[270] | 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2009 by Dep. of Computer Science and Engineering
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| 5 | * Tomakomai National College of Technology, JAPAN
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| 6 | * Copyright (C) 2014 Cores Co., Ltd. Japan
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| 7 | *
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| 8 | * ä¸è¨èä½æ¨©è
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| 9 | ã¯ï¼ä»¥ä¸ã®(1)ï½(4)ã®æ¡ä»¶ãæºããå ´åã«éãï¼æ¬ã½ããã¦ã§
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| 10 | * ã¢ï¼æ¬ã½ããã¦ã§ã¢ãæ¹å¤ãããã®ãå«ãï¼ä»¥ä¸åãï¼ã使ç¨ã»è¤è£½ã»æ¹
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| 11 | * å¤ã»åé
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| 12 | å¸ï¼ä»¥ä¸ï¼å©ç¨ã¨å¼ã¶ï¼ãããã¨ãç¡åã§è¨±è«¾ããï¼
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| 13 | * (1) æ¬ã½ããã¦ã§ã¢ãã½ã¼ã¹ã³ã¼ãã®å½¢ã§å©ç¨ããå ´åã«ã¯ï¼ä¸è¨ã®èä½
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| 14 | * 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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| 15 | * ã¹ã³ã¼ãä¸ã«å«ã¾ãã¦ãããã¨ï¼
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| 16 | * (2) æ¬ã½ããã¦ã§ã¢ãï¼ã©ã¤ãã©ãªå½¢å¼ãªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 17 | * ç¨ã§ããå½¢ã§åé
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| 18 | å¸ããå ´åã«ã¯ï¼åé
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| 19 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨
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| 20 | * è
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| 21 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®èä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨
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| 22 | * ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 23 | * (3) æ¬ã½ããã¦ã§ã¢ãï¼æ©å¨ã«çµã¿è¾¼ããªã©ï¼ä»ã®ã½ããã¦ã§ã¢éçºã«ä½¿
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| 24 | * ç¨ã§ããªãå½¢ã§åé
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| 25 | å¸ããå ´åã«ã¯ï¼æ¬¡ã®ããããã®æ¡ä»¶ãæºããã
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| 26 | * ã¨ï¼
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| 27 | * (a) åé
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| 28 | å¸ã«ä¼´ãããã¥ã¡ã³ãï¼å©ç¨è
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| 29 | ããã¥ã¢ã«ãªã©ï¼ã«ï¼ä¸è¨ã®è
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| 30 | * ä½æ¨©è¡¨ç¤ºï¼ãã®å©ç¨æ¡ä»¶ããã³ä¸è¨ã®ç¡ä¿è¨¼è¦å®ãæ²è¼ãããã¨ï¼
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| 31 | * (b) åé
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| 32 | å¸ã®å½¢æ
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| 33 | ãï¼å¥ã«å®ããæ¹æ³ã«ãã£ã¦ï¼TOPPERSããã¸ã§ã¯ãã«
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| 34 | * å ±åãããã¨ï¼
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| 35 | * (4) æ¬ã½ããã¦ã§ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ
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| 36 | * 害ãããï¼ä¸è¨èä½æ¨©è
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| 37 | ããã³TOPPERSããã¸ã§ã¯ããå
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| 38 | 責ãããã¨ï¼
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| 39 | * ã¾ãï¼æ¬ã½ããã¦ã§ã¢ã®ã¦ã¼ã¶ã¾ãã¯ã¨ã³ãã¦ã¼ã¶ããã®ãããªãç
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| 40 | * ç±ã«åºã¥ãè«æ±ãããï¼ä¸è¨èä½æ¨©è
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| 41 | ããã³TOPPERSããã¸ã§ã¯ãã
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| 42 | * å
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| 43 | 責ãããã¨ï¼
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| 44 | *
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| 45 | * æ¬ã½ããã¦ã§ã¢ã¯ï¼ç¡ä¿è¨¼ã§æä¾ããã¦ãããã®ã§ããï¼ä¸è¨èä½æ¨©è
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| 46 | ã
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| 47 | * ãã³TOPPERSããã¸ã§ã¯ãã¯ï¼æ¬ã½ããã¦ã§ã¢ã«é¢ãã¦ï¼ç¹å®ã®ä½¿ç¨ç®ç
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| 48 | * ã«å¯¾ããé©åæ§ãå«ãã¦ï¼ãããªãä¿è¨¼ãè¡ããªãï¼ã¾ãï¼æ¬ã½ããã¦ã§
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| 49 | * ã¢ã®å©ç¨ã«ããç´æ¥çã¾ãã¯éæ¥çã«çãããããªãæ害ã«é¢ãã¦ãï¼ã
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| 50 | * ã®è²¬ä»»ãè² ããªãï¼
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| 51 | *
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| 52 | * @(#) $Id: if_mbed.c 270 2017-02-09 04:03:47Z coas-nagasima $
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| 53 | */
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| 54 |
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| 55 | /*
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| 56 | * Copyright (c) 1995, David Greenman
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| 57 | * All rights reserved.
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| 58 | *
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| 59 | * Redistribution and use in source and binary forms, with or without
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| 60 | * modification, are permitted provided that the following conditions
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| 61 | * are met:
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| 62 | * 1. Redistributions of source code must retain the above copyright
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| 63 | * notice unmodified, this list of conditions, and the following
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| 64 | * disclaimer.
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| 65 | * 2. Redistributions in binary form must reproduce the above copyright
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| 66 | * notice, this list of conditions and the following disclaimer in the
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| 67 | * documentation and/or other materials provided with the distribution.
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| 68 | *
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| 69 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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| 70 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 71 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 72 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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| 73 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 74 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 75 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 76 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 77 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 78 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 79 | * SUCH DAMAGE.
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| 80 | *
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| 81 | * $FreeBSD: src/sys/i386/isa/if_mbed.c,v 1.148.2.4 1999/09/25 13:08:18 nyan Exp $
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| 82 | */
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| 83 |
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| 84 | #define CAST(type, val) ((type)(val))
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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 <t_syslog.h>
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| 89 | #include "kernel_cfg.h"
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| 90 | #include "kernel/kernel_impl.h"
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| 91 |
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| 92 | #include <tinet_defs.h>
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| 93 | #include <tinet_config.h>
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| 94 |
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| 95 | #include <net/if.h>
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| 96 | #include <net/ethernet.h>
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| 97 | #include <net/if_arp.h>
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| 98 | #include <net/net.h>
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| 99 | #include <net/net_timer.h>
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| 100 | #include <net/net_count.h>
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| 101 | #include <net/net_buf.h>
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| 102 | #include <net/ethernet.h>
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| 103 |
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| 104 | #include "mbed_interface.h"
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| 105 | #include "ethernet_api.h"
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| 106 | #include "ethernetext_api.h"
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| 107 | #include <string.h>
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| 108 | #include "if_mbed.h"
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| 109 | #include "iodefine.h"
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| 110 |
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| 111 | #ifdef _MSC_VER
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| 112 | #include <stdlib.h>
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| 113 | #endif
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| 114 |
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| 115 | extern uint8_t mac_addr[ETHER_ADDR_LEN];
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| 116 |
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| 117 | /*
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| 118 | * ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã«ä¾åããã½ããã¦ã§ã¢æ
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| 119 | å ±
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| 120 | */
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| 121 |
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| 122 | typedef struct t_mbed_softc {
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| 123 | bool_t link_pre;
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| 124 | bool_t link_now;
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| 125 | bool_t over_flow;
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| 126 | } T_MBED_SOFTC;
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| 127 |
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| 128 | /*
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| 129 | * ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®ã½ããã¦ã§ã¢æ
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| 130 | å ±
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| 131 | */
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| 132 |
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| 133 | /* ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã«ä¾åããã½ããã¦ã§ã¢æ
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| 134 | å ± */
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| 135 |
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| 136 | static T_MBED_SOFTC mbed_softc;
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| 137 |
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| 138 | /* ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã«ä¾åããªãã½ããã¦ã§ã¢æ
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| 139 | å ± */
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| 140 |
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| 141 | T_IF_SOFTC if_softc = {
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| 142 | {0,}, /* ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®ã¢ãã¬ã¹ */
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| 143 | 0, /* éä¿¡ã¿ã¤ã ã¢ã¦ã */
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| 144 | &mbed_softc, /* ãã£ãã¤ã¹ä¾åã®ã½ããã¦ã§ã¢æ
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| 145 | å ± */
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| 146 | SEM_IF_MBED_SBUF_READY, /* éä¿¡ã»ããã© */
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| 147 | SEM_IF_MBED_RBUF_READY, /* åä¿¡ã»ããã© */
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| 148 |
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| 149 | #ifdef SUPPORT_INET6
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| 150 |
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| 151 | IF_MADDR_INIT, /* ãã«ããã£ã¹ãã¢ãã¬ã¹ãªã¹ã */
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| 152 |
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| 153 | #endif /* of #ifdef SUPPORT_INET6 */
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| 154 | };
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| 155 |
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| 156 | /*
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| 157 | * å±æå¤æ°
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| 158 | */
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| 159 |
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| 160 | static void if_mbed_stop(T_MBED_SOFTC *sc);
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| 161 | static void if_mbed_init_sub(T_IF_SOFTC *ic);
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| 162 |
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| 163 | #ifdef SUPPORT_INET6
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| 164 |
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| 165 | static uint32_t ds_crc(uint8_t *addr);
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| 166 | static void ds_getmcaf(T_IF_SOFTC *ic, uint32_t *mcaf);
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| 167 |
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| 168 | /*
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| 169 | * ds_crc -- ã¤ã¼ãµãããã¢ãã¬ã¹ã® CRC ãè¨ç®ããã
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| 170 | */
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| 171 |
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| 172 | #define POLYNOMIAL 0x04c11db6
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| 173 |
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| 174 | static uint32_t
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| 175 | ds_crc(uint8_t *addr)
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| 176 | {
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| 177 | uint32_t crc = ULONG_C(0xffffffff);
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| 178 | int_t carry, len, bit;
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| 179 | uint8_t byte;
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| 180 |
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| 181 | for (len = ETHER_ADDR_LEN; len-- > 0; ) {
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| 182 | byte = *addr++;
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| 183 | for (bit = 8; bit-- > 0; ) {
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| 184 | carry = ((crc & ULONG_C(0x80000000)) ? 1 : 0) ^ (byte & UINT_C(0x01));
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| 185 | crc <<= 1;
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| 186 | byte >>= 1;
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| 187 | if (carry)
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| 188 | crc = (crc ^ POLYNOMIAL) | carry;
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| 189 | }
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| 190 | }
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| 191 | return crc;
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| 192 | }
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| 193 |
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| 194 | #undef POLYNOMIAL
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| 195 |
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| 196 | /*
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| 197 | * ds_getmcaf -- ãã«ããã£ã¹ãã¢ãã¬ã¹ã®ãªã¹ããããã«ããã£ã¹ãã¢ãã¬ã¹
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| 198 | * ãã£ã«ã¿ãè¨ç®ããã
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| 199 | */
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| 200 |
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| 201 | static void
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| 202 | ds_getmcaf(T_IF_SOFTC *ic, uint32_t *mcaf)
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| 203 | {
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| 204 | uint32_t count, index;
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| 205 | uint8_t *af = (uint8_t*)mcaf;
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| 206 |
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| 207 | mcaf[0] = mcaf[1] = 0;
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| 208 |
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| 209 | for (count = MAX_IF_MADDR_CNT; count-- > 0; ) {
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| 210 | index = ds_crc(ic->maddrs[count].lladdr) >> 26;
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| 211 | af[index >> 3] |= 1 << (index & 7);
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| 212 | }
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| 213 | }
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| 214 |
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| 215 | /*
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| 216 | * mbed_setrcr -- åä¿¡æ§æã¬ã¸ã¹ã¿ (RCR) ãè¨å®ããã
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| 217 | */
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| 218 |
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| 219 | static void
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| 220 | if_mbed_setrcr(T_IF_SOFTC *ic)
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| 221 | {
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| 222 | T_MBED_SOFTC *sc = ic->sc;
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| 223 | }
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| 224 |
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| 225 | /*
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| 226 | * mbed_addmulti -- ãã«ããã£ã¹ãã¢ãã¬ã¹ã追å ããã
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| 227 | */
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| 228 |
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| 229 | ER
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| 230 | if_mbed_addmulti(T_IF_SOFTC *ic)
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| 231 | {
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| 232 | mbed_setrcr(ic);
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| 233 | return E_OK;
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| 234 | }
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| 235 |
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| 236 | #endif /* of #ifdef SUPPORT_INET6 */
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| 237 |
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| 238 | /*
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| 239 | * mbed_stop -- ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ãåæ¢ããã
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| 240 | *
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| 241 | * 注æ: NIC å²ãè¾¼ã¿ç¦æ¢ç¶æ
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| 242 | ã§å¼ã³åºããã¨ã
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| 243 | */
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| 244 |
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| 245 | static void
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| 246 | if_mbed_stop(T_MBED_SOFTC *sc)
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| 247 | {
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| 248 | ethernetext_start_stop(0);
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| 249 | }
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| 250 |
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| 251 | static void rza1_recv_callback(void)
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| 252 | {
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| 253 | sig_sem(if_softc.semid_rxb_ready);
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| 254 | }
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| 255 |
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| 256 | #define EDMAC_EESIPR_INI_TRANS (0xF4380000)
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| 257 | #define EDMAC_EESIPR_INI_RECV (0x0205001F) /* 0x02000000 : Detect reception suspended */
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| 258 | /* 0x00040000 : Detect frame reception */
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| 259 | /* 0x00010000 : Receive FIFO overflow */
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| 260 | /* 0x00000010 : Residual bit frame reception */
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| 261 | /* 0x00000008 : Long frame reception */
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| 262 | /* 0x00000004 : Short frame reception */
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| 263 | /* 0x00000002 : PHY-LSI reception error */
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| 264 | /* 0x00000001 : Receive frame CRC error */
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| 265 | #define EDMAC_EESIPR_INI_EtherC (0x00400000) /* 0x00400000 : E-MAC status register */
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| 266 |
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| 267 | static void
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| 268 | if_mbed_init_sub(T_IF_SOFTC *ic)
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| 269 | {
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| 270 | ethernet_cfg_t ethcfg;
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| 271 |
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| 272 | /* Initialize the hardware */
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| 273 | ethcfg.int_priority = 6;
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| 274 | ethcfg.recv_cb = &rza1_recv_callback;
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| 275 | ethcfg.ether_mac = (char *)ic->ifaddr.lladdr;
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| 276 | ethernetext_init(ðcfg);
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| 277 | }
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| 278 |
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| 279 | /*
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| 280 | * mbed_reset -- ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ããªã»ããããã
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| 281 | */
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| 282 |
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| 283 | void
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| 284 | if_mbed_reset(T_IF_SOFTC *ic)
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| 285 | {
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| 286 | ethernetext_start_stop(0);
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| 287 |
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| 288 | NET_COUNT_ETHER_NIC(net_count_ether_nic[NC_ETHER_NIC_RESETS], 1);
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| 289 | if_mbed_stop(ic->sc);
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| 290 | if_mbed_init_sub(ic);
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| 291 |
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| 292 | ethernetext_start_stop(1);
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| 293 | }
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| 294 |
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| 295 | /*
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| 296 | * get_mbed_softc -- ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®ã½ããã¦ã§ã¢æ
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| 297 | å ±ãè¿ãã
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| 298 | */
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| 299 |
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| 300 | T_IF_SOFTC *
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| 301 | if_mbed_get_softc(void)
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| 302 | {
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| 303 | return &if_softc;
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| 304 | }
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| 305 |
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| 306 | /*
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| 307 | * mbed_watchdog -- ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®ã¯ããããã°ã¿ã¤ã ã¢ã¦ã
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| 308 | */
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| 309 |
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| 310 | void
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| 311 | if_mbed_watchdog(T_IF_SOFTC *ic)
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| 312 | {
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| 313 | if_mbed_reset(ic);
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| 314 | }
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| 315 |
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| 316 | /*
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| 317 | * mbed_probe -- ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®æ¤åº
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| 318 | */
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| 319 |
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| 320 | void
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| 321 | if_mbed_probe(T_IF_SOFTC *ic)
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| 322 | {
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| 323 | #if (MBED_MAC_ADDRESS_SUM != MBED_MAC_ADDR_INTERFACE)
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| 324 | netif->hwaddr[0] = MBED_MAC_ADDR_0;
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| 325 | netif->hwaddr[1] = MBED_MAC_ADDR_1;
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| 326 | netif->hwaddr[2] = MBED_MAC_ADDR_2;
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| 327 | netif->hwaddr[3] = MBED_MAC_ADDR_3;
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| 328 | netif->hwaddr[4] = MBED_MAC_ADDR_4;
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| 329 | netif->hwaddr[5] = MBED_MAC_ADDR_5;
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| 330 | #else
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| 331 | mbed_mac_address((char *)ic->ifaddr.lladdr);
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| 332 | #endif
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| 333 | }
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| 334 |
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| 335 | /*
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| 336 | * mbed_init -- ãããã¯ã¼ã¯ã¤ã³ã¿ãã§ã¼ã¹ã®åæå
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| 337 | */
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| 338 |
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| 339 | void
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| 340 | if_mbed_init(T_IF_SOFTC *ic)
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| 341 | {
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| 342 | T_MBED_SOFTC *sc = ic->sc;
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| 343 |
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| 344 | /* mbed_init æ¬ä½ãå¼ã³åºãã*/
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| 345 | if_mbed_init_sub(ic);
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| 346 |
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| 347 | act_tsk(IF_MBED_PHY_TASK);
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| 348 |
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| 349 | ethernet_set_link(-1, 0);
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| 350 |
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| 351 | ETHER.EESIPR0 |= EDMAC_EESIPR_INI_TRANS;
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| 352 | }
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| 353 |
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| 354 | void if_mbed_phy_task(intptr_t arg)
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| 355 | {
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| 356 | T_IFNET *ether = ether_get_ifnet();
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| 357 | int32_t connect_sts = 0; /* 0: disconnect, 1:connect */
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| 358 | int32_t link_sts;
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| 359 | int32_t link_mode_new = NEGO_FAIL;
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| 360 | int32_t link_mode_old = NEGO_FAIL;
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| 361 |
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| 362 | while (1) {
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| 363 | link_sts = ethernet_link();
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| 364 | if (link_sts == 1) {
|
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| 365 | link_mode_new = ethernetext_chk_link_mode();
|
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| 366 | if (link_mode_new != link_mode_old) {
|
---|
| 367 | if (connect_sts == 1) {
|
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| 368 | ether_set_link_down(ether);
|
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| 369 | }
|
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| 370 | if (link_mode_new != NEGO_FAIL) {
|
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| 371 | ethernetext_set_link_mode(link_mode_new);
|
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| 372 | ETHER.EESIPR0 |= EDMAC_EESIPR_INI_TRANS;
|
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| 373 | ether_set_link_up(ether);
|
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| 374 | connect_sts = 1;
|
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| 375 | }
|
---|
| 376 | }
|
---|
| 377 | }
|
---|
| 378 | else {
|
---|
| 379 | if (connect_sts != 0) {
|
---|
| 380 | ether_set_link_down(ether);
|
---|
| 381 | link_mode_new = NEGO_FAIL;
|
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| 382 | connect_sts = 0;
|
---|
| 383 | }
|
---|
| 384 | }
|
---|
| 385 | link_mode_old = link_mode_new;
|
---|
| 386 | dly_tsk(PHY_TASK_WAIT);
|
---|
| 387 | }
|
---|
| 388 | }
|
---|
| 389 |
|
---|
| 390 | /*
|
---|
| 391 | * mbed_read -- ãã¬ã¼ã ã®èªã¿è¾¼ã¿
|
---|
| 392 | */
|
---|
| 393 |
|
---|
| 394 | T_NET_BUF *
|
---|
| 395 | if_mbed_read(T_IF_SOFTC *ic)
|
---|
| 396 | {
|
---|
| 397 | T_MBED_SOFTC *sc = ic->sc;
|
---|
| 398 | T_NET_BUF *input = NULL;
|
---|
| 399 | uint_t align;
|
---|
| 400 | int len;
|
---|
| 401 | uint8_t *dst;
|
---|
| 402 | ER error;
|
---|
| 403 |
|
---|
| 404 | len = ethernet_receive();
|
---|
| 405 | if (len <= 0)
|
---|
| 406 | return NULL;
|
---|
| 407 |
|
---|
| 408 | align = ((((len - sizeof(T_IF_HDR)) + 3) >> 2) << 2) + sizeof(T_IF_HDR);
|
---|
| 409 | if ((error = tget_net_buf(&input, align, TMO_IF_MBED_GET_NET_BUF)) == E_OK && input != NULL) {
|
---|
| 410 | dst = input->buf + IF_ETHER_NIC_HDR_ALIGN;
|
---|
| 411 | input->len = ethernet_read((char *)dst, len);
|
---|
| 412 | }
|
---|
| 413 | else {
|
---|
| 414 | NET_COUNT_ETHER_NIC(net_count_ether_nic[NC_ETHER_NIC_IN_ERR_PACKETS], 1);
|
---|
| 415 | NET_COUNT_ETHER_NIC(net_count_ether_nic[NC_ETHER_NIC_NO_BUFS], 1);
|
---|
| 416 | }
|
---|
| 417 |
|
---|
| 418 | sig_sem(ic->semid_rxb_ready);
|
---|
| 419 |
|
---|
| 420 | return input;
|
---|
| 421 | }
|
---|
| 422 |
|
---|
| 423 | /*
|
---|
| 424 | * mbed_start -- éä¿¡ãã¬ã¼ã ããããã¡ãªã³ã°ããã
|
---|
| 425 | */
|
---|
| 426 |
|
---|
| 427 | void
|
---|
| 428 | if_mbed_start(T_IF_SOFTC *ic, T_NET_BUF *output)
|
---|
| 429 | {
|
---|
| 430 | T_MBED_SOFTC *sc = ic->sc;
|
---|
| 431 | int32_t len, res, pos;
|
---|
| 432 |
|
---|
| 433 | for (res = output->len, pos = 0; res > 0; res -= len, pos += len) {
|
---|
| 434 | len = ethernet_write((char *)output->buf + IF_ETHER_NIC_HDR_ALIGN + pos, res);
|
---|
| 435 | if (len == 0) {
|
---|
| 436 | syslog(LOG_WARNING, "ethernet_write => 0");
|
---|
| 437 | break;
|
---|
| 438 | }
|
---|
| 439 | }
|
---|
| 440 |
|
---|
| 441 | if (ethernet_send() == 0) {
|
---|
| 442 | syslog(LOG_WARNING, "ethernet_send => 0");
|
---|
| 443 | }
|
---|
| 444 | }
|
---|
| 445 |
|
---|
| 446 | /*
|
---|
| 447 | * MBED Ethernet Controler éåä¿¡å²ãè¾¼ã¿ãã³ãã©
|
---|
| 448 | */
|
---|
| 449 |
|
---|
| 450 | void
|
---|
| 451 | if_mbed_eth_handler(void)
|
---|
| 452 | {
|
---|
| 453 | uint32_t stat_edmac;
|
---|
| 454 | uint32_t stat_etherc;
|
---|
| 455 |
|
---|
| 456 | /* Clear the interrupt request flag */
|
---|
| 457 | stat_edmac = (ETHER.EESR0 & ETHER.EESIPR0); /* Targets are restricted to allowed interrupts */
|
---|
| 458 | ETHER.EESR0 = stat_edmac;
|
---|
| 459 | /* Reception-related */
|
---|
| 460 | if (stat_edmac & EDMAC_EESIPR_INI_RECV) {
|
---|
| 461 | isig_sem(if_softc.semid_rxb_ready);
|
---|
| 462 | }
|
---|
| 463 | if (stat_edmac & EDMAC_EESIPR_INI_TRANS) {
|
---|
| 464 | isig_sem(if_softc.semid_txb_ready);
|
---|
| 465 | }
|
---|
| 466 | /* E-MAC-related */
|
---|
| 467 | if (stat_edmac & EDMAC_EESIPR_INI_EtherC) {
|
---|
| 468 | /* Clear the interrupt request flag */
|
---|
| 469 | stat_etherc = (ETHER.ECSR0 & ETHER.ECSIPR0); /* Targets are restricted to allowed interrupts */
|
---|
| 470 | ETHER.ECSR0 = stat_etherc;
|
---|
| 471 | }
|
---|
| 472 | }
|
---|