[331] | 1 | /*
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| 2 | * TINET (TCP/IP Protocol Stack)
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| 3 | *
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| 4 | * Copyright (C) 2001-2012 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 | * ãLì ÒÍCÈºÌ (1)`(4) Ìð©CFree Software Foundation
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| 8 | * ÉæÁÄö\³êÄ¢é GNU General Public License Ì Version 2 ÉL
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| 9 | * q³êÄ¢éðð½·êÉÀèC{\tgEFAi{\tgEFA
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| 10 | * ðüϵ½àÌðÜÞDȺ¯¶jðgpE¡»EüÏEÄzziȺC
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| 11 | * pÆÄÔj·é±Æð³Åø·éD
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| 12 | * (1) {\tgEFAð\[XR[hÌ`Åp·éêÉÍCãLÌì
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| 13 | * \¦C±Ìpð¨æѺL̳ÛØKèªC»ÌÜÜÌ`Å\[
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| 14 | * XR[hÉÜÜêÄ¢é±ÆD
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| 15 | * (2) {\tgEFAðCCu`®ÈÇC¼Ì\tgEFAJÉg
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| 16 | * pÅ«é`ÅÄzz·éêÉÍCÄzzɺ¤hL
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| 17 | gip
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| 18 | * Ò}j
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| 19 | AÈÇjÉCãLÌì \¦C±Ìpð¨æѺL
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| 20 | * ̳ÛØKèðfÚ·é±ÆD
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| 21 | * (3) {\tgEFAðC@íÉgÝÞÈÇC¼Ì\tgEFAJÉg
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| 22 | * pÅ«È¢`ÅÄzz·éêÉÍCÌðð½·±ÆD
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| 23 | * (a) Äzzɺ¤hL
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| 24 | gipÒ}j
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| 25 | AÈÇjÉCãLÌ
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| 26 | * ì \¦C±Ìpð¨æѺL̳ÛØKèðfÚ·é±ÆD
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| 27 | * (4) {\tgEFAÌpÉæè¼ÚIܽÍÔÚIɶ¶é¢©Èé¹
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| 28 | * Q©çàCãLì Ò¨æÑTOPPERSvWFNgðÆÓ·é±ÆD
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| 29 | *
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| 30 | * {\tgEFAÍC³ÛØÅñ³êÄ¢éàÌÅ éDãLì Ò¨
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| 31 | * æÑTOPPERSvWFNgÍC{\tgEFAÉÖµÄC»ÌKpÂ\«à
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| 32 | * ÜßÄC¢©ÈéÛØàsíÈ¢DܽC{\tgEFAÌpÉæè¼
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| 33 | * ÚIܽÍÔÚIɶ¶½¢©Èé¹QÉÖµÄàC»ÌÓCðíÈ¢D
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| 34 | *
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| 35 | * @(#) $Id$
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| 36 | */
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| 37 |
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| 38 | #ifndef _IP_IGMP_H_
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| 39 | #define _IP_IGMP_H_
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| 40 |
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| 41 | #define NUM_IGMP_ENTRY 5 /* }`LXgO[vÌGg */
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| 42 |
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| 43 | #ifdef __CA850__
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| 44 | #pragma pack(1)
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| 45 | #elif __RX
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| 46 | #pragma pack
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| 47 | #elif _MSC_VER
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| 48 | #pragma pack(push, 1)
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| 49 | #endif
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| 50 |
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| 51 | /*
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| 52 | * IGMPv1 wb_Ìè`ARFC 1112
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| 53 | */
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| 54 |
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| 55 | typedef struct t_igmpv1_hdr
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| 56 | {
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| 57 | uint8_t type; /* bZ[WÌ^ */
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| 58 | uint8_t unused; /* ¢gp */
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| 59 | uint16_t sum; /* `FbNT */
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| 60 | T_IN4_ADDR addr; /* O[vAhX */
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| 61 | } T_IGMPV1_HDR;
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| 62 |
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| 63 | /*
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| 64 | * IGMPv2 wb_Ìè`ARFC 2236
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| 65 | */
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| 66 |
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| 67 | typedef struct t_igmpv2_hdr
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| 68 | {
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| 69 | uint8_t type; /* bZ[WÌ^ */
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| 70 | uint8_t time; /* ÅåÔ */
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| 71 | uint16_t sum; /* `FbNT */
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| 72 | T_IN4_ADDR addr; /* O[vAhX */
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| 73 | } T_IGMPV2_HDR;
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| 74 |
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| 75 | typedef struct t_igmpv3_query_hdr
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| 76 | {
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| 77 | uint8_t type; /* bZ[WÌ^ */
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| 78 | uint8_t time; /* ÅåÔ */
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| 79 | uint16_t sum; /* `FbNT */
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| 80 | T_IN4_ADDR grpaddr; /* O[vAhX */
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| 81 | uint8_t sqrv; /* StOAQuerier Robustness Value */
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| 82 | uint8_t qqic; /* Qurier's Query Interval Code */
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| 83 | uint16_t num; /* M³Ì */
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| 84 | T_IN4_ADDR sdraddr; /* M³AhX */
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| 85 | } T_IGMPV3Q_HDR;
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| 86 |
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| 87 | typedef struct t_igmp_group_record
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| 88 | {
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| 89 | uint8_t type; /* bZ[WÌ^ */
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| 90 | uint8_t len; /* âf[^· */
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| 91 | uint16_t num; /* M³Ì */
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| 92 | T_IN4_ADDR grpaddr; /* O[vAhX */
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| 93 | T_IN4_ADDR sdraddr; /* M³AhX */
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| 94 | /* âf[^ */
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| 95 | } T_IGMP_GROUP_RECORD;
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| 96 |
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| 97 | typedef struct t_igmpv3_report_hdr
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| 98 | {
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| 99 | uint8_t type; /* bZ[WÌ^ */
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| 100 | uint8_t rsv1; /* \ñ */
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| 101 | uint16_t sum; /* `FbNT */
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| 102 | uint16_t rsv2; /* \ñ */
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| 103 | uint16_t num; /* O[vR[hÌ */
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| 104 | T_IGMP_GROUP_RECORD record; /* O[vR[h */
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| 105 | } T_IGMPV3R_HDR;
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| 106 |
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| 107 | #ifdef __CA850__
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| 108 | #pragma pack(8)
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| 109 | #elif __RX
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| 110 | #pragma unpack
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| 111 | #elif _MSC_VER
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| 112 | #pragma pack(pop)
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| 113 | #endif
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| 114 |
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| 115 | #define IGMP_HDR_SIZE (sizeof(T_IGMPV1_HDR))
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| 116 | #define IP4_IGMP_HDR_SIZE (IP4_HDR_SIZE + IGMP_HDR_SIZE)
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| 117 | #define IF_IP4_IGMP_HDR_SIZE (IF_IP4_HDR_SIZE + IGMP_HDR_SIZE)
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| 118 | #define IF_IP4_IGMP_HDR_OFFSET (IF_IP4_HDR_SIZE)
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| 119 |
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| 120 | #define GET_IGMPV1_HDR(nbuf,ihoff) ((T_IGMPV1_HDR*)((uint8_t*)((nbuf)->buf) + ihoff))
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| 121 | #define GET_IGMPV2_HDR(nbuf,ihoff) ((T_IGMPV2_HDR*)((uint8_t*)((nbuf)->buf) + ihoff))
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| 122 | #define GET_IGMPV3Q_HDR(nbuf,ihoff) ((T_IGMPV3Q_HDR*)((uint8_t*)((nbuf)->buf) + ihoff))
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| 123 | #define GET_IGMPV3R_HDR(nbuf,ihoff) ((T_IGMPV3R_HDR*)((uint8_t*)((nbuf)->buf) + ihoff))
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| 124 | #define GET_IGMP_SDU(nbuf,ihoff) ((uint8_t*)((nbuf)->buf) + ihoff + IGMP_HDR_SIZE)
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| 125 |
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| 126 | /*
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| 127 | * bZ[WÌ^
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| 128 | */
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| 129 |
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| 130 | #define IGMP_MEMBERSHIP_QUERY 0x11 /* o[VbvNG[ */
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| 131 | #define IGMP_MEMBERSHIP_REPORT 0x12 /* o[Vbv|[g */
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| 132 | #define IGMP_MEMBERSHIP_REPORT_V2 0x16 /* o[Vbv|[g */
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| 133 | #define IGMP_LEAVE_GROUP 0x17 /* [uO[v */
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| 134 | #define IGMP_MEMBERSHIP_REPORT_V3 0x22 /* o[Vbv|[g */
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| 135 |
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| 136 | /*
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| 137 | * UDPÊM[_IvV
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| 138 | */
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| 139 |
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| 140 | typedef struct ip_mreq
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| 141 | {
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| 142 | T_IN4_ADDR imr_multiaddr; /* IP multicast address of group */
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| 143 | T_IN4_ADDR imr_interface; /* local IP address of interface */
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| 144 | } T_IP_MREQ;
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| 145 |
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| 146 | typedef struct ip_msfilter
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| 147 | {
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| 148 | T_IN4_ADDR imsf_multiaddr; /* IP multicast group address */
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| 149 | T_IN4_ADDR imsf_interface; /* IP address of local interface */
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| 150 | uint32_t imsf_fmode; /* Filter-mode */
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| 151 | uint32_t imsf_numsrc; /* Number of sources in the following array */
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| 152 | T_IN4_ADDR imsf_slist[1]; /* Array of source addresses */
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| 153 | } T_IP_MSFILTER;
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| 154 |
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| 155 | #define MCAST_INCLUDE 1
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| 156 | #define MCAST_EXCLUDE 2
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| 157 |
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| 158 | extern ER igmp_set_loop(T_UDP_CEP *cep, uint8_t optval);
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| 159 | extern ER igmp_get_loop(T_UDP_CEP *cep, uint8_t *optval);
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| 160 | extern ER igmp_set_ttl(T_UDP_CEP *cep, uint8_t optval);
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| 161 | extern ER igmp_get_ttl(T_UDP_CEP *cep, uint8_t *optval);
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| 162 | extern ER igmp_set_if(T_UDP_CEP *cep, T_IN4_ADDR *optval);
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| 163 | extern ER igmp_get_if(T_UDP_CEP *cep, T_IN4_ADDR *optval);
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| 164 | extern ER igmp_add_membership(T_UDP_CEP *cep, T_IP_MREQ *optval);
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| 165 | extern ER igmp_drop_membership(T_UDP_CEP *cep, T_IP_MREQ *optval);
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| 166 | extern ER igmp_set_ip_msfilter(T_UDP_CEP *cep, const T_IP_MSFILTER *optval);
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| 167 | extern ER igmp_get_ip_msfilter(T_UDP_CEP *cep, T_IP_MSFILTER *optval);
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| 168 |
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| 169 | /*
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| 170 | * IGMP O[vGg
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| 171 | */
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| 172 |
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| 173 | typedef struct igmp_entry
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| 174 | {
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| 175 | uint16_t timer; /* MÜÅÌÔ[b] */
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| 176 | uint16_t resptime; /* ÅåÔ[b] */
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| 177 | T_IN4_ADDR ip_addr; /* IP AhX */
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| 178 | } T_IGMP_ENTRY;
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| 179 |
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| 180 | extern void igmp_init(void);
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| 181 | extern bool_t igmp_is_joined_group(T_IN4_ADDR addr);
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| 182 | extern uint_t igmp_input(T_NET_BUF **inputp, uint_t *offp, uint_t *nextp);
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| 183 |
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| 184 | #endif /* of #ifndef _IP_IGMP_H_ */
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