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Last change
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Author Date Id Revision
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| 1 | #ifndef _IGMP_H
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| 2 | #define _IGMP_H
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| 3 |
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| 4 | #define IGMP_QUERY 0x11
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| 5 | #define IGMPv1_REPORT 0x12
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| 6 | #define IGMPv2_REPORT 0x16
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| 7 | #define IGMP_LEAVE 0x17
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| 8 | #define GROUP_ALL_HOSTS 0xe0000001 /* 224.0.0.1 Host byte order */
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| 9 |
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| 10 | struct igmp {
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| 11 | uint8_t type;
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| 12 | uint8_t response_time;
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| 13 | uint16_t chksum;
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| 14 | in_addr group;
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| 15 | } PACKED;
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| 16 |
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| 17 | struct igmp_ip_t { /* Format of an igmp ip packet */
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| 18 | struct iphdr ip;
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| 19 | uint8_t router_alert[4]; /* Router alert option */
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| 20 | struct igmp igmp;
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| 21 | } PACKED;
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| 22 |
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| 23 | #endif /* _IGMP_H */
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