BadVPN – Blame information for rev 1
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| 1 | office | 1 | /** |
| 2 | * @file igmp_proto.h |
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| 3 | * @author Ambroz Bizjak <ambrop7@gmail.com> |
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| 4 | * |
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| 5 | * @section LICENSE |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions are met: |
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| 9 | * 1. Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * 3. Neither the name of the author nor the |
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| 15 | * names of its contributors may be used to endorse or promote products |
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| 16 | * derived from this software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
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| 19 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 20 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 21 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
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| 22 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 24 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 25 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 27 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 28 | * |
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| 29 | * @section DESCRIPTION |
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| 30 | * |
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| 31 | * Definitions for the IGMP protocol. |
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| 32 | */ |
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| 33 | |||
| 34 | #ifndef BADVPN_MISC_IGMP_PROTO_H |
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| 35 | #define BADVPN_MISC_IGMP_PROTO_H |
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| 36 | |||
| 37 | #include <stdint.h> |
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| 38 | |||
| 39 | #include <misc/packed.h> |
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| 40 | |||
| 41 | #define IGMP_TYPE_MEMBERSHIP_QUERY 0x11 |
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| 42 | #define IGMP_TYPE_V1_MEMBERSHIP_REPORT 0x12 |
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| 43 | #define IGMP_TYPE_V2_MEMBERSHIP_REPORT 0x16 |
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| 44 | #define IGMP_TYPE_V3_MEMBERSHIP_REPORT 0x22 |
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| 45 | #define IGMP_TYPE_V2_LEAVE_GROUP 0x17 |
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| 46 | |||
| 47 | #define IGMP_RECORD_TYPE_MODE_IS_INCLUDE 1 |
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| 48 | #define IGMP_RECORD_TYPE_MODE_IS_EXCLUDE 2 |
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| 49 | #define IGMP_RECORD_TYPE_CHANGE_TO_INCLUDE_MODE 3 |
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| 50 | #define IGMP_RECORD_TYPE_CHANGE_TO_EXCLUDE_MODE 4 |
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| 51 | |||
| 52 | B_START_PACKED |
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| 53 | struct igmp_source { |
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| 54 | uint32_t addr; |
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| 55 | } B_PACKED; |
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| 56 | B_END_PACKED |
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| 57 | |||
| 58 | B_START_PACKED |
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| 59 | struct igmp_base { |
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| 60 | uint8_t type; |
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| 61 | uint8_t max_resp_code; |
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| 62 | uint16_t checksum; |
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| 63 | } B_PACKED; |
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| 64 | B_END_PACKED |
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| 65 | |||
| 66 | B_START_PACKED |
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| 67 | struct igmp_v3_query_extra { |
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| 68 | uint32_t group; |
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| 69 | uint8_t reserved4_suppress1_qrv3; |
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| 70 | uint8_t qqic; |
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| 71 | uint16_t number_of_sources; |
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| 72 | } B_PACKED; |
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| 73 | B_END_PACKED |
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| 74 | |||
| 75 | B_START_PACKED |
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| 76 | struct igmp_v3_report_extra { |
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| 77 | uint16_t reserved; |
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| 78 | uint16_t number_of_group_records; |
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| 79 | } B_PACKED; |
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| 80 | B_END_PACKED |
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| 81 | |||
| 82 | B_START_PACKED |
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| 83 | struct igmp_v3_report_record { |
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| 84 | uint8_t type; |
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| 85 | uint8_t aux_data_len; |
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| 86 | uint16_t number_of_sources; |
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| 87 | uint32_t group; |
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| 88 | } B_PACKED; |
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| 89 | B_END_PACKED |
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| 90 | |||
| 91 | B_START_PACKED |
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| 92 | struct igmp_v2_extra { |
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| 93 | uint32_t group; |
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| 94 | } B_PACKED; |
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| 95 | B_END_PACKED |
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| 96 | |||
| 97 | #endif |