tor-android/external/badvpn_dns/misc/igmp_proto.h

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2015-01-25 11:08:34 +00:00
/**
* @file igmp_proto.h
* @author Ambroz Bizjak <ambrop7@gmail.com>
*
* @section LICENSE
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* @section DESCRIPTION
*
* Definitions for the IGMP protocol.
*/
#ifndef BADVPN_MISC_IGMP_PROTO_H
#define BADVPN_MISC_IGMP_PROTO_H
#include <stdint.h>
#include <misc/packed.h>
#define IGMP_TYPE_MEMBERSHIP_QUERY 0x11
#define IGMP_TYPE_V1_MEMBERSHIP_REPORT 0x12
#define IGMP_TYPE_V2_MEMBERSHIP_REPORT 0x16
#define IGMP_TYPE_V3_MEMBERSHIP_REPORT 0x22
#define IGMP_TYPE_V2_LEAVE_GROUP 0x17
#define IGMP_RECORD_TYPE_MODE_IS_INCLUDE 1
#define IGMP_RECORD_TYPE_MODE_IS_EXCLUDE 2
#define IGMP_RECORD_TYPE_CHANGE_TO_INCLUDE_MODE 3
#define IGMP_RECORD_TYPE_CHANGE_TO_EXCLUDE_MODE 4
B_START_PACKED
struct igmp_source {
uint32_t addr;
} B_PACKED;
B_END_PACKED
B_START_PACKED
struct igmp_base {
uint8_t type;
uint8_t max_resp_code;
uint16_t checksum;
} B_PACKED;
B_END_PACKED
B_START_PACKED
struct igmp_v3_query_extra {
uint32_t group;
uint8_t reserved4_suppress1_qrv3;
uint8_t qqic;
uint16_t number_of_sources;
} B_PACKED;
B_END_PACKED
B_START_PACKED
struct igmp_v3_report_extra {
uint16_t reserved;
uint16_t number_of_group_records;
} B_PACKED;
B_END_PACKED
B_START_PACKED
struct igmp_v3_report_record {
uint8_t type;
uint8_t aux_data_len;
uint16_t number_of_sources;
uint32_t group;
} B_PACKED;
B_END_PACKED
B_START_PACKED
struct igmp_v2_extra {
uint32_t group;
} B_PACKED;
B_END_PACKED
#endif