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/*
// Copyright (c) 2019 Intel Corporation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
*/
#ifndef _IGMP_H_
#define _IGMP_H_
#define IGMP_MEMBERSHIP_QUERY 0x11
#define IGMP_MEMBERSHIP_REPORT_V1 0x12
#define IGMP_MEMBERSHIP_REPORT 0x16
#define IGMP_LEAVE_GROUP 0x17
struct igmpv1_hdr {
uint8_t type: 4; /* type */
uint8_t version: 4; /* version */
uint8_t unused; /* unused */
uint16_t checksum; /* checksum */
uint32_t group_address; /* group address */
} __attribute__((__packed__));
struct igmpv2_hdr {
uint8_t type; /* type */
uint8_t max_resp_time; /* maximum response time */
uint16_t checksum; /* checksum */
uint32_t group_address; /* group address */
} __attribute__((__packed__));
struct igmpv3_hdr {
uint8_t type; /* type */
uint8_t max_resp_time; /* maximum response time */
uint16_t checksum; /* checksum */
uint32_t group_address; /* group address */
uint8_t bits: 4; /* S(suppress router-side processing)QRV(Querier.s Robustness Variable) bits */
uint8_t reserved: 4; /* reserved */
uint8_t QQIC; /* Querier.s Query Interval Code */
uint16_t n_src; /* Number of source addresses */
} __attribute__((__packed__));
struct task_base;
// igmp_join and leave functions are so far implemented within handle_swap.
// Only swap task can use them right now, as they use igmp_pool
// only defined in swap task.
void igmp_join_group(struct task_base *tbase, uint32_t igmp_address);
void igmp_leave_group(struct task_base *tbase);
#endif /* _IGMP_H_ */
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