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/*
*------------------------------------------------------------------
* Copyright (c) 2018 Cisco and/or its affiliates.
* 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_CONFIG_H__
#define __IGMP_CONFIG_H__
#include <igmp/igmp_types.h>
#include <igmp/igmp_timer.h>
#include <igmp/igmp_group.h>
typedef enum igmp_config_timer_type_t_
{
/**
* On expiry send a general report
*/
IGMP_CONFIG_TIMER_GENERAL_REPORT,
/**
* On expiry send a general query
*/
IGMP_CONFIG_TIMER_GENERAL_QUERY,
} igmp_config_timer_type_t;
#define IGMP_CONFIG_N_TIMERS (IGMP_CONFIG_TIMER_GENERAL_QUERY + 1)
/**
* @brief IGMP interface configuration
*/
typedef struct igmp_config_t_
{
/**
* @param sw_if_index - interface sw_if_index
*/
u32 sw_if_index;
/**
* @param adj_index - multicast adjacency index on the link
*/
adj_index_t adj_index;
/**
* @param moe - host or router
*/
igmp_mode_t mode;
/**
* Robustness variable (section 5.1)
*/
u8 robustness_var;
/**
* Database of groups joined on the link
*/
uword *igmp_group_by_key;
/**
* A vector of scheduled query-response timers
*/
igmp_timer_id_t timers[IGMP_CONFIG_N_TIMERS];
} igmp_config_t;
#define FOR_EACH_GROUP(_group, _config, _body) \
do { \
igmp_key_t *__key__; \
u32 __gid__; \
hash_foreach_mem(__key__, __gid__, _config->igmp_group_by_key, \
({ \
_group = pool_elt_at_index(igmp_main.groups, __gid__); \
do { _body; } while (0); \
})); \
} while (0);
/**
* @brief igmp clear config
* @param config - igmp configuration
*
* Clear all (S,G)s on specified config and remove this config from pool.
*/
extern void igmp_clear_config (igmp_config_t * config);
/**
* @brief igmp config lookup
* @param im - igmp main
* @param sw_if_index - interface sw_if_index
*/
extern igmp_config_t *igmp_config_lookup (u32 sw_if_index);
/**
* Get the pool index for a config
*/
extern u32 igmp_config_index (const igmp_config_t * c);
/**
* Get the config from the pool index
*/
extern igmp_config_t *igmp_config_get (u32 index);
/**
* @brief igmp group lookup
* @param config - igmp configuration
* @param key - igmp key
*/
extern igmp_group_t *igmp_group_lookup (igmp_config_t * config,
const igmp_key_t * key);
#endif
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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