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Diffstat (limited to 'src/plugins/igmp/igmp_config.h')
-rw-r--r-- | src/plugins/igmp/igmp_config.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/plugins/igmp/igmp_config.h b/src/plugins/igmp/igmp_config.h new file mode 100644 index 00000000000..ffd3dea9b28 --- /dev/null +++ b/src/plugins/igmp/igmp_config.h @@ -0,0 +1,128 @@ +/* + *------------------------------------------------------------------ + * 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 (seciotn 5.1) + */ + u8 robustness_var; + + /** + * Database of groups joined on the link + */ + uword *igmp_group_by_key; + + /** + * A vector of scheduled query-respone 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: + */ |