5d5f85f5e4
REPLY_MSG_ID_BASE is the standard way to define reply message id base, so this refactor makes all the files use that. This is a preparation patch for future safety add-ons which rely on REPLY_MACRO* parameters to be preprocessor tokens identifying the message instead, Type: refactor Signed-off-by: Klement Sekera <ksekera@cisco.com> Change-Id: Ibe3e056a3d9326d08af45bbcb25588b11e870141
165 lines
3.9 KiB
C
165 lines
3.9 KiB
C
/*
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*------------------------------------------------------------------
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* Copyright (c) 2017 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*------------------------------------------------------------------
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*/
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#ifndef _IGMP_H_
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#define _IGMP_H_
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#include <vlib/vlib.h>
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#include <vnet/ip/ip.h>
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#define REPLY_MSG_ID_BASE (igmp_main.msg_id_base)
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#include <vlibapi/api_helper_macros.h>
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#include <vnet/ip/igmp_packet.h>
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#include <vnet/adj/adj_mcast.h>
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#include <igmp/igmp_types.h>
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#include <igmp/igmp_format.h>
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#include <igmp/igmp_timer.h>
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#include <igmp/igmp_group.h>
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#include <igmp/igmp_config.h>
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#include <igmp/igmp_proxy.h>
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/**
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* RFC 3376 Section 8.1
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*/
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#define IGMP_DEFAULT_ROBUSTNESS_VARIABLE (2)
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#define IGMP_DBG(...) \
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vlib_log_debug (igmp_main.logger, __VA_ARGS__);
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/**
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* General Query address - 224.0.0.1
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* Membership Report address - 224.0.0.22
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* SSM default range 232/8
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*/
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#if CLIB_ARCH_IS_BIG_ENDIAN
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#define IGMP_GENERAL_QUERY_ADDRESS (0xE0000001)
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#define IGMP_MEMBERSHIP_REPORT_ADDRESS (0xE0000016)
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#define IGMP_SSM_DEFAULT (0xE8000000)
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#else
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#define IGMP_GENERAL_QUERY_ADDRESS (0x010000E0)
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#define IGMP_MEMBERSHIP_REPORT_ADDRESS (0x160000E0)
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#define IGMP_SSM_DEFAULT (0x000000E8)
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#endif
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/** helper macro to get igmp membership group from pointer plus offset */
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#define group_ptr(p, l) ((igmp_membership_group_v3_t *)((u8*)(p) + (l)))
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#define group_cptr(p, l) ((const igmp_membership_group_v3_t *)((u8*)(p) + (l)))
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/**
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* collection of data related to IGMP
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*/
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typedef struct igmp_main_t_
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{
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/**
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* API base message ID
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*/
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u16 msg_id_base;
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uword *igmp_api_client_by_client_index;
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/**
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* API client registered for events
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*/
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vpe_client_registration_t *api_clients;
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/**
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* per-interface DB of configs
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*/
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u32 *igmp_config_by_sw_if_index;
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/**
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* the number of igmp configs for each mfib_index (VRF)
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*/
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u32 *n_configs_per_mfib_index;
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/**
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* logger - VLIB log class
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*/
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vlib_log_class_t logger;
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/**
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* pool of configs
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*/
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igmp_config_t *configs;
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/**
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* pool of groups
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*/
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igmp_group_t *groups;
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/**
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* pool of sources
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*/
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igmp_src_t *srcs;
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/**
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* per-vrf DB of proxy devices
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*/
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u32 *igmp_proxy_device_by_vrf_id;
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/**
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* pool of proxy devices
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*/
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igmp_proxy_device_t *proxy_devices;
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} igmp_main_t;
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extern igmp_main_t igmp_main;
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/**
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* @brief IGMP interface enable/disable
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* @param sw_if_index - Interface
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* @param enable - enable/disable
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* @param mode - Host or router
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*/
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int igmp_enable_disable (u32 sw_if_index, u8 enable, igmp_mode_t mode);
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/**
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* @brief igmp listen
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* Called by a host to request reception of multicast packets
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* @param vm - vlib main
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* @param filter - Filter mode
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* @param sw_if_index - interface sw_if_index
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* @param saddr - source address
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* @param gaddr - group address
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*
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* Add/del (S,G) on an interface.
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* send a status change report from the interface.
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*/
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int igmp_listen (vlib_main_t * vm,
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igmp_filter_mode_t filter,
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u32 sw_if_index,
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const ip46_address_t * saddr, const ip46_address_t * gaddr);
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/**
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* @brief Send an IGMP event to listening parties
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* @param filter mode
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* @param sw_if_index
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* @param saddr
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* @param gaddr
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*/
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void igmp_event (igmp_filter_mode_t filter,
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u32 sw_if_index,
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const ip46_address_t * saddr, const ip46_address_t * gaddr);
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#endif /* _IGMP_H_ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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