src/plugins/igmp/igmp_pkt.h

   1 /*
   2  *------------------------------------------------------------------
   3  * Copyright (c) 2017 Cisco and/or its affiliates.
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *------------------------------------------------------------------
  16  */
  17
  18 #ifndef __IGMP_PKT_H__
  19 #define __IGMP_PKT_H__
  20
  21 #include <igmp/igmp.h>
  22
  23 typedef struct igmp_pkt_build_t_
  24 {
  25   u32 *buffers;
  26   u32 sw_if_index;
  27   u32 n_avail;
  28   u32 n_bytes;
  29 } igmp_pkt_build_t;
  30
  31 typedef struct igmp_pkt_build_report_t_
  32 {
  33   igmp_pkt_build_t base;
  34   u32 n_groups;
  35   u16 n_srcs;
  36 } igmp_pkt_build_report_t;
  37
  38 extern void igmp_pkt_build_report_init (igmp_pkt_build_report_t * br,
  39                                         u32 sw_if_index);
  40
  41 extern void igmp_pkt_report_v3_add_report (igmp_pkt_build_report_t * br,
  42                                            const ip46_address_t * grp,
  43                                            const ip46_address_t * srcs,
  44                                            igmp_membership_group_v3_type_t
  45                                            type);
  46
  47 extern void igmp_pkt_report_v3_add_group (igmp_pkt_build_report_t * br,
  48                                           const igmp_group_t * group,
  49                                           igmp_membership_group_v3_type_t
  50                                           type);
  51
  52 extern void igmp_pkt_report_v3_send (igmp_pkt_build_report_t * br);
  53
  54
  55 typedef struct igmp_pkt_build_query_t_
  56 {
  57   igmp_pkt_build_t base;
  58   u32 n_srcs;
  59 } igmp_pkt_build_query_t;
  60
  61 extern void igmp_pkt_build_query_init (igmp_pkt_build_query_t * bq,
  62                                        u32 sw_if_index);
  63
  64 extern void igmp_pkt_query_v3_add_group (igmp_pkt_build_query_t * bq,
  65                                          const igmp_group_t * group,
  66                                          const ip46_address_t * srcs);
  67
  68 extern void igmp_pkt_query_v3_send (igmp_pkt_build_query_t * bq);
  69
  70 #endif
  71
  72 /*
  73  * fd.io coding-style-patch-verification: ON
  74  *
  75  * Local Variables:
  76  * eval: (c-set-style "gnu")
  77  * End:
  78  */