IGMP improvements

- Enable/Disable an interface for IGMP
- improve logging
- refactor common code
- no orphaned timers
- IGMP state changes in main thread only
- Large groups split over multiple state-change reports
- SSM range configuration API.
- more tests

Change-Id: If5674f1044e7e97274a711f47807c9ba689d7b9a
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 78 insertions, 0 deletions

diff --git a/src/plugins/igmp/igmp_pkt.h b/src/plugins/igmp/igmp_pkt.h
new file mode 100644
index 00000000000..66fc5a7616b
--- /dev/null
+++ b/src/plugins/igmp/igmp_pkt.h
@@ -0,0 +1,78 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2017 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_PKT_H__
+#define __IGMP_PKT_H__
+
+#include <igmp/igmp.h>
+
+typedef struct igmp_pkt_build_t_
+{
+  u32 *buffers;
+  u32 sw_if_index;
+  u32 n_avail;
+  u32 n_bytes;
+} igmp_pkt_build_t;
+
+typedef struct igmp_pkt_build_report_t_
+{
+  igmp_pkt_build_t base;
+  u32 n_groups;
+  u16 n_srcs;
+} igmp_pkt_build_report_t;
+
+extern void igmp_pkt_build_report_init (igmp_pkt_build_report_t * br,
+					u32 sw_if_index);
+
+extern void igmp_pkt_report_v3_add_report (igmp_pkt_build_report_t * br,
+					   const ip46_address_t * grp,
+					   const ip46_address_t * srcs,
+					   igmp_membership_group_v3_type_t
+					   type);
+
+extern void igmp_pkt_report_v3_add_group (igmp_pkt_build_report_t * br,
+					  const igmp_group_t * group,
+					  igmp_membership_group_v3_type_t
+					  type);
+
+extern void igmp_pkt_report_v3_send (igmp_pkt_build_report_t * br);
+
+
+typedef struct igmp_pkt_build_query_t_
+{
+  igmp_pkt_build_t base;
+  u32 n_srcs;
+} igmp_pkt_build_query_t;
+
+extern void igmp_pkt_build_query_init (igmp_pkt_build_query_t * bq,
+				       u32 sw_if_index);
+
+extern void igmp_pkt_query_v3_add_group (igmp_pkt_build_query_t * bq,
+					 const igmp_group_t * group,
+					 const ip46_address_t * srcs);
+
+extern void igmp_pkt_query_v3_send (igmp_pkt_build_query_t * bq);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */