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authorNeale Ranns <nranns@cisco.com>2018-06-07 23:48:20 -0700
committerFlorin Coras <florin.coras@gmail.com>2018-07-09 21:10:53 +0000
commit947ea6222dad1ef04595c34273e9231395aef443 (patch)
tree8990854b2901ff8cc2241b9abfc99b0b4b54d517 /src/plugins/igmp/igmp_src.h
parentdd47ecadcf63772a6037a1bb3715772d80e87f51 (diff)
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>
Diffstat (limited to 'src/plugins/igmp/igmp_src.h')
-rw-r--r--src/plugins/igmp/igmp_src.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/src/plugins/igmp/igmp_src.h b/src/plugins/igmp/igmp_src.h
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+++ b/src/plugins/igmp/igmp_src.h
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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_SOURCE_H__
+#define __IGMP_SOURCE_H__
+
+#include <igmp/igmp_types.h>
+
+/**
+ * IGMP Source timers
+ */
+typedef enum igmp_src_timer_t_
+{
+ /**
+ * On expiry the source has not been refreshed by a query
+ * and can now be reaped
+ */
+ IGMP_SRC_TIMER_EXP,
+} igmp_src_timer_t;
+
+#define IGMP_SRC_N_TIMERS (IGMP_SRC_TIMER_EXP + 1)
+
+/**
+ * @brief IGMP source
+ * The representation of a specified source address with in multicast group.
+ */
+typedef struct igmp_src_t_
+{
+ /**
+ * The source's key
+ */
+ igmp_key_t *key;
+
+ /**
+ * The liveness timer. Reset with each recieved report. on expiry
+ * the source is removed from the group.
+ */
+ u32 exp_timer;
+
+ /**
+ * The group this source is on
+ */
+ u32 group;
+
+ /**
+ * the mode that provided this source
+ */
+ igmp_mode_t mode;
+
+ /**
+ * Timers
+ */
+ u32 timers[IGMP_SRC_N_TIMERS];
+} igmp_src_t;
+
+extern void igmp_src_free (igmp_src_t * src);
+
+extern igmp_src_t *igmp_src_alloc (u32 group_index,
+ const igmp_key_t * skey, igmp_mode_t mode);
+
+extern u32 igmp_src_index (igmp_src_t * src);
+
+extern void igmp_src_refresh (igmp_src_t * src);
+extern void igmp_src_blocked (igmp_src_t * src);
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */