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-rw-r--r--src/vnet/mfib/mfib_signal.h59
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diff --git a/src/vnet/mfib/mfib_signal.h b/src/vnet/mfib/mfib_signal.h
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+/*
+ * Copyright (c) 2016 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 __MFIB_SIGNAL_H__
+#define __MFIB_SIGNAL_H__
+
+#include <vlib/vlib.h>
+#include <vnet/mfib/mfib_types.h>
+#include <vnet/mfib/mfib_itf.h>
+#include <vnet/mfib/mfib_entry.h>
+
+#define MFIB_SIGNAL_BUFFER_SIZE 255
+
+/**
+ * A pair of indicies, for the entry and interface resp.
+ */
+typedef struct mfib_signal_t_
+{
+ fib_node_index_t mfs_entry;
+ index_t mfs_itf;
+
+ /**
+ * @brief A buffer copied from the DP plane that triggered the signal
+ */
+ u8 mfs_buffer[MFIB_SIGNAL_BUFFER_SIZE];
+
+ u8 mfs_buffer_len;
+} mfib_signal_t;
+
+
+extern void mfib_signal_push(const mfib_entry_t *mfe,
+ mfib_itf_t *mfi,
+ vlib_buffer_t *b0);
+extern void mfib_signal_remove_itf(const mfib_itf_t *mfi);
+
+extern void mfib_signal_module_init(void);
+
+struct _unix_shared_memory_queue;
+
+extern void vl_mfib_signal_send_one(struct _unix_shared_memory_queue *q,
+ u32 context,
+ const mfib_signal_t *mfs);
+extern int mfib_signal_send_one(struct _unix_shared_memory_queue *q,
+ u32 context);
+
+#endif
+