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+/*
+ * Copyright (c) 2015 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 __included_oam_h__
+#define __included_oam_h__
+
+#include <vlib/vlib.h>
+#include <vnet/vnet.h>
+#include <vnet/ip/ip.h>
+#include <vnet/interface.h>
+
+/* 36 octets, make a note of it... */
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ ip4_header_t ip4;
+ icmp46_header_t icmp;
+ u16 id;
+ u16 seq;
+ u8 data[8];
+}) oam_template_t;
+/* *INDENT-ON* */
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct {
+ u64 v8[4];
+ u32 v4;
+}) oam_template_copy_t;
+/* *INDENT-ON* */
+
+typedef enum
+{
+ OAM_STATE_UNKNOWN = 0,
+ OAM_STATE_ALIVE,
+ OAM_STATE_DEAD,
+} oam_state_t;
+
+typedef struct
+{
+ ip4_address_t src_address;
+ ip4_address_t dst_address;
+ u32 fib_id;
+ u32 fib_index;
+ f64 last_heard_time;
+ u16 seq;
+ u16 last_heard_seq;
+ u16 id;
+ u8 state;
+ oam_template_t *template;
+} oam_target_t;
+
+typedef struct
+{
+ /* OAM targets */
+ oam_target_t *targets;
+ uword *target_by_address_and_fib_id;
+
+ /* Config parameters */
+ f64 interval;
+ u32 misses_allowed;
+
+ /* random number seed */
+ u32 random_seed;
+ u16 icmp_id;
+
+ /* oam packet template */
+ vlib_packet_template_t packet_template;
+
+ /* convenience */
+ vlib_main_t *vlib_main;
+ vnet_main_t *vnet_main;
+} oam_main_t;
+
+int vpe_oam_add_del_target (ip4_address_t * src_address,
+ ip4_address_t * dst_address,
+ u32 fib_id, int is_add);
+
+#endif /* __included_oam_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */