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-rwxr-xr-xhicn-plugin/src/strategy_dpo_ctx.h69
1 files changed, 69 insertions, 0 deletions
diff --git a/hicn-plugin/src/strategy_dpo_ctx.h b/hicn-plugin/src/strategy_dpo_ctx.h
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+++ b/hicn-plugin/src/strategy_dpo_ctx.h
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+/*
+ * Copyright (c) 2017-2019 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 __HICN_STRATEGY_DPO_CTX_H__
+#define __HICN_STRATEGY_DPO_CTX_H__
+
+#include <vnet/dpo/dpo.h>
+#include <vnet/fib/fib_table.h>
+
+#include "hicn.h"
+#include "params.h"
+#include "faces/face.h"
+
+#define HICN_FIB_TABLE 0
+
+#define DATA_LEN 8
+
+#define NEXT_HOP_INVALID DPO_INVALID
+
+/*
+ * An hicn dpo is a list of next hops (face + weight).
+ */
+typedef struct __attribute__ ((packed)) hicn_dpo_ctx_s
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+ /* 8B*5 = 40B */
+ dpo_id_t next_hops[HICN_PARAM_FIB_ENTRY_NHOPS_MAX];
+ /* 40B + 4B = 44B */
+ u32 locks;
+ /* 44B + 1B = 45B */
+ u8 entry_count;
+ /* 45B + 1B = 46B */
+ /* Number of TFIB entries (stored at the end of the next_hops array */
+ u8 tfib_entry_count;
+
+ /* 46B + 2B = 48B */
+ u16 padding; /* To align to 8B */
+
+#ifdef HICN_MAPME_NOTIFICATIONS
+ /* (8B) last acked update for IU/IN heuristic on producer */
+ f64 last_iu_ack;
+#endif
+ /* (4B) last sequence number */
+ seq_t seq;
+
+} hicn_dpo_ctx_t;
+
+STATIC_ASSERT (sizeof (hicn_dpo_ctx_t) <= CLIB_CACHE_LINE_BYTES,
+ "sizeof hicn_dpo_ctx_t is greater than 64B");
+
+#endif /* // __HICN_STRATEGY_DPO_CTX_H__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables: eval: (c-set-style "gnu") End:
+ */