From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 17 Jan 2019 13:47:57 +0100 Subject: This is the first commit of the hicn project Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f Signed-off-by: Luca Muscariello --- hicn-plugin/src/strategy_dpo_ctx.h | 69 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100755 hicn-plugin/src/strategy_dpo_ctx.h (limited to 'hicn-plugin/src/strategy_dpo_ctx.h') diff --git a/hicn-plugin/src/strategy_dpo_ctx.h b/hicn-plugin/src/strategy_dpo_ctx.h new file mode 100755 index 000000000..5d2dbc47c --- /dev/null +++ b/hicn-plugin/src/strategy_dpo_ctx.h @@ -0,0 +1,69 @@ +/* + * 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 +#include + +#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: + */ -- cgit 1.2.3-korg