diff options
author | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-01-17 13:47:57 +0100 |
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committer | Luca Muscariello <lumuscar+fdio@cisco.com> | 2019-01-17 16:32:51 +0100 |
commit | bac3da61644515f05663789b122554dc77549286 (patch) | |
tree | 898210bc8e70371d77de7d446a26c5dd4fd1165a /hicn-plugin/src/hicn.h | |
parent | d5165246787301d0f13b646fda5e8a8567aef5ac (diff) |
This is the first commit of the hicn projectv19.01
Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
Diffstat (limited to 'hicn-plugin/src/hicn.h')
-rwxr-xr-x | hicn-plugin/src/hicn.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/hicn-plugin/src/hicn.h b/hicn-plugin/src/hicn.h new file mode 100755 index 000000000..02a3dfa52 --- /dev/null +++ b/hicn-plugin/src/hicn.h @@ -0,0 +1,86 @@ +/* + * 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_H__ +#define __HICN_H__ + +#include <hicn/hicn.h> + +#include <netinet/in.h> +#include <vnet/ip/ip.h> +#include <vnet/tcp/tcp_packet.h> +#include <vnet/ip/ip6_packet.h> +#include <vnet/ip/ip4_packet.h> +#include <vnet/buffer.h> + +/* Helper for avoiding warnings about type-punning */ +#define UNION_CAST(x, destType) \ + (((union {__typeof__(x) a; destType b;})x).b) + +/* + * Update CMakeLists.txt as we have to manually replace the type for + * vppapigen + */ +typedef u8 weight_t; + +#define ISV6(isv6, dov6, dov4) isv6 ? dov6 : dov4 +#define HICN_IS_NAMEHASH_CACHED(b) (((u64)(b->opaque2)[0] != 0) || ((u64)(b->opaque2)[1] != 0)) + +#ifndef VLIB_BUFFER_MIN_CHAIN_SEG_SIZE +#define VLIB_BUFFER_MIN_CHAIN_SEG_SIZE (128) +#endif + +/* The following is stored in the opaque2 field in the vlib_buffer_t */ +typedef struct +{ + /* hash of the name */ + u64 name_hash; + + /* ids to prefetch a PIT/CS entry */ + u32 node_id; + u32 bucket_id; + u8 hash_entry_id; + u8 hash_bucket_flags; + + u8 is_appface; /* 1 the incoming face is an + * application face, 0 otherwise */ + u8 dpo_ctx_id; /* used for data path */ + u8 vft_id; /* " */ + + dpo_id_t face_dpo_id; /* ingress face ,sizeof(iface_dpo_id) + * <= sizeof(u64) */ + + hicn_type_t type; +} hicn_buffer_t; + +STATIC_ASSERT (sizeof (hicn_buffer_t) <= + STRUCT_SIZE_OF (vlib_buffer_t, opaque2), + "hICN buffer opaque2 meta-data too large for vlib_buffer"); + + +always_inline hicn_buffer_t * +hicn_get_buffer (vlib_buffer_t * b0) +{ + return (hicn_buffer_t *) & (b0->opaque2[0]); +} + +#endif /* __HICN_H__ */ + + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: eval: (c-set-style "gnu") End: + */ |