Florin Coras
288eaab596
Rename core data structures. This will break compatibility for out of tree builtin apps. - stream_session_t to session_t - server_rx/tx_fifo to rx/tx_fifo - stream_session.h to session_types.h - update copyright Change-Id: I414097c6e28bcbea866fbf13b8773c7db3f49325 Signed-off-by: Florin Coras <fcoras@cisco.com>
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*
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* Copyright (c) 2017-2019 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SRC_VNET_SESSION_SESSION_TABLE_H_
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#define SRC_VNET_SESSION_SESSION_TABLE_H_
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#include <vppinfra/bihash_16_8.h>
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#include <vppinfra/bihash_48_8.h>
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#include <vnet/session/session_rules_table.h>
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typedef struct _session_lookup_table
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{
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/**
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* Lookup tables for established sessions and listeners
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*/
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clib_bihash_16_8_t v4_session_hash;
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clib_bihash_48_8_t v6_session_hash;
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/**
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* Lookup tables for half-open sessions
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*/
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clib_bihash_16_8_t v4_half_open_hash;
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clib_bihash_48_8_t v6_half_open_hash;
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/**
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* Per fib proto and transport proto session rules tables
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*/
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session_rules_table_t session_rules[TRANSPORT_N_PROTO];
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/** Flag that indicates if table has local scope */
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u8 is_local;
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/** Namespace this table belongs to */
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u32 appns_index;
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/** For global tables only one fib proto is active. This is a
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* byproduct of fib table ids not necessarily being the same for
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* identical fib idices of v4 and v6 fib protos */
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u8 active_fib_proto;
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/* Required for pool_get_aligned(...) */
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CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
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} session_table_t;
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#define SESSION_TABLE_INVALID_INDEX ((u32)~0)
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#define SESSION_LOCAL_TABLE_PREFIX ((u32)~0)
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#define SESSION_INVALID_INDEX ((u32)~0)
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#define SESSION_INVALID_HANDLE ((u64)~0)
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#define SESSION_DROP_HANDLE (((u64)~0) - 1)
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typedef int (*ip4_session_table_walk_fn_t) (clib_bihash_kv_16_8_t * kvp,
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void *ctx);
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void ip4_session_table_walk_cb (clib_bihash_kv_16_8_t * kvp, void *arg);
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void ip4_session_table_walk (clib_bihash_16_8_t * hash,
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ip4_session_table_walk_fn_t fn, void *arg);
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session_table_t *session_table_alloc (void);
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session_table_t *session_table_get (u32 table_index);
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u32 session_table_index (session_table_t * slt);
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void session_table_init (session_table_t * slt, u8 fib_proto);
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/* Internal, try not to use it! */
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session_table_t *_get_session_tables ();
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#define session_table_foreach(VAR, BODY) \
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pool_foreach(VAR, _get_session_tables (), BODY)
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#endif /* SRC_VNET_SESSION_SESSION_TABLE_H_ */
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/* *INDENT-ON* */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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