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authorDave Barach <dave@barachs.net>2020-04-22 10:02:31 -0400
committerFlorin Coras <florin.coras@gmail.com>2020-04-22 19:58:20 +0000
commit053d0935244843199c433e92df666b4f79007727 (patch)
tree82fa449bd70f36a6d5ac75abcb3b89d8685bc868 /src/vppinfra/qhash.h
parentf932f97d7d8e55ab62aba0f18d59a9622c21efd8 (diff)
vppinfra: move unused code to extras/deprecated/vppinfra
Type: improvement Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: Id28299a188feefa1899d835fd499f018af95d81b
Diffstat (limited to 'src/vppinfra/qhash.h')
-rw-r--r--src/vppinfra/qhash.h169
1 files changed, 0 insertions, 169 deletions
diff --git a/src/vppinfra/qhash.h b/src/vppinfra/qhash.h
deleted file mode 100644
index 9dbbd971ade..00000000000
--- a/src/vppinfra/qhash.h
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * 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.
- */
-/*
- Copyright (c) 2006 Eliot Dresselhaus
-
- Permission is hereby granted, free of charge, to any person obtaining
- a copy of this software and associated documentation files (the
- "Software"), to deal in the Software without restriction, including
- without limitation the rights to use, copy, modify, merge, publish,
- distribute, sublicense, and/or sell copies of the Software, and to
- permit persons to whom the Software is furnished to do so, subject to
- the following conditions:
-
- The above copyright notice and this permission notice shall be
- included in all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
- LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
- OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
- WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-*/
-
-#ifndef included_qhash_h
-#define included_qhash_h
-
-#include <vppinfra/cache.h>
-#include <vppinfra/hash.h>
-
-/* Word hash tables. */
-typedef struct
-{
- /* Number of elements in hash. */
- u32 n_elts;
-
- u32 log2_hash_size;
-
- /* Jenkins hash seeds. */
- u32 hash_seeds[3];
-
- /* Fall back CLIB hash for overflow in fixed sized buckets. */
- uword *overflow_hash;
-
- u32 *overflow_counts, *overflow_free_indices;
-
- u8 *hash_key_valid_bitmap;
-
- uword *hash_keys;
-} qhash_t;
-
-always_inline qhash_t *
-qhash_header (void *v)
-{
- return vec_header (v, sizeof (qhash_t));
-}
-
-always_inline uword
-qhash_elts (void *v)
-{
- return v ? qhash_header (v)->n_elts : 0;
-}
-
-always_inline uword
-qhash_n_overflow (void *v)
-{
- return v ? hash_elts (qhash_header (v)->overflow_hash) : 0;
-}
-
-#define QHASH_LOG2_KEYS_PER_BUCKET 2
-#define QHASH_KEYS_PER_BUCKET (1 << QHASH_LOG2_KEYS_PER_BUCKET)
-
-always_inline uword
-qhash_hash_mix (qhash_t * h, uword key)
-{
- u32 a, b, c;
-
- a = h->hash_seeds[0];
- b = h->hash_seeds[1];
- c = h->hash_seeds[2];
-
- a ^= key;
-#if uword_bits == 64
- b ^= key >> 32;
-#endif
-
- hash_mix32 (a, b, c);
-
- return c & pow2_mask (h->log2_hash_size);
-}
-
-#define qhash_resize(v,n) (v) = _qhash_resize ((v), (n), sizeof ((v)[0]))
-
-#define qhash_foreach(var,v,body)
-
-#define qhash_set_multiple(v,keys,n,results) \
- (v) = _qhash_set_multiple ((v), sizeof ((v)[0]), (keys), (n), (results))
-
-#define qhash_unset_multiple(v,keys,n,results) \
- _qhash_unset_multiple ((v), sizeof ((v)[0]), (keys), (n), (results))
-
-#define qhash_get(v,key) \
-({ \
- uword _qhash_get_k = (key); \
- qhash_get_first_match ((v), &_qhash_get_k, 1, &_qhash_get_k); \
-})
-
-#define qhash_set(v,k) \
-({ \
- uword _qhash_set_k = (k); \
- qhash_set_multiple ((v), &_qhash_set_k, 1, &_qhash_set_k); \
- _qhash_set_k; \
-})
-
-#define qhash_unset(v,k) \
-({ \
- uword _qhash_unset_k = (k); \
- qhash_unset_multiple ((v), &_qhash_unset_k, 1, &_qhash_unset_k); \
- _qhash_unset_k; \
-})
-
-void *_qhash_resize (void *v, uword length, uword elt_bytes);
-
-/* Lookup multiple keys in the same hash table. */
-void
-qhash_get_multiple (void *v,
- uword * search_keys,
- uword n_search_keys, u32 * result_indices);
-
-/* Lookup multiple keys in the same hash table.
- Returns index of first matching key. */
-u32
-qhash_get_first_match (void *v,
- uword * search_keys,
- uword n_search_keys, uword * matching_key);
-
-/* Set/unset helper functions. */
-void *_qhash_set_multiple (void *v,
- uword elt_bytes,
- uword * search_keys,
- uword n_search_keys, u32 * result_indices);
-void
-_qhash_unset_multiple (void *v,
- uword elt_bytes,
- uword * search_keys,
- uword n_search_keys, u32 * result_indices);
-
-#endif /* included_qhash_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */