summaryrefslogtreecommitdiffstats
path: root/src/vppinfra/slist.h
diff options
context:
space:
mode:
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/slist.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/slist.h')
-rw-r--r--src/vppinfra/slist.h145
1 files changed, 0 insertions, 145 deletions
diff --git a/src/vppinfra/slist.h b/src/vppinfra/slist.h
deleted file mode 100644
index a7c77e27c96..00000000000
--- a/src/vppinfra/slist.h
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- Copyright (c) 2012 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 included_slist_h
-#define included_slist_h
-
-#include <stdarg.h>
-#include <vppinfra/clib.h>
-#include <vppinfra/vec.h>
-#include <vppinfra/pool.h>
-#include <vppinfra/error.h>
-#include <vppinfra/format.h>
-#include <vppinfra/cache.h>
-
-typedef word (clib_slist_key_compare_function_t)
- (void *key, u32 elt_pool_index);
-
-typedef enum
-{
- CLIB_SLIST_MATCH = 0,
- CLIB_SLIST_NO_MATCH
-} clib_slist_search_result_t;
-
-typedef struct
-{
- /* Vector of next elements. Every valid instance has at least one */
- union
- {
- u32 next0[2];
- u32 *nexts;
- } n;
-
- /* Index of item in user's pool */
- u32 user_pool_index;
- /* $$$ pad to even divisor of cache line */
-} clib_slist_elt_t;
-
-static inline u32
-clib_slist_get_next_at_level (clib_slist_elt_t * elt, int level)
-{
- if (elt->n.next0[0] & 1)
- {
- ASSERT (level < 2);
- if (level == 1)
- return elt->n.next0[1];
- /* preserve ~0 (end of list) */
- return (elt->n.next0[0] == (u32) ~ 0) ? elt->n.next0[0] :
- (elt->n.next0[0] >> 1);
- }
- else
- {
- ASSERT (level < vec_len (elt->n.nexts));
- return elt->n.nexts[level];
- }
-}
-
-static inline void
-clib_slist_set_next_at_level (clib_slist_elt_t * elt, u32 index, int level)
-{
- u32 old_level0_value[2];
- /* level0 and not a vector */
- if (level < 2 && (elt->n.next0[0] == 0 || elt->n.next0[0] & 1))
- {
- if (level == 0)
- {
- elt->n.next0[0] = (index << 1) | 1;
- return;
- }
- elt->n.next0[1] = index;
- return;
- }
- /* have to save old level0 values? */
- if (elt->n.next0[0] & 1)
- {
- old_level0_value[0] = (elt->n.next0[0] == (u32) ~ 0) ?
- elt->n.next0[0] : elt->n.next0[0] >> 1;
- old_level0_value[1] = elt->n.next0[1];
- elt->n.nexts = 0;
- vec_add1 (elt->n.nexts, old_level0_value[0]);
- vec_add1 (elt->n.nexts, old_level0_value[1]);
- }
- vec_validate (elt->n.nexts, level);
- elt->n.nexts[level] = index;
-}
-
-
-typedef struct
-{
- /* pool of skip-list elements */
- clib_slist_elt_t *elts;
-
- /* last search path */
- u32 *path;
-
- /* last search number of compares */
- u32 ncompares;
-
- /* occupancy stats */
- u32 *occupancy;
-
- /* Comparison function */
- clib_slist_key_compare_function_t *compare;
-
- /* Format function */
- format_function_t *format_user_element;
-
- /* items appear in successive plies with Pr (1 / branching_factor) */
- f64 branching_factor;
-
- /* random seed */
- u32 seed;
-} clib_slist_t;
-
-clib_error_t *clib_slist_init (clib_slist_t * sp, f64 branching_factor,
- clib_slist_key_compare_function_t compare,
- format_function_t format_user_element);
-
-format_function_t format_slist;
-
-void clib_slist_add (clib_slist_t * sp, void *key, u32 user_pool_index);
-clib_slist_search_result_t clib_slist_del (clib_slist_t * sp, void *key);
-u32 clib_slist_search (clib_slist_t * sp, void *key, u32 * ncompares);
-
-#endif /* included_slist_h */
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */