diff options
Diffstat (limited to 'src/vppinfra/smp_fifo.c')
-rw-r--r-- | src/vppinfra/smp_fifo.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/src/vppinfra/smp_fifo.c b/src/vppinfra/smp_fifo.c deleted file mode 100644 index bb74064d8f3..00000000000 --- a/src/vppinfra/smp_fifo.c +++ /dev/null @@ -1,91 +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) 2012 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. -*/ - -#include <vppinfra/smp_fifo.h> -#include <vppinfra/mem.h> - -clib_smp_fifo_t * -clib_smp_fifo_init (uword max_n_elts, uword n_bytes_per_elt) -{ - clib_smp_fifo_t *f; - uword n_bytes_per_elt_cache_aligned; - - f = clib_mem_alloc_aligned (sizeof (f[0]), CLIB_CACHE_LINE_BYTES); - - memset (f, 0, sizeof (f[0])); - - max_n_elts = max_n_elts ? max_n_elts : 32; - f->log2_max_n_elts = max_log2 (max_n_elts); - f->max_n_elts_less_one = (1 << f->log2_max_n_elts) - 1; - - n_bytes_per_elt_cache_aligned = - clib_smp_fifo_round_elt_bytes (n_bytes_per_elt); - clib_exec_on_global_heap ( - { - f->data = - clib_mem_alloc_aligned - (n_bytes_per_elt_cache_aligned << - f->log2_max_n_elts, CLIB_CACHE_LINE_BYTES);} - ); - - /* Zero all data and mark all elements free. */ - { - uword i; - for (i = 0; i <= f->max_n_elts_less_one; i++) - { - void *d = clib_smp_fifo_elt_at_index (f, n_bytes_per_elt, i); - clib_smp_fifo_data_footer_t *t; - - memset (d, 0, n_bytes_per_elt_cache_aligned); - - t = clib_smp_fifo_get_data_footer (d, n_bytes_per_elt); - clib_smp_fifo_data_footer_set_state (t, - CLIB_SMP_FIFO_DATA_STATE_free); - } - } - - return f; -} - - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ |