X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_hash%2Frte_fbk_hash.c;h=a65671e01d84b2f5e1dd1622c51d891c0ae85654;hb=e9d48c0072d36eb6423b45fba4ec49d0def6c36f;hp=fa397f52431c4eb12347e6295aa16dc0726f71f5;hpb=1651e2166be228125287c2e00d3ce792e9a68265;p=dpdk.git diff --git a/lib/librte_hash/rte_fbk_hash.c b/lib/librte_hash/rte_fbk_hash.c index fa397f5243..a65671e01d 100644 --- a/lib/librte_hash/rte_fbk_hash.c +++ b/lib/librte_hash/rte_fbk_hash.c @@ -1,35 +1,34 @@ /** * BSD LICENSE * - * Copyright(c) 2010-2012 Intel Corporation. All rights reserved. + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. * All rights reserved. * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions * are met: * - * * Redistributions of source code must retain the above copyright + * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include @@ -51,6 +50,7 @@ #include #include #include +#include #include "rte_fbk_hash.h" @@ -79,10 +79,12 @@ rte_fbk_hash_find_existing(const char *name) return NULL; } + rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK); TAILQ_FOREACH(h, fbk_hash_list, next) { if (strncmp(name, h->name, RTE_FBK_HASH_NAMESIZE) == 0) break; } + rte_rwlock_read_unlock(RTE_EAL_TAILQ_RWLOCK); if (h == NULL) rte_errno = ENOENT; return h; @@ -122,25 +124,29 @@ rte_fbk_hash_create(const struct rte_fbk_hash_params *params) (params->entries_per_bucket == 0) || (params->entries_per_bucket > params->entries) || (params->entries > RTE_FBK_HASH_ENTRIES_MAX) || - (params->entries_per_bucket > RTE_FBK_HASH_ENTRIES_MAX)){ + (params->entries_per_bucket > RTE_FBK_HASH_ENTRIES_PER_BUCKET_MAX)){ rte_errno = EINVAL; return NULL; } rte_snprintf(hash_name, sizeof(hash_name), "FBK_%s", params->name); + rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); + /* guarantee there's no existing */ TAILQ_FOREACH(ht, fbk_hash_list, next) { if (strncmp(params->name, ht->name, RTE_FBK_HASH_NAMESIZE) == 0) break; } if (ht != NULL) - return NULL; + goto exit; /* Allocate memory for table. */ - ht = (struct rte_fbk_hash_table *)rte_malloc(hash_name, mem_size, 0); + ht = (struct rte_fbk_hash_table *)rte_malloc_socket(hash_name, mem_size, + 0, params->socket_id); if (ht == NULL) - return NULL; + goto exit; + memset(ht, 0, mem_size); /* Set up hash table context. */ @@ -164,6 +170,10 @@ rte_fbk_hash_create(const struct rte_fbk_hash_params *params) } TAILQ_INSERT_TAIL(fbk_hash_list, ht, next); + +exit: + rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); + return ht; }