X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;ds=inline;f=lib%2Flibrte_acl%2Frte_acl.c;h=777ec4d340ee45a5ac6361f2011ba9a88d24f1b7;hb=c49197ff29fbd67e19a927683b7100dba602718d;hp=d60219f4edd5f675971f361c9af3726032ee488b;hpb=0b6fbe8749d260724c1e8c0e718d0afc2a0b7f65;p=dpdk.git diff --git a/lib/librte_acl/rte_acl.c b/lib/librte_acl/rte_acl.c index d60219f4ed..777ec4d340 100644 --- a/lib/librte_acl/rte_acl.c +++ b/lib/librte_acl/rte_acl.c @@ -1,37 +1,12 @@ -/*- - * BSD LICENSE - * - * 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 - * are met: - * - * * 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 - * distribution. - * * 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 - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ +#include +#include #include +#include + #include "acl.h" TAILQ_HEAD(rte_acl_list, rte_tailq_entry); @@ -41,11 +16,13 @@ static struct rte_tailq_elem rte_acl_tailq = { }; EAL_REGISTER_TAILQ(rte_acl_tailq) +#ifndef RTE_ARCH_X86 +#ifndef CC_AVX2_SUPPORT /* * If the compiler doesn't support AVX2 instructions, * then the dummy one would be used instead for AVX2 classify method. */ -int __attribute__ ((weak)) +int rte_acl_classify_avx2(__rte_unused const struct rte_acl_ctx *ctx, __rte_unused const uint8_t **data, __rte_unused uint32_t *results, @@ -54,12 +31,52 @@ rte_acl_classify_avx2(__rte_unused const struct rte_acl_ctx *ctx, { return -ENOTSUP; } +#endif + +int +rte_acl_classify_sse(__rte_unused const struct rte_acl_ctx *ctx, + __rte_unused const uint8_t **data, + __rte_unused uint32_t *results, + __rte_unused uint32_t num, + __rte_unused uint32_t categories) +{ + return -ENOTSUP; +} +#endif + +#ifndef RTE_ARCH_ARM +#ifndef RTE_ARCH_ARM64 +int +rte_acl_classify_neon(__rte_unused const struct rte_acl_ctx *ctx, + __rte_unused const uint8_t **data, + __rte_unused uint32_t *results, + __rte_unused uint32_t num, + __rte_unused uint32_t categories) +{ + return -ENOTSUP; +} +#endif +#endif + +#ifndef RTE_ARCH_PPC_64 +int +rte_acl_classify_altivec(__rte_unused const struct rte_acl_ctx *ctx, + __rte_unused const uint8_t **data, + __rte_unused uint32_t *results, + __rte_unused uint32_t num, + __rte_unused uint32_t categories) +{ + return -ENOTSUP; +} +#endif static const rte_acl_classify_t classify_fns[] = { [RTE_ACL_CLASSIFY_DEFAULT] = rte_acl_classify_scalar, [RTE_ACL_CLASSIFY_SCALAR] = rte_acl_classify_scalar, [RTE_ACL_CLASSIFY_SSE] = rte_acl_classify_sse, [RTE_ACL_CLASSIFY_AVX2] = rte_acl_classify_avx2, + [RTE_ACL_CLASSIFY_NEON] = rte_acl_classify_neon, + [RTE_ACL_CLASSIFY_ALTIVEC] = rte_acl_classify_altivec, }; /* by default, use always available scalar code path. */ @@ -88,11 +105,18 @@ rte_acl_set_ctx_classify(struct rte_acl_ctx *ctx, enum rte_acl_classify_alg alg) * if both conditions are met: * at build time compiler supports AVX2 and target cpu supports AVX2. */ -static void __attribute__((constructor)) -rte_acl_init(void) +RTE_INIT(rte_acl_init) { enum rte_acl_classify_alg alg = RTE_ACL_CLASSIFY_DEFAULT; +#if defined(RTE_ARCH_ARM64) + alg = RTE_ACL_CLASSIFY_NEON; +#elif defined(RTE_ARCH_ARM) + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_NEON)) + alg = RTE_ACL_CLASSIFY_NEON; +#elif defined(RTE_ARCH_PPC_64) + alg = RTE_ACL_CLASSIFY_ALTIVEC; +#else #ifdef CC_AVX2_SUPPORT if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2)) alg = RTE_ACL_CLASSIFY_AVX2; @@ -102,6 +126,7 @@ rte_acl_init(void) #endif alg = RTE_ACL_CLASSIFY_SSE; +#endif rte_acl_set_default_classify(alg); } @@ -134,13 +159,13 @@ rte_acl_find_existing(const char *name) acl_list = RTE_TAILQ_CAST(rte_acl_tailq.head, rte_acl_list); - rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_read_lock(); TAILQ_FOREACH(te, acl_list, next) { ctx = (struct rte_acl_ctx *) te->data; if (strncmp(name, ctx->name, sizeof(ctx->name)) == 0) break; } - rte_rwlock_read_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_read_unlock(); if (te == NULL) { rte_errno = ENOENT; @@ -160,7 +185,7 @@ rte_acl_free(struct rte_acl_ctx *ctx) acl_list = RTE_TAILQ_CAST(rte_acl_tailq.head, rte_acl_list); - rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_lock(); /* find our tailq entry */ TAILQ_FOREACH(te, acl_list, next) { @@ -168,13 +193,13 @@ rte_acl_free(struct rte_acl_ctx *ctx) break; } if (te == NULL) { - rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_unlock(); return; } TAILQ_REMOVE(acl_list, te, next); - rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_unlock(); rte_free(ctx->mem); rte_free(ctx); @@ -204,7 +229,7 @@ rte_acl_create(const struct rte_acl_param *param) sz = sizeof(*ctx) + param->max_rule_num * param->rule_size; /* get EAL TAILQ lock. */ - rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_lock(); /* if we already have one with that name */ TAILQ_FOREACH(te, acl_list, next) { @@ -238,7 +263,7 @@ rte_acl_create(const struct rte_acl_param *param) ctx->rule_sz = param->rule_size; ctx->socket_id = param->socket_id; ctx->alg = rte_acl_default_classify; - snprintf(ctx->name, sizeof(ctx->name), "%s", param->name); + strlcpy(ctx->name, param->name, sizeof(ctx->name)); te->data = (void *) ctx; @@ -246,7 +271,7 @@ rte_acl_create(const struct rte_acl_param *param) } exit: - rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_write_unlock(); return ctx; } @@ -272,8 +297,7 @@ acl_check_rule(const struct rte_acl_rule_data *rd) if ((RTE_LEN2MASK(RTE_ACL_MAX_CATEGORIES, typeof(rd->category_mask)) & rd->category_mask) == 0 || rd->priority > RTE_ACL_MAX_PRIORITY || - rd->priority < RTE_ACL_MIN_PRIORITY || - rd->userdata == RTE_ACL_INVALID_USERDATA) + rd->priority < RTE_ACL_MIN_PRIORITY) return -EINVAL; return 0; } @@ -356,10 +380,10 @@ rte_acl_list_dump(void) acl_list = RTE_TAILQ_CAST(rte_acl_tailq.head, rte_acl_list); - rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_read_lock(); TAILQ_FOREACH(te, acl_list, next) { ctx = (struct rte_acl_ctx *) te->data; rte_acl_dump(ctx); } - rte_rwlock_read_unlock(RTE_EAL_TAILQ_RWLOCK); + rte_mcfg_tailq_read_unlock(); }