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-rwxr-xr-xsrc/dpdk_lib18/librte_acl/rte_acl.c516
1 files changed, 0 insertions, 516 deletions
diff --git a/src/dpdk_lib18/librte_acl/rte_acl.c b/src/dpdk_lib18/librte_acl/rte_acl.c
deleted file mode 100755
index 547e6dae..00000000
--- a/src/dpdk_lib18/librte_acl/rte_acl.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/*-
- * 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.
- */
-
-#include <rte_acl.h>
-#include "acl.h"
-
-#define BIT_SIZEOF(x) (sizeof(x) * CHAR_BIT)
-
-TAILQ_HEAD(rte_acl_list, rte_tailq_entry);
-
-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,
-};
-
-/* by default, use always available scalar code path. */
-static enum rte_acl_classify_alg rte_acl_default_classify =
- RTE_ACL_CLASSIFY_SCALAR;
-
-static void
-rte_acl_set_default_classify(enum rte_acl_classify_alg alg)
-{
- rte_acl_default_classify = alg;
-}
-
-extern int
-rte_acl_set_ctx_classify(struct rte_acl_ctx *ctx, enum rte_acl_classify_alg alg)
-{
- if (ctx == NULL || (uint32_t)alg >= RTE_DIM(classify_fns))
- return -EINVAL;
-
- ctx->alg = alg;
- return 0;
-}
-
-static void __attribute__((constructor))
-rte_acl_init(void)
-{
- enum rte_acl_classify_alg alg = RTE_ACL_CLASSIFY_DEFAULT;
-
- if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_SSE4_1))
- alg = RTE_ACL_CLASSIFY_SSE;
-
- rte_acl_set_default_classify(alg);
-}
-
-int
-rte_acl_classify(const struct rte_acl_ctx *ctx, const uint8_t **data,
- uint32_t *results, uint32_t num, uint32_t categories)
-{
- return classify_fns[ctx->alg](ctx, data, results, num, categories);
-}
-
-int
-rte_acl_classify_alg(const struct rte_acl_ctx *ctx, const uint8_t **data,
- uint32_t *results, uint32_t num, uint32_t categories,
- enum rte_acl_classify_alg alg)
-{
- return classify_fns[alg](ctx, data, results, num, categories);
-}
-
-struct rte_acl_ctx *
-rte_acl_find_existing(const char *name)
-{
- struct rte_acl_ctx *ctx = NULL;
- struct rte_acl_list *acl_list;
- struct rte_tailq_entry *te;
-
- /* check that we have an initialised tail queue */
- acl_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_ACL, rte_acl_list);
- if (acl_list == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return NULL;
- }
-
- rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK);
- 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);
-
- if (te == NULL) {
- rte_errno = ENOENT;
- return NULL;
- }
- return ctx;
-}
-
-void
-rte_acl_free(struct rte_acl_ctx *ctx)
-{
- struct rte_acl_list *acl_list;
- struct rte_tailq_entry *te;
-
- if (ctx == NULL)
- return;
-
- /* check that we have an initialised tail queue */
- acl_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_ACL, rte_acl_list);
- if (acl_list == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return;
- }
-
- rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
-
- /* find our tailq entry */
- TAILQ_FOREACH(te, acl_list, next) {
- if (te->data == (void *) ctx)
- break;
- }
- if (te == NULL) {
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
- return;
- }
-
- TAILQ_REMOVE(acl_list, te, next);
-
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
-
- rte_free(ctx->mem);
- rte_free(ctx);
- rte_free(te);
-}
-
-struct rte_acl_ctx *
-rte_acl_create(const struct rte_acl_param *param)
-{
- size_t sz;
- struct rte_acl_ctx *ctx;
- struct rte_acl_list *acl_list;
- struct rte_tailq_entry *te;
- char name[sizeof(ctx->name)];
-
- /* check that we have an initialised tail queue */
- acl_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_ACL, rte_acl_list);
- if (acl_list == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return NULL;
- }
-
- /* check that input parameters are valid. */
- if (param == NULL || param->name == NULL) {
- rte_errno = EINVAL;
- return NULL;
- }
-
- snprintf(name, sizeof(name), "ACL_%s", param->name);
-
- /* calculate amount of memory required for pattern set. */
- sz = sizeof(*ctx) + param->max_rule_num * param->rule_size;
-
- /* get EAL TAILQ lock. */
- rte_rwlock_write_lock(RTE_EAL_TAILQ_RWLOCK);
-
- /* if we already have one with that name */
- TAILQ_FOREACH(te, acl_list, next) {
- ctx = (struct rte_acl_ctx *) te->data;
- if (strncmp(param->name, ctx->name, sizeof(ctx->name)) == 0)
- break;
- }
-
- /* if ACL with such name doesn't exist, then create a new one. */
- if (te == NULL) {
- ctx = NULL;
- te = rte_zmalloc("ACL_TAILQ_ENTRY", sizeof(*te), 0);
-
- if (te == NULL) {
- RTE_LOG(ERR, ACL, "Cannot allocate tailq entry!\n");
- goto exit;
- }
-
- ctx = rte_zmalloc_socket(name, sz, RTE_CACHE_LINE_SIZE, param->socket_id);
-
- if (ctx == NULL) {
- RTE_LOG(ERR, ACL,
- "allocation of %zu bytes on socket %d for %s failed\n",
- sz, param->socket_id, name);
- rte_free(te);
- goto exit;
- }
- /* init new allocated context. */
- ctx->rules = ctx + 1;
- ctx->max_rules = param->max_rule_num;
- 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);
-
- te->data = (void *) ctx;
-
- TAILQ_INSERT_TAIL(acl_list, te, next);
- }
-
-exit:
- rte_rwlock_write_unlock(RTE_EAL_TAILQ_RWLOCK);
- return ctx;
-}
-
-static int
-acl_add_rules(struct rte_acl_ctx *ctx, const void *rules, uint32_t num)
-{
- uint8_t *pos;
-
- if (num + ctx->num_rules > ctx->max_rules)
- return -ENOMEM;
-
- pos = ctx->rules;
- pos += ctx->rule_sz * ctx->num_rules;
- memcpy(pos, rules, num * ctx->rule_sz);
- ctx->num_rules += num;
-
- return 0;
-}
-
-static int
-acl_check_rule(const struct rte_acl_rule_data *rd)
-{
- if ((rd->category_mask & LEN2MASK(RTE_ACL_MAX_CATEGORIES)) == 0 ||
- rd->priority > RTE_ACL_MAX_PRIORITY ||
- rd->priority < RTE_ACL_MIN_PRIORITY ||
- rd->userdata == RTE_ACL_INVALID_USERDATA)
- return -EINVAL;
- return 0;
-}
-
-int
-rte_acl_add_rules(struct rte_acl_ctx *ctx, const struct rte_acl_rule *rules,
- uint32_t num)
-{
- const struct rte_acl_rule *rv;
- uint32_t i;
- int32_t rc;
-
- if (ctx == NULL || rules == NULL || 0 == ctx->rule_sz)
- return -EINVAL;
-
- for (i = 0; i != num; i++) {
- rv = (const struct rte_acl_rule *)
- ((uintptr_t)rules + i * ctx->rule_sz);
- rc = acl_check_rule(&rv->data);
- if (rc != 0) {
- RTE_LOG(ERR, ACL, "%s(%s): rule #%u is invalid\n",
- __func__, ctx->name, i + 1);
- return rc;
- }
- }
-
- return acl_add_rules(ctx, rules, num);
-}
-
-/*
- * Reset all rules.
- * Note that RT structures are not affected.
- */
-void
-rte_acl_reset_rules(struct rte_acl_ctx *ctx)
-{
- if (ctx != NULL)
- ctx->num_rules = 0;
-}
-
-/*
- * Reset all rules and destroys RT structures.
- */
-void
-rte_acl_reset(struct rte_acl_ctx *ctx)
-{
- if (ctx != NULL) {
- rte_acl_reset_rules(ctx);
- rte_acl_build(ctx, &ctx->config);
- }
-}
-
-/*
- * Dump ACL context to the stdout.
- */
-void
-rte_acl_dump(const struct rte_acl_ctx *ctx)
-{
- if (!ctx)
- return;
- printf("acl context <%s>@%p\n", ctx->name, ctx);
- printf(" socket_id=%"PRId32"\n", ctx->socket_id);
- printf(" alg=%"PRId32"\n", ctx->alg);
- printf(" max_rules=%"PRIu32"\n", ctx->max_rules);
- printf(" rule_size=%"PRIu32"\n", ctx->rule_sz);
- printf(" num_rules=%"PRIu32"\n", ctx->num_rules);
- printf(" num_categories=%"PRIu32"\n", ctx->num_categories);
- printf(" num_tries=%"PRIu32"\n", ctx->num_tries);
-}
-
-/*
- * Dump all ACL contexts to the stdout.
- */
-void
-rte_acl_list_dump(void)
-{
- struct rte_acl_ctx *ctx;
- struct rte_acl_list *acl_list;
- struct rte_tailq_entry *te;
-
- /* check that we have an initialised tail queue */
- acl_list = RTE_TAILQ_LOOKUP_BY_IDX(RTE_TAILQ_ACL, rte_acl_list);
- if (acl_list == NULL) {
- rte_errno = E_RTE_NO_TAILQ;
- return;
- }
-
- rte_rwlock_read_lock(RTE_EAL_TAILQ_RWLOCK);
- 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);
-}
-
-/*
- * Support for legacy ipv4vlan rules.
- */
-
-RTE_ACL_RULE_DEF(acl_ipv4vlan_rule, RTE_ACL_IPV4VLAN_NUM_FIELDS);
-
-static int
-acl_ipv4vlan_check_rule(const struct rte_acl_ipv4vlan_rule *rule)
-{
- if (rule->src_port_low > rule->src_port_high ||
- rule->dst_port_low > rule->dst_port_high ||
- rule->src_mask_len > BIT_SIZEOF(rule->src_addr) ||
- rule->dst_mask_len > BIT_SIZEOF(rule->dst_addr))
- return -EINVAL;
-
- return acl_check_rule(&rule->data);
-}
-
-static void
-acl_ipv4vlan_convert_rule(const struct rte_acl_ipv4vlan_rule *ri,
- struct acl_ipv4vlan_rule *ro)
-{
- ro->data = ri->data;
-
- ro->field[RTE_ACL_IPV4VLAN_PROTO_FIELD].value.u8 = ri->proto;
- ro->field[RTE_ACL_IPV4VLAN_VLAN1_FIELD].value.u16 = ri->vlan;
- ro->field[RTE_ACL_IPV4VLAN_VLAN2_FIELD].value.u16 = ri->domain;
- ro->field[RTE_ACL_IPV4VLAN_SRC_FIELD].value.u32 = ri->src_addr;
- ro->field[RTE_ACL_IPV4VLAN_DST_FIELD].value.u32 = ri->dst_addr;
- ro->field[RTE_ACL_IPV4VLAN_SRCP_FIELD].value.u16 = ri->src_port_low;
- ro->field[RTE_ACL_IPV4VLAN_DSTP_FIELD].value.u16 = ri->dst_port_low;
-
- ro->field[RTE_ACL_IPV4VLAN_PROTO_FIELD].mask_range.u8 = ri->proto_mask;
- ro->field[RTE_ACL_IPV4VLAN_VLAN1_FIELD].mask_range.u16 = ri->vlan_mask;
- ro->field[RTE_ACL_IPV4VLAN_VLAN2_FIELD].mask_range.u16 =
- ri->domain_mask;
- ro->field[RTE_ACL_IPV4VLAN_SRC_FIELD].mask_range.u32 =
- ri->src_mask_len;
- ro->field[RTE_ACL_IPV4VLAN_DST_FIELD].mask_range.u32 = ri->dst_mask_len;
- ro->field[RTE_ACL_IPV4VLAN_SRCP_FIELD].mask_range.u16 =
- ri->src_port_high;
- ro->field[RTE_ACL_IPV4VLAN_DSTP_FIELD].mask_range.u16 =
- ri->dst_port_high;
-}
-
-int
-rte_acl_ipv4vlan_add_rules(struct rte_acl_ctx *ctx,
- const struct rte_acl_ipv4vlan_rule *rules,
- uint32_t num)
-{
- int32_t rc;
- uint32_t i;
- struct acl_ipv4vlan_rule rv;
-
- if (ctx == NULL || rules == NULL || ctx->rule_sz != sizeof(rv))
- return -EINVAL;
-
- /* check input rules. */
- for (i = 0; i != num; i++) {
- rc = acl_ipv4vlan_check_rule(rules + i);
- if (rc != 0) {
- RTE_LOG(ERR, ACL, "%s(%s): rule #%u is invalid\n",
- __func__, ctx->name, i + 1);
- return rc;
- }
- }
-
- if (num + ctx->num_rules > ctx->max_rules)
- return -ENOMEM;
-
- /* perform conversion to the internal format and add to the context. */
- for (i = 0, rc = 0; i != num && rc == 0; i++) {
- acl_ipv4vlan_convert_rule(rules + i, &rv);
- rc = acl_add_rules(ctx, &rv, 1);
- }
-
- return rc;
-}
-
-static void
-acl_ipv4vlan_config(struct rte_acl_config *cfg,
- const uint32_t layout[RTE_ACL_IPV4VLAN_NUM],
- uint32_t num_categories)
-{
- static const struct rte_acl_field_def
- ipv4_defs[RTE_ACL_IPV4VLAN_NUM_FIELDS] = {
- {
- .type = RTE_ACL_FIELD_TYPE_BITMASK,
- .size = sizeof(uint8_t),
- .field_index = RTE_ACL_IPV4VLAN_PROTO_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_PROTO,
- },
- {
- .type = RTE_ACL_FIELD_TYPE_BITMASK,
- .size = sizeof(uint16_t),
- .field_index = RTE_ACL_IPV4VLAN_VLAN1_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_VLAN,
- },
- {
- .type = RTE_ACL_FIELD_TYPE_BITMASK,
- .size = sizeof(uint16_t),
- .field_index = RTE_ACL_IPV4VLAN_VLAN2_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_VLAN,
- },
- {
- .type = RTE_ACL_FIELD_TYPE_MASK,
- .size = sizeof(uint32_t),
- .field_index = RTE_ACL_IPV4VLAN_SRC_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_SRC,
- },
- {
- .type = RTE_ACL_FIELD_TYPE_MASK,
- .size = sizeof(uint32_t),
- .field_index = RTE_ACL_IPV4VLAN_DST_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_DST,
- },
- {
- .type = RTE_ACL_FIELD_TYPE_RANGE,
- .size = sizeof(uint16_t),
- .field_index = RTE_ACL_IPV4VLAN_SRCP_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_PORTS,
- },
- {
- .type = RTE_ACL_FIELD_TYPE_RANGE,
- .size = sizeof(uint16_t),
- .field_index = RTE_ACL_IPV4VLAN_DSTP_FIELD,
- .input_index = RTE_ACL_IPV4VLAN_PORTS,
- },
- };
-
- memcpy(&cfg->defs, ipv4_defs, sizeof(ipv4_defs));
- cfg->num_fields = RTE_DIM(ipv4_defs);
-
- cfg->defs[RTE_ACL_IPV4VLAN_PROTO_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_PROTO];
- cfg->defs[RTE_ACL_IPV4VLAN_VLAN1_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_VLAN];
- cfg->defs[RTE_ACL_IPV4VLAN_VLAN2_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_VLAN] +
- cfg->defs[RTE_ACL_IPV4VLAN_VLAN1_FIELD].size;
- cfg->defs[RTE_ACL_IPV4VLAN_SRC_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_SRC];
- cfg->defs[RTE_ACL_IPV4VLAN_DST_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_DST];
- cfg->defs[RTE_ACL_IPV4VLAN_SRCP_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_PORTS];
- cfg->defs[RTE_ACL_IPV4VLAN_DSTP_FIELD].offset =
- layout[RTE_ACL_IPV4VLAN_PORTS] +
- cfg->defs[RTE_ACL_IPV4VLAN_SRCP_FIELD].size;
-
- cfg->num_categories = num_categories;
-}
-
-int
-rte_acl_ipv4vlan_build(struct rte_acl_ctx *ctx,
- const uint32_t layout[RTE_ACL_IPV4VLAN_NUM],
- uint32_t num_categories)
-{
- struct rte_acl_config cfg;
-
- if (ctx == NULL || layout == NULL)
- return -EINVAL;
-
- acl_ipv4vlan_config(&cfg, layout, num_categories);
- return rte_acl_build(ctx, &cfg);
-}