#include <rte_log.h>
#include <rte_errno.h>
+#include <rte_malloc.h>
#include <rte_regexdev.h>
#include <rte_regexdev_core.h>
#include <rte_regexdev_driver.h>
+#include <sys/mman.h>
+
+#include <mlx5_glue.h>
+#include <mlx5_devx_cmds.h>
+#include <mlx5_prm.h>
+#include <mlx5_common_os.h>
#include "mlx5_regex.h"
+#include "mlx5_regex_utils.h"
+#include "mlx5_rxp_csrs.h"
+#include "mlx5_rxp.h"
+
+#define MLX5_REGEX_MAX_MATCHES MLX5_RXP_MAX_MATCHES
+#define MLX5_REGEX_MAX_PAYLOAD_SIZE MLX5_RXP_MAX_JOB_LENGTH
+#define MLX5_REGEX_MAX_RULES_PER_GROUP UINT32_MAX
+#define MLX5_REGEX_MAX_GROUPS MLX5_RXP_MAX_SUBSETS
+
+#define MLX5_REGEX_RXP_ROF2_LINE_LEN 34
-#define MLX5_REGEX_MAX_MATCHES 255
-#define MLX5_REGEX_MAX_PAYLOAD_SIZE UINT16_MAX
-#define MLX5_REGEX_MAX_RULES_PER_GROUP UINT16_MAX
-#define MLX5_REGEX_MAX_GROUPS UINT16_MAX
+/* Private Declarations */
+static int
+rxp_create_mkey(struct mlx5_regex_priv *priv, void *ptr, size_t size,
+ uint32_t access, struct mlx5_regex_mkey *mkey);
+static inline void
+rxp_destroy_mkey(struct mlx5_regex_mkey *mkey);
int
mlx5_regex_info_get(struct rte_regexdev *dev __rte_unused,
info->max_payload_size = MLX5_REGEX_MAX_PAYLOAD_SIZE;
info->max_rules_per_group = MLX5_REGEX_MAX_RULES_PER_GROUP;
info->max_groups = MLX5_REGEX_MAX_GROUPS;
- info->regexdev_capa = RTE_REGEXDEV_SUPP_PCRE_GREEDY_F;
+ info->regexdev_capa = RTE_REGEXDEV_SUPP_PCRE_GREEDY_F |
+ RTE_REGEXDEV_CAPA_QUEUE_PAIR_OOS_F;
info->rule_flags = 0;
+ info->max_queue_pairs = UINT16_MAX;
+ return 0;
+}
+
+static int
+rxp_create_mkey(struct mlx5_regex_priv *priv, void *ptr, size_t size,
+ uint32_t access, struct mlx5_regex_mkey *mkey)
+{
+ struct mlx5_devx_mkey_attr mkey_attr;
+
+ /* Register the memory. */
+ mkey->umem = mlx5_glue->devx_umem_reg(priv->cdev->ctx, ptr, size, access);
+ if (!mkey->umem) {
+ DRV_LOG(ERR, "Failed to register memory!");
+ return -ENODEV;
+ }
+ /* Create mkey */
+ mkey_attr = (struct mlx5_devx_mkey_attr) {
+ .addr = (uintptr_t)ptr,
+ .size = (uint32_t)size,
+ .umem_id = mlx5_os_get_umem_id(mkey->umem),
+ .pg_access = 1,
+ .umr_en = 0,
+ };
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ mkey_attr.pd = priv->cdev->pdn;
+#endif
+ mkey->mkey = mlx5_devx_cmd_mkey_create(priv->cdev->ctx, &mkey_attr);
+ if (!mkey->mkey) {
+ DRV_LOG(ERR, "Failed to create direct mkey!");
+ return -ENODEV;
+ }
+ return 0;
+}
+
+static inline void
+rxp_destroy_mkey(struct mlx5_regex_mkey *mkey)
+{
+ if (mkey->mkey)
+ claim_zero(mlx5_devx_cmd_destroy(mkey->mkey));
+ if (mkey->umem)
+ claim_zero(mlx5_glue->devx_umem_dereg(mkey->umem));
+}
+
+int
+mlx5_regex_rules_db_import(struct rte_regexdev *dev,
+ const char *rule_db, uint32_t rule_db_len)
+{
+ struct mlx5_regex_priv *priv = dev->data->dev_private;
+ struct mlx5_regex_mkey mkey;
+ uint32_t id;
+ int ret;
+ void *ptr;
+
+ if (priv->prog_mode == MLX5_RXP_MODE_NOT_DEFINED) {
+ DRV_LOG(ERR, "RXP programming mode not set!");
+ return -1;
+ }
+ if (rule_db == NULL) {
+ DRV_LOG(ERR, "Database empty!");
+ return -ENODEV;
+ }
+ if (rule_db_len == 0)
+ return -EINVAL;
+ /* copy rules - rules have to be 4KB aligned. */
+ ptr = rte_malloc("", rule_db_len, 1 << 12);
+ if (!ptr) {
+ DRV_LOG(ERR, "Failed to allocate rules file memory.");
+ return -ENOMEM;
+ }
+ rte_memcpy(ptr, rule_db, rule_db_len);
+ /* Register umem and create rof mkey. */
+ ret = rxp_create_mkey(priv, ptr, rule_db_len, /*access=*/7, &mkey);
+ if (ret < 0)
+ return ret;
+
+ for (id = 0; id < priv->nb_engines; id++) {
+ ret = mlx5_devx_regex_rules_program(priv->cdev->ctx, id,
+ mkey.mkey->id, rule_db_len, (uintptr_t)ptr);
+ if (ret < 0) {
+ DRV_LOG(ERR, "Failed to program rxp rules.");
+ ret = -ENODEV;
+ break;
+ }
+ ret = 0;
+ }
+ rxp_destroy_mkey(&mkey);
+ rte_free(ptr);
+ return ret;
+}
+
+int
+mlx5_regex_configure(struct rte_regexdev *dev,
+ const struct rte_regexdev_config *cfg)
+{
+ struct mlx5_regex_priv *priv = dev->data->dev_private;
+ int ret;
+
+ if (priv->prog_mode == MLX5_RXP_MODE_NOT_DEFINED)
+ return -1;
+ priv->nb_queues = cfg->nb_queue_pairs;
+ dev->data->dev_conf.nb_queue_pairs = priv->nb_queues;
+ priv->qps = rte_zmalloc(NULL, sizeof(struct mlx5_regex_qp) *
+ priv->nb_queues, 0);
+ if (!priv->nb_queues) {
+ DRV_LOG(ERR, "can't allocate qps memory");
+ rte_errno = ENOMEM;
+ return -rte_errno;
+ }
+ priv->nb_max_matches = cfg->nb_max_matches;
+ if (cfg->rule_db != NULL) {
+ ret = mlx5_regex_rules_db_import(dev, cfg->rule_db,
+ cfg->rule_db_len);
+ if (ret < 0) {
+ DRV_LOG(ERR, "Failed to program rxp rules.");
+ rte_errno = ENODEV;
+ goto configure_error;
+ }
+ } else
+ DRV_LOG(DEBUG, "Regex config without rules programming!");
return 0;
+configure_error:
+ if (priv->qps)
+ rte_free(priv->qps);
+ return -rte_errno;
}
git.droids-corp.org / dpdk.git / blobdiff