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+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+
+#include "mlx5_flow_os.h"
+
+#include <rte_thread.h>
+
+/* Key of thread specific flow workspace data. */
+static rte_thread_key key_workspace;
+
+int
+mlx5_flow_os_init_workspace_once(void)
+{
+ if (rte_thread_key_create(&key_workspace, flow_release_workspace)) {
+ DRV_LOG(ERR, "Can't create flow workspace data thread key.");
+ return -ENOMEM;
+ }
+ return 0;
+}
+
+void *
+mlx5_flow_os_get_specific_workspace(void)
+{
+ return rte_thread_value_get(key_workspace);
+}
+
+int
+mlx5_flow_os_set_specific_workspace(struct mlx5_flow_workspace *data)
+{
+ return rte_thread_value_set(key_workspace, data);
+}
+
+void
+mlx5_flow_os_release_workspace(void)
+{
+ rte_thread_key_delete(key_workspace);
+}
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+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2020 Mellanox Technologies, Ltd
+ */
+
+#ifndef RTE_PMD_MLX5_FLOW_OS_H_
+#define RTE_PMD_MLX5_FLOW_OS_H_
+
+#include "mlx5_flow.h"
+
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+extern const struct mlx5_flow_driver_ops mlx5_flow_dv_drv_ops;
+#endif
+
+/**
+ * Get OS enforced flow type. MLX5_FLOW_TYPE_MAX means "non enforced type".
+ *
+ * @return
+ * Flow type (MLX5_FLOW_TYPE_MAX)
+ */
+static inline enum mlx5_flow_drv_type
+mlx5_flow_os_get_type(void)
+{
+ return MLX5_FLOW_TYPE_MAX;
+}
+
+/**
+ * Check if item type is supported.
+ *
+ * @param item
+ * Item type to check.
+ *
+ * @return
+ * True is this item type is supported, false if not supported.
+ */
+static inline bool
+mlx5_flow_os_item_supported(int item __rte_unused)
+{
+ return true;
+}
+
+/**
+ * Check if action type is supported.
+ *
+ * @param action
+ * Action type to check.
+ *
+ * @return
+ * True is this action type is supported, false if not supported.
+ */
+static inline bool
+mlx5_flow_os_action_supported(int action __rte_unused)
+{
+ return true;
+}
+
+/**
+ * Create flow rule.
+ *
+ * @param[in] matcher
+ * Pointer to match mask structure.
+ * @param[in] match_value
+ * Pointer to match value structure.
+ * @param[in] num_actions
+ * Number of actions in flow rule.
+ * @param[in] actions
+ * Pointer to array of flow rule actions.
+ * @param[out] flow
+ * Pointer to a valid flow rule object on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow(void *matcher, void *match_value,
+ size_t num_actions, void *actions[], void **flow)
+{
+ *flow = mlx5_glue->dv_create_flow(matcher, match_value,
+ num_actions, actions);
+ return (*flow) ? 0 : -1;
+}
+
+/**
+ * Destroy flow rule.
+ *
+ * @param[in] drv_flow_ptr
+ * Pointer to flow rule object.
+ *
+ * @return
+ * 0 on success, or the value of errno on failure.
+ */
+static inline int
+mlx5_flow_os_destroy_flow(void *drv_flow_ptr)
+{
+ return mlx5_glue->dv_destroy_flow(drv_flow_ptr);
+}
+
+/**
+ * Create flow table.
+ *
+ * @param[in] domain
+ * Pointer to relevant domain.
+ * @param[in] table_id
+ * Table ID.
+ * @param[out] table
+ * Pointer to a valid flow table object on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_tbl(void *domain, uint32_t table_id, void **table)
+{
+ *table = mlx5_glue->dr_create_flow_tbl(domain, table_id);
+ return (*table) ? 0 : -1;
+}
+
+/**
+ * Destroy flow table.
+ *
+ * @param[in] table
+ * Pointer to table object to destroy.
+ *
+ * @return
+ * 0 on success, or the value of errno on failure.
+ */
+static inline int
+mlx5_flow_os_destroy_flow_tbl(void *table)
+{
+ return mlx5_glue->dr_destroy_flow_tbl(table);
+}
+
+/**
+ * Create flow matcher in a flow table.
+ *
+ * @param[in] ctx
+ * Pointer to relevant device context.
+ * @param[in] attr
+ * Pointer to relevant attributes.
+ * @param[in] table
+ * Pointer to table object.
+ * @param[out] matcher
+ * Pointer to a valid flow matcher object on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_matcher(void *ctx, void *attr, void *table,
+ void **matcher)
+{
+ *matcher = mlx5_glue->dv_create_flow_matcher(ctx, attr, table);
+ return (*matcher) ? 0 : -1;
+}
+
+/**
+ * Destroy flow matcher.
+ *
+ * @param[in] matcher
+ * Pointer to matcher object to destroy.
+ *
+ * @return
+ * 0 on success, or the value of errno on failure.
+ */
+static inline int
+mlx5_flow_os_destroy_flow_matcher(void *matcher)
+{
+ return mlx5_glue->dv_destroy_flow_matcher(matcher);
+}
+
+/**
+ * Create flow action: packet reformat.
+ *
+ * @param[in] ctx
+ * Pointer to relevant device context.
+ * @param[in] domain
+ * Pointer to domain handler.
+ * @param[in] resource
+ * Pointer to action data resource.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_packet_reformat(void *ctx, void *domain,
+ void *resource, void **action)
+{
+ struct mlx5_flow_dv_encap_decap_resource *res =
+ (struct mlx5_flow_dv_encap_decap_resource *)resource;
+
+ *action = mlx5_glue->dv_create_flow_action_packet_reformat
+ (ctx, res->reformat_type, res->ft_type,
+ domain, res->flags, res->size,
+ (res->size ? res->buf : NULL));
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: modify header.
+ *
+ * @param[in] ctx
+ * Pointer to relevant device context.
+ * @param[in] domain
+ * Pointer to domain handler.
+ * @param[in] resource
+ * Pointer to action data resource.
+ * @param[in] actions_len
+ * Total length of actions data in resource.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_modify_header(void *ctx, void *domain,
+ void *resource,
+ uint32_t actions_len,
+ void **action)
+{
+ struct mlx5_flow_dv_modify_hdr_resource *res =
+ (struct mlx5_flow_dv_modify_hdr_resource *)resource;
+
+ *action = mlx5_glue->dv_create_flow_action_modify_header
+ (ctx, res->ft_type, domain, res->root ?
+ MLX5DV_DR_ACTION_FLAGS_ROOT_LEVEL : 0,
+ actions_len, (uint64_t *)res->actions);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: destination flow table.
+ *
+ * @param[in] tbl_obj
+ * Pointer to destination table object.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_dest_flow_tbl(void *tbl_obj, void **action)
+{
+ *action = mlx5_glue->dr_create_flow_action_dest_flow_tbl(tbl_obj);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: destination port.
+ *
+ * @param[in] domain
+ * Pointer to domain handler.
+ * @param[in] port_id
+ * Destination port ID.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_dest_port(void *domain, uint32_t port_id,
+ void **action)
+{
+ /*
+ * Depending on rdma_core version the glue routine calls
+ * either mlx5dv_dr_action_create_dest_ib_port(domain, dev_port)
+ * or mlx5dv_dr_action_create_dest_vport(domain, vport_id).
+ */
+ *action = mlx5_glue->dr_create_flow_action_dest_port(domain, port_id);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: push vlan.
+ *
+ * @param[in] domain
+ * Pointer to domain handler.
+ * @param[in] vlan_tag
+ * VLAN tag value.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_push_vlan(void *domain, rte_be32_t vlan_tag,
+ void **action)
+{
+ *action = mlx5_glue->dr_create_flow_action_push_vlan(domain, vlan_tag);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: count.
+ *
+ * @param[in] cnt_obj
+ * Pointer to DevX counter object.
+ * @param[in] offset
+ * Offset of counter in array.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_count(void *cnt_obj, uint16_t offset,
+ void **action)
+{
+ *action = mlx5_glue->dv_create_flow_action_counter(cnt_obj, offset);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: tag.
+ *
+ * @param[in] tag
+ * Tag value.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_tag(uint32_t tag, void **action)
+{
+ *action = mlx5_glue->dv_create_flow_action_tag(tag);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: drop.
+ *
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_drop(void **action)
+{
+ *action = mlx5_glue->dr_create_flow_action_drop();
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: default miss.
+ *
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_default_miss(void **action)
+{
+ *action = mlx5_glue->dr_create_flow_action_default_miss();
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: dest_devx_tir
+ *
+ * @param[in] tir
+ * Pointer to DevX tir object
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_flow_os_create_flow_action_dest_devx_tir(struct mlx5_devx_obj *tir,
+ void **action)
+{
+#ifdef HAVE_IBV_FLOW_DV_SUPPORT
+ *action = mlx5_glue->dv_create_flow_action_dest_devx_tir(tir->obj);
+ return (*action) ? 0 : -1;
+#else
+ /* If no DV support - skip the operation and return success */
+ RTE_SET_USED(tir);
+ *action = 0;
+ return 0;
+#endif
+}
+
+/**
+ * Create flow action: sampler
+ *
+ * @param[in] attr
+ * Pointer to sampler attribute
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_os_flow_dr_create_flow_action_sampler
+ (struct mlx5dv_dr_flow_sampler_attr *attr,
+ void **action)
+{
+ *action = mlx5_glue->dr_create_flow_action_sampler(attr);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Create flow action: dest_array
+ *
+ * @param[in] domain
+ * Pointer to relevant domain.
+ * @param[in] num_dest
+ * Number of destinations array.
+ * @param[in] dests
+ * Array of destination attributes.
+ * @param[out] action
+ * Pointer to a valid action on success, NULL otherwise.
+ *
+ * @return
+ * 0 on success, or -1 on failure and errno is set.
+ */
+static inline int
+mlx5_os_flow_dr_create_flow_action_dest_array
+ (void *domain,
+ size_t num_dest,
+ struct mlx5dv_dr_action_dest_attr *dests[],
+ void **action)
+{
+ *action = mlx5_glue->dr_create_flow_action_dest_array(domain,
+ num_dest, dests);
+ return (*action) ? 0 : -1;
+}
+
+/**
+ * Destroy flow action.
+ *
+ * @param[in] action
+ * Pointer to action object to destroy.
+ *
+ * @return
+ * 0 on success, or the value of errno on failure.
+ */
+static inline int
+mlx5_flow_os_destroy_flow_action(void *action)
+{
+ return mlx5_glue->destroy_flow_action(action);
+}
+
+/**
+ * OS wrapper over Verbs API.
+ * Adjust flow priority based on the highest layer and the request priority.
+ *
+ * @param[in] dev
+ * Pointer to the Ethernet device structure.
+ * @param[in] priority
+ * The rule base priority.
+ * @param[in] subpriority
+ * The priority based on the items.
+ *
+ * @return
+ * The new priority.
+ */
+static inline uint32_t
+mlx5_os_flow_adjust_priority(struct rte_eth_dev *dev, int32_t priority,
+ uint32_t subpriority)
+{
+ return mlx5_flow_adjust_priority(dev, priority, subpriority);
+}
+
+static inline int
+mlx5_os_flow_dr_sync_domain(void *domain, uint32_t flags)
+{
+ return mlx5_glue->dr_sync_domain(domain, flags);
+}
+#endif /* RTE_PMD_MLX5_FLOW_OS_H_ */