/* SPDX-License-Identifier: BSD-3-Clause
*
- * Copyright (c) 2017-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2017-2019 Solarflare Communications Inc.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
*/
#define SF_FLOW_SPEC_NB_FILTERS_MAX 8
+/* Used to guard action masks */
+#define SFC_BUILD_SET_OVERFLOW(_action, _set) \
+ RTE_BUILD_BUG_ON((_action) >= sizeof(_set) * CHAR_BIT)
+
/* RSS configuration storage */
struct sfc_flow_rss {
unsigned int rxq_hw_index_min;
/* Flow engines supported by the implementation */
enum sfc_flow_spec_type {
SFC_FLOW_SPEC_FILTER = 0,
+ SFC_FLOW_SPEC_MAE,
SFC_FLOW_SPEC_NTYPES
};
unsigned int count;
/* RSS toggle */
boolean_t rss;
+ /* RSS hash toggle */
+ boolean_t rss_hash_required;
/* RSS configuration */
struct sfc_flow_rss rss_conf;
};
+/* MAE-specific flow specification */
+struct sfc_flow_spec_mae {
+ /* Desired priority level */
+ unsigned int priority;
+ /* Outer rule registry entry */
+ struct sfc_mae_outer_rule *outer_rule;
+ /* EFX match specification */
+ efx_mae_match_spec_t *match_spec;
+ /* Action set registry entry */
+ struct sfc_mae_action_set *action_set;
+ /* Firmware-allocated rule ID */
+ efx_mae_rule_id_t rule_id;
+};
+
/* Flow specification */
struct sfc_flow_spec {
/* Flow specification type (engine-based) */
union {
/* Filter-based (VNIC level flows) specification */
struct sfc_flow_spec_filter filter;
+ /* MAE-based (lower-level HW switch flows) specification */
+ struct sfc_flow_spec_mae mae;
};
};
extern const struct rte_flow_ops sfc_flow_ops;
+enum sfc_flow_item_layers {
+ SFC_FLOW_ITEM_ANY_LAYER,
+ SFC_FLOW_ITEM_START_LAYER,
+ SFC_FLOW_ITEM_L2,
+ SFC_FLOW_ITEM_L3,
+ SFC_FLOW_ITEM_L4,
+};
+
+/* Flow parse context types */
+enum sfc_flow_parse_ctx_type {
+ SFC_FLOW_PARSE_CTX_FILTER = 0,
+ SFC_FLOW_PARSE_CTX_MAE,
+
+ SFC_FLOW_PARSE_CTX_NTYPES
+};
+
+/* Flow parse context */
+struct sfc_flow_parse_ctx {
+ enum sfc_flow_parse_ctx_type type;
+
+ RTE_STD_C11
+ union {
+ /* Context pointer valid for filter-based (VNIC) flows */
+ efx_filter_spec_t *filter;
+ /* Context pointer valid for MAE-based flows */
+ struct sfc_mae_parse_ctx *mae;
+ };
+};
+
+typedef int (sfc_flow_item_parse)(const struct rte_flow_item *item,
+ struct sfc_flow_parse_ctx *parse_ctx,
+ struct rte_flow_error *error);
+
+struct sfc_flow_item {
+ enum rte_flow_item_type type; /* Type of item */
+ enum sfc_flow_item_layers layer; /* Layer of item */
+ enum sfc_flow_item_layers prev_layer; /* Previous layer of item */
+ enum sfc_flow_parse_ctx_type ctx_type; /* Parse context type */
+ sfc_flow_item_parse *parse; /* Parsing function */
+};
+
+int sfc_flow_parse_pattern(const struct sfc_flow_item *flow_items,
+ unsigned int nb_flow_items,
+ const struct rte_flow_item pattern[],
+ struct sfc_flow_parse_ctx *parse_ctx,
+ struct rte_flow_error *error);
+
+int sfc_flow_parse_init(const struct rte_flow_item *item,
+ const void **spec_ptr,
+ const void **mask_ptr,
+ const void *supp_mask,
+ const void *def_mask,
+ unsigned int size,
+ struct rte_flow_error *error);
+
struct sfc_adapter;
void sfc_flow_init(struct sfc_adapter *sa);
struct rte_flow *flow,
struct rte_flow_error *error);
+typedef int (sfc_flow_verify_cb_t)(struct sfc_adapter *sa,
+ struct rte_flow *flow);
+
+typedef void (sfc_flow_cleanup_cb_t)(struct sfc_adapter *sa,
+ struct rte_flow *flow);
+
typedef int (sfc_flow_insert_cb_t)(struct sfc_adapter *sa,
struct rte_flow *flow);