/* 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.
extern "C" {
#endif
-#if EFSYS_OPT_RX_SCALE
+/*
+ * The maximum number of fully elaborated hardware filter specifications
+ * which can be produced from a template by means of multiplication, if
+ * missing match flags are needed to be taken into account
+ */
+#define SF_FLOW_SPEC_NB_FILTERS_MAX 8
+
/* RSS configuration storage */
struct sfc_flow_rss {
unsigned int rxq_hw_index_min;
uint8_t rss_key[EFX_RSS_KEY_SIZE];
unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
};
-#endif /* EFSYS_OPT_RX_SCALE */
+
+/* Flow engines supported by the implementation */
+enum sfc_flow_spec_type {
+ SFC_FLOW_SPEC_FILTER = 0,
+
+ SFC_FLOW_SPEC_NTYPES
+};
+
+/* VNIC-specific flow specification */
+struct sfc_flow_spec_filter {
+ /* partial specification from flow rule */
+ efx_filter_spec_t template;
+ /* fully elaborated hardware filters specifications */
+ efx_filter_spec_t filters[SF_FLOW_SPEC_NB_FILTERS_MAX];
+ /* number of complete specifications */
+ unsigned int count;
+ /* RSS toggle */
+ boolean_t rss;
+ /* RSS configuration */
+ struct sfc_flow_rss rss_conf;
+};
+
+/* Flow specification */
+struct sfc_flow_spec {
+ /* Flow specification type (engine-based) */
+ enum sfc_flow_spec_type type;
+
+ RTE_STD_C11
+ union {
+ /* Filter-based (VNIC level flows) specification */
+ struct sfc_flow_spec_filter filter;
+ };
+};
/* PMD-specific definition of the opaque type from rte_flow.h */
struct rte_flow {
- efx_filter_spec_t spec; /* filter specification */
-#if EFSYS_OPT_RX_SCALE
- boolean_t rss; /* RSS toggle */
- struct sfc_flow_rss rss_conf; /* RSS configuration */
-#endif /* EFSYS_OPT_RX_SCALE */
+ struct sfc_flow_spec spec; /* flow specification */
TAILQ_ENTRY(rte_flow) entries; /* flow list entries */
};
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_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;
+ };
+};
+
+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);
int sfc_flow_start(struct sfc_adapter *sa);
void sfc_flow_stop(struct sfc_adapter *sa);
+typedef int (sfc_flow_parse_cb_t)(struct rte_eth_dev *dev,
+ const struct rte_flow_item items[],
+ const struct rte_flow_action actions[],
+ struct rte_flow *flow,
+ struct rte_flow_error *error);
+
+typedef int (sfc_flow_insert_cb_t)(struct sfc_adapter *sa,
+ struct rte_flow *flow);
+
+typedef int (sfc_flow_remove_cb_t)(struct sfc_adapter *sa,
+ struct rte_flow *flow);
+
#ifdef __cplusplus
}
#endif