common/sfc_efx/base: separate target EvQ and IRQ config
[dpdk.git] / drivers / net / sfc / sfc_flow.h
index 19db8fc..bd3b374 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright (c) 2017-2018 Solarflare Communications Inc.
- * All rights reserved.
+ * Copyright(c) 2019-2021 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.
@@ -26,6 +26,10 @@ extern "C" {
  */
 #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;
@@ -38,6 +42,7 @@ struct sfc_flow_rss {
 /* Flow engines supported by the implementation */
 enum sfc_flow_spec_type {
        SFC_FLOW_SPEC_FILTER = 0,
+       SFC_FLOW_SPEC_MAE,
 
        SFC_FLOW_SPEC_NTYPES
 };
@@ -52,10 +57,26 @@ struct sfc_flow_spec_filter {
        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) */
@@ -65,6 +86,8 @@ struct sfc_flow_spec {
        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;
        };
 };
 
@@ -78,6 +101,61 @@ TAILQ_HEAD(sfc_flow_list, rte_flow);
 
 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);
@@ -91,6 +169,18 @@ typedef int (sfc_flow_parse_cb_t)(struct rte_eth_dev *dev,
                                  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);
+
+typedef int (sfc_flow_remove_cb_t)(struct sfc_adapter *sa,
+                                  struct rte_flow *flow);
+
 #ifdef __cplusplus
 }
 #endif