net/sfc: support API to negotiate delivery of Rx metadata

[dpdk.git] / drivers / net / sfc / sfc_mae.h

diff --git a/drivers/net/sfc/sfc_mae.h b/drivers/net/sfc/sfc_mae.h
index 15fe5eb..d835056 100644 (file)
--- a/drivers/net/sfc/sfc_mae.h
+++ b/drivers/net/sfc/sfc_mae.h
@@ -139,6 +139,33 @@ struct sfc_mae_counter_registry {
        uint32_t                        service_id;
 };
 
+/**
+ * MAE rules used to capture traffic generated by VFs and direct it to
+ * representors (one for each VF).
+ */
+#define SFC_MAE_NB_REPR_RULES_MAX      (64)
+
+/** Rules to forward traffic from PHY port to PF and from PF to PHY port */
+#define SFC_MAE_NB_SWITCHDEV_RULES     (2)
+/** Maximum required internal MAE rules */
+#define SFC_MAE_NB_RULES_MAX           (SFC_MAE_NB_SWITCHDEV_RULES + \
+                                        SFC_MAE_NB_REPR_RULES_MAX)
+
+struct sfc_mae_rule {
+       efx_mae_match_spec_t            *spec;
+       efx_mae_actions_t               *actions;
+       efx_mae_aset_id_t               action_set;
+       efx_mae_rule_id_t               rule_id;
+};
+
+struct sfc_mae_internal_rules {
+       /*
+        * Rules required to sustain switchdev mode or to provide
+        * port representor functionality.
+        */
+       struct sfc_mae_rule             rules[SFC_MAE_NB_RULES_MAX];
+};
+
 struct sfc_mae {
        /** Assigned switch domain identifier */
        uint16_t                        switch_domain_id;
@@ -164,6 +191,14 @@ struct sfc_mae {
        bool                            counter_rxq_running;
        /** Counter registry */
        struct sfc_mae_counter_registry counter_registry;
+       /** Driver-internal flow rules */
+       struct sfc_mae_internal_rules   internal_rules;
+       /**
+        * Switchdev default rules. They forward traffic from PHY port
+        * to PF and vice versa.
+        */
+       struct sfc_mae_rule             *switchdev_rule_pf_to_ext;
+       struct sfc_mae_rule             *switchdev_rule_ext_to_pf;
 };
 
 struct sfc_adapter;
@@ -304,6 +339,28 @@ int sfc_mae_rule_parse_actions(struct sfc_adapter *sa,
 sfc_flow_verify_cb_t sfc_mae_flow_verify;
 sfc_flow_insert_cb_t sfc_mae_flow_insert;
 sfc_flow_remove_cb_t sfc_mae_flow_remove;
+sfc_flow_query_cb_t sfc_mae_flow_query;
+
+/**
+ * The value used to represent the lowest priority.
+ * Used in MAE rule API.
+ */
+#define SFC_MAE_RULE_PRIO_LOWEST       (-1)
+
+/**
+ * Insert a driver-internal flow rule that matches traffic originating from
+ * some m-port selector and redirects it to another one
+ * (eg. PF --> PHY, PHY --> PF).
+ *
+ * If requested priority is negative, use the lowest priority.
+ */
+int sfc_mae_rule_add_mport_match_deliver(struct sfc_adapter *sa,
+                                        const efx_mport_sel_t *mport_match,
+                                        const efx_mport_sel_t *mport_deliver,
+                                        int prio, struct sfc_mae_rule **rulep);
+void sfc_mae_rule_del(struct sfc_adapter *sa, struct sfc_mae_rule *rule);
+int sfc_mae_switchdev_init(struct sfc_adapter *sa);
+void sfc_mae_switchdev_fini(struct sfc_adapter *sa);
 
 #ifdef __cplusplus
 }