X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_dp.h;h=c302a5cc13c9cad445dcca363e45736ba4da577f;hb=de32ec32d720ca3070a48a24da1a18eb315003fe;hp=4bed137806115b16f1cd93357cc77c7f80445032;hpb=98d26ef7b839e43b0cdbdee216c7caca6b76f8f8;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_dp.h b/drivers/net/sfc/sfc_dp.h
index 4bed137806..c302a5cc13 100644
--- a/drivers/net/sfc/sfc_dp.h
+++ b/drivers/net/sfc/sfc_dp.h
@@ -16,6 +16,7 @@
 #include <rte_pci.h>
 
 #include "sfc_log.h"
+#include "sfc_stats.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -42,6 +43,16 @@ enum sfc_dp_type {
 
 /** Datapath queue run-time information */
 struct sfc_dp_queue {
+	/*
+	 * Typically the structure is located at the end of Rx/Tx queue
+	 * data structure and not used on datapath. So, it is not a
+	 * problem to have extra fields even if not used. However,
+	 * put stats at top of the structure to be closer to fields
+	 * used on datapath or reap to have more chances to be cache-hot.
+	 */
+	union sfc_pkts_bytes		stats;
+	uint32_t			dbells;
+
 	uint16_t			port_id;
 	uint16_t			queue_id;
 	struct rte_pci_addr		pci_addr;
@@ -96,6 +107,12 @@ struct sfc_dp {
 /** List of datapath variants */
 TAILQ_HEAD(sfc_dp_list, sfc_dp);
 
+typedef unsigned int sfc_sw_index_t;
+#define SFC_SW_INDEX_INVALID	((sfc_sw_index_t)(UINT_MAX))
+
+typedef int32_t	sfc_ethdev_qid_t;
+#define SFC_ETHDEV_QID_INVALID	((sfc_ethdev_qid_t)(-1))
+
 /* Check if available HW/FW capabilities are sufficient for the datapath */
 static inline bool
 sfc_dp_match_hw_fw_caps(const struct sfc_dp *dp, unsigned int avail_caps)
@@ -110,6 +127,40 @@ struct sfc_dp *sfc_dp_find_by_caps(struct sfc_dp_list *head,
 				   unsigned int avail_caps);
 int sfc_dp_register(struct sfc_dp_list *head, struct sfc_dp *entry);
 
+/**
+ * Dynamically registered mbuf flag "mport_override" (as a bitmask).
+ *
+ * If this flag is set in an mbuf then the dynamically registered
+ * mbuf field "mport" holds a valid value. This is used to direct
+ * port representor transmit traffic to the correct target port.
+ */
+extern uint64_t sfc_dp_mport_override;
+
+/**
+ * Dynamically registered mbuf field "mport" (mbuf byte offset).
+ *
+ * If the dynamically registered "mport_override" flag is set in
+ * an mbuf then the mbuf "mport" field holds a valid value. This
+ * is used to direct port representor transmit traffic to the
+ * correct target port.
+ */
+extern int sfc_dp_mport_offset;
+
+/**
+ * Register dynamic mbuf flag and field which can be used to require Tx override
+ * prefix descriptor with egress mport set.
+ */
+int sfc_dp_mport_register(void);
+
+/** Dynamically registered mbuf "ft_id" validity flag (as a bitmask). */
+extern uint64_t sfc_dp_ft_id_valid;
+
+/** Dynamically registered mbuf field "ft_id" (mbuf byte offset). */
+extern int sfc_dp_ft_id_offset;
+
+/** Register dynamic mbuf field "ft_id" and its validity flag. */
+int sfc_dp_ft_id_register(void);
+
 #ifdef __cplusplus
 }
 #endif