X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_dp.h;h=7250e81cb7364e8e8c4f37f08a99b5042adf771f;hb=39e4a2577fd05199f53182b7c8509aeed40dc07f;hp=61c1a3fbacb81dcc00f63a08f7f2002750e72e61;hpb=983ce116c26172d454d09e905bfaa1acfcb24415;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_dp.h b/drivers/net/sfc/sfc_dp.h
index 61c1a3fbac..7250e81cb7 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 +43,17 @@ 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			rx_dbells;
+	uint32_t			tx_dbells;
+
 	uint16_t			port_id;
 	uint16_t			queue_id;
 	struct rte_pci_addr		pci_addr;
@@ -116,6 +128,31 @@ 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);
+
 #ifdef __cplusplus
 }
 #endif