net/i40e: fix Rx packet statistics

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

diff --git a/drivers/net/sfc/sfc_dp.h b/drivers/net/sfc/sfc_dp.h
index 61c1a3f..7250e81 100644 (file)
--- 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