net/sfc: make refill threshold check Rx datapath specific

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

diff --git a/drivers/net/sfc/sfc_dp_rx.h b/drivers/net/sfc/sfc_dp_rx.h
index b3c6a6c..d2e3106 100644 (file)
--- a/drivers/net/sfc/sfc_dp_rx.h
+++ b/drivers/net/sfc/sfc_dp_rx.h
@@ -83,8 +83,39 @@ struct sfc_dp_rx_qcreate_info {
 
        /** Rx queue size */
        unsigned int            rxq_entries;
+       /** DMA-mapped Rx descriptors ring */
+       void                    *rxq_hw_ring;
+
+       /** Associated event queue size */
+       unsigned int            evq_entries;
+       /** Hardware event ring */
+       void                    *evq_hw_ring;
+
+       /** The queue index in hardware (required to push right doorbell) */
+       unsigned int            hw_index;
+       /**
+        * Virtual address of the memory-mapped BAR to push Rx refill
+        * doorbell
+        */
+       volatile void           *mem_bar;
 };
 
+/**
+ * Get size of receive and event queue rings by the number of Rx
+ * descriptors.
+ *
+ * @param nb_rx_desc           Number of Rx descriptors
+ * @param rxq_entries          Location for number of Rx ring entries
+ * @param evq_entries          Location for number of event ring entries
+ * @param rxq_max_fill_level   Location for maximum Rx ring fill level
+ *
+ * @return 0 or positive errno.
+ */
+typedef int (sfc_dp_rx_qsize_up_rings_t)(uint16_t nb_rx_desc,
+                                        unsigned int *rxq_entries,
+                                        unsigned int *evq_entries,
+                                        unsigned int *rxq_max_fill_level);
+
 /**
  * Allocate and initialize datapath receive queue.
  *
@@ -122,6 +153,11 @@ typedef int (sfc_dp_rx_qstart_t)(struct sfc_dp_rxq *dp_rxq,
 typedef void (sfc_dp_rx_qstop_t)(struct sfc_dp_rxq *dp_rxq,
                                 unsigned int *evq_read_ptr);
 
+/**
+ * Receive event handler used during queue flush only.
+ */
+typedef bool (sfc_dp_rx_qrx_ev_t)(struct sfc_dp_rxq *dp_rxq, unsigned int id);
+
 /**
  * Receive queue purge function called after queue flush.
  *
@@ -130,24 +166,34 @@ typedef void (sfc_dp_rx_qstop_t)(struct sfc_dp_rxq *dp_rxq,
 typedef void (sfc_dp_rx_qpurge_t)(struct sfc_dp_rxq *dp_rxq);
 
 /** Get packet types recognized/classified */
-typedef const uint32_t * (sfc_dp_rx_supported_ptypes_get_t)(void);
+typedef const uint32_t * (sfc_dp_rx_supported_ptypes_get_t)(
+                               uint32_t tunnel_encaps);
 
 /** Get number of pending Rx descriptors */
 typedef unsigned int (sfc_dp_rx_qdesc_npending_t)(struct sfc_dp_rxq *dp_rxq);
 
+/** Check Rx descriptor status */
+typedef int (sfc_dp_rx_qdesc_status_t)(struct sfc_dp_rxq *dp_rxq,
+                                      uint16_t offset);
+
 /** Receive datapath definition */
 struct sfc_dp_rx {
        struct sfc_dp                           dp;
 
        unsigned int                            features;
 #define SFC_DP_RX_FEAT_SCATTER                 0x1
+#define SFC_DP_RX_FEAT_MULTI_PROCESS           0x2
+#define SFC_DP_RX_FEAT_TUNNELS                 0x4
+       sfc_dp_rx_qsize_up_rings_t              *qsize_up_rings;
        sfc_dp_rx_qcreate_t                     *qcreate;
        sfc_dp_rx_qdestroy_t                    *qdestroy;
        sfc_dp_rx_qstart_t                      *qstart;
        sfc_dp_rx_qstop_t                       *qstop;
+       sfc_dp_rx_qrx_ev_t                      *qrx_ev;
        sfc_dp_rx_qpurge_t                      *qpurge;
        sfc_dp_rx_supported_ptypes_get_t        *supported_ptypes_get;
        sfc_dp_rx_qdesc_npending_t              *qdesc_npending;
+       sfc_dp_rx_qdesc_status_t                *qdesc_status;
        eth_rx_burst_t                          pkt_burst;
 };
 
@@ -168,6 +214,7 @@ sfc_dp_find_rx_by_caps(struct sfc_dp_list *head, unsigned int avail_caps)
 }
 
 extern struct sfc_dp_rx sfc_efx_rx;
+extern struct sfc_dp_rx sfc_ef10_rx;
 
 #ifdef __cplusplus
 }