X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_rx.h;h=9e6282eadd2afa5f45b7f7fbe18fd1259de24c43;hb=c0802544d9e35042fe93f43fa4970e76011942eb;hp=9719eae76423b170974cab17e6d74cbd68248606;hpb=0c7a0c35f24c1997be7e30d53c8486eb546ae13a;p=dpdk.git

diff --git a/drivers/net/sfc/sfc_rx.h b/drivers/net/sfc/sfc_rx.h
index 9719eae764..9e6282eadd 100644
--- a/drivers/net/sfc/sfc_rx.h
+++ b/drivers/net/sfc/sfc_rx.h
@@ -1,5 +1,7 @@
 /*-
- * Copyright (c) 2016 Solarflare Communications Inc.
+ *   BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
  * All rights reserved.
  *
  * This software was jointly developed between OKTET Labs (under contract
@@ -36,6 +38,8 @@
 
 #include "efx.h"
 
+#include "sfc_dp_rx.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -47,7 +51,7 @@ struct sfc_evq;
  * Software Rx descriptor information associated with hardware Rx
  * descriptor.
  */
-struct sfc_rx_sw_desc {
+struct sfc_efx_rx_sw_desc {
 	struct rte_mbuf		*mbuf;
 	unsigned int		flags;
 	unsigned int		size;
@@ -57,27 +61,29 @@ struct sfc_rx_sw_desc {
 enum sfc_rxq_state_bit {
 	SFC_RXQ_INITIALIZED_BIT = 0,
 #define SFC_RXQ_INITIALIZED	(1 << SFC_RXQ_INITIALIZED_BIT)
+	SFC_RXQ_STARTED_BIT,
+#define SFC_RXQ_STARTED		(1 << SFC_RXQ_STARTED_BIT)
+	SFC_RXQ_FLUSHING_BIT,
+#define SFC_RXQ_FLUSHING	(1 << SFC_RXQ_FLUSHING_BIT)
+	SFC_RXQ_FLUSHED_BIT,
+#define SFC_RXQ_FLUSHED		(1 << SFC_RXQ_FLUSHED_BIT)
+	SFC_RXQ_FLUSH_FAILED_BIT,
+#define SFC_RXQ_FLUSH_FAILED	(1 << SFC_RXQ_FLUSH_FAILED_BIT)
 };
 
 /**
- * Receive queue information used on data path.
+ * Receive queue control information.
  * Allocated on the socket specified on the queue setup.
  */
 struct sfc_rxq {
-	/* Used on data path */
 	struct sfc_evq		*evq;
-	struct sfc_rx_sw_desc	*sw_desc;
-	unsigned int		state;
-	unsigned int		ptr_mask;
-
-	/* Used on refill */
-	uint16_t		buf_size;
-	struct rte_mempool	*refill_mb_pool;
 	efx_rxq_t		*common;
 	efsys_mem_t		mem;
-
-	/* Not used on data path */
 	unsigned int		hw_index;
+	unsigned int		refill_threshold;
+	struct rte_mempool	*refill_mb_pool;
+	struct sfc_dp_rxq	*dp;
+	unsigned int		state;
 };
 
 static inline unsigned int
@@ -92,6 +98,44 @@ sfc_rxq_sw_index(const struct sfc_rxq *rxq)
 	return sfc_rxq_sw_index_by_hw_index(rxq->hw_index);
 }
 
+struct sfc_rxq *sfc_rxq_by_dp_rxq(const struct sfc_dp_rxq *dp_rxq);
+
+/**
+ * Receive queue information used on libefx-based data path.
+ * Allocated on the socket specified on the queue setup.
+ */
+struct sfc_efx_rxq {
+	/* Used on data path */
+	struct sfc_evq			*evq;
+	unsigned int			flags;
+#define SFC_EFX_RXQ_FLAG_STARTED	0x1
+#define SFC_EFX_RXQ_FLAG_RUNNING	0x2
+#define SFC_EFX_RXQ_FLAG_RSS_HASH	0x4
+	unsigned int			ptr_mask;
+	unsigned int			pending;
+	unsigned int			completed;
+	uint16_t			batch_max;
+	uint16_t			prefix_size;
+	struct sfc_efx_rx_sw_desc	*sw_desc;
+
+	/* Used on refill */
+	unsigned int			added;
+	unsigned int			pushed;
+	unsigned int			refill_threshold;
+	uint16_t			buf_size;
+	struct rte_mempool		*refill_mb_pool;
+	efx_rxq_t			*common;
+
+	/* Datapath receive queue anchor */
+	struct sfc_dp_rxq		dp;
+};
+
+static inline struct sfc_efx_rxq *
+sfc_efx_rxq_by_dp_rxq(struct sfc_dp_rxq *dp_rxq)
+{
+	return container_of(dp_rxq, struct sfc_efx_rxq, dp);
+}
+
 /**
  * Receive queue information used during setup/release only.
  * Allocated on the same socket as adapter data.
@@ -101,16 +145,34 @@ struct sfc_rxq_info {
 	unsigned int		entries;
 	efx_rxq_type_t		type;
 	struct sfc_rxq		*rxq;
+	boolean_t		deferred_start;
+	boolean_t		deferred_started;
 };
 
-int sfc_rx_init(struct sfc_adapter *sa);
-void sfc_rx_fini(struct sfc_adapter *sa);
+int sfc_rx_configure(struct sfc_adapter *sa);
+void sfc_rx_close(struct sfc_adapter *sa);
+int sfc_rx_start(struct sfc_adapter *sa);
+void sfc_rx_stop(struct sfc_adapter *sa);
 
 int sfc_rx_qinit(struct sfc_adapter *sa, unsigned int rx_queue_id,
 		 uint16_t nb_rx_desc, unsigned int socket_id,
 		 const struct rte_eth_rxconf *rx_conf,
 		 struct rte_mempool *mb_pool);
 void sfc_rx_qfini(struct sfc_adapter *sa, unsigned int sw_index);
+int sfc_rx_qstart(struct sfc_adapter *sa, unsigned int sw_index);
+void sfc_rx_qstop(struct sfc_adapter *sa, unsigned int sw_index);
+
+void sfc_rx_qflush_done(struct sfc_rxq *rxq);
+void sfc_rx_qflush_failed(struct sfc_rxq *rxq);
+
+unsigned int sfc_rx_qdesc_npending(struct sfc_adapter *sa,
+				   unsigned int sw_index);
+int sfc_rx_qdesc_done(struct sfc_dp_rxq *dp_rxq, unsigned int offset);
+
+#if EFSYS_OPT_RX_SCALE
+efx_rx_hash_type_t sfc_rte_to_efx_hash_type(uint64_t rss_hf);
+uint64_t sfc_efx_to_rte_hash_type(efx_rx_hash_type_t efx_hash_types);
+#endif
 
 #ifdef __cplusplus
 }