X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fena%2Fena_ethdev.h;h=ae235897eeb722289193c8582f42f296b1f709d6;hb=94af45f4005ee0c3152db45a3669bec5238a3c10;hp=5afce25f138fc427913d43186d90bbf07991880c;hpb=e1e73e3229355de3c6945b68a94aba63f790a225;p=dpdk.git

diff --git a/drivers/net/ena/ena_ethdev.h b/drivers/net/ena/ena_ethdev.h
index 5afce25f13..ae235897ee 100644
--- a/drivers/net/ena/ena_ethdev.h
+++ b/drivers/net/ena/ena_ethdev.h
@@ -30,6 +30,19 @@
 #define ENA_WD_TIMEOUT_SEC	3
 #define ENA_DEVICE_KALIVE_TIMEOUT (ENA_WD_TIMEOUT_SEC * rte_get_timer_hz())
 
+/* While processing submitted and completed descriptors (rx and tx path
+ * respectively) in a loop it is desired to:
+ *  - perform batch submissions while populating sumbissmion queue
+ *  - avoid blocking transmission of other packets during cleanup phase
+ * Hence the utilization ratio of 1/8 of a queue size or max value if the size
+ * of the ring is very big - like 8k Rx rings.
+ */
+#define ENA_REFILL_THRESH_DIVIDER      8
+#define ENA_REFILL_THRESH_PACKET       256
+
+#define ENA_IDX_NEXT_MASKED(idx, mask) (((idx) + 1) & (mask))
+#define ENA_IDX_ADD_MASKED(idx, n, mask) (((idx) + (n)) & (mask))
+
 struct ena_adapter;
 
 enum ena_ring_type {
@@ -44,6 +57,12 @@ struct ena_tx_buffer {
 	struct ena_com_buf bufs[ENA_PKT_MAX_BUFS];
 };
 
+/* Rx buffer holds only pointer to the mbuf - may be expanded in the future */
+struct ena_rx_buffer {
+	struct rte_mbuf *mbuf;
+	struct ena_com_buf ena_buf;
+};
+
 struct ena_calc_queue_size_ctx {
 	struct ena_com_dev_get_features_ctx *get_feat_ctx;
 	struct ena_com_dev *ena_dev;
@@ -81,6 +100,10 @@ struct ena_ring {
 
 	enum ena_ring_type type;
 	enum ena_admin_placement_policy_type tx_mem_queue_type;
+
+	/* Indicate there are Tx packets pushed to the device and wait for db */
+	bool pkts_without_db;
+
 	/* Holds the empty requests for TX/RX OOO completions */
 	union {
 		uint16_t *empty_tx_reqs;
@@ -89,10 +112,11 @@ struct ena_ring {
 
 	union {
 		struct ena_tx_buffer *tx_buffer_info; /* contex of tx packet */
-		struct rte_mbuf **rx_buffer_info; /* contex of rx packet */
+		struct ena_rx_buffer *rx_buffer_info; /* contex of rx packet */
 	};
 	struct rte_mbuf **rx_refill_buffer;
 	unsigned int ring_size; /* number of tx/rx_buffer_info's entries */
+	unsigned int size_mask;
 
 	struct ena_com_io_cq *ena_com_io_cq;
 	struct ena_com_io_sq *ena_com_io_sq;
@@ -113,6 +137,8 @@ struct ena_ring {
 	uint64_t offloads;
 	u16 sgl_size;
 
+	bool disable_meta_caching;
+
 	union {
 		struct ena_stats_rx rx_stats;
 		struct ena_stats_tx tx_stats;
@@ -149,6 +175,32 @@ struct ena_stats_dev {
 	u64 tx_drops;
 };
 
+struct ena_stats_eni {
+	/*
+	 * The number of packets shaped due to inbound aggregate BW
+	 * allowance being exceeded
+	 */
+	uint64_t bw_in_allowance_exceeded;
+	/*
+	 * The number of packets shaped due to outbound aggregate BW
+	 * allowance being exceeded
+	 */
+	uint64_t bw_out_allowance_exceeded;
+	/* The number of packets shaped due to PPS allowance being exceeded */
+	uint64_t pps_allowance_exceeded;
+	/*
+	 * The number of packets shaped due to connection tracking
+	 * allowance being exceeded and leading to failure in establishment
+	 * of new connections
+	 */
+	uint64_t conntrack_allowance_exceeded;
+	/*
+	 * The number of packets shaped due to linklocal packet rate
+	 * allowance being exceeded
+	 */
+	uint64_t linklocal_allowance_exceeded;
+};
+
 struct ena_offloads {
 	bool tso4_supported;
 	bool tx_csum_supported;
@@ -178,6 +230,13 @@ struct ena_adapter {
 	u16 max_mtu;
 	struct ena_offloads offloads;
 
+	/* The admin queue isn't protected by the lock and is used to
+	 * retrieve statistics from the device. As there is no guarantee that
+	 * application won't try to get statistics from multiple threads, it is
+	 * safer to lock the queue to avoid admin queue failure.
+	 */
+	rte_spinlock_t admin_lock;
+
 	int id_number;
 	char name[ENA_NAME_MAX_LEN];
 	u8 mac_addr[RTE_ETHER_ADDR_LEN];
@@ -202,6 +261,7 @@ struct ena_adapter {
 	uint64_t keep_alive_timeout;
 
 	struct ena_stats_dev dev_stats;
+	struct ena_stats_eni eni_stats;
 
 	bool trigger_reset;