ixgbe: fix initial interrupt throttle settings

ixgbe was incorrectly setting the throttle rate setting for all tx
queues and the driver has been refreshed to better handle a dynamic
interrupt mode as well as multiple queues.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 2b827a6..5ba0384 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -62,11 +62,6 @@
 #define IXGBE_MAX_RXQ				   1
 #define IXGBE_MIN_RXQ				   1
 
-#define IXGBE_DEFAULT_ITR_RX_USECS	    125  /*   8k irqs/sec */
-#define IXGBE_DEFAULT_ITR_TX_USECS	    250  /*   4k irqs/sec */
-#define IXGBE_MIN_ITR_USECS		    100  /* 500k irqs/sec */
-#define IXGBE_MAX_ITR_USECS		  10000  /* 100  irqs/sec */
-
 /* flow control */
 #define IXGBE_DEFAULT_FCRTL		0x10000
 #define IXGBE_MIN_FCRTL			   0x40
@@ -161,10 +156,7 @@
 		   * vector array, can also be used for finding the bit in EICR
 		   * and friends that represents the vector for this ring */
 
-	u32 eims_value;
-	u16 itr_register;
 
-	char name[IFNAMSIZ + 5];
 	u16 work_limit;                /* max work per interrupt */
 	u16 rx_buf_len;
 };
@@ -191,8 +183,8 @@
 	DECLARE_BITMAP(txr_idx, MAX_TX_QUEUES); /* Tx ring indices */
 	u8 rxr_count;     /* Rx ring count assigned to this vector */
 	u8 txr_count;     /* Tx ring count assigned to this vector */
-	u8 tx_eitr;
-	u8 rx_eitr;
+	u8 tx_itr;
+	u8 rx_itr;
 	u32 eitr;
 };
 
@@ -240,7 +232,9 @@
 
 	/* TX */
 	struct ixgbe_ring *tx_ring;	/* One per active queue */
+	int num_tx_queues;
 	u64 restart_queue;
+	u64 hw_csum_tx_good;
 	u64 lsc_int;
 	u64 hw_tso_ctxt;
 	u64 hw_tso6_ctxt;
@@ -249,12 +243,10 @@
 
 	/* RX */
 	struct ixgbe_ring *rx_ring;	/* One per active queue */
-	u64 hw_csum_tx_good;
+	int num_rx_queues;
 	u64 hw_csum_rx_error;
 	u64 hw_csum_rx_good;
 	u64 non_eop_descs;
-	int num_tx_queues;
-	int num_rx_queues;
 	int num_msix_vectors;
 	struct ixgbe_ring_feature ring_feature[3];
 	struct msix_entry *msix_entries;
@@ -301,14 +293,15 @@
 	struct ixgbe_hw_stats stats;
 
 	/* Interrupt Throttle Rate */
-	u32 rx_eitr;
-	u32 tx_eitr;
+	u32 eitr_param;
 
 	unsigned long state;
 	u64 tx_busy;
 	u64 lro_aggregated;
 	u64 lro_flushed;
 	u64 lro_no_desc;
+	unsigned int tx_ring_count;
+	unsigned int rx_ring_count;
 
 	u32 link_speed;
 	bool link_up;