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>

1 files changed, 8 insertions, 15 deletions

diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 2b827a67c9c5..5ba03845c3e3 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 @@ struct ixgbe_ring {
                    * 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 @@ struct ixgbe_q_vector {
         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 @@ struct ixgbe_adapter {
 
         /* 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 @@ struct ixgbe_adapter {
 
         /* 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_adapter {
         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;