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Diffstat (limited to 'drivers/net/vxge/vxge-main.h')
-rw-r--r--drivers/net/vxge/vxge-main.h23
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h
index 5746fedc356..40474f0da57 100644
--- a/drivers/net/vxge/vxge-main.h
+++ b/drivers/net/vxge/vxge-main.h
@@ -59,11 +59,13 @@
#define VXGE_TTI_LTIMER_VAL 1000
#define VXGE_T1A_TTI_LTIMER_VAL 80
#define VXGE_TTI_RTIMER_VAL 0
+#define VXGE_TTI_RTIMER_ADAPT_VAL 10
#define VXGE_T1A_TTI_RTIMER_VAL 400
#define VXGE_RTI_BTIMER_VAL 250
#define VXGE_RTI_LTIMER_VAL 100
#define VXGE_RTI_RTIMER_VAL 0
-#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
+#define VXGE_RTI_RTIMER_ADAPT_VAL 15
+#define VXGE_FIFO_INDICATE_MAX_PKTS VXGE_DEF_FIFO_LENGTH
#define VXGE_ISR_POLLING_CNT 8
#define VXGE_MAX_CONFIG_DEV 0xFF
#define VXGE_EXEC_MODE_DISABLE 0
@@ -107,6 +109,14 @@
#define RTI_T1A_RX_UFC_C 50
#define RTI_T1A_RX_UFC_D 60
+/*
+ * The interrupt rate is maintained at 3k per second with the moderation
+ * parameters for most traffic but not all. This is the maximum interrupt
+ * count allowed per function with INTA or per vector in the case of
+ * MSI-X in a 10 millisecond time period. Enabled only for Titan 1A.
+ */
+#define VXGE_T1A_MAX_INTERRUPT_COUNT 100
+#define VXGE_T1A_MAX_TX_INTERRUPT_COUNT 200
/* Milli secs timer period */
#define VXGE_TIMER_DELAY 10000
@@ -247,6 +257,11 @@ struct vxge_fifo {
int tx_steering_type;
int indicate_max_pkts;
+ /* Adaptive interrupt moderation parameters used in T1A */
+ unsigned long interrupt_count;
+ unsigned long jiffies;
+
+ u32 tx_vector_no;
/* Tx stats */
struct vxge_fifo_stats stats;
} ____cacheline_aligned;
@@ -271,6 +286,10 @@ struct vxge_ring {
*/
int driver_id;
+ /* Adaptive interrupt moderation parameters used in T1A */
+ unsigned long interrupt_count;
+ unsigned long jiffies;
+
/* copy of the flag indicating whether rx_csum is to be used */
u32 rx_csum:1,
rx_hwts:1;
@@ -286,7 +305,7 @@ struct vxge_ring {
int vlan_tag_strip;
struct vlan_group *vlgrp;
- int rx_vector_no;
+ u32 rx_vector_no;
enum vxge_hw_status last_status;
/* Rx stats */