net: ena: Change initial rx_usec interval

For the purpose of obtaining better CPU utilization,
minimum rx moderation interval is set to 20 usec.

Signed-off-by: Osama Abboud <[email protected]>
Signed-off-by: David Arinzon <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: davidarinzon

drivers/net/ethernet/amazon/ena/ena_com.h

@@ -47,7 +47,7 @@
 /* ENA adaptive interrupt moderation settings */
 
 #define ENA_INTR_INITIAL_TX_INTERVAL_USECS 64
-#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 0
+#define ENA_INTR_INITIAL_RX_INTERVAL_USECS 20
 #define ENA_DEFAULT_INTR_DELAY_RESOLUTION 1
 
 #define ENA_HASH_KEY_SIZE 40