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-rw-r--r--target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
index 898bde1d25..a712812916 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
@@ -40,7 +40,12 @@
#define AG71XX_DRV_NAME "ag71xx"
#define AG71XX_DRV_VERSION "0.5.35"
-#define AG71XX_NAPI_WEIGHT 64
+/*
+ * For our NAPI weight bigger does *NOT* mean better - it means more
+ * D-cache misses and lots more wasted cycles than we'll ever
+ * possibly gain from saving instructions.
+ */
+#define AG71XX_NAPI_WEIGHT 32
#define AG71XX_OOM_REFILL (1 + HZ/10)
#define AG71XX_INT_ERR (AG71XX_INT_RX_BE | AG71XX_INT_TX_BE)