net: dec: de2104x: Increase receive ring size for Tulip

Increase Rx ring size to address issue where hardware is reaching
the receive work limit.

Before:

[  102.223342] de2104x 0000:17:00.0 eth0: rx work limit reached
[  102.245695] de2104x 0000:17:00.0 eth0: rx work limit reached
[  102.251387] de2104x 0000:17:00.0 eth0: rx work limit reached
[  102.267444] de2104x 0000:17:00.0 eth0: rx work limit reached

Signed-off-by: Lucy Yan <lucyyan@google.com>
Reviewed-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/dec/tulip/de2104x.c b/drivers/net/ethernet/dec/tulip/de2104x.c
index cb116b5..2610efe 100644 (file)
--- a/drivers/net/ethernet/dec/tulip/de2104x.c
+++ b/drivers/net/ethernet/dec/tulip/de2104x.c
@@ -85,7 +85,7 @@ MODULE_PARM_DESC (rx_copybreak, "de2104x Breakpoint at which Rx packets are copi
 #define DSL                    CONFIG_DE2104X_DSL
 #endif
 
-#define DE_RX_RING_SIZE                64
+#define DE_RX_RING_SIZE                128
 #define DE_TX_RING_SIZE                64
 #define DE_RING_BYTES          \
                ((sizeof(struct de_desc) * DE_RX_RING_SIZE) +   \