[PATCH 109/222] net:fec: increase transmit ring size
Russell King
rmk+kernel at arm.linux.org.uk
Fri Apr 25 04:40:14 PDT 2014
Increasing the transmit ring size allows us to queue more packets before
needing to stop the transmit queue.
Signed-off-by: Russell King <rmk+kernel at arm.linux.org.uk>
---
drivers/net/ethernet/freescale/fec.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 4b92758b51b8..62fe1217b781 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -251,8 +251,8 @@ union bufdesc_u {
#define RX_RING_SIZE (FEC_ENET_RX_FRPPG * FEC_ENET_RX_PAGES)
#define FEC_ENET_TX_FRSIZE 2048
#define FEC_ENET_TX_FRPPG (PAGE_SIZE / FEC_ENET_TX_FRSIZE)
-#define TX_RING_SIZE 16 /* Must be power of two */
-#define TX_RING_MOD_MASK 15 /* for this to work */
+#define TX_RING_SIZE 64 /* Must be power of two */
+#define TX_RING_MOD_MASK 63 /* for this to work */
#define BD_ENET_RX_INT 0x00800000
#define BD_ENET_RX_PTP ((ushort)0x0400)
--
1.8.3.1
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