netdev - [PATCH] net: ucc_geth, increase no. of HW RX descriptors

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Date:	Tue, 25 Oct 2011 15:17:10 +0200
From:	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
To:	Anton Vorontsov <avorontsov@...mvista.com>, netdev@...r.kernel.org
Cc:	Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
Subject: [PATCH] net: ucc_geth, increase no. of HW RX descriptors

In a busy network we see ucc_geth is dropping RX pkgs every now
and then. Increase the first RX queues HW descriptors from
16 to 32 to deal with this.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@...nsmode.se>
---
 drivers/net/ucc_geth.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index fa00935..04e22ff 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -134,7 +134,7 @@ static struct ucc_geth_info ugeth_primary_info = {
 			TX_BD_RING_LEN},

 	.bdRingLenRx = {
-			RX_BD_RING_LEN,
+			RX_BD_RING_LEN*2,
 			RX_BD_RING_LEN,
 			RX_BD_RING_LEN,
 			RX_BD_RING_LEN,
-- 
1.7.3.4

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