[ofa-general] [PATCH] IB/ipoib: increase ring sizes

[Eli Cohen]

>From b1ec82e65173556919f0e0f728af520e41bdbd5b Mon Sep 17 00:00:00 2001
From: Eli Cohen <eli at mellanox.co.il>
Date: Mon, 26 May 2008 10:19:16 +0300
Subject: [PATCH] IB/ipoib: increase ring sizes

Increase IPoIB ring sizes to twice the original size to act as
a shock observer for high traffic picks.

Signed-off-by: Eli Cohen <eli at mellanox.co.il>
---
 drivers/infiniband/ulp/ipoib/ipoib.h |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 2b6f60b..c49fc09 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -65,8 +65,8 @@ enum {
 	IPOIB_CM_BUF_SIZE	  = IPOIB_CM_MTU  + IPOIB_ENCAP_LEN,
 	IPOIB_CM_HEAD_SIZE	  = IPOIB_CM_BUF_SIZE % PAGE_SIZE,
 	IPOIB_CM_RX_SG		  = ALIGN(IPOIB_CM_BUF_SIZE, PAGE_SIZE) / PAGE_SIZE,
-	IPOIB_RX_RING_SIZE	  = 128,
-	IPOIB_TX_RING_SIZE	  = 64,
+	IPOIB_RX_RING_SIZE	  = 256,
+	IPOIB_TX_RING_SIZE	  = 128,
 	IPOIB_MAX_QUEUE_SIZE	  = 8192,
 	IPOIB_MIN_QUEUE_SIZE	  = 2,
 	IPOIB_CM_MAX_CONN_QP	  = 4096,
-- 
1.5.5.1