2007-08-22 03:49:26

by Divy Le ray

[permalink] [raw]
Subject: [PATCH 1/11 RESEND] cxgb3 - Update rx coalescing length

From: Divy Le Ray <[email protected]>

Reduce Rx coalescing length to 12288
Large bursts from the adapter to the host create back pressure
on the chip. Reducing the burst size avoids the issue.

Signed-off-by: Divy Le Ray <[email protected]>
---

drivers/net/cxgb3/common.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index c46c249..55922ed 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -104,7 +104,7 @@ enum {
PROTO_SRAM_LINES = 128, /* size of TP sram */
};

-#define MAX_RX_COALESCING_LEN 16224U
+#define MAX_RX_COALESCING_LEN 12288U

enum {
PAUSE_RX = 1 << 0,