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[PATCH 1/11 RESEND] cxgb3 - Update rx coalescing length

From: Divy Le Ray <hidden>
Date: 2007-08-22 03:49:26
Also in: lkml
Subsystem: networking drivers, the rest · Maintainers: Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Divy Le Ray <redacted>

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 <redacted>
---

 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,
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