cxgb3 - Update rx coalescing length
authorDivy Le Ray <divy@chelsio.com>
Wed, 22 Aug 2007 03:49:05 +0000 (20:49 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Wed, 10 Oct 2007 23:50:47 +0000 (16:50 -0700)
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 <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
drivers/net/cxgb3/common.h

index 1746003eb46a4c5bf50dda0fceb34a78d316f46a..d6c77607a114b46bb82c8f9eda5b0fbd167223c6 100644 (file)
@@ -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,