Commit fdb246f5 authored Oct 18, 2010 by Michael Chan Committed by David S. Miller Oct 21, 2010

bnx2: Increase max rx ring size from 1K to 2K



A number of customers are reporting packet loss under certain workloads
(e.g. heavy bursts of small packets) with flow control disabled.  A larger
rx ring helps to prevent these losses.

No change in default rx ring size and memory consumption.

Signed-off-by: Andy Gospodarek <andy@greyhouse.net>
Acked-by: John Feeney <jfeeney@redhat.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 3511c913

drivers/net/bnx2.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -6502,8 +6502,8 @@ struct l2_fhdr {
		#define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct tx_bd))
		#define MAX_TX_DESC_CNT (TX_DESC_CNT - 1)

		#define MAX_RX_RINGS 4
		#define MAX_RX_PG_RINGS 16
		#define MAX_RX_RINGS 8
		#define MAX_RX_PG_RINGS 32
		#define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct rx_bd))
		#define MAX_RX_DESC_CNT (RX_DESC_CNT - 1)
		#define MAX_TOTAL_RX_DESC_CNT (MAX_RX_DESC_CNT * MAX_RX_RINGS)

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