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

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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>
This commit is contained in:
Michael Chan 2010-10-18 14:30:54 +00:00 committed by David S. Miller
parent 3511c9132f
commit fdb246f526
1 changed files with 2 additions and 2 deletions
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4
drivers/net/bnx2.h
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@ -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)