netdev - [PATCH net 5/5] bnxt_en: Reduce default ring sizes.

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Message-Id: <1455143630-30140-6-git-send-email-mchan@broadcom.com>
Date:	Wed, 10 Feb 2016 17:33:50 -0500
From:	Michael Chan <mchan@...adcom.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org
Subject: [PATCH net 5/5] bnxt_en: Reduce default ring sizes.

The current default tx ring size of 512 causes an extra page to be
allocated for the tx ring with only 1 entry in it.  Reduce it to
511.  The default rx ring size is also reduced to 511 to use less
memory by default.

Signed-off-by: Michael Chan <mchan@...adcom.com>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index 9b4866c..2be51b3 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -411,8 +411,8 @@ struct rx_tpa_end_cmp_ext {

 #define BNXT_NUM_TESTS(bp)	0

-#define BNXT_DEFAULT_RX_RING_SIZE	1023
-#define BNXT_DEFAULT_TX_RING_SIZE	512
+#define BNXT_DEFAULT_RX_RING_SIZE	511
+#define BNXT_DEFAULT_TX_RING_SIZE	511

 #define MAX_TPA		64

-- 
1.8.3.1