netdev - [PATCH v2 10/10] ftgmac100: Set default ring sizes to 128 entries

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Message-Id: <20170412032710.17546-11-benh@kernel.crashing.org>
Date:   Wed, 12 Apr 2017 13:27:10 +1000
From:   Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:     netdev@...r.kernel.org
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>
Subject: [PATCH v2 10/10] ftgmac100: Set default ring sizes to 128 entries

I haven't seen any improvement above that size on the machines
I've tested with.

Signed-off-by: Benjamin Herrenschmidt <benh@...nel.crashing.org>
---
 drivers/net/ethernet/faraday/ftgmac100.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c
index 0b92bde..796b37e 100644
--- a/drivers/net/ethernet/faraday/ftgmac100.c
+++ b/drivers/net/ethernet/faraday/ftgmac100.c
@@ -45,8 +45,8 @@
 #define MIN_TX_QUEUE_ENTRIES	32
 
 /* Defaults */
-#define DEF_RX_QUEUE_ENTRIES	256
-#define DEF_TX_QUEUE_ENTRIES	512
+#define DEF_RX_QUEUE_ENTRIES	128
+#define DEF_TX_QUEUE_ENTRIES	128
 
 #define MAX_PKT_SIZE		1536
 #define RX_BUF_SIZE		MAX_PKT_SIZE	/* must be smaller than 0x3fff */
-- 
2.9.3