From: Felix Fietkau <nbd@openwrt.org>
Date: Mon, 12 Aug 2013 17:26:03 +0000 (+0000)
Subject: ar71xx: ethernet: reduce tx and rx DMA ring size to improve cache footprint
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=58e049ea8087c7c6fee3c0039de175ff8b356215;p=openwrt%2Fstaging%2Fthess.git

ar71xx: ethernet: reduce tx and rx DMA ring size to improve cache footprint

256 entries is a bit excessive, even for gigabit speeds

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 37762
---

diff --git a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
index 6d51e722b0..83607b38bf 100644
--- a/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ethernet/atheros/ag71xx/ag71xx.h
@@ -58,8 +58,8 @@
 #define AG71XX_TX_RING_SIZE_DEFAULT	64
 #define AG71XX_RX_RING_SIZE_DEFAULT	128
 
-#define AG71XX_TX_RING_SIZE_MAX		256
-#define AG71XX_RX_RING_SIZE_MAX		256
+#define AG71XX_TX_RING_SIZE_MAX		128
+#define AG71XX_RX_RING_SIZE_MAX		128
 
 #ifdef CONFIG_AG71XX_DEBUG
 #define DBG(fmt, args...)	pr_debug(fmt, ## args)