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[net-next,1/3] MIPS: lantiq: dma: increase descritor count

Message ID 20220104151144.181736-2-olek2@wp.pl (mailing list archive)
State Not Applicable
Headers show
Series net: lantiq_xrx200: improve ethernet performance | expand

Commit Message

Aleksander Jan Bajkowski Jan. 4, 2022, 3:11 p.m. UTC 
NAT Performance results on BT Home Hub 5A (kernel 5.10.89, mtu 1500):

	Down		Up
Before	539 Mbps	599 Mbps
After	545 Mbps	625 Mbps

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
---
 arch/mips/include/asm/mach-lantiq/xway/xway_dma.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
index 31ca9151b539..3dee15c61c8a 100644
--- a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
+++ b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
@@ -8,7 +8,7 @@ 
 #define LTQ_DMA_H__
 
 #define LTQ_DESC_SIZE		0x08	/* each descriptor is 64bit */
-#define LTQ_DESC_NUM		0x40	/* 64 descriptors / channel */
+#define LTQ_DESC_NUM		0xC0	/* 192 descriptors / channel */
 
 #define LTQ_DMA_OWN		BIT(31) /* owner bit */
 #define LTQ_DMA_C		BIT(30) /* complete bit */