MIPS: lantiq: dma: increase descritor count

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>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

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 31ca9151b539d545c5acecad9c571f5eb329a236..3dee15c61c8ab19e806407e5be2adcbafb0150bf 100644 (file)
--- 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 */