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From 5112e9234bbb89f8dd15c983206bd9107b8436d5 Mon Sep 17 00:00:00 2001
From: Aleksander Jan Bajkowski <olek2@wp.pl>
Date: Tue, 4 Jan 2022 16:11:42 +0100
Subject: [PATCH 713/715] 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>
---
arch/mips/include/asm/mach-lantiq/xway/xway_dma.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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 */
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