From 5112e9234bbb89f8dd15c983206bd9107b8436d5 Mon Sep 17 00:00:00 2001 From: Aleksander Jan Bajkowski 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 Signed-off-by: Jakub Kicinski --- 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 */