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c46621b3f3
The skb->len field is read after the packet is sent to the network stack. In the meantime, skb can be freed. This patch fixes this bug. Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
29 lines
991 B
Diff
29 lines
991 B
Diff
From 5112e9234bbb89f8dd15c983206bd9107b8436d5 Mon Sep 17 00:00:00 2001
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From: Aleksander Jan Bajkowski <olek2@wp.pl>
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Date: Tue, 4 Jan 2022 16:11:42 +0100
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Subject: [PATCH 713/715] MIPS: lantiq: dma: increase descritor count
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NAT Performance results on BT Home Hub 5A (kernel 5.10.89, mtu 1500):
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Down Up
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Before 539 Mbps 599 Mbps
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After 545 Mbps 625 Mbps
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Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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arch/mips/include/asm/mach-lantiq/xway/xway_dma.h | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
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+++ b/arch/mips/include/asm/mach-lantiq/xway/xway_dma.h
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@@ -8,7 +8,7 @@
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#define LTQ_DMA_H__
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#define LTQ_DESC_SIZE 0x08 /* each descriptor is 64bit */
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-#define LTQ_DESC_NUM 0x40 /* 64 descriptors / channel */
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+#define LTQ_DESC_NUM 0xC0 /* 192 descriptors / channel */
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#define LTQ_DMA_OWN BIT(31) /* owner bit */
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#define LTQ_DMA_C BIT(30) /* complete bit */
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