Openwrt/target/linux/generic/backport-5.10/083-wireguard-kconfig-use-arm-chacha-even-with-no-neon.patch

31 lines
1.2 KiB
Diff

From 514091206bc055a159348ae8575276dc925aea24 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Mon, 22 Feb 2021 17:25:49 +0100
Subject: [PATCH] wireguard: kconfig: use arm chacha even with no neon
commit bce2473927af8de12ad131a743f55d69d358c0b9 upstream.
The condition here was incorrect: a non-neon fallback implementation is
available on arm32 when NEON is not supported.
Reported-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
drivers/net/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -87,7 +87,7 @@ config WIREGUARD
select CRYPTO_CURVE25519_X86 if X86 && 64BIT
select ARM_CRYPTO if ARM
select ARM64_CRYPTO if ARM64
- select CRYPTO_CHACHA20_NEON if (ARM || ARM64) && KERNEL_MODE_NEON
+ select CRYPTO_CHACHA20_NEON if ARM || (ARM64 && KERNEL_MODE_NEON)
select CRYPTO_POLY1305_NEON if ARM64 && KERNEL_MODE_NEON
select CRYPTO_POLY1305_ARM if ARM
select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON