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kernel: build neon-asm version of ghash module

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This alone improves AES-GCM performance by up to 50% on ipq40xx.  This
is enabled for targets that support neon and set CONFIG_ARM_CRYPTO:
imx6, ipq40xx, and mvebu.

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
This commit is contained in:
Eneas U de Queiroz 2020-02-24 09:59:38 -03:00 committed by Christian Lamparter
parent 13b8404b1e
commit 285df63efc
1 changed files with 12 additions and 1 deletions
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13
package/kernel/linux/modules/crypto.mk
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@ -266,12 +266,23 @@ $(eval $(call KernelPackage,crypto-gf128))
define KernelPackage/crypto-ghash
TITLE:=GHASH digest CryptoAPI module
DEPENDS:=+kmod-crypto-gf128 +kmod-crypto-hash
KCONFIG:=CONFIG_CRYPTO_GHASH
KCONFIG:= \
CONFIG_CRYPTO_GHASH \
CONFIG_CRYPTO_GHASH_ARM_CE
FILES:=$(LINUX_DIR)/crypto/ghash-generic.ko
AUTOLOAD:=$(call AutoLoad,09,ghash-generic)
$(call AddDepends/crypto)
endef
define KernelPackage/crypto-ghash/arm-ce
FILES+= $(LINUX_DIR)/arch/arm/crypto/ghash-arm-ce.ko
AUTOLOAD+=$(call AutoLoad,09,ghash-arm-ce)
endef
KernelPackage/crypto-ghash/imx6=$(KernelPackage/crypto-ghash/arm-ce)
KernelPackage/crypto-ghash/ipq40xx=$(KernelPackage/crypto-ghash/arm-ce)
KernelPackage/crypto-ghash/mvebu=$(KernelPackage/crypto-ghash/arm-ce)
$(eval $(call KernelPackage,crypto-ghash))