arm/crypto: Add optimized AES and SHA1 routines

Add assembler versions of AES and SHA1 for ARM platforms. This has provided up to a 50% improvement in IPsec/TCP throughout for tunnels using AES128/SHA1. Platform CPU SPeed Endian Before (bps) After (bps) Improvement IXP425 533 MHz big 11217042 15566294 ~38% KS8695 166 MHz little 3828549 5795373 ~51% Signed-off-by: David McCullough <ucdevel@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
git-mirror · Sep 6, 2012 · f0be44f · f0be44f
1 parent 956c203
commit f0be44f
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diff --git a/arch/arm/Makefile b/arch/arm/Makefile
@@ -255,6 +255,7 @@ core-$(CONFIG_VFP)		+= arch/arm/vfp/
 # If we have a machine-specific directory, then include it in the build.
 core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
 core-y				+= arch/arm/net/
+core-y				+= arch/arm/crypto/
 core-y				+= $(machdirs) $(platdirs)
 
 drivers-$(CONFIG_OPROFILE)      += arch/arm/oprofile/

diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
@@ -0,0 +1,9 @@
+#
+# Arch-specific CryptoAPI modules.
+#
+
+obj-$(CONFIG_CRYPTO_AES_ARM) += aes-arm.o
+obj-$(CONFIG_CRYPTO_SHA1_ARM) += sha1-arm.o
+
+aes-arm-y  := aes-armv4.o aes_glue.o
+sha1-arm-y := sha1-armv4-large.o sha1_glue.o