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Commit f0be44f4 authored by David McCullough's avatar David McCullough Committed by Herbert Xu
Browse files

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: default avatarDavid McCullough <ucdevel@gmail.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 956c203c

arch/arm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -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/

arch/arm/crypto/Makefile

0 → 100644
+9 −0
Original line number Diff line number Diff line 
#

# 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