commit f0be44f4fb1faee42635ca5ea06dc9c3e820a35d
author David McCullough <david_mccullough@mcafee.com> Fri Sep 07 04:17:02 2012 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> Fri Sep 07 04:17:02 2012 +0800
tree 866c6016f7153ddff778a5eda036934e7eb426ac
parent 956c203c5e370c7beb766400b5c1a32ec570ce96

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>

arch/arm/crypto/Makefile

diff --git a/arch/arm/crypto/Makefile b/arch/arm/crypto/Makefile
new file mode 100644
index 0000000..a2c8385
--- /dev/null
+++ 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