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crypto: omap-aes - Add fallback support

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As setting up the DMA operations is quite costly, add software fallback
support for requests smaller than 200 bytes. This change gives some 10%
extra performance in ipsec use case.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
[t-kristo@ti.com: udpated against latest upstream, to use skcipher mainly]
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Lokesh Vutla
2016-08-04 13:28:44 +03:00
committed by Herbert Xu
parent 164f3ef301
commit 9fcb191a84
2 changed files with 52 additions and 4 deletions
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3
drivers/crypto/Kconfig
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@@ -318,6 +318,9 @@ config CRYPTO_DEV_OMAP_AES
select CRYPTO_AES
select CRYPTO_BLKCIPHER
select CRYPTO_ENGINE
select CRYPTO_CBC
select CRYPTO_ECB
select CRYPTO_CTR
help
OMAP processors have AES module accelerator. Select this if you
want to use the OMAP module for AES algorithms.