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| author |   Christian Lamparter <chunkeey@gmail.com> | 2018-04-19 18:41:51 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-04-28 16:09:39 +0800 |
| commit | a8d79d7bfb14f471914017103ee2329a74e5e89d (patch) | |
| tree | 09b8ab254f2db3d37beb19781533dcbeb58b513d /drivers/crypto/amcc/crypto4xx_core.c | |
| parent | crypto: cavium - Remove unnecessary parentheses (diff) | |
| download | wireguard-linux-a8d79d7bfb14f471914017103ee2329a74e5e89d.tar.xz wireguard-linux-a8d79d7bfb14f471914017103ee2329a74e5e89d.zip | |
crypto: crypto4xx - performance optimizations
This patch provides a cheap 2MiB/s+ (~ 6%) performance
improvement over the current code. This is because the
compiler can now optimize several endian swap memcpy.
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_core.c')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_core.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_core.c b/drivers/crypto/amcc/crypto4xx_core.c index 76f459ad2821..5a0a4c157700 100644 --- a/drivers/crypto/amcc/crypto4xx_core.c +++ b/drivers/crypto/amcc/crypto4xx_core.c @@ -580,7 +580,7 @@ static void crypto4xx_aead_done(struct crypto4xx_device *dev, struct scatterlist *dst = pd_uinfo->dest_va; size_t cp_len = crypto_aead_authsize( crypto_aead_reqtfm(aead_req)); - u32 icv[cp_len]; + u32 icv[AES_BLOCK_SIZE]; int err = 0; if (pd_uinfo->using_sd) { @@ -595,7 +595,7 @@ static void crypto4xx_aead_done(struct crypto4xx_device *dev, if (pd_uinfo->sa_va->sa_command_0.bf.dir == DIR_OUTBOUND) { /* append icv at the end */ crypto4xx_memcpy_from_le32(icv, pd_uinfo->sr_va->save_digest, - cp_len); + sizeof(icv)); scatterwalk_map_and_copy(icv, dst, aead_req->cryptlen, cp_len, 1); @@ -605,7 +605,7 @@ static void crypto4xx_aead_done(struct crypto4xx_device *dev, aead_req->assoclen + aead_req->cryptlen - cp_len, cp_len, 0); - crypto4xx_memcpy_from_le32(icv, icv, cp_len); + crypto4xx_memcpy_from_le32(icv, icv, sizeof(icv)); if (crypto_memneq(icv, pd_uinfo->sr_va->save_digest, cp_len)) err = -EBADMSG; @@ -1122,8 +1122,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = { .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_IV_SIZE, .setkey = crypto4xx_setkey_aes_cbc, - .encrypt = crypto4xx_encrypt, - .decrypt = crypto4xx_decrypt, + .encrypt = crypto4xx_encrypt_iv, + .decrypt = crypto4xx_decrypt_iv, } } }}, @@ -1146,8 +1146,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = { .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_IV_SIZE, .setkey = crypto4xx_setkey_aes_cfb, - .encrypt = crypto4xx_encrypt, - .decrypt = crypto4xx_decrypt, + .encrypt = crypto4xx_encrypt_iv, + .decrypt = crypto4xx_decrypt_iv, } } } }, @@ -1195,8 +1195,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = { .min_keysize = AES_MIN_KEY_SIZE, .max_keysize = AES_MAX_KEY_SIZE, .setkey = crypto4xx_setkey_aes_ecb, - .encrypt = crypto4xx_encrypt, - .decrypt = crypto4xx_decrypt, + .encrypt = crypto4xx_encrypt_noiv, + .decrypt = crypto4xx_decrypt_noiv, } } } }, @@ -1219,8 +1219,8 @@ static struct crypto4xx_alg_common crypto4xx_alg[] = { .max_keysize = AES_MAX_KEY_SIZE, .ivsize = AES_IV_SIZE, .setkey = crypto4xx_setkey_aes_ofb, - .encrypt = crypto4xx_encrypt, - .decrypt = crypto4xx_decrypt, + .encrypt = crypto4xx_encrypt_iv, + .decrypt = crypto4xx_decrypt_iv, } } } }, |