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crypto: marvell/cesa - add flag to determine algorithm endianness

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Rather than determining whether we're using a MD5 hash by looking at
the digest size, switch to a cleaner solution using a per-request flag
initialised by the method type.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Russell King 2015-10-18 17:23:40 +01:00 committed by Herbert Xu
parent 4c2b130c8a
commit a9eb678f8a
2 changed files with 10 additions and 8 deletions
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1
drivers/crypto/marvell/cesa.h
View File

@ -612,6 +612,7 @@ struct mv_cesa_ahash_req {
u64 len;
int src_nents;
bool last_req;
bool algo_le;
u32 state[8];
};

17
drivers/crypto/marvell/hash.c
View File

@ -351,7 +351,7 @@ static int mv_cesa_ahash_process(struct crypto_async_request *req, u32 status)
* Hardware's MD5 digest is in little endian format, but
* SHA in big endian format
*/
if (digsize == MD5_DIGEST_SIZE) {
if (creq->algo_le) {
__le32 *result = (void *)ahashreq->result;
for (i = 0; i < digsize / 4; i++)
@ -407,7 +407,7 @@ static const struct mv_cesa_req_ops mv_cesa_ahash_req_ops = {
};
static int mv_cesa_ahash_init(struct ahash_request *req,
struct mv_cesa_op_ctx *tmpl)
struct mv_cesa_op_ctx *tmpl, bool algo_le)
{
struct mv_cesa_ahash_req *creq = ahash_request_ctx(req);
@ -421,6 +421,7 @@ static int mv_cesa_ahash_init(struct ahash_request *req,
mv_cesa_set_mac_op_frag_len(tmpl, 0);
creq->op_tmpl = *tmpl;
creq->len = 0;
creq->algo_le = algo_le;
return 0;
}
@ -863,7 +864,7 @@ static int mv_cesa_md5_init(struct ahash_request *req)
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_MD5);
mv_cesa_ahash_init(req, &tmpl);
mv_cesa_ahash_init(req, &tmpl, true);
return 0;
}
@ -926,7 +927,7 @@ static int mv_cesa_sha1_init(struct ahash_request *req)
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA1);
mv_cesa_ahash_init(req, &tmpl);
mv_cesa_ahash_init(req, &tmpl, false);
return 0;
}
@ -989,7 +990,7 @@ static int mv_cesa_sha256_init(struct ahash_request *req)
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_SHA256);
mv_cesa_ahash_init(req, &tmpl);
mv_cesa_ahash_init(req, &tmpl, false);
return 0;
}
@ -1220,7 +1221,7 @@ static int mv_cesa_ahmac_md5_init(struct ahash_request *req)
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_HMAC_MD5);
memcpy(tmpl.ctx.hash.iv, ctx->iv, sizeof(ctx->iv));
mv_cesa_ahash_init(req, &tmpl);
mv_cesa_ahash_init(req, &tmpl, true);
return 0;
}
@ -1290,7 +1291,7 @@ static int mv_cesa_ahmac_sha1_init(struct ahash_request *req)
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_HMAC_SHA1);
memcpy(tmpl.ctx.hash.iv, ctx->iv, sizeof(ctx->iv));
mv_cesa_ahash_init(req, &tmpl);
mv_cesa_ahash_init(req, &tmpl, false);
return 0;
}
@ -1380,7 +1381,7 @@ static int mv_cesa_ahmac_sha256_init(struct ahash_request *req)
mv_cesa_set_op_cfg(&tmpl, CESA_SA_DESC_CFG_MACM_HMAC_SHA256);
memcpy(tmpl.ctx.hash.iv, ctx->iv, sizeof(ctx->iv));
mv_cesa_ahash_init(req, &tmpl);
mv_cesa_ahash_init(req, &tmpl, false);
return 0;
}