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crypto: inside-secure - move cipher crypto mode to request context

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The cipher direction can be different for requests within the same
transformation context. This patch moves the direction flag from the
context to the request scope.

Signed-off-by: Ofer Heifetz <[email protected]>
[Antoine: commit message]
Signed-off-by: Antoine Tenart <[email protected]>
Signed-off-by: Herbert Xu <[email protected]>
This commit is contained in:
Ofer Heifetz 2017-12-14 15:26:49 +01:00 • committed by Herbert Xu
commit 847ccfc586
1 changed files with 7 additions and 4 deletions
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11
drivers/crypto/inside-secure/safexcel_cipher.c
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@ -27,7 +27,6 @@ struct safexcel_cipher_ctx {
struct safexcel_context base;
struct safexcel_crypto_priv *priv;
enum safexcel_cipher_direction direction;
u32 mode;
__le32 key[8];
@ -35,6 +34,7 @@ struct safexcel_cipher_ctx {
};
struct safexcel_cipher_req {
enum safexcel_cipher_direction direction;
bool needs_inv;
};
@ -97,12 +97,15 @@ static int safexcel_aes_setkey(struct crypto_skcipher *ctfm, const u8 *key,
}
static int safexcel_context_control(struct safexcel_cipher_ctx *ctx,
struct crypto_async_request *async,
struct safexcel_command_desc *cdesc)
{
struct safexcel_crypto_priv *priv = ctx->priv;
struct skcipher_request *req = skcipher_request_cast(async);
struct safexcel_cipher_req *sreq = skcipher_request_ctx(req);
int ctrl_size;
if (ctx->direction == SAFEXCEL_ENCRYPT)
if (sreq->direction == SAFEXCEL_ENCRYPT)
cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_CRYPTO_OUT;
else
cdesc->control_data.control0 |= CONTEXT_CONTROL_TYPE_CRYPTO_IN;
@ -245,7 +248,7 @@ static int safexcel_aes_send(struct crypto_async_request *async,
n_cdesc++;
if (n_cdesc == 1) {
safexcel_context_control(ctx, cdesc);
safexcel_context_control(ctx, async, cdesc);
safexcel_cipher_token(ctx, async, cdesc, req->cryptlen);
}
@ -469,7 +472,7 @@ static int safexcel_aes(struct skcipher_request *req,
int ret, ring;
sreq->needs_inv = false;
ctx->direction = dir;
sreq->direction = dir;
ctx->mode = mode;
if (ctx->base.ctxr) {