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    Subject[PATCH 01/10] crypto: aead - allow to allocate AEAD requests on the stack
    Date
    Adds the AEAD_REQUEST_ON_STACK primitive to allow allocating AEAD
    requests on the stack, as it can already be done with various other
    crypto algorithms within the kernel.

    Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
    ---
    include/crypto/aead.h | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/include/crypto/aead.h b/include/crypto/aead.h
    index 1e26f790b03f..b67064786546 100644
    --- a/include/crypto/aead.h
    +++ b/include/crypto/aead.h
    @@ -151,6 +151,11 @@ struct aead_alg {
    struct crypto_alg base;
    };

    +#define AEAD_REQUEST_ON_STACK(name, tfm) \
    + char __##name##_desc[sizeof(struct aead_request) + \
    + crypto_aead_reqsize(tfm)] CRYPTO_MINALIGN_ATTR; \
    + struct aead_request *name = (void *)__##name##_desc
    +
    struct crypto_aead {
    unsigned int authsize;
    unsigned int reqsize;
    --
    2.17.0
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