crypto: qat - lower priority for skcipher and aead algorithms

Most kernel applications utilizing the crypto API operate synchronously
and on small buffer sizes, therefore do not benefit from QAT acceleration.

Reduce the priority of QAT implementations for both skcipher and aead
algorithms, allowing more suitable alternatives to be selected by default.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Link: https://lore.kernel.org/all/20250613012357.GA3603104@google.com/
Cc: stable@vger.kernel.org
Acked-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/intel/qat/qat_common/qat_algs.c b/drivers/crypto/intel/qat/qat_common/qat_algs.c
index 3c4bba4a87795ee1f800e6207917a1362899aafe..d69cc1e5e0239ecb772f423b40b2ed980ede8565 100644 (file)
--- a/drivers/crypto/intel/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_algs.c
@@ -1277,7 +1277,7 @@ static struct aead_alg qat_aeads[] = { {
        .base = {
                .cra_name = "authenc(hmac(sha1),cbc(aes))",
                .cra_driver_name = "qat_aes_cbc_hmac_sha1",
-               .cra_priority = 4001,
+               .cra_priority = 100,
                .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
                .cra_blocksize = AES_BLOCK_SIZE,
                .cra_ctxsize = sizeof(struct qat_alg_aead_ctx),
@@ -1294,7 +1294,7 @@ static struct aead_alg qat_aeads[] = { {
        .base = {
                .cra_name = "authenc(hmac(sha256),cbc(aes))",
                .cra_driver_name = "qat_aes_cbc_hmac_sha256",
-               .cra_priority = 4001,
+               .cra_priority = 100,
                .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
                .cra_blocksize = AES_BLOCK_SIZE,
                .cra_ctxsize = sizeof(struct qat_alg_aead_ctx),
@@ -1311,7 +1311,7 @@ static struct aead_alg qat_aeads[] = { {
        .base = {
                .cra_name = "authenc(hmac(sha512),cbc(aes))",
                .cra_driver_name = "qat_aes_cbc_hmac_sha512",
-               .cra_priority = 4001,
+               .cra_priority = 100,
                .cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
                .cra_blocksize = AES_BLOCK_SIZE,
                .cra_ctxsize = sizeof(struct qat_alg_aead_ctx),
@@ -1329,7 +1329,7 @@ static struct aead_alg qat_aeads[] = { {
 static struct skcipher_alg qat_skciphers[] = { {
        .base.cra_name = "cbc(aes)",
        .base.cra_driver_name = "qat_aes_cbc",
-       .base.cra_priority = 4001,
+       .base.cra_priority = 100,
        .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
        .base.cra_blocksize = AES_BLOCK_SIZE,
        .base.cra_ctxsize = sizeof(struct qat_alg_skcipher_ctx),
@@ -1347,7 +1347,7 @@ static struct skcipher_alg qat_skciphers[] = { {
 }, {
        .base.cra_name = "ctr(aes)",
        .base.cra_driver_name = "qat_aes_ctr",
-       .base.cra_priority = 4001,
+       .base.cra_priority = 100,
        .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_ALLOCATES_MEMORY,
        .base.cra_blocksize = 1,
        .base.cra_ctxsize = sizeof(struct qat_alg_skcipher_ctx),
@@ -1365,7 +1365,7 @@ static struct skcipher_alg qat_skciphers[] = { {
 }, {
        .base.cra_name = "xts(aes)",
        .base.cra_driver_name = "qat_aes_xts",
-       .base.cra_priority = 4001,
+       .base.cra_priority = 100,
        .base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK |
                          CRYPTO_ALG_ALLOCATES_MEMORY,
        .base.cra_blocksize = AES_BLOCK_SIZE,