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crypto: chcr - Increase priority of AEAD algos. 

templates(gcm,ccm etc) inherit priority value of driver to
calculate its priority. In some cases template priority becomes
 more than driver priority for same algo.
Without this patch we will not be able to use driver authenc algos. It will
be good if it pushed in stable kernel.

Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Harsh Jain 2017-04-10 18:23:58 +05:30 committed by Herbert Xu
parent cd15f1020f
commit e29abda591
2 changed files with 12 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/crypto/chelsio/chcr_algo.c
View File

@ -2673,6 +2673,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_name = "gcm(aes)",
.cra_driver_name = "gcm-aes-chcr",
.cra_blocksize = 1,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_gcm_ctx),
@ -2691,6 +2692,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_name = "rfc4106(gcm(aes))",
.cra_driver_name = "rfc4106-gcm-aes-chcr",
.cra_blocksize = 1,
.cra_priority = CHCR_AEAD_PRIORITY + 1,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_gcm_ctx),
@ -2710,6 +2712,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_name = "ccm(aes)",
.cra_driver_name = "ccm-aes-chcr",
.cra_blocksize = 1,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx),
@ -2728,6 +2731,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_name = "rfc4309(ccm(aes))",
.cra_driver_name = "rfc4309-ccm-aes-chcr",
.cra_blocksize = 1,
.cra_priority = CHCR_AEAD_PRIORITY + 1,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx),
@ -2747,6 +2751,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_driver_name =
"authenc-hmac-sha1-cbc-aes-chcr",
.cra_blocksize = AES_BLOCK_SIZE,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_authenc_ctx),
@ -2768,6 +2773,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_driver_name =
"authenc-hmac-sha256-cbc-aes-chcr",
.cra_blocksize = AES_BLOCK_SIZE,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_authenc_ctx),
@ -2788,6 +2794,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_driver_name =
"authenc-hmac-sha224-cbc-aes-chcr",
.cra_blocksize = AES_BLOCK_SIZE,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_authenc_ctx),
@ -2807,6 +2814,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_driver_name =
"authenc-hmac-sha384-cbc-aes-chcr",
.cra_blocksize = AES_BLOCK_SIZE,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_authenc_ctx),
@ -2827,6 +2835,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_driver_name =
"authenc-hmac-sha512-cbc-aes-chcr",
.cra_blocksize = AES_BLOCK_SIZE,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_authenc_ctx),
@ -2847,6 +2856,7 @@ static struct chcr_alg_template driver_algs[] = {
.cra_driver_name =
"authenc-digest_null-cbc-aes-chcr",
.cra_blocksize = AES_BLOCK_SIZE,
.cra_priority = CHCR_AEAD_PRIORITY,
.cra_ctxsize = sizeof(struct chcr_context) +
sizeof(struct chcr_aead_ctx) +
sizeof(struct chcr_authenc_ctx),
@ -2915,8 +2925,6 @@ static int chcr_register_alg(void)
name = driver_algs[i].alg.crypto.cra_driver_name;
break;
case CRYPTO_ALG_TYPE_AEAD:
driver_algs[i].alg.aead.base.cra_priority =
CHCR_CRA_PRIORITY;
driver_algs[i].alg.aead.base.cra_flags =
CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_ASYNC;
driver_algs[i].alg.aead.encrypt = chcr_aead_encrypt;

4
drivers/crypto/chelsio/chcr_crypto.h
View File

@ -48,8 +48,8 @@
* giving the processed data
*/
#define CHCR_CRA_PRIORITY 3000
#define CHCR_CRA_PRIORITY 500
#define CHCR_AEAD_PRIORITY 6000
#define CHCR_AES_MAX_KEY_LEN (2 * (AES_MAX_KEY_SIZE)) /* consider xts */
#define CHCR_MAX_CRYPTO_IV_LEN 16 /* AES IV len */