[12/17] crypto/octeontx: support truncated digest size

Message ID 20221220143232.2519650-13-ktejasree@marvell.com (mailing list archive)
State Accepted, archived
Delegated to: akhil goyal
Headers
Series fixes and improvements to cnxk crytpo PMD |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Tejasree Kondoj Dec. 20, 2022, 2:32 p.m. UTC
  Support truncated digest size for auth only mode.

Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
---
 drivers/common/cpt/cpt_ucode.h                | 17 ++++---
 .../octeontx/otx_cryptodev_capabilities.c     | 48 +++++++++----------
 2 files changed, 34 insertions(+), 31 deletions(-)
  

Patch

diff --git a/drivers/common/cpt/cpt_ucode.h b/drivers/common/cpt/cpt_ucode.h
index 22aabab6ac..b393be4cf6 100644
--- a/drivers/common/cpt/cpt_ucode.h
+++ b/drivers/common/cpt/cpt_ucode.h
@@ -41,30 +41,33 @@  cpt_mac_len_verify(struct rte_crypto_auth_xform *auth)
 	uint16_t mac_len = auth->digest_length;
 	int ret;
 
+	if ((auth->algo != RTE_CRYPTO_AUTH_NULL) && (mac_len == 0))
+		return -1;
+
 	switch (auth->algo) {
 	case RTE_CRYPTO_AUTH_MD5:
 	case RTE_CRYPTO_AUTH_MD5_HMAC:
-		ret = (mac_len == 16) ? 0 : -1;
+		ret = (mac_len <= 16) ? 0 : -1;
 		break;
 	case RTE_CRYPTO_AUTH_SHA1:
 	case RTE_CRYPTO_AUTH_SHA1_HMAC:
-		ret = (mac_len == 20) ? 0 : -1;
+		ret = (mac_len <= 20) ? 0 : -1;
 		break;
 	case RTE_CRYPTO_AUTH_SHA224:
 	case RTE_CRYPTO_AUTH_SHA224_HMAC:
-		ret = (mac_len == 28) ? 0 : -1;
+		ret = (mac_len <= 28) ? 0 : -1;
 		break;
 	case RTE_CRYPTO_AUTH_SHA256:
 	case RTE_CRYPTO_AUTH_SHA256_HMAC:
-		ret = (mac_len == 32) ? 0 : -1;
+		ret = (mac_len <= 32) ? 0 : -1;
 		break;
 	case RTE_CRYPTO_AUTH_SHA384:
 	case RTE_CRYPTO_AUTH_SHA384_HMAC:
-		ret = (mac_len == 48) ? 0 : -1;
+		ret = (mac_len <= 48) ? 0 : -1;
 		break;
 	case RTE_CRYPTO_AUTH_SHA512:
 	case RTE_CRYPTO_AUTH_SHA512_HMAC:
-		ret = (mac_len == 64) ? 0 : -1;
+		ret = (mac_len <= 64) ? 0 : -1;
 		break;
 	case RTE_CRYPTO_AUTH_NULL:
 		ret = 0;
@@ -523,7 +526,7 @@  cpt_digest_gen_prep(uint32_t flags,
 
 	/*GP op header */
 	vq_cmd_w0.s.opcode.minor = 0;
-	vq_cmd_w0.s.param2 = ((uint16_t)hash_type << 8);
+	vq_cmd_w0.s.param2 = ((uint16_t)hash_type << 8) | mac_len;
 	if (ctx->hmac) {
 		vq_cmd_w0.s.opcode.major = CPT_MAJOR_OP_HMAC | CPT_DMA_MODE;
 		vq_cmd_w0.s.param1 = key_len;
diff --git a/drivers/crypto/octeontx/otx_cryptodev_capabilities.c b/drivers/crypto/octeontx/otx_cryptodev_capabilities.c
index 3f734b232c..80a9fe2123 100644
--- a/drivers/crypto/octeontx/otx_cryptodev_capabilities.c
+++ b/drivers/crypto/octeontx/otx_cryptodev_capabilities.c
@@ -86,9 +86,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 0
 				},
 				.digest_size = {
-					.min = 16,
+					.min = 1,
 					.max = 16,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -106,9 +106,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 8
 				},
 				.digest_size = {
-					.min = 16,
+					.min = 1,
 					.max = 16,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -126,9 +126,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 0
 				},
 				.digest_size = {
-					.min = 20,
+					.min = 1,
 					.max = 20,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -146,9 +146,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 1
 				},
 				.digest_size = {
-					.min = 20,
+					.min = 1,
 					.max = 20,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -166,9 +166,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 0
 				},
 				.digest_size = {
-					.min = 28,
+					.min = 1,
 					.max = 28,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -186,9 +186,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 1
 				},
 				.digest_size = {
-					.min = 28,
+					.min = 1,
 					.max = 28,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -206,9 +206,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 0
 				},
 				.digest_size = {
-					.min = 32,
+					.min = 1,
 					.max = 32,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -226,9 +226,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 1
 				},
 				.digest_size = {
-					.min = 32,
+					.min = 1,
 					.max = 32,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -246,9 +246,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 0
 				},
 				.digest_size = {
-					.min = 48,
+					.min = 1,
 					.max = 48,
-					.increment = 0
+					.increment = 1
 					},
 			}, }
 		}, }
@@ -266,9 +266,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 1
 				},
 				.digest_size = {
-					.min = 48,
+					.min = 1,
 					.max = 48,
-					.increment = 0
+					.increment = 1
 					},
 			}, }
 		}, }
@@ -286,9 +286,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 0
 				},
 				.digest_size = {
-					.min = 64,
+					.min = 1,
 					.max = 64,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }
@@ -306,9 +306,9 @@  static const struct rte_cryptodev_capabilities otx_sym_capabilities[] = {
 					.increment = 1
 				},
 				.digest_size = {
-					.min = 64,
+					.min = 1,
 					.max = 64,
-					.increment = 0
+					.increment = 1
 				},
 			}, }
 		}, }