[dpdk-dev] [PATCH 5/6] crypto/cnxk: update auth key size

Archana Muniganti marchana at marvell.com
Thu Oct 28 18:52:27 CEST 2021


Update auth key size for SHA256_HMAC for cn9k.

Signed-off-by: Archana Muniganti <marchana at marvell.com>
---
 .../crypto/cnxk/cnxk_cryptodev_capabilities.c | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c b/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
index 19d75a63c6..7dbea0b364 100644
--- a/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_capabilities.c
@@ -951,6 +951,26 @@ cn10k_sec_crypto_caps_update(struct rte_cryptodev_capabilities cnxk_caps[],
 	}
 }
 
+static void
+cn9k_sec_crypto_caps_update(struct rte_cryptodev_capabilities cnxk_caps[])
+{
+
+	struct rte_cryptodev_capabilities *caps;
+	int i = 0;
+
+	while ((caps = &cnxk_caps[i++])->op != RTE_CRYPTO_OP_TYPE_UNDEFINED) {
+		if ((caps->op == RTE_CRYPTO_OP_TYPE_SYMMETRIC) &&
+		    (caps->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AUTH) &&
+		    (caps->sym.auth.algo == RTE_CRYPTO_AUTH_SHA256_HMAC)) {
+			caps->sym.auth.key_size.min = 32;
+			caps->sym.auth.key_size.max = 64;
+			caps->sym.auth.key_size.increment = 1;
+
+			break;
+		}
+	}
+}
+
 static void
 sec_crypto_caps_populate(struct rte_cryptodev_capabilities cnxk_caps[],
 			 union cpt_eng_caps *hw_caps)
@@ -962,6 +982,8 @@ sec_crypto_caps_populate(struct rte_cryptodev_capabilities cnxk_caps[],
 
 	if (roc_model_is_cn10k())
 		cn10k_sec_crypto_caps_update(cnxk_caps, &cur_pos);
+	else
+		cn9k_sec_crypto_caps_update(cnxk_caps);
 
 	sec_caps_add(cnxk_caps, &cur_pos, caps_end, RTE_DIM(caps_end));
 }
-- 
2.22.0



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