[dpdk-dev] [PATCH v3 4/9] examples/ipsec-secgw: enable AES-CTR mode

[Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>]

RFC3686: Using AES Counter (CTR) Mode With IPsec ESP.`

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy@intel.com>
---
 examples/ipsec-secgw/esp.c | 2 ++
 examples/ipsec-secgw/sa.c  | 7 +++++++
 2 files changed, 9 insertions(+)

diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c
index 7ee53da..ec5a2e6 100644
--- a/examples/ipsec-secgw/esp.c
+++ b/examples/ipsec-secgw/esp.c
@@ -102,6 +102,7 @@ esp_inbound(struct rte_mbuf *m, struct ipsec_sa *sa,
 				 ip_hdr_len + sizeof(struct esp_hdr));
 		sym_cop->cipher.iv.length = sa->iv_len;
 		break;
+	case RTE_CRYPTO_CIPHER_AES_CTR:
 	case RTE_CRYPTO_CIPHER_AES_GCM:
 		icb = get_cnt_blk(m);
 		icb->salt = sa->salt;
@@ -320,6 +321,7 @@ esp_outbound(struct rte_mbuf *m, struct ipsec_sa *sa,
 			sizeof(struct esp_hdr);
 		sym_cop->cipher.data.length = pad_payload_len + sa->iv_len;
 		break;
+	case RTE_CRYPTO_CIPHER_AES_CTR:
 	case RTE_CRYPTO_CIPHER_AES_GCM:
 		*iv = sa->seq;
 		sym_cop->cipher.data.offset = ip_hdr_len +
diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index d5ad5af..00c8cce 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -88,6 +88,13 @@ const struct supported_cipher_algo cipher_algos[] = {
 		.iv_len = 8,
 		.block_size = 4,
 		.key_len = 16
+	},
+	{
+		.keyword = "aes-128-ctr",
+		.algo = RTE_CRYPTO_CIPHER_AES_CTR,
+		.iv_len = 8,
+		.block_size = 16, /* XXX AESNI MB limition, should be 4 */
+		.key_len = 16
 	}
 };
 
-- 
2.5.5