[dpdk-dev] [PATCH v2 4/7] examples/ipsec-secgw: enable AES-CTR mode

[Sergio Gonzalez Monroy]

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

Signed-off-by: Sergio Gonzalez Monroy <sergio.gonzalez.monroy at 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