examples/ipsec-secgw: support 3DES-CBC

Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>

diff --git a/doc/guides/sample_app_ug/ipsec_secgw.rst b/doc/guides/sample_app_ug/ipsec_secgw.rst
index 46696f2..4869a01 100644 (file)
--- a/doc/guides/sample_app_ug/ipsec_secgw.rst
+++ b/doc/guides/sample_app_ug/ipsec_secgw.rst
@@ -67,7 +67,7 @@ Constraints
 
 *  No IPv6 options headers.
 *  No AH mode.
-*  Supported algorithms: AES-CBC, AES-CTR, AES-GCM, HMAC-SHA1 and NULL.
+*  Supported algorithms: AES-CBC, AES-CTR, AES-GCM, 3DES-CBC, HMAC-SHA1 and NULL.
 *  Each SA must be handle by a unique lcore (*1 RX queue per port*).
 *  No chained mbufs.
 
@@ -397,6 +397,7 @@ where each options means:
    * *aes-128-cbc*: AES-CBC 128-bit algorithm
    * *aes-256-cbc*: AES-CBC 256-bit algorithm
    * *aes-128-ctr*: AES-CTR 128-bit algorithm
+   * *3des-cbc*: 3DES-CBC 192-bit algorithm
 
  * Syntax: *cipher_algo <your algorithm>*
 

diff --git a/examples/ipsec-secgw/esp.c b/examples/ipsec-secgw/esp.c
index ee9e590..e33232c 100644 (file)
--- a/examples/ipsec-secgw/esp.c
+++ b/examples/ipsec-secgw/esp.c
@@ -96,6 +96,7 @@ esp_inbound(struct rte_mbuf *m, struct ipsec_sa *sa,
 
                switch (sa->cipher_algo) {
                case RTE_CRYPTO_CIPHER_NULL:
+               case RTE_CRYPTO_CIPHER_3DES_CBC:
                case RTE_CRYPTO_CIPHER_AES_CBC:
                        /* Copy IV at the end of crypto operation */
                        rte_memcpy(iv_ptr, iv, sa->iv_len);
@@ -326,6 +327,7 @@ esp_outbound(struct rte_mbuf *m, struct ipsec_sa *sa,
        } else {
                switch (sa->cipher_algo) {
                case RTE_CRYPTO_CIPHER_NULL:
+               case RTE_CRYPTO_CIPHER_3DES_CBC:
                case RTE_CRYPTO_CIPHER_AES_CBC:
                        memset(iv, 0, sa->iv_len);
                        break;
@@ -387,6 +389,7 @@ esp_outbound(struct rte_mbuf *m, struct ipsec_sa *sa,
        } else {
                switch (sa->cipher_algo) {
                case RTE_CRYPTO_CIPHER_NULL:
+               case RTE_CRYPTO_CIPHER_3DES_CBC:
                case RTE_CRYPTO_CIPHER_AES_CBC:
                        sym_cop->cipher.data.offset = ip_hdr_len +
                                sizeof(struct esp_hdr);

diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index 4ab8e09..d2d3550 100644 (file)
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -81,6 +81,13 @@ const struct supported_cipher_algo cipher_algos[] = {
                .iv_len = 8,
                .block_size = 16, /* XXX AESNI MB limition, should be 4 */
                .key_len = 20
+       },
+       {
+               .keyword = "3des-cbc",
+               .algo = RTE_CRYPTO_CIPHER_3DES_CBC,
+               .iv_len = 8,
+               .block_size = 8,
+               .key_len = 24
        }
 };
 
@@ -327,7 +334,8 @@ parse_sa_tokens(char **tokens, uint32_t n_tokens,
                        if (status->status < 0)
                                return;
 
-                       if (algo->algo == RTE_CRYPTO_CIPHER_AES_CBC)
+                       if (algo->algo == RTE_CRYPTO_CIPHER_AES_CBC ||
+                               algo->algo == RTE_CRYPTO_CIPHER_3DES_CBC)
                                rule->salt = (uint32_t)rte_rand();
 
                        if (algo->algo == RTE_CRYPTO_CIPHER_AES_CTR) {
@@ -810,6 +818,7 @@ sa_add_rules(struct sa_ctx *sa_ctx, const struct ipsec_sa entries[],
                } else {
                        switch (sa->cipher_algo) {
                        case RTE_CRYPTO_CIPHER_NULL:
+                       case RTE_CRYPTO_CIPHER_3DES_CBC:
                        case RTE_CRYPTO_CIPHER_AES_CBC:
                                iv_length = sa->iv_len;
                                break;