ipsec: support 3DES-CBC

[dpdk.git] / lib / librte_ipsec / sa.c

diff --git a/lib/librte_ipsec/sa.c b/lib/librte_ipsec/sa.c
index e34dd32..2eb6bae 100644 (file)
--- a/lib/librte_ipsec/sa.c
+++ b/lib/librte_ipsec/sa.c
@@ -238,6 +238,7 @@ esp_outb_init(struct rte_ipsec_sa *sa, uint32_t hlen)
                sa->ctp.cipher.length = 0;
                break;
        case ALGO_TYPE_AES_CBC:
+       case ALGO_TYPE_3DES_CBC:
                sa->ctp.cipher.offset = sa->hdr_len + sizeof(struct esp_hdr);
                sa->ctp.cipher.length = sa->iv_len;
                break;
@@ -307,6 +308,13 @@ esp_sa_init(struct rte_ipsec_sa *sa, const struct rte_ipsec_sa_prm *prm,
                        sa->algo_type = ALGO_TYPE_AES_CTR;
                        break;
 
+               case RTE_CRYPTO_CIPHER_3DES_CBC:
+                       /* RFC 1851 */
+                       sa->pad_align = IPSEC_PAD_3DES_CBC;
+                       sa->iv_len = IPSEC_3DES_IV_SIZE;
+                       sa->algo_type = ALGO_TYPE_3DES_CBC;
+                       break;
+
                default:
                        return -EINVAL;
                }
@@ -476,6 +484,19 @@ esp_outb_cop_prepare(struct rte_crypto_op *cop,
        sop = cop->sym;
 
        switch (algo_type) {
+       case ALGO_TYPE_AES_CBC:
+               /* Cipher-Auth (AES-CBC *) case */
+       case ALGO_TYPE_3DES_CBC:
+               /* Cipher-Auth (3DES-CBC *) case */
+       case ALGO_TYPE_NULL:
+               /* NULL case */
+               sop->cipher.data.offset = sa->ctp.cipher.offset + hlen;
+               sop->cipher.data.length = sa->ctp.cipher.length + plen;
+               sop->auth.data.offset = sa->ctp.auth.offset + hlen;
+               sop->auth.data.length = sa->ctp.auth.length + plen;
+               sop->auth.digest.data = icv->va;
+               sop->auth.digest.phys_addr = icv->pa;
+               break;
        case ALGO_TYPE_AES_GCM:
                /* AEAD (AES_GCM) case */
                sop->aead.data.offset = sa->ctp.cipher.offset + hlen;
@@ -490,15 +511,6 @@ esp_outb_cop_prepare(struct rte_crypto_op *cop,
                        sa->iv_ofs);
                aead_gcm_iv_fill(gcm, ivp[0], sa->salt);
                break;
-       case ALGO_TYPE_AES_CBC:
-               /* Cipher-Auth (AES-CBC *) case */
-               sop->cipher.data.offset = sa->ctp.cipher.offset + hlen;
-               sop->cipher.data.length = sa->ctp.cipher.length + plen;
-               sop->auth.data.offset = sa->ctp.auth.offset + hlen;
-               sop->auth.data.length = sa->ctp.auth.length + plen;
-               sop->auth.digest.data = icv->va;
-               sop->auth.digest.phys_addr = icv->pa;
-               break;
        case ALGO_TYPE_AES_CTR:
                /* Cipher-Auth (AES-CTR *) case */
                sop->cipher.data.offset = sa->ctp.cipher.offset + hlen;
@@ -512,15 +524,6 @@ esp_outb_cop_prepare(struct rte_crypto_op *cop,
                        sa->iv_ofs);
                aes_ctr_cnt_blk_fill(ctr, ivp[0], sa->salt);
                break;
-       case ALGO_TYPE_NULL:
-               /* NULL case */
-               sop->cipher.data.offset = sa->ctp.cipher.offset + hlen;
-               sop->cipher.data.length = sa->ctp.cipher.length + plen;
-               sop->auth.data.offset = sa->ctp.auth.offset + hlen;
-               sop->auth.data.length = sa->ctp.auth.length + plen;
-               sop->auth.digest.data = icv->va;
-               sop->auth.digest.phys_addr = icv->pa;
-               break;
        default:
                break;
        }
@@ -873,6 +876,7 @@ esp_inb_tun_cop_prepare(struct rte_crypto_op *cop,
                aead_gcm_iv_fill(gcm, ivp[0], sa->salt);
                break;
        case ALGO_TYPE_AES_CBC:
+       case ALGO_TYPE_3DES_CBC:
                sop->cipher.data.offset = pofs + sa->ctp.cipher.offset;
                sop->cipher.data.length = clen;
                sop->auth.data.offset = pofs + sa->ctp.auth.offset;