crypto/cnxk: add cipher operation in session

Add support for cipher operation in session.

Signed-off-by: Ankur Dwivedi <adwivedi@marvell.com>
Signed-off-by: Anoob Joseph <anoobj@marvell.com>
Signed-off-by: Archana Muniganti <marchana@marvell.com>
Signed-off-by: Tejasree Kondoj <ktejasree@marvell.com>
Acked-by: Akhil Goyal <gakhil@marvell.com>

diff --git a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
index 8ef0e6f..b6d3076 100644 (file)
--- a/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
+++ b/drivers/crypto/cnxk/cnxk_cryptodev_ops.c
@@ -457,6 +457,9 @@ sym_session_configure(struct roc_cpt *roc_cpt, int driver_id,
        sess_priv = priv;
 
        switch (ret) {
+       case CNXK_CPT_CIPHER:
+               ret = fill_sess_cipher(xform, sess_priv);
+               break;
        default:
                ret = -1;
        }

diff --git a/drivers/crypto/cnxk/cnxk_se.h b/drivers/crypto/cnxk/cnxk_se.h
index 9cccab0..b5a16c4 100644 (file)
--- a/drivers/crypto/cnxk/cnxk_se.h
+++ b/drivers/crypto/cnxk/cnxk_se.h
@@ -28,4 +28,110 @@ struct cnxk_se_sess {
        struct roc_se_ctx roc_se_ctx;
 } __rte_cache_aligned;
 
+static __rte_always_inline int
+fill_sess_cipher(struct rte_crypto_sym_xform *xform, struct cnxk_se_sess *sess)
+{
+       struct rte_crypto_cipher_xform *c_form;
+       roc_se_cipher_type enc_type = 0; /* NULL Cipher type */
+       uint32_t cipher_key_len = 0;
+       uint8_t zsk_flag = 0, aes_ctr = 0, is_null = 0;
+
+       c_form = &xform->cipher;
+
+       if (c_form->op == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
+               sess->cpt_op |= ROC_SE_OP_CIPHER_ENCRYPT;
+       else if (c_form->op == RTE_CRYPTO_CIPHER_OP_DECRYPT) {
+               sess->cpt_op |= ROC_SE_OP_CIPHER_DECRYPT;
+               if (xform->next != NULL &&
+                   xform->next->type == RTE_CRYPTO_SYM_XFORM_AUTH) {
+                       /* Perform decryption followed by auth verify */
+                       sess->roc_se_ctx.template_w4.s.opcode_minor =
+                               ROC_SE_FC_MINOR_OP_HMAC_FIRST;
+               }
+       } else {
+               plt_dp_err("Unknown cipher operation\n");
+               return -1;
+       }
+
+       switch (c_form->algo) {
+       case RTE_CRYPTO_CIPHER_AES_CBC:
+               enc_type = ROC_SE_AES_CBC;
+               cipher_key_len = 16;
+               break;
+       case RTE_CRYPTO_CIPHER_3DES_CBC:
+               enc_type = ROC_SE_DES3_CBC;
+               cipher_key_len = 24;
+               break;
+       case RTE_CRYPTO_CIPHER_DES_CBC:
+               /* DES is implemented using 3DES in hardware */
+               enc_type = ROC_SE_DES3_CBC;
+               cipher_key_len = 8;
+               break;
+       case RTE_CRYPTO_CIPHER_AES_CTR:
+               enc_type = ROC_SE_AES_CTR;
+               cipher_key_len = 16;
+               aes_ctr = 1;
+               break;
+       case RTE_CRYPTO_CIPHER_NULL:
+               enc_type = 0;
+               is_null = 1;
+               break;
+       case RTE_CRYPTO_CIPHER_KASUMI_F8:
+               enc_type = ROC_SE_KASUMI_F8_ECB;
+               cipher_key_len = 16;
+               zsk_flag = ROC_SE_K_F8;
+               break;
+       case RTE_CRYPTO_CIPHER_SNOW3G_UEA2:
+               enc_type = ROC_SE_SNOW3G_UEA2;
+               cipher_key_len = 16;
+               zsk_flag = ROC_SE_ZS_EA;
+               break;
+       case RTE_CRYPTO_CIPHER_ZUC_EEA3:
+               enc_type = ROC_SE_ZUC_EEA3;
+               cipher_key_len = 16;
+               zsk_flag = ROC_SE_ZS_EA;
+               break;
+       case RTE_CRYPTO_CIPHER_AES_XTS:
+               enc_type = ROC_SE_AES_XTS;
+               cipher_key_len = 16;
+               break;
+       case RTE_CRYPTO_CIPHER_3DES_ECB:
+               enc_type = ROC_SE_DES3_ECB;
+               cipher_key_len = 24;
+               break;
+       case RTE_CRYPTO_CIPHER_AES_ECB:
+               enc_type = ROC_SE_AES_ECB;
+               cipher_key_len = 16;
+               break;
+       case RTE_CRYPTO_CIPHER_3DES_CTR:
+       case RTE_CRYPTO_CIPHER_AES_F8:
+       case RTE_CRYPTO_CIPHER_ARC4:
+               plt_dp_err("Crypto: Unsupported cipher algo %u", c_form->algo);
+               return -1;
+       default:
+               plt_dp_err("Crypto: Undefined cipher algo %u specified",
+                          c_form->algo);
+               return -1;
+       }
+
+       if (c_form->key.length < cipher_key_len) {
+               plt_dp_err("Invalid cipher params keylen %u",
+                          c_form->key.length);
+               return -1;
+       }
+
+       sess->zsk_flag = zsk_flag;
+       sess->aes_gcm = 0;
+       sess->aes_ctr = aes_ctr;
+       sess->iv_offset = c_form->iv.offset;
+       sess->iv_length = c_form->iv.length;
+       sess->is_null = is_null;
+
+       if (unlikely(roc_se_ciph_key_set(&sess->roc_se_ctx, enc_type,
+                                        c_form->key.data, c_form->key.length,
+                                        NULL)))
+               return -1;
+
+       return 0;
+}
 #endif /*_CNXK_SE_H_ */