#include "rte_openssl_pmd_private.h"
-static int cryptodev_openssl_remove(const char *name);
+#define DES_BLOCK_SIZE 8
+
+static int cryptodev_openssl_remove(struct rte_vdev_device *vdev);
/*----------------------------------------------------------------------------*/
sess->cipher.key.data) != 0)
return -EINVAL;
break;
+ case RTE_CRYPTO_CIPHER_DES_DOCSISBPI:
+ sess->cipher.algo = xform->cipher.algo;
+ sess->chain_order = OPENSSL_CHAIN_CIPHER_BPI;
+ sess->cipher.ctx = EVP_CIPHER_CTX_new();
+ sess->cipher.evp_algo = EVP_des_cbc();
+ sess->cipher.bpi_ctx = EVP_CIPHER_CTX_new();
+ /* IV will be ECB encrypted whether direction is encrypt or decrypt */
+ if (EVP_EncryptInit_ex(sess->cipher.bpi_ctx, EVP_des_ecb(),
+ NULL, xform->cipher.key.data, 0) != 1)
+ return -EINVAL;
+
+ get_cipher_key(xform->cipher.key.data, sess->cipher.key.length,
+ sess->cipher.key.data);
+ break;
default:
sess->cipher.algo = RTE_CRYPTO_CIPHER_NULL;
return -EINVAL;
{
EVP_CIPHER_CTX_free(sess->cipher.ctx);
+ if (sess->chain_order == OPENSSL_CHAIN_CIPHER_BPI)
+ EVP_CIPHER_CTX_free(sess->cipher.bpi_ctx);
+
switch (sess->auth.mode) {
case OPENSSL_AUTH_AS_AUTH:
EVP_MD_CTX_destroy(sess->auth.auth.ctx);
return -EINVAL;
}
+/** Process standard openssl cipher encryption */
+static int
+process_openssl_cipher_bpi_encrypt(uint8_t *src, uint8_t *dst,
+ uint8_t *iv, int srclen,
+ EVP_CIPHER_CTX *ctx)
+{
+ uint8_t i;
+ uint8_t encrypted_iv[DES_BLOCK_SIZE];
+ int encrypted_ivlen;
+
+ if (EVP_EncryptUpdate(ctx, encrypted_iv, &encrypted_ivlen,
+ iv, DES_BLOCK_SIZE) <= 0)
+ goto process_cipher_encrypt_err;
+
+ for (i = 0; i < srclen; i++)
+ *(dst + i) = *(src + i) ^ (encrypted_iv[i]);
+
+ return 0;
+
+process_cipher_encrypt_err:
+ OPENSSL_LOG_ERR("Process openssl cipher bpi encrypt failed");
+ return -EINVAL;
+}
/** Process standard openssl cipher decryption */
static int
process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
}
+/** Process cipher operation */
+static void
+process_openssl_docsis_bpi_op(struct rte_crypto_op *op,
+ struct openssl_session *sess, struct rte_mbuf *mbuf_src,
+ struct rte_mbuf *mbuf_dst)
+{
+ uint8_t *src, *dst, *iv;
+ uint8_t block_size, last_block_len;
+ int srclen, status = 0;
+
+ srclen = op->sym->cipher.data.length;
+ src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
+ op->sym->cipher.data.offset);
+ dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
+ op->sym->cipher.data.offset);
+
+ iv = op->sym->cipher.iv.data;
+
+ block_size = DES_BLOCK_SIZE;
+
+ last_block_len = srclen % block_size;
+ if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT) {
+ /* Encrypt only with ECB mode XOR IV */
+ if (srclen < block_size) {
+ status = process_openssl_cipher_bpi_encrypt(src, dst,
+ iv, srclen,
+ sess->cipher.bpi_ctx);
+ } else {
+ srclen -= last_block_len;
+ /* Encrypt with the block aligned stream with CBC mode */
+ status = process_openssl_cipher_encrypt(mbuf_src, dst,
+ op->sym->cipher.data.offset, iv,
+ sess->cipher.key.data, srclen,
+ sess->cipher.ctx, sess->cipher.evp_algo);
+ if (last_block_len) {
+ /* Point at last block */
+ dst += srclen;
+ /*
+ * IV is the last encrypted block from
+ * the previous operation
+ */
+ iv = dst - block_size;
+ src += srclen;
+ srclen = last_block_len;
+ /* Encrypt the last frame with ECB mode */
+ status |= process_openssl_cipher_bpi_encrypt(src,
+ dst, iv,
+ srclen, sess->cipher.bpi_ctx);
+ }
+ }
+ } else {
+ /* Decrypt only with ECB mode (encrypt, as it is same operation) */
+ if (srclen < block_size) {
+ status = process_openssl_cipher_bpi_encrypt(src, dst,
+ iv,
+ srclen,
+ sess->cipher.bpi_ctx);
+ } else {
+ if (last_block_len) {
+ /* Point at last block */
+ dst += srclen - last_block_len;
+ src += srclen - last_block_len;
+ /*
+ * IV is the last full block
+ */
+ iv = src - block_size;
+ /*
+ * Decrypt the last frame with ECB mode
+ * (encrypt, as it is the same operation)
+ */
+ status = process_openssl_cipher_bpi_encrypt(src,
+ dst, iv,
+ last_block_len, sess->cipher.bpi_ctx);
+ /* Prepare parameters for CBC mode op */
+ iv = op->sym->cipher.iv.data;
+ dst += last_block_len - srclen;
+ srclen -= last_block_len;
+ }
+
+ /* Decrypt with CBC mode */
+ status |= process_openssl_cipher_decrypt(mbuf_src, dst,
+ op->sym->cipher.data.offset, iv,
+ sess->cipher.key.data, srclen,
+ sess->cipher.ctx,
+ sess->cipher.evp_algo);
+ }
+ }
+
+ if (status != 0)
+ op->status = RTE_CRYPTO_OP_STATUS_ERROR;
+}
+
/** Process auth operation */
static void
process_openssl_auth_op
case OPENSSL_CHAIN_COMBINED:
process_openssl_combined_op(op, sess, msrc, mdst);
break;
+ case OPENSSL_CHAIN_CIPHER_BPI:
+ process_openssl_docsis_bpi_op(op, sess, msrc, mdst);
+ break;
default:
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
break;
unsigned int nb_dequeued = 0;
nb_dequeued = rte_ring_dequeue_burst(qp->processed_ops,
- (void **)ops, nb_ops);
+ (void **)ops, nb_ops, NULL);
qp->stats.dequeued_count += nb_dequeued;
return nb_dequeued;
/** Create OPENSSL crypto device */
static int
-cryptodev_openssl_create(struct rte_crypto_vdev_init_params *init_params)
+cryptodev_openssl_create(struct rte_vdev_device *vdev,
+ struct rte_crypto_vdev_init_params *init_params)
{
struct rte_cryptodev *dev;
struct openssl_private *internals;
OPENSSL_LOG_ERR("driver %s: cryptodev_openssl_create failed",
init_params->name);
- cryptodev_openssl_remove(init_params->name);
+ cryptodev_openssl_remove(vdev);
return -EFAULT;
}
/** Initialise OPENSSL crypto device */
static int
-cryptodev_openssl_probe(const char *name,
- const char *input_args)
+cryptodev_openssl_probe(struct rte_vdev_device *vdev)
{
struct rte_crypto_vdev_init_params init_params = {
RTE_CRYPTODEV_VDEV_DEFAULT_MAX_NB_QUEUE_PAIRS,
rte_socket_id(),
{0}
};
+ const char *name;
+ const char *input_args;
+
+ name = rte_vdev_device_name(vdev);
+ input_args = rte_vdev_device_args(vdev);
rte_cryptodev_parse_vdev_init_params(&init_params, input_args);
RTE_LOG(INFO, PMD, " Max number of sessions = %d\n",
init_params.max_nb_sessions);
- return cryptodev_openssl_create(&init_params);
+ return cryptodev_openssl_create(vdev, &init_params);
}
/** Uninitialise OPENSSL crypto device */
static int
-cryptodev_openssl_remove(const char *name)
+cryptodev_openssl_remove(struct rte_vdev_device *vdev)
{
+ const char *name;
+
+ name = rte_vdev_device_name(vdev);
if (name == NULL)
return -EINVAL;
git.droids-corp.org / dpdk.git / blobdiff