New upstream version 18.08
[deb_dpdk.git] / lib / librte_cryptodev / rte_cryptodev.c
index 8745b6b..63ae23f 100644 (file)
@@ -166,6 +166,31 @@ rte_crypto_aead_operation_strings[] = {
        [RTE_CRYPTO_AEAD_OP_DECRYPT]    = "decrypt"
 };
 
+/**
+ * Asymmetric crypto transform operation strings identifiers.
+ */
+const char *rte_crypto_asym_xform_strings[] = {
+       [RTE_CRYPTO_ASYM_XFORM_NONE]    = "none",
+       [RTE_CRYPTO_ASYM_XFORM_RSA]     = "rsa",
+       [RTE_CRYPTO_ASYM_XFORM_MODEX]   = "modexp",
+       [RTE_CRYPTO_ASYM_XFORM_MODINV]  = "modinv",
+       [RTE_CRYPTO_ASYM_XFORM_DH]      = "dh",
+       [RTE_CRYPTO_ASYM_XFORM_DSA]     = "dsa",
+};
+
+/**
+ * Asymmetric crypto operation strings identifiers.
+ */
+const char *rte_crypto_asym_op_strings[] = {
+       [RTE_CRYPTO_ASYM_OP_ENCRYPT]    = "encrypt",
+       [RTE_CRYPTO_ASYM_OP_DECRYPT]    = "decrypt",
+       [RTE_CRYPTO_ASYM_OP_SIGN]       = "sign",
+       [RTE_CRYPTO_ASYM_OP_VERIFY]     = "verify",
+       [RTE_CRYPTO_ASYM_OP_PRIVATE_KEY_GENERATE]       = "priv_key_generate",
+       [RTE_CRYPTO_ASYM_OP_PUBLIC_KEY_GENERATE] = "pub_key_generate",
+       [RTE_CRYPTO_ASYM_OP_SHARED_SECRET_COMPUTE] = "sharedsecret_compute",
+};
+
 int
 rte_cryptodev_get_cipher_algo_enum(enum rte_crypto_cipher_algorithm *algo_enum,
                const char *algo_string)
@@ -217,6 +242,24 @@ rte_cryptodev_get_aead_algo_enum(enum rte_crypto_aead_algorithm *algo_enum,
        return -1;
 }
 
+int __rte_experimental
+rte_cryptodev_asym_get_xform_enum(enum rte_crypto_asym_xform_type *xform_enum,
+               const char *xform_string)
+{
+       unsigned int i;
+
+       for (i = 1; i < RTE_DIM(rte_crypto_asym_xform_strings); i++) {
+               if (strcmp(xform_string,
+                       rte_crypto_asym_xform_strings[i]) == 0) {
+                       *xform_enum = (enum rte_crypto_asym_xform_type) i;
+                       return 0;
+               }
+       }
+
+       /* Invalid string */
+       return -1;
+}
+
 /**
  * The crypto auth operation strings identifiers.
  * It could be used in application command line.
@@ -262,19 +305,62 @@ rte_cryptodev_sym_capability_get(uint8_t dev_id,
 
 }
 
-#define param_range_check(x, y) \
-       (((x < y.min) || (x > y.max)) || \
-       (y.increment != 0 && (x % y.increment) != 0))
+static int
+param_range_check(uint16_t size, const struct rte_crypto_param_range *range)
+{
+       unsigned int next_size;
+
+       /* Check lower/upper bounds */
+       if (size < range->min)
+               return -1;
+
+       if (size > range->max)
+               return -1;
+
+       /* If range is actually only one value, size is correct */
+       if (range->increment == 0)
+               return 0;
+
+       /* Check if value is one of the supported sizes */
+       for (next_size = range->min; next_size <= range->max;
+                       next_size += range->increment)
+               if (size == next_size)
+                       return 0;
+
+       return -1;
+}
+
+const struct rte_cryptodev_asymmetric_xform_capability * __rte_experimental
+rte_cryptodev_asym_capability_get(uint8_t dev_id,
+               const struct rte_cryptodev_asym_capability_idx *idx)
+{
+       const struct rte_cryptodev_capabilities *capability;
+       struct rte_cryptodev_info dev_info;
+       unsigned int i = 0;
+
+       memset(&dev_info, 0, sizeof(struct rte_cryptodev_info));
+       rte_cryptodev_info_get(dev_id, &dev_info);
+
+       while ((capability = &dev_info.capabilities[i++])->op !=
+                       RTE_CRYPTO_OP_TYPE_UNDEFINED) {
+               if (capability->op != RTE_CRYPTO_OP_TYPE_ASYMMETRIC)
+                       continue;
+
+               if (capability->asym.xform_capa.xform_type == idx->type)
+                       return &capability->asym.xform_capa;
+       }
+       return NULL;
+};
 
 int
 rte_cryptodev_sym_capability_check_cipher(
                const struct rte_cryptodev_symmetric_capability *capability,
                uint16_t key_size, uint16_t iv_size)
 {
-       if (param_range_check(key_size, capability->cipher.key_size))
+       if (param_range_check(key_size, &capability->cipher.key_size) != 0)
                return -1;
 
-       if (param_range_check(iv_size, capability->cipher.iv_size))
+       if (param_range_check(iv_size, &capability->cipher.iv_size) != 0)
                return -1;
 
        return 0;
@@ -285,13 +371,13 @@ rte_cryptodev_sym_capability_check_auth(
                const struct rte_cryptodev_symmetric_capability *capability,
                uint16_t key_size, uint16_t digest_size, uint16_t iv_size)
 {
-       if (param_range_check(key_size, capability->auth.key_size))
+       if (param_range_check(key_size, &capability->auth.key_size) != 0)
                return -1;
 
-       if (param_range_check(digest_size, capability->auth.digest_size))
+       if (param_range_check(digest_size, &capability->auth.digest_size) != 0)
                return -1;
 
-       if (param_range_check(iv_size, capability->auth.iv_size))
+       if (param_range_check(iv_size, &capability->auth.iv_size) != 0)
                return -1;
 
        return 0;
@@ -303,20 +389,56 @@ rte_cryptodev_sym_capability_check_aead(
                uint16_t key_size, uint16_t digest_size, uint16_t aad_size,
                uint16_t iv_size)
 {
-       if (param_range_check(key_size, capability->aead.key_size))
+       if (param_range_check(key_size, &capability->aead.key_size) != 0)
                return -1;
 
-       if (param_range_check(digest_size, capability->aead.digest_size))
+       if (param_range_check(digest_size, &capability->aead.digest_size) != 0)
                return -1;
 
-       if (param_range_check(aad_size, capability->aead.aad_size))
+       if (param_range_check(aad_size, &capability->aead.aad_size) != 0)
                return -1;
 
-       if (param_range_check(iv_size, capability->aead.iv_size))
+       if (param_range_check(iv_size, &capability->aead.iv_size) != 0)
                return -1;
 
        return 0;
 }
+int __rte_experimental
+rte_cryptodev_asym_xform_capability_check_optype(
+       const struct rte_cryptodev_asymmetric_xform_capability *capability,
+       enum rte_crypto_asym_op_type op_type)
+{
+       if (capability->op_types & (1 << op_type))
+               return 1;
+
+       return 0;
+}
+
+int __rte_experimental
+rte_cryptodev_asym_xform_capability_check_modlen(
+       const struct rte_cryptodev_asymmetric_xform_capability *capability,
+       uint16_t modlen)
+{
+       /* no need to check for limits, if min or max = 0 */
+       if (capability->modlen.min != 0) {
+               if (modlen < capability->modlen.min)
+                       return -1;
+       }
+
+       if (capability->modlen.max != 0) {
+               if (modlen > capability->modlen.max)
+                       return -1;
+       }
+
+       /* in any case, check if given modlen is module increment */
+       if (capability->modlen.increment != 0) {
+               if (modlen % (capability->modlen.increment))
+                       return -1;
+       }
+
+       return 0;
+}
+
 
 const char *
 rte_cryptodev_get_feature_name(uint64_t flag)
@@ -340,12 +462,22 @@ rte_cryptodev_get_feature_name(uint64_t flag)
                return "CPU_AESNI";
        case RTE_CRYPTODEV_FF_HW_ACCELERATED:
                return "HW_ACCELERATED";
-       case RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER:
-               return "MBUF_SCATTER_GATHER";
+       case RTE_CRYPTODEV_FF_IN_PLACE_SGL:
+               return "IN_PLACE_SGL";
+       case RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT:
+               return "OOP_SGL_IN_SGL_OUT";
+       case RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT:
+               return "OOP_SGL_IN_LB_OUT";
+       case RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT:
+               return "OOP_LB_IN_SGL_OUT";
+       case RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT:
+               return "OOP_LB_IN_LB_OUT";
        case RTE_CRYPTODEV_FF_CPU_NEON:
                return "CPU_NEON";
        case RTE_CRYPTODEV_FF_CPU_ARM_CE:
                return "CPU_ARM_CE";
+       case RTE_CRYPTODEV_FF_SECURITY:
+               return "SECURITY_PROTOCOL";
        default:
                return NULL;
        }
@@ -679,50 +811,6 @@ rte_cryptodev_queue_pairs_config(struct rte_cryptodev *dev, uint16_t nb_qpairs,
        return 0;
 }
 
-int
-rte_cryptodev_queue_pair_start(uint8_t dev_id, uint16_t queue_pair_id)
-{
-       struct rte_cryptodev *dev;
-
-       if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
-               CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
-               return -EINVAL;
-       }
-
-       dev = &rte_crypto_devices[dev_id];
-       if (queue_pair_id >= dev->data->nb_queue_pairs) {
-               CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
-               return -EINVAL;
-       }
-
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_start, -ENOTSUP);
-
-       return dev->dev_ops->queue_pair_start(dev, queue_pair_id);
-
-}
-
-int
-rte_cryptodev_queue_pair_stop(uint8_t dev_id, uint16_t queue_pair_id)
-{
-       struct rte_cryptodev *dev;
-
-       if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
-               CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
-               return -EINVAL;
-       }
-
-       dev = &rte_crypto_devices[dev_id];
-       if (queue_pair_id >= dev->data->nb_queue_pairs) {
-               CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
-               return -EINVAL;
-       }
-
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->queue_pair_stop, -ENOTSUP);
-
-       return dev->dev_ops->queue_pair_stop(dev, queue_pair_id);
-
-}
-
 int
 rte_cryptodev_configure(uint8_t dev_id, struct rte_cryptodev_config *config)
 {
@@ -943,6 +1031,7 @@ rte_cryptodev_info_get(uint8_t dev_id, struct rte_cryptodev_info *dev_info)
        (*dev->dev_ops->dev_infos_get)(dev, dev_info);
 
        dev_info->driver_name = dev->device->driver->name;
+       dev_info->device = dev->device;
 }
 
 
@@ -1075,8 +1164,46 @@ rte_cryptodev_sym_session_init(uint8_t dev_id,
 
        index = dev->driver_id;
 
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_configure, -ENOTSUP);
+
        if (sess->sess_private_data[index] == NULL) {
-               ret = dev->dev_ops->session_configure(dev, xforms, sess, mp);
+               ret = dev->dev_ops->sym_session_configure(dev, xforms,
+                                                       sess, mp);
+               if (ret < 0) {
+                       CDEV_LOG_ERR(
+                               "dev_id %d failed to configure session details",
+                               dev_id);
+                       return ret;
+               }
+       }
+
+       return 0;
+}
+
+int __rte_experimental
+rte_cryptodev_asym_session_init(uint8_t dev_id,
+               struct rte_cryptodev_asym_session *sess,
+               struct rte_crypto_asym_xform *xforms,
+               struct rte_mempool *mp)
+{
+       struct rte_cryptodev *dev;
+       uint8_t index;
+       int ret;
+
+       dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+       if (sess == NULL || xforms == NULL || dev == NULL)
+               return -EINVAL;
+
+       index = dev->driver_id;
+
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_configure,
+                               -ENOTSUP);
+
+       if (sess->sess_private_data[index] == NULL) {
+               ret = dev->dev_ops->asym_session_configure(dev,
+                                                       xforms,
+                                                       sess, mp);
                if (ret < 0) {
                        CDEV_LOG_ERR(
                                "dev_id %d failed to configure session details",
@@ -1099,69 +1226,54 @@ rte_cryptodev_sym_session_create(struct rte_mempool *mp)
                return NULL;
        }
 
-       /* Clear device session pointer */
-       memset(sess, 0, (sizeof(void *) * nb_drivers));
+       /* Clear device session pointer.
+        * Include the flag indicating presence of user data
+        */
+       memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
 
        return sess;
 }
 
-int
-rte_cryptodev_queue_pair_attach_sym_session(uint8_t dev_id, uint16_t qp_id,
-               struct rte_cryptodev_sym_session *sess)
+struct rte_cryptodev_asym_session * __rte_experimental
+rte_cryptodev_asym_session_create(struct rte_mempool *mp)
 {
-       struct rte_cryptodev *dev;
+       struct rte_cryptodev_asym_session *sess;
 
-       if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
-               CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
-               return -EINVAL;
+       /* Allocate a session structure from the session pool */
+       if (rte_mempool_get(mp, (void **)&sess)) {
+               CDEV_LOG_ERR("couldn't get object from session mempool");
+               return NULL;
        }
 
-       dev = &rte_crypto_devices[dev_id];
-
-       /* The API is optional, not returning error if driver do not suuport */
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_attach_session, 0);
-
-       void *sess_priv = get_session_private_data(sess, dev->driver_id);
-
-       if (dev->dev_ops->qp_attach_session(dev, qp_id, sess_priv)) {
-               CDEV_LOG_ERR("dev_id %d failed to attach qp: %d with session",
-                               dev_id, qp_id);
-               return -EPERM;
-       }
+       /* Clear device session pointer.
+        * Include the flag indicating presence of private data
+        */
+       memset(sess, 0, (sizeof(void *) * nb_drivers) + sizeof(uint8_t));
 
-       return 0;
+       return sess;
 }
 
 int
-rte_cryptodev_queue_pair_detach_sym_session(uint8_t dev_id, uint16_t qp_id,
+rte_cryptodev_sym_session_clear(uint8_t dev_id,
                struct rte_cryptodev_sym_session *sess)
 {
        struct rte_cryptodev *dev;
 
-       if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
-               CDEV_LOG_ERR("Invalid dev_id=%d", dev_id);
-               return -EINVAL;
-       }
-
-       dev = &rte_crypto_devices[dev_id];
+       dev = rte_cryptodev_pmd_get_dev(dev_id);
 
-       /* The API is optional, not returning error if driver do not suuport */
-       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->qp_detach_session, 0);
+       if (dev == NULL || sess == NULL)
+               return -EINVAL;
 
-       void *sess_priv = get_session_private_data(sess, dev->driver_id);
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->sym_session_clear, -ENOTSUP);
 
-       if (dev->dev_ops->qp_detach_session(dev, qp_id, sess_priv)) {
-               CDEV_LOG_ERR("dev_id %d failed to detach qp: %d from session",
-                               dev_id, qp_id);
-               return -EPERM;
-       }
+       dev->dev_ops->sym_session_clear(dev, sess);
 
        return 0;
 }
 
-int
-rte_cryptodev_sym_session_clear(uint8_t dev_id,
-               struct rte_cryptodev_sym_session *sess)
+int __rte_experimental
+rte_cryptodev_asym_session_clear(uint8_t dev_id,
+               struct rte_cryptodev_asym_session *sess)
 {
        struct rte_cryptodev *dev;
 
@@ -1170,7 +1282,9 @@ rte_cryptodev_sym_session_clear(uint8_t dev_id,
        if (dev == NULL || sess == NULL)
                return -EINVAL;
 
-       dev->dev_ops->session_clear(dev, sess);
+       RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->asym_session_clear, -ENOTSUP);
+
+       dev->dev_ops->asym_session_clear(dev, sess);
 
        return 0;
 }
@@ -1187,7 +1301,7 @@ rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
 
        /* Check that all device private data has been freed */
        for (i = 0; i < nb_drivers; i++) {
-               sess_priv = get_session_private_data(sess, i);
+               sess_priv = get_sym_session_private_data(sess, i);
                if (sess_priv != NULL)
                        return -EBUSY;
        }
@@ -1199,18 +1313,55 @@ rte_cryptodev_sym_session_free(struct rte_cryptodev_sym_session *sess)
        return 0;
 }
 
+int __rte_experimental
+rte_cryptodev_asym_session_free(struct rte_cryptodev_asym_session *sess)
+{
+       uint8_t i;
+       void *sess_priv;
+       struct rte_mempool *sess_mp;
+
+       if (sess == NULL)
+               return -EINVAL;
+
+       /* Check that all device private data has been freed */
+       for (i = 0; i < nb_drivers; i++) {
+               sess_priv = get_asym_session_private_data(sess, i);
+               if (sess_priv != NULL)
+                       return -EBUSY;
+       }
+
+       /* Return session to mempool */
+       sess_mp = rte_mempool_from_obj(sess);
+       rte_mempool_put(sess_mp, sess);
+
+       return 0;
+}
+
+
 unsigned int
-rte_cryptodev_get_header_session_size(void)
+rte_cryptodev_sym_get_header_session_size(void)
 {
        /*
         * Header contains pointers to the private data
-        * of all registered drivers
+        * of all registered drivers, and a flag which
+        * indicates presence of user data
         */
-       return (sizeof(void *) * nb_drivers);
+       return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
+}
+
+unsigned int __rte_experimental
+rte_cryptodev_asym_get_header_session_size(void)
+{
+       /*
+        * Header contains pointers to the private data
+        * of all registered drivers, and a flag which
+        * indicates presence of private data
+        */
+       return ((sizeof(void *) * nb_drivers) + sizeof(uint8_t));
 }
 
 unsigned int
-rte_cryptodev_get_private_session_size(uint8_t dev_id)
+rte_cryptodev_sym_get_private_session_size(uint8_t dev_id)
 {
        struct rte_cryptodev *dev;
        unsigned int header_size = sizeof(void *) * nb_drivers;
@@ -1221,10 +1372,10 @@ rte_cryptodev_get_private_session_size(uint8_t dev_id)
 
        dev = rte_cryptodev_pmd_get_dev(dev_id);
 
-       if (*dev->dev_ops->session_get_size == NULL)
+       if (*dev->dev_ops->sym_session_get_size == NULL)
                return 0;
 
-       priv_sess_size = (*dev->dev_ops->session_get_size)(dev);
+       priv_sess_size = (*dev->dev_ops->sym_session_get_size)(dev);
 
        /*
         * If size is less than session header size,
@@ -1238,6 +1389,61 @@ rte_cryptodev_get_private_session_size(uint8_t dev_id)
 
 }
 
+unsigned int __rte_experimental
+rte_cryptodev_asym_get_private_session_size(uint8_t dev_id)
+{
+       struct rte_cryptodev *dev;
+       unsigned int header_size = sizeof(void *) * nb_drivers;
+       unsigned int priv_sess_size;
+
+       if (!rte_cryptodev_pmd_is_valid_dev(dev_id))
+               return 0;
+
+       dev = rte_cryptodev_pmd_get_dev(dev_id);
+
+       if (*dev->dev_ops->asym_session_get_size == NULL)
+               return 0;
+
+       priv_sess_size = (*dev->dev_ops->asym_session_get_size)(dev);
+       if (priv_sess_size < header_size)
+               return header_size;
+
+       return priv_sess_size;
+
+}
+
+int __rte_experimental
+rte_cryptodev_sym_session_set_user_data(
+                                       struct rte_cryptodev_sym_session *sess,
+                                       void *data,
+                                       uint16_t size)
+{
+       uint16_t off_set = sizeof(void *) * nb_drivers;
+       uint8_t *user_data_present = (uint8_t *)sess + off_set;
+
+       if (sess == NULL)
+               return -EINVAL;
+
+       *user_data_present = 1;
+       off_set += sizeof(uint8_t);
+       rte_memcpy((uint8_t *)sess + off_set, data, size);
+       return 0;
+}
+
+void * __rte_experimental
+rte_cryptodev_sym_session_get_user_data(
+                                       struct rte_cryptodev_sym_session *sess)
+{
+       uint16_t off_set = sizeof(void *) * nb_drivers;
+       uint8_t *user_data_present = (uint8_t *)sess + off_set;
+
+       if (sess == NULL || !*user_data_present)
+               return NULL;
+
+       off_set += sizeof(uint8_t);
+       return (uint8_t *)sess + off_set;
+}
+
 /** Initialise rte_crypto_op mempool element */
 static void
 rte_crypto_op_init(struct rte_mempool *mempool,
@@ -1265,9 +1471,17 @@ rte_crypto_op_pool_create(const char *name, enum rte_crypto_op_type type,
        struct rte_crypto_op_pool_private *priv;
 
        unsigned elt_size = sizeof(struct rte_crypto_op) +
-                       sizeof(struct rte_crypto_sym_op) +
                        priv_size;
 
+       if (type == RTE_CRYPTO_OP_TYPE_SYMMETRIC) {
+               elt_size += sizeof(struct rte_crypto_sym_op);
+       } else if (type == RTE_CRYPTO_OP_TYPE_ASYMMETRIC) {
+               elt_size += sizeof(struct rte_crypto_asym_op);
+       } else {
+               CDEV_LOG_ERR("Invalid op_type\n");
+               return NULL;
+       }
+
        /* lookup mempool in case already allocated */
        struct rte_mempool *mp = rte_mempool_lookup(name);