New upstream version 18.11
[deb_dpdk.git] / lib / librte_security / rte_security.h
index 653929b..718147e 100644 (file)
@@ -1,34 +1,6 @@
-/*-
- *   BSD LICENSE
- *
- *   Copyright 2017 NXP.
- *   Copyright(c) 2017 Intel Corporation. All rights reserved.
- *
- *   Redistribution and use in source and binary forms, with or without
- *   modification, are permitted provided that the following conditions
- *   are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in
- *       the documentation and/or other materials provided with the
- *       distribution.
- *     * Neither the name of NXP nor the names of its
- *       contributors may be used to endorse or promote products derived
- *       from this software without specific prior written permission.
- *
- *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2017 NXP.
+ * Copyright(c) 2017 Intel Corporation.
  */
 
 #ifndef _RTE_SECURITY_H_
@@ -36,7 +8,6 @@
 
 /**
  * @file rte_security.h
- * @b EXPERIMENTAL: this API may change without prior notice
  *
  * RTE Security Common Definitions
  *
@@ -52,6 +23,7 @@ extern "C" {
 #include <netinet/ip.h>
 #include <netinet/ip6.h>
 
+#include <rte_compat.h>
 #include <rte_common.h>
 #include <rte_crypto.h>
 #include <rte_mbuf.h>
@@ -60,7 +32,7 @@ extern "C" {
 
 /** IPSec protocol mode */
 enum rte_security_ipsec_sa_mode {
-       RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+       RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT = 1,
        /**< IPSec Transport mode */
        RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
        /**< IPSec Tunnel mode */
@@ -68,7 +40,7 @@ enum rte_security_ipsec_sa_mode {
 
 /** IPSec Protocol */
 enum rte_security_ipsec_sa_protocol {
-       RTE_SECURITY_IPSEC_SA_PROTO_AH,
+       RTE_SECURITY_IPSEC_SA_PROTO_AH = 1,
        /**< AH protocol */
        RTE_SECURITY_IPSEC_SA_PROTO_ESP,
        /**< ESP protocol */
@@ -76,7 +48,7 @@ enum rte_security_ipsec_sa_protocol {
 
 /** IPSEC tunnel type */
 enum rte_security_ipsec_tunnel_type {
-       RTE_SECURITY_IPSEC_TUNNEL_IPV4,
+       RTE_SECURITY_IPSEC_TUNNEL_IPV4 = 1,
        /**< Outer header is IPv4 */
        RTE_SECURITY_IPSEC_TUNNEL_IPV6,
        /**< Outer header is IPv6 */
@@ -94,7 +66,7 @@ enum rte_security_ipsec_tunnel_type {
 struct rte_security_ctx {
        void *device;
        /**< Crypto/ethernet device attached */
-       struct rte_security_ops *ops;
+       const struct rte_security_ops *ops;
        /**< Pointer to security ops for the device */
        uint16_t sess_cnt;
        /**< Number of sessions attached to this context */
@@ -221,6 +193,8 @@ struct rte_security_ipsec_xform {
        /**< IPsec SA Mode - transport/tunnel */
        struct rte_security_ipsec_tunnel_param tunnel;
        /**< Tunnel parameters, NULL for transport mode */
+       uint64_t esn_soft_limit;
+       /**< ESN for which the overflow event need to be raised */
 };
 
 /**
@@ -228,6 +202,65 @@ struct rte_security_ipsec_xform {
  */
 struct rte_security_macsec_xform {
        /** To be Filled */
+       int dummy;
+};
+
+/**
+ * PDCP Mode of session
+ */
+enum rte_security_pdcp_domain {
+       RTE_SECURITY_PDCP_MODE_CONTROL, /**< PDCP control plane */
+       RTE_SECURITY_PDCP_MODE_DATA,    /**< PDCP data plane */
+};
+
+/** PDCP Frame direction */
+enum rte_security_pdcp_direction {
+       RTE_SECURITY_PDCP_UPLINK,       /**< Uplink */
+       RTE_SECURITY_PDCP_DOWNLINK,     /**< Downlink */
+};
+
+/** PDCP Sequence Number Size selectors */
+enum rte_security_pdcp_sn_size {
+       /** PDCP_SN_SIZE_5: 5bit sequence number */
+       RTE_SECURITY_PDCP_SN_SIZE_5 = 5,
+       /** PDCP_SN_SIZE_7: 7bit sequence number */
+       RTE_SECURITY_PDCP_SN_SIZE_7 = 7,
+       /** PDCP_SN_SIZE_12: 12bit sequence number */
+       RTE_SECURITY_PDCP_SN_SIZE_12 = 12,
+       /** PDCP_SN_SIZE_15: 15bit sequence number */
+       RTE_SECURITY_PDCP_SN_SIZE_15 = 15,
+       /** PDCP_SN_SIZE_18: 18bit sequence number */
+       RTE_SECURITY_PDCP_SN_SIZE_18 = 18
+};
+
+/**
+ * PDCP security association configuration data.
+ *
+ * This structure contains data required to create a PDCP security session.
+ */
+struct rte_security_pdcp_xform {
+       int8_t bearer;  /**< PDCP bearer ID */
+       /** Enable in order delivery, this field shall be set only if
+        * driver/HW is capable. See RTE_SECURITY_PDCP_ORDERING_CAP.
+        */
+       uint8_t en_ordering;
+       /** Notify driver/HW to detect and remove duplicate packets.
+        * This field should be set only when driver/hw is capable.
+        * See RTE_SECURITY_PDCP_DUP_DETECT_CAP.
+        */
+       uint8_t remove_duplicates;
+       /** PDCP mode of operation: Control or data */
+       enum rte_security_pdcp_domain domain;
+       /** PDCP Frame Direction 0:UL 1:DL */
+       enum rte_security_pdcp_direction pkt_dir;
+       /** Sequence number size, 5/7/12/15/18 */
+       enum rte_security_pdcp_sn_size sn_size;
+       /** Starting Hyper Frame Number to be used together with the SN
+        * from the PDCP frames
+        */
+       uint32_t hfn;
+       /** HFN Threshold for key renegotiation */
+       uint32_t hfn_threshold;
 };
 
 /**
@@ -252,10 +285,12 @@ enum rte_security_session_action_type {
 
 /** Security session protocol definition */
 enum rte_security_session_protocol {
-       RTE_SECURITY_PROTOCOL_IPSEC,
+       RTE_SECURITY_PROTOCOL_IPSEC = 1,
        /**< IPsec Protocol */
        RTE_SECURITY_PROTOCOL_MACSEC,
        /**< MACSec Protocol */
+       RTE_SECURITY_PROTOCOL_PDCP,
+       /**< PDCP Protocol */
 };
 
 /**
@@ -270,10 +305,13 @@ struct rte_security_session_conf {
        union {
                struct rte_security_ipsec_xform ipsec;
                struct rte_security_macsec_xform macsec;
+               struct rte_security_pdcp_xform pdcp;
        };
        /**< Configuration parameters for security session */
        struct rte_crypto_sym_xform *crypto_xform;
        /**< Security Session Crypto Transformations */
+       void *userdata;
+       /**< Application specific userdata to be saved with session */
 };
 
 struct rte_security_session {
@@ -306,11 +344,23 @@ rte_security_session_create(struct rte_security_ctx *instance,
  *  - On success returns 0
  *  - On failure return errno
  */
-int
+int __rte_experimental
 rte_security_session_update(struct rte_security_ctx *instance,
                            struct rte_security_session *sess,
                            struct rte_security_session_conf *conf);
 
+/**
+ * Get the size of the security session data for a device.
+ *
+ * @param   instance   security instance.
+ *
+ * @return
+ *   - Size of the private data, if successful
+ *   - 0 if device is invalid or does not support the operation.
+ */
+unsigned int
+rte_security_session_get_size(struct rte_security_ctx *instance);
+
 /**
  * Free security session header and the session private data and
  * return it to its original mempool.
@@ -345,6 +395,26 @@ rte_security_set_pkt_metadata(struct rte_security_ctx *instance,
                              struct rte_security_session *sess,
                              struct rte_mbuf *mb, void *params);
 
+/**
+ * Get userdata associated with the security session. Device specific metadata
+ * provided would be used to uniquely identify the security session being
+ * referred to. This userdata would be registered while creating the session,
+ * and application can use this to identify the SA etc.
+ *
+ * Device specific metadata would be set in mbuf for inline processed inbound
+ * packets. In addition, the same metadata would be set for IPsec events
+ * reported by rte_eth_event framework.
+ *
+ * @param   instance   security instance
+ * @param   md         device-specific metadata
+ *
+ * @return
+ *  - On success, userdata
+ *  - On failure, NULL
+ */
+void * __rte_experimental
+rte_security_get_userdata(struct rte_security_ctx *instance, uint64_t md);
+
 /**
  * Attach a session to a symmetric crypto operation
  *
@@ -403,6 +473,10 @@ struct rte_security_ipsec_stats {
 
 };
 
+struct rte_security_pdcp_stats {
+       uint64_t reserved;
+};
+
 struct rte_security_stats {
        enum rte_security_session_protocol protocol;
        /**< Security protocol to be configured */
@@ -411,6 +485,7 @@ struct rte_security_stats {
        union {
                struct rte_security_macsec_stats macsec;
                struct rte_security_ipsec_stats ipsec;
+               struct rte_security_pdcp_stats pdcp;
        };
 };
 
@@ -424,7 +499,7 @@ struct rte_security_stats {
  *  - On success return 0
  *  - On failure errno
  */
-int
+int __rte_experimental
 rte_security_session_stats_get(struct rte_security_ctx *instance,
                               struct rte_security_session *sess,
                               struct rte_security_stats *stats);
@@ -452,8 +527,16 @@ struct rte_security_capability {
                /**< IPsec capability */
                struct {
                        /* To be Filled */
+                       int dummy;
                } macsec;
                /**< MACsec capability */
+               struct {
+                       enum rte_security_pdcp_domain domain;
+                       /**< PDCP mode of operation: Control or data */
+                       uint32_t capa_flags;
+                       /**< Capabilitity flags, see RTE_SECURITY_PDCP_* */
+               } pdcp;
+               /**< PDCP capability */
        };
 
        const struct rte_cryptodev_capabilities *crypto_capabilities;
@@ -463,6 +546,19 @@ struct rte_security_capability {
        /**< Device offload flags */
 };
 
+/** Underlying Hardware/driver which support PDCP may or may not support
+ * packet ordering. Set RTE_SECURITY_PDCP_ORDERING_CAP if it support.
+ * If it is not set, driver/HW assumes packets received are in order
+ * and it will be application's responsibility to maintain ordering.
+ */
+#define RTE_SECURITY_PDCP_ORDERING_CAP         0x00000001
+
+/** Underlying Hardware/driver which support PDCP may or may not detect
+ * duplicate packet. Set RTE_SECURITY_PDCP_DUP_DETECT_CAP if it support.
+ * If it is not set, driver/HW assumes there is no duplicate packet received.
+ */
+#define RTE_SECURITY_PDCP_DUP_DETECT_CAP       0x00000002
+
 #define RTE_SECURITY_TX_OLOAD_NEED_MDATA       0x00000001
 /**< HW needs metadata update, see rte_security_set_pkt_metadata().
  */
@@ -495,6 +591,10 @@ struct rte_security_capability_idx {
                        enum rte_security_ipsec_sa_mode mode;
                        enum rte_security_ipsec_sa_direction direction;
                } ipsec;
+               struct {
+                       enum rte_security_pdcp_domain domain;
+                       uint32_t capa_flags;
+               } pdcp;
        };
 };