New upstream version 17.11-rc3

Change-Id: I6a5baa40612fe0c20f30b5fa773a6cbbac63a685
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>

1 files changed, 529 insertions, 0 deletions

diff --git a/lib/librte_security/rte_security.h b/lib/librte_security/rte_security.h
new file mode 100644
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--- /dev/null
+++ b/lib/librte_security/rte_security.h
@@ -0,0 +1,529 @@
+/*-
+ *   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.
+ */
+
+#ifndef _RTE_SECURITY_H_
+#define _RTE_SECURITY_H_
+
+/**
+ * @file rte_security.h
+ * @b EXPERIMENTAL: this API may change without prior notice
+ *
+ * RTE Security Common Definitions
+ *
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <sys/types.h>
+
+#include <netinet/in.h>
+#include <netinet/ip.h>
+#include <netinet/ip6.h>
+
+#include <rte_common.h>
+#include <rte_crypto.h>
+#include <rte_mbuf.h>
+#include <rte_memory.h>
+#include <rte_mempool.h>
+
+/** IPSec protocol mode */
+enum rte_security_ipsec_sa_mode {
+	RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT,
+	/**< IPSec Transport mode */
+	RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
+	/**< IPSec Tunnel mode */
+};
+
+/** IPSec Protocol */
+enum rte_security_ipsec_sa_protocol {
+	RTE_SECURITY_IPSEC_SA_PROTO_AH,
+	/**< AH protocol */
+	RTE_SECURITY_IPSEC_SA_PROTO_ESP,
+	/**< ESP protocol */
+};
+
+/** IPSEC tunnel type */
+enum rte_security_ipsec_tunnel_type {
+	RTE_SECURITY_IPSEC_TUNNEL_IPV4,
+	/**< Outer header is IPv4 */
+	RTE_SECURITY_IPSEC_TUNNEL_IPV6,
+	/**< Outer header is IPv6 */
+};
+
+/**
+ * Security context for crypto/eth devices
+ *
+ * Security instance for each driver to register security operations.
+ * The application can get the security context from the crypto/eth device id
+ * using the APIs rte_cryptodev_get_sec_ctx()/rte_eth_dev_get_sec_ctx()
+ * This structure is used to identify the device(crypto/eth) for which the
+ * security operations need to be performed.
+ */
+struct rte_security_ctx {
+	void *device;
+	/**< Crypto/ethernet device attached */
+	struct rte_security_ops *ops;
+	/**< Pointer to security ops for the device */
+	uint16_t sess_cnt;
+	/**< Number of sessions attached to this context */
+};
+
+/**
+ * IPSEC tunnel parameters
+ *
+ * These parameters are used to build outbound tunnel headers.
+ */
+struct rte_security_ipsec_tunnel_param {
+	enum rte_security_ipsec_tunnel_type type;
+	/**< Tunnel type: IPv4 or IPv6 */
+	RTE_STD_C11
+	union {
+		struct {
+			struct in_addr src_ip;
+			/**< IPv4 source address */
+			struct in_addr dst_ip;
+			/**< IPv4 destination address */
+			uint8_t dscp;
+			/**< IPv4 Differentiated Services Code Point */
+			uint8_t df;
+			/**< IPv4 Don't Fragment bit */
+			uint8_t ttl;
+			/**< IPv4 Time To Live */
+		} ipv4;
+		/**< IPv4 header parameters */
+		struct {
+			struct in6_addr src_addr;
+			/**< IPv6 source address */
+			struct in6_addr dst_addr;
+			/**< IPv6 destination address */
+			uint8_t dscp;
+			/**< IPv6 Differentiated Services Code Point */
+			uint32_t flabel;
+			/**< IPv6 flow label */
+			uint8_t hlimit;
+			/**< IPv6 hop limit */
+		} ipv6;
+		/**< IPv6 header parameters */
+	};
+};
+
+/**
+ * IPsec Security Association option flags
+ */
+struct rte_security_ipsec_sa_options {
+	/**< Extended Sequence Numbers (ESN)
+	 *
+	 * * 1: Use extended (64 bit) sequence numbers
+	 * * 0: Use normal sequence numbers
+	 */
+	uint32_t esn : 1;
+
+	/**< UDP encapsulation
+	 *
+	 * * 1: Do UDP encapsulation/decapsulation so that IPSEC packets can
+	 *      traverse through NAT boxes.
+	 * * 0: No UDP encapsulation
+	 */
+	uint32_t udp_encap : 1;
+
+	/**< Copy DSCP bits
+	 *
+	 * * 1: Copy IPv4 or IPv6 DSCP bits from inner IP header to
+	 *      the outer IP header in encapsulation, and vice versa in
+	 *      decapsulation.
+	 * * 0: Do not change DSCP field.
+	 */
+	uint32_t copy_dscp : 1;
+
+	/**< Copy IPv6 Flow Label
+	 *
+	 * * 1: Copy IPv6 flow label from inner IPv6 header to the
+	 *      outer IPv6 header.
+	 * * 0: Outer header is not modified.
+	 */
+	uint32_t copy_flabel : 1;
+
+	/**< Copy IPv4 Don't Fragment bit
+	 *
+	 * * 1: Copy the DF bit from the inner IPv4 header to the outer
+	 *      IPv4 header.
+	 * * 0: Outer header is not modified.
+	 */
+	uint32_t copy_df : 1;
+
+	/**< Decrement inner packet Time To Live (TTL) field
+	 *
+	 * * 1: In tunnel mode, decrement inner packet IPv4 TTL or
+	 *      IPv6 Hop Limit after tunnel decapsulation, or before tunnel
+	 *      encapsulation.
+	 * * 0: Inner packet is not modified.
+	 */
+	uint32_t dec_ttl : 1;
+};
+
+/** IPSec security association direction */
+enum rte_security_ipsec_sa_direction {
+	RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
+	/**< Encrypt and generate digest */
+	RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
+	/**< Verify digest and decrypt */
+};
+
+/**
+ * IPsec security association configuration data.
+ *
+ * This structure contains data required to create an IPsec SA security session.
+ */
+struct rte_security_ipsec_xform {
+	uint32_t spi;
+	/**< SA security parameter index */
+	uint32_t salt;
+	/**< SA salt */
+	struct rte_security_ipsec_sa_options options;
+	/**< various SA options */
+	enum rte_security_ipsec_sa_direction direction;
+	/**< IPSec SA Direction - Egress/Ingress */
+	enum rte_security_ipsec_sa_protocol proto;
+	/**< IPsec SA Protocol - AH/ESP */
+	enum rte_security_ipsec_sa_mode mode;
+	/**< IPsec SA Mode - transport/tunnel */
+	struct rte_security_ipsec_tunnel_param tunnel;
+	/**< Tunnel parameters, NULL for transport mode */
+};
+
+/**
+ * MACsec security session configuration
+ */
+struct rte_security_macsec_xform {
+	/** To be Filled */
+};
+
+/**
+ * Security session action type.
+ */
+enum rte_security_session_action_type {
+	RTE_SECURITY_ACTION_TYPE_NONE,
+	/**< No security actions */
+	RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
+	/**< Crypto processing for security protocol is processed inline
+	 * during transmission
+	 */
+	RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL,
+	/**< All security protocol processing is performed inline during
+	 * transmission
+	 */
+	RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL
+	/**< All security protocol processing including crypto is performed
+	 * on a lookaside accelerator
+	 */
+};
+
+/** Security session protocol definition */
+enum rte_security_session_protocol {
+	RTE_SECURITY_PROTOCOL_IPSEC,
+	/**< IPsec Protocol */
+	RTE_SECURITY_PROTOCOL_MACSEC,
+	/**< MACSec Protocol */
+};
+
+/**
+ * Security session configuration
+ */
+struct rte_security_session_conf {
+	enum rte_security_session_action_type action_type;
+	/**< Type of action to be performed on the session */
+	enum rte_security_session_protocol protocol;
+	/**< Security protocol to be configured */
+	union {
+		struct rte_security_ipsec_xform ipsec;
+		struct rte_security_macsec_xform macsec;
+	};
+	/**< Configuration parameters for security session */
+	struct rte_crypto_sym_xform *crypto_xform;
+	/**< Security Session Crypto Transformations */
+};
+
+struct rte_security_session {
+	void *sess_private_data;
+	/**< Private session material */
+};
+
+/**
+ * Create security session as specified by the session configuration
+ *
+ * @param   instance	security instance
+ * @param   conf	session configuration parameters
+ * @param   mp		mempool to allocate session objects from
+ * @return
+ *  - On success, pointer to session
+ *  - On failure, NULL
+ */
+struct rte_security_session *
+rte_security_session_create(struct rte_security_ctx *instance,
+			    struct rte_security_session_conf *conf,
+			    struct rte_mempool *mp);
+
+/**
+ * Update security session as specified by the session configuration
+ *
+ * @param   instance	security instance
+ * @param   sess	session to update parameters
+ * @param   conf	update configuration parameters
+ * @return
+ *  - On success returns 0
+ *  - On failure return errno
+ */
+int
+rte_security_session_update(struct rte_security_ctx *instance,
+			    struct rte_security_session *sess,
+			    struct rte_security_session_conf *conf);
+
+/**
+ * Free security session header and the session private data and
+ * return it to its original mempool.
+ *
+ * @param   instance	security instance
+ * @param   sess	security session to freed
+ *
+ * @return
+ *  - 0 if successful.
+ *  - -EINVAL if session is NULL.
+ *  - -EBUSY if not all device private data has been freed.
+ */
+int
+rte_security_session_destroy(struct rte_security_ctx *instance,
+			     struct rte_security_session *sess);
+
+/**
+ *  Updates the buffer with device-specific defined metadata
+ *
+ * @param	instance	security instance
+ * @param	sess		security session
+ * @param	mb		packet mbuf to set metadata on.
+ * @param	params		device-specific defined parameters
+ *				required for metadata
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+int
+rte_security_set_pkt_metadata(struct rte_security_ctx *instance,
+			      struct rte_security_session *sess,
+			      struct rte_mbuf *mb, void *params);
+
+/**
+ * Attach a session to a symmetric crypto operation
+ *
+ * @param	sym_op	crypto operation
+ * @param	sess	security session
+ */
+static inline int
+__rte_security_attach_session(struct rte_crypto_sym_op *sym_op,
+			      struct rte_security_session *sess)
+{
+	sym_op->sec_session = sess;
+
+	return 0;
+}
+
+static inline void *
+get_sec_session_private_data(const struct rte_security_session *sess)
+{
+	return sess->sess_private_data;
+}
+
+static inline void
+set_sec_session_private_data(struct rte_security_session *sess,
+			     void *private_data)
+{
+	sess->sess_private_data = private_data;
+}
+
+/**
+ * Attach a session to a crypto operation.
+ * This API is needed only in case of RTE_SECURITY_SESS_CRYPTO_PROTO_OFFLOAD
+ * For other rte_security_session_action_type, ol_flags in rte_mbuf may be
+ * defined to perform security operations.
+ *
+ * @param	op	crypto operation
+ * @param	sess	security session
+ */
+static inline int
+rte_security_attach_session(struct rte_crypto_op *op,
+			    struct rte_security_session *sess)
+{
+	if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC))
+		return -EINVAL;
+
+	op->sess_type =  RTE_CRYPTO_OP_SECURITY_SESSION;
+
+	return __rte_security_attach_session(op->sym, sess);
+}
+
+struct rte_security_macsec_stats {
+	uint64_t reserved;
+};
+
+struct rte_security_ipsec_stats {
+	uint64_t reserved;
+
+};
+
+struct rte_security_stats {
+	enum rte_security_session_protocol protocol;
+	/**< Security protocol to be configured */
+
+	union {
+		struct rte_security_macsec_stats macsec;
+		struct rte_security_ipsec_stats ipsec;
+	};
+};
+
+/**
+ * Get security session statistics
+ *
+ * @param	instance	security instance
+ * @param	sess		security session
+ * @param	stats		statistics
+ * @return
+ *  - On success return 0
+ *  - On failure errno
+ */
+int
+rte_security_session_stats_get(struct rte_security_ctx *instance,
+			       struct rte_security_session *sess,
+			       struct rte_security_stats *stats);
+
+/**
+ * Security capability definition
+ */
+struct rte_security_capability {
+	enum rte_security_session_action_type action;
+	/**< Security action type*/
+	enum rte_security_session_protocol protocol;
+	/**< Security protocol */
+	RTE_STD_C11
+	union {
+		struct {
+			enum rte_security_ipsec_sa_protocol proto;
+			/**< IPsec SA protocol */
+			enum rte_security_ipsec_sa_mode mode;
+			/**< IPsec SA mode */
+			enum rte_security_ipsec_sa_direction direction;
+			/**< IPsec SA direction */
+			struct rte_security_ipsec_sa_options options;
+			/**< IPsec SA supported options */
+		} ipsec;
+		/**< IPsec capability */
+		struct {
+			/* To be Filled */
+		} macsec;
+		/**< MACsec capability */
+	};
+
+	const struct rte_cryptodev_capabilities *crypto_capabilities;
+	/**< Corresponding crypto capabilities for security capability  */
+
+	uint32_t ol_flags;
+	/**< Device offload flags */
+};
+
+#define RTE_SECURITY_TX_OLOAD_NEED_MDATA	0x00000001
+/**< HW needs metadata update, see rte_security_set_pkt_metadata().
+ */
+
+#define RTE_SECURITY_TX_HW_TRAILER_OFFLOAD	0x00000002
+/**< HW constructs trailer of packets
+ * Transmitted packets will have the trailer added to them
+ * by hardawre. The next protocol field will be based on
+ * the mbuf->inner_esp_next_proto field.
+ */
+#define RTE_SECURITY_RX_HW_TRAILER_OFFLOAD	0x00010000
+/**< HW removes trailer of packets
+ * Received packets have no trailer, the next protocol field
+ * is supplied in the mbuf->inner_esp_next_proto field.
+ * Inner packet is not modified.
+ */
+
+/**
+ * Security capability index used to query a security instance for a specific
+ * security capability
+ */
+struct rte_security_capability_idx {
+	enum rte_security_session_action_type action;
+	enum rte_security_session_protocol protocol;
+
+	union {
+		struct {
+			enum rte_security_ipsec_sa_protocol proto;
+			enum rte_security_ipsec_sa_mode mode;
+			enum rte_security_ipsec_sa_direction direction;
+		} ipsec;
+	};
+};
+
+/**
+ *  Returns array of security instance capabilities
+ *
+ * @param	instance	Security instance.
+ *
+ * @return
+ *   - Returns array of security capabilities.
+ *   - Return NULL if no capabilities available.
+ */
+const struct rte_security_capability *
+rte_security_capabilities_get(struct rte_security_ctx *instance);
+
+/**
+ * Query if a specific capability is available on security instance
+ *
+ * @param	instance	security instance.
+ * @param	idx		security capability index to match against
+ *
+ * @return
+ *   - Returns pointer to security capability on match of capability
+ *     index criteria.
+ *   - Return NULL if the capability not matched on security instance.
+ */
+const struct rte_security_capability *
+rte_security_capability_get(struct rte_security_ctx *instance,
+			    struct rte_security_capability_idx *idx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RTE_SECURITY_H_ */