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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/spdk/dpdk/lib/librte_security/rte_security.h | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/spdk/dpdk/lib/librte_security/rte_security.h')
-rw-r--r-- | src/spdk/dpdk/lib/librte_security/rte_security.h | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/src/spdk/dpdk/lib/librte_security/rte_security.h b/src/spdk/dpdk/lib/librte_security/rte_security.h new file mode 100644 index 000000000..747830d67 --- /dev/null +++ b/src/spdk/dpdk/lib/librte_security/rte_security.h @@ -0,0 +1,686 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright 2017,2019 NXP + * Copyright(c) 2017-2020 Intel Corporation. + */ + +#ifndef _RTE_SECURITY_H_ +#define _RTE_SECURITY_H_ + +/** + * @file rte_security.h + * + * 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_compat.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 = 1, + /**< 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 = 1, + /**< AH protocol */ + RTE_SECURITY_IPSEC_SA_PROTO_ESP, + /**< ESP protocol */ +}; + +/** IPSEC tunnel type */ +enum rte_security_ipsec_tunnel_type { + RTE_SECURITY_IPSEC_TUNNEL_IPV4 = 1, + /**< 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 */ + const 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; + + /** Explicit Congestion Notification (ECN) + * + * * 1: In tunnel mode, enable outer header ECN Field copied from + * inner header in tunnel encapsulation, or inner header ECN + * field construction in decapsulation. + * * 0: Inner/outer header are not modified. + */ + uint32_t ecn : 1; + + /** Security statistics + * + * * 1: Enable per session security statistics collection for + * this SA, if supported by the driver. + * * 0: Disable per session security statistics collection for this SA. + */ + uint32_t stats : 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 */ + uint64_t esn_soft_limit; + /**< ESN for which the overflow event need to be raised */ + uint32_t replay_win_sz; + /**< Anti replay window size to enable sequence replay attack handling. + * replay checking is disabled if the window size is 0. + */ +}; + +/** + * MACsec security session configuration + */ +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; + /** HFN can be given as a per packet value also. + * As we do not have IV in case of PDCP, and HFN is + * used to generate IV. IV field can be used to get the + * per packet HFN while enq/deq. + * If hfn_ovrd field is set, user is expected to set the + * per packet HFN in place of IV. PMDs will extract the HFN + * and perform operations accordingly. + */ + uint32_t hfn_ovrd; +}; + +/** + * 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 + */ + RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO + /**< Similar to ACTION_TYPE_NONE but crypto processing for security + * protocol is processed synchronously by a CPU. + */ +}; + +/** Security session protocol definition */ +enum rte_security_session_protocol { + RTE_SECURITY_PROTOCOL_IPSEC = 1, + /**< IPsec Protocol */ + RTE_SECURITY_PROTOCOL_MACSEC, + /**< MACSec Protocol */ + RTE_SECURITY_PROTOCOL_PDCP, + /**< PDCP 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 */ + RTE_STD_C11 + 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 { + void *sess_private_data; + /**< Private session material */ + uint64_t opaque_data; + /**< Opaque user defined data */ +}; + +/** + * 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 returns a negative errno value. + */ +__rte_experimental +int +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. + * + * @param instance security instance + * @param sess security session to be freed + * + * @return + * - 0 if successful. + * - -EINVAL if session or context instance is NULL. + * - -EBUSY if not all device private data has been freed. + * - -ENOTSUP if destroying private data is not supported. + * - other negative values in case of freeing private data errors. + */ +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); + +/** + * 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 + */ +__rte_experimental +void * +rte_security_get_userdata(struct rte_security_ctx *instance, uint64_t md); + +/** + * 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 ipackets; /**< Successfully received IPsec packets. */ + uint64_t opackets; /**< Successfully transmitted IPsec packets.*/ + uint64_t ibytes; /**< Successfully received IPsec bytes. */ + uint64_t obytes; /**< Successfully transmitted IPsec bytes. */ + uint64_t ierrors; /**< IPsec packets receive/decrypt errors. */ + uint64_t oerrors; /**< IPsec packets transmit/encrypt errors. */ + uint64_t reserved1; /**< Reserved for future use. */ + uint64_t reserved2; /**< Reserved for future use. */ +}; + +struct rte_security_pdcp_stats { + uint64_t reserved; +}; + +struct rte_security_stats { + enum rte_security_session_protocol protocol; + /**< Security protocol to be configured */ + + RTE_STD_C11 + union { + struct rte_security_macsec_stats macsec; + struct rte_security_ipsec_stats ipsec; + struct rte_security_pdcp_stats pdcp; + }; +}; + +/** + * Get security session statistics + * + * @param instance security instance + * @param sess security session + * If security session is NULL then global (per security instance) statistics + * will be retrieved, if supported. Global statistics collection is not + * dependent on the per session statistics configuration. + * @param stats statistics + * @return + * - On success, return 0 + * - On failure, a negative value + */ +__rte_experimental +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 */ + uint32_t replay_win_sz_max; + /**< IPsec Anti Replay Window Size. A '0' value + * indicates that Anti Replay is not supported. + */ + } ipsec; + /**< 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; + /**< Capability flags, see RTE_SECURITY_PDCP_* */ + } pdcp; + /**< PDCP capability */ + }; + + const struct rte_cryptodev_capabilities *crypto_capabilities; + /**< Corresponding crypto capabilities for security capability */ + + uint32_t ol_flags; + /**< 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(). + */ + +#define RTE_SECURITY_TX_HW_TRAILER_OFFLOAD 0x00000002 +/**< HW constructs trailer of packets + * Transmitted packets will have the trailer added to them + * by hardware. 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; + + RTE_STD_C11 + union { + struct { + enum rte_security_ipsec_sa_protocol proto; + 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; + }; +}; + +/** + * 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_ */ |