1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2017,2019-2020 NXP
3 * Copyright(c) 2017-2020 Intel Corporation.
6 #ifndef _RTE_SECURITY_H_
7 #define _RTE_SECURITY_H_
10 * @file rte_security.h
12 * RTE Security Common Definitions
20 #include <sys/types.h>
22 #include <rte_compat.h>
23 #include <rte_common.h>
24 #include <rte_crypto.h>
27 #include <rte_mbuf_dyn.h>
28 #include <rte_memory.h>
29 #include <rte_mempool.h>
31 /** IPSec protocol mode */
32 enum rte_security_ipsec_sa_mode {
33 RTE_SECURITY_IPSEC_SA_MODE_TRANSPORT = 1,
34 /**< IPSec Transport mode */
35 RTE_SECURITY_IPSEC_SA_MODE_TUNNEL,
36 /**< IPSec Tunnel mode */
40 enum rte_security_ipsec_sa_protocol {
41 RTE_SECURITY_IPSEC_SA_PROTO_AH = 1,
43 RTE_SECURITY_IPSEC_SA_PROTO_ESP,
47 /** IPSEC tunnel type */
48 enum rte_security_ipsec_tunnel_type {
49 RTE_SECURITY_IPSEC_TUNNEL_IPV4 = 1,
50 /**< Outer header is IPv4 */
51 RTE_SECURITY_IPSEC_TUNNEL_IPV6,
52 /**< Outer header is IPv6 */
56 * IPSEC tunnel header verification mode
58 * Controls how outer IP header is verified in inbound.
60 #define RTE_SECURITY_IPSEC_TUNNEL_VERIFY_DST_ADDR 0x1
61 #define RTE_SECURITY_IPSEC_TUNNEL_VERIFY_SRC_DST_ADDR 0x2
64 * Security context for crypto/eth devices
66 * Security instance for each driver to register security operations.
67 * The application can get the security context from the crypto/eth device id
68 * using the APIs rte_cryptodev_get_sec_ctx()/rte_eth_dev_get_sec_ctx()
69 * This structure is used to identify the device(crypto/eth) for which the
70 * security operations need to be performed.
72 struct rte_security_ctx {
74 /**< Crypto/ethernet device attached */
75 const struct rte_security_ops *ops;
76 /**< Pointer to security ops for the device */
78 /**< Number of sessions attached to this context */
80 /**< Flags for security context */
83 #define RTE_SEC_CTX_F_FAST_SET_MDATA 0x00000001
84 /**< Driver uses fast metadata update without using driver specific callback */
86 #define RTE_SEC_CTX_F_FAST_GET_UDATA 0x00000002
87 /**< Driver provides udata using fast method without using driver specific
88 * callback. For fast mdata and udata, mbuf dynamic field would be registered
89 * by driver via rte_security_dynfield_register().
93 * IPSEC tunnel parameters
95 * These parameters are used to build outbound tunnel headers.
97 struct rte_security_ipsec_tunnel_param {
98 enum rte_security_ipsec_tunnel_type type;
99 /**< Tunnel type: IPv4 or IPv6 */
103 struct in_addr src_ip;
104 /**< IPv4 source address */
105 struct in_addr dst_ip;
106 /**< IPv4 destination address */
108 /**< IPv4 Differentiated Services Code Point */
110 /**< IPv4 Don't Fragment bit */
112 /**< IPv4 Time To Live */
114 /**< IPv4 header parameters */
116 struct in6_addr src_addr;
117 /**< IPv6 source address */
118 struct in6_addr dst_addr;
119 /**< IPv6 destination address */
121 /**< IPv6 Differentiated Services Code Point */
123 /**< IPv6 flow label */
125 /**< IPv6 hop limit */
127 /**< IPv6 header parameters */
132 * IPsec Security Association option flags
134 struct rte_security_ipsec_sa_options {
135 /** Extended Sequence Numbers (ESN)
137 * * 1: Use extended (64 bit) sequence numbers
138 * * 0: Use normal sequence numbers
142 /** UDP encapsulation
144 * * 1: Do UDP encapsulation/decapsulation so that IPSEC packets can
145 * traverse through NAT boxes.
146 * * 0: No UDP encapsulation
148 uint32_t udp_encap : 1;
152 * * 1: Copy IPv4 or IPv6 DSCP bits from inner IP header to
153 * the outer IP header in encapsulation, and vice versa in
155 * * 0: Do not change DSCP field.
157 uint32_t copy_dscp : 1;
159 /** Copy IPv6 Flow Label
161 * * 1: Copy IPv6 flow label from inner IPv6 header to the
163 * * 0: Outer header is not modified.
165 uint32_t copy_flabel : 1;
167 /** Copy IPv4 Don't Fragment bit
169 * * 1: Copy the DF bit from the inner IPv4 header to the outer
171 * * 0: Outer header is not modified.
173 uint32_t copy_df : 1;
175 /** Decrement inner packet Time To Live (TTL) field
177 * * 1: In tunnel mode, decrement inner packet IPv4 TTL or
178 * IPv6 Hop Limit after tunnel decapsulation, or before tunnel
180 * * 0: Inner packet is not modified.
182 uint32_t dec_ttl : 1;
184 /** Explicit Congestion Notification (ECN)
186 * * 1: In tunnel mode, enable outer header ECN Field copied from
187 * inner header in tunnel encapsulation, or inner header ECN
188 * field construction in decapsulation.
189 * * 0: Inner/outer header are not modified.
193 /** Security statistics
195 * * 1: Enable per session security statistics collection for
196 * this SA, if supported by the driver.
197 * * 0: Disable per session security statistics collection for this SA.
201 /** Disable IV generation in PMD
203 * * 1: Disable IV generation in PMD. When disabled, IV provided in
204 * rte_crypto_op will be used by the PMD.
206 * * 0: Enable IV generation in PMD. When enabled, PMD generated random
207 * value would be used and application is not required to provide
210 * Note: For inline cases, IV generation would always need to be handled
213 uint32_t iv_gen_disable : 1;
215 /** Verify tunnel header in inbound
216 * * ``RTE_SECURITY_IPSEC_TUNNEL_VERIFY_DST_ADDR``: Verify destination
219 * * ``RTE_SECURITY_IPSEC_TUNNEL_VERIFY_SRC_DST_ADDR``: Verify both
220 * source and destination IP addresses.
222 uint32_t tunnel_hdr_verify : 2;
225 /** IPSec security association direction */
226 enum rte_security_ipsec_sa_direction {
227 RTE_SECURITY_IPSEC_SA_DIR_EGRESS,
228 /**< Encrypt and generate digest */
229 RTE_SECURITY_IPSEC_SA_DIR_INGRESS,
230 /**< Verify digest and decrypt */
234 * Configure soft and hard lifetime of an IPsec SA
236 * Lifetime of an IPsec SA would specify the maximum number of packets or bytes
237 * that can be processed. IPsec operations would start failing once any hard
240 * Soft limits can be specified to generate notification when the SA is
241 * approaching hard limits for lifetime. For inline operations, reaching soft
242 * expiry limit would result in raising an eth event for the same. For lookaside
243 * operations, this would result in a warning returned in
244 * ``rte_crypto_op.aux_flags``.
246 struct rte_security_ipsec_lifetime {
247 uint64_t packets_soft_limit;
248 /**< Soft expiry limit in number of packets */
249 uint64_t bytes_soft_limit;
250 /**< Soft expiry limit in bytes */
251 uint64_t packets_hard_limit;
252 /**< Soft expiry limit in number of packets */
253 uint64_t bytes_hard_limit;
254 /**< Soft expiry limit in bytes */
258 * IPsec security association configuration data.
260 * This structure contains data required to create an IPsec SA security session.
262 struct rte_security_ipsec_xform {
264 /**< SA security parameter index */
267 struct rte_security_ipsec_sa_options options;
268 /**< various SA options */
269 enum rte_security_ipsec_sa_direction direction;
270 /**< IPSec SA Direction - Egress/Ingress */
271 enum rte_security_ipsec_sa_protocol proto;
272 /**< IPsec SA Protocol - AH/ESP */
273 enum rte_security_ipsec_sa_mode mode;
274 /**< IPsec SA Mode - transport/tunnel */
275 struct rte_security_ipsec_tunnel_param tunnel;
276 /**< Tunnel parameters, NULL for transport mode */
277 struct rte_security_ipsec_lifetime life;
278 /**< IPsec SA lifetime */
279 uint32_t replay_win_sz;
280 /**< Anti replay window size to enable sequence replay attack handling.
281 * replay checking is disabled if the window size is 0.
286 * MACsec security session configuration
288 struct rte_security_macsec_xform {
294 * PDCP Mode of session
296 enum rte_security_pdcp_domain {
297 RTE_SECURITY_PDCP_MODE_CONTROL, /**< PDCP control plane */
298 RTE_SECURITY_PDCP_MODE_DATA, /**< PDCP data plane */
299 RTE_SECURITY_PDCP_MODE_SHORT_MAC, /**< PDCP short mac */
302 /** PDCP Frame direction */
303 enum rte_security_pdcp_direction {
304 RTE_SECURITY_PDCP_UPLINK, /**< Uplink */
305 RTE_SECURITY_PDCP_DOWNLINK, /**< Downlink */
308 /** PDCP Sequence Number Size selectors */
309 enum rte_security_pdcp_sn_size {
310 /** PDCP_SN_SIZE_5: 5bit sequence number */
311 RTE_SECURITY_PDCP_SN_SIZE_5 = 5,
312 /** PDCP_SN_SIZE_7: 7bit sequence number */
313 RTE_SECURITY_PDCP_SN_SIZE_7 = 7,
314 /** PDCP_SN_SIZE_12: 12bit sequence number */
315 RTE_SECURITY_PDCP_SN_SIZE_12 = 12,
316 /** PDCP_SN_SIZE_15: 15bit sequence number */
317 RTE_SECURITY_PDCP_SN_SIZE_15 = 15,
318 /** PDCP_SN_SIZE_18: 18bit sequence number */
319 RTE_SECURITY_PDCP_SN_SIZE_18 = 18
323 * PDCP security association configuration data.
325 * This structure contains data required to create a PDCP security session.
327 struct rte_security_pdcp_xform {
328 int8_t bearer; /**< PDCP bearer ID */
329 /** Enable in order delivery, this field shall be set only if
330 * driver/HW is capable. See RTE_SECURITY_PDCP_ORDERING_CAP.
333 /** Notify driver/HW to detect and remove duplicate packets.
334 * This field should be set only when driver/hw is capable.
335 * See RTE_SECURITY_PDCP_DUP_DETECT_CAP.
337 uint8_t remove_duplicates;
338 /** PDCP mode of operation: Control or data */
339 enum rte_security_pdcp_domain domain;
340 /** PDCP Frame Direction 0:UL 1:DL */
341 enum rte_security_pdcp_direction pkt_dir;
342 /** Sequence number size, 5/7/12/15/18 */
343 enum rte_security_pdcp_sn_size sn_size;
344 /** Starting Hyper Frame Number to be used together with the SN
345 * from the PDCP frames
348 /** HFN Threshold for key renegotiation */
349 uint32_t hfn_threshold;
350 /** HFN can be given as a per packet value also.
351 * As we do not have IV in case of PDCP, and HFN is
352 * used to generate IV. IV field can be used to get the
353 * per packet HFN while enq/deq.
354 * If hfn_ovrd field is set, user is expected to set the
355 * per packet HFN in place of IV. PMDs will extract the HFN
356 * and perform operations accordingly.
359 /** In case of 5G NR, a new protocol (SDAP) header may be set
360 * inside PDCP payload which should be authenticated but not
361 * encrypted. Hence, driver should be notified if SDAP is
362 * enabled or not, so that SDAP header is not encrypted.
364 uint8_t sdap_enabled;
365 /** Reserved for future */
369 /** DOCSIS direction */
370 enum rte_security_docsis_direction {
371 RTE_SECURITY_DOCSIS_UPLINK,
373 * - Decryption, followed by CRC Verification
375 RTE_SECURITY_DOCSIS_DOWNLINK,
377 * - CRC Generation, followed by Encryption
382 * DOCSIS security session configuration.
384 * This structure contains data required to create a DOCSIS security session.
386 struct rte_security_docsis_xform {
387 enum rte_security_docsis_direction direction;
388 /**< DOCSIS direction */
392 * Security session action type.
394 enum rte_security_session_action_type {
395 RTE_SECURITY_ACTION_TYPE_NONE,
396 /**< No security actions */
397 RTE_SECURITY_ACTION_TYPE_INLINE_CRYPTO,
398 /**< Crypto processing for security protocol is processed inline
399 * during transmission
401 RTE_SECURITY_ACTION_TYPE_INLINE_PROTOCOL,
402 /**< All security protocol processing is performed inline during
405 RTE_SECURITY_ACTION_TYPE_LOOKASIDE_PROTOCOL,
406 /**< All security protocol processing including crypto is performed
407 * on a lookaside accelerator
409 RTE_SECURITY_ACTION_TYPE_CPU_CRYPTO
410 /**< Similar to ACTION_TYPE_NONE but crypto processing for security
411 * protocol is processed synchronously by a CPU.
415 /** Security session protocol definition */
416 enum rte_security_session_protocol {
417 RTE_SECURITY_PROTOCOL_IPSEC = 1,
418 /**< IPsec Protocol */
419 RTE_SECURITY_PROTOCOL_MACSEC,
420 /**< MACSec Protocol */
421 RTE_SECURITY_PROTOCOL_PDCP,
422 /**< PDCP Protocol */
423 RTE_SECURITY_PROTOCOL_DOCSIS,
424 /**< DOCSIS Protocol */
428 * Security session configuration
430 struct rte_security_session_conf {
431 enum rte_security_session_action_type action_type;
432 /**< Type of action to be performed on the session */
433 enum rte_security_session_protocol protocol;
434 /**< Security protocol to be configured */
437 struct rte_security_ipsec_xform ipsec;
438 struct rte_security_macsec_xform macsec;
439 struct rte_security_pdcp_xform pdcp;
440 struct rte_security_docsis_xform docsis;
442 /**< Configuration parameters for security session */
443 struct rte_crypto_sym_xform *crypto_xform;
444 /**< Security Session Crypto Transformations */
446 /**< Application specific userdata to be saved with session */
449 struct rte_security_session {
450 void *sess_private_data;
451 /**< Private session material */
452 uint64_t opaque_data;
453 /**< Opaque user defined data */
457 * Create security session as specified by the session configuration
459 * @param instance security instance
460 * @param conf session configuration parameters
461 * @param mp mempool to allocate session objects from
462 * @param priv_mp mempool to allocate session private data objects from
464 * - On success, pointer to session
467 struct rte_security_session *
468 rte_security_session_create(struct rte_security_ctx *instance,
469 struct rte_security_session_conf *conf,
470 struct rte_mempool *mp,
471 struct rte_mempool *priv_mp);
474 * Update security session as specified by the session configuration
476 * @param instance security instance
477 * @param sess session to update parameters
478 * @param conf update configuration parameters
480 * - On success returns 0
481 * - On failure returns a negative errno value.
485 rte_security_session_update(struct rte_security_ctx *instance,
486 struct rte_security_session *sess,
487 struct rte_security_session_conf *conf);
490 * Get the size of the security session data for a device.
492 * @param instance security instance.
495 * - Size of the private data, if successful
496 * - 0 if device is invalid or does not support the operation.
499 rte_security_session_get_size(struct rte_security_ctx *instance);
502 * Free security session header and the session private data and
503 * return it to its original mempool.
505 * @param instance security instance
506 * @param sess security session to be freed
510 * - -EINVAL if session or context instance is NULL.
511 * - -EBUSY if not all device private data has been freed.
512 * - -ENOTSUP if destroying private data is not supported.
513 * - other negative values in case of freeing private data errors.
516 rte_security_session_destroy(struct rte_security_ctx *instance,
517 struct rte_security_session *sess);
519 /** Device-specific metadata field type */
520 typedef uint64_t rte_security_dynfield_t;
521 /** Dynamic mbuf field for device-specific metadata */
522 extern int rte_security_dynfield_offset;
526 * @b EXPERIMENTAL: this API may change without prior notice
528 * Get pointer to mbuf field for device-specific metadata.
530 * For performance reason, no check is done,
531 * the dynamic field may not be registered.
532 * @see rte_security_dynfield_is_registered
534 * @param mbuf packet to access
535 * @return pointer to mbuf field
538 static inline rte_security_dynfield_t *
539 rte_security_dynfield(struct rte_mbuf *mbuf)
541 return RTE_MBUF_DYNFIELD(mbuf,
542 rte_security_dynfield_offset,
543 rte_security_dynfield_t *);
548 * @b EXPERIMENTAL: this API may change without prior notice
550 * Check whether the dynamic field is registered.
552 * @return true if rte_security_dynfield_register() has been called.
555 static inline bool rte_security_dynfield_is_registered(void)
557 return rte_security_dynfield_offset >= 0;
560 /** Function to call PMD specific function pointer set_pkt_metadata() */
562 extern int __rte_security_set_pkt_metadata(struct rte_security_ctx *instance,
563 struct rte_security_session *sess,
564 struct rte_mbuf *m, void *params);
567 * Updates the buffer with device-specific defined metadata
569 * @param instance security instance
570 * @param sess security session
571 * @param mb packet mbuf to set metadata on.
572 * @param params device-specific defined parameters
573 * required for metadata
576 * - On success, zero.
577 * - On failure, a negative value.
580 rte_security_set_pkt_metadata(struct rte_security_ctx *instance,
581 struct rte_security_session *sess,
582 struct rte_mbuf *mb, void *params)
585 if (instance->flags & RTE_SEC_CTX_F_FAST_SET_MDATA) {
586 *rte_security_dynfield(mb) =
587 (rte_security_dynfield_t)(sess->sess_private_data);
591 /* Jump to PMD specific function pointer */
592 return __rte_security_set_pkt_metadata(instance, sess, mb, params);
595 /** Function to call PMD specific function pointer get_userdata() */
597 extern void *__rte_security_get_userdata(struct rte_security_ctx *instance,
601 * Get userdata associated with the security session. Device specific metadata
602 * provided would be used to uniquely identify the security session being
603 * referred to. This userdata would be registered while creating the session,
604 * and application can use this to identify the SA etc.
606 * Device specific metadata would be set in mbuf for inline processed inbound
607 * packets. In addition, the same metadata would be set for IPsec events
608 * reported by rte_eth_event framework.
610 * @param instance security instance
611 * @param md device-specific metadata
614 * - On success, userdata
619 rte_security_get_userdata(struct rte_security_ctx *instance, uint64_t md)
622 if (instance->flags & RTE_SEC_CTX_F_FAST_GET_UDATA)
623 return (void *)(uintptr_t)md;
625 /* Jump to PMD specific function pointer */
626 return __rte_security_get_userdata(instance, md);
630 * Attach a session to a symmetric crypto operation
632 * @param sym_op crypto operation
633 * @param sess security session
636 __rte_security_attach_session(struct rte_crypto_sym_op *sym_op,
637 struct rte_security_session *sess)
639 sym_op->sec_session = sess;
645 get_sec_session_private_data(const struct rte_security_session *sess)
647 return sess->sess_private_data;
651 set_sec_session_private_data(struct rte_security_session *sess,
654 sess->sess_private_data = private_data;
658 * Attach a session to a crypto operation.
659 * This API is needed only in case of RTE_SECURITY_SESS_CRYPTO_PROTO_OFFLOAD
660 * For other rte_security_session_action_type, ol_flags in rte_mbuf may be
661 * defined to perform security operations.
663 * @param op crypto operation
664 * @param sess security session
667 rte_security_attach_session(struct rte_crypto_op *op,
668 struct rte_security_session *sess)
670 if (unlikely(op->type != RTE_CRYPTO_OP_TYPE_SYMMETRIC))
673 op->sess_type = RTE_CRYPTO_OP_SECURITY_SESSION;
675 return __rte_security_attach_session(op->sym, sess);
678 struct rte_security_macsec_stats {
682 struct rte_security_ipsec_stats {
683 uint64_t ipackets; /**< Successfully received IPsec packets. */
684 uint64_t opackets; /**< Successfully transmitted IPsec packets.*/
685 uint64_t ibytes; /**< Successfully received IPsec bytes. */
686 uint64_t obytes; /**< Successfully transmitted IPsec bytes. */
687 uint64_t ierrors; /**< IPsec packets receive/decrypt errors. */
688 uint64_t oerrors; /**< IPsec packets transmit/encrypt errors. */
689 uint64_t reserved1; /**< Reserved for future use. */
690 uint64_t reserved2; /**< Reserved for future use. */
693 struct rte_security_pdcp_stats {
697 struct rte_security_docsis_stats {
701 struct rte_security_stats {
702 enum rte_security_session_protocol protocol;
703 /**< Security protocol to be configured */
707 struct rte_security_macsec_stats macsec;
708 struct rte_security_ipsec_stats ipsec;
709 struct rte_security_pdcp_stats pdcp;
710 struct rte_security_docsis_stats docsis;
715 * Get security session statistics
717 * @param instance security instance
718 * @param sess security session
719 * If security session is NULL then global (per security instance) statistics
720 * will be retrieved, if supported. Global statistics collection is not
721 * dependent on the per session statistics configuration.
722 * @param stats statistics
724 * - On success, return 0
725 * - On failure, a negative value
729 rte_security_session_stats_get(struct rte_security_ctx *instance,
730 struct rte_security_session *sess,
731 struct rte_security_stats *stats);
734 * Security capability definition
736 struct rte_security_capability {
737 enum rte_security_session_action_type action;
738 /**< Security action type*/
739 enum rte_security_session_protocol protocol;
740 /**< Security protocol */
744 enum rte_security_ipsec_sa_protocol proto;
745 /**< IPsec SA protocol */
746 enum rte_security_ipsec_sa_mode mode;
747 /**< IPsec SA mode */
748 enum rte_security_ipsec_sa_direction direction;
749 /**< IPsec SA direction */
750 struct rte_security_ipsec_sa_options options;
751 /**< IPsec SA supported options */
752 uint32_t replay_win_sz_max;
753 /**< IPsec Anti Replay Window Size. A '0' value
754 * indicates that Anti Replay is not supported.
757 /**< IPsec capability */
762 /**< MACsec capability */
764 enum rte_security_pdcp_domain domain;
765 /**< PDCP mode of operation: Control or data */
767 /**< Capability flags, see RTE_SECURITY_PDCP_* */
769 /**< PDCP capability */
771 enum rte_security_docsis_direction direction;
772 /**< DOCSIS direction */
774 /**< DOCSIS capability */
777 const struct rte_cryptodev_capabilities *crypto_capabilities;
778 /**< Corresponding crypto capabilities for security capability */
781 /**< Device offload flags */
784 /** Underlying Hardware/driver which support PDCP may or may not support
785 * packet ordering. Set RTE_SECURITY_PDCP_ORDERING_CAP if it support.
786 * If it is not set, driver/HW assumes packets received are in order
787 * and it will be application's responsibility to maintain ordering.
789 #define RTE_SECURITY_PDCP_ORDERING_CAP 0x00000001
791 /** Underlying Hardware/driver which support PDCP may or may not detect
792 * duplicate packet. Set RTE_SECURITY_PDCP_DUP_DETECT_CAP if it support.
793 * If it is not set, driver/HW assumes there is no duplicate packet received.
795 #define RTE_SECURITY_PDCP_DUP_DETECT_CAP 0x00000002
797 #define RTE_SECURITY_TX_OLOAD_NEED_MDATA 0x00000001
798 /**< HW needs metadata update, see rte_security_set_pkt_metadata().
801 #define RTE_SECURITY_TX_HW_TRAILER_OFFLOAD 0x00000002
802 /**< HW constructs trailer of packets
803 * Transmitted packets will have the trailer added to them
804 * by hardware. The next protocol field will be based on
805 * the mbuf->inner_esp_next_proto field.
807 #define RTE_SECURITY_RX_HW_TRAILER_OFFLOAD 0x00010000
808 /**< HW removes trailer of packets
809 * Received packets have no trailer, the next protocol field
810 * is supplied in the mbuf->inner_esp_next_proto field.
811 * Inner packet is not modified.
815 * Security capability index used to query a security instance for a specific
816 * security capability
818 struct rte_security_capability_idx {
819 enum rte_security_session_action_type action;
820 enum rte_security_session_protocol protocol;
825 enum rte_security_ipsec_sa_protocol proto;
826 enum rte_security_ipsec_sa_mode mode;
827 enum rte_security_ipsec_sa_direction direction;
830 enum rte_security_pdcp_domain domain;
834 enum rte_security_docsis_direction direction;
840 * Returns array of security instance capabilities
842 * @param instance Security instance.
845 * - Returns array of security capabilities.
846 * - Return NULL if no capabilities available.
848 const struct rte_security_capability *
849 rte_security_capabilities_get(struct rte_security_ctx *instance);
852 * Query if a specific capability is available on security instance
854 * @param instance security instance.
855 * @param idx security capability index to match against
858 * - Returns pointer to security capability on match of capability
860 * - Return NULL if the capability not matched on security instance.
862 const struct rte_security_capability *
863 rte_security_capability_get(struct rte_security_ctx *instance,
864 struct rte_security_capability_idx *idx);
870 #endif /* _RTE_SECURITY_H_ */