/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright 2017 NXP.
+ * Copyright 2017,2019 NXP
* Copyright(c) 2017 Intel Corporation.
*/
* IPsec Security Association option flags
*/
struct rte_security_ipsec_sa_options {
- /**< Extended Sequence Numbers (ESN)
+ /** Extended Sequence Numbers (ESN)
*
* * 1: Use extended (64 bit) sequence numbers
* * 0: Use normal sequence numbers
*/
uint32_t esn : 1;
- /**< UDP encapsulation
+ /** UDP encapsulation
*
* * 1: Do UDP encapsulation/decapsulation so that IPSEC packets can
* traverse through NAT boxes.
*/
uint32_t udp_encap : 1;
- /**< Copy DSCP bits
+ /** 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
*/
uint32_t copy_dscp : 1;
- /**< Copy IPv6 Flow Label
+ /** Copy IPv6 Flow Label
*
* * 1: Copy IPv6 flow label from inner IPv6 header to the
* outer IPv6 header.
*/
uint32_t copy_flabel : 1;
- /**< Copy IPv4 Don't Fragment bit
+ /** Copy IPv4 Don't Fragment bit
*
* * 1: Copy the DF bit from the inner IPv4 header to the outer
* IPv4 header.
*/
uint32_t copy_df : 1;
- /**< Decrement inner packet Time To Live (TTL) field
+ /** 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
*/
uint32_t dec_ttl : 1;
- /**< Explicit Congestion Notification (ECN)
+ /** Explicit Congestion Notification (ECN)
*
* * 1: In tunnel mode, enable outer header ECN Field copied from
* inner header in tunnel encapsulation, or inner header ECN
/**< 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.
+ */
};
/**
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;
};
/**
/**< 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 {