> Add option to indicate whether outer header verification
> need to be done as part of inbound IPsec processing.
>
> With inline IPsec processing, SA lookup would be happening
> in the Rx path of rte_ethdev. When rte_flow is configured to
> support more than one SA, SPI would be used to lookup SA.
> In such cases, additional verification would be required to
> ensure duplicate SPIs are not getting processed in the inline path.
>
> For lookaside cases, the same option can be used by application
> to offload tunnel verification to the PMD.
>
> These verifications would help in averting possible DoS attacks.
>
> Signed-off-by: Tejasree Kondoj <ktejas...@marvell.com>
> ---
> doc/guides/rel_notes/release_21_11.rst | 5 +++++
Deprecation notice should also be removed for this feature addition/
ABI breakage.
Other than that
Acked-by: Akhil Goyal <gak...@marvell.com>
> lib/security/rte_security.h | 17 +++++++++++++++++
> 2 files changed, 22 insertions(+)
>
> diff --git a/doc/guides/rel_notes/release_21_11.rst
> b/doc/guides/rel_notes/release_21_11.rst
> index 0e3ed28378..b0606cb542 100644
> --- a/doc/guides/rel_notes/release_21_11.rst
> +++ b/doc/guides/rel_notes/release_21_11.rst
> @@ -136,6 +136,11 @@ ABI Changes
> soft and hard SA expiry limits. Limits can be either in units of packets
> or
> bytes.
>
> +* security: add IPsec SA option to configure tunnel header verification
> +
> + * Added SA option to indicate whether outer header verification need to
> be
> + done as part of inbound IPsec processing.
> +
>
> Known Issues
> ------------
> diff --git a/lib/security/rte_security.h b/lib/security/rte_security.h
> index 95c169d6cf..2a61cad885 100644
> --- a/lib/security/rte_security.h
> +++ b/lib/security/rte_security.h
> @@ -55,6 +55,14 @@ enum rte_security_ipsec_tunnel_type {
> /**< Outer header is IPv6 */
> };
>
> +/**
> + * IPSEC tunnel header verification mode
> + *
> + * Controls how outer IP header is verified in inbound.
> + */
> +#define RTE_SECURITY_IPSEC_TUNNEL_VERIFY_DST_ADDR 0x1
> +#define RTE_SECURITY_IPSEC_TUNNEL_VERIFY_SRC_DST_ADDR 0x2
> +
> /**
> * Security context for crypto/eth devices
> *
> @@ -195,6 +203,15 @@ struct rte_security_ipsec_sa_options {
> * by the PMD.
> */
> uint32_t iv_gen_disable : 1;
> +
> + /** Verify tunnel header in inbound
> + * * ``RTE_SECURITY_IPSEC_TUNNEL_VERIFY_DST_ADDR``: Verify
> destination
> + * IP address.
> + *
> + * * ``RTE_SECURITY_IPSEC_TUNNEL_VERIFY_SRC_DST_ADDR``: Verify
> both
> + * source and destination IP addresses.
> + */
> + uint32_t tunnel_hdr_verify : 2;
> };
>
> /** IPSec security association direction */
> --
> 2.27.0
