[dpdk-dev] [PATCH v4 1/5] lib/ethdev: support for inline IPsec events
Anoob Joseph
Anoob.Joseph at caviumnetworks.com
Thu Apr 19 11:15:01 CEST 2018
Hi Thomas,
Are these changes fine? Can you review the changes and let me know if
you have more comments.
Thanks,
Anoob
On 11/04/18 12:10, Anoob Joseph wrote:
> Adding support for IPsec events in rte_eth_event framework. In inline
> IPsec offload, the per packet protocol defined variables, like ESN,
> would be managed by PMD. In such cases, PMD would need IPsec events
> to notify application about various conditions like, ESN overflow.
>
> Signed-off-by: Anoob Joseph <anoob.joseph at caviumnetworks.com>
> Acked-by: Akhil Goyal <akhil.goyal at nxp.com>
> ---
> v4:
> * Added more details in documentation
> * Renamed members of struct rte_eth_event_ipsec_desc for better readablity
>
> v3:
> * No change
>
> v2:
> * Added time expiry & byte expiry IPsec events in the enum
>
> lib/librte_ether/rte_ethdev.h | 41 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
>
> diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
> index 5e13dca..2b36883 100644
> --- a/lib/librte_ether/rte_ethdev.h
> +++ b/lib/librte_ether/rte_ethdev.h
> @@ -2436,6 +2436,46 @@ int
> rte_eth_tx_done_cleanup(uint16_t port_id, uint16_t queue_id, uint32_t free_cnt);
>
> /**
> + * Subtypes for IPsec offload event(@ref RTE_ETH_EVENT_IPSEC) raised by
> + * eth device.
> + */
> +enum rte_eth_event_ipsec_subtype {
> + RTE_ETH_EVENT_IPSEC_UNKNOWN = 0,
> + /**< Unknown event type */
> + RTE_ETH_EVENT_IPSEC_ESN_OVERFLOW,
> + /**< Sequence number overflow */
> + RTE_ETH_EVENT_IPSEC_SA_TIME_EXPIRY,
> + /**< Soft time expiry of SA */
> + RTE_ETH_EVENT_IPSEC_SA_BYTE_EXPIRY,
> + /**< Soft byte expiry of SA */
> + RTE_ETH_EVENT_IPSEC_MAX
> + /**< Max value of this enum */
> +};
> +
> +/**
> + * Descriptor for @ref RTE_ETH_EVENT_IPSEC event. Used by eth dev to send extra
> + * information of the IPsec offload event.
> + */
> +struct rte_eth_event_ipsec_desc {
> + enum rte_eth_event_ipsec_subtype subtype;
> + /**< Type of RTE_ETH_EVENT_IPSEC_* event */
> + uint64_t metadata;
> + /**< Event specific metadata
> + *
> + * For the following events, *userdata* registered
> + * with the *rte_security_session* would be returned
> + * as metadata,
> + *
> + * - @ref RTE_ETH_EVENT_IPSEC_ESN_OVERFLOW
> + * - @ref RTE_ETH_EVENT_IPSEC_SA_TIME_EXPIRY
> + * - @ref RTE_ETH_EVENT_IPSEC_SA_BYTE_EXPIRY
> + *
> + * @see struct rte_security_session_conf
> + *
> + */
> +};
> +
> +/**
> * The eth device event type for interrupt, and maybe others in the future.
> */
> enum rte_eth_event_type {
> @@ -2446,6 +2486,7 @@ enum rte_eth_event_type {
> RTE_ETH_EVENT_INTR_RESET,
> /**< reset interrupt event, sent to VF on PF reset */
> RTE_ETH_EVENT_VF_MBOX, /**< message from the VF received by PF */
> + RTE_ETH_EVENT_IPSEC, /**< IPsec offload related event */
> RTE_ETH_EVENT_MACSEC, /**< MACsec offload related event */
> RTE_ETH_EVENT_INTR_RMV, /**< device removal event */
> RTE_ETH_EVENT_NEW, /**< port is probed */
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