Re: [RFC] queue: introduce queue APIs and driver framework

[Jerin Jacob <jerin.jacob@caviumnetworks.com>]

-----Original Message-----
> Date: Wed, 27 Jun 2018 11:06:13 -0500
> From: Honnappa Nagarahalli <honnappa.nagarahalli@arm.com>
> To: dev@dpdk.org
> CC: honnappa.nagarahalli@arm.com, gavin.hu@arm.com, nd@arm.com
> Subject: [dpdk-dev] [RFC] queue: introduce queue APIs and driver framework
> X-Mailer: git-send-email 2.7.4
> 
> 
> DPDK offers pipeline model of packet processing. One of the key
> components of this model is the core to core packet exchange.
> rte_ring and rte_event_ring functions are 2 methods provided
> currently for core to core communication. However, these two
> do not separate the APIs from implementation. This does not
> allow using hardware queue implementations in pipeline model.
> This change adds queue APIs and driver framework so that
> HW queues can be used for core to core communication in
> pipeline model.
> When different implementations (ex: HW queues and rte_ring) are used

Just to understand, Do you have any HW in mind where it can do
generic multi producer/multi consumer queue operations for core to core
in HW as offload.



> for the same object in different platforms, it is important to
> make sure that the application is portable. Hence features of
> different implementations must be elevated to the API level, so that
> the application writers can make the right choice.
> Currently, basic APIs are created, will add more required APIs
> as this progresses.
> 
> Honnappa Nagarahalli (1):
>   queue: introduce queue APIs and driver framework
> 
>  lib/librte_queue/rte_queue.c        | 122 ++++++++++++++++++++++
>  lib/librte_queue/rte_queue.h        | 200 ++++++++++++++++++++++++++++++++++++
>  lib/librte_queue/rte_queue_driver.h | 157 ++++++++++++++++++++++++++++
>  3 files changed, 479 insertions(+)
>  create mode 100644 lib/librte_queue/rte_queue.c
>  create mode 100644 lib/librte_queue/rte_queue.h
>  create mode 100644 lib/librte_queue/rte_queue_driver.h
> 
> --
> 2.7.4
>