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From: David Marchand <david.marchand@redhat.com>
To: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	Igor Romanov <igor.romanov@oktetlabs.ru>,
	 Ivan Malov <ivan.malov@oktetlabs.ru>
Cc: dev <dev@dpdk.org>, Andy Moreton <amoreton@xilinx.com>
Subject: Re: [dpdk-dev] [PATCH v4 19/20] net/sfc: support flow action COUNT in transfer rules
Date: Fri, 16 Jul 2021 14:12:35 +0200	[thread overview]
Message-ID: <CAJFAV8z+7a6o_xZAoQJ6GP9B-MYES6WCujvSWrtc4NPc5=XLfQ@mail.gmail.com> (raw)
In-Reply-To: <20210702083948.546667-20-andrew.rybchenko@oktetlabs.ru>

Hello gyus,

On Fri, Jul 2, 2021 at 10:41 AM Andrew Rybchenko
<andrew.rybchenko@oktetlabs.ru> wrote:
>
> From: Igor Romanov <igor.romanov@oktetlabs.ru>
>
> For now, a rule may have only one dedicated counter, shared counters
> are not supported.
>
> HW delivers (or "streams") counter readings using special packets.
> The driver creates a dedicated Rx queue to receive such packets
> and requests that HW start "streaming" the readings to it.
>
> The counter queue is polled periodically, and the first available
> service core is used for that. Hence, the user has to specify at least
> one service core for counters to work. Such a core is shared by all
> MAE-capable devices managed by sfc driver.

If no service lcore is available, did you consider falling back and
using a control thread per mae device?


-- 
David Marchand


  parent reply	other threads:[~2021-07-16 12:12 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-27 15:24 [dpdk-dev] [PATCH 00/20] net/sfc: support flow API COUNT action Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 01/20] net/sfc: introduce ethdev Rx queue ID Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 02/20] net/sfc: do not enable interrupts on internal Rx queues Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 03/20] common/sfc_efx/base: separate target EvQ and IRQ config Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 04/20] common/sfc_efx/base: support custom EvQ to IRQ mapping Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 05/20] net/sfc: explicitly control IRQ used for Rx queues Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 06/20] net/sfc: introduce ethdev Tx queue ID Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 07/20] common/sfc_efx/base: add ingress m-port RxQ flag Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 08/20] common/sfc_efx/base: add user mark " Andrew Rybchenko
2021-05-27 15:24 ` [dpdk-dev] [PATCH 09/20] net/sfc: add abstractions for the management EVQ identity Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 10/20] net/sfc: add support for initialising different RxQ types Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 11/20] net/sfc: add NUMA-aware registry of service logical cores Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 12/20] net/sfc: reserve RxQ for counters Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 13/20] common/sfc_efx/base: add counter creation MCDI wrappers Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 14/20] common/sfc_efx/base: add counter stream " Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 15/20] common/sfc_efx/base: support counter in action set Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 16/20] net/sfc: add Rx datapath method to get pushed buffers count Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 17/20] common/sfc_efx/base: add max MAE counters to limits Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 18/20] common/sfc_efx/base: add packetiser packet format definition Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 19/20] net/sfc: support flow action COUNT in transfer rules Andrew Rybchenko
2021-05-27 15:25 ` [dpdk-dev] [PATCH 20/20] net/sfc: support flow API query for count actions Andrew Rybchenko
2021-06-04 14:23 ` [dpdk-dev] [PATCH v2 00/20] net/sfc: support flow API COUNT action Andrew Rybchenko
2021-06-04 14:23   ` [dpdk-dev] [PATCH v2 01/20] net/sfc: introduce ethdev Rx queue ID Andrew Rybchenko
2021-06-04 14:23   ` [dpdk-dev] [PATCH v2 02/20] net/sfc: do not enable interrupts on internal Rx queues Andrew Rybchenko
2021-06-04 14:23   ` [dpdk-dev] [PATCH v2 03/20] common/sfc_efx/base: separate target EvQ and IRQ config Andrew Rybchenko
2021-06-04 14:23   ` [dpdk-dev] [PATCH v2 04/20] common/sfc_efx/base: support custom EvQ to IRQ mapping Andrew Rybchenko
2021-06-04 14:23   ` [dpdk-dev] [PATCH v2 05/20] net/sfc: explicitly control IRQ used for Rx queues Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 06/20] net/sfc: introduce ethdev Tx queue ID Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 07/20] common/sfc_efx/base: add ingress m-port RxQ flag Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 08/20] common/sfc_efx/base: add user mark " Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 09/20] net/sfc: add abstractions for the management EVQ identity Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 10/20] net/sfc: add support for initialising different RxQ types Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 11/20] net/sfc: add NUMA-aware registry of service logical cores Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 12/20] net/sfc: reserve RxQ for counters Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 13/20] common/sfc_efx/base: add counter creation MCDI wrappers Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 14/20] common/sfc_efx/base: add counter stream " Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 15/20] common/sfc_efx/base: support counter in action set Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 16/20] net/sfc: add Rx datapath method to get pushed buffers count Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 17/20] common/sfc_efx/base: add max MAE counters to limits Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 18/20] common/sfc_efx/base: add packetiser packet format definition Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 19/20] net/sfc: support flow action COUNT in transfer rules Andrew Rybchenko
2021-06-04 14:24   ` [dpdk-dev] [PATCH v2 20/20] net/sfc: support flow API query for count actions Andrew Rybchenko
2021-06-17  8:37   ` [dpdk-dev] [PATCH v2 00/20] net/sfc: support flow API COUNT action David Marchand
2021-06-18 13:40     ` Andrew Rybchenko
2021-06-18 13:40 ` [dpdk-dev] [PATCH v3 " Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 01/20] net/sfc: introduce ethdev Rx queue ID Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 02/20] net/sfc: do not enable interrupts on internal Rx queues Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 03/20] common/sfc_efx/base: separate target EvQ and IRQ config Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 04/20] common/sfc_efx/base: support custom EvQ to IRQ mapping Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 05/20] net/sfc: explicitly control IRQ used for Rx queues Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 06/20] net/sfc: introduce ethdev Tx queue ID Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 07/20] common/sfc_efx/base: add ingress m-port RxQ flag Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 08/20] common/sfc_efx/base: add user mark " Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 09/20] net/sfc: add abstractions for the management EVQ identity Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 10/20] net/sfc: add support for initialising different RxQ types Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 11/20] net/sfc: add NUMA-aware registry of service logical cores Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 12/20] net/sfc: reserve RxQ for counters Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 13/20] common/sfc_efx/base: add counter creation MCDI wrappers Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 14/20] common/sfc_efx/base: add counter stream " Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 15/20] common/sfc_efx/base: support counter in action set Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 16/20] net/sfc: add Rx datapath method to get pushed buffers count Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 17/20] common/sfc_efx/base: add max MAE counters to limits Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 18/20] common/sfc_efx/base: add packetiser packet format definition Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 19/20] net/sfc: support flow action COUNT in transfer rules Andrew Rybchenko
2021-06-21  8:28     ` David Marchand
2021-06-21  9:30       ` Thomas Monjalon
2021-07-01  9:22         ` Andrew Rybchenko
2021-07-01 12:34           ` David Marchand
2021-07-01 13:05             ` Andrew Rybchenko
2021-07-01 13:35               ` Bruce Richardson
2021-07-02  8:03                 ` Andrew Rybchenko
2021-07-02  8:43               ` Andrew Rybchenko
2021-07-02 12:30                 ` Thomas Monjalon
2021-07-02 12:53                   ` Andrew Rybchenko
2021-07-04 19:45                     ` Thomas Monjalon
2021-07-05  8:41                       ` Andrew Rybchenko
2021-07-02 13:37                 ` David Marchand
2021-07-02 13:39                   ` Andrew Rybchenko
2021-06-18 13:40   ` [dpdk-dev] [PATCH v3 20/20] net/sfc: support flow API query for count actions Andrew Rybchenko
2021-07-02  8:39 ` [dpdk-dev] [PATCH v4 00/20] net/sfc: support flow API COUNT action Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 01/20] net/sfc: introduce ethdev Rx queue ID Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 02/20] net/sfc: do not enable interrupts on internal Rx queues Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 03/20] common/sfc_efx/base: separate target EvQ and IRQ config Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 04/20] common/sfc_efx/base: support custom EvQ to IRQ mapping Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 05/20] net/sfc: explicitly control IRQ used for Rx queues Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 06/20] net/sfc: introduce ethdev Tx queue ID Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 07/20] common/sfc_efx/base: add ingress m-port RxQ flag Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 08/20] common/sfc_efx/base: add user mark " Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 09/20] net/sfc: add abstractions for the management EVQ identity Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 10/20] net/sfc: add support for initialising different RxQ types Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 11/20] net/sfc: add NUMA-aware registry of service logical cores Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 12/20] net/sfc: reserve RxQ for counters Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 13/20] common/sfc_efx/base: add counter creation MCDI wrappers Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 14/20] common/sfc_efx/base: add counter stream " Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 15/20] common/sfc_efx/base: support counter in action set Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 16/20] net/sfc: add Rx datapath method to get pushed buffers count Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 17/20] common/sfc_efx/base: add max MAE counters to limits Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 18/20] common/sfc_efx/base: add packetiser packet format definition Andrew Rybchenko
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 19/20] net/sfc: support flow action COUNT in transfer rules Andrew Rybchenko
2021-07-15 14:58     ` David Marchand
2021-07-15 18:30       ` Ivan Malov
2021-07-16 12:12     ` David Marchand [this message]
2021-07-02  8:39   ` [dpdk-dev] [PATCH v4 20/20] net/sfc: support flow API query for count actions Andrew Rybchenko
2021-07-20 12:19   ` [dpdk-dev] [PATCH v4 00/20] net/sfc: support flow API COUNT action David Marchand

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