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From: "Michał Krawczyk" <mk@semihalf.com>
To: Rafal Kozik <rk@semihalf.com>
Cc: dev@dpdk.org, Marcin Wojtas <mw@semihalf.com>,
	"Tzalik, Guy" <gtzalik@amazon.com>,
	 "Schmeilin, Evgeny" <evgenys@amazon.com>,
	"Matushevsky, Alexander" <matua@amazon.com>,
	 "Chauskin, Igor" <igorch@amazon.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	 Ferruh Yigit <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] [PATCH v2 4/4] net/ena: enable WC
Date: Mon, 2 Jul 2018 08:52:46 +0200	[thread overview]
Message-ID: <CAJMMOfOC=9Ou7N=mwZqL3t891LdgEy5Tf=s9OY3uoGL1ousnCg@mail.gmail.com> (raw)
In-Reply-To: <1530191753-18689-5-git-send-email-rk@semihalf.com>

2018-06-28 15:15 GMT+02:00 Rafal Kozik <rk@semihalf.com>:
>
> Write combining (WC) increases NIC performance by making better
> utilization of PCI bus. ENA PMD may make usage of this feature.
>
> To enable it load igb_uio driver with wc_activate set to 1.
>
> Signed-off-by: Rafal Kozik <rk@semihalf.com>
> Acked-by: Bruce Richardson <bruce.richardson@intel.com>
Acked-by: Michal Krawczyk <mk@semihalf.com>
> ---
>  drivers/net/ena/ena_ethdev.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
> index 9ae73e3..1870edf 100644
> --- a/drivers/net/ena/ena_ethdev.c
> +++ b/drivers/net/ena/ena_ethdev.c
> @@ -2210,7 +2210,8 @@ static int eth_ena_pci_remove(struct rte_pci_device *pci_dev)
>
>  static struct rte_pci_driver rte_ena_pmd = {
>         .id_table = pci_id_ena_map,
> -       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
> +       .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
> +                    RTE_PCI_DRV_WC_ACTIVATE,
>         .probe = eth_ena_pci_probe,
>         .remove = eth_ena_pci_remove,
>  };
> --
> 2.7.4
>

  reply	other threads:[~2018-07-02  6:52 UTC|newest]

Thread overview: 54+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-11 14:07 [dpdk-dev] [PATCH 0/4] support for write combining Rafal Kozik
2018-04-11 14:07 ` [dpdk-dev] [PATCH 1/4] igb_uio: add wc option Rafal Kozik
2018-06-27 16:34   ` Ferruh Yigit
2018-06-28 13:08     ` Rafał Kozik
2018-06-28 13:15       ` [dpdk-dev] [PATCH v2 0/4] support for write combining Rafal Kozik
2018-06-28 13:15         ` [dpdk-dev] [PATCH v2 1/4] igb_uio: add wc option Rafal Kozik
2018-06-28 14:32           ` Ferruh Yigit
2018-06-29  8:35             ` Rafał Kozik
2018-06-29 10:08               ` Ferruh Yigit
2018-06-29 10:24           ` [dpdk-dev] [PATCH v3 0/4] support for write combining Rafal Kozik
2018-06-29 10:24             ` [dpdk-dev] [PATCH v3 1/4] igb_uio: add wc option Rafal Kozik
2018-06-29 10:53               ` Ferruh Yigit
2018-06-29 12:17               ` [dpdk-dev] [PATCH v4 0/4] Support for write combining Rafal Kozik
2018-06-29 12:17                 ` [dpdk-dev] [PATCH v4 1/4] igb_uio: add wc option Rafal Kozik
2018-06-29 13:11                   ` Rafał Kozik
2018-06-29 13:20                   ` Ferruh Yigit
2018-06-29 13:40                   ` Ferruh Yigit
2018-06-29 12:17                 ` [dpdk-dev] [PATCH v4 2/4] bus/pci: reference driver structure Rafal Kozik
2018-06-29 12:17                 ` [dpdk-dev] [PATCH v4 3/4] eal: enable WC during resources mapping Rafal Kozik
2018-06-29 12:17                 ` [dpdk-dev] [PATCH v4 4/4] net/ena: enable WC Rafal Kozik
2018-06-29 13:54               ` [dpdk-dev] [PATCH v5 0/4] Support for write combining Rafal Kozik
2018-06-29 13:54                 ` [dpdk-dev] [PATCH v5 1/4] igb_uio: add wc option Rafal Kozik
2018-06-29 13:54                 ` [dpdk-dev] [PATCH v5 2/4] bus/pci: reference driver structure Rafal Kozik
2018-06-29 13:54                 ` [dpdk-dev] [PATCH v5 3/4] eal: enable WC during resources mapping Rafal Kozik
2018-06-29 13:54                 ` [dpdk-dev] [PATCH v5 4/4] net/ena: enable WC Rafal Kozik
2018-06-29 14:26                 ` [dpdk-dev] [PATCH v5 0/4] Support for write combining Ferruh Yigit
2018-06-29 22:13                   ` Thomas Monjalon
2018-06-29 10:24             ` [dpdk-dev] [PATCH v3 2/4] bus/pci: reference driver structure Rafal Kozik
2018-06-29 10:24             ` [dpdk-dev] [PATCH v3 3/4] eal: enable WC during resources mapping Rafal Kozik
2018-06-29 10:24             ` [dpdk-dev] [PATCH v3 4/4] net/ena: enable WC Rafal Kozik
2018-06-28 13:15         ` [dpdk-dev] [PATCH v2 2/4] bus/pci: reference driver structure Rafal Kozik
2018-06-28 13:15         ` [dpdk-dev] [PATCH v2 3/4] eal: enable WC during resources mapping Rafal Kozik
2018-06-28 14:50           ` Ferruh Yigit
2018-06-29  8:58             ` Rafał Kozik
2018-06-29  9:05               ` Ferruh Yigit
2018-06-29 10:28                 ` Rafał Kozik
2018-06-29 10:37                   ` Ferruh Yigit
2018-06-28 13:15         ` [dpdk-dev] [PATCH v2 4/4] net/ena: enable WC Rafal Kozik
2018-07-02  6:52           ` Michał Krawczyk [this message]
2018-04-11 14:07 ` [dpdk-dev] [PATCH 2/4] bus/pci: reference driver structure Rafal Kozik
2018-06-27 16:36   ` Ferruh Yigit
2018-06-28 13:05     ` Rafał Kozik
2018-04-11 14:07 ` [dpdk-dev] [PATCH 3/4] eal: enable WC during resources mapping Rafal Kozik
2018-06-27 16:41   ` Ferruh Yigit
2018-06-28 13:06     ` Rafał Kozik
2018-04-11 14:07 ` [dpdk-dev] [PATCH 4/4] net/ena: enable WC Rafal Kozik
2018-06-27 16:11   ` Thomas Monjalon
2018-06-28 13:04     ` Rafał Kozik
2018-04-11 14:42 ` [dpdk-dev] [PATCH 0/4] support for write combining Bruce Richardson
2018-04-16 11:36   ` Rafał Kozik
2018-04-27  8:27     ` Rafał Kozik
2018-04-27 11:30       ` Bruce Richardson
2018-04-30  8:07         ` Rafał Kozik
2018-04-30  8:58           ` Bruce Richardson

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