From: sundeep subbaraya <sundeep.lkml@gmail.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Subbaraya Sundeep <sbhatta@marvell.com>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org,
Sunil Kovvuri Goutham <sgoutham@marvell.com>,
hariprasad <hkelam@marvell.com>,
Geetha sowjanya <gakula@marvell.com>
Subject: Re: [net-next PATCH v2 0/3] Add devlink params to vary cqe and rbuf
Date: Wed, 6 Oct 2021 19:18:20 +0530 [thread overview]
Message-ID: <CALHRZuoryTs0ApwY=ubX7GHja826QnACMUePyfw2KHmhYaQq1Q@mail.gmail.com> (raw)
In-Reply-To: <20211006064328.28a5da0a@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Hi Jakub,
On Wed, Oct 6, 2021 at 7:14 PM Jakub Kicinski <kuba@kernel.org> wrote:
>
> On Wed, 6 Oct 2021 12:48:43 +0530 Subbaraya Sundeep wrote:
> > Octeontx2 hardware writes a Completion Queue Entry(CQE) in the
> > memory provided by software when a packet is received or
> > transmitted. CQE has the buffer pointers (IOVAs) where the
> > packet data fragments are written by hardware. One 128 byte
> > CQE can hold 6 buffer pointers and a 512 byte CQE can hold
> > 42 buffer pointers. Hence large packets can be received either
> > by using 512 byte CQEs or by increasing size of receive buffers.
> > Current driver only supports 128 byte CQEs.
> > This patchset adds devlink params to change CQE and receive
> > buffer sizes which inturn helps to tune whether many small size
> > buffers or less big size buffers are needed to receive larger
> > packets. Below is the patches description:
>
> nak. Stop ignoring feedback and reposting your patches.
Sure and noted.
Thanks,
Sundeep
prev parent reply other threads:[~2021-10-06 13:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-06 7:18 [net-next PATCH v2 0/3] Add devlink params to vary cqe and rbuf Subbaraya Sundeep
2021-10-06 7:18 ` [net-next PATCH v2 1/3] octeontx2-pf: Simplify the receive buffer size calculation Subbaraya Sundeep
2021-10-06 7:18 ` [net-next PATCH v2 2/3] octeontx2-pf: Add devlink param to vary cqe size Subbaraya Sundeep
2021-10-06 7:18 ` [net-next PATCH v2 3/3] octeontx2-pf: Add devlink param to vary rbuf size Subbaraya Sundeep
2021-10-06 13:43 ` [net-next PATCH v2 0/3] Add devlink params to vary cqe and rbuf Jakub Kicinski
2021-10-06 13:48 ` sundeep subbaraya [this message]
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