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Message-ID: <CAHS8izO4EjXB4U=oq0zFTdJRnqXPzRJLo9fVqtSHPAFnKoU9aQ@mail.gmail.com>
Date: Wed, 8 May 2024 10:09:29 -0700
From: Mina Almasry <almasrymina@...gle.com>
To: David Wei <dw@...idwei.uk>
Cc: Shailend Chand <shailend@...gle.com>, netdev@...r.kernel.org, davem@...emloft.net,
edumazet@...gle.com, hramamurthy@...gle.com, jeroendb@...gle.com,
kuba@...nel.org, pabeni@...hat.com, pkaligineedi@...gle.com,
rushilg@...gle.com, willemb@...gle.com, ziweixiao@...gle.com
Subject: Re: [PATCH net-next v2 10/10] gve: Implement queue api
On Tue, May 7, 2024 at 2:06 PM David Wei <dw@...idwei.uk> wrote:
>
> On 2024-05-06 11:47, Mina Almasry wrote:
> > On Mon, May 6, 2024 at 11:09 AM David Wei <dw@...idwei.uk> wrote:
> >>
> >> On 2024-05-01 16:25, Shailend Chand wrote:
> >>> The new netdev queue api is implemented for gve.
> >>>
> >>> Tested-by: Mina Almasry <almasrymina@...gle.com>
> >>> Reviewed-by: Mina Almasry <almasrymina@...gle.com>
> >>> Reviewed-by: Praveen Kaligineedi <pkaligineedi@...gle.com>
> >>> Reviewed-by: Harshitha Ramamurthy <hramamurthy@...gle.com>
> >>> Signed-off-by: Shailend Chand <shailend@...gle.com>
> >>> ---
> >>> drivers/net/ethernet/google/gve/gve.h | 6 +
> >>> drivers/net/ethernet/google/gve/gve_dqo.h | 6 +
> >>> drivers/net/ethernet/google/gve/gve_main.c | 177 +++++++++++++++++--
> >>> drivers/net/ethernet/google/gve/gve_rx.c | 12 +-
> >>> drivers/net/ethernet/google/gve/gve_rx_dqo.c | 12 +-
> >>> 5 files changed, 189 insertions(+), 24 deletions(-)
> >>>
> >>
> >> [...]
> >>
> >>> +static const struct netdev_queue_mgmt_ops gve_queue_mgmt_ops = {
> >>> + .ndo_queue_mem_size = sizeof(struct gve_rx_ring),
> >>> + .ndo_queue_mem_alloc = gve_rx_queue_mem_alloc,
> >>> + .ndo_queue_mem_free = gve_rx_queue_mem_free,
> >>> + .ndo_queue_start = gve_rx_queue_start,
> >>> + .ndo_queue_stop = gve_rx_queue_stop,
> >>> +};
> >>
> >> Shailend, Mina, do you have code that calls the ndos somewhere?
> >
> > I plan to rebase the devmem TCP series on top of these ndos and submit
> > that, likely sometime this week. The ndos should be used from an
> > updated version of [RFC,net-next,v8,04/14] netdev: support binding
> > dma-buf to netdevice
>
> Now that queue API ndos have merged, could you please send this as a
> separate series and put it somewhere where it can be re-used e.g.
> netdev_rx_queue.c?
>
Definitely happy to put it in a generic place like netdev_rx_queue.c
like you did, but slight pushback to putting it into its own series.
With the ndos merged finally, I can take our devmem TCP series out of
RFC and I am eager to do so. Making it dependent on a change that is
in another series means it must remain RFC.
What I can do here is put this change into its own patch in the devmem
TCP series. Once that is reviewed the maintainers may apply that patch
out of the series. I can also put it in its own series and keep devmem
TCP in RFC for now if you insist :D
--
Thanks,
Mina
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