Re: [PATCH net-next RFC 0/2] add elevated refcnt support for page pool

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Hi,


śr., 7 lip 2021 o 01:20 Matteo Croce <mcroce@xxxxxxxxxxxxxxxxxxx> napisał(a):
>
> On Tue, Jul 6, 2021 at 5:51 PM Russell King (Oracle)
> <linux@xxxxxxxxxxxxxxx> wrote:
> >
> > On Fri, Jul 02, 2021 at 03:39:47PM +0200, Matteo Croce wrote:
> > > On Wed, 30 Jun 2021 17:17:54 +0800
> > > Yunsheng Lin <linyunsheng@xxxxxxxxxx> wrote:
> > >
> > > > This patchset adds elevated refcnt support for page pool
> > > > and enable skb's page frag recycling based on page pool
> > > > in hns3 drvier.
> > > >
> > > > Yunsheng Lin (2):
> > > >   page_pool: add page recycling support based on elevated refcnt
> > > >   net: hns3: support skb's frag page recycling based on page pool
> > > >
> > > >  drivers/net/ethernet/hisilicon/hns3/hns3_enet.c    |  79 +++++++-
> > > >  drivers/net/ethernet/hisilicon/hns3/hns3_enet.h    |   3 +
> > > >  drivers/net/ethernet/hisilicon/hns3/hns3_ethtool.c |   1 +
> > > >  drivers/net/ethernet/marvell/mvneta.c              |   6 +-
> > > >  drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c    |   2 +-
> > > >  include/linux/mm_types.h                           |   2 +-
> > > >  include/linux/skbuff.h                             |   4 +-
> > > >  include/net/page_pool.h                            |  30 ++-
> > > >  net/core/page_pool.c                               | 215
> > > > +++++++++++++++++---- 9 files changed, 285 insertions(+), 57
> > > > deletions(-)
> > > >
> > >
> > > Interesting!
> > > Unfortunately I'll not have access to my macchiatobin anytime soon, can
> > > someone test the impact, if any, on mvpp2?
> >
> > I'll try to test. Please let me know what kind of testing you're
> > looking for (I haven't been following these patches, sorry.)
> >
>
> A drop test or L2 routing will be enough.
> BTW I should have the macchiatobin back on friday.

I have a 10G packet generator connected to 10G ports of CN913x-DB - I
will stress mvpp2 in l2 forwarding early next week (I'm mostly AFK
this until Monday).

Best regards,
Marcin




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