Messages in this thread | | | From | Naveen Mamindlapalli <> | Subject | Re: [PATCH v3 net-next 07/13] octeontx2-af: Add debugfs entry to dump the MCAM rules | Date | Sat, 14 Nov 2020 18:57:43 +0000 |
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Hi Saeed,
> -----Original Message----- > From: Saeed Mahameed <saeed@kernel.org> > Sent: Friday, November 13, 2020 1:18 AM > To: Naveen Mamindlapalli <naveenm@marvell.com>; netdev@vger.kernel.org; > linux-kernel@vger.kernel.org > Cc: kuba@kernel.org; davem@davemloft.net; Sunil Kovvuri Goutham > <sgoutham@marvell.com>; Linu Cherian <lcherian@marvell.com>; > Geethasowjanya Akula <gakula@marvell.com>; Jerin Jacob Kollanukkaran > <jerinj@marvell.com>; Subbaraya Sundeep Bhatta <sbhatta@marvell.com>; > Hariprasad Kelam <hkelam@marvell.com> > Subject: Re: [PATCH v3 net-next 07/13] octeontx2-af: Add debugfs entry > to dump the MCAM rules > > On Wed, 2020-11-11 at 12:43 +0530, Naveen Mamindlapalli wrote: > > From: Subbaraya Sundeep <sbhatta@marvell.com> > > > > Add debugfs support to dump the MCAM rules installed using > > NPC_INSTALL_FLOW mbox message. Debugfs file can display mcam entry, > > counter if any, flow type and counter hits. > > > > Ethtool will dump the ntuple flows related to the PF only. > > The debugfs file gives systemwide view of the MCAM rules installed by > > all the PF's. > > > > Below is the example output when the debugfs file is read: > > ~ # mount -t debugfs none /sys/kernel/debug ~ # cat > > /sys/kernel/debug/octeontx2/npc/mcam_rules > > > > Installed by: PF1 > > direction: RX > > mcam entry: 227 > > udp source port 23 mask 0xffff > > Forward to: PF1 VF0 > > action: Direct to queue 0 > > enabled: yes > > counter: 1 > > hits: 0 > > > > I don't want to block this series or anything, but you might want to use devlink > dpipe interface for this: > > https://urldefense.proofpoint.com/v2/url?u=https- > 3A__www.kernel.org_doc_html_latest_networking_devlink_devlink- > 2Ddpipe.html&d=DwICaQ&c=nKjWec2b6R0mOyPaz7xtfQ&r=TwreqwV6mQ8K9 > wIpqwFO8yjikO_w1jUOe2MzChg4Rmg&m=Q3bIaVBAvCHGU817Tap8T9ooBFRP > CJhP9kvFODtUnJg&s=YV7Q2w0JHxg9RUdwJvMfjC063Umev9Hpb6YvNSbe37A&e > = > > As a future patch of course.
Thanks for the pointers. We will definitely look into adding the devlink dpipe support in future.
> > Thanks, > Saeed.
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