From: "Wu, Wenjun1" <wenjun1.wu@intel.com>
To: David Marchand <david.marchand@redhat.com>,
"Yigit, Ferruh" <ferruh.yigit@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"Zhang, Qi Z" <qi.z.zhang@intel.com>,
"Yang, Qiming" <qiming.yang@intel.com>
Subject: Re: [dpdk-dev] [PATCH v1] net/ice: revert removing IPID from default hash field
Date: Tue, 7 Sep 2021 07:27:54 +0000 [thread overview]
Message-ID: <SA0PR11MB4575CEB0EEB28640C9E4D112DFD39@SA0PR11MB4575.namprd11.prod.outlook.com> (raw)
In-Reply-To: <CAJFAV8z7av+HyNhzGd9y_e3mX4zbz2dWWhSC=sVJkfRSvbC0Fw@mail.gmail.com>
Default RSS for outer src/dst IP address field in iavf is not supported before, so it does not cause any error.
However, if it can be dropped, I suggest to do so. It seems to be safer to add IPID field here.
> -----Original Message-----
> From: David Marchand <david.marchand@redhat.com>
> Sent: Tuesday, September 7, 2021 3:10 PM
> To: Wu, Wenjun1 <wenjun1.wu@intel.com>; Yigit, Ferruh
> <ferruh.yigit@intel.com>
> Cc: dev <dev@dpdk.org>; Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi
> Z <qi.z.zhang@intel.com>
> Subject: Re: [dpdk-dev] [PATCH v1] net/ice: revert removing IPID from
> default hash field
>
> On Tue, Sep 7, 2021 at 9:05 AM Wenjun Wu <wenjun1.wu@intel.com> wrote:
> >
> > We try to refine default RSS for IP fragment packets. However, the
> > change will lead to more serious errors. The scenario that there is
> > overlap/conflict between the new characteristics and the existing ones
> > has not been supported, so non-fragment packets and fragment packets
> > cannot share the same hash fields, or all related profiles will be
> > removed.
> >
> > Therefore, IPID field is necessary for fragment packets.
> >
> > Fixes: cf37e1e5e9d2 ("net/ice: fix default RSS hash for IP fragment
> > packets")
> >
> > Signed-off-by: Wenjun Wu <wenjun1.wu@intel.com>
>
> - If this is a revert of cf37e1e5e9d2, maybe it is simpler to drop the original
> change in next-net before it gets pulled in the main repo.
> - A similar change has been applied to net/iavf? Is it still relevant?
>
>
> --
> David Marchand
next prev parent reply other threads:[~2021-09-07 7:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-07 6:45 Wenjun Wu
2021-09-07 7:09 ` David Marchand
2021-09-07 7:27 ` Wu, Wenjun1 [this message]
2021-09-08 6:01 ` Zhang, Qi Z
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