From: Cong Wang <xiyou.wangcong@gmail.com>
To: Jiri Pirko <jiri@resnulli.us>
Cc: amritha.nambiar@intel.com,
Linux Kernel Network Developers <netdev@vger.kernel.org>,
David Miller <davem@davemloft.net>,
Alexander Duyck <alexander.h.duyck@intel.com>,
Jakub Kicinski <jakub.kicinski@netronome.com>,
sridhar.samudrala@intel.com, Jamal Hadi Salim <jhs@mojatatu.com>,
Jesse Brandeburg <jesse.brandeburg@intel.com>
Subject: Re: [net-next,RFC PATCH] Introduce TC Range classifier
Date: Fri, 14 Sep 2018 14:09:48 -0700 [thread overview]
Message-ID: <CAM_iQpVf-iPRZNipWo9VJrK5H5A44ti1zbXyfVCtd_mQeJZQWw@mail.gmail.com> (raw)
In-Reply-To: <20180914094932.GK25110@nanopsycho>
On Fri, Sep 14, 2018 at 2:53 AM Jiri Pirko <jiri@resnulli.us> wrote:
>
> Thu, Sep 13, 2018 at 10:52:01PM CEST, amritha.nambiar@intel.com wrote:
> >This patch introduces a TC range classifier to support filtering based
> >on ranges. Only port-range filters are supported currently. This can
> >be combined with flower classifier to support filters that are a
> >combination of port-ranges and other parameters based on existing
> >fields supported by cls_flower. The 'goto chain' action can be used to
> >combine the flower and range filter.
> >The filter precedence is decided based on the 'prio' value.
>
> For example Spectrum ASIC supports mask-based and range-based matching
> in a single TCAM rule. No chains needed. Also, I don't really understand
> why is this a separate cls. I believe that this functionality should be
> put as an extension of existing cls_flower.
Exactly. u32 filters support range matching too with proper masks.
next prev parent reply other threads:[~2018-09-15 2:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 20:52 [net-next,RFC PATCH] Introduce TC Range classifier Amritha Nambiar
2018-09-13 20:52 ` [net-next, RFC PATCH] net: sched: cls_range: Introduce " Amritha Nambiar
2018-09-14 9:58 ` Jiri Pirko
2018-09-15 1:31 ` Nambiar, Amritha
2018-09-14 21:06 ` Cong Wang
2018-09-14 9:49 ` [net-next,RFC PATCH] Introduce TC " Jiri Pirko
2018-09-14 21:09 ` Cong Wang [this message]
2018-09-15 1:29 ` Nambiar, Amritha
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