On 9/14/2018 2:09 PM, Cong Wang wrote:
> On Fri, Sep 14, 2018 at 2:53 AM Jiri Pirko <j...@resnulli.us> wrote:
>>
>> Thu, Sep 13, 2018 at 10:52:01PM CEST, amritha.namb...@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.
>
Can u32 filters support ranges that are not power-of-2 ?
