Re: [RFC] net/sched/em_canid: Ematch rule to match CAN frames according to their CAN IDs

On Wed, Jun 13, 2012 at 11:52:10AM +0200, Michal Sojka wrote:
> The performance of ematch might be slightly lower than of standalone
> classifier. Rosta will compare the performance soon. 

I think it doesn't make a difference, there is no additional locking
involved. Numbers definitely welcome though.

> > E.g. is it still possible to add additional ematches like checking for
> > patterns inside can_frame.data[] (which is located in skb->data) with
> > ematch_u32 or e.g. ematch_text ??
> 
> AFAIK, this should be possible and it will be a big advantage over
> implementation as a standalone classifier.

Definitely and the real advantage is that you can combine these
using logic operators.
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