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Date: Wed, 13 Jun 2012 08:18:28 -0400 From: Thomas Graf <tgraf@...g.ch> To: Michal Sojka <sojkam1@....cvut.cz> Cc: Oliver Hartkopp <socketcan@...tkopp.net>, Rostislav Lisovy <lisovy@...il.com>, Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org, linux-can@...r.kernel.org, lartc@...r.kernel.org, pisa@....felk.cvut.cz Subject: 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. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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