Re: parallelizing ipfw table

From: Gleb Smirnoff (glebius_at_FreeBSD.org)
Date: 11/28/05

  • Next message: Ruslan Ermilov: "Re: bad udp cksum 26ff!" 
    Date: Mon, 28 Nov 2005 22:20:52 +0300
To: Luigi Rizzo <rizzo@icir.org>

    On Mon, Nov 28, 2005 at 08:32:36AM -0800, Luigi Rizzo wrote:
    L> Given that you (Gleb) are putting in some new features, I would
    L> suggest a variant to your tablearg thing, i.e.
    L>
    L> + a 'setvar index value' which can be put as an always-true
    L> option within a rule e.g. to store partial evaluation results.
    L> 'index' could be a small integer e.g. 0-9, value a 32-bit
    L> value which is either a constant or a packet field (src-ip...)
    L> or your tablearg.
    L> + allow a 'varN' arguments everywhere you can have a rule or pipe or
    L> queue number.
    L>
    L> This way you can easily implement your proposal, and a lot more.
    L> One should remember that variables are not meant to be staved
    L> with the packet's state (e.g. when a packet goes back and forth to
    L> dummynet) but other than that i think it is a useful feature and
    L> a simple one to implement.

    I agree. The introduction of local variable "tablearg" is the most
    unpleasant place of my patch. I will implement your proposal as soon
    as we have a second think that needs to be stored during one rule
    evaluation. 

    -- 
Totus tuus, Glebius.
GLEBIUS-RIPN GLEB-RIPE
_______________________________________________
freebsd-net@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-net
To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
  • Next message: Ruslan Ermilov: "Re: bad udp cksum 26ff!"