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From: Joshua Stewart <joshua.stewart@comcast.net>
To: "Randy.Dunlap" <rddunlap@osdl.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: From __cpu_raise_softirq() to net_rx_action()
Date: Sun, 22 Dec 2002 16:35:36 -0500	[thread overview]
Message-ID: <1040592944.11785.2.camel@localhost.localdomain> (raw)
In-Reply-To: <Pine.LNX.4.33L2.0212221313400.16753-100000@dragon.pdx.osdl.net>

After I understand it all, I will not be against putting together an
explanation of the whole process and posting it back to this mailing
list, or trying to find a Linux website that will host it.  Is this type
of this suitable for the Linux Documentation Project website?

Josh

On Sun, 2002-12-22 at 16:15, Randy.Dunlap wrote:
> On Sun, 22 Dec 2002, Joshua Stewart wrote:
> 
> | I'm still trying to follow a packet (or even better an sk_buff) from the
> | NIC card to user space.  I think I have a good chunk of it figured out,
> | but I'm missing a bit from the time that the __netif_rx_schedule()
> | routine calls __cpu_raise_softirq() until the routine net_rx_action()
> | occurs.  I read in a book on Linux TCP/IP implementation that the
> | softirq basically leads to a call to net_rx_action(), but I don't see
> | the connection yet.  It's probably due to my lack of understanding of
> | IRQ's (and software IRQ's).
> |
> | Any help is appreciated.
> 
> What are you going to do with this good info when you have it?
> Something like putting it on a web page would be very good, so that
> other people with similar questions can have a reference to look at.
> 
> -- 
> ~Randy
> 
> -
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  reply	other threads:[~2002-12-22 21:22 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-12-22 21:11 Joshua Stewart
2002-12-22 21:15 ` Randy.Dunlap
2002-12-22 21:35   ` Joshua Stewart [this message]
2002-12-22 21:31     ` Randy.Dunlap
2002-12-22 21:36 ` Arnaldo Carvalho de Melo

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