Re: From __cpu_raise_softirq() to net_rx_action()

From: Joshua Stewart (joshua.stewart@comcast.net)
Date: Sun Dec 22 2002 - 16:35:36 EST


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
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Mon Dec 23 2002 - 22:00:31 EST