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Date: Sun, 22 Dec 2002 13:15:23 -0800 (PST)
From: "Randy.Dunlap" <rddunlap@osdl.org>
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To: Joshua Stewart <joshua.stewart@comcast.net>
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Subject: Re: From __cpu_raise_softirq() to net_rx_action()
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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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