Re: From __cpu_raise_softirq() to net_rx_action()

From: Randy.Dunlap (rddunlap@osdl.org)
Date: Sun Dec 22 2002 - 16:31:01 EST


On Sun, 22 Dec 2002, Joshua Stewart wrote:

| 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

Yes, it should be fine for LDP.

Thanks,

-- 
~Randy

| 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/



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