Thank you.
Can I find any BIOS interrupt to wait on packet arrival NIC interrupt that
can be used in COM32 program?
And, how do I extend pxelinux.0 that enables this feature in PXE UDP RECEIVE
INTERRUPT?
Is gPXE has such kind of interrupt?
On Thu, Sep 1, 2011 at 12:30 AM, <syslinux-request at zytor.com> wrote:
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> 1. Re: Blocked Network Interrupt for COM32 Programs (H. Peter Anvin)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 30 Aug 2011 12:02:55 -0700
> From: "H. Peter Anvin" <hpa at zytor.com>
> To: For discussion of Syslinux and tftp-hpa <syslinux at zytor.com>
> Cc: "Madhusudan M.I" <mimadhusudan at gmail.com>
> Subject: Re: [syslinux] Blocked Network Interrupt for COM32 Programs
> Message-ID: <4E5D33DF.5000204 at zytor.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On 08/29/2011 11:00 PM, Madhusudan M.I wrote:
> > I have written a COM32 program which pxelinux loads it and executes
when
> > machine is booted over network. And the COM32 program should be
blocked
> till
> > it receives an instruction from deployment server in UDP packet.
> >
> > I am looking for a network interrupt that will make my machine to wait
> for
> > an incoming udp packet, so that my server can send udp packet, and
> > reboot/shutdown the machine.
> >
> > I would appreciate if anyone can point me to the network interrupt
that
> > blocks my COM32 process until a packet arrives in NIC, so that COM32
> reads
> > UDP packet and carryout appropriate operation.
>
> There isn't one. You have to call the PXE UDP receive interrupt
> repeatedly until your packet arrives.
>
> -hpa
>
>
>
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> End of Syslinux Digest, Vol 101, Issue 26
> *****************************************
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