Re: How to send data directly out network interface from driver?

[Greg KH <greg@xxxxxxxxx>]

On Wed, Feb 11, 2009 at 06:18:48PM -0500, Bob Beers wrote:
> I've been following the example
>  <http://kernelnewbies.org/Simple_UDP_Server>,
>  and I am having some success -- only tried receiving so far --
>  but I am getting an error when I try to insert the following
>  between the sock_create and bind calls.
> 
> -----------8<------------------
> 	{
> 		int arg = 1;
> 		
> 		err = kthread->sock->ops->setsockopt(kthread->sock, SOL_SOCKET,
> 											SO_REUSEADDR,
> 											(void *)&arg, sizeof(arg));
> 		if (err) {
> 			printk(KERN_INFO, "kthread[%d] setsockopt REUSEADDR error: %d\n",
> 					kthread->voipch, err);
> 		}
> 	}
> -----------8<------------------
> 
> Here is the error message:
> 
> ksocket_start: kthread[0] setsockopt REUSEADDR error: -92
> 
> The packets are recv'd, but why can't I use SO_REUSEADDR ???

Sorry, I don't know, I have no experience in this area at all.

good luck,

greg k-h

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