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From: Jason Wang <jasowang@redhat.com>
To: sai pavan <saipavanboddu@gmail.com>,
	"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Connecting netdev to emulated nics.
Date: Thu, 15 Oct 2015 17:14:31 +0800	[thread overview]
Message-ID: <561F6E77.6060902@redhat.com> (raw)
In-Reply-To: <CAH1YCKdC=JL+ZyHoThRhJai_reE+ZN7=6FyfgdWGVxYBHQG4TQ@mail.gmail.com>



On 10/15/2015 02:36 PM, sai pavan wrote:
> Hi,
>
> I am debugging an issue, where through one of the nics I am not able
> to connect to dtcp.
> So to dig in deep, i was going thought net.c files, and ended-up
> understanding little.
>
> So can i know how does a netdev connects to nic.
>
> nd_table[] has some pointers for netdev devices. Where are this
> actually instantiated ? I am missing that part of the code.
>
> How do the netdevs and nic's have 1-1 connections.

You may want to have a look at set_netdev().

>
> And if my SOC has more than 1 sysbus type ethernet chips. How can i
> connect each one of them from command line ?

You can do this by using hubport as nic's peer e.g:

-netdev hubport,id=port0,hubid=hubid -device e1000,netdev=port0

>
> Regards,
> Sai Pavan

  reply	other threads:[~2015-10-15  9:14 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-15  6:36 [Qemu-devel] Connecting netdev to emulated nics sai pavan
2015-10-15  9:14 ` Jason Wang [this message]
2015-10-16  5:15   ` sai pavan
2015-10-16  7:37     ` Jason Wang
2015-10-16 12:24       ` sai pavan
2015-10-16 15:18         ` Peter Crosthwaite
2015-10-20  3:01           ` Jason Wang
2015-10-20  2:49         ` Jason Wang

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