Check Interface Status

[nilesh]

On Thursday 29 December 2011 08:23 PM, Rahul Kumar wrote:
> Hi,
>
> I would like to check the interface status (up/down) within linux kernel.
> Is there any routine (sort of ioctl) to do this. Any code that is
> already in use in kernel would also be helpful for me.
> Please let me know.
>
I think netif_carrier_ok() could help. You can refer network driver 
code(e.g. e1000_main.c).

-- 
Thanks,
Nilesh