[ECOS] Stopping and restarting Ethernet LAN
Fri Feb 22 09:53:00 GMT 2002
Geoff Patch wrote:
> Hi Folks,
> I'd like to be able to stop and restart the ethernet interface to my board.
> I know that the ethernet driver provides functions for doing this, but I'm
> unsure what the correct technique is for accessing those functions from my
> application code.
> At the moment, it looks like I need to search through the network device
> table until I find the interface named "eth0", and then access the driver
> functions through the device_instance field of the cyg_netdevtab_entry_t
> struct. Is this correct, or is there any easier way to do it? I have the
> feeling that I might have got bogged down in the details of the driver and
> missed something obvious.
IIRC, use the SIOCSIFFLAGS ioctl to bring the interface down and up. See
init_net in bootp_support.c for an example.
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