[Freemint-list] [PATCH] set hardware address of network interface

[Alan Hourihane]

Thanks Markus.

Committed.

Alan.


On 03/10/16 10:26, Markus Fröschle wrote:
> Hi,
>
> attached are two patches that add the SIOCSIFHWADDR ioctl to the inet4 
> socket interface. This allows setting the MAC address on an interface 
> (with drivers that support it). The FireBee/m5484LITE driver always 
> supported that, but there was no interface to use it.
>
> This is for hardware that doesn't have a hardcoded MAC and for hardware 
> that has multiple interfaces (like the FEC driver on the m5484LITE 
> boards that has two interfaces, but only one MAC address). It's also 
> useful if you have more than one machine with the same hardware that 
> hardcodes the MAC address in the driver. Currently, if you have a 
> m5484LITE and a FireBee both using BaS_gcc on the same network, you end 
> up with all kinds of problems because of two devices with the same 
> hardware address.
>
> The first patch (freemint_if_hwaddr.patch) adds the SIOCSIDHWADDR ioctl, 
> the second patch (freemint_ifconfig.patch) enables ifconfig to use it.
>
> In the above example, you would just do an
>
> ifconfig eth0 hwaddr <new hardware address>
>
> on one of the machines from your mint.cnf before you bring the interface 
> up and all is well. ifconfig now also prints out the hardware address 
> for ethernet interfaces.
>
>
> Alan, please commit.
>
> Commit messages:
>
> freemint_if_hwaddr.patch: add SIOCSIFHWADDR ioctl for network interfaces
>
> freemint_ifconfig.patch: extend to get and set interface hardware address
>
> Thank you!
>
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