[ovs-discuss] OVS support for OpenWRT on TP-Link 8980

[Jesse Gross]

On Thu, Feb 18, 2016 at 4:19 PM, Hassan Habibi <h_habibigh at yahoo.com> wrote:
> Hi all,
>
> My objective is to have OpenFlow enabled on a fairly low cost “ADSL modem
> router” which is available in the market today.
>
> After a bit of investigation in OpenWrt community, I realized that Lantiq
> based “TP-Link 8980” is the hardware which meets my requirements (ADSL,
> Ethernet LAN, and WiFi in single box) and is officially supported by "only"
> OpenWRT trunk DD.
>
> Then, we tried to build a firmware for the TD-W8980 using the current trunk
> version of OpenWrt (i.e. DD) and included OVS into the build. However, OVS
> failed to build as it has its own internal Kernel version check.
> We discovered that OVS is only supported up to Kernel 4.3 and the current
> trunk version of OpenWRT is at kernel 4.4.

OVS is part of the Linux kernel so the best solution is to use the
module packaged as part of the kernel tree rather than with the OVS
release - they do the same thing. That like would involve rebuilding
the OpenWRT kernel to enable OVS, I don't know easy that is.