[ovs-discuss] How to add support for propietary switch

[Ben Pfaff]

On Wed, Mar 04, 2015 at 04:41:29PM -0500, Stacy Meszaros wrote:
> I have built openvswitch 2.1.2 and can run it on my target Linux platform
> (kernel version 2.6.29.6)  My target is a proprietary switch.  I have read
> the porting documentation and have several new modules linked into the
> source
> 
> -          lib/dpif-prop.c  - based on dpif-netdev.c
> 
> -          lib/netdev-prop.c   -based on netdev.c
> 
> -          lib/netdev-prop.h  -based on netdev.h
> 
> Modified makefiles and source files to include new properitary classes
> 
> -          lib/dpif.c
> 
> -          lib/dpif-provider.h
> 
> -          lib/netdev.c
> 
>  
> 
> The modified code builds and runs on my target switch, I am able to create a
> bridge and add ports to it using ovs-vsctl and the new proprietary functions
> seem to be called (log messages used to confirm) , I can also add a flow,
> using ovs-ofctl.  My problem cones in that I cannot figure out where to add
> my 'hooks' into the openvswitch code so that my APIs can be called.  Once I
> can figure out where to add calls to my dynamic library, I will be in good
> shape.  Can anyone point me in the right direction?

The dpif-provider and netdev-provider classes contain all the hooks
you should need.