Re: [patch net-next v3 04/17] net: introduce generic switch devices support

Scott Feldman
2014-11-26T04:18:19Z

On Tue, Nov 25, 2014 at 5:33 PM, Jamal Hadi Salim <jhs@mojatatu.com> wrote:
> On 11/25/14 16:54, Thomas Graf wrote:
>>
>> On 11/25/14 at 12:08pm, Jamal Hadi Salim wrote:
>
>
>> It would definitely help if you could expose some more details on the
>> "some network processor" you have. We're all very eager ;-)
>>
>
> Well, this thing doesnt run ovs ;-> (/me runs). If you come
> to netdev i may let you play with it ;-> Its a humongous device
> (think multi 100G ports).
>
> On a serious note: Even if you took what Simon/Netronome has
> (yes, I know they use ovs;->) - there is really no need for a switch
> abstraction *at all* if all you want to is hang a packet
> processing graph that ingresses at a port and egress at another port.
> As you know, Linux supports it just fine with tc.

You have a pointer to the kernel driver for that HW? Can you show how
you're using Linux tc netlink msg in kernel to program HW? I'd like
to see the in-kernel API.