[dpdk-dev] Query on Filtering Support in DPDK

Thomas Monjalon thomas.monjalon at 6wind.com
Mon Nov 30 14:43:18 CET 2015


Hi,

2015-11-30 18:19, Rahul Lakkireddy:
> 1. Add a new action 'switch' that will:
>    * Allow re-direction to different ports in hardware.
> 
>    Also, for such a rule, additionally support below:
> 
>    * Allow source mac/destination mac and vlan header re-writing to be
>      done by the hardware.
> 
>    * Allow re-write of TCP/IP headers to perform NAT in hardware.
> 
> 2. Add ability to mask individual fields at a particular layer for each
>    filter in flow_director. For example, mask all ip packets coming from
>    a particular subnet mask and particular range of l4 ports for each
>    filter rule.
> 
> We would like to get some suggestions on how to proceed with adding the
> above features.

You need to identify which API must change and what will be the ABI changes.
Then please send a deprecation notice before December 11 in order to be part
of the 2.2 release notes.

If you have some RFC patches to send (at least the API changes), it would be
a good discussion start.

Thanks


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