[ovs-discuss] DPDK OVS HW offload related question
Patil, Harish
Harish.Patil at cavium.com
Wed May 3 04:56:43 UTC 2017
>
>
>
>
>On 4/26/17, 11:45 AM, "ovs-discuss-bounces at openvswitch.org on behalf of
>Patil, Harish" <ovs-discuss-bounces at openvswitch.org on behalf of
>Harish.Patil at cavium.com> wrote:
>
>
>
> >Hello,
>
> >
>
> >We are planning to utilize the rte_flow (generic flow interface)
>
> >introduced in DPDK 16.11. It provides, among other things, a flow
>action
>
> >type called RTE_FLOW_ACTION_TYPE_MARK that attaches an arbitrary
>32-bit
>
> >integer value for packets matching the flow director rules and sets
>
> >PKT_RX_FDIR_ID flag (flow director ID reported if FDIR match). Would
>like
>
> >to understand the following:
>
> >1) Are the OVS changes in place to be able to make use of this driver
>
> >returned ³hint² (or flow-id) in the data path for lookups?
>
>No
>
> If so, can you
>
> >please provide code pointer?
>
> >2) Is that 32-bit tag/flow_id meant to be used for megaflow cache
>only?
>
>TBD, if future support were to exist.
>
>In
> > the existing implementation, it seems NIC computed RSS hash is used
>for
>
> >EMC only.
>
>right
>
> >
>
> >
>
> >Thanks,
>
> >Harish
>
> >
>
> >_______________________________________________
>
> >discuss mailing list
>
> >discuss at openvswitch.org
>
>
>>https://urldefense.proofpoint.com/v2/url?u=https-3A__mail.openvswitch.org
>>_mailman_listinfo_ovs-2Ddiscuss&d=DwIGaQ&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA
>>09CGX7JQ5Ih-uZnsw&m=NovoJUYtW_IELGmBQfcq_LmZIGaZjtiobvV3LQZNsTM&s=0JxsIyI
>>P8DxTHzgbXFk5ziJmbIfB3j1xcUl-4ri8KV8&e=
>
> >
>
>
>
> Reposting this question, haven’t received any response.
>
> First of all, is this the right forum for this question?
>
> Could someone at least suggest who would the right folks to answer
>this?
>
>
>
> Thanks.
>
>
>
> _______________________________________________
> discuss mailing list
> discuss at openvswitch.org
>
>https://urldefense.proofpoint.com/v2/url?u=https-3A__mail.openvswitch.org_
>mailman_listinfo_ovs-2Ddiscuss&d=DwIGaQ&c=uilaK90D4TOVoH58JNXRgQ&r=BVhFA09
>CGX7JQ5Ih-uZnsw&m=NovoJUYtW_IELGmBQfcq_LmZIGaZjtiobvV3LQZNsTM&s=0JxsIyIP8D
>xTHzgbXFk5ziJmbIfB3j1xcUl-4ri8KV8&e=
>
>
>
I missed this email due to my filter settings.
Thanks Darrell for your response.
Do you know when OVS changes might be available to take advantage of HW
provided flow_id info for the matching flows?
Thanks.
More information about the discuss
mailing list