netdev - Re: [net-next PATCH 0/5] net_sched: Add support for IFE action

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Message-ID: <56CEF242.5090908@mojatatu.com>
Date:	Thu, 25 Feb 2016 07:23:30 -0500
From:	Jamal Hadi Salim <jhs@...atatu.com>
To:	Daniel Borkmann <daniel@...earbox.net>, davem@...emloft.net
Cc:	netdev@...r.kernel.org, xiyou.wangcong@...il.com,
	alexei.starovoitov@...il.com
Subject: Re: [net-next PATCH 0/5] net_sched: Add support for IFE action

On 16-02-24 12:48 PM, Daniel Borkmann wrote:
> On 02/24/2016 01:49 PM, Jamal Hadi Salim wrote:

>> Drivers do set the hash. My use case is slightly different.
>> I have a NIC which has an embedded cavium processor. This thing
>> strips off the TLV and uses the hash to select the host MSI.
>> Only thing we dont use at the moment is queue_mapping.
>
> Ok, but the example says ingress qdisc. ;) I presume the driver for the
> NIC and the offloading parts are non-public? :/

Well, it is not exactly mellanox or intel - but I am sure someone would
be willing to sell that NIC.

> So, without them, placing
> this on ingress qdisc doesn't seem much useful wrt the skb hash example,
> and most people only have the software part (for ingress I mean) available.

Do you want me to take skbbhash out? I just want to get this set in then
worry about adding and modifying.

cheers,
jamal