netdev - Re: [PATCH net-next RFC 0/6] Configure cloud filters in i40e via tc/flower classifier

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Date:   Tue, 1 Aug 2017 06:15:22 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Amritha Nambiar <amritha.nambiar@...el.com>,
        intel-wired-lan@...ts.osuosl.org, jeffrey.t.kirsher@...el.com
Cc:     alexander.h.duyck@...el.com, kiran.patil@...el.com,
        netdev@...r.kernel.org, mitch.a.williams@...el.com,
        alexander.duyck@...il.com, neerav.parikh@...el.com,
        sridhar.samudrala@...el.com, carolyn.wyborny@...el.com,
        Or Gerlitz <gerlitz.or@...il.com>
Subject: Re: [PATCH net-next RFC 0/6] Configure cloud filters in i40e via
 tc/flower classifier

On 17-07-31 08:36 PM, Amritha Nambiar wrote:
> This patch series enables configuring cloud filters in i40e
> using the tc/flower classifier. The only tc-filter action
> supported is to redirect packets to a traffic class on the
> same device. The tc/mirred:redirect action is extended to
> accept a traffic class to achieve this.
> 
> The cloud filters are added for a VSI and are cleaned up when
> the VSI is deleted. The filters that match on L4 ports needs
> enhanced admin queue functions with big buffer support for
> extended general fields in Add/Remove Cloud filters command.
> 
> Example:
> # tc qdisc add dev eth0 ingress
> 
> # ethtool -K eth0 hw-tc-offload on
> 
> # tc filter add dev eth0 protocol ip parent ffff: prio 1 flower\
>    dst_ip 192.168.1.1/32 ip_proto udp dst_port 22\
>    skip_sw indev eth0 action mirred ingress redirect dev eth0 tc 1
> 

I think "queue 1" sounds better than "tc 1".
"tc" is  already a keyword in a few places (even within that declaration
above).

cheers,
jamal