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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <146b5375-5d70-bb65-74aa-5c19c1de7daf@mojatatu.com>
Date:   Wed, 2 Aug 2017 08:01:07 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     "Nambiar, Amritha" <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 17-08-01 08:57 PM, Nambiar, Amritha wrote:
> 
> On 8/1/2017 3:15 AM, Jamal Hadi Salim wrote:
>> On 17-07-31 08:36 PM, Amritha Nambiar wrote:

>>>
>>> # 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).
> 
> The idea is to redirect to a traffic class that has queues assigned to
> it and not a single queue i.e. these are actually queue groups and not a
> single queue. So may be "qgroup 1" or "tcqgroup 1" fits better.
> 

Can you describe how this works? So the specific memeber of a
a tcgroups show up on a specific rx DMA ring? If you only have
16 and 512 RX DMA rings - how does that work?

cheers,
jamal