netdev - Re: Kernel 4.19 network performance - forwarding/routing normal users traffic

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Date:   Wed, 21 Nov 2018 00:00:30 +0100
From:   Paweł Staszewski <pstaszewski@...are.pl>
To:     David Ahern <dsahern@...il.com>,
        Jesper Dangaard Brouer <brouer@...hat.com>
Cc:     netdev <netdev@...r.kernel.org>, Yoel Caspersen <yoel@...knet.dk>
Subject: Re: Kernel 4.19 network performance - forwarding/routing normal users
 traffic


W dniu 19.11.2018 o 22:59, David Ahern pisze:
> On 11/9/18 5:06 PM, David Ahern wrote:
>> On 11/9/18 9:21 AM, David Ahern wrote:
>>>> Is there possible to add only counters from xdp for vlans ?
>>>> This will help me in testing.
>>> I will take a look today at adding counters that you can dump using
>>> bpftool. It will be a temporary solution for this xdp program only.
>>>
>> Same tree, kernel-tables-wip-02 branch. Compile kernel and install.
>> Compile samples as before.
> new version:
>      https://github.com/dsahern/linux.git bpf/kernel-tables-wip-03
>
> This one prototypes incrementing counters for VLAN devices (rx/tx,
> packets and bytes). Counters for netdevices representing physical ports
> should be managed by the NIC driver.

Will test it today


Thanks

Paweł





>
> I will look at what can be done for packet captures (e.g., xdpdump and
> https://github.com/facebookincubator/katran/tree/master/tools). Most
> likely a project for next week.
>