Date: Fri, 27 Oct 2017 14:02:51 -0400 From: Mark Saad <nonesuch@longcount.org> To: Andrew Rybchenko <arybchik@freebsd.org> Cc: Philip Paeps <philip@freebsd.org>, Allan Jude <allanjude@freebsd.org>, "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: Anyone using Solarflare on FreeBSD 10-STABLE ? Message-ID: <CAMXt9NbNwoWJ5hyVej-yMtb95=AceGnhPkKohLpBH%2BJor7RH0A@mail.gmail.com> In-Reply-To: <0d126774-3736-4a4c-c01f-07bc9caf82a6@freebsd.org> References: <CAMXt9Na1MkFJHXCxQhkVU=JoqvVsU_w1U3xNTN%2BJ0PzxESChaw@mail.gmail.com> <bf3d1ef1-30d9-f7c7-5a2a-af47cc937414@freebsd.org> <333473BB-43C3-4E3E-B62F-03DE5650E403@freebsd.org> <7951e7d5-b5e6-033d-0b51-1d4a10946937@oktetlabs.ru> <CAMXt9Nan=ub_OSoWi53UFeJ5Er2UhU0StP-nX510Sdh3X0Nvtw@mail.gmail.com> <0d126774-3736-4a4c-c01f-07bc9caf82a6@freebsd.org>
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On Fri, Oct 27, 2017 at 2:55 AM, Andrew Rybchenko <arybchik@freebsd.org> wrote:
> On 10/25/2017 12:04 AM, Mark Saad wrote:
>
> On Tue, Oct 17, 2017 at 3:44 PM, Andrew Rybchenko <arybchik@freebsd.org>
> wrote:
>
> On 10/17/2017 08:54 PM, Philip Paeps wrote:
>
> On 2017-10-17 19:36:20 (+0200), Allan Jude wrote:
>
> On 10/17/2017 12:32, Mark Saad wrote:
>
> Speificly I wanted to know if anyone knew what this sysctl refers to
>
> dev.sfxge.NN.stats.rxdp_di_dropped_pkts
>
> I have two 11.1 boxes with a dual ported sfxge each, but I have no idea
> what that counter is trying to describe.
>
> The man page says this is Philip's fault.
>
> This code is not my fault! ;-) I believe arybchik added it.
>
> Looking at the code, it's packets that have been dropped in the data path
> by the dispatcher cpu. Probably related to virtual functions?
>
> Philip, thanks. I don't think in this particular case it is related to
> virtual functions.
>
> Basically the counter means that ingress packet does not match any installed
> filter. E.g. promiscuous mode is disabled and:
> - destination MAC is unicast and not the interface MAC address, OR
> - destination MAC is multicast and there is no matching multicast address
> added.
>
> There is a race condition as well on interface bring up when packet is
> received but default filters are not installed yet.
>
> SFN8522 and SFN8542 have other cases for encapsulated traffic depending on
> driver version (right now I don't remember the state in 10-STABLE).
>
> Mark, let me know if I can help more.
>
> Andrew.
>
> Could you clarify what was meant by Virtual Functions ? Vlans , laggs
> etc or srv-io ?
> Also I do have IGMP snoop enabled and routing is done locally on each
> router -, the freebsd box with the sfxge cards.
>
>
> I meant SR-IOV. Which SF NIC do you use?
>
> Andrew.
Andrew
I am using IIRC 7140's This is what I get from the various utils
Solarflare Flareon Ultra 7000 Series 10G Adapter
Firmware version: v6.4.3
Controller type: Solarflare SFC9140
Boot ROM version: v5.0.4.1000
--
mark saad | nonesuch@longcount.org
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