CFT: Jumbo and non-Jumbo hosts on same subnet

2015-08-24 Thread John-Mark Gurney
I've had this idea for a long time (I fixed the kernel to support it in r162205[1]) and even used a manual version of it a long time ago in production for NFS servers, but never got around to producing an automatic version of it. Now I have: https://github.com/jmgurney/automtud It's a simple scri

Re: ix(intel) vs mlxen(mellanox) 10Gb performance

2015-08-24 Thread Adrian Chadd
Hi, Some hand-waving suggestions: * if you're running something before 10.2, please disable IXGBE_FDIR in sys/conf/options and sys/modules/ixgbe/Makefile . It's buggy and it caused a lot of issues. * It sounds like some extra latency is happening, so I'd fiddle around with interrupt settings. By

Re: FreeBSD not properly padding vlan packets on several interface types.

2015-08-24 Thread Slawa Olhovchenkov
On Mon, Aug 24, 2015 at 06:48:31PM -0400, Zaphod Beeblebrox wrote: > So, as background, the minimum packet size for ethernet packets is 64 > bytes. According to at least cisco, the minimum size, then, for 802.1q > (vlan, etc) packets is 68 bytes. On at least BGE and BCE interfaces, it > seems (a

FreeBSD not properly padding vlan packets on several interface types.

2015-08-24 Thread Zaphod Beeblebrox
So, as background, the minimum packet size for ethernet packets is 64 bytes. According to at least cisco, the minimum size, then, for 802.1q (vlan, etc) packets is 68 bytes. On at least BGE and BCE interfaces, it seems (according to counters on my switch) that FreeBSD doesn't honour this. "show

[Bug 183407] [rc.d] [patch] Routing restart returns non-zero exitcode in case of no extra routing parameter or missing atm/ipx

2015-08-24 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=183407 Carlos J Puga Medina changed: What|Removed |Added Blocks||202602 Depends on|2

[Bug 183407] [rc.d] [patch] Routing restart returns non-zero exitcode in case of no extra routing parameter or missing atm/ipx

2015-08-24 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=183407 Carlos J Puga Medina changed: What|Removed |Added Depends on||202602 -- You are receivin

Re: Near-term pf plans

2015-08-24 Thread Kristof Provost
> On 24 Aug 2015, at 17:33, Markus Gebert wrote: > >> On 23.08.2015, at 17:09, Kristof Provost wrote: >> >> - PR 202351 >> This is a panic after ip6 reassembly in pf. We set the rcvif to NULL >> when refragmenting. That seems to go OK execpt when we're refragmenting >> broadcast/multicast p

Re: Near-term pf plans

2015-08-24 Thread Markus Gebert
Hi Kristof > On 23.08.2015, at 17:09, Kristof Provost wrote: > > - PR 202351 > This is a panic after ip6 reassembly in pf. We set the rcvif to NULL > when refragmenting. That seems to go OK execpt when we're refragmenting > broadcast/multicast packets in the forwarding path. It's not at al

[Bug 202510] [CARP] advertisements sourced from CARP IP cause double MASTER situations

2015-08-24 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202510 --- Comment #3 from d...@my.gd --- Patch attached, changes rc's behaviour so that "ipv4_addrs" addresses are set up on interfaces before "ifconfig_aliasN" addresses. Seeing this changes the system's behaviour, this may require consensus bef

[Bug 202510] [CARP] advertisements sourced from CARP IP cause double MASTER situations

2015-08-24 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202510 --- Comment #2 from d...@my.gd --- Created attachment 160307 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=160307&action=edit network.subr IP alias order patch Ensures "ipv4_addrs_" addresses are set up before "ifconfig__aliasN"

Re: Routing IPv6 over tun0 (PPPoE) issue

2015-08-24 Thread Gary Palmer
On Sun, Aug 23, 2015 at 05:48:28PM +0100, Gary Palmer wrote: > On Sun, Aug 23, 2015 at 04:37:56PM +0100, Matthew Seaman wrote: > > On 23/08/2015 16:04, Gary Palmer wrote: > > > However if I configure other IPs on other interfaces from the netblock > > > that > > > has been delegated to me and eith

[Bug 202351] [ip6] [panic] Kernel panic in ip6_forward (different from 128247, 131038)

2015-08-24 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202351 markus.geb...@hostpoint.ch changed: What|Removed |Added CC||markus.geb...@hostpoint

Re: ix(intel) vs mlxen(mellanox) 10Gb performance

2015-08-24 Thread Rick Macklem
Daniel Braniss wrote: > > > On 24 Aug 2015, at 10:22, Hans Petter Selasky wrote: > > > > On 08/24/15 01:02, Rick Macklem wrote: > >> The other thing is the degradation seems to cut the rate by about half > >> each time. > >> 300-->150-->70 I have no idea if this helps to explain it. > > > > Mig

[Bug 202510] [CARP] advertisements sourced from CARP IP cause double MASTER situations

2015-08-24 Thread bugzilla-noreply
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=202510 --- Comment #1 from d...@my.gd --- As a precision, the problem stems more from how IPs are assigned from rc , than from CARP itself. Either the old ipv4_addrs_ syntax should be deprecated, or it should be moved higher up so that it's enacte

Re: ix(intel) vs mlxen(mellanox) 10Gb performance

2015-08-24 Thread Daniel Braniss
> On 24 Aug 2015, at 10:22, Hans Petter Selasky wrote: > > On 08/24/15 01:02, Rick Macklem wrote: >> The other thing is the degradation seems to cut the rate by about half each >> time. >> 300-->150-->70 I have no idea if this helps to explain it. > > Might be a NUMA binding issue for the proc

Re: ix(intel) vs mlxen(mellanox) 10Gb performance

2015-08-24 Thread Daniel Braniss
> On 24 Aug 2015, at 02:02, Rick Macklem wrote: > > Daniel Braniss wrote: >> >>> On 22 Aug 2015, at 14:59, Rick Macklem wrote: >>> >>> Daniel Braniss wrote: > On Aug 22, 2015, at 12:46 AM, Rick Macklem wrote: > > Yonghyeon PYUN wrote: >> On Wed, Aug 19, 2015 at 09:00:3

Re: ix(intel) vs mlxen(mellanox) 10Gb performance

2015-08-24 Thread Hans Petter Selasky
On 08/24/15 01:02, Rick Macklem wrote: The other thing is the degradation seems to cut the rate by about half each time. 300-->150-->70 I have no idea if this helps to explain it. Might be a NUMA binding issue for the processes involved. man cpuset --HPS _

Re: FreeBSD 10.2-STABLE + Intel XL710 - free queues

2015-08-24 Thread Evgeny Khorokhorin
Hi Eric, Did you manage to try this problem? - Evgeny 19.08.2015 23:16, Eric Joyner пишет: Yeah; it should be able to do up to 64 queues for the PF's. It's possible for the NVM to limit the RSS table size and entry width, but that seems unlikely. - Eric On Wed, Aug 19, 2015 at 12:41 PM Adr