Re: Is ixgbe usable with SR-IOV?
OK, very different kettle of fish from anything that's been tested :) Let me talk about it with some people tomorrow and see what we can do. Jack On Thu, Dec 5, 2013 at 12:30 AM, Colin Percival wrote: > On 12/05/13 00:18, Jack Vogel wrote: > > Unfortunately its a feature that was implemented, and worked, but it > > has not had a lot of use I suspect, and it has been in a limited number > > of setups. I know nothing about this Amazon provided hosting, is it > > linux/kvm or xen? > > > > I can see if we can get something set up and check it here. > > This is Xen, running in this case using HVM: http://aws.amazon.com/ec2/ > > -- > Colin Percival > Security Officer Emeritus, FreeBSD | The power to serve > Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid > > ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
Re: Is ixgbe usable with SR-IOV?
On 12/05/13 00:18, Jack Vogel wrote: > Unfortunately its a feature that was implemented, and worked, but it > has not had a lot of use I suspect, and it has been in a limited number > of setups. I know nothing about this Amazon provided hosting, is it > linux/kvm or xen? > > I can see if we can get something set up and check it here. This is Xen, running in this case using HVM: http://aws.amazon.com/ec2/ -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
Re: Is ixgbe usable with SR-IOV?
Unfortunately its a feature that was implemented, and worked, but it has not had a lot of use I suspect, and it has been in a limited number of setups. I know nothing about this Amazon provided hosting, is it linux/kvm or xen? I can see if we can get something set up and check it here. Jack On Wed, Dec 4, 2013 at 10:13 PM, Colin Percival wrote: > Hi Jack, > > On 12/04/13 10:21, Jack Vogel wrote: > > Yes, the ixv code was specifically written to work in a guest with > SRIOV, however > > our internal testing did not use DHCP, what if you assign it an address, > will it > > work then? > > Hard-coding an IP address doesn't work either. Or rather, I can assign it > an > address, but it continues to not pass packets. > > Are there any diagnostic tunables/sysctls I should try turning on? Since > this > is in EC2 I'm unfortunately limited to "printf-style" debugging. > > -- > Colin Percival > Security Officer Emeritus, FreeBSD | The power to serve > Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid > ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
Re: Is ixgbe usable with SR-IOV?
Hi Jack, On 12/04/13 10:21, Jack Vogel wrote: > Yes, the ixv code was specifically written to work in a guest with SRIOV, > however > our internal testing did not use DHCP, what if you assign it an address, will > it > work then? Hard-coding an IP address doesn't work either. Or rather, I can assign it an address, but it continues to not pass packets. Are there any diagnostic tunables/sysctls I should try turning on? Since this is in EC2 I'm unfortunately limited to "printf-style" debugging. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid ___ freebsd-xen@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-xen To unsubscribe, send any mail to "freebsd-xen-unsubscr...@freebsd.org"
Re: Is ixgbe usable with SR-IOV?
Yes, the ixv code was specifically written to work in a guest with SRIOV,
however
our internal testing did not use DHCP, what if you assign it an address,
will it work
then?
Jack
On Sun, Dec 1, 2013 at 8:10 PM, Colin Percival wrote:
> Hi Xen people & jfv,
>
> Amazon's new "C3" instance type has support for SR-IOV using ixgbe
> hardware;
> our driver looks like it should support this, but when I turn it on it
> doesn't
> seem to work. Boot dmesg: http://pastebin.com/1Kkpfzbi
>
> The virtual hardware is recognized:
> > ix0: 1.1.4> mem 0xf300-0xf3003fff,0xf3004000-0xf3007fff at device 3.0 on pci0
> > ix0: Using MSIX interrupts with 2 vectors
> > ix0: Ethernet address: 02:91:23:76:38:77
>
> And we seem to be able to send packets, but never see any responses:
> > ix0: link state changed to UP
> > Starting Network: lo0 ix0.
> > lo0: flags=8049 metric 0 mtu 16384
> > options=63
> > inet6 ::1 prefixlen 128
> > inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
> > inet 127.0.0.1 netmask 0xff00
> > nd6 options=21
> > ix0: flags=8843 metric 0 mtu 1500
> >
> options=401bb
> > ether 02:91:23:76:38:77
> > nd6 options=29
> > media: Ethernet autoselect
> > status: active
> > Starting devd.
> > Starting dhclient.
> > DHCPDISCOVER on ix0 to 255.255.255.255 port 67 interval 8
> > DHCPDISCOVER on ix0 to 255.255.255.255 port 67 interval 12
> > DHCPDISCOVER on ix0 to 255.255.255.255 port 67 interval 12
> > DHCPDISCOVER on ix0 to 255.255.255.255 port 67 interval 9
> > DHCPDISCOVER on ix0 to 255.255.255.255 port 67 interval 10
> > DHCPDISCOVER on ix0 to 255.255.255.255 port 67 interval 10
> > No DHCPOFFERS received.
>
> Under exactly the same Xen configuration except with SR-IOV turned off and
> EC2 presenting a Xen netback to us instead, the DHCP works just fine.
>
> Has anyone managed to use {FreeBSD, SR-IOV, ixgbe, Xen}? Was any magic
> necessary in order to make it work?
>
> --
> Colin Percival
> Security Officer Emeritus, FreeBSD | The power to serve
> Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid
>
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