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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> sendmail [mailto:justsendmailnothingelse@gmail.com]
<b>On Behalf Of </b>Laine Stump<br>
<b>Sent:</b> Wednesday, January 06, 2016 9:26 PM<br>
<b>To:</b> Libvirt <libvir-list@redhat.com><br>
<b>Cc:</b> vyasevic@redhat.com; Moshe Levi <moshele@mellanox.com><br>
<b>Subject:</b> Re: [libvirt] <interface type='hostdev'>vf configuration cleanup when VM is delete<o:p></o:p></span></p>
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<p class="MsoNormal">On 12/16/2015 01:17 PM, Laine Stump wrote:<o:p></o:p></p>
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<p class="MsoNormal">On 12/16/2015 12:35 PM, Vlad Yasevich wrote: <br>
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<p class="MsoNormal">(BTW, Cisco's enic driver, on the other hand, doesn't support setting VF MAC addresses via
<br>
a netlink message to the PF *at all* (so libvirt has to make special accommodations), but
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<p class="MsoNormal" style="margin-bottom:12.0pt">Looking at upstream, it looks like it offers support for setting VF mac via VFINFO data in
<br>
the netlink message. May be it got fixed? <o:p></o:p></p>
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Interesting. If I had one of those systems of my own to test on, I'd give it a try. The only one I have access to is running a 2.6.32 RHEL6 kernel though :-/
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It also occurred to me during my copious "time to think" over the holidays that device assignment using <interface type='hostdev'> wouldn't work for enic cards if that wasn't supported, and I recently saw a bug filed where someone was doing exactly that on
a 3.10 kernel (RHEL7.x), so yeah it must have been fixed between 2.6 and 3.10).<br>
<br>
To pick up this discussion again: Moshe - am I correct to assume that you've filed a bug somewhere about the mlx driver not accepting 00:00:00:00:00:00?<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Yes I filled bugs against ConnectX3 and ConnectX4 drivers.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">In the meantime, if setting the MAC address to, e.g., 00:00:00:00:00:01 works for you (as implied when you said you use "ip link set dev p4p2 vf 0 mac 0") then you could temporarily work around the problem by
setting all the VFs to something like that at boot time - libvirt would then succeed at setting them *back* to those addresses when it was finished with each device.<span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Yes I will use this workaround.
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