<br><br>
<div class="gmail_quote">On Wed, Jul 29, 2009 at 5:24 AM, Eli Dorfman (Voltaire) <span dir="ltr"><<a href="mailto:dorfman.eli@gmail.com" target="_blank">dorfman.eli@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div>Hal Rosenstock wrote:<br>><br>><br>> On Tue, Jul 28, 2009 at 6:14 AM, Moni Shoua <<a href="mailto:monis@voltaire.com" target="_blank">monis@voltaire.com</a><br></div>
<div>> <mailto:<a href="mailto:monis@voltaire.com" target="_blank">monis@voltaire.com</a>>> wrote:<br>><br>> Jason Gunthorpe wrote:<br>> > On Mon, Jul 27, 2009 at 08:11:42PM +0300, Yossi Etigin wrote:<br>
> >> If the LID of an ipoib neighbour changes without a SM event on<br>> the local node,<br>> >> IPoIB will keep caching the invalid path until the device is<br>> flushed. The patch<br>
> >> below will remove the path for every incoming ARP packet where<br>> the sender hardware<br>> >> address does not match the cached lid.<br>> ><br>> > This assumes a LMC=0 fabric.. Otherwise there is no guarentee that the<br>
> > slid the sender uses is the same one you are using to send.<br>> ><br>> > Jason<br>> > _______________________________________________<br>> > general mailing list<br></div>
> > <a href="mailto:general@lists.openfabrics.org" target="_blank">general@lists.openfabrics.org</a> <mailto:<a href="mailto:general@lists.openfabrics.org" target="_blank">general@lists.openfabrics.org</a>><br>
<div>> > <a href="http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general" target="_blank">http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general</a><br>> ><br>> > To unsubscribe, please visit<br>
> <a href="http://openib.org/mailman/listinfo/openib-general" target="_blank">http://openib.org/mailman/listinfo/openib-general</a><br>> ><br>> This issue can be solved by a little bit different check<br>
> instead of<br>> be16_to_cpu(path->pathrec.dlid) == lid)<br>> do<br>> is_in_same_lid_group(be16_to_cpu(path->pathrec.dlid),<br>> lid, lmc)<br>><br>
> what do you think?<br>><br>><br>> Is the LMC in the above from the local port ? Unfortunately, LMC is not<br>> required to be uniform across the subnet so the remote port's LMC may<br>> not be the same as that on the local port.<br>
<br></div>opensm configures the same LMC to all endports (CA) in the fabric so in which case do you suspect that<br>it will be different?</blockquote>
<div> </div>
<div>I wasn't talking about the simplification that OpenSM uses but rather what IBA allows. There may be other SMs which do this or OpenSM could be extended (with additional configuration for this).</div>
<div> </div>
<div>-- Hal</div>
<div> </div>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><span></span><br><br>Eli<br>><br>> -- Hal<br>><br>><br>><br>> _______________________________________________<br>
> general mailing list<br>> <a href="mailto:general@lists.openfabrics.org" target="_blank">general@lists.openfabrics.org</a> <mailto:<a href="mailto:general@lists.openfabrics.org" target="_blank">general@lists.openfabrics.org</a>><br>
<div>> <a href="http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general" target="_blank">http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general</a><br>><br>> To unsubscribe, please visit<br>
> <a href="http://openib.org/mailman/listinfo/openib-general" target="_blank">http://openib.org/mailman/listinfo/openib-general</a><br>><br>><br>><br></div>> ------------------------------------------------------------------------<br>
<div>
<div></div>
<div>><br>> _______________________________________________<br>> general mailing list<br>> <a href="mailto:general@lists.openfabrics.org" target="_blank">general@lists.openfabrics.org</a><br>> <a href="http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general" target="_blank">http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general</a><br>
><br>> To unsubscribe, please visit <a href="http://openib.org/mailman/listinfo/openib-general" target="_blank">http://openib.org/mailman/listinfo/openib-general</a><br><br></div></div></blockquote></div><br>