From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Christoph Lameter <cl-vYTEC60ixJUAvxtiuMwx3w@public.gmane.org>
Cc: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Or Gerlitz <or.gerlitz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH for-4.3] IB/ipoib: add module option for auto-creating mcast groups
Date: Fri, 11 Sep 2015 12:21:15 -0600 [thread overview]
Message-ID: <20150911182115.GA546@obsidianresearch.com> (raw)
In-Reply-To: <alpine.DEB.2.11.1509110920540.16357-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
On Fri, Sep 11, 2015 at 09:40:25AM -0500, Christoph Lameter wrote:
> On Thu, 10 Sep 2015, Doug Ledford wrote:
>
> > + * 1) ifdown/ifup
> > + * 2) a regular mcast join/leave happens and we run
> > + * ipoib_mcast_restart_task
> > + * 3) a REREGISTER event comes in from the SM
> > + * 4) any other event that might cause a mcast flush
>
> Could we have a timeout and leave the multicast group on process
> exit?
At a minimum, when the socket that did the send closes the send-only
could be de-refed..
But really send-only in IB is very similar to neighbour discovery, and
should work the same, with a timer, etc. In my mind it would be ideal
to even add them to the ND table, if the core would support that..
Jason
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next prev parent reply other threads:[~2015-09-11 18:21 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-11 1:21 [PATCH for-4.3] IB/ipoib: add module option for auto-creating mcast groups Doug Ledford
[not found] ` <980e8b0a82042d7e5801e02bf16fe72a0bde6759.1441934465.git.dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-11 14:40 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509110920540.16357-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-11 18:21 ` Jason Gunthorpe [this message]
[not found] ` <20150911182115.GA546-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-09-11 19:41 ` Doug Ledford
[not found] ` <55F32E7A.3020105-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-14 17:03 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509141200020.4192-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-15 18:24 ` Doug Ledford
[not found] ` <55F86255.9080508-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-15 18:42 ` Christoph Lameter
2015-09-15 19:11 ` Jason Gunthorpe
[not found] ` <20150915191159.GB24173-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-09-15 23:53 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509151852530.15731-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-16 15:14 ` Doug Ledford
[not found] ` <55F9873B.2080407-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-16 15:38 ` Christoph Lameter
2015-09-16 15:21 ` Doug Ledford
[not found] ` <55F988F1.8000508-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-16 15:59 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509161058540.22035-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-16 16:26 ` Doug Ledford
[not found] ` <55F9981F.5010605-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-16 16:31 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509161129080.22736-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-16 20:13 ` Or Gerlitz
[not found] ` <CAJ3xEMi2SEXWmmLmm2xb_X_BZJY2L3UM1UfsXjFaupHBbi=q8g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-16 20:17 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509161517110.24175-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-16 20:52 ` Or Gerlitz
[not found] ` <CAJ3xEMjVcTYicgNmv0_eSySF_gf-S3pLVY_YCoUk44rVfpYPLw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-17 0:48 ` Christoph Lameter
[not found] ` <alpine.DEB.2.11.1509161945250.25627-wcBtFHqTun5QOdAKl3ChDw@public.gmane.org>
2015-09-17 10:39 ` Or Gerlitz
2015-09-16 17:03 ` Jason Gunthorpe
2015-09-11 18:39 ` Jason Gunthorpe
[not found] ` <20150911183931.GB546-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-09-11 20:09 ` Doug Ledford
[not found] ` <55F3350D.6090002-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-11 20:38 ` Jason Gunthorpe
[not found] ` <20150911203820.GA19161-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-09-11 21:40 ` Doug Ledford
[not found] ` <55F34A59.50401-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-11 22:00 ` Jason Gunthorpe
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