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From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Alex Rosenbaum <Alexr-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: "Hefty,
	Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
	"linux-rdma
	(linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: how to preserve QP over HA events for librdmacm applications
Date: Wed, 19 Sep 2012 18:52:40 +0300	[thread overview]
Message-ID: <5059EA48.1040407@mellanox.com> (raw)
In-Reply-To: <1828884A29C6694DAF28B7E6B8A8237346A8E418-P5GAC/sN6hmkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>

On 19/09/2012 18:48, Hefty, Sean wrote:
>> Can this flushing be somehow done with the current librdmacm/libibverbs APIs
>> or we need some enhancement?
> You can call verbs directly to transition the QP state.  That leaves the CM state unchanged, which doesn't really matter for UD QPs anyway.
>
>

Alex,

Any reason we can't deploy this hack? is that for the IPoIB port space 
it would
require copying some low level code from librdmacm or even from the 
kernel? e.g
the IPoIB qkey, etc.

Or.
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  parent reply	other threads:[~2012-09-19 15:52 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-19 15:43 how to preserve QP over HA events for librdmacm applications Or Gerlitz
     [not found] ` <5059E82E.9020600-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2012-09-19 15:48   ` Hefty, Sean
     [not found]     ` <1828884A29C6694DAF28B7E6B8A8237346A8E418-P5GAC/sN6hmkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-09-19 15:52       ` Or Gerlitz [this message]
     [not found]         ` <5059EA48.1040407-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2012-09-19 15:58           ` Alex Rosenbaum
     [not found]             ` <A4E971F4031F1840BBA6E79B417E62E82CF29C3B-SlGPd/IId7auSA5JZHE7gA@public.gmane.org>
2012-09-19 16:52               ` Atchley, Scott
     [not found]                 ` <46C75A5F-AD9F-45CF-A441-B7D5F60709D8-1Heg1YXhbW8@public.gmane.org>
2012-09-19 17:05                   ` Hefty, Sean
     [not found]                     ` <1828884A29C6694DAF28B7E6B8A8237346A8E47E-P5GAC/sN6hmkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-09-19 18:14                       ` Atchley, Scott
     [not found]                         ` <86756672-ADCC-4EF0-A24C-19C4A0EB8188-1Heg1YXhbW8@public.gmane.org>
2012-09-19 18:39                           ` Atchley, Scott
     [not found]                             ` <16AD9776-40CA-4106-8F3D-A974067EEE2A-1Heg1YXhbW8@public.gmane.org>
2012-09-19 19:22                               ` Hefty, Sean
2012-09-20 17:37                           ` Pradeep Satyanarayana
     [not found]                             ` <505B5470.9030707-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2012-09-20 18:18                               ` Atchley, Scott
2012-09-20 20:10                               ` Hefty, Sean
     [not found]                                 ` <1828884A29C6694DAF28B7E6B8A8237346A8E77F-P5GAC/sN6hmkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-09-20 20:57                                   ` Pradeep Satyanarayana
     [not found]                                     ` <505B8349.4050402-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
2012-09-20 21:52                                       ` Hefty, Sean
     [not found]                                         ` <1828884A29C6694DAF28B7E6B8A8237346A8E89E-P5GAC/sN6hmkrb+BlOpmy7fspsVTdybXVpNB7YpNyf8@public.gmane.org>
2012-09-22 15:57                                           ` Alex Rosenbaum

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