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From: David Miller <davem@davemloft.net>
To: ali@mellanox.com
Cc: ebiederm@xmission.com, ogerlitz@mellanox.com, roland@kernel.org,
	netdev@vger.kernel.org, sean.hefty@intel.com,
	erezsh@mellanox.co.il
Subject: Re: [PATCH V2 09/12] net/eipoib: Add main driver functionality
Date: Fri, 03 Aug 2012 16:36:27 -0700 (PDT)	[thread overview]
Message-ID: <20120803.163627.1867181085116225405.davem@davemloft.net> (raw)
In-Reply-To: <501C5328.4060301@mellanox.com>

From: Ali Ayoub <ali@mellanox.com>
Date: Fri, 03 Aug 2012 15:39:36 -0700

> Users would like to use sockets API from the VM without re-writing their
> applications on top of IB verbs, this driver meant to allow such a user
> to do so.

That's what IPoIB was for, the application writers who don't want to have
to be knowledgable about IB verbs.

You're messing with the link layer here, and that's what is upsetting me.

It's a complete cop-out to changing the VM tools and emulators properly to
handle a new link layer.

The applications writers already have a way to use IB whilst using
something familiar, like IPv4, via IPoIB.  You're doing something
completely different here, and it stinks.

  reply	other threads:[~2012-08-03 23:36 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-01 17:09 [PATCH V2 00/12] Add Ethernet IPoIB driver Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 01/12] IB/ipoib: Add rtnl_link_ops support Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 02/12] IB/ipoib: Add support for clones / multiple childs on the same partition Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 03/12] include/linux: Add private flags for IPoIB interfaces Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 04/12] IB/ipoib: Add support for acting as VIF Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 05/12] net: Add ndo_set_vif_param operation to serve eIPoIB VIFs Or Gerlitz
2012-08-02  0:17   ` Ben Hutchings
2012-08-02  8:25     ` Erez Shitrit
2012-08-01 17:09 ` [PATCH V2 06/12] net/core: Add rtnetlink support to vif parameters Or Gerlitz
2012-08-02  0:20   ` Ben Hutchings
2012-08-02 15:29     ` Erez Shitrit
2012-08-01 17:09 ` [PATCH V2 07/12] net/eipoib: Add private header file Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 08/12] net/eipoib: Add ethtool file support Or Gerlitz
2012-08-02  0:22   ` Ben Hutchings
2012-08-02  8:35     ` Erez Shitrit
2012-08-02 15:42       ` Ben Hutchings
2012-08-01 17:09 ` [PATCH V2 09/12] net/eipoib: Add main driver functionality Or Gerlitz
2012-08-02 17:15   ` Eric W. Biederman
2012-08-03 20:31     ` Ali Ayoub
2012-08-03 21:33       ` David Miller
2012-08-03 22:39         ` Ali Ayoub
2012-08-03 23:36           ` David Miller [this message]
2012-08-04 21:23             ` Or Gerlitz
2012-08-04 21:44               ` Or Gerlitz
2012-08-04 23:19                 ` Eric W. Biederman
2012-08-07  0:14             ` Ali Ayoub
2012-08-07  0:44               ` Eric W. Biederman
2012-08-07  1:21                 ` Re[2]: " Naoto MATSUMOTO
2012-08-15  9:10                   ` Re[3]: " Naoto MATSUMOTO
2012-08-07  3:33                 ` Eric W. Biederman
2012-08-08  6:04                   ` Or Gerlitz
2012-08-08  8:36                     ` Eric W. Biederman
2012-08-09  4:06                       ` Or Gerlitz
2012-08-12 14:05                         ` Michael S. Tsirkin
2012-08-07  3:37                 ` Joseph Glanville
2012-08-08  7:32                 ` Or Gerlitz
2012-08-08  9:17                   ` Eric W. Biederman
2012-08-09  4:34                     ` Or Gerlitz
2012-08-12 10:36                       ` Michael S. Tsirkin
2012-08-04  0:02           ` Ali Ayoub
2012-08-04  0:05             ` David Miller
2012-08-04  1:34             ` Eric W. Biederman
2012-08-04 21:33               ` Or Gerlitz
2012-08-05 18:50     ` Michael S. Tsirkin
2012-08-08  5:23       ` Or Gerlitz
2012-08-12 10:22         ` Michael S. Tsirkin
2012-08-12 13:09           ` Or Gerlitz
2012-08-12 13:41             ` Michael S. Tsirkin
2012-08-12 13:15           ` Or Gerlitz
2012-08-12 13:55             ` Michael S. Tsirkin
2012-08-12 14:13               ` Or Gerlitz
2012-08-12 20:54                 ` Michael S. Tsirkin
2012-08-14  8:44                   ` Or Gerlitz
2012-08-20 18:57                   ` Michael S. Tsirkin
2012-08-23  6:45                     ` Or Gerlitz
2012-08-14  7:41               ` Or Gerlitz
2012-08-12 10:54         ` Michael S. Tsirkin
2012-08-12 13:19           ` Or Gerlitz
2012-08-12 15:40         ` Eric W. Biederman
2012-08-13  8:33           ` Or Gerlitz
2012-08-13 16:08             ` Eric W. Biederman
2012-09-03 20:53       ` Or Gerlitz
2012-09-03 21:22         ` Michael S. Tsirkin
2012-09-04 18:50           ` Or Gerlitz
2012-09-04 19:31             ` Eric W. Biederman
2012-09-04 19:47               ` Or Gerlitz
2012-09-04 21:21             ` Michael S. Tsirkin
2012-09-04 18:57           ` Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 10/12] net/eipoib: Add sysfs support Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 11/12] net/eipoib: Add Makefile, Kconfig and MAINTAINERS entries Or Gerlitz
2012-08-01 17:09 ` [PATCH V2 12/12] IB/ipoib: Add support for transmission of skbs w.o dst/neighbour Or Gerlitz

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