From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Matan Barak <matanb-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: Matan Barak <matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Eran Ben Elisha <eranbe-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
Somnath Kotur
<Somnath.Kotur-1wcpHE2jlwO1Z/+hSey0Gg@public.gmane.org>
Subject: Re: [PATCH for-next V1 5/9] IB/core: Add rdma_network_type to wc
Date: Tue, 24 Nov 2015 23:55:42 -0700 [thread overview]
Message-ID: <20151125065542.GC4326@obsidianresearch.com> (raw)
In-Reply-To: <CAAKD3BAO6rNn-Br=MZxvkd+rYSsE9G7wK+9YR9uJ3xdP1U+u0w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On Tue, Nov 24, 2015 at 09:07:41PM +0200, Matan Barak wrote:
> IMHO, the user is entitles to choose any valid sgid_index for the
> interface. Anything he chooses guaranteed to be valid (from security
> perspective)
No, the namespace patches will have to limit the sgid_indexes that can
be used with a QP to those that fall within the namespace. This is
another reason I don't like this approach for the kapi.
> Why do we need to block users who use ibv_rc_pingpong and chose the
> GID index correctly by hand?
I'm not really concerned with user space, we are stuck with exporting
the gid index there.
> > OK. Change the gid cache so only a RDMA CM private API can return
> > rocev2 gids.
>
> So you propose to block verbs applications from using the RoCE v2 GIDs? Why?
Just the kernel consumers, so the in-kernel users are correct.
Jason
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next prev parent reply other threads:[~2015-11-25 6:55 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-15 16:07 [PATCH for-next V1 0/9] Add RoCE v2 support Matan Barak
[not found] ` <1444925232-13598-1-git-send-email-matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-10-15 16:07 ` [PATCH for-next V1 1/9] IB/core: Add gid_type to gid attribute Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 2/9] IB/cm: Use the source GID index type Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 3/9] IB/core: Add gid attributes to sysfs Matan Barak
[not found] ` <1444925232-13598-4-git-send-email-matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-11-23 21:20 ` Jason Gunthorpe
[not found] ` <20151123212029.GB6062-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-24 8:31 ` Matan Barak
[not found] ` <CAAKD3BCQzBax6N3+-RhdEvByQu3mz1KKsjQ7yjs-fn2_nSPfOA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-24 13:49 ` Matan Barak
[not found] ` <CAAKD3BA=h+Mpq9VBnCNpv0UCAkmwCBtOahpOhhWdCvUM=C7JPw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-24 17:59 ` Jason Gunthorpe
2015-10-15 16:07 ` [PATCH for-next V1 4/9] IB/core: Add ROCE_UDP_ENCAP (RoCE V2) type Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 5/9] IB/core: Add rdma_network_type to wc Matan Barak
[not found] ` <1444925232-13598-6-git-send-email-matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-11-23 21:19 ` Jason Gunthorpe
[not found] ` <20151123211916.GA6062-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-24 13:47 ` Matan Barak
[not found] ` <CAAKD3BCWMrd8A+UgjQg+jtfLmyOCaOB4iGCr2ZAbaazRBZeGxw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-24 18:14 ` Jason Gunthorpe
[not found] ` <20151124181415.GC10391-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-24 19:07 ` Matan Barak
[not found] ` <CAAKD3BAO6rNn-Br=MZxvkd+rYSsE9G7wK+9YR9uJ3xdP1U+u0w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-25 6:55 ` Jason Gunthorpe [this message]
[not found] ` <20151125065542.GC4326-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-25 14:18 ` Matan Barak
[not found] ` <CAAKD3BAEMD47cScunGNnx2iitL6uFWicDHALJt5w-szoSZwOwg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-25 17:29 ` Jason Gunthorpe
2015-11-30 20:56 ` Liran Liss
[not found] ` <HE1PR05MB1418F62E731D463F2A63A899B1000-eBadYZ65MZ87O8BmmlM1zNqRiQSDpxhJvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2015-12-01 14:35 ` Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 6/9] IB/rdma_cm: Add wrapper for cma reference count Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 7/9] IB/cma: Add configfs for rdma_cm Matan Barak
[not found] ` <1444925232-13598-8-git-send-email-matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-11-23 21:23 ` Jason Gunthorpe
[not found] ` <20151123212359.GC6062-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-24 8:28 ` Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 8/9] IB/core: Initialize UD header structure with IP and UDP headers Matan Barak
2015-10-15 16:07 ` [PATCH for-next V1 9/9] IB/cma: Join and leave multicast groups with IGMP Matan Barak
[not found] ` <1444925232-13598-10-git-send-email-matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2015-11-23 21:25 ` Jason Gunthorpe
[not found] ` <20151123212526.GD6062-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-24 9:41 ` Moni Shoua
[not found] ` <CAG9sBKMUPJ74RLKT54yO-==0gP9nzfrbfWz1Mb_J5VstRQr2OA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-24 18:15 ` Jason Gunthorpe
[not found] ` <20151124181500.GD10391-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-11-25 8:31 ` Moni Shoua
[not found] ` <CAG9sBKORfbJQWxg7nn6OuZydNZQj4f1ZhDTPKoc-YUbzQNybrg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-25 17:39 ` Jason Gunthorpe
2015-11-16 13:23 ` [PATCH for-next V1 0/9] Add RoCE v2 support Matan Barak
[not found] ` <CAAKD3BBm2WZ8TqSFi7gC82BwBTCc+D-SJSpSSqhEqMjL8-Fq_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-22 21:28 ` Or Gerlitz
[not found] ` <CAJ3xEMiAkz0aouPgHWD31CwrX4SmOQfysJBX2kQOZ91gVP+94g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-11-23 19:53 ` Doug Ledford
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