From: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
To: Yishai Hadas <yishaih-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
Cc: Yishai Hadas <yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org
Subject: Re: [PATCH rdma-core 2/3] mlx5: Add support for managing QP with a given source QP number
Date: Wed, 6 Sep 2017 23:50:15 -0700 [thread overview]
Message-ID: <20170907065015.GA29974@ca-dev46.us.oracle.com> (raw)
In-Reply-To: <1387444b-7c9d-d26c-d089-83b0d4b047d9-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On Wed, Sep 06, 2017 at 06:56:29PM +0300, Yishai Hadas wrote:
> On 9/6/2017 6:12 PM, Yuval Shaia wrote:
> >On Wed, Sep 06, 2017 at 05:38:48PM +0300, Yishai Hadas wrote:
> >>Add support to create a QP with source QPN (e.g. IPoIB QPN) over UD QP.
> >
> >Sorry, i missed the kernel patches.
> >Is this UD limitation is for mlx5 only? Asking as i see no limitation in
> >the verb layer (patch 1/3).
>
> From API point of view as was introduced by the verbs patch there is
> no limitation. The mlx5 driver implements the use case for UD QP to
> accelerate IPoIB packets.
>
> >If no, any plans for CM?
> No plan for CM at the moment, however, it may be considered in the
> future based on demand/use case.
I can give you use case - migration.
>
> Thanks for looking at.
> Yishai
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next prev parent reply other threads:[~2017-09-07 6:50 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-06 14:38 [PATCH rdma-core 0/3] Verbs support for source QPN Yishai Hadas
[not found] ` <1504708729-15249-1-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-09-06 14:38 ` [PATCH rdma-core 1/3] verbs: Enable creating QP with a given source QP number Yishai Hadas
2017-09-06 14:38 ` [PATCH rdma-core 2/3] mlx5: Add support for managing " Yishai Hadas
[not found] ` <1504708729-15249-3-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-09-06 15:12 ` Yuval Shaia
2017-09-06 15:56 ` Yishai Hadas
[not found] ` <1387444b-7c9d-d26c-d089-83b0d4b047d9-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-09-07 6:50 ` Yuval Shaia [this message]
[not found] ` <20170907065015.GA29974-aucZFOQYZpw5k8QU6pnCjNkmqwFzkYv6@public.gmane.org>
2017-09-07 15:13 ` Jason Gunthorpe
2017-09-06 14:38 ` [PATCH rdma-core 3/3] mlx5: Add support for sending IPoIB packets Yishai Hadas
[not found] ` <1504708729-15249-4-git-send-email-yishaih-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-09-06 16:04 ` Jason Gunthorpe
[not found] ` <20170906160443.GC6262-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-09-06 16:49 ` Yishai Hadas
[not found] ` <4151c1be-89f3-804f-8feb-5e2b0b3947bc-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2017-09-06 16:53 ` Jason Gunthorpe
[not found] ` <20170906165334.GA12002-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-09-07 8:57 ` Yishai Hadas
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