Linux RDMA and InfiniBand development
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From: Jason Gunthorpe <jgg@mellanox.com>
To: Devesh Sharma <devesh.sharma@broadcom.com>
Cc: linux-rdma@vger.kernel.org, leon@kernel.org
Subject: Re: [PATCH v5] libibverbs: display gid type in ibv_devinfo
Date: Mon, 3 Feb 2020 13:53:17 -0400	[thread overview]
Message-ID: <20200203175317.GQ23346@mellanox.com> (raw)
In-Reply-To: <1580752324-24742-1-git-send-email-devesh.sharma@broadcom.com>

On Mon, Feb 03, 2020 at 12:52:04PM -0500, Devesh Sharma wrote:
> It becomes difficult to make out from the output of ibv_devinfo
> if a particular gid index is RoCE v2 or not.
> 
> Adding a string to the output of ibv_devinfo -v to display the
> gid type at the end of gid.
> 
> The output would look something like below:
> $ ibv_devinfo -v -d bnxt_re2
> hca_id: bnxt_re2
>  transport:             InfiniBand (0)
>  fw_ver:                216.0.220.0
>  node_guid:             b226:28ff:fed3:b0f0
>  sys_image_guid:        b226:28ff:fed3:b0f0
>   .
>   .
>   .
>   .
>        phys_state:      LINK_UP (5)
>        GID[  0]:               fe80::b226:28ff:fed3:b0f0, IB/RoCE v1
>        GID[  1]:               fe80::b226:28ff:fed3:b0f0, RoCE v2
>        GID[  2]:               ::ffff:192.170.1.101, IB/RoCE v1
>        GID[  3]:               ::ffff:192.170.1.101, RoCE v2

v1 GIDs are GIDs and should never be formed as IPv6 addreses..

Jason

  reply	other threads:[~2020-02-03 17:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-03 17:52 [PATCH v5] libibverbs: display gid type in ibv_devinfo Devesh Sharma
2020-02-03 17:53 ` Jason Gunthorpe [this message]
2020-02-03 18:01   ` Devesh Sharma
2020-02-03 18:04     ` Jason Gunthorpe
2020-02-03 18:09       ` Devesh Sharma
2020-02-04  4:27       ` Parav Pandit
2020-02-04  5:08         ` Devesh Sharma
2020-02-04  7:17         ` Leon Romanovsky
2020-02-04  7:25           ` Parav Pandit
2020-02-04  8:44             ` Devesh Sharma
2020-02-04  8:50               ` Devesh Sharma
2020-02-03 19:46 ` Leon Romanovsky
2020-02-04  5:07   ` Devesh Sharma

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