netdev - Re: [PATCH iproute2 3/5] rdma: Add device capability parsing

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Message-ID: <20170627164150.GA4288@obsidianresearch.com>
Date:   Tue, 27 Jun 2017 10:41:50 -0600
From:   Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Stephen Hemminger <stephen@...workplumber.org>,
        Doug Ledford <dledford@...hat.com>,
        Ariel Almog <ariela@...lanox.com>,
        Dennis Dalessandro <dennis.dalessandro@...el.com>,
        Linux RDMA <linux-rdma@...r.kernel.org>,
        Linux Netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2 3/5] rdma: Add device capability parsing

On Tue, Jun 27, 2017 at 12:21:29PM +0300, Leon Romanovsky wrote:
> > What will be the output of such command?
> >  $ rdma dev show mlx5_4
> 
> ip-like style:
> 
> $ rdma dev show mlx5_4
> 5: mlx5_4:
>     caps: <BAD_PKEY_CNTR, BAD_QKEY_CNTR, CHANGE_PHY_PORT, PORT_ACTIVE_EVENT, SYS_IMAGE_GUID, RC_RNR_NAK_GEN, MEM_WINDOW, UD_IP_CSUM, UD_TSO, XRC, MEM_MGT_EXTENSIONS, BLOCK_MULTICAST_LOOPBACK, MEM_WINDOW_TYPE_2B, RAW_IP_CSUM, SIGNATURE_HANDOVER, VIRTUAL_FUNCTION>
> $ rdma link show mlx5_3
> 4/1: mlx5_3/1:
>     caps: <CM, IP_BASED_GIDS>

I think that is better, maybe it should only show under some kind of
verbose mode, I don't know, it depends what other stuff ends up being
displayed..

Are you going to dump the gid table and pkey table too in one of these commands?

Jason