Re: [PATCH v5] libibverbs: display gid type in ibv_devinfo

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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



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