netdev - Re: [RFC PATCH v5 02/27] nvme-fabrics: Move NVMF_ALLOWED_OPTS and NVMF_REQUIRED

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Date:   Fri, 21 May 2021 15:15:26 -0700
From:   Sagi Grimberg <sagi@...mberg.me>
To:     Shai Malin <smalin@...vell.com>, netdev@...r.kernel.org,
        linux-nvme@...ts.infradead.org, davem@...emloft.net,
        kuba@...nel.org, hch@....de, axboe@...com, kbusch@...nel.org
Cc:     aelior@...vell.com, mkalderon@...vell.com, okulkarni@...vell.com,
        pkushwaha@...vell.com, malin1024@...il.com,
        Arie Gershberg <agershberg@...vell.com>
Subject: Re: [RFC PATCH v5 02/27] nvme-fabrics: Move NVMF_ALLOWED_OPTS and
 NVMF_REQUIRED_OPTS definitions


> From: Arie Gershberg <agershberg@...vell.com>
> 
> Move NVMF_ALLOWED_OPTS and NVMF_REQUIRED_OPTS definitions
> to header file, so it can be used by the different HW devices.
> 
> NVMeTCP offload devices might have different limitations of the
> allowed options, for example, a device that does not support all the
> queue types. With tcp and rdma, only the nvme-tcp and nvme-rdma layers
> handle those attributes and the HW devices do not create any limitations
> for the allowed options.
> 
> An alternative design could be to add separate fields in nvme_tcp_ofld_ops
> such as max_hw_sectors and max_segments that we already have in this
> series.

Seems harmless...
Acked-by: Sagi Grimberg <sagi@...mberg.me>