netdev - Re: [RFC v1 for accelerated IPoIB 04/25] IB/verb: Add ipoib

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Date:   Tue, 14 Mar 2017 15:25:52 +0200
From:   Erez Shitrit <erezsh@....mellanox.co.il>
To:     "Vishwanathapura, Niranjana" <niranjana.vishwanathapura@...el.com>
Cc:     Jason Gunthorpe <jgunthorpe@...idianresearch.com>,
        Erez Shitrit <erezsh@...lanox.com>,
        Doug Ledford <dledford@...hat.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
        netdev@...r.kernel.org, valex@...lanox.com,
        Leon Romanovsky <leonro@...lanox.com>, saedm@...lanox.com
Subject: Re: [RFC v1 for accelerated IPoIB 04/25] IB/verb: Add ipoib_options
 struct and API

On Tue, Mar 14, 2017 at 9:01 AM, Vishwanathapura, Niranjana
<niranjana.vishwanathapura@...el.com> wrote:
> On Mon, Mar 13, 2017 at 02:01:36PM -0600, Jason Gunthorpe wrote:
>>>
>>> +       /* multicast */
>>> +       int (*attach_mcast)(struct net_device *dev, struct ib_device
>>> *hca,
>>> +                           union ib_gid *gid, u16 lid, int set_qkey);
>>> +       int (*detach_mcast)(struct net_device *dev, struct ib_device
>>> *hca,
>>> +                           union ib_gid *gid, u16 lid);
>>
>>
>> It would make more sense to store the struct ib_device pointer in the
>> struct rdma_netdev.
>>
>
> Agree that it shouldn't be a function parameters.
> For opa_vnic, I found it convenient to store ib_device pointer in client and
> device private structures as those will be available in most places anyhow.

Will add it to the rdma_netdev obj, as Jason suggested.
Thanks,

>
> Niranjana