linux-kernel - Re: [PATCH for-next 02/10] IB/hns: Register add_gid and del

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Date:   Mon, 12 Sep 2016 15:40:10 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Salil Mehta <salil.mehta@...wei.com>
Cc:     dledford@...hat.com, xavier.huwei@...wei.com, oulijun@...wei.com,
        yisen.zhuang@...wei.com, mehta.salil.lnk@...il.com,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org,
        linuxarm@...wei.com
Subject: Re: [PATCH for-next 02/10] IB/hns: Register add_gid and del_gid for
 GID Table management

On Fri, Sep 02, 2016 at 05:37:17AM +0800, Salil Mehta wrote:
> From: Lijun Ou <oulijun@...wei.com>
>
> This patch adds support of add_gid() and del_gid() function in the
> HNS RoCE driver for manipulation of the GID table associated with
> port. This shall be used be used by CM when connection is
> established.
>
> Signed-off-by: Lijun Ou <oulijun@...wei.com>
> Reviewed-by: Wei Hu <xavier.huwei@...wei.com>
> Signed-off-by: Salil Mehta <salil.mehta@...wei.com>
> ---
>  drivers/infiniband/hw/hns/hns_roce_main.c |   15 +++++++++++++++
>  1 file changed, 15 insertions(+)
>
> diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c b/drivers/infiniband/hw/hns/hns_roce_main.c
> index 39e69c3..4e93120 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_main.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_main.c
> @@ -158,6 +158,19 @@ static void hns_roce_update_gids(struct hns_roce_dev *hr_dev, int port)
>  	ib_dispatch_event(&event);
>  }
>
> +static int hns_roce_add_gid(struct ib_device *device, u8 port_num,
> +			    unsigned int index, const union ib_gid *gid,
> +			    const struct ib_gid_attr *attr, void **context)
> +{
> +	return 0;
> +}
> +
> +static int hns_roce_del_gid(struct ib_device *device, u8 port_num,
> +			    unsigned int index, void **context)
> +{
> +	return 0;
> +}

This patch makes no sense to me. It is the same as not write this
functions at all.

> +
>  static int handle_en_event(struct hns_roce_dev *hr_dev, u8 port,
>  			   unsigned long event)
>  {
> @@ -639,6 +652,8 @@ static int hns_roce_register_device(struct hns_roce_dev *hr_dev)
>  	ib_dev->get_link_layer		= hns_roce_get_link_layer;
>  	ib_dev->get_netdev		= hns_roce_get_netdev;
>  	ib_dev->query_gid		= hns_roce_query_gid;
> +	ib_dev->add_gid			= hns_roce_add_gid;
> +	ib_dev->del_gid			= hns_roce_del_gid;
>  	ib_dev->query_pkey		= hns_roce_query_pkey;
>  	ib_dev->alloc_ucontext		= hns_roce_alloc_ucontext;
>  	ib_dev->dealloc_ucontext	= hns_roce_dealloc_ucontext;
> --
> 1.7.9.5
>
> --
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