Re: [PATCH V2 for-next 7/7] RDMA/hns: Set the guid for hip08 RoCE device

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On Wed, Jan 10, 2018 at 02:39:53PM +0800, Lijun Ou wrote:
> This patch assgin a guid(Global Unique identifer)
> value to the hip08 device.
>
> Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
> Signed-off-by: Yixian Liu <liuyixian@xxxxxxxxxx>
> Signed-off-by: Wei Hu (Xavier) <xavier.huwei@xxxxxxxxxx>
> ---
> V2:
> - Use the correct way to update guid from Leon
>   Romanovsky's review.
>
> V1:
> - The initial submit
> ---
>  drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> index a1839a3..2af4948 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
> @@ -34,6 +34,7 @@
>  #include <linux/etherdevice.h>
>  #include <linux/interrupt.h>
>  #include <linux/kernel.h>
> +#include <net/addrconf.h>
>  #include <rdma/ib_umem.h>
>
>  #include "hnae3.h"
> @@ -4679,6 +4680,9 @@ static int hns_roce_hw_v2_get_cfg(struct hns_roce_dev *hr_dev,
>  	hr_dev->iboe.netdevs[0] = handle->rinfo.netdev;
>  	hr_dev->iboe.phy_port[0] = 0;
>
> +	addrconf_addr_eui48((u8 *)&hr_dev->ib_dev.node_guid,
> +			    hr_dev->iboe.netdevs[0]->dev_addr);
> +

Are you sure that it is right thing to do?

ib_dev.node_guid is __be64 and you cast it for u8.

Maybe, it is right, but I don't have ability to test it now.

Thanks

>  	for (i = 0; i < HNS_ROCE_V2_MAX_IRQ_NUM; i++)
>  		hr_dev->irq[i] = pci_irq_vector(handle->pdev,
>  						i + handle->rinfo.base_vector);
> --
> 1.9.1
>

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