netdev - Re: [PATCH net-next v2 1/2] ipoib: correcly show a VF hardware address

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Date:   Thu, 13 Jun 2019 11:24:09 -0400
From:   Doug Ledford <dledford@...hat.com>
To:     Denis Kirjanov <kda@...ux-powerpc.org>, davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
        mkubecek@...e.cz
Subject: Re: [PATCH net-next v2 1/2] ipoib: correcly show a VF hardware
 address

On Thu, 2019-06-13 at 16:20 +0200, Denis Kirjanov wrote:
> in the case of IPoIB with SRIOV enabled hardware
> ip link show command incorrecly prints
> 0 instead of a VF hardware address. To correcly print the address
> add a new field to specify an address length.
> 
> Before:
> 11: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast
> state UP mode DEFAULT group default qlen 256
>     link/infiniband
> 80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd
> 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
>     vf 0 MAC 00:00:00:00:00:00, spoof checking off, link-state
> disable,
> trust off, query_rss off
> ...
> After:
> 11: ib1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc pfifo_fast
> state UP mode DEFAULT group default qlen 256
>     link/infiniband
> 80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd
> 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff
>     vf 0     link/infiniband
> 80:00:00:66:fe:80:00:00:00:00:00:00:24:8a:07:03:00:a4:3e:7c brd
> 00:ff:ff:ff:ff:12:40:1b:ff:ff:00:00:00:00:00:00:ff:ff:ff:ff, spoof
> checking off, link-state disable, trust off, query_rss off
> 
> Signed-off-by: Denis Kirjanov <kda@...ux-powerpc.org>
> ---
>  drivers/infiniband/ulp/ipoib/ipoib_main.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c
> b/drivers/infiniband/ulp/ipoib/ipoib_main.c
> index 9b5e11d3fb85..04ea7db08e87 100644
> --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
> +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
> @@ -1998,6 +1998,7 @@ static int ipoib_get_vf_config(struct
> net_device *dev, int vf,
>  		return err;
>  
>  	ivf->vf = vf;
> +	memcpy(ivf->mac, dev->dev_addr, dev->addr_len);
>  
>  	return 0;
>  }

I'm ok with the patch, but your commit message does not match what the
patch does at all.  You need to correct the commit message.

-- 
Doug Ledford <dledford@...hat.com>
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