[PATCH v4 net-next] net: mvneta: implement .set_wol and .get_wol

[PATCH v4 net-next] net: mvneta: implement .set_wol and .get_wol

[Jisheng Zhang]

From: Jingju Hou <houjingj@marvell.com>

From: Jingju Hou <houjingj@marvell.com>

The mvneta itself does not support WOL, but the PHY might.
So pass the calls to the PHY

Signed-off-by: Jingju Hou <houjingj@marvell.com>
Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
---
since v3:
 - really fix the build error

since v2,v1:
 - using phy_dev member in struct net_device
 - add commit msg

 drivers/net/ethernet/marvell/mvneta.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 6dcc951af0ff..02611fa1c3b8 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -3929,6 +3929,25 @@ static int mvneta_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
 	return 0;
 }
 
+static void mvneta_ethtool_get_wol(struct net_device *dev,
+				   struct ethtool_wolinfo *wol)
+{
+	wol->supported = 0;
+	wol->wolopts = 0;
+
+	if (dev->phydev)
+		return phy_ethtool_get_wol(dev->phydev, wol);
+}
+
+static int mvneta_ethtool_set_wol(struct net_device *dev,
+				  struct ethtool_wolinfo *wol)
+{
+	if (!dev->phydev)
+		return -EOPNOTSUPP;
+
+	return phy_ethtool_set_wol(dev->phydev, wol);
+}
+
 static const struct net_device_ops mvneta_netdev_ops = {
 	.ndo_open            = mvneta_open,
 	.ndo_stop            = mvneta_stop,
@@ -3958,6 +3977,8 @@ const struct ethtool_ops mvneta_eth_tool_ops = {
 	.set_rxfh	= mvneta_ethtool_set_rxfh,
 	.get_link_ksettings = phy_ethtool_get_link_ksettings,
 	.set_link_ksettings = mvneta_ethtool_set_link_ksettings,
+	.get_wol        = mvneta_ethtool_get_wol,
+	.set_wol        = mvneta_ethtool_set_wol,
 };
 
 /* Initialize hw */
-- 
2.11.0

Re: [PATCH v4 net-next] net: mvneta: implement .set_wol and .get_wol

[Andrew Lunn]

On Mon, Jan 23, 2017 at 02:55:07PM +0800, Jisheng Zhang wrote:
> From: Jingju Hou <houjingj@marvell.com>
> 
> From: Jingju Hou <houjingj@marvell.com>
> 
> The mvneta itself does not support WOL, but the PHY might.
> So pass the calls to the PHY
> 
> Signed-off-by: Jingju Hou <houjingj@marvell.com>
> Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> ---
> since v3:
>  - really fix the build error

Keep trying....

But maybe tomorrow, after you have taken the pause Dave said you
should take, and maybe ask Jingju to really review it, in detail.

> 
> since v2,v1:
>  - using phy_dev member in struct net_device
>  - add commit msg
> 
>  drivers/net/ethernet/marvell/mvneta.c | 21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
> index 6dcc951af0ff..02611fa1c3b8 100644
> --- a/drivers/net/ethernet/marvell/mvneta.c
> +++ b/drivers/net/ethernet/marvell/mvneta.c
> @@ -3929,6 +3929,25 @@ static int mvneta_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
>  	return 0;
>  }
>  
> +static void mvneta_ethtool_get_wol(struct net_device *dev,
> +				   struct ethtool_wolinfo *wol)
> +{
> +	wol->supported = 0;
> +	wol->wolopts = 0;
> +
> +	if (dev->phydev)
> +		return phy_ethtool_get_wol(dev->phydev, wol);

This is a void function.  And you are returning a value.  And
phy_ethtool_get_wol() is also a void function, so does not actually
return anything.

0-day was telling you this. Please read what is said.

     Andrew

Re: [PATCH v4 net-next] net: mvneta: implement .set_wol and .get_wol

[Jisheng Zhang]

Hi Andrew,

On Mon, 23 Jan 2017 19:10:34 +0100 Andrew Lunn wrote:

> 
> On Mon, Jan 23, 2017 at 02:55:07PM +0800, Jisheng Zhang wrote:
> > From: Jingju Hou <houjingj@marvell.com>
> > 
> > From: Jingju Hou <houjingj@marvell.com>
> > 
> > The mvneta itself does not support WOL, but the PHY might.
> > So pass the calls to the PHY
> > 
> > Signed-off-by: Jingju Hou <houjingj@marvell.com>
> > Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> > ---
> > since v3:
> >  - really fix the build error  
> 
> Keep trying....
> 
> But maybe tomorrow, after you have taken the pause Dave said you
> should take, and maybe ask Jingju to really review it, in detail.

Jingju is a newbie in the Linux kernel community. She made a mistake
when trying to send the old patch. I picked up her patch when she went
on vacation, fixed the error and send it out on behalf of her.

> 
> > 
> > since v2,v1:
> >  - using phy_dev member in struct net_device
> >  - add commit msg
> > 
> >  drivers/net/ethernet/marvell/mvneta.c | 21 +++++++++++++++++++++
> >  1 file changed, 21 insertions(+)
> > 
> > diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
> > index 6dcc951af0ff..02611fa1c3b8 100644
> > --- a/drivers/net/ethernet/marvell/mvneta.c
> > +++ b/drivers/net/ethernet/marvell/mvneta.c
> > @@ -3929,6 +3929,25 @@ static int mvneta_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
> >  	return 0;
> >  }
> >  
> > +static void mvneta_ethtool_get_wol(struct net_device *dev,
> > +				   struct ethtool_wolinfo *wol)
> > +{
> > +	wol->supported = 0;
> > +	wol->wolopts = 0;
> > +
> > +	if (dev->phydev)
> > +		return phy_ethtool_get_wol(dev->phydev, wol);  
> 
> This is a void function.  And you are returning a value.  And
> phy_ethtool_get_wol() is also a void function, so does not actually
> return anything.

Thanks for catching it, fixed in v4, can you please review?

Re: [PATCH v4 net-next] net: mvneta: implement .set_wol and .get_wol

[Jisheng Zhang]

On Mon, 6 Feb 2017 15:08:48 +0800 Jisheng Zhang wrote:

> Hi Andrew,
> 
> On Mon, 23 Jan 2017 19:10:34 +0100 Andrew Lunn wrote:
> 
> > 
> > On Mon, Jan 23, 2017 at 02:55:07PM +0800, Jisheng Zhang wrote:  
> > > From: Jingju Hou <houjingj@marvell.com>
> > > 
> > > From: Jingju Hou <houjingj@marvell.com>
> > > 
> > > The mvneta itself does not support WOL, but the PHY might.
> > > So pass the calls to the PHY
> > > 
> > > Signed-off-by: Jingju Hou <houjingj@marvell.com>
> > > Signed-off-by: Jisheng Zhang <jszhang@marvell.com>
> > > ---
> > > since v3:
> > >  - really fix the build error    
> > 
> > Keep trying....
> > 
> > But maybe tomorrow, after you have taken the pause Dave said you
> > should take, and maybe ask Jingju to really review it, in detail.  
> 
> Jingju is a newbie in the Linux kernel community. She made a mistake
> when trying to send the old patch. I picked up her patch when she went
> on vacation, fixed the error and send it out on behalf of her.
> 
> >   
> > > 
> > > since v2,v1:
> > >  - using phy_dev member in struct net_device
> > >  - add commit msg
> > > 
> > >  drivers/net/ethernet/marvell/mvneta.c | 21 +++++++++++++++++++++
> > >  1 file changed, 21 insertions(+)
> > > 
> > > diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
> > > index 6dcc951af0ff..02611fa1c3b8 100644
> > > --- a/drivers/net/ethernet/marvell/mvneta.c
> > > +++ b/drivers/net/ethernet/marvell/mvneta.c
> > > @@ -3929,6 +3929,25 @@ static int mvneta_ethtool_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
> > >  	return 0;
> > >  }
> > >  
> > > +static void mvneta_ethtool_get_wol(struct net_device *dev,
> > > +				   struct ethtool_wolinfo *wol)
> > > +{
> > > +	wol->supported = 0;
> > > +	wol->wolopts = 0;
> > > +
> > > +	if (dev->phydev)
> > > +		return phy_ethtool_get_wol(dev->phydev, wol);    
> > 
> > This is a void function.  And you are returning a value.  And
> > phy_ethtool_get_wol() is also a void function, so does not actually
> > return anything.  
> 
> Thanks for catching it, fixed in v4, can you please review?

typo, fixed in v5.