netdev - RE: [PATCH net-next v5 3/5] devlink: Introduce PCI PF port flavour and port attribute

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Message-ID: <AM0PR05MB48660BBC17DF4BB2363EFA3ED1F10@AM0PR05MB4866.eurprd05.prod.outlook.com>
Date:   Tue, 9 Jul 2019 02:36:20 +0000
From:   Parav Pandit <parav@...lanox.com>
To:     Jakub Kicinski <jakub.kicinski@...ronome.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jiri Pirko <jiri@...lanox.com>,
        Saeed Mahameed <saeedm@...lanox.com>
Subject: RE: [PATCH net-next v5 3/5] devlink: Introduce PCI PF port flavour
 and port attribute



> -----Original Message-----
> From: Jakub Kicinski <jakub.kicinski@...ronome.com>
> Sent: Tuesday, July 9, 2019 2:44 AM
> To: Parav Pandit <parav@...lanox.com>
> Cc: netdev@...r.kernel.org; Jiri Pirko <jiri@...lanox.com>; Saeed Mahameed
> <saeedm@...lanox.com>
> Subject: Re: [PATCH net-next v5 3/5] devlink: Introduce PCI PF port flavour and
> port attribute
> 
> On Sun,  7 Jul 2019 23:15:47 -0500, Parav Pandit wrote:
> > diff --git a/net/core/devlink.c b/net/core/devlink.c index
> > 3e5f8204c36f..88b2cf207cb2 100644
> > --- a/net/core/devlink.c
> > +++ b/net/core/devlink.c
> > @@ -519,6 +519,11 @@ static int devlink_nl_port_attrs_put(struct sk_buff
> *msg,
> >  	if (devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_PHYSICAL
> &&
> >  	    devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_CPU &&
> >  	    devlink_port->attrs.flavour != DEVLINK_PORT_FLAVOUR_DSA)
> >  		return 0;
> > +	if (devlink_port->attrs.flavour == DEVLINK_PORT_FLAVOUR_PCI_PF) {
> 
> Thanks for making the changes!  I'm not sure how this would work, tho.
> We return early if flavour is not phys/cpu/dsa, so how can flavour be pci here?..
> 
My bad. Hunk got applied at wrong place when I split the patch.
Correcting it along with physical to phys name change that Jiri suggested.

> > +		if (nla_put_u16(msg, DEVLINK_ATTR_PORT_PCI_PF_NUMBER,
> > +				attrs->pci_pf.pf))
> > +			return -EMSGSIZE;
> > +	}
> >  	if (nla_put_u32(msg, DEVLINK_ATTR_PORT_NUMBER,
> >  			attrs->physical.port_number))
> >  		return -EMSGSIZE;