From: Scott Feldman <scofeldm@cisco.com>
To: Scott Feldman <scofeldm@cisco.com>,
"Rose, Gregory V" <gregory.v.rose@intel.com>,
David Miller <davem@davemloft.net>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"chrisw@redhat.com" <chrisw@redhat.com>,
"arnd@arndb.de" <arnd@arndb.de>,
"Williams, Mitch A" <mitch.a.williams@intel.com>
Subject: Re: [net-next-2.6 PATCH 1/2] Add ndo_set_vf_port_profile
Date: Mon, 26 Apr 2010 17:03:23 -0700 [thread overview]
Message-ID: <C7FB77DB.2BC42%scofeldm@cisco.com> (raw)
In-Reply-To: <C7FB6E1B.2BC18%scofeldm@cisco.com>
On 4/26/10 4:21 PM, "Scott Feldman" <scofeldm@cisco.com> wrote:
>> It seems to me that this:
>>
>> ip link show [ DEVICE ]
>>
>> should at least return the number of VFs so
>> that you can make sure the subsequent usage of this:
>
> Yes, I believe that's there today:
>
> NLA_PUT_U32(skb, IFLA_NUM_VF, dev_num_vf(dev->dev.parent));
>
> The number of VFs is returned in RTM_GETLINK. But, it's only returned if:
>
> if (dev->netdev_ops->ndo_get_vf_config && dev->dev.parent)
>
> For my proposal, I'll need to return IFLA_NUM_VF unconditionally so callers
> can get num VFs.
Hmmm...seems IFLA_NUM_VF assumes a PCI device supporting SR-IOV when it uses
dev_num_vf(). I think a better option would have been to query the device
for the number of VFs, without assuming SR-IOV or even PCI.
I see a ndo_get_num_vf() coming...
-scott
next prev parent reply other threads:[~2010-04-27 0:03 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-24 0:35 [net-next-2.6 PATCH 1/2] Add ndo_set_vf_port_profile (was iovnl) Scott Feldman
2010-04-24 0:35 ` [net-next-2.6 PATCH 2/2] add enic ndo_vf_set_port_profile op support for dynamic vnics Scott Feldman
2010-04-24 2:21 ` Chris Wright
2010-04-24 14:30 ` Scott Feldman
2010-04-24 2:22 ` [net-next-2.6 PATCH 1/2] Add ndo_set_vf_port_profile (was iovnl) Chris Wright
2010-04-24 14:37 ` Scott Feldman
2010-04-24 7:19 ` [net-next-2.6 PATCH 1/2] Add ndo_set_vf_port_profile David Miller
2010-04-26 19:27 ` Scott Feldman
2010-04-26 19:57 ` Scott Feldman
2010-04-26 20:25 ` David Miller
2010-04-26 22:38 ` Rose, Gregory V
2010-04-26 23:21 ` Scott Feldman
2010-04-27 0:03 ` Scott Feldman [this message]
2010-04-27 0:15 ` Chris Wright
2010-04-27 12:35 ` Arnd Bergmann
2010-04-27 17:33 ` Anirban Chakraborty
2010-04-27 19:38 ` Arnd Bergmann
2010-04-27 20:57 ` Scott Feldman
2010-04-26 20:24 ` David Miller
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