It seems the only way to get the current pci-e bus speed & width
in ixgbe (and probably many other NICs) is by parsing output
of lspci -vvv.
I'd personally find it easier if this info were available via
ethtool API.
Any opinions on adding this info? I was thinking something like:
struct ethtool
From: Ben Greear
Date: Wed, 05 Dec 2012 13:35:01 -0800
> It seems the only way to get the current pci-e bus speed & width
> in ixgbe (and probably many other NICs) is by parsing output
> of lspci -vvv.
>
> I'd personally find it easier if this info were available via
> ethtool API.
You could ju
On 12/05/2012 02:36 PM, David Miller wrote:
> From: Ben Greear
> Date: Wed, 05 Dec 2012 13:35:01 -0800
>
>> It seems the only way to get the current pci-e bus speed & width
>> in ixgbe (and probably many other NICs) is by parsing output
>> of lspci -vvv.
>>
>> I'd personally find it easier if this
From: Ben Greear
Date: Wed, 05 Dec 2012 15:09:11 -0800
> On 12/05/2012 02:36 PM, David Miller wrote:
>> From: Ben Greear
>> Date: Wed, 05 Dec 2012 13:35:01 -0800
>>
>>> It seems the only way to get the current pci-e bus speed & width
>>> in ixgbe (and probably many other NICs) is by parsing outp
On 12/05/2012 04:01 PM, David Miller wrote:
> lspci might be a good place to figure this out :-) It's probably
> grovelling around in PCI config space to determine these things.
And if not lspci, "pcitop" used to grub around for such things, though
its source may be rather moldy. I'm sure thoug
On 12/05/2012 04:20 PM, Brice Goglin wrote:
> Le 05/12/2012 16:01, David Miller a écrit :
>> lspci might be a good place to figure this out :-) It's probably
>> grovelling around in PCI config space to determine these things.
>
> Right, it looks from PCI_EXP_LNKSTA in the config space (only works a
Le 05/12/2012 16:01, David Miller a écrit :
> lspci might be a good place to figure this out :-) It's probably
> grovelling around in PCI config space to determine these things.
Right, it looks from PCI_EXP_LNKSTA in the config space (only works as
root). Here's how we do the same in hwloc (using
On Wed, 2012-12-05 at 13:35 -0800, Ben Greear wrote:
> It seems the only way to get the current pci-e bus speed & width
> in ixgbe (and probably many other NICs) is by parsing output
> of lspci -vvv.
>
> I'd personally find it easier if this info were available via
> ethtool API.
>
> Any opinions
