Actually, you have direct support through the local Cisco team. Please contact 
them for help.

Todd Fujinaka
Software Application Engineer
Networking Division (ND)
Intel Corporation
todd.fujin...@intel.com
(503) 712-4565

-----Original Message-----
From: Jeff Kirsher [mailto:jeffrey.t.kirs...@intel.com] 
Sent: Thursday, June 11, 2015 3:55 PM
To: Alpesh Patel
Cc: e1000-devel; Brandeburg, Jesse
Subject: Re: [E1000-devel] i40e driver question

On Wed, 2015-06-10 at 18:57 -0400, Alpesh Patel wrote:
> Hi Jeffrey,
> 
> I found your name from lwn.net posting.
> 
> I am trying to use the X710 nic and am using the i40e driver
> 
> Is that the right driver for that nic?

Yes.  I have added e1000-devel mailing list (as well as a couple of i40e
developers) to help answer your questions.

> I see a few dmesg logs (curtailed): 
> 
> on loading the driver (i40e):
> i40e: Intel(R) Ethernet Connection XL710 Network Driver - version 
> 0.4.10-k
> i40e: Copyright (c) 2013 - 2014 Intel Corporation.
> i40e 0000:05:00.0: f4.22 a1.1 n04.26 e8000152d i40e 0000:05:00.0: MAC 
> address: 68:05:ca:32:fd:78 i40e 0000:05:00.0: AQ Querying DCB 
> configuration failed: 1 i40e 0000:05:00.0: init_pf_dcb failed: -53 
> i40e 0000:05:00.0: irq 188 for MSI/MSI-X ...
> i40e 0000:05:00.0: irq 233 for MSI/MSI-X i40e 0000:05:00.0: Could not 
> remove default MAC-VLAN i40e 0000:05:00.0: i40e_ptp_init: added PHC on 
> eth18 i40e 0000:05:00.0: PCI-Express: Speed 8.0GT/s Width x8 i40e 
> 0000:05:00.0: Features: PF-id[0] VFs: 32 VSIs: 34 QP: 28 RSS FD_ATR 
> FD_SB NTUPLE PTP i40e 0000:05:00.1: f4.22 a1.1 n04.26 e8000152d i40e 
> 0000:05:00.1: MAC address: 68:05:ca:32:fd:79 i40e 0000:05:00.1: AQ 
> Querying DCB configuration failed: 1 i40e 0000:05:00.1: init_pf_dcb 
> failed: -53 i40e 0000:05:00.1: irq 234 for MSI/MSI-X ...
> 
> 
> and this happens for each of the 4 ports on this nic. I understand 
> that this nic uses fortville chip - with 4x10g ports on the nic.
> 
> When I connect the port to an ixia interface, the led on ixia is not 
> up (it is not lighted with any color)
> 
> I manually assigned an ip and brought the interface up - it stays up 
> and I am able to ping it, but that's just loopback interface ping.
> 
> are the failures/errors in the log above harmless?
> 
> any documentation on the driver/parameters? Any configuration or other 
> information that you can point me to would be helpful.
> 
> mii-tool on these interfaces do not work
> [root@ott-ss-dt-14 0000:05:00.0]# mii-tool eth18 SIOCGMIIPHY on 
> 'eth18' failed: Operation not supported
> 
> any pointers you can provide?

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