[Intel-wired-lan] [next PATCH S29 11/14] i40e: Use the new rx ctl register helpers. Don't use AQ calls from clear_hw.
Bowers, AndrewX
andrewx.bowers at intel.com
Fri Feb 19 00:40:48 UTC 2016
> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces at lists.osuosl.org] On
> Behalf Of Avinash Dayanand
> Sent: Wednesday, February 17, 2016 4:12 PM
> To: intel-wired-lan at lists.osuosl.org
> Subject: [Intel-wired-lan] [next PATCH S29 11/14] i40e: Use the new rx ctl
> register helpers. Don't use AQ calls from clear_hw.
>
> From: Shannon Nelson <shannon.nelson at intel.com>
>
> Use the new AdminQ functions for safely accessing the Rx control registers
> that may be affected by heavy small packet traffic.
>
> We can't use AdminQ calls in i40e_clear_hw() because the HW is being
> initialized and the AdminQ is not alive. We recently added an AQ related
> replacement for reading PFLAN_QALLOC, and this patch puts back the
> original register read.
>
> Signed-off-by: Shannon Nelson <shannon.nelson at intel.com>
> Change-ID: Ib027168c954a5733299aa3a4ce5f8218c6bb5636
> ---
> Testing Hints:
> Please be sure that flow director and RSS configuration changes
> work as expected both with and without stress traffic.
> Make sure the driver Loads.
>
> drivers/net/ethernet/intel/i40e/i40e_common.c | 2 +-
> drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 8 ++++----
> drivers/net/ethernet/intel/i40e/i40e_fcoe.c | 8 ++++----
> drivers/net/ethernet/intel/i40e/i40e_main.c | 20 ++++++++++----------
> drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c | 7 ++++---
> 5 files changed, 23 insertions(+), 22 deletions(-)
Tested-by: Andrew Bowers <andrewx.bowers at intel.com>
AQ-RSS functions work properly and change under load without error
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