netdev - Re: [net-next 00/11][pull request] 40GbE Intel Wired LAN Driver Updates 2017-03-25

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Date:   Mon, 27 Mar 2017 16:38:23 -0700
From:   Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
        jogreene@...hat.com
Subject: Re: [net-next 00/11][pull request] 40GbE Intel Wired LAN Driver
 Updates 2017-03-25

On Sat, 2017-03-25 at 01:12 -0700, Jeff Kirsher wrote:
> This series contains updates to i40e and i40evf only.
> 
> Alex updates the driver code so that we can do bulk updates of the
> page
> reference count instead of just incrementing it by one reference at a
> time.  Fixed an issue where we were not resetting skb back to NULL
> when
> we have freed it.  Cleaned up the i40e_process_skb_fields() to align
> with
> other Intel drivers.  Removed FCoE code, since it is not supported in
> any
> of the Fortville/Fortpark hardware, so there is not much point of
> carrying
> the code around, especially if it is broken and untested.
> 
> Harshitha fixes a bug in the driver where the calculation of the RSS
> size
> was not taking into account the number of traffic classes enabled.
> 
> Robert fixes a potential race condition during VF reset by
> eliminating
> IOMMU DMAR Faults caused by VF hardware and when the OS initiates a
> VF
> reset and before the reset is finished we modify the VF's settings.
> 
> Carolyn adds a needed delay to accommodate the hardware needs.
> 
> Bimmy removes a delay that is no longer needed, since it was only
> needed
> for preproduction hardware.
> 
> Colin King fixes null pointer dereference, where VSI was being
> dereferenced before the VSI NULL check.
> 
> Jake fixes an issue with the recent addition of the "client code" to
> the
> driver, where we attempt to use an uninitialized variable, so
> correctly
> initialize the params variable by calling i40e_client_get_params().

I will re-spin the series without Carolyn's patch, while she works on
the patch to update the documentation/explanation on her change.

> 
> The following are changes since commit
> 2239cc634395ecce69dd047be9104f71edc417b4:
>   Merge branch 'epoll-busypoll'
> and are available in the git repository at:
>   git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
> 40GbE
> 
> Alexander Duyck (5):
>   i40e/i40evf: Update code to better handle incrementing page count
>   i40e/i40evf: Fix use after free in Rx cleanup path
>   i40e/i40evf: Clean-up process_skb_fields
>   i40e: Drop FCoE code from core driver files
>   i40e: Drop FCoE code that always evaluates to false or 0
> 
> Bimmy Pujari (1):
>   i40e: removed no longer needed delays
> 
> Carolyn Wyborny (1):
>   i40e: fix for queue timing delays
> 
> Colin Ian King (1):
>   i40evf: dereference VSI after VSI has been null checked
> 
> Harshitha Ramamurthy (1):
>   i40e: fix configuration of RSS table with DCB
> 
> Jacob Keller (1):
>   i40e: initialize params before notifying of l2_param_changes
> 
> Robert Konklewski (1):
>   i40e: Fixed race conditions in VF reset
> 
>  drivers/net/ethernet/intel/Kconfig                 |  11 -
>  drivers/net/ethernet/intel/i40e/Makefile           |   1 -
>  drivers/net/ethernet/intel/i40e/i40e.h             |  62 -----
>  drivers/net/ethernet/intel/i40e/i40e_client.c      |   2 +
>  drivers/net/ethernet/intel/i40e/i40e_common.c      |  27 --
>  drivers/net/ethernet/intel/i40e/i40e_debugfs.c     |  19 --
>  drivers/net/ethernet/intel/i40e/i40e_ethtool.c     |  35 ---
>  drivers/net/ethernet/intel/i40e/i40e_main.c        | 297 ++---------
> ----------
>  drivers/net/ethernet/intel/i40e/i40e_osdep.h       |   3 -
>  drivers/net/ethernet/intel/i40e/i40e_prototype.h   |   3 -
>  drivers/net/ethernet/intel/i40e/i40e_txrx.c        |  60 ++---
>  drivers/net/ethernet/intel/i40e/i40e_txrx.h        |  24 +-
>  drivers/net/ethernet/intel/i40e/i40e_type.h        | 138 ----------
>  drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c |  43 ++-
>  drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.h |   1 -
>  drivers/net/ethernet/intel/i40evf/i40e_txrx.c      |  33 ++-
>  drivers/net/ethernet/intel/i40evf/i40e_txrx.h      |  19 +-
>  drivers/net/ethernet/intel/i40evf/i40evf_client.c  |   9 +-
>  18 files changed, 114 insertions(+), 673 deletions(-)
> 

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