netdev - Re: [net-next 0/9][pull request] 40GbE Intel Wired LAN Driver Updates 2017-05-31

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Date:   Wed, 31 May 2017 17:51:22 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     jeffrey.t.kirsher@...el.com
Cc:     netdev@...r.kernel.org, nhorman@...hat.com, sassmann@...hat.com,
        jogreene@...hat.com
Subject: Re: [net-next 0/9][pull request] 40GbE Intel Wired LAN Driver
 Updates 2017-05-31

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 31 May 2017 03:48:47 -0700

> This series contains updates to i40e and i40evf only.
> 
> Jesse provides a couple of fixes, starting with cleaning up duplicate
> lines of code.  Fixed a missing line which enables RSS as a negotiated
> feature.  Since the VF does not have any way of reporting FCoE enabled,
> so just force the code to always report FCoE as disabled.
> 
> Jake provides several fixes and changes, starting with fixing a race
> condition in i40e.  The hardware has a limitation on transmit PTP packets,
> which requires us to limit the driver to timestamping a single packet at
> once.  This is done using a state bitlock which enforces that only one
> timestamp request is honored at a time, unfortunately this suffers from
> a race condition.  Fixed a corner case where we failed to cleanup the
> bit lock after a failed transmit, and resulted in a state bit being
> locked forever.  Added a new statistic which tracks when a transmit
> timestamp request is skipped/ignored, since the driver can only handle
> one transmit timestamp request at a time.
> 
> Christophe Jaillet fixes a NULL pointer dereference if kzalloc fails.

Pulled, thanks Jeff.