netdev - [net-next v2 0/6][pull request] Intel Wired LAN Driver Updates 2015-09-28

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Date:	Mon, 28 Sep 2015 17:55:28 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>, netdev@...r.kernel.org,
	nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com,
	john.ronciak@...el.com
Subject: [net-next v2 0/6][pull request] Intel Wired LAN Driver Updates 2015-09-28

This series contains updates to i40e, i40evf and igb to resolve issues
seen and reported by Red Hat.

Kiran moves i40e_get_head() in preparation for the refactor of the Tx
timeout logic, so that it can be used in other areas of the driver.
Refactored the driver timeout logic by issuing a writeback request via
a software interrupt to the hardware the first time the driver detects
a hang.  This was due to the driver being too aggressive in resetting a
hung queue.

Shannon adds the GRE protocol to the transmit checksum encoding.

Anjali fixes an issue of forcing writeback too often, which caused us to
not benefit from NAPI.  We now disable force writeback in the clean
routine for X710 and XL710 adapters.  The X722 adapters do not enable
interrupt to force a writeback and benefit from WB_ON_ITR and so force
WB is left enabled for those adapters.  Fixed a possible deadlock issue
where sync_vsi_filters() can be called directly under RTNL or through
the timer subtask without RTNL.  So update the flow to see if we are
already under RTNL before trying to grab it.

Stefan Assmann provides a fix for igb where SR-IOV was not getting
enabled properly and we ran into a NULL pointer if the max_vfs module
parameter is specified.  This is prevented by setting the
IGB_FLAG_HAS_MSIX bit before calling igb_probe_vfs().

v2: added "i40e: Fix for recursive RTNL lock during PROMISC change" patch
    to the series, as it resolves another issues seen and reported by
    Red Hat.

The following are changes since commit 34c2d9fb0498c066afbe610b15e18995fd8be792:
  bridge: Allow forward delay to be cfgd when STP enabled
and are available in the git repository at:
  git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue master

Anjali Singhai (2):
  i40e: Fix RS bit update in Tx path and disable force WB workaround
  i40e: Fix for recursive RTNL lock during PROMISC change

Kiran Patil (2):
  i40e: Move i40e_get_head into header file
  i40e/i40evf: refactor tx timeout logic

Shannon Nelson (1):
  i40e: add GRE tunnel type to csum encoding

Stefan Assmann (1):
  igb: assume MSI-X interrupts during initialization

 drivers/net/ethernet/intel/i40e/i40e.h             |   3 +-
 drivers/net/ethernet/intel/i40e/i40e_debugfs.c     |   4 +-
 drivers/net/ethernet/intel/i40e/i40e_main.c        | 291 ++++++++++++---------
 drivers/net/ethernet/intel/i40e/i40e_txrx.c        | 214 ++++++---------
 drivers/net/ethernet/intel/i40e/i40e_txrx.h        |  26 +-
 drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c |   8 +-
 drivers/net/ethernet/intel/i40evf/i40e_txrx.c      |  94 +------
 drivers/net/ethernet/intel/i40evf/i40e_txrx.h      |   8 -
 drivers/net/ethernet/intel/igb/igb_main.c          |   3 +
 9 files changed, 296 insertions(+), 355 deletions(-)

-- 
2.4.3

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