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ixgbe: Add FCoE feature code to 82599

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This adds the FCoE feature code ixgbe_fcoe.c to 82599. For a start, this patch
only adds ixgbe_configure_fcoe() to configure related register for FCoE to 82599.
In patches that follow, I will be adding more functions to ixgbe_fcoe.c to add
support of FCoE offload features to 82599.

Signed-off-by: Yi Zou <yi.zou@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yi Zou 2009-05-13 13:10:21 +00:00 committed by David S. Miller
parent e92cbeac89
commit d3a2ae6d31
1 changed files with 60 additions and 0 deletions
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60
drivers/net/ixgbe/ixgbe_fcoe.c Normal file
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/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
Copyright(c) 1999 - 2009 Intel Corporation.
This program is free software; you can redistribute it and/or modify it
under the terms and conditions of the GNU General Public License,
version 2, as published by the Free Software Foundation.
This program is distributed in the hope it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
The full GNU General Public License is included in this distribution in
the file called "COPYING".
Contact Information:
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*******************************************************************************/
#include "ixgbe.h"
#include <linux/if_ether.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/fc/fc_fs.h>
#include <scsi/fc/fc_fcoe.h>
#include <scsi/libfc.h>
#include <scsi/libfcoe.h>
/**
* ixgbe_configure_fcoe - configures registers for fcoe at start
* @adapter: ptr to ixgbe adapter
*
* This sets up FCoE related registers
*
* Returns : none
*/
void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
{
struct ixgbe_hw *hw = &adapter->hw;
/* L2 filter for FCoE: default to queue 0 */
IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FCOE),
(ETH_P_FCOE | IXGBE_ETQF_FCOE | IXGBE_ETQF_FILTER_EN));
IXGBE_WRITE_REG(hw, IXGBE_FCRECTL, 0);
IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FCOE),
IXGBE_ETQS_QUEUE_EN);
IXGBE_WRITE_REG(hw, IXGBE_FCRXCTRL,
IXGBE_FCRXCTRL_FCOELLI |
IXGBE_FCRXCTRL_FCCRCBO |
(FC_FCOE_VER << IXGBE_FCRXCTRL_FCOEVER_SHIFT));
}