drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c - third_party/kernel - Git at Google

 /*******************************************************************************

   Intel 10 Gigabit PCI Express Linux driver
   Copyright(c) 1999 - 2013 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:
   Linux NICS <linux.nics@intel.com>
   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 "ixgbe_type.h"
 #include "ixgbe_dcb.h"
 #include "ixgbe_dcb_82598.h"

 /**
  * ixgbe_dcb_config_rx_arbiter_82598 - Config Rx data arbiter
  * @hw: pointer to hardware structure
  * @refill: refill credits index by traffic class
  * @max: max credits index by traffic class
  * @prio_type: priority type indexed by traffic class
  *
  * Configure Rx Data Arbiter and credits for each traffic class.
  */
 s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw,
 					u16 *refill,
 					u16 *max,
 					u8 *prio_type)
 {
 	u32    reg           = 0;
 	u32    credit_refill = 0;
 	u32    credit_max    = 0;
 	u8     i             = 0;

 	reg = IXGBE_READ_REG(hw, IXGBE_RUPPBMR) | IXGBE_RUPPBMR_MQA;
 	IXGBE_WRITE_REG(hw, IXGBE_RUPPBMR, reg);

 	reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
 	/* Enable Arbiter */
 	reg &= ~IXGBE_RMCS_ARBDIS;
 	/* Enable Receive Recycle within the BWG */
 	reg |= IXGBE_RMCS_RRM;
 	/* Enable Deficit Fixed Priority arbitration*/
 	reg |= IXGBE_RMCS_DFP;

 	IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg);

 	/* Configure traffic class credits and priority */
 	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
 		credit_refill = refill[i];
 		credit_max    = max[i];

 		reg = credit_refill | (credit_max << IXGBE_RT2CR_MCL_SHIFT);

 		if (prio_type[i] == prio_link)
 			reg |= IXGBE_RT2CR_LSP;

 		IXGBE_WRITE_REG(hw, IXGBE_RT2CR(i), reg);
 	}

 	reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 	reg |= IXGBE_RDRXCTL_RDMTS_1_2;
 	reg |= IXGBE_RDRXCTL_MPBEN;
 	reg |= IXGBE_RDRXCTL_MCEN;
 	IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg);

 	reg = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 	/* Make sure there is enough descriptors before arbitration */
 	reg &= ~IXGBE_RXCTRL_DMBYPS;
 	IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg);

 	return 0;
 }

 /**
  * ixgbe_dcb_config_tx_desc_arbiter_82598 - Config Tx Desc. arbiter
  * @hw: pointer to hardware structure
  * @refill: refill credits index by traffic class
  * @max: max credits index by traffic class
  * @bwg_id: bandwidth grouping indexed by traffic class
  * @prio_type: priority type indexed by traffic class
  *
  * Configure Tx Descriptor Arbiter and credits for each traffic class.
  */
 s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw,
 						u16 *refill,
 						u16 *max,
 						u8 *bwg_id,
 						u8 *prio_type)
 {
 	u32    reg, max_credits;
 	u8     i;

 	reg = IXGBE_READ_REG(hw, IXGBE_DPMCS);

 	/* Enable arbiter */
 	reg &= ~IXGBE_DPMCS_ARBDIS;
 	reg |= IXGBE_DPMCS_TSOEF;

 	/* Configure Max TSO packet size 34KB including payload and headers */
 	reg |= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT);

 	IXGBE_WRITE_REG(hw, IXGBE_DPMCS, reg);

 	/* Configure traffic class credits and priority */
 	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
 		max_credits = max[i];
 		reg = max_credits << IXGBE_TDTQ2TCCR_MCL_SHIFT;
 		reg |= refill[i];
 		reg |= (u32)(bwg_id[i]) << IXGBE_TDTQ2TCCR_BWG_SHIFT;

 		if (prio_type[i] == prio_group)
 			reg |= IXGBE_TDTQ2TCCR_GSP;

 		if (prio_type[i] == prio_link)
 			reg |= IXGBE_TDTQ2TCCR_LSP;

 		IXGBE_WRITE_REG(hw, IXGBE_TDTQ2TCCR(i), reg);
 	}

 	return 0;
 }

 /**
  * ixgbe_dcb_config_tx_data_arbiter_82598 - Config Tx data arbiter
  * @hw: pointer to hardware structure
  * @refill: refill credits index by traffic class
  * @max: max credits index by traffic class
  * @bwg_id: bandwidth grouping indexed by traffic class
  * @prio_type: priority type indexed by traffic class
  *
  * Configure Tx Data Arbiter and credits for each traffic class.
  */
 s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw,
 						u16 *refill,
 						u16 *max,
 						u8 *bwg_id,
 						u8 *prio_type)
 {
 	u32 reg;
 	u8 i;

 	reg = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 	/* Enable Data Plane Arbiter */
 	reg &= ~IXGBE_PDPMCS_ARBDIS;
 	/* Enable DFP and Transmit Recycle Mode */
 	reg |= (IXGBE_PDPMCS_TPPAC | IXGBE_PDPMCS_TRM);

 	IXGBE_WRITE_REG(hw, IXGBE_PDPMCS, reg);

 	/* Configure traffic class credits and priority */
 	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
 		reg = refill[i];
 		reg |= (u32)(max[i]) << IXGBE_TDPT2TCCR_MCL_SHIFT;
 		reg |= (u32)(bwg_id[i]) << IXGBE_TDPT2TCCR_BWG_SHIFT;

 		if (prio_type[i] == prio_group)
 			reg |= IXGBE_TDPT2TCCR_GSP;

 		if (prio_type[i] == prio_link)
 			reg |= IXGBE_TDPT2TCCR_LSP;

 		IXGBE_WRITE_REG(hw, IXGBE_TDPT2TCCR(i), reg);
 	}

 	/* Enable Tx packet buffer division */
 	reg = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 	reg |= IXGBE_DTXCTL_ENDBUBD;
 	IXGBE_WRITE_REG(hw, IXGBE_DTXCTL, reg);

 	return 0;
 }

 /**
  * ixgbe_dcb_config_pfc_82598 - Config priority flow control
  * @hw: pointer to hardware structure
  * @pfc_en: enabled pfc bitmask
  *
  * Configure Priority Flow Control for each traffic class.
  */
 s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en)
 {
 	u32 fcrtl, reg;
 	u8  i;

 	/* Enable Transmit Priority Flow Control */
 	reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
 	reg &= ~IXGBE_RMCS_TFCE_802_3X;
 	reg |= IXGBE_RMCS_TFCE_PRIORITY;
 	IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg);

 	/* Enable Receive Priority Flow Control */
 	reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 	reg &= ~(IXGBE_FCTRL_RPFCE | IXGBE_FCTRL_RFCE);

 	if (pfc_en)
 		reg |= IXGBE_FCTRL_RPFCE;

 	IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg);

 	/* Configure PFC Tx thresholds per TC */
 	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
 		if (!(pfc_en & BIT(i))) {
 			IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
 			IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
 			continue;
 		}

 		fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
 		reg = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
 		IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
 		IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), reg);
 	}

 	/* Configure pause time */
 	reg = hw->fc.pause_time * 0x00010001;
 	for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
 		IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);

 	/* Configure flow control refresh threshold value */
 	IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);


 	return 0;
 }

 /**
  * ixgbe_dcb_config_tc_stats_82598 - Configure traffic class statistics
  * @hw: pointer to hardware structure
  *
  * Configure queue statistics registers, all queues belonging to same traffic
  * class uses a single set of queue statistics counters.
  */
 static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw)
 {
 	u32 reg = 0;
 	u8  i   = 0;
 	u8  j   = 0;

 	/* Receive Queues stats setting -  8 queues per statistics reg */
 	for (i = 0, j = 0; i < 15 && j < 8; i = i + 2, j++) {
 		reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(i));
 		reg |= ((0x1010101) * j);
 		IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i), reg);
 		reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(i + 1));
 		reg |= ((0x1010101) * j);
 		IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i + 1), reg);
 	}
 	/* Transmit Queues stats setting -  4 queues per statistics reg */
 	for (i = 0; i < 8; i++) {
 		reg = IXGBE_READ_REG(hw, IXGBE_TQSMR(i));
 		reg |= ((0x1010101) * i);
 		IXGBE_WRITE_REG(hw, IXGBE_TQSMR(i), reg);
 	}

 	return 0;
 }

 /**
  * ixgbe_dcb_hw_config_82598 - Config and enable DCB
  * @hw: pointer to hardware structure
  * @pfc_en: enabled pfc bitmask
  * @refill: refill credits index by traffic class
  * @max: max credits index by traffic class
  * @bwg_id: bandwidth grouping indexed by traffic class
  * @prio_type: priority type indexed by traffic class
  *
  * Configure dcb settings and enable dcb mode.
  */
 s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
 			      u16 *max, u8 *bwg_id, u8 *prio_type)
 {
 	ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, prio_type);
 	ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max,
 					       bwg_id, prio_type);
 	ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max,
 					       bwg_id, prio_type);
 	ixgbe_dcb_config_pfc_82598(hw, pfc_en);
 	ixgbe_dcb_config_tc_stats_82598(hw);

 	return 0;
 }
	/*******************************************************************************

	Intel 10 Gigabit PCI Express Linux driver
	Copyright(c) 1999 - 2013 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:
	Linux NICS <linux.nics@intel.com>
	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 "ixgbe_type.h"
	#include "ixgbe_dcb.h"
	#include "ixgbe_dcb_82598.h"

	/**
	* ixgbe_dcb_config_rx_arbiter_82598 - Config Rx data arbiter
	* @hw: pointer to hardware structure
	* @refill: refill credits index by traffic class
	* @max: max credits index by traffic class
	* @prio_type: priority type indexed by traffic class
	*
	* Configure Rx Data Arbiter and credits for each traffic class.
	*/
	s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw,
	u16 *refill,
	u16 *max,
	u8 *prio_type)
	{
	u32 reg = 0;
	u32 credit_refill = 0;
	u32 credit_max = 0;
	u8 i = 0;

	reg = IXGBE_READ_REG(hw, IXGBE_RUPPBMR) \| IXGBE_RUPPBMR_MQA;
	IXGBE_WRITE_REG(hw, IXGBE_RUPPBMR, reg);

	reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
	/* Enable Arbiter */
	reg &= ~IXGBE_RMCS_ARBDIS;
	/* Enable Receive Recycle within the BWG */
	reg \|= IXGBE_RMCS_RRM;
	/* Enable Deficit Fixed Priority arbitration*/
	reg \|= IXGBE_RMCS_DFP;

	IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg);

	/* Configure traffic class credits and priority */
	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
	credit_refill = refill[i];
	credit_max = max[i];

	reg = credit_refill \| (credit_max << IXGBE_RT2CR_MCL_SHIFT);

	if (prio_type[i] == prio_link)
	reg \|= IXGBE_RT2CR_LSP;

	IXGBE_WRITE_REG(hw, IXGBE_RT2CR(i), reg);
	}

	reg = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
	reg \|= IXGBE_RDRXCTL_RDMTS_1_2;
	reg \|= IXGBE_RDRXCTL_MPBEN;
	reg \|= IXGBE_RDRXCTL_MCEN;
	IXGBE_WRITE_REG(hw, IXGBE_RDRXCTL, reg);

	reg = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
	/* Make sure there is enough descriptors before arbitration */
	reg &= ~IXGBE_RXCTRL_DMBYPS;
	IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg);

	return 0;
	}

	/**
	* ixgbe_dcb_config_tx_desc_arbiter_82598 - Config Tx Desc. arbiter
	* @hw: pointer to hardware structure
	* @refill: refill credits index by traffic class
	* @max: max credits index by traffic class
	* @bwg_id: bandwidth grouping indexed by traffic class
	* @prio_type: priority type indexed by traffic class
	*
	* Configure Tx Descriptor Arbiter and credits for each traffic class.
	*/
	s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw,
	u16 *refill,
	u16 *max,
	u8 *bwg_id,
	u8 *prio_type)
	{
	u32 reg, max_credits;
	u8 i;

	reg = IXGBE_READ_REG(hw, IXGBE_DPMCS);

	/* Enable arbiter */
	reg &= ~IXGBE_DPMCS_ARBDIS;
	reg \|= IXGBE_DPMCS_TSOEF;

	/* Configure Max TSO packet size 34KB including payload and headers */
	reg \|= (0x4 << IXGBE_DPMCS_MTSOS_SHIFT);

	IXGBE_WRITE_REG(hw, IXGBE_DPMCS, reg);

	/* Configure traffic class credits and priority */
	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
	max_credits = max[i];
	reg = max_credits << IXGBE_TDTQ2TCCR_MCL_SHIFT;
	reg \|= refill[i];
	reg \|= (u32)(bwg_id[i]) << IXGBE_TDTQ2TCCR_BWG_SHIFT;

	if (prio_type[i] == prio_group)
	reg \|= IXGBE_TDTQ2TCCR_GSP;

	if (prio_type[i] == prio_link)
	reg \|= IXGBE_TDTQ2TCCR_LSP;

	IXGBE_WRITE_REG(hw, IXGBE_TDTQ2TCCR(i), reg);
	}

	return 0;
	}

	/**
	* ixgbe_dcb_config_tx_data_arbiter_82598 - Config Tx data arbiter
	* @hw: pointer to hardware structure
	* @refill: refill credits index by traffic class
	* @max: max credits index by traffic class
	* @bwg_id: bandwidth grouping indexed by traffic class
	* @prio_type: priority type indexed by traffic class
	*
	* Configure Tx Data Arbiter and credits for each traffic class.
	*/
	s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw,
	u16 *refill,
	u16 *max,
	u8 *bwg_id,
	u8 *prio_type)
	{
	u32 reg;
	u8 i;

	reg = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
	/* Enable Data Plane Arbiter */
	reg &= ~IXGBE_PDPMCS_ARBDIS;
	/* Enable DFP and Transmit Recycle Mode */
	reg \|= (IXGBE_PDPMCS_TPPAC \| IXGBE_PDPMCS_TRM);

	IXGBE_WRITE_REG(hw, IXGBE_PDPMCS, reg);

	/* Configure traffic class credits and priority */
	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
	reg = refill[i];
	reg \|= (u32)(max[i]) << IXGBE_TDPT2TCCR_MCL_SHIFT;
	reg \|= (u32)(bwg_id[i]) << IXGBE_TDPT2TCCR_BWG_SHIFT;

	if (prio_type[i] == prio_group)
	reg \|= IXGBE_TDPT2TCCR_GSP;

	if (prio_type[i] == prio_link)
	reg \|= IXGBE_TDPT2TCCR_LSP;

	IXGBE_WRITE_REG(hw, IXGBE_TDPT2TCCR(i), reg);
	}

	/* Enable Tx packet buffer division */
	reg = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
	reg \|= IXGBE_DTXCTL_ENDBUBD;
	IXGBE_WRITE_REG(hw, IXGBE_DTXCTL, reg);

	return 0;
	}

	/**
	* ixgbe_dcb_config_pfc_82598 - Config priority flow control
	* @hw: pointer to hardware structure
	* @pfc_en: enabled pfc bitmask
	*
	* Configure Priority Flow Control for each traffic class.
	*/
	s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *hw, u8 pfc_en)
	{
	u32 fcrtl, reg;
	u8 i;

	/* Enable Transmit Priority Flow Control */
	reg = IXGBE_READ_REG(hw, IXGBE_RMCS);
	reg &= ~IXGBE_RMCS_TFCE_802_3X;
	reg \|= IXGBE_RMCS_TFCE_PRIORITY;
	IXGBE_WRITE_REG(hw, IXGBE_RMCS, reg);

	/* Enable Receive Priority Flow Control */
	reg = IXGBE_READ_REG(hw, IXGBE_FCTRL);
	reg &= ~(IXGBE_FCTRL_RPFCE \| IXGBE_FCTRL_RFCE);

	if (pfc_en)
	reg \|= IXGBE_FCTRL_RPFCE;

	IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg);

	/* Configure PFC Tx thresholds per TC */
	for (i = 0; i < MAX_TRAFFIC_CLASS; i++) {
	if (!(pfc_en & BIT(i))) {
	IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), 0);
	IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), 0);
	continue;
	}

	fcrtl = (hw->fc.low_water[i] << 10) \| IXGBE_FCRTL_XONE;
	reg = (hw->fc.high_water[i] << 10) \| IXGBE_FCRTH_FCEN;
	IXGBE_WRITE_REG(hw, IXGBE_FCRTL(i), fcrtl);
	IXGBE_WRITE_REG(hw, IXGBE_FCRTH(i), reg);
	}

	/* Configure pause time */
	reg = hw->fc.pause_time * 0x00010001;
	for (i = 0; i < (MAX_TRAFFIC_CLASS / 2); i++)
	IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);

	/* Configure flow control refresh threshold value */
	IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);


	return 0;
	}

	/**
	* ixgbe_dcb_config_tc_stats_82598 - Configure traffic class statistics
	* @hw: pointer to hardware structure
	*
	* Configure queue statistics registers, all queues belonging to same traffic
	* class uses a single set of queue statistics counters.
	*/
	static s32 ixgbe_dcb_config_tc_stats_82598(struct ixgbe_hw *hw)
	{
	u32 reg = 0;
	u8 i = 0;
	u8 j = 0;

	/* Receive Queues stats setting - 8 queues per statistics reg */
	for (i = 0, j = 0; i < 15 && j < 8; i = i + 2, j++) {
	reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(i));
	reg \|= ((0x1010101) * j);
	IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i), reg);
	reg = IXGBE_READ_REG(hw, IXGBE_RQSMR(i + 1));
	reg \|= ((0x1010101) * j);
	IXGBE_WRITE_REG(hw, IXGBE_RQSMR(i + 1), reg);
	}
	/* Transmit Queues stats setting - 4 queues per statistics reg */
	for (i = 0; i < 8; i++) {
	reg = IXGBE_READ_REG(hw, IXGBE_TQSMR(i));
	reg \|= ((0x1010101) * i);
	IXGBE_WRITE_REG(hw, IXGBE_TQSMR(i), reg);
	}

	return 0;
	}

	/**
	* ixgbe_dcb_hw_config_82598 - Config and enable DCB
	* @hw: pointer to hardware structure
	* @pfc_en: enabled pfc bitmask
	* @refill: refill credits index by traffic class
	* @max: max credits index by traffic class
	* @bwg_id: bandwidth grouping indexed by traffic class
	* @prio_type: priority type indexed by traffic class
	*
	* Configure dcb settings and enable dcb mode.
	*/
	s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw hw, u8 pfc_en, u16 refill,
	u16 max, u8 bwg_id, u8 *prio_type)
	{
	ixgbe_dcb_config_rx_arbiter_82598(hw, refill, max, prio_type);
	ixgbe_dcb_config_tx_desc_arbiter_82598(hw, refill, max,
	bwg_id, prio_type);
	ixgbe_dcb_config_tx_data_arbiter_82598(hw, refill, max,
	bwg_id, prio_type);
	ixgbe_dcb_config_pfc_82598(hw, pfc_en);
	ixgbe_dcb_config_tc_stats_82598(hw);

	return 0;
	}