drivers/net/ixgbe/ixgbe_dcb_nl.c - maze/linux - Git at Google

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

   Intel 10 Gigabit PCI Express Linux driver
   Copyright(c) 1999 - 2008 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 <linux/dcbnl.h>

 /* Callbacks for DCB netlink in the kernel */
 #define BIT_DCB_MODE	0x01
 #define BIT_PFC		0x02
 #define BIT_PG_RX	0x04
 #define BIT_PG_TX	0x08

 int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
                        struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max)
 {
 	struct tc_configuration *src_tc_cfg = NULL;
 	struct tc_configuration *dst_tc_cfg = NULL;
 	int i;

 	if (!src_dcb_cfg || !dst_dcb_cfg)
 		return -EINVAL;

 	for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
 		src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
 		dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];

 		dst_tc_cfg->path[DCB_TX_CONFIG].prio_type =
 				src_tc_cfg->path[DCB_TX_CONFIG].prio_type;

 		dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id =
 				src_tc_cfg->path[DCB_TX_CONFIG].bwg_id;

 		dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent =
 				src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent;

 		dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap =
 				src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap;

 		dst_tc_cfg->path[DCB_RX_CONFIG].prio_type =
 				src_tc_cfg->path[DCB_RX_CONFIG].prio_type;

 		dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id =
 				src_tc_cfg->path[DCB_RX_CONFIG].bwg_id;

 		dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent =
 				src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent;

 		dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap =
 				src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap;
 	}

 	for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
 		dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG]
 			[i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
 				[DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
 		dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG]
 			[i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
 				[DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
 	}

 	for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
 		dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc =
 			src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
 	}

 	return 0;
 }

 static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	DPRINTK(DRV, INFO, "Get DCB Admin Mode.\n");

 	return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
 }

 static u16 ixgbe_dcb_select_queue(struct net_device *dev, struct sk_buff *skb)
 {
 	/* All traffic should default to class 0 */
 	return 0;
 }

 static void ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	DPRINTK(DRV, INFO, "Set DCB Admin Mode.\n");

 	if (state > 0) {
 		/* Turn on DCB */
 		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 			return;
 		} else {
 			if (netif_running(netdev))
 				netdev->stop(netdev);
 			ixgbe_reset_interrupt_capability(adapter);
 			ixgbe_napi_del_all(adapter);
 			kfree(adapter->tx_ring);
 			kfree(adapter->rx_ring);
 			adapter->tx_ring = NULL;
 			adapter->rx_ring = NULL;
 			netdev->select_queue = &ixgbe_dcb_select_queue;

 			adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
 			adapter->flags |= IXGBE_FLAG_DCB_ENABLED;
 			ixgbe_init_interrupt_scheme(adapter);
 			ixgbe_napi_add_all(adapter);
 			if (netif_running(netdev))
 				netdev->open(netdev);
 		}
 	} else {
 		/* Turn off DCB */
 		if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 			if (netif_running(netdev))
 				netdev->stop(netdev);
 			ixgbe_reset_interrupt_capability(adapter);
 			ixgbe_napi_del_all(adapter);
 			kfree(adapter->tx_ring);
 			kfree(adapter->rx_ring);
 			adapter->tx_ring = NULL;
 			adapter->rx_ring = NULL;
 			netdev->select_queue = NULL;

 			adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
 			adapter->flags |= IXGBE_FLAG_RSS_ENABLED;
 			ixgbe_init_interrupt_scheme(adapter);
 			ixgbe_napi_add_all(adapter);
 			if (netif_running(netdev))
 				netdev->open(netdev);
 		} else {
 			return;
 		}
 	}
 }

 static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
 					 u8 *perm_addr)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	int i;

 	for (i = 0; i < netdev->addr_len; i++)
 		perm_addr[i] = adapter->hw.mac.perm_addr[i];
 }

 static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
                                          u8 prio, u8 bwg_id, u8 bw_pct,
                                          u8 up_map)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	if (prio != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio;
 	if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id;
 	if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent =
 			bw_pct;
 	if (up_map != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
 			up_map;

 	if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type !=
 	     adapter->dcb_cfg.tc_config[tc].path[0].prio_type) ||
 	    (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id !=
 	     adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) ||
 	    (adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent !=
 	     adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) ||
 	    (adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
 	     adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap))
 		adapter->dcb_set_bitmap |= BIT_PG_TX;
 }

 static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
                                           u8 bw_pct)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;

 	if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] !=
 	    adapter->dcb_cfg.bw_percentage[0][bwg_id])
 		adapter->dcb_set_bitmap |= BIT_PG_RX;
 }

 static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
                                          u8 prio, u8 bwg_id, u8 bw_pct,
                                          u8 up_map)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	if (prio != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio;
 	if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id;
 	if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent =
 			bw_pct;
 	if (up_map != DCB_ATTR_VALUE_UNDEFINED)
 		adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
 			up_map;

 	if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type !=
 	     adapter->dcb_cfg.tc_config[tc].path[1].prio_type) ||
 	    (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id !=
 	     adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) ||
 	    (adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent !=
 	     adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) ||
 	    (adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
 	     adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap))
 		adapter->dcb_set_bitmap |= BIT_PG_RX;
 }

 static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
                                           u8 bw_pct)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;

 	if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] !=
 	    adapter->dcb_cfg.bw_percentage[1][bwg_id])
 		adapter->dcb_set_bitmap |= BIT_PG_RX;
 }

 static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
                                          u8 *prio, u8 *bwg_id, u8 *bw_pct,
                                          u8 *up_map)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	*prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type;
 	*bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id;
 	*bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent;
 	*up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap;
 }

 static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
                                           u8 *bw_pct)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	*bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id];
 }

 static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc,
                                          u8 *prio, u8 *bwg_id, u8 *bw_pct,
                                          u8 *up_map)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	*prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type;
 	*bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id;
 	*bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent;
 	*up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap;
 }

 static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
                                           u8 *bw_pct)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	*bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id];
 }

 static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
                                     u8 setting)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
 	if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
 	    adapter->dcb_cfg.tc_config[priority].dcb_pfc)
 		adapter->dcb_set_bitmap |= BIT_PFC;
 }

 static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
                                     u8 *setting)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);

 	*setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc;
 }

 static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 	int ret;

 	if (!adapter->dcb_set_bitmap)
 		return 1;

 	while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 		msleep(1);

 	if (netif_running(netdev))
 		ixgbe_down(adapter);

 	ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
 				 adapter->ring_feature[RING_F_DCB].indices);
 	if (ret) {
 		clear_bit(__IXGBE_RESETTING, &adapter->state);
 		return ret;
 	}

 	if (netif_running(netdev))
 		ixgbe_up(adapter);

 	adapter->dcb_set_bitmap = 0x00;
 	clear_bit(__IXGBE_RESETTING, &adapter->state);
 	return ret;
 }

 struct dcbnl_rtnl_ops dcbnl_ops = {
 	.getstate	= ixgbe_dcbnl_get_state,
 	.setstate	= ixgbe_dcbnl_set_state,
 	.getpermhwaddr	= ixgbe_dcbnl_get_perm_hw_addr,
 	.setpgtccfgtx	= ixgbe_dcbnl_set_pg_tc_cfg_tx,
 	.setpgbwgcfgtx	= ixgbe_dcbnl_set_pg_bwg_cfg_tx,
 	.setpgtccfgrx	= ixgbe_dcbnl_set_pg_tc_cfg_rx,
 	.setpgbwgcfgrx	= ixgbe_dcbnl_set_pg_bwg_cfg_rx,
 	.getpgtccfgtx	= ixgbe_dcbnl_get_pg_tc_cfg_tx,
 	.getpgbwgcfgtx	= ixgbe_dcbnl_get_pg_bwg_cfg_tx,
 	.getpgtccfgrx	= ixgbe_dcbnl_get_pg_tc_cfg_rx,
 	.getpgbwgcfgrx	= ixgbe_dcbnl_get_pg_bwg_cfg_rx,
 	.setpfccfg	= ixgbe_dcbnl_set_pfc_cfg,
 	.getpfccfg	= ixgbe_dcbnl_get_pfc_cfg,
 	.setall		= ixgbe_dcbnl_set_all
 };
	/*******************************************************************************

	Intel 10 Gigabit PCI Express Linux driver
	Copyright(c) 1999 - 2008 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 <linux/dcbnl.h>

	/* Callbacks for DCB netlink in the kernel */
	#define BIT_DCB_MODE 0x01
	#define BIT_PFC 0x02
	#define BIT_PG_RX 0x04
	#define BIT_PG_TX 0x08

	int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg,
	struct ixgbe_dcb_config *dst_dcb_cfg, int tc_max)
	{
	struct tc_configuration *src_tc_cfg = NULL;
	struct tc_configuration *dst_tc_cfg = NULL;
	int i;

	if (!src_dcb_cfg \|\| !dst_dcb_cfg)
	return -EINVAL;

	for (i = DCB_PG_ATTR_TC_0; i < tc_max + DCB_PG_ATTR_TC_0; i++) {
	src_tc_cfg = &src_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];
	dst_tc_cfg = &dst_dcb_cfg->tc_config[i - DCB_PG_ATTR_TC_0];

	dst_tc_cfg->path[DCB_TX_CONFIG].prio_type =
	src_tc_cfg->path[DCB_TX_CONFIG].prio_type;

	dst_tc_cfg->path[DCB_TX_CONFIG].bwg_id =
	src_tc_cfg->path[DCB_TX_CONFIG].bwg_id;

	dst_tc_cfg->path[DCB_TX_CONFIG].bwg_percent =
	src_tc_cfg->path[DCB_TX_CONFIG].bwg_percent;

	dst_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap =
	src_tc_cfg->path[DCB_TX_CONFIG].up_to_tc_bitmap;

	dst_tc_cfg->path[DCB_RX_CONFIG].prio_type =
	src_tc_cfg->path[DCB_RX_CONFIG].prio_type;

	dst_tc_cfg->path[DCB_RX_CONFIG].bwg_id =
	src_tc_cfg->path[DCB_RX_CONFIG].bwg_id;

	dst_tc_cfg->path[DCB_RX_CONFIG].bwg_percent =
	src_tc_cfg->path[DCB_RX_CONFIG].bwg_percent;

	dst_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap =
	src_tc_cfg->path[DCB_RX_CONFIG].up_to_tc_bitmap;
	}

	for (i = DCB_PG_ATTR_BW_ID_0; i < DCB_PG_ATTR_BW_ID_MAX; i++) {
	dst_dcb_cfg->bw_percentage[DCB_TX_CONFIG]
	[i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
	[DCB_TX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
	dst_dcb_cfg->bw_percentage[DCB_RX_CONFIG]
	[i-DCB_PG_ATTR_BW_ID_0] = src_dcb_cfg->bw_percentage
	[DCB_RX_CONFIG][i-DCB_PG_ATTR_BW_ID_0];
	}

	for (i = DCB_PFC_UP_ATTR_0; i < DCB_PFC_UP_ATTR_MAX; i++) {
	dst_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc =
	src_dcb_cfg->tc_config[i - DCB_PFC_UP_ATTR_0].dcb_pfc;
	}

	return 0;
	}

	static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	DPRINTK(DRV, INFO, "Get DCB Admin Mode.\n");

	return !!(adapter->flags & IXGBE_FLAG_DCB_ENABLED);
	}

	static u16 ixgbe_dcb_select_queue(struct net_device dev, struct sk_buff skb)
	{
	/* All traffic should default to class 0 */
	return 0;
	}

	static void ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	DPRINTK(DRV, INFO, "Set DCB Admin Mode.\n");

	if (state > 0) {
	/* Turn on DCB */
	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
	return;
	} else {
	if (netif_running(netdev))
	netdev->stop(netdev);
	ixgbe_reset_interrupt_capability(adapter);
	ixgbe_napi_del_all(adapter);
	kfree(adapter->tx_ring);
	kfree(adapter->rx_ring);
	adapter->tx_ring = NULL;
	adapter->rx_ring = NULL;
	netdev->select_queue = &ixgbe_dcb_select_queue;

	adapter->flags &= ~IXGBE_FLAG_RSS_ENABLED;
	adapter->flags \|= IXGBE_FLAG_DCB_ENABLED;
	ixgbe_init_interrupt_scheme(adapter);
	ixgbe_napi_add_all(adapter);
	if (netif_running(netdev))
	netdev->open(netdev);
	}
	} else {
	/* Turn off DCB */
	if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
	if (netif_running(netdev))
	netdev->stop(netdev);
	ixgbe_reset_interrupt_capability(adapter);
	ixgbe_napi_del_all(adapter);
	kfree(adapter->tx_ring);
	kfree(adapter->rx_ring);
	adapter->tx_ring = NULL;
	adapter->rx_ring = NULL;
	netdev->select_queue = NULL;

	adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
	adapter->flags \|= IXGBE_FLAG_RSS_ENABLED;
	ixgbe_init_interrupt_scheme(adapter);
	ixgbe_napi_add_all(adapter);
	if (netif_running(netdev))
	netdev->open(netdev);
	} else {
	return;
	}
	}
	}

	static void ixgbe_dcbnl_get_perm_hw_addr(struct net_device *netdev,
	u8 *perm_addr)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	int i;

	for (i = 0; i < netdev->addr_len; i++)
	perm_addr[i] = adapter->hw.mac.perm_addr[i];
	}

	static void ixgbe_dcbnl_set_pg_tc_cfg_tx(struct net_device *netdev, int tc,
	u8 prio, u8 bwg_id, u8 bw_pct,
	u8 up_map)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	if (prio != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type = prio;
	if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id = bwg_id;
	if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent =
	bw_pct;
	if (up_map != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap =
	up_map;

	if ((adapter->temp_dcb_cfg.tc_config[tc].path[0].prio_type !=
	adapter->dcb_cfg.tc_config[tc].path[0].prio_type) \|\|
	(adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_id !=
	adapter->dcb_cfg.tc_config[tc].path[0].bwg_id) \|\|
	(adapter->temp_dcb_cfg.tc_config[tc].path[0].bwg_percent !=
	adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent) \|\|
	(adapter->temp_dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap !=
	adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap))
	adapter->dcb_set_bitmap \|= BIT_PG_TX;
	}

	static void ixgbe_dcbnl_set_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
	u8 bw_pct)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] = bw_pct;

	if (adapter->temp_dcb_cfg.bw_percentage[0][bwg_id] !=
	adapter->dcb_cfg.bw_percentage[0][bwg_id])
	adapter->dcb_set_bitmap \|= BIT_PG_RX;
	}

	static void ixgbe_dcbnl_set_pg_tc_cfg_rx(struct net_device *netdev, int tc,
	u8 prio, u8 bwg_id, u8 bw_pct,
	u8 up_map)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	if (prio != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type = prio;
	if (bwg_id != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id = bwg_id;
	if (bw_pct != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent =
	bw_pct;
	if (up_map != DCB_ATTR_VALUE_UNDEFINED)
	adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap =
	up_map;

	if ((adapter->temp_dcb_cfg.tc_config[tc].path[1].prio_type !=
	adapter->dcb_cfg.tc_config[tc].path[1].prio_type) \|\|
	(adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_id !=
	adapter->dcb_cfg.tc_config[tc].path[1].bwg_id) \|\|
	(adapter->temp_dcb_cfg.tc_config[tc].path[1].bwg_percent !=
	adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent) \|\|
	(adapter->temp_dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap !=
	adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap))
	adapter->dcb_set_bitmap \|= BIT_PG_RX;
	}

	static void ixgbe_dcbnl_set_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
	u8 bw_pct)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] = bw_pct;

	if (adapter->temp_dcb_cfg.bw_percentage[1][bwg_id] !=
	adapter->dcb_cfg.bw_percentage[1][bwg_id])
	adapter->dcb_set_bitmap \|= BIT_PG_RX;
	}

	static void ixgbe_dcbnl_get_pg_tc_cfg_tx(struct net_device *netdev, int tc,
	u8 prio, u8 bwg_id, u8 *bw_pct,
	u8 *up_map)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	*prio = adapter->dcb_cfg.tc_config[tc].path[0].prio_type;
	*bwg_id = adapter->dcb_cfg.tc_config[tc].path[0].bwg_id;
	*bw_pct = adapter->dcb_cfg.tc_config[tc].path[0].bwg_percent;
	*up_map = adapter->dcb_cfg.tc_config[tc].path[0].up_to_tc_bitmap;
	}

	static void ixgbe_dcbnl_get_pg_bwg_cfg_tx(struct net_device *netdev, int bwg_id,
	u8 *bw_pct)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	*bw_pct = adapter->dcb_cfg.bw_percentage[0][bwg_id];
	}

	static void ixgbe_dcbnl_get_pg_tc_cfg_rx(struct net_device *netdev, int tc,
	u8 prio, u8 bwg_id, u8 *bw_pct,
	u8 *up_map)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	*prio = adapter->dcb_cfg.tc_config[tc].path[1].prio_type;
	*bwg_id = adapter->dcb_cfg.tc_config[tc].path[1].bwg_id;
	*bw_pct = adapter->dcb_cfg.tc_config[tc].path[1].bwg_percent;
	*up_map = adapter->dcb_cfg.tc_config[tc].path[1].up_to_tc_bitmap;
	}

	static void ixgbe_dcbnl_get_pg_bwg_cfg_rx(struct net_device *netdev, int bwg_id,
	u8 *bw_pct)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	*bw_pct = adapter->dcb_cfg.bw_percentage[1][bwg_id];
	}

	static void ixgbe_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority,
	u8 setting)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc = setting;
	if (adapter->temp_dcb_cfg.tc_config[priority].dcb_pfc !=
	adapter->dcb_cfg.tc_config[priority].dcb_pfc)
	adapter->dcb_set_bitmap \|= BIT_PFC;
	}

	static void ixgbe_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority,
	u8 *setting)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);

	*setting = adapter->dcb_cfg.tc_config[priority].dcb_pfc;
	}

	static u8 ixgbe_dcbnl_set_all(struct net_device *netdev)
	{
	struct ixgbe_adapter *adapter = netdev_priv(netdev);
	int ret;

	if (!adapter->dcb_set_bitmap)
	return 1;

	while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
	msleep(1);

	if (netif_running(netdev))
	ixgbe_down(adapter);

	ret = ixgbe_copy_dcb_cfg(&adapter->temp_dcb_cfg, &adapter->dcb_cfg,
	adapter->ring_feature[RING_F_DCB].indices);
	if (ret) {
	clear_bit(__IXGBE_RESETTING, &adapter->state);
	return ret;
	}

	if (netif_running(netdev))
	ixgbe_up(adapter);

	adapter->dcb_set_bitmap = 0x00;
	clear_bit(__IXGBE_RESETTING, &adapter->state);
	return ret;
	}

	struct dcbnl_rtnl_ops dcbnl_ops = {
	.getstate = ixgbe_dcbnl_get_state,
	.setstate = ixgbe_dcbnl_set_state,
	.getpermhwaddr = ixgbe_dcbnl_get_perm_hw_addr,
	.setpgtccfgtx = ixgbe_dcbnl_set_pg_tc_cfg_tx,
	.setpgbwgcfgtx = ixgbe_dcbnl_set_pg_bwg_cfg_tx,
	.setpgtccfgrx = ixgbe_dcbnl_set_pg_tc_cfg_rx,
	.setpgbwgcfgrx = ixgbe_dcbnl_set_pg_bwg_cfg_rx,
	.getpgtccfgtx = ixgbe_dcbnl_get_pg_tc_cfg_tx,
	.getpgbwgcfgtx = ixgbe_dcbnl_get_pg_bwg_cfg_tx,
	.getpgtccfgrx = ixgbe_dcbnl_get_pg_tc_cfg_rx,
	.getpgbwgcfgrx = ixgbe_dcbnl_get_pg_bwg_cfg_rx,
	.setpfccfg = ixgbe_dcbnl_set_pfc_cfg,
	.getpfccfg = ixgbe_dcbnl_get_pfc_cfg,
	.setall = ixgbe_dcbnl_set_all
	};