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

     2

     3

  Intel PRO/1000 Linux driver

     4

  Copyright(c) 1999 - 2006 Intel Corporation.

     5

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  This program is free software; you can redistribute it and/or modify it

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  under the terms and conditions of the GNU General Public License,

     8

  version 2, as published by the Free Software Foundation.

     9

    10

  This program is distributed in the hope it will be useful, but WITHOUT

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  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12

  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

    13

  more details.

    14

    15

  You should have received a copy of the GNU General Public License along with

    16

  this program; if not, write to the Free Software Foundation, Inc.,

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  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

    18

    19

  The full GNU General Public License is included in this distribution in

    20

  the file called "COPYING".

    21

    22

  Contact Information:

    23

  Linux NICS <linux.nics@intel.com>

    24

  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>

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  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497

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    27

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

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#include "e1000-2.6.22-ethercat.h"

    30

#include <net/ip6_checksum.h>

    31

    32

char e1000_driver_name[] = "ec_e1000";

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static char e1000_driver_string[] = "EtherCAT Intel(R) PRO/1000 Network Driver";

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#ifndef CONFIG_E1000_NAPI

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#define DRIVERNAPI

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#else

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#define DRIVERNAPI "-NAPI"

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#endif

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#define DRV_VERSION "7.3.20-k2"DRIVERNAPI

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char e1000_driver_version[] = DRV_VERSION;

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static char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation.";

    42

    43

/* e1000_pci_tbl - PCI Device ID Table

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 *

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 * Last entry must be all 0s

    46

 *

    47

 * Macro expands to...

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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}

    49

 */

    50

static struct pci_device_id e1000_pci_tbl[] = {

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	INTEL_E1000_ETHERNET_DEVICE(0x1000),

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	INTEL_E1000_ETHERNET_DEVICE(0x1001),

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	INTEL_E1000_ETHERNET_DEVICE(0x1004),

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	INTEL_E1000_ETHERNET_DEVICE(0x1008),

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	INTEL_E1000_ETHERNET_DEVICE(0x1009),

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	INTEL_E1000_ETHERNET_DEVICE(0x100C),

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	INTEL_E1000_ETHERNET_DEVICE(0x100D),

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	INTEL_E1000_ETHERNET_DEVICE(0x100E),

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	INTEL_E1000_ETHERNET_DEVICE(0x100F),

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	INTEL_E1000_ETHERNET_DEVICE(0x1010),

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	INTEL_E1000_ETHERNET_DEVICE(0x1011),

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	INTEL_E1000_ETHERNET_DEVICE(0x1012),

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	INTEL_E1000_ETHERNET_DEVICE(0x1013),

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	INTEL_E1000_ETHERNET_DEVICE(0x1014),

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	INTEL_E1000_ETHERNET_DEVICE(0x1015),

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	INTEL_E1000_ETHERNET_DEVICE(0x1016),

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	INTEL_E1000_ETHERNET_DEVICE(0x1017),

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	INTEL_E1000_ETHERNET_DEVICE(0x1018),

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	INTEL_E1000_ETHERNET_DEVICE(0x1019),

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	INTEL_E1000_ETHERNET_DEVICE(0x101A),

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	INTEL_E1000_ETHERNET_DEVICE(0x101D),

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	INTEL_E1000_ETHERNET_DEVICE(0x101E),

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	INTEL_E1000_ETHERNET_DEVICE(0x1026),

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	INTEL_E1000_ETHERNET_DEVICE(0x1027),

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	INTEL_E1000_ETHERNET_DEVICE(0x1028),

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	INTEL_E1000_ETHERNET_DEVICE(0x1049),

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	INTEL_E1000_ETHERNET_DEVICE(0x104A),

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	INTEL_E1000_ETHERNET_DEVICE(0x104B),

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	INTEL_E1000_ETHERNET_DEVICE(0x104C),

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	INTEL_E1000_ETHERNET_DEVICE(0x104D),

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	INTEL_E1000_ETHERNET_DEVICE(0x105E),

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	INTEL_E1000_ETHERNET_DEVICE(0x105F),

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	INTEL_E1000_ETHERNET_DEVICE(0x1060),

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	INTEL_E1000_ETHERNET_DEVICE(0x1075),

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	INTEL_E1000_ETHERNET_DEVICE(0x1076),

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	INTEL_E1000_ETHERNET_DEVICE(0x1077),

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	INTEL_E1000_ETHERNET_DEVICE(0x1078),

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	INTEL_E1000_ETHERNET_DEVICE(0x1079),

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	INTEL_E1000_ETHERNET_DEVICE(0x107A),

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	INTEL_E1000_ETHERNET_DEVICE(0x107B),

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	INTEL_E1000_ETHERNET_DEVICE(0x107C),

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	INTEL_E1000_ETHERNET_DEVICE(0x107D),

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	INTEL_E1000_ETHERNET_DEVICE(0x107E),

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	INTEL_E1000_ETHERNET_DEVICE(0x107F),

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	INTEL_E1000_ETHERNET_DEVICE(0x108A),

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	INTEL_E1000_ETHERNET_DEVICE(0x108B),

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	INTEL_E1000_ETHERNET_DEVICE(0x108C),

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	INTEL_E1000_ETHERNET_DEVICE(0x1096),

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	INTEL_E1000_ETHERNET_DEVICE(0x1098),

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	INTEL_E1000_ETHERNET_DEVICE(0x1099),

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	INTEL_E1000_ETHERNET_DEVICE(0x109A),

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	INTEL_E1000_ETHERNET_DEVICE(0x10A4),

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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),

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	INTEL_E1000_ETHERNET_DEVICE(0x10B9),

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	INTEL_E1000_ETHERNET_DEVICE(0x10BA),

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	INTEL_E1000_ETHERNET_DEVICE(0x10BB),

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	INTEL_E1000_ETHERNET_DEVICE(0x10BC),

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	INTEL_E1000_ETHERNET_DEVICE(0x10C4),

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	INTEL_E1000_ETHERNET_DEVICE(0x10C5),

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	/* required last entry */

   111

	{0,}

   112

};

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// do not auto-load driver

   115

// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);

   116

   117

int e1000_up(struct e1000_adapter *adapter);

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void e1000_down(struct e1000_adapter *adapter);

   119

void e1000_reinit_locked(struct e1000_adapter *adapter);

   120

void e1000_reset(struct e1000_adapter *adapter);

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int e1000_set_spd_dplx(struct e1000_adapter *adapter, uint16_t spddplx);

   122

int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);

   123

int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);

   124

void e1000_free_all_tx_resources(struct e1000_adapter *adapter);

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void e1000_free_all_rx_resources(struct e1000_adapter *adapter);

   126

static int e1000_setup_tx_resources(struct e1000_adapter *adapter,

   127

                             struct e1000_tx_ring *txdr);

   128

static int e1000_setup_rx_resources(struct e1000_adapter *adapter,

   129

                             struct e1000_rx_ring *rxdr);

   130

static void e1000_free_tx_resources(struct e1000_adapter *adapter,

   131

                             struct e1000_tx_ring *tx_ring);

   132

static void e1000_free_rx_resources(struct e1000_adapter *adapter,

   133

                             struct e1000_rx_ring *rx_ring);

   134

void e1000_update_stats(struct e1000_adapter *adapter);

   135

   136

static int e1000_init_module(void);

   137

static void e1000_exit_module(void);

   138

static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent);

   139

static void __devexit e1000_remove(struct pci_dev *pdev);

   140

static int e1000_alloc_queues(struct e1000_adapter *adapter);

   141

static int e1000_sw_init(struct e1000_adapter *adapter);

   142

static int e1000_open(struct net_device *netdev);

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static int e1000_close(struct net_device *netdev);

   144

static void e1000_configure_tx(struct e1000_adapter *adapter);

   145

static void e1000_configure_rx(struct e1000_adapter *adapter);

   146

static void e1000_setup_rctl(struct e1000_adapter *adapter);

   147

static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);

   148

static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);

   149

static void e1000_clean_tx_ring(struct e1000_adapter *adapter,

   150

                                struct e1000_tx_ring *tx_ring);

   151

static void e1000_clean_rx_ring(struct e1000_adapter *adapter,

   152

                                struct e1000_rx_ring *rx_ring);

   153

static void e1000_set_multi(struct net_device *netdev);

   154

static void e1000_update_phy_info(unsigned long data);

   155

static void e1000_watchdog(unsigned long data);

   156

static void e1000_82547_tx_fifo_stall(unsigned long data);

   157

static int e1000_xmit_frame(struct sk_buff *skb, struct net_device *netdev);

   158

static struct net_device_stats * e1000_get_stats(struct net_device *netdev);

   159

static int e1000_change_mtu(struct net_device *netdev, int new_mtu);

   160

static int e1000_set_mac(struct net_device *netdev, void *p);

   161

void ec_poll(struct net_device *);

   162

static irqreturn_t e1000_intr(int irq, void *data);

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static irqreturn_t e1000_intr_msi(int irq, void *data);

   164

static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,

   165

                                    struct e1000_tx_ring *tx_ring);

   166

#ifdef CONFIG_E1000_NAPI

   167

static int e1000_clean(struct net_device *poll_dev, int *budget);

   168

static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,

   169

                                    struct e1000_rx_ring *rx_ring,

   170

                                    int *work_done, int work_to_do);

   171

static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,

   172

                                       struct e1000_rx_ring *rx_ring,

   173

                                       int *work_done, int work_to_do);

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#else

   175

static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,

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                                    struct e1000_rx_ring *rx_ring);

   177

static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,

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                                       struct e1000_rx_ring *rx_ring);

   179

#endif

   180

static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,

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                                   struct e1000_rx_ring *rx_ring,

   182

				   int cleaned_count);

   183

static void e1000_alloc_rx_buffers_ps(struct e1000_adapter *adapter,

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                                      struct e1000_rx_ring *rx_ring,

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				      int cleaned_count);

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static int e1000_ioctl(struct net_device *netdev, struct ifreq *ifr, int cmd);

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static int e1000_mii_ioctl(struct net_device *netdev, struct ifreq *ifr,

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			   int cmd);

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void e1000_set_ethtool_ops(struct net_device *netdev);

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static void e1000_enter_82542_rst(struct e1000_adapter *adapter);

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static void e1000_leave_82542_rst(struct e1000_adapter *adapter);

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static void e1000_tx_timeout(struct net_device *dev);

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static void e1000_reset_task(struct work_struct *work);

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static void e1000_smartspeed(struct e1000_adapter *adapter);

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static int e1000_82547_fifo_workaround(struct e1000_adapter *adapter,

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                                       struct sk_buff *skb);

   197

   198

static void e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp);

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static void e1000_vlan_rx_add_vid(struct net_device *netdev, uint16_t vid);

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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, uint16_t vid);

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static void e1000_restore_vlan(struct e1000_adapter *adapter);

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   203

static int e1000_suspend(struct pci_dev *pdev, pm_message_t state);

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#ifdef CONFIG_PM

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static int e1000_resume(struct pci_dev *pdev);

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#endif

   207

static void e1000_shutdown(struct pci_dev *pdev);

   208

   209

#ifdef CONFIG_NET_POLL_CONTROLLER

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/* for netdump / net console */

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static void e1000_netpoll (struct net_device *netdev);

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#endif

   213

   214

extern void e1000_check_options(struct e1000_adapter *adapter);

   215

   216

#define COPYBREAK_DEFAULT 256

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static unsigned int copybreak __read_mostly = COPYBREAK_DEFAULT;

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module_param(copybreak, uint, 0644);

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MODULE_PARM_DESC(copybreak,

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	"Maximum size of packet that is copied to a new buffer on receive");

   221

   222

static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,

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                     pci_channel_state_t state);

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static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);

   225

static void e1000_io_resume(struct pci_dev *pdev);

   226

   227

static struct pci_error_handlers e1000_err_handler = {

   228

	.error_detected = e1000_io_error_detected,

   229

	.slot_reset = e1000_io_slot_reset,

   230

	.resume = e1000_io_resume,

   231

};

   232

   233

static struct pci_driver e1000_driver = {

   234

	.name     = e1000_driver_name,

   235

	.id_table = e1000_pci_tbl,

   236

	.probe    = e1000_probe,

   237

	.remove   = __devexit_p(e1000_remove),

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#ifdef CONFIG_PM

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	/* Power Managment Hooks */

   240

	.suspend  = e1000_suspend,

   241

	.resume   = e1000_resume,

   242

#endif

   243

	.shutdown = e1000_shutdown,

   244

	.err_handler = &e1000_err_handler

   245

};

   246

   247

MODULE_AUTHOR("Florian Pose <fp@igh-essen.com>");

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MODULE_DESCRIPTION("EtherCAT-capable Intel(R) PRO/1000 Network Driver");

   249

MODULE_LICENSE("GPL");

   250

MODULE_VERSION(DRV_VERSION);

   251

   252

static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;

   253

module_param(debug, int, 0);

   254

MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");

   255

   256

/**

   257

 * e1000_init_module - Driver Registration Routine

   258

 *

   259

 * e1000_init_module is the first routine called when the driver is

   260

 * loaded. All it does is register with the PCI subsystem.

   261

 **/

   262

   263

static int __init

   264

e1000_init_module(void)

   265

{

   266

	int ret;

   267

	printk(KERN_INFO "%s - version %s\n",

   268

	       e1000_driver_string, e1000_driver_version);

   269

   270

	printk(KERN_INFO "%s\n", e1000_copyright);

   271

   272

	ret = pci_register_driver(&e1000_driver);

   273

	if (copybreak != COPYBREAK_DEFAULT) {

   274

		if (copybreak == 0)

   275

			printk(KERN_INFO "e1000: copybreak disabled\n");

   276

		else

   277

			printk(KERN_INFO "e1000: copybreak enabled for "

   278

			       "packets <= %u bytes\n", copybreak);

   279

	}

   280

	return ret;

   281

}

   282

   283

module_init(e1000_init_module);

   284

   285

/**

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 * e1000_exit_module - Driver Exit Cleanup Routine

   287

 *

   288

 * e1000_exit_module is called just before the driver is removed

   289

 * from memory.

   290

 **/

   291

   292

static void __exit

   293

e1000_exit_module(void)

   294

{

   295

	pci_unregister_driver(&e1000_driver);

   296

}

   297

   298

module_exit(e1000_exit_module);

   299

   300

static int e1000_request_irq(struct e1000_adapter *adapter)

   301

{

   302

	struct net_device *netdev = adapter->netdev;

   303

	void (*handler) = &e1000_intr;

   304

	int irq_flags = IRQF_SHARED;

   305

	int err;

   306

   307

	if (adapter->ecdev)

   308

		return 0;

   309

   310

	if (adapter->hw.mac_type >= e1000_82571) {

   311

		adapter->have_msi = !pci_enable_msi(adapter->pdev);

   312

		if (adapter->have_msi) {

   313

			handler = &e1000_intr_msi;

   314

			irq_flags = 0;

   315

		}

   316

	}

   317

   318

	err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name,

   319

	                  netdev);

   320

	if (err) {

   321

		if (adapter->have_msi)

   322

			pci_disable_msi(adapter->pdev);

   323

		DPRINTK(PROBE, ERR,

   324

		        "Unable to allocate interrupt Error: %d\n", err);

   325

	}

   326

   327

	return err;

   328

}

   329

   330

static void e1000_free_irq(struct e1000_adapter *adapter)

   331

{

   332

	struct net_device *netdev = adapter->netdev;

   333

   334

	if (adapter->ecdev)

   335

		return;

   336

   337

	free_irq(adapter->pdev->irq, netdev);

   338

   339

	if (adapter->have_msi)

   340

		pci_disable_msi(adapter->pdev);

   341

}

   342

   343

/**

   344

 * e1000_irq_disable - Mask off interrupt generation on the NIC

   345

 * @adapter: board private structure

   346

 **/

   347

   348

static void

   349

e1000_irq_disable(struct e1000_adapter *adapter)

   350

{

   351

    if (adapter->ecdev)

   352

        return;

   353

   354

	atomic_inc(&adapter->irq_sem);

   355

	E1000_WRITE_REG(&adapter->hw, IMC, ~0);

   356

	E1000_WRITE_FLUSH(&adapter->hw);

   357

	synchronize_irq(adapter->pdev->irq);

   358

}

   359

   360

/**

   361

 * e1000_irq_enable - Enable default interrupt generation settings

   362

 * @adapter: board private structure

   363

 **/

   364

   365

static void

   366

e1000_irq_enable(struct e1000_adapter *adapter)

   367

{

   368

    if (adapter->ecdev)

   369

        return;

   370

   371

	if (likely(atomic_dec_and_test(&adapter->irq_sem))) {

   372

		E1000_WRITE_REG(&adapter->hw, IMS, IMS_ENABLE_MASK);

   373

		E1000_WRITE_FLUSH(&adapter->hw);

   374

	}

   375

}

   376

   377

static void

   378

e1000_update_mng_vlan(struct e1000_adapter *adapter)

   379

{

   380

	struct net_device *netdev = adapter->netdev;

   381

	uint16_t vid = adapter->hw.mng_cookie.vlan_id;

   382

	uint16_t old_vid = adapter->mng_vlan_id;

   383

	if (adapter->vlgrp) {

   384

		if (!vlan_group_get_device(adapter->vlgrp, vid)) {

   385

			if (adapter->hw.mng_cookie.status &

   386

				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {

   387

				e1000_vlan_rx_add_vid(netdev, vid);

   388

				adapter->mng_vlan_id = vid;

   389

			} else

   390

				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;

   391

   392

			if ((old_vid != (uint16_t)E1000_MNG_VLAN_NONE) &&

   393

					(vid != old_vid) &&

   394

			    !vlan_group_get_device(adapter->vlgrp, old_vid))

   395

				e1000_vlan_rx_kill_vid(netdev, old_vid);

   396

		} else

   397

			adapter->mng_vlan_id = vid;

   398

	}

   399

}

   400

   401

/**

   402

 * e1000_release_hw_control - release control of the h/w to f/w

   403

 * @adapter: address of board private structure

   404

 *

   405

 * e1000_release_hw_control resets {CTRL_EXT|FWSM}:DRV_LOAD bit.

   406

 * For ASF and Pass Through versions of f/w this means that the

   407

 * driver is no longer loaded. For AMT version (only with 82573) i

   408

 * of the f/w this means that the network i/f is closed.

   409

 *

   410

 **/

   411

   412

static void

   413

e1000_release_hw_control(struct e1000_adapter *adapter)

   414

{

   415

	uint32_t ctrl_ext;

   416

	uint32_t swsm;

   417

   418

	/* Let firmware taken over control of h/w */

   419

	switch (adapter->hw.mac_type) {

   420

	case e1000_82573:

   421

		swsm = E1000_READ_REG(&adapter->hw, SWSM);

   422

		E1000_WRITE_REG(&adapter->hw, SWSM,

   423

				swsm & ~E1000_SWSM_DRV_LOAD);

   424

		break;

   425

	case e1000_82571:

   426

	case e1000_82572:

   427

	case e1000_80003es2lan:

   428

	case e1000_ich8lan:

   429

		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);

   430

		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,

   431

				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);

   432

		break;

   433

	default:

   434

		break;

   435

	}

   436

}

   437

   438

/**

   439

 * e1000_get_hw_control - get control of the h/w from f/w

   440

 * @adapter: address of board private structure

   441

 *

   442

 * e1000_get_hw_control sets {CTRL_EXT|FWSM}:DRV_LOAD bit.

   443

 * For ASF and Pass Through versions of f/w this means that

   444

 * the driver is loaded. For AMT version (only with 82573)

   445

 * of the f/w this means that the network i/f is open.

   446

 *

   447

 **/

   448

   449

static void

   450

e1000_get_hw_control(struct e1000_adapter *adapter)

   451

{

   452

	uint32_t ctrl_ext;

   453

	uint32_t swsm;

   454

   455

	/* Let firmware know the driver has taken over */

   456

	switch (adapter->hw.mac_type) {

   457

	case e1000_82573:

   458

		swsm = E1000_READ_REG(&adapter->hw, SWSM);

   459

		E1000_WRITE_REG(&adapter->hw, SWSM,

   460

				swsm | E1000_SWSM_DRV_LOAD);

   461

		break;

   462

	case e1000_82571:

   463

	case e1000_82572:

   464

	case e1000_80003es2lan:

   465

	case e1000_ich8lan:

   466

		ctrl_ext = E1000_READ_REG(&adapter->hw, CTRL_EXT);

   467

		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,

   468

				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);

   469

		break;

   470

	default:

   471

		break;

   472

	}

   473

}

   474

   475

static void

   476

e1000_init_manageability(struct e1000_adapter *adapter)

   477

{

   478

	if (adapter->en_mng_pt) {

   479

		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);

   480

   481

		/* disable hardware interception of ARP */

   482

		manc &= ~(E1000_MANC_ARP_EN);

   483

   484

		/* enable receiving management packets to the host */

   485

		/* this will probably generate destination unreachable messages

   486

		 * from the host OS, but the packets will be handled on SMBUS */

   487

		if (adapter->hw.has_manc2h) {

   488

			uint32_t manc2h = E1000_READ_REG(&adapter->hw, MANC2H);

   489

   490

			manc |= E1000_MANC_EN_MNG2HOST;

   491

#define E1000_MNG2HOST_PORT_623 (1 << 5)

   492

#define E1000_MNG2HOST_PORT_664 (1 << 6)

   493

			manc2h |= E1000_MNG2HOST_PORT_623;

   494

			manc2h |= E1000_MNG2HOST_PORT_664;

   495

			E1000_WRITE_REG(&adapter->hw, MANC2H, manc2h);

   496

		}

   497

   498

		E1000_WRITE_REG(&adapter->hw, MANC, manc);

   499

	}

   500

}

   501

   502

static void

   503

e1000_release_manageability(struct e1000_adapter *adapter)

   504

{

   505

	if (adapter->en_mng_pt) {

   506

		uint32_t manc = E1000_READ_REG(&adapter->hw, MANC);

   507

   508

		/* re-enable hardware interception of ARP */

   509

		manc |= E1000_MANC_ARP_EN;

   510

   511

		if (adapter->hw.has_manc2h)

   512

			manc &= ~E1000_MANC_EN_MNG2HOST;

   513

   514

		/* don't explicitly have to mess with MANC2H since

   515

		 * MANC has an enable disable that gates MANC2H */

   516

   517

		E1000_WRITE_REG(&adapter->hw, MANC, manc);

   518

	}

   519

}

   520

   521

/**

   522

 * e1000_configure - configure the hardware for RX and TX

   523

 * @adapter = private board structure

   524

 **/

   525

static void e1000_configure(struct e1000_adapter *adapter)

   526

{

   527

	struct net_device *netdev = adapter->netdev;