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

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     3

  Intel PRO/1000 Linux driver

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  Copyright(c) 1999 - 2006 Intel Corporation.

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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

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  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

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  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

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  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

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  the file called "COPYING".

    21

    22

  Contact Information:

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

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#include "e1000.h"

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#include <net/ip6_checksum.h>

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    32

char e1000_driver_name[] = "e1000";

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static char e1000_driver_string[] = "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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const char e1000_driver_version[] = DRV_VERSION;

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static const 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

 *

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 * Macro expands to...

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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}

    49

 */

    50

#ifdef CONFIG_E1000E_ENABLED

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  #define PCIE(x) 

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#else

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  #define PCIE(x) x,

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#endif

    55

    56

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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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x1049))

    83

PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x104A))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x104B))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x104C))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x104D))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x105E))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x105F))

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PCIE(	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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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x107D))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x107E))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x107F))

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	INTEL_E1000_ETHERNET_DEVICE(0x108A),

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x108B))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x108C))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x1096))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x1098))

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	INTEL_E1000_ETHERNET_DEVICE(0x1099),

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x109A))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10A4))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10A5))

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	INTEL_E1000_ETHERNET_DEVICE(0x10B5),

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10B9))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10BA))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10BB))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10BC))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10C4))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10C5))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10D5))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10D9))

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PCIE(	INTEL_E1000_ETHERNET_DEVICE(0x10DA))

   120

	/* required last entry */

   121

	{0,}

   122

};

   123

   124

MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);

   125

   126

int e1000_up(struct e1000_adapter *adapter);

   127

void e1000_down(struct e1000_adapter *adapter);

   128

void e1000_reinit_locked(struct e1000_adapter *adapter);

   129

void e1000_reset(struct e1000_adapter *adapter);

   130

int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx);

   131

int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);

   132

int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);

   133

void e1000_free_all_tx_resources(struct e1000_adapter *adapter);

   134

void e1000_free_all_rx_resources(struct e1000_adapter *adapter);

   135

static int e1000_setup_tx_resources(struct e1000_adapter *adapter,

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                             struct e1000_tx_ring *txdr);

   137

static int e1000_setup_rx_resources(struct e1000_adapter *adapter,

   138

                             struct e1000_rx_ring *rxdr);

   139

static void e1000_free_tx_resources(struct e1000_adapter *adapter,

   140

                             struct e1000_tx_ring *tx_ring);

   141

static void e1000_free_rx_resources(struct e1000_adapter *adapter,

   142

                             struct e1000_rx_ring *rx_ring);

   143

void e1000_update_stats(struct e1000_adapter *adapter);

   144

   145

static int e1000_init_module(void);

   146

static void e1000_exit_module(void);

   147

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

   148

static void __devexit e1000_remove(struct pci_dev *pdev);

   149

static int e1000_alloc_queues(struct e1000_adapter *adapter);

   150

static int e1000_sw_init(struct e1000_adapter *adapter);

   151

static int e1000_open(struct net_device *netdev);

   152

static int e1000_close(struct net_device *netdev);

   153

static void e1000_configure_tx(struct e1000_adapter *adapter);

   154

static void e1000_configure_rx(struct e1000_adapter *adapter);

   155

static void e1000_setup_rctl(struct e1000_adapter *adapter);

   156

static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);

   157

static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);

   158

static void e1000_clean_tx_ring(struct e1000_adapter *adapter,

   159

                                struct e1000_tx_ring *tx_ring);

   160

static void e1000_clean_rx_ring(struct e1000_adapter *adapter,

   161

                                struct e1000_rx_ring *rx_ring);

   162

static void e1000_set_rx_mode(struct net_device *netdev);

   163

static void e1000_update_phy_info(unsigned long data);

   164

static void e1000_watchdog(unsigned long data);

   165

static void e1000_82547_tx_fifo_stall(unsigned long data);

   166

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

   167

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

   168

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

   169

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

   170

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

   171

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

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static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,

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			       struct e1000_tx_ring *tx_ring);

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#ifdef CONFIG_E1000_NAPI

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static int e1000_clean(struct napi_struct *napi, int budget);

   176

static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,

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			       struct e1000_rx_ring *rx_ring,

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			       int *work_done, int work_to_do);

   179

static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,

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				  struct e1000_rx_ring *rx_ring,

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				  int *work_done, int work_to_do);

   182

#else

   183

static bool e1000_clean_rx_irq(struct e1000_adapter *adapter,

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			       struct e1000_rx_ring *rx_ring);

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static bool e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,

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				  struct e1000_rx_ring *rx_ring);

   187

#endif

   188

static void e1000_alloc_rx_buffers(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 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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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);

   204

   205

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, u16 vid);

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static void e1000_vlan_rx_kill_vid(struct net_device *netdev, u16 vid);

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static void e1000_restore_vlan(struct e1000_adapter *adapter);

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   210

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

   214

static void e1000_shutdown(struct pci_dev *pdev);

   215

   216

#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

   220

   221

#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");

   226

   227

static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,

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                     pci_channel_state_t state);

   229

static pci_ers_result_t e1000_io_slot_reset(struct pci_dev *pdev);

   230

static void e1000_io_resume(struct pci_dev *pdev);

   231

   232

static struct pci_error_handlers e1000_err_handler = {

   233

	.error_detected = e1000_io_error_detected,

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	.slot_reset = e1000_io_slot_reset,

   235

	.resume = e1000_io_resume,

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};

   237

   238

static struct pci_driver e1000_driver = {

   239

	.name     = e1000_driver_name,

   240

	.id_table = e1000_pci_tbl,

   241

	.probe    = e1000_probe,

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	.remove   = __devexit_p(e1000_remove),

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#ifdef CONFIG_PM

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	/* Power Managment Hooks */

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	.suspend  = e1000_suspend,

   246

	.resume   = e1000_resume,

   247

#endif

   248

	.shutdown = e1000_shutdown,

   249

	.err_handler = &e1000_err_handler

   250

};

   251

   252

MODULE_AUTHOR("Intel Corporation, <linux.nics@intel.com>");

   253

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

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MODULE_LICENSE("GPL");

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MODULE_VERSION(DRV_VERSION);

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   257

static int debug = NETIF_MSG_DRV | NETIF_MSG_PROBE;

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module_param(debug, int, 0);

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

   260

   261

/**

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 * e1000_init_module - Driver Registration Routine

   263

 *

   264

 * e1000_init_module is the first routine called when the driver is

   265

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

   266

 **/

   267

   268

static int __init

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e1000_init_module(void)

   270

{

   271

	int ret;

   272

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

   273

	       e1000_driver_string, e1000_driver_version);

   274

   275

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

   276

   277

	ret = pci_register_driver(&e1000_driver);

   278

	if (copybreak != COPYBREAK_DEFAULT) {

   279

		if (copybreak == 0)

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

   281

		else

   282

			printk(KERN_INFO "e1000: copybreak enabled for "

   283

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

   284

	}

   285

	return ret;

   286

}

   287

   288

module_init(e1000_init_module);

   289

   290

/**

   291

 * e1000_exit_module - Driver Exit Cleanup Routine

   292

 *

   293

 * e1000_exit_module is called just before the driver is removed

   294

 * from memory.

   295

 **/

   296

   297

static void __exit

   298

e1000_exit_module(void)

   299

{

   300

	pci_unregister_driver(&e1000_driver);

   301

}

   302

   303

module_exit(e1000_exit_module);

   304

   305

static int e1000_request_irq(struct e1000_adapter *adapter)

   306

{

   307

	struct net_device *netdev = adapter->netdev;

   308

	irq_handler_t handler = e1000_intr;

   309

	int irq_flags = IRQF_SHARED;

   310

	int err;

   311

   312

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

   313

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

   314

		if (adapter->have_msi) {

   315

			handler = e1000_intr_msi;

   316

			irq_flags = 0;

   317

		}

   318

	}

   319

   320

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

   321

	                  netdev);

   322

	if (err) {

   323

		if (adapter->have_msi)

   324

			pci_disable_msi(adapter->pdev);

   325

		DPRINTK(PROBE, ERR,

   326

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

   327

	}

   328

   329

	return err;

   330

}

   331

   332

static void e1000_free_irq(struct e1000_adapter *adapter)

   333

{

   334

	struct net_device *netdev = adapter->netdev;

   335

   336

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

   337

   338

	if (adapter->have_msi)

   339

		pci_disable_msi(adapter->pdev);

   340

}

   341

   342

/**

   343

 * e1000_irq_disable - Mask off interrupt generation on the NIC

   344

 * @adapter: board private structure

   345

 **/

   346

   347

static void

   348

e1000_irq_disable(struct e1000_adapter *adapter)

   349

{

   350

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

   351

	E1000_WRITE_FLUSH(&adapter->hw);

   352

	synchronize_irq(adapter->pdev->irq);

   353

}

   354

   355

/**

   356

 * e1000_irq_enable - Enable default interrupt generation settings

   357

 * @adapter: board private structure

   358

 **/

   359

   360

static void

   361

e1000_irq_enable(struct e1000_adapter *adapter)

   362

{

   363

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

   364

	E1000_WRITE_FLUSH(&adapter->hw);

   365

}

   366

   367

static void

   368

e1000_update_mng_vlan(struct e1000_adapter *adapter)

   369

{

   370

	struct net_device *netdev = adapter->netdev;

   371

	u16 vid = adapter->hw.mng_cookie.vlan_id;

   372

	u16 old_vid = adapter->mng_vlan_id;

   373

	if (adapter->vlgrp) {

   374

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

   375

			if (adapter->hw.mng_cookie.status &

   376

				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {

   377

				e1000_vlan_rx_add_vid(netdev, vid);

   378

				adapter->mng_vlan_id = vid;

   379

			} else

   380

				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;

   381

   382

			if ((old_vid != (u16)E1000_MNG_VLAN_NONE) &&

   383

					(vid != old_vid) &&

   384

			    !vlan_group_get_device(adapter->vlgrp, old_vid))

   385

				e1000_vlan_rx_kill_vid(netdev, old_vid);

   386

		} else

   387

			adapter->mng_vlan_id = vid;

   388

	}

   389

}

   390

   391

/**

   392

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

   393

 * @adapter: address of board private structure

   394

 *

   395

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

   396

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

   397

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

   398

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

   399

 *

   400

 **/

   401

   402

static void

   403

e1000_release_hw_control(struct e1000_adapter *adapter)

   404

{

   405

	u32 ctrl_ext;

   406

	u32 swsm;

   407

   408

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

   409

	switch (adapter->hw.mac_type) {

   410

	case e1000_82573:

   411

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

   412

		E1000_WRITE_REG(&adapter->hw, SWSM,

   413

				swsm & ~E1000_SWSM_DRV_LOAD);

   414

		break;

   415

	case e1000_82571:

   416

	case e1000_82572:

   417

	case e1000_80003es2lan:

   418

	case e1000_ich8lan:

   419

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

   420

		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,

   421

				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);

   422

		break;

   423

	default:

   424

		break;

   425

	}

   426

}

   427

   428

/**

   429

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

   430

 * @adapter: address of board private structure

   431

 *

   432

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

   433

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

   434

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

   435

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

   436

 *

   437

 **/

   438

   439

static void

   440

e1000_get_hw_control(struct e1000_adapter *adapter)

   441

{

   442

	u32 ctrl_ext;

   443

	u32 swsm;

   444

   445

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

   446

	switch (adapter->hw.mac_type) {

   447

	case e1000_82573:

   448

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

   449

		E1000_WRITE_REG(&adapter->hw, SWSM,

   450

				swsm | E1000_SWSM_DRV_LOAD);

   451

		break;

   452

	case e1000_82571:

   453

	case e1000_82572:

   454

	case e1000_80003es2lan:

   455

	case e1000_ich8lan:

   456

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

   457

		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,

   458

				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);

   459

		break;

   460

	default:

   461

		break;

   462

	}

   463

}

   464

   465

static void

   466

e1000_init_manageability(struct e1000_adapter *adapter)

   467

{

   468

	if (adapter->en_mng_pt) {

   469

		u32 manc = E1000_READ_REG(&adapter->hw, MANC);

   470

   471

		/* disable hardware interception of ARP */

   472

		manc &= ~(E1000_MANC_ARP_EN);

   473

   474

		/* enable receiving management packets to the host */

   475

		/* this will probably generate destination unreachable messages

   476

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

   477

		if (adapter->hw.has_manc2h) {

   478

			u32 manc2h = E1000_READ_REG(&adapter->hw, MANC2H);

   479

   480

			manc |= E1000_MANC_EN_MNG2HOST;

   481

#define E1000_MNG2HOST_PORT_623 (1 << 5)

   482

#define E1000_MNG2HOST_PORT_664 (1 << 6)

   483

			manc2h |= E1000_MNG2HOST_PORT_623;

   484

			manc2h |= E1000_MNG2HOST_PORT_664;

   485

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

   486

		}

   487

   488

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

   489

	}

   490

}

   491

   492

static void

   493

e1000_release_manageability(struct e1000_adapter *adapter)

   494

{

   495

	if (adapter->en_mng_pt) {

   496

		u32 manc = E1000_READ_REG(&adapter->hw, MANC);

   497

   498

		/* re-enable hardware interception of ARP */

   499

		manc |= E1000_MANC_ARP_EN;

   500

   501

		if (adapter->hw.has_manc2h)

   502

			manc &= ~E1000_MANC_EN_MNG2HOST;

   503

   504

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

   505

		 * MANC has an enable disable that gates MANC2H */

   506

   507

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

   508

	}

   509

}

   510

   511

/**

   512

 * e1000_configure - configure the hardware for RX and TX

   513

 * @adapter = private board structure

   514

 **/

   515

static void e1000_configure(struct e1000_adapter *adapter)

   516

{

   517

	struct net_device *netdev = adapter->netdev;

   518

	int i;

   519

   520

	e1000_set_rx_mode(netdev);

   521

   522

	e1000_restore_vlan(adapter);

   523

	e1000_init_manageability(adapter);

   524

   525

	e1000_configure_tx(adapter);

   526

	e1000_setup_rctl(adapter);

   527

	e1000_configure_rx(adapter);

   528

	/* call E1000_DESC_UNUSED which always leaves

   529

	 * at least 1 descriptor unused to make sure