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

     2

     3

  Intel PRO/1000 Linux driver

     4

  Copyright(c) 1999 - 2006 Intel Corporation.

     5

     6

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

     7

  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

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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:

    23

  Linux NICS <linux.nics@intel.com>

    24

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

    25

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

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    27

  vim: noexpandtab

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    29

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

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    31

#include "e1000-2.6.22-ethercat.h"

    32

#include <net/ip6_checksum.h>

    33

    34

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

    42

char e1000_driver_version[] = DRV_VERSION;

    43

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

    44

    45

/* e1000_pci_tbl - PCI Device ID Table

    46

 *

    47

 * Last entry must be all 0s

    48

 *

    49

 * Macro expands to...

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 *   {PCI_DEVICE(PCI_VENDOR_ID_INTEL, device_id)}

    51

 */

    52

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),

    80

	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 */

   113

	{0,}

   114

};

   115

   116

// do not auto-load driver

   117

// MODULE_DEVICE_TABLE(pci, e1000_pci_tbl);

   118

   119

int e1000_up(struct e1000_adapter *adapter);

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void e1000_down(struct e1000_adapter *adapter);

   121

void e1000_reinit_locked(struct e1000_adapter *adapter);

   122

void e1000_reset(struct e1000_adapter *adapter);

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

   124

int e1000_setup_all_tx_resources(struct e1000_adapter *adapter);

   125

int e1000_setup_all_rx_resources(struct e1000_adapter *adapter);

   126

void e1000_free_all_tx_resources(struct e1000_adapter *adapter);

   127

void e1000_free_all_rx_resources(struct e1000_adapter *adapter);

   128

static int e1000_setup_tx_resources(struct e1000_adapter *adapter,

   129

                             struct e1000_tx_ring *txdr);

   130

static int e1000_setup_rx_resources(struct e1000_adapter *adapter,

   131

                             struct e1000_rx_ring *rxdr);

   132

static void e1000_free_tx_resources(struct e1000_adapter *adapter,

   133

                             struct e1000_tx_ring *tx_ring);

   134

static void e1000_free_rx_resources(struct e1000_adapter *adapter,

   135

                             struct e1000_rx_ring *rx_ring);

   136

void e1000_update_stats(struct e1000_adapter *adapter);

   137

   138

static int e1000_init_module(void);

   139

static void e1000_exit_module(void);

   140

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

   141

static void __devexit e1000_remove(struct pci_dev *pdev);

   142

static int e1000_alloc_queues(struct e1000_adapter *adapter);

   143

static int e1000_sw_init(struct e1000_adapter *adapter);

   144

static int e1000_open(struct net_device *netdev);

   145

static int e1000_close(struct net_device *netdev);

   146

static void e1000_configure_tx(struct e1000_adapter *adapter);

   147

static void e1000_configure_rx(struct e1000_adapter *adapter);

   148

static void e1000_setup_rctl(struct e1000_adapter *adapter);

   149

static void e1000_clean_all_tx_rings(struct e1000_adapter *adapter);

   150

static void e1000_clean_all_rx_rings(struct e1000_adapter *adapter);

   151

static void e1000_clean_tx_ring(struct e1000_adapter *adapter,

   152

                                struct e1000_tx_ring *tx_ring);

   153

static void e1000_clean_rx_ring(struct e1000_adapter *adapter,

   154

                                struct e1000_rx_ring *rx_ring);

   155

static void e1000_set_multi(struct net_device *netdev);

   156

static void e1000_update_phy_info(unsigned long data);

   157

static void e1000_watchdog(unsigned long data);

   158

static void e1000_82547_tx_fifo_stall(unsigned long data);

   159

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

   160

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

   161

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

   162

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

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void ec_poll(struct net_device *);

   164

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

   165

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

   166

static boolean_t e1000_clean_tx_irq(struct e1000_adapter *adapter,

   167

                                    struct e1000_tx_ring *tx_ring);

   168

#ifdef CONFIG_E1000_NAPI

   169

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

   170

static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,

   171

                                    struct e1000_rx_ring *rx_ring,

   172

                                    int *work_done, int work_to_do);

   173

static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,

   174

                                       struct e1000_rx_ring *rx_ring,

   175

                                       int *work_done, int work_to_do);

   176

#else

   177

static boolean_t e1000_clean_rx_irq(struct e1000_adapter *adapter,

   178

                                    struct e1000_rx_ring *rx_ring);

   179

static boolean_t e1000_clean_rx_irq_ps(struct e1000_adapter *adapter,

   180

                                       struct e1000_rx_ring *rx_ring);

   181

#endif

   182

static void e1000_alloc_rx_buffers(struct e1000_adapter *adapter,

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                                   struct e1000_rx_ring *rx_ring,

   184

				   int cleaned_count);

   185

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);

   199

   200

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);

   202

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

   203

static void e1000_restore_vlan(struct e1000_adapter *adapter);

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   205

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

   209

static void e1000_shutdown(struct pci_dev *pdev);

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   211

#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

   215

   216

extern void e1000_check_options(struct e1000_adapter *adapter);

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   218

#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");

   223

   224

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);

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static void e1000_io_resume(struct pci_dev *pdev);

   228

   229

static struct pci_error_handlers e1000_err_handler = {

   230

	.error_detected = e1000_io_error_detected,

   231

	.slot_reset = e1000_io_slot_reset,

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	.resume = e1000_io_resume,

   233

};

   234

   235

static struct pci_driver e1000_driver = {

   236

	.name     = e1000_driver_name,

   237

	.id_table = e1000_pci_tbl,

   238

	.probe    = e1000_probe,

   239

	.remove   = __devexit_p(e1000_remove),

   240

#ifdef CONFIG_PM

   241

	/* Power Managment Hooks */

   242

	.suspend  = e1000_suspend,

   243

	.resume   = e1000_resume,

   244

#endif

   245

	.shutdown = e1000_shutdown,

   246

	.err_handler = &e1000_err_handler

   247

};

   248

   249

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

   250

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

   251

MODULE_LICENSE("GPL");

   252

MODULE_VERSION(DRV_VERSION);

   253

   254

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)");

   257

   258

/**

   259

 * e1000_init_module - Driver Registration Routine

   260

 *

   261

 * e1000_init_module is the first routine called when the driver is

   262

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

   263

 **/

   264

   265

static int __init

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e1000_init_module(void)

   267

{

   268

	int ret;

   269

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

   270

	       e1000_driver_string, e1000_driver_version);

   271

   272

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

   273

   274

	ret = pci_register_driver(&e1000_driver);

   275

	if (copybreak != COPYBREAK_DEFAULT) {

   276

		if (copybreak == 0)

   277

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

   278

		else

   279

			printk(KERN_INFO "e1000: copybreak enabled for "

   280

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

   281

	}

   282

	return ret;

   283

}

   284

   285

module_init(e1000_init_module);

   286

   287

/**

   288

 * e1000_exit_module - Driver Exit Cleanup Routine

   289

 *

   290

 * e1000_exit_module is called just before the driver is removed

   291

 * from memory.

   292

 **/

   293

   294

static void __exit

   295

e1000_exit_module(void)

   296

{

   297

	pci_unregister_driver(&e1000_driver);

   298

}

   299

   300

module_exit(e1000_exit_module);

   301

   302

static int e1000_request_irq(struct e1000_adapter *adapter)

   303

{

   304

	struct net_device *netdev = adapter->netdev;

   305

	void (*handler) = &e1000_intr;

   306

	int irq_flags = IRQF_SHARED;

   307

	int err;

   308

   309

	if (adapter->ecdev)

   310

		return 0;

   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

	if (adapter->ecdev)

   337

		return;

   338

   339

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

   340

   341

	if (adapter->have_msi)

   342

		pci_disable_msi(adapter->pdev);

   343

}

   344

   345

/**

   346

 * e1000_irq_disable - Mask off interrupt generation on the NIC

   347

 * @adapter: board private structure

   348

 **/

   349

   350

static void

   351

e1000_irq_disable(struct e1000_adapter *adapter)

   352

{

   353

    if (adapter->ecdev)

   354

        return;

   355

   356

	atomic_inc(&adapter->irq_sem);

   357

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

   358

	E1000_WRITE_FLUSH(&adapter->hw);

   359

	synchronize_irq(adapter->pdev->irq);

   360

}

   361

   362

/**

   363

 * e1000_irq_enable - Enable default interrupt generation settings

   364

 * @adapter: board private structure

   365

 **/

   366

   367

static void

   368

e1000_irq_enable(struct e1000_adapter *adapter)

   369

{

   370

    if (adapter->ecdev)

   371

        return;

   372

   373

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

   374

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

   375

		E1000_WRITE_FLUSH(&adapter->hw);

   376

	}

   377

}

   378

   379

static void

   380

e1000_update_mng_vlan(struct e1000_adapter *adapter)

   381

{

   382

	struct net_device *netdev = adapter->netdev;

   383

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

   384

	uint16_t old_vid = adapter->mng_vlan_id;

   385

	if (adapter->vlgrp) {

   386

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

   387

			if (adapter->hw.mng_cookie.status &

   388

				E1000_MNG_DHCP_COOKIE_STATUS_VLAN_SUPPORT) {

   389

				e1000_vlan_rx_add_vid(netdev, vid);

   390

				adapter->mng_vlan_id = vid;

   391

			} else

   392

				adapter->mng_vlan_id = E1000_MNG_VLAN_NONE;

   393

   394

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

   395

					(vid != old_vid) &&

   396

			    !vlan_group_get_device(adapter->vlgrp, old_vid))

   397

				e1000_vlan_rx_kill_vid(netdev, old_vid);

   398

		} else

   399

			adapter->mng_vlan_id = vid;

   400

	}

   401

}

   402

   403

/**

   404

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

   405

 * @adapter: address of board private structure

   406

 *

   407

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

   408

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

   409

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

   410

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

   411

 *

   412

 **/

   413

   414

static void

   415

e1000_release_hw_control(struct e1000_adapter *adapter)

   416

{

   417

	uint32_t ctrl_ext;

   418

	uint32_t swsm;

   419

   420

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

   421

	switch (adapter->hw.mac_type) {

   422

	case e1000_82573:

   423

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

   424

		E1000_WRITE_REG(&adapter->hw, SWSM,

   425

				swsm & ~E1000_SWSM_DRV_LOAD);

   426

		break;

   427

	case e1000_82571:

   428

	case e1000_82572:

   429

	case e1000_80003es2lan:

   430

	case e1000_ich8lan:

   431

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

   432

		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,

   433

				ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);

   434

		break;

   435

	default:

   436

		break;

   437

	}

   438

}

   439

   440

/**

   441

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

   442

 * @adapter: address of board private structure

   443

 *

   444

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

   445

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

   446

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

   447

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

   448

 *

   449

 **/

   450

   451

static void

   452

e1000_get_hw_control(struct e1000_adapter *adapter)

   453

{

   454

	uint32_t ctrl_ext;

   455

	uint32_t swsm;

   456

   457

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

   458

	switch (adapter->hw.mac_type) {

   459

	case e1000_82573:

   460

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

   461

		E1000_WRITE_REG(&adapter->hw, SWSM,

   462

				swsm | E1000_SWSM_DRV_LOAD);

   463

		break;

   464

	case e1000_82571:

   465

	case e1000_82572:

   466

	case e1000_80003es2lan:

   467

	case e1000_ich8lan:

   468

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

   469

		E1000_WRITE_REG(&adapter->hw, CTRL_EXT,

   470

				ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);

   471

		break;

   472

	default:

   473

		break;

   474

	}

   475

}

   476

   477

static void

   478

e1000_init_manageability(struct e1000_adapter *adapter)

   479

{

   480

	if (adapter->en_mng_pt) {

   481

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

   482

   483

		/* disable hardware interception of ARP */

   484

		manc &= ~(E1000_MANC_ARP_EN);

   485

   486

		/* enable receiving management packets to the host */

   487

		/* this will probably generate destination unreachable messages

   488

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

   489

		if (adapter->hw.has_manc2h) {

   490

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

   491

   492

			manc |= E1000_MANC_EN_MNG2HOST;

   493

#define E1000_MNG2HOST_PORT_623 (1 << 5)

   494

#define E1000_MNG2HOST_PORT_664 (1 << 6)

   495

			manc2h |= E1000_MNG2HOST_PORT_623;

   496

			manc2h |= E1000_MNG2HOST_PORT_664;

   497

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

   498

		}

   499

   500

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

   501

	}

   502

}

   503

   504

static void

   505

e1000_release_manageability(struct e1000_adapter *adapter)

   506

{

   507

	if (adapter->en_mng_pt) {

   508

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

   509

   510

		/* re-enable hardware interception of ARP */

   511

		manc |= E1000_MANC_ARP_EN;

   512

   513

		if (adapter->hw.has_manc2h)

   514

			manc &= ~E1000_MANC_EN_MNG2HOST;

   515

   516

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

   517

		 * MANC has an enable disable that gates MANC2H */

   518

   519

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

   520

	}

   521

}

   522

   523

/**

   524

 * e1000_configure - configure the hardware for RX and TX

   525

 * @adapter = private board structure

   526

 **/

   527