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

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 *

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 *  $Id$

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 *

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

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#ifndef _EC_DEVICE_H_

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#define _EC_DEVICE_H_

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#include <linux/interrupt.h>

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#include "../include/ecrt.h"

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#include "../devices/ecdev.h"

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#include "globals.h"

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

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/**

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   EtherCAT device.

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   An EtherCAT device is a network interface card, that is owned by an

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   EtherCAT master to send and receive EtherCAT frames with.

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*/

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struct ec_device

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{

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    ec_master_t *master; /**< EtherCAT master */

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    struct net_device *dev; /**< pointer to the assigned net_device */

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    uint8_t open; /**< true, if the net_device has been opened */

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    struct sk_buff *tx_skb; /**< transmit socket buffer */

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    ec_isr_t isr; /**< pointer to the device's interrupt service routine */

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    struct module *module; /**< pointer to the device's owning module */

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    uint8_t link_state; /**< device link state */

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};

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

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int ec_device_init(ec_device_t *, ec_master_t *, struct net_device *,

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                   ec_isr_t, struct module *);

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void ec_device_clear(ec_device_t *);

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int ec_device_open(ec_device_t *);

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int ec_device_close(ec_device_t *);

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void ec_device_call_isr(ec_device_t *);

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uint8_t *ec_device_tx_data(ec_device_t *);

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void ec_device_send(ec_device_t *, size_t);

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

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#endif