debug.c File Reference

Ethernet interface for debugging purposes. More...

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Functions
int	ec_dbgdev_open (struct net_device *dev)
	Opens the virtual network device.
int	ec_dbgdev_stop (struct net_device *dev)
	Stops the virtual network device.
int	ec_dbgdev_tx (struct sk_buff *skb, struct net_device *dev)
	Transmits data via the virtual network device.
struct net_device_stats *	ec_dbgdev_stats (struct net_device *dev)
	Gets statistics about the virtual network device.
int	ec_debug_init (ec_debug_t *dbg, ec_device_t *device, const char *name)
	Debug interface constructor.
void	ec_debug_clear (ec_debug_t *dbg)
	Debug interface destructor.
void	ec_debug_register (ec_debug_t *dbg, const struct net_device *net_dev)
	Register debug interface.
void	ec_debug_unregister (ec_debug_t *dbg)
	Unregister debug interface.
void	ec_debug_send (ec_debug_t *dbg, const uint8_t *data, size_t size)
	Sends frame data to the interface.

Variables
static const struct net_device_ops	ec_dbg_netdev_ops
	Device operations for debug interfaces.

Detailed Description

Ethernet interface for debugging purposes.

Definition in file debug.c.

Function Documentation

ec_dbgdev_open()

int ec_dbgdev_open

(

struct net_device *

dev

)

Opens the virtual network device.

Returns

Always zero (success).

Parameters

dev	debug net_device

Definition at line 215 of file debug.c.

ec_dbgdev_stop()

int ec_dbgdev_stop

(

struct net_device *

dev

)

Stops the virtual network device.

Returns

Always zero (success).

Parameters

dev	debug net_device

Definition at line 232 of file debug.c.

ec_dbgdev_tx()

int ec_dbgdev_tx	(	struct sk_buff *	skb,
		struct net_device *	dev
	)

Transmits data via the virtual network device.

Returns

Always zero (success).

Parameters

skb	transmit socket buffer
dev	EoE net_device

Definition at line 249 of file debug.c.

ec_dbgdev_stats()

struct net_device_stats * ec_dbgdev_stats

(

struct net_device *

dev

)

Gets statistics about the virtual network device.

Returns

Statistics.

Parameters

dev	debug net_device

Definition at line 267 of file debug.c.

ec_debug_init()

int ec_debug_init	(	ec_debug_t *	dbg,
		ec_device_t *	device,
		const char *	name
	)

Debug interface constructor.

Initializes the debug object, creates a net_device and registeres it.

Return values

0	Success.
<0	Error code.

Parameters

dbg	Debug object.
device	EtherCAT device.
name	Interface name.

Definition at line 74 of file debug.c.

ec_debug_clear()

void ec_debug_clear

(

ec_debug_t *

dbg

)

Debug interface destructor.

Unregisters the net_device and frees allocated memory.

Parameters

dbg	debug object

Definition at line 120 of file debug.c.

ec_debug_register()

void ec_debug_register	(	ec_debug_t *	dbg,
		const struct net_device *	net_dev
	)

Register debug interface.

Parameters

dbg	debug object
net_dev	'Real' Ethernet device.

Definition at line 132 of file debug.c.

ec_debug_unregister()

void ec_debug_unregister

(

ec_debug_t *

dbg

)

Unregister debug interface.

Parameters

dbg	debug object

Definition at line 161 of file debug.c.

ec_debug_send()

void ec_debug_send	(	ec_debug_t *	dbg,
		const uint8_t *	data,
		size_t	size
	)

Sends frame data to the interface.

Parameters

dbg	debug object
data	frame data
size	size of the frame data

Definition at line 176 of file debug.c.

Variable Documentation

ec_dbg_netdev_ops

const struct net_device_ops ec_dbg_netdev_ops

static

Initial value:

=
{
    .ndo_open = ec_dbgdev_open,
    .ndo_stop = ec_dbgdev_stop,
    .ndo_start_xmit = ec_dbgdev_tx,
    .ndo_get_stats = ec_dbgdev_stats,
}

Device operations for debug interfaces.

Definition at line 56 of file debug.c.