#include <sys/param.h>
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/queue.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/linker_set.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usb_cdc.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbhid.h>
#include "usb_if.h"
#include <dev/usb/usb_debug.h>
#include <dev/usb/gadget/g_modem.h>

Include dependency graph for g_modem.c:

Data Structures
struct	g_modem_softc

Macros
#define	USB_DEBUG_VAR g_modem_debug

Enumerations
enum	{ G_MODEM_INTR_DT , G_MODEM_BULK_RD , G_MODEM_BULK_WR , G_MODEM_N_TRANSFER }

Functions
	__FBSDID ("$FreeBSD$")

static	SYSCTL_NODE (_hw_usb, OID_AUTO, g_modem, CTLFLAG_RW\|CTLFLAG_MPSAFE, 0, "USB modem gadget")

	SYSCTL_INT (_hw_usb_g_modem, OID_AUTO, mode, CTLFLAG_RWTUN, &g_modem_mode, 0, "Mode selection")

	SYSCTL_INT (_hw_usb_g_modem, OID_AUTO, pattern_interval, CTLFLAG_RWTUN, &g_modem_pattern_interval, 0, "Pattern interval in milliseconds")

	SYSCTL_STRING (_hw_usb_g_modem, OID_AUTO, pattern, CTLFLAG_RW, &g_modem_pattern_data, sizeof(g_modem_pattern_data), "Data pattern")

	SYSCTL_INT (_hw_usb_g_modem, OID_AUTO, throughput, CTLFLAG_RD, &g_modem_throughput, sizeof(g_modem_throughput), "Throughput in bytes per second")

static void	g_modem_timeout (void *arg)

	DRIVER_MODULE (g_modem, uhub, g_modem_driver, g_modem_devclass, 0, 0)

	MODULE_DEPEND (g_modem, usb, 1, 1, 1)

static void	g_modem_timeout_reset (struct g_modem_softc *sc)

static void	g_modem_watchdog (void *arg)

static void	g_modem_watchdog_reset (struct g_modem_softc *sc)

static int	g_modem_probe (device_t dev)

static int	g_modem_attach (device_t dev)

static int	g_modem_detach (device_t dev)

static void	g_modem_intr_callback (struct usb_xfer *xfer, usb_error_t error)

static void	g_modem_bulk_write_callback (struct usb_xfer *xfer, usb_error_t error)

static void	g_modem_bulk_read_callback (struct usb_xfer *xfer, usb_error_t error)

static int	g_modem_handle_request (device_t dev, const void preq, void pptr, uint16_t plen, uint16_t offset, uint8_t *pstate)

Variables
static int	g_modem_mode = 0

static int	g_modem_pattern_interval = 1000

static char	g_modem_pattern_data [G_MODEM_MAX_STRLEN]

static int	g_modem_throughput

static device_probe_t	g_modem_probe

static device_attach_t	g_modem_attach

static device_detach_t	g_modem_detach

static usb_handle_request_t	g_modem_handle_request

static usb_callback_t	g_modem_intr_callback

static usb_callback_t	g_modem_bulk_read_callback

static usb_callback_t	g_modem_bulk_write_callback

static devclass_t	g_modem_devclass

static device_method_t	g_modem_methods []

static driver_t	g_modem_driver

static const struct usb_config	g_modem_config [G_MODEM_N_TRANSFER]

Macro Definition Documentation

◆ USB_DEBUG_VAR

#define USB_DEBUG_VAR g_modem_debug

Definition at line 62 of file g_modem.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Enumerator
G_MODEM_INTR_DT
G_MODEM_BULK_RD
G_MODEM_BULK_WR
G_MODEM_N_TRANSFER

Definition at line 67 of file g_modem.c.

Function Documentation

◆ __FBSDID()

__FBSDID ( "$FreeBSD$" )

◆ DRIVER_MODULE()

DRIVER_MODULE	(	g_modem	,
		uhub	,
		g_modem_driver	,
		g_modem_devclass	,
		0	,
		0
	)

◆ g_modem_attach()

static int g_modem_attach ( device_t dev )

static

Definition at line 276 of file g_modem.c.

References usbd_lookup_info::bIfaceIndex, dev, usb_attach_arg::device, device_set_usb_desc(), DPRINTF, error, g_modem_config, g_modem_detach, G_MODEM_MODE_SILENT, G_MODEM_N_TRANSFER, g_modem_timeout_reset(), g_modem_watchdog_reset(), usb_attach_arg::info, g_modem_softc::sc_callout, g_modem_softc::sc_mode, g_modem_softc::sc_mtx, g_modem_softc::sc_watchdog, g_modem_softc::sc_xfer, usb_callout_init_mtx, usbd_errstr(), usbd_set_parent_iface(), and usbd_transfer_setup().

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◆ g_modem_bulk_read_callback()

static void g_modem_bulk_read_callback	(	struct usb_xfer *	xfer,
		usb_error_t	error
	)

static

Definition at line 454 of file g_modem.c.

References DPRINTF, error, G_MODEM_BUFSIZE, G_MODEM_BULK_WR, G_MODEM_MODE_LOOP, G_MODEM_MODE_SILENT, g_modem_softc::sc_data_buf, g_modem_softc::sc_data_len, g_modem_softc::sc_mode, g_modem_softc::sc_throughput, g_modem_softc::sc_tx_busy, g_modem_softc::sc_xfer, USB_ERR_CANCELLED, USB_GET_STATE, USB_ST_SETUP, USB_ST_TRANSFERRED, usbd_errstr(), usbd_transfer_start(), usbd_transfer_submit(), usbd_xfer_set_frame_data(), usbd_xfer_set_frames(), usbd_xfer_set_stall(), usbd_xfer_softc(), and usbd_xfer_status().

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◆ g_modem_bulk_write_callback()

static void g_modem_bulk_write_callback	(	struct usb_xfer *	xfer,
		usb_error_t	error
	)

static

Definition at line 374 of file g_modem.c.

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◆ g_modem_detach()

static int g_modem_detach ( device_t dev )

static

Definition at line 321 of file g_modem.c.

References dev, DPRINTF, G_MODEM_N_TRANSFER, g_modem_softc::sc_callout, g_modem_softc::sc_mtx, g_modem_softc::sc_watchdog, g_modem_softc::sc_xfer, usb_callout_drain, usb_callout_stop, and usbd_transfer_unsetup().

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◆ g_modem_handle_request()

static int g_modem_handle_request	(	device_t	dev,
		const void *	preq,
		void **	pptr,
		uint16_t *	plen,
		uint16_t	offset,
		uint8_t *	pstate
	)

static

Definition at line 501 of file g_modem.c.

References dev, offset, plen, pptr, pstate, req, g_modem_softc::sc_abstract_state, g_modem_softc::sc_line_coding, UCDC_SEND_BREAK, UCDC_SET_COMM_FEATURE, UCDC_SET_CONTROL_LINE_STATE, UCDC_SET_LINE_CODING, and UT_WRITE_CLASS_INTERFACE.

◆ g_modem_intr_callback()

static void g_modem_intr_callback	(	struct usb_xfer *	xfer,
		usb_error_t	error
	)

static

Definition at line 343 of file g_modem.c.

References DPRINTF, error, USB_ERR_CANCELLED, USB_GET_STATE, USB_ST_SETUP, USB_ST_TRANSFERRED, usbd_errstr(), usbd_xfer_set_stall(), and usbd_xfer_status().

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◆ g_modem_probe()

static int g_modem_probe ( device_t dev )

static

Definition at line 258 of file g_modem.c.

References usbd_lookup_info::bInterfaceClass, usbd_lookup_info::bInterfaceProtocol, usbd_lookup_info::bInterfaceSubClass, dev, usb_attach_arg::info, UICLASS_CDC, UIPROTO_CDC_AT, UISUBCLASS_ABSTRACT_CONTROL_MODEL, usb_attach_arg::usb_mode, and USB_MODE_DEVICE.

◆ g_modem_timeout()

static void g_modem_timeout ( void * arg )

static

Definition at line 214 of file g_modem.c.

References G_MODEM_BULK_RD, G_MODEM_BULK_WR, G_MODEM_INTR_DT, G_MODEM_MAX_STRLEN, g_modem_mode, g_modem_pattern_data, g_modem_timeout_reset(), g_modem_softc::sc_mode, g_modem_softc::sc_pattern, g_modem_softc::sc_pattern_len, g_modem_softc::sc_xfer, and usbd_transfer_start().

Referenced by g_modem_timeout_reset().

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◆ g_modem_timeout_reset()

static void g_modem_timeout_reset ( struct g_modem_softc * sc )

static

Definition at line 197 of file g_modem.c.

References g_modem_pattern_interval, g_modem_timeout(), g_modem_softc::sc_callout, g_modem_softc::sc_tx_interval, usb_callout_reset, and USB_MS_TO_TICKS.

Referenced by g_modem_attach(), and g_modem_timeout().

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◆ g_modem_watchdog()

static void g_modem_watchdog ( void * arg )

static

Definition at line 243 of file g_modem.c.

References g_modem_throughput, g_modem_watchdog_reset(), and g_modem_softc::sc_throughput.

Referenced by g_modem_watchdog_reset().

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◆ g_modem_watchdog_reset()

static void g_modem_watchdog_reset ( struct g_modem_softc * sc )

static

Definition at line 237 of file g_modem.c.

References g_modem_watchdog(), g_modem_softc::sc_watchdog, and usb_callout_reset.

Referenced by g_modem_attach(), and g_modem_watchdog().

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◆ MODULE_DEPEND()

MODULE_DEPEND	(	g_modem	,
		usb	,
		1	,
		1	,
		1
	)

◆ SYSCTL_INT() [1/3]

SYSCTL_INT	(	_hw_usb_g_modem	,
		OID_AUTO	,
		mode	,
		CTLFLAG_RWTUN	,
		&	g_modem_mode,
		0	,
		"Mode selection"
	)

◆ SYSCTL_INT() [2/3]

SYSCTL_INT	(	_hw_usb_g_modem	,
		OID_AUTO	,
		pattern_interval	,
		CTLFLAG_RWTUN	,
		&	g_modem_pattern_interval,
		0	,
		"Pattern interval in milliseconds"
	)

◆ SYSCTL_INT() [3/3]

SYSCTL_INT	(	_hw_usb_g_modem	,
		OID_AUTO	,
		throughput	,
		CTLFLAG_RD	,
		&	g_modem_throughput,
		sizeof(g_modem_throughput)	,
		"Throughput in bytes per second"
	)

◆ SYSCTL_NODE()

static SYSCTL_NODE	(	_hw_usb	,
		OID_AUTO	,
		g_modem	,
		CTLFLAG_RW\|	CTLFLAG_MPSAFE,
		0	,
		"USB modem gadget"
	)

static

◆ SYSCTL_STRING()

SYSCTL_STRING	(	_hw_usb_g_modem	,
		OID_AUTO	,
		pattern	,
		CTLFLAG_RW	,
		&	g_modem_pattern_data,
		sizeof(g_modem_pattern_data)	,
		"Data pattern"
	)

Variable Documentation

◆ g_modem_attach

device_attach_t g_modem_attach

static

Definition at line 126 of file g_modem.c.

◆ g_modem_bulk_read_callback

usb_callback_t g_modem_bulk_read_callback

static

Definition at line 130 of file g_modem.c.

◆ g_modem_bulk_write_callback

usb_callback_t g_modem_bulk_write_callback

static

Definition at line 131 of file g_modem.c.

◆ g_modem_config

const struct usb_config g_modem_config[G_MODEM_N_TRANSFER]

static

Definition at line 158 of file g_modem.c.

Referenced by g_modem_attach().

◆ g_modem_detach

device_detach_t g_modem_detach

static

Definition at line 127 of file g_modem.c.

Referenced by g_modem_attach().

◆ g_modem_devclass

devclass_t g_modem_devclass

static

Definition at line 135 of file g_modem.c.

◆ g_modem_driver

driver_t g_modem_driver

static

Initial value:

= {
        .name = "g_modem",
        .methods = g_modem_methods,
        .size = sizeof(struct g_modem_softc),
}

Definition at line 149 of file g_modem.c.

◆ g_modem_handle_request

usb_handle_request_t g_modem_handle_request

static

Definition at line 128 of file g_modem.c.

◆ g_modem_intr_callback

usb_callback_t g_modem_intr_callback

static

Definition at line 129 of file g_modem.c.

◆ g_modem_methods

device_method_t g_modem_methods[]

static

Initial value:

= {
        
        DEVMETHOD(usb_handle_request, g_modem_handle_request),
 
        
        DEVMETHOD(device_probe, g_modem_probe),
        DEVMETHOD(device_attach, g_modem_attach),
        DEVMETHOD(device_detach, g_modem_detach),
 
        DEVMETHOD_END
}

Definition at line 137 of file g_modem.c.

◆ g_modem_mode

int g_modem_mode = 0

static

Definition at line 105 of file g_modem.c.

Referenced by g_modem_timeout().

◆ g_modem_pattern_data

char g_modem_pattern_data[G_MODEM_MAX_STRLEN]

static

Definition at line 115 of file g_modem.c.

Referenced by g_modem_timeout().

◆ g_modem_pattern_interval

int g_modem_pattern_interval = 1000

static

Definition at line 110 of file g_modem.c.

Referenced by g_modem_timeout_reset().

◆ g_modem_probe

device_probe_t g_modem_probe

static

Definition at line 125 of file g_modem.c.

◆ g_modem_throughput

int g_modem_throughput

static

Definition at line 120 of file g_modem.c.

Referenced by g_modem_watchdog().

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ USB_DEBUG_VAR

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ __FBSDID()

◆ DRIVER_MODULE()

◆ g_modem_attach()

◆ g_modem_bulk_read_callback()

◆ g_modem_bulk_write_callback()

◆ g_modem_detach()

◆ g_modem_handle_request()

◆ g_modem_intr_callback()

◆ g_modem_probe()

◆ g_modem_timeout()

◆ g_modem_timeout_reset()

◆ g_modem_watchdog()

◆ g_modem_watchdog_reset()

◆ MODULE_DEPEND()

◆ SYSCTL_INT() [1/3]

◆ SYSCTL_INT() [2/3]

◆ SYSCTL_INT() [3/3]

◆ SYSCTL_NODE()

◆ SYSCTL_STRING()

Variable Documentation

◆ g_modem_attach

◆ g_modem_bulk_read_callback

◆ g_modem_bulk_write_callback

◆ g_modem_config

◆ g_modem_detach

◆ g_modem_devclass

◆ g_modem_driver

◆ g_modem_handle_request

◆ g_modem_intr_callback

◆ g_modem_methods

◆ g_modem_mode

◆ g_modem_pattern_data

◆ g_modem_pattern_interval

◆ g_modem_probe

◆ g_modem_throughput