if_ic.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/filio.h>
#include <sys/sockio.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/bus.h>
#include <sys/time.h>
#include <sys/malloc.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/if_types.h>
#include <net/netisr.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/in_var.h>
#include <netinet/ip.h>
#include <netinet/if_ether.h>
#include <net/bpf.h>
#include <dev/iicbus/iiconf.h>
#include <dev/iicbus/iicbus.h>
#include "iicbus_if.h"

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Data Structures
struct	ic_softc

Macros
#define	PCF_MASTER_ADDRESS   0xaa
#define	ICHDRLEN   sizeof(u_int32_t)
#define	ICMTU   1500 /* default mtu */
#define	IC_SENDING   0x0001
#define	IC_OBUF_BUSY   0x0002
#define	IC_IFBUF_BUSY   0x0004
#define	IC_BUFFERS_BUSY   (IC_OBUF_BUSY | IC_IFBUF_BUSY)
#define	IC_BUFFER_WAITER   0x0004

Functions
	__FBSDID ("$FreeBSD$")
static int	icprobe (device_t)
static int	icattach (device_t)
static int	icioctl (struct ifnet *, u_long, caddr_t)
static int	icoutput (struct ifnet *, struct mbuf *, const struct sockaddr *, struct route *)
static int	icintr (device_t, int, char *)
static void	ic_alloc_buffers (struct ic_softc *sc, int mtu)
	DRIVER_MODULE (ic, iicbus, ic_driver, ic_devclass, 0, 0)
	MODULE_DEPEND (ic, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER)
	MODULE_VERSION (ic, 1)

Variables
static devclass_t	ic_devclass
static device_method_t	ic_methods []
static driver_t	ic_driver

Macro Definition Documentation

IC_BUFFER_WAITER

#define IC_BUFFER_WAITER   0x0004

Definition at line 97 of file if_ic.c.

IC_BUFFERS_BUSY

#define IC_BUFFERS_BUSY   (IC_OBUF_BUSY | IC_IFBUF_BUSY)

Definition at line 96 of file if_ic.c.

IC_IFBUF_BUSY

#define IC_IFBUF_BUSY   0x0004

Definition at line 95 of file if_ic.c.

IC_OBUF_BUSY

#define IC_OBUF_BUSY   0x0002

Definition at line 94 of file if_ic.c.

IC_SENDING

#define IC_SENDING   0x0001

Definition at line 93 of file if_ic.c.

ICHDRLEN

#define ICHDRLEN   sizeof(u_int32_t)

Definition at line 71 of file if_ic.c.

ICMTU

#define ICMTU   1500 /* default mtu */

Definition at line 72 of file if_ic.c.

PCF_MASTER_ADDRESS

#define PCF_MASTER_ADDRESS   0xaa

Definition at line 69 of file if_ic.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DRIVER_MODULE()

DRIVER_MODULE	(	ic	,
		iicbus	,
		ic_driver	,
		ic_devclass	,
		0	,
		0
	)

ic_alloc_buffers()

static void ic_alloc_buffers ( struct ic_softc *  sc, int  mtu  )

static

Definition at line 128 of file if_ic.c.

References IC_BUFFER_WAITER, IC_BUFFERS_BUSY, ic_softc::ic_flags, ic_softc::ic_ifbuf, ic_softc::ic_ifp, ic_softc::ic_lock, ic_softc::ic_obuf, and ICHDRLEN.

Referenced by icattach(), and icioctl().

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icattach()

static int icattach ( device_t  dev )

static

Definition at line 163 of file if_ic.c.

References dev, ic_softc::ic_addr, ic_alloc_buffers(), ic_softc::ic_dev, ic_softc::ic_ifp, ic_softc::ic_lock, ICHDRLEN, icioctl(), ICMTU, icoutput(), and PCF_MASTER_ADDRESS.

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icintr()

static int icintr ( device_t  dev, int  event, char *  ptr  )

static

Definition at line 275 of file if_ic.c.

References dev, event, IC_BUFFER_WAITER, IC_BUFFERS_BUSY, ic_softc::ic_cp, ic_softc::ic_flags, ic_softc::ic_ifbuf, IC_IFBUF_BUSY, ic_softc::ic_iferrs, ic_softc::ic_ifp, ic_softc::ic_lock, ic_softc::ic_xfercnt, ICHDRLEN, INTR_ERROR, INTR_GENERAL, INTR_NOACK, INTR_RECEIVE, INTR_START, INTR_STOP, INTR_TRANSMIT, and len.

icioctl()

static int icioctl ( struct ifnet *  ifp, u_long  cmd, caddr_t  data  )

static

Definition at line 199 of file if_ic.c.

References data, ic_alloc_buffers(), ic_softc::ic_dev, ic_softc::ic_ifp, ic_softc::ic_lock, IIC_FASTEST, IIC_INTR, IIC_WAIT, iicbus_release_bus(), iicbus_request_bus(), and iicbus_reset.

Referenced by icattach().

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icoutput()

static int icoutput ( struct ifnet *  ifp, struct mbuf *  m, const struct sockaddr *  dst, struct route *  ro  )

static

Definition at line 360 of file if_ic.c.

References ic_softc::ic_addr, IC_BUFFER_WAITER, IC_BUFFERS_BUSY, ic_softc::ic_dev, ic_softc::ic_flags, ic_softc::ic_ifp, ic_softc::ic_lock, ic_softc::ic_obuf, IC_OBUF_BUSY, IC_SENDING, ICHDRLEN, iicbus_block_write(), and len.

Referenced by icattach().

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icprobe()

static int icprobe ( device_t  dev )

static

Definition at line 154 of file if_ic.c.

MODULE_DEPEND()

MODULE_DEPEND	(	ic	,
		iicbus	,
		IICBUS_MINVER	,
		IICBUS_PREFVER	,
		IICBUS_MAXVER
	)

MODULE_VERSION()

MODULE_VERSION	(	ic	,
		1
	)

Variable Documentation

ic_devclass

devclass_t ic_devclass

static

Definition at line 99 of file if_ic.c.

ic_driver

driver_t ic_driver

static

Initial value:

= {
        "ic",
        ic_methods,
        sizeof(struct ic_softc),
}

Definition at line 121 of file if_ic.c.

ic_methods

device_method_t ic_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         icprobe),
        DEVMETHOD(device_attach,        icattach),
 
        
        DEVMETHOD(iicbus_intr,          icintr),
 
        { 0, 0 }
}

Definition at line 110 of file if_ic.c.