NetBSD/sys/dev/mii/miivar.h
pgoyette 700e1731f0 Extract MIIVERBOSE into a kernel module. The module can be builtin
by defining 'options MIIVERBOSE' in the kernel config file (no change
from current behavior), or it can be loaded at boot time on those
architectures that support the boot loader's "load" command.
2010-05-30 17:44:07 +00:00

270 lines
8.4 KiB
C

/* $NetBSD: miivar.h,v 1.59 2010/05/30 17:44:08 pgoyette Exp $ */
/*-
* Copyright (c) 1998, 1999, 2000, 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_MII_MIIVAR_H_
#define _DEV_MII_MIIVAR_H_
#include <sys/queue.h>
#include <sys/callout.h>
#include <dev/mii/mii_verbose.h>
/*
* Media Independent Interface datat structure definitions.
*/
struct mii_softc;
/*
* Callbacks from MII layer into network interface device driver.
*/
typedef int (*mii_readreg_t)(device_t, int, int);
typedef void (*mii_writereg_t)(device_t, int, int, int);
typedef void (*mii_statchg_t)(device_t);
/*
* A network interface driver has one of these structures in its softc.
* It is the interface from the network interface driver to the MII
* layer.
*/
struct mii_data {
struct ifmedia mii_media; /* media information */
struct ifnet *mii_ifp; /* pointer back to network interface */
int mii_flags; /* misc. flags; see below */
/*
* For network interfaces with multiple PHYs, a list of all
* PHYs is required so they can all be notified when a media
* request is made.
*/
LIST_HEAD(mii_listhead, mii_softc) mii_phys;
u_int mii_instance;
/*
* PHY driver fills this in with active media status.
*/
int mii_media_status;
u_int mii_media_active;
/*
* Calls from MII layer into network interface driver.
*/
mii_readreg_t mii_readreg;
mii_writereg_t mii_writereg;
mii_statchg_t mii_statchg;
};
typedef struct mii_data mii_data_t;
/*
* Functions provided by the PHY to perform various functions.
*/
struct mii_phy_funcs {
int (*pf_service)(struct mii_softc *, struct mii_data *, int);
void (*pf_status)(struct mii_softc *);
void (*pf_reset)(struct mii_softc *);
};
/*
* Requests that can be made to the downcall.
*/
#define MII_TICK 1 /* once-per-second tick */
#define MII_MEDIACHG 2 /* user changed media; perform the switch */
#define MII_POLLSTAT 3 /* user requested media status; fill it in */
#define MII_DOWN 4 /* interface is down */
/*
* Each PHY driver's softc has one of these as the first member.
* XXX This would be better named "phy_softc", but this is the name
* XXX BSDI used, and we would like to have the same interface.
*/
struct mii_softc {
device_t mii_dev; /* generic device glue */
LIST_ENTRY(mii_softc) mii_list; /* entry on parent's PHY list */
uint32_t mii_mpd_model; /* the PHY's model (MII_MODEL())*/
uint32_t mii_mpd_rev; /* the PHY's revision (MII_REV())*/
int mii_phy; /* our MII address */
int mii_offset; /* first PHY, second PHY, etc. */
u_int mii_inst; /* instance for ifmedia */
/* Our PHY functions. */
const struct mii_phy_funcs *mii_funcs;
struct mii_data *mii_pdata; /* pointer to parent's mii_data */
int mii_flags; /* misc. flags; see below */
int mii_capabilities; /* capabilities from BMSR */
int mii_extcapabilities; /* extended capabilities */
int mii_ticks; /* MII_TICK counter */
int mii_anegticks; /* ticks before retrying aneg */
struct callout mii_nway_ch; /* NWAY callout */
u_int mii_media_active; /* last active media */
int mii_media_status; /* last active status */
};
typedef struct mii_softc mii_softc_t;
/* Default mii_anegticks values. */
#define MII_ANEGTICKS 5
#define MII_ANEGTICKS_GIGE 10
/* mii_flags */
#define MIIF_INITDONE 0x0001 /* has been initialized (mii_data) */
#define MIIF_NOISOLATE 0x0002 /* do not isolate the PHY */
#define MIIF_NOLOOP 0x0004 /* no loopback capability */
#define MIIF_DOINGAUTO 0x0008 /* doing autonegotiation (mii_softc) */
#define MIIF_AUTOTSLEEP 0x0010 /* use tsleep(), not callout() */
#define MIIF_HAVEFIBER 0x0020 /* from parent: has fiber interface */
#define MIIF_HAVE_GTCR 0x0040 /* has 100base-T2/1000base-T CR */
#define MIIF_IS_1000X 0x0080 /* is a 1000BASE-X device */
#define MIIF_DOPAUSE 0x0100 /* advertise PAUSE capability */
#define MIIF_IS_HPNA 0x0200 /* is a HomePNA device */
#define MIIF_FORCEANEG 0x0400 /* force auto-negotiation */
#define MIIF_INHERIT_MASK (MIIF_NOISOLATE|MIIF_NOLOOP|MIIF_AUTOTSLEEP)
/*
* Special `locators' passed to mii_attach(). If one of these is not
* an `any' value, we look for *that* PHY and configure it. If both
* are not `any', that is an error, and mii_attach() will panic.
*/
#define MII_OFFSET_ANY -1
#define MII_PHY_ANY -1
/*
* Used to attach a PHY to a parent.
*/
struct mii_attach_args {
struct mii_data *mii_data; /* pointer to parent data */
int mii_phyno; /* MII address */
u_int mii_id1; /* PHY ID register 1 */
u_int mii_id2; /* PHY ID register 2 */
int mii_capmask; /* capability mask from BMSR */
int mii_flags; /* flags from parent */
};
typedef struct mii_attach_args mii_attach_args_t;
/*
* Used to match a PHY.
*/
struct mii_phydesc {
u_int32_t mpd_oui; /* the PHY's OUI */
u_int32_t mpd_model; /* the PHY's model */
const char *mpd_name; /* the PHY's name */
};
/*
* An array of these structures map MII media types to BMCR/ANAR settings.
*/
struct mii_media {
int mm_bmcr; /* BMCR settings for this media */
int mm_anar; /* ANAR settings for this media */
int mm_gtcr; /* 100base-T2 or 1000base-T CR */
};
#define MII_MEDIA_NONE 0
#define MII_MEDIA_10_T 1
#define MII_MEDIA_10_T_FDX 2
#define MII_MEDIA_100_T4 3
#define MII_MEDIA_100_TX 4
#define MII_MEDIA_100_TX_FDX 5
#define MII_MEDIA_1000_X 6
#define MII_MEDIA_1000_X_FDX 7
#define MII_MEDIA_1000_T 8
#define MII_MEDIA_1000_T_FDX 9
#define MII_NMEDIA 10
#ifdef _KERNEL
#define PHY_READ(p, r) \
(*(p)->mii_pdata->mii_readreg)(device_parent((p)->mii_dev), \
(p)->mii_phy, (r))
#define PHY_WRITE(p, r, v) \
(*(p)->mii_pdata->mii_writereg)(device_parent((p)->mii_dev), \
(p)->mii_phy, (r), (v))
#define PHY_SERVICE(p, d, o) \
(*(p)->mii_funcs->pf_service)((p), (d), (o))
#define PHY_STATUS(p) \
(*(p)->mii_funcs->pf_status)((p))
#define PHY_RESET(p) \
(*(p)->mii_funcs->pf_reset)((p))
void mii_attach(device_t, struct mii_data *, int, int, int, int);
void mii_detach(struct mii_data *, int, int);
bool mii_phy_resume(device_t, const pmf_qual_t *);
int mii_mediachg(struct mii_data *);
void mii_tick(struct mii_data *);
void mii_pollstat(struct mii_data *);
void mii_down(struct mii_data *);
int mii_anar(int);
int mii_ifmedia_change(struct mii_data *);
int mii_phy_activate(device_t, enum devact);
int mii_phy_detach(device_t, int);
const struct mii_phydesc *mii_phy_match(const struct mii_attach_args *,
const struct mii_phydesc *);
void mii_phy_add_media(struct mii_softc *);
void mii_phy_delete_media(struct mii_softc *);
void mii_phy_setmedia(struct mii_softc *);
int mii_phy_auto(struct mii_softc *, int);
void mii_phy_reset(struct mii_softc *);
void mii_phy_down(struct mii_softc *);
int mii_phy_tick(struct mii_softc *);
void mii_phy_status(struct mii_softc *);
void mii_phy_update(struct mii_softc *, int);
u_int mii_phy_flowstatus(struct mii_softc *);
void ukphy_status(struct mii_softc *);
u_int mii_oui(u_int, u_int);
#define MII_OUI(id1, id2) mii_oui(id1, id2)
#define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4)
#define MII_REV(id2) ((id2) & IDR2_REV)
#endif /* _KERNEL */
#endif /* _DEV_MII_MIIVAR_H_ */