mii files from FreeBSD 8.2 with our diffs applied

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42316 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2011-06-25 11:24:56 +00:00
parent ff35fe1fdf
commit c0535fa096
3 changed files with 370 additions and 154 deletions
@@ -1,5 +1,5 @@
/* $NetBSD: mii.h,v 1.9 2001/05/31 03:07:14 thorpej Exp $ */
/*-
* Copyright (c) 1997 Manuel Bouyer. All rights reserved.
*
@@ -14,11 +14,6 @@
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Manuel Bouyer.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
@@ -31,7 +26,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/mii/mii.h,v 1.5 2005/01/06 01:42:56 imp Exp $
* $FreeBSD$
*/
#ifndef _DEV_MII_MII_H_
@@ -52,7 +47,7 @@
#define MII_COMMAND_WRITE 0x01
#define MII_COMMAND_ACK 0x02
#define MII_BMCR 0x00 /* Basic mode control register (rw) */
#define MII_BMCR 0x00 /* Basic mode control register (rw) */
#define BMCR_RESET 0x8000 /* reset */
#define BMCR_LOOP 0x4000 /* loopback */
#define BMCR_SPEED0 0x2000 /* speed selection (LSB) */
@@ -87,6 +82,8 @@
#define BMSR_JABBER 0x0002 /* Jabber detected */
#define BMSR_EXTCAP 0x0001 /* Extended capability */
#define BMSR_DEFCAPMASK 0xffffffff
/*
* Note that the EXTSTAT bit indicates that there is extended status
* info available in register 15, but 802.3 section 22.2.4.3 also
@@ -131,6 +128,10 @@
#define ANAR_10_FD 0x0040 /* local device supports 10bT FD */
#define ANAR_10 0x0020 /* local device supports 10bT */
#define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */
#define ANAR_PAUSE_NONE (0 << 10)
#define ANAR_PAUSE_SYM (1 << 10)
#define ANAR_PAUSE_ASYM (2 << 10)
#define ANAR_PAUSE_TOWARDS (3 << 10)
#define ANAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */
#define ANAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */
@@ -151,6 +152,11 @@
#define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */
#define ANLPAR_10 0x0020 /* link partner supports 10bT */
#define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */
#define ANLPAR_PAUSE_MASK (3 << 10)
#define ANLPAR_PAUSE_NONE (0 << 10)
#define ANLPAR_PAUSE_SYM (1 << 10)
#define ANLPAR_PAUSE_ASYM (2 << 10)
#define ANLPAR_PAUSE_TOWARDS (3 << 10)
#define ANLPAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */
#define ANLPAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */
@@ -16,13 +16,6 @@
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
@@ -36,7 +29,7 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD: src/sys/dev/mii/miivar.h,v 1.15.14.1 2006/06/24 06:14:24 oleg Exp $
* $FreeBSD$
*/
#ifndef _DEV_MII_MIIVAR_H_
@@ -109,7 +102,7 @@ typedef int (*mii_downcall_t)(struct mii_softc *, struct mii_data *, int);
*/
struct mii_softc {
device_t mii_dev; /* generic device glue */
LIST_ENTRY(mii_softc) mii_list; /* entry on parent's PHY list */
int mii_phy; /* our MII address */
@@ -129,15 +122,25 @@ struct mii_softc {
typedef struct mii_softc mii_softc_t;
/* 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_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_INITDONE 0x00000001 /* has been initialized (mii_data) */
#define MIIF_NOISOLATE 0x00000002 /* do not isolate the PHY */
#define MIIF_NOLOOP 0x00000004 /* no loopback capability */
#define MIIF_DOINGAUTO 0x00000008 /* doing autonegotiation (mii_softc) */
#define MIIF_AUTOTSLEEP 0x00000010 /* use tsleep(), not callout() */
#define MIIF_HAVEFIBER 0x00000020 /* from parent: has fiber interface */
#define MIIF_HAVE_GTCR 0x00000040 /* has 100base-T2/1000base-T CR */
#define MIIF_IS_1000X 0x00000080 /* is a 1000BASE-X device */
#define MIIF_DOPAUSE 0x00000100 /* advertise PAUSE capability */
#define MIIF_IS_HPNA 0x00000200 /* is a HomePNA device */
#define MIIF_FORCEANEG 0x00000400 /* force auto-negotiation */
#define MIIF_NOMANPAUSE 0x00100000 /* no manual PAUSE selection */
#define MIIF_FORCEPAUSE 0x00200000 /* force PAUSE advertisment */
#define MIIF_MACPRIV0 0x01000000 /* private to the MAC driver */
#define MIIF_MACPRIV1 0x02000000 /* private to the MAC driver */
#define MIIF_MACPRIV2 0x04000000 /* private to the MAC driver */
#define MIIF_PHYPRIV0 0x10000000 /* private to the PHY driver */
#define MIIF_PHYPRIV1 0x20000000 /* private to the PHY driver */
#define MIIF_PHYPRIV2 0x40000000 /* private to the PHY driver */
/* Default mii_anegticks values */
#define MII_ANEGTICKS 5
@@ -145,6 +148,14 @@ typedef struct mii_softc mii_softc_t;
#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 fail.
*/
#define MII_OFFSET_ANY -1
#define MII_PHY_ANY -1
/*
* Used to attach a PHY to a parent.
*/
@@ -192,6 +203,7 @@ struct mii_media {
#ifdef _KERNEL
#ifdef __HAIKU__
int __haiku_miibus_readreg(device_t dev, int phy, int reg);
int __haiku_miibus_writereg(device_t dev, int phy, int reg, int data);
void __haiku_miibus_statchg(device_t dev);
@@ -213,12 +225,26 @@ void __haiku_miibus_mediainit(device_t dev);
#define MIIBUS_MEDIAINIT(dev) \
__haiku_miibus_mediainit(dev)
#endif
#define PHY_READ(p, r) \
MIIBUS_READREG((p)->mii_dev, (p)->mii_phy, (r))
#define PHY_WRITE(p, r, v) \
MIIBUS_WRITEREG((p)->mii_dev, (p)->mii_phy, (r), (v))
enum miibus_device_ivars {
MIIBUS_IVAR_FLAGS
};
/*
* Simplified accessors for miibus
*/
#define MIIBUS_ACCESSOR(var, ivar, type) \
__BUS_ACCESSOR(miibus, var, MIIBUS, ivar, type)
MIIBUS_ACCESSOR(flags, FLAGS, int)
extern devclass_t miibus_devclass;
extern driver_t miibus_driver;
@@ -226,6 +252,8 @@ int miibus_probe(device_t);
int miibus_attach(device_t);
int miibus_detach(device_t);
int mii_attach(device_t, device_t *, struct ifnet *, ifm_change_cb_t,
ifm_stat_cb_t, int, int, int, int);
int mii_anar(int);
void mii_down(struct mii_data *);
int mii_mediachg(struct mii_data *);
@@ -235,17 +263,23 @@ int mii_phy_probe(device_t, device_t *, ifm_change_cb_t, ifm_stat_cb_t);
void mii_add_media(struct mii_softc *);
void mii_phy_add_media(struct mii_softc *);
int mii_media_from_bmcr(int);
#ifdef __HAIKU__
int mii_media_from_bmcr(int);
#endif
int mii_phy_auto(struct mii_softc *);
int mii_phy_detach(device_t dev);
void mii_phy_down(struct mii_softc *);
u_int mii_phy_flowstatus(struct mii_softc *);
void mii_phy_reset(struct mii_softc *);
void mii_phy_setmedia(struct mii_softc *sc);
void mii_phy_update(struct mii_softc *, int);
int mii_phy_tick(struct mii_softc *);
const struct mii_phydesc * mii_phy_match(const struct mii_attach_args *ma, const struct mii_phydesc *mpd);
const struct mii_phydesc * mii_phy_match(const struct mii_attach_args *ma,
const struct mii_phydesc *mpd);
const struct mii_phydesc * mii_phy_match_gen(const struct mii_attach_args *ma,
const struct mii_phydesc *mpd, size_t endlen);
int mii_phy_dev_probe(device_t dev, const struct mii_phydesc *mpd, int mrv);
void ukphy_status(struct mii_softc *);
+302 -126
View File
@@ -16,13 +16,6 @@
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
@@ -36,10 +29,15 @@
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef __HAIKU__
#include "device.h"
#define malloc(size, tag, flags) kernel_malloc(size, tag, flags)
#define free(pointer, tag) kernel_free(pointer, tag)
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/sys/dev/mii/mii.c,v 1.26.2.1 2006/03/17 20:17:43 glebius Exp $");
__FBSDID("$FreeBSD$");
/*
* MII bus layer, glues MII-capable network interface drivers to sharable
@@ -65,6 +63,9 @@ MODULE_VERSION(miibus, 1);
#include "miibus_if.h"
static int miibus_print_child(device_t dev, device_t child);
static int miibus_read_ivar(device_t dev, device_t child, int which,
uintptr_t *result);
static int miibus_child_location_str(device_t bus, device_t child, char *buf,
size_t buflen);
static int miibus_child_pnpinfo_str(device_t bus, device_t child, char *buf,
@@ -83,7 +84,8 @@ static device_method_t miibus_methods[] = {
DEVMETHOD(device_shutdown, bus_generic_shutdown),
/* bus interface */
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_print_child, miibus_print_child),
DEVMETHOD(bus_read_ivar, miibus_read_ivar),
DEVMETHOD(bus_driver_added, bus_generic_driver_added),
DEVMETHOD(bus_child_pnpinfo_str, miibus_child_pnpinfo_str),
DEVMETHOD(bus_child_location_str, miibus_child_location_str),
@@ -106,84 +108,53 @@ driver_t miibus_driver = {
sizeof(struct mii_data)
};
/*
* Helper function used by network interface drivers, attaches PHYs
* to the network interface driver parent.
*/
struct miibus_ivars {
struct ifnet *ifp;
ifm_change_cb_t ifmedia_upd;
ifm_stat_cb_t ifmedia_sts;
int mii_flags;
};
int
miibus_probe(device_t dev)
{
struct mii_attach_args ma, *args;
struct mii_data *mii;
device_t child = NULL, parent;
int bmsr, capmask = 0xFFFFFFFF;
mii = device_get_softc(dev);
parent = device_get_parent(dev);
LIST_INIT(&mii->mii_phys);
for (ma.mii_phyno = 0; ma.mii_phyno < MII_NPHY; ma.mii_phyno++) {
/*
* Check to see if there is a PHY at this address. Note,
* many braindead PHYs report 0/0 in their ID registers,
* so we test for media in the BMSR.
*/
bmsr = MIIBUS_READREG(parent, ma.mii_phyno, MII_BMSR);
if (bmsr == 0 || bmsr == 0xffff ||
(bmsr & (BMSR_EXTSTAT|BMSR_MEDIAMASK)) == 0) {
/* Assume no PHY at this address. */
continue;
}
/*
* Extract the IDs. Braindead PHYs will be handled by
* the `ukphy' driver, as we have no ID information to
* match on.
*/
ma.mii_id1 = MIIBUS_READREG(parent, ma.mii_phyno,
MII_PHYIDR1);
ma.mii_id2 = MIIBUS_READREG(parent, ma.mii_phyno,
MII_PHYIDR2);
ma.mii_data = mii;
ma.mii_capmask = capmask;
args = kernel_malloc(sizeof(struct mii_attach_args),
M_DEVBUF, M_NOWAIT);
bcopy((char *)&ma, (char *)args, sizeof(ma));
child = device_add_child(dev, NULL, -1);
device_set_ivars(child, args);
}
if (child == NULL)
return(ENXIO);
device_set_desc(dev, "MII bus");
return(0);
return (BUS_PROBE_SPECIFIC);
}
int
miibus_attach(device_t dev)
{
void **v;
ifm_change_cb_t ifmedia_upd;
ifm_stat_cb_t ifmedia_sts;
struct miibus_ivars *ivars;
struct mii_attach_args *ma;
struct mii_data *mii;
device_t *children;
int i, nchildren;
mii = device_get_softc(dev);
/*
* Note that each NIC's softc must start with an ifnet pointer.
* XXX: EVIL HACK!
*/
mii->mii_ifp = *(struct ifnet**)device_get_softc(device_get_parent(dev));
v = device_get_ivars(dev);
ifmedia_upd = v[0];
ifmedia_sts = v[1];
ifmedia_init(&mii->mii_media, IFM_IMASK, ifmedia_upd, ifmedia_sts);
bus_generic_attach(dev);
nchildren = 0;
if (device_get_children(dev, &children, &nchildren) == 0) {
for (i = 0; i < nchildren; i++) {
ma = device_get_ivars(children[i]);
ma->mii_data = mii;
}
free(children, M_TEMP);
}
if (nchildren == 0) {
device_printf(dev, "cannot get children\n");
return (ENXIO);
}
ivars = device_get_ivars(dev);
ifmedia_init(&mii->mii_media, IFM_IMASK, ivars->ifmedia_upd,
ivars->ifmedia_sts);
mii->mii_ifp = ivars->ifp;
mii->mii_ifp->if_capabilities |= IFCAP_LINKSTATE;
mii->mii_ifp->if_capenable |= IFCAP_LINKSTATE;
LIST_INIT(&mii->mii_phys);
return(0);
return (bus_generic_attach(dev));
}
int
@@ -196,26 +167,65 @@ miibus_detach(device_t dev)
ifmedia_removeall(&mii->mii_media);
mii->mii_ifp = NULL;
return(0);
}
static int
miibus_child_pnpinfo_str(device_t bus, device_t child, char *buf,
size_t buflen)
{
struct mii_attach_args *maa = device_get_ivars(child);
snprintf(buf, buflen, "oui=0x%x model=0x%x rev=0x%x",
MII_OUI(maa->mii_id1, maa->mii_id2),
MII_MODEL(maa->mii_id2), MII_REV(maa->mii_id2));
return (0);
}
static int
miibus_child_location_str(device_t bus, device_t child, char *buf,
miibus_print_child(device_t dev, device_t child)
{
struct mii_attach_args *ma;
int retval;
ma = device_get_ivars(child);
retval = bus_print_child_header(dev, child);
retval += printf(" PHY %d", ma->mii_phyno);
retval += bus_print_child_footer(dev, child);
return (retval);
}
static int
miibus_read_ivar(device_t dev, device_t child __unused, int which,
uintptr_t *result)
{
struct miibus_ivars *ivars;
/*
* NB: this uses the instance variables of the miibus rather than
* its PHY children.
*/
ivars = device_get_ivars(dev);
switch (which) {
case MIIBUS_IVAR_FLAGS:
*result = ivars->mii_flags;
break;
default:
return (ENOENT);
}
return (0);
}
static int
miibus_child_pnpinfo_str(device_t bus __unused, device_t child, char *buf,
size_t buflen)
{
struct mii_attach_args *maa = device_get_ivars(child);
snprintf(buf, buflen, "phyno=%d", maa->mii_phyno);
struct mii_attach_args *ma;
ma = device_get_ivars(child);
snprintf(buf, buflen, "oui=0x%x model=0x%x rev=0x%x",
MII_OUI(ma->mii_id1, ma->mii_id2),
MII_MODEL(ma->mii_id2), MII_REV(ma->mii_id2));
return (0);
}
static int
miibus_child_location_str(device_t bus __unused, device_t child, char *buf,
size_t buflen)
{
struct mii_attach_args *ma;
ma = device_get_ivars(child);
snprintf(buf, buflen, "phyno=%d", ma->mii_phyno);
return (0);
}
@@ -225,7 +235,7 @@ miibus_readreg(device_t dev, int phy, int reg)
device_t parent;
parent = device_get_parent(dev);
return(MIIBUS_READREG(parent, phy, reg));
return (MIIBUS_READREG(parent, phy, reg));
}
static int
@@ -234,7 +244,7 @@ miibus_writereg(device_t dev, int phy, int reg, int data)
device_t parent;
parent = device_get_parent(dev);
return(MIIBUS_WRITEREG(parent, phy, reg, data));
return (MIIBUS_WRITEREG(parent, phy, reg, data));
}
static void
@@ -255,7 +265,6 @@ miibus_statchg(device_t dev)
*/
ifp = *(struct ifnet **)device_get_softc(parent);
ifp->if_baudrate = ifmedia_baudrate(mii->mii_media_active);
return;
}
static void
@@ -277,7 +286,6 @@ miibus_linkchg(device_t dev)
link_state = LINK_STATE_DOWN;
} else
link_state = LINK_STATE_UNKNOWN;
/*
* Note that each NIC's softc must start with an ifnet pointer.
* XXX: EVIL HACK!
@@ -298,50 +306,187 @@ miibus_mediainit(device_t dev)
mii = device_get_softc(dev);
LIST_FOREACH(m, &mii->mii_media.ifm_list, ifm_list) {
media = m->ifm_media;
if (media == (IFM_ETHER|IFM_AUTO))
if (media == (IFM_ETHER | IFM_AUTO))
break;
}
ifmedia_set(&mii->mii_media, media);
}
return;
/*
* Helper function used by network interface drivers, attaches the miibus and
* the PHYs to the network interface driver parent.
*/
int
mii_attach(device_t dev, device_t *miibus, struct ifnet *ifp,
ifm_change_cb_t ifmedia_upd, ifm_stat_cb_t ifmedia_sts, int capmask,
int phyloc, int offloc, int flags)
{
struct miibus_ivars *ivars;
struct mii_attach_args ma, *args;
device_t *children, phy;
int bmsr, first, i, nchildren, offset, phymax, phymin, rv;
if (phyloc != MII_PHY_ANY && offloc != MII_OFFSET_ANY) {
printf("%s: phyloc and offloc specified\n", __func__);
return (EINVAL);
}
if (offloc != MII_OFFSET_ANY && (offloc < 0 || offloc >= MII_NPHY)) {
printf("%s: ivalid offloc %d\n", __func__, offloc);
return (EINVAL);
}
if (phyloc == MII_PHY_ANY) {
phymin = 0;
phymax = MII_NPHY - 1;
} else {
if (phyloc < 0 || phyloc >= MII_NPHY) {
printf("%s: ivalid phyloc %d\n", __func__, phyloc);
return (EINVAL);
}
phymin = phymax = phyloc;
}
first = 0;
if (*miibus == NULL) {
first = 1;
ivars = malloc(sizeof(*ivars), M_DEVBUF, M_NOWAIT);
if (ivars == NULL)
return (ENOMEM);
ivars->ifp = ifp;
ivars->ifmedia_upd = ifmedia_upd;
ivars->ifmedia_sts = ifmedia_sts;
ivars->mii_flags = flags;
*miibus = device_add_child(dev, "miibus", -1);
if (*miibus == NULL) {
rv = ENXIO;
goto fail;
}
device_set_ivars(*miibus, ivars);
} else {
ivars = device_get_ivars(*miibus);
if (ivars->ifp != ifp || ivars->ifmedia_upd != ifmedia_upd ||
ivars->ifmedia_sts != ifmedia_sts ||
ivars->mii_flags != flags) {
printf("%s: non-matching invariant\n", __func__);
return (EINVAL);
}
/*
* Assignment of the attach arguments mii_data for the first
* pass is done in miibus_attach(), i.e. once the miibus softc
* has been allocated.
*/
ma.mii_data = device_get_softc(*miibus);
}
ma.mii_capmask = capmask;
phy = NULL;
offset = 0;
for (ma.mii_phyno = phymin; ma.mii_phyno <= phymax; ma.mii_phyno++) {
/*
* Make sure we haven't already configured a PHY at this
* address. This allows mii_attach() to be called
* multiple times.
*/
if (device_get_children(*miibus, &children, &nchildren) == 0) {
for (i = 0; i < nchildren; i++) {
args = device_get_ivars(children[i]);
if (args->mii_phyno == ma.mii_phyno) {
/*
* Yes, there is already something
* configured at this address.
*/
free(children, M_TEMP);
goto skip;
}
}
free(children, M_TEMP);
}
/*
* Check to see if there is a PHY at this address. Note,
* many braindead PHYs report 0/0 in their ID registers,
* so we test for media in the BMSR.
*/
bmsr = MIIBUS_READREG(dev, ma.mii_phyno, MII_BMSR);
if (bmsr == 0 || bmsr == 0xffff ||
(bmsr & (BMSR_EXTSTAT | BMSR_MEDIAMASK)) == 0) {
/* Assume no PHY at this address. */
continue;
}
/*
* There is a PHY at this address. If we were given an
* `offset' locator, skip this PHY if it doesn't match.
*/
if (offloc != MII_OFFSET_ANY && offloc != offset)
goto skip;
/*
* Extract the IDs. Braindead PHYs will be handled by
* the `ukphy' driver, as we have no ID information to
* match on.
*/
ma.mii_id1 = MIIBUS_READREG(dev, ma.mii_phyno, MII_PHYIDR1);
ma.mii_id2 = MIIBUS_READREG(dev, ma.mii_phyno, MII_PHYIDR2);
args = malloc(sizeof(struct mii_attach_args), M_DEVBUF,
M_NOWAIT);
if (args == NULL)
goto skip;
bcopy((char *)&ma, (char *)args, sizeof(ma));
phy = device_add_child(*miibus, NULL, -1);
if (phy == NULL) {
free(args, M_DEVBUF);
goto skip;
}
device_set_ivars(phy, args);
skip:
offset++;
}
if (first != 0) {
if (phy == NULL) {
rv = ENXIO;
goto fail;
}
rv = bus_generic_attach(dev);
if (rv != 0)
goto fail;
/* Attaching of the PHY drivers is done in miibus_attach(). */
return (0);
}
rv = bus_generic_attach(*miibus);
if (rv != 0)
goto fail;
return (0);
fail:
if (*miibus != NULL)
device_delete_child(dev, *miibus);
free(ivars, M_DEVBUF);
if (first != 0)
*miibus = NULL;
return (rv);
}
int
mii_phy_probe(device_t dev, device_t *child, ifm_change_cb_t ifmedia_upd,
ifm_stat_cb_t ifmedia_sts)
{
void **v;
int bmsr, i;
struct ifnet *ifp;
v = kernel_malloc(sizeof(vm_offset_t) * 2, M_DEVBUF, M_NOWAIT);
if (v == 0) {
return (ENOMEM);
}
v[0] = ifmedia_upd;
v[1] = ifmedia_sts;
*child = device_add_child(dev, "miibus", -1);
device_set_ivars(*child, v);
for (i = 0; i < MII_NPHY; i++) {
bmsr = MIIBUS_READREG(dev, i, MII_BMSR);
if (bmsr == 0 || bmsr == 0xffff ||
(bmsr & (BMSR_EXTSTAT|BMSR_MEDIAMASK)) == 0) {
/* Assume no PHY at this address. */
continue;
} else
break;
}
if (i == MII_NPHY) {
device_delete_child(dev, *child);
*child = NULL;
return(ENXIO);
}
bus_generic_attach(dev);
return(0);
/*
* Note that each NIC's softc must start with an ifnet pointer.
* XXX: EVIL HACK!
*/
ifp = *(struct ifnet **)device_get_softc(dev);
return (mii_attach(dev, child, ifp, ifmedia_upd, ifmedia_sts,
BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, 0));
}
/*
@@ -351,12 +496,28 @@ int
mii_mediachg(struct mii_data *mii)
{
struct mii_softc *child;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
int rv;
mii->mii_media_status = 0;
mii->mii_media_active = IFM_NONE;
LIST_FOREACH(child, &mii->mii_phys, mii_list) {
/*
* If the media indicates a different PHY instance,
* isolate this one.
*/
if (IFM_INST(ife->ifm_media) != child->mii_inst) {
if ((child->mii_flags & MIIF_NOISOLATE) != 0) {
device_printf(child->mii_dev, "%s: "
"can't handle non-zero PHY instance %d\n",
__func__, child->mii_inst);
continue;
}
PHY_WRITE(child, MII_BMCR, PHY_READ(child, MII_BMCR) |
BMCR_ISO);
continue;
}
rv = (*child->mii_service)(child, mii, MII_MEDIACHG);
if (rv)
return (rv);
@@ -371,9 +532,17 @@ void
mii_tick(struct mii_data *mii)
{
struct mii_softc *child;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
LIST_FOREACH(child, &mii->mii_phys, mii_list)
(void) (*child->mii_service)(child, mii, MII_TICK);
LIST_FOREACH(child, &mii->mii_phys, mii_list) {
/*
* If this PHY instance isn't currently selected, just skip
* it.
*/
if (IFM_INST(ife->ifm_media) != child->mii_inst)
continue;
(void)(*child->mii_service)(child, mii, MII_TICK);
}
}
/*
@@ -383,12 +552,19 @@ void
mii_pollstat(struct mii_data *mii)
{
struct mii_softc *child;
struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
mii->mii_media_status = 0;
mii->mii_media_active = IFM_NONE;
LIST_FOREACH(child, &mii->mii_phys, mii_list)
(void) (*child->mii_service)(child, mii, MII_POLLSTAT);
LIST_FOREACH(child, &mii->mii_phys, mii_list) {
/*
* If we're not polling this PHY instance, just skip it.
*/
if (IFM_INST(ife->ifm_media) != child->mii_inst)
continue;
(void)(*child->mii_service)(child, mii, MII_POLLSTAT);
}
}
/*