freebsd-dev/sys/dev/etherswitch/e6000sw/e6060sw.c
Michael Zhilin 0774131e27 [etherswitch] check if_alloc returns NULL
This patch is cosmetic. It checks if allocation of ifnet structure failed.
It's better to have this check rather than assume positive scenario.

Submitted by:	Dmitry Luhtionov <dmitryluhtionov@gmail.com>
Reported by:	Dmitry Luhtionov <dmitryluhtionov@gmail.com>
2018-01-24 21:33:18 +00:00

1034 lines
25 KiB
C

/*-
* Copyright (c) 2016-2017 Hiroki Mori
* Copyright (c) 2013 Luiz Otavio O Souza.
* Copyright (c) 2011-2012 Stefan Bethke.
* Copyright (c) 2012 Adrian Chadd.
* All rights reserved.
*
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*/
/*
* This code is Marvell 88E6060 ethernet switch support code on etherswitch
* framework.
* 88E6060 support is only port vlan support. Not support ingress/egress
* trailer.
* 88E6065 support is port and dot1q vlan. Also group base tag support.
*/
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/systm.h>
#include <net/if.h>
#include <net/if_var.h>
#include <net/ethernet.h>
#include <net/if_media.h>
#include <net/if_types.h>
#include <machine/bus.h>
#include <dev/mii/mii.h>
#include <dev/mii/miivar.h>
#include <dev/mdio/mdio.h>
#include <dev/etherswitch/etherswitch.h>
#include "mdio_if.h"
#include "miibus_if.h"
#include "etherswitch_if.h"
#define CORE_REGISTER 0x8
#define SWITCH_ID 3
#define PORT_CONTROL 4
#define ENGRESSFSHIFT 2
#define ENGRESSFMASK 3
#define ENGRESSTAGSHIFT 12
#define ENGRESSTAGMASK 3
#define PORT_VLAN_MAP 6
#define FORCEMAPSHIFT 8
#define FORCEMAPMASK 1
#define PORT_DEFVLAN 7
#define DEFVIDMASK 0xfff
#define DEFPRIMASK 7
#define PORT_CONTROL2 8
#define DOT1QMODESHIFT 10
#define DOT1QMODEMASK 3
#define DOT1QNONE 0
#define DOT1QFALLBACK 1
#define DOT1QCHECK 2
#define DOT1QSECURE 3
#define GLOBAL_REGISTER 0xf
#define VTU_OPERATION 5
#define VTU_VID_REG 6
#define VTU_DATA1_REG 7
#define VTU_DATA2_REG 8
#define VTU_DATA3_REG 9
#define VTU_BUSY 0x8000
#define VTU_FLASH 1
#define VTU_LOAD_PURGE 3
#define VTU_GET_NEXT 4
#define VTU_VIOLATION 7
MALLOC_DECLARE(M_E6060SW);
MALLOC_DEFINE(M_E6060SW, "e6060sw", "e6060sw data structures");
struct e6060sw_softc {
struct mtx sc_mtx; /* serialize access to softc */
device_t sc_dev;
int vlan_mode;
int media; /* cpu port media */
int cpuport; /* which PHY is connected to the CPU */
int phymask; /* PHYs we manage */
int numports; /* number of ports */
int ifpport[MII_NPHY];
int *portphy;
char **ifname;
device_t **miibus;
struct ifnet **ifp;
struct callout callout_tick;
etherswitch_info_t info;
int smi_offset;
int sw_model;
};
/* Switch Identifier DeviceID */
#define E6060 0x60
#define E6063 0x63
#define E6065 0x65
#define E6060SW_LOCK(_sc) \
mtx_lock(&(_sc)->sc_mtx)
#define E6060SW_UNLOCK(_sc) \
mtx_unlock(&(_sc)->sc_mtx)
#define E6060SW_LOCK_ASSERT(_sc, _what) \
mtx_assert(&(_sc)->sc_mtx, (_what))
#define E6060SW_TRYLOCK(_sc) \
mtx_trylock(&(_sc)->sc_mtx)
#if defined(DEBUG)
#define DPRINTF(dev, args...) device_printf(dev, args)
#else
#define DPRINTF(dev, args...)
#endif
static inline int e6060sw_portforphy(struct e6060sw_softc *, int);
static void e6060sw_tick(void *);
static int e6060sw_ifmedia_upd(struct ifnet *);
static void e6060sw_ifmedia_sts(struct ifnet *, struct ifmediareq *);
static void e6060sw_setup(device_t dev);
static int e6060sw_read_vtu(device_t dev, int num, int *data1, int *data2);
static void e6060sw_set_vtu(device_t dev, int num, int data1, int data2);
static int
e6060sw_probe(device_t dev)
{
int data;
struct e6060sw_softc *sc;
int devid, i;
char *devname;
char desc[80];
sc = device_get_softc(dev);
bzero(sc, sizeof(*sc));
devid = 0;
for (i = 0; i < 2; ++i) {
data = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + i * 0x10, SWITCH_ID);
if (bootverbose)
device_printf(dev,"Switch Identifier Register %x\n",
data);
devid = data >> 4;
if (devid == E6060 ||
devid == E6063 || devid == E6065) {
sc->sw_model = devid;
sc->smi_offset = i * 0x10;
break;
}
}
if (devid == E6060)
devname = "88E6060";
else if (devid == E6063)
devname = "88E6063";
else if (devid == E6065)
devname = "88E6065";
else
return (ENXIO);
sprintf(desc, "Marvell %s MDIO switch driver at 0x%02x",
devname, sc->smi_offset);
device_set_desc_copy(dev, desc);
return (BUS_PROBE_DEFAULT);
}
static int
e6060sw_attach_phys(struct e6060sw_softc *sc)
{
int phy, port, err;
char name[IFNAMSIZ];
port = 0;
err = 0;
/* PHYs need an interface, so we generate a dummy one */
snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev));
for (phy = 0; phy < sc->numports; phy++) {
if (((1 << phy) & sc->phymask) == 0)
continue;
sc->ifpport[phy] = port;
sc->portphy[port] = phy;
sc->ifp[port] = if_alloc(IFT_ETHER);
if (sc->ifp[port] == NULL) {
device_printf(sc->sc_dev, "couldn't allocate ifnet structure\n");
err = ENOMEM;
break;
}
sc->ifp[port]->if_softc = sc;
sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST |
IFF_DRV_RUNNING | IFF_SIMPLEX;
if_initname(sc->ifp[port], name, port);
sc->miibus[port] = malloc(sizeof(device_t), M_E6060SW,
M_WAITOK | M_ZERO);
err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port],
e6060sw_ifmedia_upd, e6060sw_ifmedia_sts, \
BMSR_DEFCAPMASK, phy + sc->smi_offset, MII_OFFSET_ANY, 0);
DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n",
device_get_nameunit(*sc->miibus[port]),
sc->ifp[port]->if_xname);
if (err != 0) {
device_printf(sc->sc_dev,
"attaching PHY %d failed\n",
phy);
break;
}
++port;
}
sc->info.es_nports = port;
if (sc->cpuport != -1) {
/* assume cpuport is last one */
sc->ifpport[sc->cpuport] = port;
sc->portphy[port] = sc->cpuport;
++sc->info.es_nports;
}
return (err);
}
static int
e6060sw_attach(device_t dev)
{
struct e6060sw_softc *sc;
int err;
sc = device_get_softc(dev);
err = 0;
sc->sc_dev = dev;
mtx_init(&sc->sc_mtx, "e6060sw", NULL, MTX_DEF);
strlcpy(sc->info.es_name, device_get_desc(dev),
sizeof(sc->info.es_name));
/* XXX Defaults */
if (sc->sw_model == E6063) {
sc->numports = 3;
sc->phymask = 0x07;
sc->cpuport = 2;
} else {
sc->numports = 6;
sc->phymask = 0x1f;
sc->cpuport = 5;
}
sc->media = 100;
(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
"numports", &sc->numports);
(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
"phymask", &sc->phymask);
(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
"cpuport", &sc->cpuport);
(void) resource_int_value(device_get_name(dev), device_get_unit(dev),
"media", &sc->media);
if (sc->sw_model == E6060) {
sc->info.es_nvlangroups = sc->numports;
sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT;
} else {
sc->info.es_nvlangroups = 64;
sc->info.es_vlan_caps = ETHERSWITCH_VLAN_PORT |
ETHERSWITCH_VLAN_DOT1Q;
}
e6060sw_setup(dev);
sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_E6060SW,
M_WAITOK | M_ZERO);
sc->ifname = malloc(sizeof(char *) * sc->numports, M_E6060SW,
M_WAITOK | M_ZERO);
sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_E6060SW,
M_WAITOK | M_ZERO);
sc->portphy = malloc(sizeof(int) * sc->numports, M_E6060SW,
M_WAITOK | M_ZERO);
/*
* Attach the PHYs and complete the bus enumeration.
*/
err = e6060sw_attach_phys(sc);
if (err != 0)
return (err);
bus_generic_probe(dev);
bus_enumerate_hinted_children(dev);
err = bus_generic_attach(dev);
if (err != 0)
return (err);
callout_init(&sc->callout_tick, 0);
e6060sw_tick(sc);
return (err);
}
static int
e6060sw_detach(device_t dev)
{
struct e6060sw_softc *sc;
int i, port;
sc = device_get_softc(dev);
callout_drain(&sc->callout_tick);
for (i = 0; i < MII_NPHY; i++) {
if (((1 << i) & sc->phymask) == 0)
continue;
port = e6060sw_portforphy(sc, i);
if (sc->miibus[port] != NULL)
device_delete_child(dev, (*sc->miibus[port]));
if (sc->ifp[port] != NULL)
if_free(sc->ifp[port]);
free(sc->ifname[port], M_E6060SW);
free(sc->miibus[port], M_E6060SW);
}
free(sc->portphy, M_E6060SW);
free(sc->miibus, M_E6060SW);
free(sc->ifname, M_E6060SW);
free(sc->ifp, M_E6060SW);
bus_generic_detach(dev);
mtx_destroy(&sc->sc_mtx);
return (0);
}
/*
* Convert PHY number to port number.
*/
static inline int
e6060sw_portforphy(struct e6060sw_softc *sc, int phy)
{
return (sc->ifpport[phy]);
}
static inline struct mii_data *
e6060sw_miiforport(struct e6060sw_softc *sc, int port)
{
if (port < 0 || port > sc->numports)
return (NULL);
if (port == sc->cpuport)
return (NULL);
return (device_get_softc(*sc->miibus[port]));
}
static inline struct ifnet *
e6060sw_ifpforport(struct e6060sw_softc *sc, int port)
{
if (port < 0 || port > sc->numports)
return (NULL);
return (sc->ifp[port]);
}
/*
* Poll the status for all PHYs.
*/
static void
e6060sw_miipollstat(struct e6060sw_softc *sc)
{
int i, port;
struct mii_data *mii;
struct mii_softc *miisc;
E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
for (i = 0; i < MII_NPHY; i++) {
if (((1 << i) & sc->phymask) == 0)
continue;
port = e6060sw_portforphy(sc, i);
if ((*sc->miibus[port]) == NULL)
continue;
mii = device_get_softc(*sc->miibus[port]);
LIST_FOREACH(miisc, &mii->mii_phys, mii_list) {
if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) !=
miisc->mii_inst)
continue;
ukphy_status(miisc);
mii_phy_update(miisc, MII_POLLSTAT);
}
}
}
static void
e6060sw_tick(void *arg)
{
struct e6060sw_softc *sc;
sc = arg;
e6060sw_miipollstat(sc);
callout_reset(&sc->callout_tick, hz, e6060sw_tick, sc);
}
static void
e6060sw_lock(device_t dev)
{
struct e6060sw_softc *sc;
sc = device_get_softc(dev);
E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
E6060SW_LOCK(sc);
}
static void
e6060sw_unlock(device_t dev)
{
struct e6060sw_softc *sc;
sc = device_get_softc(dev);
E6060SW_LOCK_ASSERT(sc, MA_OWNED);
E6060SW_UNLOCK(sc);
}
static etherswitch_info_t *
e6060sw_getinfo(device_t dev)
{
struct e6060sw_softc *sc;
sc = device_get_softc(dev);
return (&sc->info);
}
static int
e6060sw_getport(device_t dev, etherswitch_port_t *p)
{
struct e6060sw_softc *sc;
struct mii_data *mii;
struct ifmediareq *ifmr;
int err, phy;
sc = device_get_softc(dev);
ifmr = &p->es_ifmr;
if (p->es_port < 0 || p->es_port >= sc->numports)
return (ENXIO);
p->es_pvid = 0;
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
p->es_pvid = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + p->es_port,
PORT_DEFVLAN) & 0xfff;
}
phy = sc->portphy[p->es_port];
mii = e6060sw_miiforport(sc, p->es_port);
if (sc->cpuport != -1 && phy == sc->cpuport) {
/* fill in fixed values for CPU port */
p->es_flags |= ETHERSWITCH_PORT_CPU;
ifmr->ifm_count = 0;
if (sc->media == 100)
ifmr->ifm_current = ifmr->ifm_active =
IFM_ETHER | IFM_100_TX | IFM_FDX;
else
ifmr->ifm_current = ifmr->ifm_active =
IFM_ETHER | IFM_1000_T | IFM_FDX;
ifmr->ifm_mask = 0;
ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID;
} else if (mii != NULL) {
err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr,
&mii->mii_media, SIOCGIFMEDIA);
if (err)
return (err);
} else {
return (ENXIO);
}
return (0);
}
static int
e6060sw_setport(device_t dev, etherswitch_port_t *p)
{
struct e6060sw_softc *sc;
struct ifmedia *ifm;
struct mii_data *mii;
struct ifnet *ifp;
int err;
int data;
sc = device_get_softc(dev);
if (p->es_port < 0 || p->es_port >= sc->numports)
return (ENXIO);
if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
data = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + p->es_port,
PORT_DEFVLAN);
data &= ~0xfff;
data |= p->es_pvid;
data |= 1 << 12;
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + p->es_port,
PORT_DEFVLAN, data);
}
if (sc->portphy[p->es_port] == sc->cpuport)
return(0);
mii = e6060sw_miiforport(sc, p->es_port);
if (mii == NULL)
return (ENXIO);
ifp = e6060sw_ifpforport(sc, p->es_port);
ifm = &mii->mii_media;
err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA);
return (err);
}
static int
e6060sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg)
{
struct e6060sw_softc *sc;
int data1, data2;
int vid;
int i, tag;
sc = device_get_softc(dev);
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
vg->es_vid = ETHERSWITCH_VID_VALID;
vg->es_vid |= vg->es_vlangroup;
data1 = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
PORT_VLAN_MAP);
vg->es_member_ports = data1 & 0x3f;
vg->es_untagged_ports = vg->es_member_ports;
vg->es_fid = 0;
} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
if (vg->es_vlangroup == 0)
return (0);
vid = e6060sw_read_vtu(dev, vg->es_vlangroup, &data1, &data2);
if (vid > 0) {
vg->es_vid = ETHERSWITCH_VID_VALID;
vg->es_vid |= vid;
vg->es_member_ports = 0;
vg->es_untagged_ports = 0;
for (i = 0; i < 4; ++i) {
tag = data1 >> (i * 4) & 3;
if (tag == 0 || tag == 1) {
vg->es_member_ports |= 1 << i;
vg->es_untagged_ports |= 1 << i;
} else if (tag == 2) {
vg->es_member_ports |= 1 << i;
}
}
for (i = 0; i < 2; ++i) {
tag = data2 >> (i * 4) & 3;
if (tag == 0 || tag == 1) {
vg->es_member_ports |= 1 << (i + 4);
vg->es_untagged_ports |= 1 << (i + 4);
} else if (tag == 2) {
vg->es_member_ports |= 1 << (i + 4);
}
}
}
} else {
vg->es_vid = 0;
}
return (0);
}
static int
e6060sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg)
{
struct e6060sw_softc *sc;
int data1, data2;
int i;
sc = device_get_softc(dev);
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
data1 = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
PORT_VLAN_MAP);
data1 &= ~0x3f;
data1 |= vg->es_member_ports;
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + vg->es_vlangroup,
PORT_VLAN_MAP, data1);
} else if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
if (vg->es_vlangroup == 0)
return (0);
data1 = 0;
data2 = 0;
for (i = 0; i < 6; ++i) {
if (vg->es_member_ports &
vg->es_untagged_ports & (1 << i)) {
if (i < 4) {
data1 |= (0xd << i * 4);
} else {
data2 |= (0xd << (i - 4) * 4);
}
} else if (vg->es_member_ports & (1 << i)) {
if (i < 4) {
data1 |= (0xe << i * 4);
} else {
data2 |= (0xe << (i - 4) * 4);
}
} else {
if (i < 4) {
data1 |= (0x3 << i * 4);
} else {
data2 |= (0x3 << (i - 4) * 4);
}
}
}
e6060sw_set_vtu(dev, vg->es_vlangroup, data1, data2);
}
return (0);
}
static void
e6060sw_reset_vlans(device_t dev)
{
struct e6060sw_softc *sc;
uint32_t ports;
int i;
int data;
sc = device_get_softc(dev);
for (i = 0; i <= sc->numports; i++) {
ports = (1 << (sc->numports + 1)) - 1;
ports &= ~(1 << i);
if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) {
data = i << 12;
} else if (sc->vlan_mode == 0) {
data = 1 << 8;
} else {
data = 0;
}
data |= ports;
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i, PORT_VLAN_MAP, data);
}
}
static void
e6060sw_setup(device_t dev)
{
struct e6060sw_softc *sc;
int i;
int data;
sc = device_get_softc(dev);
for (i = 0; i <= sc->numports; i++) {
if (sc->sw_model == E6063 || sc->sw_model == E6065) {
data = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i, PORT_VLAN_MAP);
data &= ~(FORCEMAPMASK << FORCEMAPSHIFT);
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i,
PORT_VLAN_MAP, data);
data = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL);
data |= 3 << ENGRESSFSHIFT;
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i,
PORT_CONTROL, data);
}
}
}
static void
e6060sw_dot1q_mode(device_t dev, int mode)
{
struct e6060sw_softc *sc;
int i;
int data;
sc = device_get_softc(dev);
for (i = 0; i <= sc->numports; i++) {
data = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL2);
data &= ~(DOT1QMODEMASK << DOT1QMODESHIFT);
data |= mode << DOT1QMODESHIFT;
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i, PORT_CONTROL2, data);
data = MDIO_READREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i,
PORT_DEFVLAN);
data &= ~0xfff;
data |= 1;
MDIO_WRITEREG(device_get_parent(dev),
CORE_REGISTER + sc->smi_offset + i,
PORT_DEFVLAN, data);
}
}
static int
e6060sw_getconf(device_t dev, etherswitch_conf_t *conf)
{
struct e6060sw_softc *sc;
sc = device_get_softc(dev);
/* Return the VLAN mode. */
conf->cmd = ETHERSWITCH_CONF_VLAN_MODE;
conf->vlan_mode = sc->vlan_mode;
return (0);
}
static void
e6060sw_init_vtu(device_t dev)
{
struct e6060sw_softc *sc;
int busy;
sc = device_get_softc(dev);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_OPERATION, VTU_BUSY | (VTU_FLASH << 12));
while (1) {
busy = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
if ((busy & VTU_BUSY) == 0)
break;
}
/* initial member set at vlan 1*/
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_DATA1_REG, 0xcccc);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_DATA2_REG, 0x00cc);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_VID_REG, 0x1000 | 1);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_OPERATION, VTU_BUSY | (VTU_LOAD_PURGE << 12) | 1);
while (1) {
busy = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
if ((busy & VTU_BUSY) == 0)
break;
}
}
static void
e6060sw_set_vtu(device_t dev, int num, int data1, int data2)
{
struct e6060sw_softc *sc;
int busy;
sc = device_get_softc(dev);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_DATA1_REG, data1);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_DATA2_REG, data2);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_VID_REG, 0x1000 | num);
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_OPERATION, VTU_BUSY | (VTU_LOAD_PURGE << 12) | num);
while (1) {
busy = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
if ((busy & VTU_BUSY) == 0)
break;
}
}
static int
e6060sw_read_vtu(device_t dev, int num, int *data1, int *data2)
{
struct e6060sw_softc *sc;
int busy;
sc = device_get_softc(dev);
num = num - 1;
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_VID_REG, num & 0xfff);
/* Get Next */
MDIO_WRITEREG(device_get_parent(dev), GLOBAL_REGISTER + sc->smi_offset,
VTU_OPERATION, VTU_BUSY | (VTU_GET_NEXT << 12));
while (1) {
busy = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_OPERATION);
if ((busy & VTU_BUSY) == 0)
break;
}
int vid = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_VID_REG);
if (vid & 0x1000) {
*data1 = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_DATA1_REG);
*data2 = MDIO_READREG(device_get_parent(dev),
GLOBAL_REGISTER + sc->smi_offset, VTU_DATA2_REG);
return (vid & 0xfff);
}
return (-1);
}
static int
e6060sw_setconf(device_t dev, etherswitch_conf_t *conf)
{
struct e6060sw_softc *sc;
sc = device_get_softc(dev);
/* Set the VLAN mode. */
if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) {
if (conf->vlan_mode == ETHERSWITCH_VLAN_PORT) {
sc->vlan_mode = ETHERSWITCH_VLAN_PORT;
e6060sw_dot1q_mode(dev, DOT1QNONE);
e6060sw_reset_vlans(dev);
} else if ((sc->sw_model == E6063 || sc->sw_model == E6065) &&
conf->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) {
sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q;
e6060sw_dot1q_mode(dev, DOT1QSECURE);
e6060sw_init_vtu(dev);
} else {
sc->vlan_mode = 0;
/* Reset VLANs. */
e6060sw_dot1q_mode(dev, DOT1QNONE);
e6060sw_reset_vlans(dev);
}
}
return (0);
}
static void
e6060sw_statchg(device_t dev)
{
DPRINTF(dev, "%s\n", __func__);
}
static int
e6060sw_ifmedia_upd(struct ifnet *ifp)
{
struct e6060sw_softc *sc;
struct mii_data *mii;
sc = ifp->if_softc;
mii = e6060sw_miiforport(sc, ifp->if_dunit);
DPRINTF(sc->sc_dev, "%s\n", __func__);
if (mii == NULL)
return (ENXIO);
mii_mediachg(mii);
return (0);
}
static void
e6060sw_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr)
{
struct e6060sw_softc *sc;
struct mii_data *mii;
sc = ifp->if_softc;
mii = e6060sw_miiforport(sc, ifp->if_dunit);
DPRINTF(sc->sc_dev, "%s\n", __func__);
if (mii == NULL)
return;
mii_pollstat(mii);
ifmr->ifm_active = mii->mii_media_active;
ifmr->ifm_status = mii->mii_media_status;
}
static int
e6060sw_readphy(device_t dev, int phy, int reg)
{
struct e6060sw_softc *sc;
int data;
sc = device_get_softc(dev);
E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
if (phy < 0 || phy >= 32)
return (ENXIO);
if (reg < 0 || reg >= 32)
return (ENXIO);
E6060SW_LOCK(sc);
data = MDIO_READREG(device_get_parent(dev), phy, reg);
E6060SW_UNLOCK(sc);
return (data);
}
static int
e6060sw_writephy(device_t dev, int phy, int reg, int data)
{
struct e6060sw_softc *sc;
int err;
sc = device_get_softc(dev);
E6060SW_LOCK_ASSERT(sc, MA_NOTOWNED);
if (phy < 0 || phy >= 32)
return (ENXIO);
if (reg < 0 || reg >= 32)
return (ENXIO);
E6060SW_LOCK(sc);
err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data);
E6060SW_UNLOCK(sc);
return (err);
}
/* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */
static int
e6060sw_readreg(device_t dev, int addr)
{
int devaddr, regaddr;
devaddr = (addr >> 5) & 0x1f;
regaddr = addr & 0x1f;
return MDIO_READREG(device_get_parent(dev), devaddr, regaddr);
}
/* addr is 5-8 bit is SMI Device Addres, 0-4 bit is SMI Register Address */
static int
e6060sw_writereg(device_t dev, int addr, int value)
{
int devaddr, regaddr;
devaddr = (addr >> 5) & 0x1f;
regaddr = addr & 0x1f;
return (MDIO_WRITEREG(device_get_parent(dev), devaddr, regaddr, value));
}
static device_method_t e6060sw_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, e6060sw_probe),
DEVMETHOD(device_attach, e6060sw_attach),
DEVMETHOD(device_detach, e6060sw_detach),
/* bus interface */
DEVMETHOD(bus_add_child, device_add_child_ordered),
/* MII interface */
DEVMETHOD(miibus_readreg, e6060sw_readphy),
DEVMETHOD(miibus_writereg, e6060sw_writephy),
DEVMETHOD(miibus_statchg, e6060sw_statchg),
/* MDIO interface */
DEVMETHOD(mdio_readreg, e6060sw_readphy),
DEVMETHOD(mdio_writereg, e6060sw_writephy),
/* etherswitch interface */
DEVMETHOD(etherswitch_lock, e6060sw_lock),
DEVMETHOD(etherswitch_unlock, e6060sw_unlock),
DEVMETHOD(etherswitch_getinfo, e6060sw_getinfo),
DEVMETHOD(etherswitch_readreg, e6060sw_readreg),
DEVMETHOD(etherswitch_writereg, e6060sw_writereg),
DEVMETHOD(etherswitch_readphyreg, e6060sw_readphy),
DEVMETHOD(etherswitch_writephyreg, e6060sw_writephy),
DEVMETHOD(etherswitch_getport, e6060sw_getport),
DEVMETHOD(etherswitch_setport, e6060sw_setport),
DEVMETHOD(etherswitch_getvgroup, e6060sw_getvgroup),
DEVMETHOD(etherswitch_setvgroup, e6060sw_setvgroup),
DEVMETHOD(etherswitch_setconf, e6060sw_setconf),
DEVMETHOD(etherswitch_getconf, e6060sw_getconf),
DEVMETHOD_END
};
DEFINE_CLASS_0(e6060sw, e6060sw_driver, e6060sw_methods,
sizeof(struct e6060sw_softc));
static devclass_t e6060sw_devclass;
DRIVER_MODULE(e6060sw, mdio, e6060sw_driver, e6060sw_devclass, 0, 0);
DRIVER_MODULE(miibus, e6060sw, miibus_driver, miibus_devclass, 0, 0);
DRIVER_MODULE(mdio, e6060sw, mdio_driver, mdio_devclass, 0, 0);
DRIVER_MODULE(etherswitch, e6060sw, etherswitch_driver, etherswitch_devclass, 0, 0);
MODULE_VERSION(e6060sw, 1);
MODULE_DEPEND(e6060sw, miibus, 1, 1, 1); /* XXX which versions? */
MODULE_DEPEND(e6060sw, etherswitch, 1, 1, 1); /* XXX which versions? */