ukswitch.c revision 292738
1249651Sadrian/*- 2249651Sadrian * Copyright (c) 2013 Luiz Otavio O Souza. 3249651Sadrian * Copyright (c) 2011-2012 Stefan Bethke. 4249651Sadrian * Copyright (c) 2012 Adrian Chadd. 5249651Sadrian * All rights reserved. 6249651Sadrian * 7249651Sadrian * Redistribution and use in source and binary forms, with or without 8249651Sadrian * modification, are permitted provided that the following conditions 9249651Sadrian * are met: 10249651Sadrian * 1. Redistributions of source code must retain the above copyright 11249651Sadrian * notice, this list of conditions and the following disclaimer. 12249651Sadrian * 2. Redistributions in binary form must reproduce the above copyright 13249651Sadrian * notice, this list of conditions and the following disclaimer in the 14249651Sadrian * documentation and/or other materials provided with the distribution. 15249651Sadrian * 16249651Sadrian * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17249651Sadrian * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18249651Sadrian * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19249651Sadrian * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20249651Sadrian * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21249651Sadrian * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22249651Sadrian * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23249651Sadrian * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24249651Sadrian * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25249651Sadrian * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26249651Sadrian * SUCH DAMAGE. 27249651Sadrian * 28249651Sadrian * $FreeBSD: head/sys/dev/etherswitch/ukswitch/ukswitch.c 292738 2015-12-26 02:31:39Z adrian $ 29249651Sadrian */ 30249651Sadrian 31249651Sadrian#include <sys/param.h> 32249651Sadrian#include <sys/bus.h> 33249651Sadrian#include <sys/errno.h> 34249651Sadrian#include <sys/kernel.h> 35257324Sglebius#include <sys/lock.h> 36257324Sglebius#include <sys/malloc.h> 37249651Sadrian#include <sys/module.h> 38257324Sglebius#include <sys/mutex.h> 39249651Sadrian#include <sys/socket.h> 40249651Sadrian#include <sys/sockio.h> 41249651Sadrian#include <sys/sysctl.h> 42249651Sadrian#include <sys/systm.h> 43249651Sadrian 44249651Sadrian#include <net/if.h> 45257324Sglebius#include <net/if_var.h> 46249651Sadrian#include <net/ethernet.h> 47249651Sadrian#include <net/if_media.h> 48249651Sadrian#include <net/if_types.h> 49249651Sadrian 50249651Sadrian#include <machine/bus.h> 51249651Sadrian#include <dev/mii/mii.h> 52249651Sadrian#include <dev/mii/miivar.h> 53292738Sadrian#include <dev/mdio/mdio.h> 54249651Sadrian 55249651Sadrian#include <dev/etherswitch/etherswitch.h> 56249651Sadrian 57249651Sadrian#include "mdio_if.h" 58249651Sadrian#include "miibus_if.h" 59249651Sadrian#include "etherswitch_if.h" 60249651Sadrian 61249651SadrianMALLOC_DECLARE(M_UKSWITCH); 62249651SadrianMALLOC_DEFINE(M_UKSWITCH, "ukswitch", "ukswitch data structures"); 63249651Sadrian 64249651Sadrianstruct ukswitch_softc { 65249651Sadrian struct mtx sc_mtx; /* serialize access to softc */ 66249651Sadrian device_t sc_dev; 67249651Sadrian int media; /* cpu port media */ 68249651Sadrian int cpuport; /* which PHY is connected to the CPU */ 69249651Sadrian int phymask; /* PHYs we manage */ 70249651Sadrian int numports; /* number of ports */ 71249651Sadrian int ifpport[MII_NPHY]; 72249651Sadrian int *portphy; 73249651Sadrian char **ifname; 74249651Sadrian device_t **miibus; 75249651Sadrian struct ifnet **ifp; 76249651Sadrian struct callout callout_tick; 77249651Sadrian etherswitch_info_t info; 78249651Sadrian}; 79249651Sadrian 80249651Sadrian#define UKSWITCH_LOCK(_sc) \ 81249651Sadrian mtx_lock(&(_sc)->sc_mtx) 82249651Sadrian#define UKSWITCH_UNLOCK(_sc) \ 83249651Sadrian mtx_unlock(&(_sc)->sc_mtx) 84249651Sadrian#define UKSWITCH_LOCK_ASSERT(_sc, _what) \ 85249651Sadrian mtx_assert(&(_sc)->sc_mtx, (_what)) 86249651Sadrian#define UKSWITCH_TRYLOCK(_sc) \ 87249651Sadrian mtx_trylock(&(_sc)->sc_mtx) 88249651Sadrian 89249651Sadrian#if defined(DEBUG) 90249651Sadrian#define DPRINTF(dev, args...) device_printf(dev, args) 91249651Sadrian#else 92249651Sadrian#define DPRINTF(dev, args...) 93249651Sadrian#endif 94249651Sadrian 95249651Sadrianstatic inline int ukswitch_portforphy(struct ukswitch_softc *, int); 96249651Sadrianstatic void ukswitch_tick(void *); 97249651Sadrianstatic int ukswitch_ifmedia_upd(struct ifnet *); 98249651Sadrianstatic void ukswitch_ifmedia_sts(struct ifnet *, struct ifmediareq *); 99249651Sadrian 100249651Sadrianstatic int 101249651Sadrianukswitch_probe(device_t dev) 102249651Sadrian{ 103249651Sadrian struct ukswitch_softc *sc; 104249651Sadrian 105249651Sadrian sc = device_get_softc(dev); 106249651Sadrian bzero(sc, sizeof(*sc)); 107249651Sadrian 108249651Sadrian device_set_desc_copy(dev, "Generic MDIO switch driver"); 109249651Sadrian return (BUS_PROBE_DEFAULT); 110249651Sadrian} 111249651Sadrian 112249651Sadrianstatic int 113249651Sadrianukswitch_attach_phys(struct ukswitch_softc *sc) 114249651Sadrian{ 115249651Sadrian int phy, port = 0, err = 0; 116249651Sadrian char name[IFNAMSIZ]; 117249651Sadrian 118249651Sadrian /* PHYs need an interface, so we generate a dummy one */ 119249651Sadrian snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); 120249651Sadrian for (phy = 0; phy < MII_NPHY; phy++) { 121249651Sadrian if (((1 << phy) & sc->phymask) == 0) 122249651Sadrian continue; 123249651Sadrian sc->ifpport[phy] = port; 124249651Sadrian sc->portphy[port] = phy; 125249651Sadrian sc->ifp[port] = if_alloc(IFT_ETHER); 126249651Sadrian sc->ifp[port]->if_softc = sc; 127249651Sadrian sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST | 128249651Sadrian IFF_DRV_RUNNING | IFF_SIMPLEX; 129249651Sadrian sc->ifname[port] = malloc(strlen(name)+1, M_UKSWITCH, M_WAITOK); 130249651Sadrian bcopy(name, sc->ifname[port], strlen(name)+1); 131249651Sadrian if_initname(sc->ifp[port], sc->ifname[port], port); 132249651Sadrian sc->miibus[port] = malloc(sizeof(device_t), M_UKSWITCH, 133249651Sadrian M_WAITOK | M_ZERO); 134249651Sadrian err = mii_attach(sc->sc_dev, sc->miibus[port], sc->ifp[port], 135249651Sadrian ukswitch_ifmedia_upd, ukswitch_ifmedia_sts, \ 136249651Sadrian BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 137249651Sadrian DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", 138249651Sadrian device_get_nameunit(*sc->miibus[port]), 139249651Sadrian sc->ifp[port]->if_xname); 140249651Sadrian if (err != 0) { 141249651Sadrian device_printf(sc->sc_dev, 142249651Sadrian "attaching PHY %d failed\n", 143249651Sadrian phy); 144249651Sadrian break; 145249651Sadrian } 146249651Sadrian sc->info.es_nports = port + 1; 147249651Sadrian if (++port >= sc->numports) 148249651Sadrian break; 149249651Sadrian } 150249651Sadrian return (err); 151249651Sadrian} 152249651Sadrian 153249651Sadrianstatic int 154249651Sadrianukswitch_attach(device_t dev) 155249651Sadrian{ 156249651Sadrian struct ukswitch_softc *sc; 157249651Sadrian int err = 0; 158249651Sadrian 159249651Sadrian sc = device_get_softc(dev); 160249651Sadrian 161249651Sadrian sc->sc_dev = dev; 162249651Sadrian mtx_init(&sc->sc_mtx, "ukswitch", NULL, MTX_DEF); 163249651Sadrian strlcpy(sc->info.es_name, device_get_desc(dev), 164249651Sadrian sizeof(sc->info.es_name)); 165249651Sadrian 166249651Sadrian /* XXX Defaults */ 167249651Sadrian sc->numports = 6; 168249651Sadrian sc->phymask = 0x0f; 169250384Sadrian sc->cpuport = -1; 170249651Sadrian sc->media = 100; 171249651Sadrian 172249651Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 173249651Sadrian "numports", &sc->numports); 174249651Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 175249651Sadrian "phymask", &sc->phymask); 176249651Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 177249651Sadrian "cpuport", &sc->cpuport); 178249651Sadrian (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 179249651Sadrian "media", &sc->media); 180249651Sadrian 181249651Sadrian /* Support only fast and giga ethernet. */ 182249651Sadrian if (sc->media != 100 && sc->media != 1000) 183249651Sadrian sc->media = 100; 184249651Sadrian 185250384Sadrian if (sc->cpuport != -1) 186250384Sadrian /* Always attach the cpu port. */ 187250384Sadrian sc->phymask |= (1 << sc->cpuport); 188249651Sadrian 189249651Sadrian /* We do not support any vlan groups. */ 190249651Sadrian sc->info.es_nvlangroups = 0; 191249651Sadrian 192249651Sadrian sc->ifp = malloc(sizeof(struct ifnet *) * sc->numports, M_UKSWITCH, 193249651Sadrian M_WAITOK | M_ZERO); 194249651Sadrian sc->ifname = malloc(sizeof(char *) * sc->numports, M_UKSWITCH, 195249651Sadrian M_WAITOK | M_ZERO); 196249651Sadrian sc->miibus = malloc(sizeof(device_t *) * sc->numports, M_UKSWITCH, 197249651Sadrian M_WAITOK | M_ZERO); 198249651Sadrian sc->portphy = malloc(sizeof(int) * sc->numports, M_UKSWITCH, 199249651Sadrian M_WAITOK | M_ZERO); 200249651Sadrian 201249651Sadrian /* 202249651Sadrian * Attach the PHYs and complete the bus enumeration. 203249651Sadrian */ 204249651Sadrian err = ukswitch_attach_phys(sc); 205249651Sadrian if (err != 0) 206249651Sadrian return (err); 207249651Sadrian 208249651Sadrian bus_generic_probe(dev); 209249651Sadrian bus_enumerate_hinted_children(dev); 210249651Sadrian err = bus_generic_attach(dev); 211249651Sadrian if (err != 0) 212249651Sadrian return (err); 213249651Sadrian 214249651Sadrian callout_init(&sc->callout_tick, 0); 215249651Sadrian 216249651Sadrian ukswitch_tick(sc); 217249651Sadrian 218249651Sadrian return (err); 219249651Sadrian} 220249651Sadrian 221249651Sadrianstatic int 222249651Sadrianukswitch_detach(device_t dev) 223249651Sadrian{ 224249651Sadrian struct ukswitch_softc *sc = device_get_softc(dev); 225249651Sadrian int i, port; 226249651Sadrian 227249651Sadrian callout_drain(&sc->callout_tick); 228249651Sadrian 229249651Sadrian for (i=0; i < MII_NPHY; i++) { 230249651Sadrian if (((1 << i) & sc->phymask) == 0) 231249651Sadrian continue; 232249651Sadrian port = ukswitch_portforphy(sc, i); 233249651Sadrian if (sc->miibus[port] != NULL) 234249651Sadrian device_delete_child(dev, (*sc->miibus[port])); 235249651Sadrian if (sc->ifp[port] != NULL) 236249651Sadrian if_free(sc->ifp[port]); 237249651Sadrian free(sc->ifname[port], M_UKSWITCH); 238249651Sadrian free(sc->miibus[port], M_UKSWITCH); 239249651Sadrian } 240249651Sadrian 241249651Sadrian free(sc->portphy, M_UKSWITCH); 242249651Sadrian free(sc->miibus, M_UKSWITCH); 243249651Sadrian free(sc->ifname, M_UKSWITCH); 244249651Sadrian free(sc->ifp, M_UKSWITCH); 245249651Sadrian 246249651Sadrian bus_generic_detach(dev); 247249651Sadrian mtx_destroy(&sc->sc_mtx); 248249651Sadrian 249249651Sadrian return (0); 250249651Sadrian} 251249651Sadrian 252249651Sadrian/* 253249651Sadrian * Convert PHY number to port number. 254249651Sadrian */ 255249651Sadrianstatic inline int 256249651Sadrianukswitch_portforphy(struct ukswitch_softc *sc, int phy) 257249651Sadrian{ 258249651Sadrian 259249651Sadrian return (sc->ifpport[phy]); 260249651Sadrian} 261249651Sadrian 262249651Sadrianstatic inline struct mii_data * 263249651Sadrianukswitch_miiforport(struct ukswitch_softc *sc, int port) 264249651Sadrian{ 265249651Sadrian 266249651Sadrian if (port < 0 || port > sc->numports) 267249651Sadrian return (NULL); 268249651Sadrian return (device_get_softc(*sc->miibus[port])); 269249651Sadrian} 270249651Sadrian 271249651Sadrianstatic inline struct ifnet * 272249651Sadrianukswitch_ifpforport(struct ukswitch_softc *sc, int port) 273249651Sadrian{ 274249651Sadrian 275249651Sadrian if (port < 0 || port > sc->numports) 276249651Sadrian return (NULL); 277249651Sadrian return (sc->ifp[port]); 278249651Sadrian} 279249651Sadrian 280249651Sadrian/* 281249651Sadrian * Poll the status for all PHYs. 282249651Sadrian */ 283249651Sadrianstatic void 284249651Sadrianukswitch_miipollstat(struct ukswitch_softc *sc) 285249651Sadrian{ 286249651Sadrian int i, port; 287249651Sadrian struct mii_data *mii; 288249651Sadrian struct mii_softc *miisc; 289249651Sadrian 290249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 291249651Sadrian 292249651Sadrian for (i = 0; i < MII_NPHY; i++) { 293249651Sadrian if (((1 << i) & sc->phymask) == 0) 294249651Sadrian continue; 295249651Sadrian port = ukswitch_portforphy(sc, i); 296249651Sadrian if ((*sc->miibus[port]) == NULL) 297249651Sadrian continue; 298249651Sadrian mii = device_get_softc(*sc->miibus[port]); 299249651Sadrian LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 300249651Sadrian if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 301249651Sadrian miisc->mii_inst) 302249651Sadrian continue; 303249651Sadrian ukphy_status(miisc); 304249651Sadrian mii_phy_update(miisc, MII_POLLSTAT); 305249651Sadrian } 306249651Sadrian } 307249651Sadrian} 308249651Sadrian 309249651Sadrianstatic void 310249651Sadrianukswitch_tick(void *arg) 311249651Sadrian{ 312249651Sadrian struct ukswitch_softc *sc = arg; 313249651Sadrian 314249651Sadrian ukswitch_miipollstat(sc); 315249651Sadrian callout_reset(&sc->callout_tick, hz, ukswitch_tick, sc); 316249651Sadrian} 317249651Sadrian 318249651Sadrianstatic void 319249651Sadrianukswitch_lock(device_t dev) 320249651Sadrian{ 321249651Sadrian struct ukswitch_softc *sc = device_get_softc(dev); 322249651Sadrian 323249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 324249651Sadrian UKSWITCH_LOCK(sc); 325249651Sadrian} 326249651Sadrian 327249651Sadrianstatic void 328249651Sadrianukswitch_unlock(device_t dev) 329249651Sadrian{ 330249651Sadrian struct ukswitch_softc *sc = device_get_softc(dev); 331249651Sadrian 332249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_OWNED); 333249651Sadrian UKSWITCH_UNLOCK(sc); 334249651Sadrian} 335249651Sadrian 336249651Sadrianstatic etherswitch_info_t * 337249651Sadrianukswitch_getinfo(device_t dev) 338249651Sadrian{ 339249651Sadrian struct ukswitch_softc *sc = device_get_softc(dev); 340249651Sadrian 341249651Sadrian return (&sc->info); 342249651Sadrian} 343249651Sadrian 344249651Sadrianstatic int 345249651Sadrianukswitch_getport(device_t dev, etherswitch_port_t *p) 346249651Sadrian{ 347249651Sadrian struct ukswitch_softc *sc = device_get_softc(dev); 348249651Sadrian struct mii_data *mii; 349249651Sadrian struct ifmediareq *ifmr = &p->es_ifmr; 350250384Sadrian int err, phy; 351249651Sadrian 352249651Sadrian if (p->es_port < 0 || p->es_port >= sc->numports) 353249651Sadrian return (ENXIO); 354250384Sadrian p->es_pvid = 0; 355249651Sadrian 356250384Sadrian phy = sc->portphy[p->es_port]; 357249651Sadrian mii = ukswitch_miiforport(sc, p->es_port); 358250384Sadrian if (sc->cpuport != -1 && phy == sc->cpuport) { 359249651Sadrian /* fill in fixed values for CPU port */ 360250384Sadrian p->es_flags |= ETHERSWITCH_PORT_CPU; 361249651Sadrian ifmr->ifm_count = 0; 362249651Sadrian if (sc->media == 100) 363249651Sadrian ifmr->ifm_current = ifmr->ifm_active = 364249651Sadrian IFM_ETHER | IFM_100_TX | IFM_FDX; 365249651Sadrian else 366249651Sadrian ifmr->ifm_current = ifmr->ifm_active = 367249651Sadrian IFM_ETHER | IFM_1000_T | IFM_FDX; 368249651Sadrian ifmr->ifm_mask = 0; 369249651Sadrian ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 370249651Sadrian } else if (mii != NULL) { 371249651Sadrian err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 372249651Sadrian &mii->mii_media, SIOCGIFMEDIA); 373249651Sadrian if (err) 374249651Sadrian return (err); 375249651Sadrian } else { 376249651Sadrian return (ENXIO); 377249651Sadrian } 378249651Sadrian return (0); 379249651Sadrian} 380249651Sadrian 381249651Sadrianstatic int 382249651Sadrianukswitch_setport(device_t dev, etherswitch_port_t *p) 383249651Sadrian{ 384249651Sadrian struct ukswitch_softc *sc = device_get_softc(dev); 385249651Sadrian struct ifmedia *ifm; 386249651Sadrian struct mii_data *mii; 387249651Sadrian struct ifnet *ifp; 388249651Sadrian int err; 389249651Sadrian 390249651Sadrian if (p->es_port < 0 || p->es_port >= sc->numports) 391249651Sadrian return (ENXIO); 392249651Sadrian 393249651Sadrian if (sc->portphy[p->es_port] == sc->cpuport) 394249651Sadrian return (ENXIO); 395249651Sadrian 396249651Sadrian mii = ukswitch_miiforport(sc, p->es_port); 397249651Sadrian if (mii == NULL) 398249651Sadrian return (ENXIO); 399249651Sadrian 400249651Sadrian ifp = ukswitch_ifpforport(sc, p->es_port); 401249651Sadrian 402249651Sadrian ifm = &mii->mii_media; 403249651Sadrian err = ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA); 404249651Sadrian return (err); 405249651Sadrian} 406249651Sadrian 407249651Sadrianstatic int 408249651Sadrianukswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *vg) 409249651Sadrian{ 410249651Sadrian 411249651Sadrian /* Not supported. */ 412249651Sadrian vg->es_vid = 0; 413249651Sadrian vg->es_member_ports = 0; 414249651Sadrian vg->es_untagged_ports = 0; 415249651Sadrian vg->es_fid = 0; 416249651Sadrian return (0); 417249651Sadrian} 418249651Sadrian 419249651Sadrianstatic int 420249651Sadrianukswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *vg) 421249651Sadrian{ 422249651Sadrian 423249651Sadrian /* Not supported. */ 424249651Sadrian return (0); 425249651Sadrian} 426249651Sadrian 427249651Sadrianstatic void 428249651Sadrianukswitch_statchg(device_t dev) 429249651Sadrian{ 430249651Sadrian 431249651Sadrian DPRINTF(dev, "%s\n", __func__); 432249651Sadrian} 433249651Sadrian 434249651Sadrianstatic int 435249651Sadrianukswitch_ifmedia_upd(struct ifnet *ifp) 436249651Sadrian{ 437249651Sadrian struct ukswitch_softc *sc = ifp->if_softc; 438249651Sadrian struct mii_data *mii = ukswitch_miiforport(sc, ifp->if_dunit); 439249651Sadrian 440249651Sadrian DPRINTF(sc->sc_dev, "%s\n", __func__); 441249651Sadrian if (mii == NULL) 442249651Sadrian return (ENXIO); 443249651Sadrian mii_mediachg(mii); 444249651Sadrian return (0); 445249651Sadrian} 446249651Sadrian 447249651Sadrianstatic void 448249651Sadrianukswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 449249651Sadrian{ 450249651Sadrian struct ukswitch_softc *sc = ifp->if_softc; 451249651Sadrian struct mii_data *mii = ukswitch_miiforport(sc, ifp->if_dunit); 452249651Sadrian 453249651Sadrian DPRINTF(sc->sc_dev, "%s\n", __func__); 454249651Sadrian 455249651Sadrian if (mii == NULL) 456249651Sadrian return; 457249651Sadrian mii_pollstat(mii); 458249651Sadrian ifmr->ifm_active = mii->mii_media_active; 459249651Sadrian ifmr->ifm_status = mii->mii_media_status; 460249651Sadrian} 461249651Sadrian 462249651Sadrianstatic int 463249651Sadrianukswitch_readphy(device_t dev, int phy, int reg) 464249651Sadrian{ 465249651Sadrian struct ukswitch_softc *sc; 466249651Sadrian int data; 467249651Sadrian 468249651Sadrian sc = device_get_softc(dev); 469249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 470249651Sadrian 471249651Sadrian if (phy < 0 || phy >= 32) 472249651Sadrian return (ENXIO); 473249651Sadrian if (reg < 0 || reg >= 32) 474249651Sadrian return (ENXIO); 475249651Sadrian 476249651Sadrian UKSWITCH_LOCK(sc); 477249651Sadrian data = MDIO_READREG(device_get_parent(dev), phy, reg); 478249651Sadrian UKSWITCH_UNLOCK(sc); 479249651Sadrian 480249651Sadrian return (data); 481249651Sadrian} 482249651Sadrian 483249651Sadrianstatic int 484249651Sadrianukswitch_writephy(device_t dev, int phy, int reg, int data) 485249651Sadrian{ 486249651Sadrian struct ukswitch_softc *sc; 487249651Sadrian int err; 488249651Sadrian 489249651Sadrian sc = device_get_softc(dev); 490249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 491249651Sadrian 492249651Sadrian if (phy < 0 || phy >= 32) 493249651Sadrian return (ENXIO); 494249651Sadrian if (reg < 0 || reg >= 32) 495249651Sadrian return (ENXIO); 496249651Sadrian 497249651Sadrian UKSWITCH_LOCK(sc); 498249651Sadrian err = MDIO_WRITEREG(device_get_parent(dev), phy, reg, data); 499249651Sadrian UKSWITCH_UNLOCK(sc); 500249651Sadrian 501249651Sadrian return (err); 502249651Sadrian} 503249651Sadrian 504249651Sadrianstatic int 505249651Sadrianukswitch_readreg(device_t dev, int addr) 506249651Sadrian{ 507249651Sadrian struct ukswitch_softc *sc; 508249651Sadrian 509249651Sadrian sc = device_get_softc(dev); 510249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_OWNED); 511249651Sadrian 512249651Sadrian /* Not supported. */ 513249651Sadrian return (0); 514249651Sadrian} 515249651Sadrian 516249651Sadrianstatic int 517249651Sadrianukswitch_writereg(device_t dev, int addr, int value) 518249651Sadrian{ 519249651Sadrian struct ukswitch_softc *sc; 520249651Sadrian 521249651Sadrian sc = device_get_softc(dev); 522249651Sadrian UKSWITCH_LOCK_ASSERT(sc, MA_OWNED); 523249651Sadrian 524249651Sadrian /* Not supported. */ 525249651Sadrian return (0); 526249651Sadrian} 527249651Sadrian 528249651Sadrianstatic device_method_t ukswitch_methods[] = { 529249651Sadrian /* Device interface */ 530249651Sadrian DEVMETHOD(device_probe, ukswitch_probe), 531249651Sadrian DEVMETHOD(device_attach, ukswitch_attach), 532249651Sadrian DEVMETHOD(device_detach, ukswitch_detach), 533249651Sadrian 534249651Sadrian /* bus interface */ 535249651Sadrian DEVMETHOD(bus_add_child, device_add_child_ordered), 536249651Sadrian 537249651Sadrian /* MII interface */ 538249651Sadrian DEVMETHOD(miibus_readreg, ukswitch_readphy), 539249651Sadrian DEVMETHOD(miibus_writereg, ukswitch_writephy), 540249651Sadrian DEVMETHOD(miibus_statchg, ukswitch_statchg), 541249651Sadrian 542249651Sadrian /* MDIO interface */ 543249651Sadrian DEVMETHOD(mdio_readreg, ukswitch_readphy), 544249651Sadrian DEVMETHOD(mdio_writereg, ukswitch_writephy), 545249651Sadrian 546249651Sadrian /* etherswitch interface */ 547249651Sadrian DEVMETHOD(etherswitch_lock, ukswitch_lock), 548249651Sadrian DEVMETHOD(etherswitch_unlock, ukswitch_unlock), 549249651Sadrian DEVMETHOD(etherswitch_getinfo, ukswitch_getinfo), 550249651Sadrian DEVMETHOD(etherswitch_readreg, ukswitch_readreg), 551249651Sadrian DEVMETHOD(etherswitch_writereg, ukswitch_writereg), 552249651Sadrian DEVMETHOD(etherswitch_readphyreg, ukswitch_readphy), 553249651Sadrian DEVMETHOD(etherswitch_writephyreg, ukswitch_writephy), 554249651Sadrian DEVMETHOD(etherswitch_getport, ukswitch_getport), 555249651Sadrian DEVMETHOD(etherswitch_setport, ukswitch_setport), 556249651Sadrian DEVMETHOD(etherswitch_getvgroup, ukswitch_getvgroup), 557249651Sadrian DEVMETHOD(etherswitch_setvgroup, ukswitch_setvgroup), 558249651Sadrian 559249651Sadrian DEVMETHOD_END 560249651Sadrian}; 561249651Sadrian 562249651SadrianDEFINE_CLASS_0(ukswitch, ukswitch_driver, ukswitch_methods, 563249651Sadrian sizeof(struct ukswitch_softc)); 564249651Sadrianstatic devclass_t ukswitch_devclass; 565249651Sadrian 566249651SadrianDRIVER_MODULE(ukswitch, mdio, ukswitch_driver, ukswitch_devclass, 0, 0); 567249651SadrianDRIVER_MODULE(miibus, ukswitch, miibus_driver, miibus_devclass, 0, 0); 568249651SadrianDRIVER_MODULE(mdio, ukswitch, mdio_driver, mdio_devclass, 0, 0); 569249651SadrianDRIVER_MODULE(etherswitch, ukswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 570249651SadrianMODULE_VERSION(ukswitch, 1); 571249651SadrianMODULE_DEPEND(ukswitch, miibus, 1, 1, 1); /* XXX which versions? */ 572249651SadrianMODULE_DEPEND(ukswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 573