arswitch.c revision 262681
1/*- 2 * Copyright (c) 2011-2012 Stefan Bethke. 3 * Copyright (c) 2012 Adrian Chadd. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD: head/sys/dev/etherswitch/arswitch/arswitch.c 262681 2014-03-02 05:48:56Z adrian $ 28 */ 29 30#include <sys/param.h> 31#include <sys/bus.h> 32#include <sys/errno.h> 33#include <sys/kernel.h> 34#include <sys/malloc.h> 35#include <sys/module.h> 36#include <sys/socket.h> 37#include <sys/sockio.h> 38#include <sys/sysctl.h> 39#include <sys/systm.h> 40 41#include <net/if.h> 42#include <net/if_var.h> 43#include <net/if_arp.h> 44#include <net/ethernet.h> 45#include <net/if_dl.h> 46#include <net/if_media.h> 47#include <net/if_types.h> 48 49#include <machine/bus.h> 50#include <dev/iicbus/iic.h> 51#include <dev/iicbus/iiconf.h> 52#include <dev/iicbus/iicbus.h> 53#include <dev/mii/mii.h> 54#include <dev/mii/miivar.h> 55#include <dev/etherswitch/mdio.h> 56 57#include <dev/etherswitch/etherswitch.h> 58 59#include <dev/etherswitch/arswitch/arswitchreg.h> 60#include <dev/etherswitch/arswitch/arswitchvar.h> 61#include <dev/etherswitch/arswitch/arswitch_reg.h> 62#include <dev/etherswitch/arswitch/arswitch_phy.h> 63#include <dev/etherswitch/arswitch/arswitch_vlans.h> 64 65#include <dev/etherswitch/arswitch/arswitch_7240.h> 66#include <dev/etherswitch/arswitch/arswitch_8216.h> 67#include <dev/etherswitch/arswitch/arswitch_8226.h> 68#include <dev/etherswitch/arswitch/arswitch_8316.h> 69#include <dev/etherswitch/arswitch/arswitch_8327.h> 70#include <dev/etherswitch/arswitch/arswitch_9340.h> 71 72#include "mdio_if.h" 73#include "miibus_if.h" 74#include "etherswitch_if.h" 75 76#if defined(DEBUG) 77static SYSCTL_NODE(_debug, OID_AUTO, arswitch, CTLFLAG_RD, 0, "arswitch"); 78#endif 79 80static inline int arswitch_portforphy(int phy); 81static void arswitch_tick(void *arg); 82static int arswitch_ifmedia_upd(struct ifnet *); 83static void arswitch_ifmedia_sts(struct ifnet *, struct ifmediareq *); 84static int ar8xxx_port_vlan_setup(struct arswitch_softc *sc, 85 etherswitch_port_t *p); 86static int ar8xxx_port_vlan_get(struct arswitch_softc *sc, 87 etherswitch_port_t *p); 88 89static int 90arswitch_probe(device_t dev) 91{ 92 struct arswitch_softc *sc; 93 uint32_t id; 94 char *chipname, desc[256]; 95 96 sc = device_get_softc(dev); 97 bzero(sc, sizeof(*sc)); 98 sc->page = -1; 99 100 /* AR7240 probe */ 101 if (ar7240_probe(dev) == 0) { 102 chipname = "AR7240"; 103 sc->sc_switchtype = AR8X16_SWITCH_AR7240; 104 sc->is_internal_switch = 1; 105 id = 0; 106 goto done; 107 } 108 109 /* AR9340 probe */ 110 if (ar9340_probe(dev) == 0) { 111 chipname = "AR9340"; 112 sc->sc_switchtype = AR8X16_SWITCH_AR9340; 113 sc->is_internal_switch = 1; 114 id = 0; 115 goto done; 116 } 117 118 /* AR8xxx probe */ 119 id = arswitch_readreg(dev, AR8X16_REG_MASK_CTRL); 120 sc->chip_rev = (id & AR8X16_MASK_CTRL_REV_MASK); 121 sc->chip_ver = (id & AR8X16_MASK_CTRL_VER_MASK) > AR8X16_MASK_CTRL_VER_SHIFT; 122 switch (id & (AR8X16_MASK_CTRL_VER_MASK | AR8X16_MASK_CTRL_REV_MASK)) { 123 case 0x0101: 124 chipname = "AR8216"; 125 sc->sc_switchtype = AR8X16_SWITCH_AR8216; 126 break; 127 case 0x0201: 128 chipname = "AR8226"; 129 sc->sc_switchtype = AR8X16_SWITCH_AR8226; 130 break; 131 /* 0x0301 - AR8236 */ 132 case 0x1000: 133 case 0x1001: 134 chipname = "AR8316"; 135 sc->sc_switchtype = AR8X16_SWITCH_AR8316; 136 break; 137 case 0x1202: 138 chipname = "AR8327"; 139 sc->sc_switchtype = AR8X16_SWITCH_AR8327; 140 sc->mii_lo_first = 1; 141 break; 142 default: 143 chipname = NULL; 144 } 145 146done: 147 148 DPRINTF(dev, "chipname=%s, id=%08x\n", chipname, id); 149 if (chipname != NULL) { 150 snprintf(desc, sizeof(desc), 151 "Atheros %s Ethernet Switch", 152 chipname); 153 device_set_desc_copy(dev, desc); 154 return (BUS_PROBE_DEFAULT); 155 } 156 return (ENXIO); 157} 158 159static int 160arswitch_attach_phys(struct arswitch_softc *sc) 161{ 162 int phy, err = 0; 163 char name[IFNAMSIZ]; 164 165 /* PHYs need an interface, so we generate a dummy one */ 166 snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); 167 for (phy = 0; phy < sc->numphys; phy++) { 168 sc->ifp[phy] = if_alloc(IFT_ETHER); 169 sc->ifp[phy]->if_softc = sc; 170 sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST | 171 IFF_DRV_RUNNING | IFF_SIMPLEX; 172 sc->ifname[phy] = malloc(strlen(name)+1, M_DEVBUF, M_WAITOK); 173 bcopy(name, sc->ifname[phy], strlen(name)+1); 174 if_initname(sc->ifp[phy], sc->ifname[phy], 175 arswitch_portforphy(phy)); 176 err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy], 177 arswitch_ifmedia_upd, arswitch_ifmedia_sts, \ 178 BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 179 DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", 180 device_get_nameunit(sc->miibus[phy]), 181 sc->ifp[phy]->if_xname); 182 if (err != 0) { 183 device_printf(sc->sc_dev, 184 "attaching PHY %d failed\n", 185 phy); 186 } 187 } 188 return (err); 189} 190 191static int 192arswitch_reset(device_t dev) 193{ 194 195 arswitch_writereg(dev, AR8X16_REG_MASK_CTRL, 196 AR8X16_MASK_CTRL_SOFT_RESET); 197 DELAY(1000); 198 if (arswitch_readreg(dev, AR8X16_REG_MASK_CTRL) & 199 AR8X16_MASK_CTRL_SOFT_RESET) { 200 device_printf(dev, "unable to reset switch\n"); 201 return (-1); 202 } 203 return (0); 204} 205 206static int 207arswitch_set_vlan_mode(struct arswitch_softc *sc, uint32_t mode) 208{ 209 210 /* Check for invalid modes. */ 211 if ((mode & sc->info.es_vlan_caps) != mode) 212 return (EINVAL); 213 214 switch (mode) { 215 case ETHERSWITCH_VLAN_DOT1Q: 216 sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q; 217 break; 218 case ETHERSWITCH_VLAN_PORT: 219 sc->vlan_mode = ETHERSWITCH_VLAN_PORT; 220 break; 221 default: 222 sc->vlan_mode = 0; 223 }; 224 225 /* Reset VLANs. */ 226 sc->hal.arswitch_vlan_init_hw(sc); 227 228 return (0); 229} 230 231static void 232ar8xxx_port_init(struct arswitch_softc *sc, int port) 233{ 234 235 /* Port0 - CPU */ 236 if (port == AR8X16_PORT_CPU) { 237 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(0), 238 (AR8X16_IS_SWITCH(sc, AR8216) ? 239 AR8X16_PORT_STS_SPEED_100 : AR8X16_PORT_STS_SPEED_1000) | 240 (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_RXFLOW) | 241 (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_TXFLOW) | 242 AR8X16_PORT_STS_RXMAC | 243 AR8X16_PORT_STS_TXMAC | 244 AR8X16_PORT_STS_DUPLEX); 245 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0), 246 arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0)) & 247 ~AR8X16_PORT_CTRL_HEADER); 248 } else { 249 /* Set ports to auto negotiation. */ 250 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(port), 251 AR8X16_PORT_STS_LINK_AUTO); 252 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port), 253 arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port)) & 254 ~AR8X16_PORT_CTRL_HEADER); 255 } 256} 257 258static int 259ar8xxx_atu_flush(struct arswitch_softc *sc) 260{ 261 int ret; 262 263 ret = arswitch_waitreg(sc->sc_dev, 264 AR8216_REG_ATU, 265 AR8216_ATU_ACTIVE, 266 0, 267 1000); 268 269 if (ret) 270 device_printf(sc->sc_dev, "%s: waitreg failed\n", __func__); 271 272 if (!ret) 273 arswitch_writereg(sc->sc_dev, 274 AR8216_REG_ATU, 275 AR8216_ATU_OP_FLUSH); 276 277 return (ret); 278} 279 280static int 281arswitch_attach(device_t dev) 282{ 283 struct arswitch_softc *sc; 284 int err = 0; 285 int port; 286 287 sc = device_get_softc(dev); 288 289 /* sc->sc_switchtype is already decided in arswitch_probe() */ 290 sc->sc_dev = dev; 291 mtx_init(&sc->sc_mtx, "arswitch", NULL, MTX_DEF); 292 sc->page = -1; 293 strlcpy(sc->info.es_name, device_get_desc(dev), 294 sizeof(sc->info.es_name)); 295 296 /* Default HAL methods */ 297 sc->hal.arswitch_port_init = ar8xxx_port_init; 298 sc->hal.arswitch_port_vlan_setup = ar8xxx_port_vlan_setup; 299 sc->hal.arswitch_port_vlan_get = ar8xxx_port_vlan_get; 300 sc->hal.arswitch_vlan_init_hw = ar8xxx_reset_vlans; 301 sc->hal.arswitch_vlan_getvgroup = ar8xxx_getvgroup; 302 sc->hal.arswitch_vlan_setvgroup = ar8xxx_setvgroup; 303 sc->hal.arswitch_vlan_get_pvid = ar8xxx_get_pvid; 304 sc->hal.arswitch_vlan_set_pvid = ar8xxx_set_pvid; 305 sc->hal.arswitch_atu_flush = ar8xxx_atu_flush; 306 307 /* 308 * Attach switch related functions 309 */ 310 if (AR8X16_IS_SWITCH(sc, AR7240)) 311 ar7240_attach(sc); 312 else if (AR8X16_IS_SWITCH(sc, AR9340)) 313 ar9340_attach(sc); 314 else if (AR8X16_IS_SWITCH(sc, AR8216)) 315 ar8216_attach(sc); 316 else if (AR8X16_IS_SWITCH(sc, AR8226)) 317 ar8226_attach(sc); 318 else if (AR8X16_IS_SWITCH(sc, AR8316)) 319 ar8316_attach(sc); 320 else if (AR8X16_IS_SWITCH(sc, AR8327)) 321 ar8327_attach(sc); 322 else 323 return (ENXIO); 324 325 /* Common defaults. */ 326 sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */ 327 328 /* XXX Defaults for externally connected AR8316 */ 329 sc->numphys = 4; 330 sc->phy4cpu = 1; 331 sc->is_rgmii = 1; 332 sc->is_gmii = 0; 333 sc->is_mii = 0; 334 335 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 336 "numphys", &sc->numphys); 337 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 338 "phy4cpu", &sc->phy4cpu); 339 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 340 "is_rgmii", &sc->is_rgmii); 341 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 342 "is_gmii", &sc->is_gmii); 343 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 344 "is_mii", &sc->is_mii); 345 346 if (sc->numphys > AR8X16_NUM_PHYS) 347 sc->numphys = AR8X16_NUM_PHYS; 348 349 /* Reset the switch. */ 350 if (arswitch_reset(dev)) 351 return (ENXIO); 352 353 err = sc->hal.arswitch_hw_setup(sc); 354 if (err != 0) 355 return (err); 356 357 err = sc->hal.arswitch_hw_global_setup(sc); 358 if (err != 0) 359 return (err); 360 361 /* Initialize the switch ports. */ 362 for (port = 0; port <= sc->numphys; port++) { 363 sc->hal.arswitch_port_init(sc, port); 364 } 365 366 /* 367 * Attach the PHYs and complete the bus enumeration. 368 */ 369 err = arswitch_attach_phys(sc); 370 if (err != 0) 371 return (err); 372 373 /* Default to ingress filters off. */ 374 err = arswitch_set_vlan_mode(sc, 0); 375 if (err != 0) 376 return (err); 377 378 bus_generic_probe(dev); 379 bus_enumerate_hinted_children(dev); 380 err = bus_generic_attach(dev); 381 if (err != 0) 382 return (err); 383 384 callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0); 385 386 ARSWITCH_LOCK(sc); 387 arswitch_tick(sc); 388 ARSWITCH_UNLOCK(sc); 389 390 return (err); 391} 392 393static int 394arswitch_detach(device_t dev) 395{ 396 struct arswitch_softc *sc = device_get_softc(dev); 397 int i; 398 399 callout_drain(&sc->callout_tick); 400 401 for (i=0; i < sc->numphys; i++) { 402 if (sc->miibus[i] != NULL) 403 device_delete_child(dev, sc->miibus[i]); 404 if (sc->ifp[i] != NULL) 405 if_free(sc->ifp[i]); 406 free(sc->ifname[i], M_DEVBUF); 407 } 408 409 bus_generic_detach(dev); 410 mtx_destroy(&sc->sc_mtx); 411 412 return (0); 413} 414 415/* 416 * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to 417 * port 2, etc. 418 */ 419static inline int 420arswitch_portforphy(int phy) 421{ 422 return (phy+1); 423} 424 425static inline struct mii_data * 426arswitch_miiforport(struct arswitch_softc *sc, int port) 427{ 428 int phy = port-1; 429 430 if (phy < 0 || phy >= sc->numphys) 431 return (NULL); 432 return (device_get_softc(sc->miibus[phy])); 433} 434 435static inline struct ifnet * 436arswitch_ifpforport(struct arswitch_softc *sc, int port) 437{ 438 int phy = port-1; 439 440 if (phy < 0 || phy >= sc->numphys) 441 return (NULL); 442 return (sc->ifp[phy]); 443} 444 445/* 446 * Convert port status to ifmedia. 447 */ 448static void 449arswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active) 450{ 451 *media_active = IFM_ETHER; 452 *media_status = IFM_AVALID; 453 454 if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0) 455 *media_status |= IFM_ACTIVE; 456 else { 457 *media_active |= IFM_NONE; 458 return; 459 } 460 switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) { 461 case AR8X16_PORT_STS_SPEED_10: 462 *media_active |= IFM_10_T; 463 break; 464 case AR8X16_PORT_STS_SPEED_100: 465 *media_active |= IFM_100_TX; 466 break; 467 case AR8X16_PORT_STS_SPEED_1000: 468 *media_active |= IFM_1000_T; 469 break; 470 } 471 if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0) 472 *media_active |= IFM_FDX; 473 else 474 *media_active |= IFM_HDX; 475 if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0) 476 *media_active |= IFM_ETH_TXPAUSE; 477 if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0) 478 *media_active |= IFM_ETH_RXPAUSE; 479} 480 481/* 482 * Poll the status for all PHYs. We're using the switch port status because 483 * thats a lot quicker to read than talking to all the PHYs. Care must be 484 * taken that the resulting ifmedia_active is identical to what the PHY will 485 * compute, or gratuitous link status changes will occur whenever the PHYs 486 * update function is called. 487 */ 488static void 489arswitch_miipollstat(struct arswitch_softc *sc) 490{ 491 int i; 492 struct mii_data *mii; 493 struct mii_softc *miisc; 494 int portstatus; 495 int port_flap = 0; 496 497 ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 498 499 for (i = 0; i < sc->numphys; i++) { 500 if (sc->miibus[i] == NULL) 501 continue; 502 mii = device_get_softc(sc->miibus[i]); 503 /* XXX This would be nice to have abstracted out to be per-chip */ 504 /* AR8327/AR8337 has a different register base */ 505 if (AR8X16_IS_SWITCH(sc, AR8327)) 506 portstatus = arswitch_readreg(sc->sc_dev, 507 AR8327_REG_PORT_STATUS(arswitch_portforphy(i))); 508 else 509 portstatus = arswitch_readreg(sc->sc_dev, 510 AR8X16_REG_PORT_STS(arswitch_portforphy(i))); 511#if 0 512 DPRINTF(sc->sc_dev, "p[%d]=%b\n", 513 i, 514 portstatus, 515 "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7" 516 "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE"); 517#endif 518 /* 519 * If the current status is down, but we have a link 520 * status showing up, we need to do an ATU flush. 521 */ 522 if ((mii->mii_media_status & IFM_ACTIVE) == 0 && 523 (portstatus & AR8X16_PORT_STS_LINK_UP) != 0) { 524 device_printf(sc->sc_dev, "%s: port %d: port -> UP\n", 525 __func__, 526 i); 527 port_flap = 1; 528 } 529 /* 530 * and maybe if a port goes up->down? 531 */ 532 if ((mii->mii_media_status & IFM_ACTIVE) != 0 && 533 (portstatus & AR8X16_PORT_STS_LINK_UP) == 0) { 534 device_printf(sc->sc_dev, "%s: port %d: port -> DOWN\n", 535 __func__, 536 i); 537 port_flap = 1; 538 } 539 arswitch_update_ifmedia(portstatus, &mii->mii_media_status, 540 &mii->mii_media_active); 541 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 542 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 543 miisc->mii_inst) 544 continue; 545 mii_phy_update(miisc, MII_POLLSTAT); 546 } 547 } 548 549 /* If a port went from down->up, flush the ATU */ 550 if (port_flap) 551 sc->hal.arswitch_atu_flush(sc); 552} 553 554static void 555arswitch_tick(void *arg) 556{ 557 struct arswitch_softc *sc = arg; 558 559 arswitch_miipollstat(sc); 560 callout_reset(&sc->callout_tick, hz, arswitch_tick, sc); 561} 562 563static void 564arswitch_lock(device_t dev) 565{ 566 struct arswitch_softc *sc = device_get_softc(dev); 567 568 ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 569 ARSWITCH_LOCK(sc); 570} 571 572static void 573arswitch_unlock(device_t dev) 574{ 575 struct arswitch_softc *sc = device_get_softc(dev); 576 577 ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 578 ARSWITCH_UNLOCK(sc); 579} 580 581static etherswitch_info_t * 582arswitch_getinfo(device_t dev) 583{ 584 struct arswitch_softc *sc = device_get_softc(dev); 585 586 return (&sc->info); 587} 588 589static int 590ar8xxx_port_vlan_get(struct arswitch_softc *sc, etherswitch_port_t *p) 591{ 592 uint32_t reg; 593 594 ARSWITCH_LOCK(sc); 595 596 /* Retrieve the PVID. */ 597 sc->hal.arswitch_vlan_get_pvid(sc, p->es_port, &p->es_pvid); 598 599 /* Port flags. */ 600 reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port)); 601 if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG) 602 p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG; 603 reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 604 if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD) 605 p->es_flags |= ETHERSWITCH_PORT_ADDTAG; 606 if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP) 607 p->es_flags |= ETHERSWITCH_PORT_STRIPTAG; 608 ARSWITCH_UNLOCK(sc); 609 610 return (0); 611} 612 613static int 614arswitch_getport(device_t dev, etherswitch_port_t *p) 615{ 616 struct arswitch_softc *sc; 617 struct mii_data *mii; 618 struct ifmediareq *ifmr; 619 int err; 620 621 sc = device_get_softc(dev); 622 if (p->es_port < 0 || p->es_port > sc->numphys) 623 return (ENXIO); 624 625 err = sc->hal.arswitch_port_vlan_get(sc, p); 626 if (err != 0) 627 return (err); 628 629 mii = arswitch_miiforport(sc, p->es_port); 630 if (p->es_port == AR8X16_PORT_CPU) { 631 /* fill in fixed values for CPU port */ 632 /* XXX is this valid in all cases? */ 633 p->es_flags |= ETHERSWITCH_PORT_CPU; 634 ifmr = &p->es_ifmr; 635 ifmr->ifm_count = 0; 636 ifmr->ifm_current = ifmr->ifm_active = 637 IFM_ETHER | IFM_1000_T | IFM_FDX; 638 ifmr->ifm_mask = 0; 639 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 640 } else if (mii != NULL) { 641 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 642 &mii->mii_media, SIOCGIFMEDIA); 643 if (err) 644 return (err); 645 } else { 646 return (ENXIO); 647 } 648 return (0); 649} 650 651static int 652ar8xxx_port_vlan_setup(struct arswitch_softc *sc, etherswitch_port_t *p) 653{ 654 uint32_t reg; 655 int err; 656 657 ARSWITCH_LOCK(sc); 658 659 /* Set the PVID. */ 660 if (p->es_pvid != 0) 661 sc->hal.arswitch_vlan_set_pvid(sc, p->es_port, p->es_pvid); 662 663 /* Mutually exclusive. */ 664 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG && 665 p->es_flags & ETHERSWITCH_PORT_STRIPTAG) { 666 ARSWITCH_UNLOCK(sc); 667 return (EINVAL); 668 } 669 670 reg = 0; 671 if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG) 672 reg |= AR8X16_PORT_CTRL_DOUBLE_TAG; 673 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG) 674 reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD << 675 AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 676 if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG) 677 reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP << 678 AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 679 680 err = arswitch_modifyreg(sc->sc_dev, 681 AR8X16_REG_PORT_CTRL(p->es_port), 682 0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT | 683 AR8X16_PORT_CTRL_DOUBLE_TAG, reg); 684 685 ARSWITCH_UNLOCK(sc); 686 return (err); 687} 688 689static int 690arswitch_setport(device_t dev, etherswitch_port_t *p) 691{ 692 int err; 693 struct arswitch_softc *sc; 694 struct ifmedia *ifm; 695 struct mii_data *mii; 696 struct ifnet *ifp; 697 698 sc = device_get_softc(dev); 699 if (p->es_port < 0 || p->es_port > sc->numphys) 700 return (ENXIO); 701 702 /* Port flags. */ 703 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 704 err = sc->hal.arswitch_port_vlan_setup(sc, p); 705 if (err) 706 return (err); 707 } 708 709 /* Do not allow media changes on CPU port. */ 710 if (p->es_port == AR8X16_PORT_CPU) 711 return (0); 712 713 mii = arswitch_miiforport(sc, p->es_port); 714 if (mii == NULL) 715 return (ENXIO); 716 717 ifp = arswitch_ifpforport(sc, p->es_port); 718 719 ifm = &mii->mii_media; 720 return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 721} 722 723static void 724arswitch_statchg(device_t dev) 725{ 726 727 DPRINTF(dev, "%s\n", __func__); 728} 729 730static int 731arswitch_ifmedia_upd(struct ifnet *ifp) 732{ 733 struct arswitch_softc *sc = ifp->if_softc; 734 struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 735 736 if (mii == NULL) 737 return (ENXIO); 738 mii_mediachg(mii); 739 return (0); 740} 741 742static void 743arswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 744{ 745 struct arswitch_softc *sc = ifp->if_softc; 746 struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 747 748 DPRINTF(sc->sc_dev, "%s\n", __func__); 749 750 if (mii == NULL) 751 return; 752 mii_pollstat(mii); 753 ifmr->ifm_active = mii->mii_media_active; 754 ifmr->ifm_status = mii->mii_media_status; 755} 756 757static int 758arswitch_getconf(device_t dev, etherswitch_conf_t *conf) 759{ 760 struct arswitch_softc *sc; 761 762 sc = device_get_softc(dev); 763 764 /* Return the VLAN mode. */ 765 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 766 conf->vlan_mode = sc->vlan_mode; 767 768 return (0); 769} 770 771static int 772arswitch_setconf(device_t dev, etherswitch_conf_t *conf) 773{ 774 struct arswitch_softc *sc; 775 int err; 776 777 sc = device_get_softc(dev); 778 779 /* Set the VLAN mode. */ 780 if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 781 err = arswitch_set_vlan_mode(sc, conf->vlan_mode); 782 if (err != 0) 783 return (err); 784 } 785 786 return (0); 787} 788 789static int 790arswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e) 791{ 792 struct arswitch_softc *sc = device_get_softc(dev); 793 794 return (sc->hal.arswitch_vlan_getvgroup(sc, e)); 795} 796 797static int 798arswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e) 799{ 800 struct arswitch_softc *sc = device_get_softc(dev); 801 802 return (sc->hal.arswitch_vlan_setvgroup(sc, e)); 803} 804 805static device_method_t arswitch_methods[] = { 806 /* Device interface */ 807 DEVMETHOD(device_probe, arswitch_probe), 808 DEVMETHOD(device_attach, arswitch_attach), 809 DEVMETHOD(device_detach, arswitch_detach), 810 811 /* bus interface */ 812 DEVMETHOD(bus_add_child, device_add_child_ordered), 813 814 /* MII interface */ 815 DEVMETHOD(miibus_readreg, arswitch_readphy), 816 DEVMETHOD(miibus_writereg, arswitch_writephy), 817 DEVMETHOD(miibus_statchg, arswitch_statchg), 818 819 /* MDIO interface */ 820 DEVMETHOD(mdio_readreg, arswitch_readphy), 821 DEVMETHOD(mdio_writereg, arswitch_writephy), 822 823 /* etherswitch interface */ 824 DEVMETHOD(etherswitch_lock, arswitch_lock), 825 DEVMETHOD(etherswitch_unlock, arswitch_unlock), 826 DEVMETHOD(etherswitch_getinfo, arswitch_getinfo), 827 DEVMETHOD(etherswitch_readreg, arswitch_readreg), 828 DEVMETHOD(etherswitch_writereg, arswitch_writereg), 829 DEVMETHOD(etherswitch_readphyreg, arswitch_readphy), 830 DEVMETHOD(etherswitch_writephyreg, arswitch_writephy), 831 DEVMETHOD(etherswitch_getport, arswitch_getport), 832 DEVMETHOD(etherswitch_setport, arswitch_setport), 833 DEVMETHOD(etherswitch_getvgroup, arswitch_getvgroup), 834 DEVMETHOD(etherswitch_setvgroup, arswitch_setvgroup), 835 DEVMETHOD(etherswitch_getconf, arswitch_getconf), 836 DEVMETHOD(etherswitch_setconf, arswitch_setconf), 837 838 DEVMETHOD_END 839}; 840 841DEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods, 842 sizeof(struct arswitch_softc)); 843static devclass_t arswitch_devclass; 844 845DRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0); 846DRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0); 847DRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0); 848DRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 849MODULE_VERSION(arswitch, 1); 850MODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */ 851MODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 852