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 * $FreeBSD$ 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) 77 static SYSCTL_NODE(_debug, OID_AUTO, arswitch, CTLFLAG_RD, 0, "arswitch"); 78 #endif 79 80 static inline int arswitch_portforphy(int phy); 81 static void arswitch_tick(void *arg); 82 static int arswitch_ifmedia_upd(struct ifnet *); 83 static void arswitch_ifmedia_sts(struct ifnet *, struct ifmediareq *); 84 static int ar8xxx_port_vlan_setup(struct arswitch_softc *sc, 85 etherswitch_port_t *p); 86 static int ar8xxx_port_vlan_get(struct arswitch_softc *sc, 87 etherswitch_port_t *p); 88 89 static int 90 arswitch_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 case 0x1204: 139 chipname = "AR8327"; 140 sc->sc_switchtype = AR8X16_SWITCH_AR8327; 141 sc->mii_lo_first = 1; 142 break; 143 default: 144 chipname = NULL; 145 } 146 147 done: 148 149 DPRINTF(dev, "chipname=%s, id=%08x\n", chipname, id); 150 if (chipname != NULL) { 151 snprintf(desc, sizeof(desc), 152 "Atheros %s Ethernet Switch (ver %d rev %d)", 153 chipname, 154 sc->chip_ver, 155 sc->chip_rev); 156 device_set_desc_copy(dev, desc); 157 return (BUS_PROBE_DEFAULT); 158 } 159 return (ENXIO); 160 } 161 162 static int 163 arswitch_attach_phys(struct arswitch_softc *sc) 164 { 165 int phy, err = 0; 166 char name[IFNAMSIZ]; 167 168 /* PHYs need an interface, so we generate a dummy one */ 169 snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->sc_dev)); 170 for (phy = 0; phy < sc->numphys; phy++) { 171 sc->ifp[phy] = if_alloc(IFT_ETHER); 172 sc->ifp[phy]->if_softc = sc; 173 sc->ifp[phy]->if_flags |= IFF_UP | IFF_BROADCAST | 174 IFF_DRV_RUNNING | IFF_SIMPLEX; 175 sc->ifname[phy] = malloc(strlen(name)+1, M_DEVBUF, M_WAITOK); 176 bcopy(name, sc->ifname[phy], strlen(name)+1); 177 if_initname(sc->ifp[phy], sc->ifname[phy], 178 arswitch_portforphy(phy)); 179 err = mii_attach(sc->sc_dev, &sc->miibus[phy], sc->ifp[phy], 180 arswitch_ifmedia_upd, arswitch_ifmedia_sts, \ 181 BMSR_DEFCAPMASK, phy, MII_OFFSET_ANY, 0); 182 #if 0 183 DPRINTF(sc->sc_dev, "%s attached to pseudo interface %s\n", 184 device_get_nameunit(sc->miibus[phy]), 185 sc->ifp[phy]->if_xname); 186 #endif 187 if (err != 0) { 188 device_printf(sc->sc_dev, 189 "attaching PHY %d failed\n", 190 phy); 191 } 192 } 193 return (err); 194 } 195 196 static int 197 arswitch_reset(device_t dev) 198 { 199 200 arswitch_writereg(dev, AR8X16_REG_MASK_CTRL, 201 AR8X16_MASK_CTRL_SOFT_RESET); 202 DELAY(1000); 203 if (arswitch_readreg(dev, AR8X16_REG_MASK_CTRL) & 204 AR8X16_MASK_CTRL_SOFT_RESET) { 205 device_printf(dev, "unable to reset switch\n"); 206 return (-1); 207 } 208 return (0); 209 } 210 211 static int 212 arswitch_set_vlan_mode(struct arswitch_softc *sc, uint32_t mode) 213 { 214 215 /* Check for invalid modes. */ 216 if ((mode & sc->info.es_vlan_caps) != mode) 217 return (EINVAL); 218 219 switch (mode) { 220 case ETHERSWITCH_VLAN_DOT1Q: 221 sc->vlan_mode = ETHERSWITCH_VLAN_DOT1Q; 222 break; 223 case ETHERSWITCH_VLAN_PORT: 224 sc->vlan_mode = ETHERSWITCH_VLAN_PORT; 225 break; 226 default: 227 sc->vlan_mode = 0; 228 }; 229 230 /* Reset VLANs. */ 231 sc->hal.arswitch_vlan_init_hw(sc); 232 233 return (0); 234 } 235 236 static void 237 ar8xxx_port_init(struct arswitch_softc *sc, int port) 238 { 239 240 /* Port0 - CPU */ 241 if (port == AR8X16_PORT_CPU) { 242 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(0), 243 (AR8X16_IS_SWITCH(sc, AR8216) ? 244 AR8X16_PORT_STS_SPEED_100 : AR8X16_PORT_STS_SPEED_1000) | 245 (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_RXFLOW) | 246 (AR8X16_IS_SWITCH(sc, AR8216) ? 0 : AR8X16_PORT_STS_TXFLOW) | 247 AR8X16_PORT_STS_RXMAC | 248 AR8X16_PORT_STS_TXMAC | 249 AR8X16_PORT_STS_DUPLEX); 250 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0), 251 arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(0)) & 252 ~AR8X16_PORT_CTRL_HEADER); 253 } else { 254 /* Set ports to auto negotiation. */ 255 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_STS(port), 256 AR8X16_PORT_STS_LINK_AUTO); 257 arswitch_writereg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port), 258 arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(port)) & 259 ~AR8X16_PORT_CTRL_HEADER); 260 } 261 } 262 263 static int 264 ar8xxx_atu_flush(struct arswitch_softc *sc) 265 { 266 int ret; 267 268 ret = arswitch_waitreg(sc->sc_dev, 269 AR8216_REG_ATU, 270 AR8216_ATU_ACTIVE, 271 0, 272 1000); 273 274 if (ret) 275 device_printf(sc->sc_dev, "%s: waitreg failed\n", __func__); 276 277 if (!ret) 278 arswitch_writereg(sc->sc_dev, 279 AR8216_REG_ATU, 280 AR8216_ATU_OP_FLUSH); 281 282 return (ret); 283 } 284 285 static int 286 arswitch_attach(device_t dev) 287 { 288 struct arswitch_softc *sc; 289 int err = 0; 290 int port; 291 292 sc = device_get_softc(dev); 293 294 /* sc->sc_switchtype is already decided in arswitch_probe() */ 295 sc->sc_dev = dev; 296 mtx_init(&sc->sc_mtx, "arswitch", NULL, MTX_DEF); 297 sc->page = -1; 298 strlcpy(sc->info.es_name, device_get_desc(dev), 299 sizeof(sc->info.es_name)); 300 301 /* Default HAL methods */ 302 sc->hal.arswitch_port_init = ar8xxx_port_init; 303 sc->hal.arswitch_port_vlan_setup = ar8xxx_port_vlan_setup; 304 sc->hal.arswitch_port_vlan_get = ar8xxx_port_vlan_get; 305 sc->hal.arswitch_vlan_init_hw = ar8xxx_reset_vlans; 306 sc->hal.arswitch_vlan_getvgroup = ar8xxx_getvgroup; 307 sc->hal.arswitch_vlan_setvgroup = ar8xxx_setvgroup; 308 sc->hal.arswitch_vlan_get_pvid = ar8xxx_get_pvid; 309 sc->hal.arswitch_vlan_set_pvid = ar8xxx_set_pvid; 310 sc->hal.arswitch_atu_flush = ar8xxx_atu_flush; 311 sc->hal.arswitch_phy_read = arswitch_readphy_internal; 312 sc->hal.arswitch_phy_write = arswitch_writephy_internal; 313 314 /* 315 * Attach switch related functions 316 */ 317 if (AR8X16_IS_SWITCH(sc, AR7240)) 318 ar7240_attach(sc); 319 else if (AR8X16_IS_SWITCH(sc, AR9340)) 320 ar9340_attach(sc); 321 else if (AR8X16_IS_SWITCH(sc, AR8216)) 322 ar8216_attach(sc); 323 else if (AR8X16_IS_SWITCH(sc, AR8226)) 324 ar8226_attach(sc); 325 else if (AR8X16_IS_SWITCH(sc, AR8316)) 326 ar8316_attach(sc); 327 else if (AR8X16_IS_SWITCH(sc, AR8327)) 328 ar8327_attach(sc); 329 else { 330 DPRINTF(dev, "%s: unknown switch (%d)?\n", __func__, sc->sc_switchtype); 331 return (ENXIO); 332 } 333 334 /* Common defaults. */ 335 sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */ 336 337 /* XXX Defaults for externally connected AR8316 */ 338 sc->numphys = 4; 339 sc->phy4cpu = 1; 340 sc->is_rgmii = 1; 341 sc->is_gmii = 0; 342 sc->is_mii = 0; 343 344 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 345 "numphys", &sc->numphys); 346 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 347 "phy4cpu", &sc->phy4cpu); 348 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 349 "is_rgmii", &sc->is_rgmii); 350 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 351 "is_gmii", &sc->is_gmii); 352 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 353 "is_mii", &sc->is_mii); 354 355 if (sc->numphys > AR8X16_NUM_PHYS) 356 sc->numphys = AR8X16_NUM_PHYS; 357 358 /* Reset the switch. */ 359 if (arswitch_reset(dev)) { 360 DPRINTF(dev, "%s: arswitch_reset: failed\n", __func__); 361 return (ENXIO); 362 } 363 364 err = sc->hal.arswitch_hw_setup(sc); 365 DPRINTF(dev, "%s: hw_setup: err=%d\n", __func__, err); 366 if (err != 0) 367 return (err); 368 369 err = sc->hal.arswitch_hw_global_setup(sc); 370 DPRINTF(dev, "%s: hw_global_setup: err=%d\n", __func__, err); 371 if (err != 0) 372 return (err); 373 374 /* Initialize the switch ports. */ 375 for (port = 0; port <= sc->numphys; port++) { 376 sc->hal.arswitch_port_init(sc, port); 377 } 378 379 /* 380 * Attach the PHYs and complete the bus enumeration. 381 */ 382 err = arswitch_attach_phys(sc); 383 DPRINTF(dev, "%s: attach_phys: err=%d\n", __func__, err); 384 if (err != 0) 385 return (err); 386 387 /* Default to ingress filters off. */ 388 err = arswitch_set_vlan_mode(sc, 0); 389 DPRINTF(dev, "%s: set_vlan_mode: err=%d\n", __func__, err); 390 if (err != 0) 391 return (err); 392 393 bus_generic_probe(dev); 394 bus_enumerate_hinted_children(dev); 395 err = bus_generic_attach(dev); 396 DPRINTF(dev, "%s: bus_generic_attach: err=%d\n", __func__, err); 397 if (err != 0) 398 return (err); 399 400 callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0); 401 402 ARSWITCH_LOCK(sc); 403 arswitch_tick(sc); 404 ARSWITCH_UNLOCK(sc); 405 406 return (err); 407 } 408 409 static int 410 arswitch_detach(device_t dev) 411 { 412 struct arswitch_softc *sc = device_get_softc(dev); 413 int i; 414 415 callout_drain(&sc->callout_tick); 416 417 for (i=0; i < sc->numphys; i++) { 418 if (sc->miibus[i] != NULL) 419 device_delete_child(dev, sc->miibus[i]); 420 if (sc->ifp[i] != NULL) 421 if_free(sc->ifp[i]); 422 free(sc->ifname[i], M_DEVBUF); 423 } 424 425 bus_generic_detach(dev); 426 mtx_destroy(&sc->sc_mtx); 427 428 return (0); 429 } 430 431 /* 432 * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to 433 * port 2, etc. 434 */ 435 static inline int 436 arswitch_portforphy(int phy) 437 { 438 return (phy+1); 439 } 440 441 static inline struct mii_data * 442 arswitch_miiforport(struct arswitch_softc *sc, int port) 443 { 444 int phy = port-1; 445 446 if (phy < 0 || phy >= sc->numphys) 447 return (NULL); 448 return (device_get_softc(sc->miibus[phy])); 449 } 450 451 static inline struct ifnet * 452 arswitch_ifpforport(struct arswitch_softc *sc, int port) 453 { 454 int phy = port-1; 455 456 if (phy < 0 || phy >= sc->numphys) 457 return (NULL); 458 return (sc->ifp[phy]); 459 } 460 461 /* 462 * Convert port status to ifmedia. 463 */ 464 static void 465 arswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active) 466 { 467 *media_active = IFM_ETHER; 468 *media_status = IFM_AVALID; 469 470 if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0) 471 *media_status |= IFM_ACTIVE; 472 else { 473 *media_active |= IFM_NONE; 474 return; 475 } 476 switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) { 477 case AR8X16_PORT_STS_SPEED_10: 478 *media_active |= IFM_10_T; 479 break; 480 case AR8X16_PORT_STS_SPEED_100: 481 *media_active |= IFM_100_TX; 482 break; 483 case AR8X16_PORT_STS_SPEED_1000: 484 *media_active |= IFM_1000_T; 485 break; 486 } 487 if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0) 488 *media_active |= IFM_FDX; 489 else 490 *media_active |= IFM_HDX; 491 if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0) 492 *media_active |= IFM_ETH_TXPAUSE; 493 if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0) 494 *media_active |= IFM_ETH_RXPAUSE; 495 } 496 497 /* 498 * Poll the status for all PHYs. We're using the switch port status because 499 * thats a lot quicker to read than talking to all the PHYs. Care must be 500 * taken that the resulting ifmedia_active is identical to what the PHY will 501 * compute, or gratuitous link status changes will occur whenever the PHYs 502 * update function is called. 503 */ 504 static void 505 arswitch_miipollstat(struct arswitch_softc *sc) 506 { 507 int i; 508 struct mii_data *mii; 509 struct mii_softc *miisc; 510 int portstatus; 511 int port_flap = 0; 512 513 ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 514 515 for (i = 0; i < sc->numphys; i++) { 516 if (sc->miibus[i] == NULL) 517 continue; 518 mii = device_get_softc(sc->miibus[i]); 519 /* XXX This would be nice to have abstracted out to be per-chip */ 520 /* AR8327/AR8337 has a different register base */ 521 if (AR8X16_IS_SWITCH(sc, AR8327)) 522 portstatus = arswitch_readreg(sc->sc_dev, 523 AR8327_REG_PORT_STATUS(arswitch_portforphy(i))); 524 else 525 portstatus = arswitch_readreg(sc->sc_dev, 526 AR8X16_REG_PORT_STS(arswitch_portforphy(i))); 527 #if 0 528 DPRINTF(sc->sc_dev, "p[%d]=%b\n", 529 i, 530 portstatus, 531 "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7" 532 "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE"); 533 #endif 534 /* 535 * If the current status is down, but we have a link 536 * status showing up, we need to do an ATU flush. 537 */ 538 if ((mii->mii_media_status & IFM_ACTIVE) == 0 && 539 (portstatus & AR8X16_PORT_STS_LINK_UP) != 0) { 540 device_printf(sc->sc_dev, "%s: port %d: port -> UP\n", 541 __func__, 542 i); 543 port_flap = 1; 544 } 545 /* 546 * and maybe if a port goes up->down? 547 */ 548 if ((mii->mii_media_status & IFM_ACTIVE) != 0 && 549 (portstatus & AR8X16_PORT_STS_LINK_UP) == 0) { 550 device_printf(sc->sc_dev, "%s: port %d: port -> DOWN\n", 551 __func__, 552 i); 553 port_flap = 1; 554 } 555 arswitch_update_ifmedia(portstatus, &mii->mii_media_status, 556 &mii->mii_media_active); 557 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 558 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 559 miisc->mii_inst) 560 continue; 561 mii_phy_update(miisc, MII_POLLSTAT); 562 } 563 } 564 565 /* If a port went from down->up, flush the ATU */ 566 if (port_flap) 567 sc->hal.arswitch_atu_flush(sc); 568 } 569 570 static void 571 arswitch_tick(void *arg) 572 { 573 struct arswitch_softc *sc = arg; 574 575 arswitch_miipollstat(sc); 576 callout_reset(&sc->callout_tick, hz, arswitch_tick, sc); 577 } 578 579 static void 580 arswitch_lock(device_t dev) 581 { 582 struct arswitch_softc *sc = device_get_softc(dev); 583 584 ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 585 ARSWITCH_LOCK(sc); 586 } 587 588 static void 589 arswitch_unlock(device_t dev) 590 { 591 struct arswitch_softc *sc = device_get_softc(dev); 592 593 ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 594 ARSWITCH_UNLOCK(sc); 595 } 596 597 static etherswitch_info_t * 598 arswitch_getinfo(device_t dev) 599 { 600 struct arswitch_softc *sc = device_get_softc(dev); 601 602 return (&sc->info); 603 } 604 605 static int 606 ar8xxx_port_vlan_get(struct arswitch_softc *sc, etherswitch_port_t *p) 607 { 608 uint32_t reg; 609 610 ARSWITCH_LOCK(sc); 611 612 /* Retrieve the PVID. */ 613 sc->hal.arswitch_vlan_get_pvid(sc, p->es_port, &p->es_pvid); 614 615 /* Port flags. */ 616 reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port)); 617 if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG) 618 p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG; 619 reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 620 if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD) 621 p->es_flags |= ETHERSWITCH_PORT_ADDTAG; 622 if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP) 623 p->es_flags |= ETHERSWITCH_PORT_STRIPTAG; 624 ARSWITCH_UNLOCK(sc); 625 626 return (0); 627 } 628 629 static int 630 arswitch_getport(device_t dev, etherswitch_port_t *p) 631 { 632 struct arswitch_softc *sc; 633 struct mii_data *mii; 634 struct ifmediareq *ifmr; 635 int err; 636 637 sc = device_get_softc(dev); 638 if (p->es_port < 0 || p->es_port > sc->numphys) 639 return (ENXIO); 640 641 err = sc->hal.arswitch_port_vlan_get(sc, p); 642 if (err != 0) 643 return (err); 644 645 mii = arswitch_miiforport(sc, p->es_port); 646 if (p->es_port == AR8X16_PORT_CPU) { 647 /* fill in fixed values for CPU port */ 648 /* XXX is this valid in all cases? */ 649 p->es_flags |= ETHERSWITCH_PORT_CPU; 650 ifmr = &p->es_ifmr; 651 ifmr->ifm_count = 0; 652 ifmr->ifm_current = ifmr->ifm_active = 653 IFM_ETHER | IFM_1000_T | IFM_FDX; 654 ifmr->ifm_mask = 0; 655 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 656 } else if (mii != NULL) { 657 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 658 &mii->mii_media, SIOCGIFMEDIA); 659 if (err) 660 return (err); 661 } else { 662 return (ENXIO); 663 } 664 return (0); 665 } 666 667 static int 668 ar8xxx_port_vlan_setup(struct arswitch_softc *sc, etherswitch_port_t *p) 669 { 670 uint32_t reg; 671 int err; 672 673 ARSWITCH_LOCK(sc); 674 675 /* Set the PVID. */ 676 if (p->es_pvid != 0) 677 sc->hal.arswitch_vlan_set_pvid(sc, p->es_port, p->es_pvid); 678 679 /* Mutually exclusive. */ 680 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG && 681 p->es_flags & ETHERSWITCH_PORT_STRIPTAG) { 682 ARSWITCH_UNLOCK(sc); 683 return (EINVAL); 684 } 685 686 reg = 0; 687 if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG) 688 reg |= AR8X16_PORT_CTRL_DOUBLE_TAG; 689 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG) 690 reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD << 691 AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 692 if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG) 693 reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP << 694 AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 695 696 err = arswitch_modifyreg(sc->sc_dev, 697 AR8X16_REG_PORT_CTRL(p->es_port), 698 0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT | 699 AR8X16_PORT_CTRL_DOUBLE_TAG, reg); 700 701 ARSWITCH_UNLOCK(sc); 702 return (err); 703 } 704 705 static int 706 arswitch_setport(device_t dev, etherswitch_port_t *p) 707 { 708 int err; 709 struct arswitch_softc *sc; 710 struct ifmedia *ifm; 711 struct mii_data *mii; 712 struct ifnet *ifp; 713 714 sc = device_get_softc(dev); 715 if (p->es_port < 0 || p->es_port > sc->numphys) 716 return (ENXIO); 717 718 /* Port flags. */ 719 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 720 err = sc->hal.arswitch_port_vlan_setup(sc, p); 721 if (err) 722 return (err); 723 } 724 725 /* Do not allow media changes on CPU port. */ 726 if (p->es_port == AR8X16_PORT_CPU) 727 return (0); 728 729 mii = arswitch_miiforport(sc, p->es_port); 730 if (mii == NULL) 731 return (ENXIO); 732 733 ifp = arswitch_ifpforport(sc, p->es_port); 734 735 ifm = &mii->mii_media; 736 return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 737 } 738 739 static void 740 arswitch_statchg(device_t dev) 741 { 742 743 DPRINTF(dev, "%s\n", __func__); 744 } 745 746 static int 747 arswitch_ifmedia_upd(struct ifnet *ifp) 748 { 749 struct arswitch_softc *sc = ifp->if_softc; 750 struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 751 752 if (mii == NULL) 753 return (ENXIO); 754 mii_mediachg(mii); 755 return (0); 756 } 757 758 static void 759 arswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 760 { 761 struct arswitch_softc *sc = ifp->if_softc; 762 struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 763 764 DPRINTF(sc->sc_dev, "%s\n", __func__); 765 766 if (mii == NULL) 767 return; 768 mii_pollstat(mii); 769 ifmr->ifm_active = mii->mii_media_active; 770 ifmr->ifm_status = mii->mii_media_status; 771 } 772 773 static int 774 arswitch_getconf(device_t dev, etherswitch_conf_t *conf) 775 { 776 struct arswitch_softc *sc; 777 778 sc = device_get_softc(dev); 779 780 /* Return the VLAN mode. */ 781 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 782 conf->vlan_mode = sc->vlan_mode; 783 784 return (0); 785 } 786 787 static int 788 arswitch_setconf(device_t dev, etherswitch_conf_t *conf) 789 { 790 struct arswitch_softc *sc; 791 int err; 792 793 sc = device_get_softc(dev); 794 795 /* Set the VLAN mode. */ 796 if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 797 err = arswitch_set_vlan_mode(sc, conf->vlan_mode); 798 if (err != 0) 799 return (err); 800 } 801 802 return (0); 803 } 804 805 static int 806 arswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e) 807 { 808 struct arswitch_softc *sc = device_get_softc(dev); 809 810 return (sc->hal.arswitch_vlan_getvgroup(sc, e)); 811 } 812 813 static int 814 arswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e) 815 { 816 struct arswitch_softc *sc = device_get_softc(dev); 817 818 return (sc->hal.arswitch_vlan_setvgroup(sc, e)); 819 } 820 821 static int 822 arswitch_readphy(device_t dev, int phy, int reg) 823 { 824 struct arswitch_softc *sc = device_get_softc(dev); 825 826 return (sc->hal.arswitch_phy_read(dev, phy, reg)); 827 } 828 829 static int 830 arswitch_writephy(device_t dev, int phy, int reg, int val) 831 { 832 struct arswitch_softc *sc = device_get_softc(dev); 833 834 return (sc->hal.arswitch_phy_write(dev, phy, reg, val)); 835 } 836 837 static device_method_t arswitch_methods[] = { 838 /* Device interface */ 839 DEVMETHOD(device_probe, arswitch_probe), 840 DEVMETHOD(device_attach, arswitch_attach), 841 DEVMETHOD(device_detach, arswitch_detach), 842 843 /* bus interface */ 844 DEVMETHOD(bus_add_child, device_add_child_ordered), 845 846 /* MII interface */ 847 DEVMETHOD(miibus_readreg, arswitch_readphy), 848 DEVMETHOD(miibus_writereg, arswitch_writephy), 849 DEVMETHOD(miibus_statchg, arswitch_statchg), 850 851 /* MDIO interface */ 852 DEVMETHOD(mdio_readreg, arswitch_readphy), 853 DEVMETHOD(mdio_writereg, arswitch_writephy), 854 855 /* etherswitch interface */ 856 DEVMETHOD(etherswitch_lock, arswitch_lock), 857 DEVMETHOD(etherswitch_unlock, arswitch_unlock), 858 DEVMETHOD(etherswitch_getinfo, arswitch_getinfo), 859 DEVMETHOD(etherswitch_readreg, arswitch_readreg), 860 DEVMETHOD(etherswitch_writereg, arswitch_writereg), 861 DEVMETHOD(etherswitch_readphyreg, arswitch_readphy), 862 DEVMETHOD(etherswitch_writephyreg, arswitch_writephy), 863 DEVMETHOD(etherswitch_getport, arswitch_getport), 864 DEVMETHOD(etherswitch_setport, arswitch_setport), 865 DEVMETHOD(etherswitch_getvgroup, arswitch_getvgroup), 866 DEVMETHOD(etherswitch_setvgroup, arswitch_setvgroup), 867 DEVMETHOD(etherswitch_getconf, arswitch_getconf), 868 DEVMETHOD(etherswitch_setconf, arswitch_setconf), 869 870 DEVMETHOD_END 871 }; 872 873 DEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods, 874 sizeof(struct arswitch_softc)); 875 static devclass_t arswitch_devclass; 876 877 DRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0); 878 DRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0); 879 DRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0); 880 DRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 881 MODULE_VERSION(arswitch, 1); 882 MODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */ 883 MODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 884