arswitch.c revision 279790
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 279790 2015-03-08 21:59:03Z 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 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 147done: 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 162static int 163arswitch_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 196static int 197arswitch_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 211static int 212arswitch_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 236static void 237ar8xxx_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 263static int 264ar8xxx_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 285static int 286arswitch_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; 306 307 sc->hal.arswitch_vlan_getvgroup = ar8xxx_getvgroup; 308 sc->hal.arswitch_vlan_setvgroup = ar8xxx_setvgroup; 309 310 sc->hal.arswitch_vlan_get_pvid = ar8xxx_get_pvid; 311 sc->hal.arswitch_vlan_set_pvid = ar8xxx_set_pvid; 312 313 sc->hal.arswitch_get_dot1q_vlan = ar8xxx_get_dot1q_vlan; 314 sc->hal.arswitch_set_dot1q_vlan = ar8xxx_set_dot1q_vlan; 315 sc->hal.arswitch_get_port_vlan = ar8xxx_get_port_vlan; 316 sc->hal.arswitch_set_port_vlan = ar8xxx_set_port_vlan; 317 318 sc->hal.arswitch_atu_flush = ar8xxx_atu_flush; 319 320 sc->hal.arswitch_phy_read = arswitch_readphy_internal; 321 sc->hal.arswitch_phy_write = arswitch_writephy_internal; 322 323 324 /* 325 * Attach switch related functions 326 */ 327 if (AR8X16_IS_SWITCH(sc, AR7240)) 328 ar7240_attach(sc); 329 else if (AR8X16_IS_SWITCH(sc, AR9340)) 330 ar9340_attach(sc); 331 else if (AR8X16_IS_SWITCH(sc, AR8216)) 332 ar8216_attach(sc); 333 else if (AR8X16_IS_SWITCH(sc, AR8226)) 334 ar8226_attach(sc); 335 else if (AR8X16_IS_SWITCH(sc, AR8316)) 336 ar8316_attach(sc); 337 else if (AR8X16_IS_SWITCH(sc, AR8327)) 338 ar8327_attach(sc); 339 else { 340 DPRINTF(dev, "%s: unknown switch (%d)?\n", __func__, sc->sc_switchtype); 341 return (ENXIO); 342 } 343 344 /* Common defaults. */ 345 sc->info.es_nports = 5; /* XXX technically 6, but 6th not used */ 346 347 /* XXX Defaults for externally connected AR8316 */ 348 sc->numphys = 4; 349 sc->phy4cpu = 1; 350 sc->is_rgmii = 1; 351 sc->is_gmii = 0; 352 sc->is_mii = 0; 353 354 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 355 "numphys", &sc->numphys); 356 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 357 "phy4cpu", &sc->phy4cpu); 358 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 359 "is_rgmii", &sc->is_rgmii); 360 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 361 "is_gmii", &sc->is_gmii); 362 (void) resource_int_value(device_get_name(dev), device_get_unit(dev), 363 "is_mii", &sc->is_mii); 364 365 if (sc->numphys > AR8X16_NUM_PHYS) 366 sc->numphys = AR8X16_NUM_PHYS; 367 368 /* Reset the switch. */ 369 if (arswitch_reset(dev)) { 370 DPRINTF(dev, "%s: arswitch_reset: failed\n", __func__); 371 return (ENXIO); 372 } 373 374 err = sc->hal.arswitch_hw_setup(sc); 375 DPRINTF(dev, "%s: hw_setup: err=%d\n", __func__, err); 376 if (err != 0) 377 return (err); 378 379 err = sc->hal.arswitch_hw_global_setup(sc); 380 DPRINTF(dev, "%s: hw_global_setup: err=%d\n", __func__, err); 381 if (err != 0) 382 return (err); 383 384 /* Initialize the switch ports. */ 385 for (port = 0; port <= sc->numphys; port++) { 386 sc->hal.arswitch_port_init(sc, port); 387 } 388 389 /* 390 * Attach the PHYs and complete the bus enumeration. 391 */ 392 err = arswitch_attach_phys(sc); 393 DPRINTF(dev, "%s: attach_phys: err=%d\n", __func__, err); 394 if (err != 0) 395 return (err); 396 397 /* Default to ingress filters off. */ 398 err = arswitch_set_vlan_mode(sc, 0); 399 DPRINTF(dev, "%s: set_vlan_mode: err=%d\n", __func__, err); 400 if (err != 0) 401 return (err); 402 403 bus_generic_probe(dev); 404 bus_enumerate_hinted_children(dev); 405 err = bus_generic_attach(dev); 406 DPRINTF(dev, "%s: bus_generic_attach: err=%d\n", __func__, err); 407 if (err != 0) 408 return (err); 409 410 callout_init_mtx(&sc->callout_tick, &sc->sc_mtx, 0); 411 412 ARSWITCH_LOCK(sc); 413 arswitch_tick(sc); 414 ARSWITCH_UNLOCK(sc); 415 416 return (err); 417} 418 419static int 420arswitch_detach(device_t dev) 421{ 422 struct arswitch_softc *sc = device_get_softc(dev); 423 int i; 424 425 callout_drain(&sc->callout_tick); 426 427 for (i=0; i < sc->numphys; i++) { 428 if (sc->miibus[i] != NULL) 429 device_delete_child(dev, sc->miibus[i]); 430 if (sc->ifp[i] != NULL) 431 if_free(sc->ifp[i]); 432 free(sc->ifname[i], M_DEVBUF); 433 } 434 435 bus_generic_detach(dev); 436 mtx_destroy(&sc->sc_mtx); 437 438 return (0); 439} 440 441/* 442 * Convert PHY number to port number. PHY0 is connected to port 1, PHY1 to 443 * port 2, etc. 444 */ 445static inline int 446arswitch_portforphy(int phy) 447{ 448 return (phy+1); 449} 450 451static inline struct mii_data * 452arswitch_miiforport(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 (device_get_softc(sc->miibus[phy])); 459} 460 461static inline struct ifnet * 462arswitch_ifpforport(struct arswitch_softc *sc, int port) 463{ 464 int phy = port-1; 465 466 if (phy < 0 || phy >= sc->numphys) 467 return (NULL); 468 return (sc->ifp[phy]); 469} 470 471/* 472 * Convert port status to ifmedia. 473 */ 474static void 475arswitch_update_ifmedia(int portstatus, u_int *media_status, u_int *media_active) 476{ 477 *media_active = IFM_ETHER; 478 *media_status = IFM_AVALID; 479 480 if ((portstatus & AR8X16_PORT_STS_LINK_UP) != 0) 481 *media_status |= IFM_ACTIVE; 482 else { 483 *media_active |= IFM_NONE; 484 return; 485 } 486 switch (portstatus & AR8X16_PORT_STS_SPEED_MASK) { 487 case AR8X16_PORT_STS_SPEED_10: 488 *media_active |= IFM_10_T; 489 break; 490 case AR8X16_PORT_STS_SPEED_100: 491 *media_active |= IFM_100_TX; 492 break; 493 case AR8X16_PORT_STS_SPEED_1000: 494 *media_active |= IFM_1000_T; 495 break; 496 } 497 if ((portstatus & AR8X16_PORT_STS_DUPLEX) == 0) 498 *media_active |= IFM_FDX; 499 else 500 *media_active |= IFM_HDX; 501 if ((portstatus & AR8X16_PORT_STS_TXFLOW) != 0) 502 *media_active |= IFM_ETH_TXPAUSE; 503 if ((portstatus & AR8X16_PORT_STS_RXFLOW) != 0) 504 *media_active |= IFM_ETH_RXPAUSE; 505} 506 507/* 508 * Poll the status for all PHYs. We're using the switch port status because 509 * thats a lot quicker to read than talking to all the PHYs. Care must be 510 * taken that the resulting ifmedia_active is identical to what the PHY will 511 * compute, or gratuitous link status changes will occur whenever the PHYs 512 * update function is called. 513 */ 514static void 515arswitch_miipollstat(struct arswitch_softc *sc) 516{ 517 int i; 518 struct mii_data *mii; 519 struct mii_softc *miisc; 520 int portstatus; 521 int port_flap = 0; 522 523 ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 524 525 for (i = 0; i < sc->numphys; i++) { 526 if (sc->miibus[i] == NULL) 527 continue; 528 mii = device_get_softc(sc->miibus[i]); 529 /* XXX This would be nice to have abstracted out to be per-chip */ 530 /* AR8327/AR8337 has a different register base */ 531 if (AR8X16_IS_SWITCH(sc, AR8327)) 532 portstatus = arswitch_readreg(sc->sc_dev, 533 AR8327_REG_PORT_STATUS(arswitch_portforphy(i))); 534 else 535 portstatus = arswitch_readreg(sc->sc_dev, 536 AR8X16_REG_PORT_STS(arswitch_portforphy(i))); 537#if 0 538 DPRINTF(sc->sc_dev, "p[%d]=%b\n", 539 i, 540 portstatus, 541 "\20\3TXMAC\4RXMAC\5TXFLOW\6RXFLOW\7" 542 "DUPLEX\11LINK_UP\12LINK_AUTO\13LINK_PAUSE"); 543#endif 544 /* 545 * If the current status is down, but we have a link 546 * status showing up, we need to do an ATU flush. 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 -> UP\n", 551 __func__, 552 i); 553 port_flap = 1; 554 } 555 /* 556 * and maybe if a port goes up->down? 557 */ 558 if ((mii->mii_media_status & IFM_ACTIVE) != 0 && 559 (portstatus & AR8X16_PORT_STS_LINK_UP) == 0) { 560 device_printf(sc->sc_dev, "%s: port %d: port -> DOWN\n", 561 __func__, 562 i); 563 port_flap = 1; 564 } 565 arswitch_update_ifmedia(portstatus, &mii->mii_media_status, 566 &mii->mii_media_active); 567 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 568 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) != 569 miisc->mii_inst) 570 continue; 571 mii_phy_update(miisc, MII_POLLSTAT); 572 } 573 } 574 575 /* If a port went from down->up, flush the ATU */ 576 if (port_flap) 577 sc->hal.arswitch_atu_flush(sc); 578} 579 580static void 581arswitch_tick(void *arg) 582{ 583 struct arswitch_softc *sc = arg; 584 585 arswitch_miipollstat(sc); 586 callout_reset(&sc->callout_tick, hz, arswitch_tick, sc); 587} 588 589static void 590arswitch_lock(device_t dev) 591{ 592 struct arswitch_softc *sc = device_get_softc(dev); 593 594 ARSWITCH_LOCK_ASSERT(sc, MA_NOTOWNED); 595 ARSWITCH_LOCK(sc); 596} 597 598static void 599arswitch_unlock(device_t dev) 600{ 601 struct arswitch_softc *sc = device_get_softc(dev); 602 603 ARSWITCH_LOCK_ASSERT(sc, MA_OWNED); 604 ARSWITCH_UNLOCK(sc); 605} 606 607static etherswitch_info_t * 608arswitch_getinfo(device_t dev) 609{ 610 struct arswitch_softc *sc = device_get_softc(dev); 611 612 return (&sc->info); 613} 614 615static int 616ar8xxx_port_vlan_get(struct arswitch_softc *sc, etherswitch_port_t *p) 617{ 618 uint32_t reg; 619 620 ARSWITCH_LOCK(sc); 621 622 /* Retrieve the PVID. */ 623 sc->hal.arswitch_vlan_get_pvid(sc, p->es_port, &p->es_pvid); 624 625 /* Port flags. */ 626 reg = arswitch_readreg(sc->sc_dev, AR8X16_REG_PORT_CTRL(p->es_port)); 627 if (reg & AR8X16_PORT_CTRL_DOUBLE_TAG) 628 p->es_flags |= ETHERSWITCH_PORT_DOUBLE_TAG; 629 reg >>= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 630 if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD) 631 p->es_flags |= ETHERSWITCH_PORT_ADDTAG; 632 if ((reg & 0x3) == AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP) 633 p->es_flags |= ETHERSWITCH_PORT_STRIPTAG; 634 ARSWITCH_UNLOCK(sc); 635 636 return (0); 637} 638 639static int 640arswitch_is_cpuport(struct arswitch_softc *sc, int port) 641{ 642 643 return ((port == AR8X16_PORT_CPU) || 644 ((AR8X16_IS_SWITCH(sc, AR8327) && 645 port == AR8327_PORT_GMAC6))); 646} 647 648static int 649arswitch_getport(device_t dev, etherswitch_port_t *p) 650{ 651 struct arswitch_softc *sc; 652 struct mii_data *mii; 653 struct ifmediareq *ifmr; 654 int err; 655 656 sc = device_get_softc(dev); 657 /* XXX +1 is for AR8327; should make this configurable! */ 658 if (p->es_port < 0 || p->es_port > sc->info.es_nports) 659 return (ENXIO); 660 661 err = sc->hal.arswitch_port_vlan_get(sc, p); 662 if (err != 0) 663 return (err); 664 665 mii = arswitch_miiforport(sc, p->es_port); 666 if (arswitch_is_cpuport(sc, p->es_port)) { 667 /* fill in fixed values for CPU port */ 668 /* XXX is this valid in all cases? */ 669 p->es_flags |= ETHERSWITCH_PORT_CPU; 670 ifmr = &p->es_ifmr; 671 ifmr->ifm_count = 0; 672 ifmr->ifm_current = ifmr->ifm_active = 673 IFM_ETHER | IFM_1000_T | IFM_FDX; 674 ifmr->ifm_mask = 0; 675 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 676 } else if (mii != NULL) { 677 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 678 &mii->mii_media, SIOCGIFMEDIA); 679 if (err) 680 return (err); 681 } else { 682 return (ENXIO); 683 } 684 return (0); 685} 686 687static int 688ar8xxx_port_vlan_setup(struct arswitch_softc *sc, etherswitch_port_t *p) 689{ 690 uint32_t reg; 691 int err; 692 693 ARSWITCH_LOCK(sc); 694 695 /* Set the PVID. */ 696 if (p->es_pvid != 0) 697 sc->hal.arswitch_vlan_set_pvid(sc, p->es_port, p->es_pvid); 698 699 /* Mutually exclusive. */ 700 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG && 701 p->es_flags & ETHERSWITCH_PORT_STRIPTAG) { 702 ARSWITCH_UNLOCK(sc); 703 return (EINVAL); 704 } 705 706 reg = 0; 707 if (p->es_flags & ETHERSWITCH_PORT_DOUBLE_TAG) 708 reg |= AR8X16_PORT_CTRL_DOUBLE_TAG; 709 if (p->es_flags & ETHERSWITCH_PORT_ADDTAG) 710 reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_ADD << 711 AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 712 if (p->es_flags & ETHERSWITCH_PORT_STRIPTAG) 713 reg |= AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_STRIP << 714 AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT; 715 716 err = arswitch_modifyreg(sc->sc_dev, 717 AR8X16_REG_PORT_CTRL(p->es_port), 718 0x3 << AR8X16_PORT_CTRL_EGRESS_VLAN_MODE_SHIFT | 719 AR8X16_PORT_CTRL_DOUBLE_TAG, reg); 720 721 ARSWITCH_UNLOCK(sc); 722 return (err); 723} 724 725static int 726arswitch_setport(device_t dev, etherswitch_port_t *p) 727{ 728 int err; 729 struct arswitch_softc *sc; 730 struct ifmedia *ifm; 731 struct mii_data *mii; 732 struct ifnet *ifp; 733 734 sc = device_get_softc(dev); 735 if (p->es_port < 0 || p->es_port > sc->info.es_nports) 736 return (ENXIO); 737 738 /* Port flags. */ 739 if (sc->vlan_mode == ETHERSWITCH_VLAN_DOT1Q) { 740 err = sc->hal.arswitch_port_vlan_setup(sc, p); 741 if (err) 742 return (err); 743 } 744 745 /* Do not allow media changes on CPU port. */ 746 if (arswitch_is_cpuport(sc, p->es_port)) 747 return (0); 748 749 mii = arswitch_miiforport(sc, p->es_port); 750 if (mii == NULL) 751 return (ENXIO); 752 753 ifp = arswitch_ifpforport(sc, p->es_port); 754 755 ifm = &mii->mii_media; 756 return (ifmedia_ioctl(ifp, &p->es_ifr, ifm, SIOCSIFMEDIA)); 757} 758 759static void 760arswitch_statchg(device_t dev) 761{ 762 763 DPRINTF(dev, "%s\n", __func__); 764} 765 766static int 767arswitch_ifmedia_upd(struct ifnet *ifp) 768{ 769 struct arswitch_softc *sc = ifp->if_softc; 770 struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 771 772 if (mii == NULL) 773 return (ENXIO); 774 mii_mediachg(mii); 775 return (0); 776} 777 778static void 779arswitch_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 780{ 781 struct arswitch_softc *sc = ifp->if_softc; 782 struct mii_data *mii = arswitch_miiforport(sc, ifp->if_dunit); 783 784 DPRINTF(sc->sc_dev, "%s\n", __func__); 785 786 if (mii == NULL) 787 return; 788 mii_pollstat(mii); 789 ifmr->ifm_active = mii->mii_media_active; 790 ifmr->ifm_status = mii->mii_media_status; 791} 792 793static int 794arswitch_getconf(device_t dev, etherswitch_conf_t *conf) 795{ 796 struct arswitch_softc *sc; 797 798 sc = device_get_softc(dev); 799 800 /* Return the VLAN mode. */ 801 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 802 conf->vlan_mode = sc->vlan_mode; 803 804 return (0); 805} 806 807static int 808arswitch_setconf(device_t dev, etherswitch_conf_t *conf) 809{ 810 struct arswitch_softc *sc; 811 int err; 812 813 sc = device_get_softc(dev); 814 815 /* Set the VLAN mode. */ 816 if (conf->cmd & ETHERSWITCH_CONF_VLAN_MODE) { 817 err = arswitch_set_vlan_mode(sc, conf->vlan_mode); 818 if (err != 0) 819 return (err); 820 } 821 822 return (0); 823} 824 825static int 826arswitch_getvgroup(device_t dev, etherswitch_vlangroup_t *e) 827{ 828 struct arswitch_softc *sc = device_get_softc(dev); 829 830 return (sc->hal.arswitch_vlan_getvgroup(sc, e)); 831} 832 833static int 834arswitch_setvgroup(device_t dev, etherswitch_vlangroup_t *e) 835{ 836 struct arswitch_softc *sc = device_get_softc(dev); 837 838 return (sc->hal.arswitch_vlan_setvgroup(sc, e)); 839} 840 841static int 842arswitch_readphy(device_t dev, int phy, int reg) 843{ 844 struct arswitch_softc *sc = device_get_softc(dev); 845 846 return (sc->hal.arswitch_phy_read(dev, phy, reg)); 847} 848 849static int 850arswitch_writephy(device_t dev, int phy, int reg, int val) 851{ 852 struct arswitch_softc *sc = device_get_softc(dev); 853 854 return (sc->hal.arswitch_phy_write(dev, phy, reg, val)); 855} 856 857static device_method_t arswitch_methods[] = { 858 /* Device interface */ 859 DEVMETHOD(device_probe, arswitch_probe), 860 DEVMETHOD(device_attach, arswitch_attach), 861 DEVMETHOD(device_detach, arswitch_detach), 862 863 /* bus interface */ 864 DEVMETHOD(bus_add_child, device_add_child_ordered), 865 866 /* MII interface */ 867 DEVMETHOD(miibus_readreg, arswitch_readphy), 868 DEVMETHOD(miibus_writereg, arswitch_writephy), 869 DEVMETHOD(miibus_statchg, arswitch_statchg), 870 871 /* MDIO interface */ 872 DEVMETHOD(mdio_readreg, arswitch_readphy), 873 DEVMETHOD(mdio_writereg, arswitch_writephy), 874 875 /* etherswitch interface */ 876 DEVMETHOD(etherswitch_lock, arswitch_lock), 877 DEVMETHOD(etherswitch_unlock, arswitch_unlock), 878 DEVMETHOD(etherswitch_getinfo, arswitch_getinfo), 879 DEVMETHOD(etherswitch_readreg, arswitch_readreg), 880 DEVMETHOD(etherswitch_writereg, arswitch_writereg), 881 DEVMETHOD(etherswitch_readphyreg, arswitch_readphy), 882 DEVMETHOD(etherswitch_writephyreg, arswitch_writephy), 883 DEVMETHOD(etherswitch_getport, arswitch_getport), 884 DEVMETHOD(etherswitch_setport, arswitch_setport), 885 DEVMETHOD(etherswitch_getvgroup, arswitch_getvgroup), 886 DEVMETHOD(etherswitch_setvgroup, arswitch_setvgroup), 887 DEVMETHOD(etherswitch_getconf, arswitch_getconf), 888 DEVMETHOD(etherswitch_setconf, arswitch_setconf), 889 890 DEVMETHOD_END 891}; 892 893DEFINE_CLASS_0(arswitch, arswitch_driver, arswitch_methods, 894 sizeof(struct arswitch_softc)); 895static devclass_t arswitch_devclass; 896 897DRIVER_MODULE(arswitch, mdio, arswitch_driver, arswitch_devclass, 0, 0); 898DRIVER_MODULE(miibus, arswitch, miibus_driver, miibus_devclass, 0, 0); 899DRIVER_MODULE(mdio, arswitch, mdio_driver, mdio_devclass, 0, 0); 900DRIVER_MODULE(etherswitch, arswitch, etherswitch_driver, etherswitch_devclass, 0, 0); 901MODULE_VERSION(arswitch, 1); 902MODULE_DEPEND(arswitch, miibus, 1, 1, 1); /* XXX which versions? */ 903MODULE_DEPEND(arswitch, etherswitch, 1, 1, 1); /* XXX which versions? */ 904