1 /*- 2 * Copyright (c) 2015 Semihalf 3 * Copyright (c) 2015 Stormshield 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 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/bus.h> 33 #include <sys/errno.h> 34 #include <sys/kernel.h> 35 #include <sys/kthread.h> 36 #include <sys/module.h> 37 #include <sys/socket.h> 38 #include <sys/sockio.h> 39 40 #include <net/if.h> 41 #include <net/if_media.h> 42 #include <net/if_types.h> 43 44 #include <dev/etherswitch/etherswitch.h> 45 #include <dev/mii/mii.h> 46 #include <dev/mii/miivar.h> 47 48 #include <dev/ofw/ofw_bus.h> 49 #include <dev/ofw/ofw_bus_subr.h> 50 51 #include "e6000swreg.h" 52 #include "etherswitch_if.h" 53 #include "miibus_if.h" 54 #include "mdio_if.h" 55 56 MALLOC_DECLARE(M_E6000SW); 57 MALLOC_DEFINE(M_E6000SW, "e6000sw", "e6000sw switch"); 58 59 #define E6000SW_LOCK(_sc) sx_xlock(&(_sc)->sx) 60 #define E6000SW_UNLOCK(_sc) sx_unlock(&(_sc)->sx) 61 #define E6000SW_LOCK_ASSERT(_sc, _what) sx_assert(&(_sc)->sx, (_what)) 62 #define E6000SW_TRYLOCK(_sc) sx_tryxlock(&(_sc)->sx) 63 64 typedef struct e6000sw_softc { 65 device_t dev; 66 phandle_t node; 67 68 struct sx sx; 69 struct ifnet *ifp[E6000SW_MAX_PORTS]; 70 char *ifname[E6000SW_MAX_PORTS]; 71 device_t miibus[E6000SW_MAX_PORTS]; 72 struct proc *kproc; 73 74 uint32_t swid; 75 uint32_t vlan_mode; 76 uint32_t cpuports_mask; 77 uint32_t fixed_mask; 78 uint32_t fixed25_mask; 79 uint32_t ports_mask; 80 int phy_base; 81 int sw_addr; 82 int num_ports; 83 boolean_t multi_chip; 84 } e6000sw_softc_t; 85 86 static etherswitch_info_t etherswitch_info = { 87 .es_nports = 0, 88 .es_nvlangroups = 0, 89 .es_vlan_caps = ETHERSWITCH_VLAN_PORT, 90 .es_name = "Marvell 6000 series switch" 91 }; 92 93 static void e6000sw_identify(driver_t *, device_t); 94 static int e6000sw_probe(device_t); 95 static int e6000sw_parse_fixed_link(e6000sw_softc_t *, phandle_t, uint32_t); 96 static int e6000sw_parse_ethernet(e6000sw_softc_t *, phandle_t, uint32_t); 97 static int e6000sw_attach(device_t); 98 static int e6000sw_detach(device_t); 99 static int e6000sw_readphy(device_t, int, int); 100 static int e6000sw_writephy(device_t, int, int, int); 101 static etherswitch_info_t* e6000sw_getinfo(device_t); 102 static int e6000sw_getconf(device_t, etherswitch_conf_t *); 103 static void e6000sw_lock(device_t); 104 static void e6000sw_unlock(device_t); 105 static int e6000sw_getport(device_t, etherswitch_port_t *); 106 static int e6000sw_setport(device_t, etherswitch_port_t *); 107 static int e6000sw_readreg_wrapper(device_t, int); 108 static int e6000sw_writereg_wrapper(device_t, int, int); 109 static int e6000sw_readphy_wrapper(device_t, int, int); 110 static int e6000sw_writephy_wrapper(device_t, int, int, int); 111 static int e6000sw_getvgroup_wrapper(device_t, etherswitch_vlangroup_t *); 112 static int e6000sw_setvgroup_wrapper(device_t, etherswitch_vlangroup_t *); 113 static int e6000sw_setvgroup(device_t, etherswitch_vlangroup_t *); 114 static int e6000sw_getvgroup(device_t, etherswitch_vlangroup_t *); 115 static void e6000sw_setup(device_t, e6000sw_softc_t *); 116 static void e6000sw_port_vlan_conf(e6000sw_softc_t *); 117 static void e6000sw_tick(void *); 118 static void e6000sw_set_atustat(device_t, e6000sw_softc_t *, int, int); 119 static int e6000sw_atu_flush(device_t, e6000sw_softc_t *, int); 120 static __inline void e6000sw_writereg(e6000sw_softc_t *, int, int, int); 121 static __inline uint32_t e6000sw_readreg(e6000sw_softc_t *, int, int); 122 static int e6000sw_ifmedia_upd(struct ifnet *); 123 static void e6000sw_ifmedia_sts(struct ifnet *, struct ifmediareq *); 124 static int e6000sw_atu_mac_table(device_t, e6000sw_softc_t *, struct atu_opt *, 125 int); 126 static int e6000sw_get_pvid(e6000sw_softc_t *, int, int *); 127 static int e6000sw_set_pvid(e6000sw_softc_t *, int, int); 128 static __inline bool e6000sw_is_cpuport(e6000sw_softc_t *, int); 129 static __inline bool e6000sw_is_fixedport(e6000sw_softc_t *, int); 130 static __inline bool e6000sw_is_fixed25port(e6000sw_softc_t *, int); 131 static __inline bool e6000sw_is_phyport(e6000sw_softc_t *, int); 132 static __inline bool e6000sw_is_portenabled(e6000sw_softc_t *, int); 133 static __inline struct mii_data *e6000sw_miiforphy(e6000sw_softc_t *, 134 unsigned int); 135 136 static device_method_t e6000sw_methods[] = { 137 /* device interface */ 138 DEVMETHOD(device_identify, e6000sw_identify), 139 DEVMETHOD(device_probe, e6000sw_probe), 140 DEVMETHOD(device_attach, e6000sw_attach), 141 DEVMETHOD(device_detach, e6000sw_detach), 142 143 /* bus interface */ 144 DEVMETHOD(bus_add_child, device_add_child_ordered), 145 146 /* mii interface */ 147 DEVMETHOD(miibus_readreg, e6000sw_readphy), 148 DEVMETHOD(miibus_writereg, e6000sw_writephy), 149 150 /* etherswitch interface */ 151 DEVMETHOD(etherswitch_getinfo, e6000sw_getinfo), 152 DEVMETHOD(etherswitch_getconf, e6000sw_getconf), 153 DEVMETHOD(etherswitch_lock, e6000sw_lock), 154 DEVMETHOD(etherswitch_unlock, e6000sw_unlock), 155 DEVMETHOD(etherswitch_getport, e6000sw_getport), 156 DEVMETHOD(etherswitch_setport, e6000sw_setport), 157 DEVMETHOD(etherswitch_readreg, e6000sw_readreg_wrapper), 158 DEVMETHOD(etherswitch_writereg, e6000sw_writereg_wrapper), 159 DEVMETHOD(etherswitch_readphyreg, e6000sw_readphy_wrapper), 160 DEVMETHOD(etherswitch_writephyreg, e6000sw_writephy_wrapper), 161 DEVMETHOD(etherswitch_setvgroup, e6000sw_setvgroup_wrapper), 162 DEVMETHOD(etherswitch_getvgroup, e6000sw_getvgroup_wrapper), 163 164 DEVMETHOD_END 165 }; 166 167 static devclass_t e6000sw_devclass; 168 169 DEFINE_CLASS_0(e6000sw, e6000sw_driver, e6000sw_methods, 170 sizeof(e6000sw_softc_t)); 171 172 DRIVER_MODULE(e6000sw, mdio, e6000sw_driver, e6000sw_devclass, 0, 0); 173 DRIVER_MODULE(etherswitch, e6000sw, etherswitch_driver, etherswitch_devclass, 0, 174 0); 175 DRIVER_MODULE(miibus, e6000sw, miibus_driver, miibus_devclass, 0, 0); 176 MODULE_DEPEND(e6000sw, mdio, 1, 1, 1); 177 178 #define SMI_CMD 0 179 #define SMI_CMD_BUSY (1 << 15) 180 #define SMI_CMD_OP_READ ((2 << 10) | SMI_CMD_BUSY | (1 << 12)) 181 #define SMI_CMD_OP_WRITE ((1 << 10) | SMI_CMD_BUSY | (1 << 12)) 182 #define SMI_DATA 1 183 184 #define MDIO_READ(dev, addr, reg) \ 185 MDIO_READREG(device_get_parent(dev), (addr), (reg)) 186 #define MDIO_WRITE(dev, addr, reg, val) \ 187 MDIO_WRITEREG(device_get_parent(dev), (addr), (reg), (val)) 188 189 static void 190 e6000sw_identify(driver_t *driver, device_t parent) 191 { 192 193 if (device_find_child(parent, "e6000sw", -1) == NULL) 194 BUS_ADD_CHILD(parent, 0, "e6000sw", -1); 195 } 196 197 static int 198 e6000sw_probe(device_t dev) 199 { 200 e6000sw_softc_t *sc; 201 const char *description; 202 phandle_t switch_node; 203 204 switch_node = ofw_bus_find_compatible(OF_finddevice("/"), 205 "marvell,mv88e6085"); 206 207 if (switch_node == 0) 208 return (ENXIO); 209 210 if (bootverbose) 211 device_printf(dev, "Found switch_node: 0x%x\n", switch_node); 212 213 sc = device_get_softc(dev); 214 sc->dev = dev; 215 sc->node = switch_node; 216 217 if (OF_getencprop(sc->node, "reg", &sc->sw_addr, 218 sizeof(sc->sw_addr)) < 0) 219 return (ENXIO); 220 221 /* 222 * According to the Linux source code, all of the Switch IDs we support 223 * are multi_chip capable, and should go into multi-chip mode if the 224 * sw_addr != 0. 225 */ 226 if (!OF_hasprop(sc->node, "single-chip-addressing") && sc->sw_addr != 0) 227 sc->multi_chip = true; 228 229 /* 230 * Create temporary lock, just to satisfy assertions, 231 * when obtaining the switch ID. Destroy immediately afterwards. 232 */ 233 sx_init(&sc->sx, "e6000sw_tmp"); 234 E6000SW_LOCK(sc); 235 sc->swid = e6000sw_readreg(sc, REG_PORT(0), SWITCH_ID) & 0xfff0; 236 E6000SW_UNLOCK(sc); 237 sx_destroy(&sc->sx); 238 239 switch (sc->swid) { 240 case MV88E6141: 241 description = "Marvell 88E6141"; 242 sc->phy_base = 0x10; 243 sc->num_ports = 6; 244 break; 245 case MV88E6341: 246 description = "Marvell 88E6341"; 247 sc->phy_base = 0x10; 248 sc->num_ports = 6; 249 break; 250 case MV88E6352: 251 description = "Marvell 88E6352"; 252 sc->num_ports = 7; 253 break; 254 case MV88E6172: 255 description = "Marvell 88E6172"; 256 sc->num_ports = 7; 257 break; 258 case MV88E6176: 259 description = "Marvell 88E6176"; 260 sc->num_ports = 7; 261 break; 262 default: 263 device_printf(dev, "Unrecognized device, id 0x%x.\n", sc->swid); 264 return (ENXIO); 265 } 266 267 device_set_desc(dev, description); 268 269 return (BUS_PROBE_DEFAULT); 270 } 271 272 static int 273 e6000sw_parse_fixed_link(e6000sw_softc_t *sc, phandle_t node, uint32_t port) 274 { 275 int speed; 276 phandle_t fixed_link; 277 278 fixed_link = ofw_bus_find_child(node, "fixed-link"); 279 280 if (fixed_link != 0) { 281 sc->fixed_mask |= (1 << port); 282 283 if (OF_getencprop(fixed_link, "speed", &speed, sizeof(speed))> 0) { 284 if (speed == 2500 && 285 (MVSWITCH(sc, MV88E6141) || 286 MVSWITCH(sc, MV88E6341))) 287 sc->fixed25_mask |= (1 << port); 288 } else { 289 device_printf(sc->dev, 290 "Port %d has a fixed-link node without a speed " 291 "property\n", port); 292 293 return (ENXIO); 294 } 295 } 296 297 return (0); 298 } 299 300 static int 301 e6000sw_parse_ethernet(e6000sw_softc_t *sc, phandle_t port_handle, uint32_t port) { 302 phandle_t switch_eth, switch_eth_handle; 303 304 if (OF_getencprop(port_handle, "ethernet", (void*)&switch_eth_handle, 305 sizeof(switch_eth_handle)) > 0) { 306 if (switch_eth_handle > 0) { 307 switch_eth = OF_node_from_xref(switch_eth_handle); 308 309 device_printf(sc->dev, "CPU port at %d\n", port); 310 sc->cpuports_mask |= (1 << port); 311 312 return (e6000sw_parse_fixed_link(sc, switch_eth, port)); 313 } else 314 device_printf(sc->dev, 315 "Port %d has ethernet property but it points " 316 "to an invalid location\n", port); 317 } 318 319 return (0); 320 } 321 322 static int 323 e6000sw_parse_child_fdt(e6000sw_softc_t *sc, phandle_t child, int *pport) 324 { 325 uint32_t port; 326 327 if (pport == NULL) 328 return (ENXIO); 329 330 if (OF_getencprop(child, "reg", (void *)&port, sizeof(port)) < 0) 331 return (ENXIO); 332 if (port >= sc->num_ports) 333 return (ENXIO); 334 *pport = port; 335 336 if (e6000sw_parse_fixed_link(sc, child, port) != 0) 337 return (ENXIO); 338 339 if (e6000sw_parse_ethernet(sc, child, port) != 0) 340 return (ENXIO); 341 342 if ((sc->fixed_mask & (1 << port)) != 0) 343 device_printf(sc->dev, "fixed port at %d\n", port); 344 else 345 device_printf(sc->dev, "PHY at port %d\n", port); 346 347 return (0); 348 } 349 350 static int 351 e6000sw_init_interface(e6000sw_softc_t *sc, int port) 352 { 353 char name[IFNAMSIZ]; 354 355 snprintf(name, IFNAMSIZ, "%sport", device_get_nameunit(sc->dev)); 356 357 sc->ifp[port] = if_alloc(IFT_ETHER); 358 if (sc->ifp[port] == NULL) 359 return (ENOMEM); 360 sc->ifp[port]->if_softc = sc; 361 sc->ifp[port]->if_flags |= IFF_UP | IFF_BROADCAST | 362 IFF_DRV_RUNNING | IFF_SIMPLEX; 363 sc->ifname[port] = malloc(strlen(name) + 1, M_E6000SW, M_NOWAIT); 364 if (sc->ifname[port] == NULL) { 365 if_free(sc->ifp[port]); 366 return (ENOMEM); 367 } 368 memcpy(sc->ifname[port], name, strlen(name) + 1); 369 if_initname(sc->ifp[port], sc->ifname[port], port); 370 371 return (0); 372 } 373 374 static int 375 e6000sw_attach_miibus(e6000sw_softc_t *sc, int port) 376 { 377 int err; 378 379 err = mii_attach(sc->dev, &sc->miibus[port], sc->ifp[port], 380 e6000sw_ifmedia_upd, e6000sw_ifmedia_sts, BMSR_DEFCAPMASK, 381 port + sc->phy_base, MII_OFFSET_ANY, 0); 382 if (err != 0) 383 return (err); 384 385 return (0); 386 } 387 388 static int 389 e6000sw_attach(device_t dev) 390 { 391 e6000sw_softc_t *sc; 392 phandle_t child, ports; 393 int err, port; 394 uint32_t reg; 395 396 err = 0; 397 sc = device_get_softc(dev); 398 399 if (sc->multi_chip) 400 device_printf(dev, "multi-chip addressing mode\n"); 401 else 402 device_printf(dev, "single-chip addressing mode\n"); 403 404 sx_init(&sc->sx, "e6000sw"); 405 406 E6000SW_LOCK(sc); 407 e6000sw_setup(dev, sc); 408 409 ports = ofw_bus_find_child(sc->node, "ports"); 410 411 if (ports == 0) { 412 device_printf(dev, "failed to parse DTS: no ports found for " 413 "switch\n"); 414 return (ENXIO); 415 } 416 417 for (child = OF_child(ports); child != 0; child = OF_peer(child)) { 418 err = e6000sw_parse_child_fdt(sc, child, &port); 419 if (err != 0) { 420 device_printf(sc->dev, "failed to parse DTS\n"); 421 goto out_fail; 422 } 423 424 /* Port is in use. */ 425 sc->ports_mask |= (1 << port); 426 427 err = e6000sw_init_interface(sc, port); 428 if (err != 0) { 429 device_printf(sc->dev, "failed to init interface\n"); 430 goto out_fail; 431 } 432 433 if (e6000sw_is_fixedport(sc, port)) { 434 /* Link must be down to change speed force value. */ 435 reg = e6000sw_readreg(sc, REG_PORT(port), PSC_CONTROL); 436 reg &= ~PSC_CONTROL_LINK_UP; 437 reg |= PSC_CONTROL_FORCED_LINK; 438 e6000sw_writereg(sc, REG_PORT(port), PSC_CONTROL, reg); 439 440 /* 441 * Force speed, full-duplex, EEE off and flow-control 442 * on. 443 */ 444 if (e6000sw_is_fixed25port(sc, port)) 445 reg = PSC_CONTROL_SPD2500; 446 else 447 reg = PSC_CONTROL_SPD1000; 448 reg |= PSC_CONTROL_FORCED_DPX | PSC_CONTROL_FULLDPX | 449 PSC_CONTROL_FORCED_LINK | PSC_CONTROL_LINK_UP | 450 PSC_CONTROL_FORCED_FC | PSC_CONTROL_FC_ON | 451 PSC_CONTROL_FORCED_SPD; 452 if (MVSWITCH(sc, MV88E6141) || MVSWITCH(sc, MV88E6341)) 453 reg |= PSC_CONTROL_FORCED_EEE; 454 e6000sw_writereg(sc, REG_PORT(port), PSC_CONTROL, reg); 455 } 456 457 /* Don't attach miibus at CPU/fixed ports */ 458 if (!e6000sw_is_phyport(sc, port)) 459 continue; 460 461 err = e6000sw_attach_miibus(sc, port); 462 if (err != 0) { 463 device_printf(sc->dev, "failed to attach miibus\n"); 464 goto out_fail; 465 } 466 } 467 468 etherswitch_info.es_nports = sc->num_ports; 469 470 /* Default to port vlan. */ 471 e6000sw_port_vlan_conf(sc); 472 E6000SW_UNLOCK(sc); 473 474 bus_generic_probe(dev); 475 bus_generic_attach(dev); 476 477 kproc_create(e6000sw_tick, sc, &sc->kproc, 0, 0, "e6000sw tick kproc"); 478 479 return (0); 480 481 out_fail: 482 E6000SW_UNLOCK(sc); 483 e6000sw_detach(dev); 484 485 return (err); 486 } 487 488 static __inline int 489 e6000sw_poll_done(e6000sw_softc_t *sc) 490 { 491 int i; 492 493 for (i = 0; i < E6000SW_SMI_TIMEOUT; i++) { 494 495 if ((e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG) & 496 (1 << PHY_CMD_SMI_BUSY)) == 0) 497 return (0); 498 499 pause("e6000sw PHY poll", hz/1000); 500 } 501 502 return (ETIMEDOUT); 503 } 504 505 /* 506 * PHY registers are paged. Put page index in reg 22 (accessible from every 507 * page), then access specific register. 508 */ 509 static int 510 e6000sw_readphy(device_t dev, int phy, int reg) 511 { 512 e6000sw_softc_t *sc; 513 uint32_t val; 514 int err; 515 516 sc = device_get_softc(dev); 517 if (!e6000sw_is_phyport(sc, phy) || reg >= E6000SW_NUM_PHY_REGS) { 518 device_printf(dev, "Wrong register address.\n"); 519 return (EINVAL); 520 } 521 522 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 523 524 err = e6000sw_poll_done(sc); 525 if (err != 0) { 526 device_printf(dev, "Timeout while waiting for switch\n"); 527 return (err); 528 } 529 530 val = 1 << PHY_CMD_SMI_BUSY; 531 val |= PHY_CMD_MODE_MDIO << PHY_CMD_MODE; 532 val |= PHY_CMD_OPCODE_READ << PHY_CMD_OPCODE; 533 val |= (reg << PHY_CMD_REG_ADDR) & PHY_CMD_REG_ADDR_MASK; 534 val |= (phy << PHY_CMD_DEV_ADDR) & PHY_CMD_DEV_ADDR_MASK; 535 e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG, val); 536 537 err = e6000sw_poll_done(sc); 538 if (err != 0) { 539 device_printf(dev, "Timeout while waiting for switch\n"); 540 return (err); 541 } 542 543 val = e6000sw_readreg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG); 544 545 return (val & PHY_DATA_MASK); 546 } 547 548 static int 549 e6000sw_writephy(device_t dev, int phy, int reg, int data) 550 { 551 e6000sw_softc_t *sc; 552 uint32_t val; 553 int err; 554 555 sc = device_get_softc(dev); 556 if (!e6000sw_is_phyport(sc, phy) || reg >= E6000SW_NUM_PHY_REGS) { 557 device_printf(dev, "Wrong register address.\n"); 558 return (EINVAL); 559 } 560 561 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 562 563 err = e6000sw_poll_done(sc); 564 if (err != 0) { 565 device_printf(dev, "Timeout while waiting for switch\n"); 566 return (err); 567 } 568 569 val = 1 << PHY_CMD_SMI_BUSY; 570 val |= PHY_CMD_MODE_MDIO << PHY_CMD_MODE; 571 val |= PHY_CMD_OPCODE_WRITE << PHY_CMD_OPCODE; 572 val |= (reg << PHY_CMD_REG_ADDR) & PHY_CMD_REG_ADDR_MASK; 573 val |= (phy << PHY_CMD_DEV_ADDR) & PHY_CMD_DEV_ADDR_MASK; 574 e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_DATA_REG, 575 data & PHY_DATA_MASK); 576 e6000sw_writereg(sc, REG_GLOBAL2, SMI_PHY_CMD_REG, val); 577 578 err = e6000sw_poll_done(sc); 579 if (err != 0) 580 device_printf(dev, "Timeout while waiting for switch\n"); 581 582 return (err); 583 } 584 585 static int 586 e6000sw_detach(device_t dev) 587 { 588 int phy; 589 e6000sw_softc_t *sc; 590 591 sc = device_get_softc(dev); 592 bus_generic_detach(dev); 593 sx_destroy(&sc->sx); 594 for (phy = 0; phy < sc->num_ports; phy++) { 595 if (sc->miibus[phy] != NULL) 596 device_delete_child(dev, sc->miibus[phy]); 597 if (sc->ifp[phy] != NULL) 598 if_free(sc->ifp[phy]); 599 if (sc->ifname[phy] != NULL) 600 free(sc->ifname[phy], M_E6000SW); 601 } 602 603 return (0); 604 } 605 606 static etherswitch_info_t* 607 e6000sw_getinfo(device_t dev) 608 { 609 610 return (ðerswitch_info); 611 } 612 613 static int 614 e6000sw_getconf(device_t dev, etherswitch_conf_t *conf) 615 { 616 struct e6000sw_softc *sc; 617 618 /* Return the VLAN mode. */ 619 sc = device_get_softc(dev); 620 conf->cmd = ETHERSWITCH_CONF_VLAN_MODE; 621 conf->vlan_mode = sc->vlan_mode; 622 623 return (0); 624 } 625 626 static void 627 e6000sw_lock(device_t dev) 628 { 629 struct e6000sw_softc *sc; 630 631 sc = device_get_softc(dev); 632 633 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 634 E6000SW_LOCK(sc); 635 } 636 637 static void 638 e6000sw_unlock(device_t dev) 639 { 640 struct e6000sw_softc *sc; 641 642 sc = device_get_softc(dev); 643 644 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 645 E6000SW_UNLOCK(sc); 646 } 647 648 static int 649 e6000sw_getport(device_t dev, etherswitch_port_t *p) 650 { 651 struct mii_data *mii; 652 int err; 653 struct ifmediareq *ifmr; 654 655 e6000sw_softc_t *sc = device_get_softc(dev); 656 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 657 658 if (p->es_port >= sc->num_ports || p->es_port < 0) 659 return (EINVAL); 660 if (!e6000sw_is_portenabled(sc, p->es_port)) 661 return (0); 662 663 err = 0; 664 E6000SW_LOCK(sc); 665 e6000sw_get_pvid(sc, p->es_port, &p->es_pvid); 666 667 if (e6000sw_is_fixedport(sc, p->es_port)) { 668 if (e6000sw_is_cpuport(sc, p->es_port)) 669 p->es_flags |= ETHERSWITCH_PORT_CPU; 670 ifmr = &p->es_ifmr; 671 ifmr->ifm_status = IFM_ACTIVE | IFM_AVALID; 672 ifmr->ifm_count = 0; 673 if (e6000sw_is_fixed25port(sc, p->es_port)) 674 ifmr->ifm_active = IFM_2500_T; 675 else 676 ifmr->ifm_active = IFM_1000_T; 677 ifmr->ifm_active |= IFM_ETHER | IFM_FDX; 678 ifmr->ifm_current = ifmr->ifm_active; 679 ifmr->ifm_mask = 0; 680 } else { 681 mii = e6000sw_miiforphy(sc, p->es_port); 682 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, 683 &mii->mii_media, SIOCGIFMEDIA); 684 } 685 E6000SW_UNLOCK(sc); 686 687 return (err); 688 } 689 690 static int 691 e6000sw_setport(device_t dev, etherswitch_port_t *p) 692 { 693 e6000sw_softc_t *sc; 694 int err; 695 struct mii_data *mii; 696 697 sc = device_get_softc(dev); 698 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 699 700 if (p->es_port >= sc->num_ports || p->es_port < 0) 701 return (EINVAL); 702 if (!e6000sw_is_portenabled(sc, p->es_port)) 703 return (0); 704 705 err = 0; 706 E6000SW_LOCK(sc); 707 if (p->es_pvid != 0) 708 e6000sw_set_pvid(sc, p->es_port, p->es_pvid); 709 if (e6000sw_is_phyport(sc, p->es_port)) { 710 mii = e6000sw_miiforphy(sc, p->es_port); 711 err = ifmedia_ioctl(mii->mii_ifp, &p->es_ifr, &mii->mii_media, 712 SIOCSIFMEDIA); 713 } 714 E6000SW_UNLOCK(sc); 715 716 return (err); 717 } 718 719 /* 720 * Registers in this switch are divided into sections, specified in 721 * documentation. So as to access any of them, section index and reg index 722 * is necessary. etherswitchcfg uses only one variable, so indexes were 723 * compressed into addr_reg: 32 * section_index + reg_index. 724 */ 725 static int 726 e6000sw_readreg_wrapper(device_t dev, int addr_reg) 727 { 728 729 if ((addr_reg > (REG_GLOBAL2 * 32 + REG_NUM_MAX)) || 730 (addr_reg < (REG_PORT(0) * 32))) { 731 device_printf(dev, "Wrong register address.\n"); 732 return (EINVAL); 733 } 734 735 return (e6000sw_readreg(device_get_softc(dev), addr_reg / 32, 736 addr_reg % 32)); 737 } 738 739 static int 740 e6000sw_writereg_wrapper(device_t dev, int addr_reg, int val) 741 { 742 743 if ((addr_reg > (REG_GLOBAL2 * 32 + REG_NUM_MAX)) || 744 (addr_reg < (REG_PORT(0) * 32))) { 745 device_printf(dev, "Wrong register address.\n"); 746 return (EINVAL); 747 } 748 e6000sw_writereg(device_get_softc(dev), addr_reg / 5, 749 addr_reg % 32, val); 750 751 return (0); 752 } 753 754 /* 755 * These wrappers are necessary because PHY accesses from etherswitchcfg 756 * need to be synchronized with locks, while miibus PHY accesses do not. 757 */ 758 static int 759 e6000sw_readphy_wrapper(device_t dev, int phy, int reg) 760 { 761 e6000sw_softc_t *sc; 762 int ret; 763 764 sc = device_get_softc(dev); 765 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 766 767 E6000SW_LOCK(sc); 768 ret = e6000sw_readphy(dev, phy, reg); 769 E6000SW_UNLOCK(sc); 770 771 return (ret); 772 } 773 774 static int 775 e6000sw_writephy_wrapper(device_t dev, int phy, int reg, int data) 776 { 777 e6000sw_softc_t *sc; 778 int ret; 779 780 sc = device_get_softc(dev); 781 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 782 783 E6000SW_LOCK(sc); 784 ret = e6000sw_writephy(dev, phy, reg, data); 785 E6000SW_UNLOCK(sc); 786 787 return (ret); 788 } 789 790 /* 791 * setvgroup/getvgroup called from etherswitchfcg need to be locked, 792 * while internal calls do not. 793 */ 794 static int 795 e6000sw_setvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg) 796 { 797 e6000sw_softc_t *sc; 798 int ret; 799 800 sc = device_get_softc(dev); 801 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 802 803 E6000SW_LOCK(sc); 804 ret = e6000sw_setvgroup(dev, vg); 805 E6000SW_UNLOCK(sc); 806 807 return (ret); 808 } 809 810 static int 811 e6000sw_getvgroup_wrapper(device_t dev, etherswitch_vlangroup_t *vg) 812 { 813 e6000sw_softc_t *sc; 814 int ret; 815 816 sc = device_get_softc(dev); 817 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 818 819 E6000SW_LOCK(sc); 820 ret = e6000sw_getvgroup(dev, vg); 821 E6000SW_UNLOCK(sc); 822 823 return (ret); 824 } 825 826 static __inline void 827 e6000sw_port_vlan_assign(e6000sw_softc_t *sc, int port, uint32_t fid, 828 uint32_t members) 829 { 830 uint32_t reg; 831 832 reg = e6000sw_readreg(sc, REG_PORT(port), PORT_VLAN_MAP); 833 reg &= ~PORT_VLAN_MAP_TABLE_MASK; 834 reg &= ~PORT_VLAN_MAP_FID_MASK; 835 reg |= members & PORT_VLAN_MAP_TABLE_MASK & ~(1 << port); 836 reg |= (fid << PORT_VLAN_MAP_FID) & PORT_VLAN_MAP_FID_MASK; 837 e6000sw_writereg(sc, REG_PORT(port), PORT_VLAN_MAP, reg); 838 reg = e6000sw_readreg(sc, REG_PORT(port), PORT_CONTROL_1); 839 reg &= ~PORT_CONTROL_1_FID_MASK; 840 reg |= (fid >> 4) & PORT_CONTROL_1_FID_MASK; 841 e6000sw_writereg(sc, REG_PORT(port), PORT_CONTROL_1, reg); 842 } 843 844 static int 845 e6000sw_set_port_vlan(e6000sw_softc_t *sc, etherswitch_vlangroup_t *vg) 846 { 847 uint32_t port; 848 849 port = vg->es_vlangroup; 850 if (port > sc->num_ports) 851 return (EINVAL); 852 853 if (vg->es_member_ports != vg->es_untagged_ports) { 854 device_printf(sc->dev, "Tagged ports not supported.\n"); 855 return (EINVAL); 856 } 857 858 e6000sw_port_vlan_assign(sc, port, port + 1, vg->es_untagged_ports); 859 vg->es_vid = port | ETHERSWITCH_VID_VALID; 860 861 return (0); 862 } 863 864 static int 865 e6000sw_setvgroup(device_t dev, etherswitch_vlangroup_t *vg) 866 { 867 e6000sw_softc_t *sc; 868 869 sc = device_get_softc(dev); 870 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 871 872 if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) 873 return (e6000sw_set_port_vlan(sc, vg)); 874 875 return (EINVAL); 876 } 877 878 static int 879 e6000sw_get_port_vlan(e6000sw_softc_t *sc, etherswitch_vlangroup_t *vg) 880 { 881 uint32_t port, reg; 882 883 port = vg->es_vlangroup; 884 if (port > sc->num_ports) 885 return (EINVAL); 886 887 if (!e6000sw_is_portenabled(sc, port)) { 888 vg->es_vid = port; 889 return (0); 890 } 891 892 reg = e6000sw_readreg(sc, REG_PORT(port), PORT_VLAN_MAP); 893 vg->es_untagged_ports = vg->es_member_ports = 894 reg & PORT_VLAN_MAP_TABLE_MASK; 895 vg->es_vid = port | ETHERSWITCH_VID_VALID; 896 vg->es_fid = (reg & PORT_VLAN_MAP_FID_MASK) >> PORT_VLAN_MAP_FID; 897 reg = e6000sw_readreg(sc, REG_PORT(port), PORT_CONTROL_1); 898 vg->es_fid |= (reg & PORT_CONTROL_1_FID_MASK) << 4; 899 900 return (0); 901 } 902 903 static int 904 e6000sw_getvgroup(device_t dev, etherswitch_vlangroup_t *vg) 905 { 906 e6000sw_softc_t *sc; 907 908 sc = device_get_softc(dev); 909 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 910 911 if (sc->vlan_mode == ETHERSWITCH_VLAN_PORT) 912 return (e6000sw_get_port_vlan(sc, vg)); 913 914 return (EINVAL); 915 } 916 917 static __inline struct mii_data* 918 e6000sw_miiforphy(e6000sw_softc_t *sc, unsigned int phy) 919 { 920 921 if (!e6000sw_is_phyport(sc, phy)) 922 return (NULL); 923 924 return (device_get_softc(sc->miibus[phy])); 925 } 926 927 static int 928 e6000sw_ifmedia_upd(struct ifnet *ifp) 929 { 930 e6000sw_softc_t *sc; 931 struct mii_data *mii; 932 933 sc = ifp->if_softc; 934 mii = e6000sw_miiforphy(sc, ifp->if_dunit); 935 if (mii == NULL) 936 return (ENXIO); 937 mii_mediachg(mii); 938 939 return (0); 940 } 941 942 static void 943 e6000sw_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 944 { 945 e6000sw_softc_t *sc; 946 struct mii_data *mii; 947 948 sc = ifp->if_softc; 949 mii = e6000sw_miiforphy(sc, ifp->if_dunit); 950 951 if (mii == NULL) 952 return; 953 954 mii_pollstat(mii); 955 ifmr->ifm_active = mii->mii_media_active; 956 ifmr->ifm_status = mii->mii_media_status; 957 } 958 959 static int 960 e6000sw_smi_waitready(e6000sw_softc_t *sc, int phy) 961 { 962 int i; 963 964 for (i = 0; i < E6000SW_SMI_TIMEOUT; i++) { 965 if ((MDIO_READ(sc->dev, phy, SMI_CMD) & SMI_CMD_BUSY) == 0) 966 return (0); 967 DELAY(1); 968 } 969 970 return (1); 971 } 972 973 static __inline uint32_t 974 e6000sw_readreg(e6000sw_softc_t *sc, int addr, int reg) 975 { 976 977 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 978 979 if (!sc->multi_chip) 980 return (MDIO_READ(sc->dev, addr, reg) & 0xffff); 981 982 if (e6000sw_smi_waitready(sc, sc->sw_addr)) { 983 printf("e6000sw: readreg timeout\n"); 984 return (0xffff); 985 } 986 MDIO_WRITE(sc->dev, sc->sw_addr, SMI_CMD, 987 SMI_CMD_OP_READ | (addr << 5) | reg); 988 if (e6000sw_smi_waitready(sc, sc->sw_addr)) { 989 printf("e6000sw: readreg timeout\n"); 990 return (0xffff); 991 } 992 993 return (MDIO_READ(sc->dev, sc->sw_addr, SMI_DATA) & 0xffff); 994 } 995 996 static __inline void 997 e6000sw_writereg(e6000sw_softc_t *sc, int addr, int reg, int val) 998 { 999 1000 E6000SW_LOCK_ASSERT(sc, SA_XLOCKED); 1001 1002 if (!sc->multi_chip) { 1003 MDIO_WRITE(sc->dev, addr, reg, val); 1004 return; 1005 } 1006 1007 if (e6000sw_smi_waitready(sc, sc->sw_addr)) { 1008 printf("e6000sw: readreg timeout\n"); 1009 return; 1010 } 1011 MDIO_WRITE(sc->dev, sc->sw_addr, SMI_DATA, val); 1012 MDIO_WRITE(sc->dev, sc->sw_addr, SMI_CMD, 1013 SMI_CMD_OP_WRITE | (addr << 5) | reg); 1014 if (e6000sw_smi_waitready(sc, sc->sw_addr)) { 1015 printf("e6000sw: readreg timeout\n"); 1016 return; 1017 } 1018 } 1019 1020 static __inline bool 1021 e6000sw_is_cpuport(e6000sw_softc_t *sc, int port) 1022 { 1023 1024 return ((sc->cpuports_mask & (1 << port)) ? true : false); 1025 } 1026 1027 static __inline bool 1028 e6000sw_is_fixedport(e6000sw_softc_t *sc, int port) 1029 { 1030 1031 return ((sc->fixed_mask & (1 << port)) ? true : false); 1032 } 1033 1034 static __inline bool 1035 e6000sw_is_fixed25port(e6000sw_softc_t *sc, int port) 1036 { 1037 1038 return ((sc->fixed25_mask & (1 << port)) ? true : false); 1039 } 1040 1041 static __inline bool 1042 e6000sw_is_phyport(e6000sw_softc_t *sc, int port) 1043 { 1044 uint32_t phy_mask; 1045 phy_mask = ~(sc->fixed_mask | sc->cpuports_mask); 1046 1047 return ((phy_mask & (1 << port)) ? true : false); 1048 } 1049 1050 static __inline bool 1051 e6000sw_is_portenabled(e6000sw_softc_t *sc, int port) 1052 { 1053 1054 return ((sc->ports_mask & (1 << port)) ? true : false); 1055 } 1056 1057 static __inline int 1058 e6000sw_set_pvid(e6000sw_softc_t *sc, int port, int pvid) 1059 { 1060 1061 e6000sw_writereg(sc, REG_PORT(port), PORT_VID, pvid & 1062 PORT_VID_DEF_VID_MASK); 1063 1064 return (0); 1065 } 1066 1067 static __inline int 1068 e6000sw_get_pvid(e6000sw_softc_t *sc, int port, int *pvid) 1069 { 1070 1071 if (pvid == NULL) 1072 return (ENXIO); 1073 1074 *pvid = e6000sw_readreg(sc, REG_PORT(port), PORT_VID) & 1075 PORT_VID_DEF_VID_MASK; 1076 1077 return (0); 1078 } 1079 1080 /* 1081 * Convert port status to ifmedia. 1082 */ 1083 static void 1084 e6000sw_update_ifmedia(uint16_t portstatus, u_int *media_status, u_int *media_active) 1085 { 1086 *media_active = IFM_ETHER; 1087 *media_status = IFM_AVALID; 1088 1089 if ((portstatus & PORT_STATUS_LINK_MASK) != 0) 1090 *media_status |= IFM_ACTIVE; 1091 else { 1092 *media_active |= IFM_NONE; 1093 return; 1094 } 1095 1096 switch (portstatus & PORT_STATUS_SPEED_MASK) { 1097 case PORT_STATUS_SPEED_10: 1098 *media_active |= IFM_10_T; 1099 break; 1100 case PORT_STATUS_SPEED_100: 1101 *media_active |= IFM_100_TX; 1102 break; 1103 case PORT_STATUS_SPEED_1000: 1104 *media_active |= IFM_1000_T; 1105 break; 1106 } 1107 1108 if ((portstatus & PORT_STATUS_DUPLEX_MASK) == 0) 1109 *media_active |= IFM_FDX; 1110 else 1111 *media_active |= IFM_HDX; 1112 } 1113 1114 static void 1115 e6000sw_tick (void *arg) 1116 { 1117 e6000sw_softc_t *sc; 1118 struct mii_data *mii; 1119 struct mii_softc *miisc; 1120 uint16_t portstatus; 1121 int port; 1122 1123 sc = arg; 1124 1125 E6000SW_LOCK_ASSERT(sc, SA_UNLOCKED); 1126 1127 for (;;) { 1128 E6000SW_LOCK(sc); 1129 for (port = 0; port < sc->num_ports; port++) { 1130 /* Tick only on PHY ports */ 1131 if (!e6000sw_is_portenabled(sc, port) || 1132 !e6000sw_is_phyport(sc, port)) 1133 continue; 1134 1135 mii = e6000sw_miiforphy(sc, port); 1136 if (mii == NULL) 1137 continue; 1138 1139 portstatus = e6000sw_readreg(sc, REG_PORT(port), 1140 PORT_STATUS); 1141 1142 e6000sw_update_ifmedia(portstatus, 1143 &mii->mii_media_status, &mii->mii_media_active); 1144 1145 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) { 1146 if (IFM_INST(mii->mii_media.ifm_cur->ifm_media) 1147 != miisc->mii_inst) 1148 continue; 1149 mii_phy_update(miisc, MII_POLLSTAT); 1150 } 1151 } 1152 E6000SW_UNLOCK(sc); 1153 pause("e6000sw tick", 1000); 1154 } 1155 } 1156 1157 static void 1158 e6000sw_setup(device_t dev, e6000sw_softc_t *sc) 1159 { 1160 uint16_t atu_ctrl, atu_age; 1161 1162 /* Set aging time */ 1163 e6000sw_writereg(sc, REG_GLOBAL, ATU_CONTROL, 1164 (E6000SW_DEFAULT_AGETIME << ATU_CONTROL_AGETIME) | 1165 (1 << ATU_CONTROL_LEARN2ALL)); 1166 1167 /* Send all with specific mac address to cpu port */ 1168 e6000sw_writereg(sc, REG_GLOBAL2, MGMT_EN_2x, MGMT_EN_ALL); 1169 e6000sw_writereg(sc, REG_GLOBAL2, MGMT_EN_0x, MGMT_EN_ALL); 1170 1171 /* Disable Remote Management */ 1172 e6000sw_writereg(sc, REG_GLOBAL, SWITCH_GLOBAL_CONTROL2, 0); 1173 1174 /* Disable loopback filter and flow control messages */ 1175 e6000sw_writereg(sc, REG_GLOBAL2, SWITCH_MGMT, 1176 SWITCH_MGMT_PRI_MASK | 1177 (1 << SWITCH_MGMT_RSVD2CPU) | 1178 SWITCH_MGMT_FC_PRI_MASK | 1179 (1 << SWITCH_MGMT_FORCEFLOW)); 1180 1181 e6000sw_atu_flush(dev, sc, NO_OPERATION); 1182 e6000sw_atu_mac_table(dev, sc, NULL, NO_OPERATION); 1183 e6000sw_set_atustat(dev, sc, 0, COUNT_ALL); 1184 1185 /* Set ATU AgeTime to 15 seconds */ 1186 atu_age = 1; 1187 1188 atu_ctrl = e6000sw_readreg(sc, REG_GLOBAL, ATU_CONTROL); 1189 1190 /* Set new AgeTime field */ 1191 atu_ctrl &= ~ATU_CONTROL_AGETIME_MASK; 1192 e6000sw_writereg(sc, REG_GLOBAL, ATU_CONTROL, atu_ctrl | 1193 (atu_age << ATU_CONTROL_AGETIME)); 1194 } 1195 1196 static void 1197 e6000sw_port_vlan_conf(e6000sw_softc_t *sc) 1198 { 1199 int i, port, ret; 1200 uint32_t members; 1201 1202 /* Disable all ports */ 1203 for (port = 0; port < sc->num_ports; port++) { 1204 ret = e6000sw_readreg(sc, REG_PORT(port), PORT_CONTROL); 1205 e6000sw_writereg(sc, REG_PORT(port), PORT_CONTROL, 1206 (ret & ~PORT_CONTROL_ENABLE)); 1207 } 1208 1209 /* Set port priority */ 1210 for (port = 0; port < sc->num_ports; port++) { 1211 if (!e6000sw_is_portenabled(sc, port)) 1212 continue; 1213 ret = e6000sw_readreg(sc, REG_PORT(port), PORT_VID); 1214 ret &= ~PORT_VID_PRIORITY_MASK; 1215 e6000sw_writereg(sc, REG_PORT(port), PORT_VID, ret); 1216 } 1217 1218 /* Set VID map */ 1219 for (port = 0; port < sc->num_ports; port++) { 1220 if (!e6000sw_is_portenabled(sc, port)) 1221 continue; 1222 ret = e6000sw_readreg(sc, REG_PORT(port), PORT_VID); 1223 ret &= ~PORT_VID_DEF_VID_MASK; 1224 ret |= (port + 1); 1225 e6000sw_writereg(sc, REG_PORT(port), PORT_VID, ret); 1226 } 1227 1228 /* Enable all ports */ 1229 for (port = 0; port < sc->num_ports; port++) { 1230 if (!e6000sw_is_portenabled(sc, port)) 1231 continue; 1232 ret = e6000sw_readreg(sc, REG_PORT(port), PORT_CONTROL); 1233 e6000sw_writereg(sc, REG_PORT(port), PORT_CONTROL, 1234 (ret | PORT_CONTROL_ENABLE)); 1235 } 1236 1237 /* Set VLAN mode. */ 1238 sc->vlan_mode = ETHERSWITCH_VLAN_PORT; 1239 etherswitch_info.es_nvlangroups = sc->num_ports; 1240 for (port = 0; port < sc->num_ports; port++) { 1241 members = 0; 1242 if (e6000sw_is_portenabled(sc, port)) { 1243 for (i = 0; i < sc->num_ports; i++) { 1244 if (i == port || !e6000sw_is_portenabled(sc, i)) 1245 continue; 1246 members |= (1 << i); 1247 } 1248 } 1249 e6000sw_port_vlan_assign(sc, port, port + 1, members); 1250 } 1251 } 1252 1253 static void 1254 e6000sw_set_atustat(device_t dev, e6000sw_softc_t *sc, int bin, int flag) 1255 { 1256 uint16_t ret; 1257 1258 ret = e6000sw_readreg(sc, REG_GLOBAL2, ATU_STATS); 1259 e6000sw_writereg(sc, REG_GLOBAL2, ATU_STATS, (bin << ATU_STATS_BIN ) | 1260 (flag << ATU_STATS_FLAG)); 1261 } 1262 1263 static int 1264 e6000sw_atu_mac_table(device_t dev, e6000sw_softc_t *sc, struct atu_opt *atu, 1265 int flag) 1266 { 1267 uint16_t ret_opt; 1268 uint16_t ret_data; 1269 int retries; 1270 1271 if (flag == NO_OPERATION) 1272 return (0); 1273 else if ((flag & (LOAD_FROM_FIB | PURGE_FROM_FIB | GET_NEXT_IN_FIB | 1274 GET_VIOLATION_DATA | CLEAR_VIOLATION_DATA)) == 0) { 1275 device_printf(dev, "Wrong Opcode for ATU operation\n"); 1276 return (EINVAL); 1277 } 1278 1279 ret_opt = e6000sw_readreg(sc, REG_GLOBAL, ATU_OPERATION); 1280 1281 if (ret_opt & ATU_UNIT_BUSY) { 1282 device_printf(dev, "ATU unit is busy, cannot access" 1283 "register\n"); 1284 return (EBUSY); 1285 } else { 1286 if(flag & LOAD_FROM_FIB) { 1287 ret_data = e6000sw_readreg(sc, REG_GLOBAL, ATU_DATA); 1288 e6000sw_writereg(sc, REG_GLOBAL2, ATU_DATA, (ret_data & 1289 ~ENTRY_STATE)); 1290 } 1291 e6000sw_writereg(sc, REG_GLOBAL, ATU_MAC_ADDR01, atu->mac_01); 1292 e6000sw_writereg(sc, REG_GLOBAL, ATU_MAC_ADDR23, atu->mac_23); 1293 e6000sw_writereg(sc, REG_GLOBAL, ATU_MAC_ADDR45, atu->mac_45); 1294 e6000sw_writereg(sc, REG_GLOBAL, ATU_FID, atu->fid); 1295 1296 e6000sw_writereg(sc, REG_GLOBAL, ATU_OPERATION, (ret_opt | 1297 ATU_UNIT_BUSY | flag)); 1298 1299 retries = E6000SW_RETRIES; 1300 while (--retries & (e6000sw_readreg(sc, REG_GLOBAL, 1301 ATU_OPERATION) & ATU_UNIT_BUSY)) 1302 DELAY(1); 1303 1304 if (retries == 0) 1305 device_printf(dev, "Timeout while flushing\n"); 1306 else if (flag & GET_NEXT_IN_FIB) { 1307 atu->mac_01 = e6000sw_readreg(sc, REG_GLOBAL, 1308 ATU_MAC_ADDR01); 1309 atu->mac_23 = e6000sw_readreg(sc, REG_GLOBAL, 1310 ATU_MAC_ADDR23); 1311 atu->mac_45 = e6000sw_readreg(sc, REG_GLOBAL, 1312 ATU_MAC_ADDR45); 1313 } 1314 } 1315 1316 return (0); 1317 } 1318 1319 static int 1320 e6000sw_atu_flush(device_t dev, e6000sw_softc_t *sc, int flag) 1321 { 1322 uint16_t ret; 1323 int retries; 1324 1325 if (flag == NO_OPERATION) 1326 return (0); 1327 1328 ret = e6000sw_readreg(sc, REG_GLOBAL, ATU_OPERATION); 1329 if (ret & ATU_UNIT_BUSY) { 1330 device_printf(dev, "Atu unit is busy, cannot flush\n"); 1331 return (EBUSY); 1332 } else { 1333 e6000sw_writereg(sc, REG_GLOBAL, ATU_OPERATION, (ret | 1334 ATU_UNIT_BUSY | flag)); 1335 retries = E6000SW_RETRIES; 1336 while (--retries & (e6000sw_readreg(sc, REG_GLOBAL, 1337 ATU_OPERATION) & ATU_UNIT_BUSY)) 1338 DELAY(1); 1339 1340 if (retries == 0) 1341 device_printf(dev, "Timeout while flushing\n"); 1342 } 1343 1344 return (0); 1345 } 1346