1 /*- 2 * Copyright (c) 2011 Rick van der Zwet <info@rickvanderzwet.nl> 3 * 4 * Permission to use, copy, modify, and distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 /*- 18 * Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net> 19 * 20 * Permission to use, copy, modify, and distribute this software for any 21 * purpose with or without fee is hereby granted, provided that the above 22 * copyright notice and this permission notice appear in all copies. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 25 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 26 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 27 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 28 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 29 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 30 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 31 */ 32 33 /*- 34 * Copyright (c) 2005, 2006, 2007 Jonathan Gray <jsg@openbsd.org> 35 * 36 * Permission to use, copy, modify, and distribute this software for any 37 * purpose with or without fee is hereby granted, provided that the above 38 * copyright notice and this permission notice appear in all copies. 39 * 40 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 41 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 42 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 43 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 44 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 45 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 46 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 47 */ 48 49 /*- 50 * Copyright (c) 1997, 1998, 1999, 2000-2003 51 * Bill Paul <wpaul@windriver.com>. All rights reserved. 52 * 53 * Redistribution and use in source and binary forms, with or without 54 * modification, are permitted provided that the following conditions 55 * are met: 56 * 1. Redistributions of source code must retain the above copyright 57 * notice, this list of conditions and the following disclaimer. 58 * 2. Redistributions in binary form must reproduce the above copyright 59 * notice, this list of conditions and the following disclaimer in the 60 * documentation and/or other materials provided with the distribution. 61 * 3. All advertising materials mentioning features or use of this software 62 * must display the following acknowledgement: 63 * This product includes software developed by Bill Paul. 64 * 4. Neither the name of the author nor the names of any co-contributors 65 * may be used to endorse or promote products derived from this software 66 * without specific prior written permission. 67 * 68 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 69 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 70 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 71 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 72 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 73 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 74 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 75 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 76 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 77 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 78 * THE POSSIBILITY OF SUCH DAMAGE. 79 */ 80 81 #include <sys/cdefs.h> 82 __FBSDID("$FreeBSD$"); 83 84 /* 85 * Moschip MCS7730/MCS7830/MCS7832 USB to Ethernet controller 86 * The datasheet is available at the following URL: 87 * http://www.moschip.com/data/products/MCS7830/Data%20Sheet_7830.pdf 88 */ 89 90 /* 91 * The FreeBSD if_mos.c driver is based on various different sources: 92 * The vendor provided driver at the following URL: 93 * http://www.moschip.com/data/products/MCS7830/Driver_FreeBSD_7830.tar.gz 94 * 95 * Mixed together with the OpenBSD if_mos.c driver for validation and checking 96 * and the FreeBSD if_reu.c as reference for the USB Ethernet framework. 97 */ 98 99 #include <sys/stdint.h> 100 #include <sys/stddef.h> 101 #include <sys/param.h> 102 #include <sys/queue.h> 103 #include <sys/types.h> 104 #include <sys/systm.h> 105 #include <sys/socket.h> 106 #include <sys/kernel.h> 107 #include <sys/bus.h> 108 #include <sys/module.h> 109 #include <sys/lock.h> 110 #include <sys/mutex.h> 111 #include <sys/condvar.h> 112 #include <sys/sysctl.h> 113 #include <sys/sx.h> 114 #include <sys/unistd.h> 115 #include <sys/callout.h> 116 #include <sys/malloc.h> 117 #include <sys/priv.h> 118 119 #include <net/if.h> 120 #include <net/if_var.h> 121 122 #include <dev/usb/usb.h> 123 #include <dev/usb/usbdi.h> 124 #include <dev/usb/usbdi_util.h> 125 #include "usbdevs.h" 126 127 #define USB_DEBUG_VAR mos_debug 128 #include <dev/usb/usb_debug.h> 129 #include <dev/usb/usb_process.h> 130 131 #include <dev/usb/net/usb_ethernet.h> 132 133 //#include <dev/usb/net/if_mosreg.h> 134 #include "if_mosreg.h" 135 136 #ifdef USB_DEBUG 137 static int mos_debug = 0; 138 139 static SYSCTL_NODE(_hw_usb, OID_AUTO, mos, CTLFLAG_RW, 0, "USB mos"); 140 SYSCTL_INT(_hw_usb_mos, OID_AUTO, debug, CTLFLAG_RWTUN, &mos_debug, 0, 141 "Debug level"); 142 #endif 143 144 #define MOS_DPRINTFN(fmt,...) \ 145 DPRINTF("mos: %s: " fmt "\n",__FUNCTION__,## __VA_ARGS__) 146 147 #define USB_PRODUCT_MOSCHIP_MCS7730 0x7730 148 #define USB_PRODUCT_SITECOMEU_LN030 0x0021 149 150 151 152 /* Various supported device vendors/products. */ 153 static const STRUCT_USB_HOST_ID mos_devs[] = { 154 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7730, MCS7730)}, 155 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7830, MCS7830)}, 156 {USB_VPI(USB_VENDOR_MOSCHIP, USB_PRODUCT_MOSCHIP_MCS7832, MCS7832)}, 157 {USB_VPI(USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN030, MCS7830)}, 158 }; 159 160 static int mos_probe(device_t dev); 161 static int mos_attach(device_t dev); 162 static void mos_attach_post(struct usb_ether *ue); 163 static int mos_detach(device_t dev); 164 165 static void mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error); 166 static void mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error); 167 static void mos_intr_callback(struct usb_xfer *xfer, usb_error_t error); 168 static void mos_tick(struct usb_ether *); 169 static void mos_start(struct usb_ether *); 170 static void mos_init(struct usb_ether *); 171 static void mos_chip_init(struct mos_softc *); 172 static void mos_stop(struct usb_ether *); 173 static int mos_miibus_readreg(device_t, int, int); 174 static int mos_miibus_writereg(device_t, int, int, int); 175 static void mos_miibus_statchg(device_t); 176 static int mos_ifmedia_upd(struct ifnet *); 177 static void mos_ifmedia_sts(struct ifnet *, struct ifmediareq *); 178 static void mos_reset(struct mos_softc *sc); 179 180 static int mos_reg_read_1(struct mos_softc *, int); 181 static int mos_reg_read_2(struct mos_softc *, int); 182 static int mos_reg_write_1(struct mos_softc *, int, int); 183 static int mos_reg_write_2(struct mos_softc *, int, int); 184 static int mos_readmac(struct mos_softc *, uint8_t *); 185 static int mos_writemac(struct mos_softc *, uint8_t *); 186 static int mos_write_mcast(struct mos_softc *, u_char *); 187 188 static void mos_setmulti(struct usb_ether *); 189 static void mos_setpromisc(struct usb_ether *); 190 191 static const struct usb_config mos_config[MOS_ENDPT_MAX] = { 192 193 [MOS_ENDPT_TX] = { 194 .type = UE_BULK, 195 .endpoint = UE_ADDR_ANY, 196 .direction = UE_DIR_OUT, 197 .bufsize = (MCLBYTES + 2), 198 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 199 .callback = mos_bulk_write_callback, 200 .timeout = 10000, 201 }, 202 203 [MOS_ENDPT_RX] = { 204 .type = UE_BULK, 205 .endpoint = UE_ADDR_ANY, 206 .direction = UE_DIR_IN, 207 .bufsize = (MCLBYTES + 4 + ETHER_CRC_LEN), 208 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 209 .callback = mos_bulk_read_callback, 210 }, 211 212 [MOS_ENDPT_INTR] = { 213 .type = UE_INTERRUPT, 214 .endpoint = UE_ADDR_ANY, 215 .direction = UE_DIR_IN, 216 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 217 .bufsize = 0, 218 .callback = mos_intr_callback, 219 }, 220 }; 221 222 static device_method_t mos_methods[] = { 223 /* Device interface */ 224 DEVMETHOD(device_probe, mos_probe), 225 DEVMETHOD(device_attach, mos_attach), 226 DEVMETHOD(device_detach, mos_detach), 227 228 /* MII interface */ 229 DEVMETHOD(miibus_readreg, mos_miibus_readreg), 230 DEVMETHOD(miibus_writereg, mos_miibus_writereg), 231 DEVMETHOD(miibus_statchg, mos_miibus_statchg), 232 233 DEVMETHOD_END 234 }; 235 236 static driver_t mos_driver = { 237 .name = "mos", 238 .methods = mos_methods, 239 .size = sizeof(struct mos_softc) 240 }; 241 242 static devclass_t mos_devclass; 243 244 DRIVER_MODULE(mos, uhub, mos_driver, mos_devclass, NULL, 0); 245 DRIVER_MODULE(miibus, mos, miibus_driver, miibus_devclass, 0, 0); 246 MODULE_DEPEND(mos, uether, 1, 1, 1); 247 MODULE_DEPEND(mos, usb, 1, 1, 1); 248 MODULE_DEPEND(mos, ether, 1, 1, 1); 249 MODULE_DEPEND(mos, miibus, 1, 1, 1); 250 251 static const struct usb_ether_methods mos_ue_methods = { 252 .ue_attach_post = mos_attach_post, 253 .ue_start = mos_start, 254 .ue_init = mos_init, 255 .ue_stop = mos_stop, 256 .ue_tick = mos_tick, 257 .ue_setmulti = mos_setmulti, 258 .ue_setpromisc = mos_setpromisc, 259 .ue_mii_upd = mos_ifmedia_upd, 260 .ue_mii_sts = mos_ifmedia_sts, 261 }; 262 263 264 static int 265 mos_reg_read_1(struct mos_softc *sc, int reg) 266 { 267 struct usb_device_request req; 268 usb_error_t err; 269 uByte val = 0; 270 271 req.bmRequestType = UT_READ_VENDOR_DEVICE; 272 req.bRequest = MOS_UR_READREG; 273 USETW(req.wValue, 0); 274 USETW(req.wIndex, reg); 275 USETW(req.wLength, 1); 276 277 err = uether_do_request(&sc->sc_ue, &req, &val, 1000); 278 279 if (err) { 280 MOS_DPRINTFN("mos_reg_read_1 error, reg: %d\n", reg); 281 return (-1); 282 } 283 return (val); 284 } 285 286 static int 287 mos_reg_read_2(struct mos_softc *sc, int reg) 288 { 289 struct usb_device_request req; 290 usb_error_t err; 291 uWord val; 292 293 USETW(val, 0); 294 295 req.bmRequestType = UT_READ_VENDOR_DEVICE; 296 req.bRequest = MOS_UR_READREG; 297 USETW(req.wValue, 0); 298 USETW(req.wIndex, reg); 299 USETW(req.wLength, 2); 300 301 err = uether_do_request(&sc->sc_ue, &req, &val, 1000); 302 303 if (err) { 304 MOS_DPRINTFN("mos_reg_read_2 error, reg: %d", reg); 305 return (-1); 306 } 307 return (UGETW(val)); 308 } 309 310 static int 311 mos_reg_write_1(struct mos_softc *sc, int reg, int aval) 312 { 313 struct usb_device_request req; 314 usb_error_t err; 315 uByte val; 316 val = aval; 317 318 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 319 req.bRequest = MOS_UR_WRITEREG; 320 USETW(req.wValue, 0); 321 USETW(req.wIndex, reg); 322 USETW(req.wLength, 1); 323 324 err = uether_do_request(&sc->sc_ue, &req, &val, 1000); 325 326 if (err) { 327 MOS_DPRINTFN("mos_reg_write_1 error, reg: %d", reg); 328 return (-1); 329 } 330 return (0); 331 } 332 333 static int 334 mos_reg_write_2(struct mos_softc *sc, int reg, int aval) 335 { 336 struct usb_device_request req; 337 usb_error_t err; 338 uWord val; 339 340 USETW(val, aval); 341 342 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 343 req.bRequest = MOS_UR_WRITEREG; 344 USETW(req.wValue, 0); 345 USETW(req.wIndex, reg); 346 USETW(req.wLength, 2); 347 348 err = uether_do_request(&sc->sc_ue, &req, &val, 1000); 349 350 if (err) { 351 MOS_DPRINTFN("mos_reg_write_2 error, reg: %d", reg); 352 return (-1); 353 } 354 return (0); 355 } 356 357 static int 358 mos_readmac(struct mos_softc *sc, u_char *mac) 359 { 360 struct usb_device_request req; 361 usb_error_t err; 362 363 req.bmRequestType = UT_READ_VENDOR_DEVICE; 364 req.bRequest = MOS_UR_READREG; 365 USETW(req.wValue, 0); 366 USETW(req.wIndex, MOS_MAC); 367 USETW(req.wLength, ETHER_ADDR_LEN); 368 369 err = uether_do_request(&sc->sc_ue, &req, mac, 1000); 370 371 if (err) { 372 return (-1); 373 } 374 return (0); 375 } 376 377 static int 378 mos_writemac(struct mos_softc *sc, uint8_t *mac) 379 { 380 struct usb_device_request req; 381 usb_error_t err; 382 383 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 384 req.bRequest = MOS_UR_WRITEREG; 385 USETW(req.wValue, 0); 386 USETW(req.wIndex, MOS_MAC); 387 USETW(req.wLength, ETHER_ADDR_LEN); 388 389 err = uether_do_request(&sc->sc_ue, &req, mac, 1000); 390 391 if (err) { 392 MOS_DPRINTFN("mos_writemac error"); 393 return (-1); 394 } 395 return (0); 396 } 397 398 static int 399 mos_write_mcast(struct mos_softc *sc, u_char *hashtbl) 400 { 401 struct usb_device_request req; 402 usb_error_t err; 403 404 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 405 req.bRequest = MOS_UR_WRITEREG; 406 USETW(req.wValue, 0); 407 USETW(req.wIndex, MOS_MCAST_TABLE); 408 USETW(req.wLength, 8); 409 410 err = uether_do_request(&sc->sc_ue, &req, hashtbl, 1000); 411 412 if (err) { 413 MOS_DPRINTFN("mos_reg_mcast error"); 414 return (-1); 415 } 416 return (0); 417 } 418 419 static int 420 mos_miibus_readreg(struct device *dev, int phy, int reg) 421 { 422 struct mos_softc *sc = device_get_softc(dev); 423 uWord val; 424 int i, res, locked; 425 426 USETW(val, 0); 427 428 locked = mtx_owned(&sc->sc_mtx); 429 if (!locked) 430 MOS_LOCK(sc); 431 432 mos_reg_write_2(sc, MOS_PHY_DATA, 0); 433 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) | 434 MOS_PHYCTL_READ); 435 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) | 436 MOS_PHYSTS_PENDING); 437 438 for (i = 0; i < MOS_TIMEOUT; i++) { 439 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY) 440 break; 441 } 442 if (i == MOS_TIMEOUT) { 443 MOS_DPRINTFN("MII read timeout"); 444 } 445 res = mos_reg_read_2(sc, MOS_PHY_DATA); 446 447 if (!locked) 448 MOS_UNLOCK(sc); 449 return (res); 450 } 451 452 static int 453 mos_miibus_writereg(device_t dev, int phy, int reg, int val) 454 { 455 struct mos_softc *sc = device_get_softc(dev); 456 int i, locked; 457 458 locked = mtx_owned(&sc->sc_mtx); 459 if (!locked) 460 MOS_LOCK(sc); 461 462 mos_reg_write_2(sc, MOS_PHY_DATA, val); 463 mos_reg_write_1(sc, MOS_PHY_CTL, (phy & MOS_PHYCTL_PHYADDR) | 464 MOS_PHYCTL_WRITE); 465 mos_reg_write_1(sc, MOS_PHY_STS, (reg & MOS_PHYSTS_PHYREG) | 466 MOS_PHYSTS_PENDING); 467 468 for (i = 0; i < MOS_TIMEOUT; i++) { 469 if (mos_reg_read_1(sc, MOS_PHY_STS) & MOS_PHYSTS_READY) 470 break; 471 } 472 if (i == MOS_TIMEOUT) 473 MOS_DPRINTFN("MII write timeout"); 474 475 if (!locked) 476 MOS_UNLOCK(sc); 477 return 0; 478 } 479 480 static void 481 mos_miibus_statchg(device_t dev) 482 { 483 struct mos_softc *sc = device_get_softc(dev); 484 struct mii_data *mii = GET_MII(sc); 485 int val, err, locked; 486 487 locked = mtx_owned(&sc->sc_mtx); 488 if (!locked) 489 MOS_LOCK(sc); 490 491 /* disable RX, TX prior to changing FDX, SPEEDSEL */ 492 val = mos_reg_read_1(sc, MOS_CTL); 493 val &= ~(MOS_CTL_TX_ENB | MOS_CTL_RX_ENB); 494 mos_reg_write_1(sc, MOS_CTL, val); 495 496 /* reset register which counts dropped frames */ 497 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0); 498 499 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 500 val |= MOS_CTL_FDX_ENB; 501 else 502 val &= ~(MOS_CTL_FDX_ENB); 503 504 switch (IFM_SUBTYPE(mii->mii_media_active)) { 505 case IFM_100_TX: 506 val |= MOS_CTL_SPEEDSEL; 507 break; 508 case IFM_10_T: 509 val &= ~(MOS_CTL_SPEEDSEL); 510 break; 511 } 512 513 /* re-enable TX, RX */ 514 val |= (MOS_CTL_TX_ENB | MOS_CTL_RX_ENB); 515 err = mos_reg_write_1(sc, MOS_CTL, val); 516 517 if (err) 518 MOS_DPRINTFN("media change failed"); 519 520 if (!locked) 521 MOS_UNLOCK(sc); 522 } 523 524 /* 525 * Set media options. 526 */ 527 static int 528 mos_ifmedia_upd(struct ifnet *ifp) 529 { 530 struct mos_softc *sc = ifp->if_softc; 531 struct mii_data *mii = GET_MII(sc); 532 struct mii_softc *miisc; 533 int error; 534 535 MOS_LOCK_ASSERT(sc, MA_OWNED); 536 537 sc->mos_link = 0; 538 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 539 PHY_RESET(miisc); 540 error = mii_mediachg(mii); 541 return (error); 542 } 543 544 /* 545 * Report current media status. 546 */ 547 static void 548 mos_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 549 { 550 struct mos_softc *sc = ifp->if_softc; 551 struct mii_data *mii = GET_MII(sc); 552 553 MOS_LOCK(sc); 554 mii_pollstat(mii); 555 556 ifmr->ifm_active = mii->mii_media_active; 557 ifmr->ifm_status = mii->mii_media_status; 558 MOS_UNLOCK(sc); 559 } 560 561 static void 562 mos_setpromisc(struct usb_ether *ue) 563 { 564 struct mos_softc *sc = uether_getsc(ue); 565 struct ifnet *ifp = uether_getifp(ue); 566 567 uint8_t rxmode; 568 569 MOS_LOCK_ASSERT(sc, MA_OWNED); 570 571 rxmode = mos_reg_read_1(sc, MOS_CTL); 572 573 /* If we want promiscuous mode, set the allframes bit. */ 574 if (ifp->if_flags & IFF_PROMISC) { 575 rxmode |= MOS_CTL_RX_PROMISC; 576 } else { 577 rxmode &= ~MOS_CTL_RX_PROMISC; 578 } 579 580 mos_reg_write_1(sc, MOS_CTL, rxmode); 581 } 582 583 584 585 static void 586 mos_setmulti(struct usb_ether *ue) 587 { 588 struct mos_softc *sc = uether_getsc(ue); 589 struct ifnet *ifp = uether_getifp(ue); 590 struct ifmultiaddr *ifma; 591 592 uint32_t h = 0; 593 uint8_t rxmode; 594 uint8_t hashtbl[8] = {0, 0, 0, 0, 0, 0, 0, 0}; 595 int allmulti = 0; 596 597 MOS_LOCK_ASSERT(sc, MA_OWNED); 598 599 rxmode = mos_reg_read_1(sc, MOS_CTL); 600 601 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) 602 allmulti = 1; 603 604 /* get all new ones */ 605 if_maddr_rlock(ifp); 606 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 607 if (ifma->ifma_addr->sa_family != AF_LINK) { 608 allmulti = 1; 609 continue; 610 }; 611 h = ether_crc32_be(LLADDR((struct sockaddr_dl *) 612 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 613 hashtbl[h / 8] |= 1 << (h % 8); 614 } 615 if_maddr_runlock(ifp); 616 617 /* now program new ones */ 618 if (allmulti == 1) { 619 rxmode |= MOS_CTL_ALLMULTI; 620 mos_reg_write_1(sc, MOS_CTL, rxmode); 621 } else { 622 rxmode &= ~MOS_CTL_ALLMULTI; 623 mos_write_mcast(sc, (void *)&hashtbl); 624 mos_reg_write_1(sc, MOS_CTL, rxmode); 625 } 626 } 627 628 static void 629 mos_reset(struct mos_softc *sc) 630 { 631 uint8_t ctl; 632 633 ctl = mos_reg_read_1(sc, MOS_CTL); 634 ctl &= ~(MOS_CTL_RX_PROMISC | MOS_CTL_ALLMULTI | MOS_CTL_TX_ENB | 635 MOS_CTL_RX_ENB); 636 /* Disable RX, TX, promiscuous and allmulticast mode */ 637 mos_reg_write_1(sc, MOS_CTL, ctl); 638 639 /* Reset frame drop counter register to zero */ 640 mos_reg_write_1(sc, MOS_FRAME_DROP_CNT, 0); 641 642 /* Wait a little while for the chip to get its brains in order. */ 643 usb_pause_mtx(&sc->sc_mtx, hz / 128); 644 return; 645 } 646 647 static void 648 mos_chip_init(struct mos_softc *sc) 649 { 650 int i; 651 652 /* 653 * Rev.C devices have a pause threshold register which needs to be set 654 * at startup. 655 */ 656 if (mos_reg_read_1(sc, MOS_PAUSE_TRHD) != -1) { 657 for (i = 0; i < MOS_PAUSE_REWRITES; i++) 658 mos_reg_write_1(sc, MOS_PAUSE_TRHD, 0); 659 } 660 sc->mos_phyaddrs[0] = 1; 661 sc->mos_phyaddrs[1] = 0xFF; 662 } 663 664 /* 665 * Probe for a MCS7x30 chip. 666 */ 667 static int 668 mos_probe(device_t dev) 669 { 670 struct usb_attach_arg *uaa = device_get_ivars(dev); 671 int retval; 672 673 if (uaa->usb_mode != USB_MODE_HOST) 674 return (ENXIO); 675 if (uaa->info.bConfigIndex != MOS_CONFIG_IDX) 676 return (ENXIO); 677 if (uaa->info.bIfaceIndex != MOS_IFACE_IDX) 678 return (ENXIO); 679 680 retval = usbd_lookup_id_by_uaa(mos_devs, sizeof(mos_devs), uaa); 681 return (retval); 682 } 683 684 /* 685 * Attach the interface. Allocate softc structures, do ifmedia 686 * setup and ethernet/BPF attach. 687 */ 688 static int 689 mos_attach(device_t dev) 690 { 691 struct usb_attach_arg *uaa = device_get_ivars(dev); 692 struct mos_softc *sc = device_get_softc(dev); 693 struct usb_ether *ue = &sc->sc_ue; 694 uint8_t iface_index; 695 int error; 696 697 sc->mos_flags = USB_GET_DRIVER_INFO(uaa); 698 699 device_set_usb_desc(dev); 700 mtx_init(&sc->sc_mtx, device_get_nameunit(dev), NULL, MTX_DEF); 701 702 iface_index = MOS_IFACE_IDX; 703 error = usbd_transfer_setup(uaa->device, &iface_index, 704 sc->sc_xfer, mos_config, MOS_ENDPT_MAX, 705 sc, &sc->sc_mtx); 706 707 if (error) { 708 device_printf(dev, "allocating USB transfers failed\n"); 709 goto detach; 710 } 711 ue->ue_sc = sc; 712 ue->ue_dev = dev; 713 ue->ue_udev = uaa->device; 714 ue->ue_mtx = &sc->sc_mtx; 715 ue->ue_methods = &mos_ue_methods; 716 717 718 if (sc->mos_flags & MCS7730) { 719 MOS_DPRINTFN("model: MCS7730"); 720 } else if (sc->mos_flags & MCS7830) { 721 MOS_DPRINTFN("model: MCS7830"); 722 } else if (sc->mos_flags & MCS7832) { 723 MOS_DPRINTFN("model: MCS7832"); 724 } 725 error = uether_ifattach(ue); 726 if (error) { 727 device_printf(dev, "could not attach interface\n"); 728 goto detach; 729 } 730 return (0); 731 732 733 detach: 734 mos_detach(dev); 735 return (ENXIO); 736 } 737 738 739 static void 740 mos_attach_post(struct usb_ether *ue) 741 { 742 struct mos_softc *sc = uether_getsc(ue); 743 int err; 744 745 /* Read MAC address, inform the world. */ 746 err = mos_readmac(sc, ue->ue_eaddr); 747 748 if (err) 749 MOS_DPRINTFN("couldn't get MAC address"); 750 751 MOS_DPRINTFN("address: %s", ether_sprintf(ue->ue_eaddr)); 752 753 mos_chip_init(sc); 754 } 755 756 static int 757 mos_detach(device_t dev) 758 { 759 struct mos_softc *sc = device_get_softc(dev); 760 struct usb_ether *ue = &sc->sc_ue; 761 762 usbd_transfer_unsetup(sc->sc_xfer, MOS_ENDPT_MAX); 763 uether_ifdetach(ue); 764 mtx_destroy(&sc->sc_mtx); 765 766 return (0); 767 } 768 769 770 771 772 /* 773 * A frame has been uploaded: pass the resulting mbuf chain up to 774 * the higher level protocols. 775 */ 776 static void 777 mos_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 778 { 779 struct mos_softc *sc = usbd_xfer_softc(xfer); 780 struct usb_ether *ue = &sc->sc_ue; 781 struct ifnet *ifp = uether_getifp(ue); 782 783 uint8_t rxstat = 0; 784 uint32_t actlen; 785 uint16_t pktlen = 0; 786 struct usb_page_cache *pc; 787 788 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 789 pc = usbd_xfer_get_frame(xfer, 0); 790 791 switch (USB_GET_STATE(xfer)) { 792 case USB_ST_TRANSFERRED: 793 MOS_DPRINTFN("actlen : %d", actlen); 794 if (actlen <= 1) { 795 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 796 goto tr_setup; 797 } 798 /* evaluate status byte at the end */ 799 usbd_copy_out(pc, actlen - sizeof(rxstat), &rxstat, 800 sizeof(rxstat)); 801 802 if (rxstat != MOS_RXSTS_VALID) { 803 MOS_DPRINTFN("erroneous frame received"); 804 if (rxstat & MOS_RXSTS_SHORT_FRAME) 805 MOS_DPRINTFN("frame size less than 64 bytes"); 806 if (rxstat & MOS_RXSTS_LARGE_FRAME) { 807 MOS_DPRINTFN("frame size larger than " 808 "1532 bytes"); 809 } 810 if (rxstat & MOS_RXSTS_CRC_ERROR) 811 MOS_DPRINTFN("CRC error"); 812 if (rxstat & MOS_RXSTS_ALIGN_ERROR) 813 MOS_DPRINTFN("alignment error"); 814 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 815 goto tr_setup; 816 } 817 /* Remember the last byte was used for the status fields */ 818 pktlen = actlen - 1; 819 if (pktlen < sizeof(struct ether_header)) { 820 MOS_DPRINTFN("error: pktlen %d is smaller " 821 "than ether_header %zd", pktlen, 822 sizeof(struct ether_header)); 823 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 824 goto tr_setup; 825 } 826 uether_rxbuf(ue, pc, 0, actlen); 827 /* FALLTHROUGH */ 828 case USB_ST_SETUP: 829 tr_setup: 830 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 831 usbd_transfer_submit(xfer); 832 uether_rxflush(ue); 833 return; 834 default: 835 MOS_DPRINTFN("bulk read error, %s", usbd_errstr(error)); 836 if (error != USB_ERR_CANCELLED) { 837 usbd_xfer_set_stall(xfer); 838 goto tr_setup; 839 } 840 MOS_DPRINTFN("start rx %i", usbd_xfer_max_len(xfer)); 841 return; 842 } 843 } 844 845 /* 846 * A frame was downloaded to the chip. It's safe for us to clean up 847 * the list buffers. 848 */ 849 static void 850 mos_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 851 { 852 struct mos_softc *sc = usbd_xfer_softc(xfer); 853 struct ifnet *ifp = uether_getifp(&sc->sc_ue); 854 struct usb_page_cache *pc; 855 struct mbuf *m; 856 857 858 859 switch (USB_GET_STATE(xfer)) { 860 case USB_ST_TRANSFERRED: 861 MOS_DPRINTFN("transfer of complete"); 862 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 863 /* FALLTHROUGH */ 864 case USB_ST_SETUP: 865 tr_setup: 866 /* 867 * XXX: don't send anything if there is no link? 868 */ 869 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 870 if (m == NULL) 871 return; 872 873 pc = usbd_xfer_get_frame(xfer, 0); 874 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 875 876 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 877 878 879 /* 880 * if there's a BPF listener, bounce a copy 881 * of this frame to him: 882 */ 883 BPF_MTAP(ifp, m); 884 885 m_freem(m); 886 887 usbd_transfer_submit(xfer); 888 889 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 890 return; 891 default: 892 MOS_DPRINTFN("usb error on tx: %s\n", usbd_errstr(error)); 893 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 894 if (error != USB_ERR_CANCELLED) { 895 usbd_xfer_set_stall(xfer); 896 goto tr_setup; 897 } 898 return; 899 } 900 } 901 902 static void 903 mos_tick(struct usb_ether *ue) 904 { 905 struct mos_softc *sc = uether_getsc(ue); 906 struct mii_data *mii = GET_MII(sc); 907 908 MOS_LOCK_ASSERT(sc, MA_OWNED); 909 910 mii_tick(mii); 911 if (!sc->mos_link && mii->mii_media_status & IFM_ACTIVE && 912 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 913 MOS_DPRINTFN("got link"); 914 sc->mos_link++; 915 mos_start(ue); 916 } 917 } 918 919 920 static void 921 mos_start(struct usb_ether *ue) 922 { 923 struct mos_softc *sc = uether_getsc(ue); 924 925 /* 926 * start the USB transfers, if not already started: 927 */ 928 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_TX]); 929 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_RX]); 930 usbd_transfer_start(sc->sc_xfer[MOS_ENDPT_INTR]); 931 } 932 933 static void 934 mos_init(struct usb_ether *ue) 935 { 936 struct mos_softc *sc = uether_getsc(ue); 937 struct ifnet *ifp = uether_getifp(ue); 938 uint8_t rxmode; 939 940 MOS_LOCK_ASSERT(sc, MA_OWNED); 941 942 /* Cancel pending I/O and free all RX/TX buffers. */ 943 mos_reset(sc); 944 945 /* Write MAC address */ 946 mos_writemac(sc, IF_LLADDR(ifp)); 947 948 /* Read and set transmitter IPG values */ 949 sc->mos_ipgs[0] = mos_reg_read_1(sc, MOS_IPG0); 950 sc->mos_ipgs[1] = mos_reg_read_1(sc, MOS_IPG1); 951 mos_reg_write_1(sc, MOS_IPG0, sc->mos_ipgs[0]); 952 mos_reg_write_1(sc, MOS_IPG1, sc->mos_ipgs[1]); 953 954 /* 955 * Enable receiver and transmitter, bridge controls speed/duplex 956 * mode 957 */ 958 rxmode = mos_reg_read_1(sc, MOS_CTL); 959 rxmode |= MOS_CTL_RX_ENB | MOS_CTL_TX_ENB | MOS_CTL_BS_ENB; 960 rxmode &= ~(MOS_CTL_SLEEP); 961 962 mos_setpromisc(ue); 963 964 /* XXX: broadcast mode? */ 965 mos_reg_write_1(sc, MOS_CTL, rxmode); 966 967 /* Load the multicast filter. */ 968 mos_setmulti(ue); 969 970 ifp->if_drv_flags |= IFF_DRV_RUNNING; 971 mos_start(ue); 972 } 973 974 975 static void 976 mos_intr_callback(struct usb_xfer *xfer, usb_error_t error) 977 { 978 struct mos_softc *sc = usbd_xfer_softc(xfer); 979 struct ifnet *ifp = uether_getifp(&sc->sc_ue); 980 struct usb_page_cache *pc; 981 uint32_t pkt; 982 int actlen; 983 984 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 985 986 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 987 MOS_DPRINTFN("actlen %i", actlen); 988 989 switch (USB_GET_STATE(xfer)) { 990 case USB_ST_TRANSFERRED: 991 992 pc = usbd_xfer_get_frame(xfer, 0); 993 usbd_copy_out(pc, 0, &pkt, sizeof(pkt)); 994 /* FALLTHROUGH */ 995 case USB_ST_SETUP: 996 tr_setup: 997 return; 998 default: 999 if (error != USB_ERR_CANCELLED) { 1000 usbd_xfer_set_stall(xfer); 1001 goto tr_setup; 1002 } 1003 return; 1004 } 1005 } 1006 1007 1008 /* 1009 * Stop the adapter and free any mbufs allocated to the 1010 * RX and TX lists. 1011 */ 1012 static void 1013 mos_stop(struct usb_ether *ue) 1014 { 1015 struct mos_softc *sc = uether_getsc(ue); 1016 struct ifnet *ifp = uether_getifp(ue); 1017 1018 mos_reset(sc); 1019 1020 MOS_LOCK_ASSERT(sc, MA_OWNED); 1021 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 1022 1023 /* stop all the transfers, if not already stopped */ 1024 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_TX]); 1025 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_RX]); 1026 usbd_transfer_stop(sc->sc_xfer[MOS_ENDPT_INTR]); 1027 1028 sc->mos_link = 0; 1029 } 1030