1 /* $NetBSD: if_url.c,v 1.35 2009/12/06 20:20:12 dyoung Exp $ */ 2 /* 3 * Copyright (c) 2001, 2002 4 * Shingo WATANABE <nabe@nabechan.org>. 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 * 3. Neither the name of the author nor the names of any co-contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 /* 33 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at 34 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf 35 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf 36 */ 37 38 /* 39 * TODO: 40 * Interrupt Endpoint support 41 * External PHYs 42 * powerhook() support? 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.35 2009/12/06 20:20:12 dyoung Exp $"); 47 48 #include "opt_inet.h" 49 #include "bpfilter.h" 50 #include "rnd.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/rwlock.h> 55 #include <sys/mbuf.h> 56 #include <sys/kernel.h> 57 #include <sys/socket.h> 58 59 #include <sys/device.h> 60 #if NRND > 0 61 #include <sys/rnd.h> 62 #endif 63 64 #include <net/if.h> 65 #include <net/if_arp.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 73 74 #include <net/if_ether.h> 75 #ifdef INET 76 #include <netinet/in.h> 77 #include <netinet/if_inarp.h> 78 #endif 79 80 #include <dev/mii/mii.h> 81 #include <dev/mii/miivar.h> 82 #include <dev/mii/urlphyreg.h> 83 84 #include <dev/usb/usb.h> 85 #include <dev/usb/usbdi.h> 86 #include <dev/usb/usbdi_util.h> 87 #include <dev/usb/usbdevs.h> 88 89 #include <dev/usb/if_urlreg.h> 90 91 92 /* Function declarations */ 93 USB_DECLARE_DRIVER(url); 94 95 Static int url_openpipes(struct url_softc *); 96 Static int url_rx_list_init(struct url_softc *); 97 Static int url_tx_list_init(struct url_softc *); 98 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 99 Static void url_start(struct ifnet *); 100 Static int url_send(struct url_softc *, struct mbuf *, int); 101 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 102 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 103 Static void url_tick(void *); 104 Static void url_tick_task(void *); 105 Static int url_ioctl(struct ifnet *, u_long, void *); 106 Static void url_stop_task(struct url_softc *); 107 Static void url_stop(struct ifnet *, int); 108 Static void url_watchdog(struct ifnet *); 109 Static int url_ifmedia_change(struct ifnet *); 110 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 111 Static void url_lock_mii(struct url_softc *); 112 Static void url_unlock_mii(struct url_softc *); 113 Static int url_int_miibus_readreg(device_ptr_t, int, int); 114 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 115 Static void url_miibus_statchg(device_ptr_t); 116 Static int url_init(struct ifnet *); 117 Static void url_setmulti(struct url_softc *); 118 Static void url_reset(struct url_softc *); 119 120 Static int url_csr_read_1(struct url_softc *, int); 121 Static int url_csr_read_2(struct url_softc *, int); 122 Static int url_csr_write_1(struct url_softc *, int, int); 123 Static int url_csr_write_2(struct url_softc *, int, int); 124 Static int url_csr_write_4(struct url_softc *, int, int); 125 Static int url_mem(struct url_softc *, int, int, void *, int); 126 127 /* Macros */ 128 #ifdef URL_DEBUG 129 #define DPRINTF(x) if (urldebug) logprintf x 130 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x 131 int urldebug = 0; 132 #else 133 #define DPRINTF(x) 134 #define DPRINTFN(n,x) 135 #endif 136 137 #define URL_SETBIT(sc, reg, x) \ 138 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 139 140 #define URL_SETBIT2(sc, reg, x) \ 141 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 142 143 #define URL_CLRBIT(sc, reg, x) \ 144 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 145 146 #define URL_CLRBIT2(sc, reg, x) \ 147 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 148 149 static const struct url_type { 150 struct usb_devno url_dev; 151 u_int16_t url_flags; 152 #define URL_EXT_PHY 0x0001 153 } url_devs [] = { 154 /* MELCO LUA-KTX */ 155 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 156 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 157 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 158 /* Longshine LCS-8138TX */ 159 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 160 /* Micronet SP128AR */ 161 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 162 /* OQO model 01 */ 163 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 164 }; 165 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 166 167 168 /* Probe */ 169 USB_MATCH(url) 170 { 171 USB_MATCH_START(url, uaa); 172 173 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 174 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 175 } 176 /* Attach */ 177 USB_ATTACH(url) 178 { 179 USB_ATTACH_START(url, sc, uaa); 180 usbd_device_handle dev = uaa->device; 181 usbd_interface_handle iface; 182 usbd_status err; 183 usb_interface_descriptor_t *id; 184 usb_endpoint_descriptor_t *ed; 185 char *devinfop; 186 struct ifnet *ifp; 187 struct mii_data *mii; 188 u_char eaddr[ETHER_ADDR_LEN]; 189 int i, s; 190 191 sc->sc_dev = self; 192 193 aprint_naive("\n"); 194 aprint_normal("\n"); 195 196 devinfop = usbd_devinfo_alloc(dev, 0); 197 aprint_normal_dev(self, "%s\n", devinfop); 198 usbd_devinfo_free(devinfop); 199 200 /* Move the device into the configured state. */ 201 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 202 if (err) { 203 aprint_error_dev(self, "setting config no failed\n"); 204 goto bad; 205 } 206 207 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 208 rw_init(&sc->sc_mii_rwlock); 209 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 210 211 /* get control interface */ 212 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 213 if (err) { 214 aprint_error_dev(self, "failed to get interface, err=%s\n", 215 usbd_errstr(err)); 216 goto bad; 217 } 218 219 sc->sc_udev = dev; 220 sc->sc_ctl_iface = iface; 221 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 222 223 /* get interface descriptor */ 224 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 225 226 /* find endpoints */ 227 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 228 for (i = 0; i < id->bNumEndpoints; i++) { 229 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 230 if (ed == NULL) { 231 aprint_error_dev(self, 232 "couldn't get endpoint %d\n", i); 233 goto bad; 234 } 235 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 236 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 237 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 238 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 239 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 240 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 241 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 242 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 243 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 244 } 245 246 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 247 sc->sc_intrin_no == -1) { 248 aprint_error_dev(self, "missing endpoint\n"); 249 goto bad; 250 } 251 252 s = splnet(); 253 254 /* reset the adapter */ 255 url_reset(sc); 256 257 /* Get Ethernet Address */ 258 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 259 ETHER_ADDR_LEN); 260 if (err) { 261 aprint_error_dev(self, "read MAC address failed\n"); 262 splx(s); 263 goto bad; 264 } 265 266 /* Print Ethernet Address */ 267 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 268 269 /* initialize interface information */ 270 ifp = GET_IFP(sc); 271 ifp->if_softc = sc; 272 ifp->if_mtu = ETHERMTU; 273 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 274 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 275 ifp->if_start = url_start; 276 ifp->if_ioctl = url_ioctl; 277 ifp->if_watchdog = url_watchdog; 278 ifp->if_init = url_init; 279 ifp->if_stop = url_stop; 280 281 IFQ_SET_READY(&ifp->if_snd); 282 283 /* 284 * Do ifmedia setup. 285 */ 286 mii = &sc->sc_mii; 287 mii->mii_ifp = ifp; 288 mii->mii_readreg = url_int_miibus_readreg; 289 mii->mii_writereg = url_int_miibus_writereg; 290 #if 0 291 if (sc->sc_flags & URL_EXT_PHY) { 292 mii->mii_readreg = url_ext_miibus_readreg; 293 mii->mii_writereg = url_ext_miibus_writereg; 294 } 295 #endif 296 mii->mii_statchg = url_miibus_statchg; 297 mii->mii_flags = MIIF_AUTOTSLEEP; 298 sc->sc_ec.ec_mii = mii; 299 ifmedia_init(&mii->mii_media, 0, 300 url_ifmedia_change, url_ifmedia_status); 301 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 302 if (LIST_FIRST(&mii->mii_phys) == NULL) { 303 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 304 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 305 } else 306 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 307 308 /* attach the interface */ 309 if_attach(ifp); 310 Ether_ifattach(ifp, eaddr); 311 312 #if NRND > 0 313 rnd_attach_source(&sc->rnd_source, device_xname(self), 314 RND_TYPE_NET, 0); 315 #endif 316 317 usb_callout_init(sc->sc_stat_ch); 318 sc->sc_attached = 1; 319 splx(s); 320 321 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 322 323 USB_ATTACH_SUCCESS_RETURN; 324 325 bad: 326 sc->sc_dying = 1; 327 USB_ATTACH_ERROR_RETURN; 328 } 329 330 /* detach */ 331 USB_DETACH(url) 332 { 333 USB_DETACH_START(url, sc); 334 struct ifnet *ifp = GET_IFP(sc); 335 int s; 336 337 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 338 339 /* Detached before attached finished */ 340 if (!sc->sc_attached) 341 return (0); 342 343 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 344 345 /* Remove any pending tasks */ 346 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 347 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 348 349 s = splusb(); 350 351 if (--sc->sc_refcnt >= 0) { 352 /* Wait for processes to go away */ 353 usb_detach_wait(USBDEV(sc->sc_dev)); 354 } 355 356 if (ifp->if_flags & IFF_RUNNING) 357 url_stop(GET_IFP(sc), 1); 358 359 #if NRND > 0 360 rnd_detach_source(&sc->rnd_source); 361 #endif 362 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 363 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 364 ether_ifdetach(ifp); 365 if_detach(ifp); 366 367 #ifdef DIAGNOSTIC 368 if (sc->sc_pipe_tx != NULL) 369 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 370 if (sc->sc_pipe_rx != NULL) 371 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 372 if (sc->sc_pipe_intr != NULL) 373 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 374 #endif 375 376 sc->sc_attached = 0; 377 378 splx(s); 379 380 rw_destroy(&sc->sc_mii_rwlock); 381 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 382 USBDEV(sc->sc_dev)); 383 384 return (0); 385 } 386 387 /* read/write memory */ 388 Static int 389 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 390 { 391 usb_device_request_t req; 392 usbd_status err; 393 394 if (sc == NULL) 395 return (0); 396 397 DPRINTFN(0x200, 398 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 399 400 if (sc->sc_dying) 401 return (0); 402 403 if (cmd == URL_CMD_READMEM) 404 req.bmRequestType = UT_READ_VENDOR_DEVICE; 405 else 406 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 407 req.bRequest = URL_REQ_MEM; 408 USETW(req.wValue, offset); 409 USETW(req.wIndex, 0x0000); 410 USETW(req.wLength, len); 411 412 sc->sc_refcnt++; 413 err = usbd_do_request(sc->sc_udev, &req, buf); 414 if (--sc->sc_refcnt < 0) 415 usb_detach_wakeup(USBDEV(sc->sc_dev)); 416 if (err) { 417 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 418 USBDEVNAME(sc->sc_dev), 419 cmd == URL_CMD_READMEM ? "read" : "write", 420 offset, err)); 421 } 422 423 return (err); 424 } 425 426 /* read 1byte from register */ 427 Static int 428 url_csr_read_1(struct url_softc *sc, int reg) 429 { 430 u_int8_t val = 0; 431 432 DPRINTFN(0x100, 433 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 434 435 if (sc->sc_dying) 436 return (0); 437 438 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 439 } 440 441 /* read 2bytes from register */ 442 Static int 443 url_csr_read_2(struct url_softc *sc, int reg) 444 { 445 uWord val; 446 447 DPRINTFN(0x100, 448 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 449 450 if (sc->sc_dying) 451 return (0); 452 453 USETW(val, 0); 454 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 455 } 456 457 /* write 1byte to register */ 458 Static int 459 url_csr_write_1(struct url_softc *sc, int reg, int aval) 460 { 461 u_int8_t val = aval; 462 463 DPRINTFN(0x100, 464 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 465 466 if (sc->sc_dying) 467 return (0); 468 469 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 470 } 471 472 /* write 2bytes to register */ 473 Static int 474 url_csr_write_2(struct url_softc *sc, int reg, int aval) 475 { 476 uWord val; 477 478 DPRINTFN(0x100, 479 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 480 481 USETW(val, aval); 482 483 if (sc->sc_dying) 484 return (0); 485 486 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 487 } 488 489 /* write 4bytes to register */ 490 Static int 491 url_csr_write_4(struct url_softc *sc, int reg, int aval) 492 { 493 uDWord val; 494 495 DPRINTFN(0x100, 496 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 497 498 USETDW(val, aval); 499 500 if (sc->sc_dying) 501 return (0); 502 503 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 504 } 505 506 Static int 507 url_init(struct ifnet *ifp) 508 { 509 struct url_softc *sc = ifp->if_softc; 510 struct mii_data *mii = GET_MII(sc); 511 const u_char *eaddr; 512 int i, rc, s; 513 514 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 515 516 if (sc->sc_dying) 517 return (EIO); 518 519 s = splnet(); 520 521 /* Cancel pending I/O and free all TX/RX buffers */ 522 url_stop(ifp, 1); 523 524 eaddr = CLLADDR(ifp->if_sadl); 525 for (i = 0; i < ETHER_ADDR_LEN; i++) 526 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 527 528 /* Init transmission control register */ 529 URL_CLRBIT(sc, URL_TCR, 530 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 531 URL_TCR_IFG1 | URL_TCR_IFG0 | 532 URL_TCR_NOCRC); 533 534 /* Init receive control register */ 535 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 536 if (ifp->if_flags & IFF_BROADCAST) 537 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 538 else 539 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 540 541 /* If we want promiscuous mode, accept all physical frames. */ 542 if (ifp->if_flags & IFF_PROMISC) 543 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 544 else 545 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 546 547 548 /* Initialize transmit ring */ 549 if (url_tx_list_init(sc) == ENOBUFS) { 550 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 551 splx(s); 552 return (EIO); 553 } 554 555 /* Initialize receive ring */ 556 if (url_rx_list_init(sc) == ENOBUFS) { 557 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 558 splx(s); 559 return (EIO); 560 } 561 562 /* Load the multicast filter */ 563 url_setmulti(sc); 564 565 /* Enable RX and TX */ 566 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 567 568 if ((rc = mii_mediachg(mii)) == ENXIO) 569 rc = 0; 570 else if (rc != 0) 571 goto out; 572 573 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 574 if (url_openpipes(sc)) { 575 splx(s); 576 return (EIO); 577 } 578 } 579 580 ifp->if_flags |= IFF_RUNNING; 581 ifp->if_flags &= ~IFF_OACTIVE; 582 583 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 584 585 out: 586 splx(s); 587 return rc; 588 } 589 590 Static void 591 url_reset(struct url_softc *sc) 592 { 593 int i; 594 595 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 596 597 if (sc->sc_dying) 598 return; 599 600 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 601 602 for (i = 0; i < URL_TX_TIMEOUT; i++) { 603 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 604 break; 605 delay(10); /* XXX */ 606 } 607 608 delay(10000); /* XXX */ 609 } 610 611 int 612 url_activate(device_ptr_t self, enum devact act) 613 { 614 struct url_softc *sc = device_private(self); 615 616 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 617 __func__, act)); 618 619 switch (act) { 620 case DVACT_DEACTIVATE: 621 if_deactivate(&sc->sc_ec.ec_if); 622 sc->sc_dying = 1; 623 return 0; 624 default: 625 return EOPNOTSUPP; 626 } 627 } 628 629 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 630 631 632 Static void 633 url_setmulti(struct url_softc *sc) 634 { 635 struct ifnet *ifp; 636 struct ether_multi *enm; 637 struct ether_multistep step; 638 u_int32_t hashes[2] = { 0, 0 }; 639 int h = 0; 640 int mcnt = 0; 641 642 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 643 644 if (sc->sc_dying) 645 return; 646 647 ifp = GET_IFP(sc); 648 649 if (ifp->if_flags & IFF_PROMISC) { 650 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 651 return; 652 } else if (ifp->if_flags & IFF_ALLMULTI) { 653 allmulti: 654 ifp->if_flags |= IFF_ALLMULTI; 655 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 656 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 657 return; 658 } 659 660 /* first, zot all the existing hash bits */ 661 url_csr_write_4(sc, URL_MAR0, 0); 662 url_csr_write_4(sc, URL_MAR4, 0); 663 664 /* now program new ones */ 665 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 666 while (enm != NULL) { 667 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 668 ETHER_ADDR_LEN) != 0) 669 goto allmulti; 670 671 h = url_calchash(enm->enm_addrlo); 672 if (h < 32) 673 hashes[0] |= (1 << h); 674 else 675 hashes[1] |= (1 << (h -32)); 676 mcnt++; 677 ETHER_NEXT_MULTI(step, enm); 678 } 679 680 ifp->if_flags &= ~IFF_ALLMULTI; 681 682 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 683 684 if (mcnt){ 685 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 686 } else { 687 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 688 } 689 url_csr_write_4(sc, URL_MAR0, hashes[0]); 690 url_csr_write_4(sc, URL_MAR4, hashes[1]); 691 } 692 693 Static int 694 url_openpipes(struct url_softc *sc) 695 { 696 struct url_chain *c; 697 usbd_status err; 698 int i; 699 int error = 0; 700 701 if (sc->sc_dying) 702 return (EIO); 703 704 sc->sc_refcnt++; 705 706 /* Open RX pipe */ 707 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 708 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 709 if (err) { 710 printf("%s: open rx pipe failed: %s\n", 711 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 712 error = EIO; 713 goto done; 714 } 715 716 /* Open TX pipe */ 717 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 718 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 719 if (err) { 720 printf("%s: open tx pipe failed: %s\n", 721 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 722 error = EIO; 723 goto done; 724 } 725 726 #if 0 727 /* XXX: interrupt endpoint is not yet supported */ 728 /* Open Interrupt pipe */ 729 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 730 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 731 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 732 url_intr, USBD_DEFAULT_INTERVAL); 733 if (err) { 734 printf("%s: open intr pipe failed: %s\n", 735 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 736 error = EIO; 737 goto done; 738 } 739 #endif 740 741 742 /* Start up the receive pipe. */ 743 for (i = 0; i < URL_RX_LIST_CNT; i++) { 744 c = &sc->sc_cdata.url_rx_chain[i]; 745 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 746 c, c->url_buf, URL_BUFSZ, 747 USBD_SHORT_XFER_OK | USBD_NO_COPY, 748 USBD_NO_TIMEOUT, url_rxeof); 749 (void)usbd_transfer(c->url_xfer); 750 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 751 __func__)); 752 } 753 754 done: 755 if (--sc->sc_refcnt < 0) 756 usb_detach_wakeup(USBDEV(sc->sc_dev)); 757 758 return (error); 759 } 760 761 Static int 762 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 763 { 764 struct mbuf *m_new = NULL; 765 766 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 767 768 if (m == NULL) { 769 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 770 if (m_new == NULL) { 771 printf("%s: no memory for rx list " 772 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 773 return (ENOBUFS); 774 } 775 MCLGET(m_new, M_DONTWAIT); 776 if (!(m_new->m_flags & M_EXT)) { 777 printf("%s: no memory for rx list " 778 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 779 m_freem(m_new); 780 return (ENOBUFS); 781 } 782 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 783 } else { 784 m_new = m; 785 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 786 m_new->m_data = m_new->m_ext.ext_buf; 787 } 788 789 m_adj(m_new, ETHER_ALIGN); 790 c->url_mbuf = m_new; 791 792 return (0); 793 } 794 795 796 Static int 797 url_rx_list_init(struct url_softc *sc) 798 { 799 struct url_cdata *cd; 800 struct url_chain *c; 801 int i; 802 803 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 804 805 cd = &sc->sc_cdata; 806 for (i = 0; i < URL_RX_LIST_CNT; i++) { 807 c = &cd->url_rx_chain[i]; 808 c->url_sc = sc; 809 c->url_idx = i; 810 if (url_newbuf(sc, c, NULL) == ENOBUFS) 811 return (ENOBUFS); 812 if (c->url_xfer == NULL) { 813 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 814 if (c->url_xfer == NULL) 815 return (ENOBUFS); 816 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 817 if (c->url_buf == NULL) { 818 usbd_free_xfer(c->url_xfer); 819 return (ENOBUFS); 820 } 821 } 822 } 823 824 return (0); 825 } 826 827 Static int 828 url_tx_list_init(struct url_softc *sc) 829 { 830 struct url_cdata *cd; 831 struct url_chain *c; 832 int i; 833 834 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 835 836 cd = &sc->sc_cdata; 837 for (i = 0; i < URL_TX_LIST_CNT; i++) { 838 c = &cd->url_tx_chain[i]; 839 c->url_sc = sc; 840 c->url_idx = i; 841 c->url_mbuf = NULL; 842 if (c->url_xfer == NULL) { 843 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 844 if (c->url_xfer == NULL) 845 return (ENOBUFS); 846 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 847 if (c->url_buf == NULL) { 848 usbd_free_xfer(c->url_xfer); 849 return (ENOBUFS); 850 } 851 } 852 } 853 854 return (0); 855 } 856 857 Static void 858 url_start(struct ifnet *ifp) 859 { 860 struct url_softc *sc = ifp->if_softc; 861 struct mbuf *m_head = NULL; 862 863 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 864 __func__, sc->sc_link)); 865 866 if (sc->sc_dying) 867 return; 868 869 if (!sc->sc_link) 870 return; 871 872 if (ifp->if_flags & IFF_OACTIVE) 873 return; 874 875 IFQ_POLL(&ifp->if_snd, m_head); 876 if (m_head == NULL) 877 return; 878 879 if (url_send(sc, m_head, 0)) { 880 ifp->if_flags |= IFF_OACTIVE; 881 return; 882 } 883 884 IFQ_DEQUEUE(&ifp->if_snd, m_head); 885 886 #if NBPFILTER > 0 887 if (ifp->if_bpf) 888 bpf_mtap(ifp->if_bpf, m_head); 889 #endif 890 891 ifp->if_flags |= IFF_OACTIVE; 892 893 /* Set a timeout in case the chip goes out to lunch. */ 894 ifp->if_timer = 5; 895 } 896 897 Static int 898 url_send(struct url_softc *sc, struct mbuf *m, int idx) 899 { 900 int total_len; 901 struct url_chain *c; 902 usbd_status err; 903 904 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 905 906 c = &sc->sc_cdata.url_tx_chain[idx]; 907 908 /* Copy the mbuf data into a contiguous buffer */ 909 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 910 c->url_mbuf = m; 911 total_len = m->m_pkthdr.len; 912 913 if (total_len < URL_MIN_FRAME_LEN) { 914 memset(c->url_buf + total_len, 0, 915 URL_MIN_FRAME_LEN - total_len); 916 total_len = URL_MIN_FRAME_LEN; 917 } 918 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 919 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 920 URL_TX_TIMEOUT, url_txeof); 921 922 /* Transmit */ 923 sc->sc_refcnt++; 924 err = usbd_transfer(c->url_xfer); 925 if (--sc->sc_refcnt < 0) 926 usb_detach_wakeup(USBDEV(sc->sc_dev)); 927 if (err != USBD_IN_PROGRESS) { 928 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 929 usbd_errstr(err)); 930 /* Stop the interface */ 931 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 932 USB_TASKQ_DRIVER); 933 return (EIO); 934 } 935 936 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 937 __func__, total_len)); 938 939 sc->sc_cdata.url_tx_cnt++; 940 941 return (0); 942 } 943 944 Static void 945 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 946 usbd_status status) 947 { 948 struct url_chain *c = priv; 949 struct url_softc *sc = c->url_sc; 950 struct ifnet *ifp = GET_IFP(sc); 951 int s; 952 953 if (sc->sc_dying) 954 return; 955 956 s = splnet(); 957 958 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 959 960 ifp->if_timer = 0; 961 ifp->if_flags &= ~IFF_OACTIVE; 962 963 if (status != USBD_NORMAL_COMPLETION) { 964 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 965 splx(s); 966 return; 967 } 968 ifp->if_oerrors++; 969 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 970 usbd_errstr(status)); 971 if (status == USBD_STALLED) { 972 sc->sc_refcnt++; 973 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 974 if (--sc->sc_refcnt < 0) 975 usb_detach_wakeup(USBDEV(sc->sc_dev)); 976 } 977 splx(s); 978 return; 979 } 980 981 ifp->if_opackets++; 982 983 m_freem(c->url_mbuf); 984 c->url_mbuf = NULL; 985 986 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 987 url_start(ifp); 988 989 splx(s); 990 } 991 992 Static void 993 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 994 { 995 struct url_chain *c = priv; 996 struct url_softc *sc = c->url_sc; 997 struct ifnet *ifp = GET_IFP(sc); 998 struct mbuf *m; 999 u_int32_t total_len; 1000 url_rxhdr_t rxhdr; 1001 int s; 1002 1003 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 1004 1005 if (sc->sc_dying) 1006 return; 1007 1008 if (status != USBD_NORMAL_COMPLETION) { 1009 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1010 return; 1011 sc->sc_rx_errs++; 1012 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1013 printf("%s: %u usb errors on rx: %s\n", 1014 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 1015 usbd_errstr(status)); 1016 sc->sc_rx_errs = 0; 1017 } 1018 if (status == USBD_STALLED) { 1019 sc->sc_refcnt++; 1020 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1021 if (--sc->sc_refcnt < 0) 1022 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1023 } 1024 goto done; 1025 } 1026 1027 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1028 1029 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1030 1031 if (total_len <= ETHER_CRC_LEN) { 1032 ifp->if_ierrors++; 1033 goto done; 1034 } 1035 1036 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1037 1038 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1039 USBDEVNAME(sc->sc_dev), 1040 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1041 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1042 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1043 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1044 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1045 1046 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1047 ifp->if_ierrors++; 1048 goto done; 1049 } 1050 1051 ifp->if_ipackets++; 1052 total_len -= ETHER_CRC_LEN; 1053 1054 m = c->url_mbuf; 1055 m->m_pkthdr.len = m->m_len = total_len; 1056 m->m_pkthdr.rcvif = ifp; 1057 1058 s = splnet(); 1059 1060 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1061 ifp->if_ierrors++; 1062 goto done1; 1063 } 1064 1065 #if NBPFILTER > 0 1066 if (ifp->if_bpf) 1067 BPF_MTAP(ifp, m); 1068 #endif 1069 1070 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1071 __func__, m->m_len)); 1072 IF_INPUT(ifp, m); 1073 1074 done1: 1075 splx(s); 1076 1077 done: 1078 /* Setup new transfer */ 1079 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1080 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1081 USBD_NO_TIMEOUT, url_rxeof); 1082 sc->sc_refcnt++; 1083 usbd_transfer(xfer); 1084 if (--sc->sc_refcnt < 0) 1085 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1086 1087 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1088 } 1089 1090 #if 0 1091 Static void url_intr(void) 1092 { 1093 } 1094 #endif 1095 1096 Static int 1097 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1098 { 1099 struct url_softc *sc = ifp->if_softc; 1100 int s, error = 0; 1101 1102 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1103 1104 if (sc->sc_dying) 1105 return (EIO); 1106 1107 s = splnet(); 1108 1109 error = ether_ioctl(ifp, cmd, data); 1110 if (error == ENETRESET) { 1111 if (ifp->if_flags & IFF_RUNNING) 1112 url_setmulti(sc); 1113 error = 0; 1114 } 1115 1116 splx(s); 1117 1118 return (error); 1119 } 1120 1121 Static void 1122 url_watchdog(struct ifnet *ifp) 1123 { 1124 struct url_softc *sc = ifp->if_softc; 1125 struct url_chain *c; 1126 usbd_status stat; 1127 int s; 1128 1129 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1130 1131 ifp->if_oerrors++; 1132 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1133 1134 s = splusb(); 1135 c = &sc->sc_cdata.url_tx_chain[0]; 1136 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1137 url_txeof(c->url_xfer, c, stat); 1138 1139 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1140 url_start(ifp); 1141 splx(s); 1142 } 1143 1144 Static void 1145 url_stop_task(struct url_softc *sc) 1146 { 1147 url_stop(GET_IFP(sc), 1); 1148 } 1149 1150 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1151 Static void 1152 url_stop(struct ifnet *ifp, int disable) 1153 { 1154 struct url_softc *sc = ifp->if_softc; 1155 usbd_status err; 1156 int i; 1157 1158 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1159 1160 ifp->if_timer = 0; 1161 1162 url_reset(sc); 1163 1164 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1165 1166 /* Stop transfers */ 1167 /* RX endpoint */ 1168 if (sc->sc_pipe_rx != NULL) { 1169 err = usbd_abort_pipe(sc->sc_pipe_rx); 1170 if (err) 1171 printf("%s: abort rx pipe failed: %s\n", 1172 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1173 err = usbd_close_pipe(sc->sc_pipe_rx); 1174 if (err) 1175 printf("%s: close rx pipe failed: %s\n", 1176 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1177 sc->sc_pipe_rx = NULL; 1178 } 1179 1180 /* TX endpoint */ 1181 if (sc->sc_pipe_tx != NULL) { 1182 err = usbd_abort_pipe(sc->sc_pipe_tx); 1183 if (err) 1184 printf("%s: abort tx pipe failed: %s\n", 1185 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1186 err = usbd_close_pipe(sc->sc_pipe_tx); 1187 if (err) 1188 printf("%s: close tx pipe failed: %s\n", 1189 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1190 sc->sc_pipe_tx = NULL; 1191 } 1192 1193 #if 0 1194 /* XXX: Interrupt endpoint is not yet supported!! */ 1195 /* Interrupt endpoint */ 1196 if (sc->sc_pipe_intr != NULL) { 1197 err = usbd_abort_pipe(sc->sc_pipe_intr); 1198 if (err) 1199 printf("%s: abort intr pipe failed: %s\n", 1200 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1201 err = usbd_close_pipe(sc->sc_pipe_intr); 1202 if (err) 1203 printf("%s: close intr pipe failed: %s\n", 1204 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1205 sc->sc_pipe_intr = NULL; 1206 } 1207 #endif 1208 1209 /* Free RX resources. */ 1210 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1211 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1212 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1213 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1214 } 1215 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1216 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1217 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1218 } 1219 } 1220 1221 /* Free TX resources. */ 1222 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1223 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1224 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1225 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1226 } 1227 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1228 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1229 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1230 } 1231 } 1232 1233 sc->sc_link = 0; 1234 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1235 } 1236 1237 /* Set media options */ 1238 Static int 1239 url_ifmedia_change(struct ifnet *ifp) 1240 { 1241 struct url_softc *sc = ifp->if_softc; 1242 struct mii_data *mii = GET_MII(sc); 1243 int rc; 1244 1245 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1246 1247 if (sc->sc_dying) 1248 return (0); 1249 1250 sc->sc_link = 0; 1251 if ((rc = mii_mediachg(mii)) == ENXIO) 1252 return 0; 1253 return rc; 1254 } 1255 1256 /* Report current media status. */ 1257 Static void 1258 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1259 { 1260 struct url_softc *sc = ifp->if_softc; 1261 1262 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1263 1264 if (sc->sc_dying) 1265 return; 1266 1267 ether_mediastatus(ifp, ifmr); 1268 } 1269 1270 Static void 1271 url_tick(void *xsc) 1272 { 1273 struct url_softc *sc = xsc; 1274 1275 if (sc == NULL) 1276 return; 1277 1278 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1279 __func__)); 1280 1281 if (sc->sc_dying) 1282 return; 1283 1284 /* Perform periodic stuff in process context */ 1285 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1286 } 1287 1288 Static void 1289 url_tick_task(void *xsc) 1290 { 1291 struct url_softc *sc = xsc; 1292 struct ifnet *ifp; 1293 struct mii_data *mii; 1294 int s; 1295 1296 if (sc == NULL) 1297 return; 1298 1299 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1300 __func__)); 1301 1302 if (sc->sc_dying) 1303 return; 1304 1305 ifp = GET_IFP(sc); 1306 mii = GET_MII(sc); 1307 1308 if (mii == NULL) 1309 return; 1310 1311 s = splnet(); 1312 1313 mii_tick(mii); 1314 if (!sc->sc_link) { 1315 mii_pollstat(mii); 1316 if (mii->mii_media_status & IFM_ACTIVE && 1317 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1318 DPRINTF(("%s: %s: got link\n", 1319 USBDEVNAME(sc->sc_dev), __func__)); 1320 sc->sc_link++; 1321 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1322 url_start(ifp); 1323 } 1324 } 1325 1326 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1327 1328 splx(s); 1329 } 1330 1331 /* Get exclusive access to the MII registers */ 1332 Static void 1333 url_lock_mii(struct url_softc *sc) 1334 { 1335 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1336 __func__)); 1337 1338 sc->sc_refcnt++; 1339 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1340 } 1341 1342 Static void 1343 url_unlock_mii(struct url_softc *sc) 1344 { 1345 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1346 __func__)); 1347 1348 rw_exit(&sc->sc_mii_rwlock); 1349 if (--sc->sc_refcnt < 0) 1350 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1351 } 1352 1353 Static int 1354 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1355 { 1356 struct url_softc *sc; 1357 u_int16_t val; 1358 1359 if (dev == NULL) 1360 return (0); 1361 1362 sc = USBGETSOFTC(dev); 1363 1364 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1365 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1366 1367 if (sc->sc_dying) { 1368 #ifdef DIAGNOSTIC 1369 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1370 __func__); 1371 #endif 1372 return (0); 1373 } 1374 1375 /* XXX: one PHY only for the RTL8150 internal PHY */ 1376 if (phy != 0) { 1377 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1378 USBDEVNAME(sc->sc_dev), __func__, phy)); 1379 return (0); 1380 } 1381 1382 url_lock_mii(sc); 1383 1384 switch (reg) { 1385 case MII_BMCR: /* Control Register */ 1386 reg = URL_BMCR; 1387 break; 1388 case MII_BMSR: /* Status Register */ 1389 reg = URL_BMSR; 1390 break; 1391 case MII_PHYIDR1: 1392 case MII_PHYIDR2: 1393 val = 0; 1394 goto R_DONE; 1395 break; 1396 case MII_ANAR: /* Autonegotiation advertisement */ 1397 reg = URL_ANAR; 1398 break; 1399 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1400 reg = URL_ANLP; 1401 break; 1402 case URLPHY_MSR: /* Media Status Register */ 1403 reg = URL_MSR; 1404 break; 1405 default: 1406 printf("%s: %s: bad register %04x\n", 1407 USBDEVNAME(sc->sc_dev), __func__, reg); 1408 val = 0; 1409 goto R_DONE; 1410 break; 1411 } 1412 1413 if (reg == URL_MSR) 1414 val = url_csr_read_1(sc, reg); 1415 else 1416 val = url_csr_read_2(sc, reg); 1417 1418 R_DONE: 1419 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1420 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1421 1422 url_unlock_mii(sc); 1423 return (val); 1424 } 1425 1426 Static void 1427 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1428 { 1429 struct url_softc *sc; 1430 1431 if (dev == NULL) 1432 return; 1433 1434 sc = USBGETSOFTC(dev); 1435 1436 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1437 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1438 1439 if (sc->sc_dying) { 1440 #ifdef DIAGNOSTIC 1441 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1442 __func__); 1443 #endif 1444 return; 1445 } 1446 1447 /* XXX: one PHY only for the RTL8150 internal PHY */ 1448 if (phy != 0) { 1449 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1450 USBDEVNAME(sc->sc_dev), __func__, phy)); 1451 return; 1452 } 1453 1454 url_lock_mii(sc); 1455 1456 switch (reg) { 1457 case MII_BMCR: /* Control Register */ 1458 reg = URL_BMCR; 1459 break; 1460 case MII_BMSR: /* Status Register */ 1461 reg = URL_BMSR; 1462 break; 1463 case MII_PHYIDR1: 1464 case MII_PHYIDR2: 1465 goto W_DONE; 1466 break; 1467 case MII_ANAR: /* Autonegotiation advertisement */ 1468 reg = URL_ANAR; 1469 break; 1470 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1471 reg = URL_ANLP; 1472 break; 1473 case URLPHY_MSR: /* Media Status Register */ 1474 reg = URL_MSR; 1475 break; 1476 default: 1477 printf("%s: %s: bad register %04x\n", 1478 USBDEVNAME(sc->sc_dev), __func__, reg); 1479 goto W_DONE; 1480 break; 1481 } 1482 1483 if (reg == URL_MSR) 1484 url_csr_write_1(sc, reg, data); 1485 else 1486 url_csr_write_2(sc, reg, data); 1487 W_DONE: 1488 1489 url_unlock_mii(sc); 1490 return; 1491 } 1492 1493 Static void 1494 url_miibus_statchg(device_ptr_t dev) 1495 { 1496 #ifdef URL_DEBUG 1497 struct url_softc *sc; 1498 1499 if (dev == NULL) 1500 return; 1501 1502 sc = USBGETSOFTC(dev); 1503 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1504 #endif 1505 /* Nothing to do */ 1506 } 1507 1508 #if 0 1509 /* 1510 * external PHYs support, but not test. 1511 */ 1512 Static int 1513 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1514 { 1515 struct url_softc *sc = USBGETSOFTC(dev); 1516 u_int16_t val; 1517 1518 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1519 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1520 1521 if (sc->sc_dying) { 1522 #ifdef DIAGNOSTIC 1523 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1524 __func__); 1525 #endif 1526 return (0); 1527 } 1528 1529 url_lock_mii(sc); 1530 1531 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1532 /* 1533 * RTL8150L will initiate a MII management data transaction 1534 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1535 * this bit is auto cleared by TRL8150L. 1536 */ 1537 url_csr_write_1(sc, URL_PHYCNT, 1538 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1539 for (i = 0; i < URL_TIMEOUT; i++) { 1540 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1541 break; 1542 } 1543 if (i == URL_TIMEOUT) { 1544 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1545 } 1546 1547 val = url_csr_read_2(sc, URL_PHYDAT); 1548 1549 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1550 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1551 1552 url_unlock_mii(sc); 1553 return (val); 1554 } 1555 1556 Static void 1557 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1558 { 1559 struct url_softc *sc = USBGETSOFTC(dev); 1560 1561 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1562 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1563 1564 if (sc->sc_dying) { 1565 #ifdef DIAGNOSTIC 1566 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1567 __func__); 1568 #endif 1569 return; 1570 } 1571 1572 url_lock_mii(sc); 1573 1574 url_csr_write_2(sc, URL_PHYDAT, data); 1575 url_csr_write_1(sc, URL_PHYADD, phy); 1576 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1577 1578 for (i=0; i < URL_TIMEOUT; i++) { 1579 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1580 break; 1581 } 1582 1583 if (i == URL_TIMEOUT) { 1584 printf("%s: MII write timed out\n", 1585 USBDEVNAME(sc->sc_dev)); 1586 } 1587 1588 url_unlock_mii(sc); 1589 return; 1590 } 1591 #endif 1592 1593