1 /* $NetBSD: if_url.c,v 1.67 2019/08/01 00:10:22 mrg Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 5 * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of any co-contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 /* 34 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at 35 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf 36 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf 37 */ 38 39 /* 40 * TODO: 41 * Interrupt Endpoint support 42 * External PHYs 43 * powerhook() support? 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.67 2019/08/01 00:10:22 mrg Exp $"); 48 49 #ifdef _KERNEL_OPT 50 #include "opt_inet.h" 51 #include "opt_usb.h" 52 #endif 53 54 #include <sys/param.h> 55 #include <sys/systm.h> 56 #include <sys/rwlock.h> 57 #include <sys/mbuf.h> 58 #include <sys/kernel.h> 59 #include <sys/socket.h> 60 61 #include <sys/device.h> 62 #include <sys/rndsource.h> 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 #include <net/bpf.h> 70 71 #include <net/if_ether.h> 72 #ifdef INET 73 #include <netinet/in.h> 74 #include <netinet/if_inarp.h> 75 #endif 76 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 #include <dev/mii/urlphyreg.h> 80 81 #include <dev/usb/usb.h> 82 #include <dev/usb/usbdi.h> 83 #include <dev/usb/usbdi_util.h> 84 #include <dev/usb/usbdevs.h> 85 86 #include <dev/usb/if_urlreg.h> 87 88 89 /* Function declarations */ 90 int url_match(device_t, cfdata_t, void *); 91 void url_attach(device_t, device_t, void *); 92 int url_detach(device_t, int); 93 int url_activate(device_t, enum devact); 94 95 CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, 96 url_detach, url_activate); 97 98 Static int url_openpipes(struct url_softc *); 99 Static int url_rx_list_init(struct url_softc *); 100 Static int url_tx_list_init(struct url_softc *); 101 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 102 Static void url_start(struct ifnet *); 103 Static int url_send(struct url_softc *, struct mbuf *, int); 104 Static void url_txeof(struct usbd_xfer *, void *, usbd_status); 105 Static void url_rxeof(struct usbd_xfer *, void *, usbd_status); 106 Static void url_tick(void *); 107 Static void url_tick_task(void *); 108 Static int url_ioctl(struct ifnet *, u_long, void *); 109 Static void url_stop_task(struct url_softc *); 110 Static void url_stop(struct ifnet *, int); 111 Static void url_watchdog(struct ifnet *); 112 Static int url_ifmedia_change(struct ifnet *); 113 Static void url_lock_mii(struct url_softc *); 114 Static void url_unlock_mii(struct url_softc *); 115 Static int url_int_miibus_readreg(device_t, int, int, uint16_t *); 116 Static int url_int_miibus_writereg(device_t, int, int, uint16_t); 117 Static void url_miibus_statchg(struct ifnet *); 118 Static int url_init(struct ifnet *); 119 Static void url_setmulti(struct url_softc *); 120 Static void url_reset(struct url_softc *); 121 122 Static int url_csr_read_1(struct url_softc *, int); 123 Static int url_csr_read_2(struct url_softc *, int); 124 Static int url_csr_write_1(struct url_softc *, int, int); 125 Static int url_csr_write_2(struct url_softc *, int, int); 126 Static int url_csr_write_4(struct url_softc *, int, int); 127 Static int url_mem(struct url_softc *, int, int, void *, int); 128 129 /* Macros */ 130 #ifdef URL_DEBUG 131 #define DPRINTF(x) if (urldebug) printf x 132 #define DPRINTFN(n, x) if (urldebug >= (n)) printf x 133 int urldebug = 0; 134 #else 135 #define DPRINTF(x) 136 #define DPRINTFN(n, x) 137 #endif 138 139 #define URL_SETBIT(sc, reg, x) \ 140 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 141 142 #define URL_SETBIT2(sc, reg, x) \ 143 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 144 145 #define URL_CLRBIT(sc, reg, x) \ 146 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 147 148 #define URL_CLRBIT2(sc, reg, x) \ 149 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 150 151 static const struct url_type { 152 struct usb_devno url_dev; 153 uint16_t url_flags; 154 #define URL_EXT_PHY 0x0001 155 } url_devs [] = { 156 /* MELCO LUA-KTX */ 157 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 158 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 159 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 160 /* Longshine LCS-8138TX */ 161 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 162 /* Micronet SP128AR */ 163 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 164 /* OQO model 01 */ 165 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 166 }; 167 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 168 169 170 /* Probe */ 171 int 172 url_match(device_t parent, cfdata_t match, void *aux) 173 { 174 struct usb_attach_arg *uaa = aux; 175 176 return url_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 177 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 178 } 179 /* Attach */ 180 void 181 url_attach(device_t parent, device_t self, void *aux) 182 { 183 struct url_softc *sc = device_private(self); 184 struct usb_attach_arg *uaa = aux; 185 struct usbd_device *dev = uaa->uaa_device; 186 struct usbd_interface *iface; 187 usbd_status err; 188 usb_interface_descriptor_t *id; 189 usb_endpoint_descriptor_t *ed; 190 char *devinfop; 191 struct ifnet *ifp; 192 struct mii_data *mii; 193 u_char eaddr[ETHER_ADDR_LEN]; 194 int i, s; 195 196 sc->sc_dev = self; 197 198 aprint_naive("\n"); 199 aprint_normal("\n"); 200 201 devinfop = usbd_devinfo_alloc(dev, 0); 202 aprint_normal_dev(self, "%s\n", devinfop); 203 usbd_devinfo_free(devinfop); 204 205 /* Move the device into the configured state. */ 206 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 207 if (err) { 208 aprint_error_dev(self, "failed to set configuration" 209 ", err=%s\n", usbd_errstr(err)); 210 goto bad; 211 } 212 213 usb_init_task(&sc->sc_tick_task, url_tick_task, sc, 0); 214 rw_init(&sc->sc_mii_rwlock); 215 usb_init_task(&sc->sc_stop_task, (void (*)(void *))url_stop_task, sc, 0); 216 217 /* get control interface */ 218 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 219 if (err) { 220 aprint_error_dev(self, "failed to get interface, err=%s\n", 221 usbd_errstr(err)); 222 goto bad; 223 } 224 225 sc->sc_udev = dev; 226 sc->sc_ctl_iface = iface; 227 sc->sc_flags = url_lookup(uaa->uaa_vendor, uaa->uaa_product)->url_flags; 228 229 /* get interface descriptor */ 230 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 231 232 /* find endpoints */ 233 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 234 for (i = 0; i < id->bNumEndpoints; i++) { 235 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 236 if (ed == NULL) { 237 aprint_error_dev(self, 238 "couldn't get endpoint %d\n", i); 239 goto bad; 240 } 241 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 242 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 243 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 244 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 245 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 246 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 247 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 248 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 249 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 250 } 251 252 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 253 sc->sc_intrin_no == -1) { 254 aprint_error_dev(self, "missing endpoint\n"); 255 goto bad; 256 } 257 258 s = splnet(); 259 260 /* reset the adapter */ 261 url_reset(sc); 262 263 /* Get Ethernet Address */ 264 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 265 ETHER_ADDR_LEN); 266 if (err) { 267 aprint_error_dev(self, "read MAC address failed\n"); 268 splx(s); 269 goto bad; 270 } 271 272 /* Print Ethernet Address */ 273 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 274 275 /* initialize interface information */ 276 ifp = GET_IFP(sc); 277 ifp->if_softc = sc; 278 ifp->if_mtu = ETHERMTU; 279 strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 280 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 281 ifp->if_start = url_start; 282 ifp->if_ioctl = url_ioctl; 283 ifp->if_watchdog = url_watchdog; 284 ifp->if_init = url_init; 285 ifp->if_stop = url_stop; 286 287 IFQ_SET_READY(&ifp->if_snd); 288 289 /* 290 * Do ifmedia setup. 291 */ 292 mii = &sc->sc_mii; 293 mii->mii_ifp = ifp; 294 mii->mii_readreg = url_int_miibus_readreg; 295 mii->mii_writereg = url_int_miibus_writereg; 296 #if 0 297 if (sc->sc_flags & URL_EXT_PHY) { 298 mii->mii_readreg = url_ext_miibus_readreg; 299 mii->mii_writereg = url_ext_miibus_writereg; 300 } 301 #endif 302 mii->mii_statchg = url_miibus_statchg; 303 mii->mii_flags = MIIF_AUTOTSLEEP; 304 sc->sc_ec.ec_mii = mii; 305 ifmedia_init(&mii->mii_media, 0, 306 url_ifmedia_change, ether_mediastatus); 307 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 308 if (LIST_FIRST(&mii->mii_phys) == NULL) { 309 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 310 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 311 } else 312 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 313 314 /* attach the interface */ 315 if_attach(ifp); 316 ether_ifattach(ifp, eaddr); 317 318 rnd_attach_source(&sc->rnd_source, device_xname(self), 319 RND_TYPE_NET, RND_FLAG_DEFAULT); 320 321 callout_init(&sc->sc_stat_ch, 0); 322 sc->sc_attached = 1; 323 splx(s); 324 325 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 326 327 if (!pmf_device_register(self, NULL, NULL)) 328 aprint_error_dev(self, "couldn't establish power handler\n"); 329 330 return; 331 332 bad: 333 sc->sc_dying = 1; 334 return; 335 } 336 337 /* detach */ 338 int 339 url_detach(device_t self, int flags) 340 { 341 struct url_softc *sc = device_private(self); 342 struct ifnet *ifp = GET_IFP(sc); 343 int s; 344 345 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 346 347 /* Detached before attached finished */ 348 if (!sc->sc_attached) 349 return 0; 350 351 pmf_device_deregister(self); 352 353 /* 354 * XXX Halting callout guarantees no more tick tasks. What 355 * guarantees no more stop tasks? What guarantees no more 356 * calls to url_send? Don't we need to wait for if_detach or 357 * something? Should set sc->sc_dying here? Is device 358 * deactivation guaranteed to have already happened? 359 */ 360 callout_halt(&sc->sc_stat_ch, NULL); 361 362 /* Remove any pending tasks */ 363 usb_rem_task_wait(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER, 364 NULL); 365 usb_rem_task_wait(sc->sc_udev, &sc->sc_stop_task, USB_TASKQ_DRIVER, 366 NULL); 367 368 s = splusb(); 369 370 if (--sc->sc_refcnt >= 0) { 371 /* Wait for processes to go away */ 372 usb_detach_waitold(sc->sc_dev); 373 } 374 375 if (ifp->if_flags & IFF_RUNNING) 376 url_stop(GET_IFP(sc), 1); 377 378 rnd_detach_source(&sc->rnd_source); 379 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 380 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 381 ether_ifdetach(ifp); 382 if_detach(ifp); 383 384 #ifdef DIAGNOSTIC 385 if (sc->sc_pipe_tx != NULL) 386 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 387 if (sc->sc_pipe_rx != NULL) 388 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 389 if (sc->sc_pipe_intr != NULL) 390 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 391 #endif 392 393 sc->sc_attached = 0; 394 395 splx(s); 396 397 rw_destroy(&sc->sc_mii_rwlock); 398 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 399 400 return 0; 401 } 402 403 /* read/write memory */ 404 Static int 405 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 406 { 407 usb_device_request_t req; 408 usbd_status err; 409 410 if (sc == NULL) 411 return 0; 412 413 DPRINTFN(0x200, 414 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 415 416 if (sc->sc_dying) 417 return 0; 418 419 if (cmd == URL_CMD_READMEM) 420 req.bmRequestType = UT_READ_VENDOR_DEVICE; 421 else 422 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 423 req.bRequest = URL_REQ_MEM; 424 USETW(req.wValue, offset); 425 USETW(req.wIndex, 0x0000); 426 USETW(req.wLength, len); 427 428 sc->sc_refcnt++; 429 err = usbd_do_request(sc->sc_udev, &req, buf); 430 if (--sc->sc_refcnt < 0) 431 usb_detach_wakeupold(sc->sc_dev); 432 if (err) { 433 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 434 device_xname(sc->sc_dev), 435 cmd == URL_CMD_READMEM ? "read" : "write", 436 offset, err)); 437 } 438 439 return err; 440 } 441 442 /* read 1byte from register */ 443 Static int 444 url_csr_read_1(struct url_softc *sc, int reg) 445 { 446 uint8_t val = 0; 447 448 DPRINTFN(0x100, 449 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 450 451 if (sc->sc_dying) 452 return 0; 453 454 return url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val; 455 } 456 457 /* read 2bytes from register */ 458 Static int 459 url_csr_read_2(struct url_softc *sc, int reg) 460 { 461 uWord val; 462 463 DPRINTFN(0x100, 464 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 465 466 if (sc->sc_dying) 467 return 0; 468 469 USETW(val, 0); 470 return url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val); 471 } 472 473 /* write 1byte to register */ 474 Static int 475 url_csr_write_1(struct url_softc *sc, int reg, int aval) 476 { 477 uint8_t val = aval; 478 479 DPRINTFN(0x100, 480 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 481 482 if (sc->sc_dying) 483 return 0; 484 485 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0; 486 } 487 488 /* write 2bytes to register */ 489 Static int 490 url_csr_write_2(struct url_softc *sc, int reg, int aval) 491 { 492 uWord val; 493 494 DPRINTFN(0x100, 495 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 496 497 USETW(val, aval); 498 499 if (sc->sc_dying) 500 return 0; 501 502 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0; 503 } 504 505 /* write 4bytes to register */ 506 Static int 507 url_csr_write_4(struct url_softc *sc, int reg, int aval) 508 { 509 uDWord val; 510 511 DPRINTFN(0x100, 512 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 513 514 USETDW(val, aval); 515 516 if (sc->sc_dying) 517 return 0; 518 519 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0; 520 } 521 522 Static int 523 url_init(struct ifnet *ifp) 524 { 525 struct url_softc *sc = ifp->if_softc; 526 struct mii_data *mii = GET_MII(sc); 527 const u_char *eaddr; 528 int i, rc, s; 529 530 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 531 532 if (sc->sc_dying) 533 return EIO; 534 535 s = splnet(); 536 537 /* Cancel pending I/O and free all TX/RX buffers */ 538 url_stop(ifp, 1); 539 540 eaddr = CLLADDR(ifp->if_sadl); 541 for (i = 0; i < ETHER_ADDR_LEN; i++) 542 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 543 544 /* Init transmission control register */ 545 URL_CLRBIT(sc, URL_TCR, 546 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 547 URL_TCR_IFG1 | URL_TCR_IFG0 | 548 URL_TCR_NOCRC); 549 550 /* Init receive control register */ 551 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 552 if (ifp->if_flags & IFF_BROADCAST) 553 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 554 else 555 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 556 557 /* If we want promiscuous mode, accept all physical frames. */ 558 if (ifp->if_flags & IFF_PROMISC) 559 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM | URL_RCR_AAP); 560 else 561 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM | URL_RCR_AAP); 562 563 564 /* Load the multicast filter */ 565 url_setmulti(sc); 566 567 /* Enable RX and TX */ 568 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 569 570 if ((rc = mii_mediachg(mii)) == ENXIO) 571 rc = 0; 572 else if (rc != 0) 573 goto out; 574 575 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 576 if (url_openpipes(sc)) { 577 splx(s); 578 return EIO; 579 } 580 } 581 /* Initialize transmit ring */ 582 if (url_tx_list_init(sc)) { 583 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 584 splx(s); 585 return EIO; 586 } 587 588 /* Initialize receive ring */ 589 if (url_rx_list_init(sc)) { 590 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 591 splx(s); 592 return EIO; 593 } 594 /* Start up the receive pipe. */ 595 for (i = 0; i < URL_RX_LIST_CNT; i++) { 596 struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; 597 598 usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, 599 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); 600 (void)usbd_transfer(c->url_xfer); 601 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 602 __func__)); 603 } 604 605 ifp->if_flags |= IFF_RUNNING; 606 ifp->if_flags &= ~IFF_OACTIVE; 607 608 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 609 610 out: 611 splx(s); 612 return rc; 613 } 614 615 Static void 616 url_reset(struct url_softc *sc) 617 { 618 int i; 619 620 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 621 622 if (sc->sc_dying) 623 return; 624 625 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 626 627 for (i = 0; i < URL_TX_TIMEOUT; i++) { 628 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 629 break; 630 delay(10); /* XXX */ 631 } 632 633 delay(10000); /* XXX */ 634 } 635 636 int 637 url_activate(device_t self, enum devact act) 638 { 639 struct url_softc *sc = device_private(self); 640 641 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 642 __func__, act)); 643 644 switch (act) { 645 case DVACT_DEACTIVATE: 646 if_deactivate(&sc->sc_ec.ec_if); 647 sc->sc_dying = 1; 648 return 0; 649 default: 650 return EOPNOTSUPP; 651 } 652 } 653 654 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 655 656 657 Static void 658 url_setmulti(struct url_softc *sc) 659 { 660 struct ethercom *ec = &sc->sc_ec; 661 struct ifnet *ifp; 662 struct ether_multi *enm; 663 struct ether_multistep step; 664 uint32_t hashes[2] = { 0, 0 }; 665 int h = 0; 666 int mcnt = 0; 667 668 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 669 670 if (sc->sc_dying) 671 return; 672 673 ifp = GET_IFP(sc); 674 675 if (ifp->if_flags & IFF_PROMISC) { 676 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM | URL_RCR_AAP); 677 return; 678 } else if (ifp->if_flags & IFF_ALLMULTI) { 679 allmulti: 680 ifp->if_flags |= IFF_ALLMULTI; 681 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 682 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 683 return; 684 } 685 686 /* first, zot all the existing hash bits */ 687 url_csr_write_4(sc, URL_MAR0, 0); 688 url_csr_write_4(sc, URL_MAR4, 0); 689 690 /* now program new ones */ 691 ETHER_LOCK(ec); 692 ETHER_FIRST_MULTI(step, ec, enm); 693 while (enm != NULL) { 694 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 695 ETHER_ADDR_LEN) != 0) { 696 ETHER_UNLOCK(ec); 697 goto allmulti; 698 } 699 700 h = url_calchash(enm->enm_addrlo); 701 if (h < 32) 702 hashes[0] |= (1 << h); 703 else 704 hashes[1] |= (1 << (h -32)); 705 mcnt++; 706 ETHER_NEXT_MULTI(step, enm); 707 } 708 ETHER_UNLOCK(ec); 709 710 ifp->if_flags &= ~IFF_ALLMULTI; 711 712 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM | URL_RCR_AAP); 713 714 if (mcnt) { 715 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 716 } else { 717 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 718 } 719 url_csr_write_4(sc, URL_MAR0, hashes[0]); 720 url_csr_write_4(sc, URL_MAR4, hashes[1]); 721 } 722 723 Static int 724 url_openpipes(struct url_softc *sc) 725 { 726 usbd_status err; 727 int error = 0; 728 729 if (sc->sc_dying) 730 return EIO; 731 732 sc->sc_refcnt++; 733 734 /* Open RX pipe */ 735 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 736 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 737 if (err) { 738 printf("%s: open rx pipe failed: %s\n", 739 device_xname(sc->sc_dev), usbd_errstr(err)); 740 error = EIO; 741 goto done; 742 } 743 744 /* Open TX pipe */ 745 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 746 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 747 if (err) { 748 printf("%s: open tx pipe failed: %s\n", 749 device_xname(sc->sc_dev), usbd_errstr(err)); 750 error = EIO; 751 goto done; 752 } 753 754 #if 0 755 /* XXX: interrupt endpoint is not yet supported */ 756 /* Open Interrupt pipe */ 757 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 758 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 759 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 760 url_intr, USBD_DEFAULT_INTERVAL); 761 if (err) { 762 printf("%s: open intr pipe failed: %s\n", 763 device_xname(sc->sc_dev), usbd_errstr(err)); 764 error = EIO; 765 goto done; 766 } 767 #endif 768 769 done: 770 if (--sc->sc_refcnt < 0) 771 usb_detach_wakeupold(sc->sc_dev); 772 773 return error; 774 } 775 776 Static int 777 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 778 { 779 struct mbuf *m_new = NULL; 780 781 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 782 783 if (m == NULL) { 784 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 785 if (m_new == NULL) { 786 printf("%s: no memory for rx list " 787 "-- packet dropped!\n", device_xname(sc->sc_dev)); 788 return ENOBUFS; 789 } 790 MCLGET(m_new, M_DONTWAIT); 791 if (!(m_new->m_flags & M_EXT)) { 792 printf("%s: no memory for rx list " 793 "-- packet dropped!\n", device_xname(sc->sc_dev)); 794 m_freem(m_new); 795 return ENOBUFS; 796 } 797 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 798 } else { 799 m_new = m; 800 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 801 m_new->m_data = m_new->m_ext.ext_buf; 802 } 803 804 m_adj(m_new, ETHER_ALIGN); 805 c->url_mbuf = m_new; 806 807 return 0; 808 } 809 810 811 Static int 812 url_rx_list_init(struct url_softc *sc) 813 { 814 struct url_cdata *cd; 815 struct url_chain *c; 816 int i; 817 818 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 819 820 cd = &sc->sc_cdata; 821 for (i = 0; i < URL_RX_LIST_CNT; i++) { 822 c = &cd->url_rx_chain[i]; 823 c->url_sc = sc; 824 if (url_newbuf(sc, c, NULL) == ENOBUFS) 825 return ENOBUFS; 826 if (c->url_xfer == NULL) { 827 int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, 828 0, 0, &c->url_xfer); 829 if (error) 830 return error; 831 c->url_buf = usbd_get_buffer(c->url_xfer); 832 } 833 } 834 835 return 0; 836 } 837 838 Static int 839 url_tx_list_init(struct url_softc *sc) 840 { 841 struct url_cdata *cd; 842 struct url_chain *c; 843 int i; 844 845 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 846 847 cd = &sc->sc_cdata; 848 for (i = 0; i < URL_TX_LIST_CNT; i++) { 849 c = &cd->url_tx_chain[i]; 850 c->url_sc = sc; 851 c->url_mbuf = NULL; 852 if (c->url_xfer == NULL) { 853 int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, 854 USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); 855 if (error) 856 return error; 857 c->url_buf = usbd_get_buffer(c->url_xfer); 858 } 859 } 860 861 return 0; 862 } 863 864 Static void 865 url_start(struct ifnet *ifp) 866 { 867 struct url_softc *sc = ifp->if_softc; 868 struct mbuf *m_head = NULL; 869 870 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 871 __func__, sc->sc_link)); 872 873 if (sc->sc_dying) 874 return; 875 876 if (!sc->sc_link) 877 return; 878 879 if (ifp->if_flags & IFF_OACTIVE) 880 return; 881 882 IFQ_POLL(&ifp->if_snd, m_head); 883 if (m_head == NULL) 884 return; 885 886 if (url_send(sc, m_head, 0)) { 887 ifp->if_flags |= IFF_OACTIVE; 888 return; 889 } 890 891 IFQ_DEQUEUE(&ifp->if_snd, m_head); 892 893 bpf_mtap(ifp, m_head, BPF_D_OUT); 894 895 ifp->if_flags |= IFF_OACTIVE; 896 897 /* Set a timeout in case the chip goes out to lunch. */ 898 ifp->if_timer = 5; 899 } 900 901 Static int 902 url_send(struct url_softc *sc, struct mbuf *m, int idx) 903 { 904 int total_len; 905 struct url_chain *c; 906 usbd_status err; 907 908 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 909 910 c = &sc->sc_cdata.url_tx_chain[idx]; 911 912 /* Copy the mbuf data into a contiguous buffer */ 913 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 914 c->url_mbuf = m; 915 total_len = m->m_pkthdr.len; 916 917 if (total_len < URL_MIN_FRAME_LEN) { 918 memset(c->url_buf + total_len, 0, 919 URL_MIN_FRAME_LEN - total_len); 920 total_len = URL_MIN_FRAME_LEN; 921 } 922 usbd_setup_xfer(c->url_xfer, c, c->url_buf, total_len, 923 USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); 924 925 /* Transmit */ 926 sc->sc_refcnt++; 927 err = usbd_transfer(c->url_xfer); 928 if (--sc->sc_refcnt < 0) 929 usb_detach_wakeupold(sc->sc_dev); 930 if (err != USBD_IN_PROGRESS) { 931 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 932 usbd_errstr(err)); 933 /* Stop the interface */ 934 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 935 USB_TASKQ_DRIVER); 936 return EIO; 937 } 938 939 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 940 __func__, total_len)); 941 942 sc->sc_cdata.url_tx_cnt++; 943 944 return 0; 945 } 946 947 Static void 948 url_txeof(struct usbd_xfer *xfer, void *priv, 949 usbd_status status) 950 { 951 struct url_chain *c = priv; 952 struct url_softc *sc = c->url_sc; 953 struct ifnet *ifp = GET_IFP(sc); 954 int s; 955 956 if (sc->sc_dying) 957 return; 958 959 s = splnet(); 960 961 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 962 963 ifp->if_timer = 0; 964 ifp->if_flags &= ~IFF_OACTIVE; 965 966 if (status != USBD_NORMAL_COMPLETION) { 967 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 968 splx(s); 969 return; 970 } 971 ifp->if_oerrors++; 972 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 973 usbd_errstr(status)); 974 if (status == USBD_STALLED) { 975 sc->sc_refcnt++; 976 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 977 if (--sc->sc_refcnt < 0) 978 usb_detach_wakeupold(sc->sc_dev); 979 } 980 splx(s); 981 return; 982 } 983 984 ifp->if_opackets++; 985 986 m_freem(c->url_mbuf); 987 c->url_mbuf = NULL; 988 989 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 990 url_start(ifp); 991 992 splx(s); 993 } 994 995 Static void 996 url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 997 { 998 struct url_chain *c = priv; 999 struct url_softc *sc = c->url_sc; 1000 struct ifnet *ifp = GET_IFP(sc); 1001 struct mbuf *m; 1002 uint32_t total_len; 1003 url_rxhdr_t rxhdr; 1004 int s; 1005 1006 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1007 1008 if (sc->sc_dying) 1009 return; 1010 1011 if (status != USBD_NORMAL_COMPLETION) { 1012 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1013 return; 1014 sc->sc_rx_errs++; 1015 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1016 printf("%s: %u usb errors on rx: %s\n", 1017 device_xname(sc->sc_dev), sc->sc_rx_errs, 1018 usbd_errstr(status)); 1019 sc->sc_rx_errs = 0; 1020 } 1021 if (status == USBD_STALLED) { 1022 sc->sc_refcnt++; 1023 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1024 if (--sc->sc_refcnt < 0) 1025 usb_detach_wakeupold(sc->sc_dev); 1026 } 1027 goto done; 1028 } 1029 1030 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1031 1032 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1033 1034 if (total_len <= ETHER_CRC_LEN) { 1035 ifp->if_ierrors++; 1036 goto done; 1037 } 1038 1039 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1040 1041 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1042 device_xname(sc->sc_dev), 1043 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1044 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1045 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1046 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1047 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1048 1049 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1050 ifp->if_ierrors++; 1051 goto done; 1052 } 1053 1054 total_len -= ETHER_CRC_LEN; 1055 1056 m = c->url_mbuf; 1057 m->m_pkthdr.len = m->m_len = total_len; 1058 m_set_rcvif(m, ifp); 1059 1060 s = splnet(); 1061 1062 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1063 ifp->if_ierrors++; 1064 goto done1; 1065 } 1066 1067 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1068 __func__, m->m_len)); 1069 if_percpuq_enqueue((ifp)->if_percpuq, (m)); 1070 1071 done1: 1072 splx(s); 1073 1074 done: 1075 /* Setup new transfer */ 1076 usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, 1077 USBD_NO_TIMEOUT, url_rxeof); 1078 sc->sc_refcnt++; 1079 usbd_transfer(xfer); 1080 if (--sc->sc_refcnt < 0) 1081 usb_detach_wakeupold(sc->sc_dev); 1082 1083 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1084 } 1085 1086 #if 0 1087 Static void url_intr(void) 1088 { 1089 } 1090 #endif 1091 1092 Static int 1093 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1094 { 1095 struct url_softc *sc = ifp->if_softc; 1096 int s, error = 0; 1097 1098 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1099 1100 if (sc->sc_dying) 1101 return EIO; 1102 1103 s = splnet(); 1104 1105 error = ether_ioctl(ifp, cmd, data); 1106 if (error == ENETRESET) { 1107 if (ifp->if_flags & IFF_RUNNING) 1108 url_setmulti(sc); 1109 error = 0; 1110 } 1111 1112 splx(s); 1113 1114 return error; 1115 } 1116 1117 Static void 1118 url_watchdog(struct ifnet *ifp) 1119 { 1120 struct url_softc *sc = ifp->if_softc; 1121 struct url_chain *c; 1122 usbd_status stat; 1123 int s; 1124 1125 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1126 1127 ifp->if_oerrors++; 1128 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1129 1130 s = splusb(); 1131 c = &sc->sc_cdata.url_tx_chain[0]; 1132 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1133 url_txeof(c->url_xfer, c, stat); 1134 1135 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1136 url_start(ifp); 1137 splx(s); 1138 } 1139 1140 Static void 1141 url_stop_task(struct url_softc *sc) 1142 { 1143 url_stop(GET_IFP(sc), 1); 1144 } 1145 1146 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1147 Static void 1148 url_stop(struct ifnet *ifp, int disable) 1149 { 1150 struct url_softc *sc = ifp->if_softc; 1151 usbd_status err; 1152 int i; 1153 1154 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1155 1156 ifp->if_timer = 0; 1157 1158 url_reset(sc); 1159 1160 callout_stop(&sc->sc_stat_ch); 1161 1162 /* Stop transfers */ 1163 /* RX endpoint */ 1164 if (sc->sc_pipe_rx != NULL) { 1165 err = usbd_abort_pipe(sc->sc_pipe_rx); 1166 if (err) 1167 printf("%s: abort rx pipe failed: %s\n", 1168 device_xname(sc->sc_dev), usbd_errstr(err)); 1169 } 1170 1171 /* TX endpoint */ 1172 if (sc->sc_pipe_tx != NULL) { 1173 err = usbd_abort_pipe(sc->sc_pipe_tx); 1174 if (err) 1175 printf("%s: abort tx pipe failed: %s\n", 1176 device_xname(sc->sc_dev), usbd_errstr(err)); 1177 } 1178 1179 #if 0 1180 /* XXX: Interrupt endpoint is not yet supported!! */ 1181 /* Interrupt endpoint */ 1182 if (sc->sc_pipe_intr != NULL) { 1183 err = usbd_abort_pipe(sc->sc_pipe_intr); 1184 if (err) 1185 printf("%s: abort intr pipe failed: %s\n", 1186 device_xname(sc->sc_dev), usbd_errstr(err)); 1187 err = usbd_close_pipe(sc->sc_pipe_intr); 1188 if (err) 1189 printf("%s: close intr pipe failed: %s\n", 1190 device_xname(sc->sc_dev), usbd_errstr(err)); 1191 sc->sc_pipe_intr = NULL; 1192 } 1193 #endif 1194 1195 /* Free RX resources. */ 1196 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1197 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1198 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1199 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1200 } 1201 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1202 usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1203 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1204 } 1205 } 1206 1207 /* Free TX resources. */ 1208 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1209 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1210 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1211 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1212 } 1213 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1214 usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1215 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1216 } 1217 } 1218 1219 /* Close pipes */ 1220 /* RX endpoint */ 1221 if (sc->sc_pipe_rx != NULL) { 1222 err = usbd_close_pipe(sc->sc_pipe_rx); 1223 if (err) 1224 printf("%s: close rx pipe failed: %s\n", 1225 device_xname(sc->sc_dev), usbd_errstr(err)); 1226 sc->sc_pipe_rx = NULL; 1227 } 1228 1229 /* TX endpoint */ 1230 if (sc->sc_pipe_tx != NULL) { 1231 err = usbd_close_pipe(sc->sc_pipe_tx); 1232 if (err) 1233 printf("%s: close tx pipe failed: %s\n", 1234 device_xname(sc->sc_dev), usbd_errstr(err)); 1235 sc->sc_pipe_tx = NULL; 1236 } 1237 1238 sc->sc_link = 0; 1239 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1240 } 1241 1242 /* Set media options */ 1243 Static int 1244 url_ifmedia_change(struct ifnet *ifp) 1245 { 1246 struct url_softc *sc = ifp->if_softc; 1247 1248 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1249 1250 if (sc->sc_dying) 1251 return 0; 1252 1253 sc->sc_link = 0; 1254 1255 return ether_mediachange(ifp); 1256 } 1257 1258 Static void 1259 url_tick(void *xsc) 1260 { 1261 struct url_softc *sc = xsc; 1262 1263 if (sc == NULL) 1264 return; 1265 1266 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1267 __func__)); 1268 1269 if (sc->sc_dying) 1270 return; 1271 1272 /* Perform periodic stuff in process context */ 1273 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1274 } 1275 1276 Static void 1277 url_tick_task(void *xsc) 1278 { 1279 struct url_softc *sc = xsc; 1280 struct ifnet *ifp; 1281 struct mii_data *mii; 1282 int s; 1283 1284 if (sc == NULL) 1285 return; 1286 1287 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1288 __func__)); 1289 1290 if (sc->sc_dying) 1291 return; 1292 1293 ifp = GET_IFP(sc); 1294 mii = GET_MII(sc); 1295 1296 if (mii == NULL) 1297 return; 1298 1299 s = splnet(); 1300 1301 mii_tick(mii); 1302 if (!sc->sc_link) { 1303 mii_pollstat(mii); 1304 if (mii->mii_media_status & IFM_ACTIVE && 1305 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1306 DPRINTF(("%s: %s: got link\n", 1307 device_xname(sc->sc_dev), __func__)); 1308 sc->sc_link++; 1309 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1310 url_start(ifp); 1311 } 1312 } 1313 1314 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1315 1316 splx(s); 1317 } 1318 1319 /* Get exclusive access to the MII registers */ 1320 Static void 1321 url_lock_mii(struct url_softc *sc) 1322 { 1323 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1324 __func__)); 1325 1326 sc->sc_refcnt++; 1327 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1328 } 1329 1330 Static void 1331 url_unlock_mii(struct url_softc *sc) 1332 { 1333 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1334 __func__)); 1335 1336 rw_exit(&sc->sc_mii_rwlock); 1337 if (--sc->sc_refcnt < 0) 1338 usb_detach_wakeupold(sc->sc_dev); 1339 } 1340 1341 Static int 1342 url_int_miibus_readreg(device_t dev, int phy, int reg, uint16_t *val) 1343 { 1344 struct url_softc *sc; 1345 uint16_t data; 1346 int rv = 0; 1347 1348 if (dev == NULL) 1349 return 0; 1350 1351 sc = device_private(dev); 1352 1353 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1354 device_xname(sc->sc_dev), __func__, phy, reg)); 1355 1356 if (sc->sc_dying) { 1357 #ifdef DIAGNOSTIC 1358 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1359 __func__); 1360 #endif 1361 return -1; 1362 } 1363 1364 /* XXX: one PHY only for the RTL8150 internal PHY */ 1365 if (phy != 0) { 1366 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1367 device_xname(sc->sc_dev), __func__, phy)); 1368 return -1; 1369 } 1370 1371 url_lock_mii(sc); 1372 1373 switch (reg) { 1374 case MII_BMCR: /* Control Register */ 1375 reg = URL_BMCR; 1376 break; 1377 case MII_BMSR: /* Status Register */ 1378 reg = URL_BMSR; 1379 break; 1380 case MII_PHYIDR1: 1381 case MII_PHYIDR2: 1382 *val = 0; 1383 goto R_DONE; 1384 break; 1385 case MII_ANAR: /* Autonegotiation advertisement */ 1386 reg = URL_ANAR; 1387 break; 1388 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1389 reg = URL_ANLP; 1390 break; 1391 case URLPHY_MSR: /* Media Status Register */ 1392 reg = URL_MSR; 1393 break; 1394 default: 1395 printf("%s: %s: bad register %04x\n", 1396 device_xname(sc->sc_dev), __func__, reg); 1397 rv = -1; 1398 goto R_DONE; 1399 break; 1400 } 1401 1402 if (reg == URL_MSR) 1403 data = url_csr_read_1(sc, reg); 1404 else 1405 data = url_csr_read_2(sc, reg); 1406 *val = data; 1407 1408 R_DONE: 1409 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04hx\n", 1410 device_xname(sc->sc_dev), __func__, phy, reg, *val)); 1411 1412 url_unlock_mii(sc); 1413 return rv; 1414 } 1415 1416 Static int 1417 url_int_miibus_writereg(device_t dev, int phy, int reg, uint16_t val) 1418 { 1419 struct url_softc *sc; 1420 int rv = 0; 1421 1422 if (dev == NULL) 1423 return -1; 1424 1425 sc = device_private(dev); 1426 1427 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x val=0x%04hx\n", 1428 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1429 1430 if (sc->sc_dying) { 1431 #ifdef DIAGNOSTIC 1432 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1433 __func__); 1434 #endif 1435 return -1; 1436 } 1437 1438 /* XXX: one PHY only for the RTL8150 internal PHY */ 1439 if (phy != 0) { 1440 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1441 device_xname(sc->sc_dev), __func__, phy)); 1442 return -1; 1443 } 1444 1445 url_lock_mii(sc); 1446 1447 switch (reg) { 1448 case MII_BMCR: /* Control Register */ 1449 reg = URL_BMCR; 1450 break; 1451 case MII_BMSR: /* Status Register */ 1452 reg = URL_BMSR; 1453 break; 1454 case MII_PHYIDR1: 1455 case MII_PHYIDR2: 1456 goto W_DONE; 1457 break; 1458 case MII_ANAR: /* Autonegotiation advertisement */ 1459 reg = URL_ANAR; 1460 break; 1461 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1462 reg = URL_ANLP; 1463 break; 1464 case URLPHY_MSR: /* Media Status Register */ 1465 reg = URL_MSR; 1466 break; 1467 default: 1468 printf("%s: %s: bad register %04x\n", 1469 device_xname(sc->sc_dev), __func__, reg); 1470 rv = -1; 1471 goto W_DONE; 1472 break; 1473 } 1474 1475 if (reg == URL_MSR) 1476 url_csr_write_1(sc, reg, val); 1477 else 1478 url_csr_write_2(sc, reg, val); 1479 W_DONE: 1480 1481 url_unlock_mii(sc); 1482 return rv; 1483 } 1484 1485 Static void 1486 url_miibus_statchg(struct ifnet *ifp) 1487 { 1488 #ifdef URL_DEBUG 1489 if (ifp == NULL) 1490 return; 1491 1492 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1493 #endif 1494 /* Nothing to do */ 1495 } 1496 1497 #if 0 1498 /* 1499 * external PHYs support, but not test. 1500 */ 1501 Static int 1502 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1503 { 1504 struct url_softc *sc = device_private(dev); 1505 uint16_t val; 1506 1507 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1508 device_xname(sc->sc_dev), __func__, phy, reg)); 1509 1510 if (sc->sc_dying) { 1511 #ifdef DIAGNOSTIC 1512 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1513 __func__); 1514 #endif 1515 return 0; 1516 } 1517 1518 url_lock_mii(sc); 1519 1520 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1521 /* 1522 * RTL8150L will initiate a MII management data transaction 1523 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1524 * this bit is auto cleared by TRL8150L. 1525 */ 1526 url_csr_write_1(sc, URL_PHYCNT, 1527 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1528 for (i = 0; i < URL_TIMEOUT; i++) { 1529 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1530 break; 1531 } 1532 if (i == URL_TIMEOUT) { 1533 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1534 } 1535 1536 val = url_csr_read_2(sc, URL_PHYDAT); 1537 1538 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1539 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1540 1541 url_unlock_mii(sc); 1542 return val; 1543 } 1544 1545 Static void 1546 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1547 { 1548 struct url_softc *sc = device_private(dev); 1549 1550 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1551 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1552 1553 if (sc->sc_dying) { 1554 #ifdef DIAGNOSTIC 1555 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1556 __func__); 1557 #endif 1558 return; 1559 } 1560 1561 url_lock_mii(sc); 1562 1563 url_csr_write_2(sc, URL_PHYDAT, data); 1564 url_csr_write_1(sc, URL_PHYADD, phy); 1565 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1566 1567 for (i=0; i < URL_TIMEOUT; i++) { 1568 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1569 break; 1570 } 1571 1572 if (i == URL_TIMEOUT) { 1573 printf("%s: MII write timed out\n", 1574 device_xname(sc->sc_dev)); 1575 } 1576 1577 url_unlock_mii(sc); 1578 return; 1579 } 1580 #endif 1581