if_url.c revision 1.36
1 /* $NetBSD: if_url.c,v 1.36 2010/01/19 22:07:44 pooka Exp $ */ 2 /* 3 * Copyright (c) 2001, 2002 4 * Shingo WATANABE <nabe (at) 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 1.36 2010/01/19 22:07:44 pooka Exp $"); 47 48 #include "opt_inet.h" 49 #include "rnd.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/rwlock.h> 54 #include <sys/mbuf.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 58 #include <sys/device.h> 59 #if NRND > 0 60 #include <sys/rnd.h> 61 #endif 62 63 #include <net/if.h> 64 #include <net/if_arp.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 68 #include <net/bpf.h> 69 70 #include <net/if_ether.h> 71 #ifdef INET 72 #include <netinet/in.h> 73 #include <netinet/if_inarp.h> 74 #endif 75 76 #include <dev/mii/mii.h> 77 #include <dev/mii/miivar.h> 78 #include <dev/mii/urlphyreg.h> 79 80 #include <dev/usb/usb.h> 81 #include <dev/usb/usbdi.h> 82 #include <dev/usb/usbdi_util.h> 83 #include <dev/usb/usbdevs.h> 84 85 #include <dev/usb/if_urlreg.h> 86 87 88 /* Function declarations */ 89 USB_DECLARE_DRIVER(url); 90 91 Static int url_openpipes(struct url_softc *); 92 Static int url_rx_list_init(struct url_softc *); 93 Static int url_tx_list_init(struct url_softc *); 94 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 95 Static void url_start(struct ifnet *); 96 Static int url_send(struct url_softc *, struct mbuf *, int); 97 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 98 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 99 Static void url_tick(void *); 100 Static void url_tick_task(void *); 101 Static int url_ioctl(struct ifnet *, u_long, void *); 102 Static void url_stop_task(struct url_softc *); 103 Static void url_stop(struct ifnet *, int); 104 Static void url_watchdog(struct ifnet *); 105 Static int url_ifmedia_change(struct ifnet *); 106 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 107 Static void url_lock_mii(struct url_softc *); 108 Static void url_unlock_mii(struct url_softc *); 109 Static int url_int_miibus_readreg(device_ptr_t, int, int); 110 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 111 Static void url_miibus_statchg(device_ptr_t); 112 Static int url_init(struct ifnet *); 113 Static void url_setmulti(struct url_softc *); 114 Static void url_reset(struct url_softc *); 115 116 Static int url_csr_read_1(struct url_softc *, int); 117 Static int url_csr_read_2(struct url_softc *, int); 118 Static int url_csr_write_1(struct url_softc *, int, int); 119 Static int url_csr_write_2(struct url_softc *, int, int); 120 Static int url_csr_write_4(struct url_softc *, int, int); 121 Static int url_mem(struct url_softc *, int, int, void *, int); 122 123 /* Macros */ 124 #ifdef URL_DEBUG 125 #define DPRINTF(x) if (urldebug) logprintf x 126 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x 127 int urldebug = 0; 128 #else 129 #define DPRINTF(x) 130 #define DPRINTFN(n,x) 131 #endif 132 133 #define URL_SETBIT(sc, reg, x) \ 134 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 135 136 #define URL_SETBIT2(sc, reg, x) \ 137 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 138 139 #define URL_CLRBIT(sc, reg, x) \ 140 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 141 142 #define URL_CLRBIT2(sc, reg, x) \ 143 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 144 145 static const struct url_type { 146 struct usb_devno url_dev; 147 u_int16_t url_flags; 148 #define URL_EXT_PHY 0x0001 149 } url_devs [] = { 150 /* MELCO LUA-KTX */ 151 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 152 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 153 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 154 /* Longshine LCS-8138TX */ 155 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 156 /* Micronet SP128AR */ 157 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 158 /* OQO model 01 */ 159 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 160 }; 161 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 162 163 164 /* Probe */ 165 USB_MATCH(url) 166 { 167 USB_MATCH_START(url, uaa); 168 169 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 170 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 171 } 172 /* Attach */ 173 USB_ATTACH(url) 174 { 175 USB_ATTACH_START(url, sc, uaa); 176 usbd_device_handle dev = uaa->device; 177 usbd_interface_handle iface; 178 usbd_status err; 179 usb_interface_descriptor_t *id; 180 usb_endpoint_descriptor_t *ed; 181 char *devinfop; 182 struct ifnet *ifp; 183 struct mii_data *mii; 184 u_char eaddr[ETHER_ADDR_LEN]; 185 int i, s; 186 187 sc->sc_dev = self; 188 189 aprint_naive("\n"); 190 aprint_normal("\n"); 191 192 devinfop = usbd_devinfo_alloc(dev, 0); 193 aprint_normal_dev(self, "%s\n", devinfop); 194 usbd_devinfo_free(devinfop); 195 196 /* Move the device into the configured state. */ 197 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 198 if (err) { 199 aprint_error_dev(self, "setting config no failed\n"); 200 goto bad; 201 } 202 203 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 204 rw_init(&sc->sc_mii_rwlock); 205 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 206 207 /* get control interface */ 208 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 209 if (err) { 210 aprint_error_dev(self, "failed to get interface, err=%s\n", 211 usbd_errstr(err)); 212 goto bad; 213 } 214 215 sc->sc_udev = dev; 216 sc->sc_ctl_iface = iface; 217 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 218 219 /* get interface descriptor */ 220 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 221 222 /* find endpoints */ 223 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 224 for (i = 0; i < id->bNumEndpoints; i++) { 225 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 226 if (ed == NULL) { 227 aprint_error_dev(self, 228 "couldn't get endpoint %d\n", i); 229 goto bad; 230 } 231 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 232 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 233 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 234 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 235 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 236 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 237 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 238 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 239 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 240 } 241 242 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 243 sc->sc_intrin_no == -1) { 244 aprint_error_dev(self, "missing endpoint\n"); 245 goto bad; 246 } 247 248 s = splnet(); 249 250 /* reset the adapter */ 251 url_reset(sc); 252 253 /* Get Ethernet Address */ 254 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 255 ETHER_ADDR_LEN); 256 if (err) { 257 aprint_error_dev(self, "read MAC address failed\n"); 258 splx(s); 259 goto bad; 260 } 261 262 /* Print Ethernet Address */ 263 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 264 265 /* initialize interface information */ 266 ifp = GET_IFP(sc); 267 ifp->if_softc = sc; 268 ifp->if_mtu = ETHERMTU; 269 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 270 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 271 ifp->if_start = url_start; 272 ifp->if_ioctl = url_ioctl; 273 ifp->if_watchdog = url_watchdog; 274 ifp->if_init = url_init; 275 ifp->if_stop = url_stop; 276 277 IFQ_SET_READY(&ifp->if_snd); 278 279 /* 280 * Do ifmedia setup. 281 */ 282 mii = &sc->sc_mii; 283 mii->mii_ifp = ifp; 284 mii->mii_readreg = url_int_miibus_readreg; 285 mii->mii_writereg = url_int_miibus_writereg; 286 #if 0 287 if (sc->sc_flags & URL_EXT_PHY) { 288 mii->mii_readreg = url_ext_miibus_readreg; 289 mii->mii_writereg = url_ext_miibus_writereg; 290 } 291 #endif 292 mii->mii_statchg = url_miibus_statchg; 293 mii->mii_flags = MIIF_AUTOTSLEEP; 294 sc->sc_ec.ec_mii = mii; 295 ifmedia_init(&mii->mii_media, 0, 296 url_ifmedia_change, url_ifmedia_status); 297 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 298 if (LIST_FIRST(&mii->mii_phys) == NULL) { 299 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 300 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 301 } else 302 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 303 304 /* attach the interface */ 305 if_attach(ifp); 306 Ether_ifattach(ifp, eaddr); 307 308 #if NRND > 0 309 rnd_attach_source(&sc->rnd_source, device_xname(self), 310 RND_TYPE_NET, 0); 311 #endif 312 313 usb_callout_init(sc->sc_stat_ch); 314 sc->sc_attached = 1; 315 splx(s); 316 317 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 318 319 USB_ATTACH_SUCCESS_RETURN; 320 321 bad: 322 sc->sc_dying = 1; 323 USB_ATTACH_ERROR_RETURN; 324 } 325 326 /* detach */ 327 USB_DETACH(url) 328 { 329 USB_DETACH_START(url, sc); 330 struct ifnet *ifp = GET_IFP(sc); 331 int s; 332 333 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 334 335 /* Detached before attached finished */ 336 if (!sc->sc_attached) 337 return (0); 338 339 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 340 341 /* Remove any pending tasks */ 342 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 343 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 344 345 s = splusb(); 346 347 if (--sc->sc_refcnt >= 0) { 348 /* Wait for processes to go away */ 349 usb_detach_wait(USBDEV(sc->sc_dev)); 350 } 351 352 if (ifp->if_flags & IFF_RUNNING) 353 url_stop(GET_IFP(sc), 1); 354 355 #if NRND > 0 356 rnd_detach_source(&sc->rnd_source); 357 #endif 358 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 359 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 360 ether_ifdetach(ifp); 361 if_detach(ifp); 362 363 #ifdef DIAGNOSTIC 364 if (sc->sc_pipe_tx != NULL) 365 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 366 if (sc->sc_pipe_rx != NULL) 367 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 368 if (sc->sc_pipe_intr != NULL) 369 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 370 #endif 371 372 sc->sc_attached = 0; 373 374 splx(s); 375 376 rw_destroy(&sc->sc_mii_rwlock); 377 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 378 USBDEV(sc->sc_dev)); 379 380 return (0); 381 } 382 383 /* read/write memory */ 384 Static int 385 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 386 { 387 usb_device_request_t req; 388 usbd_status err; 389 390 if (sc == NULL) 391 return (0); 392 393 DPRINTFN(0x200, 394 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 395 396 if (sc->sc_dying) 397 return (0); 398 399 if (cmd == URL_CMD_READMEM) 400 req.bmRequestType = UT_READ_VENDOR_DEVICE; 401 else 402 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 403 req.bRequest = URL_REQ_MEM; 404 USETW(req.wValue, offset); 405 USETW(req.wIndex, 0x0000); 406 USETW(req.wLength, len); 407 408 sc->sc_refcnt++; 409 err = usbd_do_request(sc->sc_udev, &req, buf); 410 if (--sc->sc_refcnt < 0) 411 usb_detach_wakeup(USBDEV(sc->sc_dev)); 412 if (err) { 413 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 414 USBDEVNAME(sc->sc_dev), 415 cmd == URL_CMD_READMEM ? "read" : "write", 416 offset, err)); 417 } 418 419 return (err); 420 } 421 422 /* read 1byte from register */ 423 Static int 424 url_csr_read_1(struct url_softc *sc, int reg) 425 { 426 u_int8_t val = 0; 427 428 DPRINTFN(0x100, 429 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 430 431 if (sc->sc_dying) 432 return (0); 433 434 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 435 } 436 437 /* read 2bytes from register */ 438 Static int 439 url_csr_read_2(struct url_softc *sc, int reg) 440 { 441 uWord val; 442 443 DPRINTFN(0x100, 444 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 445 446 if (sc->sc_dying) 447 return (0); 448 449 USETW(val, 0); 450 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 451 } 452 453 /* write 1byte to register */ 454 Static int 455 url_csr_write_1(struct url_softc *sc, int reg, int aval) 456 { 457 u_int8_t val = aval; 458 459 DPRINTFN(0x100, 460 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 461 462 if (sc->sc_dying) 463 return (0); 464 465 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 466 } 467 468 /* write 2bytes to register */ 469 Static int 470 url_csr_write_2(struct url_softc *sc, int reg, int aval) 471 { 472 uWord val; 473 474 DPRINTFN(0x100, 475 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 476 477 USETW(val, aval); 478 479 if (sc->sc_dying) 480 return (0); 481 482 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 483 } 484 485 /* write 4bytes to register */ 486 Static int 487 url_csr_write_4(struct url_softc *sc, int reg, int aval) 488 { 489 uDWord val; 490 491 DPRINTFN(0x100, 492 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 493 494 USETDW(val, aval); 495 496 if (sc->sc_dying) 497 return (0); 498 499 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 500 } 501 502 Static int 503 url_init(struct ifnet *ifp) 504 { 505 struct url_softc *sc = ifp->if_softc; 506 struct mii_data *mii = GET_MII(sc); 507 const u_char *eaddr; 508 int i, rc, s; 509 510 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 511 512 if (sc->sc_dying) 513 return (EIO); 514 515 s = splnet(); 516 517 /* Cancel pending I/O and free all TX/RX buffers */ 518 url_stop(ifp, 1); 519 520 eaddr = CLLADDR(ifp->if_sadl); 521 for (i = 0; i < ETHER_ADDR_LEN; i++) 522 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 523 524 /* Init transmission control register */ 525 URL_CLRBIT(sc, URL_TCR, 526 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 527 URL_TCR_IFG1 | URL_TCR_IFG0 | 528 URL_TCR_NOCRC); 529 530 /* Init receive control register */ 531 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 532 if (ifp->if_flags & IFF_BROADCAST) 533 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 534 else 535 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 536 537 /* If we want promiscuous mode, accept all physical frames. */ 538 if (ifp->if_flags & IFF_PROMISC) 539 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 540 else 541 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 542 543 544 /* Initialize transmit ring */ 545 if (url_tx_list_init(sc) == ENOBUFS) { 546 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 547 splx(s); 548 return (EIO); 549 } 550 551 /* Initialize receive ring */ 552 if (url_rx_list_init(sc) == ENOBUFS) { 553 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 554 splx(s); 555 return (EIO); 556 } 557 558 /* Load the multicast filter */ 559 url_setmulti(sc); 560 561 /* Enable RX and TX */ 562 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 563 564 if ((rc = mii_mediachg(mii)) == ENXIO) 565 rc = 0; 566 else if (rc != 0) 567 goto out; 568 569 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 570 if (url_openpipes(sc)) { 571 splx(s); 572 return (EIO); 573 } 574 } 575 576 ifp->if_flags |= IFF_RUNNING; 577 ifp->if_flags &= ~IFF_OACTIVE; 578 579 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 580 581 out: 582 splx(s); 583 return rc; 584 } 585 586 Static void 587 url_reset(struct url_softc *sc) 588 { 589 int i; 590 591 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 592 593 if (sc->sc_dying) 594 return; 595 596 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 597 598 for (i = 0; i < URL_TX_TIMEOUT; i++) { 599 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 600 break; 601 delay(10); /* XXX */ 602 } 603 604 delay(10000); /* XXX */ 605 } 606 607 int 608 url_activate(device_ptr_t self, enum devact act) 609 { 610 struct url_softc *sc = device_private(self); 611 612 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 613 __func__, act)); 614 615 switch (act) { 616 case DVACT_DEACTIVATE: 617 if_deactivate(&sc->sc_ec.ec_if); 618 sc->sc_dying = 1; 619 return 0; 620 default: 621 return EOPNOTSUPP; 622 } 623 } 624 625 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 626 627 628 Static void 629 url_setmulti(struct url_softc *sc) 630 { 631 struct ifnet *ifp; 632 struct ether_multi *enm; 633 struct ether_multistep step; 634 u_int32_t hashes[2] = { 0, 0 }; 635 int h = 0; 636 int mcnt = 0; 637 638 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 639 640 if (sc->sc_dying) 641 return; 642 643 ifp = GET_IFP(sc); 644 645 if (ifp->if_flags & IFF_PROMISC) { 646 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 647 return; 648 } else if (ifp->if_flags & IFF_ALLMULTI) { 649 allmulti: 650 ifp->if_flags |= IFF_ALLMULTI; 651 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 652 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 653 return; 654 } 655 656 /* first, zot all the existing hash bits */ 657 url_csr_write_4(sc, URL_MAR0, 0); 658 url_csr_write_4(sc, URL_MAR4, 0); 659 660 /* now program new ones */ 661 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 662 while (enm != NULL) { 663 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 664 ETHER_ADDR_LEN) != 0) 665 goto allmulti; 666 667 h = url_calchash(enm->enm_addrlo); 668 if (h < 32) 669 hashes[0] |= (1 << h); 670 else 671 hashes[1] |= (1 << (h -32)); 672 mcnt++; 673 ETHER_NEXT_MULTI(step, enm); 674 } 675 676 ifp->if_flags &= ~IFF_ALLMULTI; 677 678 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 679 680 if (mcnt){ 681 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 682 } else { 683 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 684 } 685 url_csr_write_4(sc, URL_MAR0, hashes[0]); 686 url_csr_write_4(sc, URL_MAR4, hashes[1]); 687 } 688 689 Static int 690 url_openpipes(struct url_softc *sc) 691 { 692 struct url_chain *c; 693 usbd_status err; 694 int i; 695 int error = 0; 696 697 if (sc->sc_dying) 698 return (EIO); 699 700 sc->sc_refcnt++; 701 702 /* Open RX pipe */ 703 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 704 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 705 if (err) { 706 printf("%s: open rx pipe failed: %s\n", 707 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 708 error = EIO; 709 goto done; 710 } 711 712 /* Open TX pipe */ 713 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 714 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 715 if (err) { 716 printf("%s: open tx pipe failed: %s\n", 717 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 718 error = EIO; 719 goto done; 720 } 721 722 #if 0 723 /* XXX: interrupt endpoint is not yet supported */ 724 /* Open Interrupt pipe */ 725 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 726 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 727 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 728 url_intr, USBD_DEFAULT_INTERVAL); 729 if (err) { 730 printf("%s: open intr pipe failed: %s\n", 731 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 732 error = EIO; 733 goto done; 734 } 735 #endif 736 737 738 /* Start up the receive pipe. */ 739 for (i = 0; i < URL_RX_LIST_CNT; i++) { 740 c = &sc->sc_cdata.url_rx_chain[i]; 741 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 742 c, c->url_buf, URL_BUFSZ, 743 USBD_SHORT_XFER_OK | USBD_NO_COPY, 744 USBD_NO_TIMEOUT, url_rxeof); 745 (void)usbd_transfer(c->url_xfer); 746 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 747 __func__)); 748 } 749 750 done: 751 if (--sc->sc_refcnt < 0) 752 usb_detach_wakeup(USBDEV(sc->sc_dev)); 753 754 return (error); 755 } 756 757 Static int 758 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 759 { 760 struct mbuf *m_new = NULL; 761 762 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 763 764 if (m == NULL) { 765 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 766 if (m_new == NULL) { 767 printf("%s: no memory for rx list " 768 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 769 return (ENOBUFS); 770 } 771 MCLGET(m_new, M_DONTWAIT); 772 if (!(m_new->m_flags & M_EXT)) { 773 printf("%s: no memory for rx list " 774 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 775 m_freem(m_new); 776 return (ENOBUFS); 777 } 778 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 779 } else { 780 m_new = m; 781 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 782 m_new->m_data = m_new->m_ext.ext_buf; 783 } 784 785 m_adj(m_new, ETHER_ALIGN); 786 c->url_mbuf = m_new; 787 788 return (0); 789 } 790 791 792 Static int 793 url_rx_list_init(struct url_softc *sc) 794 { 795 struct url_cdata *cd; 796 struct url_chain *c; 797 int i; 798 799 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 800 801 cd = &sc->sc_cdata; 802 for (i = 0; i < URL_RX_LIST_CNT; i++) { 803 c = &cd->url_rx_chain[i]; 804 c->url_sc = sc; 805 c->url_idx = i; 806 if (url_newbuf(sc, c, NULL) == ENOBUFS) 807 return (ENOBUFS); 808 if (c->url_xfer == NULL) { 809 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 810 if (c->url_xfer == NULL) 811 return (ENOBUFS); 812 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 813 if (c->url_buf == NULL) { 814 usbd_free_xfer(c->url_xfer); 815 return (ENOBUFS); 816 } 817 } 818 } 819 820 return (0); 821 } 822 823 Static int 824 url_tx_list_init(struct url_softc *sc) 825 { 826 struct url_cdata *cd; 827 struct url_chain *c; 828 int i; 829 830 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 831 832 cd = &sc->sc_cdata; 833 for (i = 0; i < URL_TX_LIST_CNT; i++) { 834 c = &cd->url_tx_chain[i]; 835 c->url_sc = sc; 836 c->url_idx = i; 837 c->url_mbuf = NULL; 838 if (c->url_xfer == NULL) { 839 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 840 if (c->url_xfer == NULL) 841 return (ENOBUFS); 842 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 843 if (c->url_buf == NULL) { 844 usbd_free_xfer(c->url_xfer); 845 return (ENOBUFS); 846 } 847 } 848 } 849 850 return (0); 851 } 852 853 Static void 854 url_start(struct ifnet *ifp) 855 { 856 struct url_softc *sc = ifp->if_softc; 857 struct mbuf *m_head = NULL; 858 859 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 860 __func__, sc->sc_link)); 861 862 if (sc->sc_dying) 863 return; 864 865 if (!sc->sc_link) 866 return; 867 868 if (ifp->if_flags & IFF_OACTIVE) 869 return; 870 871 IFQ_POLL(&ifp->if_snd, m_head); 872 if (m_head == NULL) 873 return; 874 875 if (url_send(sc, m_head, 0)) { 876 ifp->if_flags |= IFF_OACTIVE; 877 return; 878 } 879 880 IFQ_DEQUEUE(&ifp->if_snd, m_head); 881 882 if (ifp->if_bpf) 883 bpf_ops->bpf_mtap(ifp->if_bpf, m_head); 884 885 ifp->if_flags |= IFF_OACTIVE; 886 887 /* Set a timeout in case the chip goes out to lunch. */ 888 ifp->if_timer = 5; 889 } 890 891 Static int 892 url_send(struct url_softc *sc, struct mbuf *m, int idx) 893 { 894 int total_len; 895 struct url_chain *c; 896 usbd_status err; 897 898 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 899 900 c = &sc->sc_cdata.url_tx_chain[idx]; 901 902 /* Copy the mbuf data into a contiguous buffer */ 903 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 904 c->url_mbuf = m; 905 total_len = m->m_pkthdr.len; 906 907 if (total_len < URL_MIN_FRAME_LEN) { 908 memset(c->url_buf + total_len, 0, 909 URL_MIN_FRAME_LEN - total_len); 910 total_len = URL_MIN_FRAME_LEN; 911 } 912 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 913 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 914 URL_TX_TIMEOUT, url_txeof); 915 916 /* Transmit */ 917 sc->sc_refcnt++; 918 err = usbd_transfer(c->url_xfer); 919 if (--sc->sc_refcnt < 0) 920 usb_detach_wakeup(USBDEV(sc->sc_dev)); 921 if (err != USBD_IN_PROGRESS) { 922 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 923 usbd_errstr(err)); 924 /* Stop the interface */ 925 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 926 USB_TASKQ_DRIVER); 927 return (EIO); 928 } 929 930 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 931 __func__, total_len)); 932 933 sc->sc_cdata.url_tx_cnt++; 934 935 return (0); 936 } 937 938 Static void 939 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 940 usbd_status status) 941 { 942 struct url_chain *c = priv; 943 struct url_softc *sc = c->url_sc; 944 struct ifnet *ifp = GET_IFP(sc); 945 int s; 946 947 if (sc->sc_dying) 948 return; 949 950 s = splnet(); 951 952 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 953 954 ifp->if_timer = 0; 955 ifp->if_flags &= ~IFF_OACTIVE; 956 957 if (status != USBD_NORMAL_COMPLETION) { 958 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 959 splx(s); 960 return; 961 } 962 ifp->if_oerrors++; 963 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 964 usbd_errstr(status)); 965 if (status == USBD_STALLED) { 966 sc->sc_refcnt++; 967 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 968 if (--sc->sc_refcnt < 0) 969 usb_detach_wakeup(USBDEV(sc->sc_dev)); 970 } 971 splx(s); 972 return; 973 } 974 975 ifp->if_opackets++; 976 977 m_freem(c->url_mbuf); 978 c->url_mbuf = NULL; 979 980 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 981 url_start(ifp); 982 983 splx(s); 984 } 985 986 Static void 987 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 988 { 989 struct url_chain *c = priv; 990 struct url_softc *sc = c->url_sc; 991 struct ifnet *ifp = GET_IFP(sc); 992 struct mbuf *m; 993 u_int32_t total_len; 994 url_rxhdr_t rxhdr; 995 int s; 996 997 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 998 999 if (sc->sc_dying) 1000 return; 1001 1002 if (status != USBD_NORMAL_COMPLETION) { 1003 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1004 return; 1005 sc->sc_rx_errs++; 1006 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1007 printf("%s: %u usb errors on rx: %s\n", 1008 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 1009 usbd_errstr(status)); 1010 sc->sc_rx_errs = 0; 1011 } 1012 if (status == USBD_STALLED) { 1013 sc->sc_refcnt++; 1014 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1015 if (--sc->sc_refcnt < 0) 1016 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1017 } 1018 goto done; 1019 } 1020 1021 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1022 1023 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1024 1025 if (total_len <= ETHER_CRC_LEN) { 1026 ifp->if_ierrors++; 1027 goto done; 1028 } 1029 1030 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1031 1032 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1033 USBDEVNAME(sc->sc_dev), 1034 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1035 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1036 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1037 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1038 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1039 1040 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1041 ifp->if_ierrors++; 1042 goto done; 1043 } 1044 1045 ifp->if_ipackets++; 1046 total_len -= ETHER_CRC_LEN; 1047 1048 m = c->url_mbuf; 1049 m->m_pkthdr.len = m->m_len = total_len; 1050 m->m_pkthdr.rcvif = ifp; 1051 1052 s = splnet(); 1053 1054 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1055 ifp->if_ierrors++; 1056 goto done1; 1057 } 1058 1059 if (ifp->if_bpf) 1060 bpf_ops->bpf_mtap(ifp->if_bpf, m); 1061 1062 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1063 __func__, m->m_len)); 1064 IF_INPUT(ifp, m); 1065 1066 done1: 1067 splx(s); 1068 1069 done: 1070 /* Setup new transfer */ 1071 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1072 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1073 USBD_NO_TIMEOUT, url_rxeof); 1074 sc->sc_refcnt++; 1075 usbd_transfer(xfer); 1076 if (--sc->sc_refcnt < 0) 1077 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1078 1079 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1080 } 1081 1082 #if 0 1083 Static void url_intr(void) 1084 { 1085 } 1086 #endif 1087 1088 Static int 1089 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1090 { 1091 struct url_softc *sc = ifp->if_softc; 1092 int s, error = 0; 1093 1094 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1095 1096 if (sc->sc_dying) 1097 return (EIO); 1098 1099 s = splnet(); 1100 1101 error = ether_ioctl(ifp, cmd, data); 1102 if (error == ENETRESET) { 1103 if (ifp->if_flags & IFF_RUNNING) 1104 url_setmulti(sc); 1105 error = 0; 1106 } 1107 1108 splx(s); 1109 1110 return (error); 1111 } 1112 1113 Static void 1114 url_watchdog(struct ifnet *ifp) 1115 { 1116 struct url_softc *sc = ifp->if_softc; 1117 struct url_chain *c; 1118 usbd_status stat; 1119 int s; 1120 1121 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1122 1123 ifp->if_oerrors++; 1124 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1125 1126 s = splusb(); 1127 c = &sc->sc_cdata.url_tx_chain[0]; 1128 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1129 url_txeof(c->url_xfer, c, stat); 1130 1131 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1132 url_start(ifp); 1133 splx(s); 1134 } 1135 1136 Static void 1137 url_stop_task(struct url_softc *sc) 1138 { 1139 url_stop(GET_IFP(sc), 1); 1140 } 1141 1142 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1143 Static void 1144 url_stop(struct ifnet *ifp, int disable) 1145 { 1146 struct url_softc *sc = ifp->if_softc; 1147 usbd_status err; 1148 int i; 1149 1150 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1151 1152 ifp->if_timer = 0; 1153 1154 url_reset(sc); 1155 1156 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1157 1158 /* Stop transfers */ 1159 /* RX endpoint */ 1160 if (sc->sc_pipe_rx != NULL) { 1161 err = usbd_abort_pipe(sc->sc_pipe_rx); 1162 if (err) 1163 printf("%s: abort rx pipe failed: %s\n", 1164 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1165 err = usbd_close_pipe(sc->sc_pipe_rx); 1166 if (err) 1167 printf("%s: close rx pipe failed: %s\n", 1168 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1169 sc->sc_pipe_rx = NULL; 1170 } 1171 1172 /* TX endpoint */ 1173 if (sc->sc_pipe_tx != NULL) { 1174 err = usbd_abort_pipe(sc->sc_pipe_tx); 1175 if (err) 1176 printf("%s: abort tx pipe failed: %s\n", 1177 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1178 err = usbd_close_pipe(sc->sc_pipe_tx); 1179 if (err) 1180 printf("%s: close tx pipe failed: %s\n", 1181 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1182 sc->sc_pipe_tx = NULL; 1183 } 1184 1185 #if 0 1186 /* XXX: Interrupt endpoint is not yet supported!! */ 1187 /* Interrupt endpoint */ 1188 if (sc->sc_pipe_intr != NULL) { 1189 err = usbd_abort_pipe(sc->sc_pipe_intr); 1190 if (err) 1191 printf("%s: abort intr pipe failed: %s\n", 1192 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1193 err = usbd_close_pipe(sc->sc_pipe_intr); 1194 if (err) 1195 printf("%s: close intr pipe failed: %s\n", 1196 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1197 sc->sc_pipe_intr = NULL; 1198 } 1199 #endif 1200 1201 /* Free RX resources. */ 1202 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1203 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1204 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1205 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1206 } 1207 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1208 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1209 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1210 } 1211 } 1212 1213 /* Free TX resources. */ 1214 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1215 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1216 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1217 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1218 } 1219 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1220 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1221 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1222 } 1223 } 1224 1225 sc->sc_link = 0; 1226 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1227 } 1228 1229 /* Set media options */ 1230 Static int 1231 url_ifmedia_change(struct ifnet *ifp) 1232 { 1233 struct url_softc *sc = ifp->if_softc; 1234 struct mii_data *mii = GET_MII(sc); 1235 int rc; 1236 1237 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1238 1239 if (sc->sc_dying) 1240 return (0); 1241 1242 sc->sc_link = 0; 1243 if ((rc = mii_mediachg(mii)) == ENXIO) 1244 return 0; 1245 return rc; 1246 } 1247 1248 /* Report current media status. */ 1249 Static void 1250 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1251 { 1252 struct url_softc *sc = ifp->if_softc; 1253 1254 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1255 1256 if (sc->sc_dying) 1257 return; 1258 1259 ether_mediastatus(ifp, ifmr); 1260 } 1261 1262 Static void 1263 url_tick(void *xsc) 1264 { 1265 struct url_softc *sc = xsc; 1266 1267 if (sc == NULL) 1268 return; 1269 1270 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1271 __func__)); 1272 1273 if (sc->sc_dying) 1274 return; 1275 1276 /* Perform periodic stuff in process context */ 1277 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1278 } 1279 1280 Static void 1281 url_tick_task(void *xsc) 1282 { 1283 struct url_softc *sc = xsc; 1284 struct ifnet *ifp; 1285 struct mii_data *mii; 1286 int s; 1287 1288 if (sc == NULL) 1289 return; 1290 1291 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1292 __func__)); 1293 1294 if (sc->sc_dying) 1295 return; 1296 1297 ifp = GET_IFP(sc); 1298 mii = GET_MII(sc); 1299 1300 if (mii == NULL) 1301 return; 1302 1303 s = splnet(); 1304 1305 mii_tick(mii); 1306 if (!sc->sc_link) { 1307 mii_pollstat(mii); 1308 if (mii->mii_media_status & IFM_ACTIVE && 1309 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1310 DPRINTF(("%s: %s: got link\n", 1311 USBDEVNAME(sc->sc_dev), __func__)); 1312 sc->sc_link++; 1313 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1314 url_start(ifp); 1315 } 1316 } 1317 1318 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1319 1320 splx(s); 1321 } 1322 1323 /* Get exclusive access to the MII registers */ 1324 Static void 1325 url_lock_mii(struct url_softc *sc) 1326 { 1327 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1328 __func__)); 1329 1330 sc->sc_refcnt++; 1331 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1332 } 1333 1334 Static void 1335 url_unlock_mii(struct url_softc *sc) 1336 { 1337 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1338 __func__)); 1339 1340 rw_exit(&sc->sc_mii_rwlock); 1341 if (--sc->sc_refcnt < 0) 1342 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1343 } 1344 1345 Static int 1346 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1347 { 1348 struct url_softc *sc; 1349 u_int16_t val; 1350 1351 if (dev == NULL) 1352 return (0); 1353 1354 sc = USBGETSOFTC(dev); 1355 1356 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1357 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1358 1359 if (sc->sc_dying) { 1360 #ifdef DIAGNOSTIC 1361 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1362 __func__); 1363 #endif 1364 return (0); 1365 } 1366 1367 /* XXX: one PHY only for the RTL8150 internal PHY */ 1368 if (phy != 0) { 1369 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1370 USBDEVNAME(sc->sc_dev), __func__, phy)); 1371 return (0); 1372 } 1373 1374 url_lock_mii(sc); 1375 1376 switch (reg) { 1377 case MII_BMCR: /* Control Register */ 1378 reg = URL_BMCR; 1379 break; 1380 case MII_BMSR: /* Status Register */ 1381 reg = URL_BMSR; 1382 break; 1383 case MII_PHYIDR1: 1384 case MII_PHYIDR2: 1385 val = 0; 1386 goto R_DONE; 1387 break; 1388 case MII_ANAR: /* Autonegotiation advertisement */ 1389 reg = URL_ANAR; 1390 break; 1391 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1392 reg = URL_ANLP; 1393 break; 1394 case URLPHY_MSR: /* Media Status Register */ 1395 reg = URL_MSR; 1396 break; 1397 default: 1398 printf("%s: %s: bad register %04x\n", 1399 USBDEVNAME(sc->sc_dev), __func__, reg); 1400 val = 0; 1401 goto R_DONE; 1402 break; 1403 } 1404 1405 if (reg == URL_MSR) 1406 val = url_csr_read_1(sc, reg); 1407 else 1408 val = url_csr_read_2(sc, reg); 1409 1410 R_DONE: 1411 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1412 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1413 1414 url_unlock_mii(sc); 1415 return (val); 1416 } 1417 1418 Static void 1419 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1420 { 1421 struct url_softc *sc; 1422 1423 if (dev == NULL) 1424 return; 1425 1426 sc = USBGETSOFTC(dev); 1427 1428 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1429 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1430 1431 if (sc->sc_dying) { 1432 #ifdef DIAGNOSTIC 1433 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1434 __func__); 1435 #endif 1436 return; 1437 } 1438 1439 /* XXX: one PHY only for the RTL8150 internal PHY */ 1440 if (phy != 0) { 1441 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1442 USBDEVNAME(sc->sc_dev), __func__, phy)); 1443 return; 1444 } 1445 1446 url_lock_mii(sc); 1447 1448 switch (reg) { 1449 case MII_BMCR: /* Control Register */ 1450 reg = URL_BMCR; 1451 break; 1452 case MII_BMSR: /* Status Register */ 1453 reg = URL_BMSR; 1454 break; 1455 case MII_PHYIDR1: 1456 case MII_PHYIDR2: 1457 goto W_DONE; 1458 break; 1459 case MII_ANAR: /* Autonegotiation advertisement */ 1460 reg = URL_ANAR; 1461 break; 1462 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1463 reg = URL_ANLP; 1464 break; 1465 case URLPHY_MSR: /* Media Status Register */ 1466 reg = URL_MSR; 1467 break; 1468 default: 1469 printf("%s: %s: bad register %04x\n", 1470 USBDEVNAME(sc->sc_dev), __func__, reg); 1471 goto W_DONE; 1472 break; 1473 } 1474 1475 if (reg == URL_MSR) 1476 url_csr_write_1(sc, reg, data); 1477 else 1478 url_csr_write_2(sc, reg, data); 1479 W_DONE: 1480 1481 url_unlock_mii(sc); 1482 return; 1483 } 1484 1485 Static void 1486 url_miibus_statchg(device_ptr_t dev) 1487 { 1488 #ifdef URL_DEBUG 1489 struct url_softc *sc; 1490 1491 if (dev == NULL) 1492 return; 1493 1494 sc = USBGETSOFTC(dev); 1495 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1496 #endif 1497 /* Nothing to do */ 1498 } 1499 1500 #if 0 1501 /* 1502 * external PHYs support, but not test. 1503 */ 1504 Static int 1505 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1506 { 1507 struct url_softc *sc = USBGETSOFTC(dev); 1508 u_int16_t val; 1509 1510 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1511 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1512 1513 if (sc->sc_dying) { 1514 #ifdef DIAGNOSTIC 1515 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1516 __func__); 1517 #endif 1518 return (0); 1519 } 1520 1521 url_lock_mii(sc); 1522 1523 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1524 /* 1525 * RTL8150L will initiate a MII management data transaction 1526 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1527 * this bit is auto cleared by TRL8150L. 1528 */ 1529 url_csr_write_1(sc, URL_PHYCNT, 1530 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1531 for (i = 0; i < URL_TIMEOUT; i++) { 1532 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1533 break; 1534 } 1535 if (i == URL_TIMEOUT) { 1536 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1537 } 1538 1539 val = url_csr_read_2(sc, URL_PHYDAT); 1540 1541 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1542 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1543 1544 url_unlock_mii(sc); 1545 return (val); 1546 } 1547 1548 Static void 1549 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1550 { 1551 struct url_softc *sc = USBGETSOFTC(dev); 1552 1553 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1554 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1555 1556 if (sc->sc_dying) { 1557 #ifdef DIAGNOSTIC 1558 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1559 __func__); 1560 #endif 1561 return; 1562 } 1563 1564 url_lock_mii(sc); 1565 1566 url_csr_write_2(sc, URL_PHYDAT, data); 1567 url_csr_write_1(sc, URL_PHYADD, phy); 1568 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1569 1570 for (i=0; i < URL_TIMEOUT; i++) { 1571 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1572 break; 1573 } 1574 1575 if (i == URL_TIMEOUT) { 1576 printf("%s: MII write timed out\n", 1577 USBDEVNAME(sc->sc_dev)); 1578 } 1579 1580 url_unlock_mii(sc); 1581 return; 1582 } 1583 #endif 1584 1585
Indexes created Wed Oct 01 19:09:53 GMT 2025