if_url.c revision 1.38.12.1
1 /* $NetBSD: if_url.c,v 1.38.12.1 2012/02/18 07:35:06 mrg 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 1.38.12.1 2012/02/18 07:35:06 mrg Exp $"); 47 48 #include "opt_inet.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/rwlock.h> 53 #include <sys/mbuf.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 57 #include <sys/device.h> 58 #include <sys/rnd.h> 59 60 #include <net/if.h> 61 #include <net/if_arp.h> 62 #include <net/if_dl.h> 63 #include <net/if_media.h> 64 65 #include <net/bpf.h> 66 67 #include <net/if_ether.h> 68 #ifdef INET 69 #include <netinet/in.h> 70 #include <netinet/if_inarp.h> 71 #endif 72 73 #include <dev/mii/mii.h> 74 #include <dev/mii/miivar.h> 75 #include <dev/mii/urlphyreg.h> 76 77 #include <dev/usb/usb.h> 78 #include <dev/usb/usbdi.h> 79 #include <dev/usb/usbdi_util.h> 80 #include <dev/usb/usbdevs.h> 81 82 #include <dev/usb/if_urlreg.h> 83 84 85 /* Function declarations */ 86 int url_match(device_t, cfdata_t, void *); 87 void url_attach(device_t, device_t, void *); 88 int url_detach(device_t, int); 89 int url_activate(device_t, enum devact); 90 extern struct cfdriver url_cd; 91 CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, url_detach, url_activate); 92 93 Static int url_openpipes(struct url_softc *); 94 Static int url_rx_list_init(struct url_softc *); 95 Static int url_tx_list_init(struct url_softc *); 96 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 97 Static void url_start(struct ifnet *); 98 Static int url_send(struct url_softc *, struct mbuf *, int); 99 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 100 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 101 Static void url_tick(void *); 102 Static void url_tick_task(void *); 103 Static int url_ioctl(struct ifnet *, u_long, void *); 104 Static void url_stop_task(struct url_softc *); 105 Static void url_stop(struct ifnet *, int); 106 Static void url_watchdog(struct ifnet *); 107 Static int url_ifmedia_change(struct ifnet *); 108 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 109 Static void url_lock_mii(struct url_softc *); 110 Static void url_unlock_mii(struct url_softc *); 111 Static int url_int_miibus_readreg(device_t, int, int); 112 Static void url_int_miibus_writereg(device_t, int, int, int); 113 Static void url_miibus_statchg(device_t); 114 Static int url_init(struct ifnet *); 115 Static void url_setmulti(struct url_softc *); 116 Static void url_reset(struct url_softc *); 117 118 Static int url_csr_read_1(struct url_softc *, int); 119 Static int url_csr_read_2(struct url_softc *, int); 120 Static int url_csr_write_1(struct url_softc *, int, int); 121 Static int url_csr_write_2(struct url_softc *, int, int); 122 Static int url_csr_write_4(struct url_softc *, int, int); 123 Static int url_mem(struct url_softc *, int, int, void *, int); 124 125 /* Macros */ 126 #ifdef URL_DEBUG 127 #define DPRINTF(x) if (urldebug) printf x 128 #define DPRINTFN(n,x) if (urldebug >= (n)) printf x 129 int urldebug = 0; 130 #else 131 #define DPRINTF(x) 132 #define DPRINTFN(n,x) 133 #endif 134 135 #define URL_SETBIT(sc, reg, x) \ 136 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 137 138 #define URL_SETBIT2(sc, reg, x) \ 139 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 140 141 #define URL_CLRBIT(sc, reg, x) \ 142 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 143 144 #define URL_CLRBIT2(sc, reg, x) \ 145 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 146 147 static const struct url_type { 148 struct usb_devno url_dev; 149 u_int16_t url_flags; 150 #define URL_EXT_PHY 0x0001 151 } url_devs [] = { 152 /* MELCO LUA-KTX */ 153 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 154 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 155 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 156 /* Longshine LCS-8138TX */ 157 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 158 /* Micronet SP128AR */ 159 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 160 /* OQO model 01 */ 161 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 162 }; 163 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 164 165 166 /* Probe */ 167 int 168 url_match(device_t parent, cfdata_t match, void *aux) 169 { 170 struct usb_attach_arg *uaa = aux; 171 172 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 173 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 174 } 175 /* Attach */ 176 void 177 url_attach(device_t parent, device_t self, void *aux) 178 { 179 struct url_softc *sc = device_private(self); 180 struct usb_attach_arg *uaa = aux; 181 usbd_device_handle dev = uaa->device; 182 usbd_interface_handle iface; 183 usbd_status err; 184 usb_interface_descriptor_t *id; 185 usb_endpoint_descriptor_t *ed; 186 char *devinfop; 187 struct ifnet *ifp; 188 struct mii_data *mii; 189 u_char eaddr[ETHER_ADDR_LEN]; 190 int i, s; 191 192 sc->sc_dev = self; 193 194 aprint_naive("\n"); 195 aprint_normal("\n"); 196 197 devinfop = usbd_devinfo_alloc(dev, 0); 198 aprint_normal_dev(self, "%s\n", devinfop); 199 usbd_devinfo_free(devinfop); 200 201 /* Move the device into the configured state. */ 202 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 203 if (err) { 204 aprint_error_dev(self, "setting config no failed\n"); 205 goto bad; 206 } 207 208 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 209 rw_init(&sc->sc_mii_rwlock); 210 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 211 212 /* get control interface */ 213 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 214 if (err) { 215 aprint_error_dev(self, "failed to get interface, err=%s\n", 216 usbd_errstr(err)); 217 goto bad; 218 } 219 220 sc->sc_udev = dev; 221 sc->sc_ctl_iface = iface; 222 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 223 224 /* get interface descriptor */ 225 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 226 227 /* find endpoints */ 228 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 229 for (i = 0; i < id->bNumEndpoints; i++) { 230 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 231 if (ed == NULL) { 232 aprint_error_dev(self, 233 "couldn't get endpoint %d\n", i); 234 goto bad; 235 } 236 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 237 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 238 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 239 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 240 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 241 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 242 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 244 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 245 } 246 247 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 248 sc->sc_intrin_no == -1) { 249 aprint_error_dev(self, "missing endpoint\n"); 250 goto bad; 251 } 252 253 s = splnet(); 254 255 /* reset the adapter */ 256 url_reset(sc); 257 258 /* Get Ethernet Address */ 259 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 260 ETHER_ADDR_LEN); 261 if (err) { 262 aprint_error_dev(self, "read MAC address failed\n"); 263 splx(s); 264 goto bad; 265 } 266 267 /* Print Ethernet Address */ 268 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 269 270 /* initialize interface information */ 271 ifp = GET_IFP(sc); 272 ifp->if_softc = sc; 273 ifp->if_mtu = ETHERMTU; 274 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 275 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 276 ifp->if_start = url_start; 277 ifp->if_ioctl = url_ioctl; 278 ifp->if_watchdog = url_watchdog; 279 ifp->if_init = url_init; 280 ifp->if_stop = url_stop; 281 282 IFQ_SET_READY(&ifp->if_snd); 283 284 /* 285 * Do ifmedia setup. 286 */ 287 mii = &sc->sc_mii; 288 mii->mii_ifp = ifp; 289 mii->mii_readreg = url_int_miibus_readreg; 290 mii->mii_writereg = url_int_miibus_writereg; 291 #if 0 292 if (sc->sc_flags & URL_EXT_PHY) { 293 mii->mii_readreg = url_ext_miibus_readreg; 294 mii->mii_writereg = url_ext_miibus_writereg; 295 } 296 #endif 297 mii->mii_statchg = url_miibus_statchg; 298 mii->mii_flags = MIIF_AUTOTSLEEP; 299 sc->sc_ec.ec_mii = mii; 300 ifmedia_init(&mii->mii_media, 0, 301 url_ifmedia_change, url_ifmedia_status); 302 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 303 if (LIST_FIRST(&mii->mii_phys) == NULL) { 304 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 305 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 306 } else 307 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 308 309 /* attach the interface */ 310 if_attach(ifp); 311 ether_ifattach(ifp, eaddr); 312 313 rnd_attach_source(&sc->rnd_source, device_xname(self), 314 RND_TYPE_NET, 0); 315 316 callout_init(&sc->sc_stat_ch, 0); 317 sc->sc_attached = 1; 318 splx(s); 319 320 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 321 322 return; 323 324 bad: 325 sc->sc_dying = 1; 326 return; 327 } 328 329 /* detach */ 330 int 331 url_detach(device_t self, int flags) 332 { 333 struct url_softc *sc = device_private(self); 334 struct ifnet *ifp = GET_IFP(sc); 335 int s; 336 337 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 338 339 /* Detached before attached finished */ 340 if (!sc->sc_attached) 341 return (0); 342 343 callout_stop(&sc->sc_stat_ch); 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(sc->sc_dev); 354 } 355 356 if (ifp->if_flags & IFF_RUNNING) 357 url_stop(GET_IFP(sc), 1); 358 359 rnd_detach_source(&sc->rnd_source); 360 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 361 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 362 ether_ifdetach(ifp); 363 if_detach(ifp); 364 365 #ifdef DIAGNOSTIC 366 if (sc->sc_pipe_tx != NULL) 367 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 368 if (sc->sc_pipe_rx != NULL) 369 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 370 if (sc->sc_pipe_intr != NULL) 371 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 372 #endif 373 374 sc->sc_attached = 0; 375 376 splx(s); 377 378 rw_destroy(&sc->sc_mii_rwlock); 379 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 380 sc->sc_dev); 381 382 return (0); 383 } 384 385 /* read/write memory */ 386 Static int 387 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 388 { 389 usb_device_request_t req; 390 usbd_status err; 391 392 if (sc == NULL) 393 return (0); 394 395 DPRINTFN(0x200, 396 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 397 398 if (sc->sc_dying) 399 return (0); 400 401 if (cmd == URL_CMD_READMEM) 402 req.bmRequestType = UT_READ_VENDOR_DEVICE; 403 else 404 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 405 req.bRequest = URL_REQ_MEM; 406 USETW(req.wValue, offset); 407 USETW(req.wIndex, 0x0000); 408 USETW(req.wLength, len); 409 410 sc->sc_refcnt++; 411 err = usbd_do_request(sc->sc_udev, &req, buf); 412 if (--sc->sc_refcnt < 0) 413 usb_detach_wakeup(sc->sc_dev); 414 if (err) { 415 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 416 device_xname(sc->sc_dev), 417 cmd == URL_CMD_READMEM ? "read" : "write", 418 offset, err)); 419 } 420 421 return (err); 422 } 423 424 /* read 1byte from register */ 425 Static int 426 url_csr_read_1(struct url_softc *sc, int reg) 427 { 428 u_int8_t val = 0; 429 430 DPRINTFN(0x100, 431 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 432 433 if (sc->sc_dying) 434 return (0); 435 436 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 437 } 438 439 /* read 2bytes from register */ 440 Static int 441 url_csr_read_2(struct url_softc *sc, int reg) 442 { 443 uWord val; 444 445 DPRINTFN(0x100, 446 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 447 448 if (sc->sc_dying) 449 return (0); 450 451 USETW(val, 0); 452 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 453 } 454 455 /* write 1byte to register */ 456 Static int 457 url_csr_write_1(struct url_softc *sc, int reg, int aval) 458 { 459 u_int8_t val = aval; 460 461 DPRINTFN(0x100, 462 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 463 464 if (sc->sc_dying) 465 return (0); 466 467 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 468 } 469 470 /* write 2bytes to register */ 471 Static int 472 url_csr_write_2(struct url_softc *sc, int reg, int aval) 473 { 474 uWord val; 475 476 DPRINTFN(0x100, 477 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 478 479 USETW(val, aval); 480 481 if (sc->sc_dying) 482 return (0); 483 484 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 485 } 486 487 /* write 4bytes to register */ 488 Static int 489 url_csr_write_4(struct url_softc *sc, int reg, int aval) 490 { 491 uDWord val; 492 493 DPRINTFN(0x100, 494 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 495 496 USETDW(val, aval); 497 498 if (sc->sc_dying) 499 return (0); 500 501 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 502 } 503 504 Static int 505 url_init(struct ifnet *ifp) 506 { 507 struct url_softc *sc = ifp->if_softc; 508 struct mii_data *mii = GET_MII(sc); 509 const u_char *eaddr; 510 int i, rc, s; 511 512 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 513 514 if (sc->sc_dying) 515 return (EIO); 516 517 s = splnet(); 518 519 /* Cancel pending I/O and free all TX/RX buffers */ 520 url_stop(ifp, 1); 521 522 eaddr = CLLADDR(ifp->if_sadl); 523 for (i = 0; i < ETHER_ADDR_LEN; i++) 524 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 525 526 /* Init transmission control register */ 527 URL_CLRBIT(sc, URL_TCR, 528 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 529 URL_TCR_IFG1 | URL_TCR_IFG0 | 530 URL_TCR_NOCRC); 531 532 /* Init receive control register */ 533 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 534 if (ifp->if_flags & IFF_BROADCAST) 535 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 536 else 537 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 538 539 /* If we want promiscuous mode, accept all physical frames. */ 540 if (ifp->if_flags & IFF_PROMISC) 541 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 542 else 543 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 544 545 546 /* Initialize transmit ring */ 547 if (url_tx_list_init(sc) == ENOBUFS) { 548 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 549 splx(s); 550 return (EIO); 551 } 552 553 /* Initialize receive ring */ 554 if (url_rx_list_init(sc) == ENOBUFS) { 555 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 556 splx(s); 557 return (EIO); 558 } 559 560 /* Load the multicast filter */ 561 url_setmulti(sc); 562 563 /* Enable RX and TX */ 564 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 565 566 if ((rc = mii_mediachg(mii)) == ENXIO) 567 rc = 0; 568 else if (rc != 0) 569 goto out; 570 571 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 572 if (url_openpipes(sc)) { 573 splx(s); 574 return (EIO); 575 } 576 } 577 578 ifp->if_flags |= IFF_RUNNING; 579 ifp->if_flags &= ~IFF_OACTIVE; 580 581 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 582 583 out: 584 splx(s); 585 return rc; 586 } 587 588 Static void 589 url_reset(struct url_softc *sc) 590 { 591 int i; 592 593 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 594 595 if (sc->sc_dying) 596 return; 597 598 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 599 600 for (i = 0; i < URL_TX_TIMEOUT; i++) { 601 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 602 break; 603 delay(10); /* XXX */ 604 } 605 606 delay(10000); /* XXX */ 607 } 608 609 int 610 url_activate(device_t self, enum devact act) 611 { 612 struct url_softc *sc = device_private(self); 613 614 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 615 __func__, act)); 616 617 switch (act) { 618 case DVACT_DEACTIVATE: 619 if_deactivate(&sc->sc_ec.ec_if); 620 sc->sc_dying = 1; 621 return 0; 622 default: 623 return EOPNOTSUPP; 624 } 625 } 626 627 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 628 629 630 Static void 631 url_setmulti(struct url_softc *sc) 632 { 633 struct ifnet *ifp; 634 struct ether_multi *enm; 635 struct ether_multistep step; 636 u_int32_t hashes[2] = { 0, 0 }; 637 int h = 0; 638 int mcnt = 0; 639 640 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 641 642 if (sc->sc_dying) 643 return; 644 645 ifp = GET_IFP(sc); 646 647 if (ifp->if_flags & IFF_PROMISC) { 648 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 649 return; 650 } else if (ifp->if_flags & IFF_ALLMULTI) { 651 allmulti: 652 ifp->if_flags |= IFF_ALLMULTI; 653 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 654 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 655 return; 656 } 657 658 /* first, zot all the existing hash bits */ 659 url_csr_write_4(sc, URL_MAR0, 0); 660 url_csr_write_4(sc, URL_MAR4, 0); 661 662 /* now program new ones */ 663 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 664 while (enm != NULL) { 665 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 666 ETHER_ADDR_LEN) != 0) 667 goto allmulti; 668 669 h = url_calchash(enm->enm_addrlo); 670 if (h < 32) 671 hashes[0] |= (1 << h); 672 else 673 hashes[1] |= (1 << (h -32)); 674 mcnt++; 675 ETHER_NEXT_MULTI(step, enm); 676 } 677 678 ifp->if_flags &= ~IFF_ALLMULTI; 679 680 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 681 682 if (mcnt){ 683 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 684 } else { 685 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 686 } 687 url_csr_write_4(sc, URL_MAR0, hashes[0]); 688 url_csr_write_4(sc, URL_MAR4, hashes[1]); 689 } 690 691 Static int 692 url_openpipes(struct url_softc *sc) 693 { 694 struct url_chain *c; 695 usbd_status err; 696 int i; 697 int error = 0; 698 699 if (sc->sc_dying) 700 return (EIO); 701 702 sc->sc_refcnt++; 703 704 /* Open RX pipe */ 705 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 706 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 707 if (err) { 708 printf("%s: open rx pipe failed: %s\n", 709 device_xname(sc->sc_dev), usbd_errstr(err)); 710 error = EIO; 711 goto done; 712 } 713 714 /* Open TX pipe */ 715 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 716 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 717 if (err) { 718 printf("%s: open tx pipe failed: %s\n", 719 device_xname(sc->sc_dev), usbd_errstr(err)); 720 error = EIO; 721 goto done; 722 } 723 724 #if 0 725 /* XXX: interrupt endpoint is not yet supported */ 726 /* Open Interrupt pipe */ 727 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 728 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 729 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 730 url_intr, USBD_DEFAULT_INTERVAL); 731 if (err) { 732 printf("%s: open intr pipe failed: %s\n", 733 device_xname(sc->sc_dev), usbd_errstr(err)); 734 error = EIO; 735 goto done; 736 } 737 #endif 738 739 740 /* Start up the receive pipe. */ 741 for (i = 0; i < URL_RX_LIST_CNT; i++) { 742 c = &sc->sc_cdata.url_rx_chain[i]; 743 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 744 c, c->url_buf, URL_BUFSZ, 745 USBD_SHORT_XFER_OK | USBD_NO_COPY, 746 USBD_NO_TIMEOUT, url_rxeof); 747 (void)usbd_transfer(c->url_xfer); 748 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 749 __func__)); 750 } 751 752 done: 753 if (--sc->sc_refcnt < 0) 754 usb_detach_wakeup(sc->sc_dev); 755 756 return (error); 757 } 758 759 Static int 760 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 761 { 762 struct mbuf *m_new = NULL; 763 764 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 765 766 if (m == NULL) { 767 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 768 if (m_new == NULL) { 769 printf("%s: no memory for rx list " 770 "-- packet dropped!\n", device_xname(sc->sc_dev)); 771 return (ENOBUFS); 772 } 773 MCLGET(m_new, M_DONTWAIT); 774 if (!(m_new->m_flags & M_EXT)) { 775 printf("%s: no memory for rx list " 776 "-- packet dropped!\n", device_xname(sc->sc_dev)); 777 m_freem(m_new); 778 return (ENOBUFS); 779 } 780 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 781 } else { 782 m_new = m; 783 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 784 m_new->m_data = m_new->m_ext.ext_buf; 785 } 786 787 m_adj(m_new, ETHER_ALIGN); 788 c->url_mbuf = m_new; 789 790 return (0); 791 } 792 793 794 Static int 795 url_rx_list_init(struct url_softc *sc) 796 { 797 struct url_cdata *cd; 798 struct url_chain *c; 799 int i; 800 801 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 802 803 cd = &sc->sc_cdata; 804 for (i = 0; i < URL_RX_LIST_CNT; i++) { 805 c = &cd->url_rx_chain[i]; 806 c->url_sc = sc; 807 c->url_idx = i; 808 if (url_newbuf(sc, c, NULL) == ENOBUFS) 809 return (ENOBUFS); 810 if (c->url_xfer == NULL) { 811 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 812 if (c->url_xfer == NULL) 813 return (ENOBUFS); 814 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 815 if (c->url_buf == NULL) { 816 usbd_free_xfer(c->url_xfer); 817 return (ENOBUFS); 818 } 819 } 820 } 821 822 return (0); 823 } 824 825 Static int 826 url_tx_list_init(struct url_softc *sc) 827 { 828 struct url_cdata *cd; 829 struct url_chain *c; 830 int i; 831 832 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 833 834 cd = &sc->sc_cdata; 835 for (i = 0; i < URL_TX_LIST_CNT; i++) { 836 c = &cd->url_tx_chain[i]; 837 c->url_sc = sc; 838 c->url_idx = i; 839 c->url_mbuf = NULL; 840 if (c->url_xfer == NULL) { 841 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 842 if (c->url_xfer == NULL) 843 return (ENOBUFS); 844 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 845 if (c->url_buf == NULL) { 846 usbd_free_xfer(c->url_xfer); 847 return (ENOBUFS); 848 } 849 } 850 } 851 852 return (0); 853 } 854 855 Static void 856 url_start(struct ifnet *ifp) 857 { 858 struct url_softc *sc = ifp->if_softc; 859 struct mbuf *m_head = NULL; 860 861 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 862 __func__, sc->sc_link)); 863 864 if (sc->sc_dying) 865 return; 866 867 if (!sc->sc_link) 868 return; 869 870 if (ifp->if_flags & IFF_OACTIVE) 871 return; 872 873 IFQ_POLL(&ifp->if_snd, m_head); 874 if (m_head == NULL) 875 return; 876 877 if (url_send(sc, m_head, 0)) { 878 ifp->if_flags |= IFF_OACTIVE; 879 return; 880 } 881 882 IFQ_DEQUEUE(&ifp->if_snd, m_head); 883 884 bpf_mtap(ifp, m_head); 885 886 ifp->if_flags |= IFF_OACTIVE; 887 888 /* Set a timeout in case the chip goes out to lunch. */ 889 ifp->if_timer = 5; 890 } 891 892 Static int 893 url_send(struct url_softc *sc, struct mbuf *m, int idx) 894 { 895 int total_len; 896 struct url_chain *c; 897 usbd_status err; 898 899 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 900 901 c = &sc->sc_cdata.url_tx_chain[idx]; 902 903 /* Copy the mbuf data into a contiguous buffer */ 904 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 905 c->url_mbuf = m; 906 total_len = m->m_pkthdr.len; 907 908 if (total_len < URL_MIN_FRAME_LEN) { 909 memset(c->url_buf + total_len, 0, 910 URL_MIN_FRAME_LEN - total_len); 911 total_len = URL_MIN_FRAME_LEN; 912 } 913 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 914 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 915 URL_TX_TIMEOUT, url_txeof); 916 917 /* Transmit */ 918 sc->sc_refcnt++; 919 err = usbd_transfer(c->url_xfer); 920 if (--sc->sc_refcnt < 0) 921 usb_detach_wakeup(sc->sc_dev); 922 if (err != USBD_IN_PROGRESS) { 923 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 924 usbd_errstr(err)); 925 /* Stop the interface */ 926 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 927 USB_TASKQ_DRIVER); 928 return (EIO); 929 } 930 931 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 932 __func__, total_len)); 933 934 sc->sc_cdata.url_tx_cnt++; 935 936 return (0); 937 } 938 939 Static void 940 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 941 usbd_status status) 942 { 943 struct url_chain *c = priv; 944 struct url_softc *sc = c->url_sc; 945 struct ifnet *ifp = GET_IFP(sc); 946 int s; 947 948 if (sc->sc_dying) 949 return; 950 951 s = splnet(); 952 953 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 954 955 ifp->if_timer = 0; 956 ifp->if_flags &= ~IFF_OACTIVE; 957 958 if (status != USBD_NORMAL_COMPLETION) { 959 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 960 splx(s); 961 return; 962 } 963 ifp->if_oerrors++; 964 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 965 usbd_errstr(status)); 966 if (status == USBD_STALLED) { 967 sc->sc_refcnt++; 968 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 969 if (--sc->sc_refcnt < 0) 970 usb_detach_wakeup(sc->sc_dev); 971 } 972 splx(s); 973 return; 974 } 975 976 ifp->if_opackets++; 977 978 m_freem(c->url_mbuf); 979 c->url_mbuf = NULL; 980 981 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 982 url_start(ifp); 983 984 splx(s); 985 } 986 987 Static void 988 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 989 { 990 struct url_chain *c = priv; 991 struct url_softc *sc = c->url_sc; 992 struct ifnet *ifp = GET_IFP(sc); 993 struct mbuf *m; 994 u_int32_t total_len; 995 url_rxhdr_t rxhdr; 996 int s; 997 998 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 999 1000 if (sc->sc_dying) 1001 return; 1002 1003 if (status != USBD_NORMAL_COMPLETION) { 1004 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1005 return; 1006 sc->sc_rx_errs++; 1007 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1008 printf("%s: %u usb errors on rx: %s\n", 1009 device_xname(sc->sc_dev), sc->sc_rx_errs, 1010 usbd_errstr(status)); 1011 sc->sc_rx_errs = 0; 1012 } 1013 if (status == USBD_STALLED) { 1014 sc->sc_refcnt++; 1015 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1016 if (--sc->sc_refcnt < 0) 1017 usb_detach_wakeup(sc->sc_dev); 1018 } 1019 goto done; 1020 } 1021 1022 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1023 1024 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1025 1026 if (total_len <= ETHER_CRC_LEN) { 1027 ifp->if_ierrors++; 1028 goto done; 1029 } 1030 1031 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1032 1033 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1034 device_xname(sc->sc_dev), 1035 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1036 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1037 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1038 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1039 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1040 1041 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1042 ifp->if_ierrors++; 1043 goto done; 1044 } 1045 1046 ifp->if_ipackets++; 1047 total_len -= ETHER_CRC_LEN; 1048 1049 m = c->url_mbuf; 1050 m->m_pkthdr.len = m->m_len = total_len; 1051 m->m_pkthdr.rcvif = ifp; 1052 1053 s = splnet(); 1054 1055 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1056 ifp->if_ierrors++; 1057 goto done1; 1058 } 1059 1060 bpf_mtap(ifp, m); 1061 1062 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1063 __func__, m->m_len)); 1064 (*(ifp)->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(sc->sc_dev); 1078 1079 DPRINTF(("%s: %s: start rx\n", device_xname(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", device_xname(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", device_xname(sc->sc_dev), __func__)); 1122 1123 ifp->if_oerrors++; 1124 printf("%s: watchdog timeout\n", device_xname(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", device_xname(sc->sc_dev), __func__)); 1151 1152 ifp->if_timer = 0; 1153 1154 url_reset(sc); 1155 1156 callout_stop(&sc->sc_stat_ch); 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 device_xname(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 device_xname(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 device_xname(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 device_xname(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 device_xname(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 device_xname(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", device_xname(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", device_xname(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", device_xname(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", device_xname(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 device_xname(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 callout_reset(&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", device_xname(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", device_xname(sc->sc_dev), 1338 __func__)); 1339 1340 rw_exit(&sc->sc_mii_rwlock); 1341 if (--sc->sc_refcnt < 0) 1342 usb_detach_wakeup(sc->sc_dev); 1343 } 1344 1345 Static int 1346 url_int_miibus_readreg(device_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 = device_private(dev); 1355 1356 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1357 device_xname(sc->sc_dev), __func__, phy, reg)); 1358 1359 if (sc->sc_dying) { 1360 #ifdef DIAGNOSTIC 1361 printf("%s: %s: dying\n", device_xname(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 device_xname(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 device_xname(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 device_xname(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_t dev, int phy, int reg, int data) 1420 { 1421 struct url_softc *sc; 1422 1423 if (dev == NULL) 1424 return; 1425 1426 sc = device_private(dev); 1427 1428 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1429 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1430 1431 if (sc->sc_dying) { 1432 #ifdef DIAGNOSTIC 1433 printf("%s: %s: dying\n", device_xname(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 device_xname(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 device_xname(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_t dev) 1487 { 1488 #ifdef URL_DEBUG 1489 struct url_softc *sc; 1490 1491 if (dev == NULL) 1492 return; 1493 1494 sc = device_private(dev); 1495 DPRINTF(("%s: %s: enter\n", device_xname(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_t dev, int phy, int reg) 1506 { 1507 struct url_softc *sc = device_private(dev); 1508 u_int16_t val; 1509 1510 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1511 device_xname(sc->sc_dev), __func__, phy, reg)); 1512 1513 if (sc->sc_dying) { 1514 #ifdef DIAGNOSTIC 1515 printf("%s: %s: dying\n", device_xname(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", device_xname(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 device_xname(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_t dev, int phy, int reg, int data) 1550 { 1551 struct url_softc *sc = device_private(dev); 1552 1553 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1554 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1555 1556 if (sc->sc_dying) { 1557 #ifdef DIAGNOSTIC 1558 printf("%s: %s: dying\n", device_xname(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 device_xname(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