if_url.c revision 1.45
1 /* $NetBSD: if_url.c,v 1.45 2012/12/27 16:42:32 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 5 * Shingo WATANABE <nabe (at) 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 1.45 2012/12/27 16:42:32 skrll Exp $"); 48 49 #include "opt_inet.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 #include <sys/rnd.h> 60 61 #include <net/if.h> 62 #include <net/if_arp.h> 63 #include <net/if_dl.h> 64 #include <net/if_media.h> 65 66 #include <net/bpf.h> 67 68 #include <net/if_ether.h> 69 #ifdef INET 70 #include <netinet/in.h> 71 #include <netinet/if_inarp.h> 72 #endif 73 74 #include <dev/mii/mii.h> 75 #include <dev/mii/miivar.h> 76 #include <dev/mii/urlphyreg.h> 77 78 #include <dev/usb/usb.h> 79 #include <dev/usb/usbdi.h> 80 #include <dev/usb/usbdi_util.h> 81 #include <dev/usb/usbdevs.h> 82 83 #include <dev/usb/if_urlreg.h> 84 85 86 /* Function declarations */ 87 int url_match(device_t, cfdata_t, void *); 88 void url_attach(device_t, device_t, void *); 89 int url_detach(device_t, int); 90 int url_activate(device_t, enum devact); 91 extern struct cfdriver url_cd; 92 CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, url_detach, url_activate); 93 94 Static int url_openpipes(struct url_softc *); 95 Static int url_rx_list_init(struct url_softc *); 96 Static int url_tx_list_init(struct url_softc *); 97 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 98 Static void url_start(struct ifnet *); 99 Static int url_send(struct url_softc *, struct mbuf *, int); 100 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 101 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 102 Static void url_tick(void *); 103 Static void url_tick_task(void *); 104 Static int url_ioctl(struct ifnet *, u_long, void *); 105 Static void url_stop_task(struct url_softc *); 106 Static void url_stop(struct ifnet *, int); 107 Static void url_watchdog(struct ifnet *); 108 Static int url_ifmedia_change(struct ifnet *); 109 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 110 Static void url_lock_mii(struct url_softc *); 111 Static void url_unlock_mii(struct url_softc *); 112 Static int url_int_miibus_readreg(device_t, int, int); 113 Static void url_int_miibus_writereg(device_t, int, int, int); 114 Static void url_miibus_statchg(struct ifnet *); 115 Static int url_init(struct ifnet *); 116 Static void url_setmulti(struct url_softc *); 117 Static void url_reset(struct url_softc *); 118 119 Static int url_csr_read_1(struct url_softc *, int); 120 Static int url_csr_read_2(struct url_softc *, int); 121 Static int url_csr_write_1(struct url_softc *, int, int); 122 Static int url_csr_write_2(struct url_softc *, int, int); 123 Static int url_csr_write_4(struct url_softc *, int, int); 124 Static int url_mem(struct url_softc *, int, int, void *, int); 125 126 /* Macros */ 127 #ifdef URL_DEBUG 128 #define DPRINTF(x) if (urldebug) printf x 129 #define DPRINTFN(n,x) if (urldebug >= (n)) printf x 130 int urldebug = 0; 131 #else 132 #define DPRINTF(x) 133 #define DPRINTFN(n,x) 134 #endif 135 136 #define URL_SETBIT(sc, reg, x) \ 137 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 138 139 #define URL_SETBIT2(sc, reg, x) \ 140 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 141 142 #define URL_CLRBIT(sc, reg, x) \ 143 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 144 145 #define URL_CLRBIT2(sc, reg, x) \ 146 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 147 148 static const struct url_type { 149 struct usb_devno url_dev; 150 u_int16_t url_flags; 151 #define URL_EXT_PHY 0x0001 152 } url_devs [] = { 153 /* MELCO LUA-KTX */ 154 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 155 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 156 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 157 /* Longshine LCS-8138TX */ 158 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 159 /* Micronet SP128AR */ 160 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 161 /* OQO model 01 */ 162 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 163 }; 164 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 165 166 167 /* Probe */ 168 int 169 url_match(device_t parent, cfdata_t match, void *aux) 170 { 171 struct usb_attach_arg *uaa = aux; 172 173 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 174 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 175 } 176 /* Attach */ 177 void 178 url_attach(device_t parent, device_t self, void *aux) 179 { 180 struct url_softc *sc = device_private(self); 181 struct usb_attach_arg *uaa = aux; 182 usbd_device_handle dev = uaa->device; 183 usbd_interface_handle iface; 184 usbd_status err; 185 usb_interface_descriptor_t *id; 186 usb_endpoint_descriptor_t *ed; 187 char *devinfop; 188 struct ifnet *ifp; 189 struct mii_data *mii; 190 u_char eaddr[ETHER_ADDR_LEN]; 191 int i, s; 192 193 sc->sc_dev = self; 194 195 aprint_naive("\n"); 196 aprint_normal("\n"); 197 198 devinfop = usbd_devinfo_alloc(dev, 0); 199 aprint_normal_dev(self, "%s\n", devinfop); 200 usbd_devinfo_free(devinfop); 201 202 /* Move the device into the configured state. */ 203 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 204 if (err) { 205 aprint_error_dev(self, "failed to set configuration" 206 ", err=%s\n", usbd_errstr(err)); 207 goto bad; 208 } 209 210 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 211 rw_init(&sc->sc_mii_rwlock); 212 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 213 214 /* get control interface */ 215 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 216 if (err) { 217 aprint_error_dev(self, "failed to get interface, err=%s\n", 218 usbd_errstr(err)); 219 goto bad; 220 } 221 222 sc->sc_udev = dev; 223 sc->sc_ctl_iface = iface; 224 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 225 226 /* get interface descriptor */ 227 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 228 229 /* find endpoints */ 230 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 231 for (i = 0; i < id->bNumEndpoints; i++) { 232 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 233 if (ed == NULL) { 234 aprint_error_dev(self, 235 "couldn't get endpoint %d\n", i); 236 goto bad; 237 } 238 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 239 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 240 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 241 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 242 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 243 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 244 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 245 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 246 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 247 } 248 249 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 250 sc->sc_intrin_no == -1) { 251 aprint_error_dev(self, "missing endpoint\n"); 252 goto bad; 253 } 254 255 s = splnet(); 256 257 /* reset the adapter */ 258 url_reset(sc); 259 260 /* Get Ethernet Address */ 261 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 262 ETHER_ADDR_LEN); 263 if (err) { 264 aprint_error_dev(self, "read MAC address failed\n"); 265 splx(s); 266 goto bad; 267 } 268 269 /* Print Ethernet Address */ 270 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 271 272 /* initialize interface information */ 273 ifp = GET_IFP(sc); 274 ifp->if_softc = sc; 275 ifp->if_mtu = ETHERMTU; 276 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 277 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 278 ifp->if_start = url_start; 279 ifp->if_ioctl = url_ioctl; 280 ifp->if_watchdog = url_watchdog; 281 ifp->if_init = url_init; 282 ifp->if_stop = url_stop; 283 284 IFQ_SET_READY(&ifp->if_snd); 285 286 /* 287 * Do ifmedia setup. 288 */ 289 mii = &sc->sc_mii; 290 mii->mii_ifp = ifp; 291 mii->mii_readreg = url_int_miibus_readreg; 292 mii->mii_writereg = url_int_miibus_writereg; 293 #if 0 294 if (sc->sc_flags & URL_EXT_PHY) { 295 mii->mii_readreg = url_ext_miibus_readreg; 296 mii->mii_writereg = url_ext_miibus_writereg; 297 } 298 #endif 299 mii->mii_statchg = url_miibus_statchg; 300 mii->mii_flags = MIIF_AUTOTSLEEP; 301 sc->sc_ec.ec_mii = mii; 302 ifmedia_init(&mii->mii_media, 0, 303 url_ifmedia_change, url_ifmedia_status); 304 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 305 if (LIST_FIRST(&mii->mii_phys) == NULL) { 306 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 307 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 308 } else 309 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 310 311 /* attach the interface */ 312 if_attach(ifp); 313 ether_ifattach(ifp, eaddr); 314 315 rnd_attach_source(&sc->rnd_source, device_xname(self), 316 RND_TYPE_NET, 0); 317 318 callout_init(&sc->sc_stat_ch, 0); 319 sc->sc_attached = 1; 320 splx(s); 321 322 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 323 324 return; 325 326 bad: 327 sc->sc_dying = 1; 328 return; 329 } 330 331 /* detach */ 332 int 333 url_detach(device_t self, int flags) 334 { 335 struct url_softc *sc = device_private(self); 336 struct ifnet *ifp = GET_IFP(sc); 337 int s; 338 339 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 340 341 /* Detached before attached finished */ 342 if (!sc->sc_attached) 343 return (0); 344 345 callout_stop(&sc->sc_stat_ch); 346 347 /* Remove any pending tasks */ 348 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 349 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 350 351 s = splusb(); 352 353 if (--sc->sc_refcnt >= 0) { 354 /* Wait for processes to go away */ 355 usb_detach_waitold(sc->sc_dev); 356 } 357 358 if (ifp->if_flags & IFF_RUNNING) 359 url_stop(GET_IFP(sc), 1); 360 361 rnd_detach_source(&sc->rnd_source); 362 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 363 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 364 ether_ifdetach(ifp); 365 if_detach(ifp); 366 367 #ifdef DIAGNOSTIC 368 if (sc->sc_pipe_tx != NULL) 369 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 370 if (sc->sc_pipe_rx != NULL) 371 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 372 if (sc->sc_pipe_intr != NULL) 373 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 374 #endif 375 376 sc->sc_attached = 0; 377 378 splx(s); 379 380 rw_destroy(&sc->sc_mii_rwlock); 381 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 382 sc->sc_dev); 383 384 return (0); 385 } 386 387 /* read/write memory */ 388 Static int 389 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 390 { 391 usb_device_request_t req; 392 usbd_status err; 393 394 if (sc == NULL) 395 return (0); 396 397 DPRINTFN(0x200, 398 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 399 400 if (sc->sc_dying) 401 return (0); 402 403 if (cmd == URL_CMD_READMEM) 404 req.bmRequestType = UT_READ_VENDOR_DEVICE; 405 else 406 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 407 req.bRequest = URL_REQ_MEM; 408 USETW(req.wValue, offset); 409 USETW(req.wIndex, 0x0000); 410 USETW(req.wLength, len); 411 412 sc->sc_refcnt++; 413 err = usbd_do_request(sc->sc_udev, &req, buf); 414 if (--sc->sc_refcnt < 0) 415 usb_detach_wakeupold(sc->sc_dev); 416 if (err) { 417 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 418 device_xname(sc->sc_dev), 419 cmd == URL_CMD_READMEM ? "read" : "write", 420 offset, err)); 421 } 422 423 return (err); 424 } 425 426 /* read 1byte from register */ 427 Static int 428 url_csr_read_1(struct url_softc *sc, int reg) 429 { 430 u_int8_t val = 0; 431 432 DPRINTFN(0x100, 433 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 434 435 if (sc->sc_dying) 436 return (0); 437 438 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 439 } 440 441 /* read 2bytes from register */ 442 Static int 443 url_csr_read_2(struct url_softc *sc, int reg) 444 { 445 uWord val; 446 447 DPRINTFN(0x100, 448 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 449 450 if (sc->sc_dying) 451 return (0); 452 453 USETW(val, 0); 454 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 455 } 456 457 /* write 1byte to register */ 458 Static int 459 url_csr_write_1(struct url_softc *sc, int reg, int aval) 460 { 461 u_int8_t val = aval; 462 463 DPRINTFN(0x100, 464 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 465 466 if (sc->sc_dying) 467 return (0); 468 469 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 470 } 471 472 /* write 2bytes to register */ 473 Static int 474 url_csr_write_2(struct url_softc *sc, int reg, int aval) 475 { 476 uWord val; 477 478 DPRINTFN(0x100, 479 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 480 481 USETW(val, aval); 482 483 if (sc->sc_dying) 484 return (0); 485 486 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 487 } 488 489 /* write 4bytes to register */ 490 Static int 491 url_csr_write_4(struct url_softc *sc, int reg, int aval) 492 { 493 uDWord val; 494 495 DPRINTFN(0x100, 496 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 497 498 USETDW(val, aval); 499 500 if (sc->sc_dying) 501 return (0); 502 503 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 504 } 505 506 Static int 507 url_init(struct ifnet *ifp) 508 { 509 struct url_softc *sc = ifp->if_softc; 510 struct mii_data *mii = GET_MII(sc); 511 const u_char *eaddr; 512 int i, rc, s; 513 514 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 515 516 if (sc->sc_dying) 517 return (EIO); 518 519 s = splnet(); 520 521 /* Cancel pending I/O and free all TX/RX buffers */ 522 url_stop(ifp, 1); 523 524 eaddr = CLLADDR(ifp->if_sadl); 525 for (i = 0; i < ETHER_ADDR_LEN; i++) 526 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 527 528 /* Init transmission control register */ 529 URL_CLRBIT(sc, URL_TCR, 530 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 531 URL_TCR_IFG1 | URL_TCR_IFG0 | 532 URL_TCR_NOCRC); 533 534 /* Init receive control register */ 535 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 536 if (ifp->if_flags & IFF_BROADCAST) 537 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 538 else 539 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 540 541 /* If we want promiscuous mode, accept all physical frames. */ 542 if (ifp->if_flags & IFF_PROMISC) 543 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 544 else 545 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 546 547 548 /* Initialize transmit ring */ 549 if (url_tx_list_init(sc) == ENOBUFS) { 550 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 551 splx(s); 552 return (EIO); 553 } 554 555 /* Initialize receive ring */ 556 if (url_rx_list_init(sc) == ENOBUFS) { 557 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 558 splx(s); 559 return (EIO); 560 } 561 562 /* Load the multicast filter */ 563 url_setmulti(sc); 564 565 /* Enable RX and TX */ 566 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 567 568 if ((rc = mii_mediachg(mii)) == ENXIO) 569 rc = 0; 570 else if (rc != 0) 571 goto out; 572 573 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 574 if (url_openpipes(sc)) { 575 splx(s); 576 return (EIO); 577 } 578 } 579 580 ifp->if_flags |= IFF_RUNNING; 581 ifp->if_flags &= ~IFF_OACTIVE; 582 583 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 584 585 out: 586 splx(s); 587 return rc; 588 } 589 590 Static void 591 url_reset(struct url_softc *sc) 592 { 593 int i; 594 595 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 596 597 if (sc->sc_dying) 598 return; 599 600 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 601 602 for (i = 0; i < URL_TX_TIMEOUT; i++) { 603 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 604 break; 605 delay(10); /* XXX */ 606 } 607 608 delay(10000); /* XXX */ 609 } 610 611 int 612 url_activate(device_t self, enum devact act) 613 { 614 struct url_softc *sc = device_private(self); 615 616 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 617 __func__, act)); 618 619 switch (act) { 620 case DVACT_DEACTIVATE: 621 if_deactivate(&sc->sc_ec.ec_if); 622 sc->sc_dying = 1; 623 return 0; 624 default: 625 return EOPNOTSUPP; 626 } 627 } 628 629 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 630 631 632 Static void 633 url_setmulti(struct url_softc *sc) 634 { 635 struct ifnet *ifp; 636 struct ether_multi *enm; 637 struct ether_multistep step; 638 u_int32_t hashes[2] = { 0, 0 }; 639 int h = 0; 640 int mcnt = 0; 641 642 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 643 644 if (sc->sc_dying) 645 return; 646 647 ifp = GET_IFP(sc); 648 649 if (ifp->if_flags & IFF_PROMISC) { 650 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 651 return; 652 } else if (ifp->if_flags & IFF_ALLMULTI) { 653 allmulti: 654 ifp->if_flags |= IFF_ALLMULTI; 655 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 656 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 657 return; 658 } 659 660 /* first, zot all the existing hash bits */ 661 url_csr_write_4(sc, URL_MAR0, 0); 662 url_csr_write_4(sc, URL_MAR4, 0); 663 664 /* now program new ones */ 665 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 666 while (enm != NULL) { 667 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 668 ETHER_ADDR_LEN) != 0) 669 goto allmulti; 670 671 h = url_calchash(enm->enm_addrlo); 672 if (h < 32) 673 hashes[0] |= (1 << h); 674 else 675 hashes[1] |= (1 << (h -32)); 676 mcnt++; 677 ETHER_NEXT_MULTI(step, enm); 678 } 679 680 ifp->if_flags &= ~IFF_ALLMULTI; 681 682 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 683 684 if (mcnt){ 685 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 686 } else { 687 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 688 } 689 url_csr_write_4(sc, URL_MAR0, hashes[0]); 690 url_csr_write_4(sc, URL_MAR4, hashes[1]); 691 } 692 693 Static int 694 url_openpipes(struct url_softc *sc) 695 { 696 struct url_chain *c; 697 usbd_status err; 698 int i; 699 int error = 0; 700 701 if (sc->sc_dying) 702 return (EIO); 703 704 sc->sc_refcnt++; 705 706 /* Open RX pipe */ 707 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 708 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 709 if (err) { 710 printf("%s: open rx pipe failed: %s\n", 711 device_xname(sc->sc_dev), usbd_errstr(err)); 712 error = EIO; 713 goto done; 714 } 715 716 /* Open TX pipe */ 717 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 718 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 719 if (err) { 720 printf("%s: open tx pipe failed: %s\n", 721 device_xname(sc->sc_dev), usbd_errstr(err)); 722 error = EIO; 723 goto done; 724 } 725 726 #if 0 727 /* XXX: interrupt endpoint is not yet supported */ 728 /* Open Interrupt pipe */ 729 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 730 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 731 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 732 url_intr, USBD_DEFAULT_INTERVAL); 733 if (err) { 734 printf("%s: open intr pipe failed: %s\n", 735 device_xname(sc->sc_dev), usbd_errstr(err)); 736 error = EIO; 737 goto done; 738 } 739 #endif 740 741 742 /* Start up the receive pipe. */ 743 for (i = 0; i < URL_RX_LIST_CNT; i++) { 744 c = &sc->sc_cdata.url_rx_chain[i]; 745 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 746 c, c->url_buf, URL_BUFSZ, 747 USBD_SHORT_XFER_OK | USBD_NO_COPY, 748 USBD_NO_TIMEOUT, url_rxeof); 749 (void)usbd_transfer(c->url_xfer); 750 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 751 __func__)); 752 } 753 754 done: 755 if (--sc->sc_refcnt < 0) 756 usb_detach_wakeupold(sc->sc_dev); 757 758 return (error); 759 } 760 761 Static int 762 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 763 { 764 struct mbuf *m_new = NULL; 765 766 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 767 768 if (m == NULL) { 769 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 770 if (m_new == NULL) { 771 printf("%s: no memory for rx list " 772 "-- packet dropped!\n", device_xname(sc->sc_dev)); 773 return (ENOBUFS); 774 } 775 MCLGET(m_new, M_DONTWAIT); 776 if (!(m_new->m_flags & M_EXT)) { 777 printf("%s: no memory for rx list " 778 "-- packet dropped!\n", device_xname(sc->sc_dev)); 779 m_freem(m_new); 780 return (ENOBUFS); 781 } 782 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 783 } else { 784 m_new = m; 785 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 786 m_new->m_data = m_new->m_ext.ext_buf; 787 } 788 789 m_adj(m_new, ETHER_ALIGN); 790 c->url_mbuf = m_new; 791 792 return (0); 793 } 794 795 796 Static int 797 url_rx_list_init(struct url_softc *sc) 798 { 799 struct url_cdata *cd; 800 struct url_chain *c; 801 int i; 802 803 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 804 805 cd = &sc->sc_cdata; 806 for (i = 0; i < URL_RX_LIST_CNT; i++) { 807 c = &cd->url_rx_chain[i]; 808 c->url_sc = sc; 809 c->url_idx = i; 810 if (url_newbuf(sc, c, NULL) == ENOBUFS) 811 return (ENOBUFS); 812 if (c->url_xfer == NULL) { 813 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 814 if (c->url_xfer == NULL) 815 return (ENOBUFS); 816 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 817 if (c->url_buf == NULL) { 818 usbd_free_xfer(c->url_xfer); 819 return (ENOBUFS); 820 } 821 } 822 } 823 824 return (0); 825 } 826 827 Static int 828 url_tx_list_init(struct url_softc *sc) 829 { 830 struct url_cdata *cd; 831 struct url_chain *c; 832 int i; 833 834 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 835 836 cd = &sc->sc_cdata; 837 for (i = 0; i < URL_TX_LIST_CNT; i++) { 838 c = &cd->url_tx_chain[i]; 839 c->url_sc = sc; 840 c->url_idx = i; 841 c->url_mbuf = NULL; 842 if (c->url_xfer == NULL) { 843 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 844 if (c->url_xfer == NULL) 845 return (ENOBUFS); 846 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 847 if (c->url_buf == NULL) { 848 usbd_free_xfer(c->url_xfer); 849 return (ENOBUFS); 850 } 851 } 852 } 853 854 return (0); 855 } 856 857 Static void 858 url_start(struct ifnet *ifp) 859 { 860 struct url_softc *sc = ifp->if_softc; 861 struct mbuf *m_head = NULL; 862 863 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 864 __func__, sc->sc_link)); 865 866 if (sc->sc_dying) 867 return; 868 869 if (!sc->sc_link) 870 return; 871 872 if (ifp->if_flags & IFF_OACTIVE) 873 return; 874 875 IFQ_POLL(&ifp->if_snd, m_head); 876 if (m_head == NULL) 877 return; 878 879 if (url_send(sc, m_head, 0)) { 880 ifp->if_flags |= IFF_OACTIVE; 881 return; 882 } 883 884 IFQ_DEQUEUE(&ifp->if_snd, m_head); 885 886 bpf_mtap(ifp, m_head); 887 888 ifp->if_flags |= IFF_OACTIVE; 889 890 /* Set a timeout in case the chip goes out to lunch. */ 891 ifp->if_timer = 5; 892 } 893 894 Static int 895 url_send(struct url_softc *sc, struct mbuf *m, int idx) 896 { 897 int total_len; 898 struct url_chain *c; 899 usbd_status err; 900 901 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 902 903 c = &sc->sc_cdata.url_tx_chain[idx]; 904 905 /* Copy the mbuf data into a contiguous buffer */ 906 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 907 c->url_mbuf = m; 908 total_len = m->m_pkthdr.len; 909 910 if (total_len < URL_MIN_FRAME_LEN) { 911 memset(c->url_buf + total_len, 0, 912 URL_MIN_FRAME_LEN - total_len); 913 total_len = URL_MIN_FRAME_LEN; 914 } 915 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 916 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 917 URL_TX_TIMEOUT, url_txeof); 918 919 /* Transmit */ 920 sc->sc_refcnt++; 921 err = usbd_transfer(c->url_xfer); 922 if (--sc->sc_refcnt < 0) 923 usb_detach_wakeupold(sc->sc_dev); 924 if (err != USBD_IN_PROGRESS) { 925 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 926 usbd_errstr(err)); 927 /* Stop the interface */ 928 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 929 USB_TASKQ_DRIVER); 930 return (EIO); 931 } 932 933 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 934 __func__, total_len)); 935 936 sc->sc_cdata.url_tx_cnt++; 937 938 return (0); 939 } 940 941 Static void 942 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 943 usbd_status status) 944 { 945 struct url_chain *c = priv; 946 struct url_softc *sc = c->url_sc; 947 struct ifnet *ifp = GET_IFP(sc); 948 int s; 949 950 if (sc->sc_dying) 951 return; 952 953 s = splnet(); 954 955 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 956 957 ifp->if_timer = 0; 958 ifp->if_flags &= ~IFF_OACTIVE; 959 960 if (status != USBD_NORMAL_COMPLETION) { 961 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 962 splx(s); 963 return; 964 } 965 ifp->if_oerrors++; 966 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 967 usbd_errstr(status)); 968 if (status == USBD_STALLED) { 969 sc->sc_refcnt++; 970 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 971 if (--sc->sc_refcnt < 0) 972 usb_detach_wakeupold(sc->sc_dev); 973 } 974 splx(s); 975 return; 976 } 977 978 ifp->if_opackets++; 979 980 m_freem(c->url_mbuf); 981 c->url_mbuf = NULL; 982 983 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 984 url_start(ifp); 985 986 splx(s); 987 } 988 989 Static void 990 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 991 { 992 struct url_chain *c = priv; 993 struct url_softc *sc = c->url_sc; 994 struct ifnet *ifp = GET_IFP(sc); 995 struct mbuf *m; 996 u_int32_t total_len; 997 url_rxhdr_t rxhdr; 998 int s; 999 1000 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1001 1002 if (sc->sc_dying) 1003 return; 1004 1005 if (status != USBD_NORMAL_COMPLETION) { 1006 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1007 return; 1008 sc->sc_rx_errs++; 1009 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1010 printf("%s: %u usb errors on rx: %s\n", 1011 device_xname(sc->sc_dev), sc->sc_rx_errs, 1012 usbd_errstr(status)); 1013 sc->sc_rx_errs = 0; 1014 } 1015 if (status == USBD_STALLED) { 1016 sc->sc_refcnt++; 1017 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1018 if (--sc->sc_refcnt < 0) 1019 usb_detach_wakeupold(sc->sc_dev); 1020 } 1021 goto done; 1022 } 1023 1024 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1025 1026 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1027 1028 if (total_len <= ETHER_CRC_LEN) { 1029 ifp->if_ierrors++; 1030 goto done; 1031 } 1032 1033 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1034 1035 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1036 device_xname(sc->sc_dev), 1037 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1038 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1039 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1040 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1041 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1042 1043 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1044 ifp->if_ierrors++; 1045 goto done; 1046 } 1047 1048 ifp->if_ipackets++; 1049 total_len -= ETHER_CRC_LEN; 1050 1051 m = c->url_mbuf; 1052 m->m_pkthdr.len = m->m_len = total_len; 1053 m->m_pkthdr.rcvif = ifp; 1054 1055 s = splnet(); 1056 1057 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1058 ifp->if_ierrors++; 1059 goto done1; 1060 } 1061 1062 bpf_mtap(ifp, m); 1063 1064 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1065 __func__, m->m_len)); 1066 (*(ifp)->if_input)((ifp), (m)); 1067 1068 done1: 1069 splx(s); 1070 1071 done: 1072 /* Setup new transfer */ 1073 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1074 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1075 USBD_NO_TIMEOUT, url_rxeof); 1076 sc->sc_refcnt++; 1077 usbd_transfer(xfer); 1078 if (--sc->sc_refcnt < 0) 1079 usb_detach_wakeupold(sc->sc_dev); 1080 1081 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1082 } 1083 1084 #if 0 1085 Static void url_intr(void) 1086 { 1087 } 1088 #endif 1089 1090 Static int 1091 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1092 { 1093 struct url_softc *sc = ifp->if_softc; 1094 int s, error = 0; 1095 1096 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1097 1098 if (sc->sc_dying) 1099 return (EIO); 1100 1101 s = splnet(); 1102 1103 error = ether_ioctl(ifp, cmd, data); 1104 if (error == ENETRESET) { 1105 if (ifp->if_flags & IFF_RUNNING) 1106 url_setmulti(sc); 1107 error = 0; 1108 } 1109 1110 splx(s); 1111 1112 return (error); 1113 } 1114 1115 Static void 1116 url_watchdog(struct ifnet *ifp) 1117 { 1118 struct url_softc *sc = ifp->if_softc; 1119 struct url_chain *c; 1120 usbd_status stat; 1121 int s; 1122 1123 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1124 1125 ifp->if_oerrors++; 1126 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1127 1128 s = splusb(); 1129 c = &sc->sc_cdata.url_tx_chain[0]; 1130 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1131 url_txeof(c->url_xfer, c, stat); 1132 1133 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1134 url_start(ifp); 1135 splx(s); 1136 } 1137 1138 Static void 1139 url_stop_task(struct url_softc *sc) 1140 { 1141 url_stop(GET_IFP(sc), 1); 1142 } 1143 1144 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1145 Static void 1146 url_stop(struct ifnet *ifp, int disable) 1147 { 1148 struct url_softc *sc = ifp->if_softc; 1149 usbd_status err; 1150 int i; 1151 1152 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1153 1154 ifp->if_timer = 0; 1155 1156 url_reset(sc); 1157 1158 callout_stop(&sc->sc_stat_ch); 1159 1160 /* Stop transfers */ 1161 /* RX endpoint */ 1162 if (sc->sc_pipe_rx != NULL) { 1163 err = usbd_abort_pipe(sc->sc_pipe_rx); 1164 if (err) 1165 printf("%s: abort rx pipe failed: %s\n", 1166 device_xname(sc->sc_dev), usbd_errstr(err)); 1167 err = usbd_close_pipe(sc->sc_pipe_rx); 1168 if (err) 1169 printf("%s: close rx pipe failed: %s\n", 1170 device_xname(sc->sc_dev), usbd_errstr(err)); 1171 sc->sc_pipe_rx = NULL; 1172 } 1173 1174 /* TX endpoint */ 1175 if (sc->sc_pipe_tx != NULL) { 1176 err = usbd_abort_pipe(sc->sc_pipe_tx); 1177 if (err) 1178 printf("%s: abort tx pipe failed: %s\n", 1179 device_xname(sc->sc_dev), usbd_errstr(err)); 1180 err = usbd_close_pipe(sc->sc_pipe_tx); 1181 if (err) 1182 printf("%s: close tx pipe failed: %s\n", 1183 device_xname(sc->sc_dev), usbd_errstr(err)); 1184 sc->sc_pipe_tx = NULL; 1185 } 1186 1187 #if 0 1188 /* XXX: Interrupt endpoint is not yet supported!! */ 1189 /* Interrupt endpoint */ 1190 if (sc->sc_pipe_intr != NULL) { 1191 err = usbd_abort_pipe(sc->sc_pipe_intr); 1192 if (err) 1193 printf("%s: abort intr pipe failed: %s\n", 1194 device_xname(sc->sc_dev), usbd_errstr(err)); 1195 err = usbd_close_pipe(sc->sc_pipe_intr); 1196 if (err) 1197 printf("%s: close intr pipe failed: %s\n", 1198 device_xname(sc->sc_dev), usbd_errstr(err)); 1199 sc->sc_pipe_intr = NULL; 1200 } 1201 #endif 1202 1203 /* Free RX resources. */ 1204 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1205 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1206 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1207 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1208 } 1209 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1210 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1211 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1212 } 1213 } 1214 1215 /* Free TX resources. */ 1216 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1217 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1218 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1219 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1220 } 1221 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1222 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1223 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1224 } 1225 } 1226 1227 sc->sc_link = 0; 1228 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1229 } 1230 1231 /* Set media options */ 1232 Static int 1233 url_ifmedia_change(struct ifnet *ifp) 1234 { 1235 struct url_softc *sc = ifp->if_softc; 1236 struct mii_data *mii = GET_MII(sc); 1237 int rc; 1238 1239 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1240 1241 if (sc->sc_dying) 1242 return (0); 1243 1244 sc->sc_link = 0; 1245 if ((rc = mii_mediachg(mii)) == ENXIO) 1246 return 0; 1247 return rc; 1248 } 1249 1250 /* Report current media status. */ 1251 Static void 1252 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1253 { 1254 struct url_softc *sc = ifp->if_softc; 1255 1256 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1257 1258 if (sc->sc_dying) 1259 return; 1260 1261 ether_mediastatus(ifp, ifmr); 1262 } 1263 1264 Static void 1265 url_tick(void *xsc) 1266 { 1267 struct url_softc *sc = xsc; 1268 1269 if (sc == NULL) 1270 return; 1271 1272 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1273 __func__)); 1274 1275 if (sc->sc_dying) 1276 return; 1277 1278 /* Perform periodic stuff in process context */ 1279 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1280 } 1281 1282 Static void 1283 url_tick_task(void *xsc) 1284 { 1285 struct url_softc *sc = xsc; 1286 struct ifnet *ifp; 1287 struct mii_data *mii; 1288 int s; 1289 1290 if (sc == NULL) 1291 return; 1292 1293 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1294 __func__)); 1295 1296 if (sc->sc_dying) 1297 return; 1298 1299 ifp = GET_IFP(sc); 1300 mii = GET_MII(sc); 1301 1302 if (mii == NULL) 1303 return; 1304 1305 s = splnet(); 1306 1307 mii_tick(mii); 1308 if (!sc->sc_link) { 1309 mii_pollstat(mii); 1310 if (mii->mii_media_status & IFM_ACTIVE && 1311 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1312 DPRINTF(("%s: %s: got link\n", 1313 device_xname(sc->sc_dev), __func__)); 1314 sc->sc_link++; 1315 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1316 url_start(ifp); 1317 } 1318 } 1319 1320 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1321 1322 splx(s); 1323 } 1324 1325 /* Get exclusive access to the MII registers */ 1326 Static void 1327 url_lock_mii(struct url_softc *sc) 1328 { 1329 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1330 __func__)); 1331 1332 sc->sc_refcnt++; 1333 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1334 } 1335 1336 Static void 1337 url_unlock_mii(struct url_softc *sc) 1338 { 1339 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1340 __func__)); 1341 1342 rw_exit(&sc->sc_mii_rwlock); 1343 if (--sc->sc_refcnt < 0) 1344 usb_detach_wakeupold(sc->sc_dev); 1345 } 1346 1347 Static int 1348 url_int_miibus_readreg(device_t dev, int phy, int reg) 1349 { 1350 struct url_softc *sc; 1351 u_int16_t val; 1352 1353 if (dev == NULL) 1354 return (0); 1355 1356 sc = device_private(dev); 1357 1358 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1359 device_xname(sc->sc_dev), __func__, phy, reg)); 1360 1361 if (sc->sc_dying) { 1362 #ifdef DIAGNOSTIC 1363 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1364 __func__); 1365 #endif 1366 return (0); 1367 } 1368 1369 /* XXX: one PHY only for the RTL8150 internal PHY */ 1370 if (phy != 0) { 1371 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1372 device_xname(sc->sc_dev), __func__, phy)); 1373 return (0); 1374 } 1375 1376 url_lock_mii(sc); 1377 1378 switch (reg) { 1379 case MII_BMCR: /* Control Register */ 1380 reg = URL_BMCR; 1381 break; 1382 case MII_BMSR: /* Status Register */ 1383 reg = URL_BMSR; 1384 break; 1385 case MII_PHYIDR1: 1386 case MII_PHYIDR2: 1387 val = 0; 1388 goto R_DONE; 1389 break; 1390 case MII_ANAR: /* Autonegotiation advertisement */ 1391 reg = URL_ANAR; 1392 break; 1393 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1394 reg = URL_ANLP; 1395 break; 1396 case URLPHY_MSR: /* Media Status Register */ 1397 reg = URL_MSR; 1398 break; 1399 default: 1400 printf("%s: %s: bad register %04x\n", 1401 device_xname(sc->sc_dev), __func__, reg); 1402 val = 0; 1403 goto R_DONE; 1404 break; 1405 } 1406 1407 if (reg == URL_MSR) 1408 val = url_csr_read_1(sc, reg); 1409 else 1410 val = url_csr_read_2(sc, reg); 1411 1412 R_DONE: 1413 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1414 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1415 1416 url_unlock_mii(sc); 1417 return (val); 1418 } 1419 1420 Static void 1421 url_int_miibus_writereg(device_t dev, int phy, int reg, int data) 1422 { 1423 struct url_softc *sc; 1424 1425 if (dev == NULL) 1426 return; 1427 1428 sc = device_private(dev); 1429 1430 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1431 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1432 1433 if (sc->sc_dying) { 1434 #ifdef DIAGNOSTIC 1435 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1436 __func__); 1437 #endif 1438 return; 1439 } 1440 1441 /* XXX: one PHY only for the RTL8150 internal PHY */ 1442 if (phy != 0) { 1443 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1444 device_xname(sc->sc_dev), __func__, phy)); 1445 return; 1446 } 1447 1448 url_lock_mii(sc); 1449 1450 switch (reg) { 1451 case MII_BMCR: /* Control Register */ 1452 reg = URL_BMCR; 1453 break; 1454 case MII_BMSR: /* Status Register */ 1455 reg = URL_BMSR; 1456 break; 1457 case MII_PHYIDR1: 1458 case MII_PHYIDR2: 1459 goto W_DONE; 1460 break; 1461 case MII_ANAR: /* Autonegotiation advertisement */ 1462 reg = URL_ANAR; 1463 break; 1464 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1465 reg = URL_ANLP; 1466 break; 1467 case URLPHY_MSR: /* Media Status Register */ 1468 reg = URL_MSR; 1469 break; 1470 default: 1471 printf("%s: %s: bad register %04x\n", 1472 device_xname(sc->sc_dev), __func__, reg); 1473 goto W_DONE; 1474 break; 1475 } 1476 1477 if (reg == URL_MSR) 1478 url_csr_write_1(sc, reg, data); 1479 else 1480 url_csr_write_2(sc, reg, data); 1481 W_DONE: 1482 1483 url_unlock_mii(sc); 1484 return; 1485 } 1486 1487 Static void 1488 url_miibus_statchg(struct ifnet *ifp) 1489 { 1490 #ifdef URL_DEBUG 1491 if (ifp == NULL) 1492 return; 1493 1494 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1495 #endif 1496 /* Nothing to do */ 1497 } 1498 1499 #if 0 1500 /* 1501 * external PHYs support, but not test. 1502 */ 1503 Static int 1504 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1505 { 1506 struct url_softc *sc = device_private(dev); 1507 u_int16_t val; 1508 1509 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1510 device_xname(sc->sc_dev), __func__, phy, reg)); 1511 1512 if (sc->sc_dying) { 1513 #ifdef DIAGNOSTIC 1514 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1515 __func__); 1516 #endif 1517 return (0); 1518 } 1519 1520 url_lock_mii(sc); 1521 1522 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1523 /* 1524 * RTL8150L will initiate a MII management data transaction 1525 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1526 * this bit is auto cleared by TRL8150L. 1527 */ 1528 url_csr_write_1(sc, URL_PHYCNT, 1529 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1530 for (i = 0; i < URL_TIMEOUT; i++) { 1531 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1532 break; 1533 } 1534 if (i == URL_TIMEOUT) { 1535 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1536 } 1537 1538 val = url_csr_read_2(sc, URL_PHYDAT); 1539 1540 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1541 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1542 1543 url_unlock_mii(sc); 1544 return (val); 1545 } 1546 1547 Static void 1548 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1549 { 1550 struct url_softc *sc = device_private(dev); 1551 1552 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1553 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1554 1555 if (sc->sc_dying) { 1556 #ifdef DIAGNOSTIC 1557 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1558 __func__); 1559 #endif 1560 return; 1561 } 1562 1563 url_lock_mii(sc); 1564 1565 url_csr_write_2(sc, URL_PHYDAT, data); 1566 url_csr_write_1(sc, URL_PHYADD, phy); 1567 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1568 1569 for (i=0; i < URL_TIMEOUT; i++) { 1570 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1571 break; 1572 } 1573 1574 if (i == URL_TIMEOUT) { 1575 printf("%s: MII write timed out\n", 1576 device_xname(sc->sc_dev)); 1577 } 1578 1579 url_unlock_mii(sc); 1580 return; 1581 } 1582 #endif 1583 1584
Indexes created Tue Sep 30 20:09:53 GMT 2025