if_url.c revision 1.24.4.2
1 /* $NetBSD: if_url.c,v 1.24.4.2 2007/03/24 14:55:49 yamt 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 1.24.4.2 2007/03/24 14:55:49 yamt Exp $"); 47 48 #include "opt_inet.h" 49 #include "bpfilter.h" 50 #include "rnd.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/lock.h> 55 #include <sys/mbuf.h> 56 #include <sys/kernel.h> 57 #include <sys/socket.h> 58 59 #include <sys/device.h> 60 #if NRND > 0 61 #include <sys/rnd.h> 62 #endif 63 64 #include <net/if.h> 65 #include <net/if_arp.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 73 74 #include <net/if_ether.h> 75 #ifdef INET 76 #include <netinet/in.h> 77 #include <netinet/if_inarp.h> 78 #endif 79 80 #include <dev/mii/mii.h> 81 #include <dev/mii/miivar.h> 82 #include <dev/mii/urlphyreg.h> 83 84 #include <dev/usb/usb.h> 85 #include <dev/usb/usbdi.h> 86 #include <dev/usb/usbdi_util.h> 87 #include <dev/usb/usbdevs.h> 88 89 #include <dev/usb/if_urlreg.h> 90 91 92 /* Function declarations */ 93 USB_DECLARE_DRIVER(url); 94 95 Static int url_openpipes(struct url_softc *); 96 Static int url_rx_list_init(struct url_softc *); 97 Static int url_tx_list_init(struct url_softc *); 98 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 99 Static void url_start(struct ifnet *); 100 Static int url_send(struct url_softc *, struct mbuf *, int); 101 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 102 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 103 Static void url_tick(void *); 104 Static void url_tick_task(void *); 105 Static int url_ioctl(struct ifnet *, u_long, void *); 106 Static void url_stop_task(struct url_softc *); 107 Static void url_stop(struct ifnet *, int); 108 Static void url_watchdog(struct ifnet *); 109 Static int url_ifmedia_change(struct ifnet *); 110 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 111 Static void url_lock_mii(struct url_softc *); 112 Static void url_unlock_mii(struct url_softc *); 113 Static int url_int_miibus_readreg(device_ptr_t, int, int); 114 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 115 Static void url_miibus_statchg(device_ptr_t); 116 Static int url_init(struct ifnet *); 117 Static void url_setmulti(struct url_softc *); 118 Static void url_reset(struct url_softc *); 119 120 Static int url_csr_read_1(struct url_softc *, int); 121 Static int url_csr_read_2(struct url_softc *, int); 122 Static int url_csr_write_1(struct url_softc *, int, int); 123 Static int url_csr_write_2(struct url_softc *, int, int); 124 Static int url_csr_write_4(struct url_softc *, int, int); 125 Static int url_mem(struct url_softc *, int, int, void *, int); 126 127 /* Macros */ 128 #ifdef URL_DEBUG 129 #define DPRINTF(x) if (urldebug) logprintf x 130 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x 131 int urldebug = 0; 132 #else 133 #define DPRINTF(x) 134 #define DPRINTFN(n,x) 135 #endif 136 137 #define URL_SETBIT(sc, reg, x) \ 138 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 139 140 #define URL_SETBIT2(sc, reg, x) \ 141 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 142 143 #define URL_CLRBIT(sc, reg, x) \ 144 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 145 146 #define URL_CLRBIT2(sc, reg, x) \ 147 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 148 149 static const struct url_type { 150 struct usb_devno url_dev; 151 u_int16_t url_flags; 152 #define URL_EXT_PHY 0x0001 153 } url_devs [] = { 154 /* MELCO LUA-KTX */ 155 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 156 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 157 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 158 /* Longshine LCS-8138TX */ 159 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 160 /* Micronet SP128AR */ 161 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 162 /* OQO model 01 */ 163 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 164 }; 165 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 166 167 168 /* Probe */ 169 USB_MATCH(url) 170 { 171 USB_MATCH_START(url, uaa); 172 173 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 174 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 175 } 176 /* Attach */ 177 USB_ATTACH(url) 178 { 179 USB_ATTACH_START(url, sc, uaa); 180 usbd_device_handle dev = uaa->device; 181 usbd_interface_handle iface; 182 usbd_status err; 183 usb_interface_descriptor_t *id; 184 usb_endpoint_descriptor_t *ed; 185 char *devinfop; 186 char *devname = USBDEVNAME(sc->sc_dev); 187 struct ifnet *ifp; 188 struct mii_data *mii; 189 u_char eaddr[ETHER_ADDR_LEN]; 190 int i, s; 191 192 devinfop = usbd_devinfo_alloc(dev, 0); 193 USB_ATTACH_SETUP; 194 printf("%s: %s\n", devname, devinfop); 195 usbd_devinfo_free(devinfop); 196 197 /* Move the device into the configured state. */ 198 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 199 if (err) { 200 printf("%s: setting config no failed\n", devname); 201 goto bad; 202 } 203 204 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 205 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0); 206 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 207 208 /* get control interface */ 209 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 210 if (err) { 211 printf("%s: failed to get interface, err=%s\n", devname, 212 usbd_errstr(err)); 213 goto bad; 214 } 215 216 sc->sc_udev = dev; 217 sc->sc_ctl_iface = iface; 218 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 219 220 /* get interface descriptor */ 221 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 222 223 /* find endpoints */ 224 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 225 for (i = 0; i < id->bNumEndpoints; i++) { 226 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 227 if (ed == NULL) { 228 printf("%s: couldn't get endpoint %d\n", devname, 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 printf("%s: missing endpoint\n", devname); 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 printf("%s: read MAC address failed\n", devname); 258 splx(s); 259 goto bad; 260 } 261 262 /* Print Ethernet Address */ 263 printf("%s: Ethernet address %s\n", devname, 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, devname, 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 ifmedia_init(&mii->mii_media, 0, 295 url_ifmedia_change, url_ifmedia_status); 296 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 297 if (LIST_FIRST(&mii->mii_phys) == NULL) { 298 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 299 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 300 } else 301 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 302 303 /* attach the interface */ 304 if_attach(ifp); 305 Ether_ifattach(ifp, eaddr); 306 307 #if NRND > 0 308 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0); 309 #endif 310 311 usb_callout_init(sc->sc_stat_ch); 312 sc->sc_attached = 1; 313 splx(s); 314 315 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 316 317 USB_ATTACH_SUCCESS_RETURN; 318 319 bad: 320 sc->sc_dying = 1; 321 USB_ATTACH_ERROR_RETURN; 322 } 323 324 /* detach */ 325 USB_DETACH(url) 326 { 327 USB_DETACH_START(url, sc); 328 struct ifnet *ifp = GET_IFP(sc); 329 int s; 330 331 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 332 333 /* Detached before attached finished */ 334 if (!sc->sc_attached) 335 return (0); 336 337 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 338 339 /* Remove any pending tasks */ 340 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 341 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 342 343 s = splusb(); 344 345 if (--sc->sc_refcnt >= 0) { 346 /* Wait for processes to go away */ 347 usb_detach_wait(USBDEV(sc->sc_dev)); 348 } 349 350 if (ifp->if_flags & IFF_RUNNING) 351 url_stop(GET_IFP(sc), 1); 352 353 #if NRND > 0 354 rnd_detach_source(&sc->rnd_source); 355 #endif 356 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 357 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 358 ether_ifdetach(ifp); 359 if_detach(ifp); 360 361 #ifdef DIAGNOSTIC 362 if (sc->sc_pipe_tx != NULL) 363 printf("%s: detach has active tx endpoint.\n", 364 USBDEVNAME(sc->sc_dev)); 365 if (sc->sc_pipe_rx != NULL) 366 printf("%s: detach has active rx endpoint.\n", 367 USBDEVNAME(sc->sc_dev)); 368 if (sc->sc_pipe_intr != NULL) 369 printf("%s: detach has active intr endpoint.\n", 370 USBDEVNAME(sc->sc_dev)); 371 #endif 372 373 sc->sc_attached = 0; 374 375 splx(s); 376 377 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 u_char *eaddr; 508 int i, 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 = LLADDR(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 mii_mediachg(mii); 565 566 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 567 if (url_openpipes(sc)) { 568 splx(s); 569 return (EIO); 570 } 571 } 572 573 ifp->if_flags |= IFF_RUNNING; 574 ifp->if_flags &= ~IFF_OACTIVE; 575 576 splx(s); 577 578 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 579 580 return (0); 581 } 582 583 Static void 584 url_reset(struct url_softc *sc) 585 { 586 int i; 587 588 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 589 590 if (sc->sc_dying) 591 return; 592 593 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 594 595 for (i = 0; i < URL_TX_TIMEOUT; i++) { 596 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 597 break; 598 delay(10); /* XXX */ 599 } 600 601 delay(10000); /* XXX */ 602 } 603 604 int 605 url_activate(device_ptr_t self, enum devact act) 606 { 607 struct url_softc *sc = (struct url_softc *)self; 608 609 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 610 __func__, act)); 611 612 switch (act) { 613 case DVACT_ACTIVATE: 614 return (EOPNOTSUPP); 615 break; 616 617 case DVACT_DEACTIVATE: 618 if_deactivate(&sc->sc_ec.ec_if); 619 sc->sc_dying = 1; 620 break; 621 } 622 623 return (0); 624 } 625 626 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 627 628 629 Static void 630 url_setmulti(struct url_softc *sc) 631 { 632 struct ifnet *ifp; 633 struct ether_multi *enm; 634 struct ether_multistep step; 635 u_int32_t hashes[2] = { 0, 0 }; 636 int h = 0; 637 int mcnt = 0; 638 639 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 640 641 if (sc->sc_dying) 642 return; 643 644 ifp = GET_IFP(sc); 645 646 if (ifp->if_flags & IFF_PROMISC) { 647 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 648 return; 649 } else if (ifp->if_flags & IFF_ALLMULTI) { 650 allmulti: 651 ifp->if_flags |= IFF_ALLMULTI; 652 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 653 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 654 return; 655 } 656 657 /* first, zot all the existing hash bits */ 658 url_csr_write_4(sc, URL_MAR0, 0); 659 url_csr_write_4(sc, URL_MAR4, 0); 660 661 /* now program new ones */ 662 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 663 while (enm != NULL) { 664 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 665 ETHER_ADDR_LEN) != 0) 666 goto allmulti; 667 668 h = url_calchash(enm->enm_addrlo); 669 if (h < 32) 670 hashes[0] |= (1 << h); 671 else 672 hashes[1] |= (1 << (h -32)); 673 mcnt++; 674 ETHER_NEXT_MULTI(step, enm); 675 } 676 677 ifp->if_flags &= ~IFF_ALLMULTI; 678 679 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 680 681 if (mcnt){ 682 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 683 } else { 684 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 685 } 686 url_csr_write_4(sc, URL_MAR0, hashes[0]); 687 url_csr_write_4(sc, URL_MAR4, hashes[1]); 688 } 689 690 Static int 691 url_openpipes(struct url_softc *sc) 692 { 693 struct url_chain *c; 694 usbd_status err; 695 int i; 696 int error = 0; 697 698 if (sc->sc_dying) 699 return (EIO); 700 701 sc->sc_refcnt++; 702 703 /* Open RX pipe */ 704 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 705 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 706 if (err) { 707 printf("%s: open rx pipe failed: %s\n", 708 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 709 error = EIO; 710 goto done; 711 } 712 713 /* Open TX pipe */ 714 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 715 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 716 if (err) { 717 printf("%s: open tx pipe failed: %s\n", 718 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 719 error = EIO; 720 goto done; 721 } 722 723 #if 0 724 /* XXX: interrupt endpoint is not yet supported */ 725 /* Open Interrupt pipe */ 726 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 727 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 728 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 729 url_intr, USBD_DEFAULT_INTERVAL); 730 if (err) { 731 printf("%s: open intr pipe failed: %s\n", 732 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 733 error = EIO; 734 goto done; 735 } 736 #endif 737 738 739 /* Start up the receive pipe. */ 740 for (i = 0; i < URL_RX_LIST_CNT; i++) { 741 c = &sc->sc_cdata.url_rx_chain[i]; 742 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 743 c, c->url_buf, URL_BUFSZ, 744 USBD_SHORT_XFER_OK | USBD_NO_COPY, 745 USBD_NO_TIMEOUT, url_rxeof); 746 (void)usbd_transfer(c->url_xfer); 747 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 748 __func__)); 749 } 750 751 done: 752 if (--sc->sc_refcnt < 0) 753 usb_detach_wakeup(USBDEV(sc->sc_dev)); 754 755 return (error); 756 } 757 758 Static int 759 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 760 { 761 struct mbuf *m_new = NULL; 762 763 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 764 765 if (m == NULL) { 766 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 767 if (m_new == NULL) { 768 printf("%s: no memory for rx list " 769 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 770 return (ENOBUFS); 771 } 772 MCLGET(m_new, M_DONTWAIT); 773 if (!(m_new->m_flags & M_EXT)) { 774 printf("%s: no memory for rx list " 775 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 776 m_freem(m_new); 777 return (ENOBUFS); 778 } 779 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 780 } else { 781 m_new = m; 782 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 783 m_new->m_data = m_new->m_ext.ext_buf; 784 } 785 786 m_adj(m_new, ETHER_ALIGN); 787 c->url_mbuf = m_new; 788 789 return (0); 790 } 791 792 793 Static int 794 url_rx_list_init(struct url_softc *sc) 795 { 796 struct url_cdata *cd; 797 struct url_chain *c; 798 int i; 799 800 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 801 802 cd = &sc->sc_cdata; 803 for (i = 0; i < URL_RX_LIST_CNT; i++) { 804 c = &cd->url_rx_chain[i]; 805 c->url_sc = sc; 806 c->url_idx = i; 807 if (url_newbuf(sc, c, NULL) == ENOBUFS) 808 return (ENOBUFS); 809 if (c->url_xfer == NULL) { 810 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 811 if (c->url_xfer == NULL) 812 return (ENOBUFS); 813 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 814 if (c->url_buf == NULL) { 815 usbd_free_xfer(c->url_xfer); 816 return (ENOBUFS); 817 } 818 } 819 } 820 821 return (0); 822 } 823 824 Static int 825 url_tx_list_init(struct url_softc *sc) 826 { 827 struct url_cdata *cd; 828 struct url_chain *c; 829 int i; 830 831 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 832 833 cd = &sc->sc_cdata; 834 for (i = 0; i < URL_TX_LIST_CNT; i++) { 835 c = &cd->url_tx_chain[i]; 836 c->url_sc = sc; 837 c->url_idx = i; 838 c->url_mbuf = NULL; 839 if (c->url_xfer == NULL) { 840 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 841 if (c->url_xfer == NULL) 842 return (ENOBUFS); 843 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 844 if (c->url_buf == NULL) { 845 usbd_free_xfer(c->url_xfer); 846 return (ENOBUFS); 847 } 848 } 849 } 850 851 return (0); 852 } 853 854 Static void 855 url_start(struct ifnet *ifp) 856 { 857 struct url_softc *sc = ifp->if_softc; 858 struct mbuf *m_head = NULL; 859 860 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 861 __func__, sc->sc_link)); 862 863 if (sc->sc_dying) 864 return; 865 866 if (!sc->sc_link) 867 return; 868 869 if (ifp->if_flags & IFF_OACTIVE) 870 return; 871 872 IFQ_POLL(&ifp->if_snd, m_head); 873 if (m_head == NULL) 874 return; 875 876 if (url_send(sc, m_head, 0)) { 877 ifp->if_flags |= IFF_OACTIVE; 878 return; 879 } 880 881 IFQ_DEQUEUE(&ifp->if_snd, m_head); 882 883 #if NBPFILTER > 0 884 if (ifp->if_bpf) 885 bpf_mtap(ifp->if_bpf, m_head); 886 #endif 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", USBDEVNAME(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_wakeup(USBDEV(sc->sc_dev)); 924 if (err != USBD_IN_PROGRESS) { 925 printf("%s: url_send error=%s\n", USBDEVNAME(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", USBDEVNAME(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", USBDEVNAME(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", USBDEVNAME(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_wakeup(USBDEV(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", USBDEVNAME(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 USBDEVNAME(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_wakeup(USBDEV(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 USBDEVNAME(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 #if NBPFILTER > 0 1063 if (ifp->if_bpf) 1064 BPF_MTAP(ifp, m); 1065 #endif 1066 1067 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1068 __func__, m->m_len)); 1069 IF_INPUT(ifp, m); 1070 1071 done1: 1072 splx(s); 1073 1074 done: 1075 /* Setup new transfer */ 1076 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1077 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1078 USBD_NO_TIMEOUT, url_rxeof); 1079 sc->sc_refcnt++; 1080 usbd_transfer(xfer); 1081 if (--sc->sc_refcnt < 0) 1082 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1083 1084 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1085 } 1086 1087 #if 0 1088 Static void url_intr() 1089 { 1090 } 1091 #endif 1092 1093 Static int 1094 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1095 { 1096 struct url_softc *sc = ifp->if_softc; 1097 struct ifreq *ifr = (struct ifreq *)data; 1098 struct mii_data *mii; 1099 int s, error = 0; 1100 1101 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1102 1103 if (sc->sc_dying) 1104 return (EIO); 1105 1106 s = splnet(); 1107 1108 switch (cmd) { 1109 case SIOCGIFMEDIA: 1110 case SIOCSIFMEDIA: 1111 mii = GET_MII(sc); 1112 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1113 break; 1114 1115 default: 1116 error = ether_ioctl(ifp, cmd, data); 1117 if (error == ENETRESET) { 1118 if (ifp->if_flags & IFF_RUNNING) 1119 url_setmulti(sc); 1120 error = 0; 1121 } 1122 break; 1123 } 1124 1125 splx(s); 1126 1127 return (error); 1128 } 1129 1130 Static void 1131 url_watchdog(struct ifnet *ifp) 1132 { 1133 struct url_softc *sc = ifp->if_softc; 1134 struct url_chain *c; 1135 usbd_status stat; 1136 int s; 1137 1138 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1139 1140 ifp->if_oerrors++; 1141 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1142 1143 s = splusb(); 1144 c = &sc->sc_cdata.url_tx_chain[0]; 1145 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1146 url_txeof(c->url_xfer, c, stat); 1147 1148 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1149 url_start(ifp); 1150 splx(s); 1151 } 1152 1153 Static void 1154 url_stop_task(struct url_softc *sc) 1155 { 1156 url_stop(GET_IFP(sc), 1); 1157 } 1158 1159 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1160 Static void 1161 url_stop(struct ifnet *ifp, int disable) 1162 { 1163 struct url_softc *sc = ifp->if_softc; 1164 usbd_status err; 1165 int i; 1166 1167 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1168 1169 ifp->if_timer = 0; 1170 1171 url_reset(sc); 1172 1173 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1174 1175 /* Stop transfers */ 1176 /* RX endpoint */ 1177 if (sc->sc_pipe_rx != NULL) { 1178 err = usbd_abort_pipe(sc->sc_pipe_rx); 1179 if (err) 1180 printf("%s: abort rx pipe failed: %s\n", 1181 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1182 err = usbd_close_pipe(sc->sc_pipe_rx); 1183 if (err) 1184 printf("%s: close rx pipe failed: %s\n", 1185 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1186 sc->sc_pipe_rx = NULL; 1187 } 1188 1189 /* TX endpoint */ 1190 if (sc->sc_pipe_tx != NULL) { 1191 err = usbd_abort_pipe(sc->sc_pipe_tx); 1192 if (err) 1193 printf("%s: abort tx pipe failed: %s\n", 1194 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1195 err = usbd_close_pipe(sc->sc_pipe_tx); 1196 if (err) 1197 printf("%s: close tx pipe failed: %s\n", 1198 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1199 sc->sc_pipe_tx = NULL; 1200 } 1201 1202 #if 0 1203 /* XXX: Interrupt endpoint is not yet supported!! */ 1204 /* Interrupt endpoint */ 1205 if (sc->sc_pipe_intr != NULL) { 1206 err = usbd_abort_pipe(sc->sc_pipe_intr); 1207 if (err) 1208 printf("%s: abort intr pipe failed: %s\n", 1209 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1210 err = usbd_close_pipe(sc->sc_pipe_intr); 1211 if (err) 1212 printf("%s: close intr pipe failed: %s\n", 1213 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1214 sc->sc_pipe_intr = NULL; 1215 } 1216 #endif 1217 1218 /* Free RX resources. */ 1219 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1220 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1221 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1222 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1223 } 1224 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1225 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1226 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1227 } 1228 } 1229 1230 /* Free TX resources. */ 1231 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1232 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1233 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1234 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1235 } 1236 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1237 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1238 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1239 } 1240 } 1241 1242 sc->sc_link = 0; 1243 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1244 } 1245 1246 /* Set media options */ 1247 Static int 1248 url_ifmedia_change(struct ifnet *ifp) 1249 { 1250 struct url_softc *sc = ifp->if_softc; 1251 struct mii_data *mii = GET_MII(sc); 1252 1253 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1254 1255 if (sc->sc_dying) 1256 return (0); 1257 1258 sc->sc_link = 0; 1259 if (mii->mii_instance) { 1260 struct mii_softc *miisc; 1261 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1262 miisc = LIST_NEXT(miisc, mii_list)) 1263 mii_phy_reset(miisc); 1264 } 1265 1266 return (mii_mediachg(mii)); 1267 } 1268 1269 /* Report current media status. */ 1270 Static void 1271 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1272 { 1273 struct url_softc *sc = ifp->if_softc; 1274 struct mii_data *mii = GET_MII(sc); 1275 1276 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1277 1278 if (sc->sc_dying) 1279 return; 1280 1281 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1282 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 1283 ifmr->ifm_status = 0; 1284 return; 1285 } 1286 1287 mii_pollstat(mii); 1288 ifmr->ifm_active = mii->mii_media_active; 1289 ifmr->ifm_status = mii->mii_media_status; 1290 } 1291 1292 Static void 1293 url_tick(void *xsc) 1294 { 1295 struct url_softc *sc = xsc; 1296 1297 if (sc == NULL) 1298 return; 1299 1300 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1301 __func__)); 1302 1303 if (sc->sc_dying) 1304 return; 1305 1306 /* Perform periodic stuff in process context */ 1307 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1308 } 1309 1310 Static void 1311 url_tick_task(void *xsc) 1312 { 1313 struct url_softc *sc = xsc; 1314 struct ifnet *ifp; 1315 struct mii_data *mii; 1316 int s; 1317 1318 if (sc == NULL) 1319 return; 1320 1321 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1322 __func__)); 1323 1324 if (sc->sc_dying) 1325 return; 1326 1327 ifp = GET_IFP(sc); 1328 mii = GET_MII(sc); 1329 1330 if (mii == NULL) 1331 return; 1332 1333 s = splnet(); 1334 1335 mii_tick(mii); 1336 if (!sc->sc_link) { 1337 mii_pollstat(mii); 1338 if (mii->mii_media_status & IFM_ACTIVE && 1339 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1340 DPRINTF(("%s: %s: got link\n", 1341 USBDEVNAME(sc->sc_dev), __func__)); 1342 sc->sc_link++; 1343 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1344 url_start(ifp); 1345 } 1346 } 1347 1348 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1349 1350 splx(s); 1351 } 1352 1353 /* Get exclusive access to the MII registers */ 1354 Static void 1355 url_lock_mii(struct url_softc *sc) 1356 { 1357 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1358 __func__)); 1359 1360 sc->sc_refcnt++; 1361 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL); 1362 } 1363 1364 Static void 1365 url_unlock_mii(struct url_softc *sc) 1366 { 1367 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1368 __func__)); 1369 1370 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL); 1371 if (--sc->sc_refcnt < 0) 1372 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1373 } 1374 1375 Static int 1376 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1377 { 1378 struct url_softc *sc; 1379 u_int16_t val; 1380 1381 if (dev == NULL) 1382 return (0); 1383 1384 sc = USBGETSOFTC(dev); 1385 1386 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1387 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1388 1389 if (sc->sc_dying) { 1390 #ifdef DIAGNOSTIC 1391 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1392 __func__); 1393 #endif 1394 return (0); 1395 } 1396 1397 /* XXX: one PHY only for the RTL8150 internal PHY */ 1398 if (phy != 0) { 1399 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1400 USBDEVNAME(sc->sc_dev), __func__, phy)); 1401 return (0); 1402 } 1403 1404 url_lock_mii(sc); 1405 1406 switch (reg) { 1407 case MII_BMCR: /* Control Register */ 1408 reg = URL_BMCR; 1409 break; 1410 case MII_BMSR: /* Status Register */ 1411 reg = URL_BMSR; 1412 break; 1413 case MII_PHYIDR1: 1414 case MII_PHYIDR2: 1415 val = 0; 1416 goto R_DONE; 1417 break; 1418 case MII_ANAR: /* Autonegotiation advertisement */ 1419 reg = URL_ANAR; 1420 break; 1421 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1422 reg = URL_ANLP; 1423 break; 1424 case URLPHY_MSR: /* Media Status Register */ 1425 reg = URL_MSR; 1426 break; 1427 default: 1428 printf("%s: %s: bad register %04x\n", 1429 USBDEVNAME(sc->sc_dev), __func__, reg); 1430 val = 0; 1431 goto R_DONE; 1432 break; 1433 } 1434 1435 if (reg == URL_MSR) 1436 val = url_csr_read_1(sc, reg); 1437 else 1438 val = url_csr_read_2(sc, reg); 1439 1440 R_DONE: 1441 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1442 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1443 1444 url_unlock_mii(sc); 1445 return (val); 1446 } 1447 1448 Static void 1449 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1450 { 1451 struct url_softc *sc; 1452 1453 if (dev == NULL) 1454 return; 1455 1456 sc = USBGETSOFTC(dev); 1457 1458 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1459 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1460 1461 if (sc->sc_dying) { 1462 #ifdef DIAGNOSTIC 1463 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1464 __func__); 1465 #endif 1466 return; 1467 } 1468 1469 /* XXX: one PHY only for the RTL8150 internal PHY */ 1470 if (phy != 0) { 1471 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1472 USBDEVNAME(sc->sc_dev), __func__, phy)); 1473 return; 1474 } 1475 1476 url_lock_mii(sc); 1477 1478 switch (reg) { 1479 case MII_BMCR: /* Control Register */ 1480 reg = URL_BMCR; 1481 break; 1482 case MII_BMSR: /* Status Register */ 1483 reg = URL_BMSR; 1484 break; 1485 case MII_PHYIDR1: 1486 case MII_PHYIDR2: 1487 goto W_DONE; 1488 break; 1489 case MII_ANAR: /* Autonegotiation advertisement */ 1490 reg = URL_ANAR; 1491 break; 1492 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1493 reg = URL_ANLP; 1494 break; 1495 case URLPHY_MSR: /* Media Status Register */ 1496 reg = URL_MSR; 1497 break; 1498 default: 1499 printf("%s: %s: bad register %04x\n", 1500 USBDEVNAME(sc->sc_dev), __func__, reg); 1501 goto W_DONE; 1502 break; 1503 } 1504 1505 if (reg == URL_MSR) 1506 url_csr_write_1(sc, reg, data); 1507 else 1508 url_csr_write_2(sc, reg, data); 1509 W_DONE: 1510 1511 url_unlock_mii(sc); 1512 return; 1513 } 1514 1515 Static void 1516 url_miibus_statchg(device_ptr_t dev) 1517 { 1518 #ifdef URL_DEBUG 1519 struct url_softc *sc; 1520 1521 if (dev == NULL) 1522 return; 1523 1524 sc = USBGETSOFTC(dev); 1525 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1526 #endif 1527 /* Nothing to do */ 1528 } 1529 1530 #if 0 1531 /* 1532 * external PHYs support, but not test. 1533 */ 1534 Static int 1535 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1536 { 1537 struct url_softc *sc = USBGETSOFTC(dev); 1538 u_int16_t val; 1539 1540 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1541 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1542 1543 if (sc->sc_dying) { 1544 #ifdef DIAGNOSTIC 1545 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1546 __func__); 1547 #endif 1548 return (0); 1549 } 1550 1551 url_lock_mii(sc); 1552 1553 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1554 /* 1555 * RTL8150L will initiate a MII management data transaction 1556 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1557 * this bit is auto cleared by TRL8150L. 1558 */ 1559 url_csr_write_1(sc, URL_PHYCNT, 1560 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1561 for (i = 0; i < URL_TIMEOUT; i++) { 1562 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1563 break; 1564 } 1565 if (i == URL_TIMEOUT) { 1566 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1567 } 1568 1569 val = url_csr_read_2(sc, URL_PHYDAT); 1570 1571 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1572 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1573 1574 url_unlock_mii(sc); 1575 return (val); 1576 } 1577 1578 Static void 1579 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1580 { 1581 struct url_softc *sc = USBGETSOFTC(dev); 1582 1583 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1584 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1585 1586 if (sc->sc_dying) { 1587 #ifdef DIAGNOSTIC 1588 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1589 __func__); 1590 #endif 1591 return; 1592 } 1593 1594 url_lock_mii(sc); 1595 1596 url_csr_write_2(sc, URL_PHYDAT, data); 1597 url_csr_write_1(sc, URL_PHYADD, phy); 1598 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1599 1600 for (i=0; i < URL_TIMEOUT; i++) { 1601 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1602 break; 1603 } 1604 1605 if (i == URL_TIMEOUT) { 1606 printf("%s: MII write timed out\n", 1607 USBDEVNAME(sc->sc_dev)); 1608 } 1609 1610 url_unlock_mii(sc); 1611 return; 1612 } 1613 #endif 1614 1615
Indexes created Wed Oct 01 19:09:53 GMT 2025