if_url.c revision 1.24.10.4
1 /* $NetBSD: if_url.c,v 1.24.10.4 2007/06/18 13:44:15 itohy 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 1.24.10.4 2007/06/18 13:44:15 itohy 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 #include <dev/usb/usb_ethersubr.h> 89 90 #include <dev/usb/if_urlreg.h> 91 92 93 /* Function declarations */ 94 USB_DECLARE_DRIVER(url); 95 96 Static int url_openpipes(struct url_softc *); 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, usb_ioctlarg_t); 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_ptr_t, int, int); 112 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 113 Static void url_miibus_statchg(device_ptr_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) logprintf x 128 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf 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 char zeros[URL_MIN_FRAME_LEN]; /* XXX */ 166 167 /* Probe */ 168 USB_MATCH(url) 169 { 170 USB_MATCH_START(url, uaa); 171 172 #ifndef USB_USE_IFATTACH 173 if (uaa->iface != NULL) 174 return (UMATCH_NONE); 175 #endif /* USB_USE_IFATTACH */ 176 177 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 178 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 179 } 180 /* Attach */ 181 USB_ATTACH(url) 182 { 183 USB_ATTACH_START(url, sc, uaa); 184 usbd_device_handle dev = uaa->device; 185 usbd_interface_handle iface; 186 usbd_status err; 187 usb_interface_descriptor_t *id; 188 usb_endpoint_descriptor_t *ed; 189 char *devinfop; 190 char *devname = USBDEVNAME(sc->sc_dev); 191 struct ifnet *ifp; 192 struct mii_data *mii; 193 u_char eaddr[ETHER_ADDR_LEN]; 194 int i, s; 195 196 devinfop = usbd_devinfo_alloc(dev, 0); 197 USB_ATTACH_SETUP; 198 printf("%s: %s\n", devname, 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 printf("%s: setting config no failed\n", devname); 205 goto bad; 206 } 207 208 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 209 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0); 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 printf("%s: failed to get interface, err=%s\n", devname, 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 printf("%s: couldn't get endpoint %d\n", devname, i); 233 goto bad; 234 } 235 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 236 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 237 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 238 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 239 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 240 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 241 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 242 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 243 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 244 } 245 246 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 247 sc->sc_intrin_no == -1) { 248 printf("%s: missing endpoint\n", devname); 249 goto bad; 250 } 251 252 s = splnet(); 253 254 /* reset the adapter */ 255 url_reset(sc); 256 257 /* Get Ethernet Address */ 258 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 259 ETHER_ADDR_LEN); 260 if (err) { 261 printf("%s: read MAC address failed\n", devname); 262 splx(s); 263 goto bad; 264 } 265 266 /* Print Ethernet Address */ 267 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr)); 268 269 /* initialize interface information */ 270 ifp = GET_IFP(sc); 271 ifp->if_softc = sc; 272 ifp->if_mtu = ETHERMTU; 273 strncpy(ifp->if_xname, devname, IFNAMSIZ); 274 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 275 ifp->if_start = url_start; 276 ifp->if_ioctl = url_ioctl; 277 ifp->if_watchdog = url_watchdog; 278 ifp->if_init = url_init; 279 ifp->if_stop = url_stop; 280 281 IFQ_SET_READY(&ifp->if_snd); 282 283 /* 284 * Do ifmedia setup. 285 */ 286 mii = &sc->sc_mii; 287 mii->mii_ifp = ifp; 288 mii->mii_readreg = url_int_miibus_readreg; 289 mii->mii_writereg = url_int_miibus_writereg; 290 #if 0 291 if (sc->sc_flags & URL_EXT_PHY) { 292 mii->mii_readreg = url_ext_miibus_readreg; 293 mii->mii_writereg = url_ext_miibus_writereg; 294 } 295 #endif 296 mii->mii_statchg = url_miibus_statchg; 297 mii->mii_flags = MIIF_AUTOTSLEEP; 298 ifmedia_init(&mii->mii_media, 0, 299 url_ifmedia_change, url_ifmedia_status); 300 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 301 if (LIST_FIRST(&mii->mii_phys) == NULL) { 302 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 303 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 304 } else 305 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 306 307 /* attach the interface */ 308 if_attach(ifp); 309 Ether_ifattach(ifp, eaddr); 310 311 #if NRND > 0 312 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0); 313 #endif 314 315 usb_callout_init(sc->sc_stat_ch); 316 sc->sc_attached = 1; 317 splx(s); 318 319 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 320 321 USB_ATTACH_SUCCESS_RETURN; 322 323 bad: 324 sc->sc_dying = 1; 325 USB_ATTACH_ERROR_RETURN; 326 } 327 328 /* detach */ 329 USB_DETACH(url) 330 { 331 USB_DETACH_START(url, sc); 332 struct ifnet *ifp = GET_IFP(sc); 333 int s; 334 335 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 336 337 /* Detached before attached finished */ 338 if (!sc->sc_attached) 339 return (0); 340 341 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 342 343 /* Remove any pending tasks */ 344 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 345 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 346 347 s = splusb(); 348 349 if (--sc->sc_refcnt >= 0) { 350 /* Wait for processes to go away */ 351 usb_detach_wait(USBDEV(sc->sc_dev)); 352 } 353 354 if (ifp->if_flags & IFF_RUNNING) 355 url_stop(ifp, 1); 356 357 #if NRND > 0 358 rnd_detach_source(&sc->rnd_source); 359 #endif 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 printf("%s: detach has active tx endpoint.\n", 368 USBDEVNAME(sc->sc_dev)); 369 if (sc->sc_pipe_rx != NULL) 370 printf("%s: detach has active rx endpoint.\n", 371 USBDEVNAME(sc->sc_dev)); 372 if (sc->sc_pipe_intr != NULL) 373 printf("%s: detach has active intr endpoint.\n", 374 USBDEVNAME(sc->sc_dev)); 375 #endif 376 377 sc->sc_attached = 0; 378 379 splx(s); 380 381 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 382 USBDEV(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", USBDEVNAME(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_wakeup(USBDEV(sc->sc_dev)); 416 if (err) { 417 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 418 USBDEVNAME(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", USBDEVNAME(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", USBDEVNAME(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", USBDEVNAME(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", USBDEVNAME(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", USBDEVNAME(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 u_char *eaddr; 512 int i, s; 513 struct ue_chain *c; 514 515 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 516 517 if (sc->sc_dying) 518 return (EIO); 519 520 s = splnet(); 521 522 /* Cancel pending I/O and free all TX/RX buffers */ 523 url_stop(ifp, 1); 524 525 eaddr = LLADDR(ifp->if_sadl); 526 for (i = 0; i < ETHER_ADDR_LEN; i++) 527 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 528 529 /* Init transmission control register */ 530 URL_CLRBIT(sc, URL_TCR, 531 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 532 URL_TCR_IFG1 | URL_TCR_IFG0 | 533 URL_TCR_NOCRC); 534 535 /* Init receive control register */ 536 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 537 if (ifp->if_flags & IFF_BROADCAST) 538 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 539 else 540 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 541 542 /* If we want promiscuous mode, accept all physical frames. */ 543 if (ifp->if_flags & IFF_PROMISC) 544 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 545 else 546 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 547 548 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 549 if (url_openpipes(sc)) { 550 splx(s); 551 return (EIO); 552 } 553 } 554 555 /* Initialize transmit ring */ 556 if (usb_ether_tx_list_init(USBDEV(sc->sc_dev), 557 sc->sc_cdata.url_tx_chain, URL_TX_LIST_CNT, 558 sc->sc_udev, sc->sc_pipe_tx, NULL)) { 559 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 560 splx(s); 561 return (EIO); 562 } 563 564 /* Initialize receive ring */ 565 if (usb_ether_rx_list_init(USBDEV(sc->sc_dev), 566 sc->sc_cdata.url_rx_chain, URL_RX_LIST_CNT, 567 sc->sc_udev, sc->sc_pipe_rx)) { 568 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 569 splx(s); 570 return (EIO); 571 } 572 573 /* Load the multicast filter */ 574 url_setmulti(sc); 575 576 /* Enable RX and TX */ 577 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 578 579 mii_mediachg(mii); 580 581 /* Start up the receive pipe. */ 582 for (i = 0; i < URL_RX_LIST_CNT; i++) { 583 c = &sc->sc_cdata.url_rx_chain[i]; 584 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 585 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_rx, 586 c, NULL /* XXX buf */, URL_BUFSZ, 587 USBD_SHORT_XFER_OK | USBD_NO_COPY, 588 USBD_NO_TIMEOUT, url_rxeof); 589 (void)usbd_transfer(c->ue_xfer); 590 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 591 __func__)); 592 } 593 594 ifp->if_flags |= IFF_RUNNING; 595 ifp->if_flags &= ~IFF_OACTIVE; 596 597 splx(s); 598 599 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 600 601 return (0); 602 } 603 604 Static void 605 url_reset(struct url_softc *sc) 606 { 607 int i; 608 609 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 610 611 if (sc->sc_dying) 612 return; 613 614 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 615 616 for (i = 0; i < URL_TX_TIMEOUT; i++) { 617 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 618 break; 619 delay(10); /* XXX */ 620 } 621 622 delay(10000); /* XXX */ 623 } 624 625 int 626 url_activate(device_ptr_t self, enum devact act) 627 { 628 struct url_softc *sc = (struct url_softc *)self; 629 630 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 631 __func__, act)); 632 633 switch (act) { 634 case DVACT_ACTIVATE: 635 return (EOPNOTSUPP); 636 break; 637 638 case DVACT_DEACTIVATE: 639 if_deactivate(&sc->sc_ec.ec_if); 640 sc->sc_dying = 1; 641 break; 642 } 643 644 return (0); 645 } 646 647 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 648 649 650 Static void 651 url_setmulti(struct url_softc *sc) 652 { 653 struct ifnet *ifp; 654 struct ether_multi *enm; 655 struct ether_multistep step; 656 u_int32_t hashes[2] = { 0, 0 }; 657 int h = 0; 658 int mcnt = 0; 659 660 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 661 662 if (sc->sc_dying) 663 return; 664 665 ifp = GET_IFP(sc); 666 667 if (ifp->if_flags & IFF_PROMISC) { 668 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 669 return; 670 } else if (ifp->if_flags & IFF_ALLMULTI) { 671 allmulti: 672 ifp->if_flags |= IFF_ALLMULTI; 673 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 674 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 675 return; 676 } 677 678 /* first, zot all the existing hash bits */ 679 url_csr_write_4(sc, URL_MAR0, 0); 680 url_csr_write_4(sc, URL_MAR4, 0); 681 682 /* now program new ones */ 683 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 684 while (enm != NULL) { 685 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 686 ETHER_ADDR_LEN) != 0) 687 goto allmulti; 688 689 h = url_calchash(enm->enm_addrlo); 690 if (h < 32) 691 hashes[0] |= (1 << h); 692 else 693 hashes[1] |= (1 << (h -32)); 694 mcnt++; 695 ETHER_NEXT_MULTI(step, enm); 696 } 697 698 ifp->if_flags &= ~IFF_ALLMULTI; 699 700 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 701 702 if (mcnt){ 703 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 704 } else { 705 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 706 } 707 url_csr_write_4(sc, URL_MAR0, hashes[0]); 708 url_csr_write_4(sc, URL_MAR4, hashes[1]); 709 } 710 711 Static int 712 url_openpipes(struct url_softc *sc) 713 { 714 usbd_status err; 715 int error = 0; 716 717 if (sc->sc_dying) 718 return (EIO); 719 720 sc->sc_refcnt++; 721 722 /* Open RX pipe */ 723 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 724 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 725 if (err) { 726 printf("%s: open rx pipe failed: %s\n", 727 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 728 error = EIO; 729 goto done; 730 } 731 732 /* Open TX pipe */ 733 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 734 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 735 if (err) { 736 printf("%s: open tx pipe failed: %s\n", 737 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 738 error = EIO; 739 goto done; 740 } 741 742 #if 0 743 /* XXX: interrupt endpoint is not yet supported */ 744 /* Open Interrupt pipe */ 745 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 746 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 747 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 748 url_intr, USBD_DEFAULT_INTERVAL); 749 if (err) { 750 printf("%s: open intr pipe failed: %s\n", 751 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 752 error = EIO; 753 goto done; 754 } 755 #endif 756 757 done: 758 if (--sc->sc_refcnt < 0) 759 usb_detach_wakeup(USBDEV(sc->sc_dev)); 760 761 return (error); 762 } 763 764 Static void 765 url_start(struct ifnet *ifp) 766 { 767 struct url_softc *sc = ifp->if_softc; 768 struct mbuf *m_head = NULL; 769 770 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 771 __func__, sc->sc_link)); 772 773 if (sc->sc_dying) 774 return; 775 776 if (!sc->sc_link) 777 return; 778 779 if (ifp->if_flags & IFF_OACTIVE) 780 return; 781 782 IFQ_POLL(&ifp->if_snd, m_head); 783 if (m_head == NULL) 784 return; 785 786 IFQ_DEQUEUE(&ifp->if_snd, m_head); 787 788 #if NBPFILTER > 0 789 if (ifp->if_bpf) 790 bpf_mtap(ifp->if_bpf, m_head); 791 #endif 792 793 if (url_send(sc, m_head, 0)) { 794 ifp->if_flags |= IFF_OACTIVE; 795 return; 796 } 797 798 ifp->if_flags |= IFF_OACTIVE; 799 800 /* Set a timeout in case the chip goes out to lunch. */ 801 ifp->if_timer = 5; 802 } 803 804 Static int 805 url_send(struct url_softc *sc, struct mbuf *m, int idx) 806 { 807 int total_len; 808 struct ue_chain *c; 809 usbd_status err; 810 int ret; 811 812 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 813 814 c = &sc->sc_cdata.url_tx_chain[idx]; 815 816 total_len = m->m_pkthdr.len; 817 818 if (total_len < URL_MIN_FRAME_LEN) { 819 /* expand mbuf chain with zeros */ 820 m_copyback(m, total_len, URL_MIN_FRAME_LEN - total_len, 821 zeros); 822 total_len = URL_MIN_FRAME_LEN; 823 if (m->m_pkthdr.len != total_len) { 824 m_freem(m); 825 return (ENOBUFS); 826 } 827 } 828 829 ret = usb_ether_map_tx_buffer_mbuf(c, m); 830 if (ret) { 831 m_freem(m); 832 return (ret); 833 } 834 835 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_tx, c, NULL /* XXX buf */, total_len, 836 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 837 URL_TX_TIMEOUT, url_txeof); 838 839 /* Transmit */ 840 sc->sc_refcnt++; 841 err = usbd_transfer(c->ue_xfer); 842 if (--sc->sc_refcnt < 0) 843 usb_detach_wakeup(USBDEV(sc->sc_dev)); 844 if (err != USBD_IN_PROGRESS) { 845 c->ue_mbuf = NULL; 846 m_freem(m); 847 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 848 usbd_errstr(err)); 849 /* Stop the interface */ 850 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 851 USB_TASKQ_DRIVER); 852 return (EIO); 853 } 854 855 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 856 __func__, total_len)); 857 858 sc->sc_cdata.url_tx_cnt++; 859 860 return (0); 861 } 862 863 Static void 864 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 865 usbd_status status) 866 { 867 struct ue_chain *c = priv; 868 struct url_softc *sc = (void *)c->ue_dev; 869 struct ifnet *ifp = GET_IFP(sc); 870 int s; 871 872 if (sc->sc_dying) 873 return; 874 875 s = splnet(); 876 877 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 878 879 ifp->if_timer = 0; 880 ifp->if_flags &= ~IFF_OACTIVE; 881 882 usbd_unmap_buffer(xfer); 883 884 if (status != USBD_NORMAL_COMPLETION) { 885 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 886 splx(s); 887 return; 888 } 889 ifp->if_oerrors++; 890 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 891 usbd_errstr(status)); 892 if (status == USBD_STALLED) { 893 sc->sc_refcnt++; 894 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 895 if (--sc->sc_refcnt < 0) 896 usb_detach_wakeup(USBDEV(sc->sc_dev)); 897 } 898 splx(s); 899 return; 900 } 901 902 ifp->if_opackets++; 903 904 m_freem(c->ue_mbuf); 905 c->ue_mbuf = NULL; 906 907 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 908 url_start(ifp); 909 910 splx(s); 911 } 912 913 Static void 914 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 915 { 916 struct ue_chain *c = priv; 917 struct url_softc *sc = (void *)c->ue_dev; 918 struct ifnet *ifp = GET_IFP(sc); 919 struct mbuf *m; 920 u_int32_t total_len; 921 url_rxhdr_t rxhdr; 922 int s; 923 924 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 925 926 if (sc->sc_dying) 927 return; 928 929 usbd_unmap_buffer(xfer); 930 931 if (status != USBD_NORMAL_COMPLETION) { 932 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 933 return; 934 sc->sc_rx_errs++; 935 if (usbd_ratecheck(&sc->sc_rx_notice)) { 936 printf("%s: %u usb errors on rx: %s\n", 937 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 938 usbd_errstr(status)); 939 sc->sc_rx_errs = 0; 940 } 941 if (status == USBD_STALLED) { 942 sc->sc_refcnt++; 943 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 944 if (--sc->sc_refcnt < 0) 945 usb_detach_wakeup(USBDEV(sc->sc_dev)); 946 } 947 goto done; 948 } 949 950 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 951 952 if (total_len <= ETHER_CRC_LEN) { 953 ifp->if_ierrors++; 954 goto done; 955 } 956 957 m = c->ue_mbuf; 958 959 memcpy(&rxhdr, mtod(m, char *) + total_len - ETHER_CRC_LEN, 960 sizeof(rxhdr)); 961 962 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 963 USBDEVNAME(sc->sc_dev), 964 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 965 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 966 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 967 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 968 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 969 970 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 971 ifp->if_ierrors++; 972 goto done; 973 } 974 975 /* 976 * Allocate new mbuf cluster for the next transfer. 977 * If that failed, discard current packet and recycle the mbuf. 978 */ 979 if ((c->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 980 printf("%s: no memory for rx list -- packet dropped!\n", 981 USBDEVNAME(sc->sc_dev)); 982 ifp->if_ierrors++; 983 c->ue_mbuf = usb_ether_newbuf(m); 984 goto done; 985 } 986 987 ifp->if_ipackets++; 988 total_len -= ETHER_CRC_LEN; 989 990 m->m_pkthdr.len = m->m_len = total_len; 991 m->m_pkthdr.rcvif = ifp; 992 993 s = splnet(); 994 995 #if NBPFILTER > 0 996 if (ifp->if_bpf) 997 BPF_MTAP(ifp, m); 998 #endif 999 1000 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1001 __func__, m->m_len)); 1002 IF_INPUT(ifp, m); 1003 1004 splx(s); 1005 1006 done: 1007 /* Setup new transfer */ 1008 (void)usbd_map_buffer_mbuf(xfer, c->ue_mbuf); 1009 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, NULL /* XXX buf */, URL_BUFSZ, 1010 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1011 USBD_NO_TIMEOUT, url_rxeof); 1012 sc->sc_refcnt++; 1013 usbd_transfer(xfer); 1014 if (--sc->sc_refcnt < 0) 1015 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1016 1017 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1018 } 1019 1020 #if 0 1021 Static void url_intr() 1022 { 1023 } 1024 #endif 1025 1026 Static int 1027 url_ioctl(struct ifnet *ifp, u_long cmd, usb_ioctlarg_t data) 1028 { 1029 struct url_softc *sc = ifp->if_softc; 1030 struct ifreq *ifr = (struct ifreq *)data; 1031 struct mii_data *mii; 1032 int s, error = 0; 1033 1034 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1035 1036 if (sc->sc_dying) 1037 return (EIO); 1038 1039 s = splnet(); 1040 1041 switch (cmd) { 1042 case SIOCGIFMEDIA: 1043 case SIOCSIFMEDIA: 1044 mii = GET_MII(sc); 1045 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1046 break; 1047 1048 default: 1049 error = ether_ioctl(ifp, cmd, data); 1050 if (error == ENETRESET) { 1051 if (ifp->if_flags & IFF_RUNNING) 1052 url_setmulti(sc); 1053 error = 0; 1054 } 1055 break; 1056 } 1057 1058 splx(s); 1059 1060 return (error); 1061 } 1062 1063 Static void 1064 url_watchdog(struct ifnet *ifp) 1065 { 1066 struct url_softc *sc = ifp->if_softc; 1067 struct ue_chain *c; 1068 usbd_status stat; 1069 int s; 1070 1071 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1072 1073 ifp->if_oerrors++; 1074 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1075 1076 s = splusb(); 1077 c = &sc->sc_cdata.url_tx_chain[0]; 1078 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat); 1079 url_txeof(c->ue_xfer, c, stat); 1080 1081 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1082 url_start(ifp); 1083 splx(s); 1084 } 1085 1086 Static void 1087 url_stop_task(struct url_softc *sc) 1088 { 1089 url_stop(GET_IFP(sc), 1); 1090 } 1091 1092 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1093 Static void 1094 url_stop(struct ifnet *ifp, int disable) 1095 { 1096 struct url_softc *sc = ifp->if_softc; 1097 usbd_status err; 1098 1099 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1100 1101 ifp->if_timer = 0; 1102 1103 url_reset(sc); 1104 1105 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1106 1107 /* Stop transfers */ 1108 /* RX endpoint */ 1109 if (sc->sc_pipe_rx != NULL) { 1110 err = usbd_abort_pipe(sc->sc_pipe_rx); 1111 if (err) 1112 printf("%s: abort rx pipe failed: %s\n", 1113 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1114 } 1115 1116 /* TX endpoint */ 1117 if (sc->sc_pipe_tx != NULL) { 1118 err = usbd_abort_pipe(sc->sc_pipe_tx); 1119 if (err) 1120 printf("%s: abort tx pipe failed: %s\n", 1121 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1122 } 1123 1124 #if 0 1125 /* XXX: Interrupt endpoint is not yet supported!! */ 1126 /* Interrupt endpoint */ 1127 if (sc->sc_pipe_intr != NULL) { 1128 err = usbd_abort_pipe(sc->sc_pipe_intr); 1129 if (err) 1130 printf("%s: abort intr pipe failed: %s\n", 1131 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1132 #endif 1133 1134 /* Free RX/TX resources. */ 1135 usb_ether_rx_list_free(sc->sc_cdata.url_rx_chain, URL_RX_LIST_CNT); 1136 usb_ether_tx_list_free(sc->sc_cdata.url_tx_chain, URL_TX_LIST_CNT); 1137 1138 /* Close pipes. */ 1139 /* RX endpoint */ 1140 if (sc->sc_pipe_rx != NULL) { 1141 err = usbd_close_pipe(sc->sc_pipe_rx); 1142 if (err) 1143 printf("%s: close rx pipe failed: %s\n", 1144 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1145 sc->sc_pipe_rx = NULL; 1146 } 1147 1148 /* TX endpoint */ 1149 if (sc->sc_pipe_tx != NULL) { 1150 err = usbd_close_pipe(sc->sc_pipe_tx); 1151 if (err) 1152 printf("%s: close tx pipe failed: %s\n", 1153 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1154 sc->sc_pipe_tx = NULL; 1155 } 1156 1157 #if 0 1158 /* XXX: Interrupt endpoint is not yet supported!! */ 1159 /* Interrupt endpoint */ 1160 if (sc->sc_pipe_intr != NULL) { 1161 err = usbd_close_pipe(sc->sc_pipe_intr); 1162 if (err) 1163 printf("%s: close intr pipe failed: %s\n", 1164 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1165 sc->sc_pipe_intr = NULL; 1166 } 1167 #endif 1168 1169 sc->sc_link = 0; 1170 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1171 } 1172 1173 /* Set media options */ 1174 Static int 1175 url_ifmedia_change(struct ifnet *ifp) 1176 { 1177 struct url_softc *sc = ifp->if_softc; 1178 struct mii_data *mii = GET_MII(sc); 1179 1180 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1181 1182 if (sc->sc_dying) 1183 return (0); 1184 1185 sc->sc_link = 0; 1186 if (mii->mii_instance) { 1187 struct mii_softc *miisc; 1188 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1189 miisc = LIST_NEXT(miisc, mii_list)) 1190 mii_phy_reset(miisc); 1191 } 1192 1193 return (mii_mediachg(mii)); 1194 } 1195 1196 /* Report current media status. */ 1197 Static void 1198 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1199 { 1200 struct url_softc *sc = ifp->if_softc; 1201 struct mii_data *mii = GET_MII(sc); 1202 1203 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1204 1205 if (sc->sc_dying) 1206 return; 1207 1208 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1209 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 1210 ifmr->ifm_status = 0; 1211 return; 1212 } 1213 1214 mii_pollstat(mii); 1215 ifmr->ifm_active = mii->mii_media_active; 1216 ifmr->ifm_status = mii->mii_media_status; 1217 } 1218 1219 Static void 1220 url_tick(void *xsc) 1221 { 1222 struct url_softc *sc = xsc; 1223 1224 if (sc == NULL) 1225 return; 1226 1227 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1228 __func__)); 1229 1230 if (sc->sc_dying) 1231 return; 1232 1233 /* Perform periodic stuff in process context */ 1234 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1235 } 1236 1237 Static void 1238 url_tick_task(void *xsc) 1239 { 1240 struct url_softc *sc = xsc; 1241 struct ifnet *ifp; 1242 struct mii_data *mii; 1243 int s; 1244 1245 if (sc == NULL) 1246 return; 1247 1248 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1249 __func__)); 1250 1251 if (sc->sc_dying) 1252 return; 1253 1254 ifp = GET_IFP(sc); 1255 mii = GET_MII(sc); 1256 1257 if (mii == NULL) 1258 return; 1259 1260 s = splnet(); 1261 1262 mii_tick(mii); 1263 if (!sc->sc_link) { 1264 mii_pollstat(mii); 1265 if (mii->mii_media_status & IFM_ACTIVE && 1266 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1267 DPRINTF(("%s: %s: got link\n", 1268 USBDEVNAME(sc->sc_dev), __func__)); 1269 sc->sc_link++; 1270 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1271 url_start(ifp); 1272 } 1273 } 1274 1275 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1276 1277 splx(s); 1278 } 1279 1280 /* Get exclusive access to the MII registers */ 1281 Static void 1282 url_lock_mii(struct url_softc *sc) 1283 { 1284 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1285 __func__)); 1286 1287 sc->sc_refcnt++; 1288 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL); 1289 } 1290 1291 Static void 1292 url_unlock_mii(struct url_softc *sc) 1293 { 1294 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1295 __func__)); 1296 1297 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL); 1298 if (--sc->sc_refcnt < 0) 1299 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1300 } 1301 1302 Static int 1303 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1304 { 1305 struct url_softc *sc; 1306 u_int16_t val; 1307 1308 if (dev == NULL) 1309 return (0); 1310 1311 sc = USBGETSOFTC(dev); 1312 1313 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1314 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1315 1316 if (sc->sc_dying) { 1317 #ifdef DIAGNOSTIC 1318 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1319 __func__); 1320 #endif 1321 return (0); 1322 } 1323 1324 /* XXX: one PHY only for the RTL8150 internal PHY */ 1325 if (phy != 0) { 1326 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1327 USBDEVNAME(sc->sc_dev), __func__, phy)); 1328 return (0); 1329 } 1330 1331 url_lock_mii(sc); 1332 1333 switch (reg) { 1334 case MII_BMCR: /* Control Register */ 1335 reg = URL_BMCR; 1336 break; 1337 case MII_BMSR: /* Status Register */ 1338 reg = URL_BMSR; 1339 break; 1340 case MII_PHYIDR1: 1341 case MII_PHYIDR2: 1342 val = 0; 1343 goto R_DONE; 1344 break; 1345 case MII_ANAR: /* Autonegotiation advertisement */ 1346 reg = URL_ANAR; 1347 break; 1348 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1349 reg = URL_ANLP; 1350 break; 1351 case URLPHY_MSR: /* Media Status Register */ 1352 reg = URL_MSR; 1353 break; 1354 default: 1355 printf("%s: %s: bad register %04x\n", 1356 USBDEVNAME(sc->sc_dev), __func__, reg); 1357 val = 0; 1358 goto R_DONE; 1359 break; 1360 } 1361 1362 if (reg == URL_MSR) 1363 val = url_csr_read_1(sc, reg); 1364 else 1365 val = url_csr_read_2(sc, reg); 1366 1367 R_DONE: 1368 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1369 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1370 1371 url_unlock_mii(sc); 1372 return (val); 1373 } 1374 1375 Static void 1376 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1377 { 1378 struct url_softc *sc; 1379 1380 if (dev == NULL) 1381 return; 1382 1383 sc = USBGETSOFTC(dev); 1384 1385 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1386 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1387 1388 if (sc->sc_dying) { 1389 #ifdef DIAGNOSTIC 1390 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1391 __func__); 1392 #endif 1393 return; 1394 } 1395 1396 /* XXX: one PHY only for the RTL8150 internal PHY */ 1397 if (phy != 0) { 1398 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1399 USBDEVNAME(sc->sc_dev), __func__, phy)); 1400 return; 1401 } 1402 1403 url_lock_mii(sc); 1404 1405 switch (reg) { 1406 case MII_BMCR: /* Control Register */ 1407 reg = URL_BMCR; 1408 break; 1409 case MII_BMSR: /* Status Register */ 1410 reg = URL_BMSR; 1411 break; 1412 case MII_PHYIDR1: 1413 case MII_PHYIDR2: 1414 goto W_DONE; 1415 break; 1416 case MII_ANAR: /* Autonegotiation advertisement */ 1417 reg = URL_ANAR; 1418 break; 1419 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1420 reg = URL_ANLP; 1421 break; 1422 case URLPHY_MSR: /* Media Status Register */ 1423 reg = URL_MSR; 1424 break; 1425 default: 1426 printf("%s: %s: bad register %04x\n", 1427 USBDEVNAME(sc->sc_dev), __func__, reg); 1428 goto W_DONE; 1429 break; 1430 } 1431 1432 if (reg == URL_MSR) 1433 url_csr_write_1(sc, reg, data); 1434 else 1435 url_csr_write_2(sc, reg, data); 1436 W_DONE: 1437 1438 url_unlock_mii(sc); 1439 return; 1440 } 1441 1442 Static void 1443 url_miibus_statchg(device_ptr_t dev) 1444 { 1445 #ifdef URL_DEBUG 1446 struct url_softc *sc; 1447 1448 if (dev == NULL) 1449 return; 1450 1451 sc = USBGETSOFTC(dev); 1452 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1453 #endif 1454 /* Nothing to do */ 1455 } 1456 1457 #if 0 1458 /* 1459 * external PHYs support, but not test. 1460 */ 1461 Static int 1462 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1463 { 1464 struct url_softc *sc = USBGETSOFTC(dev); 1465 u_int16_t val; 1466 1467 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1468 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1469 1470 if (sc->sc_dying) { 1471 #ifdef DIAGNOSTIC 1472 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1473 __func__); 1474 #endif 1475 return (0); 1476 } 1477 1478 url_lock_mii(sc); 1479 1480 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1481 /* 1482 * RTL8150L will initiate a MII management data transaction 1483 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1484 * this bit is auto cleared by TRL8150L. 1485 */ 1486 url_csr_write_1(sc, URL_PHYCNT, 1487 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1488 for (i = 0; i < URL_TIMEOUT; i++) { 1489 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1490 break; 1491 } 1492 if (i == URL_TIMEOUT) { 1493 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1494 } 1495 1496 val = url_csr_read_2(sc, URL_PHYDAT); 1497 1498 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1499 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1500 1501 url_unlock_mii(sc); 1502 return (val); 1503 } 1504 1505 Static void 1506 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1507 { 1508 struct url_softc *sc = USBGETSOFTC(dev); 1509 1510 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1511 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1512 1513 if (sc->sc_dying) { 1514 #ifdef DIAGNOSTIC 1515 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1516 __func__); 1517 #endif 1518 return; 1519 } 1520 1521 url_lock_mii(sc); 1522 1523 url_csr_write_2(sc, URL_PHYDAT, data); 1524 url_csr_write_1(sc, URL_PHYADD, phy); 1525 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1526 1527 for (i=0; i < URL_TIMEOUT; i++) { 1528 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1529 break; 1530 } 1531 1532 if (i == URL_TIMEOUT) { 1533 printf("%s: MII write timed out\n", 1534 USBDEVNAME(sc->sc_dev)); 1535 } 1536 1537 url_unlock_mii(sc); 1538 return; 1539 } 1540 #endif 1541 1542
Indexes created Wed Oct 01 19:09:53 GMT 2025