if_url.c revision 1.24.10.5
1 /* $NetBSD: if_url.c,v 1.24.10.5 2007/06/22 10:44:56 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 1.24.10.5 2007/06/22 10:44:56 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 #ifdef __FreeBSD__ /* callback needs context */ 589 | USBD_CALLBACK_AS_TASK 590 #endif 591 , 592 USBD_NO_TIMEOUT, url_rxeof); 593 (void)usbd_transfer(c->ue_xfer); 594 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 595 __func__)); 596 } 597 598 ifp->if_flags |= IFF_RUNNING; 599 ifp->if_flags &= ~IFF_OACTIVE; 600 601 splx(s); 602 603 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 604 605 return (0); 606 } 607 608 Static void 609 url_reset(struct url_softc *sc) 610 { 611 int i; 612 613 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 614 615 if (sc->sc_dying) 616 return; 617 618 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 619 620 for (i = 0; i < URL_TX_TIMEOUT; i++) { 621 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 622 break; 623 delay(10); /* XXX */ 624 } 625 626 delay(10000); /* XXX */ 627 } 628 629 int 630 url_activate(device_ptr_t self, enum devact act) 631 { 632 struct url_softc *sc = (struct url_softc *)self; 633 634 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 635 __func__, act)); 636 637 switch (act) { 638 case DVACT_ACTIVATE: 639 return (EOPNOTSUPP); 640 break; 641 642 case DVACT_DEACTIVATE: 643 if_deactivate(&sc->sc_ec.ec_if); 644 sc->sc_dying = 1; 645 break; 646 } 647 648 return (0); 649 } 650 651 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 652 653 654 Static void 655 url_setmulti(struct url_softc *sc) 656 { 657 struct ifnet *ifp; 658 struct ether_multi *enm; 659 struct ether_multistep step; 660 u_int32_t hashes[2] = { 0, 0 }; 661 int h = 0; 662 int mcnt = 0; 663 664 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 665 666 if (sc->sc_dying) 667 return; 668 669 ifp = GET_IFP(sc); 670 671 if (ifp->if_flags & IFF_PROMISC) { 672 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 673 return; 674 } else if (ifp->if_flags & IFF_ALLMULTI) { 675 allmulti: 676 ifp->if_flags |= IFF_ALLMULTI; 677 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 678 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 679 return; 680 } 681 682 /* first, zot all the existing hash bits */ 683 url_csr_write_4(sc, URL_MAR0, 0); 684 url_csr_write_4(sc, URL_MAR4, 0); 685 686 /* now program new ones */ 687 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 688 while (enm != NULL) { 689 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 690 ETHER_ADDR_LEN) != 0) 691 goto allmulti; 692 693 h = url_calchash(enm->enm_addrlo); 694 if (h < 32) 695 hashes[0] |= (1 << h); 696 else 697 hashes[1] |= (1 << (h -32)); 698 mcnt++; 699 ETHER_NEXT_MULTI(step, enm); 700 } 701 702 ifp->if_flags &= ~IFF_ALLMULTI; 703 704 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 705 706 if (mcnt){ 707 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 708 } else { 709 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 710 } 711 url_csr_write_4(sc, URL_MAR0, hashes[0]); 712 url_csr_write_4(sc, URL_MAR4, hashes[1]); 713 } 714 715 Static int 716 url_openpipes(struct url_softc *sc) 717 { 718 usbd_status err; 719 int error = 0; 720 721 if (sc->sc_dying) 722 return (EIO); 723 724 sc->sc_refcnt++; 725 726 /* Open RX pipe */ 727 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 728 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 729 if (err) { 730 printf("%s: open rx pipe failed: %s\n", 731 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 732 error = EIO; 733 goto done; 734 } 735 736 /* Open TX pipe */ 737 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 738 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 739 if (err) { 740 printf("%s: open tx pipe failed: %s\n", 741 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 742 error = EIO; 743 goto done; 744 } 745 746 #if 0 747 /* XXX: interrupt endpoint is not yet supported */ 748 /* Open Interrupt pipe */ 749 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 750 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 751 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 752 url_intr, USBD_DEFAULT_INTERVAL); 753 if (err) { 754 printf("%s: open intr pipe failed: %s\n", 755 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 756 error = EIO; 757 goto done; 758 } 759 #endif 760 761 done: 762 if (--sc->sc_refcnt < 0) 763 usb_detach_wakeup(USBDEV(sc->sc_dev)); 764 765 return (error); 766 } 767 768 Static void 769 url_start(struct ifnet *ifp) 770 { 771 struct url_softc *sc = ifp->if_softc; 772 struct mbuf *m_head = NULL; 773 774 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 775 __func__, sc->sc_link)); 776 777 if (sc->sc_dying) 778 return; 779 780 if (!sc->sc_link) 781 return; 782 783 if (ifp->if_flags & IFF_OACTIVE) 784 return; 785 786 IFQ_POLL(&ifp->if_snd, m_head); 787 if (m_head == NULL) 788 return; 789 790 IFQ_DEQUEUE(&ifp->if_snd, m_head); 791 792 #if NBPFILTER > 0 793 if (ifp->if_bpf) 794 bpf_mtap(ifp->if_bpf, m_head); 795 #endif 796 797 if (url_send(sc, m_head, 0)) { 798 ifp->if_flags |= IFF_OACTIVE; 799 return; 800 } 801 802 ifp->if_flags |= IFF_OACTIVE; 803 804 /* Set a timeout in case the chip goes out to lunch. */ 805 ifp->if_timer = 5; 806 } 807 808 Static int 809 url_send(struct url_softc *sc, struct mbuf *m, int idx) 810 { 811 int total_len; 812 struct ue_chain *c; 813 usbd_status err; 814 int ret; 815 816 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 817 818 c = &sc->sc_cdata.url_tx_chain[idx]; 819 820 total_len = m->m_pkthdr.len; 821 822 if (total_len < URL_MIN_FRAME_LEN) { 823 /* expand mbuf chain with zeros */ 824 m_copyback(m, total_len, URL_MIN_FRAME_LEN - total_len, 825 zeros); 826 total_len = URL_MIN_FRAME_LEN; 827 if (m->m_pkthdr.len != total_len) { 828 m_freem(m); 829 return (ENOBUFS); 830 } 831 } 832 833 ret = usb_ether_map_tx_buffer_mbuf(c, m); 834 if (ret) { 835 m_freem(m); 836 return (ret); 837 } 838 839 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_tx, c, NULL /* XXX buf */, total_len, 840 USBD_FORCE_SHORT_XFER | USBD_NO_COPY 841 #ifdef __FreeBSD__ /* callback needs context */ 842 | USBD_CALLBACK_AS_TASK 843 #endif 844 , 845 URL_TX_TIMEOUT, url_txeof); 846 847 /* Transmit */ 848 sc->sc_refcnt++; 849 err = usbd_transfer(c->ue_xfer); 850 if (--sc->sc_refcnt < 0) 851 usb_detach_wakeup(USBDEV(sc->sc_dev)); 852 if (err != USBD_IN_PROGRESS) { 853 c->ue_mbuf = NULL; 854 m_freem(m); 855 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 856 usbd_errstr(err)); 857 /* Stop the interface */ 858 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 859 USB_TASKQ_DRIVER); 860 return (EIO); 861 } 862 863 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 864 __func__, total_len)); 865 866 sc->sc_cdata.url_tx_cnt++; 867 868 return (0); 869 } 870 871 Static void 872 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 873 usbd_status status) 874 { 875 struct ue_chain *c = priv; 876 struct url_softc *sc = (void *)c->ue_dev; 877 struct ifnet *ifp = GET_IFP(sc); 878 int s; 879 880 if (sc->sc_dying) 881 return; 882 883 s = splnet(); 884 885 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 886 887 ifp->if_timer = 0; 888 ifp->if_flags &= ~IFF_OACTIVE; 889 890 usbd_unmap_buffer(xfer); 891 892 if (status != USBD_NORMAL_COMPLETION) { 893 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 894 splx(s); 895 return; 896 } 897 ifp->if_oerrors++; 898 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 899 usbd_errstr(status)); 900 if (status == USBD_STALLED) { 901 sc->sc_refcnt++; 902 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 903 if (--sc->sc_refcnt < 0) 904 usb_detach_wakeup(USBDEV(sc->sc_dev)); 905 } 906 splx(s); 907 return; 908 } 909 910 ifp->if_opackets++; 911 912 m_freem(c->ue_mbuf); 913 c->ue_mbuf = NULL; 914 915 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 916 url_start(ifp); 917 918 splx(s); 919 } 920 921 Static void 922 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 923 { 924 struct ue_chain *c = priv; 925 struct url_softc *sc = (void *)c->ue_dev; 926 struct ifnet *ifp = GET_IFP(sc); 927 struct mbuf *m; 928 u_int32_t total_len; 929 url_rxhdr_t rxhdr; 930 int s; 931 932 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 933 934 if (sc->sc_dying) 935 return; 936 937 usbd_unmap_buffer(xfer); 938 939 if (status != USBD_NORMAL_COMPLETION) { 940 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 941 return; 942 sc->sc_rx_errs++; 943 if (usbd_ratecheck(&sc->sc_rx_notice)) { 944 printf("%s: %u usb errors on rx: %s\n", 945 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 946 usbd_errstr(status)); 947 sc->sc_rx_errs = 0; 948 } 949 if (status == USBD_STALLED) { 950 sc->sc_refcnt++; 951 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 952 if (--sc->sc_refcnt < 0) 953 usb_detach_wakeup(USBDEV(sc->sc_dev)); 954 } 955 goto done; 956 } 957 958 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 959 960 if (total_len <= ETHER_CRC_LEN) { 961 ifp->if_ierrors++; 962 goto done; 963 } 964 965 m = c->ue_mbuf; 966 967 memcpy(&rxhdr, mtod(m, char *) + total_len - ETHER_CRC_LEN, 968 sizeof(rxhdr)); 969 970 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 971 USBDEVNAME(sc->sc_dev), 972 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 973 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 974 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 975 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 976 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 977 978 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 979 ifp->if_ierrors++; 980 goto done; 981 } 982 983 /* 984 * Allocate new mbuf cluster for the next transfer. 985 * If that failed, discard current packet and recycle the mbuf. 986 */ 987 if ((c->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 988 printf("%s: no memory for rx list -- packet dropped!\n", 989 USBDEVNAME(sc->sc_dev)); 990 ifp->if_ierrors++; 991 c->ue_mbuf = usb_ether_newbuf(m); 992 goto done; 993 } 994 995 ifp->if_ipackets++; 996 total_len -= ETHER_CRC_LEN; 997 998 m->m_pkthdr.len = m->m_len = total_len; 999 m->m_pkthdr.rcvif = ifp; 1000 1001 s = splnet(); 1002 1003 #if NBPFILTER > 0 1004 if (ifp->if_bpf) 1005 BPF_MTAP(ifp, m); 1006 #endif 1007 1008 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1009 __func__, m->m_len)); 1010 IF_INPUT(ifp, m); 1011 1012 splx(s); 1013 1014 done: 1015 /* Setup new transfer */ 1016 (void)usbd_map_buffer_mbuf(xfer, c->ue_mbuf); 1017 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, NULL /* XXX buf */, URL_BUFSZ, 1018 USBD_SHORT_XFER_OK | USBD_NO_COPY 1019 #ifdef __FreeBSD__ /* callback needs context */ 1020 | USBD_CALLBACK_AS_TASK 1021 #endif 1022 , 1023 USBD_NO_TIMEOUT, url_rxeof); 1024 sc->sc_refcnt++; 1025 usbd_transfer(xfer); 1026 if (--sc->sc_refcnt < 0) 1027 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1028 1029 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1030 } 1031 1032 #if 0 1033 Static void url_intr() 1034 { 1035 } 1036 #endif 1037 1038 Static int 1039 url_ioctl(struct ifnet *ifp, u_long cmd, usb_ioctlarg_t data) 1040 { 1041 struct url_softc *sc = ifp->if_softc; 1042 struct ifreq *ifr = (struct ifreq *)data; 1043 struct mii_data *mii; 1044 int s, error = 0; 1045 1046 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1047 1048 if (sc->sc_dying) 1049 return (EIO); 1050 1051 s = splnet(); 1052 1053 switch (cmd) { 1054 case SIOCGIFMEDIA: 1055 case SIOCSIFMEDIA: 1056 mii = GET_MII(sc); 1057 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1058 break; 1059 1060 default: 1061 error = ether_ioctl(ifp, cmd, data); 1062 if (error == ENETRESET) { 1063 if (ifp->if_flags & IFF_RUNNING) 1064 url_setmulti(sc); 1065 error = 0; 1066 } 1067 break; 1068 } 1069 1070 splx(s); 1071 1072 return (error); 1073 } 1074 1075 Static void 1076 url_watchdog(struct ifnet *ifp) 1077 { 1078 struct url_softc *sc = ifp->if_softc; 1079 struct ue_chain *c; 1080 usbd_status stat; 1081 int s; 1082 1083 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1084 1085 ifp->if_oerrors++; 1086 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1087 1088 s = splusb(); 1089 c = &sc->sc_cdata.url_tx_chain[0]; 1090 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat); 1091 url_txeof(c->ue_xfer, c, stat); 1092 1093 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1094 url_start(ifp); 1095 splx(s); 1096 } 1097 1098 Static void 1099 url_stop_task(struct url_softc *sc) 1100 { 1101 url_stop(GET_IFP(sc), 1); 1102 } 1103 1104 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1105 Static void 1106 url_stop(struct ifnet *ifp, int disable) 1107 { 1108 struct url_softc *sc = ifp->if_softc; 1109 usbd_status err; 1110 1111 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1112 1113 ifp->if_timer = 0; 1114 1115 url_reset(sc); 1116 1117 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1118 1119 /* Stop transfers */ 1120 /* RX endpoint */ 1121 if (sc->sc_pipe_rx != NULL) { 1122 err = usbd_abort_pipe(sc->sc_pipe_rx); 1123 if (err) 1124 printf("%s: abort rx pipe failed: %s\n", 1125 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1126 } 1127 1128 /* TX endpoint */ 1129 if (sc->sc_pipe_tx != NULL) { 1130 err = usbd_abort_pipe(sc->sc_pipe_tx); 1131 if (err) 1132 printf("%s: abort tx pipe failed: %s\n", 1133 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1134 } 1135 1136 #if 0 1137 /* XXX: Interrupt endpoint is not yet supported!! */ 1138 /* Interrupt endpoint */ 1139 if (sc->sc_pipe_intr != NULL) { 1140 err = usbd_abort_pipe(sc->sc_pipe_intr); 1141 if (err) 1142 printf("%s: abort intr pipe failed: %s\n", 1143 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1144 #endif 1145 1146 /* Free RX/TX resources. */ 1147 usb_ether_rx_list_free(sc->sc_cdata.url_rx_chain, URL_RX_LIST_CNT); 1148 usb_ether_tx_list_free(sc->sc_cdata.url_tx_chain, URL_TX_LIST_CNT); 1149 1150 /* Close pipes. */ 1151 /* RX endpoint */ 1152 if (sc->sc_pipe_rx != NULL) { 1153 err = usbd_close_pipe(sc->sc_pipe_rx); 1154 if (err) 1155 printf("%s: close rx pipe failed: %s\n", 1156 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1157 sc->sc_pipe_rx = NULL; 1158 } 1159 1160 /* TX endpoint */ 1161 if (sc->sc_pipe_tx != NULL) { 1162 err = usbd_close_pipe(sc->sc_pipe_tx); 1163 if (err) 1164 printf("%s: close tx pipe failed: %s\n", 1165 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1166 sc->sc_pipe_tx = NULL; 1167 } 1168 1169 #if 0 1170 /* XXX: Interrupt endpoint is not yet supported!! */ 1171 /* Interrupt endpoint */ 1172 if (sc->sc_pipe_intr != NULL) { 1173 err = usbd_close_pipe(sc->sc_pipe_intr); 1174 if (err) 1175 printf("%s: close intr pipe failed: %s\n", 1176 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1177 sc->sc_pipe_intr = NULL; 1178 } 1179 #endif 1180 1181 sc->sc_link = 0; 1182 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1183 } 1184 1185 /* Set media options */ 1186 Static int 1187 url_ifmedia_change(struct ifnet *ifp) 1188 { 1189 struct url_softc *sc = ifp->if_softc; 1190 struct mii_data *mii = GET_MII(sc); 1191 1192 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1193 1194 if (sc->sc_dying) 1195 return (0); 1196 1197 sc->sc_link = 0; 1198 if (mii->mii_instance) { 1199 struct mii_softc *miisc; 1200 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1201 miisc = LIST_NEXT(miisc, mii_list)) 1202 mii_phy_reset(miisc); 1203 } 1204 1205 return (mii_mediachg(mii)); 1206 } 1207 1208 /* Report current media status. */ 1209 Static void 1210 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1211 { 1212 struct url_softc *sc = ifp->if_softc; 1213 struct mii_data *mii = GET_MII(sc); 1214 1215 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1216 1217 if (sc->sc_dying) 1218 return; 1219 1220 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1221 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 1222 ifmr->ifm_status = 0; 1223 return; 1224 } 1225 1226 mii_pollstat(mii); 1227 ifmr->ifm_active = mii->mii_media_active; 1228 ifmr->ifm_status = mii->mii_media_status; 1229 } 1230 1231 Static void 1232 url_tick(void *xsc) 1233 { 1234 struct url_softc *sc = xsc; 1235 1236 if (sc == NULL) 1237 return; 1238 1239 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1240 __func__)); 1241 1242 if (sc->sc_dying) 1243 return; 1244 1245 /* Perform periodic stuff in process context */ 1246 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1247 } 1248 1249 Static void 1250 url_tick_task(void *xsc) 1251 { 1252 struct url_softc *sc = xsc; 1253 struct ifnet *ifp; 1254 struct mii_data *mii; 1255 int s; 1256 1257 if (sc == NULL) 1258 return; 1259 1260 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1261 __func__)); 1262 1263 if (sc->sc_dying) 1264 return; 1265 1266 ifp = GET_IFP(sc); 1267 mii = GET_MII(sc); 1268 1269 if (mii == NULL) 1270 return; 1271 1272 s = splnet(); 1273 1274 mii_tick(mii); 1275 if (!sc->sc_link) { 1276 mii_pollstat(mii); 1277 if (mii->mii_media_status & IFM_ACTIVE && 1278 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1279 DPRINTF(("%s: %s: got link\n", 1280 USBDEVNAME(sc->sc_dev), __func__)); 1281 sc->sc_link++; 1282 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1283 url_start(ifp); 1284 } 1285 } 1286 1287 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1288 1289 splx(s); 1290 } 1291 1292 /* Get exclusive access to the MII registers */ 1293 Static void 1294 url_lock_mii(struct url_softc *sc) 1295 { 1296 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1297 __func__)); 1298 1299 sc->sc_refcnt++; 1300 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL); 1301 } 1302 1303 Static void 1304 url_unlock_mii(struct url_softc *sc) 1305 { 1306 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1307 __func__)); 1308 1309 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL); 1310 if (--sc->sc_refcnt < 0) 1311 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1312 } 1313 1314 Static int 1315 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1316 { 1317 struct url_softc *sc; 1318 u_int16_t val; 1319 1320 if (dev == NULL) 1321 return (0); 1322 1323 sc = USBGETSOFTC(dev); 1324 1325 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1326 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1327 1328 if (sc->sc_dying) { 1329 #ifdef DIAGNOSTIC 1330 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1331 __func__); 1332 #endif 1333 return (0); 1334 } 1335 1336 /* XXX: one PHY only for the RTL8150 internal PHY */ 1337 if (phy != 0) { 1338 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1339 USBDEVNAME(sc->sc_dev), __func__, phy)); 1340 return (0); 1341 } 1342 1343 url_lock_mii(sc); 1344 1345 switch (reg) { 1346 case MII_BMCR: /* Control Register */ 1347 reg = URL_BMCR; 1348 break; 1349 case MII_BMSR: /* Status Register */ 1350 reg = URL_BMSR; 1351 break; 1352 case MII_PHYIDR1: 1353 case MII_PHYIDR2: 1354 val = 0; 1355 goto R_DONE; 1356 break; 1357 case MII_ANAR: /* Autonegotiation advertisement */ 1358 reg = URL_ANAR; 1359 break; 1360 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1361 reg = URL_ANLP; 1362 break; 1363 case URLPHY_MSR: /* Media Status Register */ 1364 reg = URL_MSR; 1365 break; 1366 default: 1367 printf("%s: %s: bad register %04x\n", 1368 USBDEVNAME(sc->sc_dev), __func__, reg); 1369 val = 0; 1370 goto R_DONE; 1371 break; 1372 } 1373 1374 if (reg == URL_MSR) 1375 val = url_csr_read_1(sc, reg); 1376 else 1377 val = url_csr_read_2(sc, reg); 1378 1379 R_DONE: 1380 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1381 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1382 1383 url_unlock_mii(sc); 1384 return (val); 1385 } 1386 1387 Static void 1388 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1389 { 1390 struct url_softc *sc; 1391 1392 if (dev == NULL) 1393 return; 1394 1395 sc = USBGETSOFTC(dev); 1396 1397 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1398 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1399 1400 if (sc->sc_dying) { 1401 #ifdef DIAGNOSTIC 1402 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1403 __func__); 1404 #endif 1405 return; 1406 } 1407 1408 /* XXX: one PHY only for the RTL8150 internal PHY */ 1409 if (phy != 0) { 1410 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1411 USBDEVNAME(sc->sc_dev), __func__, phy)); 1412 return; 1413 } 1414 1415 url_lock_mii(sc); 1416 1417 switch (reg) { 1418 case MII_BMCR: /* Control Register */ 1419 reg = URL_BMCR; 1420 break; 1421 case MII_BMSR: /* Status Register */ 1422 reg = URL_BMSR; 1423 break; 1424 case MII_PHYIDR1: 1425 case MII_PHYIDR2: 1426 goto W_DONE; 1427 break; 1428 case MII_ANAR: /* Autonegotiation advertisement */ 1429 reg = URL_ANAR; 1430 break; 1431 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1432 reg = URL_ANLP; 1433 break; 1434 case URLPHY_MSR: /* Media Status Register */ 1435 reg = URL_MSR; 1436 break; 1437 default: 1438 printf("%s: %s: bad register %04x\n", 1439 USBDEVNAME(sc->sc_dev), __func__, reg); 1440 goto W_DONE; 1441 break; 1442 } 1443 1444 if (reg == URL_MSR) 1445 url_csr_write_1(sc, reg, data); 1446 else 1447 url_csr_write_2(sc, reg, data); 1448 W_DONE: 1449 1450 url_unlock_mii(sc); 1451 return; 1452 } 1453 1454 Static void 1455 url_miibus_statchg(device_ptr_t dev) 1456 { 1457 #ifdef URL_DEBUG 1458 struct url_softc *sc; 1459 1460 if (dev == NULL) 1461 return; 1462 1463 sc = USBGETSOFTC(dev); 1464 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1465 #endif 1466 /* Nothing to do */ 1467 } 1468 1469 #if 0 1470 /* 1471 * external PHYs support, but not test. 1472 */ 1473 Static int 1474 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1475 { 1476 struct url_softc *sc = USBGETSOFTC(dev); 1477 u_int16_t val; 1478 1479 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1480 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1481 1482 if (sc->sc_dying) { 1483 #ifdef DIAGNOSTIC 1484 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1485 __func__); 1486 #endif 1487 return (0); 1488 } 1489 1490 url_lock_mii(sc); 1491 1492 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1493 /* 1494 * RTL8150L will initiate a MII management data transaction 1495 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1496 * this bit is auto cleared by TRL8150L. 1497 */ 1498 url_csr_write_1(sc, URL_PHYCNT, 1499 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1500 for (i = 0; i < URL_TIMEOUT; i++) { 1501 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1502 break; 1503 } 1504 if (i == URL_TIMEOUT) { 1505 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1506 } 1507 1508 val = url_csr_read_2(sc, URL_PHYDAT); 1509 1510 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1511 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1512 1513 url_unlock_mii(sc); 1514 return (val); 1515 } 1516 1517 Static void 1518 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1519 { 1520 struct url_softc *sc = USBGETSOFTC(dev); 1521 1522 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1523 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1524 1525 if (sc->sc_dying) { 1526 #ifdef DIAGNOSTIC 1527 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1528 __func__); 1529 #endif 1530 return; 1531 } 1532 1533 url_lock_mii(sc); 1534 1535 url_csr_write_2(sc, URL_PHYDAT, data); 1536 url_csr_write_1(sc, URL_PHYADD, phy); 1537 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1538 1539 for (i=0; i < URL_TIMEOUT; i++) { 1540 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1541 break; 1542 } 1543 1544 if (i == URL_TIMEOUT) { 1545 printf("%s: MII write timed out\n", 1546 USBDEVNAME(sc->sc_dev)); 1547 } 1548 1549 url_unlock_mii(sc); 1550 return; 1551 } 1552 #endif 1553 1554
Indexes created Wed Oct 01 19:09:53 GMT 2025