Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/usb/if_url.c
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1 /* $NetBSD: if_url.c,v 1.8.2.1 2004/07/10 13:29:23 tron Exp $ */ 2 /* 3 * Copyright (c) 2001, 2002 4 * Shingo WATANABE <nabe@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 1.8.2.1 2004/07/10 13:29:23 tron Exp $"); 47 48 #include "opt_inet.h" 49 #include "opt_ns.h" 50 #include "bpfilter.h" 51 #include "rnd.h" 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/lock.h> 56 #include <sys/mbuf.h> 57 #include <sys/kernel.h> 58 #include <sys/socket.h> 59 60 #include <sys/device.h> 61 #if NRND > 0 62 #include <sys/rnd.h> 63 #endif 64 65 #include <net/if.h> 66 #include <net/if_arp.h> 67 #include <net/if_dl.h> 68 #include <net/if_media.h> 69 70 #if NBPFILTER > 0 71 #include <net/bpf.h> 72 #endif 73 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 74 75 #include <net/if_ether.h> 76 #ifdef INET 77 #include <netinet/in.h> 78 #include <netinet/if_inarp.h> 79 #endif 80 #ifdef NS 81 #include <netns/ns.h> 82 #include <netns/ns_if.h> 83 #endif 84 85 #include <dev/mii/mii.h> 86 #include <dev/mii/miivar.h> 87 #include <dev/mii/urlphyreg.h> 88 89 #include <dev/usb/usb.h> 90 #include <dev/usb/usbdi.h> 91 #include <dev/usb/usbdi_util.h> 92 #include <dev/usb/usbdevs.h> 93 94 #include <dev/usb/if_urlreg.h> 95 96 97 /* Function declarations */ 98 USB_DECLARE_DRIVER(url); 99 100 Static int url_openpipes(struct url_softc *); 101 Static int url_rx_list_init(struct url_softc *); 102 Static int url_tx_list_init(struct url_softc *); 103 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 104 Static void url_start(struct ifnet *); 105 Static int url_send(struct url_softc *, struct mbuf *, int); 106 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 107 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 108 Static void url_tick(void *); 109 Static void url_tick_task(void *); 110 Static int url_ioctl(struct ifnet *, u_long, caddr_t); 111 Static void url_stop_task(struct url_softc *); 112 Static void url_stop(struct ifnet *, int); 113 Static void url_watchdog(struct ifnet *); 114 Static int url_ifmedia_change(struct ifnet *); 115 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 116 Static void url_lock_mii(struct url_softc *); 117 Static void url_unlock_mii(struct url_softc *); 118 Static int url_int_miibus_readreg(device_ptr_t, int, int); 119 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 120 Static void url_miibus_statchg(device_ptr_t); 121 Static int url_init(struct ifnet *); 122 Static void url_setmulti(struct url_softc *); 123 Static void url_reset(struct url_softc *); 124 125 Static int url_csr_read_1(struct url_softc *, int); 126 Static int url_csr_read_2(struct url_softc *, int); 127 Static int url_csr_write_1(struct url_softc *, int, int); 128 Static int url_csr_write_2(struct url_softc *, int, int); 129 Static int url_csr_write_4(struct url_softc *, int, int); 130 Static int url_mem(struct url_softc *, int, int, void *, int); 131 132 /* Macros */ 133 #ifdef URL_DEBUG 134 #define DPRINTF(x) if (urldebug) logprintf x 135 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x 136 int urldebug = 0; 137 #else 138 #define DPRINTF(x) 139 #define DPRINTFN(n,x) 140 #endif 141 142 #define URL_SETBIT(sc, reg, x) \ 143 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 144 145 #define URL_SETBIT2(sc, reg, x) \ 146 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 147 148 #define URL_CLRBIT(sc, reg, x) \ 149 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 150 151 #define URL_CLRBIT2(sc, reg, x) \ 152 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 153 154 static const struct url_type { 155 struct usb_devno url_dev; 156 u_int16_t url_flags; 157 #define URL_EXT_PHY 0x0001 158 } url_devs [] = { 159 /* MELCO LUA-KTX */ 160 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 161 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 162 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0} 163 }; 164 #define url_lookup(v, p) ((struct url_type *)usb_lookup(url_devs, v, p)) 165 166 167 /* Probe */ 168 USB_MATCH(url) 169 { 170 USB_MATCH_START(url, uaa); 171 172 if (uaa->iface != NULL) 173 return (UMATCH_NONE); 174 175 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 176 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 177 } 178 /* Attach */ 179 USB_ATTACH(url) 180 { 181 USB_ATTACH_START(url, sc, uaa); 182 usbd_device_handle dev = uaa->device; 183 usbd_interface_handle iface; 184 usbd_status err; 185 usb_interface_descriptor_t *id; 186 usb_endpoint_descriptor_t *ed; 187 char devinfo[1024]; 188 char *devname = USBDEVNAME(sc->sc_dev); 189 struct ifnet *ifp; 190 struct mii_data *mii; 191 u_char eaddr[ETHER_ADDR_LEN]; 192 int i, s; 193 194 usbd_devinfo(dev, 0, devinfo); 195 USB_ATTACH_SETUP; 196 printf("%s: %s\n", devname, devinfo); 197 198 /* Move the device into the configured state. */ 199 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 200 if (err) { 201 printf("%s: setting config no failed\n", devname); 202 goto bad; 203 } 204 205 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 206 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0); 207 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 208 209 /* get control interface */ 210 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 211 if (err) { 212 printf("%s: failed to get interface, err=%s\n", devname, 213 usbd_errstr(err)); 214 goto bad; 215 } 216 217 sc->sc_udev = dev; 218 sc->sc_ctl_iface = iface; 219 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 220 221 /* get interface descriptor */ 222 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 223 224 /* find endpoints */ 225 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 226 for (i = 0; i < id->bNumEndpoints; i++) { 227 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 228 if (ed == NULL) { 229 printf("%s: couldn't get endpoint %d\n", devname, i); 230 goto bad; 231 } 232 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 233 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 234 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 235 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 236 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 237 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 238 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 239 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 240 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 241 } 242 243 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 244 sc->sc_intrin_no == -1) { 245 printf("%s: missing endpoint\n", devname); 246 goto bad; 247 } 248 249 s = splnet(); 250 251 /* reset the adapter */ 252 url_reset(sc); 253 254 /* Get Ethernet Address */ 255 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 256 ETHER_ADDR_LEN); 257 if (err) { 258 printf("%s: read MAC address failed\n", devname); 259 splx(s); 260 goto bad; 261 } 262 263 /* Print Ethernet Address */ 264 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr)); 265 266 /* initialize interface infomation */ 267 ifp = GET_IFP(sc); 268 ifp->if_softc = sc; 269 ifp->if_mtu = ETHERMTU; 270 strncpy(ifp->if_xname, devname, IFNAMSIZ); 271 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 272 ifp->if_start = url_start; 273 ifp->if_ioctl = url_ioctl; 274 ifp->if_watchdog = url_watchdog; 275 ifp->if_init = url_init; 276 ifp->if_stop = url_stop; 277 278 IFQ_SET_READY(&ifp->if_snd); 279 280 /* 281 * Do ifmedia setup. 282 */ 283 mii = &sc->sc_mii; 284 mii->mii_ifp = ifp; 285 mii->mii_readreg = url_int_miibus_readreg; 286 mii->mii_writereg = url_int_miibus_writereg; 287 #if 0 288 if (sc->sc_flags & URL_EXT_PHY) { 289 mii->mii_readreg = url_ext_miibus_readreg; 290 mii->mii_writereg = url_ext_miibus_writereg; 291 } 292 #endif 293 mii->mii_statchg = url_miibus_statchg; 294 mii->mii_flags = MIIF_AUTOTSLEEP; 295 ifmedia_init(&mii->mii_media, 0, 296 url_ifmedia_change, url_ifmedia_status); 297 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 298 if (LIST_FIRST(&mii->mii_phys) == NULL) { 299 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 300 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 301 } else 302 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 303 304 /* attach the interface */ 305 if_attach(ifp); 306 Ether_ifattach(ifp, eaddr); 307 308 #if NRND > 0 309 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0); 310 #endif 311 312 usb_callout_init(sc->sc_stat_ch); 313 sc->sc_attached = 1; 314 splx(s); 315 316 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 317 318 USB_ATTACH_SUCCESS_RETURN; 319 320 bad: 321 sc->sc_dying = 1; 322 USB_ATTACH_ERROR_RETURN; 323 } 324 325 /* detach */ 326 USB_DETACH(url) 327 { 328 USB_DETACH_START(url, sc); 329 struct ifnet *ifp = GET_IFP(sc); 330 int s; 331 332 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 333 334 /* Detached before attached finished */ 335 if (!sc->sc_attached) 336 return (0); 337 338 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 339 340 /* Remove any pending tasks */ 341 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 342 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 343 344 s = splusb(); 345 346 if (--sc->sc_refcnt >= 0) { 347 /* Wait for processes to go away */ 348 usb_detach_wait(USBDEV(sc->sc_dev)); 349 } 350 351 if (ifp->if_flags & IFF_RUNNING) 352 url_stop(GET_IFP(sc), 1); 353 354 #if NRND > 0 355 rnd_detach_source(&sc->rnd_source); 356 #endif 357 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 358 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 359 ether_ifdetach(ifp); 360 if_detach(ifp); 361 362 #ifdef DIAGNOSTIC 363 if (sc->sc_pipe_tx != NULL) 364 printf("%s: detach has active tx endpoint.\n", 365 USBDEVNAME(sc->sc_dev)); 366 if (sc->sc_pipe_rx != NULL) 367 printf("%s: detach has active rx endpoint.\n", 368 USBDEVNAME(sc->sc_dev)); 369 if (sc->sc_pipe_intr != NULL) 370 printf("%s: detach has active intr endpoint.\n", 371 USBDEVNAME(sc->sc_dev)); 372 #endif 373 374 sc->sc_attached = 0; 375 376 splx(s); 377 378 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 379 USBDEV(sc->sc_dev)); 380 381 return (0); 382 } 383 384 /* read/write memory */ 385 Static int 386 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 387 { 388 usb_device_request_t req; 389 usbd_status err; 390 391 if (sc == NULL) 392 return (0); 393 394 DPRINTFN(0x200, 395 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 396 397 if (sc->sc_dying) 398 return (0); 399 400 if (cmd == URL_CMD_READMEM) 401 req.bmRequestType = UT_READ_VENDOR_DEVICE; 402 else 403 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 404 req.bRequest = URL_REQ_MEM; 405 USETW(req.wValue, offset); 406 USETW(req.wIndex, 0x0000); 407 USETW(req.wLength, len); 408 409 sc->sc_refcnt++; 410 err = usbd_do_request(sc->sc_udev, &req, buf); 411 if (--sc->sc_refcnt < 0) 412 usb_detach_wakeup(USBDEV(sc->sc_dev)); 413 if (err) { 414 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 415 USBDEVNAME(sc->sc_dev), 416 cmd == URL_CMD_READMEM ? "read" : "write", 417 offset, err)); 418 } 419 420 return (err); 421 } 422 423 /* read 1byte from register */ 424 Static int 425 url_csr_read_1(struct url_softc *sc, int reg) 426 { 427 u_int8_t val = 0; 428 429 DPRINTFN(0x100, 430 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 431 432 if (sc->sc_dying) 433 return (0); 434 435 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 436 } 437 438 /* read 2bytes from register */ 439 Static int 440 url_csr_read_2(struct url_softc *sc, int reg) 441 { 442 uWord val; 443 444 DPRINTFN(0x100, 445 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 446 447 if (sc->sc_dying) 448 return (0); 449 450 USETW(val, 0); 451 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 452 } 453 454 /* write 1byte to register */ 455 Static int 456 url_csr_write_1(struct url_softc *sc, int reg, int aval) 457 { 458 u_int8_t val = aval; 459 460 DPRINTFN(0x100, 461 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 462 463 if (sc->sc_dying) 464 return (0); 465 466 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 467 } 468 469 /* write 2bytes to register */ 470 Static int 471 url_csr_write_2(struct url_softc *sc, int reg, int aval) 472 { 473 uWord val; 474 475 DPRINTFN(0x100, 476 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 477 478 USETW(val, aval); 479 480 if (sc->sc_dying) 481 return (0); 482 483 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 484 } 485 486 /* write 4bytes to register */ 487 Static int 488 url_csr_write_4(struct url_softc *sc, int reg, int aval) 489 { 490 uDWord val; 491 492 DPRINTFN(0x100, 493 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 494 495 USETDW(val, aval); 496 497 if (sc->sc_dying) 498 return (0); 499 500 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 501 } 502 503 Static int 504 url_init(struct ifnet *ifp) 505 { 506 struct url_softc *sc = ifp->if_softc; 507 struct mii_data *mii = GET_MII(sc); 508 u_char *eaddr; 509 int i, s; 510 511 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 512 513 if (sc->sc_dying) 514 return (EIO); 515 516 s = splnet(); 517 518 /* Cancel pending I/O and free all TX/RX buffers */ 519 url_stop(ifp, 1); 520 521 eaddr = LLADDR(ifp->if_sadl); 522 for (i = 0; i < ETHER_ADDR_LEN; i++) 523 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 524 525 /* Init transmission control register */ 526 URL_CLRBIT(sc, URL_TCR, 527 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 528 URL_TCR_IFG1 | URL_TCR_IFG0 | 529 URL_TCR_NOCRC); 530 531 /* Init receive control register */ 532 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 533 if (ifp->if_flags & IFF_BROADCAST) 534 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 535 else 536 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 537 538 /* If we want promiscuous mode, accept all physical frames. */ 539 if (ifp->if_flags & IFF_PROMISC) 540 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 541 else 542 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 543 544 545 /* Initialize transmit ring */ 546 if (url_tx_list_init(sc) == ENOBUFS) { 547 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 548 splx(s); 549 return (EIO); 550 } 551 552 /* Initialize receive ring */ 553 if (url_rx_list_init(sc) == ENOBUFS) { 554 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 555 splx(s); 556 return (EIO); 557 } 558 559 /* Load the multicast filter */ 560 url_setmulti(sc); 561 562 /* Enable RX and TX */ 563 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 564 565 mii_mediachg(mii); 566 567 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 568 if (url_openpipes(sc)) { 569 splx(s); 570 return (EIO); 571 } 572 } 573 574 ifp->if_flags |= IFF_RUNNING; 575 ifp->if_flags &= ~IFF_OACTIVE; 576 577 splx(s); 578 579 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 580 581 return (0); 582 } 583 584 Static void 585 url_reset(struct url_softc *sc) 586 { 587 int i; 588 589 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 590 591 if (sc->sc_dying) 592 return; 593 594 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 595 596 for (i = 0; i < URL_TX_TIMEOUT; i++) { 597 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 598 break; 599 delay(10); /* XXX */ 600 } 601 602 delay(10000); /* XXX */ 603 } 604 605 int 606 url_activate(device_ptr_t self, enum devact act) 607 { 608 struct url_softc *sc = (struct url_softc *)self; 609 610 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 611 __func__, act)); 612 613 switch (act) { 614 case DVACT_ACTIVATE: 615 return (EOPNOTSUPP); 616 break; 617 618 case DVACT_DEACTIVATE: 619 if_deactivate(&sc->sc_ec.ec_if); 620 sc->sc_dying = 1; 621 break; 622 } 623 624 return (0); 625 } 626 627 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 628 629 630 Static void 631 url_setmulti(struct url_softc *sc) 632 { 633 struct ifnet *ifp; 634 struct ether_multi *enm; 635 struct ether_multistep step; 636 u_int32_t hashes[2] = { 0, 0 }; 637 int h = 0; 638 int mcnt = 0; 639 640 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 641 642 if (sc->sc_dying) 643 return; 644 645 ifp = GET_IFP(sc); 646 647 if (ifp->if_flags & IFF_PROMISC) { 648 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 649 return; 650 } else if (ifp->if_flags & IFF_ALLMULTI) { 651 allmulti: 652 ifp->if_flags |= IFF_ALLMULTI; 653 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 654 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 655 return; 656 } 657 658 /* first, zot all the existing hash bits */ 659 url_csr_write_4(sc, URL_MAR0, 0); 660 url_csr_write_4(sc, URL_MAR4, 0); 661 662 /* now program new ones */ 663 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 664 while (enm != NULL) { 665 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 666 ETHER_ADDR_LEN) != 0) 667 goto allmulti; 668 669 h = url_calchash(enm->enm_addrlo); 670 if (h < 32) 671 hashes[0] |= (1 << h); 672 else 673 hashes[1] |= (1 << (h -32)); 674 mcnt++; 675 ETHER_NEXT_MULTI(step, enm); 676 } 677 678 ifp->if_flags &= ~IFF_ALLMULTI; 679 680 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 681 682 if (mcnt){ 683 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 684 } else { 685 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 686 } 687 url_csr_write_4(sc, URL_MAR0, hashes[0]); 688 url_csr_write_4(sc, URL_MAR4, hashes[1]); 689 } 690 691 Static int 692 url_openpipes(struct url_softc *sc) 693 { 694 struct url_chain *c; 695 usbd_status err; 696 int i; 697 int error = 0; 698 699 if (sc->sc_dying) 700 return (EIO); 701 702 sc->sc_refcnt++; 703 704 /* Open RX pipe */ 705 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 706 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 707 if (err) { 708 printf("%s: open rx pipe failed: %s\n", 709 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 710 error = EIO; 711 goto done; 712 } 713 714 /* Open TX pipe */ 715 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 716 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 717 if (err) { 718 printf("%s: open tx pipe failed: %s\n", 719 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 720 error = EIO; 721 goto done; 722 } 723 724 #if 0 725 /* XXX: interrupt endpoint is not yet supported */ 726 /* Open Interrupt pipe */ 727 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 728 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 729 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 730 url_intr, URL_INTR_INTERVAL); 731 if (err) { 732 printf("%s: open intr pipe failed: %s\n", 733 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 734 error = EIO; 735 goto done; 736 } 737 #endif 738 739 740 /* Start up the receive pipe. */ 741 for (i = 0; i < URL_RX_LIST_CNT; i++) { 742 c = &sc->sc_cdata.url_rx_chain[i]; 743 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 744 c, c->url_buf, URL_BUFSZ, 745 USBD_SHORT_XFER_OK | USBD_NO_COPY, 746 USBD_NO_TIMEOUT, url_rxeof); 747 (void)usbd_transfer(c->url_xfer); 748 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 749 __func__)); 750 } 751 752 done: 753 if (--sc->sc_refcnt < 0) 754 usb_detach_wakeup(USBDEV(sc->sc_dev)); 755 756 return (error); 757 } 758 759 Static int 760 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 761 { 762 struct mbuf *m_new = NULL; 763 764 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 765 766 if (m == NULL) { 767 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 768 if (m_new == NULL) { 769 printf("%s: no memory for rx list " 770 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 771 return (ENOBUFS); 772 } 773 MCLGET(m_new, M_DONTWAIT); 774 if (!(m_new->m_flags & M_EXT)) { 775 printf("%s: no memory for rx list " 776 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 777 m_freem(m_new); 778 return (ENOBUFS); 779 } 780 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 781 } else { 782 m_new = m; 783 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 784 m_new->m_data = m_new->m_ext.ext_buf; 785 } 786 787 m_adj(m_new, ETHER_ALIGN); 788 c->url_mbuf = m_new; 789 790 return (0); 791 } 792 793 794 Static int 795 url_rx_list_init(struct url_softc *sc) 796 { 797 struct url_cdata *cd; 798 struct url_chain *c; 799 int i; 800 801 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 802 803 cd = &sc->sc_cdata; 804 for (i = 0; i < URL_RX_LIST_CNT; i++) { 805 c = &cd->url_rx_chain[i]; 806 c->url_sc = sc; 807 c->url_idx = i; 808 if (url_newbuf(sc, c, NULL) == ENOBUFS) 809 return (ENOBUFS); 810 if (c->url_xfer == NULL) { 811 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 812 if (c->url_xfer == NULL) 813 return (ENOBUFS); 814 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 815 if (c->url_buf == NULL) { 816 usbd_free_xfer(c->url_xfer); 817 return (ENOBUFS); 818 } 819 } 820 } 821 822 return (0); 823 } 824 825 Static int 826 url_tx_list_init(struct url_softc *sc) 827 { 828 struct url_cdata *cd; 829 struct url_chain *c; 830 int i; 831 832 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 833 834 cd = &sc->sc_cdata; 835 for (i = 0; i < URL_TX_LIST_CNT; i++) { 836 c = &cd->url_tx_chain[i]; 837 c->url_sc = sc; 838 c->url_idx = i; 839 c->url_mbuf = NULL; 840 if (c->url_xfer == NULL) { 841 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 842 if (c->url_xfer == NULL) 843 return (ENOBUFS); 844 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 845 if (c->url_buf == NULL) { 846 usbd_free_xfer(c->url_xfer); 847 return (ENOBUFS); 848 } 849 } 850 } 851 852 return (0); 853 } 854 855 Static void 856 url_start(struct ifnet *ifp) 857 { 858 struct url_softc *sc = ifp->if_softc; 859 struct mbuf *m_head = NULL; 860 861 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 862 __func__, sc->sc_link)); 863 864 if (sc->sc_dying) 865 return; 866 867 if (!sc->sc_link) 868 return; 869 870 if (ifp->if_flags & IFF_OACTIVE) 871 return; 872 873 IFQ_POLL(&ifp->if_snd, m_head); 874 if (m_head == NULL) 875 return; 876 877 if (url_send(sc, m_head, 0)) { 878 ifp->if_flags |= IFF_OACTIVE; 879 return; 880 } 881 882 IFQ_DEQUEUE(&ifp->if_snd, m_head); 883 884 #if NBPFILTER > 0 885 if (ifp->if_bpf) 886 bpf_mtap(ifp->if_bpf, m_head); 887 #endif 888 889 ifp->if_flags |= IFF_OACTIVE; 890 891 /* Set a timeout in case the chip goes out to lunch. */ 892 ifp->if_timer = 5; 893 } 894 895 Static int 896 url_send(struct url_softc *sc, struct mbuf *m, int idx) 897 { 898 int total_len; 899 struct url_chain *c; 900 usbd_status err; 901 902 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 903 904 c = &sc->sc_cdata.url_tx_chain[idx]; 905 906 /* Copy the mbuf data into a contiguous buffer */ 907 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 908 c->url_mbuf = m; 909 total_len = m->m_pkthdr.len; 910 911 if (total_len < URL_MIN_FRAME_LEN) { 912 memset(c->url_buf + total_len, 0, 913 URL_MIN_FRAME_LEN - total_len); 914 total_len = URL_MIN_FRAME_LEN; 915 } 916 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 917 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 918 URL_TX_TIMEOUT, url_txeof); 919 920 /* Transmit */ 921 sc->sc_refcnt++; 922 err = usbd_transfer(c->url_xfer); 923 if (--sc->sc_refcnt < 0) 924 usb_detach_wakeup(USBDEV(sc->sc_dev)); 925 if (err != USBD_IN_PROGRESS) { 926 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 927 usbd_errstr(err)); 928 /* Stop the interface */ 929 usb_add_task(sc->sc_udev, &sc->sc_stop_task); 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, usbd_status status) 943 { 944 struct url_chain *c = priv; 945 struct url_softc *sc = c->url_sc; 946 struct ifnet *ifp = GET_IFP(sc); 947 int s; 948 949 if (sc->sc_dying) 950 return; 951 952 s = splnet(); 953 954 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 955 956 ifp->if_timer = 0; 957 ifp->if_flags &= ~IFF_OACTIVE; 958 959 if (status != USBD_NORMAL_COMPLETION) { 960 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 961 splx(s); 962 return; 963 } 964 ifp->if_oerrors++; 965 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 966 usbd_errstr(status)); 967 if (status == USBD_STALLED) { 968 sc->sc_refcnt++; 969 usbd_clear_endpoint_stall(sc->sc_pipe_tx); 970 if (--sc->sc_refcnt < 0) 971 usb_detach_wakeup(USBDEV(sc->sc_dev)); 972 } 973 splx(s); 974 return; 975 } 976 977 ifp->if_opackets++; 978 979 m_freem(c->url_mbuf); 980 c->url_mbuf = NULL; 981 982 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 983 url_start(ifp); 984 985 splx(s); 986 } 987 988 Static void 989 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 990 { 991 struct url_chain *c = priv; 992 struct url_softc *sc = c->url_sc; 993 struct ifnet *ifp = GET_IFP(sc); 994 struct mbuf *m; 995 u_int32_t total_len; 996 url_rxhdr_t rxhdr; 997 int s; 998 999 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 1000 1001 if (sc->sc_dying) 1002 return; 1003 1004 if (status != USBD_NORMAL_COMPLETION) { 1005 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1006 return; 1007 sc->sc_rx_errs++; 1008 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1009 printf("%s: %u usb errors on rx: %s\n", 1010 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 1011 usbd_errstr(status)); 1012 sc->sc_rx_errs = 0; 1013 } 1014 if (status == USBD_STALLED) { 1015 sc->sc_refcnt++; 1016 usbd_clear_endpoint_stall(sc->sc_pipe_rx); 1017 if (--sc->sc_refcnt < 0) 1018 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1019 } 1020 goto done; 1021 } 1022 1023 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1024 1025 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1026 1027 if (total_len <= ETHER_CRC_LEN) { 1028 ifp->if_ierrors++; 1029 goto done; 1030 } 1031 1032 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1033 1034 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1035 USBDEVNAME(sc->sc_dev), 1036 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1037 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1038 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1039 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1040 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1041 1042 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1043 ifp->if_ierrors++; 1044 goto done; 1045 } 1046 1047 ifp->if_ipackets++; 1048 total_len -= ETHER_CRC_LEN; 1049 1050 m = c->url_mbuf; 1051 m->m_pkthdr.len = m->m_len = total_len; 1052 m->m_pkthdr.rcvif = ifp; 1053 1054 s = splnet(); 1055 1056 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1057 ifp->if_ierrors++; 1058 goto done1; 1059 } 1060 1061 #if NBPFILTER > 0 1062 if (ifp->if_bpf) 1063 BPF_MTAP(ifp, m); 1064 #endif 1065 1066 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1067 __func__, m->m_len)); 1068 IF_INPUT(ifp, m); 1069 1070 done1: 1071 splx(s); 1072 1073 done: 1074 /* Setup new transfer */ 1075 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1076 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1077 USBD_NO_TIMEOUT, url_rxeof); 1078 sc->sc_refcnt++; 1079 usbd_transfer(xfer); 1080 if (--sc->sc_refcnt < 0) 1081 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1082 1083 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1084 } 1085 1086 #if 0 1087 Static void url_intr() 1088 { 1089 } 1090 #endif 1091 1092 Static int 1093 url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1094 { 1095 struct url_softc *sc = ifp->if_softc; 1096 struct ifreq *ifr = (struct ifreq *)data; 1097 struct mii_data *mii; 1098 int s, error = 0; 1099 1100 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1101 1102 if (sc->sc_dying) 1103 return (EIO); 1104 1105 s = splnet(); 1106 1107 switch (cmd) { 1108 case SIOCGIFMEDIA: 1109 case SIOCSIFMEDIA: 1110 mii = GET_MII(sc); 1111 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1112 break; 1113 1114 default: 1115 error = ether_ioctl(ifp, cmd, data); 1116 if (error == ENETRESET) { 1117 url_setmulti(sc); 1118 error = 0; 1119 } 1120 break; 1121 } 1122 1123 splx(s); 1124 1125 return (error); 1126 } 1127 1128 Static void 1129 url_watchdog(struct ifnet *ifp) 1130 { 1131 struct url_softc *sc = ifp->if_softc; 1132 struct url_chain *c; 1133 usbd_status stat; 1134 int s; 1135 1136 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1137 1138 ifp->if_oerrors++; 1139 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1140 1141 s = splusb(); 1142 c = &sc->sc_cdata.url_tx_chain[0]; 1143 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1144 url_txeof(c->url_xfer, c, stat); 1145 1146 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1147 url_start(ifp); 1148 splx(s); 1149 } 1150 1151 Static void 1152 url_stop_task(struct url_softc *sc) 1153 { 1154 url_stop(GET_IFP(sc), 1); 1155 } 1156 1157 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1158 Static void 1159 url_stop(struct ifnet *ifp, int disable) 1160 { 1161 struct url_softc *sc = ifp->if_softc; 1162 usbd_status err; 1163 int i; 1164 1165 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1166 1167 ifp->if_timer = 0; 1168 1169 url_reset(sc); 1170 1171 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1172 1173 /* Stop transfers */ 1174 /* RX endpoint */ 1175 if (sc->sc_pipe_rx != NULL) { 1176 err = usbd_abort_pipe(sc->sc_pipe_rx); 1177 if (err) 1178 printf("%s: abort rx pipe failed: %s\n", 1179 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1180 err = usbd_close_pipe(sc->sc_pipe_rx); 1181 if (err) 1182 printf("%s: close rx pipe failed: %s\n", 1183 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1184 sc->sc_pipe_rx = NULL; 1185 } 1186 1187 /* TX endpoint */ 1188 if (sc->sc_pipe_tx != NULL) { 1189 err = usbd_abort_pipe(sc->sc_pipe_tx); 1190 if (err) 1191 printf("%s: abort tx pipe failed: %s\n", 1192 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1193 err = usbd_close_pipe(sc->sc_pipe_tx); 1194 if (err) 1195 printf("%s: close tx pipe failed: %s\n", 1196 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1197 sc->sc_pipe_tx = NULL; 1198 } 1199 1200 #if 0 1201 /* XXX: Interrupt endpoint is not yet supported!! */ 1202 /* Interrupt endpoint */ 1203 if (sc->sc_pipe_intr != NULL) { 1204 err = usbd_abort_pipe(sc->sc_pipe_intr); 1205 if (err) 1206 printf("%s: abort intr pipe failed: %s\n", 1207 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1208 err = usbd_close_pipe(sc->sc_pipe_intr); 1209 if (err) 1210 printf("%s: close intr pipe failed: %s\n", 1211 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1212 sc->sc_pipe_intr = NULL; 1213 } 1214 #endif 1215 1216 /* Free RX resources. */ 1217 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1218 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1219 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1220 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1221 } 1222 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1223 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1224 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1225 } 1226 } 1227 1228 /* Free TX resources. */ 1229 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1230 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1231 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1232 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1233 } 1234 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1235 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1236 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1237 } 1238 } 1239 1240 sc->sc_link = 0; 1241 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1242 } 1243 1244 /* Set media options */ 1245 Static int 1246 url_ifmedia_change(struct ifnet *ifp) 1247 { 1248 struct url_softc *sc = ifp->if_softc; 1249 struct mii_data *mii = GET_MII(sc); 1250 1251 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1252 1253 if (sc->sc_dying) 1254 return (0); 1255 1256 sc->sc_link = 0; 1257 if (mii->mii_instance) { 1258 struct mii_softc *miisc; 1259 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1260 miisc = LIST_NEXT(miisc, mii_list)) 1261 mii_phy_reset(miisc); 1262 } 1263 1264 return (mii_mediachg(mii)); 1265 } 1266 1267 /* Report current media status. */ 1268 Static void 1269 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1270 { 1271 struct url_softc *sc = ifp->if_softc; 1272 struct mii_data *mii = GET_MII(sc); 1273 1274 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1275 1276 if (sc->sc_dying) 1277 return; 1278 1279 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1280 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 1281 ifmr->ifm_status = 0; 1282 return; 1283 } 1284 1285 mii_pollstat(mii); 1286 ifmr->ifm_active = mii->mii_media_active; 1287 ifmr->ifm_status = mii->mii_media_status; 1288 } 1289 1290 Static void 1291 url_tick(void *xsc) 1292 { 1293 struct url_softc *sc = xsc; 1294 1295 if (sc == NULL) 1296 return; 1297 1298 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1299 __func__)); 1300 1301 if (sc->sc_dying) 1302 return; 1303 1304 /* Perform periodic stuff in process context */ 1305 usb_add_task(sc->sc_udev, &sc->sc_tick_task); 1306 } 1307 1308 Static void 1309 url_tick_task(void *xsc) 1310 { 1311 struct url_softc *sc = xsc; 1312 struct ifnet *ifp; 1313 struct mii_data *mii; 1314 int s; 1315 1316 if (sc == NULL) 1317 return; 1318 1319 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1320 __func__)); 1321 1322 if (sc->sc_dying) 1323 return; 1324 1325 ifp = GET_IFP(sc); 1326 mii = GET_MII(sc); 1327 1328 if (mii == NULL) 1329 return; 1330 1331 s = splnet(); 1332 1333 mii_tick(mii); 1334 if (!sc->sc_link) { 1335 mii_pollstat(mii); 1336 if (mii->mii_media_status & IFM_ACTIVE && 1337 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1338 DPRINTF(("%s: %s: got link\n", 1339 USBDEVNAME(sc->sc_dev), __func__)); 1340 sc->sc_link++; 1341 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1342 url_start(ifp); 1343 } 1344 } 1345 1346 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1347 1348 splx(s); 1349 } 1350 1351 /* Get exclusive access to the MII registers */ 1352 Static void 1353 url_lock_mii(struct url_softc *sc) 1354 { 1355 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1356 __func__)); 1357 1358 sc->sc_refcnt++; 1359 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL); 1360 } 1361 1362 Static void 1363 url_unlock_mii(struct url_softc *sc) 1364 { 1365 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1366 __func__)); 1367 1368 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL); 1369 if (--sc->sc_refcnt < 0) 1370 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1371 } 1372 1373 Static int 1374 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1375 { 1376 struct url_softc *sc; 1377 u_int16_t val; 1378 1379 if (dev == NULL) 1380 return (0); 1381 1382 sc = USBGETSOFTC(dev); 1383 1384 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1385 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1386 1387 if (sc->sc_dying) { 1388 #ifdef DIAGNOSTIC 1389 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1390 __func__); 1391 #endif 1392 return (0); 1393 } 1394 1395 /* XXX: one PHY only for the RTL8150 internal PHY */ 1396 if (phy != 0) { 1397 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1398 USBDEVNAME(sc->sc_dev), __func__, phy)); 1399 return (0); 1400 } 1401 1402 url_lock_mii(sc); 1403 1404 switch (reg) { 1405 case MII_BMCR: /* Control Register */ 1406 reg = URL_BMCR; 1407 break; 1408 case MII_BMSR: /* Status Register */ 1409 reg = URL_BMSR; 1410 break; 1411 case MII_PHYIDR1: 1412 case MII_PHYIDR2: 1413 val = 0; 1414 goto R_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 val = 0; 1429 goto R_DONE; 1430 break; 1431 } 1432 1433 if (reg == URL_MSR) 1434 val = url_csr_read_1(sc, reg); 1435 else 1436 val = url_csr_read_2(sc, reg); 1437 1438 R_DONE: 1439 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1440 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1441 1442 url_unlock_mii(sc); 1443 return (val); 1444 } 1445 1446 Static void 1447 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1448 { 1449 struct url_softc *sc; 1450 1451 if (dev == NULL) 1452 return; 1453 1454 sc = USBGETSOFTC(dev); 1455 1456 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1457 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1458 1459 if (sc->sc_dying) { 1460 #ifdef DIAGNOSTIC 1461 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1462 __func__); 1463 #endif 1464 return; 1465 } 1466 1467 /* XXX: one PHY only for the RTL8150 internal PHY */ 1468 if (phy != 0) { 1469 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1470 USBDEVNAME(sc->sc_dev), __func__, phy)); 1471 return; 1472 } 1473 1474 url_lock_mii(sc); 1475 1476 switch (reg) { 1477 case MII_BMCR: /* Control Register */ 1478 reg = URL_BMCR; 1479 break; 1480 case MII_BMSR: /* Status Register */ 1481 reg = URL_BMSR; 1482 break; 1483 case MII_PHYIDR1: 1484 case MII_PHYIDR2: 1485 goto W_DONE; 1486 break; 1487 case MII_ANAR: /* Autonegotiation advertisement */ 1488 reg = URL_ANAR; 1489 break; 1490 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1491 reg = URL_ANLP; 1492 break; 1493 case URLPHY_MSR: /* Media Status Register */ 1494 reg = URL_MSR; 1495 break; 1496 default: 1497 printf("%s: %s: bad register %04x\n", 1498 USBDEVNAME(sc->sc_dev), __func__, reg); 1499 goto W_DONE; 1500 break; 1501 } 1502 1503 if (reg == URL_MSR) 1504 url_csr_write_1(sc, reg, data); 1505 else 1506 url_csr_write_2(sc, reg, data); 1507 W_DONE: 1508 1509 url_unlock_mii(sc); 1510 return; 1511 } 1512 1513 Static void 1514 url_miibus_statchg(device_ptr_t dev) 1515 { 1516 #ifdef URL_DEBUG 1517 struct url_softc *sc; 1518 1519 if (dev == NULL) 1520 return; 1521 1522 sc = USBGETSOFTC(dev); 1523 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1524 #endif 1525 /* Nothing to do */ 1526 } 1527 1528 #if 0 1529 /* 1530 * external PHYs support, but not test. 1531 */ 1532 Static int 1533 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1534 { 1535 struct url_softc *sc = USBGETSOFTC(dev); 1536 u_int16_t val; 1537 1538 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1539 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1540 1541 if (sc->sc_dying) { 1542 #ifdef DIAGNOSTIC 1543 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1544 __func__); 1545 #endif 1546 return (0); 1547 } 1548 1549 url_lock_mii(sc); 1550 1551 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1552 /* 1553 * RTL8150L will initiate a MII management data transaction 1554 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1555 * this bit is auto cleared by TRL8150L. 1556 */ 1557 url_csr_write_1(sc, URL_PHYCNT, 1558 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1559 for (i = 0; i < URL_TIMEOUT; i++) { 1560 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1561 break; 1562 } 1563 if (i == URL_TIMEOUT) { 1564 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1565 } 1566 1567 val = url_csr_read_2(sc, URL_PHYDAT); 1568 1569 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1570 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1571 1572 url_unlock_mii(sc); 1573 return (val); 1574 } 1575 1576 Static void 1577 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1578 { 1579 struct url_softc *sc = USBGETSOFTC(dev); 1580 1581 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1582 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1583 1584 if (sc->sc_dying) { 1585 #ifdef DIAGNOSTIC 1586 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1587 __func__); 1588 #endif 1589 return; 1590 } 1591 1592 url_lock_mii(sc); 1593 1594 url_csr_write_2(sc, URL_PHYDAT, data); 1595 url_csr_write_1(sc, URL_PHYADD, phy); 1596 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1597 1598 for (i=0; i < URL_TIMEOUT; i++) { 1599 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1600 break; 1601 } 1602 1603 if (i == URL_TIMEOUT) { 1604 printf("%s: MII write timed out\n", 1605 USBDEVNAME(sc->sc_dev)); 1606 } 1607 1608 url_unlock_mii(sc); 1609 return; 1610 } 1611 #endif 1612
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