if_url.c revision 1.2
1 /* $NetBSD: if_url.c,v 1.2 2002/03/28 21:49:19 ichiro 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. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Shingo WATANABE. 17 * 4. Neither the name of the author nor the names of any co-contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 35 /* 36 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at 37 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf 38 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf 39 */ 40 41 /* 42 * TODO: 43 * Interrupt Endpoint support 44 * External PHYs 45 * powerhook() support? 46 */ 47 48 #include <sys/cdefs.h> 49 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.2 2002/03/28 21:49:19 ichiro Exp $"); 50 51 #include "opt_inet.h" 52 #include "opt_ns.h" 53 #include "bpfilter.h" 54 #include "rnd.h" 55 56 #include <sys/param.h> 57 #include <sys/systm.h> 58 #include <sys/lock.h> 59 #include <sys/mbuf.h> 60 #include <sys/kernel.h> 61 #include <sys/socket.h> 62 63 #include <sys/device.h> 64 #if NRND > 0 65 #include <sys/rnd.h> 66 #endif 67 68 #include <net/if.h> 69 #include <net/if_arp.h> 70 #include <net/if_dl.h> 71 #include <net/if_media.h> 72 73 #if NBPFILTER > 0 74 #include <net/bpf.h> 75 #endif 76 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 77 78 #include <net/if_ether.h> 79 #ifdef INET 80 #include <netinet/in.h> 81 #include <netinet/if_inarp.h> 82 #endif 83 #ifdef NS 84 #include <netns/ns.h> 85 #include <netns/ns_if.h> 86 #endif 87 88 #include <dev/mii/mii.h> 89 #include <dev/mii/miivar.h> 90 #include <dev/mii/urlphyreg.h> 91 92 #include <dev/usb/usb.h> 93 #include <dev/usb/usbdi.h> 94 #include <dev/usb/usbdi_util.h> 95 #include <dev/usb/usbdevs.h> 96 97 #include <dev/usb/if_urlreg.h> 98 99 100 /* Function declarations */ 101 USB_DECLARE_DRIVER(url); 102 103 Static int url_openpipes(struct url_softc *); 104 Static int url_rx_list_init(struct url_softc *); 105 Static int url_tx_list_init(struct url_softc *); 106 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 107 Static void url_start(struct ifnet *); 108 Static int url_send(struct url_softc *, struct mbuf *, int); 109 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 110 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 111 Static void url_tick(void *); 112 Static void url_tick_task(void *); 113 Static int url_ioctl(struct ifnet *, u_long, caddr_t); 114 Static void url_stop_task(struct url_softc *); 115 Static void url_stop(struct ifnet *, int); 116 Static void url_watchdog(struct ifnet *); 117 Static int url_ifmedia_change(struct ifnet *); 118 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 119 Static void url_lock_mii(struct url_softc *); 120 Static void url_unlock_mii(struct url_softc *); 121 Static int url_int_miibus_readreg(device_ptr_t, int, int); 122 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 123 Static void url_miibus_statchg(device_ptr_t); 124 Static int url_init(struct ifnet *); 125 Static void url_setmulti(struct url_softc *); 126 Static void url_reset(struct url_softc *); 127 128 Static int url_csr_read_1(struct url_softc *, int); 129 Static int url_csr_read_2(struct url_softc *, int); 130 Static int url_csr_write_1(struct url_softc *, int, int); 131 Static int url_csr_write_2(struct url_softc *, int, int); 132 Static int url_csr_write_4(struct url_softc *, int, int); 133 Static int url_mem(struct url_softc *, int, int, void *, int); 134 135 /* Macros */ 136 #ifdef URL_DEBUG 137 #define DPRINTF(x) if (urldebug) logprintf x 138 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x 139 int urldebug = 0; 140 #else 141 #define DPRINTF(x) 142 #define DPRINTFN(n,x) 143 #endif 144 145 #define URL_SETBIT(sc, reg, x) \ 146 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 147 148 #define URL_SETBIT2(sc, reg, x) \ 149 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 150 151 #define URL_CLRBIT(sc, reg, x) \ 152 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 153 154 #define URL_CLRBIT2(sc, reg, x) \ 155 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 156 157 static const struct url_type { 158 struct usb_devno url_dev; 159 u_int16_t url_flags; 160 #define URL_EXT_PHY 0x0001 161 } url_devs [] = { 162 /* MELCO LUA-KTX */ 163 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 164 /* GREEN HOUSE USBKR100 */ 165 {{ USB_VENDOR_GREENHOUSE2, USB_PRODUCT_GREENHOUSE2_USBKR100}, 0} 166 }; 167 #define url_lookup(v, p) ((struct url_type *)usb_lookup(url_devs, v, p)) 168 169 170 /* Probe */ 171 USB_MATCH(url) 172 { 173 USB_MATCH_START(url, uaa); 174 175 if (uaa->iface != NULL) 176 return (UMATCH_NONE); 177 178 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 179 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 180 } 181 /* Attach */ 182 USB_ATTACH(url) 183 { 184 USB_ATTACH_START(url, sc, uaa); 185 usbd_device_handle dev = uaa->device; 186 usbd_interface_handle iface; 187 usbd_status err; 188 usb_interface_descriptor_t *id; 189 usb_endpoint_descriptor_t *ed; 190 char devinfo[1024]; 191 char *devname = USBDEVNAME(sc->sc_dev); 192 struct ifnet *ifp; 193 struct mii_data *mii; 194 u_char eaddr[ETHER_ADDR_LEN]; 195 int i, s; 196 197 usbd_devinfo(dev, 0, devinfo); 198 USB_ATTACH_SETUP; 199 printf("%s: %s\n", devname, devinfo); 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 faild\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 infomation */ 270 ifp = GET_IFP(sc); 271 ifp->if_softc = sc; 272 strncpy(ifp->if_xname, devname, IFNAMSIZ); 273 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 274 ifp->if_start = url_start; 275 ifp->if_ioctl = url_ioctl; 276 ifp->if_watchdog = url_watchdog; 277 ifp->if_init = url_init; 278 ifp->if_stop = url_stop; 279 280 IFQ_SET_READY(&ifp->if_snd); 281 282 /* 283 * Do ifmedia setup. 284 */ 285 mii = &sc->sc_mii; 286 mii->mii_ifp = ifp; 287 mii->mii_readreg = url_int_miibus_readreg; 288 mii->mii_writereg = url_int_miibus_writereg; 289 #if 0 290 if (sc->sc_flags & URL_EXT_PHY) { 291 mii->mii_readreg = url_ext_miibus_readreg; 292 mii->mii_writereg = url_ext_miibus_writereg; 293 } 294 #endif 295 mii->mii_statchg = url_miibus_statchg; 296 mii->mii_flags = MIIF_AUTOTSLEEP; 297 ifmedia_init(&mii->mii_media, 0, 298 url_ifmedia_change, url_ifmedia_status); 299 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 300 if (LIST_FIRST(&mii->mii_phys) == NULL) { 301 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 302 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 303 } else 304 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 305 306 /* attach the interface */ 307 if_attach(ifp); 308 Ether_ifattach(ifp, eaddr); 309 310 #if NRND > 0 311 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0); 312 #endif 313 314 usb_callout_init(sc->sc_stat_ch); 315 sc->sc_attached = 1; 316 splx(s); 317 318 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 319 320 USB_ATTACH_SUCCESS_RETURN; 321 322 bad: 323 sc->sc_dying = 1; 324 USB_ATTACH_ERROR_RETURN; 325 } 326 327 /* detach */ 328 USB_DETACH(url) 329 { 330 USB_DETACH_START(url, sc); 331 struct ifnet *ifp = GET_IFP(sc); 332 int s; 333 334 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 335 336 /* Detached before attached finished */ 337 if (!sc->sc_attached) 338 return (0); 339 340 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 341 342 /* Remove any pending tasks */ 343 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 344 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 345 346 s = splusb(); 347 348 if (--sc->sc_refcnt >= 0) { 349 /* Wait for processes to go away */ 350 usb_detach_wait(USBDEV(sc->sc_dev)); 351 } 352 353 if (ifp->if_flags & IFF_RUNNING) 354 url_stop(GET_IFP(sc), 1); 355 356 #if NRND > 0 357 rnd_detach_source(&sc->rnd_source); 358 #endif 359 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 360 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 361 ether_ifdetach(ifp); 362 if_detach(ifp); 363 364 #ifdef DIAGNOSTIC 365 if (sc->sc_pipe_tx != NULL) 366 printf("%s: detach has active tx endpoint.\n", 367 USBDEVNAME(sc->sc_dev)); 368 if (sc->sc_pipe_rx != NULL) 369 printf("%s: detach has active rx endpoint.\n", 370 USBDEVNAME(sc->sc_dev)); 371 if (sc->sc_pipe_intr != NULL) 372 printf("%s: detach has active intr endpoint.\n", 373 USBDEVNAME(sc->sc_dev)); 374 #endif 375 376 sc->sc_attached = 0; 377 378 splx(s); 379 380 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 381 USBDEV(sc->sc_dev)); 382 383 return (0); 384 } 385 386 /* read/write memory */ 387 Static int 388 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 389 { 390 usb_device_request_t req; 391 usbd_status err; 392 393 if (sc == NULL) 394 return (0); 395 396 DPRINTFN(0x200, 397 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 398 399 if (sc->sc_dying) 400 return (0); 401 402 if (cmd == URL_CMD_READMEM) 403 req.bmRequestType = UT_READ_VENDOR_DEVICE; 404 else 405 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 406 req.bRequest = URL_REQ_MEM; 407 USETW(req.wValue, offset); 408 USETW(req.wIndex, 0x0000); 409 USETW(req.wLength, len); 410 411 sc->sc_refcnt++; 412 err = usbd_do_request(sc->sc_udev, &req, buf); 413 if (--sc->sc_refcnt < 0) 414 usb_detach_wakeup(USBDEV(sc->sc_dev)); 415 if (err) { 416 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 417 USBDEVNAME(sc->sc_dev), 418 cmd == URL_CMD_READMEM ? "read" : "write", 419 offset, err)); 420 } 421 422 return (err); 423 } 424 425 /* read 1byte from register */ 426 Static int 427 url_csr_read_1(struct url_softc *sc, int reg) 428 { 429 u_int8_t val = 0; 430 431 DPRINTFN(0x100, 432 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 433 434 if (sc->sc_dying) 435 return (0); 436 437 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 438 } 439 440 /* read 2bytes from register */ 441 Static int 442 url_csr_read_2(struct url_softc *sc, int reg) 443 { 444 uWord val; 445 446 DPRINTFN(0x100, 447 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 448 449 if (sc->sc_dying) 450 return (0); 451 452 USETW(val, 0); 453 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 454 } 455 456 /* write 1byte to register */ 457 Static int 458 url_csr_write_1(struct url_softc *sc, int reg, int aval) 459 { 460 u_int8_t val = aval; 461 462 DPRINTFN(0x100, 463 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 464 465 if (sc->sc_dying) 466 return (0); 467 468 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 469 } 470 471 /* write 2bytes to register */ 472 Static int 473 url_csr_write_2(struct url_softc *sc, int reg, int aval) 474 { 475 uWord val; 476 477 DPRINTFN(0x100, 478 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 479 480 USETW(val, aval); 481 482 if (sc->sc_dying) 483 return (0); 484 485 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 486 } 487 488 /* write 4bytes to register */ 489 Static int 490 url_csr_write_4(struct url_softc *sc, int reg, int aval) 491 { 492 uDWord val; 493 494 DPRINTFN(0x100, 495 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 496 497 USETDW(val, aval); 498 499 if (sc->sc_dying) 500 return (0); 501 502 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 503 } 504 505 Static int 506 url_init(struct ifnet *ifp) 507 { 508 struct url_softc *sc = ifp->if_softc; 509 struct mii_data *mii = GET_MII(sc); 510 u_char *eaddr; 511 int i, s; 512 513 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 514 515 if (sc->sc_dying) 516 return (EIO); 517 518 s = splnet(); 519 520 /* Cancel pending I/O and free all TX/RX buffers */ 521 url_stop(ifp, 1); 522 523 eaddr = LLADDR(ifp->if_sadl); 524 for (i = 0; i < ETHER_ADDR_LEN; i++) 525 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 526 527 /* Init transmission control register */ 528 URL_CLRBIT(sc, URL_TCR, 529 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 530 URL_TCR_IFG1 | URL_TCR_IFG0 | 531 URL_TCR_NOCRC); 532 533 /* Init receive control register */ 534 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 535 if (ifp->if_flags & IFF_BROADCAST) 536 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 537 else 538 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 539 540 /* If we want promiscuous mode, accept all physical frames. */ 541 if (ifp->if_flags & IFF_PROMISC) 542 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 543 else 544 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 545 546 547 /* Initialize transmit ring */ 548 if (url_tx_list_init(sc) == ENOBUFS) { 549 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 550 splx(s); 551 return (EIO); 552 } 553 554 /* Initialize receive ring */ 555 if (url_rx_list_init(sc) == ENOBUFS) { 556 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 557 splx(s); 558 return (EIO); 559 } 560 561 /* Load the multicast filter */ 562 url_setmulti(sc); 563 564 /* Enable RX and TX */ 565 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 566 567 mii_mediachg(mii); 568 569 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 570 if (url_openpipes(sc)) { 571 splx(s); 572 return (EIO); 573 } 574 } 575 576 ifp->if_flags |= IFF_RUNNING; 577 ifp->if_flags &= ~IFF_OACTIVE; 578 579 splx(s); 580 581 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 582 583 return (0); 584 } 585 586 Static void 587 url_reset(struct url_softc *sc) 588 { 589 int i; 590 591 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 592 593 if (sc->sc_dying) 594 return; 595 596 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 597 598 for (i = 0; i < URL_TX_TIMEOUT; i++) { 599 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 600 break; 601 delay(10); /* XXX */ 602 } 603 604 delay(10000); /* XXX */ 605 } 606 607 int 608 url_activate(device_ptr_t self, enum devact act) 609 { 610 struct url_softc *sc = (struct url_softc *)self; 611 612 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 613 __FUNCTION__, act)); 614 615 switch (act) { 616 case DVACT_ACTIVATE: 617 return (EOPNOTSUPP); 618 break; 619 620 case DVACT_DEACTIVATE: 621 if_deactivate(&sc->sc_ec.ec_if); 622 sc->sc_dying = 1; 623 break; 624 } 625 626 return (0); 627 } 628 629 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 630 631 632 Static void 633 url_setmulti(struct url_softc *sc) 634 { 635 struct ifnet *ifp; 636 struct ether_multi *enm; 637 struct ether_multistep step; 638 u_int32_t hashes[2] = { 0, 0 }; 639 int h = 0; 640 int mcnt = 0; 641 642 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 643 644 if (sc->sc_dying) 645 return; 646 647 ifp = GET_IFP(sc); 648 649 if (ifp->if_flags & IFF_PROMISC) { 650 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 651 return; 652 } else if (ifp->if_flags & IFF_ALLMULTI) { 653 allmulti: 654 ifp->if_flags |= IFF_ALLMULTI; 655 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 656 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 657 return; 658 } 659 660 /* first, zot all the existing hash bits */ 661 url_csr_write_4(sc, URL_MAR0, 0); 662 url_csr_write_4(sc, URL_MAR4, 0); 663 664 /* now program new ones */ 665 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 666 while (enm != NULL) { 667 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 668 ETHER_ADDR_LEN) != 0) 669 goto allmulti; 670 671 h = url_calchash(enm->enm_addrlo); 672 if (h < 32) 673 hashes[0] |= (1 << h); 674 else 675 hashes[1] |= (1 << (h -32)); 676 mcnt++; 677 ETHER_NEXT_MULTI(step, enm); 678 } 679 680 ifp->if_flags &= ~IFF_ALLMULTI; 681 682 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 683 684 if (mcnt){ 685 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 686 } else { 687 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 688 } 689 url_csr_write_4(sc, URL_MAR0, hashes[0]); 690 url_csr_write_4(sc, URL_MAR4, hashes[1]); 691 } 692 693 Static int 694 url_openpipes(struct url_softc *sc) 695 { 696 struct url_chain *c; 697 usbd_status err; 698 int i; 699 int error = 0; 700 701 if (sc->sc_dying) 702 return (EIO); 703 704 sc->sc_refcnt++; 705 706 /* Open RX pipe */ 707 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 708 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 709 if (err) { 710 printf("%s: open rx pipe failed: %s\n", 711 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 712 error = EIO; 713 goto done; 714 } 715 716 /* Open TX pipe */ 717 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 718 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 719 if (err) { 720 printf("%s: open tx pipe failed: %s\n", 721 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 722 error = EIO; 723 goto done; 724 } 725 726 #if 0 727 /* XXX: interrupt endpoint is not yet supported */ 728 /* Open Interrupt pipe */ 729 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 730 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 731 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 732 url_intr, URL_INTR_INTERVAL); 733 if (err) { 734 printf("%s: open intr pipe failed: %s\n", 735 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 736 error = EIO; 737 goto done; 738 } 739 #endif 740 741 742 /* Start up the receive pipe. */ 743 for (i = 0; i < URL_RX_LIST_CNT; i++) { 744 c = &sc->sc_cdata.url_rx_chain[i]; 745 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 746 c, c->url_buf, URL_BUFSZ, 747 USBD_SHORT_XFER_OK | USBD_NO_COPY, 748 USBD_NO_TIMEOUT, url_rxeof); 749 (void)usbd_transfer(c->url_xfer); 750 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 751 __FUNCTION__)); 752 } 753 754 done: 755 if (--sc->sc_refcnt < 0) 756 usb_detach_wakeup(USBDEV(sc->sc_dev)); 757 758 return (error); 759 } 760 761 Static int 762 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 763 { 764 struct mbuf *m_new = NULL; 765 766 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 767 768 if (m == NULL) { 769 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 770 if (m_new == NULL) { 771 printf("%s: no memory for rx list " 772 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 773 return (ENOBUFS); 774 } 775 MCLGET(m_new, M_DONTWAIT); 776 if (!(m_new->m_flags & M_EXT)) { 777 printf("%s: no memory for rx list " 778 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 779 m_freem(m_new); 780 return (ENOBUFS); 781 } 782 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 783 } else { 784 m_new = m; 785 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 786 m_new->m_data = m_new->m_ext.ext_buf; 787 } 788 789 m_adj(m_new, ETHER_ALIGN); 790 c->url_mbuf = m_new; 791 792 return (0); 793 } 794 795 796 Static int 797 url_rx_list_init(struct url_softc *sc) 798 { 799 struct url_cdata *cd; 800 struct url_chain *c; 801 int i; 802 803 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 804 805 cd = &sc->sc_cdata; 806 for (i = 0; i < URL_RX_LIST_CNT; i++) { 807 c = &cd->url_rx_chain[i]; 808 c->url_sc = sc; 809 c->url_idx = i; 810 if (url_newbuf(sc, c, NULL) == ENOBUFS) 811 return (ENOBUFS); 812 if (c->url_xfer == NULL) { 813 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 814 if (c->url_xfer == NULL) 815 return (ENOBUFS); 816 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 817 if (c->url_buf == NULL) { 818 usbd_free_xfer(c->url_xfer); 819 return (ENOBUFS); 820 } 821 } 822 } 823 824 return (0); 825 } 826 827 Static int 828 url_tx_list_init(struct url_softc *sc) 829 { 830 struct url_cdata *cd; 831 struct url_chain *c; 832 int i; 833 834 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 835 836 cd = &sc->sc_cdata; 837 for (i = 0; i < URL_TX_LIST_CNT; i++) { 838 c = &cd->url_tx_chain[i]; 839 c->url_sc = sc; 840 c->url_idx = i; 841 c->url_mbuf = NULL; 842 if (c->url_xfer == NULL) { 843 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 844 if (c->url_xfer == NULL) 845 return (ENOBUFS); 846 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 847 if (c->url_buf == NULL) { 848 usbd_free_xfer(c->url_xfer); 849 return (ENOBUFS); 850 } 851 } 852 } 853 854 return (0); 855 } 856 857 Static void 858 url_start(struct ifnet *ifp) 859 { 860 struct url_softc *sc = ifp->if_softc; 861 struct mbuf *m_head = NULL; 862 863 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 864 __FUNCTION__, sc->sc_link)); 865 866 if (sc->sc_dying) 867 return; 868 869 if (!sc->sc_link) 870 return; 871 872 if (ifp->if_flags & IFF_OACTIVE) 873 return; 874 875 IFQ_POLL(&ifp->if_snd, m_head); 876 if (m_head == NULL) 877 return; 878 879 if (url_send(sc, m_head, 0)) { 880 ifp->if_flags |= IFF_OACTIVE; 881 return; 882 } 883 884 IFQ_DEQUEUE(&ifp->if_snd, m_head); 885 886 #if NBPFILTER > 0 887 if (ifp->if_bpf) 888 bpf_mtap(ifp->if_bpf, m_head); 889 #endif 890 891 ifp->if_flags |= IFF_OACTIVE; 892 893 /* Set a timeout in case the chip goes out to lunch. */ 894 ifp->if_timer = 5; 895 } 896 897 Static int 898 url_send(struct url_softc *sc, struct mbuf *m, int idx) 899 { 900 int total_len; 901 struct url_chain *c; 902 usbd_status err; 903 904 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 905 906 c = &sc->sc_cdata.url_tx_chain[idx]; 907 908 /* Copy the mbuf data into a contiguous buffer */ 909 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 910 c->url_mbuf = m; 911 total_len = m->m_pkthdr.len; 912 913 if (total_len < URL_MIN_FRAME_LEN) 914 total_len = URL_MIN_FRAME_LEN; 915 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 916 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 917 URL_TX_TIMEOUT, url_txeof); 918 919 /* Transmit */ 920 sc->sc_refcnt++; 921 err = usbd_transfer(c->url_xfer); 922 if (--sc->sc_refcnt < 0) 923 usb_detach_wakeup(USBDEV(sc->sc_dev)); 924 if (err != USBD_IN_PROGRESS) { 925 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 926 usbd_errstr(err)); 927 /* Stop the interface */ 928 usb_add_task(sc->sc_udev, &sc->sc_stop_task); 929 return (EIO); 930 } 931 932 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 933 __FUNCTION__, total_len)); 934 935 sc->sc_cdata.url_tx_cnt++; 936 937 return (0); 938 } 939 940 Static void 941 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 942 { 943 struct url_chain *c = priv; 944 struct url_softc *sc = c->url_sc; 945 struct ifnet *ifp = GET_IFP(sc); 946 int s; 947 948 if (sc->sc_dying) 949 return; 950 951 s = splnet(); 952 953 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 954 955 ifp->if_timer = 0; 956 ifp->if_flags &= ~IFF_OACTIVE; 957 958 if (status != USBD_NORMAL_COMPLETION) { 959 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 960 splx(s); 961 return; 962 } 963 ifp->if_oerrors++; 964 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 965 usbd_errstr(status)); 966 if (status == USBD_STALLED) { 967 sc->sc_refcnt++; 968 usbd_clear_endpoint_stall(sc->sc_pipe_tx); 969 if (--sc->sc_refcnt < 0) 970 usb_detach_wakeup(USBDEV(sc->sc_dev)); 971 } 972 splx(s); 973 return; 974 } 975 976 ifp->if_opackets++; 977 978 m_free(c->url_mbuf); 979 c->url_mbuf = NULL; 980 981 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 982 url_start(ifp); 983 984 splx(s); 985 } 986 987 Static void 988 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 989 { 990 struct url_chain *c = priv; 991 struct url_softc *sc = c->url_sc; 992 struct ifnet *ifp = GET_IFP(sc); 993 struct mbuf *m; 994 u_int32_t total_len; 995 url_rxhdr_t rxhdr; 996 int s; 997 998 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 999 1000 if (sc->sc_dying) 1001 return; 1002 1003 if (status != USBD_NORMAL_COMPLETION) { 1004 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1005 return; 1006 sc->sc_rx_errs++; 1007 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1008 printf("%s: %u usb errors on rx: %s\n", 1009 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 1010 usbd_errstr(status)); 1011 sc->sc_rx_errs = 0; 1012 } 1013 if (status == USBD_STALLED) { 1014 sc->sc_refcnt++; 1015 usbd_clear_endpoint_stall(sc->sc_pipe_rx); 1016 if (--sc->sc_refcnt < 0) 1017 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1018 } 1019 goto done; 1020 } 1021 1022 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1023 1024 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1025 1026 if (total_len <= ETHER_CRC_LEN) { 1027 ifp->if_ierrors++; 1028 goto done; 1029 } 1030 1031 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1032 1033 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1034 USBDEVNAME(sc->sc_dev), 1035 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1036 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1037 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1038 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1039 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1040 1041 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1042 ifp->if_ierrors++; 1043 goto done; 1044 } 1045 1046 ifp->if_ipackets++; 1047 total_len -= ETHER_CRC_LEN; 1048 1049 m = c->url_mbuf; 1050 m->m_pkthdr.len = m->m_len = total_len; 1051 m->m_pkthdr.rcvif = ifp; 1052 1053 s = splnet(); 1054 1055 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1056 ifp->if_ierrors++; 1057 goto done1; 1058 } 1059 1060 #if NBPFILTER > 0 1061 if (ifp->if_bpf) 1062 BPF_MTAP(ifp, m); 1063 #endif 1064 1065 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1066 __FUNCTION__, m->m_len)); 1067 IF_INPUT(ifp, m); 1068 1069 done1: 1070 splx(s); 1071 1072 done: 1073 /* Setup new transfer */ 1074 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1075 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1076 USBD_NO_TIMEOUT, url_rxeof); 1077 sc->sc_refcnt++; 1078 usbd_transfer(xfer); 1079 if (--sc->sc_refcnt < 0) 1080 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1081 1082 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1083 } 1084 1085 #if 0 1086 Static void url_intr() 1087 { 1088 } 1089 #endif 1090 1091 Static int 1092 url_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1093 { 1094 struct url_softc *sc = ifp->if_softc; 1095 struct ifreq *ifr = (struct ifreq *)data; 1096 struct mii_data *mii; 1097 int s, error = 0; 1098 1099 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1100 1101 if (sc->sc_dying) 1102 return (EIO); 1103 1104 s = splnet(); 1105 1106 switch (cmd) { 1107 case SIOCGIFMEDIA: 1108 case SIOCSIFMEDIA: 1109 mii = GET_MII(sc); 1110 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1111 break; 1112 1113 default: 1114 error = ether_ioctl(ifp, cmd, data); 1115 if (error == ENETRESET) { 1116 url_setmulti(sc); 1117 error = 0; 1118 } 1119 break; 1120 } 1121 1122 splx(s); 1123 1124 return (error); 1125 } 1126 1127 Static void 1128 url_watchdog(struct ifnet *ifp) 1129 { 1130 struct url_softc *sc = ifp->if_softc; 1131 struct url_chain *c; 1132 usbd_status stat; 1133 int s; 1134 1135 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1136 1137 ifp->if_oerrors++; 1138 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1139 1140 s = splusb(); 1141 c = &sc->sc_cdata.url_tx_chain[0]; 1142 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1143 url_txeof(c->url_xfer, c, stat); 1144 1145 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1146 url_start(ifp); 1147 splx(s); 1148 } 1149 1150 Static void 1151 url_stop_task(struct url_softc *sc) 1152 { 1153 url_stop(GET_IFP(sc), 1); 1154 } 1155 1156 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1157 Static void 1158 url_stop(struct ifnet *ifp, int disable) 1159 { 1160 struct url_softc *sc = ifp->if_softc; 1161 usbd_status err; 1162 int i; 1163 1164 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1165 1166 ifp->if_timer = 0; 1167 1168 url_reset(sc); 1169 1170 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1171 1172 /* Stop transfers */ 1173 /* RX endpoint */ 1174 if (sc->sc_pipe_rx != NULL) { 1175 err = usbd_abort_pipe(sc->sc_pipe_rx); 1176 if (err) 1177 printf("%s: abort rx pipe failed: %s\n", 1178 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1179 err = usbd_close_pipe(sc->sc_pipe_rx); 1180 if (err) 1181 printf("%s: close rx pipe failed: %s\n", 1182 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1183 sc->sc_pipe_rx = NULL; 1184 } 1185 1186 /* TX endpoint */ 1187 if (sc->sc_pipe_tx != NULL) { 1188 err = usbd_abort_pipe(sc->sc_pipe_tx); 1189 if (err) 1190 printf("%s: abort tx pipe failed: %s\n", 1191 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1192 err = usbd_close_pipe(sc->sc_pipe_tx); 1193 if (err) 1194 printf("%s: close tx pipe failed: %s\n", 1195 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1196 sc->sc_pipe_tx = NULL; 1197 } 1198 1199 #if 0 1200 /* XXX: Interrupt endpoint is not yet supported!! */ 1201 /* Interrupt endpoint */ 1202 if (sc->sc_pipe_intr != NULL) { 1203 err = usbd_abort_pipe(sc->sc_pipe_intr); 1204 if (err) 1205 printf("%s: abort intr pipe failed: %s\n", 1206 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1207 err = usbd_close_pipe(sc->sc_pipe_intr); 1208 if (err) 1209 printf("%s: close intr pipe failed: %s\n", 1210 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1211 sc->sc_pipe_intr = NULL; 1212 } 1213 #endif 1214 1215 /* Free RX resources. */ 1216 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1217 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1218 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1219 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1220 } 1221 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1222 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1223 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1224 } 1225 } 1226 1227 /* Free TX resources. */ 1228 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1229 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1230 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1231 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1232 } 1233 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1234 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1235 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1236 } 1237 } 1238 1239 sc->sc_link = 0; 1240 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1241 } 1242 1243 /* Set media options */ 1244 Static int 1245 url_ifmedia_change(struct ifnet *ifp) 1246 { 1247 struct url_softc *sc = ifp->if_softc; 1248 struct mii_data *mii = GET_MII(sc); 1249 1250 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1251 1252 if (sc->sc_dying) 1253 return (0); 1254 1255 sc->sc_link = 0; 1256 if (mii->mii_instance) { 1257 struct mii_softc *miisc; 1258 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1259 miisc = LIST_NEXT(miisc, mii_list)) 1260 mii_phy_reset(miisc); 1261 } 1262 1263 return (mii_mediachg(mii)); 1264 } 1265 1266 /* Report current media status. */ 1267 Static void 1268 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1269 { 1270 struct url_softc *sc = ifp->if_softc; 1271 struct mii_data *mii = GET_MII(sc); 1272 1273 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1274 1275 if (sc->sc_dying) 1276 return; 1277 1278 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1279 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 1280 ifmr->ifm_status = 0; 1281 return; 1282 } 1283 1284 mii_pollstat(mii); 1285 ifmr->ifm_active = mii->mii_media_active; 1286 ifmr->ifm_status = mii->mii_media_status; 1287 } 1288 1289 Static void 1290 url_tick(void *xsc) 1291 { 1292 struct url_softc *sc = xsc; 1293 1294 if (sc == NULL) 1295 return; 1296 1297 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1298 __FUNCTION__)); 1299 1300 if (sc->sc_dying) 1301 return; 1302 1303 /* Perform periodic stuff in process context */ 1304 usb_add_task(sc->sc_udev, &sc->sc_tick_task); 1305 } 1306 1307 Static void 1308 url_tick_task(void *xsc) 1309 { 1310 struct url_softc *sc = xsc; 1311 struct ifnet *ifp; 1312 struct mii_data *mii; 1313 int s; 1314 1315 if (sc == NULL) 1316 return; 1317 1318 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1319 __FUNCTION__)); 1320 1321 if (sc->sc_dying) 1322 return; 1323 1324 ifp = GET_IFP(sc); 1325 mii = GET_MII(sc); 1326 1327 if (mii == NULL) 1328 return; 1329 1330 s = splnet(); 1331 1332 mii_tick(mii); 1333 if (!sc->sc_link) { 1334 mii_pollstat(mii); 1335 if (mii->mii_media_status & IFM_ACTIVE && 1336 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1337 DPRINTF(("%s: %s: got link\n", 1338 USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1339 sc->sc_link++; 1340 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1341 url_start(ifp); 1342 } 1343 } 1344 1345 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1346 1347 splx(s); 1348 } 1349 1350 /* Get exclusive access to the MII registers */ 1351 Static void 1352 url_lock_mii(struct url_softc *sc) 1353 { 1354 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1355 __FUNCTION__)); 1356 1357 sc->sc_refcnt++; 1358 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL); 1359 } 1360 1361 Static void 1362 url_unlock_mii(struct url_softc *sc) 1363 { 1364 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1365 __FUNCTION__)); 1366 1367 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL); 1368 if (--sc->sc_refcnt < 0) 1369 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1370 } 1371 1372 Static int 1373 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1374 { 1375 struct url_softc *sc; 1376 u_int16_t val; 1377 1378 if (dev == NULL) 1379 return (0); 1380 1381 sc = USBGETSOFTC(dev); 1382 1383 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1384 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg)); 1385 1386 if (sc->sc_dying) { 1387 #ifdef DIAGNOSTIC 1388 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1389 __FUNCTION__); 1390 #endif 1391 return (0); 1392 } 1393 1394 /* XXX: one PHY only for the RTL8150 internal PHY */ 1395 if (phy != 0) { 1396 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1397 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy)); 1398 return (0); 1399 } 1400 1401 url_lock_mii(sc); 1402 1403 switch (reg) { 1404 case MII_BMCR: /* Control Register */ 1405 reg = URL_BMCR; 1406 break; 1407 case MII_BMSR: /* Status Register */ 1408 reg = URL_BMSR; 1409 break; 1410 case MII_PHYIDR1: 1411 case MII_PHYIDR2: 1412 val = 0; 1413 goto R_DONE; 1414 break; 1415 case MII_ANAR: /* Autonegotiation advertisement */ 1416 reg = URL_ANAR; 1417 break; 1418 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1419 reg = URL_ANLP; 1420 break; 1421 case URLPHY_MSR: /* Media Status Register */ 1422 reg = URL_MSR; 1423 break; 1424 default: 1425 printf("%s: %s: bad register %04x\n", 1426 USBDEVNAME(sc->sc_dev), __FUNCTION__, reg); 1427 val = 0; 1428 goto R_DONE; 1429 break; 1430 } 1431 1432 if (reg == URL_MSR) 1433 val = url_csr_read_1(sc, reg); 1434 else 1435 val = url_csr_read_2(sc, reg); 1436 1437 R_DONE: 1438 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1439 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, val)); 1440 1441 url_unlock_mii(sc); 1442 return (val); 1443 } 1444 1445 Static void 1446 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1447 { 1448 struct url_softc *sc; 1449 1450 if (dev == NULL) 1451 return; 1452 1453 sc = USBGETSOFTC(dev); 1454 1455 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1456 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, data)); 1457 1458 if (sc->sc_dying) { 1459 #ifdef DIAGNOSTIC 1460 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1461 __FUNCTION__); 1462 #endif 1463 return; 1464 } 1465 1466 /* XXX: one PHY only for the RTL8150 internal PHY */ 1467 if (phy != 0) { 1468 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1469 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy)); 1470 return; 1471 } 1472 1473 url_lock_mii(sc); 1474 1475 switch (reg) { 1476 case MII_BMCR: /* Control Register */ 1477 reg = URL_BMCR; 1478 break; 1479 case MII_BMSR: /* Status Register */ 1480 reg = URL_BMSR; 1481 break; 1482 case MII_PHYIDR1: 1483 case MII_PHYIDR2: 1484 goto W_DONE; 1485 break; 1486 case MII_ANAR: /* Autonegotiation advertisement */ 1487 reg = URL_ANAR; 1488 break; 1489 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1490 reg = URL_ANLP; 1491 break; 1492 case URLPHY_MSR: /* Media Status Register */ 1493 reg = URL_MSR; 1494 break; 1495 default: 1496 printf("%s: %s: bad register %04x\n", 1497 USBDEVNAME(sc->sc_dev), __FUNCTION__, reg); 1498 goto W_DONE; 1499 break; 1500 } 1501 1502 if (reg == URL_MSR) 1503 url_csr_write_1(sc, reg, data); 1504 else 1505 url_csr_write_2(sc, reg, data); 1506 W_DONE: 1507 1508 url_unlock_mii(sc); 1509 return; 1510 } 1511 1512 Static void 1513 url_miibus_statchg(device_ptr_t dev) 1514 { 1515 #ifdef URL_DEBUG 1516 struct url_softc *sc; 1517 1518 if (dev == NULL) 1519 return; 1520 1521 sc = USBGETSOFTC(dev); 1522 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 1523 #endif 1524 /* Nothing to do */ 1525 } 1526 1527 #if 0 1528 /* 1529 * external PHYs support, but not test. 1530 */ 1531 Static int 1532 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1533 { 1534 struct url_softc *sc = USBGETSOFTC(dev); 1535 u_int16_t val; 1536 1537 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1538 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg)); 1539 1540 if (sc->sc_dying) { 1541 #ifdef DIAGNOSTIC 1542 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1543 __FUNCTION__); 1544 #endif 1545 return (0); 1546 } 1547 1548 url_lock_mii(sc); 1549 1550 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1551 /* 1552 * RTL8150L will initiate a MII management data transaction 1553 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1554 * this bit is auto cleared by TRL8150L. 1555 */ 1556 url_csr_write_1(sc, URL_PHYCNT, 1557 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1558 for (i = 0; i < URL_TIMEOUT; i++) { 1559 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1560 break; 1561 } 1562 if (i == URL_TIMEOUT) { 1563 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1564 } 1565 1566 val = url_csr_read_2(sc, URL_PHYDAT); 1567 1568 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1569 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, val)); 1570 1571 url_unlock_mii(sc); 1572 return (val); 1573 } 1574 1575 Static void 1576 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1577 { 1578 struct url_softc *sc = USBGETSOFTC(dev); 1579 1580 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1581 USBDEVNAME(sc->sc_dev), __FUNCTION__, phy, reg, data)); 1582 1583 if (sc->sc_dying) { 1584 #ifdef DIAGNOSTIC 1585 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1586 __FUNCTION__); 1587 #endif 1588 return; 1589 } 1590 1591 url_lock_mii(sc); 1592 1593 url_csr_write_2(sc, URL_PHYDAT, data); 1594 url_csr_write_1(sc, URL_PHYADD, phy); 1595 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1596 1597 for (i=0; i < URL_TIMEOUT; i++) { 1598 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1599 break; 1600 } 1601 1602 if (i == URL_TIMEOUT) { 1603 printf("%s: MII write timed out\n", 1604 USBDEVNAME(sc->sc_dev)); 1605 } 1606 1607 url_unlock_mii(sc); 1608 return; 1609 } 1610 #endif 1611 1612
Indexes created Tue Sep 30 11:09:46 GMT 2025