if_url.c revision 1.50
1 /* $NetBSD: if_url.c,v 1.50 2016/02/09 08:32:12 ozaki-r Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2002 5 * Shingo WATANABE <nabe (at) nabechan.org>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of any co-contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 /* 34 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at 35 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf 36 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf 37 */ 38 39 /* 40 * TODO: 41 * Interrupt Endpoint support 42 * External PHYs 43 * powerhook() support? 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.50 2016/02/09 08:32:12 ozaki-r Exp $"); 48 49 #ifdef _KERNEL_OPT 50 #include "opt_inet.h" 51 #endif 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/rwlock.h> 56 #include <sys/mbuf.h> 57 #include <sys/kernel.h> 58 #include <sys/socket.h> 59 60 #include <sys/device.h> 61 #include <sys/rndsource.h> 62 63 #include <net/if.h> 64 #include <net/if_arp.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 68 #include <net/bpf.h> 69 70 #include <net/if_ether.h> 71 #ifdef INET 72 #include <netinet/in.h> 73 #include <netinet/if_inarp.h> 74 #endif 75 76 #include <dev/mii/mii.h> 77 #include <dev/mii/miivar.h> 78 #include <dev/mii/urlphyreg.h> 79 80 #include <dev/usb/usb.h> 81 #include <dev/usb/usbdi.h> 82 #include <dev/usb/usbdi_util.h> 83 #include <dev/usb/usbdevs.h> 84 85 #include <dev/usb/if_urlreg.h> 86 87 88 /* Function declarations */ 89 int url_match(device_t, cfdata_t, void *); 90 void url_attach(device_t, device_t, void *); 91 int url_detach(device_t, int); 92 int url_activate(device_t, enum devact); 93 extern struct cfdriver url_cd; 94 CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, url_detach, url_activate); 95 96 Static int url_openpipes(struct url_softc *); 97 Static int url_rx_list_init(struct url_softc *); 98 Static int url_tx_list_init(struct url_softc *); 99 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 100 Static void url_start(struct ifnet *); 101 Static int url_send(struct url_softc *, struct mbuf *, int); 102 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 103 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 104 Static void url_tick(void *); 105 Static void url_tick_task(void *); 106 Static int url_ioctl(struct ifnet *, u_long, void *); 107 Static void url_stop_task(struct url_softc *); 108 Static void url_stop(struct ifnet *, int); 109 Static void url_watchdog(struct ifnet *); 110 Static int url_ifmedia_change(struct ifnet *); 111 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 112 Static void url_lock_mii(struct url_softc *); 113 Static void url_unlock_mii(struct url_softc *); 114 Static int url_int_miibus_readreg(device_t, int, int); 115 Static void url_int_miibus_writereg(device_t, int, int, int); 116 Static void url_miibus_statchg(struct ifnet *); 117 Static int url_init(struct ifnet *); 118 Static void url_setmulti(struct url_softc *); 119 Static void url_reset(struct url_softc *); 120 121 Static int url_csr_read_1(struct url_softc *, int); 122 Static int url_csr_read_2(struct url_softc *, int); 123 Static int url_csr_write_1(struct url_softc *, int, int); 124 Static int url_csr_write_2(struct url_softc *, int, int); 125 Static int url_csr_write_4(struct url_softc *, int, int); 126 Static int url_mem(struct url_softc *, int, int, void *, int); 127 128 /* Macros */ 129 #ifdef URL_DEBUG 130 #define DPRINTF(x) if (urldebug) printf x 131 #define DPRINTFN(n,x) if (urldebug >= (n)) printf x 132 int urldebug = 0; 133 #else 134 #define DPRINTF(x) 135 #define DPRINTFN(n,x) 136 #endif 137 138 #define URL_SETBIT(sc, reg, x) \ 139 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 140 141 #define URL_SETBIT2(sc, reg, x) \ 142 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 143 144 #define URL_CLRBIT(sc, reg, x) \ 145 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 146 147 #define URL_CLRBIT2(sc, reg, x) \ 148 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 149 150 static const struct url_type { 151 struct usb_devno url_dev; 152 u_int16_t url_flags; 153 #define URL_EXT_PHY 0x0001 154 } url_devs [] = { 155 /* MELCO LUA-KTX */ 156 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 157 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 158 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 159 /* Longshine LCS-8138TX */ 160 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 161 /* Micronet SP128AR */ 162 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 163 /* OQO model 01 */ 164 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 165 }; 166 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 167 168 169 /* Probe */ 170 int 171 url_match(device_t parent, cfdata_t match, void *aux) 172 { 173 struct usb_attach_arg *uaa = aux; 174 175 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 176 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 177 } 178 /* Attach */ 179 void 180 url_attach(device_t parent, device_t self, void *aux) 181 { 182 struct url_softc *sc = device_private(self); 183 struct usb_attach_arg *uaa = aux; 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 struct ifnet *ifp; 191 struct mii_data *mii; 192 u_char eaddr[ETHER_ADDR_LEN]; 193 int i, s; 194 195 sc->sc_dev = self; 196 197 aprint_naive("\n"); 198 aprint_normal("\n"); 199 200 devinfop = usbd_devinfo_alloc(dev, 0); 201 aprint_normal_dev(self, "%s\n", devinfop); 202 usbd_devinfo_free(devinfop); 203 204 /* Move the device into the configured state. */ 205 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 206 if (err) { 207 aprint_error_dev(self, "failed to set configuration" 208 ", err=%s\n", usbd_errstr(err)); 209 goto bad; 210 } 211 212 usb_init_task(&sc->sc_tick_task, url_tick_task, sc, 0); 213 rw_init(&sc->sc_mii_rwlock); 214 usb_init_task(&sc->sc_stop_task, (void (*)(void *))url_stop_task, sc, 0); 215 216 /* get control interface */ 217 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 218 if (err) { 219 aprint_error_dev(self, "failed to get interface, err=%s\n", 220 usbd_errstr(err)); 221 goto bad; 222 } 223 224 sc->sc_udev = dev; 225 sc->sc_ctl_iface = iface; 226 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 227 228 /* get interface descriptor */ 229 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 230 231 /* find endpoints */ 232 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 233 for (i = 0; i < id->bNumEndpoints; i++) { 234 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 235 if (ed == NULL) { 236 aprint_error_dev(self, 237 "couldn't get endpoint %d\n", i); 238 goto bad; 239 } 240 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 241 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 242 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 243 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 244 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 245 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 246 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 247 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 248 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 249 } 250 251 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 252 sc->sc_intrin_no == -1) { 253 aprint_error_dev(self, "missing endpoint\n"); 254 goto bad; 255 } 256 257 s = splnet(); 258 259 /* reset the adapter */ 260 url_reset(sc); 261 262 /* Get Ethernet Address */ 263 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 264 ETHER_ADDR_LEN); 265 if (err) { 266 aprint_error_dev(self, "read MAC address failed\n"); 267 splx(s); 268 goto bad; 269 } 270 271 /* Print Ethernet Address */ 272 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 273 274 /* initialize interface information */ 275 ifp = GET_IFP(sc); 276 ifp->if_softc = sc; 277 ifp->if_mtu = ETHERMTU; 278 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 279 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 280 ifp->if_start = url_start; 281 ifp->if_ioctl = url_ioctl; 282 ifp->if_watchdog = url_watchdog; 283 ifp->if_init = url_init; 284 ifp->if_stop = url_stop; 285 286 IFQ_SET_READY(&ifp->if_snd); 287 288 /* 289 * Do ifmedia setup. 290 */ 291 mii = &sc->sc_mii; 292 mii->mii_ifp = ifp; 293 mii->mii_readreg = url_int_miibus_readreg; 294 mii->mii_writereg = url_int_miibus_writereg; 295 #if 0 296 if (sc->sc_flags & URL_EXT_PHY) { 297 mii->mii_readreg = url_ext_miibus_readreg; 298 mii->mii_writereg = url_ext_miibus_writereg; 299 } 300 #endif 301 mii->mii_statchg = url_miibus_statchg; 302 mii->mii_flags = MIIF_AUTOTSLEEP; 303 sc->sc_ec.ec_mii = mii; 304 ifmedia_init(&mii->mii_media, 0, 305 url_ifmedia_change, url_ifmedia_status); 306 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 307 if (LIST_FIRST(&mii->mii_phys) == NULL) { 308 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 309 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 310 } else 311 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 312 313 /* attach the interface */ 314 if_attach(ifp); 315 ether_ifattach(ifp, eaddr); 316 317 rnd_attach_source(&sc->rnd_source, device_xname(self), 318 RND_TYPE_NET, RND_FLAG_DEFAULT); 319 320 callout_init(&sc->sc_stat_ch, 0); 321 sc->sc_attached = 1; 322 splx(s); 323 324 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 325 326 return; 327 328 bad: 329 sc->sc_dying = 1; 330 return; 331 } 332 333 /* detach */ 334 int 335 url_detach(device_t self, int flags) 336 { 337 struct url_softc *sc = device_private(self); 338 struct ifnet *ifp = GET_IFP(sc); 339 int s; 340 341 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 342 343 /* Detached before attached finished */ 344 if (!sc->sc_attached) 345 return (0); 346 347 callout_stop(&sc->sc_stat_ch); 348 349 /* Remove any pending tasks */ 350 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 351 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 352 353 s = splusb(); 354 355 if (--sc->sc_refcnt >= 0) { 356 /* Wait for processes to go away */ 357 usb_detach_waitold(sc->sc_dev); 358 } 359 360 if (ifp->if_flags & IFF_RUNNING) 361 url_stop(GET_IFP(sc), 1); 362 363 rnd_detach_source(&sc->rnd_source); 364 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 365 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 366 ether_ifdetach(ifp); 367 if_detach(ifp); 368 369 #ifdef DIAGNOSTIC 370 if (sc->sc_pipe_tx != NULL) 371 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 372 if (sc->sc_pipe_rx != NULL) 373 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 374 if (sc->sc_pipe_intr != NULL) 375 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 376 #endif 377 378 sc->sc_attached = 0; 379 380 splx(s); 381 382 rw_destroy(&sc->sc_mii_rwlock); 383 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 384 sc->sc_dev); 385 386 return (0); 387 } 388 389 /* read/write memory */ 390 Static int 391 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 392 { 393 usb_device_request_t req; 394 usbd_status err; 395 396 if (sc == NULL) 397 return (0); 398 399 DPRINTFN(0x200, 400 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 401 402 if (sc->sc_dying) 403 return (0); 404 405 if (cmd == URL_CMD_READMEM) 406 req.bmRequestType = UT_READ_VENDOR_DEVICE; 407 else 408 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 409 req.bRequest = URL_REQ_MEM; 410 USETW(req.wValue, offset); 411 USETW(req.wIndex, 0x0000); 412 USETW(req.wLength, len); 413 414 sc->sc_refcnt++; 415 err = usbd_do_request(sc->sc_udev, &req, buf); 416 if (--sc->sc_refcnt < 0) 417 usb_detach_wakeupold(sc->sc_dev); 418 if (err) { 419 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 420 device_xname(sc->sc_dev), 421 cmd == URL_CMD_READMEM ? "read" : "write", 422 offset, err)); 423 } 424 425 return (err); 426 } 427 428 /* read 1byte from register */ 429 Static int 430 url_csr_read_1(struct url_softc *sc, int reg) 431 { 432 u_int8_t val = 0; 433 434 DPRINTFN(0x100, 435 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 436 437 if (sc->sc_dying) 438 return (0); 439 440 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 441 } 442 443 /* read 2bytes from register */ 444 Static int 445 url_csr_read_2(struct url_softc *sc, int reg) 446 { 447 uWord val; 448 449 DPRINTFN(0x100, 450 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 451 452 if (sc->sc_dying) 453 return (0); 454 455 USETW(val, 0); 456 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 457 } 458 459 /* write 1byte to register */ 460 Static int 461 url_csr_write_1(struct url_softc *sc, int reg, int aval) 462 { 463 u_int8_t val = aval; 464 465 DPRINTFN(0x100, 466 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 467 468 if (sc->sc_dying) 469 return (0); 470 471 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 472 } 473 474 /* write 2bytes to register */ 475 Static int 476 url_csr_write_2(struct url_softc *sc, int reg, int aval) 477 { 478 uWord val; 479 480 DPRINTFN(0x100, 481 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 482 483 USETW(val, aval); 484 485 if (sc->sc_dying) 486 return (0); 487 488 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 489 } 490 491 /* write 4bytes to register */ 492 Static int 493 url_csr_write_4(struct url_softc *sc, int reg, int aval) 494 { 495 uDWord val; 496 497 DPRINTFN(0x100, 498 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 499 500 USETDW(val, aval); 501 502 if (sc->sc_dying) 503 return (0); 504 505 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 506 } 507 508 Static int 509 url_init(struct ifnet *ifp) 510 { 511 struct url_softc *sc = ifp->if_softc; 512 struct mii_data *mii = GET_MII(sc); 513 const u_char *eaddr; 514 int i, rc, s; 515 516 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 517 518 if (sc->sc_dying) 519 return (EIO); 520 521 s = splnet(); 522 523 /* Cancel pending I/O and free all TX/RX buffers */ 524 url_stop(ifp, 1); 525 526 eaddr = CLLADDR(ifp->if_sadl); 527 for (i = 0; i < ETHER_ADDR_LEN; i++) 528 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 529 530 /* Init transmission control register */ 531 URL_CLRBIT(sc, URL_TCR, 532 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 533 URL_TCR_IFG1 | URL_TCR_IFG0 | 534 URL_TCR_NOCRC); 535 536 /* Init receive control register */ 537 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 538 if (ifp->if_flags & IFF_BROADCAST) 539 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 540 else 541 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 542 543 /* If we want promiscuous mode, accept all physical frames. */ 544 if (ifp->if_flags & IFF_PROMISC) 545 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 546 else 547 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 548 549 550 /* Initialize transmit ring */ 551 if (url_tx_list_init(sc) == ENOBUFS) { 552 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 553 splx(s); 554 return (EIO); 555 } 556 557 /* Initialize receive ring */ 558 if (url_rx_list_init(sc) == ENOBUFS) { 559 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 560 splx(s); 561 return (EIO); 562 } 563 564 /* Load the multicast filter */ 565 url_setmulti(sc); 566 567 /* Enable RX and TX */ 568 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 569 570 if ((rc = mii_mediachg(mii)) == ENXIO) 571 rc = 0; 572 else if (rc != 0) 573 goto out; 574 575 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 576 if (url_openpipes(sc)) { 577 splx(s); 578 return (EIO); 579 } 580 } 581 582 ifp->if_flags |= IFF_RUNNING; 583 ifp->if_flags &= ~IFF_OACTIVE; 584 585 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 586 587 out: 588 splx(s); 589 return rc; 590 } 591 592 Static void 593 url_reset(struct url_softc *sc) 594 { 595 int i; 596 597 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 598 599 if (sc->sc_dying) 600 return; 601 602 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 603 604 for (i = 0; i < URL_TX_TIMEOUT; i++) { 605 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 606 break; 607 delay(10); /* XXX */ 608 } 609 610 delay(10000); /* XXX */ 611 } 612 613 int 614 url_activate(device_t self, enum devact act) 615 { 616 struct url_softc *sc = device_private(self); 617 618 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 619 __func__, act)); 620 621 switch (act) { 622 case DVACT_DEACTIVATE: 623 if_deactivate(&sc->sc_ec.ec_if); 624 sc->sc_dying = 1; 625 return 0; 626 default: 627 return EOPNOTSUPP; 628 } 629 } 630 631 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 632 633 634 Static void 635 url_setmulti(struct url_softc *sc) 636 { 637 struct ifnet *ifp; 638 struct ether_multi *enm; 639 struct ether_multistep step; 640 u_int32_t hashes[2] = { 0, 0 }; 641 int h = 0; 642 int mcnt = 0; 643 644 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 645 646 if (sc->sc_dying) 647 return; 648 649 ifp = GET_IFP(sc); 650 651 if (ifp->if_flags & IFF_PROMISC) { 652 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 653 return; 654 } else if (ifp->if_flags & IFF_ALLMULTI) { 655 allmulti: 656 ifp->if_flags |= IFF_ALLMULTI; 657 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 658 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 659 return; 660 } 661 662 /* first, zot all the existing hash bits */ 663 url_csr_write_4(sc, URL_MAR0, 0); 664 url_csr_write_4(sc, URL_MAR4, 0); 665 666 /* now program new ones */ 667 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 668 while (enm != NULL) { 669 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 670 ETHER_ADDR_LEN) != 0) 671 goto allmulti; 672 673 h = url_calchash(enm->enm_addrlo); 674 if (h < 32) 675 hashes[0] |= (1 << h); 676 else 677 hashes[1] |= (1 << (h -32)); 678 mcnt++; 679 ETHER_NEXT_MULTI(step, enm); 680 } 681 682 ifp->if_flags &= ~IFF_ALLMULTI; 683 684 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 685 686 if (mcnt){ 687 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 688 } else { 689 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 690 } 691 url_csr_write_4(sc, URL_MAR0, hashes[0]); 692 url_csr_write_4(sc, URL_MAR4, hashes[1]); 693 } 694 695 Static int 696 url_openpipes(struct url_softc *sc) 697 { 698 struct url_chain *c; 699 usbd_status err; 700 int i; 701 int error = 0; 702 703 if (sc->sc_dying) 704 return (EIO); 705 706 sc->sc_refcnt++; 707 708 /* Open RX pipe */ 709 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 710 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 711 if (err) { 712 printf("%s: open rx pipe failed: %s\n", 713 device_xname(sc->sc_dev), usbd_errstr(err)); 714 error = EIO; 715 goto done; 716 } 717 718 /* Open TX pipe */ 719 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 720 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 721 if (err) { 722 printf("%s: open tx pipe failed: %s\n", 723 device_xname(sc->sc_dev), usbd_errstr(err)); 724 error = EIO; 725 goto done; 726 } 727 728 #if 0 729 /* XXX: interrupt endpoint is not yet supported */ 730 /* Open Interrupt pipe */ 731 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 732 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 733 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 734 url_intr, USBD_DEFAULT_INTERVAL); 735 if (err) { 736 printf("%s: open intr pipe failed: %s\n", 737 device_xname(sc->sc_dev), usbd_errstr(err)); 738 error = EIO; 739 goto done; 740 } 741 #endif 742 743 744 /* Start up the receive pipe. */ 745 for (i = 0; i < URL_RX_LIST_CNT; i++) { 746 c = &sc->sc_cdata.url_rx_chain[i]; 747 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 748 c, c->url_buf, URL_BUFSZ, 749 USBD_SHORT_XFER_OK | USBD_NO_COPY, 750 USBD_NO_TIMEOUT, url_rxeof); 751 (void)usbd_transfer(c->url_xfer); 752 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 753 __func__)); 754 } 755 756 done: 757 if (--sc->sc_refcnt < 0) 758 usb_detach_wakeupold(sc->sc_dev); 759 760 return (error); 761 } 762 763 Static int 764 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 765 { 766 struct mbuf *m_new = NULL; 767 768 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 769 770 if (m == NULL) { 771 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 772 if (m_new == NULL) { 773 printf("%s: no memory for rx list " 774 "-- packet dropped!\n", device_xname(sc->sc_dev)); 775 return (ENOBUFS); 776 } 777 MCLGET(m_new, M_DONTWAIT); 778 if (!(m_new->m_flags & M_EXT)) { 779 printf("%s: no memory for rx list " 780 "-- packet dropped!\n", device_xname(sc->sc_dev)); 781 m_freem(m_new); 782 return (ENOBUFS); 783 } 784 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 785 } else { 786 m_new = m; 787 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 788 m_new->m_data = m_new->m_ext.ext_buf; 789 } 790 791 m_adj(m_new, ETHER_ALIGN); 792 c->url_mbuf = m_new; 793 794 return (0); 795 } 796 797 798 Static int 799 url_rx_list_init(struct url_softc *sc) 800 { 801 struct url_cdata *cd; 802 struct url_chain *c; 803 int i; 804 805 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 806 807 cd = &sc->sc_cdata; 808 for (i = 0; i < URL_RX_LIST_CNT; i++) { 809 c = &cd->url_rx_chain[i]; 810 c->url_sc = sc; 811 c->url_idx = i; 812 if (url_newbuf(sc, c, NULL) == ENOBUFS) 813 return (ENOBUFS); 814 if (c->url_xfer == NULL) { 815 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 816 if (c->url_xfer == NULL) 817 return (ENOBUFS); 818 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 819 if (c->url_buf == NULL) { 820 usbd_free_xfer(c->url_xfer); 821 return (ENOBUFS); 822 } 823 } 824 } 825 826 return (0); 827 } 828 829 Static int 830 url_tx_list_init(struct url_softc *sc) 831 { 832 struct url_cdata *cd; 833 struct url_chain *c; 834 int i; 835 836 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 837 838 cd = &sc->sc_cdata; 839 for (i = 0; i < URL_TX_LIST_CNT; i++) { 840 c = &cd->url_tx_chain[i]; 841 c->url_sc = sc; 842 c->url_idx = i; 843 c->url_mbuf = NULL; 844 if (c->url_xfer == NULL) { 845 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 846 if (c->url_xfer == NULL) 847 return (ENOBUFS); 848 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 849 if (c->url_buf == NULL) { 850 usbd_free_xfer(c->url_xfer); 851 return (ENOBUFS); 852 } 853 } 854 } 855 856 return (0); 857 } 858 859 Static void 860 url_start(struct ifnet *ifp) 861 { 862 struct url_softc *sc = ifp->if_softc; 863 struct mbuf *m_head = NULL; 864 865 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 866 __func__, sc->sc_link)); 867 868 if (sc->sc_dying) 869 return; 870 871 if (!sc->sc_link) 872 return; 873 874 if (ifp->if_flags & IFF_OACTIVE) 875 return; 876 877 IFQ_POLL(&ifp->if_snd, m_head); 878 if (m_head == NULL) 879 return; 880 881 if (url_send(sc, m_head, 0)) { 882 ifp->if_flags |= IFF_OACTIVE; 883 return; 884 } 885 886 IFQ_DEQUEUE(&ifp->if_snd, m_head); 887 888 bpf_mtap(ifp, m_head); 889 890 ifp->if_flags |= IFF_OACTIVE; 891 892 /* Set a timeout in case the chip goes out to lunch. */ 893 ifp->if_timer = 5; 894 } 895 896 Static int 897 url_send(struct url_softc *sc, struct mbuf *m, int idx) 898 { 899 int total_len; 900 struct url_chain *c; 901 usbd_status err; 902 903 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 904 905 c = &sc->sc_cdata.url_tx_chain[idx]; 906 907 /* Copy the mbuf data into a contiguous buffer */ 908 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 909 c->url_mbuf = m; 910 total_len = m->m_pkthdr.len; 911 912 if (total_len < URL_MIN_FRAME_LEN) { 913 memset(c->url_buf + total_len, 0, 914 URL_MIN_FRAME_LEN - total_len); 915 total_len = URL_MIN_FRAME_LEN; 916 } 917 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 918 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 919 URL_TX_TIMEOUT, url_txeof); 920 921 /* Transmit */ 922 sc->sc_refcnt++; 923 err = usbd_transfer(c->url_xfer); 924 if (--sc->sc_refcnt < 0) 925 usb_detach_wakeupold(sc->sc_dev); 926 if (err != USBD_IN_PROGRESS) { 927 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 928 usbd_errstr(err)); 929 /* Stop the interface */ 930 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 931 USB_TASKQ_DRIVER); 932 return (EIO); 933 } 934 935 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 936 __func__, total_len)); 937 938 sc->sc_cdata.url_tx_cnt++; 939 940 return (0); 941 } 942 943 Static void 944 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 945 usbd_status status) 946 { 947 struct url_chain *c = priv; 948 struct url_softc *sc = c->url_sc; 949 struct ifnet *ifp = GET_IFP(sc); 950 int s; 951 952 if (sc->sc_dying) 953 return; 954 955 s = splnet(); 956 957 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 958 959 ifp->if_timer = 0; 960 ifp->if_flags &= ~IFF_OACTIVE; 961 962 if (status != USBD_NORMAL_COMPLETION) { 963 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 964 splx(s); 965 return; 966 } 967 ifp->if_oerrors++; 968 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 969 usbd_errstr(status)); 970 if (status == USBD_STALLED) { 971 sc->sc_refcnt++; 972 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 973 if (--sc->sc_refcnt < 0) 974 usb_detach_wakeupold(sc->sc_dev); 975 } 976 splx(s); 977 return; 978 } 979 980 ifp->if_opackets++; 981 982 m_freem(c->url_mbuf); 983 c->url_mbuf = NULL; 984 985 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 986 url_start(ifp); 987 988 splx(s); 989 } 990 991 Static void 992 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 993 { 994 struct url_chain *c = priv; 995 struct url_softc *sc = c->url_sc; 996 struct ifnet *ifp = GET_IFP(sc); 997 struct mbuf *m; 998 u_int32_t total_len; 999 url_rxhdr_t rxhdr; 1000 int s; 1001 1002 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1003 1004 if (sc->sc_dying) 1005 return; 1006 1007 if (status != USBD_NORMAL_COMPLETION) { 1008 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1009 return; 1010 sc->sc_rx_errs++; 1011 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1012 printf("%s: %u usb errors on rx: %s\n", 1013 device_xname(sc->sc_dev), sc->sc_rx_errs, 1014 usbd_errstr(status)); 1015 sc->sc_rx_errs = 0; 1016 } 1017 if (status == USBD_STALLED) { 1018 sc->sc_refcnt++; 1019 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1020 if (--sc->sc_refcnt < 0) 1021 usb_detach_wakeupold(sc->sc_dev); 1022 } 1023 goto done; 1024 } 1025 1026 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1027 1028 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1029 1030 if (total_len <= ETHER_CRC_LEN) { 1031 ifp->if_ierrors++; 1032 goto done; 1033 } 1034 1035 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1036 1037 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1038 device_xname(sc->sc_dev), 1039 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1040 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1041 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1042 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1043 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1044 1045 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1046 ifp->if_ierrors++; 1047 goto done; 1048 } 1049 1050 ifp->if_ipackets++; 1051 total_len -= ETHER_CRC_LEN; 1052 1053 m = c->url_mbuf; 1054 m->m_pkthdr.len = m->m_len = total_len; 1055 m->m_pkthdr.rcvif = ifp; 1056 1057 s = splnet(); 1058 1059 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1060 ifp->if_ierrors++; 1061 goto done1; 1062 } 1063 1064 bpf_mtap(ifp, m); 1065 1066 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1067 __func__, m->m_len)); 1068 if_percpuq_enqueue((ifp)->if_percpuq, (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_wakeupold(sc->sc_dev); 1082 1083 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1084 } 1085 1086 #if 0 1087 Static void url_intr(void) 1088 { 1089 } 1090 #endif 1091 1092 Static int 1093 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1094 { 1095 struct url_softc *sc = ifp->if_softc; 1096 int s, error = 0; 1097 1098 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1099 1100 if (sc->sc_dying) 1101 return (EIO); 1102 1103 s = splnet(); 1104 1105 error = ether_ioctl(ifp, cmd, data); 1106 if (error == ENETRESET) { 1107 if (ifp->if_flags & IFF_RUNNING) 1108 url_setmulti(sc); 1109 error = 0; 1110 } 1111 1112 splx(s); 1113 1114 return (error); 1115 } 1116 1117 Static void 1118 url_watchdog(struct ifnet *ifp) 1119 { 1120 struct url_softc *sc = ifp->if_softc; 1121 struct url_chain *c; 1122 usbd_status stat; 1123 int s; 1124 1125 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1126 1127 ifp->if_oerrors++; 1128 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1129 1130 s = splusb(); 1131 c = &sc->sc_cdata.url_tx_chain[0]; 1132 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1133 url_txeof(c->url_xfer, c, stat); 1134 1135 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1136 url_start(ifp); 1137 splx(s); 1138 } 1139 1140 Static void 1141 url_stop_task(struct url_softc *sc) 1142 { 1143 url_stop(GET_IFP(sc), 1); 1144 } 1145 1146 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1147 Static void 1148 url_stop(struct ifnet *ifp, int disable) 1149 { 1150 struct url_softc *sc = ifp->if_softc; 1151 usbd_status err; 1152 int i; 1153 1154 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1155 1156 ifp->if_timer = 0; 1157 1158 url_reset(sc); 1159 1160 callout_stop(&sc->sc_stat_ch); 1161 1162 /* Stop transfers */ 1163 /* RX endpoint */ 1164 if (sc->sc_pipe_rx != NULL) { 1165 err = usbd_abort_pipe(sc->sc_pipe_rx); 1166 if (err) 1167 printf("%s: abort rx pipe failed: %s\n", 1168 device_xname(sc->sc_dev), usbd_errstr(err)); 1169 err = usbd_close_pipe(sc->sc_pipe_rx); 1170 if (err) 1171 printf("%s: close rx pipe failed: %s\n", 1172 device_xname(sc->sc_dev), usbd_errstr(err)); 1173 sc->sc_pipe_rx = NULL; 1174 } 1175 1176 /* TX endpoint */ 1177 if (sc->sc_pipe_tx != NULL) { 1178 err = usbd_abort_pipe(sc->sc_pipe_tx); 1179 if (err) 1180 printf("%s: abort tx pipe failed: %s\n", 1181 device_xname(sc->sc_dev), usbd_errstr(err)); 1182 err = usbd_close_pipe(sc->sc_pipe_tx); 1183 if (err) 1184 printf("%s: close tx pipe failed: %s\n", 1185 device_xname(sc->sc_dev), usbd_errstr(err)); 1186 sc->sc_pipe_tx = NULL; 1187 } 1188 1189 #if 0 1190 /* XXX: Interrupt endpoint is not yet supported!! */ 1191 /* Interrupt endpoint */ 1192 if (sc->sc_pipe_intr != NULL) { 1193 err = usbd_abort_pipe(sc->sc_pipe_intr); 1194 if (err) 1195 printf("%s: abort intr pipe failed: %s\n", 1196 device_xname(sc->sc_dev), usbd_errstr(err)); 1197 err = usbd_close_pipe(sc->sc_pipe_intr); 1198 if (err) 1199 printf("%s: close intr pipe failed: %s\n", 1200 device_xname(sc->sc_dev), usbd_errstr(err)); 1201 sc->sc_pipe_intr = NULL; 1202 } 1203 #endif 1204 1205 /* Free RX resources. */ 1206 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1207 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1208 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1209 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1210 } 1211 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1212 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1213 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1214 } 1215 } 1216 1217 /* Free TX resources. */ 1218 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1219 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1220 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1221 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1222 } 1223 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1224 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1225 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1226 } 1227 } 1228 1229 sc->sc_link = 0; 1230 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1231 } 1232 1233 /* Set media options */ 1234 Static int 1235 url_ifmedia_change(struct ifnet *ifp) 1236 { 1237 struct url_softc *sc = ifp->if_softc; 1238 struct mii_data *mii = GET_MII(sc); 1239 int rc; 1240 1241 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1242 1243 if (sc->sc_dying) 1244 return (0); 1245 1246 sc->sc_link = 0; 1247 if ((rc = mii_mediachg(mii)) == ENXIO) 1248 return 0; 1249 return rc; 1250 } 1251 1252 /* Report current media status. */ 1253 Static void 1254 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1255 { 1256 struct url_softc *sc = ifp->if_softc; 1257 1258 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1259 1260 if (sc->sc_dying) 1261 return; 1262 1263 ether_mediastatus(ifp, ifmr); 1264 } 1265 1266 Static void 1267 url_tick(void *xsc) 1268 { 1269 struct url_softc *sc = xsc; 1270 1271 if (sc == NULL) 1272 return; 1273 1274 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1275 __func__)); 1276 1277 if (sc->sc_dying) 1278 return; 1279 1280 /* Perform periodic stuff in process context */ 1281 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1282 } 1283 1284 Static void 1285 url_tick_task(void *xsc) 1286 { 1287 struct url_softc *sc = xsc; 1288 struct ifnet *ifp; 1289 struct mii_data *mii; 1290 int s; 1291 1292 if (sc == NULL) 1293 return; 1294 1295 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1296 __func__)); 1297 1298 if (sc->sc_dying) 1299 return; 1300 1301 ifp = GET_IFP(sc); 1302 mii = GET_MII(sc); 1303 1304 if (mii == NULL) 1305 return; 1306 1307 s = splnet(); 1308 1309 mii_tick(mii); 1310 if (!sc->sc_link) { 1311 mii_pollstat(mii); 1312 if (mii->mii_media_status & IFM_ACTIVE && 1313 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1314 DPRINTF(("%s: %s: got link\n", 1315 device_xname(sc->sc_dev), __func__)); 1316 sc->sc_link++; 1317 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1318 url_start(ifp); 1319 } 1320 } 1321 1322 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1323 1324 splx(s); 1325 } 1326 1327 /* Get exclusive access to the MII registers */ 1328 Static void 1329 url_lock_mii(struct url_softc *sc) 1330 { 1331 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1332 __func__)); 1333 1334 sc->sc_refcnt++; 1335 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1336 } 1337 1338 Static void 1339 url_unlock_mii(struct url_softc *sc) 1340 { 1341 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1342 __func__)); 1343 1344 rw_exit(&sc->sc_mii_rwlock); 1345 if (--sc->sc_refcnt < 0) 1346 usb_detach_wakeupold(sc->sc_dev); 1347 } 1348 1349 Static int 1350 url_int_miibus_readreg(device_t dev, int phy, int reg) 1351 { 1352 struct url_softc *sc; 1353 u_int16_t val; 1354 1355 if (dev == NULL) 1356 return (0); 1357 1358 sc = device_private(dev); 1359 1360 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1361 device_xname(sc->sc_dev), __func__, phy, reg)); 1362 1363 if (sc->sc_dying) { 1364 #ifdef DIAGNOSTIC 1365 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1366 __func__); 1367 #endif 1368 return (0); 1369 } 1370 1371 /* XXX: one PHY only for the RTL8150 internal PHY */ 1372 if (phy != 0) { 1373 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1374 device_xname(sc->sc_dev), __func__, phy)); 1375 return (0); 1376 } 1377 1378 url_lock_mii(sc); 1379 1380 switch (reg) { 1381 case MII_BMCR: /* Control Register */ 1382 reg = URL_BMCR; 1383 break; 1384 case MII_BMSR: /* Status Register */ 1385 reg = URL_BMSR; 1386 break; 1387 case MII_PHYIDR1: 1388 case MII_PHYIDR2: 1389 val = 0; 1390 goto R_DONE; 1391 break; 1392 case MII_ANAR: /* Autonegotiation advertisement */ 1393 reg = URL_ANAR; 1394 break; 1395 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1396 reg = URL_ANLP; 1397 break; 1398 case URLPHY_MSR: /* Media Status Register */ 1399 reg = URL_MSR; 1400 break; 1401 default: 1402 printf("%s: %s: bad register %04x\n", 1403 device_xname(sc->sc_dev), __func__, reg); 1404 val = 0; 1405 goto R_DONE; 1406 break; 1407 } 1408 1409 if (reg == URL_MSR) 1410 val = url_csr_read_1(sc, reg); 1411 else 1412 val = url_csr_read_2(sc, reg); 1413 1414 R_DONE: 1415 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1416 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1417 1418 url_unlock_mii(sc); 1419 return (val); 1420 } 1421 1422 Static void 1423 url_int_miibus_writereg(device_t dev, int phy, int reg, int data) 1424 { 1425 struct url_softc *sc; 1426 1427 if (dev == NULL) 1428 return; 1429 1430 sc = device_private(dev); 1431 1432 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1433 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1434 1435 if (sc->sc_dying) { 1436 #ifdef DIAGNOSTIC 1437 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1438 __func__); 1439 #endif 1440 return; 1441 } 1442 1443 /* XXX: one PHY only for the RTL8150 internal PHY */ 1444 if (phy != 0) { 1445 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1446 device_xname(sc->sc_dev), __func__, phy)); 1447 return; 1448 } 1449 1450 url_lock_mii(sc); 1451 1452 switch (reg) { 1453 case MII_BMCR: /* Control Register */ 1454 reg = URL_BMCR; 1455 break; 1456 case MII_BMSR: /* Status Register */ 1457 reg = URL_BMSR; 1458 break; 1459 case MII_PHYIDR1: 1460 case MII_PHYIDR2: 1461 goto W_DONE; 1462 break; 1463 case MII_ANAR: /* Autonegotiation advertisement */ 1464 reg = URL_ANAR; 1465 break; 1466 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1467 reg = URL_ANLP; 1468 break; 1469 case URLPHY_MSR: /* Media Status Register */ 1470 reg = URL_MSR; 1471 break; 1472 default: 1473 printf("%s: %s: bad register %04x\n", 1474 device_xname(sc->sc_dev), __func__, reg); 1475 goto W_DONE; 1476 break; 1477 } 1478 1479 if (reg == URL_MSR) 1480 url_csr_write_1(sc, reg, data); 1481 else 1482 url_csr_write_2(sc, reg, data); 1483 W_DONE: 1484 1485 url_unlock_mii(sc); 1486 return; 1487 } 1488 1489 Static void 1490 url_miibus_statchg(struct ifnet *ifp) 1491 { 1492 #ifdef URL_DEBUG 1493 if (ifp == NULL) 1494 return; 1495 1496 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1497 #endif 1498 /* Nothing to do */ 1499 } 1500 1501 #if 0 1502 /* 1503 * external PHYs support, but not test. 1504 */ 1505 Static int 1506 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1507 { 1508 struct url_softc *sc = device_private(dev); 1509 u_int16_t val; 1510 1511 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1512 device_xname(sc->sc_dev), __func__, phy, reg)); 1513 1514 if (sc->sc_dying) { 1515 #ifdef DIAGNOSTIC 1516 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1517 __func__); 1518 #endif 1519 return (0); 1520 } 1521 1522 url_lock_mii(sc); 1523 1524 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1525 /* 1526 * RTL8150L will initiate a MII management data transaction 1527 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1528 * this bit is auto cleared by TRL8150L. 1529 */ 1530 url_csr_write_1(sc, URL_PHYCNT, 1531 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1532 for (i = 0; i < URL_TIMEOUT; i++) { 1533 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1534 break; 1535 } 1536 if (i == URL_TIMEOUT) { 1537 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1538 } 1539 1540 val = url_csr_read_2(sc, URL_PHYDAT); 1541 1542 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1543 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1544 1545 url_unlock_mii(sc); 1546 return (val); 1547 } 1548 1549 Static void 1550 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1551 { 1552 struct url_softc *sc = device_private(dev); 1553 1554 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1555 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1556 1557 if (sc->sc_dying) { 1558 #ifdef DIAGNOSTIC 1559 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1560 __func__); 1561 #endif 1562 return; 1563 } 1564 1565 url_lock_mii(sc); 1566 1567 url_csr_write_2(sc, URL_PHYDAT, data); 1568 url_csr_write_1(sc, URL_PHYADD, phy); 1569 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1570 1571 for (i=0; i < URL_TIMEOUT; i++) { 1572 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1573 break; 1574 } 1575 1576 if (i == URL_TIMEOUT) { 1577 printf("%s: MII write timed out\n", 1578 device_xname(sc->sc_dev)); 1579 } 1580 1581 url_unlock_mii(sc); 1582 return; 1583 } 1584 #endif 1585
Indexes created Tue Sep 30 20:09:53 GMT 2025