if_url.c revision 1.40
1 /* $NetBSD: if_url.c,v 1.40 2011/12/23 00:51:44 jakllsch Exp $ */ 2 /* 3 * Copyright (c) 2001, 2002 4 * Shingo WATANABE <nabe (at) nabechan.org>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the author nor the names of any co-contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 /* 33 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at 34 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf 35 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf 36 */ 37 38 /* 39 * TODO: 40 * Interrupt Endpoint support 41 * External PHYs 42 * powerhook() support? 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.40 2011/12/23 00:51:44 jakllsch Exp $"); 47 48 #include "opt_inet.h" 49 #include "rnd.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/rwlock.h> 54 #include <sys/mbuf.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 58 #include <sys/device.h> 59 #if NRND > 0 60 #include <sys/rnd.h> 61 #endif 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(device_t); 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, "setting config no failed\n"); 208 goto bad; 209 } 210 211 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 212 rw_init(&sc->sc_mii_rwlock); 213 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 214 215 /* get control interface */ 216 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 217 if (err) { 218 aprint_error_dev(self, "failed to get interface, err=%s\n", 219 usbd_errstr(err)); 220 goto bad; 221 } 222 223 sc->sc_udev = dev; 224 sc->sc_ctl_iface = iface; 225 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 226 227 /* get interface descriptor */ 228 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 229 230 /* find endpoints */ 231 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 232 for (i = 0; i < id->bNumEndpoints; i++) { 233 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 234 if (ed == NULL) { 235 aprint_error_dev(self, 236 "couldn't get endpoint %d\n", i); 237 goto bad; 238 } 239 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 240 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 241 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 242 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 244 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 245 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 246 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 247 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 248 } 249 250 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 251 sc->sc_intrin_no == -1) { 252 aprint_error_dev(self, "missing endpoint\n"); 253 goto bad; 254 } 255 256 s = splnet(); 257 258 /* reset the adapter */ 259 url_reset(sc); 260 261 /* Get Ethernet Address */ 262 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 263 ETHER_ADDR_LEN); 264 if (err) { 265 aprint_error_dev(self, "read MAC address failed\n"); 266 splx(s); 267 goto bad; 268 } 269 270 /* Print Ethernet Address */ 271 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 272 273 /* initialize interface information */ 274 ifp = GET_IFP(sc); 275 ifp->if_softc = sc; 276 ifp->if_mtu = ETHERMTU; 277 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 278 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 279 ifp->if_start = url_start; 280 ifp->if_ioctl = url_ioctl; 281 ifp->if_watchdog = url_watchdog; 282 ifp->if_init = url_init; 283 ifp->if_stop = url_stop; 284 285 IFQ_SET_READY(&ifp->if_snd); 286 287 /* 288 * Do ifmedia setup. 289 */ 290 mii = &sc->sc_mii; 291 mii->mii_ifp = ifp; 292 mii->mii_readreg = url_int_miibus_readreg; 293 mii->mii_writereg = url_int_miibus_writereg; 294 #if 0 295 if (sc->sc_flags & URL_EXT_PHY) { 296 mii->mii_readreg = url_ext_miibus_readreg; 297 mii->mii_writereg = url_ext_miibus_writereg; 298 } 299 #endif 300 mii->mii_statchg = url_miibus_statchg; 301 mii->mii_flags = MIIF_AUTOTSLEEP; 302 sc->sc_ec.ec_mii = mii; 303 ifmedia_init(&mii->mii_media, 0, 304 url_ifmedia_change, url_ifmedia_status); 305 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 306 if (LIST_FIRST(&mii->mii_phys) == NULL) { 307 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 308 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 309 } else 310 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 311 312 /* attach the interface */ 313 if_attach(ifp); 314 ether_ifattach(ifp, eaddr); 315 316 #if NRND > 0 317 rnd_attach_source(&sc->rnd_source, device_xname(self), 318 RND_TYPE_NET, 0); 319 #endif 320 321 callout_init(&sc->sc_stat_ch, 0); 322 sc->sc_attached = 1; 323 splx(s); 324 325 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 326 327 return; 328 329 bad: 330 sc->sc_dying = 1; 331 return; 332 } 333 334 /* detach */ 335 int 336 url_detach(device_t self, int flags) 337 { 338 struct url_softc *sc = device_private(self); 339 struct ifnet *ifp = GET_IFP(sc); 340 int s; 341 342 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 343 344 /* Detached before attached finished */ 345 if (!sc->sc_attached) 346 return (0); 347 348 callout_stop(&sc->sc_stat_ch); 349 350 /* Remove any pending tasks */ 351 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 352 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 353 354 s = splusb(); 355 356 if (--sc->sc_refcnt >= 0) { 357 /* Wait for processes to go away */ 358 usb_detach_wait(sc->sc_dev); 359 } 360 361 if (ifp->if_flags & IFF_RUNNING) 362 url_stop(GET_IFP(sc), 1); 363 364 #if NRND > 0 365 rnd_detach_source(&sc->rnd_source); 366 #endif 367 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 368 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 369 ether_ifdetach(ifp); 370 if_detach(ifp); 371 372 #ifdef DIAGNOSTIC 373 if (sc->sc_pipe_tx != NULL) 374 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 375 if (sc->sc_pipe_rx != NULL) 376 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 377 if (sc->sc_pipe_intr != NULL) 378 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 379 #endif 380 381 sc->sc_attached = 0; 382 383 splx(s); 384 385 rw_destroy(&sc->sc_mii_rwlock); 386 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 387 sc->sc_dev); 388 389 return (0); 390 } 391 392 /* read/write memory */ 393 Static int 394 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 395 { 396 usb_device_request_t req; 397 usbd_status err; 398 399 if (sc == NULL) 400 return (0); 401 402 DPRINTFN(0x200, 403 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 404 405 if (sc->sc_dying) 406 return (0); 407 408 if (cmd == URL_CMD_READMEM) 409 req.bmRequestType = UT_READ_VENDOR_DEVICE; 410 else 411 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 412 req.bRequest = URL_REQ_MEM; 413 USETW(req.wValue, offset); 414 USETW(req.wIndex, 0x0000); 415 USETW(req.wLength, len); 416 417 sc->sc_refcnt++; 418 err = usbd_do_request(sc->sc_udev, &req, buf); 419 if (--sc->sc_refcnt < 0) 420 usb_detach_wakeup(sc->sc_dev); 421 if (err) { 422 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 423 device_xname(sc->sc_dev), 424 cmd == URL_CMD_READMEM ? "read" : "write", 425 offset, err)); 426 } 427 428 return (err); 429 } 430 431 /* read 1byte from register */ 432 Static int 433 url_csr_read_1(struct url_softc *sc, int reg) 434 { 435 u_int8_t val = 0; 436 437 DPRINTFN(0x100, 438 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 439 440 if (sc->sc_dying) 441 return (0); 442 443 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 444 } 445 446 /* read 2bytes from register */ 447 Static int 448 url_csr_read_2(struct url_softc *sc, int reg) 449 { 450 uWord val; 451 452 DPRINTFN(0x100, 453 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 454 455 if (sc->sc_dying) 456 return (0); 457 458 USETW(val, 0); 459 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 460 } 461 462 /* write 1byte to register */ 463 Static int 464 url_csr_write_1(struct url_softc *sc, int reg, int aval) 465 { 466 u_int8_t val = aval; 467 468 DPRINTFN(0x100, 469 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 470 471 if (sc->sc_dying) 472 return (0); 473 474 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 475 } 476 477 /* write 2bytes to register */ 478 Static int 479 url_csr_write_2(struct url_softc *sc, int reg, int aval) 480 { 481 uWord val; 482 483 DPRINTFN(0x100, 484 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 485 486 USETW(val, aval); 487 488 if (sc->sc_dying) 489 return (0); 490 491 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 492 } 493 494 /* write 4bytes to register */ 495 Static int 496 url_csr_write_4(struct url_softc *sc, int reg, int aval) 497 { 498 uDWord val; 499 500 DPRINTFN(0x100, 501 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 502 503 USETDW(val, aval); 504 505 if (sc->sc_dying) 506 return (0); 507 508 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 509 } 510 511 Static int 512 url_init(struct ifnet *ifp) 513 { 514 struct url_softc *sc = ifp->if_softc; 515 struct mii_data *mii = GET_MII(sc); 516 const u_char *eaddr; 517 int i, rc, s; 518 519 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 520 521 if (sc->sc_dying) 522 return (EIO); 523 524 s = splnet(); 525 526 /* Cancel pending I/O and free all TX/RX buffers */ 527 url_stop(ifp, 1); 528 529 eaddr = CLLADDR(ifp->if_sadl); 530 for (i = 0; i < ETHER_ADDR_LEN; i++) 531 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 532 533 /* Init transmission control register */ 534 URL_CLRBIT(sc, URL_TCR, 535 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 536 URL_TCR_IFG1 | URL_TCR_IFG0 | 537 URL_TCR_NOCRC); 538 539 /* Init receive control register */ 540 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 541 if (ifp->if_flags & IFF_BROADCAST) 542 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 543 else 544 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 545 546 /* If we want promiscuous mode, accept all physical frames. */ 547 if (ifp->if_flags & IFF_PROMISC) 548 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 549 else 550 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 551 552 553 /* Initialize transmit ring */ 554 if (url_tx_list_init(sc) == ENOBUFS) { 555 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 556 splx(s); 557 return (EIO); 558 } 559 560 /* Initialize receive ring */ 561 if (url_rx_list_init(sc) == ENOBUFS) { 562 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 563 splx(s); 564 return (EIO); 565 } 566 567 /* Load the multicast filter */ 568 url_setmulti(sc); 569 570 /* Enable RX and TX */ 571 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 572 573 if ((rc = mii_mediachg(mii)) == ENXIO) 574 rc = 0; 575 else if (rc != 0) 576 goto out; 577 578 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 579 if (url_openpipes(sc)) { 580 splx(s); 581 return (EIO); 582 } 583 } 584 585 ifp->if_flags |= IFF_RUNNING; 586 ifp->if_flags &= ~IFF_OACTIVE; 587 588 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 589 590 out: 591 splx(s); 592 return rc; 593 } 594 595 Static void 596 url_reset(struct url_softc *sc) 597 { 598 int i; 599 600 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 601 602 if (sc->sc_dying) 603 return; 604 605 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 606 607 for (i = 0; i < URL_TX_TIMEOUT; i++) { 608 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 609 break; 610 delay(10); /* XXX */ 611 } 612 613 delay(10000); /* XXX */ 614 } 615 616 int 617 url_activate(device_t self, enum devact act) 618 { 619 struct url_softc *sc = device_private(self); 620 621 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 622 __func__, act)); 623 624 switch (act) { 625 case DVACT_DEACTIVATE: 626 if_deactivate(&sc->sc_ec.ec_if); 627 sc->sc_dying = 1; 628 return 0; 629 default: 630 return EOPNOTSUPP; 631 } 632 } 633 634 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 635 636 637 Static void 638 url_setmulti(struct url_softc *sc) 639 { 640 struct ifnet *ifp; 641 struct ether_multi *enm; 642 struct ether_multistep step; 643 u_int32_t hashes[2] = { 0, 0 }; 644 int h = 0; 645 int mcnt = 0; 646 647 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 648 649 if (sc->sc_dying) 650 return; 651 652 ifp = GET_IFP(sc); 653 654 if (ifp->if_flags & IFF_PROMISC) { 655 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 656 return; 657 } else if (ifp->if_flags & IFF_ALLMULTI) { 658 allmulti: 659 ifp->if_flags |= IFF_ALLMULTI; 660 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 661 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 662 return; 663 } 664 665 /* first, zot all the existing hash bits */ 666 url_csr_write_4(sc, URL_MAR0, 0); 667 url_csr_write_4(sc, URL_MAR4, 0); 668 669 /* now program new ones */ 670 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 671 while (enm != NULL) { 672 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 673 ETHER_ADDR_LEN) != 0) 674 goto allmulti; 675 676 h = url_calchash(enm->enm_addrlo); 677 if (h < 32) 678 hashes[0] |= (1 << h); 679 else 680 hashes[1] |= (1 << (h -32)); 681 mcnt++; 682 ETHER_NEXT_MULTI(step, enm); 683 } 684 685 ifp->if_flags &= ~IFF_ALLMULTI; 686 687 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 688 689 if (mcnt){ 690 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 691 } else { 692 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 693 } 694 url_csr_write_4(sc, URL_MAR0, hashes[0]); 695 url_csr_write_4(sc, URL_MAR4, hashes[1]); 696 } 697 698 Static int 699 url_openpipes(struct url_softc *sc) 700 { 701 struct url_chain *c; 702 usbd_status err; 703 int i; 704 int error = 0; 705 706 if (sc->sc_dying) 707 return (EIO); 708 709 sc->sc_refcnt++; 710 711 /* Open RX pipe */ 712 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 713 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 714 if (err) { 715 printf("%s: open rx pipe failed: %s\n", 716 device_xname(sc->sc_dev), usbd_errstr(err)); 717 error = EIO; 718 goto done; 719 } 720 721 /* Open TX pipe */ 722 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 723 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 724 if (err) { 725 printf("%s: open tx pipe failed: %s\n", 726 device_xname(sc->sc_dev), usbd_errstr(err)); 727 error = EIO; 728 goto done; 729 } 730 731 #if 0 732 /* XXX: interrupt endpoint is not yet supported */ 733 /* Open Interrupt pipe */ 734 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 735 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 736 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 737 url_intr, USBD_DEFAULT_INTERVAL); 738 if (err) { 739 printf("%s: open intr pipe failed: %s\n", 740 device_xname(sc->sc_dev), usbd_errstr(err)); 741 error = EIO; 742 goto done; 743 } 744 #endif 745 746 747 /* Start up the receive pipe. */ 748 for (i = 0; i < URL_RX_LIST_CNT; i++) { 749 c = &sc->sc_cdata.url_rx_chain[i]; 750 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_rx, 751 c, c->url_buf, URL_BUFSZ, 752 USBD_SHORT_XFER_OK | USBD_NO_COPY, 753 USBD_NO_TIMEOUT, url_rxeof); 754 (void)usbd_transfer(c->url_xfer); 755 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 756 __func__)); 757 } 758 759 done: 760 if (--sc->sc_refcnt < 0) 761 usb_detach_wakeup(sc->sc_dev); 762 763 return (error); 764 } 765 766 Static int 767 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 768 { 769 struct mbuf *m_new = NULL; 770 771 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 772 773 if (m == NULL) { 774 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 775 if (m_new == NULL) { 776 printf("%s: no memory for rx list " 777 "-- packet dropped!\n", device_xname(sc->sc_dev)); 778 return (ENOBUFS); 779 } 780 MCLGET(m_new, M_DONTWAIT); 781 if (!(m_new->m_flags & M_EXT)) { 782 printf("%s: no memory for rx list " 783 "-- packet dropped!\n", device_xname(sc->sc_dev)); 784 m_freem(m_new); 785 return (ENOBUFS); 786 } 787 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 788 } else { 789 m_new = m; 790 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 791 m_new->m_data = m_new->m_ext.ext_buf; 792 } 793 794 m_adj(m_new, ETHER_ALIGN); 795 c->url_mbuf = m_new; 796 797 return (0); 798 } 799 800 801 Static int 802 url_rx_list_init(struct url_softc *sc) 803 { 804 struct url_cdata *cd; 805 struct url_chain *c; 806 int i; 807 808 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 809 810 cd = &sc->sc_cdata; 811 for (i = 0; i < URL_RX_LIST_CNT; i++) { 812 c = &cd->url_rx_chain[i]; 813 c->url_sc = sc; 814 c->url_idx = i; 815 if (url_newbuf(sc, c, NULL) == ENOBUFS) 816 return (ENOBUFS); 817 if (c->url_xfer == NULL) { 818 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 819 if (c->url_xfer == NULL) 820 return (ENOBUFS); 821 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 822 if (c->url_buf == NULL) { 823 usbd_free_xfer(c->url_xfer); 824 return (ENOBUFS); 825 } 826 } 827 } 828 829 return (0); 830 } 831 832 Static int 833 url_tx_list_init(struct url_softc *sc) 834 { 835 struct url_cdata *cd; 836 struct url_chain *c; 837 int i; 838 839 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 840 841 cd = &sc->sc_cdata; 842 for (i = 0; i < URL_TX_LIST_CNT; i++) { 843 c = &cd->url_tx_chain[i]; 844 c->url_sc = sc; 845 c->url_idx = i; 846 c->url_mbuf = NULL; 847 if (c->url_xfer == NULL) { 848 c->url_xfer = usbd_alloc_xfer(sc->sc_udev); 849 if (c->url_xfer == NULL) 850 return (ENOBUFS); 851 c->url_buf = usbd_alloc_buffer(c->url_xfer, URL_BUFSZ); 852 if (c->url_buf == NULL) { 853 usbd_free_xfer(c->url_xfer); 854 return (ENOBUFS); 855 } 856 } 857 } 858 859 return (0); 860 } 861 862 Static void 863 url_start(struct ifnet *ifp) 864 { 865 struct url_softc *sc = ifp->if_softc; 866 struct mbuf *m_head = NULL; 867 868 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 869 __func__, sc->sc_link)); 870 871 if (sc->sc_dying) 872 return; 873 874 if (!sc->sc_link) 875 return; 876 877 if (ifp->if_flags & IFF_OACTIVE) 878 return; 879 880 IFQ_POLL(&ifp->if_snd, m_head); 881 if (m_head == NULL) 882 return; 883 884 if (url_send(sc, m_head, 0)) { 885 ifp->if_flags |= IFF_OACTIVE; 886 return; 887 } 888 889 IFQ_DEQUEUE(&ifp->if_snd, m_head); 890 891 bpf_mtap(ifp, m_head); 892 893 ifp->if_flags |= IFF_OACTIVE; 894 895 /* Set a timeout in case the chip goes out to lunch. */ 896 ifp->if_timer = 5; 897 } 898 899 Static int 900 url_send(struct url_softc *sc, struct mbuf *m, int idx) 901 { 902 int total_len; 903 struct url_chain *c; 904 usbd_status err; 905 906 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 907 908 c = &sc->sc_cdata.url_tx_chain[idx]; 909 910 /* Copy the mbuf data into a contiguous buffer */ 911 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 912 c->url_mbuf = m; 913 total_len = m->m_pkthdr.len; 914 915 if (total_len < URL_MIN_FRAME_LEN) { 916 memset(c->url_buf + total_len, 0, 917 URL_MIN_FRAME_LEN - total_len); 918 total_len = URL_MIN_FRAME_LEN; 919 } 920 usbd_setup_xfer(c->url_xfer, sc->sc_pipe_tx, c, c->url_buf, total_len, 921 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 922 URL_TX_TIMEOUT, url_txeof); 923 924 /* Transmit */ 925 sc->sc_refcnt++; 926 err = usbd_transfer(c->url_xfer); 927 if (--sc->sc_refcnt < 0) 928 usb_detach_wakeup(sc->sc_dev); 929 if (err != USBD_IN_PROGRESS) { 930 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 931 usbd_errstr(err)); 932 /* Stop the interface */ 933 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 934 USB_TASKQ_DRIVER); 935 return (EIO); 936 } 937 938 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 939 __func__, total_len)); 940 941 sc->sc_cdata.url_tx_cnt++; 942 943 return (0); 944 } 945 946 Static void 947 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 948 usbd_status status) 949 { 950 struct url_chain *c = priv; 951 struct url_softc *sc = c->url_sc; 952 struct ifnet *ifp = GET_IFP(sc); 953 int s; 954 955 if (sc->sc_dying) 956 return; 957 958 s = splnet(); 959 960 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 961 962 ifp->if_timer = 0; 963 ifp->if_flags &= ~IFF_OACTIVE; 964 965 if (status != USBD_NORMAL_COMPLETION) { 966 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 967 splx(s); 968 return; 969 } 970 ifp->if_oerrors++; 971 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 972 usbd_errstr(status)); 973 if (status == USBD_STALLED) { 974 sc->sc_refcnt++; 975 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 976 if (--sc->sc_refcnt < 0) 977 usb_detach_wakeup(sc->sc_dev); 978 } 979 splx(s); 980 return; 981 } 982 983 ifp->if_opackets++; 984 985 m_freem(c->url_mbuf); 986 c->url_mbuf = NULL; 987 988 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 989 url_start(ifp); 990 991 splx(s); 992 } 993 994 Static void 995 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 996 { 997 struct url_chain *c = priv; 998 struct url_softc *sc = c->url_sc; 999 struct ifnet *ifp = GET_IFP(sc); 1000 struct mbuf *m; 1001 u_int32_t total_len; 1002 url_rxhdr_t rxhdr; 1003 int s; 1004 1005 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1006 1007 if (sc->sc_dying) 1008 return; 1009 1010 if (status != USBD_NORMAL_COMPLETION) { 1011 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1012 return; 1013 sc->sc_rx_errs++; 1014 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1015 printf("%s: %u usb errors on rx: %s\n", 1016 device_xname(sc->sc_dev), sc->sc_rx_errs, 1017 usbd_errstr(status)); 1018 sc->sc_rx_errs = 0; 1019 } 1020 if (status == USBD_STALLED) { 1021 sc->sc_refcnt++; 1022 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1023 if (--sc->sc_refcnt < 0) 1024 usb_detach_wakeup(sc->sc_dev); 1025 } 1026 goto done; 1027 } 1028 1029 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1030 1031 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1032 1033 if (total_len <= ETHER_CRC_LEN) { 1034 ifp->if_ierrors++; 1035 goto done; 1036 } 1037 1038 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1039 1040 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1041 device_xname(sc->sc_dev), 1042 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1043 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1044 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1045 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1046 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1047 1048 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1049 ifp->if_ierrors++; 1050 goto done; 1051 } 1052 1053 ifp->if_ipackets++; 1054 total_len -= ETHER_CRC_LEN; 1055 1056 m = c->url_mbuf; 1057 m->m_pkthdr.len = m->m_len = total_len; 1058 m->m_pkthdr.rcvif = ifp; 1059 1060 s = splnet(); 1061 1062 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1063 ifp->if_ierrors++; 1064 goto done1; 1065 } 1066 1067 bpf_mtap(ifp, m); 1068 1069 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1070 __func__, m->m_len)); 1071 (*(ifp)->if_input)((ifp), (m)); 1072 1073 done1: 1074 splx(s); 1075 1076 done: 1077 /* Setup new transfer */ 1078 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->url_buf, URL_BUFSZ, 1079 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1080 USBD_NO_TIMEOUT, url_rxeof); 1081 sc->sc_refcnt++; 1082 usbd_transfer(xfer); 1083 if (--sc->sc_refcnt < 0) 1084 usb_detach_wakeup(sc->sc_dev); 1085 1086 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1087 } 1088 1089 #if 0 1090 Static void url_intr(void) 1091 { 1092 } 1093 #endif 1094 1095 Static int 1096 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1097 { 1098 struct url_softc *sc = ifp->if_softc; 1099 int s, error = 0; 1100 1101 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1102 1103 if (sc->sc_dying) 1104 return (EIO); 1105 1106 s = splnet(); 1107 1108 error = ether_ioctl(ifp, cmd, data); 1109 if (error == ENETRESET) { 1110 if (ifp->if_flags & IFF_RUNNING) 1111 url_setmulti(sc); 1112 error = 0; 1113 } 1114 1115 splx(s); 1116 1117 return (error); 1118 } 1119 1120 Static void 1121 url_watchdog(struct ifnet *ifp) 1122 { 1123 struct url_softc *sc = ifp->if_softc; 1124 struct url_chain *c; 1125 usbd_status stat; 1126 int s; 1127 1128 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1129 1130 ifp->if_oerrors++; 1131 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1132 1133 s = splusb(); 1134 c = &sc->sc_cdata.url_tx_chain[0]; 1135 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1136 url_txeof(c->url_xfer, c, stat); 1137 1138 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1139 url_start(ifp); 1140 splx(s); 1141 } 1142 1143 Static void 1144 url_stop_task(struct url_softc *sc) 1145 { 1146 url_stop(GET_IFP(sc), 1); 1147 } 1148 1149 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1150 Static void 1151 url_stop(struct ifnet *ifp, int disable) 1152 { 1153 struct url_softc *sc = ifp->if_softc; 1154 usbd_status err; 1155 int i; 1156 1157 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1158 1159 ifp->if_timer = 0; 1160 1161 url_reset(sc); 1162 1163 callout_stop(&sc->sc_stat_ch); 1164 1165 /* Stop transfers */ 1166 /* RX endpoint */ 1167 if (sc->sc_pipe_rx != NULL) { 1168 err = usbd_abort_pipe(sc->sc_pipe_rx); 1169 if (err) 1170 printf("%s: abort rx pipe failed: %s\n", 1171 device_xname(sc->sc_dev), usbd_errstr(err)); 1172 err = usbd_close_pipe(sc->sc_pipe_rx); 1173 if (err) 1174 printf("%s: close rx pipe failed: %s\n", 1175 device_xname(sc->sc_dev), usbd_errstr(err)); 1176 sc->sc_pipe_rx = NULL; 1177 } 1178 1179 /* TX endpoint */ 1180 if (sc->sc_pipe_tx != NULL) { 1181 err = usbd_abort_pipe(sc->sc_pipe_tx); 1182 if (err) 1183 printf("%s: abort tx pipe failed: %s\n", 1184 device_xname(sc->sc_dev), usbd_errstr(err)); 1185 err = usbd_close_pipe(sc->sc_pipe_tx); 1186 if (err) 1187 printf("%s: close tx pipe failed: %s\n", 1188 device_xname(sc->sc_dev), usbd_errstr(err)); 1189 sc->sc_pipe_tx = NULL; 1190 } 1191 1192 #if 0 1193 /* XXX: Interrupt endpoint is not yet supported!! */ 1194 /* Interrupt endpoint */ 1195 if (sc->sc_pipe_intr != NULL) { 1196 err = usbd_abort_pipe(sc->sc_pipe_intr); 1197 if (err) 1198 printf("%s: abort intr pipe failed: %s\n", 1199 device_xname(sc->sc_dev), usbd_errstr(err)); 1200 err = usbd_close_pipe(sc->sc_pipe_intr); 1201 if (err) 1202 printf("%s: close intr pipe failed: %s\n", 1203 device_xname(sc->sc_dev), usbd_errstr(err)); 1204 sc->sc_pipe_intr = NULL; 1205 } 1206 #endif 1207 1208 /* Free RX resources. */ 1209 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1210 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1211 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1212 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1213 } 1214 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1215 usbd_free_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1216 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1217 } 1218 } 1219 1220 /* Free TX resources. */ 1221 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1222 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1223 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1224 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1225 } 1226 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1227 usbd_free_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1228 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1229 } 1230 } 1231 1232 sc->sc_link = 0; 1233 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1234 } 1235 1236 /* Set media options */ 1237 Static int 1238 url_ifmedia_change(struct ifnet *ifp) 1239 { 1240 struct url_softc *sc = ifp->if_softc; 1241 struct mii_data *mii = GET_MII(sc); 1242 int rc; 1243 1244 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1245 1246 if (sc->sc_dying) 1247 return (0); 1248 1249 sc->sc_link = 0; 1250 if ((rc = mii_mediachg(mii)) == ENXIO) 1251 return 0; 1252 return rc; 1253 } 1254 1255 /* Report current media status. */ 1256 Static void 1257 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1258 { 1259 struct url_softc *sc = ifp->if_softc; 1260 1261 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1262 1263 if (sc->sc_dying) 1264 return; 1265 1266 ether_mediastatus(ifp, ifmr); 1267 } 1268 1269 Static void 1270 url_tick(void *xsc) 1271 { 1272 struct url_softc *sc = xsc; 1273 1274 if (sc == NULL) 1275 return; 1276 1277 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1278 __func__)); 1279 1280 if (sc->sc_dying) 1281 return; 1282 1283 /* Perform periodic stuff in process context */ 1284 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1285 } 1286 1287 Static void 1288 url_tick_task(void *xsc) 1289 { 1290 struct url_softc *sc = xsc; 1291 struct ifnet *ifp; 1292 struct mii_data *mii; 1293 int s; 1294 1295 if (sc == NULL) 1296 return; 1297 1298 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1299 __func__)); 1300 1301 if (sc->sc_dying) 1302 return; 1303 1304 ifp = GET_IFP(sc); 1305 mii = GET_MII(sc); 1306 1307 if (mii == NULL) 1308 return; 1309 1310 s = splnet(); 1311 1312 mii_tick(mii); 1313 if (!sc->sc_link) { 1314 mii_pollstat(mii); 1315 if (mii->mii_media_status & IFM_ACTIVE && 1316 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1317 DPRINTF(("%s: %s: got link\n", 1318 device_xname(sc->sc_dev), __func__)); 1319 sc->sc_link++; 1320 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1321 url_start(ifp); 1322 } 1323 } 1324 1325 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1326 1327 splx(s); 1328 } 1329 1330 /* Get exclusive access to the MII registers */ 1331 Static void 1332 url_lock_mii(struct url_softc *sc) 1333 { 1334 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1335 __func__)); 1336 1337 sc->sc_refcnt++; 1338 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1339 } 1340 1341 Static void 1342 url_unlock_mii(struct url_softc *sc) 1343 { 1344 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1345 __func__)); 1346 1347 rw_exit(&sc->sc_mii_rwlock); 1348 if (--sc->sc_refcnt < 0) 1349 usb_detach_wakeup(sc->sc_dev); 1350 } 1351 1352 Static int 1353 url_int_miibus_readreg(device_t dev, int phy, int reg) 1354 { 1355 struct url_softc *sc; 1356 u_int16_t val; 1357 1358 if (dev == NULL) 1359 return (0); 1360 1361 sc = device_private(dev); 1362 1363 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1364 device_xname(sc->sc_dev), __func__, phy, reg)); 1365 1366 if (sc->sc_dying) { 1367 #ifdef DIAGNOSTIC 1368 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1369 __func__); 1370 #endif 1371 return (0); 1372 } 1373 1374 /* XXX: one PHY only for the RTL8150 internal PHY */ 1375 if (phy != 0) { 1376 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1377 device_xname(sc->sc_dev), __func__, phy)); 1378 return (0); 1379 } 1380 1381 url_lock_mii(sc); 1382 1383 switch (reg) { 1384 case MII_BMCR: /* Control Register */ 1385 reg = URL_BMCR; 1386 break; 1387 case MII_BMSR: /* Status Register */ 1388 reg = URL_BMSR; 1389 break; 1390 case MII_PHYIDR1: 1391 case MII_PHYIDR2: 1392 val = 0; 1393 goto R_DONE; 1394 break; 1395 case MII_ANAR: /* Autonegotiation advertisement */ 1396 reg = URL_ANAR; 1397 break; 1398 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1399 reg = URL_ANLP; 1400 break; 1401 case URLPHY_MSR: /* Media Status Register */ 1402 reg = URL_MSR; 1403 break; 1404 default: 1405 printf("%s: %s: bad register %04x\n", 1406 device_xname(sc->sc_dev), __func__, reg); 1407 val = 0; 1408 goto R_DONE; 1409 break; 1410 } 1411 1412 if (reg == URL_MSR) 1413 val = url_csr_read_1(sc, reg); 1414 else 1415 val = url_csr_read_2(sc, reg); 1416 1417 R_DONE: 1418 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1419 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1420 1421 url_unlock_mii(sc); 1422 return (val); 1423 } 1424 1425 Static void 1426 url_int_miibus_writereg(device_t dev, int phy, int reg, int data) 1427 { 1428 struct url_softc *sc; 1429 1430 if (dev == NULL) 1431 return; 1432 1433 sc = device_private(dev); 1434 1435 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1436 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1437 1438 if (sc->sc_dying) { 1439 #ifdef DIAGNOSTIC 1440 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1441 __func__); 1442 #endif 1443 return; 1444 } 1445 1446 /* XXX: one PHY only for the RTL8150 internal PHY */ 1447 if (phy != 0) { 1448 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1449 device_xname(sc->sc_dev), __func__, phy)); 1450 return; 1451 } 1452 1453 url_lock_mii(sc); 1454 1455 switch (reg) { 1456 case MII_BMCR: /* Control Register */ 1457 reg = URL_BMCR; 1458 break; 1459 case MII_BMSR: /* Status Register */ 1460 reg = URL_BMSR; 1461 break; 1462 case MII_PHYIDR1: 1463 case MII_PHYIDR2: 1464 goto W_DONE; 1465 break; 1466 case MII_ANAR: /* Autonegotiation advertisement */ 1467 reg = URL_ANAR; 1468 break; 1469 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1470 reg = URL_ANLP; 1471 break; 1472 case URLPHY_MSR: /* Media Status Register */ 1473 reg = URL_MSR; 1474 break; 1475 default: 1476 printf("%s: %s: bad register %04x\n", 1477 device_xname(sc->sc_dev), __func__, reg); 1478 goto W_DONE; 1479 break; 1480 } 1481 1482 if (reg == URL_MSR) 1483 url_csr_write_1(sc, reg, data); 1484 else 1485 url_csr_write_2(sc, reg, data); 1486 W_DONE: 1487 1488 url_unlock_mii(sc); 1489 return; 1490 } 1491 1492 Static void 1493 url_miibus_statchg(device_t dev) 1494 { 1495 #ifdef URL_DEBUG 1496 struct url_softc *sc; 1497 1498 if (dev == NULL) 1499 return; 1500 1501 sc = device_private(dev); 1502 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1503 #endif 1504 /* Nothing to do */ 1505 } 1506 1507 #if 0 1508 /* 1509 * external PHYs support, but not test. 1510 */ 1511 Static int 1512 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1513 { 1514 struct url_softc *sc = device_private(dev); 1515 u_int16_t val; 1516 1517 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1518 device_xname(sc->sc_dev), __func__, phy, reg)); 1519 1520 if (sc->sc_dying) { 1521 #ifdef DIAGNOSTIC 1522 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1523 __func__); 1524 #endif 1525 return (0); 1526 } 1527 1528 url_lock_mii(sc); 1529 1530 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1531 /* 1532 * RTL8150L will initiate a MII management data transaction 1533 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1534 * this bit is auto cleared by TRL8150L. 1535 */ 1536 url_csr_write_1(sc, URL_PHYCNT, 1537 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1538 for (i = 0; i < URL_TIMEOUT; i++) { 1539 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1540 break; 1541 } 1542 if (i == URL_TIMEOUT) { 1543 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1544 } 1545 1546 val = url_csr_read_2(sc, URL_PHYDAT); 1547 1548 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1549 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1550 1551 url_unlock_mii(sc); 1552 return (val); 1553 } 1554 1555 Static void 1556 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1557 { 1558 struct url_softc *sc = device_private(dev); 1559 1560 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1561 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1562 1563 if (sc->sc_dying) { 1564 #ifdef DIAGNOSTIC 1565 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1566 __func__); 1567 #endif 1568 return; 1569 } 1570 1571 url_lock_mii(sc); 1572 1573 url_csr_write_2(sc, URL_PHYDAT, data); 1574 url_csr_write_1(sc, URL_PHYADD, phy); 1575 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1576 1577 for (i=0; i < URL_TIMEOUT; i++) { 1578 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1579 break; 1580 } 1581 1582 if (i == URL_TIMEOUT) { 1583 printf("%s: MII write timed out\n", 1584 device_xname(sc->sc_dev)); 1585 } 1586 1587 url_unlock_mii(sc); 1588 return; 1589 } 1590 #endif 1591 1592
Indexes created Tue Sep 30 20:09:53 GMT 2025