if_url.c revision 1.53
1 /* $NetBSD: if_url.c,v 1.53 2016/07/07 06:55:42 msaitoh 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 1.53 2016/07/07 06:55:42 msaitoh 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, 95 url_detach, url_activate); 96 97 Static int url_openpipes(struct url_softc *); 98 Static int url_rx_list_init(struct url_softc *); 99 Static int url_tx_list_init(struct url_softc *); 100 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 101 Static void url_start(struct ifnet *); 102 Static int url_send(struct url_softc *, struct mbuf *, int); 103 Static void url_txeof(struct usbd_xfer *, void *, usbd_status); 104 Static void url_rxeof(struct usbd_xfer *, void *, usbd_status); 105 Static void url_tick(void *); 106 Static void url_tick_task(void *); 107 Static int url_ioctl(struct ifnet *, u_long, void *); 108 Static void url_stop_task(struct url_softc *); 109 Static void url_stop(struct ifnet *, int); 110 Static void url_watchdog(struct ifnet *); 111 Static int url_ifmedia_change(struct ifnet *); 112 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 113 Static void url_lock_mii(struct url_softc *); 114 Static void url_unlock_mii(struct url_softc *); 115 Static int url_int_miibus_readreg(device_t, int, int); 116 Static void url_int_miibus_writereg(device_t, int, int, int); 117 Static void url_miibus_statchg(struct ifnet *); 118 Static int url_init(struct ifnet *); 119 Static void url_setmulti(struct url_softc *); 120 Static void url_reset(struct url_softc *); 121 122 Static int url_csr_read_1(struct url_softc *, int); 123 Static int url_csr_read_2(struct url_softc *, int); 124 Static int url_csr_write_1(struct url_softc *, int, int); 125 Static int url_csr_write_2(struct url_softc *, int, int); 126 Static int url_csr_write_4(struct url_softc *, int, int); 127 Static int url_mem(struct url_softc *, int, int, void *, int); 128 129 /* Macros */ 130 #ifdef URL_DEBUG 131 #define DPRINTF(x) if (urldebug) printf x 132 #define DPRINTFN(n,x) if (urldebug >= (n)) printf x 133 int urldebug = 0; 134 #else 135 #define DPRINTF(x) 136 #define DPRINTFN(n,x) 137 #endif 138 139 #define URL_SETBIT(sc, reg, x) \ 140 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 141 142 #define URL_SETBIT2(sc, reg, x) \ 143 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 144 145 #define URL_CLRBIT(sc, reg, x) \ 146 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 147 148 #define URL_CLRBIT2(sc, reg, x) \ 149 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 150 151 static const struct url_type { 152 struct usb_devno url_dev; 153 uint16_t url_flags; 154 #define URL_EXT_PHY 0x0001 155 } url_devs [] = { 156 /* MELCO LUA-KTX */ 157 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 158 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 159 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 160 /* Longshine LCS-8138TX */ 161 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 162 /* Micronet SP128AR */ 163 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 164 /* OQO model 01 */ 165 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 166 }; 167 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 168 169 170 /* Probe */ 171 int 172 url_match(device_t parent, cfdata_t match, void *aux) 173 { 174 struct usb_attach_arg *uaa = aux; 175 176 return url_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 177 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 178 } 179 /* Attach */ 180 void 181 url_attach(device_t parent, device_t self, void *aux) 182 { 183 struct url_softc *sc = device_private(self); 184 struct usb_attach_arg *uaa = aux; 185 struct usbd_device *dev = uaa->uaa_device; 186 struct usbd_interface *iface; 187 usbd_status err; 188 usb_interface_descriptor_t *id; 189 usb_endpoint_descriptor_t *ed; 190 char *devinfop; 191 struct ifnet *ifp; 192 struct mii_data *mii; 193 u_char eaddr[ETHER_ADDR_LEN]; 194 int i, s; 195 196 sc->sc_dev = self; 197 198 aprint_naive("\n"); 199 aprint_normal("\n"); 200 201 devinfop = usbd_devinfo_alloc(dev, 0); 202 aprint_normal_dev(self, "%s\n", devinfop); 203 usbd_devinfo_free(devinfop); 204 205 /* Move the device into the configured state. */ 206 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 207 if (err) { 208 aprint_error_dev(self, "failed to set configuration" 209 ", err=%s\n", usbd_errstr(err)); 210 goto bad; 211 } 212 213 usb_init_task(&sc->sc_tick_task, url_tick_task, sc, 0); 214 rw_init(&sc->sc_mii_rwlock); 215 usb_init_task(&sc->sc_stop_task, (void (*)(void *))url_stop_task, sc, 0); 216 217 /* get control interface */ 218 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 219 if (err) { 220 aprint_error_dev(self, "failed to get interface, err=%s\n", 221 usbd_errstr(err)); 222 goto bad; 223 } 224 225 sc->sc_udev = dev; 226 sc->sc_ctl_iface = iface; 227 sc->sc_flags = url_lookup(uaa->uaa_vendor, uaa->uaa_product)->url_flags; 228 229 /* get interface descriptor */ 230 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 231 232 /* find endpoints */ 233 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 234 for (i = 0; i < id->bNumEndpoints; i++) { 235 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 236 if (ed == NULL) { 237 aprint_error_dev(self, 238 "couldn't get endpoint %d\n", i); 239 goto bad; 240 } 241 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 242 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 243 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 244 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 245 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 246 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 247 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 248 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 249 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 250 } 251 252 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 253 sc->sc_intrin_no == -1) { 254 aprint_error_dev(self, "missing endpoint\n"); 255 goto bad; 256 } 257 258 s = splnet(); 259 260 /* reset the adapter */ 261 url_reset(sc); 262 263 /* Get Ethernet Address */ 264 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 265 ETHER_ADDR_LEN); 266 if (err) { 267 aprint_error_dev(self, "read MAC address failed\n"); 268 splx(s); 269 goto bad; 270 } 271 272 /* Print Ethernet Address */ 273 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 274 275 /* initialize interface information */ 276 ifp = GET_IFP(sc); 277 ifp->if_softc = sc; 278 ifp->if_mtu = ETHERMTU; 279 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 280 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 281 ifp->if_start = url_start; 282 ifp->if_ioctl = url_ioctl; 283 ifp->if_watchdog = url_watchdog; 284 ifp->if_init = url_init; 285 ifp->if_stop = url_stop; 286 287 IFQ_SET_READY(&ifp->if_snd); 288 289 /* 290 * Do ifmedia setup. 291 */ 292 mii = &sc->sc_mii; 293 mii->mii_ifp = ifp; 294 mii->mii_readreg = url_int_miibus_readreg; 295 mii->mii_writereg = url_int_miibus_writereg; 296 #if 0 297 if (sc->sc_flags & URL_EXT_PHY) { 298 mii->mii_readreg = url_ext_miibus_readreg; 299 mii->mii_writereg = url_ext_miibus_writereg; 300 } 301 #endif 302 mii->mii_statchg = url_miibus_statchg; 303 mii->mii_flags = MIIF_AUTOTSLEEP; 304 sc->sc_ec.ec_mii = mii; 305 ifmedia_init(&mii->mii_media, 0, 306 url_ifmedia_change, url_ifmedia_status); 307 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 308 if (LIST_FIRST(&mii->mii_phys) == NULL) { 309 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 310 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 311 } else 312 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 313 314 /* attach the interface */ 315 if_attach(ifp); 316 ether_ifattach(ifp, eaddr); 317 318 rnd_attach_source(&sc->rnd_source, device_xname(self), 319 RND_TYPE_NET, RND_FLAG_DEFAULT); 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_waitold(sc->sc_dev); 359 } 360 361 if (ifp->if_flags & IFF_RUNNING) 362 url_stop(GET_IFP(sc), 1); 363 364 rnd_detach_source(&sc->rnd_source); 365 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 366 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 367 ether_ifdetach(ifp); 368 if_detach(ifp); 369 370 #ifdef DIAGNOSTIC 371 if (sc->sc_pipe_tx != NULL) 372 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 373 if (sc->sc_pipe_rx != NULL) 374 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 375 if (sc->sc_pipe_intr != NULL) 376 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 377 #endif 378 379 sc->sc_attached = 0; 380 381 splx(s); 382 383 rw_destroy(&sc->sc_mii_rwlock); 384 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 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 uint8_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 uint8_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 /* Load the multicast filter */ 551 url_setmulti(sc); 552 553 /* Enable RX and TX */ 554 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 555 556 if ((rc = mii_mediachg(mii)) == ENXIO) 557 rc = 0; 558 else if (rc != 0) 559 goto out; 560 561 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 562 if (url_openpipes(sc)) { 563 splx(s); 564 return EIO; 565 } 566 } 567 /* Initialize transmit ring */ 568 if (url_tx_list_init(sc)) { 569 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 570 splx(s); 571 return EIO; 572 } 573 574 /* Initialize receive ring */ 575 if (url_rx_list_init(sc)) { 576 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 577 splx(s); 578 return EIO; 579 } 580 /* Start up the receive pipe. */ 581 for (i = 0; i < URL_RX_LIST_CNT; i++) { 582 struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; 583 584 usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, 585 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); 586 (void)usbd_transfer(c->url_xfer); 587 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 588 __func__)); 589 } 590 591 ifp->if_flags |= IFF_RUNNING; 592 ifp->if_flags &= ~IFF_OACTIVE; 593 594 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 595 596 out: 597 splx(s); 598 return rc; 599 } 600 601 Static void 602 url_reset(struct url_softc *sc) 603 { 604 int i; 605 606 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 607 608 if (sc->sc_dying) 609 return; 610 611 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 612 613 for (i = 0; i < URL_TX_TIMEOUT; i++) { 614 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 615 break; 616 delay(10); /* XXX */ 617 } 618 619 delay(10000); /* XXX */ 620 } 621 622 int 623 url_activate(device_t self, enum devact act) 624 { 625 struct url_softc *sc = device_private(self); 626 627 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 628 __func__, act)); 629 630 switch (act) { 631 case DVACT_DEACTIVATE: 632 if_deactivate(&sc->sc_ec.ec_if); 633 sc->sc_dying = 1; 634 return 0; 635 default: 636 return EOPNOTSUPP; 637 } 638 } 639 640 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 641 642 643 Static void 644 url_setmulti(struct url_softc *sc) 645 { 646 struct ifnet *ifp; 647 struct ether_multi *enm; 648 struct ether_multistep step; 649 uint32_t hashes[2] = { 0, 0 }; 650 int h = 0; 651 int mcnt = 0; 652 653 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 654 655 if (sc->sc_dying) 656 return; 657 658 ifp = GET_IFP(sc); 659 660 if (ifp->if_flags & IFF_PROMISC) { 661 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 662 return; 663 } else if (ifp->if_flags & IFF_ALLMULTI) { 664 allmulti: 665 ifp->if_flags |= IFF_ALLMULTI; 666 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 667 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 668 return; 669 } 670 671 /* first, zot all the existing hash bits */ 672 url_csr_write_4(sc, URL_MAR0, 0); 673 url_csr_write_4(sc, URL_MAR4, 0); 674 675 /* now program new ones */ 676 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 677 while (enm != NULL) { 678 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 679 ETHER_ADDR_LEN) != 0) 680 goto allmulti; 681 682 h = url_calchash(enm->enm_addrlo); 683 if (h < 32) 684 hashes[0] |= (1 << h); 685 else 686 hashes[1] |= (1 << (h -32)); 687 mcnt++; 688 ETHER_NEXT_MULTI(step, enm); 689 } 690 691 ifp->if_flags &= ~IFF_ALLMULTI; 692 693 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 694 695 if (mcnt){ 696 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 697 } else { 698 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 699 } 700 url_csr_write_4(sc, URL_MAR0, hashes[0]); 701 url_csr_write_4(sc, URL_MAR4, hashes[1]); 702 } 703 704 Static int 705 url_openpipes(struct url_softc *sc) 706 { 707 usbd_status err; 708 int error = 0; 709 710 if (sc->sc_dying) 711 return EIO; 712 713 sc->sc_refcnt++; 714 715 /* Open RX pipe */ 716 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 717 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 718 if (err) { 719 printf("%s: open rx pipe failed: %s\n", 720 device_xname(sc->sc_dev), usbd_errstr(err)); 721 error = EIO; 722 goto done; 723 } 724 725 /* Open TX pipe */ 726 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 727 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 728 if (err) { 729 printf("%s: open tx pipe failed: %s\n", 730 device_xname(sc->sc_dev), usbd_errstr(err)); 731 error = EIO; 732 goto done; 733 } 734 735 #if 0 736 /* XXX: interrupt endpoint is not yet supported */ 737 /* Open Interrupt pipe */ 738 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 739 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 740 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 741 url_intr, USBD_DEFAULT_INTERVAL); 742 if (err) { 743 printf("%s: open intr pipe failed: %s\n", 744 device_xname(sc->sc_dev), usbd_errstr(err)); 745 error = EIO; 746 goto done; 747 } 748 #endif 749 750 done: 751 if (--sc->sc_refcnt < 0) 752 usb_detach_wakeupold(sc->sc_dev); 753 754 return error; 755 } 756 757 Static int 758 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 759 { 760 struct mbuf *m_new = NULL; 761 762 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 763 764 if (m == NULL) { 765 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 766 if (m_new == NULL) { 767 printf("%s: no memory for rx list " 768 "-- packet dropped!\n", device_xname(sc->sc_dev)); 769 return ENOBUFS; 770 } 771 MCLGET(m_new, M_DONTWAIT); 772 if (!(m_new->m_flags & M_EXT)) { 773 printf("%s: no memory for rx list " 774 "-- packet dropped!\n", device_xname(sc->sc_dev)); 775 m_freem(m_new); 776 return ENOBUFS; 777 } 778 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 779 } else { 780 m_new = m; 781 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 782 m_new->m_data = m_new->m_ext.ext_buf; 783 } 784 785 m_adj(m_new, ETHER_ALIGN); 786 c->url_mbuf = m_new; 787 788 return 0; 789 } 790 791 792 Static int 793 url_rx_list_init(struct url_softc *sc) 794 { 795 struct url_cdata *cd; 796 struct url_chain *c; 797 int i; 798 799 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 800 801 cd = &sc->sc_cdata; 802 for (i = 0; i < URL_RX_LIST_CNT; i++) { 803 c = &cd->url_rx_chain[i]; 804 c->url_sc = sc; 805 c->url_idx = i; 806 if (url_newbuf(sc, c, NULL) == ENOBUFS) 807 return ENOBUFS; 808 if (c->url_xfer == NULL) { 809 int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, 810 USBD_SHORT_XFER_OK, 0, &c->url_xfer); 811 if (error) 812 return error; 813 c->url_buf = usbd_get_buffer(c->url_xfer); 814 } 815 } 816 817 return 0; 818 } 819 820 Static int 821 url_tx_list_init(struct url_softc *sc) 822 { 823 struct url_cdata *cd; 824 struct url_chain *c; 825 int i; 826 827 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 828 829 cd = &sc->sc_cdata; 830 for (i = 0; i < URL_TX_LIST_CNT; i++) { 831 c = &cd->url_tx_chain[i]; 832 c->url_sc = sc; 833 c->url_idx = i; 834 c->url_mbuf = NULL; 835 if (c->url_xfer == NULL) { 836 int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, 837 USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); 838 if (error) 839 return error; 840 c->url_buf = usbd_get_buffer(c->url_xfer); 841 } 842 } 843 844 return 0; 845 } 846 847 Static void 848 url_start(struct ifnet *ifp) 849 { 850 struct url_softc *sc = ifp->if_softc; 851 struct mbuf *m_head = NULL; 852 853 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 854 __func__, sc->sc_link)); 855 856 if (sc->sc_dying) 857 return; 858 859 if (!sc->sc_link) 860 return; 861 862 if (ifp->if_flags & IFF_OACTIVE) 863 return; 864 865 IFQ_POLL(&ifp->if_snd, m_head); 866 if (m_head == NULL) 867 return; 868 869 if (url_send(sc, m_head, 0)) { 870 ifp->if_flags |= IFF_OACTIVE; 871 return; 872 } 873 874 IFQ_DEQUEUE(&ifp->if_snd, m_head); 875 876 bpf_mtap(ifp, m_head); 877 878 ifp->if_flags |= IFF_OACTIVE; 879 880 /* Set a timeout in case the chip goes out to lunch. */ 881 ifp->if_timer = 5; 882 } 883 884 Static int 885 url_send(struct url_softc *sc, struct mbuf *m, int idx) 886 { 887 int total_len; 888 struct url_chain *c; 889 usbd_status err; 890 891 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 892 893 c = &sc->sc_cdata.url_tx_chain[idx]; 894 895 /* Copy the mbuf data into a contiguous buffer */ 896 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 897 c->url_mbuf = m; 898 total_len = m->m_pkthdr.len; 899 900 if (total_len < URL_MIN_FRAME_LEN) { 901 memset(c->url_buf + total_len, 0, 902 URL_MIN_FRAME_LEN - total_len); 903 total_len = URL_MIN_FRAME_LEN; 904 } 905 usbd_setup_xfer(c->url_xfer,c, c->url_buf, total_len, 906 USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); 907 908 /* Transmit */ 909 sc->sc_refcnt++; 910 err = usbd_transfer(c->url_xfer); 911 if (--sc->sc_refcnt < 0) 912 usb_detach_wakeupold(sc->sc_dev); 913 if (err != USBD_IN_PROGRESS) { 914 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 915 usbd_errstr(err)); 916 /* Stop the interface */ 917 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 918 USB_TASKQ_DRIVER); 919 return EIO; 920 } 921 922 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 923 __func__, total_len)); 924 925 sc->sc_cdata.url_tx_cnt++; 926 927 return 0; 928 } 929 930 Static void 931 url_txeof(struct usbd_xfer *xfer, void *priv, 932 usbd_status status) 933 { 934 struct url_chain *c = priv; 935 struct url_softc *sc = c->url_sc; 936 struct ifnet *ifp = GET_IFP(sc); 937 int s; 938 939 if (sc->sc_dying) 940 return; 941 942 s = splnet(); 943 944 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 945 946 ifp->if_timer = 0; 947 ifp->if_flags &= ~IFF_OACTIVE; 948 949 if (status != USBD_NORMAL_COMPLETION) { 950 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 951 splx(s); 952 return; 953 } 954 ifp->if_oerrors++; 955 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 956 usbd_errstr(status)); 957 if (status == USBD_STALLED) { 958 sc->sc_refcnt++; 959 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 960 if (--sc->sc_refcnt < 0) 961 usb_detach_wakeupold(sc->sc_dev); 962 } 963 splx(s); 964 return; 965 } 966 967 ifp->if_opackets++; 968 969 m_freem(c->url_mbuf); 970 c->url_mbuf = NULL; 971 972 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 973 url_start(ifp); 974 975 splx(s); 976 } 977 978 Static void 979 url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 980 { 981 struct url_chain *c = priv; 982 struct url_softc *sc = c->url_sc; 983 struct ifnet *ifp = GET_IFP(sc); 984 struct mbuf *m; 985 uint32_t total_len; 986 url_rxhdr_t rxhdr; 987 int s; 988 989 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 990 991 if (sc->sc_dying) 992 return; 993 994 if (status != USBD_NORMAL_COMPLETION) { 995 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 996 return; 997 sc->sc_rx_errs++; 998 if (usbd_ratecheck(&sc->sc_rx_notice)) { 999 printf("%s: %u usb errors on rx: %s\n", 1000 device_xname(sc->sc_dev), sc->sc_rx_errs, 1001 usbd_errstr(status)); 1002 sc->sc_rx_errs = 0; 1003 } 1004 if (status == USBD_STALLED) { 1005 sc->sc_refcnt++; 1006 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1007 if (--sc->sc_refcnt < 0) 1008 usb_detach_wakeupold(sc->sc_dev); 1009 } 1010 goto done; 1011 } 1012 1013 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1014 1015 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1016 1017 if (total_len <= ETHER_CRC_LEN) { 1018 ifp->if_ierrors++; 1019 goto done; 1020 } 1021 1022 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1023 1024 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1025 device_xname(sc->sc_dev), 1026 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1027 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1028 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1029 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1030 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1031 1032 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1033 ifp->if_ierrors++; 1034 goto done; 1035 } 1036 1037 ifp->if_ipackets++; 1038 total_len -= ETHER_CRC_LEN; 1039 1040 m = c->url_mbuf; 1041 m->m_pkthdr.len = m->m_len = total_len; 1042 m_set_rcvif(m, ifp); 1043 1044 s = splnet(); 1045 1046 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1047 ifp->if_ierrors++; 1048 goto done1; 1049 } 1050 1051 bpf_mtap(ifp, m); 1052 1053 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1054 __func__, m->m_len)); 1055 if_percpuq_enqueue((ifp)->if_percpuq, (m)); 1056 1057 done1: 1058 splx(s); 1059 1060 done: 1061 /* Setup new transfer */ 1062 usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, 1063 USBD_NO_TIMEOUT, url_rxeof); 1064 sc->sc_refcnt++; 1065 usbd_transfer(xfer); 1066 if (--sc->sc_refcnt < 0) 1067 usb_detach_wakeupold(sc->sc_dev); 1068 1069 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1070 } 1071 1072 #if 0 1073 Static void url_intr(void) 1074 { 1075 } 1076 #endif 1077 1078 Static int 1079 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1080 { 1081 struct url_softc *sc = ifp->if_softc; 1082 int s, error = 0; 1083 1084 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1085 1086 if (sc->sc_dying) 1087 return EIO; 1088 1089 s = splnet(); 1090 1091 error = ether_ioctl(ifp, cmd, data); 1092 if (error == ENETRESET) { 1093 if (ifp->if_flags & IFF_RUNNING) 1094 url_setmulti(sc); 1095 error = 0; 1096 } 1097 1098 splx(s); 1099 1100 return error; 1101 } 1102 1103 Static void 1104 url_watchdog(struct ifnet *ifp) 1105 { 1106 struct url_softc *sc = ifp->if_softc; 1107 struct url_chain *c; 1108 usbd_status stat; 1109 int s; 1110 1111 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1112 1113 ifp->if_oerrors++; 1114 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1115 1116 s = splusb(); 1117 c = &sc->sc_cdata.url_tx_chain[0]; 1118 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1119 url_txeof(c->url_xfer, c, stat); 1120 1121 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1122 url_start(ifp); 1123 splx(s); 1124 } 1125 1126 Static void 1127 url_stop_task(struct url_softc *sc) 1128 { 1129 url_stop(GET_IFP(sc), 1); 1130 } 1131 1132 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1133 Static void 1134 url_stop(struct ifnet *ifp, int disable) 1135 { 1136 struct url_softc *sc = ifp->if_softc; 1137 usbd_status err; 1138 int i; 1139 1140 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1141 1142 ifp->if_timer = 0; 1143 1144 url_reset(sc); 1145 1146 callout_stop(&sc->sc_stat_ch); 1147 1148 /* Stop transfers */ 1149 /* RX endpoint */ 1150 if (sc->sc_pipe_rx != NULL) { 1151 err = usbd_abort_pipe(sc->sc_pipe_rx); 1152 if (err) 1153 printf("%s: abort rx pipe failed: %s\n", 1154 device_xname(sc->sc_dev), usbd_errstr(err)); 1155 } 1156 1157 /* TX endpoint */ 1158 if (sc->sc_pipe_tx != NULL) { 1159 err = usbd_abort_pipe(sc->sc_pipe_tx); 1160 if (err) 1161 printf("%s: abort tx pipe failed: %s\n", 1162 device_xname(sc->sc_dev), usbd_errstr(err)); 1163 } 1164 1165 #if 0 1166 /* XXX: Interrupt endpoint is not yet supported!! */ 1167 /* Interrupt endpoint */ 1168 if (sc->sc_pipe_intr != NULL) { 1169 err = usbd_abort_pipe(sc->sc_pipe_intr); 1170 if (err) 1171 printf("%s: abort intr pipe failed: %s\n", 1172 device_xname(sc->sc_dev), usbd_errstr(err)); 1173 err = usbd_close_pipe(sc->sc_pipe_intr); 1174 if (err) 1175 printf("%s: close intr pipe failed: %s\n", 1176 device_xname(sc->sc_dev), usbd_errstr(err)); 1177 sc->sc_pipe_intr = NULL; 1178 } 1179 #endif 1180 1181 /* Free RX resources. */ 1182 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1183 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1184 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1185 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1186 } 1187 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1188 usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1189 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1190 } 1191 } 1192 1193 /* Free TX resources. */ 1194 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1195 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1196 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1197 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1198 } 1199 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1200 usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1201 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1202 } 1203 } 1204 1205 /* Close pipes */ 1206 /* RX endpoint */ 1207 if (sc->sc_pipe_rx != NULL) { 1208 err = usbd_close_pipe(sc->sc_pipe_rx); 1209 if (err) 1210 printf("%s: close rx pipe failed: %s\n", 1211 device_xname(sc->sc_dev), usbd_errstr(err)); 1212 sc->sc_pipe_rx = NULL; 1213 } 1214 1215 /* TX endpoint */ 1216 if (sc->sc_pipe_tx != NULL) { 1217 err = usbd_close_pipe(sc->sc_pipe_tx); 1218 if (err) 1219 printf("%s: close tx pipe failed: %s\n", 1220 device_xname(sc->sc_dev), usbd_errstr(err)); 1221 sc->sc_pipe_tx = NULL; 1222 } 1223 1224 sc->sc_link = 0; 1225 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1226 } 1227 1228 /* Set media options */ 1229 Static int 1230 url_ifmedia_change(struct ifnet *ifp) 1231 { 1232 struct url_softc *sc = ifp->if_softc; 1233 struct mii_data *mii = GET_MII(sc); 1234 int rc; 1235 1236 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1237 1238 if (sc->sc_dying) 1239 return 0; 1240 1241 sc->sc_link = 0; 1242 if ((rc = mii_mediachg(mii)) == ENXIO) 1243 return 0; 1244 return rc; 1245 } 1246 1247 /* Report current media status. */ 1248 Static void 1249 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1250 { 1251 struct url_softc *sc = ifp->if_softc; 1252 1253 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1254 1255 if (sc->sc_dying) 1256 return; 1257 1258 ether_mediastatus(ifp, ifmr); 1259 } 1260 1261 Static void 1262 url_tick(void *xsc) 1263 { 1264 struct url_softc *sc = xsc; 1265 1266 if (sc == NULL) 1267 return; 1268 1269 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1270 __func__)); 1271 1272 if (sc->sc_dying) 1273 return; 1274 1275 /* Perform periodic stuff in process context */ 1276 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1277 } 1278 1279 Static void 1280 url_tick_task(void *xsc) 1281 { 1282 struct url_softc *sc = xsc; 1283 struct ifnet *ifp; 1284 struct mii_data *mii; 1285 int s; 1286 1287 if (sc == NULL) 1288 return; 1289 1290 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1291 __func__)); 1292 1293 if (sc->sc_dying) 1294 return; 1295 1296 ifp = GET_IFP(sc); 1297 mii = GET_MII(sc); 1298 1299 if (mii == NULL) 1300 return; 1301 1302 s = splnet(); 1303 1304 mii_tick(mii); 1305 if (!sc->sc_link) { 1306 mii_pollstat(mii); 1307 if (mii->mii_media_status & IFM_ACTIVE && 1308 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1309 DPRINTF(("%s: %s: got link\n", 1310 device_xname(sc->sc_dev), __func__)); 1311 sc->sc_link++; 1312 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1313 url_start(ifp); 1314 } 1315 } 1316 1317 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1318 1319 splx(s); 1320 } 1321 1322 /* Get exclusive access to the MII registers */ 1323 Static void 1324 url_lock_mii(struct url_softc *sc) 1325 { 1326 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1327 __func__)); 1328 1329 sc->sc_refcnt++; 1330 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1331 } 1332 1333 Static void 1334 url_unlock_mii(struct url_softc *sc) 1335 { 1336 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1337 __func__)); 1338 1339 rw_exit(&sc->sc_mii_rwlock); 1340 if (--sc->sc_refcnt < 0) 1341 usb_detach_wakeupold(sc->sc_dev); 1342 } 1343 1344 Static int 1345 url_int_miibus_readreg(device_t dev, int phy, int reg) 1346 { 1347 struct url_softc *sc; 1348 uint16_t val; 1349 1350 if (dev == NULL) 1351 return 0; 1352 1353 sc = device_private(dev); 1354 1355 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1356 device_xname(sc->sc_dev), __func__, phy, reg)); 1357 1358 if (sc->sc_dying) { 1359 #ifdef DIAGNOSTIC 1360 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1361 __func__); 1362 #endif 1363 return 0; 1364 } 1365 1366 /* XXX: one PHY only for the RTL8150 internal PHY */ 1367 if (phy != 0) { 1368 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1369 device_xname(sc->sc_dev), __func__, phy)); 1370 return 0; 1371 } 1372 1373 url_lock_mii(sc); 1374 1375 switch (reg) { 1376 case MII_BMCR: /* Control Register */ 1377 reg = URL_BMCR; 1378 break; 1379 case MII_BMSR: /* Status Register */ 1380 reg = URL_BMSR; 1381 break; 1382 case MII_PHYIDR1: 1383 case MII_PHYIDR2: 1384 val = 0; 1385 goto R_DONE; 1386 break; 1387 case MII_ANAR: /* Autonegotiation advertisement */ 1388 reg = URL_ANAR; 1389 break; 1390 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1391 reg = URL_ANLP; 1392 break; 1393 case URLPHY_MSR: /* Media Status Register */ 1394 reg = URL_MSR; 1395 break; 1396 default: 1397 printf("%s: %s: bad register %04x\n", 1398 device_xname(sc->sc_dev), __func__, reg); 1399 val = 0; 1400 goto R_DONE; 1401 break; 1402 } 1403 1404 if (reg == URL_MSR) 1405 val = url_csr_read_1(sc, reg); 1406 else 1407 val = url_csr_read_2(sc, reg); 1408 1409 R_DONE: 1410 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1411 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1412 1413 url_unlock_mii(sc); 1414 return val; 1415 } 1416 1417 Static void 1418 url_int_miibus_writereg(device_t dev, int phy, int reg, int data) 1419 { 1420 struct url_softc *sc; 1421 1422 if (dev == NULL) 1423 return; 1424 1425 sc = device_private(dev); 1426 1427 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1428 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1429 1430 if (sc->sc_dying) { 1431 #ifdef DIAGNOSTIC 1432 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1433 __func__); 1434 #endif 1435 return; 1436 } 1437 1438 /* XXX: one PHY only for the RTL8150 internal PHY */ 1439 if (phy != 0) { 1440 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1441 device_xname(sc->sc_dev), __func__, phy)); 1442 return; 1443 } 1444 1445 url_lock_mii(sc); 1446 1447 switch (reg) { 1448 case MII_BMCR: /* Control Register */ 1449 reg = URL_BMCR; 1450 break; 1451 case MII_BMSR: /* Status Register */ 1452 reg = URL_BMSR; 1453 break; 1454 case MII_PHYIDR1: 1455 case MII_PHYIDR2: 1456 goto W_DONE; 1457 break; 1458 case MII_ANAR: /* Autonegotiation advertisement */ 1459 reg = URL_ANAR; 1460 break; 1461 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1462 reg = URL_ANLP; 1463 break; 1464 case URLPHY_MSR: /* Media Status Register */ 1465 reg = URL_MSR; 1466 break; 1467 default: 1468 printf("%s: %s: bad register %04x\n", 1469 device_xname(sc->sc_dev), __func__, reg); 1470 goto W_DONE; 1471 break; 1472 } 1473 1474 if (reg == URL_MSR) 1475 url_csr_write_1(sc, reg, data); 1476 else 1477 url_csr_write_2(sc, reg, data); 1478 W_DONE: 1479 1480 url_unlock_mii(sc); 1481 return; 1482 } 1483 1484 Static void 1485 url_miibus_statchg(struct ifnet *ifp) 1486 { 1487 #ifdef URL_DEBUG 1488 if (ifp == NULL) 1489 return; 1490 1491 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1492 #endif 1493 /* Nothing to do */ 1494 } 1495 1496 #if 0 1497 /* 1498 * external PHYs support, but not test. 1499 */ 1500 Static int 1501 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1502 { 1503 struct url_softc *sc = device_private(dev); 1504 uint16_t val; 1505 1506 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1507 device_xname(sc->sc_dev), __func__, phy, reg)); 1508 1509 if (sc->sc_dying) { 1510 #ifdef DIAGNOSTIC 1511 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1512 __func__); 1513 #endif 1514 return 0; 1515 } 1516 1517 url_lock_mii(sc); 1518 1519 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1520 /* 1521 * RTL8150L will initiate a MII management data transaction 1522 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1523 * this bit is auto cleared by TRL8150L. 1524 */ 1525 url_csr_write_1(sc, URL_PHYCNT, 1526 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1527 for (i = 0; i < URL_TIMEOUT; i++) { 1528 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1529 break; 1530 } 1531 if (i == URL_TIMEOUT) { 1532 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1533 } 1534 1535 val = url_csr_read_2(sc, URL_PHYDAT); 1536 1537 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1538 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1539 1540 url_unlock_mii(sc); 1541 return val; 1542 } 1543 1544 Static void 1545 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1546 { 1547 struct url_softc *sc = device_private(dev); 1548 1549 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1550 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1551 1552 if (sc->sc_dying) { 1553 #ifdef DIAGNOSTIC 1554 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1555 __func__); 1556 #endif 1557 return; 1558 } 1559 1560 url_lock_mii(sc); 1561 1562 url_csr_write_2(sc, URL_PHYDAT, data); 1563 url_csr_write_1(sc, URL_PHYADD, phy); 1564 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1565 1566 for (i=0; i < URL_TIMEOUT; i++) { 1567 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1568 break; 1569 } 1570 1571 if (i == URL_TIMEOUT) { 1572 printf("%s: MII write timed out\n", 1573 device_xname(sc->sc_dev)); 1574 } 1575 1576 url_unlock_mii(sc); 1577 return; 1578 } 1579 #endif 1580
Indexes created Tue Sep 30 17:09:57 GMT 2025