if_url.c revision 1.62
1 /* $NetBSD: if_url.c,v 1.62 2019/03/08 03:05:15 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 1.62 2019/03/08 03:05:15 msaitoh Exp $"); 48 49 #ifdef _KERNEL_OPT 50 #include "opt_inet.h" 51 #include "opt_usb.h" 52 #endif 53 54 #include <sys/param.h> 55 #include <sys/systm.h> 56 #include <sys/rwlock.h> 57 #include <sys/mbuf.h> 58 #include <sys/kernel.h> 59 #include <sys/socket.h> 60 61 #include <sys/device.h> 62 #include <sys/rndsource.h> 63 64 #include <net/if.h> 65 #include <net/if_arp.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 69 #include <net/bpf.h> 70 71 #include <net/if_ether.h> 72 #ifdef INET 73 #include <netinet/in.h> 74 #include <netinet/if_inarp.h> 75 #endif 76 77 #include <dev/mii/mii.h> 78 #include <dev/mii/miivar.h> 79 #include <dev/mii/urlphyreg.h> 80 81 #include <dev/usb/usb.h> 82 #include <dev/usb/usbdi.h> 83 #include <dev/usb/usbdi_util.h> 84 #include <dev/usb/usbdevs.h> 85 86 #include <dev/usb/if_urlreg.h> 87 88 89 /* Function declarations */ 90 int url_match(device_t, cfdata_t, void *); 91 void url_attach(device_t, device_t, void *); 92 int url_detach(device_t, int); 93 int url_activate(device_t, enum devact); 94 extern struct cfdriver url_cd; 95 CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, 96 url_detach, url_activate); 97 98 Static int url_openpipes(struct url_softc *); 99 Static int url_rx_list_init(struct url_softc *); 100 Static int url_tx_list_init(struct url_softc *); 101 Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); 102 Static void url_start(struct ifnet *); 103 Static int url_send(struct url_softc *, struct mbuf *, int); 104 Static void url_txeof(struct usbd_xfer *, void *, usbd_status); 105 Static void url_rxeof(struct usbd_xfer *, void *, usbd_status); 106 Static void url_tick(void *); 107 Static void url_tick_task(void *); 108 Static int url_ioctl(struct ifnet *, u_long, void *); 109 Static void url_stop_task(struct url_softc *); 110 Static void url_stop(struct ifnet *, int); 111 Static void url_watchdog(struct ifnet *); 112 Static int url_ifmedia_change(struct ifnet *); 113 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 114 Static void url_lock_mii(struct url_softc *); 115 Static void url_unlock_mii(struct url_softc *); 116 Static int url_int_miibus_readreg(device_t, int, int, uint16_t *); 117 Static int url_int_miibus_writereg(device_t, int, int, uint16_t); 118 Static void url_miibus_statchg(struct ifnet *); 119 Static int url_init(struct ifnet *); 120 Static void url_setmulti(struct url_softc *); 121 Static void url_reset(struct url_softc *); 122 123 Static int url_csr_read_1(struct url_softc *, int); 124 Static int url_csr_read_2(struct url_softc *, int); 125 Static int url_csr_write_1(struct url_softc *, int, int); 126 Static int url_csr_write_2(struct url_softc *, int, int); 127 Static int url_csr_write_4(struct url_softc *, int, int); 128 Static int url_mem(struct url_softc *, int, int, void *, int); 129 130 /* Macros */ 131 #ifdef URL_DEBUG 132 #define DPRINTF(x) if (urldebug) printf x 133 #define DPRINTFN(n,x) if (urldebug >= (n)) printf x 134 int urldebug = 0; 135 #else 136 #define DPRINTF(x) 137 #define DPRINTFN(n,x) 138 #endif 139 140 #define URL_SETBIT(sc, reg, x) \ 141 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 142 143 #define URL_SETBIT2(sc, reg, x) \ 144 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 145 146 #define URL_CLRBIT(sc, reg, x) \ 147 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 148 149 #define URL_CLRBIT2(sc, reg, x) \ 150 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 151 152 static const struct url_type { 153 struct usb_devno url_dev; 154 uint16_t url_flags; 155 #define URL_EXT_PHY 0x0001 156 } url_devs [] = { 157 /* MELCO LUA-KTX */ 158 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 159 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 160 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 161 /* Longshine LCS-8138TX */ 162 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 163 /* Micronet SP128AR */ 164 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 165 /* OQO model 01 */ 166 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 167 }; 168 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 169 170 171 /* Probe */ 172 int 173 url_match(device_t parent, cfdata_t match, void *aux) 174 { 175 struct usb_attach_arg *uaa = aux; 176 177 return url_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 178 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 179 } 180 /* Attach */ 181 void 182 url_attach(device_t parent, device_t self, void *aux) 183 { 184 struct url_softc *sc = device_private(self); 185 struct usb_attach_arg *uaa = aux; 186 struct usbd_device *dev = uaa->uaa_device; 187 struct usbd_interface *iface; 188 usbd_status err; 189 usb_interface_descriptor_t *id; 190 usb_endpoint_descriptor_t *ed; 191 char *devinfop; 192 struct ifnet *ifp; 193 struct mii_data *mii; 194 u_char eaddr[ETHER_ADDR_LEN]; 195 int i, s; 196 197 sc->sc_dev = self; 198 199 aprint_naive("\n"); 200 aprint_normal("\n"); 201 202 devinfop = usbd_devinfo_alloc(dev, 0); 203 aprint_normal_dev(self, "%s\n", devinfop); 204 usbd_devinfo_free(devinfop); 205 206 /* Move the device into the configured state. */ 207 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 208 if (err) { 209 aprint_error_dev(self, "failed to set configuration" 210 ", err=%s\n", usbd_errstr(err)); 211 goto bad; 212 } 213 214 usb_init_task(&sc->sc_tick_task, url_tick_task, sc, 0); 215 rw_init(&sc->sc_mii_rwlock); 216 usb_init_task(&sc->sc_stop_task, (void (*)(void *))url_stop_task, sc, 0); 217 218 /* get control interface */ 219 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 220 if (err) { 221 aprint_error_dev(self, "failed to get interface, err=%s\n", 222 usbd_errstr(err)); 223 goto bad; 224 } 225 226 sc->sc_udev = dev; 227 sc->sc_ctl_iface = iface; 228 sc->sc_flags = url_lookup(uaa->uaa_vendor, uaa->uaa_product)->url_flags; 229 230 /* get interface descriptor */ 231 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 232 233 /* find endpoints */ 234 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 235 for (i = 0; i < id->bNumEndpoints; i++) { 236 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 237 if (ed == NULL) { 238 aprint_error_dev(self, 239 "couldn't get endpoint %d\n", i); 240 goto bad; 241 } 242 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 244 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 245 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 246 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 247 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 248 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 249 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 250 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 251 } 252 253 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 254 sc->sc_intrin_no == -1) { 255 aprint_error_dev(self, "missing endpoint\n"); 256 goto bad; 257 } 258 259 s = splnet(); 260 261 /* reset the adapter */ 262 url_reset(sc); 263 264 /* Get Ethernet Address */ 265 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 266 ETHER_ADDR_LEN); 267 if (err) { 268 aprint_error_dev(self, "read MAC address failed\n"); 269 splx(s); 270 goto bad; 271 } 272 273 /* Print Ethernet Address */ 274 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 275 276 /* initialize interface information */ 277 ifp = GET_IFP(sc); 278 ifp->if_softc = sc; 279 ifp->if_mtu = ETHERMTU; 280 strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 281 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 282 ifp->if_start = url_start; 283 ifp->if_ioctl = url_ioctl; 284 ifp->if_watchdog = url_watchdog; 285 ifp->if_init = url_init; 286 ifp->if_stop = url_stop; 287 288 IFQ_SET_READY(&ifp->if_snd); 289 290 /* 291 * Do ifmedia setup. 292 */ 293 mii = &sc->sc_mii; 294 mii->mii_ifp = ifp; 295 mii->mii_readreg = url_int_miibus_readreg; 296 mii->mii_writereg = url_int_miibus_writereg; 297 #if 0 298 if (sc->sc_flags & URL_EXT_PHY) { 299 mii->mii_readreg = url_ext_miibus_readreg; 300 mii->mii_writereg = url_ext_miibus_writereg; 301 } 302 #endif 303 mii->mii_statchg = url_miibus_statchg; 304 mii->mii_flags = MIIF_AUTOTSLEEP; 305 sc->sc_ec.ec_mii = mii; 306 ifmedia_init(&mii->mii_media, 0, 307 url_ifmedia_change, url_ifmedia_status); 308 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 309 if (LIST_FIRST(&mii->mii_phys) == NULL) { 310 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 311 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 312 } else 313 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 314 315 /* attach the interface */ 316 if_attach(ifp); 317 ether_ifattach(ifp, eaddr); 318 319 rnd_attach_source(&sc->rnd_source, device_xname(self), 320 RND_TYPE_NET, RND_FLAG_DEFAULT); 321 322 callout_init(&sc->sc_stat_ch, 0); 323 sc->sc_attached = 1; 324 splx(s); 325 326 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 327 328 if (!pmf_device_register(self, NULL, NULL)) 329 aprint_error_dev(self, "couldn't establish power handler\n"); 330 331 return; 332 333 bad: 334 sc->sc_dying = 1; 335 return; 336 } 337 338 /* detach */ 339 int 340 url_detach(device_t self, int flags) 341 { 342 struct url_softc *sc = device_private(self); 343 struct ifnet *ifp = GET_IFP(sc); 344 int s; 345 346 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 347 348 /* Detached before attached finished */ 349 if (!sc->sc_attached) 350 return 0; 351 352 pmf_device_deregister(self); 353 354 /* 355 * XXX Halting callout guarantees no more tick tasks. What 356 * guarantees no more stop tasks? What guarantees no more 357 * calls to url_send? Don't we need to wait for if_detach or 358 * something? Should set sc->sc_dying here? Is device 359 * deactivation guaranteed to have already happened? 360 */ 361 callout_halt(&sc->sc_stat_ch, NULL); 362 363 /* Remove any pending tasks */ 364 usb_rem_task_wait(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER, 365 NULL); 366 usb_rem_task_wait(sc->sc_udev, &sc->sc_stop_task, USB_TASKQ_DRIVER, 367 NULL); 368 369 s = splusb(); 370 371 if (--sc->sc_refcnt >= 0) { 372 /* Wait for processes to go away */ 373 usb_detach_waitold(sc->sc_dev); 374 } 375 376 if (ifp->if_flags & IFF_RUNNING) 377 url_stop(GET_IFP(sc), 1); 378 379 rnd_detach_source(&sc->rnd_source); 380 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 381 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 382 ether_ifdetach(ifp); 383 if_detach(ifp); 384 385 #ifdef DIAGNOSTIC 386 if (sc->sc_pipe_tx != NULL) 387 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 388 if (sc->sc_pipe_rx != NULL) 389 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 390 if (sc->sc_pipe_intr != NULL) 391 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 392 #endif 393 394 sc->sc_attached = 0; 395 396 splx(s); 397 398 rw_destroy(&sc->sc_mii_rwlock); 399 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 400 401 return 0; 402 } 403 404 /* read/write memory */ 405 Static int 406 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 407 { 408 usb_device_request_t req; 409 usbd_status err; 410 411 if (sc == NULL) 412 return 0; 413 414 DPRINTFN(0x200, 415 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 416 417 if (sc->sc_dying) 418 return 0; 419 420 if (cmd == URL_CMD_READMEM) 421 req.bmRequestType = UT_READ_VENDOR_DEVICE; 422 else 423 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 424 req.bRequest = URL_REQ_MEM; 425 USETW(req.wValue, offset); 426 USETW(req.wIndex, 0x0000); 427 USETW(req.wLength, len); 428 429 sc->sc_refcnt++; 430 err = usbd_do_request(sc->sc_udev, &req, buf); 431 if (--sc->sc_refcnt < 0) 432 usb_detach_wakeupold(sc->sc_dev); 433 if (err) { 434 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 435 device_xname(sc->sc_dev), 436 cmd == URL_CMD_READMEM ? "read" : "write", 437 offset, err)); 438 } 439 440 return err; 441 } 442 443 /* read 1byte from register */ 444 Static int 445 url_csr_read_1(struct url_softc *sc, int reg) 446 { 447 uint8_t val = 0; 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 return url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val; 456 } 457 458 /* read 2bytes from register */ 459 Static int 460 url_csr_read_2(struct url_softc *sc, int reg) 461 { 462 uWord val; 463 464 DPRINTFN(0x100, 465 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 466 467 if (sc->sc_dying) 468 return 0; 469 470 USETW(val, 0); 471 return url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val); 472 } 473 474 /* write 1byte to register */ 475 Static int 476 url_csr_write_1(struct url_softc *sc, int reg, int aval) 477 { 478 uint8_t val = aval; 479 480 DPRINTFN(0x100, 481 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 482 483 if (sc->sc_dying) 484 return 0; 485 486 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0; 487 } 488 489 /* write 2bytes to register */ 490 Static int 491 url_csr_write_2(struct url_softc *sc, int reg, int aval) 492 { 493 uWord val; 494 495 DPRINTFN(0x100, 496 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 497 498 USETW(val, aval); 499 500 if (sc->sc_dying) 501 return 0; 502 503 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0; 504 } 505 506 /* write 4bytes to register */ 507 Static int 508 url_csr_write_4(struct url_softc *sc, int reg, int aval) 509 { 510 uDWord val; 511 512 DPRINTFN(0x100, 513 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 514 515 USETDW(val, aval); 516 517 if (sc->sc_dying) 518 return 0; 519 520 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0; 521 } 522 523 Static int 524 url_init(struct ifnet *ifp) 525 { 526 struct url_softc *sc = ifp->if_softc; 527 struct mii_data *mii = GET_MII(sc); 528 const u_char *eaddr; 529 int i, rc, s; 530 531 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 532 533 if (sc->sc_dying) 534 return EIO; 535 536 s = splnet(); 537 538 /* Cancel pending I/O and free all TX/RX buffers */ 539 url_stop(ifp, 1); 540 541 eaddr = CLLADDR(ifp->if_sadl); 542 for (i = 0; i < ETHER_ADDR_LEN; i++) 543 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 544 545 /* Init transmission control register */ 546 URL_CLRBIT(sc, URL_TCR, 547 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 548 URL_TCR_IFG1 | URL_TCR_IFG0 | 549 URL_TCR_NOCRC); 550 551 /* Init receive control register */ 552 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 553 if (ifp->if_flags & IFF_BROADCAST) 554 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 555 else 556 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 557 558 /* If we want promiscuous mode, accept all physical frames. */ 559 if (ifp->if_flags & IFF_PROMISC) 560 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 561 else 562 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 563 564 565 /* Load the multicast filter */ 566 url_setmulti(sc); 567 568 /* Enable RX and TX */ 569 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 570 571 if ((rc = mii_mediachg(mii)) == ENXIO) 572 rc = 0; 573 else if (rc != 0) 574 goto out; 575 576 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 577 if (url_openpipes(sc)) { 578 splx(s); 579 return EIO; 580 } 581 } 582 /* Initialize transmit ring */ 583 if (url_tx_list_init(sc)) { 584 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 585 splx(s); 586 return EIO; 587 } 588 589 /* Initialize receive ring */ 590 if (url_rx_list_init(sc)) { 591 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 592 splx(s); 593 return EIO; 594 } 595 /* Start up the receive pipe. */ 596 for (i = 0; i < URL_RX_LIST_CNT; i++) { 597 struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; 598 599 usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, 600 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); 601 (void)usbd_transfer(c->url_xfer); 602 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 603 __func__)); 604 } 605 606 ifp->if_flags |= IFF_RUNNING; 607 ifp->if_flags &= ~IFF_OACTIVE; 608 609 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 610 611 out: 612 splx(s); 613 return rc; 614 } 615 616 Static void 617 url_reset(struct url_softc *sc) 618 { 619 int i; 620 621 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 622 623 if (sc->sc_dying) 624 return; 625 626 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 627 628 for (i = 0; i < URL_TX_TIMEOUT; i++) { 629 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 630 break; 631 delay(10); /* XXX */ 632 } 633 634 delay(10000); /* XXX */ 635 } 636 637 int 638 url_activate(device_t self, enum devact act) 639 { 640 struct url_softc *sc = device_private(self); 641 642 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 643 __func__, act)); 644 645 switch (act) { 646 case DVACT_DEACTIVATE: 647 if_deactivate(&sc->sc_ec.ec_if); 648 sc->sc_dying = 1; 649 return 0; 650 default: 651 return EOPNOTSUPP; 652 } 653 } 654 655 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 656 657 658 Static void 659 url_setmulti(struct url_softc *sc) 660 { 661 struct ifnet *ifp; 662 struct ether_multi *enm; 663 struct ether_multistep step; 664 uint32_t hashes[2] = { 0, 0 }; 665 int h = 0; 666 int mcnt = 0; 667 668 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 669 670 if (sc->sc_dying) 671 return; 672 673 ifp = GET_IFP(sc); 674 675 if (ifp->if_flags & IFF_PROMISC) { 676 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 677 return; 678 } else if (ifp->if_flags & IFF_ALLMULTI) { 679 allmulti: 680 ifp->if_flags |= IFF_ALLMULTI; 681 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 682 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 683 return; 684 } 685 686 /* first, zot all the existing hash bits */ 687 url_csr_write_4(sc, URL_MAR0, 0); 688 url_csr_write_4(sc, URL_MAR4, 0); 689 690 /* now program new ones */ 691 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 692 while (enm != NULL) { 693 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 694 ETHER_ADDR_LEN) != 0) 695 goto allmulti; 696 697 h = url_calchash(enm->enm_addrlo); 698 if (h < 32) 699 hashes[0] |= (1 << h); 700 else 701 hashes[1] |= (1 << (h -32)); 702 mcnt++; 703 ETHER_NEXT_MULTI(step, enm); 704 } 705 706 ifp->if_flags &= ~IFF_ALLMULTI; 707 708 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 709 710 if (mcnt){ 711 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 712 } else { 713 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 714 } 715 url_csr_write_4(sc, URL_MAR0, hashes[0]); 716 url_csr_write_4(sc, URL_MAR4, hashes[1]); 717 } 718 719 Static int 720 url_openpipes(struct url_softc *sc) 721 { 722 usbd_status err; 723 int error = 0; 724 725 if (sc->sc_dying) 726 return EIO; 727 728 sc->sc_refcnt++; 729 730 /* Open RX pipe */ 731 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 732 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 733 if (err) { 734 printf("%s: open rx pipe failed: %s\n", 735 device_xname(sc->sc_dev), usbd_errstr(err)); 736 error = EIO; 737 goto done; 738 } 739 740 /* Open TX pipe */ 741 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 742 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 743 if (err) { 744 printf("%s: open tx pipe failed: %s\n", 745 device_xname(sc->sc_dev), usbd_errstr(err)); 746 error = EIO; 747 goto done; 748 } 749 750 #if 0 751 /* XXX: interrupt endpoint is not yet supported */ 752 /* Open Interrupt pipe */ 753 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 754 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 755 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 756 url_intr, USBD_DEFAULT_INTERVAL); 757 if (err) { 758 printf("%s: open intr pipe failed: %s\n", 759 device_xname(sc->sc_dev), usbd_errstr(err)); 760 error = EIO; 761 goto done; 762 } 763 #endif 764 765 done: 766 if (--sc->sc_refcnt < 0) 767 usb_detach_wakeupold(sc->sc_dev); 768 769 return error; 770 } 771 772 Static int 773 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 774 { 775 struct mbuf *m_new = NULL; 776 777 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 778 779 if (m == NULL) { 780 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 781 if (m_new == NULL) { 782 printf("%s: no memory for rx list " 783 "-- packet dropped!\n", device_xname(sc->sc_dev)); 784 return ENOBUFS; 785 } 786 MCLGET(m_new, M_DONTWAIT); 787 if (!(m_new->m_flags & M_EXT)) { 788 printf("%s: no memory for rx list " 789 "-- packet dropped!\n", device_xname(sc->sc_dev)); 790 m_freem(m_new); 791 return ENOBUFS; 792 } 793 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 794 } else { 795 m_new = m; 796 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 797 m_new->m_data = m_new->m_ext.ext_buf; 798 } 799 800 m_adj(m_new, ETHER_ALIGN); 801 c->url_mbuf = m_new; 802 803 return 0; 804 } 805 806 807 Static int 808 url_rx_list_init(struct url_softc *sc) 809 { 810 struct url_cdata *cd; 811 struct url_chain *c; 812 int i; 813 814 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 815 816 cd = &sc->sc_cdata; 817 for (i = 0; i < URL_RX_LIST_CNT; i++) { 818 c = &cd->url_rx_chain[i]; 819 c->url_sc = sc; 820 c->url_idx = i; 821 if (url_newbuf(sc, c, NULL) == ENOBUFS) 822 return ENOBUFS; 823 if (c->url_xfer == NULL) { 824 int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, 825 0, 0, &c->url_xfer); 826 if (error) 827 return error; 828 c->url_buf = usbd_get_buffer(c->url_xfer); 829 } 830 } 831 832 return 0; 833 } 834 835 Static int 836 url_tx_list_init(struct url_softc *sc) 837 { 838 struct url_cdata *cd; 839 struct url_chain *c; 840 int i; 841 842 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 843 844 cd = &sc->sc_cdata; 845 for (i = 0; i < URL_TX_LIST_CNT; i++) { 846 c = &cd->url_tx_chain[i]; 847 c->url_sc = sc; 848 c->url_idx = i; 849 c->url_mbuf = NULL; 850 if (c->url_xfer == NULL) { 851 int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, 852 USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); 853 if (error) 854 return error; 855 c->url_buf = usbd_get_buffer(c->url_xfer); 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, BPF_D_OUT); 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,c, c->url_buf, total_len, 921 USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); 922 923 /* Transmit */ 924 sc->sc_refcnt++; 925 err = usbd_transfer(c->url_xfer); 926 if (--sc->sc_refcnt < 0) 927 usb_detach_wakeupold(sc->sc_dev); 928 if (err != USBD_IN_PROGRESS) { 929 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 930 usbd_errstr(err)); 931 /* Stop the interface */ 932 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 933 USB_TASKQ_DRIVER); 934 return EIO; 935 } 936 937 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 938 __func__, total_len)); 939 940 sc->sc_cdata.url_tx_cnt++; 941 942 return 0; 943 } 944 945 Static void 946 url_txeof(struct usbd_xfer *xfer, void *priv, 947 usbd_status status) 948 { 949 struct url_chain *c = priv; 950 struct url_softc *sc = c->url_sc; 951 struct ifnet *ifp = GET_IFP(sc); 952 int s; 953 954 if (sc->sc_dying) 955 return; 956 957 s = splnet(); 958 959 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 960 961 ifp->if_timer = 0; 962 ifp->if_flags &= ~IFF_OACTIVE; 963 964 if (status != USBD_NORMAL_COMPLETION) { 965 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 966 splx(s); 967 return; 968 } 969 ifp->if_oerrors++; 970 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 971 usbd_errstr(status)); 972 if (status == USBD_STALLED) { 973 sc->sc_refcnt++; 974 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 975 if (--sc->sc_refcnt < 0) 976 usb_detach_wakeupold(sc->sc_dev); 977 } 978 splx(s); 979 return; 980 } 981 982 ifp->if_opackets++; 983 984 m_freem(c->url_mbuf); 985 c->url_mbuf = NULL; 986 987 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 988 url_start(ifp); 989 990 splx(s); 991 } 992 993 Static void 994 url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 995 { 996 struct url_chain *c = priv; 997 struct url_softc *sc = c->url_sc; 998 struct ifnet *ifp = GET_IFP(sc); 999 struct mbuf *m; 1000 uint32_t total_len; 1001 url_rxhdr_t rxhdr; 1002 int s; 1003 1004 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1005 1006 if (sc->sc_dying) 1007 return; 1008 1009 if (status != USBD_NORMAL_COMPLETION) { 1010 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1011 return; 1012 sc->sc_rx_errs++; 1013 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1014 printf("%s: %u usb errors on rx: %s\n", 1015 device_xname(sc->sc_dev), sc->sc_rx_errs, 1016 usbd_errstr(status)); 1017 sc->sc_rx_errs = 0; 1018 } 1019 if (status == USBD_STALLED) { 1020 sc->sc_refcnt++; 1021 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1022 if (--sc->sc_refcnt < 0) 1023 usb_detach_wakeupold(sc->sc_dev); 1024 } 1025 goto done; 1026 } 1027 1028 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1029 1030 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1031 1032 if (total_len <= ETHER_CRC_LEN) { 1033 ifp->if_ierrors++; 1034 goto done; 1035 } 1036 1037 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1038 1039 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1040 device_xname(sc->sc_dev), 1041 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1042 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1043 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1044 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1045 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1046 1047 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1048 ifp->if_ierrors++; 1049 goto done; 1050 } 1051 1052 total_len -= ETHER_CRC_LEN; 1053 1054 m = c->url_mbuf; 1055 m->m_pkthdr.len = m->m_len = total_len; 1056 m_set_rcvif(m, ifp); 1057 1058 s = splnet(); 1059 1060 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1061 ifp->if_ierrors++; 1062 goto done1; 1063 } 1064 1065 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1066 __func__, m->m_len)); 1067 if_percpuq_enqueue((ifp)->if_percpuq, (m)); 1068 1069 done1: 1070 splx(s); 1071 1072 done: 1073 /* Setup new transfer */ 1074 usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, 1075 USBD_NO_TIMEOUT, url_rxeof); 1076 sc->sc_refcnt++; 1077 usbd_transfer(xfer); 1078 if (--sc->sc_refcnt < 0) 1079 usb_detach_wakeupold(sc->sc_dev); 1080 1081 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1082 } 1083 1084 #if 0 1085 Static void url_intr(void) 1086 { 1087 } 1088 #endif 1089 1090 Static int 1091 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1092 { 1093 struct url_softc *sc = ifp->if_softc; 1094 int s, error = 0; 1095 1096 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1097 1098 if (sc->sc_dying) 1099 return EIO; 1100 1101 s = splnet(); 1102 1103 error = ether_ioctl(ifp, cmd, data); 1104 if (error == ENETRESET) { 1105 if (ifp->if_flags & IFF_RUNNING) 1106 url_setmulti(sc); 1107 error = 0; 1108 } 1109 1110 splx(s); 1111 1112 return error; 1113 } 1114 1115 Static void 1116 url_watchdog(struct ifnet *ifp) 1117 { 1118 struct url_softc *sc = ifp->if_softc; 1119 struct url_chain *c; 1120 usbd_status stat; 1121 int s; 1122 1123 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1124 1125 ifp->if_oerrors++; 1126 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1127 1128 s = splusb(); 1129 c = &sc->sc_cdata.url_tx_chain[0]; 1130 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1131 url_txeof(c->url_xfer, c, stat); 1132 1133 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1134 url_start(ifp); 1135 splx(s); 1136 } 1137 1138 Static void 1139 url_stop_task(struct url_softc *sc) 1140 { 1141 url_stop(GET_IFP(sc), 1); 1142 } 1143 1144 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1145 Static void 1146 url_stop(struct ifnet *ifp, int disable) 1147 { 1148 struct url_softc *sc = ifp->if_softc; 1149 usbd_status err; 1150 int i; 1151 1152 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1153 1154 ifp->if_timer = 0; 1155 1156 url_reset(sc); 1157 1158 callout_stop(&sc->sc_stat_ch); 1159 1160 /* Stop transfers */ 1161 /* RX endpoint */ 1162 if (sc->sc_pipe_rx != NULL) { 1163 err = usbd_abort_pipe(sc->sc_pipe_rx); 1164 if (err) 1165 printf("%s: abort rx pipe failed: %s\n", 1166 device_xname(sc->sc_dev), usbd_errstr(err)); 1167 } 1168 1169 /* TX endpoint */ 1170 if (sc->sc_pipe_tx != NULL) { 1171 err = usbd_abort_pipe(sc->sc_pipe_tx); 1172 if (err) 1173 printf("%s: abort tx pipe failed: %s\n", 1174 device_xname(sc->sc_dev), usbd_errstr(err)); 1175 } 1176 1177 #if 0 1178 /* XXX: Interrupt endpoint is not yet supported!! */ 1179 /* Interrupt endpoint */ 1180 if (sc->sc_pipe_intr != NULL) { 1181 err = usbd_abort_pipe(sc->sc_pipe_intr); 1182 if (err) 1183 printf("%s: abort intr pipe failed: %s\n", 1184 device_xname(sc->sc_dev), usbd_errstr(err)); 1185 err = usbd_close_pipe(sc->sc_pipe_intr); 1186 if (err) 1187 printf("%s: close intr pipe failed: %s\n", 1188 device_xname(sc->sc_dev), usbd_errstr(err)); 1189 sc->sc_pipe_intr = NULL; 1190 } 1191 #endif 1192 1193 /* Free RX resources. */ 1194 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1195 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1196 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1197 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1198 } 1199 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1200 usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1201 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1202 } 1203 } 1204 1205 /* Free TX resources. */ 1206 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1207 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1208 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1209 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1210 } 1211 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1212 usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1213 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1214 } 1215 } 1216 1217 /* Close pipes */ 1218 /* RX endpoint */ 1219 if (sc->sc_pipe_rx != NULL) { 1220 err = usbd_close_pipe(sc->sc_pipe_rx); 1221 if (err) 1222 printf("%s: close rx pipe failed: %s\n", 1223 device_xname(sc->sc_dev), usbd_errstr(err)); 1224 sc->sc_pipe_rx = NULL; 1225 } 1226 1227 /* TX endpoint */ 1228 if (sc->sc_pipe_tx != NULL) { 1229 err = usbd_close_pipe(sc->sc_pipe_tx); 1230 if (err) 1231 printf("%s: close tx pipe failed: %s\n", 1232 device_xname(sc->sc_dev), usbd_errstr(err)); 1233 sc->sc_pipe_tx = NULL; 1234 } 1235 1236 sc->sc_link = 0; 1237 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1238 } 1239 1240 /* Set media options */ 1241 Static int 1242 url_ifmedia_change(struct ifnet *ifp) 1243 { 1244 struct url_softc *sc = ifp->if_softc; 1245 struct mii_data *mii = GET_MII(sc); 1246 int rc; 1247 1248 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1249 1250 if (sc->sc_dying) 1251 return 0; 1252 1253 sc->sc_link = 0; 1254 if ((rc = mii_mediachg(mii)) == ENXIO) 1255 return 0; 1256 return rc; 1257 } 1258 1259 /* Report current media status. */ 1260 Static void 1261 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1262 { 1263 struct url_softc *sc = ifp->if_softc; 1264 1265 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1266 1267 if (sc->sc_dying) 1268 return; 1269 1270 ether_mediastatus(ifp, ifmr); 1271 } 1272 1273 Static void 1274 url_tick(void *xsc) 1275 { 1276 struct url_softc *sc = xsc; 1277 1278 if (sc == NULL) 1279 return; 1280 1281 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1282 __func__)); 1283 1284 if (sc->sc_dying) 1285 return; 1286 1287 /* Perform periodic stuff in process context */ 1288 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1289 } 1290 1291 Static void 1292 url_tick_task(void *xsc) 1293 { 1294 struct url_softc *sc = xsc; 1295 struct ifnet *ifp; 1296 struct mii_data *mii; 1297 int s; 1298 1299 if (sc == NULL) 1300 return; 1301 1302 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1303 __func__)); 1304 1305 if (sc->sc_dying) 1306 return; 1307 1308 ifp = GET_IFP(sc); 1309 mii = GET_MII(sc); 1310 1311 if (mii == NULL) 1312 return; 1313 1314 s = splnet(); 1315 1316 mii_tick(mii); 1317 if (!sc->sc_link) { 1318 mii_pollstat(mii); 1319 if (mii->mii_media_status & IFM_ACTIVE && 1320 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1321 DPRINTF(("%s: %s: got link\n", 1322 device_xname(sc->sc_dev), __func__)); 1323 sc->sc_link++; 1324 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1325 url_start(ifp); 1326 } 1327 } 1328 1329 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1330 1331 splx(s); 1332 } 1333 1334 /* Get exclusive access to the MII registers */ 1335 Static void 1336 url_lock_mii(struct url_softc *sc) 1337 { 1338 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1339 __func__)); 1340 1341 sc->sc_refcnt++; 1342 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1343 } 1344 1345 Static void 1346 url_unlock_mii(struct url_softc *sc) 1347 { 1348 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1349 __func__)); 1350 1351 rw_exit(&sc->sc_mii_rwlock); 1352 if (--sc->sc_refcnt < 0) 1353 usb_detach_wakeupold(sc->sc_dev); 1354 } 1355 1356 Static int 1357 url_int_miibus_readreg(device_t dev, int phy, int reg, uint16_t *val) 1358 { 1359 struct url_softc *sc; 1360 uint16_t data; 1361 int rv = 0; 1362 1363 if (dev == NULL) 1364 return 0; 1365 1366 sc = device_private(dev); 1367 1368 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1369 device_xname(sc->sc_dev), __func__, phy, reg)); 1370 1371 if (sc->sc_dying) { 1372 #ifdef DIAGNOSTIC 1373 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1374 __func__); 1375 #endif 1376 return -1; 1377 } 1378 1379 /* XXX: one PHY only for the RTL8150 internal PHY */ 1380 if (phy != 0) { 1381 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1382 device_xname(sc->sc_dev), __func__, phy)); 1383 return -1; 1384 } 1385 1386 url_lock_mii(sc); 1387 1388 switch (reg) { 1389 case MII_BMCR: /* Control Register */ 1390 reg = URL_BMCR; 1391 break; 1392 case MII_BMSR: /* Status Register */ 1393 reg = URL_BMSR; 1394 break; 1395 case MII_PHYIDR1: 1396 case MII_PHYIDR2: 1397 *val = 0; 1398 goto R_DONE; 1399 break; 1400 case MII_ANAR: /* Autonegotiation advertisement */ 1401 reg = URL_ANAR; 1402 break; 1403 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1404 reg = URL_ANLP; 1405 break; 1406 case URLPHY_MSR: /* Media Status Register */ 1407 reg = URL_MSR; 1408 break; 1409 default: 1410 printf("%s: %s: bad register %04x\n", 1411 device_xname(sc->sc_dev), __func__, reg); 1412 rv = -1; 1413 goto R_DONE; 1414 break; 1415 } 1416 1417 if (reg == URL_MSR) 1418 data = url_csr_read_1(sc, reg); 1419 else 1420 data = url_csr_read_2(sc, reg); 1421 *val = data; 1422 1423 R_DONE: 1424 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04hx\n", 1425 device_xname(sc->sc_dev), __func__, phy, reg, *val)); 1426 1427 url_unlock_mii(sc); 1428 return rv; 1429 } 1430 1431 Static int 1432 url_int_miibus_writereg(device_t dev, int phy, int reg, uint16_t val) 1433 { 1434 struct url_softc *sc; 1435 int rv = 0; 1436 1437 if (dev == NULL) 1438 return -1; 1439 1440 sc = device_private(dev); 1441 1442 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x val=0x%04hx\n", 1443 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1444 1445 if (sc->sc_dying) { 1446 #ifdef DIAGNOSTIC 1447 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1448 __func__); 1449 #endif 1450 return -1; 1451 } 1452 1453 /* XXX: one PHY only for the RTL8150 internal PHY */ 1454 if (phy != 0) { 1455 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1456 device_xname(sc->sc_dev), __func__, phy)); 1457 return -1; 1458 } 1459 1460 url_lock_mii(sc); 1461 1462 switch (reg) { 1463 case MII_BMCR: /* Control Register */ 1464 reg = URL_BMCR; 1465 break; 1466 case MII_BMSR: /* Status Register */ 1467 reg = URL_BMSR; 1468 break; 1469 case MII_PHYIDR1: 1470 case MII_PHYIDR2: 1471 goto W_DONE; 1472 break; 1473 case MII_ANAR: /* Autonegotiation advertisement */ 1474 reg = URL_ANAR; 1475 break; 1476 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1477 reg = URL_ANLP; 1478 break; 1479 case URLPHY_MSR: /* Media Status Register */ 1480 reg = URL_MSR; 1481 break; 1482 default: 1483 printf("%s: %s: bad register %04x\n", 1484 device_xname(sc->sc_dev), __func__, reg); 1485 rv = -1; 1486 goto W_DONE; 1487 break; 1488 } 1489 1490 if (reg == URL_MSR) 1491 url_csr_write_1(sc, reg, val); 1492 else 1493 url_csr_write_2(sc, reg, val); 1494 W_DONE: 1495 1496 url_unlock_mii(sc); 1497 return rv; 1498 } 1499 1500 Static void 1501 url_miibus_statchg(struct ifnet *ifp) 1502 { 1503 #ifdef URL_DEBUG 1504 if (ifp == NULL) 1505 return; 1506 1507 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1508 #endif 1509 /* Nothing to do */ 1510 } 1511 1512 #if 0 1513 /* 1514 * external PHYs support, but not test. 1515 */ 1516 Static int 1517 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1518 { 1519 struct url_softc *sc = device_private(dev); 1520 uint16_t val; 1521 1522 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1523 device_xname(sc->sc_dev), __func__, phy, reg)); 1524 1525 if (sc->sc_dying) { 1526 #ifdef DIAGNOSTIC 1527 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1528 __func__); 1529 #endif 1530 return 0; 1531 } 1532 1533 url_lock_mii(sc); 1534 1535 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1536 /* 1537 * RTL8150L will initiate a MII management data transaction 1538 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1539 * this bit is auto cleared by TRL8150L. 1540 */ 1541 url_csr_write_1(sc, URL_PHYCNT, 1542 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1543 for (i = 0; i < URL_TIMEOUT; i++) { 1544 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1545 break; 1546 } 1547 if (i == URL_TIMEOUT) { 1548 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1549 } 1550 1551 val = url_csr_read_2(sc, URL_PHYDAT); 1552 1553 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1554 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1555 1556 url_unlock_mii(sc); 1557 return val; 1558 } 1559 1560 Static void 1561 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1562 { 1563 struct url_softc *sc = device_private(dev); 1564 1565 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1566 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1567 1568 if (sc->sc_dying) { 1569 #ifdef DIAGNOSTIC 1570 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1571 __func__); 1572 #endif 1573 return; 1574 } 1575 1576 url_lock_mii(sc); 1577 1578 url_csr_write_2(sc, URL_PHYDAT, data); 1579 url_csr_write_1(sc, URL_PHYADD, phy); 1580 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1581 1582 for (i=0; i < URL_TIMEOUT; i++) { 1583 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1584 break; 1585 } 1586 1587 if (i == URL_TIMEOUT) { 1588 printf("%s: MII write timed out\n", 1589 device_xname(sc->sc_dev)); 1590 } 1591 1592 url_unlock_mii(sc); 1593 return; 1594 } 1595 #endif 1596
Indexes created Tue Sep 30 20:09:53 GMT 2025