if_url.c revision 1.59
1 /* $NetBSD: if_url.c,v 1.59 2018/07/29 02:08:17 riastradh 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 1.59 2018/07/29 02:08:17 riastradh 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); 117 Static void url_int_miibus_writereg(device_t, int, int, int); 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 return; 329 330 bad: 331 sc->sc_dying = 1; 332 return; 333 } 334 335 /* detach */ 336 int 337 url_detach(device_t self, int flags) 338 { 339 struct url_softc *sc = device_private(self); 340 struct ifnet *ifp = GET_IFP(sc); 341 int s; 342 343 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 344 345 /* Detached before attached finished */ 346 if (!sc->sc_attached) 347 return 0; 348 349 /* 350 * XXX Halting callout guarantees no more tick tasks. What 351 * guarantees no more stop tasks? What guarantees no more 352 * calls to url_send? Don't we need to wait for if_detach or 353 * something? Should set sc->sc_dying here? Is device 354 * deactivation guaranteed to have already happened? 355 */ 356 callout_halt(&sc->sc_stat_ch, NULL); 357 358 /* Remove any pending tasks */ 359 usb_rem_task_wait(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 360 usb_rem_task_wait(sc->sc_udev, &sc->sc_stop_task, USB_TASKQ_DRIVER); 361 362 s = splusb(); 363 364 if (--sc->sc_refcnt >= 0) { 365 /* Wait for processes to go away */ 366 usb_detach_waitold(sc->sc_dev); 367 } 368 369 if (ifp->if_flags & IFF_RUNNING) 370 url_stop(GET_IFP(sc), 1); 371 372 rnd_detach_source(&sc->rnd_source); 373 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 374 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 375 ether_ifdetach(ifp); 376 if_detach(ifp); 377 378 #ifdef DIAGNOSTIC 379 if (sc->sc_pipe_tx != NULL) 380 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 381 if (sc->sc_pipe_rx != NULL) 382 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 383 if (sc->sc_pipe_intr != NULL) 384 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 385 #endif 386 387 sc->sc_attached = 0; 388 389 splx(s); 390 391 rw_destroy(&sc->sc_mii_rwlock); 392 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 393 394 return 0; 395 } 396 397 /* read/write memory */ 398 Static int 399 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 400 { 401 usb_device_request_t req; 402 usbd_status err; 403 404 if (sc == NULL) 405 return 0; 406 407 DPRINTFN(0x200, 408 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 409 410 if (sc->sc_dying) 411 return 0; 412 413 if (cmd == URL_CMD_READMEM) 414 req.bmRequestType = UT_READ_VENDOR_DEVICE; 415 else 416 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 417 req.bRequest = URL_REQ_MEM; 418 USETW(req.wValue, offset); 419 USETW(req.wIndex, 0x0000); 420 USETW(req.wLength, len); 421 422 sc->sc_refcnt++; 423 err = usbd_do_request(sc->sc_udev, &req, buf); 424 if (--sc->sc_refcnt < 0) 425 usb_detach_wakeupold(sc->sc_dev); 426 if (err) { 427 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 428 device_xname(sc->sc_dev), 429 cmd == URL_CMD_READMEM ? "read" : "write", 430 offset, err)); 431 } 432 433 return err; 434 } 435 436 /* read 1byte from register */ 437 Static int 438 url_csr_read_1(struct url_softc *sc, int reg) 439 { 440 uint8_t val = 0; 441 442 DPRINTFN(0x100, 443 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 444 445 if (sc->sc_dying) 446 return 0; 447 448 return url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val; 449 } 450 451 /* read 2bytes from register */ 452 Static int 453 url_csr_read_2(struct url_softc *sc, int reg) 454 { 455 uWord val; 456 457 DPRINTFN(0x100, 458 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 459 460 if (sc->sc_dying) 461 return 0; 462 463 USETW(val, 0); 464 return url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val); 465 } 466 467 /* write 1byte to register */ 468 Static int 469 url_csr_write_1(struct url_softc *sc, int reg, int aval) 470 { 471 uint8_t val = aval; 472 473 DPRINTFN(0x100, 474 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 475 476 if (sc->sc_dying) 477 return 0; 478 479 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0; 480 } 481 482 /* write 2bytes to register */ 483 Static int 484 url_csr_write_2(struct url_softc *sc, int reg, int aval) 485 { 486 uWord val; 487 488 DPRINTFN(0x100, 489 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 490 491 USETW(val, aval); 492 493 if (sc->sc_dying) 494 return 0; 495 496 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0; 497 } 498 499 /* write 4bytes to register */ 500 Static int 501 url_csr_write_4(struct url_softc *sc, int reg, int aval) 502 { 503 uDWord val; 504 505 DPRINTFN(0x100, 506 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 507 508 USETDW(val, aval); 509 510 if (sc->sc_dying) 511 return 0; 512 513 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0; 514 } 515 516 Static int 517 url_init(struct ifnet *ifp) 518 { 519 struct url_softc *sc = ifp->if_softc; 520 struct mii_data *mii = GET_MII(sc); 521 const u_char *eaddr; 522 int i, rc, s; 523 524 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 525 526 if (sc->sc_dying) 527 return EIO; 528 529 s = splnet(); 530 531 /* Cancel pending I/O and free all TX/RX buffers */ 532 url_stop(ifp, 1); 533 534 eaddr = CLLADDR(ifp->if_sadl); 535 for (i = 0; i < ETHER_ADDR_LEN; i++) 536 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 537 538 /* Init transmission control register */ 539 URL_CLRBIT(sc, URL_TCR, 540 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 541 URL_TCR_IFG1 | URL_TCR_IFG0 | 542 URL_TCR_NOCRC); 543 544 /* Init receive control register */ 545 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 546 if (ifp->if_flags & IFF_BROADCAST) 547 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 548 else 549 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 550 551 /* If we want promiscuous mode, accept all physical frames. */ 552 if (ifp->if_flags & IFF_PROMISC) 553 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 554 else 555 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 556 557 558 /* Load the multicast filter */ 559 url_setmulti(sc); 560 561 /* Enable RX and TX */ 562 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 563 564 if ((rc = mii_mediachg(mii)) == ENXIO) 565 rc = 0; 566 else if (rc != 0) 567 goto out; 568 569 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 570 if (url_openpipes(sc)) { 571 splx(s); 572 return EIO; 573 } 574 } 575 /* Initialize transmit ring */ 576 if (url_tx_list_init(sc)) { 577 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 578 splx(s); 579 return EIO; 580 } 581 582 /* Initialize receive ring */ 583 if (url_rx_list_init(sc)) { 584 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 585 splx(s); 586 return EIO; 587 } 588 /* Start up the receive pipe. */ 589 for (i = 0; i < URL_RX_LIST_CNT; i++) { 590 struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; 591 592 usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, 593 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); 594 (void)usbd_transfer(c->url_xfer); 595 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 596 __func__)); 597 } 598 599 ifp->if_flags |= IFF_RUNNING; 600 ifp->if_flags &= ~IFF_OACTIVE; 601 602 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 603 604 out: 605 splx(s); 606 return rc; 607 } 608 609 Static void 610 url_reset(struct url_softc *sc) 611 { 612 int i; 613 614 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 615 616 if (sc->sc_dying) 617 return; 618 619 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 620 621 for (i = 0; i < URL_TX_TIMEOUT; i++) { 622 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 623 break; 624 delay(10); /* XXX */ 625 } 626 627 delay(10000); /* XXX */ 628 } 629 630 int 631 url_activate(device_t self, enum devact act) 632 { 633 struct url_softc *sc = device_private(self); 634 635 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 636 __func__, act)); 637 638 switch (act) { 639 case DVACT_DEACTIVATE: 640 if_deactivate(&sc->sc_ec.ec_if); 641 sc->sc_dying = 1; 642 return 0; 643 default: 644 return EOPNOTSUPP; 645 } 646 } 647 648 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 649 650 651 Static void 652 url_setmulti(struct url_softc *sc) 653 { 654 struct ifnet *ifp; 655 struct ether_multi *enm; 656 struct ether_multistep step; 657 uint32_t hashes[2] = { 0, 0 }; 658 int h = 0; 659 int mcnt = 0; 660 661 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 662 663 if (sc->sc_dying) 664 return; 665 666 ifp = GET_IFP(sc); 667 668 if (ifp->if_flags & IFF_PROMISC) { 669 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 670 return; 671 } else if (ifp->if_flags & IFF_ALLMULTI) { 672 allmulti: 673 ifp->if_flags |= IFF_ALLMULTI; 674 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 675 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 676 return; 677 } 678 679 /* first, zot all the existing hash bits */ 680 url_csr_write_4(sc, URL_MAR0, 0); 681 url_csr_write_4(sc, URL_MAR4, 0); 682 683 /* now program new ones */ 684 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 685 while (enm != NULL) { 686 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 687 ETHER_ADDR_LEN) != 0) 688 goto allmulti; 689 690 h = url_calchash(enm->enm_addrlo); 691 if (h < 32) 692 hashes[0] |= (1 << h); 693 else 694 hashes[1] |= (1 << (h -32)); 695 mcnt++; 696 ETHER_NEXT_MULTI(step, enm); 697 } 698 699 ifp->if_flags &= ~IFF_ALLMULTI; 700 701 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 702 703 if (mcnt){ 704 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 705 } else { 706 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 707 } 708 url_csr_write_4(sc, URL_MAR0, hashes[0]); 709 url_csr_write_4(sc, URL_MAR4, hashes[1]); 710 } 711 712 Static int 713 url_openpipes(struct url_softc *sc) 714 { 715 usbd_status err; 716 int error = 0; 717 718 if (sc->sc_dying) 719 return EIO; 720 721 sc->sc_refcnt++; 722 723 /* Open RX pipe */ 724 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 725 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 726 if (err) { 727 printf("%s: open rx pipe failed: %s\n", 728 device_xname(sc->sc_dev), usbd_errstr(err)); 729 error = EIO; 730 goto done; 731 } 732 733 /* Open TX pipe */ 734 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 735 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 736 if (err) { 737 printf("%s: open tx pipe failed: %s\n", 738 device_xname(sc->sc_dev), usbd_errstr(err)); 739 error = EIO; 740 goto done; 741 } 742 743 #if 0 744 /* XXX: interrupt endpoint is not yet supported */ 745 /* Open Interrupt pipe */ 746 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 747 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 748 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 749 url_intr, USBD_DEFAULT_INTERVAL); 750 if (err) { 751 printf("%s: open intr pipe failed: %s\n", 752 device_xname(sc->sc_dev), usbd_errstr(err)); 753 error = EIO; 754 goto done; 755 } 756 #endif 757 758 done: 759 if (--sc->sc_refcnt < 0) 760 usb_detach_wakeupold(sc->sc_dev); 761 762 return error; 763 } 764 765 Static int 766 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 767 { 768 struct mbuf *m_new = NULL; 769 770 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 771 772 if (m == NULL) { 773 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 774 if (m_new == NULL) { 775 printf("%s: no memory for rx list " 776 "-- packet dropped!\n", device_xname(sc->sc_dev)); 777 return ENOBUFS; 778 } 779 MCLGET(m_new, M_DONTWAIT); 780 if (!(m_new->m_flags & M_EXT)) { 781 printf("%s: no memory for rx list " 782 "-- packet dropped!\n", device_xname(sc->sc_dev)); 783 m_freem(m_new); 784 return ENOBUFS; 785 } 786 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 787 } else { 788 m_new = m; 789 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 790 m_new->m_data = m_new->m_ext.ext_buf; 791 } 792 793 m_adj(m_new, ETHER_ALIGN); 794 c->url_mbuf = m_new; 795 796 return 0; 797 } 798 799 800 Static int 801 url_rx_list_init(struct url_softc *sc) 802 { 803 struct url_cdata *cd; 804 struct url_chain *c; 805 int i; 806 807 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 808 809 cd = &sc->sc_cdata; 810 for (i = 0; i < URL_RX_LIST_CNT; i++) { 811 c = &cd->url_rx_chain[i]; 812 c->url_sc = sc; 813 c->url_idx = i; 814 if (url_newbuf(sc, c, NULL) == ENOBUFS) 815 return ENOBUFS; 816 if (c->url_xfer == NULL) { 817 int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, 818 0, 0, &c->url_xfer); 819 if (error) 820 return error; 821 c->url_buf = usbd_get_buffer(c->url_xfer); 822 } 823 } 824 825 return 0; 826 } 827 828 Static int 829 url_tx_list_init(struct url_softc *sc) 830 { 831 struct url_cdata *cd; 832 struct url_chain *c; 833 int i; 834 835 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 836 837 cd = &sc->sc_cdata; 838 for (i = 0; i < URL_TX_LIST_CNT; i++) { 839 c = &cd->url_tx_chain[i]; 840 c->url_sc = sc; 841 c->url_idx = i; 842 c->url_mbuf = NULL; 843 if (c->url_xfer == NULL) { 844 int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, 845 USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); 846 if (error) 847 return error; 848 c->url_buf = usbd_get_buffer(c->url_xfer); 849 } 850 } 851 852 return 0; 853 } 854 855 Static void 856 url_start(struct ifnet *ifp) 857 { 858 struct url_softc *sc = ifp->if_softc; 859 struct mbuf *m_head = NULL; 860 861 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 862 __func__, sc->sc_link)); 863 864 if (sc->sc_dying) 865 return; 866 867 if (!sc->sc_link) 868 return; 869 870 if (ifp->if_flags & IFF_OACTIVE) 871 return; 872 873 IFQ_POLL(&ifp->if_snd, m_head); 874 if (m_head == NULL) 875 return; 876 877 if (url_send(sc, m_head, 0)) { 878 ifp->if_flags |= IFF_OACTIVE; 879 return; 880 } 881 882 IFQ_DEQUEUE(&ifp->if_snd, m_head); 883 884 bpf_mtap(ifp, m_head, BPF_D_OUT); 885 886 ifp->if_flags |= IFF_OACTIVE; 887 888 /* Set a timeout in case the chip goes out to lunch. */ 889 ifp->if_timer = 5; 890 } 891 892 Static int 893 url_send(struct url_softc *sc, struct mbuf *m, int idx) 894 { 895 int total_len; 896 struct url_chain *c; 897 usbd_status err; 898 899 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 900 901 c = &sc->sc_cdata.url_tx_chain[idx]; 902 903 /* Copy the mbuf data into a contiguous buffer */ 904 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 905 c->url_mbuf = m; 906 total_len = m->m_pkthdr.len; 907 908 if (total_len < URL_MIN_FRAME_LEN) { 909 memset(c->url_buf + total_len, 0, 910 URL_MIN_FRAME_LEN - total_len); 911 total_len = URL_MIN_FRAME_LEN; 912 } 913 usbd_setup_xfer(c->url_xfer,c, c->url_buf, total_len, 914 USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); 915 916 /* Transmit */ 917 sc->sc_refcnt++; 918 err = usbd_transfer(c->url_xfer); 919 if (--sc->sc_refcnt < 0) 920 usb_detach_wakeupold(sc->sc_dev); 921 if (err != USBD_IN_PROGRESS) { 922 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 923 usbd_errstr(err)); 924 /* Stop the interface */ 925 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 926 USB_TASKQ_DRIVER); 927 return EIO; 928 } 929 930 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 931 __func__, total_len)); 932 933 sc->sc_cdata.url_tx_cnt++; 934 935 return 0; 936 } 937 938 Static void 939 url_txeof(struct usbd_xfer *xfer, void *priv, 940 usbd_status status) 941 { 942 struct url_chain *c = priv; 943 struct url_softc *sc = c->url_sc; 944 struct ifnet *ifp = GET_IFP(sc); 945 int s; 946 947 if (sc->sc_dying) 948 return; 949 950 s = splnet(); 951 952 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 953 954 ifp->if_timer = 0; 955 ifp->if_flags &= ~IFF_OACTIVE; 956 957 if (status != USBD_NORMAL_COMPLETION) { 958 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 959 splx(s); 960 return; 961 } 962 ifp->if_oerrors++; 963 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 964 usbd_errstr(status)); 965 if (status == USBD_STALLED) { 966 sc->sc_refcnt++; 967 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 968 if (--sc->sc_refcnt < 0) 969 usb_detach_wakeupold(sc->sc_dev); 970 } 971 splx(s); 972 return; 973 } 974 975 ifp->if_opackets++; 976 977 m_freem(c->url_mbuf); 978 c->url_mbuf = NULL; 979 980 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 981 url_start(ifp); 982 983 splx(s); 984 } 985 986 Static void 987 url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 988 { 989 struct url_chain *c = priv; 990 struct url_softc *sc = c->url_sc; 991 struct ifnet *ifp = GET_IFP(sc); 992 struct mbuf *m; 993 uint32_t total_len; 994 url_rxhdr_t rxhdr; 995 int s; 996 997 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 998 999 if (sc->sc_dying) 1000 return; 1001 1002 if (status != USBD_NORMAL_COMPLETION) { 1003 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1004 return; 1005 sc->sc_rx_errs++; 1006 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1007 printf("%s: %u usb errors on rx: %s\n", 1008 device_xname(sc->sc_dev), sc->sc_rx_errs, 1009 usbd_errstr(status)); 1010 sc->sc_rx_errs = 0; 1011 } 1012 if (status == USBD_STALLED) { 1013 sc->sc_refcnt++; 1014 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1015 if (--sc->sc_refcnt < 0) 1016 usb_detach_wakeupold(sc->sc_dev); 1017 } 1018 goto done; 1019 } 1020 1021 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1022 1023 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1024 1025 if (total_len <= ETHER_CRC_LEN) { 1026 ifp->if_ierrors++; 1027 goto done; 1028 } 1029 1030 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1031 1032 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1033 device_xname(sc->sc_dev), 1034 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1035 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1036 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1037 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1038 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1039 1040 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1041 ifp->if_ierrors++; 1042 goto done; 1043 } 1044 1045 total_len -= ETHER_CRC_LEN; 1046 1047 m = c->url_mbuf; 1048 m->m_pkthdr.len = m->m_len = total_len; 1049 m_set_rcvif(m, ifp); 1050 1051 s = splnet(); 1052 1053 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1054 ifp->if_ierrors++; 1055 goto done1; 1056 } 1057 1058 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1059 __func__, m->m_len)); 1060 if_percpuq_enqueue((ifp)->if_percpuq, (m)); 1061 1062 done1: 1063 splx(s); 1064 1065 done: 1066 /* Setup new transfer */ 1067 usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, 1068 USBD_NO_TIMEOUT, url_rxeof); 1069 sc->sc_refcnt++; 1070 usbd_transfer(xfer); 1071 if (--sc->sc_refcnt < 0) 1072 usb_detach_wakeupold(sc->sc_dev); 1073 1074 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1075 } 1076 1077 #if 0 1078 Static void url_intr(void) 1079 { 1080 } 1081 #endif 1082 1083 Static int 1084 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1085 { 1086 struct url_softc *sc = ifp->if_softc; 1087 int s, error = 0; 1088 1089 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1090 1091 if (sc->sc_dying) 1092 return EIO; 1093 1094 s = splnet(); 1095 1096 error = ether_ioctl(ifp, cmd, data); 1097 if (error == ENETRESET) { 1098 if (ifp->if_flags & IFF_RUNNING) 1099 url_setmulti(sc); 1100 error = 0; 1101 } 1102 1103 splx(s); 1104 1105 return error; 1106 } 1107 1108 Static void 1109 url_watchdog(struct ifnet *ifp) 1110 { 1111 struct url_softc *sc = ifp->if_softc; 1112 struct url_chain *c; 1113 usbd_status stat; 1114 int s; 1115 1116 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1117 1118 ifp->if_oerrors++; 1119 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1120 1121 s = splusb(); 1122 c = &sc->sc_cdata.url_tx_chain[0]; 1123 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1124 url_txeof(c->url_xfer, c, stat); 1125 1126 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1127 url_start(ifp); 1128 splx(s); 1129 } 1130 1131 Static void 1132 url_stop_task(struct url_softc *sc) 1133 { 1134 url_stop(GET_IFP(sc), 1); 1135 } 1136 1137 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1138 Static void 1139 url_stop(struct ifnet *ifp, int disable) 1140 { 1141 struct url_softc *sc = ifp->if_softc; 1142 usbd_status err; 1143 int i; 1144 1145 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1146 1147 ifp->if_timer = 0; 1148 1149 url_reset(sc); 1150 1151 callout_stop(&sc->sc_stat_ch); 1152 1153 /* Stop transfers */ 1154 /* RX endpoint */ 1155 if (sc->sc_pipe_rx != NULL) { 1156 err = usbd_abort_pipe(sc->sc_pipe_rx); 1157 if (err) 1158 printf("%s: abort rx pipe failed: %s\n", 1159 device_xname(sc->sc_dev), usbd_errstr(err)); 1160 } 1161 1162 /* TX endpoint */ 1163 if (sc->sc_pipe_tx != NULL) { 1164 err = usbd_abort_pipe(sc->sc_pipe_tx); 1165 if (err) 1166 printf("%s: abort tx pipe failed: %s\n", 1167 device_xname(sc->sc_dev), usbd_errstr(err)); 1168 } 1169 1170 #if 0 1171 /* XXX: Interrupt endpoint is not yet supported!! */ 1172 /* Interrupt endpoint */ 1173 if (sc->sc_pipe_intr != NULL) { 1174 err = usbd_abort_pipe(sc->sc_pipe_intr); 1175 if (err) 1176 printf("%s: abort intr pipe failed: %s\n", 1177 device_xname(sc->sc_dev), usbd_errstr(err)); 1178 err = usbd_close_pipe(sc->sc_pipe_intr); 1179 if (err) 1180 printf("%s: close intr pipe failed: %s\n", 1181 device_xname(sc->sc_dev), usbd_errstr(err)); 1182 sc->sc_pipe_intr = NULL; 1183 } 1184 #endif 1185 1186 /* Free RX resources. */ 1187 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1188 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1189 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1190 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1191 } 1192 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1193 usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1194 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1195 } 1196 } 1197 1198 /* Free TX resources. */ 1199 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1200 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1201 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1202 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1203 } 1204 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1205 usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1206 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1207 } 1208 } 1209 1210 /* Close pipes */ 1211 /* RX endpoint */ 1212 if (sc->sc_pipe_rx != NULL) { 1213 err = usbd_close_pipe(sc->sc_pipe_rx); 1214 if (err) 1215 printf("%s: close rx pipe failed: %s\n", 1216 device_xname(sc->sc_dev), usbd_errstr(err)); 1217 sc->sc_pipe_rx = NULL; 1218 } 1219 1220 /* TX endpoint */ 1221 if (sc->sc_pipe_tx != NULL) { 1222 err = usbd_close_pipe(sc->sc_pipe_tx); 1223 if (err) 1224 printf("%s: close tx pipe failed: %s\n", 1225 device_xname(sc->sc_dev), usbd_errstr(err)); 1226 sc->sc_pipe_tx = NULL; 1227 } 1228 1229 sc->sc_link = 0; 1230 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1231 } 1232 1233 /* Set media options */ 1234 Static int 1235 url_ifmedia_change(struct ifnet *ifp) 1236 { 1237 struct url_softc *sc = ifp->if_softc; 1238 struct mii_data *mii = GET_MII(sc); 1239 int rc; 1240 1241 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1242 1243 if (sc->sc_dying) 1244 return 0; 1245 1246 sc->sc_link = 0; 1247 if ((rc = mii_mediachg(mii)) == ENXIO) 1248 return 0; 1249 return rc; 1250 } 1251 1252 /* Report current media status. */ 1253 Static void 1254 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1255 { 1256 struct url_softc *sc = ifp->if_softc; 1257 1258 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1259 1260 if (sc->sc_dying) 1261 return; 1262 1263 ether_mediastatus(ifp, ifmr); 1264 } 1265 1266 Static void 1267 url_tick(void *xsc) 1268 { 1269 struct url_softc *sc = xsc; 1270 1271 if (sc == NULL) 1272 return; 1273 1274 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1275 __func__)); 1276 1277 if (sc->sc_dying) 1278 return; 1279 1280 /* Perform periodic stuff in process context */ 1281 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1282 } 1283 1284 Static void 1285 url_tick_task(void *xsc) 1286 { 1287 struct url_softc *sc = xsc; 1288 struct ifnet *ifp; 1289 struct mii_data *mii; 1290 int s; 1291 1292 if (sc == NULL) 1293 return; 1294 1295 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1296 __func__)); 1297 1298 if (sc->sc_dying) 1299 return; 1300 1301 ifp = GET_IFP(sc); 1302 mii = GET_MII(sc); 1303 1304 if (mii == NULL) 1305 return; 1306 1307 s = splnet(); 1308 1309 mii_tick(mii); 1310 if (!sc->sc_link) { 1311 mii_pollstat(mii); 1312 if (mii->mii_media_status & IFM_ACTIVE && 1313 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1314 DPRINTF(("%s: %s: got link\n", 1315 device_xname(sc->sc_dev), __func__)); 1316 sc->sc_link++; 1317 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1318 url_start(ifp); 1319 } 1320 } 1321 1322 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1323 1324 splx(s); 1325 } 1326 1327 /* Get exclusive access to the MII registers */ 1328 Static void 1329 url_lock_mii(struct url_softc *sc) 1330 { 1331 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1332 __func__)); 1333 1334 sc->sc_refcnt++; 1335 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1336 } 1337 1338 Static void 1339 url_unlock_mii(struct url_softc *sc) 1340 { 1341 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1342 __func__)); 1343 1344 rw_exit(&sc->sc_mii_rwlock); 1345 if (--sc->sc_refcnt < 0) 1346 usb_detach_wakeupold(sc->sc_dev); 1347 } 1348 1349 Static int 1350 url_int_miibus_readreg(device_t dev, int phy, int reg) 1351 { 1352 struct url_softc *sc; 1353 uint16_t val; 1354 1355 if (dev == NULL) 1356 return 0; 1357 1358 sc = device_private(dev); 1359 1360 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1361 device_xname(sc->sc_dev), __func__, phy, reg)); 1362 1363 if (sc->sc_dying) { 1364 #ifdef DIAGNOSTIC 1365 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1366 __func__); 1367 #endif 1368 return 0; 1369 } 1370 1371 /* XXX: one PHY only for the RTL8150 internal PHY */ 1372 if (phy != 0) { 1373 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1374 device_xname(sc->sc_dev), __func__, phy)); 1375 return 0; 1376 } 1377 1378 url_lock_mii(sc); 1379 1380 switch (reg) { 1381 case MII_BMCR: /* Control Register */ 1382 reg = URL_BMCR; 1383 break; 1384 case MII_BMSR: /* Status Register */ 1385 reg = URL_BMSR; 1386 break; 1387 case MII_PHYIDR1: 1388 case MII_PHYIDR2: 1389 val = 0; 1390 goto R_DONE; 1391 break; 1392 case MII_ANAR: /* Autonegotiation advertisement */ 1393 reg = URL_ANAR; 1394 break; 1395 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1396 reg = URL_ANLP; 1397 break; 1398 case URLPHY_MSR: /* Media Status Register */ 1399 reg = URL_MSR; 1400 break; 1401 default: 1402 printf("%s: %s: bad register %04x\n", 1403 device_xname(sc->sc_dev), __func__, reg); 1404 val = 0; 1405 goto R_DONE; 1406 break; 1407 } 1408 1409 if (reg == URL_MSR) 1410 val = url_csr_read_1(sc, reg); 1411 else 1412 val = url_csr_read_2(sc, reg); 1413 1414 R_DONE: 1415 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1416 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1417 1418 url_unlock_mii(sc); 1419 return val; 1420 } 1421 1422 Static void 1423 url_int_miibus_writereg(device_t dev, int phy, int reg, int data) 1424 { 1425 struct url_softc *sc; 1426 1427 if (dev == NULL) 1428 return; 1429 1430 sc = device_private(dev); 1431 1432 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1433 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1434 1435 if (sc->sc_dying) { 1436 #ifdef DIAGNOSTIC 1437 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1438 __func__); 1439 #endif 1440 return; 1441 } 1442 1443 /* XXX: one PHY only for the RTL8150 internal PHY */ 1444 if (phy != 0) { 1445 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1446 device_xname(sc->sc_dev), __func__, phy)); 1447 return; 1448 } 1449 1450 url_lock_mii(sc); 1451 1452 switch (reg) { 1453 case MII_BMCR: /* Control Register */ 1454 reg = URL_BMCR; 1455 break; 1456 case MII_BMSR: /* Status Register */ 1457 reg = URL_BMSR; 1458 break; 1459 case MII_PHYIDR1: 1460 case MII_PHYIDR2: 1461 goto W_DONE; 1462 break; 1463 case MII_ANAR: /* Autonegotiation advertisement */ 1464 reg = URL_ANAR; 1465 break; 1466 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1467 reg = URL_ANLP; 1468 break; 1469 case URLPHY_MSR: /* Media Status Register */ 1470 reg = URL_MSR; 1471 break; 1472 default: 1473 printf("%s: %s: bad register %04x\n", 1474 device_xname(sc->sc_dev), __func__, reg); 1475 goto W_DONE; 1476 break; 1477 } 1478 1479 if (reg == URL_MSR) 1480 url_csr_write_1(sc, reg, data); 1481 else 1482 url_csr_write_2(sc, reg, data); 1483 W_DONE: 1484 1485 url_unlock_mii(sc); 1486 return; 1487 } 1488 1489 Static void 1490 url_miibus_statchg(struct ifnet *ifp) 1491 { 1492 #ifdef URL_DEBUG 1493 if (ifp == NULL) 1494 return; 1495 1496 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1497 #endif 1498 /* Nothing to do */ 1499 } 1500 1501 #if 0 1502 /* 1503 * external PHYs support, but not test. 1504 */ 1505 Static int 1506 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1507 { 1508 struct url_softc *sc = device_private(dev); 1509 uint16_t val; 1510 1511 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1512 device_xname(sc->sc_dev), __func__, phy, reg)); 1513 1514 if (sc->sc_dying) { 1515 #ifdef DIAGNOSTIC 1516 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1517 __func__); 1518 #endif 1519 return 0; 1520 } 1521 1522 url_lock_mii(sc); 1523 1524 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1525 /* 1526 * RTL8150L will initiate a MII management data transaction 1527 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1528 * this bit is auto cleared by TRL8150L. 1529 */ 1530 url_csr_write_1(sc, URL_PHYCNT, 1531 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1532 for (i = 0; i < URL_TIMEOUT; i++) { 1533 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1534 break; 1535 } 1536 if (i == URL_TIMEOUT) { 1537 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1538 } 1539 1540 val = url_csr_read_2(sc, URL_PHYDAT); 1541 1542 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1543 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1544 1545 url_unlock_mii(sc); 1546 return val; 1547 } 1548 1549 Static void 1550 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1551 { 1552 struct url_softc *sc = device_private(dev); 1553 1554 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1555 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1556 1557 if (sc->sc_dying) { 1558 #ifdef DIAGNOSTIC 1559 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1560 __func__); 1561 #endif 1562 return; 1563 } 1564 1565 url_lock_mii(sc); 1566 1567 url_csr_write_2(sc, URL_PHYDAT, data); 1568 url_csr_write_1(sc, URL_PHYADD, phy); 1569 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1570 1571 for (i=0; i < URL_TIMEOUT; i++) { 1572 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1573 break; 1574 } 1575 1576 if (i == URL_TIMEOUT) { 1577 printf("%s: MII write timed out\n", 1578 device_xname(sc->sc_dev)); 1579 } 1580 1581 url_unlock_mii(sc); 1582 return; 1583 } 1584 #endif 1585
Indexes created Tue Sep 30 17:09:57 GMT 2025