if_url.c revision 1.61
1 /* $NetBSD: if_url.c,v 1.61 2019/01/22 03:42:28 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 1.61 2019/01/22 03:42:28 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 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 NULL); 361 usb_rem_task_wait(sc->sc_udev, &sc->sc_stop_task, USB_TASKQ_DRIVER, 362 NULL); 363 364 s = splusb(); 365 366 if (--sc->sc_refcnt >= 0) { 367 /* Wait for processes to go away */ 368 usb_detach_waitold(sc->sc_dev); 369 } 370 371 if (ifp->if_flags & IFF_RUNNING) 372 url_stop(GET_IFP(sc), 1); 373 374 rnd_detach_source(&sc->rnd_source); 375 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 376 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 377 ether_ifdetach(ifp); 378 if_detach(ifp); 379 380 #ifdef DIAGNOSTIC 381 if (sc->sc_pipe_tx != NULL) 382 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 383 if (sc->sc_pipe_rx != NULL) 384 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 385 if (sc->sc_pipe_intr != NULL) 386 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 387 #endif 388 389 sc->sc_attached = 0; 390 391 splx(s); 392 393 rw_destroy(&sc->sc_mii_rwlock); 394 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 395 396 return 0; 397 } 398 399 /* read/write memory */ 400 Static int 401 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 402 { 403 usb_device_request_t req; 404 usbd_status err; 405 406 if (sc == NULL) 407 return 0; 408 409 DPRINTFN(0x200, 410 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 411 412 if (sc->sc_dying) 413 return 0; 414 415 if (cmd == URL_CMD_READMEM) 416 req.bmRequestType = UT_READ_VENDOR_DEVICE; 417 else 418 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 419 req.bRequest = URL_REQ_MEM; 420 USETW(req.wValue, offset); 421 USETW(req.wIndex, 0x0000); 422 USETW(req.wLength, len); 423 424 sc->sc_refcnt++; 425 err = usbd_do_request(sc->sc_udev, &req, buf); 426 if (--sc->sc_refcnt < 0) 427 usb_detach_wakeupold(sc->sc_dev); 428 if (err) { 429 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 430 device_xname(sc->sc_dev), 431 cmd == URL_CMD_READMEM ? "read" : "write", 432 offset, err)); 433 } 434 435 return err; 436 } 437 438 /* read 1byte from register */ 439 Static int 440 url_csr_read_1(struct url_softc *sc, int reg) 441 { 442 uint8_t val = 0; 443 444 DPRINTFN(0x100, 445 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 446 447 if (sc->sc_dying) 448 return 0; 449 450 return url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val; 451 } 452 453 /* read 2bytes from register */ 454 Static int 455 url_csr_read_2(struct url_softc *sc, int reg) 456 { 457 uWord val; 458 459 DPRINTFN(0x100, 460 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 461 462 if (sc->sc_dying) 463 return 0; 464 465 USETW(val, 0); 466 return url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val); 467 } 468 469 /* write 1byte to register */ 470 Static int 471 url_csr_write_1(struct url_softc *sc, int reg, int aval) 472 { 473 uint8_t val = aval; 474 475 DPRINTFN(0x100, 476 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 477 478 if (sc->sc_dying) 479 return 0; 480 481 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0; 482 } 483 484 /* write 2bytes to register */ 485 Static int 486 url_csr_write_2(struct url_softc *sc, int reg, int aval) 487 { 488 uWord val; 489 490 DPRINTFN(0x100, 491 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 492 493 USETW(val, aval); 494 495 if (sc->sc_dying) 496 return 0; 497 498 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0; 499 } 500 501 /* write 4bytes to register */ 502 Static int 503 url_csr_write_4(struct url_softc *sc, int reg, int aval) 504 { 505 uDWord val; 506 507 DPRINTFN(0x100, 508 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 509 510 USETDW(val, aval); 511 512 if (sc->sc_dying) 513 return 0; 514 515 return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0; 516 } 517 518 Static int 519 url_init(struct ifnet *ifp) 520 { 521 struct url_softc *sc = ifp->if_softc; 522 struct mii_data *mii = GET_MII(sc); 523 const u_char *eaddr; 524 int i, rc, s; 525 526 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 527 528 if (sc->sc_dying) 529 return EIO; 530 531 s = splnet(); 532 533 /* Cancel pending I/O and free all TX/RX buffers */ 534 url_stop(ifp, 1); 535 536 eaddr = CLLADDR(ifp->if_sadl); 537 for (i = 0; i < ETHER_ADDR_LEN; i++) 538 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 539 540 /* Init transmission control register */ 541 URL_CLRBIT(sc, URL_TCR, 542 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 543 URL_TCR_IFG1 | URL_TCR_IFG0 | 544 URL_TCR_NOCRC); 545 546 /* Init receive control register */ 547 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 548 if (ifp->if_flags & IFF_BROADCAST) 549 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 550 else 551 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 552 553 /* If we want promiscuous mode, accept all physical frames. */ 554 if (ifp->if_flags & IFF_PROMISC) 555 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 556 else 557 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 558 559 560 /* Load the multicast filter */ 561 url_setmulti(sc); 562 563 /* Enable RX and TX */ 564 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 565 566 if ((rc = mii_mediachg(mii)) == ENXIO) 567 rc = 0; 568 else if (rc != 0) 569 goto out; 570 571 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 572 if (url_openpipes(sc)) { 573 splx(s); 574 return EIO; 575 } 576 } 577 /* Initialize transmit ring */ 578 if (url_tx_list_init(sc)) { 579 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 580 splx(s); 581 return EIO; 582 } 583 584 /* Initialize receive ring */ 585 if (url_rx_list_init(sc)) { 586 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 587 splx(s); 588 return EIO; 589 } 590 /* Start up the receive pipe. */ 591 for (i = 0; i < URL_RX_LIST_CNT; i++) { 592 struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; 593 594 usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, 595 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); 596 (void)usbd_transfer(c->url_xfer); 597 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 598 __func__)); 599 } 600 601 ifp->if_flags |= IFF_RUNNING; 602 ifp->if_flags &= ~IFF_OACTIVE; 603 604 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 605 606 out: 607 splx(s); 608 return rc; 609 } 610 611 Static void 612 url_reset(struct url_softc *sc) 613 { 614 int i; 615 616 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 617 618 if (sc->sc_dying) 619 return; 620 621 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 622 623 for (i = 0; i < URL_TX_TIMEOUT; i++) { 624 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 625 break; 626 delay(10); /* XXX */ 627 } 628 629 delay(10000); /* XXX */ 630 } 631 632 int 633 url_activate(device_t self, enum devact act) 634 { 635 struct url_softc *sc = device_private(self); 636 637 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 638 __func__, act)); 639 640 switch (act) { 641 case DVACT_DEACTIVATE: 642 if_deactivate(&sc->sc_ec.ec_if); 643 sc->sc_dying = 1; 644 return 0; 645 default: 646 return EOPNOTSUPP; 647 } 648 } 649 650 #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) 651 652 653 Static void 654 url_setmulti(struct url_softc *sc) 655 { 656 struct ifnet *ifp; 657 struct ether_multi *enm; 658 struct ether_multistep step; 659 uint32_t hashes[2] = { 0, 0 }; 660 int h = 0; 661 int mcnt = 0; 662 663 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 664 665 if (sc->sc_dying) 666 return; 667 668 ifp = GET_IFP(sc); 669 670 if (ifp->if_flags & IFF_PROMISC) { 671 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 672 return; 673 } else if (ifp->if_flags & IFF_ALLMULTI) { 674 allmulti: 675 ifp->if_flags |= IFF_ALLMULTI; 676 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); 677 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); 678 return; 679 } 680 681 /* first, zot all the existing hash bits */ 682 url_csr_write_4(sc, URL_MAR0, 0); 683 url_csr_write_4(sc, URL_MAR4, 0); 684 685 /* now program new ones */ 686 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 687 while (enm != NULL) { 688 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 689 ETHER_ADDR_LEN) != 0) 690 goto allmulti; 691 692 h = url_calchash(enm->enm_addrlo); 693 if (h < 32) 694 hashes[0] |= (1 << h); 695 else 696 hashes[1] |= (1 << (h -32)); 697 mcnt++; 698 ETHER_NEXT_MULTI(step, enm); 699 } 700 701 ifp->if_flags &= ~IFF_ALLMULTI; 702 703 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 704 705 if (mcnt){ 706 URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); 707 } else { 708 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); 709 } 710 url_csr_write_4(sc, URL_MAR0, hashes[0]); 711 url_csr_write_4(sc, URL_MAR4, hashes[1]); 712 } 713 714 Static int 715 url_openpipes(struct url_softc *sc) 716 { 717 usbd_status err; 718 int error = 0; 719 720 if (sc->sc_dying) 721 return EIO; 722 723 sc->sc_refcnt++; 724 725 /* Open RX pipe */ 726 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 727 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 728 if (err) { 729 printf("%s: open rx pipe failed: %s\n", 730 device_xname(sc->sc_dev), usbd_errstr(err)); 731 error = EIO; 732 goto done; 733 } 734 735 /* Open TX pipe */ 736 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 737 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 738 if (err) { 739 printf("%s: open tx pipe failed: %s\n", 740 device_xname(sc->sc_dev), usbd_errstr(err)); 741 error = EIO; 742 goto done; 743 } 744 745 #if 0 746 /* XXX: interrupt endpoint is not yet supported */ 747 /* Open Interrupt pipe */ 748 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 749 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 750 &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, 751 url_intr, USBD_DEFAULT_INTERVAL); 752 if (err) { 753 printf("%s: open intr pipe failed: %s\n", 754 device_xname(sc->sc_dev), usbd_errstr(err)); 755 error = EIO; 756 goto done; 757 } 758 #endif 759 760 done: 761 if (--sc->sc_refcnt < 0) 762 usb_detach_wakeupold(sc->sc_dev); 763 764 return error; 765 } 766 767 Static int 768 url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) 769 { 770 struct mbuf *m_new = NULL; 771 772 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 773 774 if (m == NULL) { 775 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 776 if (m_new == NULL) { 777 printf("%s: no memory for rx list " 778 "-- packet dropped!\n", device_xname(sc->sc_dev)); 779 return ENOBUFS; 780 } 781 MCLGET(m_new, M_DONTWAIT); 782 if (!(m_new->m_flags & M_EXT)) { 783 printf("%s: no memory for rx list " 784 "-- packet dropped!\n", device_xname(sc->sc_dev)); 785 m_freem(m_new); 786 return ENOBUFS; 787 } 788 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 789 } else { 790 m_new = m; 791 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 792 m_new->m_data = m_new->m_ext.ext_buf; 793 } 794 795 m_adj(m_new, ETHER_ALIGN); 796 c->url_mbuf = m_new; 797 798 return 0; 799 } 800 801 802 Static int 803 url_rx_list_init(struct url_softc *sc) 804 { 805 struct url_cdata *cd; 806 struct url_chain *c; 807 int i; 808 809 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 810 811 cd = &sc->sc_cdata; 812 for (i = 0; i < URL_RX_LIST_CNT; i++) { 813 c = &cd->url_rx_chain[i]; 814 c->url_sc = sc; 815 c->url_idx = i; 816 if (url_newbuf(sc, c, NULL) == ENOBUFS) 817 return ENOBUFS; 818 if (c->url_xfer == NULL) { 819 int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, 820 0, 0, &c->url_xfer); 821 if (error) 822 return error; 823 c->url_buf = usbd_get_buffer(c->url_xfer); 824 } 825 } 826 827 return 0; 828 } 829 830 Static int 831 url_tx_list_init(struct url_softc *sc) 832 { 833 struct url_cdata *cd; 834 struct url_chain *c; 835 int i; 836 837 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 838 839 cd = &sc->sc_cdata; 840 for (i = 0; i < URL_TX_LIST_CNT; i++) { 841 c = &cd->url_tx_chain[i]; 842 c->url_sc = sc; 843 c->url_idx = i; 844 c->url_mbuf = NULL; 845 if (c->url_xfer == NULL) { 846 int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, 847 USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); 848 if (error) 849 return error; 850 c->url_buf = usbd_get_buffer(c->url_xfer); 851 } 852 } 853 854 return 0; 855 } 856 857 Static void 858 url_start(struct ifnet *ifp) 859 { 860 struct url_softc *sc = ifp->if_softc; 861 struct mbuf *m_head = NULL; 862 863 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 864 __func__, sc->sc_link)); 865 866 if (sc->sc_dying) 867 return; 868 869 if (!sc->sc_link) 870 return; 871 872 if (ifp->if_flags & IFF_OACTIVE) 873 return; 874 875 IFQ_POLL(&ifp->if_snd, m_head); 876 if (m_head == NULL) 877 return; 878 879 if (url_send(sc, m_head, 0)) { 880 ifp->if_flags |= IFF_OACTIVE; 881 return; 882 } 883 884 IFQ_DEQUEUE(&ifp->if_snd, m_head); 885 886 bpf_mtap(ifp, m_head, BPF_D_OUT); 887 888 ifp->if_flags |= IFF_OACTIVE; 889 890 /* Set a timeout in case the chip goes out to lunch. */ 891 ifp->if_timer = 5; 892 } 893 894 Static int 895 url_send(struct url_softc *sc, struct mbuf *m, int idx) 896 { 897 int total_len; 898 struct url_chain *c; 899 usbd_status err; 900 901 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 902 903 c = &sc->sc_cdata.url_tx_chain[idx]; 904 905 /* Copy the mbuf data into a contiguous buffer */ 906 m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); 907 c->url_mbuf = m; 908 total_len = m->m_pkthdr.len; 909 910 if (total_len < URL_MIN_FRAME_LEN) { 911 memset(c->url_buf + total_len, 0, 912 URL_MIN_FRAME_LEN - total_len); 913 total_len = URL_MIN_FRAME_LEN; 914 } 915 usbd_setup_xfer(c->url_xfer,c, c->url_buf, total_len, 916 USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); 917 918 /* Transmit */ 919 sc->sc_refcnt++; 920 err = usbd_transfer(c->url_xfer); 921 if (--sc->sc_refcnt < 0) 922 usb_detach_wakeupold(sc->sc_dev); 923 if (err != USBD_IN_PROGRESS) { 924 printf("%s: url_send error=%s\n", device_xname(sc->sc_dev), 925 usbd_errstr(err)); 926 /* Stop the interface */ 927 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 928 USB_TASKQ_DRIVER); 929 return EIO; 930 } 931 932 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 933 __func__, total_len)); 934 935 sc->sc_cdata.url_tx_cnt++; 936 937 return 0; 938 } 939 940 Static void 941 url_txeof(struct usbd_xfer *xfer, void *priv, 942 usbd_status status) 943 { 944 struct url_chain *c = priv; 945 struct url_softc *sc = c->url_sc; 946 struct ifnet *ifp = GET_IFP(sc); 947 int s; 948 949 if (sc->sc_dying) 950 return; 951 952 s = splnet(); 953 954 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 955 956 ifp->if_timer = 0; 957 ifp->if_flags &= ~IFF_OACTIVE; 958 959 if (status != USBD_NORMAL_COMPLETION) { 960 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 961 splx(s); 962 return; 963 } 964 ifp->if_oerrors++; 965 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 966 usbd_errstr(status)); 967 if (status == USBD_STALLED) { 968 sc->sc_refcnt++; 969 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 970 if (--sc->sc_refcnt < 0) 971 usb_detach_wakeupold(sc->sc_dev); 972 } 973 splx(s); 974 return; 975 } 976 977 ifp->if_opackets++; 978 979 m_freem(c->url_mbuf); 980 c->url_mbuf = NULL; 981 982 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 983 url_start(ifp); 984 985 splx(s); 986 } 987 988 Static void 989 url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 990 { 991 struct url_chain *c = priv; 992 struct url_softc *sc = c->url_sc; 993 struct ifnet *ifp = GET_IFP(sc); 994 struct mbuf *m; 995 uint32_t total_len; 996 url_rxhdr_t rxhdr; 997 int s; 998 999 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1000 1001 if (sc->sc_dying) 1002 return; 1003 1004 if (status != USBD_NORMAL_COMPLETION) { 1005 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1006 return; 1007 sc->sc_rx_errs++; 1008 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1009 printf("%s: %u usb errors on rx: %s\n", 1010 device_xname(sc->sc_dev), sc->sc_rx_errs, 1011 usbd_errstr(status)); 1012 sc->sc_rx_errs = 0; 1013 } 1014 if (status == USBD_STALLED) { 1015 sc->sc_refcnt++; 1016 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1017 if (--sc->sc_refcnt < 0) 1018 usb_detach_wakeupold(sc->sc_dev); 1019 } 1020 goto done; 1021 } 1022 1023 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1024 1025 memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); 1026 1027 if (total_len <= ETHER_CRC_LEN) { 1028 ifp->if_ierrors++; 1029 goto done; 1030 } 1031 1032 memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); 1033 1034 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 1035 device_xname(sc->sc_dev), 1036 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 1037 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 1038 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 1039 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 1040 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 1041 1042 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 1043 ifp->if_ierrors++; 1044 goto done; 1045 } 1046 1047 total_len -= ETHER_CRC_LEN; 1048 1049 m = c->url_mbuf; 1050 m->m_pkthdr.len = m->m_len = total_len; 1051 m_set_rcvif(m, ifp); 1052 1053 s = splnet(); 1054 1055 if (url_newbuf(sc, c, NULL) == ENOBUFS) { 1056 ifp->if_ierrors++; 1057 goto done1; 1058 } 1059 1060 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1061 __func__, m->m_len)); 1062 if_percpuq_enqueue((ifp)->if_percpuq, (m)); 1063 1064 done1: 1065 splx(s); 1066 1067 done: 1068 /* Setup new transfer */ 1069 usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, 1070 USBD_NO_TIMEOUT, url_rxeof); 1071 sc->sc_refcnt++; 1072 usbd_transfer(xfer); 1073 if (--sc->sc_refcnt < 0) 1074 usb_detach_wakeupold(sc->sc_dev); 1075 1076 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1077 } 1078 1079 #if 0 1080 Static void url_intr(void) 1081 { 1082 } 1083 #endif 1084 1085 Static int 1086 url_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1087 { 1088 struct url_softc *sc = ifp->if_softc; 1089 int s, error = 0; 1090 1091 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1092 1093 if (sc->sc_dying) 1094 return EIO; 1095 1096 s = splnet(); 1097 1098 error = ether_ioctl(ifp, cmd, data); 1099 if (error == ENETRESET) { 1100 if (ifp->if_flags & IFF_RUNNING) 1101 url_setmulti(sc); 1102 error = 0; 1103 } 1104 1105 splx(s); 1106 1107 return error; 1108 } 1109 1110 Static void 1111 url_watchdog(struct ifnet *ifp) 1112 { 1113 struct url_softc *sc = ifp->if_softc; 1114 struct url_chain *c; 1115 usbd_status stat; 1116 int s; 1117 1118 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1119 1120 ifp->if_oerrors++; 1121 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1122 1123 s = splusb(); 1124 c = &sc->sc_cdata.url_tx_chain[0]; 1125 usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); 1126 url_txeof(c->url_xfer, c, stat); 1127 1128 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1129 url_start(ifp); 1130 splx(s); 1131 } 1132 1133 Static void 1134 url_stop_task(struct url_softc *sc) 1135 { 1136 url_stop(GET_IFP(sc), 1); 1137 } 1138 1139 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1140 Static void 1141 url_stop(struct ifnet *ifp, int disable) 1142 { 1143 struct url_softc *sc = ifp->if_softc; 1144 usbd_status err; 1145 int i; 1146 1147 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1148 1149 ifp->if_timer = 0; 1150 1151 url_reset(sc); 1152 1153 callout_stop(&sc->sc_stat_ch); 1154 1155 /* Stop transfers */ 1156 /* RX endpoint */ 1157 if (sc->sc_pipe_rx != NULL) { 1158 err = usbd_abort_pipe(sc->sc_pipe_rx); 1159 if (err) 1160 printf("%s: abort rx pipe failed: %s\n", 1161 device_xname(sc->sc_dev), usbd_errstr(err)); 1162 } 1163 1164 /* TX endpoint */ 1165 if (sc->sc_pipe_tx != NULL) { 1166 err = usbd_abort_pipe(sc->sc_pipe_tx); 1167 if (err) 1168 printf("%s: abort tx pipe failed: %s\n", 1169 device_xname(sc->sc_dev), usbd_errstr(err)); 1170 } 1171 1172 #if 0 1173 /* XXX: Interrupt endpoint is not yet supported!! */ 1174 /* Interrupt endpoint */ 1175 if (sc->sc_pipe_intr != NULL) { 1176 err = usbd_abort_pipe(sc->sc_pipe_intr); 1177 if (err) 1178 printf("%s: abort intr pipe failed: %s\n", 1179 device_xname(sc->sc_dev), usbd_errstr(err)); 1180 err = usbd_close_pipe(sc->sc_pipe_intr); 1181 if (err) 1182 printf("%s: close intr pipe failed: %s\n", 1183 device_xname(sc->sc_dev), usbd_errstr(err)); 1184 sc->sc_pipe_intr = NULL; 1185 } 1186 #endif 1187 1188 /* Free RX resources. */ 1189 for (i = 0; i < URL_RX_LIST_CNT; i++) { 1190 if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { 1191 m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); 1192 sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; 1193 } 1194 if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { 1195 usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); 1196 sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; 1197 } 1198 } 1199 1200 /* Free TX resources. */ 1201 for (i = 0; i < URL_TX_LIST_CNT; i++) { 1202 if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { 1203 m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); 1204 sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; 1205 } 1206 if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { 1207 usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); 1208 sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; 1209 } 1210 } 1211 1212 /* Close pipes */ 1213 /* RX endpoint */ 1214 if (sc->sc_pipe_rx != NULL) { 1215 err = usbd_close_pipe(sc->sc_pipe_rx); 1216 if (err) 1217 printf("%s: close rx pipe failed: %s\n", 1218 device_xname(sc->sc_dev), usbd_errstr(err)); 1219 sc->sc_pipe_rx = NULL; 1220 } 1221 1222 /* TX endpoint */ 1223 if (sc->sc_pipe_tx != NULL) { 1224 err = usbd_close_pipe(sc->sc_pipe_tx); 1225 if (err) 1226 printf("%s: close tx pipe failed: %s\n", 1227 device_xname(sc->sc_dev), usbd_errstr(err)); 1228 sc->sc_pipe_tx = NULL; 1229 } 1230 1231 sc->sc_link = 0; 1232 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1233 } 1234 1235 /* Set media options */ 1236 Static int 1237 url_ifmedia_change(struct ifnet *ifp) 1238 { 1239 struct url_softc *sc = ifp->if_softc; 1240 struct mii_data *mii = GET_MII(sc); 1241 int rc; 1242 1243 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1244 1245 if (sc->sc_dying) 1246 return 0; 1247 1248 sc->sc_link = 0; 1249 if ((rc = mii_mediachg(mii)) == ENXIO) 1250 return 0; 1251 return rc; 1252 } 1253 1254 /* Report current media status. */ 1255 Static void 1256 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1257 { 1258 struct url_softc *sc = ifp->if_softc; 1259 1260 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1261 1262 if (sc->sc_dying) 1263 return; 1264 1265 ether_mediastatus(ifp, ifmr); 1266 } 1267 1268 Static void 1269 url_tick(void *xsc) 1270 { 1271 struct url_softc *sc = xsc; 1272 1273 if (sc == NULL) 1274 return; 1275 1276 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1277 __func__)); 1278 1279 if (sc->sc_dying) 1280 return; 1281 1282 /* Perform periodic stuff in process context */ 1283 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1284 } 1285 1286 Static void 1287 url_tick_task(void *xsc) 1288 { 1289 struct url_softc *sc = xsc; 1290 struct ifnet *ifp; 1291 struct mii_data *mii; 1292 int s; 1293 1294 if (sc == NULL) 1295 return; 1296 1297 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1298 __func__)); 1299 1300 if (sc->sc_dying) 1301 return; 1302 1303 ifp = GET_IFP(sc); 1304 mii = GET_MII(sc); 1305 1306 if (mii == NULL) 1307 return; 1308 1309 s = splnet(); 1310 1311 mii_tick(mii); 1312 if (!sc->sc_link) { 1313 mii_pollstat(mii); 1314 if (mii->mii_media_status & IFM_ACTIVE && 1315 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1316 DPRINTF(("%s: %s: got link\n", 1317 device_xname(sc->sc_dev), __func__)); 1318 sc->sc_link++; 1319 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1320 url_start(ifp); 1321 } 1322 } 1323 1324 callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); 1325 1326 splx(s); 1327 } 1328 1329 /* Get exclusive access to the MII registers */ 1330 Static void 1331 url_lock_mii(struct url_softc *sc) 1332 { 1333 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1334 __func__)); 1335 1336 sc->sc_refcnt++; 1337 rw_enter(&sc->sc_mii_rwlock, RW_WRITER); 1338 } 1339 1340 Static void 1341 url_unlock_mii(struct url_softc *sc) 1342 { 1343 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1344 __func__)); 1345 1346 rw_exit(&sc->sc_mii_rwlock); 1347 if (--sc->sc_refcnt < 0) 1348 usb_detach_wakeupold(sc->sc_dev); 1349 } 1350 1351 Static int 1352 url_int_miibus_readreg(device_t dev, int phy, int reg, uint16_t *val) 1353 { 1354 struct url_softc *sc; 1355 uint16_t data; 1356 int rv = 0; 1357 1358 if (dev == NULL) 1359 return 0; 1360 1361 sc = device_private(dev); 1362 1363 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1364 device_xname(sc->sc_dev), __func__, phy, reg)); 1365 1366 if (sc->sc_dying) { 1367 #ifdef DIAGNOSTIC 1368 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1369 __func__); 1370 #endif 1371 return -1; 1372 } 1373 1374 /* XXX: one PHY only for the RTL8150 internal PHY */ 1375 if (phy != 0) { 1376 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1377 device_xname(sc->sc_dev), __func__, phy)); 1378 return -1; 1379 } 1380 1381 url_lock_mii(sc); 1382 1383 switch (reg) { 1384 case MII_BMCR: /* Control Register */ 1385 reg = URL_BMCR; 1386 break; 1387 case MII_BMSR: /* Status Register */ 1388 reg = URL_BMSR; 1389 break; 1390 case MII_PHYIDR1: 1391 case MII_PHYIDR2: 1392 *val = 0; 1393 goto R_DONE; 1394 break; 1395 case MII_ANAR: /* Autonegotiation advertisement */ 1396 reg = URL_ANAR; 1397 break; 1398 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1399 reg = URL_ANLP; 1400 break; 1401 case URLPHY_MSR: /* Media Status Register */ 1402 reg = URL_MSR; 1403 break; 1404 default: 1405 printf("%s: %s: bad register %04x\n", 1406 device_xname(sc->sc_dev), __func__, reg); 1407 rv = -1; 1408 goto R_DONE; 1409 break; 1410 } 1411 1412 if (reg == URL_MSR) 1413 data = url_csr_read_1(sc, reg); 1414 else 1415 data = url_csr_read_2(sc, reg); 1416 *val = data; 1417 1418 R_DONE: 1419 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04hx\n", 1420 device_xname(sc->sc_dev), __func__, phy, reg, *val)); 1421 1422 url_unlock_mii(sc); 1423 return rv; 1424 } 1425 1426 Static int 1427 url_int_miibus_writereg(device_t dev, int phy, int reg, uint16_t val) 1428 { 1429 struct url_softc *sc; 1430 int rv = 0; 1431 1432 if (dev == NULL) 1433 return -1; 1434 1435 sc = device_private(dev); 1436 1437 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x val=0x%04hx\n", 1438 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1439 1440 if (sc->sc_dying) { 1441 #ifdef DIAGNOSTIC 1442 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1443 __func__); 1444 #endif 1445 return -1; 1446 } 1447 1448 /* XXX: one PHY only for the RTL8150 internal PHY */ 1449 if (phy != 0) { 1450 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1451 device_xname(sc->sc_dev), __func__, phy)); 1452 return -1; 1453 } 1454 1455 url_lock_mii(sc); 1456 1457 switch (reg) { 1458 case MII_BMCR: /* Control Register */ 1459 reg = URL_BMCR; 1460 break; 1461 case MII_BMSR: /* Status Register */ 1462 reg = URL_BMSR; 1463 break; 1464 case MII_PHYIDR1: 1465 case MII_PHYIDR2: 1466 goto W_DONE; 1467 break; 1468 case MII_ANAR: /* Autonegotiation advertisement */ 1469 reg = URL_ANAR; 1470 break; 1471 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1472 reg = URL_ANLP; 1473 break; 1474 case URLPHY_MSR: /* Media Status Register */ 1475 reg = URL_MSR; 1476 break; 1477 default: 1478 printf("%s: %s: bad register %04x\n", 1479 device_xname(sc->sc_dev), __func__, reg); 1480 rv = -1; 1481 goto W_DONE; 1482 break; 1483 } 1484 1485 if (reg == URL_MSR) 1486 url_csr_write_1(sc, reg, val); 1487 else 1488 url_csr_write_2(sc, reg, val); 1489 W_DONE: 1490 1491 url_unlock_mii(sc); 1492 return rv; 1493 } 1494 1495 Static void 1496 url_miibus_statchg(struct ifnet *ifp) 1497 { 1498 #ifdef URL_DEBUG 1499 if (ifp == NULL) 1500 return; 1501 1502 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1503 #endif 1504 /* Nothing to do */ 1505 } 1506 1507 #if 0 1508 /* 1509 * external PHYs support, but not test. 1510 */ 1511 Static int 1512 url_ext_miibus_redreg(device_t dev, int phy, int reg) 1513 { 1514 struct url_softc *sc = device_private(dev); 1515 uint16_t val; 1516 1517 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1518 device_xname(sc->sc_dev), __func__, phy, reg)); 1519 1520 if (sc->sc_dying) { 1521 #ifdef DIAGNOSTIC 1522 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1523 __func__); 1524 #endif 1525 return 0; 1526 } 1527 1528 url_lock_mii(sc); 1529 1530 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1531 /* 1532 * RTL8150L will initiate a MII management data transaction 1533 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1534 * this bit is auto cleared by TRL8150L. 1535 */ 1536 url_csr_write_1(sc, URL_PHYCNT, 1537 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1538 for (i = 0; i < URL_TIMEOUT; i++) { 1539 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1540 break; 1541 } 1542 if (i == URL_TIMEOUT) { 1543 printf("%s: MII read timed out\n", device_xname(sc->sc_dev)); 1544 } 1545 1546 val = url_csr_read_2(sc, URL_PHYDAT); 1547 1548 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1549 device_xname(sc->sc_dev), __func__, phy, reg, val)); 1550 1551 url_unlock_mii(sc); 1552 return val; 1553 } 1554 1555 Static void 1556 url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) 1557 { 1558 struct url_softc *sc = device_private(dev); 1559 1560 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1561 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1562 1563 if (sc->sc_dying) { 1564 #ifdef DIAGNOSTIC 1565 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1566 __func__); 1567 #endif 1568 return; 1569 } 1570 1571 url_lock_mii(sc); 1572 1573 url_csr_write_2(sc, URL_PHYDAT, data); 1574 url_csr_write_1(sc, URL_PHYADD, phy); 1575 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1576 1577 for (i=0; i < URL_TIMEOUT; i++) { 1578 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1579 break; 1580 } 1581 1582 if (i == URL_TIMEOUT) { 1583 printf("%s: MII write timed out\n", 1584 device_xname(sc->sc_dev)); 1585 } 1586 1587 url_unlock_mii(sc); 1588 return; 1589 } 1590 #endif 1591
Indexes created Tue Sep 30 20:09:53 GMT 2025