if_url.c revision 1.24.10.6
1 /* $NetBSD: if_url.c,v 1.24.10.6 2007/06/25 09:26:31 itohy Exp $ */ 2 /* 3 * Copyright (c) 2001, 2002 4 * Shingo WATANABE <nabe (at) nabechan.org>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the author nor the names of any co-contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 /* 33 * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at 34 * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf 35 * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf 36 */ 37 38 /* 39 * TODO: 40 * Interrupt Endpoint support 41 * External PHYs 42 * powerhook() support? 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.24.10.6 2007/06/25 09:26:31 itohy Exp $"); 47 48 #include "opt_inet.h" 49 #include "bpfilter.h" 50 #include "rnd.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/lock.h> 55 #include <sys/mbuf.h> 56 #include <sys/kernel.h> 57 #include <sys/socket.h> 58 59 #include <sys/device.h> 60 #if NRND > 0 61 #include <sys/rnd.h> 62 #endif 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 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 73 74 #include <net/if_ether.h> 75 #ifdef INET 76 #include <netinet/in.h> 77 #include <netinet/if_inarp.h> 78 #endif 79 80 #include <dev/mii/mii.h> 81 #include <dev/mii/miivar.h> 82 #include <dev/mii/urlphyreg.h> 83 84 #include <dev/usb/usb.h> 85 #include <dev/usb/usbdi.h> 86 #include <dev/usb/usbdi_util.h> 87 #include <dev/usb/usbdevs.h> 88 #include <dev/usb/usb_ethersubr.h> 89 90 #include <dev/usb/if_urlreg.h> 91 92 93 /* Function declarations */ 94 USB_DECLARE_DRIVER(url); 95 96 Static int url_openpipes(struct url_softc *); 97 Static void url_start(struct ifnet *); 98 Static int url_send(struct url_softc *, struct mbuf *, int); 99 Static void url_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 100 Static void url_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 101 Static void url_tick(void *); 102 Static void url_tick_task(void *); 103 Static int url_ioctl(struct ifnet *, u_long, usb_ioctlarg_t); 104 Static void url_stop_task(struct url_softc *); 105 Static void url_stop(struct ifnet *, int); 106 Static void url_watchdog(struct ifnet *); 107 Static int url_ifmedia_change(struct ifnet *); 108 Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); 109 Static void url_lock_mii(struct url_softc *); 110 Static void url_unlock_mii(struct url_softc *); 111 Static int url_int_miibus_readreg(device_ptr_t, int, int); 112 Static void url_int_miibus_writereg(device_ptr_t, int, int, int); 113 Static void url_miibus_statchg(device_ptr_t); 114 Static int url_init(struct ifnet *); 115 Static void url_setmulti(struct url_softc *); 116 Static void url_reset(struct url_softc *); 117 118 Static int url_csr_read_1(struct url_softc *, int); 119 Static int url_csr_read_2(struct url_softc *, int); 120 Static int url_csr_write_1(struct url_softc *, int, int); 121 Static int url_csr_write_2(struct url_softc *, int, int); 122 Static int url_csr_write_4(struct url_softc *, int, int); 123 Static int url_mem(struct url_softc *, int, int, void *, int); 124 125 /* Macros */ 126 #ifdef URL_DEBUG 127 #define DPRINTF(x) if (urldebug) logprintf x 128 #define DPRINTFN(n,x) if (urldebug >= (n)) logprintf x 129 int urldebug = 0; 130 #else 131 #define DPRINTF(x) 132 #define DPRINTFN(n,x) 133 #endif 134 135 #define URL_SETBIT(sc, reg, x) \ 136 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) 137 138 #define URL_SETBIT2(sc, reg, x) \ 139 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) 140 141 #define URL_CLRBIT(sc, reg, x) \ 142 url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) 143 144 #define URL_CLRBIT2(sc, reg, x) \ 145 url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) 146 147 static const struct url_type { 148 struct usb_devno url_dev; 149 u_int16_t url_flags; 150 #define URL_EXT_PHY 0x0001 151 } url_devs [] = { 152 /* MELCO LUA-KTX */ 153 {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, 154 /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ 155 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, 156 /* Realtek RTL8151 Generic */ 157 {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8151}, 0}, 158 /* Longshine LCS-8138TX */ 159 {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, 160 /* Micronet SP128AR */ 161 {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, 162 /* OQO model 01 */ 163 {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, 164 /* ZyXEL Prestige */ 165 {{ USB_VENDOR_ZYXEL, USB_PRODUCT_ZYXEL_PRESTIGE}, 0} 166 }; 167 #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) 168 169 char zeros[URL_MIN_FRAME_LEN]; /* XXX */ 170 171 /* Probe */ 172 USB_MATCH(url) 173 { 174 USB_MATCH_START(url, uaa); 175 176 #ifndef USB_USE_IFATTACH 177 if (uaa->iface != NULL) 178 return (UMATCH_NONE); 179 #endif /* USB_USE_IFATTACH */ 180 181 return (url_lookup(uaa->vendor, uaa->product) != NULL ? 182 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 183 } 184 /* Attach */ 185 USB_ATTACH(url) 186 { 187 USB_ATTACH_START(url, sc, uaa); 188 usbd_device_handle dev = uaa->device; 189 usbd_interface_handle iface; 190 usbd_status err; 191 usb_interface_descriptor_t *id; 192 usb_endpoint_descriptor_t *ed; 193 char *devinfop; 194 char *devname = USBDEVNAME(sc->sc_dev); 195 struct ifnet *ifp; 196 struct mii_data *mii; 197 u_char eaddr[ETHER_ADDR_LEN]; 198 int i, s; 199 200 devinfop = usbd_devinfo_alloc(dev, 0); 201 USB_ATTACH_SETUP; 202 printf("%s: %s\n", devname, devinfop); 203 usbd_devinfo_free(devinfop); 204 205 /* Move the device into the configured state. */ 206 err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); 207 if (err) { 208 printf("%s: setting config no failed\n", devname); 209 goto bad; 210 } 211 212 usb_init_task(&sc->sc_tick_task, url_tick_task, sc); 213 lockinit(&sc->sc_mii_lock, PZERO, "urlmii", 0, 0); 214 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) url_stop_task, sc); 215 216 /* get control interface */ 217 err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); 218 if (err) { 219 printf("%s: failed to get interface, err=%s\n", devname, 220 usbd_errstr(err)); 221 goto bad; 222 } 223 224 sc->sc_udev = dev; 225 sc->sc_ctl_iface = iface; 226 sc->sc_flags = url_lookup(uaa->vendor, uaa->product)->url_flags; 227 228 /* get interface descriptor */ 229 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 230 231 /* find endpoints */ 232 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 233 for (i = 0; i < id->bNumEndpoints; i++) { 234 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 235 if (ed == NULL) { 236 printf("%s: couldn't get endpoint %d\n", devname, i); 237 goto bad; 238 } 239 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 240 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 241 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 242 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 244 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 245 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 246 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 247 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 248 } 249 250 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 251 sc->sc_intrin_no == -1) { 252 printf("%s: missing endpoint\n", devname); 253 goto bad; 254 } 255 256 s = splnet(); 257 258 /* reset the adapter */ 259 url_reset(sc); 260 261 /* Get Ethernet Address */ 262 err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, 263 ETHER_ADDR_LEN); 264 if (err) { 265 printf("%s: read MAC address failed\n", devname); 266 splx(s); 267 goto bad; 268 } 269 270 /* Print Ethernet Address */ 271 printf("%s: Ethernet address %s\n", devname, ether_sprintf(eaddr)); 272 273 /* initialize interface information */ 274 ifp = GET_IFP(sc); 275 ifp->if_softc = sc; 276 ifp->if_mtu = ETHERMTU; 277 strncpy(ifp->if_xname, devname, IFNAMSIZ); 278 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 279 ifp->if_start = url_start; 280 ifp->if_ioctl = url_ioctl; 281 ifp->if_watchdog = url_watchdog; 282 ifp->if_init = url_init; 283 ifp->if_stop = url_stop; 284 285 IFQ_SET_READY(&ifp->if_snd); 286 287 /* 288 * Do ifmedia setup. 289 */ 290 mii = &sc->sc_mii; 291 mii->mii_ifp = ifp; 292 mii->mii_readreg = url_int_miibus_readreg; 293 mii->mii_writereg = url_int_miibus_writereg; 294 #if 0 295 if (sc->sc_flags & URL_EXT_PHY) { 296 mii->mii_readreg = url_ext_miibus_readreg; 297 mii->mii_writereg = url_ext_miibus_writereg; 298 } 299 #endif 300 mii->mii_statchg = url_miibus_statchg; 301 mii->mii_flags = MIIF_AUTOTSLEEP; 302 ifmedia_init(&mii->mii_media, 0, 303 url_ifmedia_change, url_ifmedia_status); 304 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 305 if (LIST_FIRST(&mii->mii_phys) == NULL) { 306 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 307 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 308 } else 309 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 310 311 /* attach the interface */ 312 if_attach(ifp); 313 Ether_ifattach(ifp, eaddr); 314 315 #if NRND > 0 316 rnd_attach_source(&sc->rnd_source, devname, RND_TYPE_NET, 0); 317 #endif 318 319 usb_callout_init(sc->sc_stat_ch); 320 sc->sc_attached = 1; 321 splx(s); 322 323 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 324 325 USB_ATTACH_SUCCESS_RETURN; 326 327 bad: 328 sc->sc_dying = 1; 329 USB_ATTACH_ERROR_RETURN; 330 } 331 332 /* detach */ 333 USB_DETACH(url) 334 { 335 USB_DETACH_START(url, sc); 336 struct ifnet *ifp = GET_IFP(sc); 337 int s; 338 339 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 340 341 /* Detached before attached finished */ 342 if (!sc->sc_attached) 343 return (0); 344 345 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 346 347 /* Remove any pending tasks */ 348 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 349 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 350 351 s = splusb(); 352 353 if (--sc->sc_refcnt >= 0) { 354 /* Wait for processes to go away */ 355 usb_detach_wait(USBDEV(sc->sc_dev)); 356 } 357 358 if (ifp->if_flags & IFF_RUNNING) 359 url_stop(ifp, 1); 360 361 #if NRND > 0 362 rnd_detach_source(&sc->rnd_source); 363 #endif 364 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 365 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 366 ether_ifdetach(ifp); 367 if_detach(ifp); 368 369 #ifdef DIAGNOSTIC 370 if (sc->sc_pipe_tx != NULL) 371 printf("%s: detach has active tx endpoint.\n", 372 USBDEVNAME(sc->sc_dev)); 373 if (sc->sc_pipe_rx != NULL) 374 printf("%s: detach has active rx endpoint.\n", 375 USBDEVNAME(sc->sc_dev)); 376 if (sc->sc_pipe_intr != NULL) 377 printf("%s: detach has active intr endpoint.\n", 378 USBDEVNAME(sc->sc_dev)); 379 #endif 380 381 sc->sc_attached = 0; 382 383 splx(s); 384 385 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 386 USBDEV(sc->sc_dev)); 387 388 return (0); 389 } 390 391 /* read/write memory */ 392 Static int 393 url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) 394 { 395 usb_device_request_t req; 396 usbd_status err; 397 398 if (sc == NULL) 399 return (0); 400 401 DPRINTFN(0x200, 402 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 403 404 if (sc->sc_dying) 405 return (0); 406 407 if (cmd == URL_CMD_READMEM) 408 req.bmRequestType = UT_READ_VENDOR_DEVICE; 409 else 410 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 411 req.bRequest = URL_REQ_MEM; 412 USETW(req.wValue, offset); 413 USETW(req.wIndex, 0x0000); 414 USETW(req.wLength, len); 415 416 sc->sc_refcnt++; 417 err = usbd_do_request(sc->sc_udev, &req, buf); 418 if (--sc->sc_refcnt < 0) 419 usb_detach_wakeup(USBDEV(sc->sc_dev)); 420 if (err) { 421 DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n", 422 USBDEVNAME(sc->sc_dev), 423 cmd == URL_CMD_READMEM ? "read" : "write", 424 offset, err)); 425 } 426 427 return (err); 428 } 429 430 /* read 1byte from register */ 431 Static int 432 url_csr_read_1(struct url_softc *sc, int reg) 433 { 434 u_int8_t val = 0; 435 436 DPRINTFN(0x100, 437 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 438 439 if (sc->sc_dying) 440 return (0); 441 442 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val); 443 } 444 445 /* read 2bytes from register */ 446 Static int 447 url_csr_read_2(struct url_softc *sc, int reg) 448 { 449 uWord val; 450 451 DPRINTFN(0x100, 452 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 453 454 if (sc->sc_dying) 455 return (0); 456 457 USETW(val, 0); 458 return (url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val)); 459 } 460 461 /* write 1byte to register */ 462 Static int 463 url_csr_write_1(struct url_softc *sc, int reg, int aval) 464 { 465 u_int8_t val = aval; 466 467 DPRINTFN(0x100, 468 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 469 470 if (sc->sc_dying) 471 return (0); 472 473 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0); 474 } 475 476 /* write 2bytes to register */ 477 Static int 478 url_csr_write_2(struct url_softc *sc, int reg, int aval) 479 { 480 uWord val; 481 482 DPRINTFN(0x100, 483 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 484 485 USETW(val, aval); 486 487 if (sc->sc_dying) 488 return (0); 489 490 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0); 491 } 492 493 /* write 4bytes to register */ 494 Static int 495 url_csr_write_4(struct url_softc *sc, int reg, int aval) 496 { 497 uDWord val; 498 499 DPRINTFN(0x100, 500 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 501 502 USETDW(val, aval); 503 504 if (sc->sc_dying) 505 return (0); 506 507 return (url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0); 508 } 509 510 Static int 511 url_init(struct ifnet *ifp) 512 { 513 struct url_softc *sc = ifp->if_softc; 514 struct mii_data *mii = GET_MII(sc); 515 u_char *eaddr; 516 int i, s; 517 struct ue_chain *c; 518 519 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 520 521 if (sc->sc_dying) 522 return (EIO); 523 524 s = splnet(); 525 526 /* Cancel pending I/O and free all TX/RX buffers */ 527 url_stop(ifp, 1); 528 529 eaddr = LLADDR(ifp->if_sadl); 530 for (i = 0; i < ETHER_ADDR_LEN; i++) 531 url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); 532 533 /* Init transmission control register */ 534 URL_CLRBIT(sc, URL_TCR, 535 URL_TCR_TXRR1 | URL_TCR_TXRR0 | 536 URL_TCR_IFG1 | URL_TCR_IFG0 | 537 URL_TCR_NOCRC); 538 539 /* Init receive control register */ 540 URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); 541 if (ifp->if_flags & IFF_BROADCAST) 542 URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); 543 else 544 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); 545 546 /* If we want promiscuous mode, accept all physical frames. */ 547 if (ifp->if_flags & IFF_PROMISC) 548 URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 549 else 550 URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); 551 552 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 553 if (url_openpipes(sc)) { 554 splx(s); 555 return (EIO); 556 } 557 } 558 559 /* Initialize transmit ring */ 560 if (usb_ether_tx_list_init(USBDEV(sc->sc_dev), 561 sc->sc_cdata.url_tx_chain, URL_TX_LIST_CNT, 562 sc->sc_udev, sc->sc_pipe_tx, NULL)) { 563 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 564 splx(s); 565 return (EIO); 566 } 567 568 /* Initialize receive ring */ 569 if (usb_ether_rx_list_init(USBDEV(sc->sc_dev), 570 sc->sc_cdata.url_rx_chain, URL_RX_LIST_CNT, 571 sc->sc_udev, sc->sc_pipe_rx)) { 572 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 573 splx(s); 574 return (EIO); 575 } 576 577 /* Load the multicast filter */ 578 url_setmulti(sc); 579 580 /* Enable RX and TX */ 581 URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); 582 583 mii_mediachg(mii); 584 585 /* Start up the receive pipe. */ 586 for (i = 0; i < URL_RX_LIST_CNT; i++) { 587 c = &sc->sc_cdata.url_rx_chain[i]; 588 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 589 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_rx, 590 c, NULL /* XXX buf */, URL_BUFSZ, 591 USBD_SHORT_XFER_OK | USBD_NO_COPY 592 #ifdef __FreeBSD__ /* callback needs context */ 593 | USBD_CALLBACK_AS_TASK 594 #endif 595 , 596 USBD_NO_TIMEOUT, url_rxeof); 597 (void)usbd_transfer(c->ue_xfer); 598 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 599 __func__)); 600 } 601 602 ifp->if_flags |= IFF_RUNNING; 603 ifp->if_flags &= ~IFF_OACTIVE; 604 605 splx(s); 606 607 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 608 609 return (0); 610 } 611 612 Static void 613 url_reset(struct url_softc *sc) 614 { 615 int i; 616 617 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 618 619 if (sc->sc_dying) 620 return; 621 622 URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); 623 624 for (i = 0; i < URL_TX_TIMEOUT; i++) { 625 if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) 626 break; 627 delay(10); /* XXX */ 628 } 629 630 delay(10000); /* XXX */ 631 } 632 633 int 634 url_activate(device_ptr_t self, enum devact act) 635 { 636 struct url_softc *sc = (struct url_softc *)self; 637 638 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 639 __func__, act)); 640 641 switch (act) { 642 case DVACT_ACTIVATE: 643 return (EOPNOTSUPP); 644 break; 645 646 case DVACT_DEACTIVATE: 647 if_deactivate(&sc->sc_ec.ec_if); 648 sc->sc_dying = 1; 649 break; 650 } 651 652 return (0); 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 u_int32_t hashes[2] = { 0, 0 }; 665 int h = 0; 666 int mcnt = 0; 667 668 DPRINTF(("%s: %s: enter\n", USBDEVNAME(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 USBDEVNAME(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 USBDEVNAME(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 USBDEVNAME(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_wakeup(USBDEV(sc->sc_dev)); 768 769 return (error); 770 } 771 772 Static void 773 url_start(struct ifnet *ifp) 774 { 775 struct url_softc *sc = ifp->if_softc; 776 struct mbuf *m_head = NULL; 777 778 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 779 __func__, sc->sc_link)); 780 781 if (sc->sc_dying) 782 return; 783 784 if (!sc->sc_link) 785 return; 786 787 if (ifp->if_flags & IFF_OACTIVE) 788 return; 789 790 IFQ_POLL(&ifp->if_snd, m_head); 791 if (m_head == NULL) 792 return; 793 794 IFQ_DEQUEUE(&ifp->if_snd, m_head); 795 796 #if NBPFILTER > 0 797 if (ifp->if_bpf) 798 bpf_mtap(ifp->if_bpf, m_head); 799 #endif 800 801 if (url_send(sc, m_head, 0)) { 802 ifp->if_flags |= IFF_OACTIVE; 803 return; 804 } 805 806 ifp->if_flags |= IFF_OACTIVE; 807 808 /* Set a timeout in case the chip goes out to lunch. */ 809 ifp->if_timer = 5; 810 } 811 812 Static int 813 url_send(struct url_softc *sc, struct mbuf *m, int idx) 814 { 815 int total_len; 816 struct ue_chain *c; 817 usbd_status err; 818 int ret; 819 820 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 821 822 c = &sc->sc_cdata.url_tx_chain[idx]; 823 824 total_len = m->m_pkthdr.len; 825 826 if (total_len < URL_MIN_FRAME_LEN) { 827 /* expand mbuf chain with zeros */ 828 m_copyback(m, total_len, URL_MIN_FRAME_LEN - total_len, 829 zeros); 830 total_len = URL_MIN_FRAME_LEN; 831 if (m->m_pkthdr.len != total_len) { 832 m_freem(m); 833 return (ENOBUFS); 834 } 835 } 836 837 ret = usb_ether_map_tx_buffer_mbuf(c, m); 838 if (ret) { 839 m_freem(m); 840 return (ret); 841 } 842 843 usbd_setup_xfer(c->ue_xfer, sc->sc_pipe_tx, c, NULL /* XXX buf */, total_len, 844 USBD_FORCE_SHORT_XFER | USBD_NO_COPY 845 #ifdef __FreeBSD__ /* callback needs context */ 846 | USBD_CALLBACK_AS_TASK 847 #endif 848 , 849 URL_TX_TIMEOUT, url_txeof); 850 851 /* Transmit */ 852 sc->sc_refcnt++; 853 err = usbd_transfer(c->ue_xfer); 854 if (--sc->sc_refcnt < 0) 855 usb_detach_wakeup(USBDEV(sc->sc_dev)); 856 if (err != USBD_IN_PROGRESS) { 857 c->ue_mbuf = NULL; 858 m_freem(m); 859 printf("%s: url_send error=%s\n", USBDEVNAME(sc->sc_dev), 860 usbd_errstr(err)); 861 /* Stop the interface */ 862 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 863 USB_TASKQ_DRIVER); 864 return (EIO); 865 } 866 867 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 868 __func__, total_len)); 869 870 sc->sc_cdata.url_tx_cnt++; 871 872 return (0); 873 } 874 875 Static void 876 url_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 877 usbd_status status) 878 { 879 struct ue_chain *c = priv; 880 struct url_softc *sc = (void *)c->ue_dev; 881 struct ifnet *ifp = GET_IFP(sc); 882 int s; 883 884 if (sc->sc_dying) 885 return; 886 887 s = splnet(); 888 889 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 890 891 ifp->if_timer = 0; 892 ifp->if_flags &= ~IFF_OACTIVE; 893 894 usbd_unmap_buffer(xfer); 895 896 if (status != USBD_NORMAL_COMPLETION) { 897 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 898 splx(s); 899 return; 900 } 901 ifp->if_oerrors++; 902 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 903 usbd_errstr(status)); 904 if (status == USBD_STALLED) { 905 sc->sc_refcnt++; 906 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 907 if (--sc->sc_refcnt < 0) 908 usb_detach_wakeup(USBDEV(sc->sc_dev)); 909 } 910 splx(s); 911 return; 912 } 913 914 ifp->if_opackets++; 915 916 m_freem(c->ue_mbuf); 917 c->ue_mbuf = NULL; 918 919 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 920 url_start(ifp); 921 922 splx(s); 923 } 924 925 Static void 926 url_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 927 { 928 struct ue_chain *c = priv; 929 struct url_softc *sc = (void *)c->ue_dev; 930 struct ifnet *ifp = GET_IFP(sc); 931 struct mbuf *m; 932 u_int32_t total_len; 933 url_rxhdr_t rxhdr; 934 int s; 935 936 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 937 938 if (sc->sc_dying) 939 return; 940 941 usbd_unmap_buffer(xfer); 942 943 if (status != USBD_NORMAL_COMPLETION) { 944 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 945 return; 946 sc->sc_rx_errs++; 947 if (usbd_ratecheck(&sc->sc_rx_notice)) { 948 printf("%s: %u usb errors on rx: %s\n", 949 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 950 usbd_errstr(status)); 951 sc->sc_rx_errs = 0; 952 } 953 if (status == USBD_STALLED) { 954 sc->sc_refcnt++; 955 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 956 if (--sc->sc_refcnt < 0) 957 usb_detach_wakeup(USBDEV(sc->sc_dev)); 958 } 959 goto done; 960 } 961 962 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 963 964 if (total_len <= ETHER_CRC_LEN) { 965 ifp->if_ierrors++; 966 goto done; 967 } 968 969 m = c->ue_mbuf; 970 971 memcpy(&rxhdr, mtod(m, char *) + total_len - ETHER_CRC_LEN, 972 sizeof(rxhdr)); 973 974 DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n", 975 USBDEVNAME(sc->sc_dev), 976 UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, 977 UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "", 978 UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "", 979 UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "", 980 UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "")); 981 982 if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { 983 ifp->if_ierrors++; 984 goto done; 985 } 986 987 /* 988 * Allocate new mbuf cluster for the next transfer. 989 * If that failed, discard current packet and recycle the mbuf. 990 */ 991 if ((c->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 992 printf("%s: no memory for rx list -- packet dropped!\n", 993 USBDEVNAME(sc->sc_dev)); 994 ifp->if_ierrors++; 995 c->ue_mbuf = usb_ether_newbuf(m); 996 goto done; 997 } 998 999 ifp->if_ipackets++; 1000 total_len -= ETHER_CRC_LEN; 1001 1002 m->m_pkthdr.len = m->m_len = total_len; 1003 m->m_pkthdr.rcvif = ifp; 1004 1005 s = splnet(); 1006 1007 #if NBPFILTER > 0 1008 if (ifp->if_bpf) 1009 BPF_MTAP(ifp, m); 1010 #endif 1011 1012 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1013 __func__, m->m_len)); 1014 IF_INPUT(ifp, m); 1015 1016 splx(s); 1017 1018 done: 1019 /* Setup new transfer */ 1020 (void)usbd_map_buffer_mbuf(xfer, c->ue_mbuf); 1021 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, NULL /* XXX buf */, URL_BUFSZ, 1022 USBD_SHORT_XFER_OK | USBD_NO_COPY 1023 #ifdef __FreeBSD__ /* callback needs context */ 1024 | USBD_CALLBACK_AS_TASK 1025 #endif 1026 , 1027 USBD_NO_TIMEOUT, url_rxeof); 1028 sc->sc_refcnt++; 1029 usbd_transfer(xfer); 1030 if (--sc->sc_refcnt < 0) 1031 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1032 1033 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1034 } 1035 1036 #if 0 1037 Static void url_intr() 1038 { 1039 } 1040 #endif 1041 1042 Static int 1043 url_ioctl(struct ifnet *ifp, u_long cmd, usb_ioctlarg_t data) 1044 { 1045 struct url_softc *sc = ifp->if_softc; 1046 struct ifreq *ifr = (struct ifreq *)data; 1047 struct mii_data *mii; 1048 int s, error = 0; 1049 1050 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1051 1052 if (sc->sc_dying) 1053 return (EIO); 1054 1055 s = splnet(); 1056 1057 switch (cmd) { 1058 case SIOCGIFMEDIA: 1059 case SIOCSIFMEDIA: 1060 mii = GET_MII(sc); 1061 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1062 break; 1063 1064 default: 1065 error = ether_ioctl(ifp, cmd, data); 1066 if (error == ENETRESET) { 1067 if (ifp->if_flags & IFF_RUNNING) 1068 url_setmulti(sc); 1069 error = 0; 1070 } 1071 break; 1072 } 1073 1074 splx(s); 1075 1076 return (error); 1077 } 1078 1079 Static void 1080 url_watchdog(struct ifnet *ifp) 1081 { 1082 struct url_softc *sc = ifp->if_softc; 1083 struct ue_chain *c; 1084 usbd_status stat; 1085 int s; 1086 1087 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1088 1089 ifp->if_oerrors++; 1090 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1091 1092 s = splusb(); 1093 c = &sc->sc_cdata.url_tx_chain[0]; 1094 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat); 1095 url_txeof(c->ue_xfer, c, stat); 1096 1097 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1098 url_start(ifp); 1099 splx(s); 1100 } 1101 1102 Static void 1103 url_stop_task(struct url_softc *sc) 1104 { 1105 url_stop(GET_IFP(sc), 1); 1106 } 1107 1108 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1109 Static void 1110 url_stop(struct ifnet *ifp, int disable) 1111 { 1112 struct url_softc *sc = ifp->if_softc; 1113 usbd_status err; 1114 1115 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1116 1117 ifp->if_timer = 0; 1118 1119 url_reset(sc); 1120 1121 usb_uncallout(sc->sc_stat_ch, url_tick, sc); 1122 1123 /* Stop transfers */ 1124 /* RX endpoint */ 1125 if (sc->sc_pipe_rx != NULL) { 1126 err = usbd_abort_pipe(sc->sc_pipe_rx); 1127 if (err) 1128 printf("%s: abort rx pipe failed: %s\n", 1129 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1130 } 1131 1132 /* TX endpoint */ 1133 if (sc->sc_pipe_tx != NULL) { 1134 err = usbd_abort_pipe(sc->sc_pipe_tx); 1135 if (err) 1136 printf("%s: abort tx pipe failed: %s\n", 1137 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1138 } 1139 1140 #if 0 1141 /* XXX: Interrupt endpoint is not yet supported!! */ 1142 /* Interrupt endpoint */ 1143 if (sc->sc_pipe_intr != NULL) { 1144 err = usbd_abort_pipe(sc->sc_pipe_intr); 1145 if (err) 1146 printf("%s: abort intr pipe failed: %s\n", 1147 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1148 #endif 1149 1150 /* Free RX/TX resources. */ 1151 usb_ether_rx_list_free(sc->sc_cdata.url_rx_chain, URL_RX_LIST_CNT); 1152 usb_ether_tx_list_free(sc->sc_cdata.url_tx_chain, URL_TX_LIST_CNT); 1153 1154 /* Close pipes. */ 1155 /* RX endpoint */ 1156 if (sc->sc_pipe_rx != NULL) { 1157 err = usbd_close_pipe(sc->sc_pipe_rx); 1158 if (err) 1159 printf("%s: close rx pipe failed: %s\n", 1160 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1161 sc->sc_pipe_rx = NULL; 1162 } 1163 1164 /* TX endpoint */ 1165 if (sc->sc_pipe_tx != NULL) { 1166 err = usbd_close_pipe(sc->sc_pipe_tx); 1167 if (err) 1168 printf("%s: close tx pipe failed: %s\n", 1169 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1170 sc->sc_pipe_tx = NULL; 1171 } 1172 1173 #if 0 1174 /* XXX: Interrupt endpoint is not yet supported!! */ 1175 /* Interrupt endpoint */ 1176 if (sc->sc_pipe_intr != NULL) { 1177 err = usbd_close_pipe(sc->sc_pipe_intr); 1178 if (err) 1179 printf("%s: close intr pipe failed: %s\n", 1180 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1181 sc->sc_pipe_intr = NULL; 1182 } 1183 #endif 1184 1185 sc->sc_link = 0; 1186 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1187 } 1188 1189 /* Set media options */ 1190 Static int 1191 url_ifmedia_change(struct ifnet *ifp) 1192 { 1193 struct url_softc *sc = ifp->if_softc; 1194 struct mii_data *mii = GET_MII(sc); 1195 1196 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1197 1198 if (sc->sc_dying) 1199 return (0); 1200 1201 sc->sc_link = 0; 1202 if (mii->mii_instance) { 1203 struct mii_softc *miisc; 1204 for (miisc = LIST_FIRST(&mii->mii_phys); miisc != NULL; 1205 miisc = LIST_NEXT(miisc, mii_list)) 1206 mii_phy_reset(miisc); 1207 } 1208 1209 return (mii_mediachg(mii)); 1210 } 1211 1212 /* Report current media status. */ 1213 Static void 1214 url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1215 { 1216 struct url_softc *sc = ifp->if_softc; 1217 struct mii_data *mii = GET_MII(sc); 1218 1219 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1220 1221 if (sc->sc_dying) 1222 return; 1223 1224 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1225 ifmr->ifm_active = IFM_ETHER | IFM_NONE; 1226 ifmr->ifm_status = 0; 1227 return; 1228 } 1229 1230 mii_pollstat(mii); 1231 ifmr->ifm_active = mii->mii_media_active; 1232 ifmr->ifm_status = mii->mii_media_status; 1233 } 1234 1235 Static void 1236 url_tick(void *xsc) 1237 { 1238 struct url_softc *sc = xsc; 1239 1240 if (sc == NULL) 1241 return; 1242 1243 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1244 __func__)); 1245 1246 if (sc->sc_dying) 1247 return; 1248 1249 /* Perform periodic stuff in process context */ 1250 usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); 1251 } 1252 1253 Static void 1254 url_tick_task(void *xsc) 1255 { 1256 struct url_softc *sc = xsc; 1257 struct ifnet *ifp; 1258 struct mii_data *mii; 1259 int s; 1260 1261 if (sc == NULL) 1262 return; 1263 1264 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1265 __func__)); 1266 1267 if (sc->sc_dying) 1268 return; 1269 1270 ifp = GET_IFP(sc); 1271 mii = GET_MII(sc); 1272 1273 if (mii == NULL) 1274 return; 1275 1276 s = splnet(); 1277 1278 mii_tick(mii); 1279 if (!sc->sc_link) { 1280 mii_pollstat(mii); 1281 if (mii->mii_media_status & IFM_ACTIVE && 1282 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1283 DPRINTF(("%s: %s: got link\n", 1284 USBDEVNAME(sc->sc_dev), __func__)); 1285 sc->sc_link++; 1286 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1287 url_start(ifp); 1288 } 1289 } 1290 1291 usb_callout(sc->sc_stat_ch, hz, url_tick, sc); 1292 1293 splx(s); 1294 } 1295 1296 /* Get exclusive access to the MII registers */ 1297 Static void 1298 url_lock_mii(struct url_softc *sc) 1299 { 1300 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1301 __func__)); 1302 1303 sc->sc_refcnt++; 1304 lockmgr(&sc->sc_mii_lock, LK_EXCLUSIVE, NULL); 1305 } 1306 1307 Static void 1308 url_unlock_mii(struct url_softc *sc) 1309 { 1310 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1311 __func__)); 1312 1313 lockmgr(&sc->sc_mii_lock, LK_RELEASE, NULL); 1314 if (--sc->sc_refcnt < 0) 1315 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1316 } 1317 1318 Static int 1319 url_int_miibus_readreg(device_ptr_t dev, int phy, int reg) 1320 { 1321 struct url_softc *sc; 1322 u_int16_t val; 1323 1324 if (dev == NULL) 1325 return (0); 1326 1327 sc = USBGETSOFTC(dev); 1328 1329 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1330 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1331 1332 if (sc->sc_dying) { 1333 #ifdef DIAGNOSTIC 1334 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1335 __func__); 1336 #endif 1337 return (0); 1338 } 1339 1340 /* XXX: one PHY only for the RTL8150 internal PHY */ 1341 if (phy != 0) { 1342 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1343 USBDEVNAME(sc->sc_dev), __func__, phy)); 1344 return (0); 1345 } 1346 1347 url_lock_mii(sc); 1348 1349 switch (reg) { 1350 case MII_BMCR: /* Control Register */ 1351 reg = URL_BMCR; 1352 break; 1353 case MII_BMSR: /* Status Register */ 1354 reg = URL_BMSR; 1355 break; 1356 case MII_PHYIDR1: 1357 case MII_PHYIDR2: 1358 val = 0; 1359 goto R_DONE; 1360 break; 1361 case MII_ANAR: /* Autonegotiation advertisement */ 1362 reg = URL_ANAR; 1363 break; 1364 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1365 reg = URL_ANLP; 1366 break; 1367 case URLPHY_MSR: /* Media Status Register */ 1368 reg = URL_MSR; 1369 break; 1370 default: 1371 printf("%s: %s: bad register %04x\n", 1372 USBDEVNAME(sc->sc_dev), __func__, reg); 1373 val = 0; 1374 goto R_DONE; 1375 break; 1376 } 1377 1378 if (reg == URL_MSR) 1379 val = url_csr_read_1(sc, reg); 1380 else 1381 val = url_csr_read_2(sc, reg); 1382 1383 R_DONE: 1384 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1385 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1386 1387 url_unlock_mii(sc); 1388 return (val); 1389 } 1390 1391 Static void 1392 url_int_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1393 { 1394 struct url_softc *sc; 1395 1396 if (dev == NULL) 1397 return; 1398 1399 sc = USBGETSOFTC(dev); 1400 1401 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1402 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1403 1404 if (sc->sc_dying) { 1405 #ifdef DIAGNOSTIC 1406 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1407 __func__); 1408 #endif 1409 return; 1410 } 1411 1412 /* XXX: one PHY only for the RTL8150 internal PHY */ 1413 if (phy != 0) { 1414 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1415 USBDEVNAME(sc->sc_dev), __func__, phy)); 1416 return; 1417 } 1418 1419 url_lock_mii(sc); 1420 1421 switch (reg) { 1422 case MII_BMCR: /* Control Register */ 1423 reg = URL_BMCR; 1424 break; 1425 case MII_BMSR: /* Status Register */ 1426 reg = URL_BMSR; 1427 break; 1428 case MII_PHYIDR1: 1429 case MII_PHYIDR2: 1430 goto W_DONE; 1431 break; 1432 case MII_ANAR: /* Autonegotiation advertisement */ 1433 reg = URL_ANAR; 1434 break; 1435 case MII_ANLPAR: /* Autonegotiation link partner abilities */ 1436 reg = URL_ANLP; 1437 break; 1438 case URLPHY_MSR: /* Media Status Register */ 1439 reg = URL_MSR; 1440 break; 1441 default: 1442 printf("%s: %s: bad register %04x\n", 1443 USBDEVNAME(sc->sc_dev), __func__, reg); 1444 goto W_DONE; 1445 break; 1446 } 1447 1448 if (reg == URL_MSR) 1449 url_csr_write_1(sc, reg, data); 1450 else 1451 url_csr_write_2(sc, reg, data); 1452 W_DONE: 1453 1454 url_unlock_mii(sc); 1455 return; 1456 } 1457 1458 Static void 1459 url_miibus_statchg(device_ptr_t dev) 1460 { 1461 #ifdef URL_DEBUG 1462 struct url_softc *sc; 1463 1464 if (dev == NULL) 1465 return; 1466 1467 sc = USBGETSOFTC(dev); 1468 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1469 #endif 1470 /* Nothing to do */ 1471 } 1472 1473 #if 0 1474 /* 1475 * external PHYs support, but not test. 1476 */ 1477 Static int 1478 url_ext_miibus_redreg(device_ptr_t dev, int phy, int reg) 1479 { 1480 struct url_softc *sc = USBGETSOFTC(dev); 1481 u_int16_t val; 1482 1483 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n", 1484 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1485 1486 if (sc->sc_dying) { 1487 #ifdef DIAGNOSTIC 1488 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1489 __func__); 1490 #endif 1491 return (0); 1492 } 1493 1494 url_lock_mii(sc); 1495 1496 url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); 1497 /* 1498 * RTL8150L will initiate a MII management data transaction 1499 * if PHYCNT_OWN bit is set 1 by software. After transaction, 1500 * this bit is auto cleared by TRL8150L. 1501 */ 1502 url_csr_write_1(sc, URL_PHYCNT, 1503 (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); 1504 for (i = 0; i < URL_TIMEOUT; i++) { 1505 if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) 1506 break; 1507 } 1508 if (i == URL_TIMEOUT) { 1509 printf("%s: MII read timed out\n", USBDEVNAME(sc->sc_dev)); 1510 } 1511 1512 val = url_csr_read_2(sc, URL_PHYDAT); 1513 1514 DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1515 USBDEVNAME(sc->sc_dev), __func__, phy, reg, val)); 1516 1517 url_unlock_mii(sc); 1518 return (val); 1519 } 1520 1521 Static void 1522 url_ext_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1523 { 1524 struct url_softc *sc = USBGETSOFTC(dev); 1525 1526 DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1527 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1528 1529 if (sc->sc_dying) { 1530 #ifdef DIAGNOSTIC 1531 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1532 __func__); 1533 #endif 1534 return; 1535 } 1536 1537 url_lock_mii(sc); 1538 1539 url_csr_write_2(sc, URL_PHYDAT, data); 1540 url_csr_write_1(sc, URL_PHYADD, phy); 1541 url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ 1542 1543 for (i=0; i < URL_TIMEOUT; i++) { 1544 if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) 1545 break; 1546 } 1547 1548 if (i == URL_TIMEOUT) { 1549 printf("%s: MII write timed out\n", 1550 USBDEVNAME(sc->sc_dev)); 1551 } 1552 1553 url_unlock_mii(sc); 1554 return; 1555 } 1556 #endif 1557 1558
Indexes created Wed Oct 01 19:09:53 GMT 2025