1 /* $NetBSD: if_udav.c,v 1.46 2016/04/23 10:15:31 skrll Exp $ */ 2 /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ 3 4 /* 5 * Copyright (c) 2003 6 * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 */ 33 34 /* 35 * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY) 36 * The spec can be found at the following url. 37 * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-F01-062202s.pdf 38 */ 39 40 /* 41 * TODO: 42 * Interrupt Endpoint support 43 * External PHYs 44 * powerhook() support? 45 */ 46 47 #include <sys/cdefs.h> 48 __KERNEL_RCSID(0, "$NetBSD: if_udav.c,v 1.46 2016/04/23 10:15:31 skrll Exp $"); 49 50 #ifdef _KERNEL_OPT 51 #include "opt_inet.h" 52 #endif 53 54 #include <sys/param.h> 55 #include <sys/systm.h> 56 #include <sys/mutex.h> 57 #include <sys/mbuf.h> 58 #include <sys/kernel.h> 59 #include <sys/socket.h> 60 #include <sys/device.h> 61 #include <sys/rndsource.h> 62 63 #include <net/if.h> 64 #include <net/if_arp.h> 65 #include <net/if_dl.h> 66 #include <net/if_media.h> 67 68 #include <net/bpf.h> 69 70 #include <net/if_ether.h> 71 #ifdef INET 72 #include <netinet/in.h> 73 #include <netinet/if_inarp.h> 74 #endif 75 76 #include <dev/mii/mii.h> 77 #include <dev/mii/miivar.h> 78 79 #include <dev/usb/usb.h> 80 #include <dev/usb/usbdi.h> 81 #include <dev/usb/usbdi_util.h> 82 #include <dev/usb/usbdevs.h> 83 84 #include <dev/usb/if_udavreg.h> 85 86 87 /* Function declarations */ 88 int udav_match(device_t, cfdata_t, void *); 89 void udav_attach(device_t, device_t, void *); 90 int udav_detach(device_t, int); 91 int udav_activate(device_t, enum devact); 92 extern struct cfdriver udav_cd; 93 CFATTACH_DECL_NEW(udav, sizeof(struct udav_softc), udav_match, udav_attach, udav_detach, udav_activate); 94 95 Static int udav_openpipes(struct udav_softc *); 96 Static int udav_rx_list_init(struct udav_softc *); 97 Static int udav_tx_list_init(struct udav_softc *); 98 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); 99 Static void udav_start(struct ifnet *); 100 Static int udav_send(struct udav_softc *, struct mbuf *, int); 101 Static void udav_txeof(struct usbd_xfer *, void *, usbd_status); 102 Static void udav_rxeof(struct usbd_xfer *, void *, usbd_status); 103 Static void udav_tick(void *); 104 Static void udav_tick_task(void *); 105 Static int udav_ioctl(struct ifnet *, u_long, void *); 106 Static void udav_stop_task(struct udav_softc *); 107 Static void udav_stop(struct ifnet *, int); 108 Static void udav_watchdog(struct ifnet *); 109 Static int udav_ifmedia_change(struct ifnet *); 110 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 111 Static void udav_lock_mii(struct udav_softc *); 112 Static void udav_unlock_mii(struct udav_softc *); 113 Static int udav_miibus_readreg(device_t, int, int); 114 Static void udav_miibus_writereg(device_t, int, int, int); 115 Static void udav_miibus_statchg(struct ifnet *); 116 Static int udav_init(struct ifnet *); 117 Static void udav_setmulti(struct udav_softc *); 118 Static void udav_reset(struct udav_softc *); 119 120 Static int udav_csr_read(struct udav_softc *, int, void *, int); 121 Static int udav_csr_write(struct udav_softc *, int, void *, int); 122 Static int udav_csr_read1(struct udav_softc *, int); 123 Static int udav_csr_write1(struct udav_softc *, int, unsigned char); 124 125 #if 0 126 Static int udav_mem_read(struct udav_softc *, int, void *, int); 127 Static int udav_mem_write(struct udav_softc *, int, void *, int); 128 Static int udav_mem_write1(struct udav_softc *, int, unsigned char); 129 #endif 130 131 /* Macros */ 132 #ifdef UDAV_DEBUG 133 #define DPRINTF(x) if (udavdebug) printf x 134 #define DPRINTFN(n,x) if (udavdebug >= (n)) printf x 135 int udavdebug = 0; 136 #else 137 #define DPRINTF(x) 138 #define DPRINTFN(n,x) 139 #endif 140 141 #define UDAV_SETBIT(sc, reg, x) \ 142 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 143 144 #define UDAV_CLRBIT(sc, reg, x) \ 145 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 146 147 static const struct udav_type { 148 struct usb_devno udav_dev; 149 uint16_t udav_flags; 150 #define UDAV_EXT_PHY 0x0001 151 #define UDAV_NO_PHY 0x0002 152 } udav_devs [] = { 153 /* Corega USB-TXC */ 154 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, 155 /* ShanTou ST268 USB NIC */ 156 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, 157 /* ShanTou ADM8515 */ 158 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, 159 /* SUNRISING SR9600 */ 160 {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_SR9600 }, 0 }, 161 /* SUNRISING QF9700 */ 162 {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_QF9700 }, UDAV_NO_PHY }, 163 /* QUAN DM9601 */ 164 {{USB_VENDOR_QUAN, USB_PRODUCT_QUAN_DM9601 }, 0}, 165 #if 0 166 /* DAVICOM DM9601 Generic? */ 167 /* XXX: The following ids was obtained from the data sheet. */ 168 {{ 0x0a46, 0x9601 }, 0}, 169 #endif 170 }; 171 #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) 172 173 174 /* Probe */ 175 int 176 udav_match(device_t parent, cfdata_t match, void *aux) 177 { 178 struct usb_attach_arg *uaa = aux; 179 180 return udav_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 181 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 182 } 183 184 /* Attach */ 185 void 186 udav_attach(device_t parent, device_t self, void *aux) 187 { 188 struct udav_softc *sc = device_private(self); 189 struct usb_attach_arg *uaa = aux; 190 struct usbd_device *dev = uaa->uaa_device; 191 struct usbd_interface *iface; 192 usbd_status err; 193 usb_interface_descriptor_t *id; 194 usb_endpoint_descriptor_t *ed; 195 char *devinfop; 196 struct ifnet *ifp; 197 struct mii_data *mii; 198 u_char eaddr[ETHER_ADDR_LEN]; 199 int i, s; 200 201 sc->sc_dev = self; 202 203 aprint_naive("\n"); 204 aprint_normal("\n"); 205 206 devinfop = usbd_devinfo_alloc(dev, 0); 207 aprint_normal_dev(self, "%s\n", devinfop); 208 usbd_devinfo_free(devinfop); 209 210 /* Move the device into the configured state. */ 211 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ 212 if (err) { 213 aprint_error_dev(self, "failed to set configuration" 214 ", err=%s\n", usbd_errstr(err)); 215 goto bad; 216 } 217 218 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc, 0); 219 mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); 220 usb_init_task(&sc->sc_stop_task, (void (*)(void *))udav_stop_task, sc, 0); 221 222 /* get control interface */ 223 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); 224 if (err) { 225 aprint_error_dev(self, "failed to get interface, err=%s\n", 226 usbd_errstr(err)); 227 goto bad; 228 } 229 230 sc->sc_udev = dev; 231 sc->sc_ctl_iface = iface; 232 sc->sc_flags = udav_lookup(uaa->uaa_vendor, uaa->uaa_product)->udav_flags; 233 234 /* get interface descriptor */ 235 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 236 237 /* find endpoints */ 238 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 239 for (i = 0; i < id->bNumEndpoints; i++) { 240 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 241 if (ed == NULL) { 242 aprint_error_dev(self, "couldn't get endpoint %d\n", i); 243 goto bad; 244 } 245 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 246 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 247 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 248 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 249 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 250 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 251 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 252 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 253 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 254 } 255 256 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 257 sc->sc_intrin_no == -1) { 258 aprint_error_dev(self, "missing endpoint\n"); 259 goto bad; 260 } 261 262 s = splnet(); 263 264 /* reset the adapter */ 265 udav_reset(sc); 266 267 /* Get Ethernet Address */ 268 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); 269 if (err) { 270 aprint_error_dev(self, "read MAC address failed\n"); 271 splx(s); 272 goto bad; 273 } 274 275 /* Print Ethernet Address */ 276 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 277 278 /* initialize interface information */ 279 ifp = GET_IFP(sc); 280 ifp->if_softc = sc; 281 ifp->if_mtu = ETHERMTU; 282 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 283 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 284 ifp->if_start = udav_start; 285 ifp->if_ioctl = udav_ioctl; 286 ifp->if_watchdog = udav_watchdog; 287 ifp->if_init = udav_init; 288 ifp->if_stop = udav_stop; 289 290 IFQ_SET_READY(&ifp->if_snd); 291 292 if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { 293 sc->sc_link = 1; 294 goto skipmii; 295 } 296 297 /* 298 * Do ifmedia setup. 299 */ 300 mii = &sc->sc_mii; 301 mii->mii_ifp = ifp; 302 mii->mii_readreg = udav_miibus_readreg; 303 mii->mii_writereg = udav_miibus_writereg; 304 mii->mii_statchg = udav_miibus_statchg; 305 mii->mii_flags = MIIF_AUTOTSLEEP; 306 sc->sc_ec.ec_mii = mii; 307 ifmedia_init(&mii->mii_media, 0, 308 udav_ifmedia_change, udav_ifmedia_status); 309 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 310 if (LIST_FIRST(&mii->mii_phys) == NULL) { 311 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 312 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 313 } else 314 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 315 316 skipmii: 317 /* attach the interface */ 318 if_attach(ifp); 319 ether_ifattach(ifp, eaddr); 320 321 rnd_attach_source(&sc->rnd_source, device_xname(self), 322 RND_TYPE_NET, RND_FLAG_DEFAULT); 323 324 callout_init(&sc->sc_stat_ch, 0); 325 sc->sc_attached = 1; 326 splx(s); 327 328 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 329 330 return; 331 332 bad: 333 sc->sc_dying = 1; 334 return; 335 } 336 337 /* detach */ 338 int 339 udav_detach(device_t self, int flags) 340 { 341 struct udav_softc *sc = device_private(self); 342 struct ifnet *ifp = GET_IFP(sc); 343 int s; 344 345 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 346 347 /* Detached before attached finished */ 348 if (!sc->sc_attached) 349 return 0; 350 351 callout_stop(&sc->sc_stat_ch); 352 353 /* Remove any pending tasks */ 354 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 355 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 356 357 s = splusb(); 358 359 if (--sc->sc_refcnt >= 0) { 360 /* Wait for processes to go away */ 361 usb_detach_waitold(sc->sc_dev); 362 } 363 if (ifp->if_flags & IFF_RUNNING) 364 udav_stop(GET_IFP(sc), 1); 365 366 rnd_detach_source(&sc->rnd_source); 367 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 368 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 369 ether_ifdetach(ifp); 370 if_detach(ifp); 371 372 #ifdef DIAGNOSTIC 373 if (sc->sc_pipe_tx != NULL) 374 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 375 if (sc->sc_pipe_rx != NULL) 376 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 377 if (sc->sc_pipe_intr != NULL) 378 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 379 #endif 380 sc->sc_attached = 0; 381 382 splx(s); 383 384 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 385 sc->sc_dev); 386 387 mutex_destroy(&sc->sc_mii_lock); 388 389 return 0; 390 } 391 392 #if 0 393 /* read memory */ 394 Static int 395 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) 396 { 397 usb_device_request_t req; 398 usbd_status err; 399 400 if (sc == NULL) 401 return 0; 402 403 DPRINTFN(0x200, 404 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 405 406 if (sc->sc_dying) 407 return 0; 408 409 offset &= 0xffff; 410 len &= 0xff; 411 412 req.bmRequestType = UT_READ_VENDOR_DEVICE; 413 req.bRequest = UDAV_REQ_MEM_READ; 414 USETW(req.wValue, 0x0000); 415 USETW(req.wIndex, offset); 416 USETW(req.wLength, len); 417 418 sc->sc_refcnt++; 419 err = usbd_do_request(sc->sc_udev, &req, buf); 420 if (--sc->sc_refcnt < 0) 421 usb_detach_wakeupold(sc->sc_dev); 422 if (err) { 423 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 424 device_xname(sc->sc_dev), __func__, offset, err)); 425 } 426 427 return err; 428 } 429 430 /* write memory */ 431 Static int 432 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) 433 { 434 usb_device_request_t req; 435 usbd_status err; 436 437 if (sc == NULL) 438 return 0; 439 440 DPRINTFN(0x200, 441 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 442 443 if (sc->sc_dying) 444 return 0; 445 446 offset &= 0xffff; 447 len &= 0xff; 448 449 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 450 req.bRequest = UDAV_REQ_MEM_WRITE; 451 USETW(req.wValue, 0x0000); 452 USETW(req.wIndex, offset); 453 USETW(req.wLength, len); 454 455 sc->sc_refcnt++; 456 err = usbd_do_request(sc->sc_udev, &req, buf); 457 if (--sc->sc_refcnt < 0) 458 usb_detach_wakeupold(sc->sc_dev); 459 if (err) { 460 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 461 device_xname(sc->sc_dev), __func__, offset, err)); 462 } 463 464 return err; 465 } 466 467 /* write memory */ 468 Static int 469 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) 470 { 471 usb_device_request_t req; 472 usbd_status err; 473 474 if (sc == NULL) 475 return 0; 476 477 DPRINTFN(0x200, 478 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 479 480 if (sc->sc_dying) 481 return 0; 482 483 offset &= 0xffff; 484 485 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 486 req.bRequest = UDAV_REQ_MEM_WRITE1; 487 USETW(req.wValue, ch); 488 USETW(req.wIndex, offset); 489 USETW(req.wLength, 0x0000); 490 491 sc->sc_refcnt++; 492 err = usbd_do_request(sc->sc_udev, &req, NULL); 493 if (--sc->sc_refcnt < 0) 494 usb_detach_wakeupold(sc->sc_dev); 495 if (err) { 496 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 497 device_xname(sc->sc_dev), __func__, offset, err)); 498 } 499 500 return err; 501 } 502 #endif 503 504 /* read register(s) */ 505 Static int 506 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) 507 { 508 usb_device_request_t req; 509 usbd_status err; 510 511 if (sc == NULL) 512 return 0; 513 514 DPRINTFN(0x200, 515 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 516 517 if (sc->sc_dying) 518 return 0; 519 520 offset &= 0xff; 521 len &= 0xff; 522 523 req.bmRequestType = UT_READ_VENDOR_DEVICE; 524 req.bRequest = UDAV_REQ_REG_READ; 525 USETW(req.wValue, 0x0000); 526 USETW(req.wIndex, offset); 527 USETW(req.wLength, len); 528 529 sc->sc_refcnt++; 530 err = usbd_do_request(sc->sc_udev, &req, buf); 531 if (--sc->sc_refcnt < 0) 532 usb_detach_wakeupold(sc->sc_dev); 533 if (err) { 534 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 535 device_xname(sc->sc_dev), __func__, offset, err)); 536 } 537 538 return err; 539 } 540 541 /* write register(s) */ 542 Static int 543 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) 544 { 545 usb_device_request_t req; 546 usbd_status err; 547 548 if (sc == NULL) 549 return 0; 550 551 DPRINTFN(0x200, 552 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 553 554 if (sc->sc_dying) 555 return 0; 556 557 offset &= 0xff; 558 len &= 0xff; 559 560 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 561 req.bRequest = UDAV_REQ_REG_WRITE; 562 USETW(req.wValue, 0x0000); 563 USETW(req.wIndex, offset); 564 USETW(req.wLength, len); 565 566 sc->sc_refcnt++; 567 err = usbd_do_request(sc->sc_udev, &req, buf); 568 if (--sc->sc_refcnt < 0) 569 usb_detach_wakeupold(sc->sc_dev); 570 if (err) { 571 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 572 device_xname(sc->sc_dev), __func__, offset, err)); 573 } 574 575 return err; 576 } 577 578 Static int 579 udav_csr_read1(struct udav_softc *sc, int offset) 580 { 581 uint8_t val = 0; 582 583 if (sc == NULL) 584 return 0; 585 586 DPRINTFN(0x200, 587 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 588 589 if (sc->sc_dying) 590 return 0; 591 592 return udav_csr_read(sc, offset, &val, 1) ? 0 : val; 593 } 594 595 /* write a register */ 596 Static int 597 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) 598 { 599 usb_device_request_t req; 600 usbd_status err; 601 602 if (sc == NULL) 603 return 0; 604 605 DPRINTFN(0x200, 606 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 607 608 if (sc->sc_dying) 609 return 0; 610 611 offset &= 0xff; 612 613 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 614 req.bRequest = UDAV_REQ_REG_WRITE1; 615 USETW(req.wValue, ch); 616 USETW(req.wIndex, offset); 617 USETW(req.wLength, 0x0000); 618 619 sc->sc_refcnt++; 620 err = usbd_do_request(sc->sc_udev, &req, NULL); 621 if (--sc->sc_refcnt < 0) 622 usb_detach_wakeupold(sc->sc_dev); 623 if (err) { 624 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 625 device_xname(sc->sc_dev), __func__, offset, err)); 626 } 627 628 return err; 629 } 630 631 Static int 632 udav_init(struct ifnet *ifp) 633 { 634 struct udav_softc *sc = ifp->if_softc; 635 struct mii_data *mii = GET_MII(sc); 636 uint8_t eaddr[ETHER_ADDR_LEN]; 637 int rc, s; 638 639 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 640 641 if (sc->sc_dying) 642 return EIO; 643 644 s = splnet(); 645 646 /* Cancel pending I/O and free all TX/RX buffers */ 647 udav_stop(ifp, 1); 648 649 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 650 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); 651 652 /* Initialize network control register */ 653 /* Disable loopback */ 654 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 655 656 /* Initialize RX control register */ 657 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 658 659 /* If we want promiscuous mode, accept all physical frames. */ 660 if (ifp->if_flags & IFF_PROMISC) 661 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 662 else 663 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 664 665 /* Load the multicast filter */ 666 udav_setmulti(sc); 667 668 /* Enable RX */ 669 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 670 671 /* clear POWER_DOWN state of internal PHY */ 672 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 673 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 674 675 if ((rc = mii_mediachg(mii)) == ENXIO) 676 rc = 0; 677 else if (rc != 0) 678 goto out; 679 680 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 681 if (udav_openpipes(sc)) { 682 splx(s); 683 return EIO; 684 } 685 } 686 687 /* Initialize transmit ring */ 688 if (udav_tx_list_init(sc)) { 689 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 690 splx(s); 691 return EIO; 692 } 693 694 /* Initialize receive ring */ 695 if (udav_rx_list_init(sc)) { 696 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 697 splx(s); 698 return EIO; 699 } 700 701 /* Start up the receive pipe. */ 702 for (size_t i = 0; i < UDAV_RX_LIST_CNT; i++) { 703 struct udav_chain *c = &sc->sc_cdata.udav_rx_chain[i]; 704 usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, UDAV_BUFSZ, 705 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, udav_rxeof); 706 (void)usbd_transfer(c->udav_xfer); 707 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 708 __func__)); 709 } 710 711 ifp->if_flags |= IFF_RUNNING; 712 ifp->if_flags &= ~IFF_OACTIVE; 713 714 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 715 716 out: 717 splx(s); 718 return rc; 719 } 720 721 Static void 722 udav_reset(struct udav_softc *sc) 723 { 724 int i; 725 726 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 727 728 if (sc->sc_dying) 729 return; 730 731 /* Select PHY */ 732 #if 1 733 /* 734 * XXX: force select internal phy. 735 * external phy routines are not tested. 736 */ 737 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 738 #else 739 if (sc->sc_flags & UDAV_EXT_PHY) { 740 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 741 } else { 742 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 743 } 744 #endif 745 746 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 747 748 for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 749 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 750 break; 751 delay(10); /* XXX */ 752 } 753 delay(10000); /* XXX */ 754 } 755 756 int 757 udav_activate(device_t self, enum devact act) 758 { 759 struct udav_softc *sc = device_private(self); 760 761 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 762 __func__, act)); 763 switch (act) { 764 case DVACT_DEACTIVATE: 765 if_deactivate(&sc->sc_ec.ec_if); 766 sc->sc_dying = 1; 767 return 0; 768 default: 769 return EOPNOTSUPP; 770 } 771 } 772 773 #define UDAV_BITS 6 774 775 #define UDAV_CALCHASH(addr) \ 776 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) 777 778 Static void 779 udav_setmulti(struct udav_softc *sc) 780 { 781 struct ifnet *ifp; 782 struct ether_multi *enm; 783 struct ether_multistep step; 784 uint8_t hashes[8]; 785 int h = 0; 786 787 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 788 789 if (sc->sc_dying) 790 return; 791 792 ifp = GET_IFP(sc); 793 794 if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { 795 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 796 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 797 return; 798 } 799 800 if (ifp->if_flags & IFF_PROMISC) { 801 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 802 return; 803 } else if (ifp->if_flags & IFF_ALLMULTI) { 804 allmulti: 805 ifp->if_flags |= IFF_ALLMULTI; 806 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 807 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 808 return; 809 } 810 811 /* first, zot all the existing hash bits */ 812 memset(hashes, 0x00, sizeof(hashes)); 813 hashes[7] |= 0x80; /* broadcast address */ 814 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 815 816 /* now program new ones */ 817 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 818 while (enm != NULL) { 819 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 820 ETHER_ADDR_LEN) != 0) 821 goto allmulti; 822 823 h = UDAV_CALCHASH(enm->enm_addrlo); 824 hashes[h>>3] |= 1 << (h & 0x7); 825 ETHER_NEXT_MULTI(step, enm); 826 } 827 828 /* disable all multicast */ 829 ifp->if_flags &= ~IFF_ALLMULTI; 830 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 831 832 /* write hash value to the register */ 833 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 834 } 835 836 Static int 837 udav_openpipes(struct udav_softc *sc) 838 { 839 usbd_status err; 840 int error = 0; 841 842 if (sc->sc_dying) 843 return EIO; 844 845 sc->sc_refcnt++; 846 847 /* Open RX pipe */ 848 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 849 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 850 if (err) { 851 printf("%s: open rx pipe failed: %s\n", 852 device_xname(sc->sc_dev), usbd_errstr(err)); 853 error = EIO; 854 goto done; 855 } 856 857 /* Open TX pipe */ 858 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 859 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 860 if (err) { 861 printf("%s: open tx pipe failed: %s\n", 862 device_xname(sc->sc_dev), usbd_errstr(err)); 863 error = EIO; 864 goto done; 865 } 866 867 #if 0 868 /* XXX: interrupt endpoint is not yet supported */ 869 /* Open Interrupt pipe */ 870 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 871 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 872 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, 873 udav_intr, USBD_DEFAULT_INTERVAL); 874 if (err) { 875 printf("%s: open intr pipe failed: %s\n", 876 device_xname(sc->sc_dev), usbd_errstr(err)); 877 error = EIO; 878 goto done; 879 } 880 #endif 881 done: 882 if (--sc->sc_refcnt < 0) 883 usb_detach_wakeupold(sc->sc_dev); 884 885 return error; 886 } 887 888 Static int 889 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) 890 { 891 struct mbuf *m_new = NULL; 892 893 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 894 895 if (m == NULL) { 896 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 897 if (m_new == NULL) { 898 printf("%s: no memory for rx list " 899 "-- packet dropped!\n", device_xname(sc->sc_dev)); 900 return ENOBUFS; 901 } 902 MCLGET(m_new, M_DONTWAIT); 903 if (!(m_new->m_flags & M_EXT)) { 904 printf("%s: no memory for rx list " 905 "-- packet dropped!\n", device_xname(sc->sc_dev)); 906 m_freem(m_new); 907 return ENOBUFS; 908 } 909 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 910 } else { 911 m_new = m; 912 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 913 m_new->m_data = m_new->m_ext.ext_buf; 914 } 915 916 m_adj(m_new, ETHER_ALIGN); 917 c->udav_mbuf = m_new; 918 919 return 0; 920 } 921 922 923 Static int 924 udav_rx_list_init(struct udav_softc *sc) 925 { 926 struct udav_cdata *cd; 927 struct udav_chain *c; 928 int i; 929 930 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 931 932 cd = &sc->sc_cdata; 933 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 934 c = &cd->udav_rx_chain[i]; 935 c->udav_sc = sc; 936 c->udav_idx = i; 937 if (udav_newbuf(sc, c, NULL) == ENOBUFS) 938 return ENOBUFS; 939 if (c->udav_xfer == NULL) { 940 int error = usbd_create_xfer(sc->sc_pipe_rx, UDAV_BUFSZ, 941 USBD_SHORT_XFER_OK, 0, &c->udav_xfer); 942 if (error) 943 return error; 944 c->udav_buf = usbd_get_buffer(c->udav_xfer); 945 } 946 } 947 948 return 0; 949 } 950 951 Static int 952 udav_tx_list_init(struct udav_softc *sc) 953 { 954 struct udav_cdata *cd; 955 struct udav_chain *c; 956 int i; 957 958 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 959 960 cd = &sc->sc_cdata; 961 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 962 c = &cd->udav_tx_chain[i]; 963 c->udav_sc = sc; 964 c->udav_idx = i; 965 c->udav_mbuf = NULL; 966 if (c->udav_xfer == NULL) { 967 int error = usbd_create_xfer(sc->sc_pipe_tx, UDAV_BUFSZ, 968 USBD_FORCE_SHORT_XFER, 0, &c->udav_xfer); 969 if (error) 970 return error; 971 c->udav_buf = usbd_get_buffer(c->udav_xfer); 972 } 973 } 974 975 return 0; 976 } 977 978 Static void 979 udav_start(struct ifnet *ifp) 980 { 981 struct udav_softc *sc = ifp->if_softc; 982 struct mbuf *m_head = NULL; 983 984 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 985 __func__, sc->sc_link)); 986 987 if (sc->sc_dying) 988 return; 989 990 if (!sc->sc_link) 991 return; 992 993 if (ifp->if_flags & IFF_OACTIVE) 994 return; 995 996 IFQ_POLL(&ifp->if_snd, m_head); 997 if (m_head == NULL) 998 return; 999 1000 if (udav_send(sc, m_head, 0)) { 1001 ifp->if_flags |= IFF_OACTIVE; 1002 return; 1003 } 1004 1005 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1006 1007 bpf_mtap(ifp, m_head); 1008 1009 ifp->if_flags |= IFF_OACTIVE; 1010 1011 /* Set a timeout in case the chip goes out to lunch. */ 1012 ifp->if_timer = 5; 1013 } 1014 1015 Static int 1016 udav_send(struct udav_softc *sc, struct mbuf *m, int idx) 1017 { 1018 int total_len; 1019 struct udav_chain *c; 1020 usbd_status err; 1021 1022 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1023 1024 c = &sc->sc_cdata.udav_tx_chain[idx]; 1025 1026 /* Copy the mbuf data into a contiguous buffer */ 1027 /* first 2 bytes are packet length */ 1028 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); 1029 c->udav_mbuf = m; 1030 total_len = m->m_pkthdr.len; 1031 if (total_len < UDAV_MIN_FRAME_LEN) { 1032 memset(c->udav_buf + 2 + total_len, 0, 1033 UDAV_MIN_FRAME_LEN - total_len); 1034 total_len = UDAV_MIN_FRAME_LEN; 1035 } 1036 1037 /* Frame length is specified in the first 2bytes of the buffer */ 1038 c->udav_buf[0] = (uint8_t)total_len; 1039 c->udav_buf[1] = (uint8_t)(total_len >> 8); 1040 total_len += 2; 1041 1042 usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, total_len, 1043 USBD_FORCE_SHORT_XFER, UDAV_TX_TIMEOUT, udav_txeof); 1044 1045 /* Transmit */ 1046 sc->sc_refcnt++; 1047 err = usbd_transfer(c->udav_xfer); 1048 if (--sc->sc_refcnt < 0) 1049 usb_detach_wakeupold(sc->sc_dev); 1050 if (err != USBD_IN_PROGRESS) { 1051 printf("%s: udav_send error=%s\n", device_xname(sc->sc_dev), 1052 usbd_errstr(err)); 1053 /* Stop the interface */ 1054 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 1055 USB_TASKQ_DRIVER); 1056 return EIO; 1057 } 1058 1059 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 1060 __func__, total_len)); 1061 1062 sc->sc_cdata.udav_tx_cnt++; 1063 1064 return 0; 1065 } 1066 1067 Static void 1068 udav_txeof(struct usbd_xfer *xfer, void *priv, 1069 usbd_status status) 1070 { 1071 struct udav_chain *c = priv; 1072 struct udav_softc *sc = c->udav_sc; 1073 struct ifnet *ifp = GET_IFP(sc); 1074 int s; 1075 1076 if (sc->sc_dying) 1077 return; 1078 1079 s = splnet(); 1080 1081 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1082 1083 ifp->if_timer = 0; 1084 ifp->if_flags &= ~IFF_OACTIVE; 1085 1086 if (status != USBD_NORMAL_COMPLETION) { 1087 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1088 splx(s); 1089 return; 1090 } 1091 ifp->if_oerrors++; 1092 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 1093 usbd_errstr(status)); 1094 if (status == USBD_STALLED) { 1095 sc->sc_refcnt++; 1096 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 1097 if (--sc->sc_refcnt < 0) 1098 usb_detach_wakeupold(sc->sc_dev); 1099 } 1100 splx(s); 1101 return; 1102 } 1103 1104 ifp->if_opackets++; 1105 1106 m_freem(c->udav_mbuf); 1107 c->udav_mbuf = NULL; 1108 1109 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1110 udav_start(ifp); 1111 1112 splx(s); 1113 } 1114 1115 Static void 1116 udav_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1117 { 1118 struct udav_chain *c = priv; 1119 struct udav_softc *sc = c->udav_sc; 1120 struct ifnet *ifp = GET_IFP(sc); 1121 struct mbuf *m; 1122 uint32_t total_len; 1123 uint8_t *pktstat; 1124 int s; 1125 1126 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1127 1128 if (sc->sc_dying) 1129 return; 1130 1131 if (status != USBD_NORMAL_COMPLETION) { 1132 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1133 return; 1134 sc->sc_rx_errs++; 1135 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1136 printf("%s: %u usb errors on rx: %s\n", 1137 device_xname(sc->sc_dev), sc->sc_rx_errs, 1138 usbd_errstr(status)); 1139 sc->sc_rx_errs = 0; 1140 } 1141 if (status == USBD_STALLED) { 1142 sc->sc_refcnt++; 1143 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1144 if (--sc->sc_refcnt < 0) 1145 usb_detach_wakeupold(sc->sc_dev); 1146 } 1147 goto done; 1148 } 1149 1150 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1151 1152 /* copy data to mbuf */ 1153 m = c->udav_mbuf; 1154 memcpy(mtod(m, char *), c->udav_buf, total_len); 1155 1156 /* first byte in received data */ 1157 pktstat = mtod(m, uint8_t *); 1158 m_adj(m, sizeof(uint8_t)); 1159 DPRINTF(("%s: RX Status: 0x%02x\n", device_xname(sc->sc_dev), 1160 *pktstat)); 1161 1162 total_len = UGETW(mtod(m, uint8_t *)); 1163 m_adj(m, sizeof(uint16_t)); 1164 1165 if (*pktstat & UDAV_RSR_LCS) { 1166 ifp->if_collisions++; 1167 goto done; 1168 } 1169 1170 if (total_len < sizeof(struct ether_header) || 1171 *pktstat & UDAV_RSR_ERR) { 1172 ifp->if_ierrors++; 1173 goto done; 1174 } 1175 1176 ifp->if_ipackets++; 1177 total_len -= ETHER_CRC_LEN; 1178 1179 m->m_pkthdr.len = m->m_len = total_len; 1180 m->m_pkthdr.rcvif = ifp; 1181 1182 s = splnet(); 1183 1184 if (udav_newbuf(sc, c, NULL) == ENOBUFS) { 1185 ifp->if_ierrors++; 1186 goto done1; 1187 } 1188 1189 bpf_mtap(ifp, m); 1190 1191 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1192 __func__, m->m_len)); 1193 if_percpuq_enqueue((ifp)->if_percpuq, (m)); 1194 1195 done1: 1196 splx(s); 1197 1198 done: 1199 /* Setup new transfer */ 1200 usbd_setup_xfer(xfer, c, c->udav_buf, UDAV_BUFSZ, USBD_SHORT_XFER_OK, 1201 USBD_NO_TIMEOUT, udav_rxeof); 1202 sc->sc_refcnt++; 1203 usbd_transfer(xfer); 1204 if (--sc->sc_refcnt < 0) 1205 usb_detach_wakeupold(sc->sc_dev); 1206 1207 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1208 } 1209 1210 #if 0 1211 Static void udav_intr(void) 1212 { 1213 } 1214 #endif 1215 1216 Static int 1217 udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1218 { 1219 struct udav_softc *sc = ifp->if_softc; 1220 int s, error = 0; 1221 1222 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1223 1224 if (sc->sc_dying) 1225 return EIO; 1226 1227 s = splnet(); 1228 1229 error = ether_ioctl(ifp, cmd, data); 1230 if (error == ENETRESET) { 1231 if (ifp->if_flags & IFF_RUNNING) 1232 udav_setmulti(sc); 1233 error = 0; 1234 } 1235 1236 splx(s); 1237 1238 return error; 1239 } 1240 1241 Static void 1242 udav_watchdog(struct ifnet *ifp) 1243 { 1244 struct udav_softc *sc = ifp->if_softc; 1245 struct udav_chain *c; 1246 usbd_status stat; 1247 int s; 1248 1249 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1250 1251 ifp->if_oerrors++; 1252 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1253 1254 s = splusb(); 1255 c = &sc->sc_cdata.udav_tx_chain[0]; 1256 usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); 1257 udav_txeof(c->udav_xfer, c, stat); 1258 1259 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1260 udav_start(ifp); 1261 splx(s); 1262 } 1263 1264 Static void 1265 udav_stop_task(struct udav_softc *sc) 1266 { 1267 udav_stop(GET_IFP(sc), 1); 1268 } 1269 1270 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1271 Static void 1272 udav_stop(struct ifnet *ifp, int disable) 1273 { 1274 struct udav_softc *sc = ifp->if_softc; 1275 usbd_status err; 1276 int i; 1277 1278 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1279 1280 ifp->if_timer = 0; 1281 1282 udav_reset(sc); 1283 1284 callout_stop(&sc->sc_stat_ch); 1285 1286 /* Stop transfers */ 1287 /* RX endpoint */ 1288 if (sc->sc_pipe_rx != NULL) { 1289 err = usbd_abort_pipe(sc->sc_pipe_rx); 1290 if (err) 1291 printf("%s: abort rx pipe failed: %s\n", 1292 device_xname(sc->sc_dev), usbd_errstr(err)); 1293 } 1294 1295 /* TX endpoint */ 1296 if (sc->sc_pipe_tx != NULL) { 1297 err = usbd_abort_pipe(sc->sc_pipe_tx); 1298 if (err) 1299 printf("%s: abort tx pipe failed: %s\n", 1300 device_xname(sc->sc_dev), usbd_errstr(err)); 1301 } 1302 1303 #if 0 1304 /* XXX: Interrupt endpoint is not yet supported!! */ 1305 /* Interrupt endpoint */ 1306 if (sc->sc_pipe_intr != NULL) { 1307 err = usbd_abort_pipe(sc->sc_pipe_intr); 1308 if (err) 1309 printf("%s: abort intr pipe failed: %s\n", 1310 device_xname(sc->sc_dev), usbd_errstr(err)); 1311 err = usbd_close_pipe(sc->sc_pipe_intr); 1312 if (err) 1313 printf("%s: close intr pipe failed: %s\n", 1314 device_xname(sc->sc_dev), usbd_errstr(err)); 1315 sc->sc_pipe_intr = NULL; 1316 } 1317 #endif 1318 1319 /* Free RX resources. */ 1320 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 1321 if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { 1322 m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); 1323 sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; 1324 } 1325 if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { 1326 usbd_destroy_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); 1327 sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; 1328 } 1329 } 1330 1331 /* Free TX resources. */ 1332 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 1333 if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { 1334 m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); 1335 sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; 1336 } 1337 if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { 1338 usbd_destroy_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); 1339 sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; 1340 } 1341 } 1342 1343 /* Close pipes */ 1344 /* RX endpoint */ 1345 if (sc->sc_pipe_rx != NULL) { 1346 err = usbd_close_pipe(sc->sc_pipe_rx); 1347 if (err) 1348 printf("%s: close rx pipe failed: %s\n", 1349 device_xname(sc->sc_dev), usbd_errstr(err)); 1350 sc->sc_pipe_rx = NULL; 1351 } 1352 1353 /* TX endpoint */ 1354 if (sc->sc_pipe_tx != NULL) { 1355 err = usbd_close_pipe(sc->sc_pipe_tx); 1356 if (err) 1357 printf("%s: close tx pipe failed: %s\n", 1358 device_xname(sc->sc_dev), usbd_errstr(err)); 1359 sc->sc_pipe_tx = NULL; 1360 } 1361 1362 if (!ISSET(sc->sc_flags, UDAV_NO_PHY)) 1363 sc->sc_link = 0; 1364 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1365 } 1366 1367 /* Set media options */ 1368 Static int 1369 udav_ifmedia_change(struct ifnet *ifp) 1370 { 1371 struct udav_softc *sc = ifp->if_softc; 1372 struct mii_data *mii = GET_MII(sc); 1373 int rc; 1374 1375 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1376 1377 if (sc->sc_dying) 1378 return 0; 1379 1380 sc->sc_link = 0; 1381 if ((rc = mii_mediachg(mii)) == ENXIO) 1382 return 0; 1383 return rc; 1384 } 1385 1386 /* Report current media status. */ 1387 Static void 1388 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1389 { 1390 struct udav_softc *sc = ifp->if_softc; 1391 1392 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1393 1394 if (sc->sc_dying) 1395 return; 1396 1397 ether_mediastatus(ifp, ifmr); 1398 } 1399 1400 Static void 1401 udav_tick(void *xsc) 1402 { 1403 struct udav_softc *sc = xsc; 1404 1405 if (sc == NULL) 1406 return; 1407 1408 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1409 __func__)); 1410 1411 if (sc->sc_dying) 1412 return; 1413 1414 /* Perform periodic stuff in process context */ 1415 usb_add_task(sc->sc_udev, &sc->sc_tick_task, 1416 USB_TASKQ_DRIVER); 1417 } 1418 1419 Static void 1420 udav_tick_task(void *xsc) 1421 { 1422 struct udav_softc *sc = xsc; 1423 struct ifnet *ifp; 1424 struct mii_data *mii; 1425 int s; 1426 1427 if (sc == NULL) 1428 return; 1429 1430 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1431 __func__)); 1432 1433 if (sc->sc_dying) 1434 return; 1435 1436 ifp = GET_IFP(sc); 1437 mii = GET_MII(sc); 1438 1439 if (mii == NULL) 1440 return; 1441 1442 s = splnet(); 1443 1444 mii_tick(mii); 1445 if (!sc->sc_link) { 1446 mii_pollstat(mii); 1447 if (mii->mii_media_status & IFM_ACTIVE && 1448 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1449 DPRINTF(("%s: %s: got link\n", 1450 device_xname(sc->sc_dev), __func__)); 1451 sc->sc_link++; 1452 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1453 udav_start(ifp); 1454 } 1455 } 1456 1457 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 1458 1459 splx(s); 1460 } 1461 1462 /* Get exclusive access to the MII registers */ 1463 Static void 1464 udav_lock_mii(struct udav_softc *sc) 1465 { 1466 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1467 __func__)); 1468 1469 sc->sc_refcnt++; 1470 mutex_enter(&sc->sc_mii_lock); 1471 } 1472 1473 Static void 1474 udav_unlock_mii(struct udav_softc *sc) 1475 { 1476 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1477 __func__)); 1478 1479 mutex_exit(&sc->sc_mii_lock); 1480 if (--sc->sc_refcnt < 0) 1481 usb_detach_wakeupold(sc->sc_dev); 1482 } 1483 1484 Static int 1485 udav_miibus_readreg(device_t dev, int phy, int reg) 1486 { 1487 struct udav_softc *sc; 1488 uint8_t val[2]; 1489 uint16_t data16; 1490 1491 if (dev == NULL) 1492 return 0; 1493 1494 sc = device_private(dev); 1495 1496 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1497 device_xname(sc->sc_dev), __func__, phy, reg)); 1498 1499 if (sc->sc_dying) { 1500 #ifdef DIAGNOSTIC 1501 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1502 __func__); 1503 #endif 1504 return 0; 1505 } 1506 1507 /* XXX: one PHY only for the internal PHY */ 1508 if (phy != 0) { 1509 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1510 device_xname(sc->sc_dev), __func__, phy)); 1511 return 0; 1512 } 1513 1514 udav_lock_mii(sc); 1515 1516 /* select internal PHY and set PHY register address */ 1517 udav_csr_write1(sc, UDAV_EPAR, 1518 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1519 1520 /* select PHY operation and start read command */ 1521 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 1522 1523 /* XXX: should be wait? */ 1524 1525 /* end read command */ 1526 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 1527 1528 /* retrieve the result from data registers */ 1529 udav_csr_read(sc, UDAV_EPDRL, val, 2); 1530 1531 udav_unlock_mii(sc); 1532 1533 data16 = val[0] | (val[1] << 8); 1534 1535 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1536 device_xname(sc->sc_dev), __func__, phy, reg, data16)); 1537 1538 return data16; 1539 } 1540 1541 Static void 1542 udav_miibus_writereg(device_t dev, int phy, int reg, int data) 1543 { 1544 struct udav_softc *sc; 1545 uint8_t val[2]; 1546 1547 if (dev == NULL) 1548 return; 1549 1550 sc = device_private(dev); 1551 1552 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1553 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1554 1555 if (sc->sc_dying) { 1556 #ifdef DIAGNOSTIC 1557 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1558 __func__); 1559 #endif 1560 return; 1561 } 1562 1563 /* XXX: one PHY only for the internal PHY */ 1564 if (phy != 0) { 1565 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1566 device_xname(sc->sc_dev), __func__, phy)); 1567 return; 1568 } 1569 1570 udav_lock_mii(sc); 1571 1572 /* select internal PHY and set PHY register address */ 1573 udav_csr_write1(sc, UDAV_EPAR, 1574 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1575 1576 /* put the value to the data registers */ 1577 val[0] = data & 0xff; 1578 val[1] = (data >> 8) & 0xff; 1579 udav_csr_write(sc, UDAV_EPDRL, val, 2); 1580 1581 /* select PHY operation and start write command */ 1582 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 1583 1584 /* XXX: should be wait? */ 1585 1586 /* end write command */ 1587 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 1588 1589 udav_unlock_mii(sc); 1590 1591 return; 1592 } 1593 1594 Static void 1595 udav_miibus_statchg(struct ifnet *ifp) 1596 { 1597 #ifdef UDAV_DEBUG 1598 1599 if (ifp == NULL) 1600 return; 1601 1602 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1603 #endif 1604 /* Nothing to do */ 1605 } 1606