1 /* $NetBSD: if_udav.c,v 1.51 2017/01/12 18:26:08 maya 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 1.51 2017/01/12 18:26:08 maya Exp $"); 49 50 #ifdef _KERNEL_OPT 51 #include "opt_inet.h" 52 #include "opt_usb.h" 53 #endif 54 55 #include <sys/param.h> 56 #include <sys/systm.h> 57 #include <sys/mutex.h> 58 #include <sys/mbuf.h> 59 #include <sys/kernel.h> 60 #include <sys/socket.h> 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 80 #include <dev/usb/usb.h> 81 #include <dev/usb/usbdi.h> 82 #include <dev/usb/usbdi_util.h> 83 #include <dev/usb/usbdevs.h> 84 85 #include <dev/usb/if_udavreg.h> 86 87 88 /* Function declarations */ 89 int udav_match(device_t, cfdata_t, void *); 90 void udav_attach(device_t, device_t, void *); 91 int udav_detach(device_t, int); 92 int udav_activate(device_t, enum devact); 93 extern struct cfdriver udav_cd; 94 CFATTACH_DECL_NEW(udav, sizeof(struct udav_softc), udav_match, udav_attach, 95 udav_detach, udav_activate); 96 97 Static int udav_openpipes(struct udav_softc *); 98 Static int udav_rx_list_init(struct udav_softc *); 99 Static int udav_tx_list_init(struct udav_softc *); 100 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); 101 Static void udav_start(struct ifnet *); 102 Static int udav_send(struct udav_softc *, struct mbuf *, int); 103 Static void udav_txeof(struct usbd_xfer *, void *, usbd_status); 104 Static void udav_rxeof(struct usbd_xfer *, void *, usbd_status); 105 Static void udav_tick(void *); 106 Static void udav_tick_task(void *); 107 Static int udav_ioctl(struct ifnet *, u_long, void *); 108 Static void udav_stop_task(struct udav_softc *); 109 Static void udav_stop(struct ifnet *, int); 110 Static void udav_watchdog(struct ifnet *); 111 Static int udav_ifmedia_change(struct ifnet *); 112 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 113 Static void udav_lock_mii(struct udav_softc *); 114 Static void udav_unlock_mii(struct udav_softc *); 115 Static int udav_miibus_readreg(device_t, int, int); 116 Static void udav_miibus_writereg(device_t, int, int, int); 117 Static void udav_miibus_statchg(struct ifnet *); 118 Static int udav_init(struct ifnet *); 119 Static void udav_setmulti(struct udav_softc *); 120 Static void udav_reset(struct udav_softc *); 121 122 Static int udav_csr_read(struct udav_softc *, int, void *, int); 123 Static int udav_csr_write(struct udav_softc *, int, void *, int); 124 Static int udav_csr_read1(struct udav_softc *, int); 125 Static int udav_csr_write1(struct udav_softc *, int, unsigned char); 126 127 #if 0 128 Static int udav_mem_read(struct udav_softc *, int, void *, int); 129 Static int udav_mem_write(struct udav_softc *, int, void *, int); 130 Static int udav_mem_write1(struct udav_softc *, int, unsigned char); 131 #endif 132 133 /* Macros */ 134 #ifdef UDAV_DEBUG 135 #define DPRINTF(x) if (udavdebug) printf x 136 #define DPRINTFN(n,x) if (udavdebug >= (n)) printf x 137 int udavdebug = 0; 138 #else 139 #define DPRINTF(x) 140 #define DPRINTFN(n,x) 141 #endif 142 143 #define UDAV_SETBIT(sc, reg, x) \ 144 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 145 146 #define UDAV_CLRBIT(sc, reg, x) \ 147 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 148 149 static const struct udav_type { 150 struct usb_devno udav_dev; 151 uint16_t udav_flags; 152 #define UDAV_EXT_PHY 0x0001 153 #define UDAV_NO_PHY 0x0002 154 } udav_devs [] = { 155 /* Corega USB-TXC */ 156 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, 157 /* ShanTou ST268 USB NIC */ 158 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, 159 /* ShanTou ADM8515 */ 160 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, 161 /* SUNRISING SR9600 */ 162 {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_SR9600 }, 0 }, 163 /* SUNRISING QF9700 */ 164 {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_QF9700 }, UDAV_NO_PHY }, 165 /* QUAN DM9601 */ 166 {{USB_VENDOR_QUAN, USB_PRODUCT_QUAN_DM9601 }, 0}, 167 #if 0 168 /* DAVICOM DM9601 Generic? */ 169 /* XXX: The following ids was obtained from the data sheet. */ 170 {{ 0x0a46, 0x9601 }, 0}, 171 #endif 172 }; 173 #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) 174 175 176 /* Probe */ 177 int 178 udav_match(device_t parent, cfdata_t match, void *aux) 179 { 180 struct usb_attach_arg *uaa = aux; 181 182 return udav_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 183 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 184 } 185 186 /* Attach */ 187 void 188 udav_attach(device_t parent, device_t self, void *aux) 189 { 190 struct udav_softc *sc = device_private(self); 191 struct usb_attach_arg *uaa = aux; 192 struct usbd_device *dev = uaa->uaa_device; 193 struct usbd_interface *iface; 194 usbd_status err; 195 usb_interface_descriptor_t *id; 196 usb_endpoint_descriptor_t *ed; 197 char *devinfop; 198 struct ifnet *ifp; 199 struct mii_data *mii; 200 u_char eaddr[ETHER_ADDR_LEN]; 201 int i, s; 202 203 sc->sc_dev = self; 204 205 aprint_naive("\n"); 206 aprint_normal("\n"); 207 208 devinfop = usbd_devinfo_alloc(dev, 0); 209 aprint_normal_dev(self, "%s\n", devinfop); 210 usbd_devinfo_free(devinfop); 211 212 /* Move the device into the configured state. */ 213 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ 214 if (err) { 215 aprint_error_dev(self, "failed to set configuration" 216 ", err=%s\n", usbd_errstr(err)); 217 goto bad; 218 } 219 220 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc, 0); 221 mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); 222 usb_init_task(&sc->sc_stop_task, (void (*)(void *))udav_stop_task, sc, 223 0); 224 225 /* get control interface */ 226 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); 227 if (err) { 228 aprint_error_dev(self, "failed to get interface, err=%s\n", 229 usbd_errstr(err)); 230 goto bad; 231 } 232 233 sc->sc_udev = dev; 234 sc->sc_ctl_iface = iface; 235 sc->sc_flags = udav_lookup(uaa->uaa_vendor, 236 uaa->uaa_product)->udav_flags; 237 238 /* get interface descriptor */ 239 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 240 241 /* find endpoints */ 242 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 243 for (i = 0; i < id->bNumEndpoints; i++) { 244 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 245 if (ed == NULL) { 246 aprint_error_dev(self, "couldn't get endpoint %d\n", i); 247 goto bad; 248 } 249 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 250 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 251 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 252 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 253 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 254 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 255 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 256 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 257 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 258 } 259 260 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 261 sc->sc_intrin_no == -1) { 262 aprint_error_dev(self, "missing endpoint\n"); 263 goto bad; 264 } 265 266 s = splnet(); 267 268 /* reset the adapter */ 269 udav_reset(sc); 270 271 /* Get Ethernet Address */ 272 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); 273 if (err) { 274 aprint_error_dev(self, "read MAC address failed\n"); 275 splx(s); 276 goto bad; 277 } 278 279 /* Print Ethernet Address */ 280 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 281 282 /* initialize interface information */ 283 ifp = GET_IFP(sc); 284 ifp->if_softc = sc; 285 ifp->if_mtu = ETHERMTU; 286 strlcpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 287 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 288 ifp->if_start = udav_start; 289 ifp->if_ioctl = udav_ioctl; 290 ifp->if_watchdog = udav_watchdog; 291 ifp->if_init = udav_init; 292 ifp->if_stop = udav_stop; 293 294 IFQ_SET_READY(&ifp->if_snd); 295 296 if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { 297 sc->sc_link = 1; 298 goto skipmii; 299 } 300 301 /* 302 * Do ifmedia setup. 303 */ 304 mii = &sc->sc_mii; 305 mii->mii_ifp = ifp; 306 mii->mii_readreg = udav_miibus_readreg; 307 mii->mii_writereg = udav_miibus_writereg; 308 mii->mii_statchg = udav_miibus_statchg; 309 mii->mii_flags = MIIF_AUTOTSLEEP; 310 sc->sc_ec.ec_mii = mii; 311 ifmedia_init(&mii->mii_media, 0, 312 udav_ifmedia_change, udav_ifmedia_status); 313 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 314 if (LIST_FIRST(&mii->mii_phys) == NULL) { 315 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 316 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 317 } else 318 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 319 320 skipmii: 321 /* attach the interface */ 322 if_attach(ifp); 323 ether_ifattach(ifp, eaddr); 324 325 rnd_attach_source(&sc->rnd_source, device_xname(self), 326 RND_TYPE_NET, RND_FLAG_DEFAULT); 327 328 callout_init(&sc->sc_stat_ch, 0); 329 sc->sc_attached = 1; 330 splx(s); 331 332 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 333 334 return; 335 336 bad: 337 sc->sc_dying = 1; 338 return; 339 } 340 341 /* detach */ 342 int 343 udav_detach(device_t self, int flags) 344 { 345 struct udav_softc *sc = device_private(self); 346 struct ifnet *ifp = GET_IFP(sc); 347 int s; 348 349 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 350 351 /* Detached before attached finished */ 352 if (!sc->sc_attached) 353 return 0; 354 355 callout_stop(&sc->sc_stat_ch); 356 357 /* Remove any pending tasks */ 358 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 359 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 360 361 s = splusb(); 362 363 if (--sc->sc_refcnt >= 0) { 364 /* Wait for processes to go away */ 365 usb_detach_waitold(sc->sc_dev); 366 } 367 if (ifp->if_flags & IFF_RUNNING) 368 udav_stop(GET_IFP(sc), 1); 369 370 rnd_detach_source(&sc->rnd_source); 371 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 372 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 373 ether_ifdetach(ifp); 374 if_detach(ifp); 375 376 #ifdef DIAGNOSTIC 377 if (sc->sc_pipe_tx != NULL) 378 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 379 if (sc->sc_pipe_rx != NULL) 380 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 381 if (sc->sc_pipe_intr != NULL) 382 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 383 #endif 384 sc->sc_attached = 0; 385 386 splx(s); 387 388 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 389 390 mutex_destroy(&sc->sc_mii_lock); 391 392 return 0; 393 } 394 395 #if 0 396 /* read memory */ 397 Static int 398 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) 399 { 400 usb_device_request_t req; 401 usbd_status err; 402 403 if (sc == NULL) 404 return 0; 405 406 DPRINTFN(0x200, 407 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 408 409 if (sc->sc_dying) 410 return 0; 411 412 offset &= 0xffff; 413 len &= 0xff; 414 415 req.bmRequestType = UT_READ_VENDOR_DEVICE; 416 req.bRequest = UDAV_REQ_MEM_READ; 417 USETW(req.wValue, 0x0000); 418 USETW(req.wIndex, offset); 419 USETW(req.wLength, len); 420 421 sc->sc_refcnt++; 422 err = usbd_do_request(sc->sc_udev, &req, buf); 423 if (--sc->sc_refcnt < 0) 424 usb_detach_wakeupold(sc->sc_dev); 425 if (err) { 426 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 427 device_xname(sc->sc_dev), __func__, offset, err)); 428 } 429 430 return err; 431 } 432 433 /* write memory */ 434 Static int 435 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) 436 { 437 usb_device_request_t req; 438 usbd_status err; 439 440 if (sc == NULL) 441 return 0; 442 443 DPRINTFN(0x200, 444 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 445 446 if (sc->sc_dying) 447 return 0; 448 449 offset &= 0xffff; 450 len &= 0xff; 451 452 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 453 req.bRequest = UDAV_REQ_MEM_WRITE; 454 USETW(req.wValue, 0x0000); 455 USETW(req.wIndex, offset); 456 USETW(req.wLength, len); 457 458 sc->sc_refcnt++; 459 err = usbd_do_request(sc->sc_udev, &req, buf); 460 if (--sc->sc_refcnt < 0) 461 usb_detach_wakeupold(sc->sc_dev); 462 if (err) { 463 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 464 device_xname(sc->sc_dev), __func__, offset, err)); 465 } 466 467 return err; 468 } 469 470 /* write memory */ 471 Static int 472 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) 473 { 474 usb_device_request_t req; 475 usbd_status err; 476 477 if (sc == NULL) 478 return 0; 479 480 DPRINTFN(0x200, 481 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 482 483 if (sc->sc_dying) 484 return 0; 485 486 offset &= 0xffff; 487 488 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 489 req.bRequest = UDAV_REQ_MEM_WRITE1; 490 USETW(req.wValue, ch); 491 USETW(req.wIndex, offset); 492 USETW(req.wLength, 0x0000); 493 494 sc->sc_refcnt++; 495 err = usbd_do_request(sc->sc_udev, &req, NULL); 496 if (--sc->sc_refcnt < 0) 497 usb_detach_wakeupold(sc->sc_dev); 498 if (err) { 499 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 500 device_xname(sc->sc_dev), __func__, offset, err)); 501 } 502 503 return err; 504 } 505 #endif 506 507 /* read register(s) */ 508 Static int 509 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) 510 { 511 usb_device_request_t req; 512 usbd_status err; 513 514 if (sc == NULL) 515 return 0; 516 517 DPRINTFN(0x200, 518 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 519 520 if (sc->sc_dying) 521 return 0; 522 523 offset &= 0xff; 524 len &= 0xff; 525 526 req.bmRequestType = UT_READ_VENDOR_DEVICE; 527 req.bRequest = UDAV_REQ_REG_READ; 528 USETW(req.wValue, 0x0000); 529 USETW(req.wIndex, offset); 530 USETW(req.wLength, len); 531 532 sc->sc_refcnt++; 533 err = usbd_do_request(sc->sc_udev, &req, buf); 534 if (--sc->sc_refcnt < 0) 535 usb_detach_wakeupold(sc->sc_dev); 536 if (err) { 537 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 538 device_xname(sc->sc_dev), __func__, offset, err)); 539 } 540 541 return err; 542 } 543 544 /* write register(s) */ 545 Static int 546 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) 547 { 548 usb_device_request_t req; 549 usbd_status err; 550 551 if (sc == NULL) 552 return 0; 553 554 DPRINTFN(0x200, 555 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 556 557 if (sc->sc_dying) 558 return 0; 559 560 offset &= 0xff; 561 len &= 0xff; 562 563 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 564 req.bRequest = UDAV_REQ_REG_WRITE; 565 USETW(req.wValue, 0x0000); 566 USETW(req.wIndex, offset); 567 USETW(req.wLength, len); 568 569 sc->sc_refcnt++; 570 err = usbd_do_request(sc->sc_udev, &req, buf); 571 if (--sc->sc_refcnt < 0) 572 usb_detach_wakeupold(sc->sc_dev); 573 if (err) { 574 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 575 device_xname(sc->sc_dev), __func__, offset, err)); 576 } 577 578 return err; 579 } 580 581 Static int 582 udav_csr_read1(struct udav_softc *sc, int offset) 583 { 584 uint8_t val = 0; 585 586 if (sc == NULL) 587 return 0; 588 589 DPRINTFN(0x200, 590 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 591 592 if (sc->sc_dying) 593 return 0; 594 595 return udav_csr_read(sc, offset, &val, 1) ? 0 : val; 596 } 597 598 /* write a register */ 599 Static int 600 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) 601 { 602 usb_device_request_t req; 603 usbd_status err; 604 605 if (sc == NULL) 606 return 0; 607 608 DPRINTFN(0x200, 609 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 610 611 if (sc->sc_dying) 612 return 0; 613 614 offset &= 0xff; 615 616 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 617 req.bRequest = UDAV_REQ_REG_WRITE1; 618 USETW(req.wValue, ch); 619 USETW(req.wIndex, offset); 620 USETW(req.wLength, 0x0000); 621 622 sc->sc_refcnt++; 623 err = usbd_do_request(sc->sc_udev, &req, NULL); 624 if (--sc->sc_refcnt < 0) 625 usb_detach_wakeupold(sc->sc_dev); 626 if (err) { 627 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 628 device_xname(sc->sc_dev), __func__, offset, err)); 629 } 630 631 return err; 632 } 633 634 Static int 635 udav_init(struct ifnet *ifp) 636 { 637 struct udav_softc *sc = ifp->if_softc; 638 struct mii_data *mii = GET_MII(sc); 639 uint8_t eaddr[ETHER_ADDR_LEN]; 640 int rc, s; 641 642 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 643 644 if (sc->sc_dying) 645 return EIO; 646 647 s = splnet(); 648 649 /* Cancel pending I/O and free all TX/RX buffers */ 650 udav_stop(ifp, 1); 651 652 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 653 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); 654 655 /* Initialize network control register */ 656 /* Disable loopback */ 657 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 658 659 /* Initialize RX control register */ 660 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 661 662 /* If we want promiscuous mode, accept all physical frames. */ 663 if (ifp->if_flags & IFF_PROMISC) 664 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 665 else 666 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 667 668 /* Load the multicast filter */ 669 udav_setmulti(sc); 670 671 /* Enable RX */ 672 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 673 674 /* clear POWER_DOWN state of internal PHY */ 675 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 676 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 677 678 if ((rc = mii_mediachg(mii)) == ENXIO) 679 rc = 0; 680 else if (rc != 0) 681 goto out; 682 683 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 684 if (udav_openpipes(sc)) { 685 splx(s); 686 return EIO; 687 } 688 } 689 690 /* Initialize transmit ring */ 691 if (udav_tx_list_init(sc)) { 692 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 693 splx(s); 694 return EIO; 695 } 696 697 /* Initialize receive ring */ 698 if (udav_rx_list_init(sc)) { 699 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 700 splx(s); 701 return EIO; 702 } 703 704 /* Start up the receive pipe. */ 705 for (size_t i = 0; i < UDAV_RX_LIST_CNT; i++) { 706 struct udav_chain *c = &sc->sc_cdata.udav_rx_chain[i]; 707 usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, UDAV_BUFSZ, 708 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, udav_rxeof); 709 (void)usbd_transfer(c->udav_xfer); 710 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 711 __func__)); 712 } 713 714 ifp->if_flags |= IFF_RUNNING; 715 ifp->if_flags &= ~IFF_OACTIVE; 716 717 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 718 719 out: 720 splx(s); 721 return rc; 722 } 723 724 Static void 725 udav_reset(struct udav_softc *sc) 726 { 727 int i; 728 729 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 730 731 if (sc->sc_dying) 732 return; 733 734 /* Select PHY */ 735 #if 1 736 /* 737 * XXX: force select internal phy. 738 * external phy routines are not tested. 739 */ 740 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 741 #else 742 if (sc->sc_flags & UDAV_EXT_PHY) { 743 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 744 } else { 745 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 746 } 747 #endif 748 749 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 750 751 for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 752 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 753 break; 754 delay(10); /* XXX */ 755 } 756 delay(10000); /* XXX */ 757 } 758 759 int 760 udav_activate(device_t self, enum devact act) 761 { 762 struct udav_softc *sc = device_private(self); 763 764 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 765 __func__, act)); 766 switch (act) { 767 case DVACT_DEACTIVATE: 768 if_deactivate(&sc->sc_ec.ec_if); 769 sc->sc_dying = 1; 770 return 0; 771 default: 772 return EOPNOTSUPP; 773 } 774 } 775 776 #define UDAV_BITS 6 777 778 #define UDAV_CALCHASH(addr) \ 779 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) 780 781 Static void 782 udav_setmulti(struct udav_softc *sc) 783 { 784 struct ifnet *ifp; 785 struct ether_multi *enm; 786 struct ether_multistep step; 787 uint8_t hashes[8]; 788 int h = 0; 789 790 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 791 792 if (sc->sc_dying) 793 return; 794 795 ifp = GET_IFP(sc); 796 797 if (ISSET(sc->sc_flags, UDAV_NO_PHY)) { 798 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 799 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 800 return; 801 } 802 803 if (ifp->if_flags & IFF_PROMISC) { 804 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 805 return; 806 } else if (ifp->if_flags & IFF_ALLMULTI) { 807 allmulti: 808 ifp->if_flags |= IFF_ALLMULTI; 809 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 810 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 811 return; 812 } 813 814 /* first, zot all the existing hash bits */ 815 memset(hashes, 0x00, sizeof(hashes)); 816 hashes[7] |= 0x80; /* broadcast address */ 817 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 818 819 /* now program new ones */ 820 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 821 while (enm != NULL) { 822 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 823 ETHER_ADDR_LEN) != 0) 824 goto allmulti; 825 826 h = UDAV_CALCHASH(enm->enm_addrlo); 827 hashes[h>>3] |= 1 << (h & 0x7); 828 ETHER_NEXT_MULTI(step, enm); 829 } 830 831 /* disable all multicast */ 832 ifp->if_flags &= ~IFF_ALLMULTI; 833 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 834 835 /* write hash value to the register */ 836 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 837 } 838 839 Static int 840 udav_openpipes(struct udav_softc *sc) 841 { 842 usbd_status err; 843 int error = 0; 844 845 if (sc->sc_dying) 846 return EIO; 847 848 sc->sc_refcnt++; 849 850 /* Open RX pipe */ 851 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 852 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 853 if (err) { 854 printf("%s: open rx pipe failed: %s\n", 855 device_xname(sc->sc_dev), usbd_errstr(err)); 856 error = EIO; 857 goto done; 858 } 859 860 /* Open TX pipe */ 861 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 862 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 863 if (err) { 864 printf("%s: open tx pipe failed: %s\n", 865 device_xname(sc->sc_dev), usbd_errstr(err)); 866 error = EIO; 867 goto done; 868 } 869 870 #if 0 871 /* XXX: interrupt endpoint is not yet supported */ 872 /* Open Interrupt pipe */ 873 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 874 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 875 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, 876 udav_intr, USBD_DEFAULT_INTERVAL); 877 if (err) { 878 printf("%s: open intr pipe failed: %s\n", 879 device_xname(sc->sc_dev), usbd_errstr(err)); 880 error = EIO; 881 goto done; 882 } 883 #endif 884 done: 885 if (--sc->sc_refcnt < 0) 886 usb_detach_wakeupold(sc->sc_dev); 887 888 return error; 889 } 890 891 Static int 892 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) 893 { 894 struct mbuf *m_new = NULL; 895 896 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 897 898 if (m == NULL) { 899 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 900 if (m_new == NULL) { 901 printf("%s: no memory for rx list " 902 "-- packet dropped!\n", device_xname(sc->sc_dev)); 903 return ENOBUFS; 904 } 905 MCLGET(m_new, M_DONTWAIT); 906 if (!(m_new->m_flags & M_EXT)) { 907 printf("%s: no memory for rx list " 908 "-- packet dropped!\n", device_xname(sc->sc_dev)); 909 m_freem(m_new); 910 return ENOBUFS; 911 } 912 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 913 } else { 914 m_new = m; 915 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 916 m_new->m_data = m_new->m_ext.ext_buf; 917 } 918 919 m_adj(m_new, ETHER_ALIGN); 920 c->udav_mbuf = m_new; 921 922 return 0; 923 } 924 925 926 Static int 927 udav_rx_list_init(struct udav_softc *sc) 928 { 929 struct udav_cdata *cd; 930 struct udav_chain *c; 931 int i; 932 933 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 934 935 cd = &sc->sc_cdata; 936 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 937 c = &cd->udav_rx_chain[i]; 938 c->udav_sc = sc; 939 c->udav_idx = i; 940 if (udav_newbuf(sc, c, NULL) == ENOBUFS) 941 return ENOBUFS; 942 if (c->udav_xfer == NULL) { 943 int error = usbd_create_xfer(sc->sc_pipe_rx, 944 UDAV_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->udav_xfer); 945 if (error) 946 return error; 947 c->udav_buf = usbd_get_buffer(c->udav_xfer); 948 } 949 } 950 951 return 0; 952 } 953 954 Static int 955 udav_tx_list_init(struct udav_softc *sc) 956 { 957 struct udav_cdata *cd; 958 struct udav_chain *c; 959 int i; 960 961 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 962 963 cd = &sc->sc_cdata; 964 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 965 c = &cd->udav_tx_chain[i]; 966 c->udav_sc = sc; 967 c->udav_idx = i; 968 c->udav_mbuf = NULL; 969 if (c->udav_xfer == NULL) { 970 int error = usbd_create_xfer(sc->sc_pipe_tx, UDAV_BUFSZ, 971 USBD_FORCE_SHORT_XFER, 0, &c->udav_xfer); 972 if (error) 973 return error; 974 c->udav_buf = usbd_get_buffer(c->udav_xfer); 975 } 976 } 977 978 return 0; 979 } 980 981 Static void 982 udav_start(struct ifnet *ifp) 983 { 984 struct udav_softc *sc = ifp->if_softc; 985 struct mbuf *m_head = NULL; 986 987 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 988 __func__, sc->sc_link)); 989 990 if (sc->sc_dying) 991 return; 992 993 if (!sc->sc_link) 994 return; 995 996 if (ifp->if_flags & IFF_OACTIVE) 997 return; 998 999 IFQ_POLL(&ifp->if_snd, m_head); 1000 if (m_head == NULL) 1001 return; 1002 1003 if (udav_send(sc, m_head, 0)) { 1004 ifp->if_flags |= IFF_OACTIVE; 1005 return; 1006 } 1007 1008 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1009 1010 bpf_mtap(ifp, m_head); 1011 1012 ifp->if_flags |= IFF_OACTIVE; 1013 1014 /* Set a timeout in case the chip goes out to lunch. */ 1015 ifp->if_timer = 5; 1016 } 1017 1018 Static int 1019 udav_send(struct udav_softc *sc, struct mbuf *m, int idx) 1020 { 1021 int total_len; 1022 struct udav_chain *c; 1023 usbd_status err; 1024 1025 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1026 1027 c = &sc->sc_cdata.udav_tx_chain[idx]; 1028 1029 /* Copy the mbuf data into a contiguous buffer */ 1030 /* first 2 bytes are packet length */ 1031 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); 1032 c->udav_mbuf = m; 1033 total_len = m->m_pkthdr.len; 1034 if (total_len < UDAV_MIN_FRAME_LEN) { 1035 memset(c->udav_buf + 2 + total_len, 0, 1036 UDAV_MIN_FRAME_LEN - total_len); 1037 total_len = UDAV_MIN_FRAME_LEN; 1038 } 1039 1040 /* Frame length is specified in the first 2bytes of the buffer */ 1041 c->udav_buf[0] = (uint8_t)total_len; 1042 c->udav_buf[1] = (uint8_t)(total_len >> 8); 1043 total_len += 2; 1044 1045 usbd_setup_xfer(c->udav_xfer, c, c->udav_buf, total_len, 1046 USBD_FORCE_SHORT_XFER, UDAV_TX_TIMEOUT, udav_txeof); 1047 1048 /* Transmit */ 1049 sc->sc_refcnt++; 1050 err = usbd_transfer(c->udav_xfer); 1051 if (--sc->sc_refcnt < 0) 1052 usb_detach_wakeupold(sc->sc_dev); 1053 if (err != USBD_IN_PROGRESS) { 1054 printf("%s: udav_send error=%s\n", device_xname(sc->sc_dev), 1055 usbd_errstr(err)); 1056 /* Stop the interface */ 1057 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 1058 USB_TASKQ_DRIVER); 1059 return EIO; 1060 } 1061 1062 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 1063 __func__, total_len)); 1064 1065 sc->sc_cdata.udav_tx_cnt++; 1066 1067 return 0; 1068 } 1069 1070 Static void 1071 udav_txeof(struct usbd_xfer *xfer, void *priv, 1072 usbd_status status) 1073 { 1074 struct udav_chain *c = priv; 1075 struct udav_softc *sc = c->udav_sc; 1076 struct ifnet *ifp = GET_IFP(sc); 1077 int s; 1078 1079 if (sc->sc_dying) 1080 return; 1081 1082 s = splnet(); 1083 1084 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1085 1086 ifp->if_timer = 0; 1087 ifp->if_flags &= ~IFF_OACTIVE; 1088 1089 if (status != USBD_NORMAL_COMPLETION) { 1090 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1091 splx(s); 1092 return; 1093 } 1094 ifp->if_oerrors++; 1095 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 1096 usbd_errstr(status)); 1097 if (status == USBD_STALLED) { 1098 sc->sc_refcnt++; 1099 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 1100 if (--sc->sc_refcnt < 0) 1101 usb_detach_wakeupold(sc->sc_dev); 1102 } 1103 splx(s); 1104 return; 1105 } 1106 1107 ifp->if_opackets++; 1108 1109 m_freem(c->udav_mbuf); 1110 c->udav_mbuf = NULL; 1111 1112 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1113 udav_start(ifp); 1114 1115 splx(s); 1116 } 1117 1118 Static void 1119 udav_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1120 { 1121 struct udav_chain *c = priv; 1122 struct udav_softc *sc = c->udav_sc; 1123 struct ifnet *ifp = GET_IFP(sc); 1124 struct mbuf *m; 1125 uint32_t total_len; 1126 uint8_t *pktstat; 1127 int s; 1128 1129 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1130 1131 if (sc->sc_dying) 1132 return; 1133 1134 if (status != USBD_NORMAL_COMPLETION) { 1135 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1136 return; 1137 sc->sc_rx_errs++; 1138 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1139 printf("%s: %u usb errors on rx: %s\n", 1140 device_xname(sc->sc_dev), sc->sc_rx_errs, 1141 usbd_errstr(status)); 1142 sc->sc_rx_errs = 0; 1143 } 1144 if (status == USBD_STALLED) { 1145 sc->sc_refcnt++; 1146 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1147 if (--sc->sc_refcnt < 0) 1148 usb_detach_wakeupold(sc->sc_dev); 1149 } 1150 goto done; 1151 } 1152 1153 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1154 1155 /* copy data to mbuf */ 1156 m = c->udav_mbuf; 1157 memcpy(mtod(m, char *), c->udav_buf, total_len); 1158 1159 /* first byte in received data */ 1160 pktstat = mtod(m, uint8_t *); 1161 m_adj(m, sizeof(uint8_t)); 1162 DPRINTF(("%s: RX Status: 0x%02x\n", device_xname(sc->sc_dev), 1163 *pktstat)); 1164 1165 total_len = UGETW(mtod(m, uint8_t *)); 1166 m_adj(m, sizeof(uint16_t)); 1167 1168 if (*pktstat & UDAV_RSR_LCS) { 1169 ifp->if_collisions++; 1170 goto done; 1171 } 1172 1173 if (total_len < sizeof(struct ether_header) || 1174 *pktstat & UDAV_RSR_ERR) { 1175 ifp->if_ierrors++; 1176 goto done; 1177 } 1178 1179 total_len -= ETHER_CRC_LEN; 1180 1181 m->m_pkthdr.len = m->m_len = total_len; 1182 m_set_rcvif(m, ifp); 1183 1184 s = splnet(); 1185 1186 if (udav_newbuf(sc, c, NULL) == ENOBUFS) { 1187 ifp->if_ierrors++; 1188 goto done1; 1189 } 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