if_udav.c revision 1.29
1 /* $NetBSD: if_udav.c,v 1.29 2010/04/05 07:21:48 joerg Exp $ */ 2 /* $nabe: if_udav.c,v 1.3 2003/08/21 16:57:19 nabe Exp $ */ 3 /* 4 * Copyright (c) 2003 5 * Shingo WATANABE <nabe (at) nabechan.org>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the author nor the names of any co-contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 */ 32 33 /* 34 * DM9601(DAVICOM USB to Ethernet MAC Controller with Integrated 10/100 PHY) 35 * The spec can be found at the following url. 36 * http://www.davicom.com.tw/big5/download/Data%20Sheet/DM9601-DS-F01-062202s.pdf 37 */ 38 39 /* 40 * TODO: 41 * Interrupt Endpoint support 42 * External PHYs 43 * powerhook() support? 44 */ 45 46 #include <sys/cdefs.h> 47 __KERNEL_RCSID(0, "$NetBSD: if_udav.c,v 1.29 2010/04/05 07:21:48 joerg Exp $"); 48 49 #include "opt_inet.h" 50 #include "rnd.h" 51 52 #include <sys/param.h> 53 #include <sys/systm.h> 54 #include <sys/mutex.h> 55 #include <sys/mbuf.h> 56 #include <sys/kernel.h> 57 #include <sys/socket.h> 58 #include <sys/device.h> 59 #if NRND > 0 60 #include <sys/rnd.h> 61 #endif 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 USB_DECLARE_DRIVER(udav); 89 90 Static int udav_openpipes(struct udav_softc *); 91 Static int udav_rx_list_init(struct udav_softc *); 92 Static int udav_tx_list_init(struct udav_softc *); 93 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); 94 Static void udav_start(struct ifnet *); 95 Static int udav_send(struct udav_softc *, struct mbuf *, int); 96 Static void udav_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 97 Static void udav_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 98 Static void udav_tick(void *); 99 Static void udav_tick_task(void *); 100 Static int udav_ioctl(struct ifnet *, u_long, void *); 101 Static void udav_stop_task(struct udav_softc *); 102 Static void udav_stop(struct ifnet *, int); 103 Static void udav_watchdog(struct ifnet *); 104 Static int udav_ifmedia_change(struct ifnet *); 105 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 106 Static void udav_lock_mii(struct udav_softc *); 107 Static void udav_unlock_mii(struct udav_softc *); 108 Static int udav_miibus_readreg(device_ptr_t, int, int); 109 Static void udav_miibus_writereg(device_ptr_t, int, int, int); 110 Static void udav_miibus_statchg(device_ptr_t); 111 Static int udav_init(struct ifnet *); 112 Static void udav_setmulti(struct udav_softc *); 113 Static void udav_reset(struct udav_softc *); 114 115 Static int udav_csr_read(struct udav_softc *, int, void *, int); 116 Static int udav_csr_write(struct udav_softc *, int, void *, int); 117 Static int udav_csr_read1(struct udav_softc *, int); 118 Static int udav_csr_write1(struct udav_softc *, int, unsigned char); 119 120 #if 0 121 Static int udav_mem_read(struct udav_softc *, int, void *, int); 122 Static int udav_mem_write(struct udav_softc *, int, void *, int); 123 Static int udav_mem_write1(struct udav_softc *, int, unsigned char); 124 #endif 125 126 /* Macros */ 127 #ifdef UDAV_DEBUG 128 #define DPRINTF(x) if (udavdebug) logprintf x 129 #define DPRINTFN(n,x) if (udavdebug >= (n)) logprintf x 130 int udavdebug = 0; 131 #else 132 #define DPRINTF(x) 133 #define DPRINTFN(n,x) 134 #endif 135 136 #define UDAV_SETBIT(sc, reg, x) \ 137 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 138 139 #define UDAV_CLRBIT(sc, reg, x) \ 140 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 141 142 static const struct udav_type { 143 struct usb_devno udav_dev; 144 u_int16_t udav_flags; 145 #define UDAV_EXT_PHY 0x0001 146 } udav_devs [] = { 147 /* Corega USB-TXC */ 148 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, 149 /* ShanTou ST268 USB NIC */ 150 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, 151 /* ShanTou ADM8515 */ 152 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, 153 #if 0 154 /* DAVICOM DM9601 Generic? */ 155 /* XXX: The following ids was obtained from the data sheet. */ 156 {{ 0x0a46, 0x9601 }, 0}, 157 #endif 158 }; 159 #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) 160 161 162 /* Probe */ 163 USB_MATCH(udav) 164 { 165 USB_MATCH_START(udav, uaa); 166 167 return (udav_lookup(uaa->vendor, uaa->product) != NULL ? 168 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 169 } 170 171 /* Attach */ 172 USB_ATTACH(udav) 173 { 174 USB_ATTACH_START(udav, sc, uaa); 175 usbd_device_handle dev = uaa->device; 176 usbd_interface_handle iface; 177 usbd_status err; 178 usb_interface_descriptor_t *id; 179 usb_endpoint_descriptor_t *ed; 180 char *devinfop; 181 struct ifnet *ifp; 182 struct mii_data *mii; 183 u_char eaddr[ETHER_ADDR_LEN]; 184 int i, s; 185 186 sc->sc_dev = self; 187 188 aprint_naive("\n"); 189 aprint_normal("\n"); 190 191 devinfop = usbd_devinfo_alloc(dev, 0); 192 aprint_normal_dev(self, "%s\n", devinfop); 193 usbd_devinfo_free(devinfop); 194 195 /* Move the device into the configured state. */ 196 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ 197 if (err) { 198 aprint_error_dev(self, "setting config no failed\n"); 199 goto bad; 200 } 201 202 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc); 203 mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); 204 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) udav_stop_task, sc); 205 206 /* get control interface */ 207 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); 208 if (err) { 209 aprint_error_dev(self, "failed to get interface, err=%s\n", 210 usbd_errstr(err)); 211 goto bad; 212 } 213 214 sc->sc_udev = dev; 215 sc->sc_ctl_iface = iface; 216 sc->sc_flags = udav_lookup(uaa->vendor, uaa->product)->udav_flags; 217 218 /* get interface descriptor */ 219 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 220 221 /* find endpoints */ 222 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 223 for (i = 0; i < id->bNumEndpoints; i++) { 224 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 225 if (ed == NULL) { 226 aprint_error_dev(self, "couldn't get endpoint %d\n", i); 227 goto bad; 228 } 229 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 230 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 231 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 232 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 233 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 234 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 235 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 236 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 237 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 238 } 239 240 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 241 sc->sc_intrin_no == -1) { 242 aprint_error_dev(self, "missing endpoint\n"); 243 goto bad; 244 } 245 246 s = splnet(); 247 248 /* reset the adapter */ 249 udav_reset(sc); 250 251 /* Get Ethernet Address */ 252 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); 253 if (err) { 254 aprint_error_dev(self, "read MAC address failed\n"); 255 splx(s); 256 goto bad; 257 } 258 259 /* Print Ethernet Address */ 260 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 261 262 /* initialize interface information */ 263 ifp = GET_IFP(sc); 264 ifp->if_softc = sc; 265 ifp->if_mtu = ETHERMTU; 266 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 267 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 268 ifp->if_start = udav_start; 269 ifp->if_ioctl = udav_ioctl; 270 ifp->if_watchdog = udav_watchdog; 271 ifp->if_init = udav_init; 272 ifp->if_stop = udav_stop; 273 274 IFQ_SET_READY(&ifp->if_snd); 275 276 /* 277 * Do ifmedia setup. 278 */ 279 mii = &sc->sc_mii; 280 mii->mii_ifp = ifp; 281 mii->mii_readreg = udav_miibus_readreg; 282 mii->mii_writereg = udav_miibus_writereg; 283 mii->mii_statchg = udav_miibus_statchg; 284 mii->mii_flags = MIIF_AUTOTSLEEP; 285 sc->sc_ec.ec_mii = mii; 286 ifmedia_init(&mii->mii_media, 0, 287 udav_ifmedia_change, udav_ifmedia_status); 288 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 289 if (LIST_FIRST(&mii->mii_phys) == NULL) { 290 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 291 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 292 } else 293 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 294 295 /* attach the interface */ 296 if_attach(ifp); 297 Ether_ifattach(ifp, eaddr); 298 299 #if NRND > 0 300 rnd_attach_source(&sc->rnd_source, device_xname(self), 301 RND_TYPE_NET, 0); 302 #endif 303 304 usb_callout_init(sc->sc_stat_ch); 305 sc->sc_attached = 1; 306 splx(s); 307 308 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 309 310 USB_ATTACH_SUCCESS_RETURN; 311 312 bad: 313 sc->sc_dying = 1; 314 USB_ATTACH_ERROR_RETURN; 315 } 316 317 /* detach */ 318 USB_DETACH(udav) 319 { 320 USB_DETACH_START(udav, sc); 321 struct ifnet *ifp = GET_IFP(sc); 322 int s; 323 324 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 325 326 /* Detached before attached finished */ 327 if (!sc->sc_attached) 328 return (0); 329 330 usb_uncallout(sc->sc_stat_ch, udav_tick, sc); 331 332 /* Remove any pending tasks */ 333 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 334 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 335 336 s = splusb(); 337 338 if (--sc->sc_refcnt >= 0) { 339 /* Wait for processes to go away */ 340 usb_detach_wait(USBDEV(sc->sc_dev)); 341 } 342 if (ifp->if_flags & IFF_RUNNING) 343 udav_stop(GET_IFP(sc), 1); 344 345 #if NRND > 0 346 rnd_detach_source(&sc->rnd_source); 347 #endif 348 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 349 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 350 ether_ifdetach(ifp); 351 if_detach(ifp); 352 353 #ifdef DIAGNOSTIC 354 if (sc->sc_pipe_tx != NULL) 355 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 356 if (sc->sc_pipe_rx != NULL) 357 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 358 if (sc->sc_pipe_intr != NULL) 359 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 360 #endif 361 sc->sc_attached = 0; 362 363 splx(s); 364 365 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 366 USBDEV(sc->sc_dev)); 367 368 mutex_destroy(&sc->sc_mii_lock); 369 370 return (0); 371 } 372 373 #if 0 374 /* read memory */ 375 Static int 376 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) 377 { 378 usb_device_request_t req; 379 usbd_status err; 380 381 if (sc == NULL) 382 return (0); 383 384 DPRINTFN(0x200, 385 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 386 387 if (sc->sc_dying) 388 return (0); 389 390 offset &= 0xffff; 391 len &= 0xff; 392 393 req.bmRequestType = UT_READ_VENDOR_DEVICE; 394 req.bRequest = UDAV_REQ_MEM_READ; 395 USETW(req.wValue, 0x0000); 396 USETW(req.wIndex, offset); 397 USETW(req.wLength, len); 398 399 sc->sc_refcnt++; 400 err = usbd_do_request(sc->sc_udev, &req, buf); 401 if (--sc->sc_refcnt < 0) 402 usb_detach_wakeup(USBDEV(sc->sc_dev)); 403 if (err) { 404 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 405 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 406 } 407 408 return (err); 409 } 410 411 /* write memory */ 412 Static int 413 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) 414 { 415 usb_device_request_t req; 416 usbd_status err; 417 418 if (sc == NULL) 419 return (0); 420 421 DPRINTFN(0x200, 422 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 423 424 if (sc->sc_dying) 425 return (0); 426 427 offset &= 0xffff; 428 len &= 0xff; 429 430 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 431 req.bRequest = UDAV_REQ_MEM_WRITE; 432 USETW(req.wValue, 0x0000); 433 USETW(req.wIndex, offset); 434 USETW(req.wLength, len); 435 436 sc->sc_refcnt++; 437 err = usbd_do_request(sc->sc_udev, &req, buf); 438 if (--sc->sc_refcnt < 0) 439 usb_detach_wakeup(USBDEV(sc->sc_dev)); 440 if (err) { 441 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 442 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 443 } 444 445 return (err); 446 } 447 448 /* write memory */ 449 Static int 450 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) 451 { 452 usb_device_request_t req; 453 usbd_status err; 454 455 if (sc == NULL) 456 return (0); 457 458 DPRINTFN(0x200, 459 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 460 461 if (sc->sc_dying) 462 return (0); 463 464 offset &= 0xffff; 465 466 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 467 req.bRequest = UDAV_REQ_MEM_WRITE1; 468 USETW(req.wValue, ch); 469 USETW(req.wIndex, offset); 470 USETW(req.wLength, 0x0000); 471 472 sc->sc_refcnt++; 473 err = usbd_do_request(sc->sc_udev, &req, NULL); 474 if (--sc->sc_refcnt < 0) 475 usb_detach_wakeup(USBDEV(sc->sc_dev)); 476 if (err) { 477 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 478 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 479 } 480 481 return (err); 482 } 483 #endif 484 485 /* read register(s) */ 486 Static int 487 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) 488 { 489 usb_device_request_t req; 490 usbd_status err; 491 492 if (sc == NULL) 493 return (0); 494 495 DPRINTFN(0x200, 496 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 497 498 if (sc->sc_dying) 499 return (0); 500 501 offset &= 0xff; 502 len &= 0xff; 503 504 req.bmRequestType = UT_READ_VENDOR_DEVICE; 505 req.bRequest = UDAV_REQ_REG_READ; 506 USETW(req.wValue, 0x0000); 507 USETW(req.wIndex, offset); 508 USETW(req.wLength, len); 509 510 sc->sc_refcnt++; 511 err = usbd_do_request(sc->sc_udev, &req, buf); 512 if (--sc->sc_refcnt < 0) 513 usb_detach_wakeup(USBDEV(sc->sc_dev)); 514 if (err) { 515 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 516 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 517 } 518 519 return (err); 520 } 521 522 /* write register(s) */ 523 Static int 524 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) 525 { 526 usb_device_request_t req; 527 usbd_status err; 528 529 if (sc == NULL) 530 return (0); 531 532 DPRINTFN(0x200, 533 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 534 535 if (sc->sc_dying) 536 return (0); 537 538 offset &= 0xff; 539 len &= 0xff; 540 541 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 542 req.bRequest = UDAV_REQ_REG_WRITE; 543 USETW(req.wValue, 0x0000); 544 USETW(req.wIndex, offset); 545 USETW(req.wLength, len); 546 547 sc->sc_refcnt++; 548 err = usbd_do_request(sc->sc_udev, &req, buf); 549 if (--sc->sc_refcnt < 0) 550 usb_detach_wakeup(USBDEV(sc->sc_dev)); 551 if (err) { 552 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 553 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 554 } 555 556 return (err); 557 } 558 559 Static int 560 udav_csr_read1(struct udav_softc *sc, int offset) 561 { 562 u_int8_t val = 0; 563 564 if (sc == NULL) 565 return (0); 566 567 DPRINTFN(0x200, 568 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 569 570 if (sc->sc_dying) 571 return (0); 572 573 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val); 574 } 575 576 /* write a register */ 577 Static int 578 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) 579 { 580 usb_device_request_t req; 581 usbd_status err; 582 583 if (sc == NULL) 584 return (0); 585 586 DPRINTFN(0x200, 587 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 588 589 if (sc->sc_dying) 590 return (0); 591 592 offset &= 0xff; 593 594 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 595 req.bRequest = UDAV_REQ_REG_WRITE1; 596 USETW(req.wValue, ch); 597 USETW(req.wIndex, offset); 598 USETW(req.wLength, 0x0000); 599 600 sc->sc_refcnt++; 601 err = usbd_do_request(sc->sc_udev, &req, NULL); 602 if (--sc->sc_refcnt < 0) 603 usb_detach_wakeup(USBDEV(sc->sc_dev)); 604 if (err) { 605 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 606 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 607 } 608 609 return (err); 610 } 611 612 Static int 613 udav_init(struct ifnet *ifp) 614 { 615 struct udav_softc *sc = ifp->if_softc; 616 struct mii_data *mii = GET_MII(sc); 617 uint8_t eaddr[ETHER_ADDR_LEN]; 618 int rc, s; 619 620 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 621 622 if (sc->sc_dying) 623 return (EIO); 624 625 s = splnet(); 626 627 /* Cancel pending I/O and free all TX/RX buffers */ 628 udav_stop(ifp, 1); 629 630 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 631 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); 632 633 /* Initialize network control register */ 634 /* Disable loopback */ 635 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 636 637 /* Initialize RX control register */ 638 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 639 640 /* If we want promiscuous mode, accept all physical frames. */ 641 if (ifp->if_flags & IFF_PROMISC) 642 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 643 else 644 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 645 646 /* Initialize transmit ring */ 647 if (udav_tx_list_init(sc) == ENOBUFS) { 648 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 649 splx(s); 650 return (EIO); 651 } 652 653 /* Initialize receive ring */ 654 if (udav_rx_list_init(sc) == ENOBUFS) { 655 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 656 splx(s); 657 return (EIO); 658 } 659 660 /* Load the multicast filter */ 661 udav_setmulti(sc); 662 663 /* Enable RX */ 664 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 665 666 /* clear POWER_DOWN state of internal PHY */ 667 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 668 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 669 670 if ((rc = mii_mediachg(mii)) == ENXIO) 671 rc = 0; 672 else if (rc != 0) 673 goto out; 674 675 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 676 if (udav_openpipes(sc)) { 677 splx(s); 678 return (EIO); 679 } 680 } 681 682 ifp->if_flags |= IFF_RUNNING; 683 ifp->if_flags &= ~IFF_OACTIVE; 684 685 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc); 686 687 out: 688 splx(s); 689 return rc; 690 } 691 692 Static void 693 udav_reset(struct udav_softc *sc) 694 { 695 int i; 696 697 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 698 699 if (sc->sc_dying) 700 return; 701 702 /* Select PHY */ 703 #if 1 704 /* 705 * XXX: force select internal phy. 706 * external phy routines are not tested. 707 */ 708 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 709 #else 710 if (sc->sc_flags & UDAV_EXT_PHY) { 711 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 712 } else { 713 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 714 } 715 #endif 716 717 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 718 719 for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 720 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 721 break; 722 delay(10); /* XXX */ 723 } 724 delay(10000); /* XXX */ 725 } 726 727 int 728 udav_activate(device_ptr_t self, enum devact act) 729 { 730 struct udav_softc *sc = device_private(self); 731 732 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 733 __func__, act)); 734 switch (act) { 735 case DVACT_DEACTIVATE: 736 if_deactivate(&sc->sc_ec.ec_if); 737 sc->sc_dying = 1; 738 return 0; 739 default: 740 return EOPNOTSUPP; 741 } 742 } 743 744 #define UDAV_BITS 6 745 746 #define UDAV_CALCHASH(addr) \ 747 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) 748 749 Static void 750 udav_setmulti(struct udav_softc *sc) 751 { 752 struct ifnet *ifp; 753 struct ether_multi *enm; 754 struct ether_multistep step; 755 u_int8_t hashes[8]; 756 int h = 0; 757 758 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 759 760 if (sc->sc_dying) 761 return; 762 763 ifp = GET_IFP(sc); 764 765 if (ifp->if_flags & IFF_PROMISC) { 766 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 767 return; 768 } else if (ifp->if_flags & IFF_ALLMULTI) { 769 allmulti: 770 ifp->if_flags |= IFF_ALLMULTI; 771 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 772 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 773 return; 774 } 775 776 /* first, zot all the existing hash bits */ 777 memset(hashes, 0x00, sizeof(hashes)); 778 hashes[7] |= 0x80; /* broadcast address */ 779 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 780 781 /* now program new ones */ 782 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 783 while (enm != NULL) { 784 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 785 ETHER_ADDR_LEN) != 0) 786 goto allmulti; 787 788 h = UDAV_CALCHASH(enm->enm_addrlo); 789 hashes[h>>3] |= 1 << (h & 0x7); 790 ETHER_NEXT_MULTI(step, enm); 791 } 792 793 /* disable all multicast */ 794 ifp->if_flags &= ~IFF_ALLMULTI; 795 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 796 797 /* write hash value to the register */ 798 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 799 } 800 801 Static int 802 udav_openpipes(struct udav_softc *sc) 803 { 804 struct udav_chain *c; 805 usbd_status err; 806 int i; 807 int error = 0; 808 809 if (sc->sc_dying) 810 return (EIO); 811 812 sc->sc_refcnt++; 813 814 /* Open RX pipe */ 815 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 816 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 817 if (err) { 818 printf("%s: open rx pipe failed: %s\n", 819 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 820 error = EIO; 821 goto done; 822 } 823 824 /* Open TX pipe */ 825 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 826 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 827 if (err) { 828 printf("%s: open tx pipe failed: %s\n", 829 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 830 error = EIO; 831 goto done; 832 } 833 834 #if 0 835 /* XXX: interrupt endpoint is not yet supported */ 836 /* Open Interrupt pipe */ 837 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 838 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 839 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, 840 udav_intr, USBD_DEFAULT_INTERVAL); 841 if (err) { 842 printf("%s: open intr pipe failed: %s\n", 843 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 844 error = EIO; 845 goto done; 846 } 847 #endif 848 849 850 /* Start up the receive pipe. */ 851 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 852 c = &sc->sc_cdata.udav_rx_chain[i]; 853 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_rx, 854 c, c->udav_buf, UDAV_BUFSZ, 855 USBD_SHORT_XFER_OK | USBD_NO_COPY, 856 USBD_NO_TIMEOUT, udav_rxeof); 857 (void)usbd_transfer(c->udav_xfer); 858 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 859 __func__)); 860 } 861 862 done: 863 if (--sc->sc_refcnt < 0) 864 usb_detach_wakeup(USBDEV(sc->sc_dev)); 865 866 return (error); 867 } 868 869 Static int 870 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) 871 { 872 struct mbuf *m_new = NULL; 873 874 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 875 876 if (m == NULL) { 877 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 878 if (m_new == NULL) { 879 printf("%s: no memory for rx list " 880 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 881 return (ENOBUFS); 882 } 883 MCLGET(m_new, M_DONTWAIT); 884 if (!(m_new->m_flags & M_EXT)) { 885 printf("%s: no memory for rx list " 886 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 887 m_freem(m_new); 888 return (ENOBUFS); 889 } 890 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 891 } else { 892 m_new = m; 893 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 894 m_new->m_data = m_new->m_ext.ext_buf; 895 } 896 897 m_adj(m_new, ETHER_ALIGN); 898 c->udav_mbuf = m_new; 899 900 return (0); 901 } 902 903 904 Static int 905 udav_rx_list_init(struct udav_softc *sc) 906 { 907 struct udav_cdata *cd; 908 struct udav_chain *c; 909 int i; 910 911 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 912 913 cd = &sc->sc_cdata; 914 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 915 c = &cd->udav_rx_chain[i]; 916 c->udav_sc = sc; 917 c->udav_idx = i; 918 if (udav_newbuf(sc, c, NULL) == ENOBUFS) 919 return (ENOBUFS); 920 if (c->udav_xfer == NULL) { 921 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 922 if (c->udav_xfer == NULL) 923 return (ENOBUFS); 924 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 925 if (c->udav_buf == NULL) { 926 usbd_free_xfer(c->udav_xfer); 927 return (ENOBUFS); 928 } 929 } 930 } 931 932 return (0); 933 } 934 935 Static int 936 udav_tx_list_init(struct udav_softc *sc) 937 { 938 struct udav_cdata *cd; 939 struct udav_chain *c; 940 int i; 941 942 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 943 944 cd = &sc->sc_cdata; 945 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 946 c = &cd->udav_tx_chain[i]; 947 c->udav_sc = sc; 948 c->udav_idx = i; 949 c->udav_mbuf = NULL; 950 if (c->udav_xfer == NULL) { 951 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 952 if (c->udav_xfer == NULL) 953 return (ENOBUFS); 954 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 955 if (c->udav_buf == NULL) { 956 usbd_free_xfer(c->udav_xfer); 957 return (ENOBUFS); 958 } 959 } 960 } 961 962 return (0); 963 } 964 965 Static void 966 udav_start(struct ifnet *ifp) 967 { 968 struct udav_softc *sc = ifp->if_softc; 969 struct mbuf *m_head = NULL; 970 971 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 972 __func__, sc->sc_link)); 973 974 if (sc->sc_dying) 975 return; 976 977 if (!sc->sc_link) 978 return; 979 980 if (ifp->if_flags & IFF_OACTIVE) 981 return; 982 983 IFQ_POLL(&ifp->if_snd, m_head); 984 if (m_head == NULL) 985 return; 986 987 if (udav_send(sc, m_head, 0)) { 988 ifp->if_flags |= IFF_OACTIVE; 989 return; 990 } 991 992 IFQ_DEQUEUE(&ifp->if_snd, m_head); 993 994 bpf_mtap(ifp, m_head); 995 996 ifp->if_flags |= IFF_OACTIVE; 997 998 /* Set a timeout in case the chip goes out to lunch. */ 999 ifp->if_timer = 5; 1000 } 1001 1002 Static int 1003 udav_send(struct udav_softc *sc, struct mbuf *m, int idx) 1004 { 1005 int total_len; 1006 struct udav_chain *c; 1007 usbd_status err; 1008 1009 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 1010 1011 c = &sc->sc_cdata.udav_tx_chain[idx]; 1012 1013 /* Copy the mbuf data into a contiguous buffer */ 1014 /* first 2 bytes are packet length */ 1015 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); 1016 c->udav_mbuf = m; 1017 total_len = m->m_pkthdr.len; 1018 if (total_len < UDAV_MIN_FRAME_LEN) { 1019 memset(c->udav_buf + 2 + total_len, 0, 1020 UDAV_MIN_FRAME_LEN - total_len); 1021 total_len = UDAV_MIN_FRAME_LEN; 1022 } 1023 1024 /* Frame length is specified in the first 2bytes of the buffer */ 1025 c->udav_buf[0] = (u_int8_t)total_len; 1026 c->udav_buf[1] = (u_int8_t)(total_len >> 8); 1027 total_len += 2; 1028 1029 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_tx, c, c->udav_buf, total_len, 1030 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1031 UDAV_TX_TIMEOUT, udav_txeof); 1032 1033 /* Transmit */ 1034 sc->sc_refcnt++; 1035 err = usbd_transfer(c->udav_xfer); 1036 if (--sc->sc_refcnt < 0) 1037 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1038 if (err != USBD_IN_PROGRESS) { 1039 printf("%s: udav_send error=%s\n", USBDEVNAME(sc->sc_dev), 1040 usbd_errstr(err)); 1041 /* Stop the interface */ 1042 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 1043 USB_TASKQ_DRIVER); 1044 return (EIO); 1045 } 1046 1047 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 1048 __func__, total_len)); 1049 1050 sc->sc_cdata.udav_tx_cnt++; 1051 1052 return (0); 1053 } 1054 1055 Static void 1056 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 1057 usbd_status status) 1058 { 1059 struct udav_chain *c = priv; 1060 struct udav_softc *sc = c->udav_sc; 1061 struct ifnet *ifp = GET_IFP(sc); 1062 int s; 1063 1064 if (sc->sc_dying) 1065 return; 1066 1067 s = splnet(); 1068 1069 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1070 1071 ifp->if_timer = 0; 1072 ifp->if_flags &= ~IFF_OACTIVE; 1073 1074 if (status != USBD_NORMAL_COMPLETION) { 1075 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1076 splx(s); 1077 return; 1078 } 1079 ifp->if_oerrors++; 1080 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 1081 usbd_errstr(status)); 1082 if (status == USBD_STALLED) { 1083 sc->sc_refcnt++; 1084 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 1085 if (--sc->sc_refcnt < 0) 1086 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1087 } 1088 splx(s); 1089 return; 1090 } 1091 1092 ifp->if_opackets++; 1093 1094 m_freem(c->udav_mbuf); 1095 c->udav_mbuf = NULL; 1096 1097 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1098 udav_start(ifp); 1099 1100 splx(s); 1101 } 1102 1103 Static void 1104 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1105 { 1106 struct udav_chain *c = priv; 1107 struct udav_softc *sc = c->udav_sc; 1108 struct ifnet *ifp = GET_IFP(sc); 1109 struct mbuf *m; 1110 u_int32_t total_len; 1111 u_int8_t *pktstat; 1112 int s; 1113 1114 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 1115 1116 if (sc->sc_dying) 1117 return; 1118 1119 if (status != USBD_NORMAL_COMPLETION) { 1120 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1121 return; 1122 sc->sc_rx_errs++; 1123 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1124 printf("%s: %u usb errors on rx: %s\n", 1125 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 1126 usbd_errstr(status)); 1127 sc->sc_rx_errs = 0; 1128 } 1129 if (status == USBD_STALLED) { 1130 sc->sc_refcnt++; 1131 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1132 if (--sc->sc_refcnt < 0) 1133 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1134 } 1135 goto done; 1136 } 1137 1138 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1139 1140 /* copy data to mbuf */ 1141 m = c->udav_mbuf; 1142 memcpy(mtod(m, char *), c->udav_buf, total_len); 1143 1144 /* first byte in received data */ 1145 pktstat = mtod(m, u_int8_t *); 1146 m_adj(m, sizeof(u_int8_t)); 1147 DPRINTF(("%s: RX Status: 0x%02x\n", USBDEVNAME(sc->sc_dev), 1148 *pktstat)); 1149 1150 total_len = UGETW(mtod(m, u_int8_t *)); 1151 m_adj(m, sizeof(u_int16_t)); 1152 1153 if (*pktstat & UDAV_RSR_LCS) { 1154 ifp->if_collisions++; 1155 goto done; 1156 } 1157 1158 if (total_len < sizeof(struct ether_header) || 1159 *pktstat & UDAV_RSR_ERR) { 1160 ifp->if_ierrors++; 1161 goto done; 1162 } 1163 1164 ifp->if_ipackets++; 1165 total_len -= ETHER_CRC_LEN; 1166 1167 m->m_pkthdr.len = m->m_len = total_len; 1168 m->m_pkthdr.rcvif = ifp; 1169 1170 s = splnet(); 1171 1172 if (udav_newbuf(sc, c, NULL) == ENOBUFS) { 1173 ifp->if_ierrors++; 1174 goto done1; 1175 } 1176 1177 bpf_mtap(ifp, m); 1178 1179 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1180 __func__, m->m_len)); 1181 IF_INPUT(ifp, m); 1182 1183 done1: 1184 splx(s); 1185 1186 done: 1187 /* Setup new transfer */ 1188 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->udav_buf, UDAV_BUFSZ, 1189 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1190 USBD_NO_TIMEOUT, udav_rxeof); 1191 sc->sc_refcnt++; 1192 usbd_transfer(xfer); 1193 if (--sc->sc_refcnt < 0) 1194 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1195 1196 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1197 } 1198 1199 #if 0 1200 Static void udav_intr(void) 1201 { 1202 } 1203 #endif 1204 1205 Static int 1206 udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1207 { 1208 struct udav_softc *sc = ifp->if_softc; 1209 int s, error = 0; 1210 1211 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1212 1213 if (sc->sc_dying) 1214 return (EIO); 1215 1216 s = splnet(); 1217 1218 error = ether_ioctl(ifp, cmd, data); 1219 if (error == ENETRESET) { 1220 if (ifp->if_flags & IFF_RUNNING) 1221 udav_setmulti(sc); 1222 error = 0; 1223 } 1224 1225 splx(s); 1226 1227 return (error); 1228 } 1229 1230 Static void 1231 udav_watchdog(struct ifnet *ifp) 1232 { 1233 struct udav_softc *sc = ifp->if_softc; 1234 struct udav_chain *c; 1235 usbd_status stat; 1236 int s; 1237 1238 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1239 1240 ifp->if_oerrors++; 1241 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1242 1243 s = splusb(); 1244 c = &sc->sc_cdata.udav_tx_chain[0]; 1245 usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); 1246 udav_txeof(c->udav_xfer, c, stat); 1247 1248 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1249 udav_start(ifp); 1250 splx(s); 1251 } 1252 1253 Static void 1254 udav_stop_task(struct udav_softc *sc) 1255 { 1256 udav_stop(GET_IFP(sc), 1); 1257 } 1258 1259 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1260 Static void 1261 udav_stop(struct ifnet *ifp, int disable) 1262 { 1263 struct udav_softc *sc = ifp->if_softc; 1264 usbd_status err; 1265 int i; 1266 1267 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1268 1269 ifp->if_timer = 0; 1270 1271 udav_reset(sc); 1272 1273 usb_uncallout(sc->sc_stat_ch, udav_tick, sc); 1274 1275 /* Stop transfers */ 1276 /* RX endpoint */ 1277 if (sc->sc_pipe_rx != NULL) { 1278 err = usbd_abort_pipe(sc->sc_pipe_rx); 1279 if (err) 1280 printf("%s: abort rx pipe failed: %s\n", 1281 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1282 err = usbd_close_pipe(sc->sc_pipe_rx); 1283 if (err) 1284 printf("%s: close rx pipe failed: %s\n", 1285 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1286 sc->sc_pipe_rx = NULL; 1287 } 1288 1289 /* TX endpoint */ 1290 if (sc->sc_pipe_tx != NULL) { 1291 err = usbd_abort_pipe(sc->sc_pipe_tx); 1292 if (err) 1293 printf("%s: abort tx pipe failed: %s\n", 1294 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1295 err = usbd_close_pipe(sc->sc_pipe_tx); 1296 if (err) 1297 printf("%s: close tx pipe failed: %s\n", 1298 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1299 sc->sc_pipe_tx = NULL; 1300 } 1301 1302 #if 0 1303 /* XXX: Interrupt endpoint is not yet supported!! */ 1304 /* Interrupt endpoint */ 1305 if (sc->sc_pipe_intr != NULL) { 1306 err = usbd_abort_pipe(sc->sc_pipe_intr); 1307 if (err) 1308 printf("%s: abort intr pipe failed: %s\n", 1309 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1310 err = usbd_close_pipe(sc->sc_pipe_intr); 1311 if (err) 1312 printf("%s: close intr pipe failed: %s\n", 1313 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1314 sc->sc_pipe_intr = NULL; 1315 } 1316 #endif 1317 1318 /* Free RX resources. */ 1319 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 1320 if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { 1321 m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); 1322 sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; 1323 } 1324 if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { 1325 usbd_free_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); 1326 sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; 1327 } 1328 } 1329 1330 /* Free TX resources. */ 1331 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 1332 if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { 1333 m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); 1334 sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; 1335 } 1336 if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { 1337 usbd_free_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); 1338 sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; 1339 } 1340 } 1341 1342 sc->sc_link = 0; 1343 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1344 } 1345 1346 /* Set media options */ 1347 Static int 1348 udav_ifmedia_change(struct ifnet *ifp) 1349 { 1350 struct udav_softc *sc = ifp->if_softc; 1351 struct mii_data *mii = GET_MII(sc); 1352 int rc; 1353 1354 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1355 1356 if (sc->sc_dying) 1357 return (0); 1358 1359 sc->sc_link = 0; 1360 if ((rc = mii_mediachg(mii)) == ENXIO) 1361 return 0; 1362 return rc; 1363 } 1364 1365 /* Report current media status. */ 1366 Static void 1367 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1368 { 1369 struct udav_softc *sc = ifp->if_softc; 1370 1371 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1372 1373 if (sc->sc_dying) 1374 return; 1375 1376 ether_mediastatus(ifp, ifmr); 1377 } 1378 1379 Static void 1380 udav_tick(void *xsc) 1381 { 1382 struct udav_softc *sc = xsc; 1383 1384 if (sc == NULL) 1385 return; 1386 1387 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1388 __func__)); 1389 1390 if (sc->sc_dying) 1391 return; 1392 1393 /* Perform periodic stuff in process context */ 1394 usb_add_task(sc->sc_udev, &sc->sc_tick_task, 1395 USB_TASKQ_DRIVER); 1396 } 1397 1398 Static void 1399 udav_tick_task(void *xsc) 1400 { 1401 struct udav_softc *sc = xsc; 1402 struct ifnet *ifp; 1403 struct mii_data *mii; 1404 int s; 1405 1406 if (sc == NULL) 1407 return; 1408 1409 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1410 __func__)); 1411 1412 if (sc->sc_dying) 1413 return; 1414 1415 ifp = GET_IFP(sc); 1416 mii = GET_MII(sc); 1417 1418 if (mii == NULL) 1419 return; 1420 1421 s = splnet(); 1422 1423 mii_tick(mii); 1424 if (!sc->sc_link) { 1425 mii_pollstat(mii); 1426 if (mii->mii_media_status & IFM_ACTIVE && 1427 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1428 DPRINTF(("%s: %s: got link\n", 1429 USBDEVNAME(sc->sc_dev), __func__)); 1430 sc->sc_link++; 1431 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1432 udav_start(ifp); 1433 } 1434 } 1435 1436 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc); 1437 1438 splx(s); 1439 } 1440 1441 /* Get exclusive access to the MII registers */ 1442 Static void 1443 udav_lock_mii(struct udav_softc *sc) 1444 { 1445 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1446 __func__)); 1447 1448 sc->sc_refcnt++; 1449 mutex_enter(&sc->sc_mii_lock); 1450 } 1451 1452 Static void 1453 udav_unlock_mii(struct udav_softc *sc) 1454 { 1455 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1456 __func__)); 1457 1458 mutex_exit(&sc->sc_mii_lock); 1459 if (--sc->sc_refcnt < 0) 1460 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1461 } 1462 1463 Static int 1464 udav_miibus_readreg(device_ptr_t dev, int phy, int reg) 1465 { 1466 struct udav_softc *sc; 1467 u_int8_t val[2]; 1468 u_int16_t data16; 1469 1470 if (dev == NULL) 1471 return (0); 1472 1473 sc = USBGETSOFTC(dev); 1474 1475 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1476 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1477 1478 if (sc->sc_dying) { 1479 #ifdef DIAGNOSTIC 1480 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1481 __func__); 1482 #endif 1483 return (0); 1484 } 1485 1486 /* XXX: one PHY only for the internal PHY */ 1487 if (phy != 0) { 1488 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1489 USBDEVNAME(sc->sc_dev), __func__, phy)); 1490 return (0); 1491 } 1492 1493 udav_lock_mii(sc); 1494 1495 /* select internal PHY and set PHY register address */ 1496 udav_csr_write1(sc, UDAV_EPAR, 1497 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1498 1499 /* select PHY operation and start read command */ 1500 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 1501 1502 /* XXX: should be wait? */ 1503 1504 /* end read command */ 1505 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 1506 1507 /* retrieve the result from data registers */ 1508 udav_csr_read(sc, UDAV_EPDRL, val, 2); 1509 1510 udav_unlock_mii(sc); 1511 1512 data16 = val[0] | (val[1] << 8); 1513 1514 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1515 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data16)); 1516 1517 return (data16); 1518 } 1519 1520 Static void 1521 udav_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1522 { 1523 struct udav_softc *sc; 1524 u_int8_t val[2]; 1525 1526 if (dev == NULL) 1527 return; 1528 1529 sc = USBGETSOFTC(dev); 1530 1531 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1532 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1533 1534 if (sc->sc_dying) { 1535 #ifdef DIAGNOSTIC 1536 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1537 __func__); 1538 #endif 1539 return; 1540 } 1541 1542 /* XXX: one PHY only for the internal PHY */ 1543 if (phy != 0) { 1544 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1545 USBDEVNAME(sc->sc_dev), __func__, phy)); 1546 return; 1547 } 1548 1549 udav_lock_mii(sc); 1550 1551 /* select internal PHY and set PHY register address */ 1552 udav_csr_write1(sc, UDAV_EPAR, 1553 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1554 1555 /* put the value to the data registers */ 1556 val[0] = data & 0xff; 1557 val[1] = (data >> 8) & 0xff; 1558 udav_csr_write(sc, UDAV_EPDRL, val, 2); 1559 1560 /* select PHY operation and start write command */ 1561 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 1562 1563 /* XXX: should be wait? */ 1564 1565 /* end write command */ 1566 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 1567 1568 udav_unlock_mii(sc); 1569 1570 return; 1571 } 1572 1573 Static void 1574 udav_miibus_statchg(device_ptr_t dev) 1575 { 1576 #ifdef UDAV_DEBUG 1577 struct udav_softc *sc; 1578 1579 if (dev == NULL) 1580 return; 1581 1582 sc = USBGETSOFTC(dev); 1583 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1584 #endif 1585 /* Nothing to do */ 1586 } 1587
Indexes created Tue Sep 30 17:09:57 GMT 2025