if_udav.c revision 1.31.12.1
1 /* $NetBSD: if_udav.c,v 1.31.12.1 2012/02/18 07:35:05 mrg 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 1.31.12.1 2012/02/18 07:35:05 mrg Exp $"); 48 49 #include "opt_inet.h" 50 51 #include <sys/param.h> 52 #include <sys/systm.h> 53 #include <sys/mutex.h> 54 #include <sys/mbuf.h> 55 #include <sys/kernel.h> 56 #include <sys/socket.h> 57 #include <sys/device.h> 58 #include <sys/rnd.h> 59 60 #include <net/if.h> 61 #include <net/if_arp.h> 62 #include <net/if_dl.h> 63 #include <net/if_media.h> 64 65 #include <net/bpf.h> 66 67 #include <net/if_ether.h> 68 #ifdef INET 69 #include <netinet/in.h> 70 #include <netinet/if_inarp.h> 71 #endif 72 73 #include <dev/mii/mii.h> 74 #include <dev/mii/miivar.h> 75 76 #include <dev/usb/usb.h> 77 #include <dev/usb/usbdi.h> 78 #include <dev/usb/usbdi_util.h> 79 #include <dev/usb/usbdevs.h> 80 81 #include <dev/usb/if_udavreg.h> 82 83 84 /* Function declarations */ 85 int udav_match(device_t, cfdata_t, void *); 86 void udav_attach(device_t, device_t, void *); 87 int udav_detach(device_t, int); 88 int udav_activate(device_t, enum devact); 89 extern struct cfdriver udav_cd; 90 CFATTACH_DECL_NEW(udav, sizeof(struct udav_softc), udav_match, udav_attach, udav_detach, udav_activate); 91 92 Static int udav_openpipes(struct udav_softc *); 93 Static int udav_rx_list_init(struct udav_softc *); 94 Static int udav_tx_list_init(struct udav_softc *); 95 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); 96 Static void udav_start(struct ifnet *); 97 Static int udav_send(struct udav_softc *, struct mbuf *, int); 98 Static void udav_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 99 Static void udav_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 100 Static void udav_tick(void *); 101 Static void udav_tick_task(void *); 102 Static int udav_ioctl(struct ifnet *, u_long, void *); 103 Static void udav_stop_task(struct udav_softc *); 104 Static void udav_stop(struct ifnet *, int); 105 Static void udav_watchdog(struct ifnet *); 106 Static int udav_ifmedia_change(struct ifnet *); 107 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 108 Static void udav_lock_mii(struct udav_softc *); 109 Static void udav_unlock_mii(struct udav_softc *); 110 Static int udav_miibus_readreg(device_t, int, int); 111 Static void udav_miibus_writereg(device_t, int, int, int); 112 Static void udav_miibus_statchg(device_t); 113 Static int udav_init(struct ifnet *); 114 Static void udav_setmulti(struct udav_softc *); 115 Static void udav_reset(struct udav_softc *); 116 117 Static int udav_csr_read(struct udav_softc *, int, void *, int); 118 Static int udav_csr_write(struct udav_softc *, int, void *, int); 119 Static int udav_csr_read1(struct udav_softc *, int); 120 Static int udav_csr_write1(struct udav_softc *, int, unsigned char); 121 122 #if 0 123 Static int udav_mem_read(struct udav_softc *, int, void *, int); 124 Static int udav_mem_write(struct udav_softc *, int, void *, int); 125 Static int udav_mem_write1(struct udav_softc *, int, unsigned char); 126 #endif 127 128 /* Macros */ 129 #ifdef UDAV_DEBUG 130 #define DPRINTF(x) if (udavdebug) printf x 131 #define DPRINTFN(n,x) if (udavdebug >= (n)) printf x 132 int udavdebug = 0; 133 #else 134 #define DPRINTF(x) 135 #define DPRINTFN(n,x) 136 #endif 137 138 #define UDAV_SETBIT(sc, reg, x) \ 139 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 140 141 #define UDAV_CLRBIT(sc, reg, x) \ 142 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 143 144 static const struct udav_type { 145 struct usb_devno udav_dev; 146 u_int16_t udav_flags; 147 #define UDAV_EXT_PHY 0x0001 148 } udav_devs [] = { 149 /* Corega USB-TXC */ 150 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, 151 /* ShanTou ST268 USB NIC */ 152 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, 153 /* ShanTou ADM8515 */ 154 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, 155 /* SUNRISING SR9600 */ 156 {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_SR9600 }, 0 }, 157 #if 0 158 /* DAVICOM DM9601 Generic? */ 159 /* XXX: The following ids was obtained from the data sheet. */ 160 {{ 0x0a46, 0x9601 }, 0}, 161 #endif 162 }; 163 #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) 164 165 166 /* Probe */ 167 int 168 udav_match(device_t parent, cfdata_t match, void *aux) 169 { 170 struct usb_attach_arg *uaa = aux; 171 172 return (udav_lookup(uaa->vendor, uaa->product) != NULL ? 173 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 174 } 175 176 /* Attach */ 177 void 178 udav_attach(device_t parent, device_t self, void *aux) 179 { 180 struct udav_softc *sc = device_private(self); 181 struct usb_attach_arg *uaa = aux; 182 usbd_device_handle dev = uaa->device; 183 usbd_interface_handle iface; 184 usbd_status err; 185 usb_interface_descriptor_t *id; 186 usb_endpoint_descriptor_t *ed; 187 char *devinfop; 188 struct ifnet *ifp; 189 struct mii_data *mii; 190 u_char eaddr[ETHER_ADDR_LEN]; 191 int i, s; 192 193 sc->sc_dev = self; 194 195 aprint_naive("\n"); 196 aprint_normal("\n"); 197 198 devinfop = usbd_devinfo_alloc(dev, 0); 199 aprint_normal_dev(self, "%s\n", devinfop); 200 usbd_devinfo_free(devinfop); 201 202 /* Move the device into the configured state. */ 203 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ 204 if (err) { 205 aprint_error_dev(self, "setting config no failed\n"); 206 goto bad; 207 } 208 209 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc); 210 mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); 211 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) udav_stop_task, sc); 212 213 /* get control interface */ 214 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); 215 if (err) { 216 aprint_error_dev(self, "failed to get interface, err=%s\n", 217 usbd_errstr(err)); 218 goto bad; 219 } 220 221 sc->sc_udev = dev; 222 sc->sc_ctl_iface = iface; 223 sc->sc_flags = udav_lookup(uaa->vendor, uaa->product)->udav_flags; 224 225 /* get interface descriptor */ 226 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 227 228 /* find endpoints */ 229 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 230 for (i = 0; i < id->bNumEndpoints; i++) { 231 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 232 if (ed == NULL) { 233 aprint_error_dev(self, "couldn't get endpoint %d\n", i); 234 goto bad; 235 } 236 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 237 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 238 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 239 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 240 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 241 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 242 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 244 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 245 } 246 247 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 248 sc->sc_intrin_no == -1) { 249 aprint_error_dev(self, "missing endpoint\n"); 250 goto bad; 251 } 252 253 s = splnet(); 254 255 /* reset the adapter */ 256 udav_reset(sc); 257 258 /* Get Ethernet Address */ 259 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); 260 if (err) { 261 aprint_error_dev(self, "read MAC address failed\n"); 262 splx(s); 263 goto bad; 264 } 265 266 /* Print Ethernet Address */ 267 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 268 269 /* initialize interface information */ 270 ifp = GET_IFP(sc); 271 ifp->if_softc = sc; 272 ifp->if_mtu = ETHERMTU; 273 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 274 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 275 ifp->if_start = udav_start; 276 ifp->if_ioctl = udav_ioctl; 277 ifp->if_watchdog = udav_watchdog; 278 ifp->if_init = udav_init; 279 ifp->if_stop = udav_stop; 280 281 IFQ_SET_READY(&ifp->if_snd); 282 283 /* 284 * Do ifmedia setup. 285 */ 286 mii = &sc->sc_mii; 287 mii->mii_ifp = ifp; 288 mii->mii_readreg = udav_miibus_readreg; 289 mii->mii_writereg = udav_miibus_writereg; 290 mii->mii_statchg = udav_miibus_statchg; 291 mii->mii_flags = MIIF_AUTOTSLEEP; 292 sc->sc_ec.ec_mii = mii; 293 ifmedia_init(&mii->mii_media, 0, 294 udav_ifmedia_change, udav_ifmedia_status); 295 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 296 if (LIST_FIRST(&mii->mii_phys) == NULL) { 297 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 298 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 299 } else 300 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 301 302 /* attach the interface */ 303 if_attach(ifp); 304 ether_ifattach(ifp, eaddr); 305 306 rnd_attach_source(&sc->rnd_source, device_xname(self), 307 RND_TYPE_NET, 0); 308 309 callout_init(&sc->sc_stat_ch, 0); 310 sc->sc_attached = 1; 311 splx(s); 312 313 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 314 315 return; 316 317 bad: 318 sc->sc_dying = 1; 319 return; 320 } 321 322 /* detach */ 323 int 324 udav_detach(device_t self, int flags) 325 { 326 struct udav_softc *sc = device_private(self); 327 struct ifnet *ifp = GET_IFP(sc); 328 int s; 329 330 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 331 332 /* Detached before attached finished */ 333 if (!sc->sc_attached) 334 return (0); 335 336 callout_stop(&sc->sc_stat_ch); 337 338 /* Remove any pending tasks */ 339 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 340 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 341 342 s = splusb(); 343 344 if (--sc->sc_refcnt >= 0) { 345 /* Wait for processes to go away */ 346 usb_detach_wait(sc->sc_dev); 347 } 348 if (ifp->if_flags & IFF_RUNNING) 349 udav_stop(GET_IFP(sc), 1); 350 351 rnd_detach_source(&sc->rnd_source); 352 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 353 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 354 ether_ifdetach(ifp); 355 if_detach(ifp); 356 357 #ifdef DIAGNOSTIC 358 if (sc->sc_pipe_tx != NULL) 359 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 360 if (sc->sc_pipe_rx != NULL) 361 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 362 if (sc->sc_pipe_intr != NULL) 363 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 364 #endif 365 sc->sc_attached = 0; 366 367 splx(s); 368 369 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 370 sc->sc_dev); 371 372 mutex_destroy(&sc->sc_mii_lock); 373 374 return (0); 375 } 376 377 #if 0 378 /* read memory */ 379 Static int 380 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) 381 { 382 usb_device_request_t req; 383 usbd_status err; 384 385 if (sc == NULL) 386 return (0); 387 388 DPRINTFN(0x200, 389 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 390 391 if (sc->sc_dying) 392 return (0); 393 394 offset &= 0xffff; 395 len &= 0xff; 396 397 req.bmRequestType = UT_READ_VENDOR_DEVICE; 398 req.bRequest = UDAV_REQ_MEM_READ; 399 USETW(req.wValue, 0x0000); 400 USETW(req.wIndex, offset); 401 USETW(req.wLength, len); 402 403 sc->sc_refcnt++; 404 err = usbd_do_request(sc->sc_udev, &req, buf); 405 if (--sc->sc_refcnt < 0) 406 usb_detach_wakeup(sc->sc_dev); 407 if (err) { 408 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 409 device_xname(sc->sc_dev), __func__, offset, err)); 410 } 411 412 return (err); 413 } 414 415 /* write memory */ 416 Static int 417 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) 418 { 419 usb_device_request_t req; 420 usbd_status err; 421 422 if (sc == NULL) 423 return (0); 424 425 DPRINTFN(0x200, 426 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 427 428 if (sc->sc_dying) 429 return (0); 430 431 offset &= 0xffff; 432 len &= 0xff; 433 434 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 435 req.bRequest = UDAV_REQ_MEM_WRITE; 436 USETW(req.wValue, 0x0000); 437 USETW(req.wIndex, offset); 438 USETW(req.wLength, len); 439 440 sc->sc_refcnt++; 441 err = usbd_do_request(sc->sc_udev, &req, buf); 442 if (--sc->sc_refcnt < 0) 443 usb_detach_wakeup(sc->sc_dev); 444 if (err) { 445 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 446 device_xname(sc->sc_dev), __func__, offset, err)); 447 } 448 449 return (err); 450 } 451 452 /* write memory */ 453 Static int 454 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) 455 { 456 usb_device_request_t req; 457 usbd_status err; 458 459 if (sc == NULL) 460 return (0); 461 462 DPRINTFN(0x200, 463 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 464 465 if (sc->sc_dying) 466 return (0); 467 468 offset &= 0xffff; 469 470 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 471 req.bRequest = UDAV_REQ_MEM_WRITE1; 472 USETW(req.wValue, ch); 473 USETW(req.wIndex, offset); 474 USETW(req.wLength, 0x0000); 475 476 sc->sc_refcnt++; 477 err = usbd_do_request(sc->sc_udev, &req, NULL); 478 if (--sc->sc_refcnt < 0) 479 usb_detach_wakeup(sc->sc_dev); 480 if (err) { 481 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 482 device_xname(sc->sc_dev), __func__, offset, err)); 483 } 484 485 return (err); 486 } 487 #endif 488 489 /* read register(s) */ 490 Static int 491 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) 492 { 493 usb_device_request_t req; 494 usbd_status err; 495 496 if (sc == NULL) 497 return (0); 498 499 DPRINTFN(0x200, 500 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 501 502 if (sc->sc_dying) 503 return (0); 504 505 offset &= 0xff; 506 len &= 0xff; 507 508 req.bmRequestType = UT_READ_VENDOR_DEVICE; 509 req.bRequest = UDAV_REQ_REG_READ; 510 USETW(req.wValue, 0x0000); 511 USETW(req.wIndex, offset); 512 USETW(req.wLength, len); 513 514 sc->sc_refcnt++; 515 err = usbd_do_request(sc->sc_udev, &req, buf); 516 if (--sc->sc_refcnt < 0) 517 usb_detach_wakeup(sc->sc_dev); 518 if (err) { 519 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 520 device_xname(sc->sc_dev), __func__, offset, err)); 521 } 522 523 return (err); 524 } 525 526 /* write register(s) */ 527 Static int 528 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) 529 { 530 usb_device_request_t req; 531 usbd_status err; 532 533 if (sc == NULL) 534 return (0); 535 536 DPRINTFN(0x200, 537 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 538 539 if (sc->sc_dying) 540 return (0); 541 542 offset &= 0xff; 543 len &= 0xff; 544 545 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 546 req.bRequest = UDAV_REQ_REG_WRITE; 547 USETW(req.wValue, 0x0000); 548 USETW(req.wIndex, offset); 549 USETW(req.wLength, len); 550 551 sc->sc_refcnt++; 552 err = usbd_do_request(sc->sc_udev, &req, buf); 553 if (--sc->sc_refcnt < 0) 554 usb_detach_wakeup(sc->sc_dev); 555 if (err) { 556 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 557 device_xname(sc->sc_dev), __func__, offset, err)); 558 } 559 560 return (err); 561 } 562 563 Static int 564 udav_csr_read1(struct udav_softc *sc, int offset) 565 { 566 u_int8_t val = 0; 567 568 if (sc == NULL) 569 return (0); 570 571 DPRINTFN(0x200, 572 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 573 574 if (sc->sc_dying) 575 return (0); 576 577 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val); 578 } 579 580 /* write a register */ 581 Static int 582 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) 583 { 584 usb_device_request_t req; 585 usbd_status err; 586 587 if (sc == NULL) 588 return (0); 589 590 DPRINTFN(0x200, 591 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 592 593 if (sc->sc_dying) 594 return (0); 595 596 offset &= 0xff; 597 598 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 599 req.bRequest = UDAV_REQ_REG_WRITE1; 600 USETW(req.wValue, ch); 601 USETW(req.wIndex, offset); 602 USETW(req.wLength, 0x0000); 603 604 sc->sc_refcnt++; 605 err = usbd_do_request(sc->sc_udev, &req, NULL); 606 if (--sc->sc_refcnt < 0) 607 usb_detach_wakeup(sc->sc_dev); 608 if (err) { 609 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 610 device_xname(sc->sc_dev), __func__, offset, err)); 611 } 612 613 return (err); 614 } 615 616 Static int 617 udav_init(struct ifnet *ifp) 618 { 619 struct udav_softc *sc = ifp->if_softc; 620 struct mii_data *mii = GET_MII(sc); 621 uint8_t eaddr[ETHER_ADDR_LEN]; 622 int rc, s; 623 624 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 625 626 if (sc->sc_dying) 627 return (EIO); 628 629 s = splnet(); 630 631 /* Cancel pending I/O and free all TX/RX buffers */ 632 udav_stop(ifp, 1); 633 634 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 635 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); 636 637 /* Initialize network control register */ 638 /* Disable loopback */ 639 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 640 641 /* Initialize RX control register */ 642 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 643 644 /* If we want promiscuous mode, accept all physical frames. */ 645 if (ifp->if_flags & IFF_PROMISC) 646 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 647 else 648 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 649 650 /* Initialize transmit ring */ 651 if (udav_tx_list_init(sc) == ENOBUFS) { 652 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 653 splx(s); 654 return (EIO); 655 } 656 657 /* Initialize receive ring */ 658 if (udav_rx_list_init(sc) == ENOBUFS) { 659 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 660 splx(s); 661 return (EIO); 662 } 663 664 /* Load the multicast filter */ 665 udav_setmulti(sc); 666 667 /* Enable RX */ 668 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 669 670 /* clear POWER_DOWN state of internal PHY */ 671 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 672 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 673 674 if ((rc = mii_mediachg(mii)) == ENXIO) 675 rc = 0; 676 else if (rc != 0) 677 goto out; 678 679 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 680 if (udav_openpipes(sc)) { 681 splx(s); 682 return (EIO); 683 } 684 } 685 686 ifp->if_flags |= IFF_RUNNING; 687 ifp->if_flags &= ~IFF_OACTIVE; 688 689 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 690 691 out: 692 splx(s); 693 return rc; 694 } 695 696 Static void 697 udav_reset(struct udav_softc *sc) 698 { 699 int i; 700 701 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 702 703 if (sc->sc_dying) 704 return; 705 706 /* Select PHY */ 707 #if 1 708 /* 709 * XXX: force select internal phy. 710 * external phy routines are not tested. 711 */ 712 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 713 #else 714 if (sc->sc_flags & UDAV_EXT_PHY) { 715 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 716 } else { 717 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 718 } 719 #endif 720 721 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 722 723 for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 724 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 725 break; 726 delay(10); /* XXX */ 727 } 728 delay(10000); /* XXX */ 729 } 730 731 int 732 udav_activate(device_t self, enum devact act) 733 { 734 struct udav_softc *sc = device_private(self); 735 736 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 737 __func__, act)); 738 switch (act) { 739 case DVACT_DEACTIVATE: 740 if_deactivate(&sc->sc_ec.ec_if); 741 sc->sc_dying = 1; 742 return 0; 743 default: 744 return EOPNOTSUPP; 745 } 746 } 747 748 #define UDAV_BITS 6 749 750 #define UDAV_CALCHASH(addr) \ 751 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) 752 753 Static void 754 udav_setmulti(struct udav_softc *sc) 755 { 756 struct ifnet *ifp; 757 struct ether_multi *enm; 758 struct ether_multistep step; 759 u_int8_t hashes[8]; 760 int h = 0; 761 762 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 763 764 if (sc->sc_dying) 765 return; 766 767 ifp = GET_IFP(sc); 768 769 if (ifp->if_flags & IFF_PROMISC) { 770 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 771 return; 772 } else if (ifp->if_flags & IFF_ALLMULTI) { 773 allmulti: 774 ifp->if_flags |= IFF_ALLMULTI; 775 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 776 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 777 return; 778 } 779 780 /* first, zot all the existing hash bits */ 781 memset(hashes, 0x00, sizeof(hashes)); 782 hashes[7] |= 0x80; /* broadcast address */ 783 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 784 785 /* now program new ones */ 786 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 787 while (enm != NULL) { 788 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 789 ETHER_ADDR_LEN) != 0) 790 goto allmulti; 791 792 h = UDAV_CALCHASH(enm->enm_addrlo); 793 hashes[h>>3] |= 1 << (h & 0x7); 794 ETHER_NEXT_MULTI(step, enm); 795 } 796 797 /* disable all multicast */ 798 ifp->if_flags &= ~IFF_ALLMULTI; 799 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 800 801 /* write hash value to the register */ 802 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 803 } 804 805 Static int 806 udav_openpipes(struct udav_softc *sc) 807 { 808 struct udav_chain *c; 809 usbd_status err; 810 int i; 811 int error = 0; 812 813 if (sc->sc_dying) 814 return (EIO); 815 816 sc->sc_refcnt++; 817 818 /* Open RX pipe */ 819 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 820 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 821 if (err) { 822 printf("%s: open rx pipe failed: %s\n", 823 device_xname(sc->sc_dev), usbd_errstr(err)); 824 error = EIO; 825 goto done; 826 } 827 828 /* Open TX pipe */ 829 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 830 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 831 if (err) { 832 printf("%s: open tx pipe failed: %s\n", 833 device_xname(sc->sc_dev), usbd_errstr(err)); 834 error = EIO; 835 goto done; 836 } 837 838 #if 0 839 /* XXX: interrupt endpoint is not yet supported */ 840 /* Open Interrupt pipe */ 841 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 842 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 843 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, 844 udav_intr, USBD_DEFAULT_INTERVAL); 845 if (err) { 846 printf("%s: open intr pipe failed: %s\n", 847 device_xname(sc->sc_dev), usbd_errstr(err)); 848 error = EIO; 849 goto done; 850 } 851 #endif 852 853 854 /* Start up the receive pipe. */ 855 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 856 c = &sc->sc_cdata.udav_rx_chain[i]; 857 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_rx, 858 c, c->udav_buf, UDAV_BUFSZ, 859 USBD_SHORT_XFER_OK | USBD_NO_COPY, 860 USBD_NO_TIMEOUT, udav_rxeof); 861 (void)usbd_transfer(c->udav_xfer); 862 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 863 __func__)); 864 } 865 866 done: 867 if (--sc->sc_refcnt < 0) 868 usb_detach_wakeup(sc->sc_dev); 869 870 return (error); 871 } 872 873 Static int 874 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) 875 { 876 struct mbuf *m_new = NULL; 877 878 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 879 880 if (m == NULL) { 881 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 882 if (m_new == NULL) { 883 printf("%s: no memory for rx list " 884 "-- packet dropped!\n", device_xname(sc->sc_dev)); 885 return (ENOBUFS); 886 } 887 MCLGET(m_new, M_DONTWAIT); 888 if (!(m_new->m_flags & M_EXT)) { 889 printf("%s: no memory for rx list " 890 "-- packet dropped!\n", device_xname(sc->sc_dev)); 891 m_freem(m_new); 892 return (ENOBUFS); 893 } 894 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 895 } else { 896 m_new = m; 897 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 898 m_new->m_data = m_new->m_ext.ext_buf; 899 } 900 901 m_adj(m_new, ETHER_ALIGN); 902 c->udav_mbuf = m_new; 903 904 return (0); 905 } 906 907 908 Static int 909 udav_rx_list_init(struct udav_softc *sc) 910 { 911 struct udav_cdata *cd; 912 struct udav_chain *c; 913 int i; 914 915 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 916 917 cd = &sc->sc_cdata; 918 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 919 c = &cd->udav_rx_chain[i]; 920 c->udav_sc = sc; 921 c->udav_idx = i; 922 if (udav_newbuf(sc, c, NULL) == ENOBUFS) 923 return (ENOBUFS); 924 if (c->udav_xfer == NULL) { 925 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 926 if (c->udav_xfer == NULL) 927 return (ENOBUFS); 928 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 929 if (c->udav_buf == NULL) { 930 usbd_free_xfer(c->udav_xfer); 931 return (ENOBUFS); 932 } 933 } 934 } 935 936 return (0); 937 } 938 939 Static int 940 udav_tx_list_init(struct udav_softc *sc) 941 { 942 struct udav_cdata *cd; 943 struct udav_chain *c; 944 int i; 945 946 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 947 948 cd = &sc->sc_cdata; 949 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 950 c = &cd->udav_tx_chain[i]; 951 c->udav_sc = sc; 952 c->udav_idx = i; 953 c->udav_mbuf = NULL; 954 if (c->udav_xfer == NULL) { 955 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 956 if (c->udav_xfer == NULL) 957 return (ENOBUFS); 958 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 959 if (c->udav_buf == NULL) { 960 usbd_free_xfer(c->udav_xfer); 961 return (ENOBUFS); 962 } 963 } 964 } 965 966 return (0); 967 } 968 969 Static void 970 udav_start(struct ifnet *ifp) 971 { 972 struct udav_softc *sc = ifp->if_softc; 973 struct mbuf *m_head = NULL; 974 975 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 976 __func__, sc->sc_link)); 977 978 if (sc->sc_dying) 979 return; 980 981 if (!sc->sc_link) 982 return; 983 984 if (ifp->if_flags & IFF_OACTIVE) 985 return; 986 987 IFQ_POLL(&ifp->if_snd, m_head); 988 if (m_head == NULL) 989 return; 990 991 if (udav_send(sc, m_head, 0)) { 992 ifp->if_flags |= IFF_OACTIVE; 993 return; 994 } 995 996 IFQ_DEQUEUE(&ifp->if_snd, m_head); 997 998 bpf_mtap(ifp, m_head); 999 1000 ifp->if_flags |= IFF_OACTIVE; 1001 1002 /* Set a timeout in case the chip goes out to lunch. */ 1003 ifp->if_timer = 5; 1004 } 1005 1006 Static int 1007 udav_send(struct udav_softc *sc, struct mbuf *m, int idx) 1008 { 1009 int total_len; 1010 struct udav_chain *c; 1011 usbd_status err; 1012 1013 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1014 1015 c = &sc->sc_cdata.udav_tx_chain[idx]; 1016 1017 /* Copy the mbuf data into a contiguous buffer */ 1018 /* first 2 bytes are packet length */ 1019 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); 1020 c->udav_mbuf = m; 1021 total_len = m->m_pkthdr.len; 1022 if (total_len < UDAV_MIN_FRAME_LEN) { 1023 memset(c->udav_buf + 2 + total_len, 0, 1024 UDAV_MIN_FRAME_LEN - total_len); 1025 total_len = UDAV_MIN_FRAME_LEN; 1026 } 1027 1028 /* Frame length is specified in the first 2bytes of the buffer */ 1029 c->udav_buf[0] = (u_int8_t)total_len; 1030 c->udav_buf[1] = (u_int8_t)(total_len >> 8); 1031 total_len += 2; 1032 1033 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_tx, c, c->udav_buf, total_len, 1034 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1035 UDAV_TX_TIMEOUT, udav_txeof); 1036 1037 /* Transmit */ 1038 sc->sc_refcnt++; 1039 err = usbd_transfer(c->udav_xfer); 1040 if (--sc->sc_refcnt < 0) 1041 usb_detach_wakeup(sc->sc_dev); 1042 if (err != USBD_IN_PROGRESS) { 1043 printf("%s: udav_send error=%s\n", device_xname(sc->sc_dev), 1044 usbd_errstr(err)); 1045 /* Stop the interface */ 1046 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 1047 USB_TASKQ_DRIVER); 1048 return (EIO); 1049 } 1050 1051 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 1052 __func__, total_len)); 1053 1054 sc->sc_cdata.udav_tx_cnt++; 1055 1056 return (0); 1057 } 1058 1059 Static void 1060 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 1061 usbd_status status) 1062 { 1063 struct udav_chain *c = priv; 1064 struct udav_softc *sc = c->udav_sc; 1065 struct ifnet *ifp = GET_IFP(sc); 1066 int s; 1067 1068 if (sc->sc_dying) 1069 return; 1070 1071 s = splnet(); 1072 1073 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1074 1075 ifp->if_timer = 0; 1076 ifp->if_flags &= ~IFF_OACTIVE; 1077 1078 if (status != USBD_NORMAL_COMPLETION) { 1079 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1080 splx(s); 1081 return; 1082 } 1083 ifp->if_oerrors++; 1084 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 1085 usbd_errstr(status)); 1086 if (status == USBD_STALLED) { 1087 sc->sc_refcnt++; 1088 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 1089 if (--sc->sc_refcnt < 0) 1090 usb_detach_wakeup(sc->sc_dev); 1091 } 1092 splx(s); 1093 return; 1094 } 1095 1096 ifp->if_opackets++; 1097 1098 m_freem(c->udav_mbuf); 1099 c->udav_mbuf = NULL; 1100 1101 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1102 udav_start(ifp); 1103 1104 splx(s); 1105 } 1106 1107 Static void 1108 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1109 { 1110 struct udav_chain *c = priv; 1111 struct udav_softc *sc = c->udav_sc; 1112 struct ifnet *ifp = GET_IFP(sc); 1113 struct mbuf *m; 1114 u_int32_t total_len; 1115 u_int8_t *pktstat; 1116 int s; 1117 1118 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1119 1120 if (sc->sc_dying) 1121 return; 1122 1123 if (status != USBD_NORMAL_COMPLETION) { 1124 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1125 return; 1126 sc->sc_rx_errs++; 1127 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1128 printf("%s: %u usb errors on rx: %s\n", 1129 device_xname(sc->sc_dev), sc->sc_rx_errs, 1130 usbd_errstr(status)); 1131 sc->sc_rx_errs = 0; 1132 } 1133 if (status == USBD_STALLED) { 1134 sc->sc_refcnt++; 1135 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1136 if (--sc->sc_refcnt < 0) 1137 usb_detach_wakeup(sc->sc_dev); 1138 } 1139 goto done; 1140 } 1141 1142 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1143 1144 /* copy data to mbuf */ 1145 m = c->udav_mbuf; 1146 memcpy(mtod(m, char *), c->udav_buf, total_len); 1147 1148 /* first byte in received data */ 1149 pktstat = mtod(m, u_int8_t *); 1150 m_adj(m, sizeof(u_int8_t)); 1151 DPRINTF(("%s: RX Status: 0x%02x\n", device_xname(sc->sc_dev), 1152 *pktstat)); 1153 1154 total_len = UGETW(mtod(m, u_int8_t *)); 1155 m_adj(m, sizeof(u_int16_t)); 1156 1157 if (*pktstat & UDAV_RSR_LCS) { 1158 ifp->if_collisions++; 1159 goto done; 1160 } 1161 1162 if (total_len < sizeof(struct ether_header) || 1163 *pktstat & UDAV_RSR_ERR) { 1164 ifp->if_ierrors++; 1165 goto done; 1166 } 1167 1168 ifp->if_ipackets++; 1169 total_len -= ETHER_CRC_LEN; 1170 1171 m->m_pkthdr.len = m->m_len = total_len; 1172 m->m_pkthdr.rcvif = ifp; 1173 1174 s = splnet(); 1175 1176 if (udav_newbuf(sc, c, NULL) == ENOBUFS) { 1177 ifp->if_ierrors++; 1178 goto done1; 1179 } 1180 1181 bpf_mtap(ifp, m); 1182 1183 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1184 __func__, m->m_len)); 1185 (*(ifp)->if_input)((ifp), (m)); 1186 1187 done1: 1188 splx(s); 1189 1190 done: 1191 /* Setup new transfer */ 1192 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->udav_buf, UDAV_BUFSZ, 1193 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1194 USBD_NO_TIMEOUT, udav_rxeof); 1195 sc->sc_refcnt++; 1196 usbd_transfer(xfer); 1197 if (--sc->sc_refcnt < 0) 1198 usb_detach_wakeup(sc->sc_dev); 1199 1200 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1201 } 1202 1203 #if 0 1204 Static void udav_intr(void) 1205 { 1206 } 1207 #endif 1208 1209 Static int 1210 udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1211 { 1212 struct udav_softc *sc = ifp->if_softc; 1213 int s, error = 0; 1214 1215 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1216 1217 if (sc->sc_dying) 1218 return (EIO); 1219 1220 s = splnet(); 1221 1222 error = ether_ioctl(ifp, cmd, data); 1223 if (error == ENETRESET) { 1224 if (ifp->if_flags & IFF_RUNNING) 1225 udav_setmulti(sc); 1226 error = 0; 1227 } 1228 1229 splx(s); 1230 1231 return (error); 1232 } 1233 1234 Static void 1235 udav_watchdog(struct ifnet *ifp) 1236 { 1237 struct udav_softc *sc = ifp->if_softc; 1238 struct udav_chain *c; 1239 usbd_status stat; 1240 int s; 1241 1242 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1243 1244 ifp->if_oerrors++; 1245 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1246 1247 s = splusb(); 1248 c = &sc->sc_cdata.udav_tx_chain[0]; 1249 usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); 1250 udav_txeof(c->udav_xfer, c, stat); 1251 1252 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1253 udav_start(ifp); 1254 splx(s); 1255 } 1256 1257 Static void 1258 udav_stop_task(struct udav_softc *sc) 1259 { 1260 udav_stop(GET_IFP(sc), 1); 1261 } 1262 1263 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1264 Static void 1265 udav_stop(struct ifnet *ifp, int disable) 1266 { 1267 struct udav_softc *sc = ifp->if_softc; 1268 usbd_status err; 1269 int i; 1270 1271 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1272 1273 ifp->if_timer = 0; 1274 1275 udav_reset(sc); 1276 1277 callout_stop(&sc->sc_stat_ch); 1278 1279 /* Stop transfers */ 1280 /* RX endpoint */ 1281 if (sc->sc_pipe_rx != NULL) { 1282 err = usbd_abort_pipe(sc->sc_pipe_rx); 1283 if (err) 1284 printf("%s: abort rx pipe failed: %s\n", 1285 device_xname(sc->sc_dev), usbd_errstr(err)); 1286 err = usbd_close_pipe(sc->sc_pipe_rx); 1287 if (err) 1288 printf("%s: close rx pipe failed: %s\n", 1289 device_xname(sc->sc_dev), usbd_errstr(err)); 1290 sc->sc_pipe_rx = NULL; 1291 } 1292 1293 /* TX endpoint */ 1294 if (sc->sc_pipe_tx != NULL) { 1295 err = usbd_abort_pipe(sc->sc_pipe_tx); 1296 if (err) 1297 printf("%s: abort tx pipe failed: %s\n", 1298 device_xname(sc->sc_dev), usbd_errstr(err)); 1299 err = usbd_close_pipe(sc->sc_pipe_tx); 1300 if (err) 1301 printf("%s: close tx pipe failed: %s\n", 1302 device_xname(sc->sc_dev), usbd_errstr(err)); 1303 sc->sc_pipe_tx = NULL; 1304 } 1305 1306 #if 0 1307 /* XXX: Interrupt endpoint is not yet supported!! */ 1308 /* Interrupt endpoint */ 1309 if (sc->sc_pipe_intr != NULL) { 1310 err = usbd_abort_pipe(sc->sc_pipe_intr); 1311 if (err) 1312 printf("%s: abort intr pipe failed: %s\n", 1313 device_xname(sc->sc_dev), usbd_errstr(err)); 1314 err = usbd_close_pipe(sc->sc_pipe_intr); 1315 if (err) 1316 printf("%s: close intr pipe failed: %s\n", 1317 device_xname(sc->sc_dev), usbd_errstr(err)); 1318 sc->sc_pipe_intr = NULL; 1319 } 1320 #endif 1321 1322 /* Free RX resources. */ 1323 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 1324 if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { 1325 m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); 1326 sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; 1327 } 1328 if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { 1329 usbd_free_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); 1330 sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; 1331 } 1332 } 1333 1334 /* Free TX resources. */ 1335 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 1336 if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { 1337 m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); 1338 sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; 1339 } 1340 if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { 1341 usbd_free_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); 1342 sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; 1343 } 1344 } 1345 1346 sc->sc_link = 0; 1347 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1348 } 1349 1350 /* Set media options */ 1351 Static int 1352 udav_ifmedia_change(struct ifnet *ifp) 1353 { 1354 struct udav_softc *sc = ifp->if_softc; 1355 struct mii_data *mii = GET_MII(sc); 1356 int rc; 1357 1358 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1359 1360 if (sc->sc_dying) 1361 return (0); 1362 1363 sc->sc_link = 0; 1364 if ((rc = mii_mediachg(mii)) == ENXIO) 1365 return 0; 1366 return rc; 1367 } 1368 1369 /* Report current media status. */ 1370 Static void 1371 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1372 { 1373 struct udav_softc *sc = ifp->if_softc; 1374 1375 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1376 1377 if (sc->sc_dying) 1378 return; 1379 1380 ether_mediastatus(ifp, ifmr); 1381 } 1382 1383 Static void 1384 udav_tick(void *xsc) 1385 { 1386 struct udav_softc *sc = xsc; 1387 1388 if (sc == NULL) 1389 return; 1390 1391 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1392 __func__)); 1393 1394 if (sc->sc_dying) 1395 return; 1396 1397 /* Perform periodic stuff in process context */ 1398 usb_add_task(sc->sc_udev, &sc->sc_tick_task, 1399 USB_TASKQ_DRIVER); 1400 } 1401 1402 Static void 1403 udav_tick_task(void *xsc) 1404 { 1405 struct udav_softc *sc = xsc; 1406 struct ifnet *ifp; 1407 struct mii_data *mii; 1408 int s; 1409 1410 if (sc == NULL) 1411 return; 1412 1413 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1414 __func__)); 1415 1416 if (sc->sc_dying) 1417 return; 1418 1419 ifp = GET_IFP(sc); 1420 mii = GET_MII(sc); 1421 1422 if (mii == NULL) 1423 return; 1424 1425 s = splnet(); 1426 1427 mii_tick(mii); 1428 if (!sc->sc_link) { 1429 mii_pollstat(mii); 1430 if (mii->mii_media_status & IFM_ACTIVE && 1431 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1432 DPRINTF(("%s: %s: got link\n", 1433 device_xname(sc->sc_dev), __func__)); 1434 sc->sc_link++; 1435 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1436 udav_start(ifp); 1437 } 1438 } 1439 1440 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 1441 1442 splx(s); 1443 } 1444 1445 /* Get exclusive access to the MII registers */ 1446 Static void 1447 udav_lock_mii(struct udav_softc *sc) 1448 { 1449 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1450 __func__)); 1451 1452 sc->sc_refcnt++; 1453 mutex_enter(&sc->sc_mii_lock); 1454 } 1455 1456 Static void 1457 udav_unlock_mii(struct udav_softc *sc) 1458 { 1459 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1460 __func__)); 1461 1462 mutex_exit(&sc->sc_mii_lock); 1463 if (--sc->sc_refcnt < 0) 1464 usb_detach_wakeup(sc->sc_dev); 1465 } 1466 1467 Static int 1468 udav_miibus_readreg(device_t dev, int phy, int reg) 1469 { 1470 struct udav_softc *sc; 1471 u_int8_t val[2]; 1472 u_int16_t data16; 1473 1474 if (dev == NULL) 1475 return (0); 1476 1477 sc = device_private(dev); 1478 1479 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1480 device_xname(sc->sc_dev), __func__, phy, reg)); 1481 1482 if (sc->sc_dying) { 1483 #ifdef DIAGNOSTIC 1484 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1485 __func__); 1486 #endif 1487 return (0); 1488 } 1489 1490 /* XXX: one PHY only for the internal PHY */ 1491 if (phy != 0) { 1492 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1493 device_xname(sc->sc_dev), __func__, phy)); 1494 return (0); 1495 } 1496 1497 udav_lock_mii(sc); 1498 1499 /* select internal PHY and set PHY register address */ 1500 udav_csr_write1(sc, UDAV_EPAR, 1501 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1502 1503 /* select PHY operation and start read command */ 1504 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 1505 1506 /* XXX: should be wait? */ 1507 1508 /* end read command */ 1509 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 1510 1511 /* retrieve the result from data registers */ 1512 udav_csr_read(sc, UDAV_EPDRL, val, 2); 1513 1514 udav_unlock_mii(sc); 1515 1516 data16 = val[0] | (val[1] << 8); 1517 1518 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1519 device_xname(sc->sc_dev), __func__, phy, reg, data16)); 1520 1521 return (data16); 1522 } 1523 1524 Static void 1525 udav_miibus_writereg(device_t dev, int phy, int reg, int data) 1526 { 1527 struct udav_softc *sc; 1528 u_int8_t val[2]; 1529 1530 if (dev == NULL) 1531 return; 1532 1533 sc = device_private(dev); 1534 1535 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1536 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1537 1538 if (sc->sc_dying) { 1539 #ifdef DIAGNOSTIC 1540 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1541 __func__); 1542 #endif 1543 return; 1544 } 1545 1546 /* XXX: one PHY only for the internal PHY */ 1547 if (phy != 0) { 1548 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1549 device_xname(sc->sc_dev), __func__, phy)); 1550 return; 1551 } 1552 1553 udav_lock_mii(sc); 1554 1555 /* select internal PHY and set PHY register address */ 1556 udav_csr_write1(sc, UDAV_EPAR, 1557 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1558 1559 /* put the value to the data registers */ 1560 val[0] = data & 0xff; 1561 val[1] = (data >> 8) & 0xff; 1562 udav_csr_write(sc, UDAV_EPDRL, val, 2); 1563 1564 /* select PHY operation and start write command */ 1565 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 1566 1567 /* XXX: should be wait? */ 1568 1569 /* end write command */ 1570 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 1571 1572 udav_unlock_mii(sc); 1573 1574 return; 1575 } 1576 1577 Static void 1578 udav_miibus_statchg(device_t dev) 1579 { 1580 #ifdef UDAV_DEBUG 1581 struct udav_softc *sc; 1582 1583 if (dev == NULL) 1584 return; 1585 1586 sc = device_private(dev); 1587 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1588 #endif 1589 /* Nothing to do */ 1590 } 1591
Indexes created Wed Oct 15 16:09:53 GMT 2025