if_udav.c revision 1.38
1 /* $NetBSD: if_udav.c,v 1.38 2012/07/22 14:33:05 matt 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 (at) 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 1.38 2012/07/22 14:33:05 matt Exp $"); 49 50 #include "opt_inet.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 #include <sys/rnd.h> 60 61 #include <net/if.h> 62 #include <net/if_arp.h> 63 #include <net/if_dl.h> 64 #include <net/if_media.h> 65 66 #include <net/bpf.h> 67 68 #include <net/if_ether.h> 69 #ifdef INET 70 #include <netinet/in.h> 71 #include <netinet/if_inarp.h> 72 #endif 73 74 #include <dev/mii/mii.h> 75 #include <dev/mii/miivar.h> 76 77 #include <dev/usb/usb.h> 78 #include <dev/usb/usbdi.h> 79 #include <dev/usb/usbdi_util.h> 80 #include <dev/usb/usbdevs.h> 81 82 #include <dev/usb/if_udavreg.h> 83 84 85 /* Function declarations */ 86 int udav_match(device_t, cfdata_t, void *); 87 void udav_attach(device_t, device_t, void *); 88 int udav_detach(device_t, int); 89 int udav_activate(device_t, enum devact); 90 extern struct cfdriver udav_cd; 91 CFATTACH_DECL_NEW(udav, sizeof(struct udav_softc), udav_match, udav_attach, udav_detach, udav_activate); 92 93 Static int udav_openpipes(struct udav_softc *); 94 Static int udav_rx_list_init(struct udav_softc *); 95 Static int udav_tx_list_init(struct udav_softc *); 96 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); 97 Static void udav_start(struct ifnet *); 98 Static int udav_send(struct udav_softc *, struct mbuf *, int); 99 Static void udav_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 100 Static void udav_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 101 Static void udav_tick(void *); 102 Static void udav_tick_task(void *); 103 Static int udav_ioctl(struct ifnet *, u_long, void *); 104 Static void udav_stop_task(struct udav_softc *); 105 Static void udav_stop(struct ifnet *, int); 106 Static void udav_watchdog(struct ifnet *); 107 Static int udav_ifmedia_change(struct ifnet *); 108 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 109 Static void udav_lock_mii(struct udav_softc *); 110 Static void udav_unlock_mii(struct udav_softc *); 111 Static int udav_miibus_readreg(device_t, int, int); 112 Static void udav_miibus_writereg(device_t, int, int, int); 113 Static void udav_miibus_statchg(struct ifnet *); 114 Static int udav_init(struct ifnet *); 115 Static void udav_setmulti(struct udav_softc *); 116 Static void udav_reset(struct udav_softc *); 117 118 Static int udav_csr_read(struct udav_softc *, int, void *, int); 119 Static int udav_csr_write(struct udav_softc *, int, void *, int); 120 Static int udav_csr_read1(struct udav_softc *, int); 121 Static int udav_csr_write1(struct udav_softc *, int, unsigned char); 122 123 #if 0 124 Static int udav_mem_read(struct udav_softc *, int, void *, int); 125 Static int udav_mem_write(struct udav_softc *, int, void *, int); 126 Static int udav_mem_write1(struct udav_softc *, int, unsigned char); 127 #endif 128 129 /* Macros */ 130 #ifdef UDAV_DEBUG 131 #define DPRINTF(x) if (udavdebug) printf x 132 #define DPRINTFN(n,x) if (udavdebug >= (n)) printf x 133 int udavdebug = 0; 134 #else 135 #define DPRINTF(x) 136 #define DPRINTFN(n,x) 137 #endif 138 139 #define UDAV_SETBIT(sc, reg, x) \ 140 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 141 142 #define UDAV_CLRBIT(sc, reg, x) \ 143 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 144 145 static const struct udav_type { 146 struct usb_devno udav_dev; 147 u_int16_t udav_flags; 148 #define UDAV_EXT_PHY 0x0001 149 } udav_devs [] = { 150 /* Corega USB-TXC */ 151 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, 152 /* ShanTou ST268 USB NIC */ 153 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, 154 /* ShanTou ADM8515 */ 155 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 0}, 156 /* SUNRISING SR9600 */ 157 {{ USB_VENDOR_SUNRISING, USB_PRODUCT_SUNRISING_SR9600 }, 0 }, 158 /* QUAN DM9601 */ 159 {{USB_VENDOR_QUAN, USB_PRODUCT_QUAN_DM9601 }, 0}, 160 #if 0 161 /* DAVICOM DM9601 Generic? */ 162 /* XXX: The following ids was obtained from the data sheet. */ 163 {{ 0x0a46, 0x9601 }, 0}, 164 #endif 165 }; 166 #define udav_lookup(v, p) ((const struct udav_type *)usb_lookup(udav_devs, v, p)) 167 168 169 /* Probe */ 170 int 171 udav_match(device_t parent, cfdata_t match, void *aux) 172 { 173 struct usb_attach_arg *uaa = aux; 174 175 return (udav_lookup(uaa->vendor, uaa->product) != NULL ? 176 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 177 } 178 179 /* Attach */ 180 void 181 udav_attach(device_t parent, device_t self, void *aux) 182 { 183 struct udav_softc *sc = device_private(self); 184 struct usb_attach_arg *uaa = aux; 185 usbd_device_handle dev = uaa->device; 186 usbd_interface_handle iface; 187 usbd_status err; 188 usb_interface_descriptor_t *id; 189 usb_endpoint_descriptor_t *ed; 190 char *devinfop; 191 struct ifnet *ifp; 192 struct mii_data *mii; 193 u_char eaddr[ETHER_ADDR_LEN]; 194 int i, s; 195 196 sc->sc_dev = self; 197 198 aprint_naive("\n"); 199 aprint_normal("\n"); 200 201 devinfop = usbd_devinfo_alloc(dev, 0); 202 aprint_normal_dev(self, "%s\n", devinfop); 203 usbd_devinfo_free(devinfop); 204 205 /* Move the device into the configured state. */ 206 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ 207 if (err) { 208 aprint_error_dev(self, "setting config no failed\n"); 209 goto bad; 210 } 211 212 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc); 213 mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); 214 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) udav_stop_task, sc); 215 216 /* get control interface */ 217 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); 218 if (err) { 219 aprint_error_dev(self, "failed to get interface, err=%s\n", 220 usbd_errstr(err)); 221 goto bad; 222 } 223 224 sc->sc_udev = dev; 225 sc->sc_ctl_iface = iface; 226 sc->sc_flags = udav_lookup(uaa->vendor, uaa->product)->udav_flags; 227 228 /* get interface descriptor */ 229 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 230 231 /* find endpoints */ 232 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 233 for (i = 0; i < id->bNumEndpoints; i++) { 234 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 235 if (ed == NULL) { 236 aprint_error_dev(self, "couldn't get endpoint %d\n", i); 237 goto bad; 238 } 239 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 240 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 241 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 242 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 243 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 244 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 245 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 246 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 247 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 248 } 249 250 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 251 sc->sc_intrin_no == -1) { 252 aprint_error_dev(self, "missing endpoint\n"); 253 goto bad; 254 } 255 256 s = splnet(); 257 258 /* reset the adapter */ 259 udav_reset(sc); 260 261 /* Get Ethernet Address */ 262 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); 263 if (err) { 264 aprint_error_dev(self, "read MAC address failed\n"); 265 splx(s); 266 goto bad; 267 } 268 269 /* Print Ethernet Address */ 270 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 271 272 /* initialize interface information */ 273 ifp = GET_IFP(sc); 274 ifp->if_softc = sc; 275 ifp->if_mtu = ETHERMTU; 276 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 277 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 278 ifp->if_start = udav_start; 279 ifp->if_ioctl = udav_ioctl; 280 ifp->if_watchdog = udav_watchdog; 281 ifp->if_init = udav_init; 282 ifp->if_stop = udav_stop; 283 284 IFQ_SET_READY(&ifp->if_snd); 285 286 /* 287 * Do ifmedia setup. 288 */ 289 mii = &sc->sc_mii; 290 mii->mii_ifp = ifp; 291 mii->mii_readreg = udav_miibus_readreg; 292 mii->mii_writereg = udav_miibus_writereg; 293 mii->mii_statchg = udav_miibus_statchg; 294 mii->mii_flags = MIIF_AUTOTSLEEP; 295 sc->sc_ec.ec_mii = mii; 296 ifmedia_init(&mii->mii_media, 0, 297 udav_ifmedia_change, udav_ifmedia_status); 298 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 299 if (LIST_FIRST(&mii->mii_phys) == NULL) { 300 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 301 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 302 } else 303 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 304 305 /* attach the interface */ 306 if_attach(ifp); 307 ether_ifattach(ifp, eaddr); 308 309 rnd_attach_source(&sc->rnd_source, device_xname(self), 310 RND_TYPE_NET, 0); 311 312 callout_init(&sc->sc_stat_ch, 0); 313 sc->sc_attached = 1; 314 splx(s); 315 316 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); 317 318 return; 319 320 bad: 321 sc->sc_dying = 1; 322 return; 323 } 324 325 /* detach */ 326 int 327 udav_detach(device_t self, int flags) 328 { 329 struct udav_softc *sc = device_private(self); 330 struct ifnet *ifp = GET_IFP(sc); 331 int s; 332 333 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 334 335 /* Detached before attached finished */ 336 if (!sc->sc_attached) 337 return (0); 338 339 callout_stop(&sc->sc_stat_ch); 340 341 /* Remove any pending tasks */ 342 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 343 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 344 345 s = splusb(); 346 347 if (--sc->sc_refcnt >= 0) { 348 /* Wait for processes to go away */ 349 usb_detach_waitold(sc->sc_dev); 350 } 351 if (ifp->if_flags & IFF_RUNNING) 352 udav_stop(GET_IFP(sc), 1); 353 354 rnd_detach_source(&sc->rnd_source); 355 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 356 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 357 ether_ifdetach(ifp); 358 if_detach(ifp); 359 360 #ifdef DIAGNOSTIC 361 if (sc->sc_pipe_tx != NULL) 362 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 363 if (sc->sc_pipe_rx != NULL) 364 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 365 if (sc->sc_pipe_intr != NULL) 366 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 367 #endif 368 sc->sc_attached = 0; 369 370 splx(s); 371 372 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 373 sc->sc_dev); 374 375 mutex_destroy(&sc->sc_mii_lock); 376 377 return (0); 378 } 379 380 #if 0 381 /* read memory */ 382 Static int 383 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) 384 { 385 usb_device_request_t req; 386 usbd_status err; 387 388 if (sc == NULL) 389 return (0); 390 391 DPRINTFN(0x200, 392 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 393 394 if (sc->sc_dying) 395 return (0); 396 397 offset &= 0xffff; 398 len &= 0xff; 399 400 req.bmRequestType = UT_READ_VENDOR_DEVICE; 401 req.bRequest = UDAV_REQ_MEM_READ; 402 USETW(req.wValue, 0x0000); 403 USETW(req.wIndex, offset); 404 USETW(req.wLength, len); 405 406 sc->sc_refcnt++; 407 err = usbd_do_request(sc->sc_udev, &req, buf); 408 if (--sc->sc_refcnt < 0) 409 usb_detach_wakeupold(sc->sc_dev); 410 if (err) { 411 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 412 device_xname(sc->sc_dev), __func__, offset, err)); 413 } 414 415 return (err); 416 } 417 418 /* write memory */ 419 Static int 420 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) 421 { 422 usb_device_request_t req; 423 usbd_status err; 424 425 if (sc == NULL) 426 return (0); 427 428 DPRINTFN(0x200, 429 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 430 431 if (sc->sc_dying) 432 return (0); 433 434 offset &= 0xffff; 435 len &= 0xff; 436 437 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 438 req.bRequest = UDAV_REQ_MEM_WRITE; 439 USETW(req.wValue, 0x0000); 440 USETW(req.wIndex, offset); 441 USETW(req.wLength, len); 442 443 sc->sc_refcnt++; 444 err = usbd_do_request(sc->sc_udev, &req, buf); 445 if (--sc->sc_refcnt < 0) 446 usb_detach_wakeupold(sc->sc_dev); 447 if (err) { 448 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 449 device_xname(sc->sc_dev), __func__, offset, err)); 450 } 451 452 return (err); 453 } 454 455 /* write memory */ 456 Static int 457 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) 458 { 459 usb_device_request_t req; 460 usbd_status err; 461 462 if (sc == NULL) 463 return (0); 464 465 DPRINTFN(0x200, 466 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 467 468 if (sc->sc_dying) 469 return (0); 470 471 offset &= 0xffff; 472 473 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 474 req.bRequest = UDAV_REQ_MEM_WRITE1; 475 USETW(req.wValue, ch); 476 USETW(req.wIndex, offset); 477 USETW(req.wLength, 0x0000); 478 479 sc->sc_refcnt++; 480 err = usbd_do_request(sc->sc_udev, &req, NULL); 481 if (--sc->sc_refcnt < 0) 482 usb_detach_wakeupold(sc->sc_dev); 483 if (err) { 484 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 485 device_xname(sc->sc_dev), __func__, offset, err)); 486 } 487 488 return (err); 489 } 490 #endif 491 492 /* read register(s) */ 493 Static int 494 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) 495 { 496 usb_device_request_t req; 497 usbd_status err; 498 499 if (sc == NULL) 500 return (0); 501 502 DPRINTFN(0x200, 503 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 504 505 if (sc->sc_dying) 506 return (0); 507 508 offset &= 0xff; 509 len &= 0xff; 510 511 req.bmRequestType = UT_READ_VENDOR_DEVICE; 512 req.bRequest = UDAV_REQ_REG_READ; 513 USETW(req.wValue, 0x0000); 514 USETW(req.wIndex, offset); 515 USETW(req.wLength, len); 516 517 sc->sc_refcnt++; 518 err = usbd_do_request(sc->sc_udev, &req, buf); 519 if (--sc->sc_refcnt < 0) 520 usb_detach_wakeupold(sc->sc_dev); 521 if (err) { 522 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 523 device_xname(sc->sc_dev), __func__, offset, err)); 524 } 525 526 return (err); 527 } 528 529 /* write register(s) */ 530 Static int 531 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) 532 { 533 usb_device_request_t req; 534 usbd_status err; 535 536 if (sc == NULL) 537 return (0); 538 539 DPRINTFN(0x200, 540 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 541 542 if (sc->sc_dying) 543 return (0); 544 545 offset &= 0xff; 546 len &= 0xff; 547 548 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 549 req.bRequest = UDAV_REQ_REG_WRITE; 550 USETW(req.wValue, 0x0000); 551 USETW(req.wIndex, offset); 552 USETW(req.wLength, len); 553 554 sc->sc_refcnt++; 555 err = usbd_do_request(sc->sc_udev, &req, buf); 556 if (--sc->sc_refcnt < 0) 557 usb_detach_wakeupold(sc->sc_dev); 558 if (err) { 559 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 560 device_xname(sc->sc_dev), __func__, offset, err)); 561 } 562 563 return (err); 564 } 565 566 Static int 567 udav_csr_read1(struct udav_softc *sc, int offset) 568 { 569 u_int8_t val = 0; 570 571 if (sc == NULL) 572 return (0); 573 574 DPRINTFN(0x200, 575 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 576 577 if (sc->sc_dying) 578 return (0); 579 580 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val); 581 } 582 583 /* write a register */ 584 Static int 585 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) 586 { 587 usb_device_request_t req; 588 usbd_status err; 589 590 if (sc == NULL) 591 return (0); 592 593 DPRINTFN(0x200, 594 ("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 595 596 if (sc->sc_dying) 597 return (0); 598 599 offset &= 0xff; 600 601 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 602 req.bRequest = UDAV_REQ_REG_WRITE1; 603 USETW(req.wValue, ch); 604 USETW(req.wIndex, offset); 605 USETW(req.wLength, 0x0000); 606 607 sc->sc_refcnt++; 608 err = usbd_do_request(sc->sc_udev, &req, NULL); 609 if (--sc->sc_refcnt < 0) 610 usb_detach_wakeupold(sc->sc_dev); 611 if (err) { 612 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 613 device_xname(sc->sc_dev), __func__, offset, err)); 614 } 615 616 return (err); 617 } 618 619 Static int 620 udav_init(struct ifnet *ifp) 621 { 622 struct udav_softc *sc = ifp->if_softc; 623 struct mii_data *mii = GET_MII(sc); 624 uint8_t eaddr[ETHER_ADDR_LEN]; 625 int rc, s; 626 627 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 628 629 if (sc->sc_dying) 630 return (EIO); 631 632 s = splnet(); 633 634 /* Cancel pending I/O and free all TX/RX buffers */ 635 udav_stop(ifp, 1); 636 637 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 638 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); 639 640 /* Initialize network control register */ 641 /* Disable loopback */ 642 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 643 644 /* Initialize RX control register */ 645 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 646 647 /* If we want promiscuous mode, accept all physical frames. */ 648 if (ifp->if_flags & IFF_PROMISC) 649 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 650 else 651 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 652 653 /* Initialize transmit ring */ 654 if (udav_tx_list_init(sc) == ENOBUFS) { 655 printf("%s: tx list init failed\n", device_xname(sc->sc_dev)); 656 splx(s); 657 return (EIO); 658 } 659 660 /* Initialize receive ring */ 661 if (udav_rx_list_init(sc) == ENOBUFS) { 662 printf("%s: rx list init failed\n", device_xname(sc->sc_dev)); 663 splx(s); 664 return (EIO); 665 } 666 667 /* Load the multicast filter */ 668 udav_setmulti(sc); 669 670 /* Enable RX */ 671 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 672 673 /* clear POWER_DOWN state of internal PHY */ 674 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 675 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 676 677 if ((rc = mii_mediachg(mii)) == ENXIO) 678 rc = 0; 679 else if (rc != 0) 680 goto out; 681 682 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 683 if (udav_openpipes(sc)) { 684 splx(s); 685 return (EIO); 686 } 687 } 688 689 ifp->if_flags |= IFF_RUNNING; 690 ifp->if_flags &= ~IFF_OACTIVE; 691 692 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 693 694 out: 695 splx(s); 696 return rc; 697 } 698 699 Static void 700 udav_reset(struct udav_softc *sc) 701 { 702 int i; 703 704 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 705 706 if (sc->sc_dying) 707 return; 708 709 /* Select PHY */ 710 #if 1 711 /* 712 * XXX: force select internal phy. 713 * external phy routines are not tested. 714 */ 715 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 716 #else 717 if (sc->sc_flags & UDAV_EXT_PHY) { 718 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 719 } else { 720 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 721 } 722 #endif 723 724 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 725 726 for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 727 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 728 break; 729 delay(10); /* XXX */ 730 } 731 delay(10000); /* XXX */ 732 } 733 734 int 735 udav_activate(device_t self, enum devact act) 736 { 737 struct udav_softc *sc = device_private(self); 738 739 DPRINTF(("%s: %s: enter, act=%d\n", device_xname(sc->sc_dev), 740 __func__, act)); 741 switch (act) { 742 case DVACT_DEACTIVATE: 743 if_deactivate(&sc->sc_ec.ec_if); 744 sc->sc_dying = 1; 745 return 0; 746 default: 747 return EOPNOTSUPP; 748 } 749 } 750 751 #define UDAV_BITS 6 752 753 #define UDAV_CALCHASH(addr) \ 754 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) 755 756 Static void 757 udav_setmulti(struct udav_softc *sc) 758 { 759 struct ifnet *ifp; 760 struct ether_multi *enm; 761 struct ether_multistep step; 762 u_int8_t hashes[8]; 763 int h = 0; 764 765 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 766 767 if (sc->sc_dying) 768 return; 769 770 ifp = GET_IFP(sc); 771 772 if (ifp->if_flags & IFF_PROMISC) { 773 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 774 return; 775 } else if (ifp->if_flags & IFF_ALLMULTI) { 776 allmulti: 777 ifp->if_flags |= IFF_ALLMULTI; 778 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 779 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 780 return; 781 } 782 783 /* first, zot all the existing hash bits */ 784 memset(hashes, 0x00, sizeof(hashes)); 785 hashes[7] |= 0x80; /* broadcast address */ 786 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 787 788 /* now program new ones */ 789 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 790 while (enm != NULL) { 791 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 792 ETHER_ADDR_LEN) != 0) 793 goto allmulti; 794 795 h = UDAV_CALCHASH(enm->enm_addrlo); 796 hashes[h>>3] |= 1 << (h & 0x7); 797 ETHER_NEXT_MULTI(step, enm); 798 } 799 800 /* disable all multicast */ 801 ifp->if_flags &= ~IFF_ALLMULTI; 802 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 803 804 /* write hash value to the register */ 805 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 806 } 807 808 Static int 809 udav_openpipes(struct udav_softc *sc) 810 { 811 struct udav_chain *c; 812 usbd_status err; 813 int i; 814 int error = 0; 815 816 if (sc->sc_dying) 817 return (EIO); 818 819 sc->sc_refcnt++; 820 821 /* Open RX pipe */ 822 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 823 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 824 if (err) { 825 printf("%s: open rx pipe failed: %s\n", 826 device_xname(sc->sc_dev), usbd_errstr(err)); 827 error = EIO; 828 goto done; 829 } 830 831 /* Open TX pipe */ 832 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 833 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 834 if (err) { 835 printf("%s: open tx pipe failed: %s\n", 836 device_xname(sc->sc_dev), usbd_errstr(err)); 837 error = EIO; 838 goto done; 839 } 840 841 #if 0 842 /* XXX: interrupt endpoint is not yet supported */ 843 /* Open Interrupt pipe */ 844 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 845 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 846 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, 847 udav_intr, USBD_DEFAULT_INTERVAL); 848 if (err) { 849 printf("%s: open intr pipe failed: %s\n", 850 device_xname(sc->sc_dev), usbd_errstr(err)); 851 error = EIO; 852 goto done; 853 } 854 #endif 855 856 857 /* Start up the receive pipe. */ 858 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 859 c = &sc->sc_cdata.udav_rx_chain[i]; 860 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_rx, 861 c, c->udav_buf, UDAV_BUFSZ, 862 USBD_SHORT_XFER_OK | USBD_NO_COPY, 863 USBD_NO_TIMEOUT, udav_rxeof); 864 (void)usbd_transfer(c->udav_xfer); 865 DPRINTF(("%s: %s: start read\n", device_xname(sc->sc_dev), 866 __func__)); 867 } 868 869 done: 870 if (--sc->sc_refcnt < 0) 871 usb_detach_wakeupold(sc->sc_dev); 872 873 return (error); 874 } 875 876 Static int 877 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) 878 { 879 struct mbuf *m_new = NULL; 880 881 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 882 883 if (m == NULL) { 884 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 885 if (m_new == NULL) { 886 printf("%s: no memory for rx list " 887 "-- packet dropped!\n", device_xname(sc->sc_dev)); 888 return (ENOBUFS); 889 } 890 MCLGET(m_new, M_DONTWAIT); 891 if (!(m_new->m_flags & M_EXT)) { 892 printf("%s: no memory for rx list " 893 "-- packet dropped!\n", device_xname(sc->sc_dev)); 894 m_freem(m_new); 895 return (ENOBUFS); 896 } 897 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 898 } else { 899 m_new = m; 900 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 901 m_new->m_data = m_new->m_ext.ext_buf; 902 } 903 904 m_adj(m_new, ETHER_ALIGN); 905 c->udav_mbuf = m_new; 906 907 return (0); 908 } 909 910 911 Static int 912 udav_rx_list_init(struct udav_softc *sc) 913 { 914 struct udav_cdata *cd; 915 struct udav_chain *c; 916 int i; 917 918 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 919 920 cd = &sc->sc_cdata; 921 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 922 c = &cd->udav_rx_chain[i]; 923 c->udav_sc = sc; 924 c->udav_idx = i; 925 if (udav_newbuf(sc, c, NULL) == ENOBUFS) 926 return (ENOBUFS); 927 if (c->udav_xfer == NULL) { 928 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 929 if (c->udav_xfer == NULL) 930 return (ENOBUFS); 931 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 932 if (c->udav_buf == NULL) { 933 usbd_free_xfer(c->udav_xfer); 934 return (ENOBUFS); 935 } 936 } 937 } 938 939 return (0); 940 } 941 942 Static int 943 udav_tx_list_init(struct udav_softc *sc) 944 { 945 struct udav_cdata *cd; 946 struct udav_chain *c; 947 int i; 948 949 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 950 951 cd = &sc->sc_cdata; 952 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 953 c = &cd->udav_tx_chain[i]; 954 c->udav_sc = sc; 955 c->udav_idx = i; 956 c->udav_mbuf = NULL; 957 if (c->udav_xfer == NULL) { 958 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 959 if (c->udav_xfer == NULL) 960 return (ENOBUFS); 961 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 962 if (c->udav_buf == NULL) { 963 usbd_free_xfer(c->udav_xfer); 964 return (ENOBUFS); 965 } 966 } 967 } 968 969 return (0); 970 } 971 972 Static void 973 udav_start(struct ifnet *ifp) 974 { 975 struct udav_softc *sc = ifp->if_softc; 976 struct mbuf *m_head = NULL; 977 978 DPRINTF(("%s: %s: enter, link=%d\n", device_xname(sc->sc_dev), 979 __func__, sc->sc_link)); 980 981 if (sc->sc_dying) 982 return; 983 984 if (!sc->sc_link) 985 return; 986 987 if (ifp->if_flags & IFF_OACTIVE) 988 return; 989 990 IFQ_POLL(&ifp->if_snd, m_head); 991 if (m_head == NULL) 992 return; 993 994 if (udav_send(sc, m_head, 0)) { 995 ifp->if_flags |= IFF_OACTIVE; 996 return; 997 } 998 999 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1000 1001 bpf_mtap(ifp, m_head); 1002 1003 ifp->if_flags |= IFF_OACTIVE; 1004 1005 /* Set a timeout in case the chip goes out to lunch. */ 1006 ifp->if_timer = 5; 1007 } 1008 1009 Static int 1010 udav_send(struct udav_softc *sc, struct mbuf *m, int idx) 1011 { 1012 int total_len; 1013 struct udav_chain *c; 1014 usbd_status err; 1015 1016 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1017 1018 c = &sc->sc_cdata.udav_tx_chain[idx]; 1019 1020 /* Copy the mbuf data into a contiguous buffer */ 1021 /* first 2 bytes are packet length */ 1022 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); 1023 c->udav_mbuf = m; 1024 total_len = m->m_pkthdr.len; 1025 if (total_len < UDAV_MIN_FRAME_LEN) { 1026 memset(c->udav_buf + 2 + total_len, 0, 1027 UDAV_MIN_FRAME_LEN - total_len); 1028 total_len = UDAV_MIN_FRAME_LEN; 1029 } 1030 1031 /* Frame length is specified in the first 2bytes of the buffer */ 1032 c->udav_buf[0] = (u_int8_t)total_len; 1033 c->udav_buf[1] = (u_int8_t)(total_len >> 8); 1034 total_len += 2; 1035 1036 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_tx, c, c->udav_buf, total_len, 1037 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1038 UDAV_TX_TIMEOUT, udav_txeof); 1039 1040 /* Transmit */ 1041 sc->sc_refcnt++; 1042 err = usbd_transfer(c->udav_xfer); 1043 if (--sc->sc_refcnt < 0) 1044 usb_detach_wakeupold(sc->sc_dev); 1045 if (err != USBD_IN_PROGRESS) { 1046 printf("%s: udav_send error=%s\n", device_xname(sc->sc_dev), 1047 usbd_errstr(err)); 1048 /* Stop the interface */ 1049 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 1050 USB_TASKQ_DRIVER); 1051 return (EIO); 1052 } 1053 1054 DPRINTF(("%s: %s: send %d bytes\n", device_xname(sc->sc_dev), 1055 __func__, total_len)); 1056 1057 sc->sc_cdata.udav_tx_cnt++; 1058 1059 return (0); 1060 } 1061 1062 Static void 1063 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 1064 usbd_status status) 1065 { 1066 struct udav_chain *c = priv; 1067 struct udav_softc *sc = c->udav_sc; 1068 struct ifnet *ifp = GET_IFP(sc); 1069 int s; 1070 1071 if (sc->sc_dying) 1072 return; 1073 1074 s = splnet(); 1075 1076 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1077 1078 ifp->if_timer = 0; 1079 ifp->if_flags &= ~IFF_OACTIVE; 1080 1081 if (status != USBD_NORMAL_COMPLETION) { 1082 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1083 splx(s); 1084 return; 1085 } 1086 ifp->if_oerrors++; 1087 printf("%s: usb error on tx: %s\n", device_xname(sc->sc_dev), 1088 usbd_errstr(status)); 1089 if (status == USBD_STALLED) { 1090 sc->sc_refcnt++; 1091 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 1092 if (--sc->sc_refcnt < 0) 1093 usb_detach_wakeupold(sc->sc_dev); 1094 } 1095 splx(s); 1096 return; 1097 } 1098 1099 ifp->if_opackets++; 1100 1101 m_freem(c->udav_mbuf); 1102 c->udav_mbuf = NULL; 1103 1104 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1105 udav_start(ifp); 1106 1107 splx(s); 1108 } 1109 1110 Static void 1111 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1112 { 1113 struct udav_chain *c = priv; 1114 struct udav_softc *sc = c->udav_sc; 1115 struct ifnet *ifp = GET_IFP(sc); 1116 struct mbuf *m; 1117 u_int32_t total_len; 1118 u_int8_t *pktstat; 1119 int s; 1120 1121 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev),__func__)); 1122 1123 if (sc->sc_dying) 1124 return; 1125 1126 if (status != USBD_NORMAL_COMPLETION) { 1127 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1128 return; 1129 sc->sc_rx_errs++; 1130 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1131 printf("%s: %u usb errors on rx: %s\n", 1132 device_xname(sc->sc_dev), sc->sc_rx_errs, 1133 usbd_errstr(status)); 1134 sc->sc_rx_errs = 0; 1135 } 1136 if (status == USBD_STALLED) { 1137 sc->sc_refcnt++; 1138 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1139 if (--sc->sc_refcnt < 0) 1140 usb_detach_wakeupold(sc->sc_dev); 1141 } 1142 goto done; 1143 } 1144 1145 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1146 1147 /* copy data to mbuf */ 1148 m = c->udav_mbuf; 1149 memcpy(mtod(m, char *), c->udav_buf, total_len); 1150 1151 /* first byte in received data */ 1152 pktstat = mtod(m, u_int8_t *); 1153 m_adj(m, sizeof(u_int8_t)); 1154 DPRINTF(("%s: RX Status: 0x%02x\n", device_xname(sc->sc_dev), 1155 *pktstat)); 1156 1157 total_len = UGETW(mtod(m, u_int8_t *)); 1158 m_adj(m, sizeof(u_int16_t)); 1159 1160 if (*pktstat & UDAV_RSR_LCS) { 1161 ifp->if_collisions++; 1162 goto done; 1163 } 1164 1165 if (total_len < sizeof(struct ether_header) || 1166 *pktstat & UDAV_RSR_ERR) { 1167 ifp->if_ierrors++; 1168 goto done; 1169 } 1170 1171 ifp->if_ipackets++; 1172 total_len -= ETHER_CRC_LEN; 1173 1174 m->m_pkthdr.len = m->m_len = total_len; 1175 m->m_pkthdr.rcvif = ifp; 1176 1177 s = splnet(); 1178 1179 if (udav_newbuf(sc, c, NULL) == ENOBUFS) { 1180 ifp->if_ierrors++; 1181 goto done1; 1182 } 1183 1184 bpf_mtap(ifp, m); 1185 1186 DPRINTF(("%s: %s: deliver %d\n", device_xname(sc->sc_dev), 1187 __func__, m->m_len)); 1188 (*(ifp)->if_input)((ifp), (m)); 1189 1190 done1: 1191 splx(s); 1192 1193 done: 1194 /* Setup new transfer */ 1195 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->udav_buf, UDAV_BUFSZ, 1196 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1197 USBD_NO_TIMEOUT, udav_rxeof); 1198 sc->sc_refcnt++; 1199 usbd_transfer(xfer); 1200 if (--sc->sc_refcnt < 0) 1201 usb_detach_wakeupold(sc->sc_dev); 1202 1203 DPRINTF(("%s: %s: start rx\n", device_xname(sc->sc_dev), __func__)); 1204 } 1205 1206 #if 0 1207 Static void udav_intr(void) 1208 { 1209 } 1210 #endif 1211 1212 Static int 1213 udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1214 { 1215 struct udav_softc *sc = ifp->if_softc; 1216 int s, error = 0; 1217 1218 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1219 1220 if (sc->sc_dying) 1221 return (EIO); 1222 1223 s = splnet(); 1224 1225 error = ether_ioctl(ifp, cmd, data); 1226 if (error == ENETRESET) { 1227 if (ifp->if_flags & IFF_RUNNING) 1228 udav_setmulti(sc); 1229 error = 0; 1230 } 1231 1232 splx(s); 1233 1234 return (error); 1235 } 1236 1237 Static void 1238 udav_watchdog(struct ifnet *ifp) 1239 { 1240 struct udav_softc *sc = ifp->if_softc; 1241 struct udav_chain *c; 1242 usbd_status stat; 1243 int s; 1244 1245 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1246 1247 ifp->if_oerrors++; 1248 printf("%s: watchdog timeout\n", device_xname(sc->sc_dev)); 1249 1250 s = splusb(); 1251 c = &sc->sc_cdata.udav_tx_chain[0]; 1252 usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); 1253 udav_txeof(c->udav_xfer, c, stat); 1254 1255 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1256 udav_start(ifp); 1257 splx(s); 1258 } 1259 1260 Static void 1261 udav_stop_task(struct udav_softc *sc) 1262 { 1263 udav_stop(GET_IFP(sc), 1); 1264 } 1265 1266 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1267 Static void 1268 udav_stop(struct ifnet *ifp, int disable) 1269 { 1270 struct udav_softc *sc = ifp->if_softc; 1271 usbd_status err; 1272 int i; 1273 1274 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1275 1276 ifp->if_timer = 0; 1277 1278 udav_reset(sc); 1279 1280 callout_stop(&sc->sc_stat_ch); 1281 1282 /* Stop transfers */ 1283 /* RX endpoint */ 1284 if (sc->sc_pipe_rx != NULL) { 1285 err = usbd_abort_pipe(sc->sc_pipe_rx); 1286 if (err) 1287 printf("%s: abort rx pipe failed: %s\n", 1288 device_xname(sc->sc_dev), usbd_errstr(err)); 1289 err = usbd_close_pipe(sc->sc_pipe_rx); 1290 if (err) 1291 printf("%s: close rx pipe failed: %s\n", 1292 device_xname(sc->sc_dev), usbd_errstr(err)); 1293 sc->sc_pipe_rx = NULL; 1294 } 1295 1296 /* TX endpoint */ 1297 if (sc->sc_pipe_tx != NULL) { 1298 err = usbd_abort_pipe(sc->sc_pipe_tx); 1299 if (err) 1300 printf("%s: abort tx pipe failed: %s\n", 1301 device_xname(sc->sc_dev), usbd_errstr(err)); 1302 err = usbd_close_pipe(sc->sc_pipe_tx); 1303 if (err) 1304 printf("%s: close tx pipe failed: %s\n", 1305 device_xname(sc->sc_dev), usbd_errstr(err)); 1306 sc->sc_pipe_tx = NULL; 1307 } 1308 1309 #if 0 1310 /* XXX: Interrupt endpoint is not yet supported!! */ 1311 /* Interrupt endpoint */ 1312 if (sc->sc_pipe_intr != NULL) { 1313 err = usbd_abort_pipe(sc->sc_pipe_intr); 1314 if (err) 1315 printf("%s: abort intr pipe failed: %s\n", 1316 device_xname(sc->sc_dev), usbd_errstr(err)); 1317 err = usbd_close_pipe(sc->sc_pipe_intr); 1318 if (err) 1319 printf("%s: close intr pipe failed: %s\n", 1320 device_xname(sc->sc_dev), usbd_errstr(err)); 1321 sc->sc_pipe_intr = NULL; 1322 } 1323 #endif 1324 1325 /* Free RX resources. */ 1326 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 1327 if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { 1328 m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); 1329 sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; 1330 } 1331 if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { 1332 usbd_free_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); 1333 sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; 1334 } 1335 } 1336 1337 /* Free TX resources. */ 1338 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 1339 if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { 1340 m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); 1341 sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; 1342 } 1343 if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { 1344 usbd_free_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); 1345 sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; 1346 } 1347 } 1348 1349 sc->sc_link = 0; 1350 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1351 } 1352 1353 /* Set media options */ 1354 Static int 1355 udav_ifmedia_change(struct ifnet *ifp) 1356 { 1357 struct udav_softc *sc = ifp->if_softc; 1358 struct mii_data *mii = GET_MII(sc); 1359 int rc; 1360 1361 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1362 1363 if (sc->sc_dying) 1364 return (0); 1365 1366 sc->sc_link = 0; 1367 if ((rc = mii_mediachg(mii)) == ENXIO) 1368 return 0; 1369 return rc; 1370 } 1371 1372 /* Report current media status. */ 1373 Static void 1374 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1375 { 1376 struct udav_softc *sc = ifp->if_softc; 1377 1378 DPRINTF(("%s: %s: enter\n", device_xname(sc->sc_dev), __func__)); 1379 1380 if (sc->sc_dying) 1381 return; 1382 1383 ether_mediastatus(ifp, ifmr); 1384 } 1385 1386 Static void 1387 udav_tick(void *xsc) 1388 { 1389 struct udav_softc *sc = xsc; 1390 1391 if (sc == NULL) 1392 return; 1393 1394 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1395 __func__)); 1396 1397 if (sc->sc_dying) 1398 return; 1399 1400 /* Perform periodic stuff in process context */ 1401 usb_add_task(sc->sc_udev, &sc->sc_tick_task, 1402 USB_TASKQ_DRIVER); 1403 } 1404 1405 Static void 1406 udav_tick_task(void *xsc) 1407 { 1408 struct udav_softc *sc = xsc; 1409 struct ifnet *ifp; 1410 struct mii_data *mii; 1411 int s; 1412 1413 if (sc == NULL) 1414 return; 1415 1416 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1417 __func__)); 1418 1419 if (sc->sc_dying) 1420 return; 1421 1422 ifp = GET_IFP(sc); 1423 mii = GET_MII(sc); 1424 1425 if (mii == NULL) 1426 return; 1427 1428 s = splnet(); 1429 1430 mii_tick(mii); 1431 if (!sc->sc_link) { 1432 mii_pollstat(mii); 1433 if (mii->mii_media_status & IFM_ACTIVE && 1434 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1435 DPRINTF(("%s: %s: got link\n", 1436 device_xname(sc->sc_dev), __func__)); 1437 sc->sc_link++; 1438 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1439 udav_start(ifp); 1440 } 1441 } 1442 1443 callout_reset(&sc->sc_stat_ch, hz, udav_tick, sc); 1444 1445 splx(s); 1446 } 1447 1448 /* Get exclusive access to the MII registers */ 1449 Static void 1450 udav_lock_mii(struct udav_softc *sc) 1451 { 1452 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1453 __func__)); 1454 1455 sc->sc_refcnt++; 1456 mutex_enter(&sc->sc_mii_lock); 1457 } 1458 1459 Static void 1460 udav_unlock_mii(struct udav_softc *sc) 1461 { 1462 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->sc_dev), 1463 __func__)); 1464 1465 mutex_exit(&sc->sc_mii_lock); 1466 if (--sc->sc_refcnt < 0) 1467 usb_detach_wakeupold(sc->sc_dev); 1468 } 1469 1470 Static int 1471 udav_miibus_readreg(device_t dev, int phy, int reg) 1472 { 1473 struct udav_softc *sc; 1474 u_int8_t val[2]; 1475 u_int16_t data16; 1476 1477 if (dev == NULL) 1478 return (0); 1479 1480 sc = device_private(dev); 1481 1482 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1483 device_xname(sc->sc_dev), __func__, phy, reg)); 1484 1485 if (sc->sc_dying) { 1486 #ifdef DIAGNOSTIC 1487 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1488 __func__); 1489 #endif 1490 return (0); 1491 } 1492 1493 /* XXX: one PHY only for the internal PHY */ 1494 if (phy != 0) { 1495 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1496 device_xname(sc->sc_dev), __func__, phy)); 1497 return (0); 1498 } 1499 1500 udav_lock_mii(sc); 1501 1502 /* select internal PHY and set PHY register address */ 1503 udav_csr_write1(sc, UDAV_EPAR, 1504 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1505 1506 /* select PHY operation and start read command */ 1507 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 1508 1509 /* XXX: should be wait? */ 1510 1511 /* end read command */ 1512 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 1513 1514 /* retrieve the result from data registers */ 1515 udav_csr_read(sc, UDAV_EPDRL, val, 2); 1516 1517 udav_unlock_mii(sc); 1518 1519 data16 = val[0] | (val[1] << 8); 1520 1521 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1522 device_xname(sc->sc_dev), __func__, phy, reg, data16)); 1523 1524 return (data16); 1525 } 1526 1527 Static void 1528 udav_miibus_writereg(device_t dev, int phy, int reg, int data) 1529 { 1530 struct udav_softc *sc; 1531 u_int8_t val[2]; 1532 1533 if (dev == NULL) 1534 return; 1535 1536 sc = device_private(dev); 1537 1538 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1539 device_xname(sc->sc_dev), __func__, phy, reg, data)); 1540 1541 if (sc->sc_dying) { 1542 #ifdef DIAGNOSTIC 1543 printf("%s: %s: dying\n", device_xname(sc->sc_dev), 1544 __func__); 1545 #endif 1546 return; 1547 } 1548 1549 /* XXX: one PHY only for the internal PHY */ 1550 if (phy != 0) { 1551 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1552 device_xname(sc->sc_dev), __func__, phy)); 1553 return; 1554 } 1555 1556 udav_lock_mii(sc); 1557 1558 /* select internal PHY and set PHY register address */ 1559 udav_csr_write1(sc, UDAV_EPAR, 1560 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1561 1562 /* put the value to the data registers */ 1563 val[0] = data & 0xff; 1564 val[1] = (data >> 8) & 0xff; 1565 udav_csr_write(sc, UDAV_EPDRL, val, 2); 1566 1567 /* select PHY operation and start write command */ 1568 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 1569 1570 /* XXX: should be wait? */ 1571 1572 /* end write command */ 1573 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 1574 1575 udav_unlock_mii(sc); 1576 1577 return; 1578 } 1579 1580 Static void 1581 udav_miibus_statchg(struct ifnet *ifp) 1582 { 1583 #ifdef UDAV_DEBUG 1584 1585 if (ifp == NULL) 1586 return; 1587 1588 DPRINTF(("%s: %s: enter\n", ifp->if_xname, __func__)); 1589 #endif 1590 /* Nothing to do */ 1591 } 1592
Indexes created Tue Sep 30 11:09:46 GMT 2025