if_udav.c revision 1.25
1 /* $NetBSD: if_udav.c,v 1.25 2009/03/18 10:22:41 cegger 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 1.25 2009/03/18 10:22:41 cegger Exp $"); 48 49 #include "opt_inet.h" 50 #include "bpfilter.h" 51 #include "rnd.h" 52 53 #include <sys/param.h> 54 #include <sys/systm.h> 55 #include <sys/mutex.h> 56 #include <sys/mbuf.h> 57 #include <sys/kernel.h> 58 #include <sys/socket.h> 59 #include <sys/device.h> 60 #if NRND > 0 61 #include <sys/rnd.h> 62 #endif 63 64 #include <net/if.h> 65 #include <net/if_arp.h> 66 #include <net/if_dl.h> 67 #include <net/if_media.h> 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 73 74 #include <net/if_ether.h> 75 #ifdef INET 76 #include <netinet/in.h> 77 #include <netinet/if_inarp.h> 78 #endif 79 80 #include <dev/mii/mii.h> 81 #include <dev/mii/miivar.h> 82 83 #include <dev/usb/usb.h> 84 #include <dev/usb/usbdi.h> 85 #include <dev/usb/usbdi_util.h> 86 #include <dev/usb/usbdevs.h> 87 88 #include <dev/usb/if_udavreg.h> 89 90 91 /* Function declarations */ 92 USB_DECLARE_DRIVER(udav); 93 94 Static int udav_openpipes(struct udav_softc *); 95 Static int udav_rx_list_init(struct udav_softc *); 96 Static int udav_tx_list_init(struct udav_softc *); 97 Static int udav_newbuf(struct udav_softc *, struct udav_chain *, struct mbuf *); 98 Static void udav_start(struct ifnet *); 99 Static int udav_send(struct udav_softc *, struct mbuf *, int); 100 Static void udav_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 101 Static void udav_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 102 Static void udav_tick(void *); 103 Static void udav_tick_task(void *); 104 Static int udav_ioctl(struct ifnet *, u_long, void *); 105 Static void udav_stop_task(struct udav_softc *); 106 Static void udav_stop(struct ifnet *, int); 107 Static void udav_watchdog(struct ifnet *); 108 Static int udav_ifmedia_change(struct ifnet *); 109 Static void udav_ifmedia_status(struct ifnet *, struct ifmediareq *); 110 Static void udav_lock_mii(struct udav_softc *); 111 Static void udav_unlock_mii(struct udav_softc *); 112 Static int udav_miibus_readreg(device_ptr_t, int, int); 113 Static void udav_miibus_writereg(device_ptr_t, int, int, int); 114 Static void udav_miibus_statchg(device_ptr_t); 115 Static int udav_init(struct ifnet *); 116 Static void udav_setmulti(struct udav_softc *); 117 Static void udav_reset(struct udav_softc *); 118 119 Static int udav_csr_read(struct udav_softc *, int, void *, int); 120 Static int udav_csr_write(struct udav_softc *, int, void *, int); 121 Static int udav_csr_read1(struct udav_softc *, int); 122 Static int udav_csr_write1(struct udav_softc *, int, unsigned char); 123 124 #if 0 125 Static int udav_mem_read(struct udav_softc *, int, void *, int); 126 Static int udav_mem_write(struct udav_softc *, int, void *, int); 127 Static int udav_mem_write1(struct udav_softc *, int, unsigned char); 128 #endif 129 130 /* Macros */ 131 #ifdef UDAV_DEBUG 132 #define DPRINTF(x) if (udavdebug) logprintf x 133 #define DPRINTFN(n,x) if (udavdebug >= (n)) logprintf x 134 int udavdebug = 0; 135 #else 136 #define DPRINTF(x) 137 #define DPRINTFN(n,x) 138 #endif 139 140 #define UDAV_SETBIT(sc, reg, x) \ 141 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) | (x)) 142 143 #define UDAV_CLRBIT(sc, reg, x) \ 144 udav_csr_write1(sc, reg, udav_csr_read1(sc, reg) & ~(x)) 145 146 static const struct udav_type { 147 struct usb_devno udav_dev; 148 u_int16_t udav_flags; 149 #define UDAV_EXT_PHY 0x0001 150 } udav_devs [] = { 151 /* Corega USB-TXC */ 152 {{ USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB_TXC }, 0}, 153 /* ShanTou ST268 USB NIC */ 154 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ST268_USB_NIC }, 0}, 155 /* ShanTou ADM8515 */ 156 {{ USB_VENDOR_SHANTOU, USB_PRODUCT_SHANTOU_ADM8515 }, 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 USB_MATCH(udav) 168 { 169 USB_MATCH_START(udav, uaa); 170 171 return (udav_lookup(uaa->vendor, uaa->product) != NULL ? 172 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 173 } 174 175 /* Attach */ 176 USB_ATTACH(udav) 177 { 178 USB_ATTACH_START(udav, sc, uaa); 179 usbd_device_handle dev = uaa->device; 180 usbd_interface_handle iface; 181 usbd_status err; 182 usb_interface_descriptor_t *id; 183 usb_endpoint_descriptor_t *ed; 184 char *devinfop; 185 struct ifnet *ifp; 186 struct mii_data *mii; 187 u_char eaddr[ETHER_ADDR_LEN]; 188 int i, s; 189 190 sc->sc_dev = self; 191 192 devinfop = usbd_devinfo_alloc(dev, 0); 193 USB_ATTACH_SETUP; 194 aprint_normal_dev(self, "%s\n", devinfop); 195 usbd_devinfo_free(devinfop); 196 197 /* Move the device into the configured state. */ 198 err = usbd_set_config_no(dev, UDAV_CONFIG_NO, 1); /* idx 0 */ 199 if (err) { 200 aprint_error_dev(self, "setting config no failed\n"); 201 goto bad; 202 } 203 204 usb_init_task(&sc->sc_tick_task, udav_tick_task, sc); 205 mutex_init(&sc->sc_mii_lock, MUTEX_DEFAULT, IPL_NONE); 206 usb_init_task(&sc->sc_stop_task, (void (*)(void *)) udav_stop_task, sc); 207 208 /* get control interface */ 209 err = usbd_device2interface_handle(dev, UDAV_IFACE_INDEX, &iface); 210 if (err) { 211 aprint_error_dev(self, "failed to get interface, err=%s\n", 212 usbd_errstr(err)); 213 goto bad; 214 } 215 216 sc->sc_udev = dev; 217 sc->sc_ctl_iface = iface; 218 sc->sc_flags = udav_lookup(uaa->vendor, uaa->product)->udav_flags; 219 220 /* get interface descriptor */ 221 id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 222 223 /* find endpoints */ 224 sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; 225 for (i = 0; i < id->bNumEndpoints; i++) { 226 ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 227 if (ed == NULL) { 228 aprint_error_dev(self, "couldn't get endpoint %d\n", i); 229 goto bad; 230 } 231 if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 232 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 233 sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ 234 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && 235 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) 236 sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ 237 else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && 238 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) 239 sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ 240 } 241 242 if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || 243 sc->sc_intrin_no == -1) { 244 aprint_error_dev(self, "missing endpoint\n"); 245 goto bad; 246 } 247 248 s = splnet(); 249 250 /* reset the adapter */ 251 udav_reset(sc); 252 253 /* Get Ethernet Address */ 254 err = udav_csr_read(sc, UDAV_PAR, (void *)eaddr, ETHER_ADDR_LEN); 255 if (err) { 256 aprint_error_dev(self, "read MAC address failed\n"); 257 splx(s); 258 goto bad; 259 } 260 261 /* Print Ethernet Address */ 262 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 263 264 /* initialize interface information */ 265 ifp = GET_IFP(sc); 266 ifp->if_softc = sc; 267 ifp->if_mtu = ETHERMTU; 268 strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); 269 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 270 ifp->if_start = udav_start; 271 ifp->if_ioctl = udav_ioctl; 272 ifp->if_watchdog = udav_watchdog; 273 ifp->if_init = udav_init; 274 ifp->if_stop = udav_stop; 275 276 IFQ_SET_READY(&ifp->if_snd); 277 278 /* 279 * Do ifmedia setup. 280 */ 281 mii = &sc->sc_mii; 282 mii->mii_ifp = ifp; 283 mii->mii_readreg = udav_miibus_readreg; 284 mii->mii_writereg = udav_miibus_writereg; 285 mii->mii_statchg = udav_miibus_statchg; 286 mii->mii_flags = MIIF_AUTOTSLEEP; 287 sc->sc_ec.ec_mii = mii; 288 ifmedia_init(&mii->mii_media, 0, 289 udav_ifmedia_change, udav_ifmedia_status); 290 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 291 if (LIST_FIRST(&mii->mii_phys) == NULL) { 292 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 293 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 294 } else 295 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 296 297 /* attach the interface */ 298 if_attach(ifp); 299 Ether_ifattach(ifp, eaddr); 300 301 #if NRND > 0 302 rnd_attach_source(&sc->rnd_source, device_xname(self), 303 RND_TYPE_NET, 0); 304 #endif 305 306 usb_callout_init(sc->sc_stat_ch); 307 sc->sc_attached = 1; 308 splx(s); 309 310 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, USBDEV(sc->sc_dev)); 311 312 USB_ATTACH_SUCCESS_RETURN; 313 314 bad: 315 sc->sc_dying = 1; 316 USB_ATTACH_ERROR_RETURN; 317 } 318 319 /* detach */ 320 USB_DETACH(udav) 321 { 322 USB_DETACH_START(udav, sc); 323 struct ifnet *ifp = GET_IFP(sc); 324 int s; 325 326 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 327 328 /* Detached before attached finished */ 329 if (!sc->sc_attached) 330 return (0); 331 332 usb_uncallout(sc->sc_stat_ch, udav_tick, sc); 333 334 /* Remove any pending tasks */ 335 usb_rem_task(sc->sc_udev, &sc->sc_tick_task); 336 usb_rem_task(sc->sc_udev, &sc->sc_stop_task); 337 338 s = splusb(); 339 340 if (--sc->sc_refcnt >= 0) { 341 /* Wait for processes to go away */ 342 usb_detach_wait(USBDEV(sc->sc_dev)); 343 } 344 if (ifp->if_flags & IFF_RUNNING) 345 udav_stop(GET_IFP(sc), 1); 346 347 #if NRND > 0 348 rnd_detach_source(&sc->rnd_source); 349 #endif 350 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 351 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); 352 ether_ifdetach(ifp); 353 if_detach(ifp); 354 355 #ifdef DIAGNOSTIC 356 if (sc->sc_pipe_tx != NULL) 357 aprint_debug_dev(self, "detach has active tx endpoint.\n"); 358 if (sc->sc_pipe_rx != NULL) 359 aprint_debug_dev(self, "detach has active rx endpoint.\n"); 360 if (sc->sc_pipe_intr != NULL) 361 aprint_debug_dev(self, "detach has active intr endpoint.\n"); 362 #endif 363 sc->sc_attached = 0; 364 365 splx(s); 366 367 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 368 USBDEV(sc->sc_dev)); 369 370 mutex_destroy(&sc->sc_mii_lock); 371 372 return (0); 373 } 374 375 #if 0 376 /* read memory */ 377 Static int 378 udav_mem_read(struct udav_softc *sc, int offset, void *buf, int len) 379 { 380 usb_device_request_t req; 381 usbd_status err; 382 383 if (sc == NULL) 384 return (0); 385 386 DPRINTFN(0x200, 387 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 388 389 if (sc->sc_dying) 390 return (0); 391 392 offset &= 0xffff; 393 len &= 0xff; 394 395 req.bmRequestType = UT_READ_VENDOR_DEVICE; 396 req.bRequest = UDAV_REQ_MEM_READ; 397 USETW(req.wValue, 0x0000); 398 USETW(req.wIndex, offset); 399 USETW(req.wLength, len); 400 401 sc->sc_refcnt++; 402 err = usbd_do_request(sc->sc_udev, &req, buf); 403 if (--sc->sc_refcnt < 0) 404 usb_detach_wakeup(USBDEV(sc->sc_dev)); 405 if (err) { 406 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 407 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 408 } 409 410 return (err); 411 } 412 413 /* write memory */ 414 Static int 415 udav_mem_write(struct udav_softc *sc, int offset, void *buf, int len) 416 { 417 usb_device_request_t req; 418 usbd_status err; 419 420 if (sc == NULL) 421 return (0); 422 423 DPRINTFN(0x200, 424 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 425 426 if (sc->sc_dying) 427 return (0); 428 429 offset &= 0xffff; 430 len &= 0xff; 431 432 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 433 req.bRequest = UDAV_REQ_MEM_WRITE; 434 USETW(req.wValue, 0x0000); 435 USETW(req.wIndex, offset); 436 USETW(req.wLength, len); 437 438 sc->sc_refcnt++; 439 err = usbd_do_request(sc->sc_udev, &req, buf); 440 if (--sc->sc_refcnt < 0) 441 usb_detach_wakeup(USBDEV(sc->sc_dev)); 442 if (err) { 443 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 444 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 445 } 446 447 return (err); 448 } 449 450 /* write memory */ 451 Static int 452 udav_mem_write1(struct udav_softc *sc, int offset, unsigned char ch) 453 { 454 usb_device_request_t req; 455 usbd_status err; 456 457 if (sc == NULL) 458 return (0); 459 460 DPRINTFN(0x200, 461 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 462 463 if (sc->sc_dying) 464 return (0); 465 466 offset &= 0xffff; 467 468 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 469 req.bRequest = UDAV_REQ_MEM_WRITE1; 470 USETW(req.wValue, ch); 471 USETW(req.wIndex, offset); 472 USETW(req.wLength, 0x0000); 473 474 sc->sc_refcnt++; 475 err = usbd_do_request(sc->sc_udev, &req, NULL); 476 if (--sc->sc_refcnt < 0) 477 usb_detach_wakeup(USBDEV(sc->sc_dev)); 478 if (err) { 479 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 480 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 481 } 482 483 return (err); 484 } 485 #endif 486 487 /* read register(s) */ 488 Static int 489 udav_csr_read(struct udav_softc *sc, int offset, void *buf, int len) 490 { 491 usb_device_request_t req; 492 usbd_status err; 493 494 if (sc == NULL) 495 return (0); 496 497 DPRINTFN(0x200, 498 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 499 500 if (sc->sc_dying) 501 return (0); 502 503 offset &= 0xff; 504 len &= 0xff; 505 506 req.bmRequestType = UT_READ_VENDOR_DEVICE; 507 req.bRequest = UDAV_REQ_REG_READ; 508 USETW(req.wValue, 0x0000); 509 USETW(req.wIndex, offset); 510 USETW(req.wLength, len); 511 512 sc->sc_refcnt++; 513 err = usbd_do_request(sc->sc_udev, &req, buf); 514 if (--sc->sc_refcnt < 0) 515 usb_detach_wakeup(USBDEV(sc->sc_dev)); 516 if (err) { 517 DPRINTF(("%s: %s: read failed. off=%04x, err=%d\n", 518 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 519 } 520 521 return (err); 522 } 523 524 /* write register(s) */ 525 Static int 526 udav_csr_write(struct udav_softc *sc, int offset, void *buf, int len) 527 { 528 usb_device_request_t req; 529 usbd_status err; 530 531 if (sc == NULL) 532 return (0); 533 534 DPRINTFN(0x200, 535 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 536 537 if (sc->sc_dying) 538 return (0); 539 540 offset &= 0xff; 541 len &= 0xff; 542 543 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 544 req.bRequest = UDAV_REQ_REG_WRITE; 545 USETW(req.wValue, 0x0000); 546 USETW(req.wIndex, offset); 547 USETW(req.wLength, len); 548 549 sc->sc_refcnt++; 550 err = usbd_do_request(sc->sc_udev, &req, buf); 551 if (--sc->sc_refcnt < 0) 552 usb_detach_wakeup(USBDEV(sc->sc_dev)); 553 if (err) { 554 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 555 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 556 } 557 558 return (err); 559 } 560 561 Static int 562 udav_csr_read1(struct udav_softc *sc, int offset) 563 { 564 u_int8_t val = 0; 565 566 if (sc == NULL) 567 return (0); 568 569 DPRINTFN(0x200, 570 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 571 572 if (sc->sc_dying) 573 return (0); 574 575 return (udav_csr_read(sc, offset, &val, 1) ? 0 : val); 576 } 577 578 /* write a register */ 579 Static int 580 udav_csr_write1(struct udav_softc *sc, int offset, unsigned char ch) 581 { 582 usb_device_request_t req; 583 usbd_status err; 584 585 if (sc == NULL) 586 return (0); 587 588 DPRINTFN(0x200, 589 ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 590 591 if (sc->sc_dying) 592 return (0); 593 594 offset &= 0xff; 595 596 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 597 req.bRequest = UDAV_REQ_REG_WRITE1; 598 USETW(req.wValue, ch); 599 USETW(req.wIndex, offset); 600 USETW(req.wLength, 0x0000); 601 602 sc->sc_refcnt++; 603 err = usbd_do_request(sc->sc_udev, &req, NULL); 604 if (--sc->sc_refcnt < 0) 605 usb_detach_wakeup(USBDEV(sc->sc_dev)); 606 if (err) { 607 DPRINTF(("%s: %s: write failed. off=%04x, err=%d\n", 608 USBDEVNAME(sc->sc_dev), __func__, offset, err)); 609 } 610 611 return (err); 612 } 613 614 Static int 615 udav_init(struct ifnet *ifp) 616 { 617 struct udav_softc *sc = ifp->if_softc; 618 struct mii_data *mii = GET_MII(sc); 619 uint8_t eaddr[ETHER_ADDR_LEN]; 620 int rc, s; 621 622 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 623 624 if (sc->sc_dying) 625 return (EIO); 626 627 s = splnet(); 628 629 /* Cancel pending I/O and free all TX/RX buffers */ 630 udav_stop(ifp, 1); 631 632 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 633 udav_csr_write(sc, UDAV_PAR, eaddr, ETHER_ADDR_LEN); 634 635 /* Initialize network control register */ 636 /* Disable loopback */ 637 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_LBK0 | UDAV_NCR_LBK1); 638 639 /* Initialize RX control register */ 640 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_DIS_LONG | UDAV_RCR_DIS_CRC); 641 642 /* If we want promiscuous mode, accept all physical frames. */ 643 if (ifp->if_flags & IFF_PROMISC) 644 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 645 else 646 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 647 648 /* Initialize transmit ring */ 649 if (udav_tx_list_init(sc) == ENOBUFS) { 650 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 651 splx(s); 652 return (EIO); 653 } 654 655 /* Initialize receive ring */ 656 if (udav_rx_list_init(sc) == ENOBUFS) { 657 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 658 splx(s); 659 return (EIO); 660 } 661 662 /* Load the multicast filter */ 663 udav_setmulti(sc); 664 665 /* Enable RX */ 666 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_RXEN); 667 668 /* clear POWER_DOWN state of internal PHY */ 669 UDAV_SETBIT(sc, UDAV_GPCR, UDAV_GPCR_GEP_CNTL0); 670 UDAV_CLRBIT(sc, UDAV_GPR, UDAV_GPR_GEPIO0); 671 672 if ((rc = mii_mediachg(mii)) == ENXIO) 673 rc = 0; 674 else if (rc != 0) 675 goto out; 676 677 if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { 678 if (udav_openpipes(sc)) { 679 splx(s); 680 return (EIO); 681 } 682 } 683 684 ifp->if_flags |= IFF_RUNNING; 685 ifp->if_flags &= ~IFF_OACTIVE; 686 687 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc); 688 689 out: 690 splx(s); 691 return rc; 692 } 693 694 Static void 695 udav_reset(struct udav_softc *sc) 696 { 697 int i; 698 699 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 700 701 if (sc->sc_dying) 702 return; 703 704 /* Select PHY */ 705 #if 1 706 /* 707 * XXX: force select internal phy. 708 * external phy routines are not tested. 709 */ 710 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 711 #else 712 if (sc->sc_flags & UDAV_EXT_PHY) { 713 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 714 } else { 715 UDAV_CLRBIT(sc, UDAV_NCR, UDAV_NCR_EXT_PHY); 716 } 717 #endif 718 719 UDAV_SETBIT(sc, UDAV_NCR, UDAV_NCR_RST); 720 721 for (i = 0; i < UDAV_TX_TIMEOUT; i++) { 722 if (!(udav_csr_read1(sc, UDAV_NCR) & UDAV_NCR_RST)) 723 break; 724 delay(10); /* XXX */ 725 } 726 delay(10000); /* XXX */ 727 } 728 729 int 730 udav_activate(device_ptr_t self, enum devact act) 731 { 732 struct udav_softc *sc = device_private(self); 733 734 DPRINTF(("%s: %s: enter, act=%d\n", USBDEVNAME(sc->sc_dev), 735 __func__, act)); 736 switch (act) { 737 case DVACT_ACTIVATE: 738 return (EOPNOTSUPP); 739 break; 740 741 case DVACT_DEACTIVATE: 742 if_deactivate(&sc->sc_ec.ec_if); 743 sc->sc_dying = 1; 744 break; 745 } 746 return (0); 747 } 748 749 #define UDAV_BITS 6 750 751 #define UDAV_CALCHASH(addr) \ 752 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((1 << UDAV_BITS) - 1)) 753 754 Static void 755 udav_setmulti(struct udav_softc *sc) 756 { 757 struct ifnet *ifp; 758 struct ether_multi *enm; 759 struct ether_multistep step; 760 u_int8_t hashes[8]; 761 int h = 0; 762 763 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 764 765 if (sc->sc_dying) 766 return; 767 768 ifp = GET_IFP(sc); 769 770 if (ifp->if_flags & IFF_PROMISC) { 771 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL|UDAV_RCR_PRMSC); 772 return; 773 } else if (ifp->if_flags & IFF_ALLMULTI) { 774 allmulti: 775 ifp->if_flags |= IFF_ALLMULTI; 776 UDAV_SETBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 777 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_PRMSC); 778 return; 779 } 780 781 /* first, zot all the existing hash bits */ 782 memset(hashes, 0x00, sizeof(hashes)); 783 hashes[7] |= 0x80; /* broadcast address */ 784 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 785 786 /* now program new ones */ 787 ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); 788 while (enm != NULL) { 789 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 790 ETHER_ADDR_LEN) != 0) 791 goto allmulti; 792 793 h = UDAV_CALCHASH(enm->enm_addrlo); 794 hashes[h>>3] |= 1 << (h & 0x7); 795 ETHER_NEXT_MULTI(step, enm); 796 } 797 798 /* disable all multicast */ 799 ifp->if_flags &= ~IFF_ALLMULTI; 800 UDAV_CLRBIT(sc, UDAV_RCR, UDAV_RCR_ALL); 801 802 /* write hash value to the register */ 803 udav_csr_write(sc, UDAV_MAR, hashes, sizeof(hashes)); 804 } 805 806 Static int 807 udav_openpipes(struct udav_softc *sc) 808 { 809 struct udav_chain *c; 810 usbd_status err; 811 int i; 812 int error = 0; 813 814 if (sc->sc_dying) 815 return (EIO); 816 817 sc->sc_refcnt++; 818 819 /* Open RX pipe */ 820 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, 821 USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); 822 if (err) { 823 printf("%s: open rx pipe failed: %s\n", 824 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 825 error = EIO; 826 goto done; 827 } 828 829 /* Open TX pipe */ 830 err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, 831 USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); 832 if (err) { 833 printf("%s: open tx pipe failed: %s\n", 834 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 835 error = EIO; 836 goto done; 837 } 838 839 #if 0 840 /* XXX: interrupt endpoint is not yet supported */ 841 /* Open Interrupt pipe */ 842 err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, 843 USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, 844 &sc->sc_cdata.udav_ibuf, UDAV_INTR_PKGLEN, 845 udav_intr, USBD_DEFAULT_INTERVAL); 846 if (err) { 847 printf("%s: open intr pipe failed: %s\n", 848 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 849 error = EIO; 850 goto done; 851 } 852 #endif 853 854 855 /* Start up the receive pipe. */ 856 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 857 c = &sc->sc_cdata.udav_rx_chain[i]; 858 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_rx, 859 c, c->udav_buf, UDAV_BUFSZ, 860 USBD_SHORT_XFER_OK | USBD_NO_COPY, 861 USBD_NO_TIMEOUT, udav_rxeof); 862 (void)usbd_transfer(c->udav_xfer); 863 DPRINTF(("%s: %s: start read\n", USBDEVNAME(sc->sc_dev), 864 __func__)); 865 } 866 867 done: 868 if (--sc->sc_refcnt < 0) 869 usb_detach_wakeup(USBDEV(sc->sc_dev)); 870 871 return (error); 872 } 873 874 Static int 875 udav_newbuf(struct udav_softc *sc, struct udav_chain *c, struct mbuf *m) 876 { 877 struct mbuf *m_new = NULL; 878 879 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 880 881 if (m == NULL) { 882 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 883 if (m_new == NULL) { 884 printf("%s: no memory for rx list " 885 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 886 return (ENOBUFS); 887 } 888 MCLGET(m_new, M_DONTWAIT); 889 if (!(m_new->m_flags & M_EXT)) { 890 printf("%s: no memory for rx list " 891 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 892 m_freem(m_new); 893 return (ENOBUFS); 894 } 895 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 896 } else { 897 m_new = m; 898 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 899 m_new->m_data = m_new->m_ext.ext_buf; 900 } 901 902 m_adj(m_new, ETHER_ALIGN); 903 c->udav_mbuf = m_new; 904 905 return (0); 906 } 907 908 909 Static int 910 udav_rx_list_init(struct udav_softc *sc) 911 { 912 struct udav_cdata *cd; 913 struct udav_chain *c; 914 int i; 915 916 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 917 918 cd = &sc->sc_cdata; 919 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 920 c = &cd->udav_rx_chain[i]; 921 c->udav_sc = sc; 922 c->udav_idx = i; 923 if (udav_newbuf(sc, c, NULL) == ENOBUFS) 924 return (ENOBUFS); 925 if (c->udav_xfer == NULL) { 926 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 927 if (c->udav_xfer == NULL) 928 return (ENOBUFS); 929 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 930 if (c->udav_buf == NULL) { 931 usbd_free_xfer(c->udav_xfer); 932 return (ENOBUFS); 933 } 934 } 935 } 936 937 return (0); 938 } 939 940 Static int 941 udav_tx_list_init(struct udav_softc *sc) 942 { 943 struct udav_cdata *cd; 944 struct udav_chain *c; 945 int i; 946 947 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 948 949 cd = &sc->sc_cdata; 950 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 951 c = &cd->udav_tx_chain[i]; 952 c->udav_sc = sc; 953 c->udav_idx = i; 954 c->udav_mbuf = NULL; 955 if (c->udav_xfer == NULL) { 956 c->udav_xfer = usbd_alloc_xfer(sc->sc_udev); 957 if (c->udav_xfer == NULL) 958 return (ENOBUFS); 959 c->udav_buf = usbd_alloc_buffer(c->udav_xfer, UDAV_BUFSZ); 960 if (c->udav_buf == NULL) { 961 usbd_free_xfer(c->udav_xfer); 962 return (ENOBUFS); 963 } 964 } 965 } 966 967 return (0); 968 } 969 970 Static void 971 udav_start(struct ifnet *ifp) 972 { 973 struct udav_softc *sc = ifp->if_softc; 974 struct mbuf *m_head = NULL; 975 976 DPRINTF(("%s: %s: enter, link=%d\n", USBDEVNAME(sc->sc_dev), 977 __func__, sc->sc_link)); 978 979 if (sc->sc_dying) 980 return; 981 982 if (!sc->sc_link) 983 return; 984 985 if (ifp->if_flags & IFF_OACTIVE) 986 return; 987 988 IFQ_POLL(&ifp->if_snd, m_head); 989 if (m_head == NULL) 990 return; 991 992 if (udav_send(sc, m_head, 0)) { 993 ifp->if_flags |= IFF_OACTIVE; 994 return; 995 } 996 997 IFQ_DEQUEUE(&ifp->if_snd, m_head); 998 999 #if NBPFILTER > 0 1000 if (ifp->if_bpf) 1001 bpf_mtap(ifp->if_bpf, m_head); 1002 #endif 1003 1004 ifp->if_flags |= IFF_OACTIVE; 1005 1006 /* Set a timeout in case the chip goes out to lunch. */ 1007 ifp->if_timer = 5; 1008 } 1009 1010 Static int 1011 udav_send(struct udav_softc *sc, struct mbuf *m, int idx) 1012 { 1013 int total_len; 1014 struct udav_chain *c; 1015 usbd_status err; 1016 1017 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 1018 1019 c = &sc->sc_cdata.udav_tx_chain[idx]; 1020 1021 /* Copy the mbuf data into a contiguous buffer */ 1022 /* first 2 bytes are packet length */ 1023 m_copydata(m, 0, m->m_pkthdr.len, c->udav_buf + 2); 1024 c->udav_mbuf = m; 1025 total_len = m->m_pkthdr.len; 1026 if (total_len < UDAV_MIN_FRAME_LEN) { 1027 memset(c->udav_buf + 2 + total_len, 0, 1028 UDAV_MIN_FRAME_LEN - total_len); 1029 total_len = UDAV_MIN_FRAME_LEN; 1030 } 1031 1032 /* Frame length is specified in the first 2bytes of the buffer */ 1033 c->udav_buf[0] = (u_int8_t)total_len; 1034 c->udav_buf[1] = (u_int8_t)(total_len >> 8); 1035 total_len += 2; 1036 1037 usbd_setup_xfer(c->udav_xfer, sc->sc_pipe_tx, c, c->udav_buf, total_len, 1038 USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1039 UDAV_TX_TIMEOUT, udav_txeof); 1040 1041 /* Transmit */ 1042 sc->sc_refcnt++; 1043 err = usbd_transfer(c->udav_xfer); 1044 if (--sc->sc_refcnt < 0) 1045 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1046 if (err != USBD_IN_PROGRESS) { 1047 printf("%s: udav_send error=%s\n", USBDEVNAME(sc->sc_dev), 1048 usbd_errstr(err)); 1049 /* Stop the interface */ 1050 usb_add_task(sc->sc_udev, &sc->sc_stop_task, 1051 USB_TASKQ_DRIVER); 1052 return (EIO); 1053 } 1054 1055 DPRINTF(("%s: %s: send %d bytes\n", USBDEVNAME(sc->sc_dev), 1056 __func__, total_len)); 1057 1058 sc->sc_cdata.udav_tx_cnt++; 1059 1060 return (0); 1061 } 1062 1063 Static void 1064 udav_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 1065 usbd_status status) 1066 { 1067 struct udav_chain *c = priv; 1068 struct udav_softc *sc = c->udav_sc; 1069 struct ifnet *ifp = GET_IFP(sc); 1070 int s; 1071 1072 if (sc->sc_dying) 1073 return; 1074 1075 s = splnet(); 1076 1077 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1078 1079 ifp->if_timer = 0; 1080 ifp->if_flags &= ~IFF_OACTIVE; 1081 1082 if (status != USBD_NORMAL_COMPLETION) { 1083 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1084 splx(s); 1085 return; 1086 } 1087 ifp->if_oerrors++; 1088 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 1089 usbd_errstr(status)); 1090 if (status == USBD_STALLED) { 1091 sc->sc_refcnt++; 1092 usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); 1093 if (--sc->sc_refcnt < 0) 1094 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1095 } 1096 splx(s); 1097 return; 1098 } 1099 1100 ifp->if_opackets++; 1101 1102 m_freem(c->udav_mbuf); 1103 c->udav_mbuf = NULL; 1104 1105 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1106 udav_start(ifp); 1107 1108 splx(s); 1109 } 1110 1111 Static void 1112 udav_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1113 { 1114 struct udav_chain *c = priv; 1115 struct udav_softc *sc = c->udav_sc; 1116 struct ifnet *ifp = GET_IFP(sc); 1117 struct mbuf *m; 1118 u_int32_t total_len; 1119 u_int8_t *pktstat; 1120 int s; 1121 1122 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 1123 1124 if (sc->sc_dying) 1125 return; 1126 1127 if (status != USBD_NORMAL_COMPLETION) { 1128 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1129 return; 1130 sc->sc_rx_errs++; 1131 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1132 printf("%s: %u usb errors on rx: %s\n", 1133 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 1134 usbd_errstr(status)); 1135 sc->sc_rx_errs = 0; 1136 } 1137 if (status == USBD_STALLED) { 1138 sc->sc_refcnt++; 1139 usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); 1140 if (--sc->sc_refcnt < 0) 1141 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1142 } 1143 goto done; 1144 } 1145 1146 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1147 1148 /* copy data to mbuf */ 1149 m = c->udav_mbuf; 1150 memcpy(mtod(m, char *), c->udav_buf, total_len); 1151 1152 /* first byte in received data */ 1153 pktstat = mtod(m, u_int8_t *); 1154 m_adj(m, sizeof(u_int8_t)); 1155 DPRINTF(("%s: RX Status: 0x%02x\n", USBDEVNAME(sc->sc_dev), 1156 *pktstat)); 1157 1158 total_len = UGETW(mtod(m, u_int8_t *)); 1159 m_adj(m, sizeof(u_int16_t)); 1160 1161 if (*pktstat & UDAV_RSR_LCS) { 1162 ifp->if_collisions++; 1163 goto done; 1164 } 1165 1166 if (total_len < sizeof(struct ether_header) || 1167 *pktstat & UDAV_RSR_ERR) { 1168 ifp->if_ierrors++; 1169 goto done; 1170 } 1171 1172 ifp->if_ipackets++; 1173 total_len -= ETHER_CRC_LEN; 1174 1175 m->m_pkthdr.len = m->m_len = total_len; 1176 m->m_pkthdr.rcvif = ifp; 1177 1178 s = splnet(); 1179 1180 if (udav_newbuf(sc, c, NULL) == ENOBUFS) { 1181 ifp->if_ierrors++; 1182 goto done1; 1183 } 1184 1185 #if NBPFILTER > 0 1186 if (ifp->if_bpf) 1187 BPF_MTAP(ifp, m); 1188 #endif 1189 1190 DPRINTF(("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 1191 __func__, m->m_len)); 1192 IF_INPUT(ifp, m); 1193 1194 done1: 1195 splx(s); 1196 1197 done: 1198 /* Setup new transfer */ 1199 usbd_setup_xfer(xfer, sc->sc_pipe_rx, c, c->udav_buf, UDAV_BUFSZ, 1200 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1201 USBD_NO_TIMEOUT, udav_rxeof); 1202 sc->sc_refcnt++; 1203 usbd_transfer(xfer); 1204 if (--sc->sc_refcnt < 0) 1205 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1206 1207 DPRINTF(("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), __func__)); 1208 } 1209 1210 #if 0 1211 Static void udav_intr(void) 1212 { 1213 } 1214 #endif 1215 1216 Static int 1217 udav_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1218 { 1219 struct udav_softc *sc = ifp->if_softc; 1220 int s, error = 0; 1221 1222 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1223 1224 if (sc->sc_dying) 1225 return (EIO); 1226 1227 s = splnet(); 1228 1229 error = ether_ioctl(ifp, cmd, data); 1230 if (error == ENETRESET) { 1231 if (ifp->if_flags & IFF_RUNNING) 1232 udav_setmulti(sc); 1233 error = 0; 1234 } 1235 1236 splx(s); 1237 1238 return (error); 1239 } 1240 1241 Static void 1242 udav_watchdog(struct ifnet *ifp) 1243 { 1244 struct udav_softc *sc = ifp->if_softc; 1245 struct udav_chain *c; 1246 usbd_status stat; 1247 int s; 1248 1249 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1250 1251 ifp->if_oerrors++; 1252 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 1253 1254 s = splusb(); 1255 c = &sc->sc_cdata.udav_tx_chain[0]; 1256 usbd_get_xfer_status(c->udav_xfer, NULL, NULL, NULL, &stat); 1257 udav_txeof(c->udav_xfer, c, stat); 1258 1259 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1260 udav_start(ifp); 1261 splx(s); 1262 } 1263 1264 Static void 1265 udav_stop_task(struct udav_softc *sc) 1266 { 1267 udav_stop(GET_IFP(sc), 1); 1268 } 1269 1270 /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ 1271 Static void 1272 udav_stop(struct ifnet *ifp, int disable) 1273 { 1274 struct udav_softc *sc = ifp->if_softc; 1275 usbd_status err; 1276 int i; 1277 1278 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1279 1280 ifp->if_timer = 0; 1281 1282 udav_reset(sc); 1283 1284 usb_uncallout(sc->sc_stat_ch, udav_tick, sc); 1285 1286 /* Stop transfers */ 1287 /* RX endpoint */ 1288 if (sc->sc_pipe_rx != NULL) { 1289 err = usbd_abort_pipe(sc->sc_pipe_rx); 1290 if (err) 1291 printf("%s: abort rx pipe failed: %s\n", 1292 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1293 err = usbd_close_pipe(sc->sc_pipe_rx); 1294 if (err) 1295 printf("%s: close rx pipe failed: %s\n", 1296 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1297 sc->sc_pipe_rx = NULL; 1298 } 1299 1300 /* TX endpoint */ 1301 if (sc->sc_pipe_tx != NULL) { 1302 err = usbd_abort_pipe(sc->sc_pipe_tx); 1303 if (err) 1304 printf("%s: abort tx pipe failed: %s\n", 1305 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1306 err = usbd_close_pipe(sc->sc_pipe_tx); 1307 if (err) 1308 printf("%s: close tx pipe failed: %s\n", 1309 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1310 sc->sc_pipe_tx = NULL; 1311 } 1312 1313 #if 0 1314 /* XXX: Interrupt endpoint is not yet supported!! */ 1315 /* Interrupt endpoint */ 1316 if (sc->sc_pipe_intr != NULL) { 1317 err = usbd_abort_pipe(sc->sc_pipe_intr); 1318 if (err) 1319 printf("%s: abort intr pipe failed: %s\n", 1320 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1321 err = usbd_close_pipe(sc->sc_pipe_intr); 1322 if (err) 1323 printf("%s: close intr pipe failed: %s\n", 1324 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1325 sc->sc_pipe_intr = NULL; 1326 } 1327 #endif 1328 1329 /* Free RX resources. */ 1330 for (i = 0; i < UDAV_RX_LIST_CNT; i++) { 1331 if (sc->sc_cdata.udav_rx_chain[i].udav_mbuf != NULL) { 1332 m_freem(sc->sc_cdata.udav_rx_chain[i].udav_mbuf); 1333 sc->sc_cdata.udav_rx_chain[i].udav_mbuf = NULL; 1334 } 1335 if (sc->sc_cdata.udav_rx_chain[i].udav_xfer != NULL) { 1336 usbd_free_xfer(sc->sc_cdata.udav_rx_chain[i].udav_xfer); 1337 sc->sc_cdata.udav_rx_chain[i].udav_xfer = NULL; 1338 } 1339 } 1340 1341 /* Free TX resources. */ 1342 for (i = 0; i < UDAV_TX_LIST_CNT; i++) { 1343 if (sc->sc_cdata.udav_tx_chain[i].udav_mbuf != NULL) { 1344 m_freem(sc->sc_cdata.udav_tx_chain[i].udav_mbuf); 1345 sc->sc_cdata.udav_tx_chain[i].udav_mbuf = NULL; 1346 } 1347 if (sc->sc_cdata.udav_tx_chain[i].udav_xfer != NULL) { 1348 usbd_free_xfer(sc->sc_cdata.udav_tx_chain[i].udav_xfer); 1349 sc->sc_cdata.udav_tx_chain[i].udav_xfer = NULL; 1350 } 1351 } 1352 1353 sc->sc_link = 0; 1354 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1355 } 1356 1357 /* Set media options */ 1358 Static int 1359 udav_ifmedia_change(struct ifnet *ifp) 1360 { 1361 struct udav_softc *sc = ifp->if_softc; 1362 struct mii_data *mii = GET_MII(sc); 1363 int rc; 1364 1365 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1366 1367 if (sc->sc_dying) 1368 return (0); 1369 1370 sc->sc_link = 0; 1371 if ((rc = mii_mediachg(mii)) == ENXIO) 1372 return 0; 1373 return rc; 1374 } 1375 1376 /* Report current media status. */ 1377 Static void 1378 udav_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) 1379 { 1380 struct udav_softc *sc = ifp->if_softc; 1381 1382 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1383 1384 if (sc->sc_dying) 1385 return; 1386 1387 ether_mediastatus(ifp, ifmr); 1388 } 1389 1390 Static void 1391 udav_tick(void *xsc) 1392 { 1393 struct udav_softc *sc = xsc; 1394 1395 if (sc == NULL) 1396 return; 1397 1398 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1399 __func__)); 1400 1401 if (sc->sc_dying) 1402 return; 1403 1404 /* Perform periodic stuff in process context */ 1405 usb_add_task(sc->sc_udev, &sc->sc_tick_task, 1406 USB_TASKQ_DRIVER); 1407 } 1408 1409 Static void 1410 udav_tick_task(void *xsc) 1411 { 1412 struct udav_softc *sc = xsc; 1413 struct ifnet *ifp; 1414 struct mii_data *mii; 1415 int s; 1416 1417 if (sc == NULL) 1418 return; 1419 1420 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1421 __func__)); 1422 1423 if (sc->sc_dying) 1424 return; 1425 1426 ifp = GET_IFP(sc); 1427 mii = GET_MII(sc); 1428 1429 if (mii == NULL) 1430 return; 1431 1432 s = splnet(); 1433 1434 mii_tick(mii); 1435 if (!sc->sc_link) { 1436 mii_pollstat(mii); 1437 if (mii->mii_media_status & IFM_ACTIVE && 1438 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1439 DPRINTF(("%s: %s: got link\n", 1440 USBDEVNAME(sc->sc_dev), __func__)); 1441 sc->sc_link++; 1442 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1443 udav_start(ifp); 1444 } 1445 } 1446 1447 usb_callout(sc->sc_stat_ch, hz, udav_tick, sc); 1448 1449 splx(s); 1450 } 1451 1452 /* Get exclusive access to the MII registers */ 1453 Static void 1454 udav_lock_mii(struct udav_softc *sc) 1455 { 1456 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1457 __func__)); 1458 1459 sc->sc_refcnt++; 1460 mutex_enter(&sc->sc_mii_lock); 1461 } 1462 1463 Static void 1464 udav_unlock_mii(struct udav_softc *sc) 1465 { 1466 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), 1467 __func__)); 1468 1469 mutex_exit(&sc->sc_mii_lock); 1470 if (--sc->sc_refcnt < 0) 1471 usb_detach_wakeup(USBDEV(sc->sc_dev)); 1472 } 1473 1474 Static int 1475 udav_miibus_readreg(device_ptr_t dev, int phy, int reg) 1476 { 1477 struct udav_softc *sc; 1478 u_int8_t val[2]; 1479 u_int16_t data16; 1480 1481 if (dev == NULL) 1482 return (0); 1483 1484 sc = USBGETSOFTC(dev); 1485 1486 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n", 1487 USBDEVNAME(sc->sc_dev), __func__, phy, reg)); 1488 1489 if (sc->sc_dying) { 1490 #ifdef DIAGNOSTIC 1491 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1492 __func__); 1493 #endif 1494 return (0); 1495 } 1496 1497 /* XXX: one PHY only for the internal PHY */ 1498 if (phy != 0) { 1499 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1500 USBDEVNAME(sc->sc_dev), __func__, phy)); 1501 return (0); 1502 } 1503 1504 udav_lock_mii(sc); 1505 1506 /* select internal PHY and set PHY register address */ 1507 udav_csr_write1(sc, UDAV_EPAR, 1508 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1509 1510 /* select PHY operation and start read command */ 1511 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRR); 1512 1513 /* XXX: should be wait? */ 1514 1515 /* end read command */ 1516 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRR); 1517 1518 /* retrieve the result from data registers */ 1519 udav_csr_read(sc, UDAV_EPDRL, val, 2); 1520 1521 udav_unlock_mii(sc); 1522 1523 data16 = val[0] | (val[1] << 8); 1524 1525 DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n", 1526 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data16)); 1527 1528 return (data16); 1529 } 1530 1531 Static void 1532 udav_miibus_writereg(device_ptr_t dev, int phy, int reg, int data) 1533 { 1534 struct udav_softc *sc; 1535 u_int8_t val[2]; 1536 1537 if (dev == NULL) 1538 return; 1539 1540 sc = USBGETSOFTC(dev); 1541 1542 DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n", 1543 USBDEVNAME(sc->sc_dev), __func__, phy, reg, data)); 1544 1545 if (sc->sc_dying) { 1546 #ifdef DIAGNOSTIC 1547 printf("%s: %s: dying\n", USBDEVNAME(sc->sc_dev), 1548 __func__); 1549 #endif 1550 return; 1551 } 1552 1553 /* XXX: one PHY only for the internal PHY */ 1554 if (phy != 0) { 1555 DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n", 1556 USBDEVNAME(sc->sc_dev), __func__, phy)); 1557 return; 1558 } 1559 1560 udav_lock_mii(sc); 1561 1562 /* select internal PHY and set PHY register address */ 1563 udav_csr_write1(sc, UDAV_EPAR, 1564 UDAV_EPAR_PHY_ADR0 | (reg & UDAV_EPAR_EROA_MASK)); 1565 1566 /* put the value to the data registers */ 1567 val[0] = data & 0xff; 1568 val[1] = (data >> 8) & 0xff; 1569 udav_csr_write(sc, UDAV_EPDRL, val, 2); 1570 1571 /* select PHY operation and start write command */ 1572 udav_csr_write1(sc, UDAV_EPCR, UDAV_EPCR_EPOS | UDAV_EPCR_ERPRW); 1573 1574 /* XXX: should be wait? */ 1575 1576 /* end write command */ 1577 UDAV_CLRBIT(sc, UDAV_EPCR, UDAV_EPCR_ERPRW); 1578 1579 udav_unlock_mii(sc); 1580 1581 return; 1582 } 1583 1584 Static void 1585 udav_miibus_statchg(device_ptr_t dev) 1586 { 1587 #ifdef UDAV_DEBUG 1588 struct udav_softc *sc; 1589 1590 if (dev == NULL) 1591 return; 1592 1593 sc = USBGETSOFTC(dev); 1594 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 1595 #endif 1596 /* Nothing to do */ 1597 } 1598
Indexes created Tue Sep 30 11:09:46 GMT 2025