if_cue.c revision 1.68.2.3
1 /* $NetBSD: if_cue.c,v 1.68.2.3 2018/08/08 10:17:11 martin Exp $ */ 2 /* 3 * Copyright (c) 1997, 1998, 1999, 2000 4 * Bill Paul <wpaul (at) ee.columbia.edu>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Bill Paul. 17 * 4. Neither the name of the author nor the names of any co-contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $ 34 */ 35 36 /* 37 * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate 38 * adapters and others. 39 * 40 * Written by Bill Paul <wpaul (at) ee.columbia.edu> 41 * Electrical Engineering Department 42 * Columbia University, New York City 43 */ 44 45 /* 46 * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The 47 * RX filter uses a 512-bit multicast hash table, single perfect entry 48 * for the station address, and promiscuous mode. Unlike the ADMtek 49 * and KLSI chips, the CATC ASIC supports read and write combining 50 * mode where multiple packets can be transfered using a single bulk 51 * transaction, which helps performance a great deal. 52 */ 53 54 /* 55 * Ported to NetBSD and somewhat rewritten by Lennart Augustsson. 56 */ 57 58 #include <sys/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: if_cue.c,v 1.68.2.3 2018/08/08 10:17:11 martin Exp $"); 60 61 #ifdef _KERNEL_OPT 62 #include "opt_inet.h" 63 #include "opt_usb.h" 64 #endif 65 66 #include <sys/param.h> 67 #include <sys/systm.h> 68 #include <sys/callout.h> 69 #include <sys/sockio.h> 70 #include <sys/mbuf.h> 71 #include <sys/kernel.h> 72 #include <sys/socket.h> 73 #include <sys/bus.h> 74 #include <sys/device.h> 75 #include <sys/rnd.h> 76 77 #include <net/if.h> 78 #include <net/if_arp.h> 79 #include <net/if_dl.h> 80 #include <net/bpf.h> 81 #include <net/if_ether.h> 82 83 #ifdef INET 84 #include <netinet/in.h> 85 #include <netinet/if_inarp.h> 86 #endif 87 88 #include <dev/usb/usb.h> 89 #include <dev/usb/usbdi.h> 90 #include <dev/usb/usbdi_util.h> 91 #include <dev/usb/usbdivar.h> 92 #include <dev/usb/usbdevs.h> 93 94 #include <dev/usb/if_cuereg.h> 95 96 #ifdef CUE_DEBUG 97 #define DPRINTF(x) if (cuedebug) printf x 98 #define DPRINTFN(n,x) if (cuedebug >= (n)) printf x 99 int cuedebug = 0; 100 #else 101 #define DPRINTF(x) 102 #define DPRINTFN(n,x) 103 #endif 104 105 /* 106 * Various supported device vendors/products. 107 */ 108 Static struct usb_devno cue_devs[] = { 109 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 110 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 111 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 112 /* Belkin F5U111 adapter covered by NETMATE entry */ 113 }; 114 #define cue_lookup(v, p) (usb_lookup(cue_devs, v, p)) 115 116 int cue_match(device_t, cfdata_t, void *); 117 void cue_attach(device_t, device_t, void *); 118 int cue_detach(device_t, int); 119 int cue_activate(device_t, enum devact); 120 extern struct cfdriver cue_cd; 121 CFATTACH_DECL_NEW(cue, sizeof(struct cue_softc), cue_match, cue_attach, 122 cue_detach, cue_activate); 123 124 Static int cue_tx_list_init(struct cue_softc *); 125 Static void cue_tx_list_free(struct cue_softc *); 126 Static int cue_rx_list_init(struct cue_softc *); 127 #if 0 128 Static void cue_rx_list_free(struct cue_softc *); 129 #endif 130 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 131 Static int cue_send(struct cue_softc *, struct mbuf *, int); 132 Static void cue_rxeof(struct usbd_xfer *, void *, usbd_status); 133 Static void cue_txeof(struct usbd_xfer *, void *, usbd_status); 134 Static void cue_tick(void *); 135 Static void cue_tick_task(void *); 136 Static void cue_start(struct ifnet *); 137 Static void cue_start_locked(struct ifnet *); 138 Static int cue_ioctl(struct ifnet *, u_long, void *); 139 Static int cue_ifflags_cb(struct ethercom *); 140 Static int cue_init(struct ifnet *); 141 Static int cue_init_locked(struct ifnet *); 142 Static void cue_stop(struct cue_softc *); 143 Static void cue_stop_locked(struct cue_softc *); 144 Static void cue_watchdog(struct ifnet *); 145 146 Static void cue_setmulti(struct cue_softc *); 147 Static uint32_t cue_crc(const char *); 148 Static void cue_reset(struct cue_softc *); 149 150 Static int cue_csr_read_1(struct cue_softc *, int); 151 Static int cue_csr_write_1(struct cue_softc *, int, int); 152 Static int cue_csr_read_2(struct cue_softc *, int); 153 #if 0 154 Static int cue_csr_write_2(struct cue_softc *, int, int); 155 #endif 156 Static int cue_mem(struct cue_softc *, int, int, void *, int); 157 Static int cue_getmac(struct cue_softc *, void *); 158 159 #define CUE_SETBIT(sc, reg, x) \ 160 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 161 162 #define CUE_CLRBIT(sc, reg, x) \ 163 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 164 165 Static int 166 cue_csr_read_1(struct cue_softc *sc, int reg) 167 { 168 usb_device_request_t req; 169 usbd_status err; 170 uint8_t val = 0; 171 172 if (sc->cue_dying) 173 return 0; 174 175 req.bmRequestType = UT_READ_VENDOR_DEVICE; 176 req.bRequest = CUE_CMD_READREG; 177 USETW(req.wValue, 0); 178 USETW(req.wIndex, reg); 179 USETW(req.wLength, 1); 180 181 err = usbd_do_request(sc->cue_udev, &req, &val); 182 183 if (err) { 184 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 185 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 186 return 0; 187 } 188 189 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 190 device_xname(sc->cue_dev), reg, val)); 191 192 return val; 193 } 194 195 Static int 196 cue_csr_read_2(struct cue_softc *sc, int reg) 197 { 198 usb_device_request_t req; 199 usbd_status err; 200 uWord val; 201 202 if (sc->cue_dying) 203 return 0; 204 205 req.bmRequestType = UT_READ_VENDOR_DEVICE; 206 req.bRequest = CUE_CMD_READREG; 207 USETW(req.wValue, 0); 208 USETW(req.wIndex, reg); 209 USETW(req.wLength, 2); 210 211 err = usbd_do_request(sc->cue_udev, &req, &val); 212 213 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 214 device_xname(sc->cue_dev), reg, UGETW(val))); 215 216 if (err) { 217 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 218 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 219 return 0; 220 } 221 222 return UGETW(val); 223 } 224 225 Static int 226 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 227 { 228 usb_device_request_t req; 229 usbd_status err; 230 231 if (sc->cue_dying) 232 return 0; 233 234 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 235 device_xname(sc->cue_dev), reg, val)); 236 237 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 238 req.bRequest = CUE_CMD_WRITEREG; 239 USETW(req.wValue, val); 240 USETW(req.wIndex, reg); 241 USETW(req.wLength, 0); 242 243 err = usbd_do_request(sc->cue_udev, &req, NULL); 244 245 if (err) { 246 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 247 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 248 return -1; 249 } 250 251 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 252 device_xname(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 253 254 return 0; 255 } 256 257 #if 0 258 Static int 259 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 260 { 261 usb_device_request_t req; 262 usbd_status err; 263 uWord val; 264 int s; 265 266 if (sc->cue_dying) 267 return 0; 268 269 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 270 device_xname(sc->cue_dev), reg, aval)); 271 272 USETW(val, aval); 273 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 274 req.bRequest = CUE_CMD_WRITEREG; 275 USETW(req.wValue, val); 276 USETW(req.wIndex, reg); 277 USETW(req.wLength, 0); 278 279 err = usbd_do_request(sc->cue_udev, &req, NULL); 280 281 if (err) { 282 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 283 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 284 return -1; 285 } 286 287 return 0; 288 } 289 #endif 290 291 Static int 292 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 293 { 294 usb_device_request_t req; 295 usbd_status err; 296 297 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 298 device_xname(sc->cue_dev), cmd, addr, len)); 299 300 if (cmd == CUE_CMD_READSRAM) 301 req.bmRequestType = UT_READ_VENDOR_DEVICE; 302 else 303 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 304 req.bRequest = cmd; 305 USETW(req.wValue, 0); 306 USETW(req.wIndex, addr); 307 USETW(req.wLength, len); 308 309 err = usbd_do_request(sc->cue_udev, &req, buf); 310 311 if (err) { 312 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 313 device_xname(sc->cue_dev), addr, usbd_errstr(err))); 314 return -1; 315 } 316 317 return 0; 318 } 319 320 Static int 321 cue_getmac(struct cue_softc *sc, void *buf) 322 { 323 usb_device_request_t req; 324 usbd_status err; 325 326 DPRINTFN(10,("%s: cue_getmac\n", device_xname(sc->cue_dev))); 327 328 req.bmRequestType = UT_READ_VENDOR_DEVICE; 329 req.bRequest = CUE_CMD_GET_MACADDR; 330 USETW(req.wValue, 0); 331 USETW(req.wIndex, 0); 332 USETW(req.wLength, ETHER_ADDR_LEN); 333 334 err = usbd_do_request(sc->cue_udev, &req, buf); 335 336 if (err) { 337 printf("%s: read MAC address failed\n", 338 device_xname(sc->cue_dev)); 339 return -1; 340 } 341 342 return 0; 343 } 344 345 #define CUE_POLY 0xEDB88320 346 #define CUE_BITS 9 347 348 Static uint32_t 349 cue_crc(const char *addr) 350 { 351 uint32_t idx, bit, data, crc; 352 353 /* Compute CRC for the address value. */ 354 crc = 0xFFFFFFFF; /* initial value */ 355 356 for (idx = 0; idx < 6; idx++) { 357 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 358 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 359 } 360 361 return crc & ((1 << CUE_BITS) - 1); 362 } 363 364 Static void 365 cue_setmulti(struct cue_softc *sc) 366 { 367 struct ifnet *ifp; 368 struct ether_multi *enm; 369 struct ether_multistep step; 370 uint32_t h, i; 371 372 ifp = GET_IFP(sc); 373 374 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 375 device_xname(sc->cue_dev), ifp->if_flags)); 376 377 if (ifp->if_flags & IFF_PROMISC) { 378 allmulti: 379 ifp->if_flags |= IFF_ALLMULTI; 380 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 381 sc->cue_mctab[i] = 0xFF; 382 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 383 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 384 return; 385 } 386 387 /* first, zot all the existing hash bits */ 388 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 389 sc->cue_mctab[i] = 0; 390 391 /* now program new ones */ 392 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 393 while (enm != NULL) { 394 if (memcmp(enm->enm_addrlo, 395 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 396 goto allmulti; 397 398 h = cue_crc(enm->enm_addrlo); 399 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 400 ETHER_NEXT_MULTI(step, enm); 401 } 402 403 ifp->if_flags &= ~IFF_ALLMULTI; 404 405 /* 406 * Also include the broadcast address in the filter 407 * so we can receive broadcast frames. 408 */ 409 if (ifp->if_flags & IFF_BROADCAST) { 410 h = cue_crc(etherbroadcastaddr); 411 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 412 } 413 414 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 415 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 416 } 417 418 Static void 419 cue_reset(struct cue_softc *sc) 420 { 421 usb_device_request_t req; 422 usbd_status err; 423 424 DPRINTFN(2,("%s: cue_reset\n", device_xname(sc->cue_dev))); 425 426 if (sc->cue_dying) 427 return; 428 429 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 430 req.bRequest = CUE_CMD_RESET; 431 USETW(req.wValue, 0); 432 USETW(req.wIndex, 0); 433 USETW(req.wLength, 0); 434 435 err = usbd_do_request(sc->cue_udev, &req, NULL); 436 437 if (err) 438 printf("%s: reset failed\n", device_xname(sc->cue_dev)); 439 440 /* Wait a little while for the chip to get its brains in order. */ 441 usbd_delay_ms(sc->cue_udev, 1); 442 } 443 444 /* 445 * Probe for a CATC chip. 446 */ 447 int 448 cue_match(device_t parent, cfdata_t match, void *aux) 449 { 450 struct usb_attach_arg *uaa = aux; 451 452 return cue_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 453 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 454 } 455 456 /* 457 * Attach the interface. Allocate softc structures, do ifmedia 458 * setup and ethernet/BPF attach. 459 */ 460 void 461 cue_attach(device_t parent, device_t self, void *aux) 462 { 463 struct cue_softc *sc = device_private(self); 464 struct usb_attach_arg *uaa = aux; 465 char *devinfop; 466 u_char eaddr[ETHER_ADDR_LEN]; 467 struct usbd_device * dev = uaa->uaa_device; 468 struct usbd_interface * iface; 469 usbd_status err; 470 struct ifnet *ifp; 471 usb_interface_descriptor_t *id; 472 usb_endpoint_descriptor_t *ed; 473 int i; 474 475 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 476 477 sc->cue_dev = self; 478 479 aprint_naive("\n"); 480 aprint_normal("\n"); 481 482 devinfop = usbd_devinfo_alloc(dev, 0); 483 aprint_normal_dev(self, "%s\n", devinfop); 484 usbd_devinfo_free(devinfop); 485 486 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 487 if (err) { 488 aprint_error_dev(self, "failed to set configuration" 489 ", err=%s\n", usbd_errstr(err)); 490 return; 491 } 492 493 sc->cue_udev = dev; 494 sc->cue_product = uaa->uaa_product; 495 sc->cue_vendor = uaa->uaa_vendor; 496 497 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc, 0); 498 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc, 0); 499 500 mutex_init(&sc->cue_lock, MUTEX_DEFAULT, IPL_NONE); 501 mutex_init(&sc->cue_txlock, MUTEX_DEFAULT, IPL_SOFTUSB); 502 mutex_init(&sc->cue_rxlock, MUTEX_DEFAULT, IPL_SOFTUSB); 503 504 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 505 if (err) { 506 aprint_error_dev(self, "getting interface handle failed\n"); 507 return; 508 } 509 510 sc->cue_iface = iface; 511 id = usbd_get_interface_descriptor(iface); 512 513 /* Find endpoints. */ 514 for (i = 0; i < id->bNumEndpoints; i++) { 515 ed = usbd_interface2endpoint_descriptor(iface, i); 516 if (ed == NULL) { 517 aprint_error_dev(self, "couldn't get ep %d\n", i); 518 return; 519 } 520 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 521 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 522 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 523 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 524 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 525 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 526 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 527 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 528 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 529 } 530 } 531 532 #if 0 533 /* Reset the adapter. */ 534 cue_reset(sc); 535 #endif 536 /* 537 * Get station address. 538 */ 539 cue_getmac(sc, &eaddr); 540 541 /* 542 * A CATC chip was detected. Inform the world. 543 */ 544 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 545 546 /* Initialize interface info.*/ 547 ifp = GET_IFP(sc); 548 ifp->if_softc = sc; 549 ifp->if_mtu = ETHERMTU; 550 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 551 ifp->if_init = cue_init; 552 ifp->if_ioctl = cue_ioctl; 553 ifp->if_start = cue_start; 554 ifp->if_watchdog = cue_watchdog; 555 strncpy(ifp->if_xname, device_xname(sc->cue_dev), IFNAMSIZ); 556 557 IFQ_SET_READY(&ifp->if_snd); 558 559 /* Attach the interface. */ 560 if_attach(ifp); 561 ether_ifattach(ifp, eaddr); 562 ether_set_ifflags_cb(&sc->cue_ec, cue_ifflags_cb); 563 rnd_attach_source(&sc->rnd_source, device_xname(sc->cue_dev), 564 RND_TYPE_NET, RND_FLAG_DEFAULT); 565 566 callout_init(&(sc->cue_stat_ch), 0); 567 568 sc->cue_attached = 1; 569 570 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, sc->cue_dev); 571 572 return; 573 } 574 575 int 576 cue_detach(device_t self, int flags) 577 { 578 struct cue_softc *sc = device_private(self); 579 struct ifnet *ifp = GET_IFP(sc); 580 int s; 581 582 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 583 584 /* 585 * XXX Halting callout guarantees no more tick tasks. What 586 * guarantees no more stop tasks? What guarantees no more 587 * calls to cue_send? Don't we need to wait for if_detach or 588 * something? Should we set sc->cue_dying here? Is device 589 * deactivation guaranteed to have already happened? 590 */ 591 callout_halt(&sc->cue_stat_ch, NULL); 592 usb_rem_task_wait(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER, 593 NULL); 594 usb_rem_task_wait(sc->cue_udev, &sc->cue_stop_task, USB_TASKQ_DRIVER, 595 NULL); 596 597 if (!sc->cue_attached) { 598 /* Detached before attached finished, so just bail out. */ 599 return 0; 600 } 601 602 s = splusb(); 603 604 if (ifp->if_flags & IFF_RUNNING) 605 cue_stop(sc); 606 607 rnd_detach_source(&sc->rnd_source); 608 ether_ifdetach(ifp); 609 610 if_detach(ifp); 611 612 #ifdef DIAGNOSTIC 613 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 614 sc->cue_ep[CUE_ENDPT_RX] != NULL || 615 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 616 aprint_debug_dev(self, "detach has active endpoints\n"); 617 #endif 618 619 mutex_destroy(&sc->cue_rxlock); 620 mutex_destroy(&sc->cue_txlock); 621 mutex_destroy(&sc->cue_lock); 622 623 sc->cue_attached = 0; 624 splx(s); 625 626 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, sc->cue_dev); 627 628 return 0; 629 } 630 631 int 632 cue_activate(device_t self, enum devact act) 633 { 634 struct cue_softc *sc = device_private(self); 635 636 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 637 638 switch (act) { 639 case DVACT_DEACTIVATE: 640 /* Deactivate the interface. */ 641 if_deactivate(&sc->cue_ec.ec_if); 642 sc->cue_dying = 1; 643 return 0; 644 default: 645 return EOPNOTSUPP; 646 } 647 } 648 649 /* 650 * Initialize an RX descriptor and attach an MBUF cluster. 651 */ 652 Static int 653 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 654 { 655 struct mbuf *m_new = NULL; 656 657 if (m == NULL) { 658 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 659 if (m_new == NULL) { 660 printf("%s: no memory for rx list " 661 "-- packet dropped!\n", device_xname(sc->cue_dev)); 662 return ENOBUFS; 663 } 664 665 MCLGET(m_new, M_DONTWAIT); 666 if (!(m_new->m_flags & M_EXT)) { 667 printf("%s: no memory for rx list " 668 "-- packet dropped!\n", device_xname(sc->cue_dev)); 669 m_freem(m_new); 670 return ENOBUFS; 671 } 672 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 673 } else { 674 m_new = m; 675 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 676 m_new->m_data = m_new->m_ext.ext_buf; 677 } 678 679 m_adj(m_new, ETHER_ALIGN); 680 c->cue_mbuf = m_new; 681 682 return 0; 683 } 684 685 Static int 686 cue_rx_list_init(struct cue_softc *sc) 687 { 688 struct cue_cdata *cd; 689 struct cue_chain *c; 690 int i; 691 692 cd = &sc->cue_cdata; 693 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 694 c = &cd->cue_rx_chain[i]; 695 c->cue_sc = sc; 696 c->cue_idx = i; 697 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 698 return ENOBUFS; 699 if (c->cue_xfer == NULL) { 700 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_RX], 701 CUE_BUFSZ, 0, 0, &c->cue_xfer); 702 if (error) 703 return error; 704 c->cue_buf = usbd_get_buffer(c->cue_xfer); 705 } 706 } 707 708 return 0; 709 } 710 #if 0 711 Static void 712 cue_rx_list_free(struct cue_softc *sc) 713 { 714 /* Free RX resources. */ 715 for (int i = 0; i < CUE_RX_LIST_CNT; i++) { 716 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 717 usbd_destroy_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 718 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 719 } 720 } 721 } 722 #endif 723 Static int 724 cue_tx_list_init(struct cue_softc *sc) 725 { 726 struct cue_cdata *cd; 727 struct cue_chain *c; 728 int i; 729 730 cd = &sc->cue_cdata; 731 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 732 c = &cd->cue_tx_chain[i]; 733 c->cue_sc = sc; 734 c->cue_idx = i; 735 c->cue_mbuf = NULL; 736 if (c->cue_xfer == NULL) { 737 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_TX], 738 CUE_BUFSZ, 0, 0, &c->cue_xfer); 739 if (error) 740 return error; 741 c->cue_buf = usbd_get_buffer(c->cue_xfer); 742 } 743 } 744 745 return 0; 746 } 747 748 Static void 749 cue_tx_list_free(struct cue_softc *sc) 750 { 751 /* Free TX resources. */ 752 for (int i = 0; i < CUE_TX_LIST_CNT; i++) { 753 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 754 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 755 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 756 } 757 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 758 usbd_destroy_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 759 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 760 } 761 } 762 } 763 764 /* 765 * A frame has been uploaded: pass the resulting mbuf chain up to 766 * the higher level protocols. 767 */ 768 Static void 769 cue_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 770 { 771 struct cue_chain *c = priv; 772 struct cue_softc *sc = c->cue_sc; 773 struct ifnet *ifp = GET_IFP(sc); 774 struct mbuf *m; 775 int total_len = 0; 776 uint16_t len; 777 int s; 778 779 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 780 __func__, status)); 781 782 if (sc->cue_dying) 783 return; 784 785 if (!(ifp->if_flags & IFF_RUNNING)) 786 return; 787 788 if (status != USBD_NORMAL_COMPLETION) { 789 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 790 return; 791 sc->cue_rx_errs++; 792 if (usbd_ratecheck(&sc->cue_rx_notice)) { 793 printf("%s: %u usb errors on rx: %s\n", 794 device_xname(sc->cue_dev), sc->cue_rx_errs, 795 usbd_errstr(status)); 796 sc->cue_rx_errs = 0; 797 } 798 if (status == USBD_STALLED) 799 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 800 goto done; 801 } 802 803 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 804 805 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 806 807 m = c->cue_mbuf; 808 len = UGETW(mtod(m, uint8_t *)); 809 810 /* No errors; receive the packet. */ 811 total_len = len; 812 813 if (len < sizeof(struct ether_header)) { 814 ifp->if_ierrors++; 815 goto done; 816 } 817 818 ifp->if_ipackets++; 819 m_adj(m, sizeof(uint16_t)); 820 m->m_pkthdr.len = m->m_len = total_len; 821 822 m->m_pkthdr.rcvif = ifp; 823 824 s = splnet(); 825 826 /* XXX ugly */ 827 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 828 ifp->if_ierrors++; 829 goto done1; 830 } 831 832 /* 833 * Handle BPF listeners. Let the BPF user see the packet, but 834 * don't pass it up to the ether_input() layer unless it's 835 * a broadcast packet, multicast packet, matches our ethernet 836 * address or the interface is in promiscuous mode. 837 */ 838 bpf_mtap(ifp, m); 839 840 DPRINTFN(10,("%s: %s: deliver %d\n", device_xname(sc->cue_dev), 841 __func__, m->m_len)); 842 (*(ifp)->if_input)((ifp), (m)); 843 done1: 844 splx(s); 845 846 done: 847 848 /* Setup new transfer. */ 849 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 850 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 851 usbd_transfer(c->cue_xfer); 852 853 DPRINTFN(10,("%s: %s: start rx\n", device_xname(sc->cue_dev), 854 __func__)); 855 } 856 857 /* 858 * A frame was downloaded to the chip. It's safe for us to clean up 859 * the list buffers. 860 */ 861 Static void 862 cue_txeof(struct usbd_xfer *xfer, void *priv, 863 usbd_status status) 864 { 865 struct cue_chain *c = priv; 866 struct cue_softc *sc = c->cue_sc; 867 struct ifnet *ifp = GET_IFP(sc); 868 int s; 869 870 if (sc->cue_dying) 871 return; 872 873 s = splnet(); 874 875 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 876 __func__, status)); 877 878 ifp->if_timer = 0; 879 ifp->if_flags &= ~IFF_OACTIVE; 880 881 if (status != USBD_NORMAL_COMPLETION) { 882 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 883 splx(s); 884 return; 885 } 886 ifp->if_oerrors++; 887 printf("%s: usb error on tx: %s\n", device_xname(sc->cue_dev), 888 usbd_errstr(status)); 889 if (status == USBD_STALLED) 890 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 891 splx(s); 892 return; 893 } 894 895 ifp->if_opackets++; 896 897 m_freem(c->cue_mbuf); 898 c->cue_mbuf = NULL; 899 900 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 901 cue_start(ifp); 902 903 splx(s); 904 } 905 906 Static void 907 cue_tick(void *xsc) 908 { 909 struct cue_softc *sc = xsc; 910 911 if (sc == NULL) 912 return; 913 914 if (sc->cue_dying) 915 return; 916 917 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 918 919 /* Perform statistics update in process context. */ 920 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 921 } 922 923 Static void 924 cue_tick_task(void *xsc) 925 { 926 struct cue_softc *sc = xsc; 927 struct ifnet *ifp; 928 929 if (sc->cue_dying) 930 return; 931 932 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 933 934 ifp = GET_IFP(sc); 935 936 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 937 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 938 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 939 940 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 941 ifp->if_ierrors++; 942 } 943 944 Static int 945 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 946 { 947 int total_len; 948 struct cue_chain *c; 949 usbd_status err; 950 951 c = &sc->cue_cdata.cue_tx_chain[idx]; 952 953 /* 954 * Copy the mbuf data into a contiguous buffer, leaving two 955 * bytes at the beginning to hold the frame length. 956 */ 957 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 958 c->cue_mbuf = m; 959 960 total_len = m->m_pkthdr.len + 2; 961 962 DPRINTFN(10,("%s: %s: total_len=%d\n", 963 device_xname(sc->cue_dev), __func__, total_len)); 964 965 /* The first two bytes are the frame length */ 966 c->cue_buf[0] = (uint8_t)m->m_pkthdr.len; 967 c->cue_buf[1] = (uint8_t)(m->m_pkthdr.len >> 8); 968 969 /* XXX 10000 */ 970 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, total_len, 0, 10000, 971 cue_txeof); 972 973 /* Transmit */ 974 err = usbd_transfer(c->cue_xfer); 975 if (err != USBD_IN_PROGRESS) { 976 printf("%s: cue_send error=%s\n", device_xname(sc->cue_dev), 977 usbd_errstr(err)); 978 /* Stop the interface from process context. */ 979 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 980 USB_TASKQ_DRIVER); 981 return EIO; 982 } 983 984 sc->cue_cdata.cue_tx_cnt++; 985 986 return 0; 987 } 988 989 Static void 990 cue_start(struct ifnet *ifp) 991 { 992 struct cue_softc *sc = ifp->if_softc; 993 994 mutex_enter(&sc->cue_txlock); 995 cue_start_locked(ifp); 996 mutex_exit(&sc->cue_txlock); 997 } 998 999 Static void 1000 cue_start_locked(struct ifnet *ifp) 1001 { 1002 struct cue_softc *sc = ifp->if_softc; 1003 struct mbuf *m_head = NULL; 1004 1005 if (sc->cue_dying) 1006 return; 1007 1008 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1009 1010 if (ifp->if_flags & IFF_OACTIVE) 1011 return; 1012 1013 IFQ_POLL(&ifp->if_snd, m_head); 1014 if (m_head == NULL) 1015 return; 1016 1017 if (cue_send(sc, m_head, 0)) { 1018 ifp->if_flags |= IFF_OACTIVE; 1019 return; 1020 } 1021 1022 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1023 1024 /* 1025 * If there's a BPF listener, bounce a copy of this frame 1026 * to him. 1027 */ 1028 bpf_mtap(ifp, m_head); 1029 1030 ifp->if_flags |= IFF_OACTIVE; 1031 1032 /* 1033 * Set a timeout in case the chip goes out to lunch. 1034 */ 1035 ifp->if_timer = 5; 1036 } 1037 1038 Static int 1039 cue_init(struct ifnet *ifp) 1040 { 1041 struct cue_softc *sc = ifp->if_softc; 1042 1043 mutex_enter(&sc->cue_lock); 1044 int ret = cue_init_locked(ifp); 1045 mutex_exit(&sc->cue_lock); 1046 1047 return ret; 1048 } 1049 1050 Static int 1051 cue_init_locked(struct ifnet *ifp) 1052 { 1053 struct cue_softc *sc = ifp->if_softc; 1054 int i, ctl, err = 0; 1055 const u_char *eaddr; 1056 1057 if (sc->cue_dying) 1058 return EIO; 1059 1060 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1061 1062 if (ifp->if_flags & IFF_RUNNING) 1063 return 0; 1064 1065 /* 1066 * Cancel pending I/O and free all RX/TX buffers. 1067 */ 1068 #if 1 1069 cue_reset(sc); 1070 #endif 1071 1072 /* Set advanced operation modes. */ 1073 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1074 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1075 1076 eaddr = CLLADDR(ifp->if_sadl); 1077 /* Set MAC address */ 1078 for (i = 0; i < ETHER_ADDR_LEN; i++) 1079 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1080 1081 /* Enable RX logic. */ 1082 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1083 if (ifp->if_flags & IFF_PROMISC) 1084 ctl |= CUE_ETHCTL_PROMISC; 1085 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1086 1087 /* Load the multicast filter. */ 1088 cue_setmulti(sc); 1089 1090 /* 1091 * Set the number of RX and TX buffers that we want 1092 * to reserve inside the ASIC. 1093 */ 1094 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1095 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1096 1097 /* Set advanced operation modes. */ 1098 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1099 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1100 1101 /* Program the LED operation. */ 1102 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1103 1104 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1105 /* Open RX and TX pipes. */ 1106 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1107 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1108 if (err) { 1109 printf("%s: open rx pipe failed: %s\n", 1110 device_xname(sc->cue_dev), usbd_errstr(err)); 1111 goto fail; 1112 } 1113 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1114 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1115 if (err) { 1116 printf("%s: open tx pipe failed: %s\n", 1117 device_xname(sc->cue_dev), usbd_errstr(err)); 1118 goto fail1; 1119 } 1120 } 1121 /* Init TX ring. */ 1122 if (cue_tx_list_init(sc)) { 1123 printf("%s: tx list init failed\n", device_xname(sc->cue_dev)); 1124 goto fail2; 1125 } 1126 1127 /* Init RX ring. */ 1128 if (cue_rx_list_init(sc)) { 1129 printf("%s: rx list init failed\n", device_xname(sc->cue_dev)); 1130 goto fail3; 1131 } 1132 1133 /* Start up the receive pipe. */ 1134 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1135 struct cue_chain *c = &sc->cue_cdata.cue_rx_chain[i]; 1136 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 1137 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 1138 usbd_transfer(c->cue_xfer); 1139 } 1140 1141 ifp->if_flags |= IFF_RUNNING; 1142 ifp->if_flags &= ~IFF_OACTIVE; 1143 1144 callout_reset(&(sc->cue_stat_ch), (hz), (cue_tick), (sc)); 1145 1146 return 0; 1147 1148 fail3: 1149 cue_tx_list_free(sc); 1150 fail2: 1151 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1152 fail1: 1153 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1154 fail: 1155 return EIO; 1156 } 1157 1158 Static int 1159 cue_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1160 { 1161 struct cue_softc *sc = ifp->if_softc; 1162 int s, error = 0; 1163 1164 if (sc->cue_dying) 1165 return EIO; 1166 1167 s = splnet(); 1168 error = ether_ioctl(ifp, cmd, data); 1169 splx(s); 1170 1171 if (error == ENETRESET) { 1172 error = 0; 1173 if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) { 1174 mutex_enter(&sc->cue_lock); 1175 cue_setmulti(sc); 1176 mutex_exit(&sc->cue_lock); 1177 } 1178 } 1179 return error; 1180 } 1181 1182 Static int 1183 cue_ifflags_cb(struct ethercom *ec) 1184 { 1185 struct ifnet *ifp = &ec->ec_if; 1186 struct cue_softc *sc = ifp->if_softc; 1187 int rc = 0; 1188 1189 mutex_enter(&sc->cue_lock); 1190 1191 int change = ifp->if_flags ^ sc->cue_if_flags; 1192 sc->cue_if_flags = ifp->if_flags; 1193 1194 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 1195 rc = ENETRESET; 1196 goto out; 1197 } 1198 1199 if ((change & IFF_PROMISC) != 0) { 1200 if (ifp->if_flags & IFF_PROMISC) { 1201 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1202 } else if (!(ifp->if_flags & IFF_PROMISC)) { 1203 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1204 } 1205 cue_setmulti(sc); 1206 } 1207 1208 out: 1209 mutex_exit(&sc->cue_lock); 1210 1211 return rc; 1212 } 1213 1214 Static void 1215 cue_watchdog(struct ifnet *ifp) 1216 { 1217 struct cue_softc *sc = ifp->if_softc; 1218 struct cue_chain *c; 1219 usbd_status stat; 1220 int s; 1221 1222 DPRINTFN(5,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 1223 1224 if (sc->cue_dying) 1225 return; 1226 1227 ifp->if_oerrors++; 1228 printf("%s: watchdog timeout\n", device_xname(sc->cue_dev)); 1229 1230 s = splusb(); 1231 c = &sc->cue_cdata.cue_tx_chain[0]; 1232 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1233 cue_txeof(c->cue_xfer, c, stat); 1234 1235 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1236 cue_start(ifp); 1237 splx(s); 1238 } 1239 1240 /* 1241 * Stop the adapter and free any mbufs allocated to the 1242 * RX and TX lists. 1243 */ 1244 Static void 1245 cue_stop(struct cue_softc *sc) 1246 { 1247 mutex_enter(&sc->cue_lock); 1248 cue_stop_locked(sc); 1249 mutex_exit(&sc->cue_lock); 1250 } 1251 1252 Static void 1253 cue_stop_locked(struct cue_softc *sc) 1254 { 1255 usbd_status err; 1256 struct ifnet *ifp; 1257 1258 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1259 1260 ifp = GET_IFP(sc); 1261 ifp->if_timer = 0; 1262 1263 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1264 cue_reset(sc); 1265 callout_stop(&sc->cue_stat_ch); 1266 1267 /* Stop transfers. */ 1268 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1269 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1270 if (err) { 1271 printf("%s: abort rx pipe failed: %s\n", 1272 device_xname(sc->cue_dev), usbd_errstr(err)); 1273 } 1274 } 1275 1276 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1277 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1278 if (err) { 1279 printf("%s: abort tx pipe failed: %s\n", 1280 device_xname(sc->cue_dev), usbd_errstr(err)); 1281 } 1282 } 1283 1284 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1285 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1286 if (err) { 1287 printf("%s: abort intr pipe failed: %s\n", 1288 device_xname(sc->cue_dev), usbd_errstr(err)); 1289 } 1290 } 1291 1292 /* Stop transfers. */ 1293 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1294 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1295 if (err) { 1296 printf("%s: close rx pipe failed: %s\n", 1297 device_xname(sc->cue_dev), usbd_errstr(err)); 1298 } 1299 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1300 } 1301 1302 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1303 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1304 if (err) { 1305 printf("%s: close tx pipe failed: %s\n", 1306 device_xname(sc->cue_dev), usbd_errstr(err)); 1307 } 1308 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1309 } 1310 1311 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1312 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1313 if (err) { 1314 printf("%s: close intr pipe failed: %s\n", 1315 device_xname(sc->cue_dev), usbd_errstr(err)); 1316 } 1317 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1318 } 1319 1320 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1321 } 1322
Indexes created Fri Oct 03 02:09:57 GMT 2025