if_cue.c revision 1.68.2.1
1 /* $NetBSD: if_cue.c,v 1.68.2.1 2017/04/05 19:54:19 snj 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 1.68.2.1 2017/04/05 19:54:19 snj 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 callout_stop(&sc->cue_stat_ch); 585 /* 586 * Remove any pending task. It cannot be executing because it run 587 * in the same thread as detach. 588 */ 589 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 590 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 591 592 if (!sc->cue_attached) { 593 /* Detached before attached finished, so just bail out. */ 594 return 0; 595 } 596 597 s = splusb(); 598 599 if (ifp->if_flags & IFF_RUNNING) 600 cue_stop(sc); 601 602 rnd_detach_source(&sc->rnd_source); 603 ether_ifdetach(ifp); 604 605 if_detach(ifp); 606 607 #ifdef DIAGNOSTIC 608 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 609 sc->cue_ep[CUE_ENDPT_RX] != NULL || 610 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 611 aprint_debug_dev(self, "detach has active endpoints\n"); 612 #endif 613 614 mutex_destroy(&sc->cue_rxlock); 615 mutex_destroy(&sc->cue_txlock); 616 mutex_destroy(&sc->cue_lock); 617 618 sc->cue_attached = 0; 619 splx(s); 620 621 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, sc->cue_dev); 622 623 return 0; 624 } 625 626 int 627 cue_activate(device_t self, enum devact act) 628 { 629 struct cue_softc *sc = device_private(self); 630 631 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 632 633 switch (act) { 634 case DVACT_DEACTIVATE: 635 /* Deactivate the interface. */ 636 if_deactivate(&sc->cue_ec.ec_if); 637 sc->cue_dying = 1; 638 return 0; 639 default: 640 return EOPNOTSUPP; 641 } 642 } 643 644 /* 645 * Initialize an RX descriptor and attach an MBUF cluster. 646 */ 647 Static int 648 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 649 { 650 struct mbuf *m_new = NULL; 651 652 if (m == NULL) { 653 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 654 if (m_new == NULL) { 655 printf("%s: no memory for rx list " 656 "-- packet dropped!\n", device_xname(sc->cue_dev)); 657 return ENOBUFS; 658 } 659 660 MCLGET(m_new, M_DONTWAIT); 661 if (!(m_new->m_flags & M_EXT)) { 662 printf("%s: no memory for rx list " 663 "-- packet dropped!\n", device_xname(sc->cue_dev)); 664 m_freem(m_new); 665 return ENOBUFS; 666 } 667 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 668 } else { 669 m_new = m; 670 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 671 m_new->m_data = m_new->m_ext.ext_buf; 672 } 673 674 m_adj(m_new, ETHER_ALIGN); 675 c->cue_mbuf = m_new; 676 677 return 0; 678 } 679 680 Static int 681 cue_rx_list_init(struct cue_softc *sc) 682 { 683 struct cue_cdata *cd; 684 struct cue_chain *c; 685 int i; 686 687 cd = &sc->cue_cdata; 688 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 689 c = &cd->cue_rx_chain[i]; 690 c->cue_sc = sc; 691 c->cue_idx = i; 692 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 693 return ENOBUFS; 694 if (c->cue_xfer == NULL) { 695 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_RX], 696 CUE_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->cue_xfer); 697 if (error) 698 return error; 699 c->cue_buf = usbd_get_buffer(c->cue_xfer); 700 } 701 } 702 703 return 0; 704 } 705 #if 0 706 Static void 707 cue_rx_list_free(struct cue_softc *sc) 708 { 709 /* Free RX resources. */ 710 for (int i = 0; i < CUE_RX_LIST_CNT; i++) { 711 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 712 usbd_destroy_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 713 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 714 } 715 } 716 } 717 #endif 718 Static int 719 cue_tx_list_init(struct cue_softc *sc) 720 { 721 struct cue_cdata *cd; 722 struct cue_chain *c; 723 int i; 724 725 cd = &sc->cue_cdata; 726 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 727 c = &cd->cue_tx_chain[i]; 728 c->cue_sc = sc; 729 c->cue_idx = i; 730 c->cue_mbuf = NULL; 731 if (c->cue_xfer == NULL) { 732 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_TX], 733 CUE_BUFSZ, 0, 0, &c->cue_xfer); 734 if (error) 735 return error; 736 c->cue_buf = usbd_get_buffer(c->cue_xfer); 737 } 738 } 739 740 return 0; 741 } 742 743 Static void 744 cue_tx_list_free(struct cue_softc *sc) 745 { 746 /* Free TX resources. */ 747 for (int i = 0; i < CUE_TX_LIST_CNT; i++) { 748 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 749 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 750 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 751 } 752 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 753 usbd_destroy_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 754 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 755 } 756 } 757 } 758 759 /* 760 * A frame has been uploaded: pass the resulting mbuf chain up to 761 * the higher level protocols. 762 */ 763 Static void 764 cue_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 765 { 766 struct cue_chain *c = priv; 767 struct cue_softc *sc = c->cue_sc; 768 struct ifnet *ifp = GET_IFP(sc); 769 struct mbuf *m; 770 int total_len = 0; 771 uint16_t len; 772 int s; 773 774 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 775 __func__, status)); 776 777 if (sc->cue_dying) 778 return; 779 780 if (!(ifp->if_flags & IFF_RUNNING)) 781 return; 782 783 if (status != USBD_NORMAL_COMPLETION) { 784 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 785 return; 786 sc->cue_rx_errs++; 787 if (usbd_ratecheck(&sc->cue_rx_notice)) { 788 printf("%s: %u usb errors on rx: %s\n", 789 device_xname(sc->cue_dev), sc->cue_rx_errs, 790 usbd_errstr(status)); 791 sc->cue_rx_errs = 0; 792 } 793 if (status == USBD_STALLED) 794 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 795 goto done; 796 } 797 798 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 799 800 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 801 802 m = c->cue_mbuf; 803 len = UGETW(mtod(m, uint8_t *)); 804 805 /* No errors; receive the packet. */ 806 total_len = len; 807 808 if (len < sizeof(struct ether_header)) { 809 ifp->if_ierrors++; 810 goto done; 811 } 812 813 ifp->if_ipackets++; 814 m_adj(m, sizeof(uint16_t)); 815 m->m_pkthdr.len = m->m_len = total_len; 816 817 m->m_pkthdr.rcvif = ifp; 818 819 s = splnet(); 820 821 /* XXX ugly */ 822 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 823 ifp->if_ierrors++; 824 goto done1; 825 } 826 827 /* 828 * Handle BPF listeners. Let the BPF user see the packet, but 829 * don't pass it up to the ether_input() layer unless it's 830 * a broadcast packet, multicast packet, matches our ethernet 831 * address or the interface is in promiscuous mode. 832 */ 833 bpf_mtap(ifp, m); 834 835 DPRINTFN(10,("%s: %s: deliver %d\n", device_xname(sc->cue_dev), 836 __func__, m->m_len)); 837 (*(ifp)->if_input)((ifp), (m)); 838 done1: 839 splx(s); 840 841 done: 842 843 /* Setup new transfer. */ 844 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 845 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 846 usbd_transfer(c->cue_xfer); 847 848 DPRINTFN(10,("%s: %s: start rx\n", device_xname(sc->cue_dev), 849 __func__)); 850 } 851 852 /* 853 * A frame was downloaded to the chip. It's safe for us to clean up 854 * the list buffers. 855 */ 856 Static void 857 cue_txeof(struct usbd_xfer *xfer, void *priv, 858 usbd_status status) 859 { 860 struct cue_chain *c = priv; 861 struct cue_softc *sc = c->cue_sc; 862 struct ifnet *ifp = GET_IFP(sc); 863 int s; 864 865 if (sc->cue_dying) 866 return; 867 868 s = splnet(); 869 870 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 871 __func__, status)); 872 873 ifp->if_timer = 0; 874 ifp->if_flags &= ~IFF_OACTIVE; 875 876 if (status != USBD_NORMAL_COMPLETION) { 877 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 878 splx(s); 879 return; 880 } 881 ifp->if_oerrors++; 882 printf("%s: usb error on tx: %s\n", device_xname(sc->cue_dev), 883 usbd_errstr(status)); 884 if (status == USBD_STALLED) 885 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 886 splx(s); 887 return; 888 } 889 890 ifp->if_opackets++; 891 892 m_freem(c->cue_mbuf); 893 c->cue_mbuf = NULL; 894 895 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 896 cue_start(ifp); 897 898 splx(s); 899 } 900 901 Static void 902 cue_tick(void *xsc) 903 { 904 struct cue_softc *sc = xsc; 905 906 if (sc == NULL) 907 return; 908 909 if (sc->cue_dying) 910 return; 911 912 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 913 914 /* Perform statistics update in process context. */ 915 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 916 } 917 918 Static void 919 cue_tick_task(void *xsc) 920 { 921 struct cue_softc *sc = xsc; 922 struct ifnet *ifp; 923 924 if (sc->cue_dying) 925 return; 926 927 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 928 929 ifp = GET_IFP(sc); 930 931 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 932 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 933 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 934 935 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 936 ifp->if_ierrors++; 937 } 938 939 Static int 940 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 941 { 942 int total_len; 943 struct cue_chain *c; 944 usbd_status err; 945 946 c = &sc->cue_cdata.cue_tx_chain[idx]; 947 948 /* 949 * Copy the mbuf data into a contiguous buffer, leaving two 950 * bytes at the beginning to hold the frame length. 951 */ 952 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 953 c->cue_mbuf = m; 954 955 total_len = m->m_pkthdr.len + 2; 956 957 DPRINTFN(10,("%s: %s: total_len=%d\n", 958 device_xname(sc->cue_dev), __func__, total_len)); 959 960 /* The first two bytes are the frame length */ 961 c->cue_buf[0] = (uint8_t)m->m_pkthdr.len; 962 c->cue_buf[1] = (uint8_t)(m->m_pkthdr.len >> 8); 963 964 /* XXX 10000 */ 965 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, total_len, 0, 10000, 966 cue_txeof); 967 968 /* Transmit */ 969 err = usbd_transfer(c->cue_xfer); 970 if (err != USBD_IN_PROGRESS) { 971 printf("%s: cue_send error=%s\n", device_xname(sc->cue_dev), 972 usbd_errstr(err)); 973 /* Stop the interface from process context. */ 974 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 975 USB_TASKQ_DRIVER); 976 return EIO; 977 } 978 979 sc->cue_cdata.cue_tx_cnt++; 980 981 return 0; 982 } 983 984 Static void 985 cue_start(struct ifnet *ifp) 986 { 987 struct cue_softc *sc = ifp->if_softc; 988 989 mutex_enter(&sc->cue_txlock); 990 cue_start_locked(ifp); 991 mutex_exit(&sc->cue_txlock); 992 } 993 994 Static void 995 cue_start_locked(struct ifnet *ifp) 996 { 997 struct cue_softc *sc = ifp->if_softc; 998 struct mbuf *m_head = NULL; 999 1000 if (sc->cue_dying) 1001 return; 1002 1003 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1004 1005 if (ifp->if_flags & IFF_OACTIVE) 1006 return; 1007 1008 IFQ_POLL(&ifp->if_snd, m_head); 1009 if (m_head == NULL) 1010 return; 1011 1012 if (cue_send(sc, m_head, 0)) { 1013 ifp->if_flags |= IFF_OACTIVE; 1014 return; 1015 } 1016 1017 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1018 1019 /* 1020 * If there's a BPF listener, bounce a copy of this frame 1021 * to him. 1022 */ 1023 bpf_mtap(ifp, m_head); 1024 1025 ifp->if_flags |= IFF_OACTIVE; 1026 1027 /* 1028 * Set a timeout in case the chip goes out to lunch. 1029 */ 1030 ifp->if_timer = 5; 1031 } 1032 1033 Static int 1034 cue_init(struct ifnet *ifp) 1035 { 1036 struct cue_softc *sc = ifp->if_softc; 1037 1038 mutex_enter(&sc->cue_lock); 1039 int ret = cue_init_locked(ifp); 1040 mutex_exit(&sc->cue_lock); 1041 1042 return ret; 1043 } 1044 1045 Static int 1046 cue_init_locked(struct ifnet *ifp) 1047 { 1048 struct cue_softc *sc = ifp->if_softc; 1049 int i, ctl, err = 0; 1050 const u_char *eaddr; 1051 1052 if (sc->cue_dying) 1053 return EIO; 1054 1055 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1056 1057 if (ifp->if_flags & IFF_RUNNING) 1058 return 0; 1059 1060 /* 1061 * Cancel pending I/O and free all RX/TX buffers. 1062 */ 1063 #if 1 1064 cue_reset(sc); 1065 #endif 1066 1067 /* Set advanced operation modes. */ 1068 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1069 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1070 1071 eaddr = CLLADDR(ifp->if_sadl); 1072 /* Set MAC address */ 1073 for (i = 0; i < ETHER_ADDR_LEN; i++) 1074 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1075 1076 /* Enable RX logic. */ 1077 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1078 if (ifp->if_flags & IFF_PROMISC) 1079 ctl |= CUE_ETHCTL_PROMISC; 1080 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1081 1082 /* Load the multicast filter. */ 1083 cue_setmulti(sc); 1084 1085 /* 1086 * Set the number of RX and TX buffers that we want 1087 * to reserve inside the ASIC. 1088 */ 1089 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1090 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1091 1092 /* Set advanced operation modes. */ 1093 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1094 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1095 1096 /* Program the LED operation. */ 1097 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1098 1099 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1100 /* Open RX and TX pipes. */ 1101 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1102 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1103 if (err) { 1104 printf("%s: open rx pipe failed: %s\n", 1105 device_xname(sc->cue_dev), usbd_errstr(err)); 1106 goto fail; 1107 } 1108 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1109 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1110 if (err) { 1111 printf("%s: open tx pipe failed: %s\n", 1112 device_xname(sc->cue_dev), usbd_errstr(err)); 1113 goto fail1; 1114 } 1115 } 1116 /* Init TX ring. */ 1117 if (cue_tx_list_init(sc)) { 1118 printf("%s: tx list init failed\n", device_xname(sc->cue_dev)); 1119 goto fail2; 1120 } 1121 1122 /* Init RX ring. */ 1123 if (cue_rx_list_init(sc)) { 1124 printf("%s: rx list init failed\n", device_xname(sc->cue_dev)); 1125 goto fail3; 1126 } 1127 1128 /* Start up the receive pipe. */ 1129 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1130 struct cue_chain *c = &sc->cue_cdata.cue_rx_chain[i]; 1131 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 1132 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 1133 usbd_transfer(c->cue_xfer); 1134 } 1135 1136 ifp->if_flags |= IFF_RUNNING; 1137 ifp->if_flags &= ~IFF_OACTIVE; 1138 1139 callout_reset(&(sc->cue_stat_ch), (hz), (cue_tick), (sc)); 1140 1141 return 0; 1142 1143 fail3: 1144 cue_tx_list_free(sc); 1145 fail2: 1146 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1147 fail1: 1148 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1149 fail: 1150 return EIO; 1151 } 1152 1153 Static int 1154 cue_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1155 { 1156 struct cue_softc *sc = ifp->if_softc; 1157 int s, error = 0; 1158 1159 if (sc->cue_dying) 1160 return EIO; 1161 1162 s = splnet(); 1163 error = ether_ioctl(ifp, cmd, data); 1164 splx(s); 1165 1166 if (error == ENETRESET) { 1167 error = 0; 1168 if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) { 1169 mutex_enter(&sc->cue_lock); 1170 cue_setmulti(sc); 1171 mutex_exit(&sc->cue_lock); 1172 } 1173 } 1174 return error; 1175 } 1176 1177 Static int 1178 cue_ifflags_cb(struct ethercom *ec) 1179 { 1180 struct ifnet *ifp = &ec->ec_if; 1181 struct cue_softc *sc = ifp->if_softc; 1182 int rc = 0; 1183 1184 mutex_enter(&sc->cue_lock); 1185 1186 int change = ifp->if_flags ^ sc->cue_if_flags; 1187 sc->cue_if_flags = ifp->if_flags; 1188 1189 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 1190 rc = ENETRESET; 1191 goto out; 1192 } 1193 1194 if ((change & IFF_PROMISC) != 0) { 1195 if (ifp->if_flags & IFF_PROMISC) { 1196 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1197 } else if (!(ifp->if_flags & IFF_PROMISC)) { 1198 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1199 } 1200 cue_setmulti(sc); 1201 } 1202 1203 out: 1204 mutex_exit(&sc->cue_lock); 1205 1206 return rc; 1207 } 1208 1209 Static void 1210 cue_watchdog(struct ifnet *ifp) 1211 { 1212 struct cue_softc *sc = ifp->if_softc; 1213 struct cue_chain *c; 1214 usbd_status stat; 1215 int s; 1216 1217 DPRINTFN(5,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 1218 1219 if (sc->cue_dying) 1220 return; 1221 1222 ifp->if_oerrors++; 1223 printf("%s: watchdog timeout\n", device_xname(sc->cue_dev)); 1224 1225 s = splusb(); 1226 c = &sc->cue_cdata.cue_tx_chain[0]; 1227 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1228 cue_txeof(c->cue_xfer, c, stat); 1229 1230 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1231 cue_start(ifp); 1232 splx(s); 1233 } 1234 1235 /* 1236 * Stop the adapter and free any mbufs allocated to the 1237 * RX and TX lists. 1238 */ 1239 Static void 1240 cue_stop(struct cue_softc *sc) 1241 { 1242 mutex_enter(&sc->cue_lock); 1243 cue_stop_locked(sc); 1244 mutex_exit(&sc->cue_lock); 1245 } 1246 1247 Static void 1248 cue_stop_locked(struct cue_softc *sc) 1249 { 1250 usbd_status err; 1251 struct ifnet *ifp; 1252 1253 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1254 1255 ifp = GET_IFP(sc); 1256 ifp->if_timer = 0; 1257 1258 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1259 cue_reset(sc); 1260 callout_stop(&sc->cue_stat_ch); 1261 1262 /* Stop transfers. */ 1263 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1264 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1265 if (err) { 1266 printf("%s: abort rx pipe failed: %s\n", 1267 device_xname(sc->cue_dev), usbd_errstr(err)); 1268 } 1269 } 1270 1271 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1272 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1273 if (err) { 1274 printf("%s: abort tx pipe failed: %s\n", 1275 device_xname(sc->cue_dev), usbd_errstr(err)); 1276 } 1277 } 1278 1279 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1280 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1281 if (err) { 1282 printf("%s: abort intr pipe failed: %s\n", 1283 device_xname(sc->cue_dev), usbd_errstr(err)); 1284 } 1285 } 1286 1287 /* Stop transfers. */ 1288 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1289 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1290 if (err) { 1291 printf("%s: close rx pipe failed: %s\n", 1292 device_xname(sc->cue_dev), usbd_errstr(err)); 1293 } 1294 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1295 } 1296 1297 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1298 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1299 if (err) { 1300 printf("%s: close tx pipe failed: %s\n", 1301 device_xname(sc->cue_dev), usbd_errstr(err)); 1302 } 1303 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1304 } 1305 1306 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1307 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1308 if (err) { 1309 printf("%s: close intr pipe failed: %s\n", 1310 device_xname(sc->cue_dev), usbd_errstr(err)); 1311 } 1312 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1313 } 1314 1315 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1316 } 1317
Indexes created Fri Oct 03 02:09:57 GMT 2025