if_cue.c revision 1.68.4.13
1 /* $NetBSD: if_cue.c,v 1.68.4.13 2016/12/12 13:15:39 skrll 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 1.68.4.13 2016/12/12 13:15:39 skrll 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 76 #include <net/if.h> 77 #include <net/if_arp.h> 78 #include <net/if_dl.h> 79 #include <net/bpf.h> 80 #include <net/if_ether.h> 81 82 #ifdef INET 83 #include <netinet/in.h> 84 #include <netinet/if_inarp.h> 85 #endif 86 87 #include <dev/usb/usb.h> 88 #include <dev/usb/usbdi.h> 89 #include <dev/usb/usbdi_util.h> 90 #include <dev/usb/usbdivar.h> 91 #include <dev/usb/usbdevs.h> 92 93 #include <dev/usb/if_cuereg.h> 94 95 #ifdef CUE_DEBUG 96 #define DPRINTF(x) if (cuedebug) printf x 97 #define DPRINTFN(n,x) if (cuedebug >= (n)) printf x 98 int cuedebug = 0; 99 #else 100 #define DPRINTF(x) 101 #define DPRINTFN(n,x) 102 #endif 103 104 /* 105 * Various supported device vendors/products. 106 */ 107 Static struct usb_devno cue_devs[] = { 108 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 109 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 110 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 111 /* Belkin F5U111 adapter covered by NETMATE entry */ 112 }; 113 #define cue_lookup(v, p) (usb_lookup(cue_devs, v, p)) 114 115 int cue_match(device_t, cfdata_t, void *); 116 void cue_attach(device_t, device_t, void *); 117 int cue_detach(device_t, int); 118 int cue_activate(device_t, enum devact); 119 extern struct cfdriver cue_cd; 120 CFATTACH_DECL_NEW(cue, sizeof(struct cue_softc), cue_match, cue_attach, 121 cue_detach, cue_activate); 122 123 Static int cue_tx_list_init(struct cue_softc *); 124 Static void cue_tx_list_free(struct cue_softc *); 125 Static int cue_rx_list_init(struct cue_softc *); 126 #if 0 127 Static void cue_rx_list_free(struct cue_softc *); 128 #endif 129 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 130 Static int cue_send(struct cue_softc *, struct mbuf *, int); 131 Static void cue_rxeof(struct usbd_xfer *, void *, usbd_status); 132 Static void cue_txeof(struct usbd_xfer *, void *, usbd_status); 133 Static void cue_tick(void *); 134 Static void cue_tick_task(void *); 135 Static void cue_start(struct ifnet *); 136 Static void cue_start_locked(struct ifnet *); 137 Static int cue_ioctl(struct ifnet *, u_long, void *); 138 Static int cue_ifflags_cb(struct ethercom *); 139 Static int cue_init(struct ifnet *); 140 Static int cue_init_locked(struct ifnet *); 141 Static void cue_stop(struct cue_softc *); 142 Static void cue_stop_locked(struct cue_softc *); 143 Static void cue_watchdog(struct ifnet *); 144 145 Static void cue_setmulti(struct cue_softc *); 146 Static uint32_t cue_crc(const char *); 147 Static void cue_reset(struct cue_softc *); 148 149 Static int cue_csr_read_1(struct cue_softc *, int); 150 Static int cue_csr_write_1(struct cue_softc *, int, int); 151 Static int cue_csr_read_2(struct cue_softc *, int); 152 #if 0 153 Static int cue_csr_write_2(struct cue_softc *, int, int); 154 #endif 155 Static int cue_mem(struct cue_softc *, int, int, void *, int); 156 Static int cue_getmac(struct cue_softc *, void *); 157 158 #define CUE_SETBIT(sc, reg, x) \ 159 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 160 161 #define CUE_CLRBIT(sc, reg, x) \ 162 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 163 164 Static int 165 cue_csr_read_1(struct cue_softc *sc, int reg) 166 { 167 usb_device_request_t req; 168 usbd_status err; 169 uint8_t val = 0; 170 171 if (sc->cue_dying) 172 return 0; 173 174 req.bmRequestType = UT_READ_VENDOR_DEVICE; 175 req.bRequest = CUE_CMD_READREG; 176 USETW(req.wValue, 0); 177 USETW(req.wIndex, reg); 178 USETW(req.wLength, 1); 179 180 err = usbd_do_request(sc->cue_udev, &req, &val); 181 182 if (err) { 183 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 184 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 185 return 0; 186 } 187 188 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 189 device_xname(sc->cue_dev), reg, val)); 190 191 return val; 192 } 193 194 Static int 195 cue_csr_read_2(struct cue_softc *sc, int reg) 196 { 197 usb_device_request_t req; 198 usbd_status err; 199 uWord val; 200 201 if (sc->cue_dying) 202 return 0; 203 204 req.bmRequestType = UT_READ_VENDOR_DEVICE; 205 req.bRequest = CUE_CMD_READREG; 206 USETW(req.wValue, 0); 207 USETW(req.wIndex, reg); 208 USETW(req.wLength, 2); 209 210 err = usbd_do_request(sc->cue_udev, &req, &val); 211 212 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 213 device_xname(sc->cue_dev), reg, UGETW(val))); 214 215 if (err) { 216 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 217 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 218 return 0; 219 } 220 221 return UGETW(val); 222 } 223 224 Static int 225 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 226 { 227 usb_device_request_t req; 228 usbd_status err; 229 230 if (sc->cue_dying) 231 return 0; 232 233 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 234 device_xname(sc->cue_dev), reg, val)); 235 236 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 237 req.bRequest = CUE_CMD_WRITEREG; 238 USETW(req.wValue, val); 239 USETW(req.wIndex, reg); 240 USETW(req.wLength, 0); 241 242 err = usbd_do_request(sc->cue_udev, &req, NULL); 243 244 if (err) { 245 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 246 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 247 return -1; 248 } 249 250 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 251 device_xname(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 252 253 return 0; 254 } 255 256 #if 0 257 Static int 258 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 259 { 260 usb_device_request_t req; 261 usbd_status err; 262 uWord val; 263 int s; 264 265 if (sc->cue_dying) 266 return 0; 267 268 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 269 device_xname(sc->cue_dev), reg, aval)); 270 271 USETW(val, aval); 272 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 273 req.bRequest = CUE_CMD_WRITEREG; 274 USETW(req.wValue, val); 275 USETW(req.wIndex, reg); 276 USETW(req.wLength, 0); 277 278 err = usbd_do_request(sc->cue_udev, &req, NULL); 279 280 if (err) { 281 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 282 device_xname(sc->cue_dev), reg, usbd_errstr(err))); 283 return -1; 284 } 285 286 return 0; 287 } 288 #endif 289 290 Static int 291 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 292 { 293 usb_device_request_t req; 294 usbd_status err; 295 296 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 297 device_xname(sc->cue_dev), cmd, addr, len)); 298 299 if (cmd == CUE_CMD_READSRAM) 300 req.bmRequestType = UT_READ_VENDOR_DEVICE; 301 else 302 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 303 req.bRequest = cmd; 304 USETW(req.wValue, 0); 305 USETW(req.wIndex, addr); 306 USETW(req.wLength, len); 307 308 err = usbd_do_request(sc->cue_udev, &req, buf); 309 310 if (err) { 311 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 312 device_xname(sc->cue_dev), addr, usbd_errstr(err))); 313 return -1; 314 } 315 316 return 0; 317 } 318 319 Static int 320 cue_getmac(struct cue_softc *sc, void *buf) 321 { 322 usb_device_request_t req; 323 usbd_status err; 324 325 DPRINTFN(10,("%s: cue_getmac\n", device_xname(sc->cue_dev))); 326 327 req.bmRequestType = UT_READ_VENDOR_DEVICE; 328 req.bRequest = CUE_CMD_GET_MACADDR; 329 USETW(req.wValue, 0); 330 USETW(req.wIndex, 0); 331 USETW(req.wLength, ETHER_ADDR_LEN); 332 333 err = usbd_do_request(sc->cue_udev, &req, buf); 334 335 if (err) { 336 printf("%s: read MAC address failed\n", 337 device_xname(sc->cue_dev)); 338 return -1; 339 } 340 341 return 0; 342 } 343 344 #define CUE_POLY 0xEDB88320 345 #define CUE_BITS 9 346 347 Static uint32_t 348 cue_crc(const char *addr) 349 { 350 uint32_t idx, bit, data, crc; 351 352 /* Compute CRC for the address value. */ 353 crc = 0xFFFFFFFF; /* initial value */ 354 355 for (idx = 0; idx < 6; idx++) { 356 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 357 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 358 } 359 360 return crc & ((1 << CUE_BITS) - 1); 361 } 362 363 Static void 364 cue_setmulti(struct cue_softc *sc) 365 { 366 struct ifnet *ifp; 367 struct ether_multi *enm; 368 struct ether_multistep step; 369 uint32_t h, i; 370 371 ifp = GET_IFP(sc); 372 373 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 374 device_xname(sc->cue_dev), ifp->if_flags)); 375 376 if (ifp->if_flags & IFF_PROMISC) { 377 allmulti: 378 ifp->if_flags |= IFF_ALLMULTI; 379 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 380 sc->cue_mctab[i] = 0xFF; 381 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 382 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 383 return; 384 } 385 386 /* first, zot all the existing hash bits */ 387 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 388 sc->cue_mctab[i] = 0; 389 390 /* now program new ones */ 391 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 392 while (enm != NULL) { 393 if (memcmp(enm->enm_addrlo, 394 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 395 goto allmulti; 396 397 h = cue_crc(enm->enm_addrlo); 398 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 399 ETHER_NEXT_MULTI(step, enm); 400 } 401 402 ifp->if_flags &= ~IFF_ALLMULTI; 403 404 /* 405 * Also include the broadcast address in the filter 406 * so we can receive broadcast frames. 407 */ 408 if (ifp->if_flags & IFF_BROADCAST) { 409 h = cue_crc(etherbroadcastaddr); 410 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 411 } 412 413 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 414 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 415 } 416 417 Static void 418 cue_reset(struct cue_softc *sc) 419 { 420 usb_device_request_t req; 421 usbd_status err; 422 423 DPRINTFN(2,("%s: cue_reset\n", device_xname(sc->cue_dev))); 424 425 if (sc->cue_dying) 426 return; 427 428 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 429 req.bRequest = CUE_CMD_RESET; 430 USETW(req.wValue, 0); 431 USETW(req.wIndex, 0); 432 USETW(req.wLength, 0); 433 434 err = usbd_do_request(sc->cue_udev, &req, NULL); 435 436 if (err) 437 printf("%s: reset failed\n", device_xname(sc->cue_dev)); 438 439 /* Wait a little while for the chip to get its brains in order. */ 440 usbd_delay_ms(sc->cue_udev, 1); 441 } 442 443 /* 444 * Probe for a CATC chip. 445 */ 446 int 447 cue_match(device_t parent, cfdata_t match, void *aux) 448 { 449 struct usb_attach_arg *uaa = aux; 450 451 return cue_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? 452 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 453 } 454 455 /* 456 * Attach the interface. Allocate softc structures, do ifmedia 457 * setup and ethernet/BPF attach. 458 */ 459 void 460 cue_attach(device_t parent, device_t self, void *aux) 461 { 462 struct cue_softc *sc = device_private(self); 463 struct usb_attach_arg *uaa = aux; 464 char *devinfop; 465 u_char eaddr[ETHER_ADDR_LEN]; 466 struct usbd_device * dev = uaa->uaa_device; 467 struct usbd_interface * iface; 468 usbd_status err; 469 struct ifnet *ifp; 470 usb_interface_descriptor_t *id; 471 usb_endpoint_descriptor_t *ed; 472 int i; 473 474 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 475 476 sc->cue_dev = self; 477 478 aprint_naive("\n"); 479 aprint_normal("\n"); 480 481 devinfop = usbd_devinfo_alloc(dev, 0); 482 aprint_normal_dev(self, "%s\n", devinfop); 483 usbd_devinfo_free(devinfop); 484 485 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 486 if (err) { 487 aprint_error_dev(self, "failed to set configuration" 488 ", err=%s\n", usbd_errstr(err)); 489 return; 490 } 491 492 sc->cue_udev = dev; 493 sc->cue_product = uaa->uaa_product; 494 sc->cue_vendor = uaa->uaa_vendor; 495 496 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc, 0); 497 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc, 0); 498 499 mutex_init(&sc->cue_lock, MUTEX_DEFAULT, IPL_NONE); 500 mutex_init(&sc->cue_txlock, MUTEX_DEFAULT, IPL_SOFTUSB); 501 mutex_init(&sc->cue_rxlock, MUTEX_DEFAULT, IPL_SOFTUSB); 502 503 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 504 if (err) { 505 aprint_error_dev(self, "getting interface handle failed\n"); 506 return; 507 } 508 509 sc->cue_iface = iface; 510 id = usbd_get_interface_descriptor(iface); 511 512 /* Find endpoints. */ 513 for (i = 0; i < id->bNumEndpoints; i++) { 514 ed = usbd_interface2endpoint_descriptor(iface, i); 515 if (ed == NULL) { 516 aprint_error_dev(self, "couldn't get ep %d\n", i); 517 return; 518 } 519 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 520 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 521 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 522 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 523 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 524 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 525 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 526 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 527 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 528 } 529 } 530 531 #if 0 532 /* Reset the adapter. */ 533 cue_reset(sc); 534 #endif 535 /* 536 * Get station address. 537 */ 538 cue_getmac(sc, &eaddr); 539 540 /* 541 * A CATC chip was detected. Inform the world. 542 */ 543 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 544 545 /* Initialize interface info.*/ 546 ifp = GET_IFP(sc); 547 ifp->if_softc = sc; 548 ifp->if_mtu = ETHERMTU; 549 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 550 ifp->if_extflags = IFEF_START_MPSAFE; 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_initialize(ifp); 561 sc->cue_ipq = if_percpuq_create(&sc->cue_ec.ec_if); 562 ether_ifattach(ifp, eaddr); 563 if_register(ifp); 564 ether_set_ifflags_cb(&sc->cue_ec, cue_ifflags_cb); 565 rnd_attach_source(&sc->rnd_source, device_xname(sc->cue_dev), 566 RND_TYPE_NET, RND_FLAG_DEFAULT); 567 568 callout_init(&(sc->cue_stat_ch), 0); 569 570 sc->cue_attached = 1; 571 572 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, sc->cue_dev); 573 574 return; 575 } 576 577 int 578 cue_detach(device_t self, int flags) 579 { 580 struct cue_softc *sc = device_private(self); 581 struct ifnet *ifp = GET_IFP(sc); 582 int s; 583 584 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 585 586 callout_stop(&sc->cue_stat_ch); 587 /* 588 * Remove any pending task. It cannot be executing because it run 589 * in the same thread as detach. 590 */ 591 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 592 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 593 594 if (!sc->cue_attached) { 595 /* Detached before attached finished, so just bail out. */ 596 return 0; 597 } 598 599 s = splusb(); 600 601 if (ifp->if_flags & IFF_RUNNING) 602 cue_stop(sc); 603 604 rnd_detach_source(&sc->rnd_source); 605 ether_ifdetach(ifp); 606 607 if_detach(ifp); 608 609 #ifdef DIAGNOSTIC 610 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 611 sc->cue_ep[CUE_ENDPT_RX] != NULL || 612 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 613 aprint_debug_dev(self, "detach has active endpoints\n"); 614 #endif 615 616 sc->cue_attached = 0; 617 splx(s); 618 619 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, sc->cue_dev); 620 621 return 0; 622 } 623 624 int 625 cue_activate(device_t self, enum devact act) 626 { 627 struct cue_softc *sc = device_private(self); 628 629 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 630 631 switch (act) { 632 case DVACT_DEACTIVATE: 633 /* Deactivate the interface. */ 634 if_deactivate(&sc->cue_ec.ec_if); 635 sc->cue_dying = 1; 636 return 0; 637 default: 638 return EOPNOTSUPP; 639 } 640 } 641 642 /* 643 * Initialize an RX descriptor and attach an MBUF cluster. 644 */ 645 Static int 646 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 647 { 648 struct mbuf *m_new = NULL; 649 650 if (m == NULL) { 651 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 652 if (m_new == NULL) { 653 printf("%s: no memory for rx list " 654 "-- packet dropped!\n", device_xname(sc->cue_dev)); 655 return ENOBUFS; 656 } 657 658 MCLGET(m_new, M_DONTWAIT); 659 if (!(m_new->m_flags & M_EXT)) { 660 printf("%s: no memory for rx list " 661 "-- packet dropped!\n", device_xname(sc->cue_dev)); 662 m_freem(m_new); 663 return ENOBUFS; 664 } 665 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 666 } else { 667 m_new = m; 668 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 669 m_new->m_data = m_new->m_ext.ext_buf; 670 } 671 672 m_adj(m_new, ETHER_ALIGN); 673 c->cue_mbuf = m_new; 674 675 return 0; 676 } 677 678 Static int 679 cue_rx_list_init(struct cue_softc *sc) 680 { 681 struct cue_cdata *cd; 682 struct cue_chain *c; 683 int i; 684 685 cd = &sc->cue_cdata; 686 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 687 c = &cd->cue_rx_chain[i]; 688 c->cue_sc = sc; 689 c->cue_idx = i; 690 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 691 return ENOBUFS; 692 if (c->cue_xfer == NULL) { 693 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_RX], 694 CUE_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->cue_xfer); 695 if (error) 696 return error; 697 c->cue_buf = usbd_get_buffer(c->cue_xfer); 698 } 699 } 700 701 return 0; 702 } 703 #if 0 704 Static void 705 cue_rx_list_free(struct cue_softc *sc) 706 { 707 /* Free RX resources. */ 708 for (int i = 0; i < CUE_RX_LIST_CNT; i++) { 709 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 710 usbd_destroy_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 711 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 712 } 713 } 714 } 715 #endif 716 Static int 717 cue_tx_list_init(struct cue_softc *sc) 718 { 719 struct cue_cdata *cd; 720 struct cue_chain *c; 721 int i; 722 723 cd = &sc->cue_cdata; 724 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 725 c = &cd->cue_tx_chain[i]; 726 c->cue_sc = sc; 727 c->cue_idx = i; 728 c->cue_mbuf = NULL; 729 if (c->cue_xfer == NULL) { 730 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_TX], 731 CUE_BUFSZ, 0, 0, &c->cue_xfer); 732 if (error) 733 return error; 734 c->cue_buf = usbd_get_buffer(c->cue_xfer); 735 } 736 } 737 738 return 0; 739 } 740 741 Static void 742 cue_tx_list_free(struct cue_softc *sc) 743 { 744 /* Free TX resources. */ 745 for (int i = 0; i < CUE_TX_LIST_CNT; i++) { 746 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 747 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 748 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 749 } 750 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 751 usbd_destroy_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 752 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 753 } 754 } 755 } 756 757 /* 758 * A frame has been uploaded: pass the resulting mbuf chain up to 759 * the higher level protocols. 760 */ 761 Static void 762 cue_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 763 { 764 struct cue_chain *c = priv; 765 struct cue_softc *sc = c->cue_sc; 766 struct ifnet *ifp = GET_IFP(sc); 767 struct mbuf *m; 768 int total_len = 0; 769 uint16_t len; 770 771 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 772 __func__, status)); 773 774 if (sc->cue_dying) 775 return; 776 777 if (!(ifp->if_flags & IFF_RUNNING)) 778 return; 779 780 if (status != USBD_NORMAL_COMPLETION) { 781 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 782 return; 783 sc->cue_rx_errs++; 784 if (usbd_ratecheck(&sc->cue_rx_notice)) { 785 printf("%s: %u usb errors on rx: %s\n", 786 device_xname(sc->cue_dev), sc->cue_rx_errs, 787 usbd_errstr(status)); 788 sc->cue_rx_errs = 0; 789 } 790 if (status == USBD_STALLED) 791 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 792 goto done; 793 } 794 795 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 796 797 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 798 799 m = c->cue_mbuf; 800 len = UGETW(mtod(m, uint8_t *)); 801 802 /* No errors; receive the packet. */ 803 total_len = len; 804 805 if (len < sizeof(struct ether_header)) { 806 ifp->if_ierrors++; 807 goto done; 808 } 809 810 ifp->if_ipackets++; 811 m_adj(m, sizeof(uint16_t)); 812 m->m_pkthdr.len = m->m_len = total_len; 813 814 m_set_rcvif(m, ifp); 815 816 /* XXX ugly */ 817 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 818 ifp->if_ierrors++; 819 goto done; 820 } 821 822 /* 823 * Handle BPF listeners. Let the BPF user see the packet, but 824 * don't pass it up to the ether_input() layer unless it's 825 * a broadcast packet, multicast packet, matches our ethernet 826 * address or the interface is in promiscuous mode. 827 */ 828 bpf_mtap(ifp, m); 829 830 DPRINTFN(10,("%s: %s: deliver %d\n", device_xname(sc->cue_dev), 831 __func__, m->m_len)); 832 if_percpuq_enqueue(sc->cue_ipq, m); 833 834 done: 835 836 /* Setup new transfer. */ 837 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 838 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 839 usbd_transfer(c->cue_xfer); 840 841 DPRINTFN(10,("%s: %s: start rx\n", device_xname(sc->cue_dev), 842 __func__)); 843 } 844 845 /* 846 * A frame was downloaded to the chip. It's safe for us to clean up 847 * the list buffers. 848 */ 849 Static void 850 cue_txeof(struct usbd_xfer *xfer, void *priv, 851 usbd_status status) 852 { 853 struct cue_chain *c = priv; 854 struct cue_softc *sc = c->cue_sc; 855 struct ifnet *ifp = GET_IFP(sc); 856 int s; 857 858 if (sc->cue_dying) 859 return; 860 861 s = splnet(); 862 863 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 864 __func__, status)); 865 866 ifp->if_timer = 0; 867 ifp->if_flags &= ~IFF_OACTIVE; 868 869 if (status != USBD_NORMAL_COMPLETION) { 870 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 871 splx(s); 872 return; 873 } 874 ifp->if_oerrors++; 875 printf("%s: usb error on tx: %s\n", device_xname(sc->cue_dev), 876 usbd_errstr(status)); 877 if (status == USBD_STALLED) 878 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 879 splx(s); 880 return; 881 } 882 883 ifp->if_opackets++; 884 885 m_freem(c->cue_mbuf); 886 c->cue_mbuf = NULL; 887 888 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 889 cue_start(ifp); 890 891 splx(s); 892 } 893 894 Static void 895 cue_tick(void *xsc) 896 { 897 struct cue_softc *sc = xsc; 898 899 if (sc == NULL) 900 return; 901 902 if (sc->cue_dying) 903 return; 904 905 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 906 907 /* Perform statistics update in process context. */ 908 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 909 } 910 911 Static void 912 cue_tick_task(void *xsc) 913 { 914 struct cue_softc *sc = xsc; 915 struct ifnet *ifp; 916 917 if (sc->cue_dying) 918 return; 919 920 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 921 922 ifp = GET_IFP(sc); 923 924 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 925 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 926 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 927 928 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 929 ifp->if_ierrors++; 930 } 931 932 Static int 933 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 934 { 935 int total_len; 936 struct cue_chain *c; 937 usbd_status err; 938 939 c = &sc->cue_cdata.cue_tx_chain[idx]; 940 941 /* 942 * Copy the mbuf data into a contiguous buffer, leaving two 943 * bytes at the beginning to hold the frame length. 944 */ 945 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 946 c->cue_mbuf = m; 947 948 total_len = m->m_pkthdr.len + 2; 949 950 DPRINTFN(10,("%s: %s: total_len=%d\n", 951 device_xname(sc->cue_dev), __func__, total_len)); 952 953 /* The first two bytes are the frame length */ 954 c->cue_buf[0] = (uint8_t)m->m_pkthdr.len; 955 c->cue_buf[1] = (uint8_t)(m->m_pkthdr.len >> 8); 956 957 /* XXX 10000 */ 958 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, total_len, 0, 10000, 959 cue_txeof); 960 961 /* Transmit */ 962 err = usbd_transfer(c->cue_xfer); 963 if (err != USBD_IN_PROGRESS) { 964 printf("%s: cue_send error=%s\n", device_xname(sc->cue_dev), 965 usbd_errstr(err)); 966 /* Stop the interface from process context. */ 967 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 968 USB_TASKQ_DRIVER); 969 return EIO; 970 } 971 972 sc->cue_cdata.cue_tx_cnt++; 973 974 return 0; 975 } 976 977 Static void 978 cue_start(struct ifnet *ifp) 979 { 980 struct cue_softc *sc = ifp->if_softc; 981 KASSERT(ifp->if_extflags & IFEF_START_MPSAFE); 982 983 mutex_enter(&sc->cue_txlock); 984 cue_start_locked(ifp); 985 mutex_exit(&sc->cue_txlock); 986 } 987 988 Static void 989 cue_start_locked(struct ifnet *ifp) 990 { 991 struct cue_softc *sc = ifp->if_softc; 992 struct mbuf *m_head = NULL; 993 994 if (sc->cue_dying) 995 return; 996 997 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 998 999 if (ifp->if_flags & IFF_OACTIVE) 1000 return; 1001 1002 IFQ_POLL(&ifp->if_snd, m_head); 1003 if (m_head == NULL) 1004 return; 1005 1006 if (cue_send(sc, m_head, 0)) { 1007 ifp->if_flags |= IFF_OACTIVE; 1008 return; 1009 } 1010 1011 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1012 1013 /* 1014 * If there's a BPF listener, bounce a copy of this frame 1015 * to him. 1016 */ 1017 bpf_mtap(ifp, m_head); 1018 1019 ifp->if_flags |= IFF_OACTIVE; 1020 1021 /* 1022 * Set a timeout in case the chip goes out to lunch. 1023 */ 1024 ifp->if_timer = 5; 1025 } 1026 1027 Static int 1028 cue_init(struct ifnet *ifp) 1029 { 1030 struct cue_softc *sc = ifp->if_softc; 1031 1032 mutex_enter(&sc->cue_lock); 1033 int ret = cue_init_locked(ifp); 1034 mutex_exit(&sc->cue_lock); 1035 1036 return ret; 1037 } 1038 1039 Static int 1040 cue_init_locked(struct ifnet *ifp) 1041 { 1042 struct cue_softc *sc = ifp->if_softc; 1043 int i, ctl, err = 0; 1044 const u_char *eaddr; 1045 1046 if (sc->cue_dying) 1047 return EIO; 1048 1049 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1050 1051 if (ifp->if_flags & IFF_RUNNING) 1052 return 0; 1053 1054 /* 1055 * Cancel pending I/O and free all RX/TX buffers. 1056 */ 1057 #if 1 1058 cue_reset(sc); 1059 #endif 1060 1061 /* Set advanced operation modes. */ 1062 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1063 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1064 1065 eaddr = CLLADDR(ifp->if_sadl); 1066 /* Set MAC address */ 1067 for (i = 0; i < ETHER_ADDR_LEN; i++) 1068 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1069 1070 /* Enable RX logic. */ 1071 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1072 if (ifp->if_flags & IFF_PROMISC) 1073 ctl |= CUE_ETHCTL_PROMISC; 1074 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1075 1076 /* Load the multicast filter. */ 1077 cue_setmulti(sc); 1078 1079 /* 1080 * Set the number of RX and TX buffers that we want 1081 * to reserve inside the ASIC. 1082 */ 1083 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1084 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1085 1086 /* Set advanced operation modes. */ 1087 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1088 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1089 1090 /* Program the LED operation. */ 1091 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1092 1093 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1094 /* Open RX and TX pipes. */ 1095 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1096 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1097 if (err) { 1098 printf("%s: open rx pipe failed: %s\n", 1099 device_xname(sc->cue_dev), usbd_errstr(err)); 1100 goto fail; 1101 } 1102 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1103 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1104 if (err) { 1105 printf("%s: open tx pipe failed: %s\n", 1106 device_xname(sc->cue_dev), usbd_errstr(err)); 1107 goto fail1; 1108 } 1109 } 1110 /* Init TX ring. */ 1111 if (cue_tx_list_init(sc)) { 1112 printf("%s: tx list init failed\n", device_xname(sc->cue_dev)); 1113 goto fail2; 1114 } 1115 1116 /* Init RX ring. */ 1117 if (cue_rx_list_init(sc)) { 1118 printf("%s: rx list init failed\n", device_xname(sc->cue_dev)); 1119 goto fail3; 1120 } 1121 1122 /* Start up the receive pipe. */ 1123 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1124 struct cue_chain *c = &sc->cue_cdata.cue_rx_chain[i]; 1125 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 1126 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 1127 usbd_transfer(c->cue_xfer); 1128 } 1129 1130 ifp->if_flags |= IFF_RUNNING; 1131 ifp->if_flags &= ~IFF_OACTIVE; 1132 1133 callout_reset(&(sc->cue_stat_ch), (hz), (cue_tick), (sc)); 1134 1135 return 0; 1136 1137 fail3: 1138 cue_tx_list_free(sc); 1139 fail2: 1140 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1141 fail1: 1142 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1143 fail: 1144 return EIO; 1145 } 1146 1147 Static int 1148 cue_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1149 { 1150 struct cue_softc *sc = ifp->if_softc; 1151 int s, error = 0; 1152 1153 if (sc->cue_dying) 1154 return EIO; 1155 1156 s = splnet(); 1157 error = ether_ioctl(ifp, cmd, data); 1158 splx(s); 1159 1160 if (error == ENETRESET) { 1161 error = 0; 1162 if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) { 1163 mutex_enter(&sc->cue_lock); 1164 cue_setmulti(sc); 1165 mutex_exit(&sc->cue_lock); 1166 } 1167 } 1168 return error; 1169 } 1170 1171 Static int 1172 cue_ifflags_cb(struct ethercom *ec) 1173 { 1174 struct ifnet *ifp = &ec->ec_if; 1175 struct cue_softc *sc = ifp->if_softc; 1176 int rc = 0; 1177 1178 mutex_enter(&sc->cue_lock); 1179 1180 int change = ifp->if_flags ^ sc->cue_if_flags; 1181 sc->cue_if_flags = ifp->if_flags; 1182 1183 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 1184 rc = ENETRESET; 1185 goto out; 1186 } 1187 1188 if ((change & IFF_PROMISC) != 0) { 1189 if (ifp->if_flags & IFF_PROMISC) { 1190 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1191 } else if (!(ifp->if_flags & IFF_PROMISC)) { 1192 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1193 } 1194 cue_setmulti(sc); 1195 } 1196 1197 out: 1198 mutex_exit(&sc->cue_lock); 1199 1200 return rc; 1201 } 1202 1203 Static void 1204 cue_watchdog(struct ifnet *ifp) 1205 { 1206 struct cue_softc *sc = ifp->if_softc; 1207 struct cue_chain *c; 1208 usbd_status stat; 1209 int s; 1210 1211 DPRINTFN(5,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 1212 1213 if (sc->cue_dying) 1214 return; 1215 1216 ifp->if_oerrors++; 1217 printf("%s: watchdog timeout\n", device_xname(sc->cue_dev)); 1218 1219 s = splusb(); 1220 c = &sc->cue_cdata.cue_tx_chain[0]; 1221 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1222 cue_txeof(c->cue_xfer, c, stat); 1223 1224 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1225 cue_start(ifp); 1226 splx(s); 1227 } 1228 1229 /* 1230 * Stop the adapter and free any mbufs allocated to the 1231 * RX and TX lists. 1232 */ 1233 Static void 1234 cue_stop(struct cue_softc *sc) 1235 { 1236 mutex_enter(&sc->cue_lock); 1237 cue_stop_locked(sc); 1238 mutex_exit(&sc->cue_lock); 1239 } 1240 1241 Static void 1242 cue_stop_locked(struct cue_softc *sc) 1243 { 1244 usbd_status err; 1245 struct ifnet *ifp; 1246 1247 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1248 1249 ifp = GET_IFP(sc); 1250 ifp->if_timer = 0; 1251 1252 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1253 cue_reset(sc); 1254 callout_stop(&sc->cue_stat_ch); 1255 1256 /* Stop transfers. */ 1257 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1258 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1259 if (err) { 1260 printf("%s: abort rx pipe failed: %s\n", 1261 device_xname(sc->cue_dev), usbd_errstr(err)); 1262 } 1263 } 1264 1265 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1266 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1267 if (err) { 1268 printf("%s: abort tx pipe failed: %s\n", 1269 device_xname(sc->cue_dev), usbd_errstr(err)); 1270 } 1271 } 1272 1273 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1274 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1275 if (err) { 1276 printf("%s: abort intr pipe failed: %s\n", 1277 device_xname(sc->cue_dev), usbd_errstr(err)); 1278 } 1279 } 1280 1281 /* Stop transfers. */ 1282 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1283 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1284 if (err) { 1285 printf("%s: close rx pipe failed: %s\n", 1286 device_xname(sc->cue_dev), usbd_errstr(err)); 1287 } 1288 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1289 } 1290 1291 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1292 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1293 if (err) { 1294 printf("%s: close tx pipe failed: %s\n", 1295 device_xname(sc->cue_dev), usbd_errstr(err)); 1296 } 1297 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1298 } 1299 1300 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1301 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1302 if (err) { 1303 printf("%s: close intr pipe failed: %s\n", 1304 device_xname(sc->cue_dev), usbd_errstr(err)); 1305 } 1306 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1307 } 1308 1309 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1310 } 1311
Indexes created Fri Oct 03 02:09:57 GMT 2025