if_cue.c revision 1.68.4.16
1 /* $NetBSD: if_cue.c,v 1.68.4.16 2017/09/01 13:45:24 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 1.68.4.16 2017/09/01 13:45:24 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 strlcpy(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 mutex_destroy(&sc->cue_rxlock); 617 mutex_destroy(&sc->cue_txlock); 618 mutex_destroy(&sc->cue_lock); 619 620 sc->cue_attached = 0; 621 splx(s); 622 623 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, sc->cue_dev); 624 625 return 0; 626 } 627 628 int 629 cue_activate(device_t self, enum devact act) 630 { 631 struct cue_softc *sc = device_private(self); 632 633 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 634 635 switch (act) { 636 case DVACT_DEACTIVATE: 637 /* Deactivate the interface. */ 638 if_deactivate(&sc->cue_ec.ec_if); 639 sc->cue_dying = 1; 640 return 0; 641 default: 642 return EOPNOTSUPP; 643 } 644 } 645 646 /* 647 * Initialize an RX descriptor and attach an MBUF cluster. 648 */ 649 Static int 650 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 651 { 652 struct mbuf *m_new = NULL; 653 654 if (m == NULL) { 655 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 656 if (m_new == NULL) { 657 printf("%s: no memory for rx list " 658 "-- packet dropped!\n", device_xname(sc->cue_dev)); 659 return ENOBUFS; 660 } 661 662 MCLGET(m_new, M_DONTWAIT); 663 if (!(m_new->m_flags & M_EXT)) { 664 printf("%s: no memory for rx list " 665 "-- packet dropped!\n", device_xname(sc->cue_dev)); 666 m_freem(m_new); 667 return ENOBUFS; 668 } 669 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 670 } else { 671 m_new = m; 672 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 673 m_new->m_data = m_new->m_ext.ext_buf; 674 } 675 676 m_adj(m_new, ETHER_ALIGN); 677 c->cue_mbuf = m_new; 678 679 return 0; 680 } 681 682 Static int 683 cue_rx_list_init(struct cue_softc *sc) 684 { 685 struct cue_cdata *cd; 686 struct cue_chain *c; 687 int i; 688 689 cd = &sc->cue_cdata; 690 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 691 c = &cd->cue_rx_chain[i]; 692 c->cue_sc = sc; 693 c->cue_idx = i; 694 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 695 return ENOBUFS; 696 if (c->cue_xfer == NULL) { 697 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_RX], 698 CUE_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->cue_xfer); 699 if (error) 700 return error; 701 c->cue_buf = usbd_get_buffer(c->cue_xfer); 702 } 703 } 704 705 return 0; 706 } 707 #if 0 708 Static void 709 cue_rx_list_free(struct cue_softc *sc) 710 { 711 /* Free RX resources. */ 712 for (int i = 0; i < CUE_RX_LIST_CNT; i++) { 713 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 714 usbd_destroy_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 715 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 716 } 717 } 718 } 719 #endif 720 Static int 721 cue_tx_list_init(struct cue_softc *sc) 722 { 723 struct cue_cdata *cd; 724 struct cue_chain *c; 725 int i; 726 727 cd = &sc->cue_cdata; 728 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 729 c = &cd->cue_tx_chain[i]; 730 c->cue_sc = sc; 731 c->cue_idx = i; 732 c->cue_mbuf = NULL; 733 if (c->cue_xfer == NULL) { 734 int error = usbd_create_xfer(sc->cue_ep[CUE_ENDPT_TX], 735 CUE_BUFSZ, 0, 0, &c->cue_xfer); 736 if (error) 737 return error; 738 c->cue_buf = usbd_get_buffer(c->cue_xfer); 739 } 740 } 741 742 return 0; 743 } 744 745 Static void 746 cue_tx_list_free(struct cue_softc *sc) 747 { 748 /* Free TX resources. */ 749 for (int i = 0; i < CUE_TX_LIST_CNT; i++) { 750 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 751 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 752 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 753 } 754 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 755 usbd_destroy_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 756 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 757 } 758 } 759 } 760 761 /* 762 * A frame has been uploaded: pass the resulting mbuf chain up to 763 * the higher level protocols. 764 */ 765 Static void 766 cue_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 767 { 768 struct cue_chain *c = priv; 769 struct cue_softc *sc = c->cue_sc; 770 struct ifnet *ifp = GET_IFP(sc); 771 struct mbuf *m; 772 int total_len = 0; 773 uint16_t len; 774 775 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 776 __func__, status)); 777 778 if (sc->cue_dying) 779 return; 780 781 if (!(ifp->if_flags & IFF_RUNNING)) 782 return; 783 784 if (status != USBD_NORMAL_COMPLETION) { 785 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 786 return; 787 sc->cue_rx_errs++; 788 if (usbd_ratecheck(&sc->cue_rx_notice)) { 789 printf("%s: %u usb errors on rx: %s\n", 790 device_xname(sc->cue_dev), sc->cue_rx_errs, 791 usbd_errstr(status)); 792 sc->cue_rx_errs = 0; 793 } 794 if (status == USBD_STALLED) 795 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 796 goto done; 797 } 798 799 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 800 801 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 802 803 m = c->cue_mbuf; 804 len = UGETW(mtod(m, uint8_t *)); 805 806 /* No errors; receive the packet. */ 807 total_len = len; 808 809 if (len < sizeof(struct ether_header)) { 810 ifp->if_ierrors++; 811 goto done; 812 } 813 814 m_adj(m, sizeof(uint16_t)); 815 m->m_pkthdr.len = m->m_len = total_len; 816 817 m_set_rcvif(m, ifp); 818 819 /* XXX ugly */ 820 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 821 ifp->if_ierrors++; 822 goto done; 823 } 824 825 DPRINTFN(10,("%s: %s: deliver %d\n", device_xname(sc->cue_dev), 826 __func__, m->m_len)); 827 if_percpuq_enqueue(sc->cue_ipq, m); 828 829 done: 830 831 /* Setup new transfer. */ 832 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 833 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 834 usbd_transfer(c->cue_xfer); 835 836 DPRINTFN(10,("%s: %s: start rx\n", device_xname(sc->cue_dev), 837 __func__)); 838 } 839 840 /* 841 * A frame was downloaded to the chip. It's safe for us to clean up 842 * the list buffers. 843 */ 844 Static void 845 cue_txeof(struct usbd_xfer *xfer, void *priv, 846 usbd_status status) 847 { 848 struct cue_chain *c = priv; 849 struct cue_softc *sc = c->cue_sc; 850 struct ifnet *ifp = GET_IFP(sc); 851 int s; 852 853 if (sc->cue_dying) 854 return; 855 856 s = splnet(); 857 858 DPRINTFN(10,("%s: %s: enter status=%d\n", device_xname(sc->cue_dev), 859 __func__, status)); 860 861 ifp->if_timer = 0; 862 ifp->if_flags &= ~IFF_OACTIVE; 863 864 if (status != USBD_NORMAL_COMPLETION) { 865 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 866 splx(s); 867 return; 868 } 869 ifp->if_oerrors++; 870 printf("%s: usb error on tx: %s\n", device_xname(sc->cue_dev), 871 usbd_errstr(status)); 872 if (status == USBD_STALLED) 873 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 874 splx(s); 875 return; 876 } 877 878 ifp->if_opackets++; 879 880 m_freem(c->cue_mbuf); 881 c->cue_mbuf = NULL; 882 883 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 884 cue_start(ifp); 885 886 splx(s); 887 } 888 889 Static void 890 cue_tick(void *xsc) 891 { 892 struct cue_softc *sc = xsc; 893 894 if (sc == NULL) 895 return; 896 897 if (sc->cue_dying) 898 return; 899 900 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 901 902 /* Perform statistics update in process context. */ 903 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 904 } 905 906 Static void 907 cue_tick_task(void *xsc) 908 { 909 struct cue_softc *sc = xsc; 910 struct ifnet *ifp; 911 912 if (sc->cue_dying) 913 return; 914 915 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 916 917 ifp = GET_IFP(sc); 918 919 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 920 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 921 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 922 923 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 924 ifp->if_ierrors++; 925 } 926 927 Static int 928 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 929 { 930 int total_len; 931 struct cue_chain *c; 932 usbd_status err; 933 934 c = &sc->cue_cdata.cue_tx_chain[idx]; 935 936 /* 937 * Copy the mbuf data into a contiguous buffer, leaving two 938 * bytes at the beginning to hold the frame length. 939 */ 940 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 941 c->cue_mbuf = m; 942 943 total_len = m->m_pkthdr.len + 2; 944 945 DPRINTFN(10,("%s: %s: total_len=%d\n", 946 device_xname(sc->cue_dev), __func__, total_len)); 947 948 /* The first two bytes are the frame length */ 949 c->cue_buf[0] = (uint8_t)m->m_pkthdr.len; 950 c->cue_buf[1] = (uint8_t)(m->m_pkthdr.len >> 8); 951 952 /* XXX 10000 */ 953 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, total_len, 0, 10000, 954 cue_txeof); 955 956 /* Transmit */ 957 err = usbd_transfer(c->cue_xfer); 958 if (err != USBD_IN_PROGRESS) { 959 printf("%s: cue_send error=%s\n", device_xname(sc->cue_dev), 960 usbd_errstr(err)); 961 /* Stop the interface from process context. */ 962 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 963 USB_TASKQ_DRIVER); 964 return EIO; 965 } 966 967 sc->cue_cdata.cue_tx_cnt++; 968 969 return 0; 970 } 971 972 Static void 973 cue_start(struct ifnet *ifp) 974 { 975 struct cue_softc *sc = ifp->if_softc; 976 KASSERT(ifp->if_extflags & IFEF_START_MPSAFE); 977 978 mutex_enter(&sc->cue_txlock); 979 cue_start_locked(ifp); 980 mutex_exit(&sc->cue_txlock); 981 } 982 983 Static void 984 cue_start_locked(struct ifnet *ifp) 985 { 986 struct cue_softc *sc = ifp->if_softc; 987 struct mbuf *m_head = NULL; 988 989 if (sc->cue_dying) 990 return; 991 992 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 993 994 if (ifp->if_flags & IFF_OACTIVE) 995 return; 996 997 IFQ_POLL(&ifp->if_snd, m_head); 998 if (m_head == NULL) 999 return; 1000 1001 if (cue_send(sc, m_head, 0)) { 1002 ifp->if_flags |= IFF_OACTIVE; 1003 return; 1004 } 1005 1006 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1007 1008 /* 1009 * If there's a BPF listener, bounce a copy of this frame 1010 * to him. 1011 */ 1012 bpf_mtap(ifp, m_head); 1013 1014 ifp->if_flags |= IFF_OACTIVE; 1015 1016 /* 1017 * Set a timeout in case the chip goes out to lunch. 1018 */ 1019 ifp->if_timer = 5; 1020 } 1021 1022 Static int 1023 cue_init(struct ifnet *ifp) 1024 { 1025 struct cue_softc *sc = ifp->if_softc; 1026 1027 mutex_enter(&sc->cue_lock); 1028 int ret = cue_init_locked(ifp); 1029 mutex_exit(&sc->cue_lock); 1030 1031 return ret; 1032 } 1033 1034 Static int 1035 cue_init_locked(struct ifnet *ifp) 1036 { 1037 struct cue_softc *sc = ifp->if_softc; 1038 int i, ctl, err = 0; 1039 const u_char *eaddr; 1040 1041 if (sc->cue_dying) 1042 return EIO; 1043 1044 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1045 1046 if (ifp->if_flags & IFF_RUNNING) 1047 return 0; 1048 1049 /* 1050 * Cancel pending I/O and free all RX/TX buffers. 1051 */ 1052 #if 1 1053 cue_reset(sc); 1054 #endif 1055 1056 /* Set advanced operation modes. */ 1057 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1058 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1059 1060 eaddr = CLLADDR(ifp->if_sadl); 1061 /* Set MAC address */ 1062 for (i = 0; i < ETHER_ADDR_LEN; i++) 1063 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1064 1065 /* Enable RX logic. */ 1066 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1067 if (ifp->if_flags & IFF_PROMISC) 1068 ctl |= CUE_ETHCTL_PROMISC; 1069 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1070 1071 /* Load the multicast filter. */ 1072 cue_setmulti(sc); 1073 1074 /* 1075 * Set the number of RX and TX buffers that we want 1076 * to reserve inside the ASIC. 1077 */ 1078 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1079 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1080 1081 /* Set advanced operation modes. */ 1082 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1083 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1084 1085 /* Program the LED operation. */ 1086 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1087 1088 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1089 /* Open RX and TX pipes. */ 1090 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1091 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1092 if (err) { 1093 printf("%s: open rx pipe failed: %s\n", 1094 device_xname(sc->cue_dev), usbd_errstr(err)); 1095 goto fail; 1096 } 1097 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1098 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1099 if (err) { 1100 printf("%s: open tx pipe failed: %s\n", 1101 device_xname(sc->cue_dev), usbd_errstr(err)); 1102 goto fail1; 1103 } 1104 } 1105 /* Init TX ring. */ 1106 if (cue_tx_list_init(sc)) { 1107 printf("%s: tx list init failed\n", device_xname(sc->cue_dev)); 1108 goto fail2; 1109 } 1110 1111 /* Init RX ring. */ 1112 if (cue_rx_list_init(sc)) { 1113 printf("%s: rx list init failed\n", device_xname(sc->cue_dev)); 1114 goto fail3; 1115 } 1116 1117 /* Start up the receive pipe. */ 1118 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1119 struct cue_chain *c = &sc->cue_cdata.cue_rx_chain[i]; 1120 usbd_setup_xfer(c->cue_xfer, c, c->cue_buf, CUE_BUFSZ, 1121 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, cue_rxeof); 1122 usbd_transfer(c->cue_xfer); 1123 } 1124 1125 ifp->if_flags |= IFF_RUNNING; 1126 ifp->if_flags &= ~IFF_OACTIVE; 1127 1128 callout_reset(&(sc->cue_stat_ch), (hz), (cue_tick), (sc)); 1129 1130 return 0; 1131 1132 fail3: 1133 cue_tx_list_free(sc); 1134 fail2: 1135 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1136 fail1: 1137 usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1138 fail: 1139 return EIO; 1140 } 1141 1142 Static int 1143 cue_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1144 { 1145 struct cue_softc *sc = ifp->if_softc; 1146 int s, error = 0; 1147 1148 if (sc->cue_dying) 1149 return EIO; 1150 1151 s = splnet(); 1152 error = ether_ioctl(ifp, cmd, data); 1153 splx(s); 1154 1155 if (error == ENETRESET) { 1156 error = 0; 1157 if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) { 1158 mutex_enter(&sc->cue_lock); 1159 cue_setmulti(sc); 1160 mutex_exit(&sc->cue_lock); 1161 } 1162 } 1163 return error; 1164 } 1165 1166 Static int 1167 cue_ifflags_cb(struct ethercom *ec) 1168 { 1169 struct ifnet *ifp = &ec->ec_if; 1170 struct cue_softc *sc = ifp->if_softc; 1171 int rc = 0; 1172 1173 mutex_enter(&sc->cue_lock); 1174 1175 int change = ifp->if_flags ^ sc->cue_if_flags; 1176 sc->cue_if_flags = ifp->if_flags; 1177 1178 if ((change & ~(IFF_CANTCHANGE | IFF_DEBUG)) != 0) { 1179 rc = ENETRESET; 1180 goto out; 1181 } 1182 1183 if ((change & IFF_PROMISC) != 0) { 1184 if (ifp->if_flags & IFF_PROMISC) { 1185 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1186 } else if (!(ifp->if_flags & IFF_PROMISC)) { 1187 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1188 } 1189 cue_setmulti(sc); 1190 } 1191 1192 out: 1193 mutex_exit(&sc->cue_lock); 1194 1195 return rc; 1196 } 1197 1198 Static void 1199 cue_watchdog(struct ifnet *ifp) 1200 { 1201 struct cue_softc *sc = ifp->if_softc; 1202 struct cue_chain *c; 1203 usbd_status stat; 1204 int s; 1205 1206 DPRINTFN(5,("%s: %s: enter\n", device_xname(sc->cue_dev), __func__)); 1207 1208 if (sc->cue_dying) 1209 return; 1210 1211 ifp->if_oerrors++; 1212 printf("%s: watchdog timeout\n", device_xname(sc->cue_dev)); 1213 1214 s = splusb(); 1215 c = &sc->cue_cdata.cue_tx_chain[0]; 1216 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1217 cue_txeof(c->cue_xfer, c, stat); 1218 1219 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1220 cue_start(ifp); 1221 splx(s); 1222 } 1223 1224 /* 1225 * Stop the adapter and free any mbufs allocated to the 1226 * RX and TX lists. 1227 */ 1228 Static void 1229 cue_stop(struct cue_softc *sc) 1230 { 1231 mutex_enter(&sc->cue_lock); 1232 cue_stop_locked(sc); 1233 mutex_exit(&sc->cue_lock); 1234 } 1235 1236 Static void 1237 cue_stop_locked(struct cue_softc *sc) 1238 { 1239 usbd_status err; 1240 struct ifnet *ifp; 1241 1242 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->cue_dev),__func__)); 1243 1244 ifp = GET_IFP(sc); 1245 ifp->if_timer = 0; 1246 1247 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1248 cue_reset(sc); 1249 callout_stop(&sc->cue_stat_ch); 1250 1251 /* Stop transfers. */ 1252 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1253 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1254 if (err) { 1255 printf("%s: abort rx pipe failed: %s\n", 1256 device_xname(sc->cue_dev), usbd_errstr(err)); 1257 } 1258 } 1259 1260 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1261 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1262 if (err) { 1263 printf("%s: abort tx pipe failed: %s\n", 1264 device_xname(sc->cue_dev), usbd_errstr(err)); 1265 } 1266 } 1267 1268 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1269 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1270 if (err) { 1271 printf("%s: abort intr pipe failed: %s\n", 1272 device_xname(sc->cue_dev), usbd_errstr(err)); 1273 } 1274 } 1275 1276 /* Stop transfers. */ 1277 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1278 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1279 if (err) { 1280 printf("%s: close rx pipe failed: %s\n", 1281 device_xname(sc->cue_dev), usbd_errstr(err)); 1282 } 1283 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1284 } 1285 1286 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1287 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1288 if (err) { 1289 printf("%s: close tx pipe failed: %s\n", 1290 device_xname(sc->cue_dev), usbd_errstr(err)); 1291 } 1292 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1293 } 1294 1295 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1296 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1297 if (err) { 1298 printf("%s: close intr pipe failed: %s\n", 1299 device_xname(sc->cue_dev), usbd_errstr(err)); 1300 } 1301 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1302 } 1303 1304 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1305 } 1306
Indexes created Fri Oct 03 02:09:57 GMT 2025