1 /* $NetBSD: if_cue.c,v 1.51 2007/08/29 22:33:43 dyoung Exp $ */ 2 /* 3 * Copyright (c) 1997, 1998, 1999, 2000 4 * Bill Paul <wpaul@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@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 1.51 2007/08/29 22:33:43 dyoung Exp $"); 60 61 #if defined(__NetBSD__) 62 #include "opt_inet.h" 63 #include "bpfilter.h" 64 #include "rnd.h" 65 #elif defined(__OpenBSD__) 66 #include "bpfilter.h" 67 #endif /* defined(__OpenBSD__) */ 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #if !defined(__OpenBSD__) 72 #include <sys/callout.h> 73 #endif 74 #include <sys/sockio.h> 75 #include <sys/mbuf.h> 76 #include <sys/malloc.h> 77 #include <sys/kernel.h> 78 #include <sys/socket.h> 79 80 #include <sys/device.h> 81 #if NRND > 0 82 #include <sys/rnd.h> 83 #endif 84 85 #include <net/if.h> 86 #if defined(__NetBSD__) 87 #include <net/if_arp.h> 88 #endif 89 #include <net/if_dl.h> 90 91 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 92 93 #if NBPFILTER > 0 94 #include <net/bpf.h> 95 #endif 96 97 #if defined(__NetBSD__) 98 #include <net/if_ether.h> 99 #ifdef INET 100 #include <netinet/in.h> 101 #include <netinet/if_inarp.h> 102 #endif 103 #endif /* defined(__NetBSD__) */ 104 105 #if defined(__OpenBSD__) 106 #ifdef INET 107 #include <netinet/in.h> 108 #include <netinet/in_systm.h> 109 #include <netinet/in_var.h> 110 #include <netinet/ip.h> 111 #include <netinet/if_ether.h> 112 #endif 113 #endif /* defined(__OpenBSD__) */ 114 115 116 #include <dev/usb/usb.h> 117 #include <dev/usb/usbdi.h> 118 #include <dev/usb/usbdi_util.h> 119 #include <dev/usb/usbdevs.h> 120 121 #include <dev/usb/if_cuereg.h> 122 123 #ifdef CUE_DEBUG 124 #define DPRINTF(x) if (cuedebug) logprintf x 125 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 126 int cuedebug = 0; 127 #else 128 #define DPRINTF(x) 129 #define DPRINTFN(n,x) 130 #endif 131 132 /* 133 * Various supported device vendors/products. 134 */ 135 Static struct usb_devno cue_devs[] = { 136 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 137 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 138 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 139 /* Belkin F5U111 adapter covered by NETMATE entry */ 140 }; 141 #define cue_lookup(v, p) (usb_lookup(cue_devs, v, p)) 142 143 USB_DECLARE_DRIVER(cue); 144 145 Static int cue_open_pipes(struct cue_softc *); 146 Static int cue_tx_list_init(struct cue_softc *); 147 Static int cue_rx_list_init(struct cue_softc *); 148 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 149 Static int cue_send(struct cue_softc *, struct mbuf *, int); 150 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 151 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 152 Static void cue_tick(void *); 153 Static void cue_tick_task(void *); 154 Static void cue_start(struct ifnet *); 155 Static int cue_ioctl(struct ifnet *, u_long, void *); 156 Static void cue_init(void *); 157 Static void cue_stop(struct cue_softc *); 158 Static void cue_watchdog(struct ifnet *); 159 160 Static void cue_setmulti(struct cue_softc *); 161 Static u_int32_t cue_crc(const char *); 162 Static void cue_reset(struct cue_softc *); 163 164 Static int cue_csr_read_1(struct cue_softc *, int); 165 Static int cue_csr_write_1(struct cue_softc *, int, int); 166 Static int cue_csr_read_2(struct cue_softc *, int); 167 #if 0 168 Static int cue_csr_write_2(struct cue_softc *, int, int); 169 #endif 170 Static int cue_mem(struct cue_softc *, int, int, void *, int); 171 Static int cue_getmac(struct cue_softc *, void *); 172 173 #define CUE_SETBIT(sc, reg, x) \ 174 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 175 176 #define CUE_CLRBIT(sc, reg, x) \ 177 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 178 179 Static int 180 cue_csr_read_1(struct cue_softc *sc, int reg) 181 { 182 usb_device_request_t req; 183 usbd_status err; 184 u_int8_t val = 0; 185 186 if (sc->cue_dying) 187 return (0); 188 189 req.bmRequestType = UT_READ_VENDOR_DEVICE; 190 req.bRequest = CUE_CMD_READREG; 191 USETW(req.wValue, 0); 192 USETW(req.wIndex, reg); 193 USETW(req.wLength, 1); 194 195 err = usbd_do_request(sc->cue_udev, &req, &val); 196 197 if (err) { 198 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 199 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 200 return (0); 201 } 202 203 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 204 USBDEVNAME(sc->cue_dev), reg, val)); 205 206 return (val); 207 } 208 209 Static int 210 cue_csr_read_2(struct cue_softc *sc, int reg) 211 { 212 usb_device_request_t req; 213 usbd_status err; 214 uWord val; 215 216 if (sc->cue_dying) 217 return (0); 218 219 req.bmRequestType = UT_READ_VENDOR_DEVICE; 220 req.bRequest = CUE_CMD_READREG; 221 USETW(req.wValue, 0); 222 USETW(req.wIndex, reg); 223 USETW(req.wLength, 2); 224 225 err = usbd_do_request(sc->cue_udev, &req, &val); 226 227 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 228 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 229 230 if (err) { 231 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 232 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 233 return (0); 234 } 235 236 return (UGETW(val)); 237 } 238 239 Static int 240 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 241 { 242 usb_device_request_t req; 243 usbd_status err; 244 245 if (sc->cue_dying) 246 return (0); 247 248 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 249 USBDEVNAME(sc->cue_dev), reg, val)); 250 251 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 252 req.bRequest = CUE_CMD_WRITEREG; 253 USETW(req.wValue, val); 254 USETW(req.wIndex, reg); 255 USETW(req.wLength, 0); 256 257 err = usbd_do_request(sc->cue_udev, &req, NULL); 258 259 if (err) { 260 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 261 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 262 return (-1); 263 } 264 265 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 266 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 267 268 return (0); 269 } 270 271 #if 0 272 Static int 273 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 274 { 275 usb_device_request_t req; 276 usbd_status err; 277 uWord val; 278 int s; 279 280 if (sc->cue_dying) 281 return (0); 282 283 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 284 USBDEVNAME(sc->cue_dev), reg, aval)); 285 286 USETW(val, aval); 287 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 288 req.bRequest = CUE_CMD_WRITEREG; 289 USETW(req.wValue, val); 290 USETW(req.wIndex, reg); 291 USETW(req.wLength, 0); 292 293 err = usbd_do_request(sc->cue_udev, &req, NULL); 294 295 if (err) { 296 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 297 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 298 return (-1); 299 } 300 301 return (0); 302 } 303 #endif 304 305 Static int 306 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 307 { 308 usb_device_request_t req; 309 usbd_status err; 310 311 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 312 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 313 314 if (cmd == CUE_CMD_READSRAM) 315 req.bmRequestType = UT_READ_VENDOR_DEVICE; 316 else 317 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 318 req.bRequest = cmd; 319 USETW(req.wValue, 0); 320 USETW(req.wIndex, addr); 321 USETW(req.wLength, len); 322 323 err = usbd_do_request(sc->cue_udev, &req, buf); 324 325 if (err) { 326 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 327 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 328 return (-1); 329 } 330 331 return (0); 332 } 333 334 Static int 335 cue_getmac(struct cue_softc *sc, void *buf) 336 { 337 usb_device_request_t req; 338 usbd_status err; 339 340 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 341 342 req.bmRequestType = UT_READ_VENDOR_DEVICE; 343 req.bRequest = CUE_CMD_GET_MACADDR; 344 USETW(req.wValue, 0); 345 USETW(req.wIndex, 0); 346 USETW(req.wLength, ETHER_ADDR_LEN); 347 348 err = usbd_do_request(sc->cue_udev, &req, buf); 349 350 if (err) { 351 printf("%s: read MAC address failed\n",USBDEVNAME(sc->cue_dev)); 352 return (-1); 353 } 354 355 return (0); 356 } 357 358 #define CUE_POLY 0xEDB88320 359 #define CUE_BITS 9 360 361 Static u_int32_t 362 cue_crc(const char *addr) 363 { 364 u_int32_t idx, bit, data, crc; 365 366 /* Compute CRC for the address value. */ 367 crc = 0xFFFFFFFF; /* initial value */ 368 369 for (idx = 0; idx < 6; idx++) { 370 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 371 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 372 } 373 374 return (crc & ((1 << CUE_BITS) - 1)); 375 } 376 377 Static void 378 cue_setmulti(struct cue_softc *sc) 379 { 380 struct ifnet *ifp; 381 struct ether_multi *enm; 382 struct ether_multistep step; 383 u_int32_t h, i; 384 385 ifp = GET_IFP(sc); 386 387 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 388 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 389 390 if (ifp->if_flags & IFF_PROMISC) { 391 allmulti: 392 ifp->if_flags |= IFF_ALLMULTI; 393 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 394 sc->cue_mctab[i] = 0xFF; 395 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 396 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 397 return; 398 } 399 400 /* first, zot all the existing hash bits */ 401 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 402 sc->cue_mctab[i] = 0; 403 404 /* now program new ones */ 405 #if defined(__NetBSD__) 406 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 407 #else 408 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 409 #endif 410 while (enm != NULL) { 411 if (memcmp(enm->enm_addrlo, 412 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 413 goto allmulti; 414 415 h = cue_crc(enm->enm_addrlo); 416 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 417 ETHER_NEXT_MULTI(step, enm); 418 } 419 420 ifp->if_flags &= ~IFF_ALLMULTI; 421 422 /* 423 * Also include the broadcast address in the filter 424 * so we can receive broadcast frames. 425 */ 426 if (ifp->if_flags & IFF_BROADCAST) { 427 h = cue_crc(etherbroadcastaddr); 428 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 429 } 430 431 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 432 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 433 } 434 435 Static void 436 cue_reset(struct cue_softc *sc) 437 { 438 usb_device_request_t req; 439 usbd_status err; 440 441 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 442 443 if (sc->cue_dying) 444 return; 445 446 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 447 req.bRequest = CUE_CMD_RESET; 448 USETW(req.wValue, 0); 449 USETW(req.wIndex, 0); 450 USETW(req.wLength, 0); 451 452 err = usbd_do_request(sc->cue_udev, &req, NULL); 453 454 if (err) 455 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 456 457 /* Wait a little while for the chip to get its brains in order. */ 458 usbd_delay_ms(sc->cue_udev, 1); 459 } 460 461 /* 462 * Probe for a CATC chip. 463 */ 464 USB_MATCH(cue) 465 { 466 USB_MATCH_START(cue, uaa); 467 468 return (cue_lookup(uaa->vendor, uaa->product) != NULL ? 469 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 470 } 471 472 /* 473 * Attach the interface. Allocate softc structures, do ifmedia 474 * setup and ethernet/BPF attach. 475 */ 476 USB_ATTACH(cue) 477 { 478 USB_ATTACH_START(cue, sc, uaa); 479 char *devinfop; 480 int s; 481 u_char eaddr[ETHER_ADDR_LEN]; 482 usbd_device_handle dev = uaa->device; 483 usbd_interface_handle iface; 484 usbd_status err; 485 struct ifnet *ifp; 486 usb_interface_descriptor_t *id; 487 usb_endpoint_descriptor_t *ed; 488 int i; 489 490 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 491 492 devinfop = usbd_devinfo_alloc(dev, 0); 493 USB_ATTACH_SETUP; 494 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfop); 495 usbd_devinfo_free(devinfop); 496 497 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 498 if (err) { 499 printf("%s: setting config no failed\n", 500 USBDEVNAME(sc->cue_dev)); 501 USB_ATTACH_ERROR_RETURN; 502 } 503 504 sc->cue_udev = dev; 505 sc->cue_product = uaa->product; 506 sc->cue_vendor = uaa->vendor; 507 508 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 509 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 510 511 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 512 if (err) { 513 printf("%s: getting interface handle failed\n", 514 USBDEVNAME(sc->cue_dev)); 515 USB_ATTACH_ERROR_RETURN; 516 } 517 518 sc->cue_iface = iface; 519 id = usbd_get_interface_descriptor(iface); 520 521 /* Find endpoints. */ 522 for (i = 0; i < id->bNumEndpoints; i++) { 523 ed = usbd_interface2endpoint_descriptor(iface, i); 524 if (ed == NULL) { 525 printf("%s: couldn't get ep %d\n", 526 USBDEVNAME(sc->cue_dev), i); 527 USB_ATTACH_ERROR_RETURN; 528 } 529 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 530 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 531 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 532 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 533 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 534 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 535 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 536 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 537 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 538 } 539 } 540 541 #if 0 542 /* Reset the adapter. */ 543 cue_reset(sc); 544 #endif 545 /* 546 * Get station address. 547 */ 548 cue_getmac(sc, &eaddr); 549 550 s = splnet(); 551 552 /* 553 * A CATC chip was detected. Inform the world. 554 */ 555 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 556 ether_sprintf(eaddr)); 557 558 /* Initialize interface info.*/ 559 ifp = GET_IFP(sc); 560 ifp->if_softc = sc; 561 ifp->if_mtu = ETHERMTU; 562 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 563 ifp->if_ioctl = cue_ioctl; 564 ifp->if_start = cue_start; 565 ifp->if_watchdog = cue_watchdog; 566 #if defined(__OpenBSD__) 567 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 568 #endif 569 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 570 571 IFQ_SET_READY(&ifp->if_snd); 572 573 /* Attach the interface. */ 574 if_attach(ifp); 575 Ether_ifattach(ifp, eaddr); 576 #if NRND > 0 577 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 578 RND_TYPE_NET, 0); 579 #endif 580 581 usb_callout_init(sc->cue_stat_ch); 582 583 sc->cue_attached = 1; 584 splx(s); 585 586 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 587 USBDEV(sc->cue_dev)); 588 589 USB_ATTACH_SUCCESS_RETURN; 590 } 591 592 USB_DETACH(cue) 593 { 594 USB_DETACH_START(cue, sc); 595 struct ifnet *ifp = GET_IFP(sc); 596 int s; 597 598 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 599 600 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 601 /* 602 * Remove any pending task. It cannot be executing because it run 603 * in the same thread as detach. 604 */ 605 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 606 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 607 608 if (!sc->cue_attached) { 609 /* Detached before attached finished, so just bail out. */ 610 return (0); 611 } 612 613 s = splusb(); 614 615 if (ifp->if_flags & IFF_RUNNING) 616 cue_stop(sc); 617 618 #if defined(__NetBSD__) 619 #if NRND > 0 620 rnd_detach_source(&sc->rnd_source); 621 #endif 622 ether_ifdetach(ifp); 623 #endif /* __NetBSD__ */ 624 625 if_detach(ifp); 626 627 #ifdef DIAGNOSTIC 628 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 629 sc->cue_ep[CUE_ENDPT_RX] != NULL || 630 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 631 printf("%s: detach has active endpoints\n", 632 USBDEVNAME(sc->cue_dev)); 633 #endif 634 635 sc->cue_attached = 0; 636 splx(s); 637 638 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 639 USBDEV(sc->cue_dev)); 640 641 return (0); 642 } 643 644 int 645 cue_activate(device_ptr_t self, enum devact act) 646 { 647 struct cue_softc *sc = (struct cue_softc *)self; 648 649 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 650 651 switch (act) { 652 case DVACT_ACTIVATE: 653 return (EOPNOTSUPP); 654 break; 655 656 case DVACT_DEACTIVATE: 657 /* Deactivate the interface. */ 658 if_deactivate(&sc->cue_ec.ec_if); 659 sc->cue_dying = 1; 660 break; 661 } 662 return (0); 663 } 664 665 /* 666 * Initialize an RX descriptor and attach an MBUF cluster. 667 */ 668 Static int 669 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 670 { 671 struct mbuf *m_new = NULL; 672 673 if (m == NULL) { 674 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 675 if (m_new == NULL) { 676 printf("%s: no memory for rx list " 677 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 678 return (ENOBUFS); 679 } 680 681 MCLGET(m_new, M_DONTWAIT); 682 if (!(m_new->m_flags & M_EXT)) { 683 printf("%s: no memory for rx list " 684 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 685 m_freem(m_new); 686 return (ENOBUFS); 687 } 688 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 689 } else { 690 m_new = m; 691 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 692 m_new->m_data = m_new->m_ext.ext_buf; 693 } 694 695 m_adj(m_new, ETHER_ALIGN); 696 c->cue_mbuf = m_new; 697 698 return (0); 699 } 700 701 Static int 702 cue_rx_list_init(struct cue_softc *sc) 703 { 704 struct cue_cdata *cd; 705 struct cue_chain *c; 706 int i; 707 708 cd = &sc->cue_cdata; 709 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 710 c = &cd->cue_rx_chain[i]; 711 c->cue_sc = sc; 712 c->cue_idx = i; 713 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 714 return (ENOBUFS); 715 if (c->cue_xfer == NULL) { 716 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 717 if (c->cue_xfer == NULL) 718 return (ENOBUFS); 719 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 720 if (c->cue_buf == NULL) { 721 usbd_free_xfer(c->cue_xfer); 722 return (ENOBUFS); 723 } 724 } 725 } 726 727 return (0); 728 } 729 730 Static int 731 cue_tx_list_init(struct cue_softc *sc) 732 { 733 struct cue_cdata *cd; 734 struct cue_chain *c; 735 int i; 736 737 cd = &sc->cue_cdata; 738 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 739 c = &cd->cue_tx_chain[i]; 740 c->cue_sc = sc; 741 c->cue_idx = i; 742 c->cue_mbuf = NULL; 743 if (c->cue_xfer == NULL) { 744 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 745 if (c->cue_xfer == NULL) 746 return (ENOBUFS); 747 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 748 if (c->cue_buf == NULL) { 749 usbd_free_xfer(c->cue_xfer); 750 return (ENOBUFS); 751 } 752 } 753 } 754 755 return (0); 756 } 757 758 /* 759 * A frame has been uploaded: pass the resulting mbuf chain up to 760 * the higher level protocols. 761 */ 762 Static void 763 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 764 { 765 struct cue_chain *c = priv; 766 struct cue_softc *sc = c->cue_sc; 767 struct ifnet *ifp = GET_IFP(sc); 768 struct mbuf *m; 769 int total_len = 0; 770 u_int16_t len; 771 int s; 772 773 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 774 __func__, status)); 775 776 if (sc->cue_dying) 777 return; 778 779 if (!(ifp->if_flags & IFF_RUNNING)) 780 return; 781 782 if (status != USBD_NORMAL_COMPLETION) { 783 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 784 return; 785 sc->cue_rx_errs++; 786 if (usbd_ratecheck(&sc->cue_rx_notice)) { 787 printf("%s: %u usb errors on rx: %s\n", 788 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 789 usbd_errstr(status)); 790 sc->cue_rx_errs = 0; 791 } 792 if (status == USBD_STALLED) 793 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 794 goto done; 795 } 796 797 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 798 799 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 800 801 m = c->cue_mbuf; 802 len = UGETW(mtod(m, u_int8_t *)); 803 804 /* No errors; receive the packet. */ 805 total_len = len; 806 807 if (len < sizeof(struct ether_header)) { 808 ifp->if_ierrors++; 809 goto done; 810 } 811 812 ifp->if_ipackets++; 813 m_adj(m, sizeof(u_int16_t)); 814 m->m_pkthdr.len = m->m_len = total_len; 815 816 m->m_pkthdr.rcvif = ifp; 817 818 s = splnet(); 819 820 /* XXX ugly */ 821 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 822 ifp->if_ierrors++; 823 goto done1; 824 } 825 826 #if NBPFILTER > 0 827 /* 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 if (ifp->if_bpf) 834 BPF_MTAP(ifp, m); 835 #endif 836 837 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 838 __func__, m->m_len)); 839 IF_INPUT(ifp, m); 840 done1: 841 splx(s); 842 843 done: 844 /* Setup new transfer. */ 845 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 846 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 847 USBD_NO_TIMEOUT, cue_rxeof); 848 usbd_transfer(c->cue_xfer); 849 850 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 851 __func__)); 852 } 853 854 /* 855 * A frame was downloaded to the chip. It's safe for us to clean up 856 * the list buffers. 857 */ 858 Static void 859 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 860 usbd_status status) 861 { 862 struct cue_chain *c = priv; 863 struct cue_softc *sc = c->cue_sc; 864 struct ifnet *ifp = GET_IFP(sc); 865 int s; 866 867 if (sc->cue_dying) 868 return; 869 870 s = splnet(); 871 872 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 873 __func__, status)); 874 875 ifp->if_timer = 0; 876 ifp->if_flags &= ~IFF_OACTIVE; 877 878 if (status != USBD_NORMAL_COMPLETION) { 879 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 880 splx(s); 881 return; 882 } 883 ifp->if_oerrors++; 884 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 885 usbd_errstr(status)); 886 if (status == USBD_STALLED) 887 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 888 splx(s); 889 return; 890 } 891 892 ifp->if_opackets++; 893 894 m_freem(c->cue_mbuf); 895 c->cue_mbuf = NULL; 896 897 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 898 cue_start(ifp); 899 900 splx(s); 901 } 902 903 Static void 904 cue_tick(void *xsc) 905 { 906 struct cue_softc *sc = xsc; 907 908 if (sc == NULL) 909 return; 910 911 if (sc->cue_dying) 912 return; 913 914 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 915 916 /* Perform statistics update in process context. */ 917 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 918 } 919 920 Static void 921 cue_tick_task(void *xsc) 922 { 923 struct cue_softc *sc = xsc; 924 struct ifnet *ifp; 925 926 if (sc->cue_dying) 927 return; 928 929 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 930 931 ifp = GET_IFP(sc); 932 933 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 934 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 935 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 936 937 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 938 ifp->if_ierrors++; 939 } 940 941 Static int 942 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 943 { 944 int total_len; 945 struct cue_chain *c; 946 usbd_status err; 947 948 c = &sc->cue_cdata.cue_tx_chain[idx]; 949 950 /* 951 * Copy the mbuf data into a contiguous buffer, leaving two 952 * bytes at the beginning to hold the frame length. 953 */ 954 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 955 c->cue_mbuf = m; 956 957 total_len = m->m_pkthdr.len + 2; 958 959 DPRINTFN(10,("%s: %s: total_len=%d\n", 960 USBDEVNAME(sc->cue_dev), __func__, total_len)); 961 962 /* The first two bytes are the frame length */ 963 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 964 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 965 966 /* XXX 10000 */ 967 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 968 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 969 970 /* Transmit */ 971 err = usbd_transfer(c->cue_xfer); 972 if (err != USBD_IN_PROGRESS) { 973 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 974 usbd_errstr(err)); 975 /* Stop the interface from process context. */ 976 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 977 USB_TASKQ_DRIVER); 978 return (EIO); 979 } 980 981 sc->cue_cdata.cue_tx_cnt++; 982 983 return (0); 984 } 985 986 Static void 987 cue_start(struct ifnet *ifp) 988 { 989 struct cue_softc *sc = ifp->if_softc; 990 struct mbuf *m_head = NULL; 991 992 if (sc->cue_dying) 993 return; 994 995 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 996 997 if (ifp->if_flags & IFF_OACTIVE) 998 return; 999 1000 IFQ_POLL(&ifp->if_snd, m_head); 1001 if (m_head == NULL) 1002 return; 1003 1004 if (cue_send(sc, m_head, 0)) { 1005 ifp->if_flags |= IFF_OACTIVE; 1006 return; 1007 } 1008 1009 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1010 1011 #if NBPFILTER > 0 1012 /* 1013 * If there's a BPF listener, bounce a copy of this frame 1014 * to him. 1015 */ 1016 if (ifp->if_bpf) 1017 BPF_MTAP(ifp, m_head); 1018 #endif 1019 1020 ifp->if_flags |= IFF_OACTIVE; 1021 1022 /* 1023 * Set a timeout in case the chip goes out to lunch. 1024 */ 1025 ifp->if_timer = 5; 1026 } 1027 1028 Static void 1029 cue_init(void *xsc) 1030 { 1031 struct cue_softc *sc = xsc; 1032 struct ifnet *ifp = GET_IFP(sc); 1033 int i, s, ctl; 1034 const u_char *eaddr; 1035 1036 if (sc->cue_dying) 1037 return; 1038 1039 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1040 1041 if (ifp->if_flags & IFF_RUNNING) 1042 return; 1043 1044 s = splnet(); 1045 1046 /* 1047 * Cancel pending I/O and free all RX/TX buffers. 1048 */ 1049 #if 1 1050 cue_reset(sc); 1051 #endif 1052 1053 /* Set advanced operation modes. */ 1054 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1055 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1056 1057 #if defined(__OpenBSD__) 1058 eaddr = sc->arpcom.ac_enaddr; 1059 #elif defined(__NetBSD__) 1060 eaddr = CLLADDR(ifp->if_sadl); 1061 #endif 1062 /* Set MAC address */ 1063 for (i = 0; i < ETHER_ADDR_LEN; i++) 1064 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1065 1066 /* Enable RX logic. */ 1067 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1068 if (ifp->if_flags & IFF_PROMISC) 1069 ctl |= CUE_ETHCTL_PROMISC; 1070 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1071 1072 /* Init TX ring. */ 1073 if (cue_tx_list_init(sc) == ENOBUFS) { 1074 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1075 splx(s); 1076 return; 1077 } 1078 1079 /* Init RX ring. */ 1080 if (cue_rx_list_init(sc) == ENOBUFS) { 1081 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1082 splx(s); 1083 return; 1084 } 1085 1086 /* Load the multicast filter. */ 1087 cue_setmulti(sc); 1088 1089 /* 1090 * Set the number of RX and TX buffers that we want 1091 * to reserve inside the ASIC. 1092 */ 1093 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1094 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1095 1096 /* Set advanced operation modes. */ 1097 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1098 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1099 1100 /* Program the LED operation. */ 1101 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1102 1103 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1104 if (cue_open_pipes(sc)) { 1105 splx(s); 1106 return; 1107 } 1108 } 1109 1110 ifp->if_flags |= IFF_RUNNING; 1111 ifp->if_flags &= ~IFF_OACTIVE; 1112 1113 splx(s); 1114 1115 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1116 } 1117 1118 Static int 1119 cue_open_pipes(struct cue_softc *sc) 1120 { 1121 struct cue_chain *c; 1122 usbd_status err; 1123 int i; 1124 1125 /* Open RX and TX pipes. */ 1126 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1127 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1128 if (err) { 1129 printf("%s: open rx pipe failed: %s\n", 1130 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1131 return (EIO); 1132 } 1133 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1134 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1135 if (err) { 1136 printf("%s: open tx pipe failed: %s\n", 1137 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1138 return (EIO); 1139 } 1140 1141 /* Start up the receive pipe. */ 1142 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1143 c = &sc->cue_cdata.cue_rx_chain[i]; 1144 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1145 c, c->cue_buf, CUE_BUFSZ, 1146 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1147 cue_rxeof); 1148 usbd_transfer(c->cue_xfer); 1149 } 1150 1151 return (0); 1152 } 1153 1154 Static int 1155 cue_ioctl(struct ifnet *ifp, u_long command, void *data) 1156 { 1157 struct cue_softc *sc = ifp->if_softc; 1158 struct ifaddr *ifa = (struct ifaddr *)data; 1159 struct ifreq *ifr = (struct ifreq *)data; 1160 int s, error = 0; 1161 1162 if (sc->cue_dying) 1163 return (EIO); 1164 1165 s = splnet(); 1166 1167 switch(command) { 1168 case SIOCSIFADDR: 1169 ifp->if_flags |= IFF_UP; 1170 cue_init(sc); 1171 1172 switch (ifa->ifa_addr->sa_family) { 1173 #ifdef INET 1174 case AF_INET: 1175 #if defined(__NetBSD__) 1176 arp_ifinit(ifp, ifa); 1177 #else 1178 arp_ifinit(&sc->arpcom, ifa); 1179 #endif 1180 break; 1181 #endif /* INET */ 1182 } 1183 break; 1184 1185 case SIOCSIFMTU: 1186 if (ifr->ifr_mtu > ETHERMTU) 1187 error = EINVAL; 1188 else 1189 ifp->if_mtu = ifr->ifr_mtu; 1190 break; 1191 1192 case SIOCSIFFLAGS: 1193 if (ifp->if_flags & IFF_UP) { 1194 if (ifp->if_flags & IFF_RUNNING && 1195 ifp->if_flags & IFF_PROMISC && 1196 !(sc->cue_if_flags & IFF_PROMISC)) { 1197 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1198 cue_setmulti(sc); 1199 } else if (ifp->if_flags & IFF_RUNNING && 1200 !(ifp->if_flags & IFF_PROMISC) && 1201 sc->cue_if_flags & IFF_PROMISC) { 1202 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1203 cue_setmulti(sc); 1204 } else if (!(ifp->if_flags & IFF_RUNNING)) 1205 cue_init(sc); 1206 } else { 1207 if (ifp->if_flags & IFF_RUNNING) 1208 cue_stop(sc); 1209 } 1210 sc->cue_if_flags = ifp->if_flags; 1211 error = 0; 1212 break; 1213 case SIOCADDMULTI: 1214 case SIOCDELMULTI: 1215 cue_setmulti(sc); 1216 error = 0; 1217 break; 1218 default: 1219 error = EINVAL; 1220 break; 1221 } 1222 1223 splx(s); 1224 1225 return (error); 1226 } 1227 1228 Static void 1229 cue_watchdog(struct ifnet *ifp) 1230 { 1231 struct cue_softc *sc = ifp->if_softc; 1232 struct cue_chain *c; 1233 usbd_status stat; 1234 int s; 1235 1236 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1237 1238 if (sc->cue_dying) 1239 return; 1240 1241 ifp->if_oerrors++; 1242 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1243 1244 s = splusb(); 1245 c = &sc->cue_cdata.cue_tx_chain[0]; 1246 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1247 cue_txeof(c->cue_xfer, c, stat); 1248 1249 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1250 cue_start(ifp); 1251 splx(s); 1252 } 1253 1254 /* 1255 * Stop the adapter and free any mbufs allocated to the 1256 * RX and TX lists. 1257 */ 1258 Static void 1259 cue_stop(struct cue_softc *sc) 1260 { 1261 usbd_status err; 1262 struct ifnet *ifp; 1263 int i; 1264 1265 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1266 1267 ifp = GET_IFP(sc); 1268 ifp->if_timer = 0; 1269 1270 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1271 cue_reset(sc); 1272 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1273 1274 /* Stop transfers. */ 1275 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1276 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1277 if (err) { 1278 printf("%s: abort rx pipe failed: %s\n", 1279 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1280 } 1281 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1282 if (err) { 1283 printf("%s: close rx pipe failed: %s\n", 1284 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1285 } 1286 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1287 } 1288 1289 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1290 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1291 if (err) { 1292 printf("%s: abort tx pipe failed: %s\n", 1293 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1294 } 1295 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1296 if (err) { 1297 printf("%s: close tx pipe failed: %s\n", 1298 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1299 } 1300 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1301 } 1302 1303 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1304 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1305 if (err) { 1306 printf("%s: abort intr pipe failed: %s\n", 1307 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1308 } 1309 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1310 if (err) { 1311 printf("%s: close intr pipe failed: %s\n", 1312 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1313 } 1314 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1315 } 1316 1317 /* Free RX resources. */ 1318 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1319 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1320 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1321 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1322 } 1323 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1324 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1325 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1326 } 1327 } 1328 1329 /* Free TX resources. */ 1330 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1331 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1332 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1333 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1334 } 1335 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1336 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1337 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1338 } 1339 } 1340 1341 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1342 } 1343