1 /* $NetBSD: if_cue.c,v 1.56 2009/12/06 20:20:12 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 1.56 2009/12/06 20:20:12 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 sc->cue_dev = self; 493 494 aprint_naive("\n"); 495 aprint_normal("\n"); 496 497 devinfop = usbd_devinfo_alloc(dev, 0); 498 aprint_normal_dev(self, "%s\n", devinfop); 499 usbd_devinfo_free(devinfop); 500 501 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 502 if (err) { 503 aprint_error_dev(self, "setting config no failed\n"); 504 USB_ATTACH_ERROR_RETURN; 505 } 506 507 sc->cue_udev = dev; 508 sc->cue_product = uaa->product; 509 sc->cue_vendor = uaa->vendor; 510 511 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 512 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 513 514 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 515 if (err) { 516 aprint_error_dev(self, "getting interface handle failed\n"); 517 USB_ATTACH_ERROR_RETURN; 518 } 519 520 sc->cue_iface = iface; 521 id = usbd_get_interface_descriptor(iface); 522 523 /* Find endpoints. */ 524 for (i = 0; i < id->bNumEndpoints; i++) { 525 ed = usbd_interface2endpoint_descriptor(iface, i); 526 if (ed == NULL) { 527 aprint_error_dev(self, "couldn't get ep %d\n", i); 528 USB_ATTACH_ERROR_RETURN; 529 } 530 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 531 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 532 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 533 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 534 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 535 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 536 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 537 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 538 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 539 } 540 } 541 542 #if 0 543 /* Reset the adapter. */ 544 cue_reset(sc); 545 #endif 546 /* 547 * Get station address. 548 */ 549 cue_getmac(sc, &eaddr); 550 551 s = splnet(); 552 553 /* 554 * A CATC chip was detected. Inform the world. 555 */ 556 aprint_normal_dev(self, "Ethernet address %s\n", 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 aprint_debug_dev(self, "detach has active endpoints\n"); 632 #endif 633 634 sc->cue_attached = 0; 635 splx(s); 636 637 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 638 USBDEV(sc->cue_dev)); 639 640 return (0); 641 } 642 643 int 644 cue_activate(device_ptr_t self, enum devact act) 645 { 646 struct cue_softc *sc = device_private(self); 647 648 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 649 650 switch (act) { 651 case DVACT_DEACTIVATE: 652 /* Deactivate the interface. */ 653 if_deactivate(&sc->cue_ec.ec_if); 654 sc->cue_dying = 1; 655 return 0; 656 default: 657 return EOPNOTSUPP; 658 } 659 } 660 661 /* 662 * Initialize an RX descriptor and attach an MBUF cluster. 663 */ 664 Static int 665 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 666 { 667 struct mbuf *m_new = NULL; 668 669 if (m == NULL) { 670 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 671 if (m_new == NULL) { 672 printf("%s: no memory for rx list " 673 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 674 return (ENOBUFS); 675 } 676 677 MCLGET(m_new, M_DONTWAIT); 678 if (!(m_new->m_flags & M_EXT)) { 679 printf("%s: no memory for rx list " 680 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 681 m_freem(m_new); 682 return (ENOBUFS); 683 } 684 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 685 } else { 686 m_new = m; 687 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 688 m_new->m_data = m_new->m_ext.ext_buf; 689 } 690 691 m_adj(m_new, ETHER_ALIGN); 692 c->cue_mbuf = m_new; 693 694 return (0); 695 } 696 697 Static int 698 cue_rx_list_init(struct cue_softc *sc) 699 { 700 struct cue_cdata *cd; 701 struct cue_chain *c; 702 int i; 703 704 cd = &sc->cue_cdata; 705 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 706 c = &cd->cue_rx_chain[i]; 707 c->cue_sc = sc; 708 c->cue_idx = i; 709 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 710 return (ENOBUFS); 711 if (c->cue_xfer == NULL) { 712 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 713 if (c->cue_xfer == NULL) 714 return (ENOBUFS); 715 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 716 if (c->cue_buf == NULL) { 717 usbd_free_xfer(c->cue_xfer); 718 return (ENOBUFS); 719 } 720 } 721 } 722 723 return (0); 724 } 725 726 Static int 727 cue_tx_list_init(struct cue_softc *sc) 728 { 729 struct cue_cdata *cd; 730 struct cue_chain *c; 731 int i; 732 733 cd = &sc->cue_cdata; 734 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 735 c = &cd->cue_tx_chain[i]; 736 c->cue_sc = sc; 737 c->cue_idx = i; 738 c->cue_mbuf = NULL; 739 if (c->cue_xfer == NULL) { 740 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 741 if (c->cue_xfer == NULL) 742 return (ENOBUFS); 743 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 744 if (c->cue_buf == NULL) { 745 usbd_free_xfer(c->cue_xfer); 746 return (ENOBUFS); 747 } 748 } 749 } 750 751 return (0); 752 } 753 754 /* 755 * A frame has been uploaded: pass the resulting mbuf chain up to 756 * the higher level protocols. 757 */ 758 Static void 759 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 760 { 761 struct cue_chain *c = priv; 762 struct cue_softc *sc = c->cue_sc; 763 struct ifnet *ifp = GET_IFP(sc); 764 struct mbuf *m; 765 int total_len = 0; 766 u_int16_t len; 767 int s; 768 769 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 770 __func__, status)); 771 772 if (sc->cue_dying) 773 return; 774 775 if (!(ifp->if_flags & IFF_RUNNING)) 776 return; 777 778 if (status != USBD_NORMAL_COMPLETION) { 779 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 780 return; 781 sc->cue_rx_errs++; 782 if (usbd_ratecheck(&sc->cue_rx_notice)) { 783 printf("%s: %u usb errors on rx: %s\n", 784 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 785 usbd_errstr(status)); 786 sc->cue_rx_errs = 0; 787 } 788 if (status == USBD_STALLED) 789 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 790 goto done; 791 } 792 793 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 794 795 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 796 797 m = c->cue_mbuf; 798 len = UGETW(mtod(m, u_int8_t *)); 799 800 /* No errors; receive the packet. */ 801 total_len = len; 802 803 if (len < sizeof(struct ether_header)) { 804 ifp->if_ierrors++; 805 goto done; 806 } 807 808 ifp->if_ipackets++; 809 m_adj(m, sizeof(u_int16_t)); 810 m->m_pkthdr.len = m->m_len = total_len; 811 812 m->m_pkthdr.rcvif = ifp; 813 814 s = splnet(); 815 816 /* XXX ugly */ 817 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 818 ifp->if_ierrors++; 819 goto done1; 820 } 821 822 #if NBPFILTER > 0 823 /* 824 * Handle BPF listeners. Let the BPF user see the packet, but 825 * don't pass it up to the ether_input() layer unless it's 826 * a broadcast packet, multicast packet, matches our ethernet 827 * address or the interface is in promiscuous mode. 828 */ 829 if (ifp->if_bpf) 830 BPF_MTAP(ifp, m); 831 #endif 832 833 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 834 __func__, m->m_len)); 835 IF_INPUT(ifp, m); 836 done1: 837 splx(s); 838 839 done: 840 /* Setup new transfer. */ 841 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 842 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 843 USBD_NO_TIMEOUT, cue_rxeof); 844 usbd_transfer(c->cue_xfer); 845 846 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 847 __func__)); 848 } 849 850 /* 851 * A frame was downloaded to the chip. It's safe for us to clean up 852 * the list buffers. 853 */ 854 Static void 855 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 856 usbd_status status) 857 { 858 struct cue_chain *c = priv; 859 struct cue_softc *sc = c->cue_sc; 860 struct ifnet *ifp = GET_IFP(sc); 861 int s; 862 863 if (sc->cue_dying) 864 return; 865 866 s = splnet(); 867 868 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 869 __func__, status)); 870 871 ifp->if_timer = 0; 872 ifp->if_flags &= ~IFF_OACTIVE; 873 874 if (status != USBD_NORMAL_COMPLETION) { 875 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 876 splx(s); 877 return; 878 } 879 ifp->if_oerrors++; 880 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 881 usbd_errstr(status)); 882 if (status == USBD_STALLED) 883 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 884 splx(s); 885 return; 886 } 887 888 ifp->if_opackets++; 889 890 m_freem(c->cue_mbuf); 891 c->cue_mbuf = NULL; 892 893 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 894 cue_start(ifp); 895 896 splx(s); 897 } 898 899 Static void 900 cue_tick(void *xsc) 901 { 902 struct cue_softc *sc = xsc; 903 904 if (sc == NULL) 905 return; 906 907 if (sc->cue_dying) 908 return; 909 910 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 911 912 /* Perform statistics update in process context. */ 913 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 914 } 915 916 Static void 917 cue_tick_task(void *xsc) 918 { 919 struct cue_softc *sc = xsc; 920 struct ifnet *ifp; 921 922 if (sc->cue_dying) 923 return; 924 925 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 926 927 ifp = GET_IFP(sc); 928 929 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 930 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 931 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 932 933 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 934 ifp->if_ierrors++; 935 } 936 937 Static int 938 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 939 { 940 int total_len; 941 struct cue_chain *c; 942 usbd_status err; 943 944 c = &sc->cue_cdata.cue_tx_chain[idx]; 945 946 /* 947 * Copy the mbuf data into a contiguous buffer, leaving two 948 * bytes at the beginning to hold the frame length. 949 */ 950 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 951 c->cue_mbuf = m; 952 953 total_len = m->m_pkthdr.len + 2; 954 955 DPRINTFN(10,("%s: %s: total_len=%d\n", 956 USBDEVNAME(sc->cue_dev), __func__, total_len)); 957 958 /* The first two bytes are the frame length */ 959 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 960 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 961 962 /* XXX 10000 */ 963 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 964 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 965 966 /* Transmit */ 967 err = usbd_transfer(c->cue_xfer); 968 if (err != USBD_IN_PROGRESS) { 969 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 970 usbd_errstr(err)); 971 /* Stop the interface from process context. */ 972 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 973 USB_TASKQ_DRIVER); 974 return (EIO); 975 } 976 977 sc->cue_cdata.cue_tx_cnt++; 978 979 return (0); 980 } 981 982 Static void 983 cue_start(struct ifnet *ifp) 984 { 985 struct cue_softc *sc = ifp->if_softc; 986 struct mbuf *m_head = NULL; 987 988 if (sc->cue_dying) 989 return; 990 991 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 992 993 if (ifp->if_flags & IFF_OACTIVE) 994 return; 995 996 IFQ_POLL(&ifp->if_snd, m_head); 997 if (m_head == NULL) 998 return; 999 1000 if (cue_send(sc, m_head, 0)) { 1001 ifp->if_flags |= IFF_OACTIVE; 1002 return; 1003 } 1004 1005 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1006 1007 #if NBPFILTER > 0 1008 /* 1009 * If there's a BPF listener, bounce a copy of this frame 1010 * to him. 1011 */ 1012 if (ifp->if_bpf) 1013 BPF_MTAP(ifp, m_head); 1014 #endif 1015 1016 ifp->if_flags |= IFF_OACTIVE; 1017 1018 /* 1019 * Set a timeout in case the chip goes out to lunch. 1020 */ 1021 ifp->if_timer = 5; 1022 } 1023 1024 Static void 1025 cue_init(void *xsc) 1026 { 1027 struct cue_softc *sc = xsc; 1028 struct ifnet *ifp = GET_IFP(sc); 1029 int i, s, ctl; 1030 const u_char *eaddr; 1031 1032 if (sc->cue_dying) 1033 return; 1034 1035 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1036 1037 if (ifp->if_flags & IFF_RUNNING) 1038 return; 1039 1040 s = splnet(); 1041 1042 /* 1043 * Cancel pending I/O and free all RX/TX buffers. 1044 */ 1045 #if 1 1046 cue_reset(sc); 1047 #endif 1048 1049 /* Set advanced operation modes. */ 1050 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1051 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1052 1053 #if defined(__OpenBSD__) 1054 eaddr = sc->arpcom.ac_enaddr; 1055 #elif defined(__NetBSD__) 1056 eaddr = CLLADDR(ifp->if_sadl); 1057 #endif 1058 /* Set MAC address */ 1059 for (i = 0; i < ETHER_ADDR_LEN; i++) 1060 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1061 1062 /* Enable RX logic. */ 1063 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1064 if (ifp->if_flags & IFF_PROMISC) 1065 ctl |= CUE_ETHCTL_PROMISC; 1066 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1067 1068 /* Init TX ring. */ 1069 if (cue_tx_list_init(sc) == ENOBUFS) { 1070 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1071 splx(s); 1072 return; 1073 } 1074 1075 /* Init RX ring. */ 1076 if (cue_rx_list_init(sc) == ENOBUFS) { 1077 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1078 splx(s); 1079 return; 1080 } 1081 1082 /* Load the multicast filter. */ 1083 cue_setmulti(sc); 1084 1085 /* 1086 * Set the number of RX and TX buffers that we want 1087 * to reserve inside the ASIC. 1088 */ 1089 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1090 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1091 1092 /* Set advanced operation modes. */ 1093 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1094 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1095 1096 /* Program the LED operation. */ 1097 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1098 1099 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1100 if (cue_open_pipes(sc)) { 1101 splx(s); 1102 return; 1103 } 1104 } 1105 1106 ifp->if_flags |= IFF_RUNNING; 1107 ifp->if_flags &= ~IFF_OACTIVE; 1108 1109 splx(s); 1110 1111 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1112 } 1113 1114 Static int 1115 cue_open_pipes(struct cue_softc *sc) 1116 { 1117 struct cue_chain *c; 1118 usbd_status err; 1119 int i; 1120 1121 /* Open RX and TX pipes. */ 1122 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1123 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1124 if (err) { 1125 printf("%s: open rx pipe failed: %s\n", 1126 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1127 return (EIO); 1128 } 1129 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1130 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1131 if (err) { 1132 printf("%s: open tx pipe failed: %s\n", 1133 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1134 return (EIO); 1135 } 1136 1137 /* Start up the receive pipe. */ 1138 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1139 c = &sc->cue_cdata.cue_rx_chain[i]; 1140 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1141 c, c->cue_buf, CUE_BUFSZ, 1142 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1143 cue_rxeof); 1144 usbd_transfer(c->cue_xfer); 1145 } 1146 1147 return (0); 1148 } 1149 1150 Static int 1151 cue_ioctl(struct ifnet *ifp, u_long command, void *data) 1152 { 1153 struct cue_softc *sc = ifp->if_softc; 1154 struct ifaddr *ifa = (struct ifaddr *)data; 1155 struct ifreq *ifr = (struct ifreq *)data; 1156 int s, error = 0; 1157 1158 if (sc->cue_dying) 1159 return (EIO); 1160 1161 s = splnet(); 1162 1163 switch(command) { 1164 case SIOCINITIFADDR: 1165 ifp->if_flags |= IFF_UP; 1166 cue_init(sc); 1167 1168 switch (ifa->ifa_addr->sa_family) { 1169 #ifdef INET 1170 case AF_INET: 1171 #if defined(__NetBSD__) 1172 arp_ifinit(ifp, ifa); 1173 #else 1174 arp_ifinit(&sc->arpcom, ifa); 1175 #endif 1176 break; 1177 #endif /* INET */ 1178 } 1179 break; 1180 1181 case SIOCSIFMTU: 1182 if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ETHERMTU) 1183 error = EINVAL; 1184 else if ((error = ifioctl_common(ifp, command, data)) == ENETRESET) 1185 error = 0; 1186 break; 1187 1188 case SIOCSIFFLAGS: 1189 if ((error = ifioctl_common(ifp, command, data)) != 0) 1190 break; 1191 if (ifp->if_flags & IFF_UP) { 1192 if (ifp->if_flags & IFF_RUNNING && 1193 ifp->if_flags & IFF_PROMISC && 1194 !(sc->cue_if_flags & IFF_PROMISC)) { 1195 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1196 cue_setmulti(sc); 1197 } else if (ifp->if_flags & IFF_RUNNING && 1198 !(ifp->if_flags & IFF_PROMISC) && 1199 sc->cue_if_flags & IFF_PROMISC) { 1200 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1201 cue_setmulti(sc); 1202 } else if (!(ifp->if_flags & IFF_RUNNING)) 1203 cue_init(sc); 1204 } else { 1205 if (ifp->if_flags & IFF_RUNNING) 1206 cue_stop(sc); 1207 } 1208 sc->cue_if_flags = ifp->if_flags; 1209 error = 0; 1210 break; 1211 case SIOCADDMULTI: 1212 case SIOCDELMULTI: 1213 cue_setmulti(sc); 1214 error = 0; 1215 break; 1216 default: 1217 error = ether_ioctl(ifp, command, data); 1218 break; 1219 } 1220 1221 splx(s); 1222 1223 return (error); 1224 } 1225 1226 Static void 1227 cue_watchdog(struct ifnet *ifp) 1228 { 1229 struct cue_softc *sc = ifp->if_softc; 1230 struct cue_chain *c; 1231 usbd_status stat; 1232 int s; 1233 1234 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1235 1236 if (sc->cue_dying) 1237 return; 1238 1239 ifp->if_oerrors++; 1240 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1241 1242 s = splusb(); 1243 c = &sc->cue_cdata.cue_tx_chain[0]; 1244 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1245 cue_txeof(c->cue_xfer, c, stat); 1246 1247 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1248 cue_start(ifp); 1249 splx(s); 1250 } 1251 1252 /* 1253 * Stop the adapter and free any mbufs allocated to the 1254 * RX and TX lists. 1255 */ 1256 Static void 1257 cue_stop(struct cue_softc *sc) 1258 { 1259 usbd_status err; 1260 struct ifnet *ifp; 1261 int i; 1262 1263 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1264 1265 ifp = GET_IFP(sc); 1266 ifp->if_timer = 0; 1267 1268 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1269 cue_reset(sc); 1270 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1271 1272 /* Stop transfers. */ 1273 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1274 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1275 if (err) { 1276 printf("%s: abort rx pipe failed: %s\n", 1277 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1278 } 1279 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1280 if (err) { 1281 printf("%s: close rx pipe failed: %s\n", 1282 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1283 } 1284 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1285 } 1286 1287 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1288 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1289 if (err) { 1290 printf("%s: abort tx pipe failed: %s\n", 1291 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1292 } 1293 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1294 if (err) { 1295 printf("%s: close tx pipe failed: %s\n", 1296 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1297 } 1298 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1299 } 1300 1301 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1302 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1303 if (err) { 1304 printf("%s: abort intr pipe failed: %s\n", 1305 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1306 } 1307 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1308 if (err) { 1309 printf("%s: close intr pipe failed: %s\n", 1310 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1311 } 1312 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1313 } 1314 1315 /* Free RX resources. */ 1316 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1317 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1318 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1319 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1320 } 1321 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1322 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1323 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1324 } 1325 } 1326 1327 /* Free TX resources. */ 1328 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1329 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1330 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1331 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1332 } 1333 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1334 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1335 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1336 } 1337 } 1338 1339 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1340 } 1341