1 /* $NetBSD: if_cue.c,v 1.54 2008/11/07 00:20:12 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 1.54 2008/11/07 00:20:12 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 devinfop = usbd_devinfo_alloc(dev, 0); 495 USB_ATTACH_SETUP; 496 aprint_normal_dev(self, "%s\n", devinfop); 497 usbd_devinfo_free(devinfop); 498 499 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 500 if (err) { 501 aprint_error_dev(self, "setting config no failed\n"); 502 USB_ATTACH_ERROR_RETURN; 503 } 504 505 sc->cue_udev = dev; 506 sc->cue_product = uaa->product; 507 sc->cue_vendor = uaa->vendor; 508 509 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 510 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 511 512 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 513 if (err) { 514 aprint_error_dev(self, "getting interface handle failed\n"); 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 aprint_error_dev(self, "couldn't get ep %d\n", i); 526 USB_ATTACH_ERROR_RETURN; 527 } 528 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 529 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 530 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 531 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 532 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 533 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 534 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 535 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 536 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 537 } 538 } 539 540 #if 0 541 /* Reset the adapter. */ 542 cue_reset(sc); 543 #endif 544 /* 545 * Get station address. 546 */ 547 cue_getmac(sc, &eaddr); 548 549 s = splnet(); 550 551 /* 552 * A CATC chip was detected. Inform the world. 553 */ 554 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 555 556 /* Initialize interface info.*/ 557 ifp = GET_IFP(sc); 558 ifp->if_softc = sc; 559 ifp->if_mtu = ETHERMTU; 560 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 561 ifp->if_ioctl = cue_ioctl; 562 ifp->if_start = cue_start; 563 ifp->if_watchdog = cue_watchdog; 564 #if defined(__OpenBSD__) 565 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 566 #endif 567 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 568 569 IFQ_SET_READY(&ifp->if_snd); 570 571 /* Attach the interface. */ 572 if_attach(ifp); 573 Ether_ifattach(ifp, eaddr); 574 #if NRND > 0 575 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 576 RND_TYPE_NET, 0); 577 #endif 578 579 usb_callout_init(sc->cue_stat_ch); 580 581 sc->cue_attached = 1; 582 splx(s); 583 584 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 585 USBDEV(sc->cue_dev)); 586 587 USB_ATTACH_SUCCESS_RETURN; 588 } 589 590 USB_DETACH(cue) 591 { 592 USB_DETACH_START(cue, sc); 593 struct ifnet *ifp = GET_IFP(sc); 594 int s; 595 596 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 597 598 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 599 /* 600 * Remove any pending task. It cannot be executing because it run 601 * in the same thread as detach. 602 */ 603 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 604 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 605 606 if (!sc->cue_attached) { 607 /* Detached before attached finished, so just bail out. */ 608 return (0); 609 } 610 611 s = splusb(); 612 613 if (ifp->if_flags & IFF_RUNNING) 614 cue_stop(sc); 615 616 #if defined(__NetBSD__) 617 #if NRND > 0 618 rnd_detach_source(&sc->rnd_source); 619 #endif 620 ether_ifdetach(ifp); 621 #endif /* __NetBSD__ */ 622 623 if_detach(ifp); 624 625 #ifdef DIAGNOSTIC 626 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 627 sc->cue_ep[CUE_ENDPT_RX] != NULL || 628 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 629 aprint_debug_dev(self, "detach has active endpoints\n"); 630 #endif 631 632 sc->cue_attached = 0; 633 splx(s); 634 635 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 636 USBDEV(sc->cue_dev)); 637 638 return (0); 639 } 640 641 int 642 cue_activate(device_ptr_t self, enum devact act) 643 { 644 struct cue_softc *sc = device_private(self); 645 646 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 647 648 switch (act) { 649 case DVACT_ACTIVATE: 650 return (EOPNOTSUPP); 651 break; 652 653 case DVACT_DEACTIVATE: 654 /* Deactivate the interface. */ 655 if_deactivate(&sc->cue_ec.ec_if); 656 sc->cue_dying = 1; 657 break; 658 } 659 return (0); 660 } 661 662 /* 663 * Initialize an RX descriptor and attach an MBUF cluster. 664 */ 665 Static int 666 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 667 { 668 struct mbuf *m_new = NULL; 669 670 if (m == NULL) { 671 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 672 if (m_new == NULL) { 673 printf("%s: no memory for rx list " 674 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 675 return (ENOBUFS); 676 } 677 678 MCLGET(m_new, M_DONTWAIT); 679 if (!(m_new->m_flags & M_EXT)) { 680 printf("%s: no memory for rx list " 681 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 682 m_freem(m_new); 683 return (ENOBUFS); 684 } 685 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 686 } else { 687 m_new = m; 688 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 689 m_new->m_data = m_new->m_ext.ext_buf; 690 } 691 692 m_adj(m_new, ETHER_ALIGN); 693 c->cue_mbuf = m_new; 694 695 return (0); 696 } 697 698 Static int 699 cue_rx_list_init(struct cue_softc *sc) 700 { 701 struct cue_cdata *cd; 702 struct cue_chain *c; 703 int i; 704 705 cd = &sc->cue_cdata; 706 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 707 c = &cd->cue_rx_chain[i]; 708 c->cue_sc = sc; 709 c->cue_idx = i; 710 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 711 return (ENOBUFS); 712 if (c->cue_xfer == NULL) { 713 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 714 if (c->cue_xfer == NULL) 715 return (ENOBUFS); 716 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 717 if (c->cue_buf == NULL) { 718 usbd_free_xfer(c->cue_xfer); 719 return (ENOBUFS); 720 } 721 } 722 } 723 724 return (0); 725 } 726 727 Static int 728 cue_tx_list_init(struct cue_softc *sc) 729 { 730 struct cue_cdata *cd; 731 struct cue_chain *c; 732 int i; 733 734 cd = &sc->cue_cdata; 735 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 736 c = &cd->cue_tx_chain[i]; 737 c->cue_sc = sc; 738 c->cue_idx = i; 739 c->cue_mbuf = NULL; 740 if (c->cue_xfer == NULL) { 741 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 742 if (c->cue_xfer == NULL) 743 return (ENOBUFS); 744 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 745 if (c->cue_buf == NULL) { 746 usbd_free_xfer(c->cue_xfer); 747 return (ENOBUFS); 748 } 749 } 750 } 751 752 return (0); 753 } 754 755 /* 756 * A frame has been uploaded: pass the resulting mbuf chain up to 757 * the higher level protocols. 758 */ 759 Static void 760 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 761 { 762 struct cue_chain *c = priv; 763 struct cue_softc *sc = c->cue_sc; 764 struct ifnet *ifp = GET_IFP(sc); 765 struct mbuf *m; 766 int total_len = 0; 767 u_int16_t len; 768 int s; 769 770 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 771 __func__, status)); 772 773 if (sc->cue_dying) 774 return; 775 776 if (!(ifp->if_flags & IFF_RUNNING)) 777 return; 778 779 if (status != USBD_NORMAL_COMPLETION) { 780 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 781 return; 782 sc->cue_rx_errs++; 783 if (usbd_ratecheck(&sc->cue_rx_notice)) { 784 printf("%s: %u usb errors on rx: %s\n", 785 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 786 usbd_errstr(status)); 787 sc->cue_rx_errs = 0; 788 } 789 if (status == USBD_STALLED) 790 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 791 goto done; 792 } 793 794 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 795 796 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 797 798 m = c->cue_mbuf; 799 len = UGETW(mtod(m, u_int8_t *)); 800 801 /* No errors; receive the packet. */ 802 total_len = len; 803 804 if (len < sizeof(struct ether_header)) { 805 ifp->if_ierrors++; 806 goto done; 807 } 808 809 ifp->if_ipackets++; 810 m_adj(m, sizeof(u_int16_t)); 811 m->m_pkthdr.len = m->m_len = total_len; 812 813 m->m_pkthdr.rcvif = ifp; 814 815 s = splnet(); 816 817 /* XXX ugly */ 818 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 819 ifp->if_ierrors++; 820 goto done1; 821 } 822 823 #if NBPFILTER > 0 824 /* 825 * Handle BPF listeners. Let the BPF user see the packet, but 826 * don't pass it up to the ether_input() layer unless it's 827 * a broadcast packet, multicast packet, matches our ethernet 828 * address or the interface is in promiscuous mode. 829 */ 830 if (ifp->if_bpf) 831 BPF_MTAP(ifp, m); 832 #endif 833 834 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 835 __func__, m->m_len)); 836 IF_INPUT(ifp, m); 837 done1: 838 splx(s); 839 840 done: 841 /* Setup new transfer. */ 842 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 843 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 844 USBD_NO_TIMEOUT, cue_rxeof); 845 usbd_transfer(c->cue_xfer); 846 847 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 848 __func__)); 849 } 850 851 /* 852 * A frame was downloaded to the chip. It's safe for us to clean up 853 * the list buffers. 854 */ 855 Static void 856 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 857 usbd_status status) 858 { 859 struct cue_chain *c = priv; 860 struct cue_softc *sc = c->cue_sc; 861 struct ifnet *ifp = GET_IFP(sc); 862 int s; 863 864 if (sc->cue_dying) 865 return; 866 867 s = splnet(); 868 869 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 870 __func__, status)); 871 872 ifp->if_timer = 0; 873 ifp->if_flags &= ~IFF_OACTIVE; 874 875 if (status != USBD_NORMAL_COMPLETION) { 876 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 877 splx(s); 878 return; 879 } 880 ifp->if_oerrors++; 881 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 882 usbd_errstr(status)); 883 if (status == USBD_STALLED) 884 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 885 splx(s); 886 return; 887 } 888 889 ifp->if_opackets++; 890 891 m_freem(c->cue_mbuf); 892 c->cue_mbuf = NULL; 893 894 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 895 cue_start(ifp); 896 897 splx(s); 898 } 899 900 Static void 901 cue_tick(void *xsc) 902 { 903 struct cue_softc *sc = xsc; 904 905 if (sc == NULL) 906 return; 907 908 if (sc->cue_dying) 909 return; 910 911 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 912 913 /* Perform statistics update in process context. */ 914 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 915 } 916 917 Static void 918 cue_tick_task(void *xsc) 919 { 920 struct cue_softc *sc = xsc; 921 struct ifnet *ifp; 922 923 if (sc->cue_dying) 924 return; 925 926 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 927 928 ifp = GET_IFP(sc); 929 930 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 931 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 932 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 933 934 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 935 ifp->if_ierrors++; 936 } 937 938 Static int 939 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 940 { 941 int total_len; 942 struct cue_chain *c; 943 usbd_status err; 944 945 c = &sc->cue_cdata.cue_tx_chain[idx]; 946 947 /* 948 * Copy the mbuf data into a contiguous buffer, leaving two 949 * bytes at the beginning to hold the frame length. 950 */ 951 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 952 c->cue_mbuf = m; 953 954 total_len = m->m_pkthdr.len + 2; 955 956 DPRINTFN(10,("%s: %s: total_len=%d\n", 957 USBDEVNAME(sc->cue_dev), __func__, total_len)); 958 959 /* The first two bytes are the frame length */ 960 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 961 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 962 963 /* XXX 10000 */ 964 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 965 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 966 967 /* Transmit */ 968 err = usbd_transfer(c->cue_xfer); 969 if (err != USBD_IN_PROGRESS) { 970 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 971 usbd_errstr(err)); 972 /* Stop the interface from process context. */ 973 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 974 USB_TASKQ_DRIVER); 975 return (EIO); 976 } 977 978 sc->cue_cdata.cue_tx_cnt++; 979 980 return (0); 981 } 982 983 Static void 984 cue_start(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", USBDEVNAME(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 #if NBPFILTER > 0 1009 /* 1010 * If there's a BPF listener, bounce a copy of this frame 1011 * to him. 1012 */ 1013 if (ifp->if_bpf) 1014 BPF_MTAP(ifp, m_head); 1015 #endif 1016 1017 ifp->if_flags |= IFF_OACTIVE; 1018 1019 /* 1020 * Set a timeout in case the chip goes out to lunch. 1021 */ 1022 ifp->if_timer = 5; 1023 } 1024 1025 Static void 1026 cue_init(void *xsc) 1027 { 1028 struct cue_softc *sc = xsc; 1029 struct ifnet *ifp = GET_IFP(sc); 1030 int i, s, ctl; 1031 const u_char *eaddr; 1032 1033 if (sc->cue_dying) 1034 return; 1035 1036 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1037 1038 if (ifp->if_flags & IFF_RUNNING) 1039 return; 1040 1041 s = splnet(); 1042 1043 /* 1044 * Cancel pending I/O and free all RX/TX buffers. 1045 */ 1046 #if 1 1047 cue_reset(sc); 1048 #endif 1049 1050 /* Set advanced operation modes. */ 1051 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1052 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1053 1054 #if defined(__OpenBSD__) 1055 eaddr = sc->arpcom.ac_enaddr; 1056 #elif defined(__NetBSD__) 1057 eaddr = CLLADDR(ifp->if_sadl); 1058 #endif 1059 /* Set MAC address */ 1060 for (i = 0; i < ETHER_ADDR_LEN; i++) 1061 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1062 1063 /* Enable RX logic. */ 1064 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1065 if (ifp->if_flags & IFF_PROMISC) 1066 ctl |= CUE_ETHCTL_PROMISC; 1067 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1068 1069 /* Init TX ring. */ 1070 if (cue_tx_list_init(sc) == ENOBUFS) { 1071 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1072 splx(s); 1073 return; 1074 } 1075 1076 /* Init RX ring. */ 1077 if (cue_rx_list_init(sc) == ENOBUFS) { 1078 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1079 splx(s); 1080 return; 1081 } 1082 1083 /* Load the multicast filter. */ 1084 cue_setmulti(sc); 1085 1086 /* 1087 * Set the number of RX and TX buffers that we want 1088 * to reserve inside the ASIC. 1089 */ 1090 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1091 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1092 1093 /* Set advanced operation modes. */ 1094 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1095 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1096 1097 /* Program the LED operation. */ 1098 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1099 1100 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1101 if (cue_open_pipes(sc)) { 1102 splx(s); 1103 return; 1104 } 1105 } 1106 1107 ifp->if_flags |= IFF_RUNNING; 1108 ifp->if_flags &= ~IFF_OACTIVE; 1109 1110 splx(s); 1111 1112 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1113 } 1114 1115 Static int 1116 cue_open_pipes(struct cue_softc *sc) 1117 { 1118 struct cue_chain *c; 1119 usbd_status err; 1120 int i; 1121 1122 /* Open RX and TX pipes. */ 1123 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1124 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1125 if (err) { 1126 printf("%s: open rx pipe failed: %s\n", 1127 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1128 return (EIO); 1129 } 1130 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1131 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1132 if (err) { 1133 printf("%s: open tx pipe failed: %s\n", 1134 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1135 return (EIO); 1136 } 1137 1138 /* Start up the receive pipe. */ 1139 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1140 c = &sc->cue_cdata.cue_rx_chain[i]; 1141 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1142 c, c->cue_buf, CUE_BUFSZ, 1143 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1144 cue_rxeof); 1145 usbd_transfer(c->cue_xfer); 1146 } 1147 1148 return (0); 1149 } 1150 1151 Static int 1152 cue_ioctl(struct ifnet *ifp, u_long command, void *data) 1153 { 1154 struct cue_softc *sc = ifp->if_softc; 1155 struct ifaddr *ifa = (struct ifaddr *)data; 1156 struct ifreq *ifr = (struct ifreq *)data; 1157 int s, error = 0; 1158 1159 if (sc->cue_dying) 1160 return (EIO); 1161 1162 s = splnet(); 1163 1164 switch(command) { 1165 case SIOCINITIFADDR: 1166 ifp->if_flags |= IFF_UP; 1167 cue_init(sc); 1168 1169 switch (ifa->ifa_addr->sa_family) { 1170 #ifdef INET 1171 case AF_INET: 1172 #if defined(__NetBSD__) 1173 arp_ifinit(ifp, ifa); 1174 #else 1175 arp_ifinit(&sc->arpcom, ifa); 1176 #endif 1177 break; 1178 #endif /* INET */ 1179 } 1180 break; 1181 1182 case SIOCSIFMTU: 1183 if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ETHERMTU) 1184 error = EINVAL; 1185 else if ((error = ifioctl_common(ifp, command, data)) == ENETRESET) 1186 error = 0; 1187 break; 1188 1189 case SIOCSIFFLAGS: 1190 if ((error = ifioctl_common(ifp, command, data)) != 0) 1191 break; 1192 if (ifp->if_flags & IFF_UP) { 1193 if (ifp->if_flags & IFF_RUNNING && 1194 ifp->if_flags & IFF_PROMISC && 1195 !(sc->cue_if_flags & IFF_PROMISC)) { 1196 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1197 cue_setmulti(sc); 1198 } else if (ifp->if_flags & IFF_RUNNING && 1199 !(ifp->if_flags & IFF_PROMISC) && 1200 sc->cue_if_flags & IFF_PROMISC) { 1201 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1202 cue_setmulti(sc); 1203 } else if (!(ifp->if_flags & IFF_RUNNING)) 1204 cue_init(sc); 1205 } else { 1206 if (ifp->if_flags & IFF_RUNNING) 1207 cue_stop(sc); 1208 } 1209 sc->cue_if_flags = ifp->if_flags; 1210 error = 0; 1211 break; 1212 case SIOCADDMULTI: 1213 case SIOCDELMULTI: 1214 cue_setmulti(sc); 1215 error = 0; 1216 break; 1217 default: 1218 error = ether_ioctl(ifp, command, data); 1219 break; 1220 } 1221 1222 splx(s); 1223 1224 return (error); 1225 } 1226 1227 Static void 1228 cue_watchdog(struct ifnet *ifp) 1229 { 1230 struct cue_softc *sc = ifp->if_softc; 1231 struct cue_chain *c; 1232 usbd_status stat; 1233 int s; 1234 1235 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1236 1237 if (sc->cue_dying) 1238 return; 1239 1240 ifp->if_oerrors++; 1241 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1242 1243 s = splusb(); 1244 c = &sc->cue_cdata.cue_tx_chain[0]; 1245 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1246 cue_txeof(c->cue_xfer, c, stat); 1247 1248 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1249 cue_start(ifp); 1250 splx(s); 1251 } 1252 1253 /* 1254 * Stop the adapter and free any mbufs allocated to the 1255 * RX and TX lists. 1256 */ 1257 Static void 1258 cue_stop(struct cue_softc *sc) 1259 { 1260 usbd_status err; 1261 struct ifnet *ifp; 1262 int i; 1263 1264 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1265 1266 ifp = GET_IFP(sc); 1267 ifp->if_timer = 0; 1268 1269 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1270 cue_reset(sc); 1271 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1272 1273 /* Stop transfers. */ 1274 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1275 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1276 if (err) { 1277 printf("%s: abort rx pipe failed: %s\n", 1278 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1279 } 1280 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1281 if (err) { 1282 printf("%s: close rx pipe failed: %s\n", 1283 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1284 } 1285 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1286 } 1287 1288 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1289 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1290 if (err) { 1291 printf("%s: abort tx pipe failed: %s\n", 1292 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1293 } 1294 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1295 if (err) { 1296 printf("%s: close tx pipe failed: %s\n", 1297 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1298 } 1299 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1300 } 1301 1302 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1303 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1304 if (err) { 1305 printf("%s: abort intr pipe failed: %s\n", 1306 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1307 } 1308 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1309 if (err) { 1310 printf("%s: close intr pipe failed: %s\n", 1311 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1312 } 1313 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1314 } 1315 1316 /* Free RX resources. */ 1317 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1318 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1319 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1320 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1321 } 1322 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1323 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1324 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1325 } 1326 } 1327 1328 /* Free TX resources. */ 1329 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1330 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1331 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1332 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1333 } 1334 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1335 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1336 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1337 } 1338 } 1339 1340 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1341 } 1342