1 /* $OpenBSD: if_cue.c,v 1.11 2001/10/31 04:24:44 nate Exp $ */ 2 /* $NetBSD: if_cue.c,v 1.35 2001/04/13 23:30:09 thorpej Exp $ */ 3 /* 4 * Copyright (c) 1997, 1998, 1999, 2000 5 * Bill Paul <wpaul@ee.columbia.edu>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $ 35 */ 36 37 /* 38 * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate 39 * adapters and others. 40 * 41 * Written by Bill Paul <wpaul@ee.columbia.edu> 42 * Electrical Engineering Department 43 * Columbia University, New York City 44 */ 45 46 /* 47 * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The 48 * RX filter uses a 512-bit multicast hash table, single perfect entry 49 * for the station address, and promiscuous mode. Unlike the ADMtek 50 * and KLSI chips, the CATC ASIC supports read and write combining 51 * mode where multiple packets can be transferred using a single bulk 52 * transaction, which helps performance a great deal. 53 */ 54 55 /* 56 * Ported to NetBSD and somewhat rewritten by Lennart Augustsson. 57 */ 58 59 #if defined(__NetBSD__) 60 #include "opt_inet.h" 61 #include "opt_ns.h" 62 #include "bpfilter.h" 63 #include "rnd.h" 64 #elif defined(__OpenBSD__) 65 #include "bpfilter.h" 66 #endif /* defined(__OpenBSD__) */ 67 68 #include <sys/param.h> 69 #include <sys/systm.h> 70 #if !defined(__OpenBSD__) 71 #include <sys/callout.h> 72 #endif 73 #include <sys/sockio.h> 74 #include <sys/mbuf.h> 75 #include <sys/malloc.h> 76 #include <sys/kernel.h> 77 #include <sys/socket.h> 78 79 #include <sys/device.h> 80 #if NRND > 0 81 #include <sys/rnd.h> 82 #endif 83 84 #include <net/if.h> 85 #if defined(__NetBSD__) 86 #include <net/if_arp.h> 87 #endif 88 #include <net/if_dl.h> 89 90 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 91 92 #if NBPFILTER > 0 93 #include <net/bpf.h> 94 #endif 95 96 #if defined(__NetBSD__) 97 #include <net/if_ether.h> 98 #ifdef INET 99 #include <netinet/in.h> 100 #include <netinet/if_inarp.h> 101 #endif 102 #endif /* defined(__NetBSD__) */ 103 104 #if defined(__OpenBSD__) 105 #ifdef INET 106 #include <netinet/in.h> 107 #include <netinet/in_systm.h> 108 #include <netinet/in_var.h> 109 #include <netinet/ip.h> 110 #include <netinet/if_ether.h> 111 #endif 112 #endif /* defined(__OpenBSD__) */ 113 114 #ifdef NS 115 #include <netns/ns.h> 116 #include <netns/ns_if.h> 117 #endif 118 119 #include <dev/usb/usb.h> 120 #include <dev/usb/usbdi.h> 121 #include <dev/usb/usbdi_util.h> 122 #include <dev/usb/usbdevs.h> 123 124 #include <dev/usb/if_cuereg.h> 125 126 #ifdef CUE_DEBUG 127 #define DPRINTF(x) if (cuedebug) logprintf x 128 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 129 int cuedebug = 0; 130 #else 131 #define DPRINTF(x) 132 #define DPRINTFN(n,x) 133 #endif 134 135 /* 136 * Various supported device vendors/products. 137 */ 138 Static struct cue_type cue_devs[] = { 139 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 140 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 141 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 142 /* Belkin F5U111 adapter covered by NETMATE entry */ 143 { 0, 0 } 144 }; 145 146 USB_DECLARE_DRIVER(cue); 147 148 Static int cue_open_pipes(struct cue_softc *); 149 Static int cue_tx_list_init(struct cue_softc *); 150 Static int cue_rx_list_init(struct cue_softc *); 151 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 152 Static int cue_send(struct cue_softc *, struct mbuf *, int); 153 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 154 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 155 Static void cue_tick(void *); 156 Static void cue_tick_task(void *); 157 Static void cue_start(struct ifnet *); 158 Static int cue_ioctl(struct ifnet *, u_long, caddr_t); 159 Static void cue_init(void *); 160 Static void cue_stop(struct cue_softc *); 161 Static void cue_watchdog(struct ifnet *); 162 163 Static void cue_setmulti(struct cue_softc *); 164 Static u_int32_t cue_crc(caddr_t); 165 Static void cue_reset(struct cue_softc *); 166 167 Static int cue_csr_read_1(struct cue_softc *, int); 168 Static int cue_csr_write_1(struct cue_softc *, int, int); 169 Static int cue_csr_read_2(struct cue_softc *, int); 170 #if 0 171 Static int cue_csr_write_2(struct cue_softc *, int, int); 172 #endif 173 Static int cue_mem(struct cue_softc *, int, int, void *, int); 174 Static int cue_getmac(struct cue_softc *, void *); 175 176 #define CUE_SETBIT(sc, reg, x) \ 177 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 178 179 #define CUE_CLRBIT(sc, reg, x) \ 180 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 181 182 Static int 183 cue_csr_read_1(struct cue_softc *sc, int reg) 184 { 185 usb_device_request_t req; 186 usbd_status err; 187 u_int8_t val = 0; 188 189 if (sc->cue_dying) 190 return (0); 191 192 req.bmRequestType = UT_READ_VENDOR_DEVICE; 193 req.bRequest = CUE_CMD_READREG; 194 USETW(req.wValue, 0); 195 USETW(req.wIndex, reg); 196 USETW(req.wLength, 1); 197 198 err = usbd_do_request(sc->cue_udev, &req, &val); 199 200 if (err) { 201 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 202 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 203 return (0); 204 } 205 206 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 207 USBDEVNAME(sc->cue_dev), reg, val)); 208 209 return (val); 210 } 211 212 Static int 213 cue_csr_read_2(struct cue_softc *sc, int reg) 214 { 215 usb_device_request_t req; 216 usbd_status err; 217 uWord val; 218 219 if (sc->cue_dying) 220 return (0); 221 222 req.bmRequestType = UT_READ_VENDOR_DEVICE; 223 req.bRequest = CUE_CMD_READREG; 224 USETW(req.wValue, 0); 225 USETW(req.wIndex, reg); 226 USETW(req.wLength, 2); 227 228 err = usbd_do_request(sc->cue_udev, &req, &val); 229 230 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 231 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 232 233 if (err) { 234 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 235 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 236 return (0); 237 } 238 239 return (UGETW(val)); 240 } 241 242 Static int 243 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 244 { 245 usb_device_request_t req; 246 usbd_status err; 247 248 if (sc->cue_dying) 249 return (0); 250 251 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 252 USBDEVNAME(sc->cue_dev), reg, val)); 253 254 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 255 req.bRequest = CUE_CMD_WRITEREG; 256 USETW(req.wValue, val); 257 USETW(req.wIndex, reg); 258 USETW(req.wLength, 0); 259 260 err = usbd_do_request(sc->cue_udev, &req, NULL); 261 262 if (err) { 263 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 264 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 265 return (-1); 266 } 267 268 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 269 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 270 271 return (0); 272 } 273 274 #if 0 275 Static int 276 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 277 { 278 usb_device_request_t req; 279 usbd_status err; 280 uWord val; 281 int s; 282 283 if (sc->cue_dying) 284 return (0); 285 286 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 287 USBDEVNAME(sc->cue_dev), reg, aval)); 288 289 USETW(val, aval); 290 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 291 req.bRequest = CUE_CMD_WRITEREG; 292 USETW(req.wValue, val); 293 USETW(req.wIndex, reg); 294 USETW(req.wLength, 0); 295 296 err = usbd_do_request(sc->cue_udev, &req, NULL); 297 298 if (err) { 299 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 300 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 301 return (-1); 302 } 303 304 return (0); 305 } 306 #endif 307 308 Static int 309 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 310 { 311 usb_device_request_t req; 312 usbd_status err; 313 314 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 315 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 316 317 if (cmd == CUE_CMD_READSRAM) 318 req.bmRequestType = UT_READ_VENDOR_DEVICE; 319 else 320 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 321 req.bRequest = cmd; 322 USETW(req.wValue, 0); 323 USETW(req.wIndex, addr); 324 USETW(req.wLength, len); 325 326 err = usbd_do_request(sc->cue_udev, &req, buf); 327 328 if (err) { 329 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 330 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 331 return (-1); 332 } 333 334 return (0); 335 } 336 337 Static int 338 cue_getmac(struct cue_softc *sc, void *buf) 339 { 340 usb_device_request_t req; 341 usbd_status err; 342 343 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 344 345 req.bmRequestType = UT_READ_VENDOR_DEVICE; 346 req.bRequest = CUE_CMD_GET_MACADDR; 347 USETW(req.wValue, 0); 348 USETW(req.wIndex, 0); 349 USETW(req.wLength, ETHER_ADDR_LEN); 350 351 err = usbd_do_request(sc->cue_udev, &req, buf); 352 353 if (err) { 354 printf("%s: read MAC address failed\n", 355 USBDEVNAME(sc->cue_dev)); 356 return (-1); 357 } 358 359 return (0); 360 } 361 362 #define CUE_POLY 0xEDB88320 363 #define CUE_BITS 9 364 365 Static u_int32_t 366 cue_crc(caddr_t addr) 367 { 368 u_int32_t idx, bit, data, crc; 369 370 /* Compute CRC for the address value. */ 371 crc = 0xFFFFFFFF; /* initial value */ 372 373 for (idx = 0; idx < 6; idx++) { 374 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 375 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 376 } 377 378 return (crc & ((1 << CUE_BITS) - 1)); 379 } 380 381 Static void 382 cue_setmulti(struct cue_softc *sc) 383 { 384 struct ifnet *ifp; 385 struct ether_multi *enm; 386 struct ether_multistep step; 387 u_int32_t h, i; 388 389 ifp = GET_IFP(sc); 390 391 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 392 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 393 394 if (ifp->if_flags & IFF_PROMISC) { 395 allmulti: 396 ifp->if_flags |= IFF_ALLMULTI; 397 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 398 sc->cue_mctab[i] = 0xFF; 399 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 400 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 401 return; 402 } 403 404 /* first, zot all the existing hash bits */ 405 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 406 sc->cue_mctab[i] = 0; 407 408 /* now program new ones */ 409 #if defined(__NetBSD__) 410 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 411 #else 412 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 413 #endif 414 while (enm != NULL) { 415 if (memcmp(enm->enm_addrlo, 416 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 417 goto allmulti; 418 419 h = cue_crc(enm->enm_addrlo); 420 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 421 ETHER_NEXT_MULTI(step, enm); 422 } 423 424 ifp->if_flags &= ~IFF_ALLMULTI; 425 426 /* 427 * Also include the broadcast address in the filter 428 * so we can receive broadcast frames. 429 */ 430 if (ifp->if_flags & IFF_BROADCAST) { 431 h = cue_crc(etherbroadcastaddr); 432 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 433 } 434 435 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 436 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 437 } 438 439 Static void 440 cue_reset(struct cue_softc *sc) 441 { 442 usb_device_request_t req; 443 usbd_status err; 444 445 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 446 447 if (sc->cue_dying) 448 return; 449 450 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 451 req.bRequest = CUE_CMD_RESET; 452 USETW(req.wValue, 0); 453 USETW(req.wIndex, 0); 454 USETW(req.wLength, 0); 455 456 err = usbd_do_request(sc->cue_udev, &req, NULL); 457 458 if (err) 459 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 460 461 /* Wait a little while for the chip to get its brains in order. */ 462 usbd_delay_ms(sc->cue_udev, 1); 463 } 464 465 /* 466 * Probe for a CATC chip. 467 */ 468 USB_MATCH(cue) 469 { 470 USB_MATCH_START(cue, uaa); 471 struct cue_type *t; 472 473 if (uaa->iface != NULL) 474 return (UMATCH_NONE); 475 476 for (t = cue_devs; t->cue_vid != 0; t++) 477 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 478 return (UMATCH_VENDOR_PRODUCT); 479 480 return (UMATCH_NONE); 481 } 482 483 /* 484 * Attach the interface. Allocate softc structures, do ifmedia 485 * setup and ethernet/BPF attach. 486 */ 487 USB_ATTACH(cue) 488 { 489 USB_ATTACH_START(cue, sc, uaa); 490 char devinfo[1024]; 491 int s; 492 u_char eaddr[ETHER_ADDR_LEN]; 493 usbd_device_handle dev = uaa->device; 494 usbd_interface_handle iface; 495 usbd_status err; 496 struct ifnet *ifp; 497 usb_interface_descriptor_t *id; 498 usb_endpoint_descriptor_t *ed; 499 int i; 500 501 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 502 503 usbd_devinfo(dev, 0, devinfo); 504 USB_ATTACH_SETUP; 505 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 506 507 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 508 if (err) { 509 printf("%s: setting config no failed\n", 510 USBDEVNAME(sc->cue_dev)); 511 USB_ATTACH_ERROR_RETURN; 512 } 513 514 sc->cue_udev = dev; 515 sc->cue_product = uaa->product; 516 sc->cue_vendor = uaa->vendor; 517 518 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 519 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 520 521 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 522 if (err) { 523 printf("%s: getting interface handle failed\n", 524 USBDEVNAME(sc->cue_dev)); 525 USB_ATTACH_ERROR_RETURN; 526 } 527 528 sc->cue_iface = iface; 529 id = usbd_get_interface_descriptor(iface); 530 531 /* Find endpoints. */ 532 for (i = 0; i < id->bNumEndpoints; i++) { 533 ed = usbd_interface2endpoint_descriptor(iface, i); 534 if (ed == NULL) { 535 printf("%s: couldn't get ep %d\n", 536 USBDEVNAME(sc->cue_dev), i); 537 USB_ATTACH_ERROR_RETURN; 538 } 539 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 540 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 541 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 542 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 543 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 544 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 545 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 546 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 547 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 548 } 549 } 550 551 #if 0 552 /* Reset the adapter. */ 553 cue_reset(sc); 554 #endif 555 /* 556 * Get station address. 557 */ 558 cue_getmac(sc, &eaddr); 559 560 s = splnet(); 561 562 /* 563 * A CATC chip was detected. Inform the world. 564 */ 565 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 566 ether_sprintf(eaddr)); 567 568 #if defined(__OpenBSD__) 569 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 570 #endif 571 572 /* Initialize interface info.*/ 573 ifp = GET_IFP(sc); 574 ifp->if_softc = sc; 575 ifp->if_mtu = ETHERMTU; 576 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 577 ifp->if_ioctl = cue_ioctl; 578 ifp->if_start = cue_start; 579 ifp->if_watchdog = cue_watchdog; 580 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 581 582 IFQ_SET_READY(&ifp->if_snd); 583 584 /* Attach the interface. */ 585 if_attach(ifp); 586 Ether_ifattach(ifp, eaddr); 587 #if NRND > 0 588 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 589 RND_TYPE_NET, 0); 590 #endif 591 592 usb_callout_init(sc->cue_stat_ch); 593 594 sc->cue_attached = 1; 595 splx(s); 596 597 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 598 USBDEV(sc->cue_dev)); 599 600 USB_ATTACH_SUCCESS_RETURN; 601 } 602 603 USB_DETACH(cue) 604 { 605 USB_DETACH_START(cue, sc); 606 struct ifnet *ifp = GET_IFP(sc); 607 int s; 608 609 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 610 611 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 612 /* 613 * Remove any pending task. It cannot be executing because it run 614 * in the same thread as detach. 615 */ 616 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 617 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 618 619 if (!sc->cue_attached) { 620 /* Detached before attached finished, so just bail out. */ 621 return (0); 622 } 623 624 s = splusb(); 625 626 if (ifp->if_flags & IFF_RUNNING) 627 cue_stop(sc); 628 629 #if defined(__NetBSD__) 630 #if NRND > 0 631 rnd_detach_source(&sc->rnd_source); 632 #endif 633 #if NBPFILTER > 0 634 bpfdetach(ifp); 635 #endif 636 #endif /* __NetBSD__ */ 637 ether_ifdetach(ifp); 638 639 if_detach(ifp); 640 641 #ifdef DIAGNOSTIC 642 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 643 sc->cue_ep[CUE_ENDPT_RX] != NULL || 644 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 645 printf("%s: detach has active endpoints\n", 646 USBDEVNAME(sc->cue_dev)); 647 #endif 648 649 sc->cue_attached = 0; 650 splx(s); 651 652 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 653 USBDEV(sc->cue_dev)); 654 655 return (0); 656 } 657 658 int 659 cue_activate(device_ptr_t self, enum devact act) 660 { 661 struct cue_softc *sc = (struct cue_softc *)self; 662 663 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 664 665 switch (act) { 666 case DVACT_ACTIVATE: 667 return (EOPNOTSUPP); 668 break; 669 670 case DVACT_DEACTIVATE: 671 /* Deactivate the interface. */ 672 if_deactivate(&sc->cue_ec.ec_if); 673 sc->cue_dying = 1; 674 break; 675 } 676 return (0); 677 } 678 679 /* 680 * Initialize an RX descriptor and attach an MBUF cluster. 681 */ 682 Static int 683 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 684 { 685 struct mbuf *m_new = NULL; 686 687 if (m == NULL) { 688 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 689 if (m_new == NULL) { 690 printf("%s: no memory for rx list " 691 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 692 return (ENOBUFS); 693 } 694 695 MCLGET(m_new, M_DONTWAIT); 696 if (!(m_new->m_flags & M_EXT)) { 697 printf("%s: no memory for rx list " 698 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 699 m_freem(m_new); 700 return (ENOBUFS); 701 } 702 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 703 } else { 704 m_new = m; 705 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 706 m_new->m_data = m_new->m_ext.ext_buf; 707 } 708 709 m_adj(m_new, ETHER_ALIGN); 710 c->cue_mbuf = m_new; 711 712 return (0); 713 } 714 715 Static int 716 cue_rx_list_init(struct cue_softc *sc) 717 { 718 struct cue_cdata *cd; 719 struct cue_chain *c; 720 int i; 721 722 cd = &sc->cue_cdata; 723 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 724 c = &cd->cue_rx_chain[i]; 725 c->cue_sc = sc; 726 c->cue_idx = i; 727 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 728 return (ENOBUFS); 729 if (c->cue_xfer == NULL) { 730 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 731 if (c->cue_xfer == NULL) 732 return (ENOBUFS); 733 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 734 if (c->cue_buf == NULL) { 735 usbd_free_xfer(c->cue_xfer); 736 return (ENOBUFS); 737 } 738 } 739 } 740 741 return (0); 742 } 743 744 Static int 745 cue_tx_list_init(struct cue_softc *sc) 746 { 747 struct cue_cdata *cd; 748 struct cue_chain *c; 749 int i; 750 751 cd = &sc->cue_cdata; 752 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 753 c = &cd->cue_tx_chain[i]; 754 c->cue_sc = sc; 755 c->cue_idx = i; 756 c->cue_mbuf = NULL; 757 if (c->cue_xfer == NULL) { 758 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 759 if (c->cue_xfer == NULL) 760 return (ENOBUFS); 761 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 762 if (c->cue_buf == NULL) { 763 usbd_free_xfer(c->cue_xfer); 764 return (ENOBUFS); 765 } 766 } 767 } 768 769 return (0); 770 } 771 772 /* 773 * A frame has been uploaded: pass the resulting mbuf chain up to 774 * the higher level protocols. 775 */ 776 Static void 777 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 778 { 779 struct cue_chain *c = priv; 780 struct cue_softc *sc = c->cue_sc; 781 struct ifnet *ifp = GET_IFP(sc); 782 struct mbuf *m; 783 int total_len = 0; 784 u_int16_t len; 785 int s; 786 787 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 788 __FUNCTION__, status)); 789 790 if (sc->cue_dying) 791 return; 792 793 if (!(ifp->if_flags & IFF_RUNNING)) 794 return; 795 796 if (status != USBD_NORMAL_COMPLETION) { 797 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 798 return; 799 sc->cue_rx_errs++; 800 if (usbd_ratecheck(&sc->cue_rx_notice)) { 801 printf("%s: %u usb errors on rx: %s\n", 802 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 803 usbd_errstr(status)); 804 sc->cue_rx_errs = 0; 805 } 806 if (status == USBD_STALLED) 807 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 808 goto done; 809 } 810 811 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 812 813 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 814 815 m = c->cue_mbuf; 816 len = UGETW(mtod(m, u_int8_t *)); 817 818 /* No errors; receive the packet. */ 819 total_len = len; 820 821 if (len < sizeof(struct ether_header)) { 822 ifp->if_ierrors++; 823 goto done; 824 } 825 826 ifp->if_ipackets++; 827 m_adj(m, sizeof(u_int16_t)); 828 m->m_pkthdr.len = m->m_len = total_len; 829 830 m->m_pkthdr.rcvif = ifp; 831 832 s = splnet(); 833 834 /* XXX ugly */ 835 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 836 ifp->if_ierrors++; 837 goto done1; 838 } 839 840 #if NBPFILTER > 0 841 /* 842 * Handle BPF listeners. Let the BPF user see the packet, but 843 * don't pass it up to the ether_input() layer unless it's 844 * a broadcast packet, multicast packet, matches our ethernet 845 * address or the interface is in promiscuous mode. 846 */ 847 if (ifp->if_bpf) 848 BPF_MTAP(ifp, m); 849 #endif 850 851 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 852 __FUNCTION__, m->m_len)); 853 IF_INPUT(ifp, m); 854 done1: 855 splx(s); 856 857 done: 858 /* Setup new transfer. */ 859 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 860 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 861 USBD_NO_TIMEOUT, cue_rxeof); 862 usbd_transfer(c->cue_xfer); 863 864 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 865 __FUNCTION__)); 866 } 867 868 /* 869 * A frame was downloaded to the chip. It's safe for us to clean up 870 * the list buffers. 871 */ 872 Static void 873 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 874 { 875 struct cue_chain *c = priv; 876 struct cue_softc *sc = c->cue_sc; 877 struct ifnet *ifp = GET_IFP(sc); 878 int s; 879 880 if (sc->cue_dying) 881 return; 882 883 s = splnet(); 884 885 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 886 __FUNCTION__, status)); 887 888 ifp->if_timer = 0; 889 ifp->if_flags &= ~IFF_OACTIVE; 890 891 if (status != USBD_NORMAL_COMPLETION) { 892 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 893 splx(s); 894 return; 895 } 896 ifp->if_oerrors++; 897 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 898 usbd_errstr(status)); 899 if (status == USBD_STALLED) 900 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 901 splx(s); 902 return; 903 } 904 905 ifp->if_opackets++; 906 907 m_freem(c->cue_mbuf); 908 c->cue_mbuf = NULL; 909 910 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 911 cue_start(ifp); 912 913 splx(s); 914 } 915 916 Static void 917 cue_tick(void *xsc) 918 { 919 struct cue_softc *sc = xsc; 920 921 if (sc == NULL) 922 return; 923 924 if (sc->cue_dying) 925 return; 926 927 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 928 929 /* Perform statistics update in process context. */ 930 usb_add_task(sc->cue_udev, &sc->cue_tick_task); 931 } 932 933 Static void 934 cue_tick_task(void *xsc) 935 { 936 struct cue_softc *sc = xsc; 937 struct ifnet *ifp; 938 939 if (sc->cue_dying) 940 return; 941 942 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 943 944 ifp = GET_IFP(sc); 945 946 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 947 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 948 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 949 950 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 951 ifp->if_ierrors++; 952 } 953 954 Static int 955 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 956 { 957 int total_len; 958 struct cue_chain *c; 959 usbd_status err; 960 961 c = &sc->cue_cdata.cue_tx_chain[idx]; 962 963 /* 964 * Copy the mbuf data into a contiguous buffer, leaving two 965 * bytes at the beginning to hold the frame length. 966 */ 967 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 968 c->cue_mbuf = m; 969 970 total_len = m->m_pkthdr.len + 2; 971 972 DPRINTFN(10,("%s: %s: total_len=%d\n", 973 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 974 975 /* The first two bytes are the frame length */ 976 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 977 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 978 979 /* XXX 10000 */ 980 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 981 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 982 983 /* Transmit */ 984 err = usbd_transfer(c->cue_xfer); 985 if (err != USBD_IN_PROGRESS) { 986 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 987 usbd_errstr(err)); 988 /* Stop the interface from process context. */ 989 usb_add_task(sc->cue_udev, &sc->cue_stop_task); 990 return (EIO); 991 } 992 993 sc->cue_cdata.cue_tx_cnt++; 994 995 return (0); 996 } 997 998 Static void 999 cue_start(struct ifnet *ifp) 1000 { 1001 struct cue_softc *sc = ifp->if_softc; 1002 struct mbuf *m_head = NULL; 1003 1004 if (sc->cue_dying) 1005 return; 1006 1007 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1008 1009 if (ifp->if_flags & IFF_OACTIVE) 1010 return; 1011 1012 IFQ_POLL(&ifp->if_snd, m_head); 1013 if (m_head == NULL) 1014 return; 1015 1016 if (cue_send(sc, m_head, 0)) { 1017 ifp->if_flags |= IFF_OACTIVE; 1018 return; 1019 } 1020 1021 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1022 1023 #if NBPFILTER > 0 1024 /* 1025 * If there's a BPF listener, bounce a copy of this frame 1026 * to him. 1027 */ 1028 if (ifp->if_bpf) 1029 BPF_MTAP(ifp, m_head); 1030 #endif 1031 1032 ifp->if_flags |= IFF_OACTIVE; 1033 1034 /* 1035 * Set a timeout in case the chip goes out to lunch. 1036 */ 1037 ifp->if_timer = 5; 1038 } 1039 1040 Static void 1041 cue_init(void *xsc) 1042 { 1043 struct cue_softc *sc = xsc; 1044 struct ifnet *ifp = GET_IFP(sc); 1045 int i, s, ctl; 1046 u_char *eaddr; 1047 1048 if (sc->cue_dying) 1049 return; 1050 1051 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1052 1053 if (ifp->if_flags & IFF_RUNNING) 1054 return; 1055 1056 s = splnet(); 1057 1058 /* 1059 * Cancel pending I/O and free all RX/TX buffers. 1060 */ 1061 #if 1 1062 cue_reset(sc); 1063 #endif 1064 1065 /* Set advanced operation modes. */ 1066 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1067 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1068 1069 #if defined(__OpenBSD__) 1070 eaddr = sc->arpcom.ac_enaddr; 1071 #elif defined(__NetBSD__) 1072 eaddr = LLADDR(ifp->if_sadl); 1073 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1074 /* Set MAC address */ 1075 for (i = 0; i < ETHER_ADDR_LEN; i++) 1076 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1077 1078 /* Enable RX logic. */ 1079 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1080 if (ifp->if_flags & IFF_PROMISC) 1081 ctl |= CUE_ETHCTL_PROMISC; 1082 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1083 1084 /* Init TX ring. */ 1085 if (cue_tx_list_init(sc) == ENOBUFS) { 1086 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1087 splx(s); 1088 return; 1089 } 1090 1091 /* Init RX ring. */ 1092 if (cue_rx_list_init(sc) == ENOBUFS) { 1093 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1094 splx(s); 1095 return; 1096 } 1097 1098 /* Load the multicast filter. */ 1099 cue_setmulti(sc); 1100 1101 /* 1102 * Set the number of RX and TX buffers that we want 1103 * to reserve inside the ASIC. 1104 */ 1105 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1106 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1107 1108 /* Set advanced operation modes. */ 1109 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1110 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1111 1112 /* Program the LED operation. */ 1113 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1114 1115 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1116 if (cue_open_pipes(sc)) { 1117 splx(s); 1118 return; 1119 } 1120 } 1121 1122 ifp->if_flags |= IFF_RUNNING; 1123 ifp->if_flags &= ~IFF_OACTIVE; 1124 1125 splx(s); 1126 1127 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1128 } 1129 1130 Static int 1131 cue_open_pipes(struct cue_softc *sc) 1132 { 1133 struct cue_chain *c; 1134 usbd_status err; 1135 int i; 1136 1137 /* Open RX and TX pipes. */ 1138 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1139 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1140 if (err) { 1141 printf("%s: open rx pipe failed: %s\n", 1142 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1143 return (EIO); 1144 } 1145 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1146 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1147 if (err) { 1148 printf("%s: open tx pipe failed: %s\n", 1149 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1150 return (EIO); 1151 } 1152 1153 /* Start up the receive pipe. */ 1154 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1155 c = &sc->cue_cdata.cue_rx_chain[i]; 1156 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1157 c, c->cue_buf, CUE_BUFSZ, 1158 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1159 cue_rxeof); 1160 usbd_transfer(c->cue_xfer); 1161 } 1162 1163 return (0); 1164 } 1165 1166 Static int 1167 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1168 { 1169 struct cue_softc *sc = ifp->if_softc; 1170 struct ifaddr *ifa = (struct ifaddr *)data; 1171 struct ifreq *ifr = (struct ifreq *)data; 1172 int s, error = 0; 1173 1174 if (sc->cue_dying) 1175 return (EIO); 1176 1177 s = splnet(); 1178 1179 switch(command) { 1180 case SIOCSIFADDR: 1181 ifp->if_flags |= IFF_UP; 1182 cue_init(sc); 1183 1184 switch (ifa->ifa_addr->sa_family) { 1185 #ifdef INET 1186 case AF_INET: 1187 #if defined(__NetBSD__) 1188 arp_ifinit(ifp, ifa); 1189 #else 1190 arp_ifinit(&sc->arpcom, ifa); 1191 #endif 1192 break; 1193 #endif /* INET */ 1194 #ifdef NS 1195 case AF_NS: 1196 { 1197 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1198 1199 if (ns_nullhost(*ina)) 1200 ina->x_host = *(union ns_host *) 1201 LLADDR(ifp->if_sadl); 1202 else 1203 memcpy(LLADDR(ifp->if_sadl), 1204 ina->x_host.c_host, 1205 ifp->if_addrlen); 1206 break; 1207 } 1208 #endif /* NS */ 1209 } 1210 break; 1211 1212 case SIOCSIFMTU: 1213 if (ifr->ifr_mtu > ETHERMTU) 1214 error = EINVAL; 1215 else 1216 ifp->if_mtu = ifr->ifr_mtu; 1217 break; 1218 1219 case SIOCSIFFLAGS: 1220 if (ifp->if_flags & IFF_UP) { 1221 if (ifp->if_flags & IFF_RUNNING && 1222 ifp->if_flags & IFF_PROMISC && 1223 !(sc->cue_if_flags & IFF_PROMISC)) { 1224 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1225 cue_setmulti(sc); 1226 } else if (ifp->if_flags & IFF_RUNNING && 1227 !(ifp->if_flags & IFF_PROMISC) && 1228 sc->cue_if_flags & IFF_PROMISC) { 1229 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1230 cue_setmulti(sc); 1231 } else if (!(ifp->if_flags & IFF_RUNNING)) 1232 cue_init(sc); 1233 } else { 1234 if (ifp->if_flags & IFF_RUNNING) 1235 cue_stop(sc); 1236 } 1237 sc->cue_if_flags = ifp->if_flags; 1238 error = 0; 1239 break; 1240 case SIOCADDMULTI: 1241 case SIOCDELMULTI: 1242 cue_setmulti(sc); 1243 error = 0; 1244 break; 1245 default: 1246 error = EINVAL; 1247 break; 1248 } 1249 1250 splx(s); 1251 1252 return (error); 1253 } 1254 1255 Static void 1256 cue_watchdog(struct ifnet *ifp) 1257 { 1258 struct cue_softc *sc = ifp->if_softc; 1259 struct cue_chain *c; 1260 usbd_status stat; 1261 int s; 1262 1263 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1264 1265 if (sc->cue_dying) 1266 return; 1267 1268 ifp->if_oerrors++; 1269 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1270 1271 s = splusb(); 1272 c = &sc->cue_cdata.cue_tx_chain[0]; 1273 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1274 cue_txeof(c->cue_xfer, c, stat); 1275 1276 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1277 cue_start(ifp); 1278 splx(s); 1279 } 1280 1281 /* 1282 * Stop the adapter and free any mbufs allocated to the 1283 * RX and TX lists. 1284 */ 1285 Static void 1286 cue_stop(struct cue_softc *sc) 1287 { 1288 usbd_status err; 1289 struct ifnet *ifp; 1290 int i; 1291 1292 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1293 1294 ifp = GET_IFP(sc); 1295 ifp->if_timer = 0; 1296 1297 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1298 cue_reset(sc); 1299 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1300 1301 /* Stop transfers. */ 1302 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1303 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1304 if (err) { 1305 printf("%s: abort rx pipe failed: %s\n", 1306 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1307 } 1308 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1309 if (err) { 1310 printf("%s: close rx pipe failed: %s\n", 1311 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1312 } 1313 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1314 } 1315 1316 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1317 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1318 if (err) { 1319 printf("%s: abort tx pipe failed: %s\n", 1320 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1321 } 1322 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1323 if (err) { 1324 printf("%s: close tx pipe failed: %s\n", 1325 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1326 } 1327 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1328 } 1329 1330 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1331 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1332 if (err) { 1333 printf("%s: abort intr pipe failed: %s\n", 1334 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1335 } 1336 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1337 if (err) { 1338 printf("%s: close intr pipe failed: %s\n", 1339 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1340 } 1341 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1342 } 1343 1344 /* Free RX resources. */ 1345 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1346 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1347 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1348 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1349 } 1350 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1351 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1352 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1353 } 1354 } 1355 1356 /* Free TX resources. */ 1357 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1358 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1359 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1360 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1361 } 1362 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1363 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1364 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1365 } 1366 } 1367 1368 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1369 } 1370