1 /* $OpenBSD: if_cue.c,v 1.10 2001/07/08 23:38:08 fgsch Exp $ */ 2 /* $NetBSD: if_cue.c,v 1.34 2001/04/12 23:54:56 augustss 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 IFQ_SET_READY(&ifp->if_snd); 581 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 582 583 /* Attach the interface. */ 584 if_attach(ifp); 585 Ether_ifattach(ifp, eaddr); 586 #if NRND > 0 587 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 588 RND_TYPE_NET, 0); 589 #endif 590 591 usb_callout_init(sc->cue_stat_ch); 592 593 sc->cue_attached = 1; 594 splx(s); 595 596 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 597 USBDEV(sc->cue_dev)); 598 599 USB_ATTACH_SUCCESS_RETURN; 600 } 601 602 USB_DETACH(cue) 603 { 604 USB_DETACH_START(cue, sc); 605 struct ifnet *ifp = GET_IFP(sc); 606 int s; 607 608 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 609 610 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 611 /* 612 * Remove any pending task. It cannot be executing because it run 613 * in the same thread as detach. 614 */ 615 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 616 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 617 618 if (!sc->cue_attached) { 619 /* Detached before attached finished, so just bail out. */ 620 return (0); 621 } 622 623 s = splusb(); 624 625 if (ifp->if_flags & IFF_RUNNING) 626 cue_stop(sc); 627 628 #if defined(__NetBSD__) 629 #if NRND > 0 630 rnd_detach_source(&sc->rnd_source); 631 #endif 632 #if NBPFILTER > 0 633 bpfdetach(ifp); 634 #endif 635 #endif /* __NetBSD__ */ 636 ether_ifdetach(ifp); 637 638 if_detach(ifp); 639 640 #ifdef DIAGNOSTIC 641 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 642 sc->cue_ep[CUE_ENDPT_RX] != NULL || 643 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 644 printf("%s: detach has active endpoints\n", 645 USBDEVNAME(sc->cue_dev)); 646 #endif 647 648 sc->cue_attached = 0; 649 splx(s); 650 651 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 652 USBDEV(sc->cue_dev)); 653 654 return (0); 655 } 656 657 int 658 cue_activate(device_ptr_t self, enum devact act) 659 { 660 struct cue_softc *sc = (struct cue_softc *)self; 661 662 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 663 664 switch (act) { 665 case DVACT_ACTIVATE: 666 return (EOPNOTSUPP); 667 break; 668 669 case DVACT_DEACTIVATE: 670 /* Deactivate the interface. */ 671 if_deactivate(&sc->cue_ec.ec_if); 672 sc->cue_dying = 1; 673 break; 674 } 675 return (0); 676 } 677 678 /* 679 * Initialize an RX descriptor and attach an MBUF cluster. 680 */ 681 Static int 682 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 683 { 684 struct mbuf *m_new = NULL; 685 686 if (m == NULL) { 687 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 688 if (m_new == NULL) { 689 printf("%s: no memory for rx list " 690 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 691 return (ENOBUFS); 692 } 693 694 MCLGET(m_new, M_DONTWAIT); 695 if (!(m_new->m_flags & M_EXT)) { 696 printf("%s: no memory for rx list " 697 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 698 m_freem(m_new); 699 return (ENOBUFS); 700 } 701 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 702 } else { 703 m_new = m; 704 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 705 m_new->m_data = m_new->m_ext.ext_buf; 706 } 707 708 m_adj(m_new, ETHER_ALIGN); 709 c->cue_mbuf = m_new; 710 711 return (0); 712 } 713 714 Static int 715 cue_rx_list_init(struct cue_softc *sc) 716 { 717 struct cue_cdata *cd; 718 struct cue_chain *c; 719 int i; 720 721 cd = &sc->cue_cdata; 722 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 723 c = &cd->cue_rx_chain[i]; 724 c->cue_sc = sc; 725 c->cue_idx = i; 726 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 727 return (ENOBUFS); 728 if (c->cue_xfer == NULL) { 729 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 730 if (c->cue_xfer == NULL) 731 return (ENOBUFS); 732 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 733 if (c->cue_buf == NULL) { 734 usbd_free_xfer(c->cue_xfer); 735 return (ENOBUFS); 736 } 737 } 738 } 739 740 return (0); 741 } 742 743 Static int 744 cue_tx_list_init(struct cue_softc *sc) 745 { 746 struct cue_cdata *cd; 747 struct cue_chain *c; 748 int i; 749 750 cd = &sc->cue_cdata; 751 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 752 c = &cd->cue_tx_chain[i]; 753 c->cue_sc = sc; 754 c->cue_idx = i; 755 c->cue_mbuf = NULL; 756 if (c->cue_xfer == NULL) { 757 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 758 if (c->cue_xfer == NULL) 759 return (ENOBUFS); 760 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 761 if (c->cue_buf == NULL) { 762 usbd_free_xfer(c->cue_xfer); 763 return (ENOBUFS); 764 } 765 } 766 } 767 768 return (0); 769 } 770 771 /* 772 * A frame has been uploaded: pass the resulting mbuf chain up to 773 * the higher level protocols. 774 */ 775 Static void 776 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 777 { 778 struct cue_chain *c = priv; 779 struct cue_softc *sc = c->cue_sc; 780 struct ifnet *ifp = GET_IFP(sc); 781 struct mbuf *m; 782 int total_len = 0; 783 u_int16_t len; 784 int s; 785 786 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 787 __FUNCTION__, status)); 788 789 if (sc->cue_dying) 790 return; 791 792 if (!(ifp->if_flags & IFF_RUNNING)) 793 return; 794 795 if (status != USBD_NORMAL_COMPLETION) { 796 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 797 return; 798 sc->cue_rx_errs++; 799 if (usbd_ratecheck(&sc->cue_rx_notice)) { 800 printf("%s: %u usb errors on rx: %s\n", 801 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 802 usbd_errstr(status)); 803 sc->cue_rx_errs = 0; 804 } 805 if (status == USBD_STALLED) 806 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 807 goto done; 808 } 809 810 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 811 812 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 813 814 m = c->cue_mbuf; 815 len = UGETW(mtod(m, u_int8_t *)); 816 817 /* No errors; receive the packet. */ 818 total_len = len; 819 820 if (len < sizeof(struct ether_header)) { 821 ifp->if_ierrors++; 822 goto done; 823 } 824 825 ifp->if_ipackets++; 826 m_adj(m, sizeof(u_int16_t)); 827 m->m_pkthdr.len = m->m_len = total_len; 828 829 m->m_pkthdr.rcvif = ifp; 830 831 s = splnet(); 832 833 /* XXX ugly */ 834 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 835 ifp->if_ierrors++; 836 goto done1; 837 } 838 839 #if NBPFILTER > 0 840 /* 841 * Handle BPF listeners. Let the BPF user see the packet, but 842 * don't pass it up to the ether_input() layer unless it's 843 * a broadcast packet, multicast packet, matches our ethernet 844 * address or the interface is in promiscuous mode. 845 */ 846 if (ifp->if_bpf) 847 BPF_MTAP(ifp, m); 848 #endif 849 850 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 851 __FUNCTION__, m->m_len)); 852 IF_INPUT(ifp, m); 853 done1: 854 splx(s); 855 856 done: 857 /* Setup new transfer. */ 858 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 859 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 860 USBD_NO_TIMEOUT, cue_rxeof); 861 usbd_transfer(c->cue_xfer); 862 863 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 864 __FUNCTION__)); 865 } 866 867 /* 868 * A frame was downloaded to the chip. It's safe for us to clean up 869 * the list buffers. 870 */ 871 Static void 872 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 873 { 874 struct cue_chain *c = priv; 875 struct cue_softc *sc = c->cue_sc; 876 struct ifnet *ifp = GET_IFP(sc); 877 int s; 878 879 if (sc->cue_dying) 880 return; 881 882 s = splnet(); 883 884 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 885 __FUNCTION__, status)); 886 887 ifp->if_timer = 0; 888 ifp->if_flags &= ~IFF_OACTIVE; 889 890 if (status != USBD_NORMAL_COMPLETION) { 891 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 892 splx(s); 893 return; 894 } 895 ifp->if_oerrors++; 896 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 897 usbd_errstr(status)); 898 if (status == USBD_STALLED) 899 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 900 splx(s); 901 return; 902 } 903 904 ifp->if_opackets++; 905 906 m_freem(c->cue_mbuf); 907 c->cue_mbuf = NULL; 908 909 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 910 cue_start(ifp); 911 912 splx(s); 913 } 914 915 Static void 916 cue_tick(void *xsc) 917 { 918 struct cue_softc *sc = xsc; 919 920 if (sc == NULL) 921 return; 922 923 if (sc->cue_dying) 924 return; 925 926 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 927 928 /* Perform statistics update in process context. */ 929 usb_add_task(sc->cue_udev, &sc->cue_tick_task); 930 } 931 932 Static void 933 cue_tick_task(void *xsc) 934 { 935 struct cue_softc *sc = xsc; 936 struct ifnet *ifp; 937 938 if (sc->cue_dying) 939 return; 940 941 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 942 943 ifp = GET_IFP(sc); 944 945 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 946 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 947 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 948 949 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 950 ifp->if_ierrors++; 951 } 952 953 Static int 954 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 955 { 956 int total_len; 957 struct cue_chain *c; 958 usbd_status err; 959 960 c = &sc->cue_cdata.cue_tx_chain[idx]; 961 962 /* 963 * Copy the mbuf data into a contiguous buffer, leaving two 964 * bytes at the beginning to hold the frame length. 965 */ 966 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 967 c->cue_mbuf = m; 968 969 total_len = m->m_pkthdr.len + 2; 970 971 DPRINTFN(10,("%s: %s: total_len=%d\n", 972 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 973 974 /* The first two bytes are the frame length */ 975 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 976 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 977 978 /* XXX 10000 */ 979 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 980 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 981 982 /* Transmit */ 983 err = usbd_transfer(c->cue_xfer); 984 if (err != USBD_IN_PROGRESS) { 985 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 986 usbd_errstr(err)); 987 /* Stop the interface from process context. */ 988 usb_add_task(sc->cue_udev, &sc->cue_stop_task); 989 return (EIO); 990 } 991 992 sc->cue_cdata.cue_tx_cnt++; 993 994 return (0); 995 } 996 997 Static void 998 cue_start(struct ifnet *ifp) 999 { 1000 struct cue_softc *sc = ifp->if_softc; 1001 struct mbuf *m_head = NULL; 1002 1003 if (sc->cue_dying) 1004 return; 1005 1006 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1007 1008 if (ifp->if_flags & IFF_OACTIVE) 1009 return; 1010 1011 IFQ_POLL(&ifp->if_snd, m_head); 1012 if (m_head == NULL) 1013 return; 1014 1015 if (cue_send(sc, m_head, 0)) { 1016 ifp->if_flags |= IFF_OACTIVE; 1017 return; 1018 } 1019 1020 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1021 1022 #if NBPFILTER > 0 1023 /* 1024 * If there's a BPF listener, bounce a copy of this frame 1025 * to him. 1026 */ 1027 if (ifp->if_bpf) 1028 BPF_MTAP(ifp, m_head); 1029 #endif 1030 1031 ifp->if_flags |= IFF_OACTIVE; 1032 1033 /* 1034 * Set a timeout in case the chip goes out to lunch. 1035 */ 1036 ifp->if_timer = 5; 1037 } 1038 1039 Static void 1040 cue_init(void *xsc) 1041 { 1042 struct cue_softc *sc = xsc; 1043 struct ifnet *ifp = GET_IFP(sc); 1044 int i, s, ctl; 1045 u_char *eaddr; 1046 1047 if (sc->cue_dying) 1048 return; 1049 1050 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1051 1052 if (ifp->if_flags & IFF_RUNNING) 1053 return; 1054 1055 s = splnet(); 1056 1057 /* 1058 * Cancel pending I/O and free all RX/TX buffers. 1059 */ 1060 #if 1 1061 cue_reset(sc); 1062 #endif 1063 1064 /* Set advanced operation modes. */ 1065 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1066 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1067 1068 #if defined(__OpenBSD__) 1069 eaddr = sc->arpcom.ac_enaddr; 1070 #elif defined(__NetBSD__) 1071 eaddr = LLADDR(ifp->if_sadl); 1072 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1073 /* Set MAC address */ 1074 for (i = 0; i < ETHER_ADDR_LEN; i++) 1075 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1076 1077 /* Enable RX logic. */ 1078 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1079 if (ifp->if_flags & IFF_PROMISC) 1080 ctl |= CUE_ETHCTL_PROMISC; 1081 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1082 1083 /* Init TX ring. */ 1084 if (cue_tx_list_init(sc) == ENOBUFS) { 1085 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1086 splx(s); 1087 return; 1088 } 1089 1090 /* Init RX ring. */ 1091 if (cue_rx_list_init(sc) == ENOBUFS) { 1092 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1093 splx(s); 1094 return; 1095 } 1096 1097 /* Load the multicast filter. */ 1098 cue_setmulti(sc); 1099 1100 /* 1101 * Set the number of RX and TX buffers that we want 1102 * to reserve inside the ASIC. 1103 */ 1104 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1105 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1106 1107 /* Set advanced operation modes. */ 1108 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1109 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1110 1111 /* Program the LED operation. */ 1112 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1113 1114 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1115 if (cue_open_pipes(sc)) { 1116 splx(s); 1117 return; 1118 } 1119 } 1120 1121 ifp->if_flags |= IFF_RUNNING; 1122 ifp->if_flags &= ~IFF_OACTIVE; 1123 1124 splx(s); 1125 1126 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1127 } 1128 1129 Static int 1130 cue_open_pipes(struct cue_softc *sc) 1131 { 1132 struct cue_chain *c; 1133 usbd_status err; 1134 int i; 1135 1136 /* Open RX and TX pipes. */ 1137 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1138 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1139 if (err) { 1140 printf("%s: open rx pipe failed: %s\n", 1141 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1142 return (EIO); 1143 } 1144 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1145 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1146 if (err) { 1147 printf("%s: open tx pipe failed: %s\n", 1148 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1149 return (EIO); 1150 } 1151 1152 /* Start up the receive pipe. */ 1153 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1154 c = &sc->cue_cdata.cue_rx_chain[i]; 1155 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1156 c, c->cue_buf, CUE_BUFSZ, 1157 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1158 cue_rxeof); 1159 usbd_transfer(c->cue_xfer); 1160 } 1161 1162 return (0); 1163 } 1164 1165 Static int 1166 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1167 { 1168 struct cue_softc *sc = ifp->if_softc; 1169 struct ifaddr *ifa = (struct ifaddr *)data; 1170 struct ifreq *ifr = (struct ifreq *)data; 1171 int s, error = 0; 1172 1173 if (sc->cue_dying) 1174 return (EIO); 1175 1176 s = splnet(); 1177 1178 switch(command) { 1179 case SIOCSIFADDR: 1180 ifp->if_flags |= IFF_UP; 1181 cue_init(sc); 1182 1183 switch (ifa->ifa_addr->sa_family) { 1184 #ifdef INET 1185 case AF_INET: 1186 #if defined(__NetBSD__) 1187 arp_ifinit(ifp, ifa); 1188 #else 1189 arp_ifinit(&sc->arpcom, ifa); 1190 #endif 1191 break; 1192 #endif /* INET */ 1193 #ifdef NS 1194 case AF_NS: 1195 { 1196 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1197 1198 if (ns_nullhost(*ina)) 1199 ina->x_host = *(union ns_host *) 1200 LLADDR(ifp->if_sadl); 1201 else 1202 memcpy(LLADDR(ifp->if_sadl), 1203 ina->x_host.c_host, 1204 ifp->if_addrlen); 1205 break; 1206 } 1207 #endif /* NS */ 1208 } 1209 break; 1210 1211 case SIOCSIFMTU: 1212 if (ifr->ifr_mtu > ETHERMTU) 1213 error = EINVAL; 1214 else 1215 ifp->if_mtu = ifr->ifr_mtu; 1216 break; 1217 1218 case SIOCSIFFLAGS: 1219 if (ifp->if_flags & IFF_UP) { 1220 if (ifp->if_flags & IFF_RUNNING && 1221 ifp->if_flags & IFF_PROMISC && 1222 !(sc->cue_if_flags & IFF_PROMISC)) { 1223 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1224 cue_setmulti(sc); 1225 } else if (ifp->if_flags & IFF_RUNNING && 1226 !(ifp->if_flags & IFF_PROMISC) && 1227 sc->cue_if_flags & IFF_PROMISC) { 1228 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1229 cue_setmulti(sc); 1230 } else if (!(ifp->if_flags & IFF_RUNNING)) 1231 cue_init(sc); 1232 } else { 1233 if (ifp->if_flags & IFF_RUNNING) 1234 cue_stop(sc); 1235 } 1236 sc->cue_if_flags = ifp->if_flags; 1237 error = 0; 1238 break; 1239 case SIOCADDMULTI: 1240 case SIOCDELMULTI: 1241 cue_setmulti(sc); 1242 error = 0; 1243 break; 1244 default: 1245 error = EINVAL; 1246 break; 1247 } 1248 1249 splx(s); 1250 1251 return (error); 1252 } 1253 1254 Static void 1255 cue_watchdog(struct ifnet *ifp) 1256 { 1257 struct cue_softc *sc = ifp->if_softc; 1258 struct cue_chain *c; 1259 usbd_status stat; 1260 int s; 1261 1262 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1263 1264 if (sc->cue_dying) 1265 return; 1266 1267 ifp->if_oerrors++; 1268 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1269 1270 s = splusb(); 1271 c = &sc->cue_cdata.cue_tx_chain[0]; 1272 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1273 cue_txeof(c->cue_xfer, c, stat); 1274 1275 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1276 cue_start(ifp); 1277 splx(s); 1278 } 1279 1280 /* 1281 * Stop the adapter and free any mbufs allocated to the 1282 * RX and TX lists. 1283 */ 1284 Static void 1285 cue_stop(struct cue_softc *sc) 1286 { 1287 usbd_status err; 1288 struct ifnet *ifp; 1289 int i; 1290 1291 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1292 1293 ifp = GET_IFP(sc); 1294 ifp->if_timer = 0; 1295 1296 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1297 cue_reset(sc); 1298 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1299 1300 /* Stop transfers. */ 1301 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1302 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1303 if (err) { 1304 printf("%s: abort rx pipe failed: %s\n", 1305 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1306 } 1307 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1308 if (err) { 1309 printf("%s: close rx pipe failed: %s\n", 1310 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1311 } 1312 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1313 } 1314 1315 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1316 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1317 if (err) { 1318 printf("%s: abort tx pipe failed: %s\n", 1319 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1320 } 1321 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1322 if (err) { 1323 printf("%s: close tx pipe failed: %s\n", 1324 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1325 } 1326 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1327 } 1328 1329 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1330 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1331 if (err) { 1332 printf("%s: abort intr pipe failed: %s\n", 1333 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1334 } 1335 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1336 if (err) { 1337 printf("%s: close intr pipe failed: %s\n", 1338 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1339 } 1340 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1341 } 1342 1343 /* Free RX resources. */ 1344 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1345 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1346 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1347 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1348 } 1349 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1350 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1351 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1352 } 1353 } 1354 1355 /* Free TX resources. */ 1356 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1357 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1358 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1359 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1360 } 1361 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1362 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1363 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1364 } 1365 } 1366 1367 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1368 } 1369