if_cue.c revision 1.34
1 /* $NetBSD: if_cue.c,v 1.34 2001/04/12 23:54:56 augustss Exp $ */ 2 /* 3 * Copyright (c) 1997, 1998, 1999, 2000 4 * Bill Paul <wpaul (at) 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 (at) 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 #if defined(__NetBSD__) 59 #include "opt_inet.h" 60 #include "opt_ns.h" 61 #include "bpfilter.h" 62 #include "rnd.h" 63 #elif defined(__OpenBSD__) 64 #include "bpfilter.h" 65 #endif /* defined(__OpenBSD__) */ 66 67 #include <sys/param.h> 68 #include <sys/systm.h> 69 #if !defined(__OpenBSD__) 70 #include <sys/callout.h> 71 #endif 72 #include <sys/sockio.h> 73 #include <sys/mbuf.h> 74 #include <sys/malloc.h> 75 #include <sys/kernel.h> 76 #include <sys/socket.h> 77 78 #include <sys/device.h> 79 #if NRND > 0 80 #include <sys/rnd.h> 81 #endif 82 83 #include <net/if.h> 84 #if defined(__NetBSD__) 85 #include <net/if_arp.h> 86 #endif 87 #include <net/if_dl.h> 88 89 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 90 91 #if NBPFILTER > 0 92 #include <net/bpf.h> 93 #endif 94 95 #if defined(__NetBSD__) 96 #include <net/if_ether.h> 97 #ifdef INET 98 #include <netinet/in.h> 99 #include <netinet/if_inarp.h> 100 #endif 101 #endif /* defined(__NetBSD__) */ 102 103 #if defined(__OpenBSD__) 104 #ifdef INET 105 #include <netinet/in.h> 106 #include <netinet/in_systm.h> 107 #include <netinet/in_var.h> 108 #include <netinet/ip.h> 109 #include <netinet/if_ether.h> 110 #endif 111 #endif /* defined(__OpenBSD__) */ 112 113 #ifdef NS 114 #include <netns/ns.h> 115 #include <netns/ns_if.h> 116 #endif 117 118 #include <dev/usb/usb.h> 119 #include <dev/usb/usbdi.h> 120 #include <dev/usb/usbdi_util.h> 121 #include <dev/usb/usbdevs.h> 122 123 #include <dev/usb/if_cuereg.h> 124 125 #ifdef CUE_DEBUG 126 #define DPRINTF(x) if (cuedebug) logprintf x 127 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 128 int cuedebug = 0; 129 #else 130 #define DPRINTF(x) 131 #define DPRINTFN(n,x) 132 #endif 133 134 /* 135 * Various supported device vendors/products. 136 */ 137 Static struct cue_type cue_devs[] = { 138 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 139 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 140 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 141 /* Belkin F5U111 adapter covered by NETMATE entry */ 142 { 0, 0 } 143 }; 144 145 USB_DECLARE_DRIVER(cue); 146 147 Static int cue_open_pipes(struct cue_softc *); 148 Static int cue_tx_list_init(struct cue_softc *); 149 Static int cue_rx_list_init(struct cue_softc *); 150 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 151 Static int cue_send(struct cue_softc *, struct mbuf *, int); 152 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 153 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 154 Static void cue_tick(void *); 155 Static void cue_tick_task(void *); 156 Static void cue_start(struct ifnet *); 157 Static int cue_ioctl(struct ifnet *, u_long, caddr_t); 158 Static void cue_init(void *); 159 Static void cue_stop(struct cue_softc *); 160 Static void cue_watchdog(struct ifnet *); 161 162 Static void cue_setmulti(struct cue_softc *); 163 Static u_int32_t cue_crc(caddr_t); 164 Static void cue_reset(struct cue_softc *); 165 166 Static int cue_csr_read_1(struct cue_softc *, int); 167 Static int cue_csr_write_1(struct cue_softc *, int, int); 168 Static int cue_csr_read_2(struct cue_softc *, int); 169 #if 0 170 Static int cue_csr_write_2(struct cue_softc *, int, int); 171 #endif 172 Static int cue_mem(struct cue_softc *, int, int, void *, int); 173 Static int cue_getmac(struct cue_softc *, void *); 174 175 #define CUE_SETBIT(sc, reg, x) \ 176 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 177 178 #define CUE_CLRBIT(sc, reg, x) \ 179 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 180 181 Static int 182 cue_csr_read_1(struct cue_softc *sc, int reg) 183 { 184 usb_device_request_t req; 185 usbd_status err; 186 u_int8_t val = 0; 187 188 if (sc->cue_dying) 189 return (0); 190 191 req.bmRequestType = UT_READ_VENDOR_DEVICE; 192 req.bRequest = CUE_CMD_READREG; 193 USETW(req.wValue, 0); 194 USETW(req.wIndex, reg); 195 USETW(req.wLength, 1); 196 197 err = usbd_do_request(sc->cue_udev, &req, &val); 198 199 if (err) { 200 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 201 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 202 return (0); 203 } 204 205 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 206 USBDEVNAME(sc->cue_dev), reg, val)); 207 208 return (val); 209 } 210 211 Static int 212 cue_csr_read_2(struct cue_softc *sc, int reg) 213 { 214 usb_device_request_t req; 215 usbd_status err; 216 uWord val; 217 218 if (sc->cue_dying) 219 return (0); 220 221 req.bmRequestType = UT_READ_VENDOR_DEVICE; 222 req.bRequest = CUE_CMD_READREG; 223 USETW(req.wValue, 0); 224 USETW(req.wIndex, reg); 225 USETW(req.wLength, 2); 226 227 err = usbd_do_request(sc->cue_udev, &req, &val); 228 229 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 230 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 231 232 if (err) { 233 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 234 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 235 return (0); 236 } 237 238 return (UGETW(val)); 239 } 240 241 Static int 242 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 243 { 244 usb_device_request_t req; 245 usbd_status err; 246 247 if (sc->cue_dying) 248 return (0); 249 250 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 251 USBDEVNAME(sc->cue_dev), reg, val)); 252 253 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 254 req.bRequest = CUE_CMD_WRITEREG; 255 USETW(req.wValue, val); 256 USETW(req.wIndex, reg); 257 USETW(req.wLength, 0); 258 259 err = usbd_do_request(sc->cue_udev, &req, NULL); 260 261 if (err) { 262 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 263 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 264 return (-1); 265 } 266 267 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 268 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 269 270 return (0); 271 } 272 273 #if 0 274 Static int 275 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 276 { 277 usb_device_request_t req; 278 usbd_status err; 279 uWord val; 280 int s; 281 282 if (sc->cue_dying) 283 return (0); 284 285 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 286 USBDEVNAME(sc->cue_dev), reg, aval)); 287 288 USETW(val, aval); 289 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 290 req.bRequest = CUE_CMD_WRITEREG; 291 USETW(req.wValue, val); 292 USETW(req.wIndex, reg); 293 USETW(req.wLength, 0); 294 295 err = usbd_do_request(sc->cue_udev, &req, NULL); 296 297 if (err) { 298 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 299 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 300 return (-1); 301 } 302 303 return (0); 304 } 305 #endif 306 307 Static int 308 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 309 { 310 usb_device_request_t req; 311 usbd_status err; 312 313 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 314 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 315 316 if (cmd == CUE_CMD_READSRAM) 317 req.bmRequestType = UT_READ_VENDOR_DEVICE; 318 else 319 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 320 req.bRequest = cmd; 321 USETW(req.wValue, 0); 322 USETW(req.wIndex, addr); 323 USETW(req.wLength, len); 324 325 err = usbd_do_request(sc->cue_udev, &req, buf); 326 327 if (err) { 328 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 329 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 330 return (-1); 331 } 332 333 return (0); 334 } 335 336 Static int 337 cue_getmac(struct cue_softc *sc, void *buf) 338 { 339 usb_device_request_t req; 340 usbd_status err; 341 342 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 343 344 req.bmRequestType = UT_READ_VENDOR_DEVICE; 345 req.bRequest = CUE_CMD_GET_MACADDR; 346 USETW(req.wValue, 0); 347 USETW(req.wIndex, 0); 348 USETW(req.wLength, ETHER_ADDR_LEN); 349 350 err = usbd_do_request(sc->cue_udev, &req, buf); 351 352 if (err) { 353 printf("%s: read MAC address failed\n",USBDEVNAME(sc->cue_dev)); 354 return (-1); 355 } 356 357 return (0); 358 } 359 360 #define CUE_POLY 0xEDB88320 361 #define CUE_BITS 9 362 363 Static u_int32_t 364 cue_crc(caddr_t addr) 365 { 366 u_int32_t idx, bit, data, crc; 367 368 /* Compute CRC for the address value. */ 369 crc = 0xFFFFFFFF; /* initial value */ 370 371 for (idx = 0; idx < 6; idx++) { 372 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 373 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 374 } 375 376 return (crc & ((1 << CUE_BITS) - 1)); 377 } 378 379 Static void 380 cue_setmulti(struct cue_softc *sc) 381 { 382 struct ifnet *ifp; 383 struct ether_multi *enm; 384 struct ether_multistep step; 385 u_int32_t h, i; 386 387 ifp = GET_IFP(sc); 388 389 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 390 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 391 392 if (ifp->if_flags & IFF_PROMISC) { 393 allmulti: 394 ifp->if_flags |= IFF_ALLMULTI; 395 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 396 sc->cue_mctab[i] = 0xFF; 397 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 398 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 399 return; 400 } 401 402 /* first, zot all the existing hash bits */ 403 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 404 sc->cue_mctab[i] = 0; 405 406 /* now program new ones */ 407 #if defined(__NetBSD__) 408 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 409 #else 410 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 411 #endif 412 while (enm != NULL) { 413 if (memcmp(enm->enm_addrlo, 414 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 415 goto allmulti; 416 417 h = cue_crc(enm->enm_addrlo); 418 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 419 ETHER_NEXT_MULTI(step, enm); 420 } 421 422 ifp->if_flags &= ~IFF_ALLMULTI; 423 424 /* 425 * Also include the broadcast address in the filter 426 * so we can receive broadcast frames. 427 */ 428 if (ifp->if_flags & IFF_BROADCAST) { 429 h = cue_crc(etherbroadcastaddr); 430 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 431 } 432 433 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 434 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 435 } 436 437 Static void 438 cue_reset(struct cue_softc *sc) 439 { 440 usb_device_request_t req; 441 usbd_status err; 442 443 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 444 445 if (sc->cue_dying) 446 return; 447 448 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 449 req.bRequest = CUE_CMD_RESET; 450 USETW(req.wValue, 0); 451 USETW(req.wIndex, 0); 452 USETW(req.wLength, 0); 453 454 err = usbd_do_request(sc->cue_udev, &req, NULL); 455 456 if (err) 457 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 458 459 /* Wait a little while for the chip to get its brains in order. */ 460 usbd_delay_ms(sc->cue_udev, 1); 461 } 462 463 /* 464 * Probe for a CATC chip. 465 */ 466 USB_MATCH(cue) 467 { 468 USB_MATCH_START(cue, uaa); 469 struct cue_type *t; 470 471 if (uaa->iface != NULL) 472 return (UMATCH_NONE); 473 474 for (t = cue_devs; t->cue_vid != 0; t++) 475 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 476 return (UMATCH_VENDOR_PRODUCT); 477 478 return (UMATCH_NONE); 479 } 480 481 /* 482 * Attach the interface. Allocate softc structures, do ifmedia 483 * setup and ethernet/BPF attach. 484 */ 485 USB_ATTACH(cue) 486 { 487 USB_ATTACH_START(cue, sc, uaa); 488 char devinfo[1024]; 489 int s; 490 u_char eaddr[ETHER_ADDR_LEN]; 491 usbd_device_handle dev = uaa->device; 492 usbd_interface_handle iface; 493 usbd_status err; 494 struct ifnet *ifp; 495 usb_interface_descriptor_t *id; 496 usb_endpoint_descriptor_t *ed; 497 int i; 498 499 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 500 501 usbd_devinfo(dev, 0, devinfo); 502 USB_ATTACH_SETUP; 503 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 504 505 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 506 if (err) { 507 printf("%s: setting config no failed\n", 508 USBDEVNAME(sc->cue_dev)); 509 USB_ATTACH_ERROR_RETURN; 510 } 511 512 sc->cue_udev = dev; 513 sc->cue_product = uaa->product; 514 sc->cue_vendor = uaa->vendor; 515 516 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 517 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 518 519 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 520 if (err) { 521 printf("%s: getting interface handle failed\n", 522 USBDEVNAME(sc->cue_dev)); 523 USB_ATTACH_ERROR_RETURN; 524 } 525 526 sc->cue_iface = iface; 527 id = usbd_get_interface_descriptor(iface); 528 529 /* Find endpoints. */ 530 for (i = 0; i < id->bNumEndpoints; i++) { 531 ed = usbd_interface2endpoint_descriptor(iface, i); 532 if (ed == NULL) { 533 printf("%s: couldn't get ep %d\n", 534 USBDEVNAME(sc->cue_dev), i); 535 USB_ATTACH_ERROR_RETURN; 536 } 537 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 538 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 539 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 540 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 541 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 542 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 543 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 544 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 545 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 546 } 547 } 548 549 #if 0 550 /* Reset the adapter. */ 551 cue_reset(sc); 552 #endif 553 /* 554 * Get station address. 555 */ 556 cue_getmac(sc, &eaddr); 557 558 s = splimp(); 559 560 /* 561 * A CATC chip was detected. Inform the world. 562 */ 563 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 564 ether_sprintf(eaddr)); 565 566 /* Initialize interface info.*/ 567 ifp = GET_IFP(sc); 568 ifp->if_softc = sc; 569 ifp->if_mtu = ETHERMTU; 570 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 571 ifp->if_ioctl = cue_ioctl; 572 ifp->if_start = cue_start; 573 ifp->if_watchdog = cue_watchdog; 574 #if defined(__OpenBSD__) 575 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 576 #endif 577 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 578 579 IFQ_SET_READY(&ifp->if_snd); 580 581 /* Attach the interface. */ 582 if_attach(ifp); 583 Ether_ifattach(ifp, eaddr); 584 #if NRND > 0 585 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 586 RND_TYPE_NET, 0); 587 #endif 588 589 usb_callout_init(sc->cue_stat_ch); 590 591 sc->cue_attached = 1; 592 splx(s); 593 594 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 595 USBDEV(sc->cue_dev)); 596 597 USB_ATTACH_SUCCESS_RETURN; 598 } 599 600 USB_DETACH(cue) 601 { 602 USB_DETACH_START(cue, sc); 603 struct ifnet *ifp = GET_IFP(sc); 604 int s; 605 606 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 607 608 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 609 /* 610 * Remove any pending task. It cannot be executing because it run 611 * in the same thread as detach. 612 */ 613 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 614 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 615 616 if (!sc->cue_attached) { 617 /* Detached before attached finished, so just bail out. */ 618 return (0); 619 } 620 621 s = splusb(); 622 623 if (ifp->if_flags & IFF_RUNNING) 624 cue_stop(sc); 625 626 #if defined(__NetBSD__) 627 #if NRND > 0 628 rnd_detach_source(&sc->rnd_source); 629 #endif 630 ether_ifdetach(ifp); 631 #endif /* __NetBSD__ */ 632 633 if_detach(ifp); 634 635 #ifdef DIAGNOSTIC 636 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 637 sc->cue_ep[CUE_ENDPT_RX] != NULL || 638 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 639 printf("%s: detach has active endpoints\n", 640 USBDEVNAME(sc->cue_dev)); 641 #endif 642 643 sc->cue_attached = 0; 644 splx(s); 645 646 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 647 USBDEV(sc->cue_dev)); 648 649 return (0); 650 } 651 652 int 653 cue_activate(device_ptr_t self, enum devact act) 654 { 655 struct cue_softc *sc = (struct cue_softc *)self; 656 657 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 658 659 switch (act) { 660 case DVACT_ACTIVATE: 661 return (EOPNOTSUPP); 662 break; 663 664 case DVACT_DEACTIVATE: 665 /* Deactivate the interface. */ 666 if_deactivate(&sc->cue_ec.ec_if); 667 sc->cue_dying = 1; 668 break; 669 } 670 return (0); 671 } 672 673 /* 674 * Initialize an RX descriptor and attach an MBUF cluster. 675 */ 676 Static int 677 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 678 { 679 struct mbuf *m_new = NULL; 680 681 if (m == NULL) { 682 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 683 if (m_new == NULL) { 684 printf("%s: no memory for rx list " 685 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 686 return (ENOBUFS); 687 } 688 689 MCLGET(m_new, M_DONTWAIT); 690 if (!(m_new->m_flags & M_EXT)) { 691 printf("%s: no memory for rx list " 692 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 693 m_freem(m_new); 694 return (ENOBUFS); 695 } 696 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 697 } else { 698 m_new = m; 699 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 700 m_new->m_data = m_new->m_ext.ext_buf; 701 } 702 703 m_adj(m_new, ETHER_ALIGN); 704 c->cue_mbuf = m_new; 705 706 return (0); 707 } 708 709 Static int 710 cue_rx_list_init(struct cue_softc *sc) 711 { 712 struct cue_cdata *cd; 713 struct cue_chain *c; 714 int i; 715 716 cd = &sc->cue_cdata; 717 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 718 c = &cd->cue_rx_chain[i]; 719 c->cue_sc = sc; 720 c->cue_idx = i; 721 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 722 return (ENOBUFS); 723 if (c->cue_xfer == NULL) { 724 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 725 if (c->cue_xfer == NULL) 726 return (ENOBUFS); 727 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 728 if (c->cue_buf == NULL) { 729 usbd_free_xfer(c->cue_xfer); 730 return (ENOBUFS); 731 } 732 } 733 } 734 735 return (0); 736 } 737 738 Static int 739 cue_tx_list_init(struct cue_softc *sc) 740 { 741 struct cue_cdata *cd; 742 struct cue_chain *c; 743 int i; 744 745 cd = &sc->cue_cdata; 746 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 747 c = &cd->cue_tx_chain[i]; 748 c->cue_sc = sc; 749 c->cue_idx = i; 750 c->cue_mbuf = NULL; 751 if (c->cue_xfer == NULL) { 752 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 753 if (c->cue_xfer == NULL) 754 return (ENOBUFS); 755 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 756 if (c->cue_buf == NULL) { 757 usbd_free_xfer(c->cue_xfer); 758 return (ENOBUFS); 759 } 760 } 761 } 762 763 return (0); 764 } 765 766 /* 767 * A frame has been uploaded: pass the resulting mbuf chain up to 768 * the higher level protocols. 769 */ 770 Static void 771 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 772 { 773 struct cue_chain *c = priv; 774 struct cue_softc *sc = c->cue_sc; 775 struct ifnet *ifp = GET_IFP(sc); 776 struct mbuf *m; 777 int total_len = 0; 778 u_int16_t len; 779 int s; 780 781 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 782 __FUNCTION__, status)); 783 784 if (sc->cue_dying) 785 return; 786 787 if (!(ifp->if_flags & IFF_RUNNING)) 788 return; 789 790 if (status != USBD_NORMAL_COMPLETION) { 791 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 792 return; 793 sc->cue_rx_errs++; 794 if (usbd_ratecheck(&sc->cue_rx_notice)) { 795 printf("%s: %u usb errors on rx: %s\n", 796 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 797 usbd_errstr(status)); 798 sc->cue_rx_errs = 0; 799 } 800 if (status == USBD_STALLED) 801 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 802 goto done; 803 } 804 805 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 806 807 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 808 809 m = c->cue_mbuf; 810 len = UGETW(mtod(m, u_int8_t *)); 811 812 /* No errors; receive the packet. */ 813 total_len = len; 814 815 if (len < sizeof(struct ether_header)) { 816 ifp->if_ierrors++; 817 goto done; 818 } 819 820 ifp->if_ipackets++; 821 m_adj(m, sizeof(u_int16_t)); 822 m->m_pkthdr.len = m->m_len = total_len; 823 824 m->m_pkthdr.rcvif = ifp; 825 826 s = splimp(); 827 828 /* XXX ugly */ 829 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 830 ifp->if_ierrors++; 831 goto done1; 832 } 833 834 #if NBPFILTER > 0 835 /* 836 * Handle BPF listeners. Let the BPF user see the packet, but 837 * don't pass it up to the ether_input() layer unless it's 838 * a broadcast packet, multicast packet, matches our ethernet 839 * address or the interface is in promiscuous mode. 840 */ 841 if (ifp->if_bpf) 842 BPF_MTAP(ifp, m); 843 #endif 844 845 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 846 __FUNCTION__, m->m_len)); 847 IF_INPUT(ifp, m); 848 done1: 849 splx(s); 850 851 done: 852 /* Setup new transfer. */ 853 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 854 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 855 USBD_NO_TIMEOUT, cue_rxeof); 856 usbd_transfer(c->cue_xfer); 857 858 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 859 __FUNCTION__)); 860 } 861 862 /* 863 * A frame was downloaded to the chip. It's safe for us to clean up 864 * the list buffers. 865 */ 866 Static void 867 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 868 { 869 struct cue_chain *c = priv; 870 struct cue_softc *sc = c->cue_sc; 871 struct ifnet *ifp = GET_IFP(sc); 872 int s; 873 874 if (sc->cue_dying) 875 return; 876 877 s = splimp(); 878 879 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 880 __FUNCTION__, status)); 881 882 ifp->if_timer = 0; 883 ifp->if_flags &= ~IFF_OACTIVE; 884 885 if (status != USBD_NORMAL_COMPLETION) { 886 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 887 splx(s); 888 return; 889 } 890 ifp->if_oerrors++; 891 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 892 usbd_errstr(status)); 893 if (status == USBD_STALLED) 894 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 895 splx(s); 896 return; 897 } 898 899 ifp->if_opackets++; 900 901 m_freem(c->cue_mbuf); 902 c->cue_mbuf = NULL; 903 904 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 905 cue_start(ifp); 906 907 splx(s); 908 } 909 910 Static void 911 cue_tick(void *xsc) 912 { 913 struct cue_softc *sc = xsc; 914 915 if (sc == NULL) 916 return; 917 918 if (sc->cue_dying) 919 return; 920 921 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 922 923 /* Perform statistics update in process context. */ 924 usb_add_task(sc->cue_udev, &sc->cue_tick_task); 925 } 926 927 Static void 928 cue_tick_task(void *xsc) 929 { 930 struct cue_softc *sc = xsc; 931 struct ifnet *ifp; 932 933 if (sc->cue_dying) 934 return; 935 936 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 937 938 ifp = GET_IFP(sc); 939 940 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 941 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 942 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 943 944 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 945 ifp->if_ierrors++; 946 } 947 948 Static int 949 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 950 { 951 int total_len; 952 struct cue_chain *c; 953 usbd_status err; 954 955 c = &sc->cue_cdata.cue_tx_chain[idx]; 956 957 /* 958 * Copy the mbuf data into a contiguous buffer, leaving two 959 * bytes at the beginning to hold the frame length. 960 */ 961 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 962 c->cue_mbuf = m; 963 964 total_len = m->m_pkthdr.len + 2; 965 966 DPRINTFN(10,("%s: %s: total_len=%d\n", 967 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 968 969 /* The first two bytes are the frame length */ 970 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 971 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 972 973 /* XXX 10000 */ 974 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 975 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 976 977 /* Transmit */ 978 err = usbd_transfer(c->cue_xfer); 979 if (err != USBD_IN_PROGRESS) { 980 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 981 usbd_errstr(err)); 982 /* Stop the interface from process context. */ 983 usb_add_task(sc->cue_udev, &sc->cue_stop_task); 984 return (EIO); 985 } 986 987 sc->cue_cdata.cue_tx_cnt++; 988 989 return (0); 990 } 991 992 Static void 993 cue_start(struct ifnet *ifp) 994 { 995 struct cue_softc *sc = ifp->if_softc; 996 struct mbuf *m_head = NULL; 997 998 if (sc->cue_dying) 999 return; 1000 1001 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1002 1003 if (ifp->if_flags & IFF_OACTIVE) 1004 return; 1005 1006 IFQ_POLL(&ifp->if_snd, m_head); 1007 if (m_head == NULL) 1008 return; 1009 1010 if (cue_send(sc, m_head, 0)) { 1011 ifp->if_flags |= IFF_OACTIVE; 1012 return; 1013 } 1014 1015 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1016 1017 #if NBPFILTER > 0 1018 /* 1019 * If there's a BPF listener, bounce a copy of this frame 1020 * to him. 1021 */ 1022 if (ifp->if_bpf) 1023 BPF_MTAP(ifp, m_head); 1024 #endif 1025 1026 ifp->if_flags |= IFF_OACTIVE; 1027 1028 /* 1029 * Set a timeout in case the chip goes out to lunch. 1030 */ 1031 ifp->if_timer = 5; 1032 } 1033 1034 Static void 1035 cue_init(void *xsc) 1036 { 1037 struct cue_softc *sc = xsc; 1038 struct ifnet *ifp = GET_IFP(sc); 1039 int i, s, ctl; 1040 u_char *eaddr; 1041 1042 if (sc->cue_dying) 1043 return; 1044 1045 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1046 1047 if (ifp->if_flags & IFF_RUNNING) 1048 return; 1049 1050 s = splimp(); 1051 1052 /* 1053 * Cancel pending I/O and free all RX/TX buffers. 1054 */ 1055 #if 1 1056 cue_reset(sc); 1057 #endif 1058 1059 /* Set advanced operation modes. */ 1060 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1061 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1062 1063 #if defined(__OpenBSD__) 1064 eaddr = sc->arpcom.ac_enaddr; 1065 #elif defined(__NetBSD__) 1066 eaddr = LLADDR(ifp->if_sadl); 1067 #endif 1068 /* Set MAC address */ 1069 for (i = 0; i < ETHER_ADDR_LEN; i++) 1070 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1071 1072 /* Enable RX logic. */ 1073 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1074 if (ifp->if_flags & IFF_PROMISC) 1075 ctl |= CUE_ETHCTL_PROMISC; 1076 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1077 1078 /* Init TX ring. */ 1079 if (cue_tx_list_init(sc) == ENOBUFS) { 1080 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1081 splx(s); 1082 return; 1083 } 1084 1085 /* Init RX ring. */ 1086 if (cue_rx_list_init(sc) == ENOBUFS) { 1087 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1088 splx(s); 1089 return; 1090 } 1091 1092 /* Load the multicast filter. */ 1093 cue_setmulti(sc); 1094 1095 /* 1096 * Set the number of RX and TX buffers that we want 1097 * to reserve inside the ASIC. 1098 */ 1099 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1100 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1101 1102 /* Set advanced operation modes. */ 1103 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1104 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1105 1106 /* Program the LED operation. */ 1107 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1108 1109 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1110 if (cue_open_pipes(sc)) { 1111 splx(s); 1112 return; 1113 } 1114 } 1115 1116 ifp->if_flags |= IFF_RUNNING; 1117 ifp->if_flags &= ~IFF_OACTIVE; 1118 1119 splx(s); 1120 1121 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1122 } 1123 1124 Static int 1125 cue_open_pipes(struct cue_softc *sc) 1126 { 1127 struct cue_chain *c; 1128 usbd_status err; 1129 int i; 1130 1131 /* Open RX and TX pipes. */ 1132 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1133 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1134 if (err) { 1135 printf("%s: open rx pipe failed: %s\n", 1136 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1137 return (EIO); 1138 } 1139 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1140 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1141 if (err) { 1142 printf("%s: open tx pipe failed: %s\n", 1143 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1144 return (EIO); 1145 } 1146 1147 /* Start up the receive pipe. */ 1148 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1149 c = &sc->cue_cdata.cue_rx_chain[i]; 1150 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1151 c, c->cue_buf, CUE_BUFSZ, 1152 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1153 cue_rxeof); 1154 usbd_transfer(c->cue_xfer); 1155 } 1156 1157 return (0); 1158 } 1159 1160 Static int 1161 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1162 { 1163 struct cue_softc *sc = ifp->if_softc; 1164 struct ifaddr *ifa = (struct ifaddr *)data; 1165 struct ifreq *ifr = (struct ifreq *)data; 1166 int s, error = 0; 1167 1168 if (sc->cue_dying) 1169 return (EIO); 1170 1171 s = splimp(); 1172 1173 switch(command) { 1174 case SIOCSIFADDR: 1175 ifp->if_flags |= IFF_UP; 1176 cue_init(sc); 1177 1178 switch (ifa->ifa_addr->sa_family) { 1179 #ifdef INET 1180 case AF_INET: 1181 #if defined(__NetBSD__) 1182 arp_ifinit(ifp, ifa); 1183 #else 1184 arp_ifinit(&sc->arpcom, ifa); 1185 #endif 1186 break; 1187 #endif /* INET */ 1188 #ifdef NS 1189 case AF_NS: 1190 { 1191 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1192 1193 if (ns_nullhost(*ina)) 1194 ina->x_host = *(union ns_host *) 1195 LLADDR(ifp->if_sadl); 1196 else 1197 memcpy(LLADDR(ifp->if_sadl), 1198 ina->x_host.c_host, 1199 ifp->if_addrlen); 1200 break; 1201 } 1202 #endif /* NS */ 1203 } 1204 break; 1205 1206 case SIOCSIFMTU: 1207 if (ifr->ifr_mtu > ETHERMTU) 1208 error = EINVAL; 1209 else 1210 ifp->if_mtu = ifr->ifr_mtu; 1211 break; 1212 1213 case SIOCSIFFLAGS: 1214 if (ifp->if_flags & IFF_UP) { 1215 if (ifp->if_flags & IFF_RUNNING && 1216 ifp->if_flags & IFF_PROMISC && 1217 !(sc->cue_if_flags & IFF_PROMISC)) { 1218 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1219 cue_setmulti(sc); 1220 } else if (ifp->if_flags & IFF_RUNNING && 1221 !(ifp->if_flags & IFF_PROMISC) && 1222 sc->cue_if_flags & IFF_PROMISC) { 1223 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1224 cue_setmulti(sc); 1225 } else if (!(ifp->if_flags & IFF_RUNNING)) 1226 cue_init(sc); 1227 } else { 1228 if (ifp->if_flags & IFF_RUNNING) 1229 cue_stop(sc); 1230 } 1231 sc->cue_if_flags = ifp->if_flags; 1232 error = 0; 1233 break; 1234 case SIOCADDMULTI: 1235 case SIOCDELMULTI: 1236 cue_setmulti(sc); 1237 error = 0; 1238 break; 1239 default: 1240 error = EINVAL; 1241 break; 1242 } 1243 1244 splx(s); 1245 1246 return (error); 1247 } 1248 1249 Static void 1250 cue_watchdog(struct ifnet *ifp) 1251 { 1252 struct cue_softc *sc = ifp->if_softc; 1253 struct cue_chain *c; 1254 usbd_status stat; 1255 int s; 1256 1257 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1258 1259 if (sc->cue_dying) 1260 return; 1261 1262 ifp->if_oerrors++; 1263 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1264 1265 s = splusb(); 1266 c = &sc->cue_cdata.cue_tx_chain[0]; 1267 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1268 cue_txeof(c->cue_xfer, c, stat); 1269 1270 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1271 cue_start(ifp); 1272 splx(s); 1273 } 1274 1275 /* 1276 * Stop the adapter and free any mbufs allocated to the 1277 * RX and TX lists. 1278 */ 1279 Static void 1280 cue_stop(struct cue_softc *sc) 1281 { 1282 usbd_status err; 1283 struct ifnet *ifp; 1284 int i; 1285 1286 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1287 1288 ifp = GET_IFP(sc); 1289 ifp->if_timer = 0; 1290 1291 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1292 cue_reset(sc); 1293 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1294 1295 /* Stop transfers. */ 1296 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1297 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1298 if (err) { 1299 printf("%s: abort rx pipe failed: %s\n", 1300 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1301 } 1302 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1303 if (err) { 1304 printf("%s: close rx pipe failed: %s\n", 1305 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1306 } 1307 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1308 } 1309 1310 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1311 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1312 if (err) { 1313 printf("%s: abort tx pipe failed: %s\n", 1314 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1315 } 1316 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1317 if (err) { 1318 printf("%s: close tx pipe failed: %s\n", 1319 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1320 } 1321 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1322 } 1323 1324 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1325 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1326 if (err) { 1327 printf("%s: abort intr pipe failed: %s\n", 1328 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1329 } 1330 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1331 if (err) { 1332 printf("%s: close intr pipe failed: %s\n", 1333 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1334 } 1335 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1336 } 1337 1338 /* Free RX resources. */ 1339 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1340 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1341 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1342 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1343 } 1344 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1345 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1346 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1347 } 1348 } 1349 1350 /* Free TX resources. */ 1351 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1352 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1353 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1354 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1355 } 1356 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1357 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1358 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1359 } 1360 } 1361 1362 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1363 } 1364
Indexes created Sat Sep 27 22:09:54 GMT 2025