if_cue.c revision 1.48.10.1
1 /* $NetBSD: if_cue.c,v 1.48.10.1 2007/05/22 14:57:37 itohy 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 #include <sys/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: if_cue.c,v 1.48.10.1 2007/05/22 14:57:37 itohy Exp $"); 60 61 #if defined(__NetBSD__) 62 #include "opt_inet.h" 63 #include "bpfilter.h" 64 #include "rnd.h" 65 #elif defined(__OpenBSD__) 66 #include "bpfilter.h" 67 #endif /* defined(__OpenBSD__) */ 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #if !defined(__OpenBSD__) 72 #include <sys/callout.h> 73 #endif 74 #include <sys/sockio.h> 75 #include <sys/mbuf.h> 76 #include <sys/malloc.h> 77 #include <sys/kernel.h> 78 #include <sys/socket.h> 79 80 #include <sys/device.h> 81 #if NRND > 0 82 #include <sys/rnd.h> 83 #endif 84 85 #include <net/if.h> 86 #if defined(__NetBSD__) 87 #include <net/if_arp.h> 88 #endif 89 #include <net/if_dl.h> 90 91 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 92 93 #if NBPFILTER > 0 94 #include <net/bpf.h> 95 #endif 96 97 #if defined(__NetBSD__) 98 #include <net/if_ether.h> 99 #ifdef INET 100 #include <netinet/in.h> 101 #include <netinet/if_inarp.h> 102 #endif 103 #endif /* defined(__NetBSD__) */ 104 105 #if defined(__OpenBSD__) 106 #ifdef INET 107 #include <netinet/in.h> 108 #include <netinet/in_systm.h> 109 #include <netinet/in_var.h> 110 #include <netinet/ip.h> 111 #include <netinet/if_ether.h> 112 #endif 113 #endif /* defined(__OpenBSD__) */ 114 115 116 #include <dev/usb/usb.h> 117 #include <dev/usb/usbdi.h> 118 #include <dev/usb/usbdi_util.h> 119 #include <dev/usb/usbdevs.h> 120 121 #include <dev/usb/if_cuereg.h> 122 123 #ifdef CUE_DEBUG 124 #define DPRINTF(x) if (cuedebug) logprintf x 125 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 126 int cuedebug = 0; 127 #else 128 #define DPRINTF(x) 129 #define DPRINTFN(n,x) 130 #endif 131 132 /* 133 * Various supported device vendors/products. 134 */ 135 Static struct usb_devno cue_devs[] = { 136 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 137 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 138 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 139 /* Belkin F5U111 adapter covered by NETMATE entry */ 140 }; 141 #define cue_lookup(v, p) (usb_lookup(cue_devs, v, p)) 142 143 USB_DECLARE_DRIVER(cue); 144 145 Static int cue_open_pipes(struct cue_softc *); 146 Static int cue_tx_list_init(struct cue_softc *); 147 Static int cue_rx_list_init(struct cue_softc *); 148 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 149 Static int cue_send(struct cue_softc *, struct mbuf *, int); 150 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 151 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 152 Static void cue_tick(void *); 153 Static void cue_tick_task(void *); 154 Static void cue_start(struct ifnet *); 155 Static int cue_ioctl(struct ifnet *, u_long, caddr_t); 156 Static void cue_init(void *); 157 Static void cue_stop(struct cue_softc *); 158 Static void cue_watchdog(struct ifnet *); 159 160 Static void cue_setmulti(struct cue_softc *); 161 Static u_int32_t cue_crc(const char *); 162 Static void cue_reset(struct cue_softc *); 163 164 Static int cue_csr_read_1(struct cue_softc *, int); 165 Static int cue_csr_write_1(struct cue_softc *, int, int); 166 Static int cue_csr_read_2(struct cue_softc *, int); 167 #if 0 168 Static int cue_csr_write_2(struct cue_softc *, int, int); 169 #endif 170 Static int cue_mem(struct cue_softc *, int, int, void *, int); 171 Static int cue_getmac(struct cue_softc *, void *); 172 173 #define CUE_SETBIT(sc, reg, x) \ 174 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 175 176 #define CUE_CLRBIT(sc, reg, x) \ 177 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 178 179 Static int 180 cue_csr_read_1(struct cue_softc *sc, int reg) 181 { 182 usb_device_request_t req; 183 usbd_status err; 184 u_int8_t val = 0; 185 186 if (sc->cue_dying) 187 return (0); 188 189 req.bmRequestType = UT_READ_VENDOR_DEVICE; 190 req.bRequest = CUE_CMD_READREG; 191 USETW(req.wValue, 0); 192 USETW(req.wIndex, reg); 193 USETW(req.wLength, 1); 194 195 err = usbd_do_request(sc->cue_udev, &req, &val); 196 197 if (err) { 198 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 199 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 200 return (0); 201 } 202 203 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 204 USBDEVNAME(sc->cue_dev), reg, val)); 205 206 return (val); 207 } 208 209 Static int 210 cue_csr_read_2(struct cue_softc *sc, int reg) 211 { 212 usb_device_request_t req; 213 usbd_status err; 214 uWord val; 215 216 if (sc->cue_dying) 217 return (0); 218 219 req.bmRequestType = UT_READ_VENDOR_DEVICE; 220 req.bRequest = CUE_CMD_READREG; 221 USETW(req.wValue, 0); 222 USETW(req.wIndex, reg); 223 USETW(req.wLength, 2); 224 225 err = usbd_do_request(sc->cue_udev, &req, &val); 226 227 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 228 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 229 230 if (err) { 231 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 232 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 233 return (0); 234 } 235 236 return (UGETW(val)); 237 } 238 239 Static int 240 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 241 { 242 usb_device_request_t req; 243 usbd_status err; 244 245 if (sc->cue_dying) 246 return (0); 247 248 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 249 USBDEVNAME(sc->cue_dev), reg, val)); 250 251 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 252 req.bRequest = CUE_CMD_WRITEREG; 253 USETW(req.wValue, val); 254 USETW(req.wIndex, reg); 255 USETW(req.wLength, 0); 256 257 err = usbd_do_request(sc->cue_udev, &req, NULL); 258 259 if (err) { 260 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 261 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 262 return (-1); 263 } 264 265 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 266 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 267 268 return (0); 269 } 270 271 #if 0 272 Static int 273 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 274 { 275 usb_device_request_t req; 276 usbd_status err; 277 uWord val; 278 int s; 279 280 if (sc->cue_dying) 281 return (0); 282 283 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 284 USBDEVNAME(sc->cue_dev), reg, aval)); 285 286 USETW(val, aval); 287 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 288 req.bRequest = CUE_CMD_WRITEREG; 289 USETW(req.wValue, val); 290 USETW(req.wIndex, reg); 291 USETW(req.wLength, 0); 292 293 err = usbd_do_request(sc->cue_udev, &req, NULL); 294 295 if (err) { 296 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 297 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 298 return (-1); 299 } 300 301 return (0); 302 } 303 #endif 304 305 Static int 306 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 307 { 308 usb_device_request_t req; 309 usbd_status err; 310 311 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 312 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 313 314 if (cmd == CUE_CMD_READSRAM) 315 req.bmRequestType = UT_READ_VENDOR_DEVICE; 316 else 317 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 318 req.bRequest = cmd; 319 USETW(req.wValue, 0); 320 USETW(req.wIndex, addr); 321 USETW(req.wLength, len); 322 323 err = usbd_do_request(sc->cue_udev, &req, buf); 324 325 if (err) { 326 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 327 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 328 return (-1); 329 } 330 331 return (0); 332 } 333 334 Static int 335 cue_getmac(struct cue_softc *sc, void *buf) 336 { 337 usb_device_request_t req; 338 usbd_status err; 339 340 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 341 342 req.bmRequestType = UT_READ_VENDOR_DEVICE; 343 req.bRequest = CUE_CMD_GET_MACADDR; 344 USETW(req.wValue, 0); 345 USETW(req.wIndex, 0); 346 USETW(req.wLength, ETHER_ADDR_LEN); 347 348 err = usbd_do_request(sc->cue_udev, &req, buf); 349 350 if (err) { 351 printf("%s: read MAC address failed\n",USBDEVNAME(sc->cue_dev)); 352 return (-1); 353 } 354 355 return (0); 356 } 357 358 #define CUE_POLY 0xEDB88320 359 #define CUE_BITS 9 360 361 Static u_int32_t 362 cue_crc(const char *addr) 363 { 364 u_int32_t idx, bit, data, crc; 365 366 /* Compute CRC for the address value. */ 367 crc = 0xFFFFFFFF; /* initial value */ 368 369 for (idx = 0; idx < 6; idx++) { 370 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 371 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 372 } 373 374 return (crc & ((1 << CUE_BITS) - 1)); 375 } 376 377 Static void 378 cue_setmulti(struct cue_softc *sc) 379 { 380 struct ifnet *ifp; 381 struct ether_multi *enm; 382 struct ether_multistep step; 383 u_int32_t h, i; 384 385 ifp = GET_IFP(sc); 386 387 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 388 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 389 390 if (ifp->if_flags & IFF_PROMISC) { 391 allmulti: 392 ifp->if_flags |= IFF_ALLMULTI; 393 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 394 sc->cue_mctab[i] = 0xFF; 395 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 396 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 397 return; 398 } 399 400 /* first, zot all the existing hash bits */ 401 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 402 sc->cue_mctab[i] = 0; 403 404 /* now program new ones */ 405 #if defined(__NetBSD__) 406 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 407 #else 408 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 409 #endif 410 while (enm != NULL) { 411 if (memcmp(enm->enm_addrlo, 412 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 413 goto allmulti; 414 415 h = cue_crc(enm->enm_addrlo); 416 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 417 ETHER_NEXT_MULTI(step, enm); 418 } 419 420 ifp->if_flags &= ~IFF_ALLMULTI; 421 422 /* 423 * Also include the broadcast address in the filter 424 * so we can receive broadcast frames. 425 */ 426 if (ifp->if_flags & IFF_BROADCAST) { 427 h = cue_crc(etherbroadcastaddr); 428 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 429 } 430 431 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 432 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 433 } 434 435 Static void 436 cue_reset(struct cue_softc *sc) 437 { 438 usb_device_request_t req; 439 usbd_status err; 440 441 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 442 443 if (sc->cue_dying) 444 return; 445 446 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 447 req.bRequest = CUE_CMD_RESET; 448 USETW(req.wValue, 0); 449 USETW(req.wIndex, 0); 450 USETW(req.wLength, 0); 451 452 err = usbd_do_request(sc->cue_udev, &req, NULL); 453 454 if (err) 455 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 456 457 /* Wait a little while for the chip to get its brains in order. */ 458 usbd_delay_ms(sc->cue_udev, 1); 459 } 460 461 /* 462 * Probe for a CATC chip. 463 */ 464 USB_MATCH(cue) 465 { 466 USB_MATCH_START(cue, uaa); 467 468 if (uaa->iface != NULL) 469 return (UMATCH_NONE); 470 471 return (cue_lookup(uaa->vendor, uaa->product) != NULL ? 472 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 473 } 474 475 /* 476 * Attach the interface. Allocate softc structures, do ifmedia 477 * setup and ethernet/BPF attach. 478 */ 479 USB_ATTACH(cue) 480 { 481 USB_ATTACH_START(cue, sc, uaa); 482 char *devinfop; 483 int s; 484 u_char eaddr[ETHER_ADDR_LEN]; 485 usbd_device_handle dev = uaa->device; 486 usbd_interface_handle iface; 487 usbd_status err; 488 struct ifnet *ifp; 489 usb_interface_descriptor_t *id; 490 usb_endpoint_descriptor_t *ed; 491 int i; 492 493 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 494 495 devinfop = usbd_devinfo_alloc(dev, 0); 496 USB_ATTACH_SETUP; 497 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfop); 498 usbd_devinfo_free(devinfop); 499 500 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 501 if (err) { 502 printf("%s: setting config no failed\n", 503 USBDEVNAME(sc->cue_dev)); 504 USB_ATTACH_ERROR_RETURN; 505 } 506 507 sc->cue_udev = dev; 508 sc->cue_product = uaa->product; 509 sc->cue_vendor = uaa->vendor; 510 511 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 512 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 513 514 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 515 if (err) { 516 printf("%s: getting interface handle failed\n", 517 USBDEVNAME(sc->cue_dev)); 518 USB_ATTACH_ERROR_RETURN; 519 } 520 521 sc->cue_iface = iface; 522 id = usbd_get_interface_descriptor(iface); 523 524 /* Find endpoints. */ 525 for (i = 0; i < id->bNumEndpoints; i++) { 526 ed = usbd_interface2endpoint_descriptor(iface, i); 527 if (ed == NULL) { 528 printf("%s: couldn't get ep %d\n", 529 USBDEVNAME(sc->cue_dev), i); 530 USB_ATTACH_ERROR_RETURN; 531 } 532 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 533 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 534 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 535 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 536 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 537 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 538 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 539 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 540 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 541 } 542 } 543 544 #if 0 545 /* Reset the adapter. */ 546 cue_reset(sc); 547 #endif 548 /* 549 * Get station address. 550 */ 551 cue_getmac(sc, &eaddr); 552 553 s = splnet(); 554 555 /* 556 * A CATC chip was detected. Inform the world. 557 */ 558 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 559 ether_sprintf(eaddr)); 560 561 /* Initialize interface info.*/ 562 ifp = GET_IFP(sc); 563 ifp->if_softc = sc; 564 ifp->if_mtu = ETHERMTU; 565 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 566 ifp->if_ioctl = cue_ioctl; 567 ifp->if_start = cue_start; 568 ifp->if_watchdog = cue_watchdog; 569 #if defined(__OpenBSD__) 570 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 571 #endif 572 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 573 574 IFQ_SET_READY(&ifp->if_snd); 575 576 /* Attach the interface. */ 577 if_attach(ifp); 578 Ether_ifattach(ifp, eaddr); 579 #if NRND > 0 580 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 581 RND_TYPE_NET, 0); 582 #endif 583 584 usb_callout_init(sc->cue_stat_ch); 585 586 sc->cue_attached = 1; 587 splx(s); 588 589 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 590 USBDEV(sc->cue_dev)); 591 592 USB_ATTACH_SUCCESS_RETURN; 593 } 594 595 USB_DETACH(cue) 596 { 597 USB_DETACH_START(cue, sc); 598 struct ifnet *ifp = GET_IFP(sc); 599 int s; 600 601 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 602 603 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 604 /* 605 * Remove any pending task. It cannot be executing because it run 606 * in the same thread as detach. 607 */ 608 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 609 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 610 611 if (!sc->cue_attached) { 612 /* Detached before attached finished, so just bail out. */ 613 return (0); 614 } 615 616 s = splusb(); 617 618 if (ifp->if_flags & IFF_RUNNING) 619 cue_stop(sc); 620 621 #if defined(__NetBSD__) 622 #if NRND > 0 623 rnd_detach_source(&sc->rnd_source); 624 #endif 625 ether_ifdetach(ifp); 626 #endif /* __NetBSD__ */ 627 628 if_detach(ifp); 629 630 #ifdef DIAGNOSTIC 631 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 632 sc->cue_ep[CUE_ENDPT_RX] != NULL || 633 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 634 printf("%s: detach has active endpoints\n", 635 USBDEVNAME(sc->cue_dev)); 636 #endif 637 638 sc->cue_attached = 0; 639 splx(s); 640 641 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 642 USBDEV(sc->cue_dev)); 643 644 return (0); 645 } 646 647 int 648 cue_activate(device_ptr_t self, enum devact act) 649 { 650 struct cue_softc *sc = (struct cue_softc *)self; 651 652 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 653 654 switch (act) { 655 case DVACT_ACTIVATE: 656 return (EOPNOTSUPP); 657 break; 658 659 case DVACT_DEACTIVATE: 660 /* Deactivate the interface. */ 661 if_deactivate(&sc->cue_ec.ec_if); 662 sc->cue_dying = 1; 663 break; 664 } 665 return (0); 666 } 667 668 /* 669 * Initialize an RX descriptor and attach an MBUF cluster. 670 */ 671 Static int 672 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 673 { 674 struct mbuf *m_new = NULL; 675 676 if (m == NULL) { 677 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 678 if (m_new == NULL) { 679 printf("%s: no memory for rx list " 680 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 681 return (ENOBUFS); 682 } 683 684 MCLGET(m_new, M_DONTWAIT); 685 if (!(m_new->m_flags & M_EXT)) { 686 printf("%s: no memory for rx list " 687 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 688 m_freem(m_new); 689 return (ENOBUFS); 690 } 691 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 692 } else { 693 m_new = m; 694 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 695 m_new->m_data = m_new->m_ext.ext_buf; 696 } 697 698 m_adj(m_new, ETHER_ALIGN); 699 c->cue_mbuf = m_new; 700 701 return (0); 702 } 703 704 Static int 705 cue_rx_list_init(struct cue_softc *sc) 706 { 707 struct cue_cdata *cd; 708 struct cue_chain *c; 709 int i; 710 711 cd = &sc->cue_cdata; 712 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 713 c = &cd->cue_rx_chain[i]; 714 c->cue_sc = sc; 715 c->cue_idx = i; 716 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 717 return (ENOBUFS); 718 if (c->cue_xfer == NULL) { 719 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev, 720 sc->cue_ep[CUE_ENDPT_RX]); 721 if (c->cue_xfer == NULL) 722 return (ENOBUFS); 723 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 724 if (c->cue_buf == NULL) { 725 usbd_free_xfer(c->cue_xfer); 726 return (ENOBUFS); 727 } 728 } 729 } 730 731 return (0); 732 } 733 734 Static int 735 cue_tx_list_init(struct cue_softc *sc) 736 { 737 struct cue_cdata *cd; 738 struct cue_chain *c; 739 int i; 740 741 cd = &sc->cue_cdata; 742 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 743 c = &cd->cue_tx_chain[i]; 744 c->cue_sc = sc; 745 c->cue_idx = i; 746 c->cue_mbuf = NULL; 747 if (c->cue_xfer == NULL) { 748 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev, 749 sc->cue_ep[CUE_ENDPT_TX]); 750 if (c->cue_xfer == NULL) 751 return (ENOBUFS); 752 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 753 if (c->cue_buf == NULL) { 754 usbd_free_xfer(c->cue_xfer); 755 return (ENOBUFS); 756 } 757 } 758 } 759 760 return (0); 761 } 762 763 /* 764 * A frame has been uploaded: pass the resulting mbuf chain up to 765 * the higher level protocols. 766 */ 767 Static void 768 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 769 { 770 struct cue_chain *c = priv; 771 struct cue_softc *sc = c->cue_sc; 772 struct ifnet *ifp = GET_IFP(sc); 773 struct mbuf *m; 774 int total_len = 0; 775 u_int16_t len; 776 int s; 777 778 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 779 __func__, status)); 780 781 if (sc->cue_dying) 782 return; 783 784 if (!(ifp->if_flags & IFF_RUNNING)) 785 return; 786 787 if (status != USBD_NORMAL_COMPLETION) { 788 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 789 return; 790 sc->cue_rx_errs++; 791 if (usbd_ratecheck(&sc->cue_rx_notice)) { 792 printf("%s: %u usb errors on rx: %s\n", 793 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 794 usbd_errstr(status)); 795 sc->cue_rx_errs = 0; 796 } 797 if (status == USBD_STALLED) 798 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 799 goto done; 800 } 801 802 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 803 804 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 805 806 m = c->cue_mbuf; 807 len = UGETW(mtod(m, u_int8_t *)); 808 809 /* No errors; receive the packet. */ 810 total_len = len; 811 812 if (len < sizeof(struct ether_header)) { 813 ifp->if_ierrors++; 814 goto done; 815 } 816 817 ifp->if_ipackets++; 818 m_adj(m, sizeof(u_int16_t)); 819 m->m_pkthdr.len = m->m_len = total_len; 820 821 m->m_pkthdr.rcvif = ifp; 822 823 s = splnet(); 824 825 /* XXX ugly */ 826 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 827 ifp->if_ierrors++; 828 goto done1; 829 } 830 831 #if NBPFILTER > 0 832 /* 833 * Handle BPF listeners. Let the BPF user see the packet, but 834 * don't pass it up to the ether_input() layer unless it's 835 * a broadcast packet, multicast packet, matches our ethernet 836 * address or the interface is in promiscuous mode. 837 */ 838 if (ifp->if_bpf) 839 BPF_MTAP(ifp, m); 840 #endif 841 842 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 843 __func__, m->m_len)); 844 IF_INPUT(ifp, m); 845 done1: 846 splx(s); 847 848 done: 849 /* Setup new transfer. */ 850 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 851 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 852 USBD_NO_TIMEOUT, cue_rxeof); 853 usbd_transfer(c->cue_xfer); 854 855 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 856 __func__)); 857 } 858 859 /* 860 * A frame was downloaded to the chip. It's safe for us to clean up 861 * the list buffers. 862 */ 863 Static void 864 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 865 usbd_status status) 866 { 867 struct cue_chain *c = priv; 868 struct cue_softc *sc = c->cue_sc; 869 struct ifnet *ifp = GET_IFP(sc); 870 int s; 871 872 if (sc->cue_dying) 873 return; 874 875 s = splnet(); 876 877 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 878 __func__, status)); 879 880 ifp->if_timer = 0; 881 ifp->if_flags &= ~IFF_OACTIVE; 882 883 if (status != USBD_NORMAL_COMPLETION) { 884 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 885 splx(s); 886 return; 887 } 888 ifp->if_oerrors++; 889 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 890 usbd_errstr(status)); 891 if (status == USBD_STALLED) 892 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 893 splx(s); 894 return; 895 } 896 897 ifp->if_opackets++; 898 899 m_freem(c->cue_mbuf); 900 c->cue_mbuf = NULL; 901 902 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 903 cue_start(ifp); 904 905 splx(s); 906 } 907 908 Static void 909 cue_tick(void *xsc) 910 { 911 struct cue_softc *sc = xsc; 912 913 if (sc == NULL) 914 return; 915 916 if (sc->cue_dying) 917 return; 918 919 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 920 921 /* Perform statistics update in process context. */ 922 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 923 } 924 925 Static void 926 cue_tick_task(void *xsc) 927 { 928 struct cue_softc *sc = xsc; 929 struct ifnet *ifp; 930 931 if (sc->cue_dying) 932 return; 933 934 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 935 936 ifp = GET_IFP(sc); 937 938 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 939 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 940 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 941 942 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 943 ifp->if_ierrors++; 944 } 945 946 Static int 947 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 948 { 949 int total_len; 950 struct cue_chain *c; 951 usbd_status err; 952 953 c = &sc->cue_cdata.cue_tx_chain[idx]; 954 955 /* 956 * Copy the mbuf data into a contiguous buffer, leaving two 957 * bytes at the beginning to hold the frame length. 958 */ 959 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 960 c->cue_mbuf = m; 961 962 total_len = m->m_pkthdr.len + 2; 963 964 DPRINTFN(10,("%s: %s: total_len=%d\n", 965 USBDEVNAME(sc->cue_dev), __func__, total_len)); 966 967 /* The first two bytes are the frame length */ 968 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 969 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 970 971 /* XXX 10000 */ 972 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 973 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 974 975 /* Transmit */ 976 err = usbd_transfer(c->cue_xfer); 977 if (err != USBD_IN_PROGRESS) { 978 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 979 usbd_errstr(err)); 980 /* Stop the interface from process context. */ 981 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 982 USB_TASKQ_DRIVER); 983 return (EIO); 984 } 985 986 sc->cue_cdata.cue_tx_cnt++; 987 988 return (0); 989 } 990 991 Static void 992 cue_start(struct ifnet *ifp) 993 { 994 struct cue_softc *sc = ifp->if_softc; 995 struct mbuf *m_head = NULL; 996 997 if (sc->cue_dying) 998 return; 999 1000 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1001 1002 if (ifp->if_flags & IFF_OACTIVE) 1003 return; 1004 1005 IFQ_POLL(&ifp->if_snd, m_head); 1006 if (m_head == NULL) 1007 return; 1008 1009 if (cue_send(sc, m_head, 0)) { 1010 ifp->if_flags |= IFF_OACTIVE; 1011 return; 1012 } 1013 1014 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1015 1016 #if NBPFILTER > 0 1017 /* 1018 * If there's a BPF listener, bounce a copy of this frame 1019 * to him. 1020 */ 1021 if (ifp->if_bpf) 1022 BPF_MTAP(ifp, m_head); 1023 #endif 1024 1025 ifp->if_flags |= IFF_OACTIVE; 1026 1027 /* 1028 * Set a timeout in case the chip goes out to lunch. 1029 */ 1030 ifp->if_timer = 5; 1031 } 1032 1033 Static void 1034 cue_init(void *xsc) 1035 { 1036 struct cue_softc *sc = xsc; 1037 struct ifnet *ifp = GET_IFP(sc); 1038 int i, s, ctl; 1039 u_char *eaddr; 1040 1041 if (sc->cue_dying) 1042 return; 1043 1044 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1045 1046 if (ifp->if_flags & IFF_RUNNING) 1047 return; 1048 1049 s = splnet(); 1050 1051 /* 1052 * Cancel pending I/O and free all RX/TX buffers. 1053 */ 1054 #if 1 1055 cue_reset(sc); 1056 #endif 1057 1058 /* Set advanced operation modes. */ 1059 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1060 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1061 1062 #if defined(__OpenBSD__) 1063 eaddr = sc->arpcom.ac_enaddr; 1064 #elif defined(__NetBSD__) 1065 eaddr = LLADDR(ifp->if_sadl); 1066 #endif 1067 /* Set MAC address */ 1068 for (i = 0; i < ETHER_ADDR_LEN; i++) 1069 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1070 1071 /* Enable RX logic. */ 1072 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1073 if (ifp->if_flags & IFF_PROMISC) 1074 ctl |= CUE_ETHCTL_PROMISC; 1075 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1076 1077 /* Init TX ring. */ 1078 if (cue_tx_list_init(sc) == ENOBUFS) { 1079 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1080 splx(s); 1081 return; 1082 } 1083 1084 /* Init RX ring. */ 1085 if (cue_rx_list_init(sc) == ENOBUFS) { 1086 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1087 splx(s); 1088 return; 1089 } 1090 1091 /* Load the multicast filter. */ 1092 cue_setmulti(sc); 1093 1094 /* 1095 * Set the number of RX and TX buffers that we want 1096 * to reserve inside the ASIC. 1097 */ 1098 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1099 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1100 1101 /* Set advanced operation modes. */ 1102 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1103 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1104 1105 /* Program the LED operation. */ 1106 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1107 1108 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1109 if (cue_open_pipes(sc)) { 1110 splx(s); 1111 return; 1112 } 1113 } 1114 1115 ifp->if_flags |= IFF_RUNNING; 1116 ifp->if_flags &= ~IFF_OACTIVE; 1117 1118 splx(s); 1119 1120 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1121 } 1122 1123 Static int 1124 cue_open_pipes(struct cue_softc *sc) 1125 { 1126 struct cue_chain *c; 1127 usbd_status err; 1128 int i; 1129 1130 /* Open RX and TX pipes. */ 1131 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1132 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1133 if (err) { 1134 printf("%s: open rx pipe failed: %s\n", 1135 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1136 return (EIO); 1137 } 1138 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1139 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1140 if (err) { 1141 printf("%s: open tx pipe failed: %s\n", 1142 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1143 return (EIO); 1144 } 1145 1146 /* Start up the receive pipe. */ 1147 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1148 c = &sc->cue_cdata.cue_rx_chain[i]; 1149 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1150 c, c->cue_buf, CUE_BUFSZ, 1151 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1152 cue_rxeof); 1153 usbd_transfer(c->cue_xfer); 1154 } 1155 1156 return (0); 1157 } 1158 1159 Static int 1160 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1161 { 1162 struct cue_softc *sc = ifp->if_softc; 1163 struct ifaddr *ifa = (struct ifaddr *)data; 1164 struct ifreq *ifr = (struct ifreq *)data; 1165 int s, error = 0; 1166 1167 if (sc->cue_dying) 1168 return (EIO); 1169 1170 s = splnet(); 1171 1172 switch(command) { 1173 case SIOCSIFADDR: 1174 ifp->if_flags |= IFF_UP; 1175 cue_init(sc); 1176 1177 switch (ifa->ifa_addr->sa_family) { 1178 #ifdef INET 1179 case AF_INET: 1180 #if defined(__NetBSD__) 1181 arp_ifinit(ifp, ifa); 1182 #else 1183 arp_ifinit(&sc->arpcom, ifa); 1184 #endif 1185 break; 1186 #endif /* INET */ 1187 } 1188 break; 1189 1190 case SIOCSIFMTU: 1191 if (ifr->ifr_mtu > ETHERMTU) 1192 error = EINVAL; 1193 else 1194 ifp->if_mtu = ifr->ifr_mtu; 1195 break; 1196 1197 case SIOCSIFFLAGS: 1198 if (ifp->if_flags & IFF_UP) { 1199 if (ifp->if_flags & IFF_RUNNING && 1200 ifp->if_flags & IFF_PROMISC && 1201 !(sc->cue_if_flags & IFF_PROMISC)) { 1202 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1203 cue_setmulti(sc); 1204 } else if (ifp->if_flags & IFF_RUNNING && 1205 !(ifp->if_flags & IFF_PROMISC) && 1206 sc->cue_if_flags & IFF_PROMISC) { 1207 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1208 cue_setmulti(sc); 1209 } else if (!(ifp->if_flags & IFF_RUNNING)) 1210 cue_init(sc); 1211 } else { 1212 if (ifp->if_flags & IFF_RUNNING) 1213 cue_stop(sc); 1214 } 1215 sc->cue_if_flags = ifp->if_flags; 1216 error = 0; 1217 break; 1218 case SIOCADDMULTI: 1219 case SIOCDELMULTI: 1220 cue_setmulti(sc); 1221 error = 0; 1222 break; 1223 default: 1224 error = EINVAL; 1225 break; 1226 } 1227 1228 splx(s); 1229 1230 return (error); 1231 } 1232 1233 Static void 1234 cue_watchdog(struct ifnet *ifp) 1235 { 1236 struct cue_softc *sc = ifp->if_softc; 1237 struct cue_chain *c; 1238 usbd_status stat; 1239 int s; 1240 1241 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1242 1243 if (sc->cue_dying) 1244 return; 1245 1246 ifp->if_oerrors++; 1247 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1248 1249 s = splusb(); 1250 c = &sc->cue_cdata.cue_tx_chain[0]; 1251 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1252 cue_txeof(c->cue_xfer, c, stat); 1253 1254 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1255 cue_start(ifp); 1256 splx(s); 1257 } 1258 1259 /* 1260 * Stop the adapter and free any mbufs allocated to the 1261 * RX and TX lists. 1262 */ 1263 Static void 1264 cue_stop(struct cue_softc *sc) 1265 { 1266 usbd_status err; 1267 struct ifnet *ifp; 1268 int i; 1269 1270 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1271 1272 ifp = GET_IFP(sc); 1273 ifp->if_timer = 0; 1274 1275 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1276 cue_reset(sc); 1277 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1278 1279 /* Stop transfers. */ 1280 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1281 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1282 if (err) { 1283 printf("%s: abort rx pipe failed: %s\n", 1284 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1285 } 1286 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1287 if (err) { 1288 printf("%s: close rx pipe failed: %s\n", 1289 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1290 } 1291 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1292 } 1293 1294 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1295 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1296 if (err) { 1297 printf("%s: abort tx pipe failed: %s\n", 1298 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1299 } 1300 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1301 if (err) { 1302 printf("%s: close tx pipe failed: %s\n", 1303 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1304 } 1305 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1306 } 1307 1308 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1309 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1310 if (err) { 1311 printf("%s: abort intr pipe failed: %s\n", 1312 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1313 } 1314 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1315 if (err) { 1316 printf("%s: close intr pipe failed: %s\n", 1317 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1318 } 1319 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1320 } 1321 1322 /* Free RX resources. */ 1323 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1324 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1325 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1326 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1327 } 1328 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1329 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1330 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1331 } 1332 } 1333 1334 /* Free TX resources. */ 1335 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1336 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1337 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1338 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1339 } 1340 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1341 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1342 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1343 } 1344 } 1345 1346 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1347 } 1348
Indexes created Fri Oct 03 02:09:57 GMT 2025