if_cue.c revision 1.33.2.2
1 /* $NetBSD: if_cue.c,v 1.33.2.2 2001/11/14 19:16:14 nathanw 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 1.33.2.2 2001/11/14 19:16:14 nathanw Exp $"); 60 61 #if defined(__NetBSD__) 62 #include "opt_inet.h" 63 #include "opt_ns.h" 64 #include "bpfilter.h" 65 #include "rnd.h" 66 #elif defined(__OpenBSD__) 67 #include "bpfilter.h" 68 #endif /* defined(__OpenBSD__) */ 69 70 #include <sys/param.h> 71 #include <sys/systm.h> 72 #if !defined(__OpenBSD__) 73 #include <sys/callout.h> 74 #endif 75 #include <sys/sockio.h> 76 #include <sys/mbuf.h> 77 #include <sys/malloc.h> 78 #include <sys/kernel.h> 79 #include <sys/socket.h> 80 81 #include <sys/device.h> 82 #if NRND > 0 83 #include <sys/rnd.h> 84 #endif 85 86 #include <net/if.h> 87 #if defined(__NetBSD__) 88 #include <net/if_arp.h> 89 #endif 90 #include <net/if_dl.h> 91 92 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 93 94 #if NBPFILTER > 0 95 #include <net/bpf.h> 96 #endif 97 98 #if defined(__NetBSD__) 99 #include <net/if_ether.h> 100 #ifdef INET 101 #include <netinet/in.h> 102 #include <netinet/if_inarp.h> 103 #endif 104 #endif /* defined(__NetBSD__) */ 105 106 #if defined(__OpenBSD__) 107 #ifdef INET 108 #include <netinet/in.h> 109 #include <netinet/in_systm.h> 110 #include <netinet/in_var.h> 111 #include <netinet/ip.h> 112 #include <netinet/if_ether.h> 113 #endif 114 #endif /* defined(__OpenBSD__) */ 115 116 #ifdef NS 117 #include <netns/ns.h> 118 #include <netns/ns_if.h> 119 #endif 120 121 #include <dev/usb/usb.h> 122 #include <dev/usb/usbdi.h> 123 #include <dev/usb/usbdi_util.h> 124 #include <dev/usb/usbdevs.h> 125 126 #include <dev/usb/if_cuereg.h> 127 128 #ifdef CUE_DEBUG 129 #define DPRINTF(x) if (cuedebug) logprintf x 130 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 131 int cuedebug = 0; 132 #else 133 #define DPRINTF(x) 134 #define DPRINTFN(n,x) 135 #endif 136 137 /* 138 * Various supported device vendors/products. 139 */ 140 Static struct cue_type cue_devs[] = { 141 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 142 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 143 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 144 /* Belkin F5U111 adapter covered by NETMATE entry */ 145 { 0, 0 } 146 }; 147 148 USB_DECLARE_DRIVER(cue); 149 150 Static int cue_open_pipes(struct cue_softc *); 151 Static int cue_tx_list_init(struct cue_softc *); 152 Static int cue_rx_list_init(struct cue_softc *); 153 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 154 Static int cue_send(struct cue_softc *, struct mbuf *, int); 155 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 156 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 157 Static void cue_tick(void *); 158 Static void cue_tick_task(void *); 159 Static void cue_start(struct ifnet *); 160 Static int cue_ioctl(struct ifnet *, u_long, caddr_t); 161 Static void cue_init(void *); 162 Static void cue_stop(struct cue_softc *); 163 Static void cue_watchdog(struct ifnet *); 164 165 Static void cue_setmulti(struct cue_softc *); 166 Static u_int32_t cue_crc(caddr_t); 167 Static void cue_reset(struct cue_softc *); 168 169 Static int cue_csr_read_1(struct cue_softc *, int); 170 Static int cue_csr_write_1(struct cue_softc *, int, int); 171 Static int cue_csr_read_2(struct cue_softc *, int); 172 #if 0 173 Static int cue_csr_write_2(struct cue_softc *, int, int); 174 #endif 175 Static int cue_mem(struct cue_softc *, int, int, void *, int); 176 Static int cue_getmac(struct cue_softc *, void *); 177 178 #define CUE_SETBIT(sc, reg, x) \ 179 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 180 181 #define CUE_CLRBIT(sc, reg, x) \ 182 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 183 184 Static int 185 cue_csr_read_1(struct cue_softc *sc, int reg) 186 { 187 usb_device_request_t req; 188 usbd_status err; 189 u_int8_t val = 0; 190 191 if (sc->cue_dying) 192 return (0); 193 194 req.bmRequestType = UT_READ_VENDOR_DEVICE; 195 req.bRequest = CUE_CMD_READREG; 196 USETW(req.wValue, 0); 197 USETW(req.wIndex, reg); 198 USETW(req.wLength, 1); 199 200 err = usbd_do_request(sc->cue_udev, &req, &val); 201 202 if (err) { 203 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 204 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 205 return (0); 206 } 207 208 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 209 USBDEVNAME(sc->cue_dev), reg, val)); 210 211 return (val); 212 } 213 214 Static int 215 cue_csr_read_2(struct cue_softc *sc, int reg) 216 { 217 usb_device_request_t req; 218 usbd_status err; 219 uWord val; 220 221 if (sc->cue_dying) 222 return (0); 223 224 req.bmRequestType = UT_READ_VENDOR_DEVICE; 225 req.bRequest = CUE_CMD_READREG; 226 USETW(req.wValue, 0); 227 USETW(req.wIndex, reg); 228 USETW(req.wLength, 2); 229 230 err = usbd_do_request(sc->cue_udev, &req, &val); 231 232 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 233 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 234 235 if (err) { 236 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 237 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 238 return (0); 239 } 240 241 return (UGETW(val)); 242 } 243 244 Static int 245 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 246 { 247 usb_device_request_t req; 248 usbd_status err; 249 250 if (sc->cue_dying) 251 return (0); 252 253 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 254 USBDEVNAME(sc->cue_dev), reg, val)); 255 256 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 257 req.bRequest = CUE_CMD_WRITEREG; 258 USETW(req.wValue, val); 259 USETW(req.wIndex, reg); 260 USETW(req.wLength, 0); 261 262 err = usbd_do_request(sc->cue_udev, &req, NULL); 263 264 if (err) { 265 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 266 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 267 return (-1); 268 } 269 270 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 271 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 272 273 return (0); 274 } 275 276 #if 0 277 Static int 278 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 279 { 280 usb_device_request_t req; 281 usbd_status err; 282 uWord val; 283 int s; 284 285 if (sc->cue_dying) 286 return (0); 287 288 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 289 USBDEVNAME(sc->cue_dev), reg, aval)); 290 291 USETW(val, aval); 292 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 293 req.bRequest = CUE_CMD_WRITEREG; 294 USETW(req.wValue, val); 295 USETW(req.wIndex, reg); 296 USETW(req.wLength, 0); 297 298 err = usbd_do_request(sc->cue_udev, &req, NULL); 299 300 if (err) { 301 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 302 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 303 return (-1); 304 } 305 306 return (0); 307 } 308 #endif 309 310 Static int 311 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 312 { 313 usb_device_request_t req; 314 usbd_status err; 315 316 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 317 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 318 319 if (cmd == CUE_CMD_READSRAM) 320 req.bmRequestType = UT_READ_VENDOR_DEVICE; 321 else 322 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 323 req.bRequest = cmd; 324 USETW(req.wValue, 0); 325 USETW(req.wIndex, addr); 326 USETW(req.wLength, len); 327 328 err = usbd_do_request(sc->cue_udev, &req, buf); 329 330 if (err) { 331 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 332 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 333 return (-1); 334 } 335 336 return (0); 337 } 338 339 Static int 340 cue_getmac(struct cue_softc *sc, void *buf) 341 { 342 usb_device_request_t req; 343 usbd_status err; 344 345 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 346 347 req.bmRequestType = UT_READ_VENDOR_DEVICE; 348 req.bRequest = CUE_CMD_GET_MACADDR; 349 USETW(req.wValue, 0); 350 USETW(req.wIndex, 0); 351 USETW(req.wLength, ETHER_ADDR_LEN); 352 353 err = usbd_do_request(sc->cue_udev, &req, buf); 354 355 if (err) { 356 printf("%s: read MAC address failed\n",USBDEVNAME(sc->cue_dev)); 357 return (-1); 358 } 359 360 return (0); 361 } 362 363 #define CUE_POLY 0xEDB88320 364 #define CUE_BITS 9 365 366 Static u_int32_t 367 cue_crc(caddr_t addr) 368 { 369 u_int32_t idx, bit, data, crc; 370 371 /* Compute CRC for the address value. */ 372 crc = 0xFFFFFFFF; /* initial value */ 373 374 for (idx = 0; idx < 6; idx++) { 375 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 376 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 377 } 378 379 return (crc & ((1 << CUE_BITS) - 1)); 380 } 381 382 Static void 383 cue_setmulti(struct cue_softc *sc) 384 { 385 struct ifnet *ifp; 386 struct ether_multi *enm; 387 struct ether_multistep step; 388 u_int32_t h, i; 389 390 ifp = GET_IFP(sc); 391 392 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 393 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 394 395 if (ifp->if_flags & IFF_PROMISC) { 396 allmulti: 397 ifp->if_flags |= IFF_ALLMULTI; 398 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 399 sc->cue_mctab[i] = 0xFF; 400 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 401 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 402 return; 403 } 404 405 /* first, zot all the existing hash bits */ 406 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 407 sc->cue_mctab[i] = 0; 408 409 /* now program new ones */ 410 #if defined(__NetBSD__) 411 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 412 #else 413 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 414 #endif 415 while (enm != NULL) { 416 if (memcmp(enm->enm_addrlo, 417 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 418 goto allmulti; 419 420 h = cue_crc(enm->enm_addrlo); 421 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 422 ETHER_NEXT_MULTI(step, enm); 423 } 424 425 ifp->if_flags &= ~IFF_ALLMULTI; 426 427 /* 428 * Also include the broadcast address in the filter 429 * so we can receive broadcast frames. 430 */ 431 if (ifp->if_flags & IFF_BROADCAST) { 432 h = cue_crc(etherbroadcastaddr); 433 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 434 } 435 436 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 437 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 438 } 439 440 Static void 441 cue_reset(struct cue_softc *sc) 442 { 443 usb_device_request_t req; 444 usbd_status err; 445 446 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 447 448 if (sc->cue_dying) 449 return; 450 451 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 452 req.bRequest = CUE_CMD_RESET; 453 USETW(req.wValue, 0); 454 USETW(req.wIndex, 0); 455 USETW(req.wLength, 0); 456 457 err = usbd_do_request(sc->cue_udev, &req, NULL); 458 459 if (err) 460 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 461 462 /* Wait a little while for the chip to get its brains in order. */ 463 usbd_delay_ms(sc->cue_udev, 1); 464 } 465 466 /* 467 * Probe for a CATC chip. 468 */ 469 USB_MATCH(cue) 470 { 471 USB_MATCH_START(cue, uaa); 472 struct cue_type *t; 473 474 if (uaa->iface != NULL) 475 return (UMATCH_NONE); 476 477 for (t = cue_devs; t->cue_vid != 0; t++) 478 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 479 return (UMATCH_VENDOR_PRODUCT); 480 481 return (UMATCH_NONE); 482 } 483 484 /* 485 * Attach the interface. Allocate softc structures, do ifmedia 486 * setup and ethernet/BPF attach. 487 */ 488 USB_ATTACH(cue) 489 { 490 USB_ATTACH_START(cue, sc, uaa); 491 char devinfo[1024]; 492 int s; 493 u_char eaddr[ETHER_ADDR_LEN]; 494 usbd_device_handle dev = uaa->device; 495 usbd_interface_handle iface; 496 usbd_status err; 497 struct ifnet *ifp; 498 usb_interface_descriptor_t *id; 499 usb_endpoint_descriptor_t *ed; 500 int i; 501 502 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 503 504 usbd_devinfo(dev, 0, devinfo); 505 USB_ATTACH_SETUP; 506 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 507 508 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 509 if (err) { 510 printf("%s: setting config no failed\n", 511 USBDEVNAME(sc->cue_dev)); 512 USB_ATTACH_ERROR_RETURN; 513 } 514 515 sc->cue_udev = dev; 516 sc->cue_product = uaa->product; 517 sc->cue_vendor = uaa->vendor; 518 519 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 520 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 521 522 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 523 if (err) { 524 printf("%s: getting interface handle failed\n", 525 USBDEVNAME(sc->cue_dev)); 526 USB_ATTACH_ERROR_RETURN; 527 } 528 529 sc->cue_iface = iface; 530 id = usbd_get_interface_descriptor(iface); 531 532 /* Find endpoints. */ 533 for (i = 0; i < id->bNumEndpoints; i++) { 534 ed = usbd_interface2endpoint_descriptor(iface, i); 535 if (ed == NULL) { 536 printf("%s: couldn't get ep %d\n", 537 USBDEVNAME(sc->cue_dev), i); 538 USB_ATTACH_ERROR_RETURN; 539 } 540 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 541 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 542 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 543 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 544 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 545 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 546 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 547 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 548 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 549 } 550 } 551 552 #if 0 553 /* Reset the adapter. */ 554 cue_reset(sc); 555 #endif 556 /* 557 * Get station address. 558 */ 559 cue_getmac(sc, &eaddr); 560 561 s = splnet(); 562 563 /* 564 * A CATC chip was detected. Inform the world. 565 */ 566 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 567 ether_sprintf(eaddr)); 568 569 /* Initialize interface info.*/ 570 ifp = GET_IFP(sc); 571 ifp->if_softc = sc; 572 ifp->if_mtu = ETHERMTU; 573 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 574 ifp->if_ioctl = cue_ioctl; 575 ifp->if_start = cue_start; 576 ifp->if_watchdog = cue_watchdog; 577 #if defined(__OpenBSD__) 578 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 579 #endif 580 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 581 582 IFQ_SET_READY(&ifp->if_snd); 583 584 /* Attach the interface. */ 585 if_attach(ifp); 586 Ether_ifattach(ifp, eaddr); 587 #if NRND > 0 588 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 589 RND_TYPE_NET, 0); 590 #endif 591 592 usb_callout_init(sc->cue_stat_ch); 593 594 sc->cue_attached = 1; 595 splx(s); 596 597 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 598 USBDEV(sc->cue_dev)); 599 600 USB_ATTACH_SUCCESS_RETURN; 601 } 602 603 USB_DETACH(cue) 604 { 605 USB_DETACH_START(cue, sc); 606 struct ifnet *ifp = GET_IFP(sc); 607 int s; 608 609 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 610 611 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 612 /* 613 * Remove any pending task. It cannot be executing because it run 614 * in the same thread as detach. 615 */ 616 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 617 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 618 619 if (!sc->cue_attached) { 620 /* Detached before attached finished, so just bail out. */ 621 return (0); 622 } 623 624 s = splusb(); 625 626 if (ifp->if_flags & IFF_RUNNING) 627 cue_stop(sc); 628 629 #if defined(__NetBSD__) 630 #if NRND > 0 631 rnd_detach_source(&sc->rnd_source); 632 #endif 633 ether_ifdetach(ifp); 634 #endif /* __NetBSD__ */ 635 636 if_detach(ifp); 637 638 #ifdef DIAGNOSTIC 639 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 640 sc->cue_ep[CUE_ENDPT_RX] != NULL || 641 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 642 printf("%s: detach has active endpoints\n", 643 USBDEVNAME(sc->cue_dev)); 644 #endif 645 646 sc->cue_attached = 0; 647 splx(s); 648 649 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 650 USBDEV(sc->cue_dev)); 651 652 return (0); 653 } 654 655 int 656 cue_activate(device_ptr_t self, enum devact act) 657 { 658 struct cue_softc *sc = (struct cue_softc *)self; 659 660 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 661 662 switch (act) { 663 case DVACT_ACTIVATE: 664 return (EOPNOTSUPP); 665 break; 666 667 case DVACT_DEACTIVATE: 668 /* Deactivate the interface. */ 669 if_deactivate(&sc->cue_ec.ec_if); 670 sc->cue_dying = 1; 671 break; 672 } 673 return (0); 674 } 675 676 /* 677 * Initialize an RX descriptor and attach an MBUF cluster. 678 */ 679 Static int 680 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 681 { 682 struct mbuf *m_new = NULL; 683 684 if (m == NULL) { 685 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 686 if (m_new == NULL) { 687 printf("%s: no memory for rx list " 688 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 689 return (ENOBUFS); 690 } 691 692 MCLGET(m_new, M_DONTWAIT); 693 if (!(m_new->m_flags & M_EXT)) { 694 printf("%s: no memory for rx list " 695 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 696 m_freem(m_new); 697 return (ENOBUFS); 698 } 699 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 700 } else { 701 m_new = m; 702 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 703 m_new->m_data = m_new->m_ext.ext_buf; 704 } 705 706 m_adj(m_new, ETHER_ALIGN); 707 c->cue_mbuf = m_new; 708 709 return (0); 710 } 711 712 Static int 713 cue_rx_list_init(struct cue_softc *sc) 714 { 715 struct cue_cdata *cd; 716 struct cue_chain *c; 717 int i; 718 719 cd = &sc->cue_cdata; 720 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 721 c = &cd->cue_rx_chain[i]; 722 c->cue_sc = sc; 723 c->cue_idx = i; 724 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 725 return (ENOBUFS); 726 if (c->cue_xfer == NULL) { 727 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 728 if (c->cue_xfer == NULL) 729 return (ENOBUFS); 730 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 731 if (c->cue_buf == NULL) { 732 usbd_free_xfer(c->cue_xfer); 733 return (ENOBUFS); 734 } 735 } 736 } 737 738 return (0); 739 } 740 741 Static int 742 cue_tx_list_init(struct cue_softc *sc) 743 { 744 struct cue_cdata *cd; 745 struct cue_chain *c; 746 int i; 747 748 cd = &sc->cue_cdata; 749 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 750 c = &cd->cue_tx_chain[i]; 751 c->cue_sc = sc; 752 c->cue_idx = i; 753 c->cue_mbuf = NULL; 754 if (c->cue_xfer == NULL) { 755 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 756 if (c->cue_xfer == NULL) 757 return (ENOBUFS); 758 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 759 if (c->cue_buf == NULL) { 760 usbd_free_xfer(c->cue_xfer); 761 return (ENOBUFS); 762 } 763 } 764 } 765 766 return (0); 767 } 768 769 /* 770 * A frame has been uploaded: pass the resulting mbuf chain up to 771 * the higher level protocols. 772 */ 773 Static void 774 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 775 { 776 struct cue_chain *c = priv; 777 struct cue_softc *sc = c->cue_sc; 778 struct ifnet *ifp = GET_IFP(sc); 779 struct mbuf *m; 780 int total_len = 0; 781 u_int16_t len; 782 int s; 783 784 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 785 __FUNCTION__, status)); 786 787 if (sc->cue_dying) 788 return; 789 790 if (!(ifp->if_flags & IFF_RUNNING)) 791 return; 792 793 if (status != USBD_NORMAL_COMPLETION) { 794 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 795 return; 796 sc->cue_rx_errs++; 797 if (usbd_ratecheck(&sc->cue_rx_notice)) { 798 printf("%s: %u usb errors on rx: %s\n", 799 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 800 usbd_errstr(status)); 801 sc->cue_rx_errs = 0; 802 } 803 if (status == USBD_STALLED) 804 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 805 goto done; 806 } 807 808 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 809 810 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 811 812 m = c->cue_mbuf; 813 len = UGETW(mtod(m, u_int8_t *)); 814 815 /* No errors; receive the packet. */ 816 total_len = len; 817 818 if (len < sizeof(struct ether_header)) { 819 ifp->if_ierrors++; 820 goto done; 821 } 822 823 ifp->if_ipackets++; 824 m_adj(m, sizeof(u_int16_t)); 825 m->m_pkthdr.len = m->m_len = total_len; 826 827 m->m_pkthdr.rcvif = ifp; 828 829 s = splnet(); 830 831 /* XXX ugly */ 832 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 833 ifp->if_ierrors++; 834 goto done1; 835 } 836 837 #if NBPFILTER > 0 838 /* 839 * Handle BPF listeners. Let the BPF user see the packet, but 840 * don't pass it up to the ether_input() layer unless it's 841 * a broadcast packet, multicast packet, matches our ethernet 842 * address or the interface is in promiscuous mode. 843 */ 844 if (ifp->if_bpf) 845 BPF_MTAP(ifp, m); 846 #endif 847 848 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 849 __FUNCTION__, m->m_len)); 850 IF_INPUT(ifp, m); 851 done1: 852 splx(s); 853 854 done: 855 /* Setup new transfer. */ 856 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 857 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 858 USBD_NO_TIMEOUT, cue_rxeof); 859 usbd_transfer(c->cue_xfer); 860 861 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 862 __FUNCTION__)); 863 } 864 865 /* 866 * A frame was downloaded to the chip. It's safe for us to clean up 867 * the list buffers. 868 */ 869 Static void 870 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 871 { 872 struct cue_chain *c = priv; 873 struct cue_softc *sc = c->cue_sc; 874 struct ifnet *ifp = GET_IFP(sc); 875 int s; 876 877 if (sc->cue_dying) 878 return; 879 880 s = splnet(); 881 882 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 883 __FUNCTION__, status)); 884 885 ifp->if_timer = 0; 886 ifp->if_flags &= ~IFF_OACTIVE; 887 888 if (status != USBD_NORMAL_COMPLETION) { 889 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 890 splx(s); 891 return; 892 } 893 ifp->if_oerrors++; 894 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 895 usbd_errstr(status)); 896 if (status == USBD_STALLED) 897 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 898 splx(s); 899 return; 900 } 901 902 ifp->if_opackets++; 903 904 m_freem(c->cue_mbuf); 905 c->cue_mbuf = NULL; 906 907 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 908 cue_start(ifp); 909 910 splx(s); 911 } 912 913 Static void 914 cue_tick(void *xsc) 915 { 916 struct cue_softc *sc = xsc; 917 918 if (sc == NULL) 919 return; 920 921 if (sc->cue_dying) 922 return; 923 924 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 925 926 /* Perform statistics update in process context. */ 927 usb_add_task(sc->cue_udev, &sc->cue_tick_task); 928 } 929 930 Static void 931 cue_tick_task(void *xsc) 932 { 933 struct cue_softc *sc = xsc; 934 struct ifnet *ifp; 935 936 if (sc->cue_dying) 937 return; 938 939 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 940 941 ifp = GET_IFP(sc); 942 943 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 944 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 945 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 946 947 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 948 ifp->if_ierrors++; 949 } 950 951 Static int 952 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 953 { 954 int total_len; 955 struct cue_chain *c; 956 usbd_status err; 957 958 c = &sc->cue_cdata.cue_tx_chain[idx]; 959 960 /* 961 * Copy the mbuf data into a contiguous buffer, leaving two 962 * bytes at the beginning to hold the frame length. 963 */ 964 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 965 c->cue_mbuf = m; 966 967 total_len = m->m_pkthdr.len + 2; 968 969 DPRINTFN(10,("%s: %s: total_len=%d\n", 970 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 971 972 /* The first two bytes are the frame length */ 973 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 974 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 975 976 /* XXX 10000 */ 977 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 978 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 979 980 /* Transmit */ 981 err = usbd_transfer(c->cue_xfer); 982 if (err != USBD_IN_PROGRESS) { 983 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 984 usbd_errstr(err)); 985 /* Stop the interface from process context. */ 986 usb_add_task(sc->cue_udev, &sc->cue_stop_task); 987 return (EIO); 988 } 989 990 sc->cue_cdata.cue_tx_cnt++; 991 992 return (0); 993 } 994 995 Static void 996 cue_start(struct ifnet *ifp) 997 { 998 struct cue_softc *sc = ifp->if_softc; 999 struct mbuf *m_head = NULL; 1000 1001 if (sc->cue_dying) 1002 return; 1003 1004 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1005 1006 if (ifp->if_flags & IFF_OACTIVE) 1007 return; 1008 1009 IFQ_POLL(&ifp->if_snd, m_head); 1010 if (m_head == NULL) 1011 return; 1012 1013 if (cue_send(sc, m_head, 0)) { 1014 ifp->if_flags |= IFF_OACTIVE; 1015 return; 1016 } 1017 1018 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1019 1020 #if NBPFILTER > 0 1021 /* 1022 * If there's a BPF listener, bounce a copy of this frame 1023 * to him. 1024 */ 1025 if (ifp->if_bpf) 1026 BPF_MTAP(ifp, m_head); 1027 #endif 1028 1029 ifp->if_flags |= IFF_OACTIVE; 1030 1031 /* 1032 * Set a timeout in case the chip goes out to lunch. 1033 */ 1034 ifp->if_timer = 5; 1035 } 1036 1037 Static void 1038 cue_init(void *xsc) 1039 { 1040 struct cue_softc *sc = xsc; 1041 struct ifnet *ifp = GET_IFP(sc); 1042 int i, s, ctl; 1043 u_char *eaddr; 1044 1045 if (sc->cue_dying) 1046 return; 1047 1048 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1049 1050 if (ifp->if_flags & IFF_RUNNING) 1051 return; 1052 1053 s = splnet(); 1054 1055 /* 1056 * Cancel pending I/O and free all RX/TX buffers. 1057 */ 1058 #if 1 1059 cue_reset(sc); 1060 #endif 1061 1062 /* Set advanced operation modes. */ 1063 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1064 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1065 1066 #if defined(__OpenBSD__) 1067 eaddr = sc->arpcom.ac_enaddr; 1068 #elif defined(__NetBSD__) 1069 eaddr = LLADDR(ifp->if_sadl); 1070 #endif 1071 /* Set MAC address */ 1072 for (i = 0; i < ETHER_ADDR_LEN; i++) 1073 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1074 1075 /* Enable RX logic. */ 1076 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1077 if (ifp->if_flags & IFF_PROMISC) 1078 ctl |= CUE_ETHCTL_PROMISC; 1079 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1080 1081 /* Init TX ring. */ 1082 if (cue_tx_list_init(sc) == ENOBUFS) { 1083 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1084 splx(s); 1085 return; 1086 } 1087 1088 /* Init RX ring. */ 1089 if (cue_rx_list_init(sc) == ENOBUFS) { 1090 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1091 splx(s); 1092 return; 1093 } 1094 1095 /* Load the multicast filter. */ 1096 cue_setmulti(sc); 1097 1098 /* 1099 * Set the number of RX and TX buffers that we want 1100 * to reserve inside the ASIC. 1101 */ 1102 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1103 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1104 1105 /* Set advanced operation modes. */ 1106 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1107 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1108 1109 /* Program the LED operation. */ 1110 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1111 1112 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1113 if (cue_open_pipes(sc)) { 1114 splx(s); 1115 return; 1116 } 1117 } 1118 1119 ifp->if_flags |= IFF_RUNNING; 1120 ifp->if_flags &= ~IFF_OACTIVE; 1121 1122 splx(s); 1123 1124 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1125 } 1126 1127 Static int 1128 cue_open_pipes(struct cue_softc *sc) 1129 { 1130 struct cue_chain *c; 1131 usbd_status err; 1132 int i; 1133 1134 /* Open RX and TX pipes. */ 1135 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1136 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1137 if (err) { 1138 printf("%s: open rx pipe failed: %s\n", 1139 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1140 return (EIO); 1141 } 1142 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1143 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1144 if (err) { 1145 printf("%s: open tx pipe failed: %s\n", 1146 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1147 return (EIO); 1148 } 1149 1150 /* Start up the receive pipe. */ 1151 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1152 c = &sc->cue_cdata.cue_rx_chain[i]; 1153 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1154 c, c->cue_buf, CUE_BUFSZ, 1155 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1156 cue_rxeof); 1157 usbd_transfer(c->cue_xfer); 1158 } 1159 1160 return (0); 1161 } 1162 1163 Static int 1164 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1165 { 1166 struct cue_softc *sc = ifp->if_softc; 1167 struct ifaddr *ifa = (struct ifaddr *)data; 1168 struct ifreq *ifr = (struct ifreq *)data; 1169 int s, error = 0; 1170 1171 if (sc->cue_dying) 1172 return (EIO); 1173 1174 s = splnet(); 1175 1176 switch(command) { 1177 case SIOCSIFADDR: 1178 ifp->if_flags |= IFF_UP; 1179 cue_init(sc); 1180 1181 switch (ifa->ifa_addr->sa_family) { 1182 #ifdef INET 1183 case AF_INET: 1184 #if defined(__NetBSD__) 1185 arp_ifinit(ifp, ifa); 1186 #else 1187 arp_ifinit(&sc->arpcom, ifa); 1188 #endif 1189 break; 1190 #endif /* INET */ 1191 #ifdef NS 1192 case AF_NS: 1193 { 1194 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1195 1196 if (ns_nullhost(*ina)) 1197 ina->x_host = *(union ns_host *) 1198 LLADDR(ifp->if_sadl); 1199 else 1200 memcpy(LLADDR(ifp->if_sadl), 1201 ina->x_host.c_host, 1202 ifp->if_addrlen); 1203 break; 1204 } 1205 #endif /* NS */ 1206 } 1207 break; 1208 1209 case SIOCSIFMTU: 1210 if (ifr->ifr_mtu > ETHERMTU) 1211 error = EINVAL; 1212 else 1213 ifp->if_mtu = ifr->ifr_mtu; 1214 break; 1215 1216 case SIOCSIFFLAGS: 1217 if (ifp->if_flags & IFF_UP) { 1218 if (ifp->if_flags & IFF_RUNNING && 1219 ifp->if_flags & IFF_PROMISC && 1220 !(sc->cue_if_flags & IFF_PROMISC)) { 1221 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1222 cue_setmulti(sc); 1223 } else if (ifp->if_flags & IFF_RUNNING && 1224 !(ifp->if_flags & IFF_PROMISC) && 1225 sc->cue_if_flags & IFF_PROMISC) { 1226 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1227 cue_setmulti(sc); 1228 } else if (!(ifp->if_flags & IFF_RUNNING)) 1229 cue_init(sc); 1230 } else { 1231 if (ifp->if_flags & IFF_RUNNING) 1232 cue_stop(sc); 1233 } 1234 sc->cue_if_flags = ifp->if_flags; 1235 error = 0; 1236 break; 1237 case SIOCADDMULTI: 1238 case SIOCDELMULTI: 1239 cue_setmulti(sc); 1240 error = 0; 1241 break; 1242 default: 1243 error = EINVAL; 1244 break; 1245 } 1246 1247 splx(s); 1248 1249 return (error); 1250 } 1251 1252 Static void 1253 cue_watchdog(struct ifnet *ifp) 1254 { 1255 struct cue_softc *sc = ifp->if_softc; 1256 struct cue_chain *c; 1257 usbd_status stat; 1258 int s; 1259 1260 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1261 1262 if (sc->cue_dying) 1263 return; 1264 1265 ifp->if_oerrors++; 1266 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1267 1268 s = splusb(); 1269 c = &sc->cue_cdata.cue_tx_chain[0]; 1270 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1271 cue_txeof(c->cue_xfer, c, stat); 1272 1273 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1274 cue_start(ifp); 1275 splx(s); 1276 } 1277 1278 /* 1279 * Stop the adapter and free any mbufs allocated to the 1280 * RX and TX lists. 1281 */ 1282 Static void 1283 cue_stop(struct cue_softc *sc) 1284 { 1285 usbd_status err; 1286 struct ifnet *ifp; 1287 int i; 1288 1289 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1290 1291 ifp = GET_IFP(sc); 1292 ifp->if_timer = 0; 1293 1294 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1295 cue_reset(sc); 1296 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1297 1298 /* Stop transfers. */ 1299 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1300 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1301 if (err) { 1302 printf("%s: abort rx pipe failed: %s\n", 1303 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1304 } 1305 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1306 if (err) { 1307 printf("%s: close rx pipe failed: %s\n", 1308 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1309 } 1310 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1311 } 1312 1313 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1314 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1315 if (err) { 1316 printf("%s: abort tx pipe failed: %s\n", 1317 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1318 } 1319 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1320 if (err) { 1321 printf("%s: close tx pipe failed: %s\n", 1322 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1323 } 1324 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1325 } 1326 1327 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1328 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1329 if (err) { 1330 printf("%s: abort intr pipe failed: %s\n", 1331 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1332 } 1333 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1334 if (err) { 1335 printf("%s: close intr pipe failed: %s\n", 1336 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1337 } 1338 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1339 } 1340 1341 /* Free RX resources. */ 1342 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1343 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1344 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1345 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1346 } 1347 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1348 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1349 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1350 } 1351 } 1352 1353 /* Free TX resources. */ 1354 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1355 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1356 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1357 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1358 } 1359 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1360 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1361 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1362 } 1363 } 1364 1365 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1366 } 1367
Indexes created Fri Oct 03 02:09:57 GMT 2025