if_cue.c revision 1.30
1 /* $NetBSD: if_cue.c,v 1.30 2001/01/21 19:30:35 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_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 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 0 412 if (memcmp(enm->enm_addrlo, 413 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) { 414 ifp->if_flags |= IFF_ALLMULTI; 415 /* XXX what now? */ 416 return; 417 } 418 #endif 419 h = cue_crc(enm->enm_addrlo); 420 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 421 ETHER_NEXT_MULTI(step, enm); 422 } 423 424 /* 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 sc->cue_task.fun = cue_tick_task; 517 sc->cue_task.arg = 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 /* Wait a little so an executing cue_tick_task can finish. */ 611 usbd_delay_ms(sc->cue_udev, 50); 612 613 if (!sc->cue_attached) { 614 /* Detached before attached finished, so just bail out. */ 615 return (0); 616 } 617 618 s = splusb(); 619 620 if (ifp->if_flags & IFF_RUNNING) 621 cue_stop(sc); 622 623 #if defined(__NetBSD__) 624 #if NRND > 0 625 rnd_detach_source(&sc->rnd_source); 626 #endif 627 ether_ifdetach(ifp); 628 #endif /* __NetBSD__ */ 629 630 if_detach(ifp); 631 632 #ifdef DIAGNOSTIC 633 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 634 sc->cue_ep[CUE_ENDPT_RX] != NULL || 635 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 636 printf("%s: detach has active endpoints\n", 637 USBDEVNAME(sc->cue_dev)); 638 #endif 639 640 sc->cue_attached = 0; 641 splx(s); 642 643 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 644 USBDEV(sc->cue_dev)); 645 646 return (0); 647 } 648 649 int 650 cue_activate(device_ptr_t self, enum devact act) 651 { 652 struct cue_softc *sc = (struct cue_softc *)self; 653 654 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 655 656 switch (act) { 657 case DVACT_ACTIVATE: 658 return (EOPNOTSUPP); 659 break; 660 661 case DVACT_DEACTIVATE: 662 /* Deactivate the interface. */ 663 if_deactivate(&sc->cue_ec.ec_if); 664 sc->cue_dying = 1; 665 break; 666 } 667 return (0); 668 } 669 670 /* 671 * Initialize an RX descriptor and attach an MBUF cluster. 672 */ 673 Static int 674 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 675 { 676 struct mbuf *m_new = NULL; 677 678 if (m == NULL) { 679 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 680 if (m_new == NULL) { 681 printf("%s: no memory for rx list " 682 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 683 return (ENOBUFS); 684 } 685 686 MCLGET(m_new, M_DONTWAIT); 687 if (!(m_new->m_flags & M_EXT)) { 688 printf("%s: no memory for rx list " 689 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 690 m_freem(m_new); 691 return (ENOBUFS); 692 } 693 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 694 } else { 695 m_new = m; 696 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 697 m_new->m_data = m_new->m_ext.ext_buf; 698 } 699 700 m_adj(m_new, ETHER_ALIGN); 701 c->cue_mbuf = m_new; 702 703 return (0); 704 } 705 706 Static int 707 cue_rx_list_init(struct cue_softc *sc) 708 { 709 struct cue_cdata *cd; 710 struct cue_chain *c; 711 int i; 712 713 cd = &sc->cue_cdata; 714 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 715 c = &cd->cue_rx_chain[i]; 716 c->cue_sc = sc; 717 c->cue_idx = i; 718 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 719 return (ENOBUFS); 720 if (c->cue_xfer == NULL) { 721 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 722 if (c->cue_xfer == NULL) 723 return (ENOBUFS); 724 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 725 if (c->cue_buf == NULL) { 726 usbd_free_xfer(c->cue_xfer); 727 return (ENOBUFS); 728 } 729 } 730 } 731 732 return (0); 733 } 734 735 Static int 736 cue_tx_list_init(struct cue_softc *sc) 737 { 738 struct cue_cdata *cd; 739 struct cue_chain *c; 740 int i; 741 742 cd = &sc->cue_cdata; 743 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 744 c = &cd->cue_tx_chain[i]; 745 c->cue_sc = sc; 746 c->cue_idx = i; 747 c->cue_mbuf = NULL; 748 if (c->cue_xfer == NULL) { 749 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 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 __FUNCTION__, 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(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 = splimp(); 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 __FUNCTION__, 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 __FUNCTION__)); 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, usbd_status status) 865 { 866 struct cue_chain *c = priv; 867 struct cue_softc *sc = c->cue_sc; 868 struct ifnet *ifp = GET_IFP(sc); 869 int s; 870 871 if (sc->cue_dying) 872 return; 873 874 s = splimp(); 875 876 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 877 __FUNCTION__, status)); 878 879 ifp->if_timer = 0; 880 ifp->if_flags &= ~IFF_OACTIVE; 881 882 if (status != USBD_NORMAL_COMPLETION) { 883 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 884 splx(s); 885 return; 886 } 887 ifp->if_oerrors++; 888 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 889 usbd_errstr(status)); 890 if (status == USBD_STALLED) 891 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 892 splx(s); 893 return; 894 } 895 896 ifp->if_opackets++; 897 898 m_freem(c->cue_mbuf); 899 c->cue_mbuf = NULL; 900 901 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 902 cue_start(ifp); 903 904 splx(s); 905 } 906 907 Static void 908 cue_tick(void *xsc) 909 { 910 struct cue_softc *sc = xsc; 911 912 if (sc == NULL) 913 return; 914 915 if (sc->cue_dying) 916 return; 917 918 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 919 920 /* Perform statistics update in process context. */ 921 usb_add_task(sc->cue_udev, &sc->cue_task); 922 } 923 924 Static void 925 cue_tick_task(void *xsc) 926 { 927 struct cue_softc *sc = xsc; 928 struct ifnet *ifp; 929 930 if (sc->cue_dying) 931 return; 932 933 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 934 935 ifp = GET_IFP(sc); 936 937 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 938 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 939 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 940 941 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 942 ifp->if_ierrors++; 943 } 944 945 Static int 946 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 947 { 948 int total_len; 949 struct cue_chain *c; 950 usbd_status err; 951 952 c = &sc->cue_cdata.cue_tx_chain[idx]; 953 954 /* 955 * Copy the mbuf data into a contiguous buffer, leaving two 956 * bytes at the beginning to hold the frame length. 957 */ 958 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 959 c->cue_mbuf = m; 960 961 total_len = m->m_pkthdr.len + 2; 962 963 DPRINTFN(10,("%s: %s: total_len=%d\n", 964 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 965 966 /* The first two bytes are the frame length */ 967 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 968 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 969 970 /* XXX 10000 */ 971 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 972 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 973 974 /* Transmit */ 975 err = usbd_transfer(c->cue_xfer); 976 if (err != USBD_IN_PROGRESS) { 977 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 978 usbd_errstr(err)); 979 cue_stop(sc); 980 return (EIO); 981 } 982 983 sc->cue_cdata.cue_tx_cnt++; 984 985 return (0); 986 } 987 988 Static void 989 cue_start(struct ifnet *ifp) 990 { 991 struct cue_softc *sc = ifp->if_softc; 992 struct mbuf *m_head = NULL; 993 994 if (sc->cue_dying) 995 return; 996 997 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 998 999 if (ifp->if_flags & IFF_OACTIVE) 1000 return; 1001 1002 IFQ_POLL(&ifp->if_snd, m_head); 1003 if (m_head == NULL) 1004 return; 1005 1006 if (cue_send(sc, m_head, 0)) { 1007 ifp->if_flags |= IFF_OACTIVE; 1008 return; 1009 } 1010 1011 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1012 1013 #if NBPFILTER > 0 1014 /* 1015 * If there's a BPF listener, bounce a copy of this frame 1016 * to him. 1017 */ 1018 if (ifp->if_bpf) 1019 BPF_MTAP(ifp, m_head); 1020 #endif 1021 1022 ifp->if_flags |= IFF_OACTIVE; 1023 1024 /* 1025 * Set a timeout in case the chip goes out to lunch. 1026 */ 1027 ifp->if_timer = 5; 1028 } 1029 1030 Static void 1031 cue_init(void *xsc) 1032 { 1033 struct cue_softc *sc = xsc; 1034 struct ifnet *ifp = GET_IFP(sc); 1035 int i, s, ctl; 1036 u_char *eaddr; 1037 1038 if (sc->cue_dying) 1039 return; 1040 1041 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1042 1043 if (ifp->if_flags & IFF_RUNNING) 1044 return; 1045 1046 s = splimp(); 1047 1048 /* 1049 * Cancel pending I/O and free all RX/TX buffers. 1050 */ 1051 #if 1 1052 cue_reset(sc); 1053 #endif 1054 1055 /* Set advanced operation modes. */ 1056 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1057 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1058 1059 #if defined(__OpenBSD__) 1060 eaddr = sc->arpcom.ac_enaddr; 1061 #elif defined(__NetBSD__) 1062 eaddr = LLADDR(ifp->if_sadl); 1063 #endif 1064 /* Set MAC address */ 1065 for (i = 0; i < ETHER_ADDR_LEN; i++) 1066 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1067 1068 /* Enable RX logic. */ 1069 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1070 if (ifp->if_flags & IFF_PROMISC) 1071 ctl |= CUE_ETHCTL_PROMISC; 1072 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1073 1074 /* Init TX ring. */ 1075 if (cue_tx_list_init(sc) == ENOBUFS) { 1076 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1077 splx(s); 1078 return; 1079 } 1080 1081 /* Init RX ring. */ 1082 if (cue_rx_list_init(sc) == ENOBUFS) { 1083 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1084 splx(s); 1085 return; 1086 } 1087 1088 /* Load the multicast filter. */ 1089 cue_setmulti(sc); 1090 1091 /* 1092 * Set the number of RX and TX buffers that we want 1093 * to reserve inside the ASIC. 1094 */ 1095 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1096 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1097 1098 /* Set advanced operation modes. */ 1099 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1100 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1101 1102 /* Program the LED operation. */ 1103 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1104 1105 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1106 if (cue_open_pipes(sc)) { 1107 splx(s); 1108 return; 1109 } 1110 } 1111 1112 ifp->if_flags |= IFF_RUNNING; 1113 ifp->if_flags &= ~IFF_OACTIVE; 1114 1115 splx(s); 1116 1117 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1118 } 1119 1120 Static int 1121 cue_open_pipes(struct cue_softc *sc) 1122 { 1123 struct cue_chain *c; 1124 usbd_status err; 1125 int i; 1126 1127 /* Open RX and TX pipes. */ 1128 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1129 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1130 if (err) { 1131 printf("%s: open rx pipe failed: %s\n", 1132 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1133 return (EIO); 1134 } 1135 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1136 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1137 if (err) { 1138 printf("%s: open tx pipe failed: %s\n", 1139 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1140 return (EIO); 1141 } 1142 1143 /* Start up the receive pipe. */ 1144 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1145 c = &sc->cue_cdata.cue_rx_chain[i]; 1146 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1147 c, c->cue_buf, CUE_BUFSZ, 1148 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1149 cue_rxeof); 1150 usbd_transfer(c->cue_xfer); 1151 } 1152 1153 return (0); 1154 } 1155 1156 Static int 1157 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1158 { 1159 struct cue_softc *sc = ifp->if_softc; 1160 struct ifaddr *ifa = (struct ifaddr *)data; 1161 struct ifreq *ifr = (struct ifreq *)data; 1162 int s, error = 0; 1163 1164 if (sc->cue_dying) 1165 return (EIO); 1166 1167 s = splimp(); 1168 1169 switch(command) { 1170 case SIOCSIFADDR: 1171 ifp->if_flags |= IFF_UP; 1172 cue_init(sc); 1173 1174 switch (ifa->ifa_addr->sa_family) { 1175 #ifdef INET 1176 case AF_INET: 1177 #if defined(__NetBSD__) 1178 arp_ifinit(ifp, ifa); 1179 #else 1180 arp_ifinit(&sc->arpcom, ifa); 1181 #endif 1182 break; 1183 #endif /* INET */ 1184 #ifdef NS 1185 case AF_NS: 1186 { 1187 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1188 1189 if (ns_nullhost(*ina)) 1190 ina->x_host = *(union ns_host *) 1191 LLADDR(ifp->if_sadl); 1192 else 1193 memcpy(LLADDR(ifp->if_sadl), 1194 ina->x_host.c_host, 1195 ifp->if_addrlen); 1196 break; 1197 } 1198 #endif /* NS */ 1199 } 1200 break; 1201 1202 case SIOCSIFMTU: 1203 if (ifr->ifr_mtu > ETHERMTU) 1204 error = EINVAL; 1205 else 1206 ifp->if_mtu = ifr->ifr_mtu; 1207 break; 1208 1209 case SIOCSIFFLAGS: 1210 if (ifp->if_flags & IFF_UP) { 1211 if (ifp->if_flags & IFF_RUNNING && 1212 ifp->if_flags & IFF_PROMISC && 1213 !(sc->cue_if_flags & IFF_PROMISC)) { 1214 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1215 cue_setmulti(sc); 1216 } else if (ifp->if_flags & IFF_RUNNING && 1217 !(ifp->if_flags & IFF_PROMISC) && 1218 sc->cue_if_flags & IFF_PROMISC) { 1219 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1220 cue_setmulti(sc); 1221 } else if (!(ifp->if_flags & IFF_RUNNING)) 1222 cue_init(sc); 1223 } else { 1224 if (ifp->if_flags & IFF_RUNNING) 1225 cue_stop(sc); 1226 } 1227 sc->cue_if_flags = ifp->if_flags; 1228 error = 0; 1229 break; 1230 case SIOCADDMULTI: 1231 case SIOCDELMULTI: 1232 cue_setmulti(sc); 1233 error = 0; 1234 break; 1235 default: 1236 error = EINVAL; 1237 break; 1238 } 1239 1240 splx(s); 1241 1242 return (error); 1243 } 1244 1245 Static void 1246 cue_watchdog(struct ifnet *ifp) 1247 { 1248 struct cue_softc *sc = ifp->if_softc; 1249 struct cue_chain *c; 1250 usbd_status stat; 1251 int s; 1252 1253 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1254 1255 if (sc->cue_dying) 1256 return; 1257 1258 ifp->if_oerrors++; 1259 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1260 1261 s = splusb(); 1262 c = &sc->cue_cdata.cue_tx_chain[0]; 1263 usbd_get_xfer_status(c->cue_xfer, NULL, NULL, NULL, &stat); 1264 cue_txeof(c->cue_xfer, c, stat); 1265 1266 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1267 cue_start(ifp); 1268 splx(s); 1269 } 1270 1271 /* 1272 * Stop the adapter and free any mbufs allocated to the 1273 * RX and TX lists. 1274 */ 1275 Static void 1276 cue_stop(struct cue_softc *sc) 1277 { 1278 usbd_status err; 1279 struct ifnet *ifp; 1280 int i; 1281 1282 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1283 1284 ifp = GET_IFP(sc); 1285 ifp->if_timer = 0; 1286 1287 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1288 cue_reset(sc); 1289 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1290 1291 /* Stop transfers. */ 1292 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1293 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1294 if (err) { 1295 printf("%s: abort rx pipe failed: %s\n", 1296 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1297 } 1298 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1299 if (err) { 1300 printf("%s: close rx pipe failed: %s\n", 1301 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1302 } 1303 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1304 } 1305 1306 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1307 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1308 if (err) { 1309 printf("%s: abort tx pipe failed: %s\n", 1310 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1311 } 1312 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1313 if (err) { 1314 printf("%s: close tx pipe failed: %s\n", 1315 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1316 } 1317 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1318 } 1319 1320 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1321 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1322 if (err) { 1323 printf("%s: abort intr pipe failed: %s\n", 1324 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1325 } 1326 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1327 if (err) { 1328 printf("%s: close intr pipe failed: %s\n", 1329 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1330 } 1331 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1332 } 1333 1334 /* Free RX resources. */ 1335 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1336 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1337 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1338 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1339 } 1340 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1341 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1342 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1343 } 1344 } 1345 1346 /* Free TX resources. */ 1347 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1348 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1349 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1350 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1351 } 1352 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1353 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1354 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1355 } 1356 } 1357 1358 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1359 } 1360
Indexes created Sat Sep 27 22:09:54 GMT 2025