if_cue.c revision 1.15
1 /* $NetBSD: if_cue.c,v 1.15 2000/03/24 13:08:28 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 /* 59 * TODO: 60 * proper cleanup on errors 61 */ 62 #if defined(__NetBSD__) || defined(__OpenBSD__) 63 #include "opt_inet.h" 64 #include "opt_ns.h" 65 #include "bpfilter.h" 66 #include "rnd.h" 67 #endif 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #include <sys/callout.h> 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 #if defined(__FreeBSD__) 79 80 #include <net/ethernet.h> 81 #include <machine/clock.h> /* for DELAY */ 82 #include <sys/bus.h> 83 84 #elif defined(__NetBSD__) || defined(__OpenBSD__) 85 86 #include <sys/device.h> 87 #if NRND > 0 88 #include <sys/rnd.h> 89 #endif 90 91 #endif 92 93 #include <net/if.h> 94 #include <net/if_arp.h> 95 #include <net/if_dl.h> 96 97 #if defined(__NetBSD__) || defined(__OpenBSD__) 98 #include <net/if_ether.h> 99 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 100 #else 101 #define BPF_MTAP(ifp, m) bpf_mtap((ifp), (m)) 102 #endif 103 104 #if defined(__FreeBSD__) || NBPFILTER > 0 105 #include <net/bpf.h> 106 #endif 107 108 #if defined(__NetBSD__) || defined(__OpenBSD__) 109 #ifdef INET 110 #include <netinet/in.h> 111 #include <netinet/if_inarp.h> 112 #endif 113 114 #ifdef NS 115 #include <netns/ns.h> 116 #include <netns/ns_if.h> 117 #endif 118 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 119 120 #include <dev/usb/usb.h> 121 #include <dev/usb/usbdi.h> 122 #include <dev/usb/usbdi_util.h> 123 #include <dev/usb/usbdevs.h> 124 125 #ifdef __FreeBSD__ 126 #include <dev/usb/usb_ethersubr.h> 127 #endif 128 129 #include <dev/usb/if_cuereg.h> 130 131 #ifdef CUE_DEBUG 132 #define DPRINTF(x) if (cuedebug) logprintf x 133 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 134 int cuedebug = 0; 135 #else 136 #define DPRINTF(x) 137 #define DPRINTFN(n,x) 138 #endif 139 140 /* 141 * Various supported device vendors/products. 142 */ 143 static struct cue_type cue_devs[] = { 144 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 145 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 146 /* Belkin F5U111 adapter covered by NETMATE entry */ 147 { 0, 0 } 148 }; 149 150 USB_DECLARE_DRIVER(cue); 151 152 #define static 153 154 static int cue_open_pipes __P((struct cue_softc *)); 155 static int cue_tx_list_init __P((struct cue_softc *)); 156 static int cue_rx_list_init __P((struct cue_softc *)); 157 static int cue_newbuf __P((struct cue_softc *, struct cue_chain *, 158 struct mbuf *)); 159 static int cue_send __P((struct cue_softc *, struct mbuf *, int)); 160 static void cue_rxeof __P((usbd_xfer_handle, 161 usbd_private_handle, usbd_status)); 162 static void cue_txeof __P((usbd_xfer_handle, 163 usbd_private_handle, usbd_status)); 164 static void cue_tick __P((void *)); 165 static void cue_start __P((struct ifnet *)); 166 static int cue_ioctl __P((struct ifnet *, u_long, caddr_t)); 167 static void cue_init __P((void *)); 168 static void cue_stop __P((struct cue_softc *)); 169 static void cue_watchdog __P((struct ifnet *)); 170 171 static void cue_setmulti __P((struct cue_softc *)); 172 static u_int32_t cue_crc __P((caddr_t)); 173 static void cue_reset __P((struct cue_softc *)); 174 175 static int cue_csr_read_1 __P((struct cue_softc *, int)); 176 static int cue_csr_write_1 __P((struct cue_softc *, int, int)); 177 static int cue_csr_read_2 __P((struct cue_softc *, int)); 178 #ifdef notdef 179 static int cue_csr_write_2 __P((struct cue_softc *, int, int)); 180 #endif 181 static int cue_mem __P((struct cue_softc *, int, 182 int, void *, int)); 183 static int cue_getmac __P((struct cue_softc *, void *)); 184 185 #ifdef __FreeBSD__ 186 #ifndef lint 187 static const char rcsid[] = 188 "$FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $"; 189 #endif 190 191 static void cue_rxstart __P((struct ifnet *)); 192 static void cue_shutdown __P((device_t)); 193 194 static struct usb_qdat cue_qdat; 195 196 static device_method_t cue_methods[] = { 197 /* Device interface */ 198 DEVMETHOD(device_probe, cue_match), 199 DEVMETHOD(device_attach, cue_attach), 200 DEVMETHOD(device_detach, cue_detach), 201 DEVMETHOD(device_shutdown, cue_shutdown), 202 203 { 0, 0 } 204 }; 205 206 static driver_t cue_driver = { 207 "cue", 208 cue_methods, 209 sizeof(struct cue_softc) 210 }; 211 212 static devclass_t cue_devclass; 213 214 DRIVER_MODULE(if_cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0); 215 216 #endif /* defined(__FreeBSD__) */ 217 218 #define CUE_DO_REQUEST(dev, req, data) \ 219 usbd_do_request_flags(dev, req, data, USBD_NO_TSLEEP, NULL) 220 221 #define CUE_SETBIT(sc, reg, x) \ 222 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 223 224 #define CUE_CLRBIT(sc, reg, x) \ 225 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 226 227 static int 228 cue_csr_read_1(sc, reg) 229 struct cue_softc *sc; 230 int reg; 231 { 232 usb_device_request_t req; 233 usbd_status err; 234 u_int8_t val = 0; 235 int s; 236 237 if (sc->cue_dying) 238 return (0); 239 240 req.bmRequestType = UT_READ_VENDOR_DEVICE; 241 req.bRequest = CUE_CMD_READREG; 242 USETW(req.wValue, 0); 243 USETW(req.wIndex, reg); 244 USETW(req.wLength, 1); 245 246 s = splusb(); 247 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 248 splx(s); 249 250 if (err) { 251 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 252 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 253 return (0); 254 } 255 256 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 257 USBDEVNAME(sc->cue_dev), reg, val)); 258 259 return (val); 260 } 261 262 static int 263 cue_csr_read_2(sc, reg) 264 struct cue_softc *sc; 265 int reg; 266 { 267 usb_device_request_t req; 268 usbd_status err; 269 uWord val; 270 int s; 271 272 if (sc->cue_dying) 273 return (0); 274 275 req.bmRequestType = UT_READ_VENDOR_DEVICE; 276 req.bRequest = CUE_CMD_READREG; 277 USETW(req.wValue, 0); 278 USETW(req.wIndex, reg); 279 USETW(req.wLength, 2); 280 281 s = splusb(); 282 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 283 splx(s); 284 285 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 286 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 287 288 if (err) { 289 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 290 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 291 return (0); 292 } 293 294 return (UGETW(val)); 295 } 296 297 static int 298 cue_csr_write_1(sc, reg, val) 299 struct cue_softc *sc; 300 int reg, val; 301 { 302 usb_device_request_t req; 303 usbd_status err; 304 int s; 305 306 if (sc->cue_dying) 307 return (0); 308 309 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 310 USBDEVNAME(sc->cue_dev), reg, val)); 311 312 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 313 req.bRequest = CUE_CMD_WRITEREG; 314 USETW(req.wValue, val); 315 USETW(req.wIndex, reg); 316 USETW(req.wLength, 0); 317 318 s = splusb(); 319 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 320 splx(s); 321 322 if (err) { 323 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 324 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 325 return (-1); 326 } 327 328 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 329 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 330 331 return (0); 332 } 333 334 #ifdef notdef 335 static int 336 cue_csr_write_2(sc, reg, val) 337 struct cue_softc *sc; 338 int reg, aval; 339 { 340 usb_device_request_t req; 341 usbd_status err; 342 uWord val; 343 int s; 344 345 if (sc->cue_dying) 346 return (0); 347 348 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 349 USBDEVNAME(sc->cue_dev), reg, aval)); 350 351 USETW(val, aval); 352 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 353 req.bRequest = CUE_CMD_WRITEREG; 354 USETW(req.wValue, val); 355 USETW(req.wIndex, reg); 356 USETW(req.wLength, 0); 357 358 s = splusb(); 359 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 360 splx(s); 361 362 if (err) { 363 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 364 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 365 return (-1); 366 } 367 368 return (0); 369 } 370 #endif 371 372 static int 373 cue_mem(sc, cmd, addr, buf, len) 374 struct cue_softc *sc; 375 int cmd; 376 int addr; 377 void *buf; 378 int len; 379 { 380 usb_device_request_t req; 381 usbd_status err; 382 int s; 383 384 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 385 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 386 387 if (cmd == CUE_CMD_READSRAM) 388 req.bmRequestType = UT_READ_VENDOR_DEVICE; 389 else 390 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 391 req.bRequest = cmd; 392 USETW(req.wValue, 0); 393 USETW(req.wIndex, addr); 394 USETW(req.wLength, len); 395 396 s = splusb(); 397 err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); 398 splx(s); 399 400 if (err) { 401 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 402 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 403 return (-1); 404 } 405 406 return (0); 407 } 408 409 static int 410 cue_getmac(sc, buf) 411 struct cue_softc *sc; 412 void *buf; 413 { 414 usb_device_request_t req; 415 usbd_status err; 416 int s; 417 418 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 419 420 req.bmRequestType = UT_READ_VENDOR_DEVICE; 421 req.bRequest = CUE_CMD_GET_MACADDR; 422 USETW(req.wValue, 0); 423 USETW(req.wIndex, 0); 424 USETW(req.wLength, ETHER_ADDR_LEN); 425 426 s = splusb(); 427 err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); 428 splx(s); 429 430 if (err) { 431 printf("%s: read MAC address failed\n", USBDEVNAME(sc->cue_dev)); 432 return (-1); 433 } 434 435 return (0); 436 } 437 438 #define CUE_POLY 0xEDB88320 439 #define CUE_BITS 9 440 441 static u_int32_t 442 cue_crc(addr) 443 caddr_t addr; 444 { 445 u_int32_t idx, bit, data, crc; 446 447 /* Compute CRC for the address value. */ 448 crc = 0xFFFFFFFF; /* initial value */ 449 450 for (idx = 0; idx < 6; idx++) { 451 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 452 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 453 } 454 455 return (crc & ((1 << CUE_BITS) - 1)); 456 } 457 458 static void 459 cue_setmulti(sc) 460 struct cue_softc *sc; 461 { 462 struct ifnet *ifp; 463 #if defined(__FreeBSD__) 464 struct ifmultiaddr *ifma; 465 #elif defined(__NetBSD__) || defined(__OpenBSD__) 466 struct ether_multi *enm; 467 struct ether_multistep step; 468 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 469 u_int32_t h, i; 470 471 ifp = GET_IFP(sc); 472 473 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 474 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 475 476 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 477 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 478 sc->cue_mctab[i] = 0xFF; 479 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 480 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 481 return; 482 } 483 484 /* first, zot all the existing hash bits */ 485 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 486 sc->cue_mctab[i] = 0; 487 488 /* now program new ones */ 489 #if defined(__FreeBSD__) 490 for (ifma = ifp->if_multiaddrs.lh_first; ifma != NULL; 491 ifma = ifma->ifma_link.le_next) { 492 if (ifma->ifma_addr->sa_family != AF_LINK) 493 continue; 494 h = cue_crc(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 495 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 496 } 497 #elif defined(__NetBSD__) || defined(__OpenBSD__) 498 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 499 while (enm != NULL) { 500 #if 0 501 if (memcmp(enm->enm_addrlo, 502 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) { 503 ifp->if_flags |= IFF_ALLMULTI; 504 /* XXX what now? */ 505 return; 506 } 507 #endif 508 h = cue_crc(enm->enm_addrlo); 509 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 510 ETHER_NEXT_MULTI(step, enm); 511 } 512 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 513 514 /* 515 * Also include the broadcast address in the filter 516 * so we can receive broadcast frames. 517 */ 518 if (ifp->if_flags & IFF_BROADCAST) { 519 h = cue_crc(etherbroadcastaddr); 520 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 521 } 522 523 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 524 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 525 } 526 527 static void 528 cue_reset(sc) 529 struct cue_softc *sc; 530 { 531 usb_device_request_t req; 532 usbd_status err; 533 int s; 534 535 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 536 537 if (sc->cue_dying) 538 return; 539 540 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 541 req.bRequest = CUE_CMD_RESET; 542 USETW(req.wValue, 0); 543 USETW(req.wIndex, 0); 544 USETW(req.wLength, 0); 545 546 s = splusb(); 547 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 548 splx(s); 549 550 if (err) 551 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 552 553 /* Wait a little while for the chip to get its brains in order. */ 554 delay(1000); /* XXX */ 555 } 556 557 /* 558 * Probe for a CATC chip. 559 */ 560 USB_MATCH(cue) 561 { 562 USB_MATCH_START(cue, uaa); 563 struct cue_type *t; 564 565 if (uaa->iface != NULL) 566 return (UMATCH_NONE); 567 568 for (t = cue_devs; t->cue_vid != 0; t++) 569 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 570 return (UMATCH_VENDOR_PRODUCT); 571 572 return (UMATCH_NONE); 573 } 574 575 /* 576 * Attach the interface. Allocate softc structures, do ifmedia 577 * setup and ethernet/BPF attach. 578 */ 579 USB_ATTACH(cue) 580 { 581 USB_ATTACH_START(cue, sc, uaa); 582 char devinfo[1024]; 583 int s; 584 u_char eaddr[ETHER_ADDR_LEN]; 585 usbd_device_handle dev = uaa->device; 586 usbd_interface_handle iface; 587 usbd_status err; 588 struct ifnet *ifp; 589 usb_interface_descriptor_t *id; 590 usb_endpoint_descriptor_t *ed; 591 int i; 592 593 #ifdef __FreeBSD__ 594 bzero(sc, sizeof(struct cue_softc)); 595 #endif 596 597 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 598 599 usbd_devinfo(dev, 0, devinfo); 600 USB_ATTACH_SETUP; 601 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 602 603 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 0); 604 if (err) { 605 printf("%s: setting config no failed\n", 606 USBDEVNAME(sc->cue_dev)); 607 USB_ATTACH_ERROR_RETURN; 608 } 609 610 sc->cue_udev = dev; 611 sc->cue_product = uaa->product; 612 sc->cue_vendor = uaa->vendor; 613 614 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 615 if (err) { 616 printf("%s: getting interface handle failed\n", 617 USBDEVNAME(sc->cue_dev)); 618 USB_ATTACH_ERROR_RETURN; 619 } 620 621 sc->cue_iface = iface; 622 id = usbd_get_interface_descriptor(iface); 623 624 /* Find endpoints. */ 625 for (i = 0; i < id->bNumEndpoints; i++) { 626 ed = usbd_interface2endpoint_descriptor(iface, i); 627 if (ed == NULL) { 628 printf("%s: couldn't get ep %d\n", 629 USBDEVNAME(sc->cue_dev), i); 630 USB_ATTACH_ERROR_RETURN; 631 } 632 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 633 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 634 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 635 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 636 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 637 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 638 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 639 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 640 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 641 } 642 } 643 644 #if 0 645 /* Reset the adapter. */ 646 cue_reset(sc); 647 #endif 648 /* 649 * Get station address. 650 */ 651 cue_getmac(sc, &eaddr); 652 653 s = splimp(); 654 655 /* 656 * A CATC chip was detected. Inform the world. 657 */ 658 #if defined(__FreeBSD__) 659 printf("%s: Ethernet address: %6D\n", USBDEVNAME(sc->cue_dev), eaddr, ":"); 660 661 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 662 663 ifp = &sc->arpcom.ac_if; 664 ifp->if_softc = sc; 665 ifp->if_unit = USBDEVNAME(sc->cue_dev); 666 ifp->if_name = "cue"; 667 ifp->if_mtu = ETHERMTU; 668 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 669 ifp->if_ioctl = cue_ioctl; 670 ifp->if_output = ether_output; 671 ifp->if_start = cue_start; 672 ifp->if_watchdog = cue_watchdog; 673 ifp->if_init = cue_init; 674 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 675 676 cue_qdat.ifp = ifp; 677 cue_qdat.if_rxstart = cue_rxstart; 678 679 /* 680 * Call MI attach routines. 681 */ 682 if_attach(ifp); 683 ether_ifattach(ifp); 684 callout_handle_init(&sc->cue_stat_ch); 685 bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header)); 686 usb_register_netisr(); 687 688 #elif defined(__NetBSD__) || defined(__OpenBSD__) 689 690 callout_init(&sc->cue_stat_ch); 691 692 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 693 ether_sprintf(eaddr)); 694 695 /* Initialize interface info.*/ 696 ifp = GET_IFP(sc); 697 ifp->if_softc = sc; 698 ifp->if_mtu = ETHERMTU; 699 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 700 ifp->if_ioctl = cue_ioctl; 701 ifp->if_start = cue_start; 702 ifp->if_watchdog = cue_watchdog; 703 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 704 705 /* Attach the interface. */ 706 if_attach(ifp); 707 ether_ifattach(ifp, eaddr); 708 709 #if NBPFILTER > 0 710 bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, 711 sizeof(struct ether_header)); 712 #endif 713 #if NRND > 0 714 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 715 RND_TYPE_NET, 0); 716 #endif 717 718 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 719 720 sc->cue_attached = 1; 721 splx(s); 722 723 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 724 USBDEV(sc->cue_dev)); 725 726 USB_ATTACH_SUCCESS_RETURN; 727 } 728 729 USB_DETACH(cue) 730 { 731 USB_DETACH_START(cue, sc); 732 struct ifnet *ifp = GET_IFP(sc); 733 int s; 734 735 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 736 737 s = splusb(); 738 739 usb_untimeout(cue_tick, sc, sc->cue_stat_ch); 740 741 if (!sc->cue_attached) { 742 /* Detached before attached finished, so just bail out. */ 743 splx(s); 744 return (0); 745 } 746 747 if (ifp->if_flags & IFF_RUNNING) 748 cue_stop(sc); 749 750 #if defined(__NetBSD__) 751 #if NRND > 0 752 rnd_detach_source(&sc->rnd_source); 753 #endif 754 #if NBPFILTER > 0 755 bpfdetach(ifp); 756 #endif 757 ether_ifdetach(ifp); 758 #endif /* __NetBSD__ */ 759 760 if_detach(ifp); 761 762 #ifdef DIAGNOSTIC 763 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 764 sc->cue_ep[CUE_ENDPT_RX] != NULL || 765 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 766 printf("%s: detach has active endpoints\n", 767 USBDEVNAME(sc->cue_dev)); 768 #endif 769 770 sc->cue_attached = 0; 771 splx(s); 772 773 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 774 USBDEV(sc->cue_dev)); 775 776 return (0); 777 } 778 779 #if defined(__NetBSD__) || defined(__OpenBSD__) 780 int 781 cue_activate(self, act) 782 device_ptr_t self; 783 enum devact act; 784 { 785 struct cue_softc *sc = (struct cue_softc *)self; 786 787 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 788 789 switch (act) { 790 case DVACT_ACTIVATE: 791 return (EOPNOTSUPP); 792 break; 793 794 case DVACT_DEACTIVATE: 795 /* Deactivate the interface. */ 796 if_deactivate(&sc->cue_ec.ec_if); 797 sc->cue_dying = 1; 798 break; 799 } 800 return (0); 801 } 802 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 803 804 /* 805 * Initialize an RX descriptor and attach an MBUF cluster. 806 */ 807 static int 808 cue_newbuf(sc, c, m) 809 struct cue_softc *sc; 810 struct cue_chain *c; 811 struct mbuf *m; 812 { 813 struct mbuf *m_new = NULL; 814 815 if (m == NULL) { 816 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 817 if (m_new == NULL) { 818 printf("%s: no memory for rx list " 819 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 820 return (ENOBUFS); 821 } 822 823 MCLGET(m_new, M_DONTWAIT); 824 if (!(m_new->m_flags & M_EXT)) { 825 printf("%s: no memory for rx list " 826 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 827 m_freem(m_new); 828 return (ENOBUFS); 829 } 830 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 831 } else { 832 m_new = m; 833 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 834 m_new->m_data = m_new->m_ext.ext_buf; 835 } 836 837 m_adj(m_new, ETHER_ALIGN); 838 c->cue_mbuf = m_new; 839 840 return (0); 841 } 842 843 static int 844 cue_rx_list_init(sc) 845 struct cue_softc *sc; 846 { 847 struct cue_cdata *cd; 848 struct cue_chain *c; 849 int i; 850 851 cd = &sc->cue_cdata; 852 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 853 c = &cd->cue_rx_chain[i]; 854 c->cue_sc = sc; 855 c->cue_idx = i; 856 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 857 return (ENOBUFS); 858 if (c->cue_xfer == NULL) { 859 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 860 if (c->cue_xfer == NULL) 861 return (ENOBUFS); 862 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 863 if (c->cue_buf == NULL) { 864 usbd_free_xfer(c->cue_xfer); 865 return (ENOBUFS); 866 } 867 } 868 } 869 870 return (0); 871 } 872 873 static int 874 cue_tx_list_init(sc) 875 struct cue_softc *sc; 876 { 877 struct cue_cdata *cd; 878 struct cue_chain *c; 879 int i; 880 881 cd = &sc->cue_cdata; 882 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 883 c = &cd->cue_tx_chain[i]; 884 c->cue_sc = sc; 885 c->cue_idx = i; 886 c->cue_mbuf = NULL; 887 if (c->cue_xfer == NULL) { 888 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 889 if (c->cue_xfer == NULL) 890 return (ENOBUFS); 891 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 892 if (c->cue_buf == NULL) { 893 usbd_free_xfer(c->cue_xfer); 894 return (ENOBUFS); 895 } 896 } 897 } 898 899 return (0); 900 } 901 902 #ifdef __FreeBSD__ 903 static void 904 cue_rxstart(ifp) 905 struct ifnet *ifp; 906 { 907 struct cue_softc *sc; 908 struct cue_chain *c; 909 910 sc = ifp->if_softc; 911 c = &sc->cue_cdata.cue_rx_chain[sc->cue_cdata.cue_rx_prod]; 912 913 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 914 ifp->if_ierrors++; 915 return; 916 } 917 918 /* Setup new transfer. */ 919 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 920 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 921 USBD_NO_TIMEOUT, cue_rxeof); 922 usbd_transfer(c->cue_xfer); 923 } 924 #endif 925 926 /* 927 * A frame has been uploaded: pass the resulting mbuf chain up to 928 * the higher level protocols. 929 */ 930 static void 931 cue_rxeof(xfer, priv, status) 932 usbd_xfer_handle xfer; 933 usbd_private_handle priv; 934 usbd_status status; 935 { 936 struct cue_chain *c = priv; 937 struct cue_softc *sc = c->cue_sc; 938 struct ifnet *ifp = GET_IFP(sc); 939 struct mbuf *m; 940 int total_len = 0; 941 u_int16_t len; 942 #if defined(__NetBSD__) || defined(__OpenBSD__) 943 int s; 944 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 945 946 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 947 __FUNCTION__, status)); 948 949 if (sc->cue_dying) 950 return; 951 952 if (!(ifp->if_flags & IFF_RUNNING)) 953 return; 954 955 if (status != USBD_NORMAL_COMPLETION) { 956 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 957 return; 958 sc->cue_rx_errs++; 959 if (usbd_ratecheck(&sc->cue_rx_notice)) { 960 printf("%s: %u usb errors on rx: %s\n", 961 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 962 usbd_errstr(status)); 963 sc->cue_rx_errs = 0; 964 } 965 if (status == USBD_STALLED) 966 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 967 goto done; 968 } 969 970 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 971 972 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 973 974 m = c->cue_mbuf; 975 len = UGETW(mtod(m, u_int8_t *)); 976 977 /* No errors; receive the packet. */ 978 total_len = len; 979 980 if (len < sizeof(struct ether_header)) { 981 ifp->if_ierrors++; 982 goto done; 983 } 984 985 ifp->if_ipackets++; 986 m_adj(m, sizeof(u_int16_t)); 987 m->m_pkthdr.len = m->m_len = total_len; 988 989 #if defined(__FreeBSD__) 990 m->m_pkthdr.rcvif = (struct ifnet *)&cue_qdat; 991 /* Put the packet on the special USB input queue. */ 992 usb_ether_input(m); 993 994 return; 995 #elif defined(__NetBSD__) || defined(__OpenBSD__) 996 m->m_pkthdr.rcvif = ifp; 997 998 s = splimp(); 999 1000 /* XXX ugly */ 1001 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 1002 ifp->if_ierrors++; 1003 goto done1; 1004 } 1005 1006 #if NBPFILTER > 0 1007 /* 1008 * Handle BPF listeners. Let the BPF user see the packet, but 1009 * don't pass it up to the ether_input() layer unless it's 1010 * a broadcast packet, multicast packet, matches our ethernet 1011 * address or the interface is in promiscuous mode. 1012 */ 1013 if (ifp->if_bpf) { 1014 struct ether_header *eh = mtod(m, struct ether_header *); 1015 BPF_MTAP(ifp, m); 1016 if ((ifp->if_flags & IFF_PROMISC) && 1017 memcmp(eh->ether_dhost, LLADDR(ifp->if_sadl), 1018 ETHER_ADDR_LEN) && 1019 !(eh->ether_dhost[0] & 1)) { 1020 m_freem(m); 1021 goto done1; 1022 } 1023 } 1024 #endif 1025 1026 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 1027 __FUNCTION__, m->m_len)); 1028 (*ifp->if_input)(ifp, m); 1029 done1: 1030 splx(s); 1031 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1032 1033 done: 1034 /* Setup new transfer. */ 1035 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1036 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 1037 USBD_NO_TIMEOUT, cue_rxeof); 1038 usbd_transfer(c->cue_xfer); 1039 1040 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 1041 __FUNCTION__)); 1042 } 1043 1044 /* 1045 * A frame was downloaded to the chip. It's safe for us to clean up 1046 * the list buffers. 1047 */ 1048 static void 1049 cue_txeof(xfer, priv, status) 1050 usbd_xfer_handle xfer; 1051 usbd_private_handle priv; 1052 usbd_status status; 1053 { 1054 struct cue_chain *c = priv; 1055 struct cue_softc *sc = c->cue_sc; 1056 struct ifnet *ifp = GET_IFP(sc); 1057 int s; 1058 1059 if (sc->cue_dying) 1060 return; 1061 1062 s = splimp(); 1063 1064 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 1065 __FUNCTION__, status)); 1066 1067 ifp->if_timer = 0; 1068 ifp->if_flags &= ~IFF_OACTIVE; 1069 1070 if (status != USBD_NORMAL_COMPLETION) { 1071 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1072 splx(s); 1073 return; 1074 } 1075 ifp->if_oerrors++; 1076 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 1077 usbd_errstr(status)); 1078 if (status == USBD_STALLED) 1079 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 1080 splx(s); 1081 return; 1082 } 1083 1084 ifp->if_opackets++; 1085 1086 #if defined(__FreeBSD__) 1087 c->cue_mbuf->m_pkthdr.rcvif = ifp; 1088 usb_tx_done(c->cue_mbuf); 1089 c->cue_mbuf = NULL; 1090 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1091 m_freem(c->cue_mbuf); 1092 c->cue_mbuf = NULL; 1093 1094 if (ifp->if_snd.ifq_head != NULL) 1095 cue_start(ifp); 1096 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1097 1098 splx(s); 1099 } 1100 1101 static void 1102 cue_tick(xsc) 1103 void *xsc; 1104 { 1105 struct cue_softc *sc = xsc; 1106 struct ifnet *ifp; 1107 int s; 1108 1109 if (sc == NULL) 1110 return; 1111 1112 if (sc->cue_dying) 1113 return; 1114 1115 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 1116 1117 s = splimp(); 1118 1119 ifp = GET_IFP(sc); 1120 1121 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 1122 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 1123 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 1124 1125 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 1126 ifp->if_ierrors++; 1127 1128 usb_timeout(cue_tick, sc, hz, sc->cue_stat_ch); 1129 1130 splx(s); 1131 } 1132 1133 static int 1134 cue_send(sc, m, idx) 1135 struct cue_softc *sc; 1136 struct mbuf *m; 1137 int idx; 1138 { 1139 int total_len; 1140 struct cue_chain *c; 1141 usbd_status err; 1142 1143 c = &sc->cue_cdata.cue_tx_chain[idx]; 1144 1145 /* 1146 * Copy the mbuf data into a contiguous buffer, leaving two 1147 * bytes at the beginning to hold the frame length. 1148 */ 1149 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 1150 c->cue_mbuf = m; 1151 1152 total_len = m->m_pkthdr.len + 2; 1153 1154 DPRINTFN(10,("%s: %s: total_len=%d\n", 1155 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 1156 1157 /* The first two bytes are the frame length */ 1158 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 1159 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 1160 1161 /* XXX 10000 */ 1162 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 1163 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 1164 1165 /* Transmit */ 1166 err = usbd_transfer(c->cue_xfer); 1167 if (err != USBD_IN_PROGRESS) { 1168 cue_stop(sc); 1169 return (EIO); 1170 } 1171 1172 sc->cue_cdata.cue_tx_cnt++; 1173 1174 return (0); 1175 } 1176 1177 static void 1178 cue_start(ifp) 1179 struct ifnet *ifp; 1180 { 1181 struct cue_softc *sc = ifp->if_softc; 1182 struct mbuf *m_head = NULL; 1183 1184 if (sc->cue_dying) 1185 return; 1186 1187 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1188 1189 if (ifp->if_flags & IFF_OACTIVE) 1190 return; 1191 1192 IF_DEQUEUE(&ifp->if_snd, m_head); 1193 if (m_head == NULL) 1194 return; 1195 1196 if (cue_send(sc, m_head, 0)) { 1197 IF_PREPEND(&ifp->if_snd, m_head); 1198 ifp->if_flags |= IFF_OACTIVE; 1199 return; 1200 } 1201 1202 #if NBPFILTER > 0 1203 /* 1204 * If there's a BPF listener, bounce a copy of this frame 1205 * to him. 1206 */ 1207 if (ifp->if_bpf) 1208 BPF_MTAP(ifp, m_head); 1209 #endif 1210 1211 ifp->if_flags |= IFF_OACTIVE; 1212 1213 /* 1214 * Set a timeout in case the chip goes out to lunch. 1215 */ 1216 ifp->if_timer = 5; 1217 } 1218 1219 static void 1220 cue_init(xsc) 1221 void *xsc; 1222 { 1223 struct cue_softc *sc = xsc; 1224 struct ifnet *ifp = GET_IFP(sc); 1225 int i, s, ctl; 1226 u_char *eaddr; 1227 1228 if (sc->cue_dying) 1229 return; 1230 1231 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1232 1233 if (ifp->if_flags & IFF_RUNNING) 1234 return; 1235 1236 s = splimp(); 1237 1238 /* 1239 * Cancel pending I/O and free all RX/TX buffers. 1240 */ 1241 #if 1 1242 cue_reset(sc); 1243 #endif 1244 1245 /* Set advanced operation modes. */ 1246 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1247 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1248 1249 #if defined(__FreeBSD__) 1250 eaddr = sc->arpcom.ac_enaddr; 1251 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1252 eaddr = LLADDR(ifp->if_sadl); 1253 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1254 /* Set MAC address */ 1255 for (i = 0; i < ETHER_ADDR_LEN; i++) 1256 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1257 1258 /* Enable RX logic. */ 1259 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1260 if (ifp->if_flags & IFF_PROMISC) 1261 ctl |= CUE_ETHCTL_PROMISC; 1262 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1263 1264 /* Init TX ring. */ 1265 if (cue_tx_list_init(sc) == ENOBUFS) { 1266 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1267 splx(s); 1268 return; 1269 } 1270 1271 /* Init RX ring. */ 1272 if (cue_rx_list_init(sc) == ENOBUFS) { 1273 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1274 splx(s); 1275 return; 1276 } 1277 1278 /* Load the multicast filter. */ 1279 cue_setmulti(sc); 1280 1281 /* 1282 * Set the number of RX and TX buffers that we want 1283 * to reserve inside the ASIC. 1284 */ 1285 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1286 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1287 1288 /* Set advanced operation modes. */ 1289 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1290 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1291 1292 /* Program the LED operation. */ 1293 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1294 1295 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1296 if (cue_open_pipes(sc)) { 1297 splx(s); 1298 return; 1299 } 1300 } 1301 1302 ifp->if_flags |= IFF_RUNNING; 1303 ifp->if_flags &= ~IFF_OACTIVE; 1304 1305 splx(s); 1306 1307 usb_timeout(cue_tick, sc, hz, sc->cue_stat_ch); 1308 } 1309 1310 static int 1311 cue_open_pipes(sc) 1312 struct cue_softc *sc; 1313 { 1314 struct cue_chain *c; 1315 usbd_status err; 1316 int i; 1317 1318 /* Open RX and TX pipes. */ 1319 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1320 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1321 if (err) { 1322 printf("%s: open rx pipe failed: %s\n", 1323 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1324 return (EIO); 1325 } 1326 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1327 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1328 if (err) { 1329 printf("%s: open tx pipe failed: %s\n", 1330 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1331 return (EIO); 1332 } 1333 1334 /* Start up the receive pipe. */ 1335 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1336 c = &sc->cue_cdata.cue_rx_chain[i]; 1337 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1338 c, c->cue_buf, CUE_BUFSZ, 1339 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1340 cue_rxeof); 1341 usbd_transfer(c->cue_xfer); 1342 } 1343 1344 return (0); 1345 } 1346 1347 static int 1348 cue_ioctl(ifp, command, data) 1349 struct ifnet *ifp; 1350 u_long command; 1351 caddr_t data; 1352 { 1353 struct cue_softc *sc = ifp->if_softc; 1354 #if defined(__NetBSD__) || defined(__OpenBSD__) 1355 struct ifaddr *ifa = (struct ifaddr *)data; 1356 struct ifreq *ifr = (struct ifreq *)data; 1357 #endif 1358 int s, error = 0; 1359 1360 if (sc->cue_dying) 1361 return (EIO); 1362 1363 s = splimp(); 1364 1365 switch(command) { 1366 #if defined(__FreeBSD__) 1367 case SIOCSIFADDR: 1368 case SIOCGIFADDR: 1369 case SIOCSIFMTU: 1370 error = ether_ioctl(ifp, command, data); 1371 break; 1372 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1373 case SIOCSIFADDR: 1374 ifp->if_flags |= IFF_UP; 1375 cue_init(sc); 1376 1377 switch (ifa->ifa_addr->sa_family) { 1378 #ifdef INET 1379 case AF_INET: 1380 arp_ifinit(ifp, ifa); 1381 break; 1382 #endif /* INET */ 1383 #ifdef NS 1384 case AF_NS: 1385 { 1386 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1387 1388 if (ns_nullhost(*ina)) 1389 ina->x_host = *(union ns_host *) 1390 LLADDR(ifp->if_sadl); 1391 else 1392 memcpy(LLADDR(ifp->if_sadl), 1393 ina->x_host.c_host, 1394 ifp->if_addrlen); 1395 break; 1396 } 1397 #endif /* NS */ 1398 } 1399 break; 1400 1401 case SIOCSIFMTU: 1402 if (ifr->ifr_mtu > ETHERMTU) 1403 error = EINVAL; 1404 else 1405 ifp->if_mtu = ifr->ifr_mtu; 1406 break; 1407 1408 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1409 1410 case SIOCSIFFLAGS: 1411 if (ifp->if_flags & IFF_UP) { 1412 if (ifp->if_flags & IFF_RUNNING && 1413 ifp->if_flags & IFF_PROMISC && 1414 !(sc->cue_if_flags & IFF_PROMISC)) { 1415 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1416 cue_setmulti(sc); 1417 } else if (ifp->if_flags & IFF_RUNNING && 1418 !(ifp->if_flags & IFF_PROMISC) && 1419 sc->cue_if_flags & IFF_PROMISC) { 1420 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1421 cue_setmulti(sc); 1422 } else if (!(ifp->if_flags & IFF_RUNNING)) 1423 cue_init(sc); 1424 } else { 1425 if (ifp->if_flags & IFF_RUNNING) 1426 cue_stop(sc); 1427 } 1428 sc->cue_if_flags = ifp->if_flags; 1429 error = 0; 1430 break; 1431 case SIOCADDMULTI: 1432 case SIOCDELMULTI: 1433 cue_setmulti(sc); 1434 error = 0; 1435 break; 1436 default: 1437 error = EINVAL; 1438 break; 1439 } 1440 1441 splx(s); 1442 1443 return (error); 1444 } 1445 1446 static void 1447 cue_watchdog(ifp) 1448 struct ifnet *ifp; 1449 { 1450 struct cue_softc *sc = ifp->if_softc; 1451 1452 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1453 1454 if (sc->cue_dying) 1455 return; 1456 1457 ifp->if_oerrors++; 1458 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1459 1460 /* 1461 * The polling business is a kludge to avoid allowing the 1462 * USB code to call tsleep() in usbd_delay_ms(), which will 1463 * kill us since the watchdog routine is invoked from 1464 * interrupt context. 1465 */ 1466 usbd_set_polling(sc->cue_udev, 1); 1467 cue_stop(sc); 1468 cue_init(sc); 1469 usbd_set_polling(sc->cue_udev, 0); 1470 1471 if (ifp->if_snd.ifq_head != NULL) 1472 cue_start(ifp); 1473 } 1474 1475 /* 1476 * Stop the adapter and free any mbufs allocated to the 1477 * RX and TX lists. 1478 */ 1479 static void 1480 cue_stop(sc) 1481 struct cue_softc *sc; 1482 { 1483 usbd_status err; 1484 struct ifnet *ifp; 1485 int i; 1486 1487 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1488 1489 ifp = GET_IFP(sc); 1490 ifp->if_timer = 0; 1491 1492 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1493 cue_reset(sc); 1494 usb_untimeout(cue_tick, sc, sc->cue_stat_ch); 1495 1496 /* Stop transfers. */ 1497 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1498 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1499 if (err) { 1500 printf("%s: abort rx pipe failed: %s\n", 1501 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1502 } 1503 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1504 if (err) { 1505 printf("%s: close rx pipe failed: %s\n", 1506 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1507 } 1508 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1509 } 1510 1511 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1512 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1513 if (err) { 1514 printf("%s: abort tx pipe failed: %s\n", 1515 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1516 } 1517 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1518 if (err) { 1519 printf("%s: close tx pipe failed: %s\n", 1520 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1521 } 1522 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1523 } 1524 1525 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1526 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1527 if (err) { 1528 printf("%s: abort intr pipe failed: %s\n", 1529 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1530 } 1531 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1532 if (err) { 1533 printf("%s: close intr pipe failed: %s\n", 1534 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1535 } 1536 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1537 } 1538 1539 /* Free RX resources. */ 1540 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1541 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1542 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1543 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1544 } 1545 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1546 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1547 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1548 } 1549 } 1550 1551 /* Free TX resources. */ 1552 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1553 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1554 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1555 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1556 } 1557 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1558 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1559 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1560 } 1561 } 1562 1563 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1564 } 1565 1566 #ifdef __FreeBSD__ 1567 /* 1568 * Stop all chip I/O so that the kernel's probe routines don't 1569 * get confused by errant DMAs when rebooting. 1570 */ 1571 static void 1572 cue_shutdown(dev) 1573 device_t dev; 1574 { 1575 struct cue_softc *sc; 1576 1577 sc = device_get_softc(dev); 1578 1579 cue_reset(sc); 1580 cue_stop(sc); 1581 } 1582 #endif 1583
Indexes created Sat Sep 27 22:09:54 GMT 2025