if_cue.c revision 1.17
1 /* $NetBSD: if_cue.c,v 1.17 2000/03/27 12:33:53 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 Static int cue_open_pipes __P((struct cue_softc *)); 153 Static int cue_tx_list_init __P((struct cue_softc *)); 154 Static int cue_rx_list_init __P((struct cue_softc *)); 155 Static int cue_newbuf __P((struct cue_softc *, struct cue_chain *, 156 struct mbuf *)); 157 Static int cue_send __P((struct cue_softc *, struct mbuf *, int)); 158 Static void cue_rxeof __P((usbd_xfer_handle, 159 usbd_private_handle, usbd_status)); 160 Static void cue_txeof __P((usbd_xfer_handle, 161 usbd_private_handle, usbd_status)); 162 Static void cue_tick __P((void *)); 163 Static void cue_start __P((struct ifnet *)); 164 Static int cue_ioctl __P((struct ifnet *, u_long, caddr_t)); 165 Static void cue_init __P((void *)); 166 Static void cue_stop __P((struct cue_softc *)); 167 Static void cue_watchdog __P((struct ifnet *)); 168 169 Static void cue_setmulti __P((struct cue_softc *)); 170 Static u_int32_t cue_crc __P((caddr_t)); 171 Static void cue_reset __P((struct cue_softc *)); 172 173 Static int cue_csr_read_1 __P((struct cue_softc *, int)); 174 Static int cue_csr_write_1 __P((struct cue_softc *, int, int)); 175 Static int cue_csr_read_2 __P((struct cue_softc *, int)); 176 #ifdef notdef 177 Static int cue_csr_write_2 __P((struct cue_softc *, int, int)); 178 #endif 179 Static int cue_mem __P((struct cue_softc *, int, 180 int, void *, int)); 181 Static int cue_getmac __P((struct cue_softc *, void *)); 182 183 #ifdef __FreeBSD__ 184 #ifndef lint 185 static const char rcsid[] = 186 "$FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $"; 187 #endif 188 189 Static void cue_rxstart __P((struct ifnet *)); 190 Static void cue_shutdown __P((device_t)); 191 192 Static struct usb_qdat cue_qdat; 193 194 Static device_method_t cue_methods[] = { 195 /* Device interface */ 196 DEVMETHOD(device_probe, cue_match), 197 DEVMETHOD(device_attach, cue_attach), 198 DEVMETHOD(device_detach, cue_detach), 199 DEVMETHOD(device_shutdown, cue_shutdown), 200 201 { 0, 0 } 202 }; 203 204 Static driver_t cue_driver = { 205 "cue", 206 cue_methods, 207 sizeof(struct cue_softc) 208 }; 209 210 Static devclass_t cue_devclass; 211 212 DRIVER_MODULE(if_cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0); 213 214 #endif /* defined(__FreeBSD__) */ 215 216 #define CUE_DO_REQUEST(dev, req, data) \ 217 usbd_do_request_flags(dev, req, data, USBD_NO_TSLEEP, NULL) 218 219 #define CUE_SETBIT(sc, reg, x) \ 220 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 221 222 #define CUE_CLRBIT(sc, reg, x) \ 223 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 224 225 Static int 226 cue_csr_read_1(sc, reg) 227 struct cue_softc *sc; 228 int reg; 229 { 230 usb_device_request_t req; 231 usbd_status err; 232 u_int8_t val = 0; 233 int s; 234 235 if (sc->cue_dying) 236 return (0); 237 238 req.bmRequestType = UT_READ_VENDOR_DEVICE; 239 req.bRequest = CUE_CMD_READREG; 240 USETW(req.wValue, 0); 241 USETW(req.wIndex, reg); 242 USETW(req.wLength, 1); 243 244 s = splusb(); 245 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 246 splx(s); 247 248 if (err) { 249 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 250 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 251 return (0); 252 } 253 254 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 255 USBDEVNAME(sc->cue_dev), reg, val)); 256 257 return (val); 258 } 259 260 Static int 261 cue_csr_read_2(sc, reg) 262 struct cue_softc *sc; 263 int reg; 264 { 265 usb_device_request_t req; 266 usbd_status err; 267 uWord val; 268 int s; 269 270 if (sc->cue_dying) 271 return (0); 272 273 req.bmRequestType = UT_READ_VENDOR_DEVICE; 274 req.bRequest = CUE_CMD_READREG; 275 USETW(req.wValue, 0); 276 USETW(req.wIndex, reg); 277 USETW(req.wLength, 2); 278 279 s = splusb(); 280 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 281 splx(s); 282 283 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 284 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 285 286 if (err) { 287 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 288 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 289 return (0); 290 } 291 292 return (UGETW(val)); 293 } 294 295 Static int 296 cue_csr_write_1(sc, reg, val) 297 struct cue_softc *sc; 298 int reg, val; 299 { 300 usb_device_request_t req; 301 usbd_status err; 302 int s; 303 304 if (sc->cue_dying) 305 return (0); 306 307 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 308 USBDEVNAME(sc->cue_dev), reg, val)); 309 310 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 311 req.bRequest = CUE_CMD_WRITEREG; 312 USETW(req.wValue, val); 313 USETW(req.wIndex, reg); 314 USETW(req.wLength, 0); 315 316 s = splusb(); 317 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 318 splx(s); 319 320 if (err) { 321 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 322 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 323 return (-1); 324 } 325 326 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 327 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 328 329 return (0); 330 } 331 332 #ifdef notdef 333 Static int 334 cue_csr_write_2(sc, reg, val) 335 struct cue_softc *sc; 336 int reg, aval; 337 { 338 usb_device_request_t req; 339 usbd_status err; 340 uWord val; 341 int s; 342 343 if (sc->cue_dying) 344 return (0); 345 346 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 347 USBDEVNAME(sc->cue_dev), reg, aval)); 348 349 USETW(val, aval); 350 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 351 req.bRequest = CUE_CMD_WRITEREG; 352 USETW(req.wValue, val); 353 USETW(req.wIndex, reg); 354 USETW(req.wLength, 0); 355 356 s = splusb(); 357 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 358 splx(s); 359 360 if (err) { 361 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 362 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 363 return (-1); 364 } 365 366 return (0); 367 } 368 #endif 369 370 Static int 371 cue_mem(sc, cmd, addr, buf, len) 372 struct cue_softc *sc; 373 int cmd; 374 int addr; 375 void *buf; 376 int len; 377 { 378 usb_device_request_t req; 379 usbd_status err; 380 int s; 381 382 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 383 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 384 385 if (cmd == CUE_CMD_READSRAM) 386 req.bmRequestType = UT_READ_VENDOR_DEVICE; 387 else 388 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 389 req.bRequest = cmd; 390 USETW(req.wValue, 0); 391 USETW(req.wIndex, addr); 392 USETW(req.wLength, len); 393 394 s = splusb(); 395 err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); 396 splx(s); 397 398 if (err) { 399 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 400 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 401 return (-1); 402 } 403 404 return (0); 405 } 406 407 Static int 408 cue_getmac(sc, buf) 409 struct cue_softc *sc; 410 void *buf; 411 { 412 usb_device_request_t req; 413 usbd_status err; 414 int s; 415 416 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 417 418 req.bmRequestType = UT_READ_VENDOR_DEVICE; 419 req.bRequest = CUE_CMD_GET_MACADDR; 420 USETW(req.wValue, 0); 421 USETW(req.wIndex, 0); 422 USETW(req.wLength, ETHER_ADDR_LEN); 423 424 s = splusb(); 425 err = CUE_DO_REQUEST(sc->cue_udev, &req, buf); 426 splx(s); 427 428 if (err) { 429 printf("%s: read MAC address failed\n", USBDEVNAME(sc->cue_dev)); 430 return (-1); 431 } 432 433 return (0); 434 } 435 436 #define CUE_POLY 0xEDB88320 437 #define CUE_BITS 9 438 439 Static u_int32_t 440 cue_crc(addr) 441 caddr_t addr; 442 { 443 u_int32_t idx, bit, data, crc; 444 445 /* Compute CRC for the address value. */ 446 crc = 0xFFFFFFFF; /* initial value */ 447 448 for (idx = 0; idx < 6; idx++) { 449 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 450 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 451 } 452 453 return (crc & ((1 << CUE_BITS) - 1)); 454 } 455 456 Static void 457 cue_setmulti(sc) 458 struct cue_softc *sc; 459 { 460 struct ifnet *ifp; 461 #if defined(__FreeBSD__) 462 struct ifmultiaddr *ifma; 463 #elif defined(__NetBSD__) || defined(__OpenBSD__) 464 struct ether_multi *enm; 465 struct ether_multistep step; 466 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 467 u_int32_t h, i; 468 469 ifp = GET_IFP(sc); 470 471 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 472 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 473 474 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 475 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 476 sc->cue_mctab[i] = 0xFF; 477 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 478 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 479 return; 480 } 481 482 /* first, zot all the existing hash bits */ 483 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 484 sc->cue_mctab[i] = 0; 485 486 /* now program new ones */ 487 #if defined(__FreeBSD__) 488 for (ifma = ifp->if_multiaddrs.lh_first; ifma != NULL; 489 ifma = ifma->ifma_link.le_next) { 490 if (ifma->ifma_addr->sa_family != AF_LINK) 491 continue; 492 h = cue_crc(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 493 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 494 } 495 #elif defined(__NetBSD__) || defined(__OpenBSD__) 496 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 497 while (enm != NULL) { 498 #if 0 499 if (memcmp(enm->enm_addrlo, 500 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) { 501 ifp->if_flags |= IFF_ALLMULTI; 502 /* XXX what now? */ 503 return; 504 } 505 #endif 506 h = cue_crc(enm->enm_addrlo); 507 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 508 ETHER_NEXT_MULTI(step, enm); 509 } 510 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 511 512 /* 513 * Also include the broadcast address in the filter 514 * so we can receive broadcast frames. 515 */ 516 if (ifp->if_flags & IFF_BROADCAST) { 517 h = cue_crc(etherbroadcastaddr); 518 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 519 } 520 521 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 522 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 523 } 524 525 Static void 526 cue_reset(sc) 527 struct cue_softc *sc; 528 { 529 usb_device_request_t req; 530 usbd_status err; 531 int s; 532 533 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 534 535 if (sc->cue_dying) 536 return; 537 538 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 539 req.bRequest = CUE_CMD_RESET; 540 USETW(req.wValue, 0); 541 USETW(req.wIndex, 0); 542 USETW(req.wLength, 0); 543 544 s = splusb(); 545 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 546 splx(s); 547 548 if (err) 549 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 550 551 /* Wait a little while for the chip to get its brains in order. */ 552 delay(1000); /* XXX */ 553 } 554 555 /* 556 * Probe for a CATC chip. 557 */ 558 USB_MATCH(cue) 559 { 560 USB_MATCH_START(cue, uaa); 561 struct cue_type *t; 562 563 if (uaa->iface != NULL) 564 return (UMATCH_NONE); 565 566 for (t = cue_devs; t->cue_vid != 0; t++) 567 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 568 return (UMATCH_VENDOR_PRODUCT); 569 570 return (UMATCH_NONE); 571 } 572 573 /* 574 * Attach the interface. Allocate softc structures, do ifmedia 575 * setup and ethernet/BPF attach. 576 */ 577 USB_ATTACH(cue) 578 { 579 USB_ATTACH_START(cue, sc, uaa); 580 char devinfo[1024]; 581 int s; 582 u_char eaddr[ETHER_ADDR_LEN]; 583 usbd_device_handle dev = uaa->device; 584 usbd_interface_handle iface; 585 usbd_status err; 586 struct ifnet *ifp; 587 usb_interface_descriptor_t *id; 588 usb_endpoint_descriptor_t *ed; 589 int i; 590 591 #ifdef __FreeBSD__ 592 bzero(sc, sizeof(struct cue_softc)); 593 #endif 594 595 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 596 597 usbd_devinfo(dev, 0, devinfo); 598 USB_ATTACH_SETUP; 599 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 600 601 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 0); 602 if (err) { 603 printf("%s: setting config no failed\n", 604 USBDEVNAME(sc->cue_dev)); 605 USB_ATTACH_ERROR_RETURN; 606 } 607 608 sc->cue_udev = dev; 609 sc->cue_product = uaa->product; 610 sc->cue_vendor = uaa->vendor; 611 612 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 613 if (err) { 614 printf("%s: getting interface handle failed\n", 615 USBDEVNAME(sc->cue_dev)); 616 USB_ATTACH_ERROR_RETURN; 617 } 618 619 sc->cue_iface = iface; 620 id = usbd_get_interface_descriptor(iface); 621 622 /* Find endpoints. */ 623 for (i = 0; i < id->bNumEndpoints; i++) { 624 ed = usbd_interface2endpoint_descriptor(iface, i); 625 if (ed == NULL) { 626 printf("%s: couldn't get ep %d\n", 627 USBDEVNAME(sc->cue_dev), i); 628 USB_ATTACH_ERROR_RETURN; 629 } 630 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 631 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 632 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 633 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 634 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 635 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 636 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 637 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 638 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 639 } 640 } 641 642 #if 0 643 /* Reset the adapter. */ 644 cue_reset(sc); 645 #endif 646 /* 647 * Get station address. 648 */ 649 cue_getmac(sc, &eaddr); 650 651 s = splimp(); 652 653 /* 654 * A CATC chip was detected. Inform the world. 655 */ 656 #if defined(__FreeBSD__) 657 printf("%s: Ethernet address: %6D\n", USBDEVNAME(sc->cue_dev), eaddr, ":"); 658 659 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 660 661 ifp = &sc->arpcom.ac_if; 662 ifp->if_softc = sc; 663 ifp->if_unit = USBDEVNAME(sc->cue_dev); 664 ifp->if_name = "cue"; 665 ifp->if_mtu = ETHERMTU; 666 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 667 ifp->if_ioctl = cue_ioctl; 668 ifp->if_output = ether_output; 669 ifp->if_start = cue_start; 670 ifp->if_watchdog = cue_watchdog; 671 ifp->if_init = cue_init; 672 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 673 674 cue_qdat.ifp = ifp; 675 cue_qdat.if_rxstart = cue_rxstart; 676 677 /* 678 * Call MI attach routines. 679 */ 680 if_attach(ifp); 681 ether_ifattach(ifp); 682 bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header)); 683 usb_register_netisr(); 684 685 #elif defined(__NetBSD__) || defined(__OpenBSD__) 686 687 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 688 ether_sprintf(eaddr)); 689 690 /* Initialize interface info.*/ 691 ifp = GET_IFP(sc); 692 ifp->if_softc = sc; 693 ifp->if_mtu = ETHERMTU; 694 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 695 ifp->if_ioctl = cue_ioctl; 696 ifp->if_start = cue_start; 697 ifp->if_watchdog = cue_watchdog; 698 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 699 700 /* Attach the interface. */ 701 if_attach(ifp); 702 ether_ifattach(ifp, eaddr); 703 704 #if NBPFILTER > 0 705 bpfattach(&ifp->if_bpf, ifp, DLT_EN10MB, 706 sizeof(struct ether_header)); 707 #endif 708 #if NRND > 0 709 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 710 RND_TYPE_NET, 0); 711 #endif 712 713 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 714 715 usb_callout_init(sc->cue_stat_ch); 716 717 sc->cue_attached = 1; 718 splx(s); 719 720 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 721 USBDEV(sc->cue_dev)); 722 723 USB_ATTACH_SUCCESS_RETURN; 724 } 725 726 USB_DETACH(cue) 727 { 728 USB_DETACH_START(cue, sc); 729 struct ifnet *ifp = GET_IFP(sc); 730 int s; 731 732 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 733 734 s = splusb(); 735 736 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 737 738 if (!sc->cue_attached) { 739 /* Detached before attached finished, so just bail out. */ 740 splx(s); 741 return (0); 742 } 743 744 if (ifp->if_flags & IFF_RUNNING) 745 cue_stop(sc); 746 747 #if defined(__NetBSD__) 748 #if NRND > 0 749 rnd_detach_source(&sc->rnd_source); 750 #endif 751 #if NBPFILTER > 0 752 bpfdetach(ifp); 753 #endif 754 ether_ifdetach(ifp); 755 #endif /* __NetBSD__ */ 756 757 if_detach(ifp); 758 759 #ifdef DIAGNOSTIC 760 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 761 sc->cue_ep[CUE_ENDPT_RX] != NULL || 762 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 763 printf("%s: detach has active endpoints\n", 764 USBDEVNAME(sc->cue_dev)); 765 #endif 766 767 sc->cue_attached = 0; 768 splx(s); 769 770 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 771 USBDEV(sc->cue_dev)); 772 773 return (0); 774 } 775 776 #if defined(__NetBSD__) || defined(__OpenBSD__) 777 int 778 cue_activate(self, act) 779 device_ptr_t self; 780 enum devact act; 781 { 782 struct cue_softc *sc = (struct cue_softc *)self; 783 784 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 785 786 switch (act) { 787 case DVACT_ACTIVATE: 788 return (EOPNOTSUPP); 789 break; 790 791 case DVACT_DEACTIVATE: 792 /* Deactivate the interface. */ 793 if_deactivate(&sc->cue_ec.ec_if); 794 sc->cue_dying = 1; 795 break; 796 } 797 return (0); 798 } 799 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 800 801 /* 802 * Initialize an RX descriptor and attach an MBUF cluster. 803 */ 804 Static int 805 cue_newbuf(sc, c, m) 806 struct cue_softc *sc; 807 struct cue_chain *c; 808 struct mbuf *m; 809 { 810 struct mbuf *m_new = NULL; 811 812 if (m == NULL) { 813 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 814 if (m_new == NULL) { 815 printf("%s: no memory for rx list " 816 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 817 return (ENOBUFS); 818 } 819 820 MCLGET(m_new, M_DONTWAIT); 821 if (!(m_new->m_flags & M_EXT)) { 822 printf("%s: no memory for rx list " 823 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 824 m_freem(m_new); 825 return (ENOBUFS); 826 } 827 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 828 } else { 829 m_new = m; 830 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 831 m_new->m_data = m_new->m_ext.ext_buf; 832 } 833 834 m_adj(m_new, ETHER_ALIGN); 835 c->cue_mbuf = m_new; 836 837 return (0); 838 } 839 840 Static int 841 cue_rx_list_init(sc) 842 struct cue_softc *sc; 843 { 844 struct cue_cdata *cd; 845 struct cue_chain *c; 846 int i; 847 848 cd = &sc->cue_cdata; 849 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 850 c = &cd->cue_rx_chain[i]; 851 c->cue_sc = sc; 852 c->cue_idx = i; 853 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 854 return (ENOBUFS); 855 if (c->cue_xfer == NULL) { 856 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 857 if (c->cue_xfer == NULL) 858 return (ENOBUFS); 859 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 860 if (c->cue_buf == NULL) { 861 usbd_free_xfer(c->cue_xfer); 862 return (ENOBUFS); 863 } 864 } 865 } 866 867 return (0); 868 } 869 870 Static int 871 cue_tx_list_init(sc) 872 struct cue_softc *sc; 873 { 874 struct cue_cdata *cd; 875 struct cue_chain *c; 876 int i; 877 878 cd = &sc->cue_cdata; 879 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 880 c = &cd->cue_tx_chain[i]; 881 c->cue_sc = sc; 882 c->cue_idx = i; 883 c->cue_mbuf = NULL; 884 if (c->cue_xfer == NULL) { 885 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 886 if (c->cue_xfer == NULL) 887 return (ENOBUFS); 888 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 889 if (c->cue_buf == NULL) { 890 usbd_free_xfer(c->cue_xfer); 891 return (ENOBUFS); 892 } 893 } 894 } 895 896 return (0); 897 } 898 899 #ifdef __FreeBSD__ 900 Static void 901 cue_rxstart(ifp) 902 struct ifnet *ifp; 903 { 904 struct cue_softc *sc; 905 struct cue_chain *c; 906 907 sc = ifp->if_softc; 908 c = &sc->cue_cdata.cue_rx_chain[sc->cue_cdata.cue_rx_prod]; 909 910 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 911 ifp->if_ierrors++; 912 return; 913 } 914 915 /* Setup new transfer. */ 916 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 917 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 918 USBD_NO_TIMEOUT, cue_rxeof); 919 usbd_transfer(c->cue_xfer); 920 } 921 #endif 922 923 /* 924 * A frame has been uploaded: pass the resulting mbuf chain up to 925 * the higher level protocols. 926 */ 927 Static void 928 cue_rxeof(xfer, priv, status) 929 usbd_xfer_handle xfer; 930 usbd_private_handle priv; 931 usbd_status status; 932 { 933 struct cue_chain *c = priv; 934 struct cue_softc *sc = c->cue_sc; 935 struct ifnet *ifp = GET_IFP(sc); 936 struct mbuf *m; 937 int total_len = 0; 938 u_int16_t len; 939 #if defined(__NetBSD__) || defined(__OpenBSD__) 940 int s; 941 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 942 943 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 944 __FUNCTION__, status)); 945 946 if (sc->cue_dying) 947 return; 948 949 if (!(ifp->if_flags & IFF_RUNNING)) 950 return; 951 952 if (status != USBD_NORMAL_COMPLETION) { 953 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 954 return; 955 sc->cue_rx_errs++; 956 if (usbd_ratecheck(&sc->cue_rx_notice)) { 957 printf("%s: %u usb errors on rx: %s\n", 958 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 959 usbd_errstr(status)); 960 sc->cue_rx_errs = 0; 961 } 962 if (status == USBD_STALLED) 963 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 964 goto done; 965 } 966 967 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 968 969 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 970 971 m = c->cue_mbuf; 972 len = UGETW(mtod(m, u_int8_t *)); 973 974 /* No errors; receive the packet. */ 975 total_len = len; 976 977 if (len < sizeof(struct ether_header)) { 978 ifp->if_ierrors++; 979 goto done; 980 } 981 982 ifp->if_ipackets++; 983 m_adj(m, sizeof(u_int16_t)); 984 m->m_pkthdr.len = m->m_len = total_len; 985 986 #if defined(__FreeBSD__) 987 m->m_pkthdr.rcvif = (struct ifnet *)&cue_qdat; 988 /* Put the packet on the special USB input queue. */ 989 usb_ether_input(m); 990 991 return; 992 #elif defined(__NetBSD__) || defined(__OpenBSD__) 993 m->m_pkthdr.rcvif = ifp; 994 995 s = splimp(); 996 997 /* XXX ugly */ 998 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 999 ifp->if_ierrors++; 1000 goto done1; 1001 } 1002 1003 #if NBPFILTER > 0 1004 /* 1005 * Handle BPF listeners. Let the BPF user see the packet, but 1006 * don't pass it up to the ether_input() layer unless it's 1007 * a broadcast packet, multicast packet, matches our ethernet 1008 * address or the interface is in promiscuous mode. 1009 */ 1010 if (ifp->if_bpf) { 1011 struct ether_header *eh = mtod(m, struct ether_header *); 1012 BPF_MTAP(ifp, m); 1013 if ((ifp->if_flags & IFF_PROMISC) && 1014 memcmp(eh->ether_dhost, LLADDR(ifp->if_sadl), 1015 ETHER_ADDR_LEN) && 1016 !(eh->ether_dhost[0] & 1)) { 1017 m_freem(m); 1018 goto done1; 1019 } 1020 } 1021 #endif 1022 1023 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 1024 __FUNCTION__, m->m_len)); 1025 (*ifp->if_input)(ifp, m); 1026 done1: 1027 splx(s); 1028 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1029 1030 done: 1031 /* Setup new transfer. */ 1032 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1033 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 1034 USBD_NO_TIMEOUT, cue_rxeof); 1035 usbd_transfer(c->cue_xfer); 1036 1037 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 1038 __FUNCTION__)); 1039 } 1040 1041 /* 1042 * A frame was downloaded to the chip. It's safe for us to clean up 1043 * the list buffers. 1044 */ 1045 Static void 1046 cue_txeof(xfer, priv, status) 1047 usbd_xfer_handle xfer; 1048 usbd_private_handle priv; 1049 usbd_status status; 1050 { 1051 struct cue_chain *c = priv; 1052 struct cue_softc *sc = c->cue_sc; 1053 struct ifnet *ifp = GET_IFP(sc); 1054 int s; 1055 1056 if (sc->cue_dying) 1057 return; 1058 1059 s = splimp(); 1060 1061 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 1062 __FUNCTION__, status)); 1063 1064 ifp->if_timer = 0; 1065 ifp->if_flags &= ~IFF_OACTIVE; 1066 1067 if (status != USBD_NORMAL_COMPLETION) { 1068 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1069 splx(s); 1070 return; 1071 } 1072 ifp->if_oerrors++; 1073 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 1074 usbd_errstr(status)); 1075 if (status == USBD_STALLED) 1076 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 1077 splx(s); 1078 return; 1079 } 1080 1081 ifp->if_opackets++; 1082 1083 #if defined(__FreeBSD__) 1084 c->cue_mbuf->m_pkthdr.rcvif = ifp; 1085 usb_tx_done(c->cue_mbuf); 1086 c->cue_mbuf = NULL; 1087 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1088 m_freem(c->cue_mbuf); 1089 c->cue_mbuf = NULL; 1090 1091 if (ifp->if_snd.ifq_head != NULL) 1092 cue_start(ifp); 1093 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1094 1095 splx(s); 1096 } 1097 1098 Static void 1099 cue_tick(xsc) 1100 void *xsc; 1101 { 1102 struct cue_softc *sc = xsc; 1103 struct ifnet *ifp; 1104 int s; 1105 1106 if (sc == NULL) 1107 return; 1108 1109 if (sc->cue_dying) 1110 return; 1111 1112 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 1113 1114 s = splimp(); 1115 1116 ifp = GET_IFP(sc); 1117 1118 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 1119 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 1120 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 1121 1122 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 1123 ifp->if_ierrors++; 1124 1125 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1126 1127 splx(s); 1128 } 1129 1130 Static int 1131 cue_send(sc, m, idx) 1132 struct cue_softc *sc; 1133 struct mbuf *m; 1134 int idx; 1135 { 1136 int total_len; 1137 struct cue_chain *c; 1138 usbd_status err; 1139 1140 c = &sc->cue_cdata.cue_tx_chain[idx]; 1141 1142 /* 1143 * Copy the mbuf data into a contiguous buffer, leaving two 1144 * bytes at the beginning to hold the frame length. 1145 */ 1146 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 1147 c->cue_mbuf = m; 1148 1149 total_len = m->m_pkthdr.len + 2; 1150 1151 DPRINTFN(10,("%s: %s: total_len=%d\n", 1152 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 1153 1154 /* The first two bytes are the frame length */ 1155 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 1156 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 1157 1158 /* XXX 10000 */ 1159 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 1160 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 1161 1162 /* Transmit */ 1163 err = usbd_transfer(c->cue_xfer); 1164 if (err != USBD_IN_PROGRESS) { 1165 cue_stop(sc); 1166 return (EIO); 1167 } 1168 1169 sc->cue_cdata.cue_tx_cnt++; 1170 1171 return (0); 1172 } 1173 1174 Static void 1175 cue_start(ifp) 1176 struct ifnet *ifp; 1177 { 1178 struct cue_softc *sc = ifp->if_softc; 1179 struct mbuf *m_head = NULL; 1180 1181 if (sc->cue_dying) 1182 return; 1183 1184 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1185 1186 if (ifp->if_flags & IFF_OACTIVE) 1187 return; 1188 1189 IF_DEQUEUE(&ifp->if_snd, m_head); 1190 if (m_head == NULL) 1191 return; 1192 1193 if (cue_send(sc, m_head, 0)) { 1194 IF_PREPEND(&ifp->if_snd, m_head); 1195 ifp->if_flags |= IFF_OACTIVE; 1196 return; 1197 } 1198 1199 #if NBPFILTER > 0 1200 /* 1201 * If there's a BPF listener, bounce a copy of this frame 1202 * to him. 1203 */ 1204 if (ifp->if_bpf) 1205 BPF_MTAP(ifp, m_head); 1206 #endif 1207 1208 ifp->if_flags |= IFF_OACTIVE; 1209 1210 /* 1211 * Set a timeout in case the chip goes out to lunch. 1212 */ 1213 ifp->if_timer = 5; 1214 } 1215 1216 Static void 1217 cue_init(xsc) 1218 void *xsc; 1219 { 1220 struct cue_softc *sc = xsc; 1221 struct ifnet *ifp = GET_IFP(sc); 1222 int i, s, ctl; 1223 u_char *eaddr; 1224 1225 if (sc->cue_dying) 1226 return; 1227 1228 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1229 1230 if (ifp->if_flags & IFF_RUNNING) 1231 return; 1232 1233 s = splimp(); 1234 1235 /* 1236 * Cancel pending I/O and free all RX/TX buffers. 1237 */ 1238 #if 1 1239 cue_reset(sc); 1240 #endif 1241 1242 /* Set advanced operation modes. */ 1243 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1244 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1245 1246 #if defined(__FreeBSD__) 1247 eaddr = sc->arpcom.ac_enaddr; 1248 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1249 eaddr = LLADDR(ifp->if_sadl); 1250 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1251 /* Set MAC address */ 1252 for (i = 0; i < ETHER_ADDR_LEN; i++) 1253 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1254 1255 /* Enable RX logic. */ 1256 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1257 if (ifp->if_flags & IFF_PROMISC) 1258 ctl |= CUE_ETHCTL_PROMISC; 1259 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1260 1261 /* Init TX ring. */ 1262 if (cue_tx_list_init(sc) == ENOBUFS) { 1263 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1264 splx(s); 1265 return; 1266 } 1267 1268 /* Init RX ring. */ 1269 if (cue_rx_list_init(sc) == ENOBUFS) { 1270 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1271 splx(s); 1272 return; 1273 } 1274 1275 /* Load the multicast filter. */ 1276 cue_setmulti(sc); 1277 1278 /* 1279 * Set the number of RX and TX buffers that we want 1280 * to reserve inside the ASIC. 1281 */ 1282 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1283 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1284 1285 /* Set advanced operation modes. */ 1286 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1287 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1288 1289 /* Program the LED operation. */ 1290 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1291 1292 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1293 if (cue_open_pipes(sc)) { 1294 splx(s); 1295 return; 1296 } 1297 } 1298 1299 ifp->if_flags |= IFF_RUNNING; 1300 ifp->if_flags &= ~IFF_OACTIVE; 1301 1302 splx(s); 1303 1304 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1305 } 1306 1307 Static int 1308 cue_open_pipes(sc) 1309 struct cue_softc *sc; 1310 { 1311 struct cue_chain *c; 1312 usbd_status err; 1313 int i; 1314 1315 /* Open RX and TX pipes. */ 1316 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1317 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1318 if (err) { 1319 printf("%s: open rx pipe failed: %s\n", 1320 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1321 return (EIO); 1322 } 1323 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1324 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1325 if (err) { 1326 printf("%s: open tx pipe failed: %s\n", 1327 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1328 return (EIO); 1329 } 1330 1331 /* Start up the receive pipe. */ 1332 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1333 c = &sc->cue_cdata.cue_rx_chain[i]; 1334 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1335 c, c->cue_buf, CUE_BUFSZ, 1336 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1337 cue_rxeof); 1338 usbd_transfer(c->cue_xfer); 1339 } 1340 1341 return (0); 1342 } 1343 1344 Static int 1345 cue_ioctl(ifp, command, data) 1346 struct ifnet *ifp; 1347 u_long command; 1348 caddr_t data; 1349 { 1350 struct cue_softc *sc = ifp->if_softc; 1351 #if defined(__NetBSD__) || defined(__OpenBSD__) 1352 struct ifaddr *ifa = (struct ifaddr *)data; 1353 struct ifreq *ifr = (struct ifreq *)data; 1354 #endif 1355 int s, error = 0; 1356 1357 if (sc->cue_dying) 1358 return (EIO); 1359 1360 s = splimp(); 1361 1362 switch(command) { 1363 #if defined(__FreeBSD__) 1364 case SIOCSIFADDR: 1365 case SIOCGIFADDR: 1366 case SIOCSIFMTU: 1367 error = ether_ioctl(ifp, command, data); 1368 break; 1369 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1370 case SIOCSIFADDR: 1371 ifp->if_flags |= IFF_UP; 1372 cue_init(sc); 1373 1374 switch (ifa->ifa_addr->sa_family) { 1375 #ifdef INET 1376 case AF_INET: 1377 arp_ifinit(ifp, ifa); 1378 break; 1379 #endif /* INET */ 1380 #ifdef NS 1381 case AF_NS: 1382 { 1383 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1384 1385 if (ns_nullhost(*ina)) 1386 ina->x_host = *(union ns_host *) 1387 LLADDR(ifp->if_sadl); 1388 else 1389 memcpy(LLADDR(ifp->if_sadl), 1390 ina->x_host.c_host, 1391 ifp->if_addrlen); 1392 break; 1393 } 1394 #endif /* NS */ 1395 } 1396 break; 1397 1398 case SIOCSIFMTU: 1399 if (ifr->ifr_mtu > ETHERMTU) 1400 error = EINVAL; 1401 else 1402 ifp->if_mtu = ifr->ifr_mtu; 1403 break; 1404 1405 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1406 1407 case SIOCSIFFLAGS: 1408 if (ifp->if_flags & IFF_UP) { 1409 if (ifp->if_flags & IFF_RUNNING && 1410 ifp->if_flags & IFF_PROMISC && 1411 !(sc->cue_if_flags & IFF_PROMISC)) { 1412 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1413 cue_setmulti(sc); 1414 } else if (ifp->if_flags & IFF_RUNNING && 1415 !(ifp->if_flags & IFF_PROMISC) && 1416 sc->cue_if_flags & IFF_PROMISC) { 1417 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1418 cue_setmulti(sc); 1419 } else if (!(ifp->if_flags & IFF_RUNNING)) 1420 cue_init(sc); 1421 } else { 1422 if (ifp->if_flags & IFF_RUNNING) 1423 cue_stop(sc); 1424 } 1425 sc->cue_if_flags = ifp->if_flags; 1426 error = 0; 1427 break; 1428 case SIOCADDMULTI: 1429 case SIOCDELMULTI: 1430 cue_setmulti(sc); 1431 error = 0; 1432 break; 1433 default: 1434 error = EINVAL; 1435 break; 1436 } 1437 1438 splx(s); 1439 1440 return (error); 1441 } 1442 1443 Static void 1444 cue_watchdog(ifp) 1445 struct ifnet *ifp; 1446 { 1447 struct cue_softc *sc = ifp->if_softc; 1448 1449 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1450 1451 if (sc->cue_dying) 1452 return; 1453 1454 ifp->if_oerrors++; 1455 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1456 1457 /* 1458 * The polling business is a kludge to avoid allowing the 1459 * USB code to call tsleep() in usbd_delay_ms(), which will 1460 * kill us since the watchdog routine is invoked from 1461 * interrupt context. 1462 */ 1463 usbd_set_polling(sc->cue_udev, 1); 1464 cue_stop(sc); 1465 cue_init(sc); 1466 usbd_set_polling(sc->cue_udev, 0); 1467 1468 if (ifp->if_snd.ifq_head != NULL) 1469 cue_start(ifp); 1470 } 1471 1472 /* 1473 * Stop the adapter and free any mbufs allocated to the 1474 * RX and TX lists. 1475 */ 1476 Static void 1477 cue_stop(sc) 1478 struct cue_softc *sc; 1479 { 1480 usbd_status err; 1481 struct ifnet *ifp; 1482 int i; 1483 1484 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1485 1486 ifp = GET_IFP(sc); 1487 ifp->if_timer = 0; 1488 1489 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1490 cue_reset(sc); 1491 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1492 1493 /* Stop transfers. */ 1494 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1495 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1496 if (err) { 1497 printf("%s: abort rx pipe failed: %s\n", 1498 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1499 } 1500 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1501 if (err) { 1502 printf("%s: close rx pipe failed: %s\n", 1503 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1504 } 1505 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1506 } 1507 1508 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1509 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1510 if (err) { 1511 printf("%s: abort tx pipe failed: %s\n", 1512 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1513 } 1514 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1515 if (err) { 1516 printf("%s: close tx pipe failed: %s\n", 1517 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1518 } 1519 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1520 } 1521 1522 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1523 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1524 if (err) { 1525 printf("%s: abort intr pipe failed: %s\n", 1526 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1527 } 1528 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1529 if (err) { 1530 printf("%s: close intr pipe failed: %s\n", 1531 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1532 } 1533 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1534 } 1535 1536 /* Free RX resources. */ 1537 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1538 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1539 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1540 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1541 } 1542 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1543 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1544 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1545 } 1546 } 1547 1548 /* Free TX resources. */ 1549 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1550 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1551 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1552 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1553 } 1554 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1555 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1556 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1557 } 1558 } 1559 1560 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1561 } 1562 1563 #ifdef __FreeBSD__ 1564 /* 1565 * Stop all chip I/O so that the kernel's probe routines don't 1566 * get confused by errant DMAs when rebooting. 1567 */ 1568 Static void 1569 cue_shutdown(dev) 1570 device_t dev; 1571 { 1572 struct cue_softc *sc; 1573 1574 sc = device_get_softc(dev); 1575 1576 cue_reset(sc); 1577 cue_stop(sc); 1578 } 1579 #endif 1580
Indexes created Fri Sep 26 20:09:58 GMT 2025