1 /* $NetBSD: if_cue.c,v 1.27 2000/12/14 07:51:36 thorpej Exp $ */ 2 /* 3 * Copyright (c) 1997, 1998, 1999, 2000 4 * Bill Paul <wpaul@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@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__) 63 #include "opt_inet.h" 64 #include "opt_ns.h" 65 #include "bpfilter.h" 66 #include "rnd.h" 67 #elif defined(__OpenBSD__) 68 #include "bpfilter.h" 69 #endif /* defined(__OpenBSD__) */ 70 71 #include <sys/param.h> 72 #include <sys/systm.h> 73 #if !defined(__OpenBSD__) 74 #include <sys/callout.h> 75 #endif 76 #include <sys/sockio.h> 77 #include <sys/mbuf.h> 78 #include <sys/malloc.h> 79 #include <sys/kernel.h> 80 #include <sys/socket.h> 81 82 #if defined(__FreeBSD__) 83 84 #include <net/ethernet.h> 85 #include <machine/clock.h> /* for DELAY */ 86 #include <sys/bus.h> 87 88 #elif defined(__NetBSD__) || defined(__OpenBSD__) 89 90 #include <sys/device.h> 91 #if NRND > 0 92 #include <sys/rnd.h> 93 #endif 94 95 #endif 96 97 #include <net/if.h> 98 #if defined(__NetBSD__) || defined(__FreeBSD__) 99 #include <net/if_arp.h> 100 #endif 101 #include <net/if_dl.h> 102 103 #if defined(__NetBSD__) || defined(__OpenBSD__) 104 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 105 #else 106 #define BPF_MTAP(ifp, m) bpf_mtap((ifp), (m)) 107 #endif 108 109 #if defined(__FreeBSD__) || NBPFILTER > 0 110 #include <net/bpf.h> 111 #endif 112 113 #if defined(__NetBSD__) 114 #include <net/if_ether.h> 115 #ifdef INET 116 #include <netinet/in.h> 117 #include <netinet/if_inarp.h> 118 #endif 119 #endif /* defined(__NetBSD__) */ 120 121 #if defined(__OpenBSD__) 122 #ifdef INET 123 #include <netinet/in.h> 124 #include <netinet/in_systm.h> 125 #include <netinet/in_var.h> 126 #include <netinet/ip.h> 127 #include <netinet/if_ether.h> 128 #endif 129 #endif /* defined(__OpenBSD__) */ 130 131 #if defined(__NetBSD__) || defined(__OpenBSD__) 132 #ifdef NS 133 #include <netns/ns.h> 134 #include <netns/ns_if.h> 135 #endif 136 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 137 138 #include <dev/usb/usb.h> 139 #include <dev/usb/usbdi.h> 140 #include <dev/usb/usbdi_util.h> 141 #include <dev/usb/usbdevs.h> 142 143 #ifdef __FreeBSD__ 144 #include <dev/usb/usb_ethersubr.h> 145 #endif 146 147 #include <dev/usb/if_cuereg.h> 148 149 #ifdef CUE_DEBUG 150 #define DPRINTF(x) if (cuedebug) logprintf x 151 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 152 int cuedebug = 0; 153 #else 154 #define DPRINTF(x) 155 #define DPRINTFN(n,x) 156 #endif 157 158 /* 159 * Various supported device vendors/products. 160 */ 161 Static struct cue_type cue_devs[] = { 162 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 163 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 164 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 165 /* Belkin F5U111 adapter covered by NETMATE entry */ 166 { 0, 0 } 167 }; 168 169 USB_DECLARE_DRIVER(cue); 170 171 Static int cue_open_pipes(struct cue_softc *); 172 Static int cue_tx_list_init(struct cue_softc *); 173 Static int cue_rx_list_init(struct cue_softc *); 174 Static int cue_newbuf(struct cue_softc *, struct cue_chain *, struct mbuf *); 175 Static int cue_send(struct cue_softc *, struct mbuf *, int); 176 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 177 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 178 Static void cue_tick(void *); 179 Static void cue_start(struct ifnet *); 180 Static int cue_ioctl(struct ifnet *, u_long, caddr_t); 181 Static void cue_init(void *); 182 Static void cue_stop(struct cue_softc *); 183 Static void cue_watchdog(struct ifnet *); 184 185 Static void cue_setmulti(struct cue_softc *); 186 Static u_int32_t cue_crc(caddr_t); 187 Static void cue_reset(struct cue_softc *); 188 189 Static int cue_csr_read_1(struct cue_softc *, int); 190 Static int cue_csr_write_1(struct cue_softc *, int, int); 191 Static int cue_csr_read_2(struct cue_softc *, int); 192 #if 0 193 Static int cue_csr_write_2(struct cue_softc *, int, int); 194 #endif 195 Static int cue_mem(struct cue_softc *, int, int, void *, int); 196 Static int cue_getmac(struct cue_softc *, void *); 197 198 #ifdef __FreeBSD__ 199 #ifndef lint 200 static const char rcsid[] = 201 "$FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $"; 202 #endif 203 204 Static void cue_rxstart(struct ifnet *); 205 Static void cue_shutdown(device_t); 206 207 Static struct usb_qdat cue_qdat; 208 209 Static device_method_t cue_methods[] = { 210 /* Device interface */ 211 DEVMETHOD(device_probe, cue_match), 212 DEVMETHOD(device_attach, cue_attach), 213 DEVMETHOD(device_detach, cue_detach), 214 DEVMETHOD(device_shutdown, cue_shutdown), 215 216 { 0, 0 } 217 }; 218 219 Static driver_t cue_driver = { 220 "cue", 221 cue_methods, 222 sizeof(struct cue_softc) 223 }; 224 225 Static devclass_t cue_devclass; 226 227 DRIVER_MODULE(if_cue, uhub, cue_driver, cue_devclass, usbd_driver_load, 0); 228 229 #endif /* defined(__FreeBSD__) */ 230 231 #define CUE_DO_REQUEST(dev, req, data) \ 232 usbd_do_request_flags(dev, req, data, USBD_NO_TSLEEP, NULL) 233 234 #define CUE_SETBIT(sc, reg, x) \ 235 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 236 237 #define CUE_CLRBIT(sc, reg, x) \ 238 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 239 240 Static int 241 cue_csr_read_1(struct cue_softc *sc, int reg) 242 { 243 usb_device_request_t req; 244 usbd_status err; 245 u_int8_t val = 0; 246 int s; 247 248 if (sc->cue_dying) 249 return (0); 250 251 req.bmRequestType = UT_READ_VENDOR_DEVICE; 252 req.bRequest = CUE_CMD_READREG; 253 USETW(req.wValue, 0); 254 USETW(req.wIndex, reg); 255 USETW(req.wLength, 1); 256 257 s = splusb(); 258 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 259 splx(s); 260 261 if (err) { 262 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 263 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 264 return (0); 265 } 266 267 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 268 USBDEVNAME(sc->cue_dev), reg, val)); 269 270 return (val); 271 } 272 273 Static int 274 cue_csr_read_2(struct cue_softc *sc, int reg) 275 { 276 usb_device_request_t req; 277 usbd_status err; 278 uWord val; 279 int s; 280 281 if (sc->cue_dying) 282 return (0); 283 284 req.bmRequestType = UT_READ_VENDOR_DEVICE; 285 req.bRequest = CUE_CMD_READREG; 286 USETW(req.wValue, 0); 287 USETW(req.wIndex, reg); 288 USETW(req.wLength, 2); 289 290 s = splusb(); 291 err = CUE_DO_REQUEST(sc->cue_udev, &req, &val); 292 splx(s); 293 294 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 295 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 296 297 if (err) { 298 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 299 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 300 return (0); 301 } 302 303 return (UGETW(val)); 304 } 305 306 Static int 307 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 308 { 309 usb_device_request_t req; 310 usbd_status err; 311 int s; 312 313 if (sc->cue_dying) 314 return (0); 315 316 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 317 USBDEVNAME(sc->cue_dev), reg, val)); 318 319 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 320 req.bRequest = CUE_CMD_WRITEREG; 321 USETW(req.wValue, val); 322 USETW(req.wIndex, reg); 323 USETW(req.wLength, 0); 324 325 s = splusb(); 326 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 327 splx(s); 328 329 if (err) { 330 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 331 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 332 return (-1); 333 } 334 335 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 336 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 337 338 return (0); 339 } 340 341 #if 0 342 Static int 343 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 344 { 345 usb_device_request_t req; 346 usbd_status err; 347 uWord val; 348 int s; 349 350 if (sc->cue_dying) 351 return (0); 352 353 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 354 USBDEVNAME(sc->cue_dev), reg, aval)); 355 356 USETW(val, aval); 357 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 358 req.bRequest = CUE_CMD_WRITEREG; 359 USETW(req.wValue, val); 360 USETW(req.wIndex, reg); 361 USETW(req.wLength, 0); 362 363 s = splusb(); 364 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 365 splx(s); 366 367 if (err) { 368 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 369 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 370 return (-1); 371 } 372 373 return (0); 374 } 375 #endif 376 377 Static int 378 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, 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(struct cue_softc *sc, 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(caddr_t addr) 441 { 442 u_int32_t idx, bit, data, crc; 443 444 /* Compute CRC for the address value. */ 445 crc = 0xFFFFFFFF; /* initial value */ 446 447 for (idx = 0; idx < 6; idx++) { 448 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 449 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 450 } 451 452 return (crc & ((1 << CUE_BITS) - 1)); 453 } 454 455 Static void 456 cue_setmulti(struct cue_softc *sc) 457 { 458 struct ifnet *ifp; 459 #if defined(__FreeBSD__) 460 struct ifmultiaddr *ifma; 461 #elif defined(__NetBSD__) || defined(__OpenBSD__) 462 struct ether_multi *enm; 463 struct ether_multistep step; 464 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 465 u_int32_t h, i; 466 467 ifp = GET_IFP(sc); 468 469 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 470 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 471 472 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 473 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 474 sc->cue_mctab[i] = 0xFF; 475 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 476 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 477 return; 478 } 479 480 /* first, zot all the existing hash bits */ 481 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 482 sc->cue_mctab[i] = 0; 483 484 /* now program new ones */ 485 #if defined(__FreeBSD__) 486 for (ifma = ifp->if_multiaddrs.lh_first; ifma != NULL; 487 ifma = ifma->ifma_link.le_next) { 488 if (ifma->ifma_addr->sa_family != AF_LINK) 489 continue; 490 h = cue_crc(LLADDR((struct sockaddr_dl *)ifma->ifma_addr)); 491 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 492 } 493 #elif defined(__NetBSD__) || defined(__OpenBSD__) 494 #if defined(__NetBSD__) 495 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 496 #else 497 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 498 #endif 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(struct cue_softc *sc) 529 { 530 usb_device_request_t req; 531 usbd_status err; 532 int s; 533 534 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 535 536 if (sc->cue_dying) 537 return; 538 539 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 540 req.bRequest = CUE_CMD_RESET; 541 USETW(req.wValue, 0); 542 USETW(req.wIndex, 0); 543 USETW(req.wLength, 0); 544 545 s = splusb(); 546 err = CUE_DO_REQUEST(sc->cue_udev, &req, NULL); 547 splx(s); 548 549 if (err) 550 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 551 552 /* Wait a little while for the chip to get its brains in order. */ 553 delay(1000); /* XXX */ 554 } 555 556 /* 557 * Probe for a CATC chip. 558 */ 559 USB_MATCH(cue) 560 { 561 USB_MATCH_START(cue, uaa); 562 struct cue_type *t; 563 564 if (uaa->iface != NULL) 565 return (UMATCH_NONE); 566 567 for (t = cue_devs; t->cue_vid != 0; t++) 568 if (uaa->vendor == t->cue_vid && uaa->product == t->cue_did) 569 return (UMATCH_VENDOR_PRODUCT); 570 571 return (UMATCH_NONE); 572 } 573 574 /* 575 * Attach the interface. Allocate softc structures, do ifmedia 576 * setup and ethernet/BPF attach. 577 */ 578 USB_ATTACH(cue) 579 { 580 USB_ATTACH_START(cue, sc, uaa); 581 char devinfo[1024]; 582 int s; 583 u_char eaddr[ETHER_ADDR_LEN]; 584 usbd_device_handle dev = uaa->device; 585 usbd_interface_handle iface; 586 usbd_status err; 587 struct ifnet *ifp; 588 usb_interface_descriptor_t *id; 589 usb_endpoint_descriptor_t *ed; 590 int i; 591 592 #ifdef __FreeBSD__ 593 bzero(sc, sizeof(struct cue_softc)); 594 #endif 595 596 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 597 598 usbd_devinfo(dev, 0, devinfo); 599 USB_ATTACH_SETUP; 600 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfo); 601 602 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 603 if (err) { 604 printf("%s: setting config no failed\n", 605 USBDEVNAME(sc->cue_dev)); 606 USB_ATTACH_ERROR_RETURN; 607 } 608 609 sc->cue_udev = dev; 610 sc->cue_product = uaa->product; 611 sc->cue_vendor = uaa->vendor; 612 613 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 614 if (err) { 615 printf("%s: getting interface handle failed\n", 616 USBDEVNAME(sc->cue_dev)); 617 USB_ATTACH_ERROR_RETURN; 618 } 619 620 sc->cue_iface = iface; 621 id = usbd_get_interface_descriptor(iface); 622 623 /* Find endpoints. */ 624 for (i = 0; i < id->bNumEndpoints; i++) { 625 ed = usbd_interface2endpoint_descriptor(iface, i); 626 if (ed == NULL) { 627 printf("%s: couldn't get ep %d\n", 628 USBDEVNAME(sc->cue_dev), i); 629 USB_ATTACH_ERROR_RETURN; 630 } 631 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 632 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 633 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 634 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 635 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 636 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 637 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 638 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 639 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 640 } 641 } 642 643 #if 0 644 /* Reset the adapter. */ 645 cue_reset(sc); 646 #endif 647 /* 648 * Get station address. 649 */ 650 cue_getmac(sc, &eaddr); 651 652 s = splimp(); 653 654 /* 655 * A CATC chip was detected. Inform the world. 656 */ 657 #if defined(__FreeBSD__) 658 printf("%s: Ethernet address: %6D\n", USBDEVNAME(sc->cue_dev), eaddr, ":"); 659 660 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 661 662 ifp = &sc->arpcom.ac_if; 663 ifp->if_softc = sc; 664 ifp->if_unit = USBDEVNAME(sc->cue_dev); 665 ifp->if_name = "cue"; 666 ifp->if_mtu = ETHERMTU; 667 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 668 ifp->if_ioctl = cue_ioctl; 669 ifp->if_output = ether_output; 670 ifp->if_start = cue_start; 671 ifp->if_watchdog = cue_watchdog; 672 ifp->if_init = cue_init; 673 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 674 675 cue_qdat.ifp = ifp; 676 cue_qdat.if_rxstart = cue_rxstart; 677 678 /* 679 * Call MI attach routines. 680 */ 681 if_attach(ifp); 682 ether_ifattach(ifp); 683 bpfattach(ifp, DLT_EN10MB, sizeof(struct ether_header)); 684 usb_register_netisr(); 685 686 #elif defined(__NetBSD__) || defined(__OpenBSD__) 687 688 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 689 ether_sprintf(eaddr)); 690 691 /* Initialize interface info.*/ 692 ifp = GET_IFP(sc); 693 ifp->if_softc = sc; 694 ifp->if_mtu = ETHERMTU; 695 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 696 ifp->if_ioctl = cue_ioctl; 697 ifp->if_start = cue_start; 698 ifp->if_watchdog = cue_watchdog; 699 #if defined(__OpenBSD__) 700 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 701 #endif 702 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 703 704 IFQ_SET_READY(&ifp->if_snd); 705 706 /* Attach the interface. */ 707 if_attach(ifp); 708 Ether_ifattach(ifp, eaddr); 709 #if NRND > 0 710 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 711 RND_TYPE_NET, 0); 712 #endif 713 714 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 715 716 usb_callout_init(sc->cue_stat_ch); 717 718 sc->cue_attached = 1; 719 splx(s); 720 721 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 722 USBDEV(sc->cue_dev)); 723 724 USB_ATTACH_SUCCESS_RETURN; 725 } 726 727 USB_DETACH(cue) 728 { 729 USB_DETACH_START(cue, sc); 730 struct ifnet *ifp = GET_IFP(sc); 731 int s; 732 733 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 734 735 s = splusb(); 736 737 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 738 739 if (!sc->cue_attached) { 740 /* Detached before attached finished, so just bail out. */ 741 splx(s); 742 return (0); 743 } 744 745 if (ifp->if_flags & IFF_RUNNING) 746 cue_stop(sc); 747 748 #if defined(__NetBSD__) 749 #if NRND > 0 750 rnd_detach_source(&sc->rnd_source); 751 #endif 752 ether_ifdetach(ifp); 753 #endif /* __NetBSD__ */ 754 755 if_detach(ifp); 756 757 #ifdef DIAGNOSTIC 758 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 759 sc->cue_ep[CUE_ENDPT_RX] != NULL || 760 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 761 printf("%s: detach has active endpoints\n", 762 USBDEVNAME(sc->cue_dev)); 763 #endif 764 765 sc->cue_attached = 0; 766 splx(s); 767 768 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 769 USBDEV(sc->cue_dev)); 770 771 return (0); 772 } 773 774 #if defined(__NetBSD__) || defined(__OpenBSD__) 775 int 776 cue_activate(device_ptr_t self, enum devact act) 777 { 778 struct cue_softc *sc = (struct cue_softc *)self; 779 780 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 781 782 switch (act) { 783 case DVACT_ACTIVATE: 784 return (EOPNOTSUPP); 785 break; 786 787 case DVACT_DEACTIVATE: 788 /* Deactivate the interface. */ 789 if_deactivate(&sc->cue_ec.ec_if); 790 sc->cue_dying = 1; 791 break; 792 } 793 return (0); 794 } 795 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 796 797 /* 798 * Initialize an RX descriptor and attach an MBUF cluster. 799 */ 800 Static int 801 cue_newbuf(struct cue_softc *sc, struct cue_chain *c, struct mbuf *m) 802 { 803 struct mbuf *m_new = NULL; 804 805 if (m == NULL) { 806 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 807 if (m_new == NULL) { 808 printf("%s: no memory for rx list " 809 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 810 return (ENOBUFS); 811 } 812 813 MCLGET(m_new, M_DONTWAIT); 814 if (!(m_new->m_flags & M_EXT)) { 815 printf("%s: no memory for rx list " 816 "-- packet dropped!\n", USBDEVNAME(sc->cue_dev)); 817 m_freem(m_new); 818 return (ENOBUFS); 819 } 820 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 821 } else { 822 m_new = m; 823 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 824 m_new->m_data = m_new->m_ext.ext_buf; 825 } 826 827 m_adj(m_new, ETHER_ALIGN); 828 c->cue_mbuf = m_new; 829 830 return (0); 831 } 832 833 Static int 834 cue_rx_list_init(struct cue_softc *sc) 835 { 836 struct cue_cdata *cd; 837 struct cue_chain *c; 838 int i; 839 840 cd = &sc->cue_cdata; 841 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 842 c = &cd->cue_rx_chain[i]; 843 c->cue_sc = sc; 844 c->cue_idx = i; 845 if (cue_newbuf(sc, c, NULL) == ENOBUFS) 846 return (ENOBUFS); 847 if (c->cue_xfer == NULL) { 848 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 849 if (c->cue_xfer == NULL) 850 return (ENOBUFS); 851 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 852 if (c->cue_buf == NULL) { 853 usbd_free_xfer(c->cue_xfer); 854 return (ENOBUFS); 855 } 856 } 857 } 858 859 return (0); 860 } 861 862 Static int 863 cue_tx_list_init(struct cue_softc *sc) 864 { 865 struct cue_cdata *cd; 866 struct cue_chain *c; 867 int i; 868 869 cd = &sc->cue_cdata; 870 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 871 c = &cd->cue_tx_chain[i]; 872 c->cue_sc = sc; 873 c->cue_idx = i; 874 c->cue_mbuf = NULL; 875 if (c->cue_xfer == NULL) { 876 c->cue_xfer = usbd_alloc_xfer(sc->cue_udev); 877 if (c->cue_xfer == NULL) 878 return (ENOBUFS); 879 c->cue_buf = usbd_alloc_buffer(c->cue_xfer, CUE_BUFSZ); 880 if (c->cue_buf == NULL) { 881 usbd_free_xfer(c->cue_xfer); 882 return (ENOBUFS); 883 } 884 } 885 } 886 887 return (0); 888 } 889 890 #ifdef __FreeBSD__ 891 Static void 892 cue_rxstart(struct ifnet *ifp) 893 { 894 struct cue_softc *sc; 895 struct cue_chain *c; 896 897 sc = ifp->if_softc; 898 c = &sc->cue_cdata.cue_rx_chain[sc->cue_cdata.cue_rx_prod]; 899 900 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 901 ifp->if_ierrors++; 902 return; 903 } 904 905 /* Setup new transfer. */ 906 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 907 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 908 USBD_NO_TIMEOUT, cue_rxeof); 909 usbd_transfer(c->cue_xfer); 910 } 911 #endif 912 913 /* 914 * A frame has been uploaded: pass the resulting mbuf chain up to 915 * the higher level protocols. 916 */ 917 Static void 918 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 919 { 920 struct cue_chain *c = priv; 921 struct cue_softc *sc = c->cue_sc; 922 struct ifnet *ifp = GET_IFP(sc); 923 struct mbuf *m; 924 int total_len = 0; 925 u_int16_t len; 926 #if defined(__NetBSD__) || defined(__OpenBSD__) 927 int s; 928 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 929 930 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 931 __FUNCTION__, status)); 932 933 if (sc->cue_dying) 934 return; 935 936 if (!(ifp->if_flags & IFF_RUNNING)) 937 return; 938 939 if (status != USBD_NORMAL_COMPLETION) { 940 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 941 return; 942 sc->cue_rx_errs++; 943 if (usbd_ratecheck(&sc->cue_rx_notice)) { 944 printf("%s: %u usb errors on rx: %s\n", 945 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 946 usbd_errstr(status)); 947 sc->cue_rx_errs = 0; 948 } 949 if (status == USBD_STALLED) 950 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_RX]); 951 goto done; 952 } 953 954 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 955 956 memcpy(mtod(c->cue_mbuf, char *), c->cue_buf, total_len); 957 958 m = c->cue_mbuf; 959 len = UGETW(mtod(m, u_int8_t *)); 960 961 /* No errors; receive the packet. */ 962 total_len = len; 963 964 if (len < sizeof(struct ether_header)) { 965 ifp->if_ierrors++; 966 goto done; 967 } 968 969 ifp->if_ipackets++; 970 m_adj(m, sizeof(u_int16_t)); 971 m->m_pkthdr.len = m->m_len = total_len; 972 973 #if defined(__FreeBSD__) 974 m->m_pkthdr.rcvif = (struct ifnet *)&cue_qdat; 975 /* Put the packet on the special USB input queue. */ 976 usb_ether_input(m); 977 978 return; 979 #elif defined(__NetBSD__) || defined(__OpenBSD__) 980 m->m_pkthdr.rcvif = ifp; 981 982 s = splimp(); 983 984 /* XXX ugly */ 985 if (cue_newbuf(sc, c, NULL) == ENOBUFS) { 986 ifp->if_ierrors++; 987 goto done1; 988 } 989 990 #if NBPFILTER > 0 991 /* 992 * Handle BPF listeners. Let the BPF user see the packet, but 993 * don't pass it up to the ether_input() layer unless it's 994 * a broadcast packet, multicast packet, matches our ethernet 995 * address or the interface is in promiscuous mode. 996 */ 997 if (ifp->if_bpf) 998 BPF_MTAP(ifp, m); 999 #endif 1000 1001 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 1002 __FUNCTION__, m->m_len)); 1003 IF_INPUT(ifp, m); 1004 done1: 1005 splx(s); 1006 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1007 1008 done: 1009 /* Setup new transfer. */ 1010 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1011 c, c->cue_buf, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 1012 USBD_NO_TIMEOUT, cue_rxeof); 1013 usbd_transfer(c->cue_xfer); 1014 1015 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 1016 __FUNCTION__)); 1017 } 1018 1019 /* 1020 * A frame was downloaded to the chip. It's safe for us to clean up 1021 * the list buffers. 1022 */ 1023 Static void 1024 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1025 { 1026 struct cue_chain *c = priv; 1027 struct cue_softc *sc = c->cue_sc; 1028 struct ifnet *ifp = GET_IFP(sc); 1029 int s; 1030 1031 if (sc->cue_dying) 1032 return; 1033 1034 s = splimp(); 1035 1036 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 1037 __FUNCTION__, status)); 1038 1039 ifp->if_timer = 0; 1040 ifp->if_flags &= ~IFF_OACTIVE; 1041 1042 if (status != USBD_NORMAL_COMPLETION) { 1043 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1044 splx(s); 1045 return; 1046 } 1047 ifp->if_oerrors++; 1048 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 1049 usbd_errstr(status)); 1050 if (status == USBD_STALLED) 1051 usbd_clear_endpoint_stall(sc->cue_ep[CUE_ENDPT_TX]); 1052 splx(s); 1053 return; 1054 } 1055 1056 ifp->if_opackets++; 1057 1058 #if defined(__FreeBSD__) 1059 c->cue_mbuf->m_pkthdr.rcvif = ifp; 1060 usb_tx_done(c->cue_mbuf); 1061 c->cue_mbuf = NULL; 1062 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1063 m_freem(c->cue_mbuf); 1064 c->cue_mbuf = NULL; 1065 1066 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1067 cue_start(ifp); 1068 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1069 1070 splx(s); 1071 } 1072 1073 Static void 1074 cue_tick(void *xsc) 1075 { 1076 struct cue_softc *sc = xsc; 1077 struct ifnet *ifp; 1078 int s; 1079 1080 if (sc == NULL) 1081 return; 1082 1083 if (sc->cue_dying) 1084 return; 1085 1086 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __FUNCTION__)); 1087 1088 s = splimp(); 1089 1090 ifp = GET_IFP(sc); 1091 1092 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 1093 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 1094 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 1095 1096 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 1097 ifp->if_ierrors++; 1098 1099 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1100 1101 splx(s); 1102 } 1103 1104 Static int 1105 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 1106 { 1107 int total_len; 1108 struct cue_chain *c; 1109 usbd_status err; 1110 1111 c = &sc->cue_cdata.cue_tx_chain[idx]; 1112 1113 /* 1114 * Copy the mbuf data into a contiguous buffer, leaving two 1115 * bytes at the beginning to hold the frame length. 1116 */ 1117 m_copydata(m, 0, m->m_pkthdr.len, c->cue_buf + 2); 1118 c->cue_mbuf = m; 1119 1120 total_len = m->m_pkthdr.len + 2; 1121 1122 DPRINTFN(10,("%s: %s: total_len=%d\n", 1123 USBDEVNAME(sc->cue_dev), __FUNCTION__, total_len)); 1124 1125 /* The first two bytes are the frame length */ 1126 c->cue_buf[0] = (u_int8_t)m->m_pkthdr.len; 1127 c->cue_buf[1] = (u_int8_t)(m->m_pkthdr.len >> 8); 1128 1129 /* XXX 10000 */ 1130 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_TX], 1131 c, c->cue_buf, total_len, USBD_NO_COPY, 10000, cue_txeof); 1132 1133 /* Transmit */ 1134 err = usbd_transfer(c->cue_xfer); 1135 if (err != USBD_IN_PROGRESS) { 1136 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 1137 usbd_errstr(err)); 1138 cue_stop(sc); 1139 return (EIO); 1140 } 1141 1142 sc->cue_cdata.cue_tx_cnt++; 1143 1144 return (0); 1145 } 1146 1147 Static void 1148 cue_start(struct ifnet *ifp) 1149 { 1150 struct cue_softc *sc = ifp->if_softc; 1151 struct mbuf *m_head = NULL; 1152 1153 if (sc->cue_dying) 1154 return; 1155 1156 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1157 1158 if (ifp->if_flags & IFF_OACTIVE) 1159 return; 1160 1161 IFQ_POLL(&ifp->if_snd, m_head); 1162 if (m_head == NULL) 1163 return; 1164 1165 if (cue_send(sc, m_head, 0)) { 1166 ifp->if_flags |= IFF_OACTIVE; 1167 return; 1168 } 1169 1170 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1171 1172 #if NBPFILTER > 0 1173 /* 1174 * If there's a BPF listener, bounce a copy of this frame 1175 * to him. 1176 */ 1177 if (ifp->if_bpf) 1178 BPF_MTAP(ifp, m_head); 1179 #endif 1180 1181 ifp->if_flags |= IFF_OACTIVE; 1182 1183 /* 1184 * Set a timeout in case the chip goes out to lunch. 1185 */ 1186 ifp->if_timer = 5; 1187 } 1188 1189 Static void 1190 cue_init(void *xsc) 1191 { 1192 struct cue_softc *sc = xsc; 1193 struct ifnet *ifp = GET_IFP(sc); 1194 int i, s, ctl; 1195 u_char *eaddr; 1196 1197 if (sc->cue_dying) 1198 return; 1199 1200 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1201 1202 if (ifp->if_flags & IFF_RUNNING) 1203 return; 1204 1205 s = splimp(); 1206 1207 /* 1208 * Cancel pending I/O and free all RX/TX buffers. 1209 */ 1210 #if 1 1211 cue_reset(sc); 1212 #endif 1213 1214 /* Set advanced operation modes. */ 1215 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1216 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 1217 1218 #if defined(__FreeBSD__) || defined(__OpenBSD__) 1219 eaddr = sc->arpcom.ac_enaddr; 1220 #elif defined(__NetBSD__) 1221 eaddr = LLADDR(ifp->if_sadl); 1222 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1223 /* Set MAC address */ 1224 for (i = 0; i < ETHER_ADDR_LEN; i++) 1225 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 1226 1227 /* Enable RX logic. */ 1228 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1229 if (ifp->if_flags & IFF_PROMISC) 1230 ctl |= CUE_ETHCTL_PROMISC; 1231 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1232 1233 /* Init TX ring. */ 1234 if (cue_tx_list_init(sc) == ENOBUFS) { 1235 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1236 splx(s); 1237 return; 1238 } 1239 1240 /* Init RX ring. */ 1241 if (cue_rx_list_init(sc) == ENOBUFS) { 1242 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1243 splx(s); 1244 return; 1245 } 1246 1247 /* Load the multicast filter. */ 1248 cue_setmulti(sc); 1249 1250 /* 1251 * Set the number of RX and TX buffers that we want 1252 * to reserve inside the ASIC. 1253 */ 1254 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1255 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1256 1257 /* Set advanced operation modes. */ 1258 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1259 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1260 1261 /* Program the LED operation. */ 1262 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1263 1264 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1265 if (cue_open_pipes(sc)) { 1266 splx(s); 1267 return; 1268 } 1269 } 1270 1271 ifp->if_flags |= IFF_RUNNING; 1272 ifp->if_flags &= ~IFF_OACTIVE; 1273 1274 splx(s); 1275 1276 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1277 } 1278 1279 Static int 1280 cue_open_pipes(struct cue_softc *sc) 1281 { 1282 struct cue_chain *c; 1283 usbd_status err; 1284 int i; 1285 1286 /* Open RX and TX pipes. */ 1287 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1288 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1289 if (err) { 1290 printf("%s: open rx pipe failed: %s\n", 1291 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1292 return (EIO); 1293 } 1294 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1295 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1296 if (err) { 1297 printf("%s: open tx pipe failed: %s\n", 1298 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1299 return (EIO); 1300 } 1301 1302 /* Start up the receive pipe. */ 1303 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1304 c = &sc->cue_cdata.cue_rx_chain[i]; 1305 usbd_setup_xfer(c->cue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1306 c, c->cue_buf, CUE_BUFSZ, 1307 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1308 cue_rxeof); 1309 usbd_transfer(c->cue_xfer); 1310 } 1311 1312 return (0); 1313 } 1314 1315 Static int 1316 cue_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1317 { 1318 struct cue_softc *sc = ifp->if_softc; 1319 #if defined(__NetBSD__) || defined(__OpenBSD__) 1320 struct ifaddr *ifa = (struct ifaddr *)data; 1321 struct ifreq *ifr = (struct ifreq *)data; 1322 #endif 1323 int s, error = 0; 1324 1325 if (sc->cue_dying) 1326 return (EIO); 1327 1328 s = splimp(); 1329 1330 switch(command) { 1331 #if defined(__FreeBSD__) 1332 case SIOCSIFADDR: 1333 case SIOCGIFADDR: 1334 case SIOCSIFMTU: 1335 error = ether_ioctl(ifp, command, data); 1336 break; 1337 #elif defined(__NetBSD__) || defined(__OpenBSD__) 1338 case SIOCSIFADDR: 1339 ifp->if_flags |= IFF_UP; 1340 cue_init(sc); 1341 1342 switch (ifa->ifa_addr->sa_family) { 1343 #ifdef INET 1344 case AF_INET: 1345 #if defined(__NetBSD__) 1346 arp_ifinit(ifp, ifa); 1347 #else 1348 arp_ifinit(&sc->arpcom, ifa); 1349 #endif 1350 break; 1351 #endif /* INET */ 1352 #ifdef NS 1353 case AF_NS: 1354 { 1355 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1356 1357 if (ns_nullhost(*ina)) 1358 ina->x_host = *(union ns_host *) 1359 LLADDR(ifp->if_sadl); 1360 else 1361 memcpy(LLADDR(ifp->if_sadl), 1362 ina->x_host.c_host, 1363 ifp->if_addrlen); 1364 break; 1365 } 1366 #endif /* NS */ 1367 } 1368 break; 1369 1370 case SIOCSIFMTU: 1371 if (ifr->ifr_mtu > ETHERMTU) 1372 error = EINVAL; 1373 else 1374 ifp->if_mtu = ifr->ifr_mtu; 1375 break; 1376 1377 #endif /* defined(__NetBSD__) || defined(__OpenBSD__) */ 1378 1379 case SIOCSIFFLAGS: 1380 if (ifp->if_flags & IFF_UP) { 1381 if (ifp->if_flags & IFF_RUNNING && 1382 ifp->if_flags & IFF_PROMISC && 1383 !(sc->cue_if_flags & IFF_PROMISC)) { 1384 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1385 cue_setmulti(sc); 1386 } else if (ifp->if_flags & IFF_RUNNING && 1387 !(ifp->if_flags & IFF_PROMISC) && 1388 sc->cue_if_flags & IFF_PROMISC) { 1389 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1390 cue_setmulti(sc); 1391 } else if (!(ifp->if_flags & IFF_RUNNING)) 1392 cue_init(sc); 1393 } else { 1394 if (ifp->if_flags & IFF_RUNNING) 1395 cue_stop(sc); 1396 } 1397 sc->cue_if_flags = ifp->if_flags; 1398 error = 0; 1399 break; 1400 case SIOCADDMULTI: 1401 case SIOCDELMULTI: 1402 cue_setmulti(sc); 1403 error = 0; 1404 break; 1405 default: 1406 error = EINVAL; 1407 break; 1408 } 1409 1410 splx(s); 1411 1412 return (error); 1413 } 1414 1415 Static void 1416 cue_watchdog(struct ifnet *ifp) 1417 { 1418 struct cue_softc *sc = ifp->if_softc; 1419 1420 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1421 1422 if (sc->cue_dying) 1423 return; 1424 1425 ifp->if_oerrors++; 1426 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1427 1428 /* 1429 * The polling business is a kludge to avoid allowing the 1430 * USB code to call tsleep() in usbd_delay_ms(), which will 1431 * kill us since the watchdog routine is invoked from 1432 * interrupt context. 1433 */ 1434 usbd_set_polling(sc->cue_udev, 1); 1435 cue_stop(sc); 1436 cue_init(sc); 1437 usbd_set_polling(sc->cue_udev, 0); 1438 1439 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1440 cue_start(ifp); 1441 } 1442 1443 /* 1444 * Stop the adapter and free any mbufs allocated to the 1445 * RX and TX lists. 1446 */ 1447 Static void 1448 cue_stop(struct cue_softc *sc) 1449 { 1450 usbd_status err; 1451 struct ifnet *ifp; 1452 int i; 1453 1454 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__FUNCTION__)); 1455 1456 ifp = GET_IFP(sc); 1457 ifp->if_timer = 0; 1458 1459 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1460 cue_reset(sc); 1461 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1462 1463 /* Stop transfers. */ 1464 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1465 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1466 if (err) { 1467 printf("%s: abort rx pipe failed: %s\n", 1468 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1469 } 1470 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1471 if (err) { 1472 printf("%s: close rx pipe failed: %s\n", 1473 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1474 } 1475 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1476 } 1477 1478 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1479 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1480 if (err) { 1481 printf("%s: abort tx pipe failed: %s\n", 1482 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1483 } 1484 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1485 if (err) { 1486 printf("%s: close tx pipe failed: %s\n", 1487 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1488 } 1489 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1490 } 1491 1492 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1493 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1494 if (err) { 1495 printf("%s: abort intr pipe failed: %s\n", 1496 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1497 } 1498 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1499 if (err) { 1500 printf("%s: close intr pipe failed: %s\n", 1501 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1502 } 1503 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1504 } 1505 1506 /* Free RX resources. */ 1507 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1508 if (sc->cue_cdata.cue_rx_chain[i].cue_mbuf != NULL) { 1509 m_freem(sc->cue_cdata.cue_rx_chain[i].cue_mbuf); 1510 sc->cue_cdata.cue_rx_chain[i].cue_mbuf = NULL; 1511 } 1512 if (sc->cue_cdata.cue_rx_chain[i].cue_xfer != NULL) { 1513 usbd_free_xfer(sc->cue_cdata.cue_rx_chain[i].cue_xfer); 1514 sc->cue_cdata.cue_rx_chain[i].cue_xfer = NULL; 1515 } 1516 } 1517 1518 /* Free TX resources. */ 1519 for (i = 0; i < CUE_TX_LIST_CNT; i++) { 1520 if (sc->cue_cdata.cue_tx_chain[i].cue_mbuf != NULL) { 1521 m_freem(sc->cue_cdata.cue_tx_chain[i].cue_mbuf); 1522 sc->cue_cdata.cue_tx_chain[i].cue_mbuf = NULL; 1523 } 1524 if (sc->cue_cdata.cue_tx_chain[i].cue_xfer != NULL) { 1525 usbd_free_xfer(sc->cue_cdata.cue_tx_chain[i].cue_xfer); 1526 sc->cue_cdata.cue_tx_chain[i].cue_xfer = NULL; 1527 } 1528 } 1529 1530 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1531 } 1532 1533 #ifdef __FreeBSD__ 1534 /* 1535 * Stop all chip I/O so that the kernel's probe routines don't 1536 * get confused by errant DMAs when rebooting. 1537 */ 1538 Static void 1539 cue_shutdown(device_t dev) 1540 { 1541 struct cue_softc *sc; 1542 1543 sc = device_get_softc(dev); 1544 1545 cue_reset(sc); 1546 cue_stop(sc); 1547 } 1548 #endif 1549