if_cue.c revision 1.48.10.4
1 /* $NetBSD: if_cue.c,v 1.48.10.4 2007/06/18 13:41:26 itohy Exp $ */ 2 /* 3 * Copyright (c) 1997, 1998, 1999, 2000 4 * Bill Paul <wpaul (at) ee.columbia.edu>. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Bill Paul. 17 * 4. Neither the name of the author nor the names of any co-contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 31 * THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD: src/sys/dev/usb/if_cue.c,v 1.4 2000/01/16 22:45:06 wpaul Exp $ 34 */ 35 36 /* 37 * CATC USB-EL1210A USB to ethernet driver. Used in the CATC Netmate 38 * adapters and others. 39 * 40 * Written by Bill Paul <wpaul (at) ee.columbia.edu> 41 * Electrical Engineering Department 42 * Columbia University, New York City 43 */ 44 45 /* 46 * The CATC USB-EL1210A provides USB ethernet support at 10Mbps. The 47 * RX filter uses a 512-bit multicast hash table, single perfect entry 48 * for the station address, and promiscuous mode. Unlike the ADMtek 49 * and KLSI chips, the CATC ASIC supports read and write combining 50 * mode where multiple packets can be transfered using a single bulk 51 * transaction, which helps performance a great deal. 52 */ 53 54 /* 55 * Ported to NetBSD and somewhat rewritten by Lennart Augustsson. 56 */ 57 58 #include <sys/cdefs.h> 59 __KERNEL_RCSID(0, "$NetBSD: if_cue.c,v 1.48.10.4 2007/06/18 13:41:26 itohy Exp $"); 60 61 #if defined(__NetBSD__) 62 #include "opt_inet.h" 63 #include "bpfilter.h" 64 #include "rnd.h" 65 #elif defined(__OpenBSD__) 66 #include "bpfilter.h" 67 #endif /* defined(__OpenBSD__) */ 68 69 #include <sys/param.h> 70 #include <sys/systm.h> 71 #if !defined(__OpenBSD__) 72 #include <sys/callout.h> 73 #endif 74 #include <sys/sockio.h> 75 #include <sys/mbuf.h> 76 #include <sys/malloc.h> 77 #include <sys/kernel.h> 78 #include <sys/socket.h> 79 80 #include <sys/device.h> 81 #if NRND > 0 82 #include <sys/rnd.h> 83 #endif 84 85 #include <net/if.h> 86 #if defined(__NetBSD__) 87 #include <net/if_arp.h> 88 #endif 89 #include <net/if_dl.h> 90 91 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 92 93 #if NBPFILTER > 0 94 #include <net/bpf.h> 95 #endif 96 97 #if defined(__NetBSD__) 98 #include <net/if_ether.h> 99 #ifdef INET 100 #include <netinet/in.h> 101 #include <netinet/if_inarp.h> 102 #endif 103 #endif /* defined(__NetBSD__) */ 104 105 #if defined(__OpenBSD__) 106 #ifdef INET 107 #include <netinet/in.h> 108 #include <netinet/in_systm.h> 109 #include <netinet/in_var.h> 110 #include <netinet/ip.h> 111 #include <netinet/if_ether.h> 112 #endif 113 #endif /* defined(__OpenBSD__) */ 114 115 116 #include <dev/usb/usb.h> 117 #include <dev/usb/usbdi.h> 118 #include <dev/usb/usbdi_util.h> 119 #include <dev/usb/usbdevs.h> 120 #include <dev/usb/usb_ethersubr.h> 121 122 #include <dev/usb/if_cuereg.h> 123 124 #ifdef CUE_DEBUG 125 #define DPRINTF(x) if (cuedebug) logprintf x 126 #define DPRINTFN(n,x) if (cuedebug >= (n)) logprintf x 127 int cuedebug = 0; 128 #else 129 #define DPRINTF(x) 130 #define DPRINTFN(n,x) 131 #endif 132 133 /* 134 * Various supported device vendors/products. 135 */ 136 Static struct usb_devno cue_devs[] = { 137 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE }, 138 { USB_VENDOR_CATC, USB_PRODUCT_CATC_NETMATE2 }, 139 { USB_VENDOR_SMARTBRIDGES, USB_PRODUCT_SMARTBRIDGES_SMARTLINK }, 140 /* Belkin F5U111 adapter covered by NETMATE entry */ 141 }; 142 #define cue_lookup(v, p) (usb_lookup(cue_devs, v, p)) 143 144 USB_DECLARE_DRIVER(cue); 145 146 Static int cue_open_pipes(struct cue_softc *); 147 Static int cue_send(struct cue_softc *, struct mbuf *, int); 148 Static void cue_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 149 Static void cue_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 150 Static void cue_tick(void *); 151 Static void cue_tick_task(void *); 152 Static void cue_start(struct ifnet *); 153 Static int cue_ioctl(struct ifnet *, u_long, usb_ioctlarg_t); 154 Static int cue_init(struct ifnet *); 155 Static void cue_stop(struct ifnet *, int); 156 Static void cue_watchdog(struct ifnet *); 157 158 Static void cue_setmulti(struct cue_softc *); 159 Static u_int32_t cue_crc(const char *); 160 Static void cue_reset(struct cue_softc *); 161 162 Static int cue_csr_read_1(struct cue_softc *, int); 163 Static int cue_csr_write_1(struct cue_softc *, int, int); 164 Static int cue_csr_read_2(struct cue_softc *, int); 165 #if 0 166 Static int cue_csr_write_2(struct cue_softc *, int, int); 167 #endif 168 Static int cue_mem(struct cue_softc *, int, int, void *, int); 169 Static int cue_getmac(struct cue_softc *, void *); 170 171 #define CUE_SETBIT(sc, reg, x) \ 172 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) | (x)) 173 174 #define CUE_CLRBIT(sc, reg, x) \ 175 cue_csr_write_1(sc, reg, cue_csr_read_1(sc, reg) & ~(x)) 176 177 Static int 178 cue_csr_read_1(struct cue_softc *sc, int reg) 179 { 180 usb_device_request_t req; 181 usbd_status err; 182 u_int8_t val = 0; 183 184 if (sc->cue_dying) 185 return (0); 186 187 req.bmRequestType = UT_READ_VENDOR_DEVICE; 188 req.bRequest = CUE_CMD_READREG; 189 USETW(req.wValue, 0); 190 USETW(req.wIndex, reg); 191 USETW(req.wLength, 1); 192 193 err = usbd_do_request(sc->cue_udev, &req, &val); 194 195 if (err) { 196 DPRINTF(("%s: cue_csr_read_1: reg=0x%x err=%s\n", 197 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 198 return (0); 199 } 200 201 DPRINTFN(10,("%s: cue_csr_read_1 reg=0x%x val=0x%x\n", 202 USBDEVNAME(sc->cue_dev), reg, val)); 203 204 return (val); 205 } 206 207 Static int 208 cue_csr_read_2(struct cue_softc *sc, int reg) 209 { 210 usb_device_request_t req; 211 usbd_status err; 212 uWord val; 213 214 if (sc->cue_dying) 215 return (0); 216 217 req.bmRequestType = UT_READ_VENDOR_DEVICE; 218 req.bRequest = CUE_CMD_READREG; 219 USETW(req.wValue, 0); 220 USETW(req.wIndex, reg); 221 USETW(req.wLength, 2); 222 223 err = usbd_do_request(sc->cue_udev, &req, &val); 224 225 DPRINTFN(10,("%s: cue_csr_read_2 reg=0x%x val=0x%x\n", 226 USBDEVNAME(sc->cue_dev), reg, UGETW(val))); 227 228 if (err) { 229 DPRINTF(("%s: cue_csr_read_2: reg=0x%x err=%s\n", 230 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 231 return (0); 232 } 233 234 return (UGETW(val)); 235 } 236 237 Static int 238 cue_csr_write_1(struct cue_softc *sc, int reg, int val) 239 { 240 usb_device_request_t req; 241 usbd_status err; 242 243 if (sc->cue_dying) 244 return (0); 245 246 DPRINTFN(10,("%s: cue_csr_write_1 reg=0x%x val=0x%x\n", 247 USBDEVNAME(sc->cue_dev), reg, val)); 248 249 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 250 req.bRequest = CUE_CMD_WRITEREG; 251 USETW(req.wValue, val); 252 USETW(req.wIndex, reg); 253 USETW(req.wLength, 0); 254 255 err = usbd_do_request(sc->cue_udev, &req, NULL); 256 257 if (err) { 258 DPRINTF(("%s: cue_csr_write_1: reg=0x%x err=%s\n", 259 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 260 return (-1); 261 } 262 263 DPRINTFN(20,("%s: cue_csr_write_1, after reg=0x%x val=0x%x\n", 264 USBDEVNAME(sc->cue_dev), reg, cue_csr_read_1(sc, reg))); 265 266 return (0); 267 } 268 269 #if 0 270 Static int 271 cue_csr_write_2(struct cue_softc *sc, int reg, int aval) 272 { 273 usb_device_request_t req; 274 usbd_status err; 275 uWord val; 276 int s; 277 278 if (sc->cue_dying) 279 return (0); 280 281 DPRINTFN(10,("%s: cue_csr_write_2 reg=0x%x val=0x%x\n", 282 USBDEVNAME(sc->cue_dev), reg, aval)); 283 284 USETW(val, aval); 285 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 286 req.bRequest = CUE_CMD_WRITEREG; 287 USETW(req.wValue, val); 288 USETW(req.wIndex, reg); 289 USETW(req.wLength, 0); 290 291 err = usbd_do_request(sc->cue_udev, &req, NULL); 292 293 if (err) { 294 DPRINTF(("%s: cue_csr_write_2: reg=0x%x err=%s\n", 295 USBDEVNAME(sc->cue_dev), reg, usbd_errstr(err))); 296 return (-1); 297 } 298 299 return (0); 300 } 301 #endif 302 303 Static int 304 cue_mem(struct cue_softc *sc, int cmd, int addr, void *buf, int len) 305 { 306 usb_device_request_t req; 307 usbd_status err; 308 309 DPRINTFN(10,("%s: cue_mem cmd=0x%x addr=0x%x len=%d\n", 310 USBDEVNAME(sc->cue_dev), cmd, addr, len)); 311 312 if (cmd == CUE_CMD_READSRAM) 313 req.bmRequestType = UT_READ_VENDOR_DEVICE; 314 else 315 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 316 req.bRequest = cmd; 317 USETW(req.wValue, 0); 318 USETW(req.wIndex, addr); 319 USETW(req.wLength, len); 320 321 err = usbd_do_request(sc->cue_udev, &req, buf); 322 323 if (err) { 324 DPRINTF(("%s: cue_csr_mem: addr=0x%x err=%s\n", 325 USBDEVNAME(sc->cue_dev), addr, usbd_errstr(err))); 326 return (-1); 327 } 328 329 return (0); 330 } 331 332 Static int 333 cue_getmac(struct cue_softc *sc, void *buf) 334 { 335 usb_device_request_t req; 336 usbd_status err; 337 338 DPRINTFN(10,("%s: cue_getmac\n", USBDEVNAME(sc->cue_dev))); 339 340 req.bmRequestType = UT_READ_VENDOR_DEVICE; 341 req.bRequest = CUE_CMD_GET_MACADDR; 342 USETW(req.wValue, 0); 343 USETW(req.wIndex, 0); 344 USETW(req.wLength, ETHER_ADDR_LEN); 345 346 err = usbd_do_request(sc->cue_udev, &req, buf); 347 348 if (err) { 349 printf("%s: read MAC address failed\n",USBDEVNAME(sc->cue_dev)); 350 return (-1); 351 } 352 353 return (0); 354 } 355 356 #define CUE_POLY 0xEDB88320 357 #define CUE_BITS 9 358 359 Static u_int32_t 360 cue_crc(const char *addr) 361 { 362 u_int32_t idx, bit, data, crc; 363 364 /* Compute CRC for the address value. */ 365 crc = 0xFFFFFFFF; /* initial value */ 366 367 for (idx = 0; idx < 6; idx++) { 368 for (data = *addr++, bit = 0; bit < 8; bit++, data >>= 1) 369 crc = (crc >> 1) ^ (((crc ^ data) & 1) ? CUE_POLY : 0); 370 } 371 372 return (crc & ((1 << CUE_BITS) - 1)); 373 } 374 375 Static void 376 cue_setmulti(struct cue_softc *sc) 377 { 378 struct ifnet *ifp; 379 struct ether_multi *enm; 380 struct ether_multistep step; 381 u_int32_t h, i; 382 383 ifp = GET_IFP(sc); 384 385 DPRINTFN(2,("%s: cue_setmulti if_flags=0x%x\n", 386 USBDEVNAME(sc->cue_dev), ifp->if_flags)); 387 388 if (ifp->if_flags & IFF_PROMISC) { 389 allmulti: 390 ifp->if_flags |= IFF_ALLMULTI; 391 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 392 sc->cue_mctab[i] = 0xFF; 393 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 394 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 395 return; 396 } 397 398 /* first, zot all the existing hash bits */ 399 for (i = 0; i < CUE_MCAST_TABLE_LEN; i++) 400 sc->cue_mctab[i] = 0; 401 402 /* now program new ones */ 403 #if defined(__NetBSD__) 404 ETHER_FIRST_MULTI(step, &sc->cue_ec, enm); 405 #else 406 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 407 #endif 408 while (enm != NULL) { 409 if (memcmp(enm->enm_addrlo, 410 enm->enm_addrhi, ETHER_ADDR_LEN) != 0) 411 goto allmulti; 412 413 h = cue_crc(enm->enm_addrlo); 414 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 415 ETHER_NEXT_MULTI(step, enm); 416 } 417 418 ifp->if_flags &= ~IFF_ALLMULTI; 419 420 /* 421 * Also include the broadcast address in the filter 422 * so we can receive broadcast frames. 423 */ 424 if (ifp->if_flags & IFF_BROADCAST) { 425 h = cue_crc(etherbroadcastaddr); 426 sc->cue_mctab[h >> 3] |= 1 << (h & 0x7); 427 } 428 429 cue_mem(sc, CUE_CMD_WRITESRAM, CUE_MCAST_TABLE_ADDR, 430 &sc->cue_mctab, CUE_MCAST_TABLE_LEN); 431 } 432 433 Static void 434 cue_reset(struct cue_softc *sc) 435 { 436 usb_device_request_t req; 437 usbd_status err; 438 439 DPRINTFN(2,("%s: cue_reset\n", USBDEVNAME(sc->cue_dev))); 440 441 if (sc->cue_dying) 442 return; 443 444 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 445 req.bRequest = CUE_CMD_RESET; 446 USETW(req.wValue, 0); 447 USETW(req.wIndex, 0); 448 USETW(req.wLength, 0); 449 450 err = usbd_do_request(sc->cue_udev, &req, NULL); 451 452 if (err) 453 printf("%s: reset failed\n", USBDEVNAME(sc->cue_dev)); 454 455 /* Wait a little while for the chip to get its brains in order. */ 456 usbd_delay_ms(sc->cue_udev, 1); 457 } 458 459 /* 460 * Probe for a CATC chip. 461 */ 462 USB_MATCH(cue) 463 { 464 USB_MATCH_START(cue, uaa); 465 466 #ifndef USB_USE_IFATTACH 467 if (uaa->iface != NULL) 468 return (UMATCH_NONE); 469 #endif /* USB_USE_IFATTACH */ 470 471 return (cue_lookup(uaa->vendor, uaa->product) != NULL ? 472 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 473 } 474 475 /* 476 * Attach the interface. Allocate softc structures, do ifmedia 477 * setup and ethernet/BPF attach. 478 */ 479 USB_ATTACH(cue) 480 { 481 USB_ATTACH_START(cue, sc, uaa); 482 char *devinfop; 483 int s; 484 u_char eaddr[ETHER_ADDR_LEN]; 485 usbd_device_handle dev = uaa->device; 486 usbd_interface_handle iface; 487 usbd_status err; 488 struct ifnet *ifp; 489 usb_interface_descriptor_t *id; 490 usb_endpoint_descriptor_t *ed; 491 int i; 492 493 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 494 495 devinfop = usbd_devinfo_alloc(dev, 0); 496 USB_ATTACH_SETUP; 497 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfop); 498 usbd_devinfo_free(devinfop); 499 500 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 501 if (err) { 502 printf("%s: setting config no failed\n", 503 USBDEVNAME(sc->cue_dev)); 504 USB_ATTACH_ERROR_RETURN; 505 } 506 507 sc->cue_udev = dev; 508 sc->cue_product = uaa->product; 509 sc->cue_vendor = uaa->vendor; 510 511 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 512 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 513 514 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 515 if (err) { 516 printf("%s: getting interface handle failed\n", 517 USBDEVNAME(sc->cue_dev)); 518 USB_ATTACH_ERROR_RETURN; 519 } 520 521 sc->cue_iface = iface; 522 id = usbd_get_interface_descriptor(iface); 523 524 /* Find endpoints. */ 525 for (i = 0; i < id->bNumEndpoints; i++) { 526 ed = usbd_interface2endpoint_descriptor(iface, i); 527 if (ed == NULL) { 528 printf("%s: couldn't get ep %d\n", 529 USBDEVNAME(sc->cue_dev), i); 530 USB_ATTACH_ERROR_RETURN; 531 } 532 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 533 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 534 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 535 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 536 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 537 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 538 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 539 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 540 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 541 } 542 } 543 544 #if 0 545 /* Reset the adapter. */ 546 cue_reset(sc); 547 #endif 548 /* 549 * Get station address. 550 */ 551 cue_getmac(sc, &eaddr); 552 553 s = splnet(); 554 555 /* 556 * A CATC chip was detected. Inform the world. 557 */ 558 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 559 ether_sprintf(eaddr)); 560 561 /* Initialize interface info.*/ 562 ifp = GET_IFP(sc); 563 ifp->if_softc = sc; 564 ifp->if_mtu = ETHERMTU; 565 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 566 ifp->if_ioctl = cue_ioctl; 567 ifp->if_start = cue_start; 568 ifp->if_init = cue_init; 569 ifp->if_stop = cue_stop; 570 ifp->if_watchdog = cue_watchdog; 571 #if defined(__OpenBSD__) 572 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 573 #endif 574 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 575 576 IFQ_SET_READY(&ifp->if_snd); 577 578 /* Attach the interface. */ 579 if_attach(ifp); 580 Ether_ifattach(ifp, eaddr); 581 #if NRND > 0 582 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 583 RND_TYPE_NET, 0); 584 #endif 585 586 usb_callout_init(sc->cue_stat_ch); 587 588 sc->cue_attached = 1; 589 splx(s); 590 591 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 592 USBDEV(sc->cue_dev)); 593 594 USB_ATTACH_SUCCESS_RETURN; 595 } 596 597 USB_DETACH(cue) 598 { 599 USB_DETACH_START(cue, sc); 600 struct ifnet *ifp = GET_IFP(sc); 601 int s; 602 603 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 604 605 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 606 /* 607 * Remove any pending task. It cannot be executing because it run 608 * in the same thread as detach. 609 */ 610 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 611 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 612 613 if (!sc->cue_attached) { 614 /* Detached before attached finished, so just bail out. */ 615 return (0); 616 } 617 618 s = splusb(); 619 620 if (ifp->if_flags & IFF_RUNNING) 621 cue_stop(ifp, 1); 622 623 #if defined(__NetBSD__) 624 #if NRND > 0 625 rnd_detach_source(&sc->rnd_source); 626 #endif 627 ether_ifdetach(ifp); 628 #endif /* __NetBSD__ */ 629 630 if_detach(ifp); 631 632 #ifdef DIAGNOSTIC 633 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 634 sc->cue_ep[CUE_ENDPT_RX] != NULL || 635 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 636 printf("%s: detach has active endpoints\n", 637 USBDEVNAME(sc->cue_dev)); 638 #endif 639 640 sc->cue_attached = 0; 641 splx(s); 642 643 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 644 USBDEV(sc->cue_dev)); 645 646 return (0); 647 } 648 649 int 650 cue_activate(device_ptr_t self, enum devact act) 651 { 652 struct cue_softc *sc = (struct cue_softc *)self; 653 654 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 655 656 switch (act) { 657 case DVACT_ACTIVATE: 658 return (EOPNOTSUPP); 659 break; 660 661 case DVACT_DEACTIVATE: 662 /* Deactivate the interface. */ 663 if_deactivate(&sc->cue_ec.ec_if); 664 sc->cue_dying = 1; 665 break; 666 } 667 return (0); 668 } 669 670 /* 671 * A frame has been uploaded: pass the resulting mbuf chain up to 672 * the higher level protocols. 673 */ 674 Static void 675 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 676 { 677 struct ue_chain *c = priv; 678 struct cue_softc *sc = (void *)c->ue_dev; 679 struct ifnet *ifp = GET_IFP(sc); 680 struct mbuf *m; 681 int total_len = 0; 682 u_int16_t len; 683 int s; 684 685 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 686 __func__, status)); 687 688 if (sc->cue_dying) 689 return; 690 691 if (!(ifp->if_flags & IFF_RUNNING)) 692 return; 693 694 usbd_unmap_buffer(xfer); 695 696 if (status != USBD_NORMAL_COMPLETION) { 697 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 698 return; 699 sc->cue_rx_errs++; 700 if (usbd_ratecheck(&sc->cue_rx_notice)) { 701 printf("%s: %u usb errors on rx: %s\n", 702 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 703 usbd_errstr(status)); 704 sc->cue_rx_errs = 0; 705 } 706 if (status == USBD_STALLED) 707 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 708 goto done; 709 } 710 711 #if 0 712 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 713 /* XXX should check total_len ? */ 714 #endif 715 716 m = c->ue_mbuf; 717 len = UGETW(mtod(m, u_int8_t *)); 718 719 /* No errors; receive the packet. */ 720 total_len = len; 721 722 if (len < sizeof(struct ether_header)) { 723 ifp->if_ierrors++; 724 goto done; 725 } 726 727 /* 728 * Allocate new mbuf cluster for the next transfer. 729 * If that failed, discard current packet and recycle the mbuf. 730 */ 731 if ((c->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 732 printf("%s: no memory for rx list -- packet dropped!\n", 733 USBDEVNAME(sc->cue_dev)); 734 ifp->if_ierrors++; 735 c->ue_mbuf = usb_ether_newbuf(m); 736 goto done; 737 } 738 739 ifp->if_ipackets++; 740 m_adj(m, sizeof(u_int16_t)); 741 m->m_pkthdr.len = m->m_len = total_len; 742 743 m->m_pkthdr.rcvif = ifp; 744 745 s = splnet(); 746 747 #if NBPFILTER > 0 748 /* 749 * Handle BPF listeners. Let the BPF user see the packet, but 750 * don't pass it up to the ether_input() layer unless it's 751 * a broadcast packet, multicast packet, matches our ethernet 752 * address or the interface is in promiscuous mode. 753 */ 754 if (ifp->if_bpf) 755 BPF_MTAP(ifp, m); 756 #endif 757 758 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 759 __func__, m->m_len)); 760 IF_INPUT(ifp, m); 761 splx(s); 762 763 done: 764 /* Setup new transfer. */ 765 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 766 usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_RX], 767 c, NULL /* XXX buf */, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 768 USBD_NO_TIMEOUT, cue_rxeof); 769 usbd_transfer(c->ue_xfer); 770 771 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 772 __func__)); 773 } 774 775 /* 776 * A frame was downloaded to the chip. It's safe for us to clean up 777 * the list buffers. 778 */ 779 Static void 780 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 781 usbd_status status) 782 { 783 struct ue_chain *c = priv; 784 struct cue_softc *sc = (void *)c->ue_dev; 785 struct ifnet *ifp = GET_IFP(sc); 786 int s; 787 788 if (sc->cue_dying) 789 return; 790 791 usbd_unmap_buffer(xfer); 792 793 s = splnet(); 794 795 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 796 __func__, status)); 797 798 ifp->if_timer = 0; 799 ifp->if_flags &= ~IFF_OACTIVE; 800 801 if (status != USBD_NORMAL_COMPLETION) { 802 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 803 splx(s); 804 return; 805 } 806 ifp->if_oerrors++; 807 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 808 usbd_errstr(status)); 809 if (status == USBD_STALLED) 810 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 811 splx(s); 812 return; 813 } 814 815 ifp->if_opackets++; 816 817 m_freem(c->ue_mbuf); 818 c->ue_mbuf = NULL; 819 820 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 821 cue_start(ifp); 822 823 splx(s); 824 } 825 826 Static void 827 cue_tick(void *xsc) 828 { 829 struct cue_softc *sc = xsc; 830 831 if (sc == NULL) 832 return; 833 834 if (sc->cue_dying) 835 return; 836 837 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 838 839 /* Perform statistics update in process context. */ 840 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 841 } 842 843 Static void 844 cue_tick_task(void *xsc) 845 { 846 struct cue_softc *sc = xsc; 847 struct ifnet *ifp; 848 849 if (sc->cue_dying) 850 return; 851 852 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 853 854 ifp = GET_IFP(sc); 855 856 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 857 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 858 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 859 860 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 861 ifp->if_ierrors++; 862 } 863 864 Static int 865 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 866 { 867 int total_len; 868 struct ue_chain *c; 869 usbd_status err; 870 int ret; 871 872 c = &sc->cue_cdata.cue_tx_chain[idx]; 873 874 /* Prepend two bytes at the beginning to hold the frame length. */ 875 M_PREPEND(m, sizeof(u_int16_t), M_DONTWAIT); 876 if (m != NULL) 877 m = m_pullup(m, sizeof(u_int16_t)); /* just in case */ 878 if (m == NULL) { 879 GET_IFP(sc)->if_oerrors++; 880 return (ENOBUFS); 881 } 882 883 total_len = m->m_pkthdr.len; 884 885 DPRINTFN(10,("%s: %s: total_len=%d\n", 886 USBDEVNAME(sc->cue_dev), __func__, total_len)); 887 888 /* The first two bytes are the frame length */ 889 USETW(mtod(m, char *), m->m_pkthdr.len - sizeof(u_int16_t)); 890 891 ret = usb_ether_map_tx_buffer_mbuf(c, m); 892 if (ret) { 893 m_freem(m); 894 return (ret); 895 } 896 897 /* XXX 10000 */ 898 usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_TX], 899 c, NULL /* XXX buf */, total_len, USBD_NO_COPY, 10000, cue_txeof); 900 901 /* Transmit */ 902 err = usbd_transfer(c->ue_xfer); 903 if (err != USBD_IN_PROGRESS) { 904 c->ue_mbuf = NULL; 905 m_freem(m); 906 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 907 usbd_errstr(err)); 908 /* Stop the interface from process context. */ 909 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 910 USB_TASKQ_DRIVER); 911 return (EIO); 912 } 913 914 sc->cue_cdata.cue_tx_cnt++; 915 916 return (0); 917 } 918 919 Static void 920 cue_start(struct ifnet *ifp) 921 { 922 struct cue_softc *sc = ifp->if_softc; 923 struct mbuf *m_head = NULL; 924 925 if (sc->cue_dying) 926 return; 927 928 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 929 930 if (ifp->if_flags & IFF_OACTIVE) 931 return; 932 933 IFQ_POLL(&ifp->if_snd, m_head); 934 if (m_head == NULL) 935 return; 936 937 IFQ_DEQUEUE(&ifp->if_snd, m_head); 938 939 #if NBPFILTER > 0 940 /* 941 * If there's a BPF listener, bounce a copy of this frame 942 * to him. 943 */ 944 if (ifp->if_bpf) 945 BPF_MTAP(ifp, m_head); 946 #endif 947 948 if (cue_send(sc, m_head, 0)) { 949 ifp->if_flags |= IFF_OACTIVE; 950 return; 951 } 952 953 ifp->if_flags |= IFF_OACTIVE; 954 955 /* 956 * Set a timeout in case the chip goes out to lunch. 957 */ 958 ifp->if_timer = 5; 959 } 960 961 Static int 962 cue_init(struct ifnet *ifp) 963 { 964 struct cue_softc *sc = ifp->if_softc; 965 int i, s, ctl; 966 u_char *eaddr; 967 struct ue_chain *c; 968 969 if (sc->cue_dying) 970 return (EIO); 971 972 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 973 974 if (ifp->if_flags & IFF_RUNNING) 975 return (EIO); 976 977 s = splnet(); 978 979 /* 980 * Cancel pending I/O and free all RX/TX buffers. 981 */ 982 #if 1 983 cue_reset(sc); 984 #endif 985 986 /* Set advanced operation modes. */ 987 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 988 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 989 990 #if defined(__OpenBSD__) 991 eaddr = sc->arpcom.ac_enaddr; 992 #elif defined(__NetBSD__) 993 eaddr = LLADDR(ifp->if_sadl); 994 #endif 995 /* Set MAC address */ 996 for (i = 0; i < ETHER_ADDR_LEN; i++) 997 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 998 999 /* Enable RX logic. */ 1000 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 1001 if (ifp->if_flags & IFF_PROMISC) 1002 ctl |= CUE_ETHCTL_PROMISC; 1003 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1004 1005 /* Load the multicast filter. */ 1006 cue_setmulti(sc); 1007 1008 /* 1009 * Set the number of RX and TX buffers that we want 1010 * to reserve inside the ASIC. 1011 */ 1012 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1013 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1014 1015 /* Set advanced operation modes. */ 1016 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1017 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1018 1019 /* Program the LED operation. */ 1020 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1021 1022 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1023 if (cue_open_pipes(sc)) { 1024 splx(s); 1025 return (EIO); 1026 } 1027 } 1028 1029 /* Init TX ring. */ 1030 if ((i = usb_ether_tx_list_init(USBDEV(sc->cue_dev), 1031 sc->cue_cdata.cue_tx_chain, CUE_TX_LIST_CNT, 1032 sc->cue_udev, sc->cue_ep[CUE_ENDPT_TX], NULL))) { 1033 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1034 splx(s); 1035 return (i); 1036 } 1037 1038 /* Init RX ring. */ 1039 if ((i = usb_ether_rx_list_init(USBDEV(sc->cue_dev), 1040 sc->cue_cdata.cue_rx_chain, CUE_RX_LIST_CNT, 1041 sc->cue_udev, sc->cue_ep[CUE_ENDPT_RX]))) { 1042 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1043 splx(s); 1044 return (i); 1045 } 1046 1047 /* Start up the receive pipe. */ 1048 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1049 c = &sc->cue_cdata.cue_rx_chain[i]; 1050 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 1051 usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1052 c, NULL /* XXX buf */, CUE_BUFSZ, 1053 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1054 cue_rxeof); 1055 usbd_transfer(c->ue_xfer); 1056 } 1057 1058 ifp->if_flags |= IFF_RUNNING; 1059 ifp->if_flags &= ~IFF_OACTIVE; 1060 1061 splx(s); 1062 1063 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1064 1065 return (0); 1066 } 1067 1068 Static int 1069 cue_open_pipes(struct cue_softc *sc) 1070 { 1071 usbd_status err; 1072 1073 /* Open RX and TX pipes. */ 1074 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1075 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1076 if (err) { 1077 printf("%s: open rx pipe failed: %s\n", 1078 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1079 return (EIO); 1080 } 1081 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1082 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1083 if (err) { 1084 printf("%s: open tx pipe failed: %s\n", 1085 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1086 return (EIO); 1087 } 1088 1089 return (0); 1090 } 1091 1092 Static int 1093 cue_ioctl(struct ifnet *ifp, u_long command, usb_ioctlarg_t data) 1094 { 1095 struct cue_softc *sc = ifp->if_softc; 1096 #if 0 1097 struct ifaddr *ifa = (struct ifaddr *)data; 1098 struct ifreq *ifr = (struct ifreq *)data; 1099 #endif 1100 int s, error = 0; 1101 1102 if (sc->cue_dying) 1103 return (EIO); 1104 1105 s = splnet(); 1106 1107 switch(command) { 1108 #if 0 1109 case SIOCSIFADDR: 1110 ifp->if_flags |= IFF_UP; 1111 cue_init(ifp); 1112 1113 switch (ifa->ifa_addr->sa_family) { 1114 #ifdef INET 1115 case AF_INET: 1116 #if defined(__NetBSD__) 1117 arp_ifinit(ifp, ifa); 1118 #else 1119 arp_ifinit(&sc->arpcom, ifa); 1120 #endif 1121 break; 1122 #endif /* INET */ 1123 } 1124 break; 1125 1126 case SIOCSIFMTU: 1127 if (ifr->ifr_mtu > ETHERMTU) 1128 error = EINVAL; 1129 else 1130 ifp->if_mtu = ifr->ifr_mtu; 1131 break; 1132 #endif 1133 1134 case SIOCSIFFLAGS: 1135 if (ifp->if_flags & IFF_UP) { 1136 if (ifp->if_flags & IFF_RUNNING && 1137 ifp->if_flags & IFF_PROMISC && 1138 !(sc->cue_if_flags & IFF_PROMISC)) { 1139 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1140 cue_setmulti(sc); 1141 } else if (ifp->if_flags & IFF_RUNNING && 1142 !(ifp->if_flags & IFF_PROMISC) && 1143 sc->cue_if_flags & IFF_PROMISC) { 1144 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1145 cue_setmulti(sc); 1146 } else if (!(ifp->if_flags & IFF_RUNNING)) 1147 cue_init(ifp); 1148 } else { 1149 if (ifp->if_flags & IFF_RUNNING) 1150 cue_stop(ifp, 0); 1151 } 1152 sc->cue_if_flags = ifp->if_flags; 1153 error = 0; 1154 break; 1155 #if 0 1156 case SIOCADDMULTI: 1157 case SIOCDELMULTI: 1158 cue_setmulti(sc); 1159 error = 0; 1160 break; 1161 #endif 1162 default: 1163 error = ether_ioctl(ifp, command, data); 1164 if (error == ENETRESET) { 1165 /* 1166 * Multicast list has changed; set the hardware 1167 * filter accordingly. 1168 */ 1169 if (ifp->if_flags & IFF_RUNNING) 1170 cue_setmulti(sc); 1171 error = 0; 1172 } 1173 break; 1174 } 1175 1176 splx(s); 1177 1178 return (error); 1179 } 1180 1181 Static void 1182 cue_watchdog(struct ifnet *ifp) 1183 { 1184 struct cue_softc *sc = ifp->if_softc; 1185 struct ue_chain *c; 1186 usbd_status stat; 1187 int s; 1188 1189 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1190 1191 if (sc->cue_dying) 1192 return; 1193 1194 ifp->if_oerrors++; 1195 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1196 1197 s = splusb(); 1198 c = &sc->cue_cdata.cue_tx_chain[0]; 1199 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat); 1200 cue_txeof(c->ue_xfer, c, stat); 1201 1202 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1203 cue_start(ifp); 1204 splx(s); 1205 } 1206 1207 /* 1208 * Stop the adapter and free any mbufs allocated to the 1209 * RX and TX lists. 1210 */ 1211 Static void 1212 cue_stop(struct ifnet *ifp, int disable) 1213 { 1214 struct cue_softc *sc = ifp->if_softc; 1215 usbd_status err; 1216 1217 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1218 1219 ifp = GET_IFP(sc); 1220 ifp->if_timer = 0; 1221 1222 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1223 cue_reset(sc); 1224 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1225 1226 /* Stop transfers. */ 1227 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1228 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1229 if (err) { 1230 printf("%s: abort rx pipe failed: %s\n", 1231 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1232 } 1233 } 1234 1235 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1236 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1237 if (err) { 1238 printf("%s: abort tx pipe failed: %s\n", 1239 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1240 } 1241 } 1242 1243 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1244 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1245 if (err) { 1246 printf("%s: abort intr pipe failed: %s\n", 1247 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1248 } 1249 } 1250 1251 /* Free RX/TX resources. */ 1252 usb_ether_rx_list_free(sc->cue_cdata.cue_rx_chain, CUE_RX_LIST_CNT); 1253 usb_ether_tx_list_free(sc->cue_cdata.cue_tx_chain, CUE_TX_LIST_CNT); 1254 1255 /* Close pipes. */ 1256 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1257 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1258 if (err) { 1259 printf("%s: close rx pipe failed: %s\n", 1260 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1261 } 1262 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1263 } 1264 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1265 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1266 if (err) { 1267 printf("%s: close tx pipe failed: %s\n", 1268 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1269 } 1270 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1271 } 1272 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1273 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1274 if (err) { 1275 printf("%s: close intr pipe failed: %s\n", 1276 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1277 } 1278 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1279 } 1280 1281 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1282 } 1283
Indexes created Fri Oct 03 02:09:57 GMT 2025