if_cue.c revision 1.48.10.3
1 /* $NetBSD: if_cue.c,v 1.48.10.3 2007/06/17 00:51:33 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 1.48.10.3 2007/06/17 00:51:33 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 if (uaa->iface != NULL) 467 return (UMATCH_NONE); 468 469 return (cue_lookup(uaa->vendor, uaa->product) != NULL ? 470 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 471 } 472 473 /* 474 * Attach the interface. Allocate softc structures, do ifmedia 475 * setup and ethernet/BPF attach. 476 */ 477 USB_ATTACH(cue) 478 { 479 USB_ATTACH_START(cue, sc, uaa); 480 char *devinfop; 481 int s; 482 u_char eaddr[ETHER_ADDR_LEN]; 483 usbd_device_handle dev = uaa->device; 484 usbd_interface_handle iface; 485 usbd_status err; 486 struct ifnet *ifp; 487 usb_interface_descriptor_t *id; 488 usb_endpoint_descriptor_t *ed; 489 int i; 490 491 DPRINTFN(5,(" : cue_attach: sc=%p, dev=%p", sc, dev)); 492 493 devinfop = usbd_devinfo_alloc(dev, 0); 494 USB_ATTACH_SETUP; 495 printf("%s: %s\n", USBDEVNAME(sc->cue_dev), devinfop); 496 usbd_devinfo_free(devinfop); 497 498 err = usbd_set_config_no(dev, CUE_CONFIG_NO, 1); 499 if (err) { 500 printf("%s: setting config no failed\n", 501 USBDEVNAME(sc->cue_dev)); 502 USB_ATTACH_ERROR_RETURN; 503 } 504 505 sc->cue_udev = dev; 506 sc->cue_product = uaa->product; 507 sc->cue_vendor = uaa->vendor; 508 509 usb_init_task(&sc->cue_tick_task, cue_tick_task, sc); 510 usb_init_task(&sc->cue_stop_task, (void (*)(void *))cue_stop, sc); 511 512 err = usbd_device2interface_handle(dev, CUE_IFACE_IDX, &iface); 513 if (err) { 514 printf("%s: getting interface handle failed\n", 515 USBDEVNAME(sc->cue_dev)); 516 USB_ATTACH_ERROR_RETURN; 517 } 518 519 sc->cue_iface = iface; 520 id = usbd_get_interface_descriptor(iface); 521 522 /* Find endpoints. */ 523 for (i = 0; i < id->bNumEndpoints; i++) { 524 ed = usbd_interface2endpoint_descriptor(iface, i); 525 if (ed == NULL) { 526 printf("%s: couldn't get ep %d\n", 527 USBDEVNAME(sc->cue_dev), i); 528 USB_ATTACH_ERROR_RETURN; 529 } 530 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 531 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 532 sc->cue_ed[CUE_ENDPT_RX] = ed->bEndpointAddress; 533 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 534 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 535 sc->cue_ed[CUE_ENDPT_TX] = ed->bEndpointAddress; 536 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 537 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 538 sc->cue_ed[CUE_ENDPT_INTR] = ed->bEndpointAddress; 539 } 540 } 541 542 #if 0 543 /* Reset the adapter. */ 544 cue_reset(sc); 545 #endif 546 /* 547 * Get station address. 548 */ 549 cue_getmac(sc, &eaddr); 550 551 s = splnet(); 552 553 /* 554 * A CATC chip was detected. Inform the world. 555 */ 556 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->cue_dev), 557 ether_sprintf(eaddr)); 558 559 /* Initialize interface info.*/ 560 ifp = GET_IFP(sc); 561 ifp->if_softc = sc; 562 ifp->if_mtu = ETHERMTU; 563 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 564 ifp->if_ioctl = cue_ioctl; 565 ifp->if_start = cue_start; 566 ifp->if_init = cue_init; 567 ifp->if_stop = cue_stop; 568 ifp->if_watchdog = cue_watchdog; 569 #if defined(__OpenBSD__) 570 ifp->if_snd.ifq_maxlen = IFQ_MAXLEN; 571 #endif 572 strncpy(ifp->if_xname, USBDEVNAME(sc->cue_dev), IFNAMSIZ); 573 574 IFQ_SET_READY(&ifp->if_snd); 575 576 /* Attach the interface. */ 577 if_attach(ifp); 578 Ether_ifattach(ifp, eaddr); 579 #if NRND > 0 580 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->cue_dev), 581 RND_TYPE_NET, 0); 582 #endif 583 584 usb_callout_init(sc->cue_stat_ch); 585 586 sc->cue_attached = 1; 587 splx(s); 588 589 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->cue_udev, 590 USBDEV(sc->cue_dev)); 591 592 USB_ATTACH_SUCCESS_RETURN; 593 } 594 595 USB_DETACH(cue) 596 { 597 USB_DETACH_START(cue, sc); 598 struct ifnet *ifp = GET_IFP(sc); 599 int s; 600 601 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 602 603 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 604 /* 605 * Remove any pending task. It cannot be executing because it run 606 * in the same thread as detach. 607 */ 608 usb_rem_task(sc->cue_udev, &sc->cue_tick_task); 609 usb_rem_task(sc->cue_udev, &sc->cue_stop_task); 610 611 if (!sc->cue_attached) { 612 /* Detached before attached finished, so just bail out. */ 613 return (0); 614 } 615 616 s = splusb(); 617 618 if (ifp->if_flags & IFF_RUNNING) 619 cue_stop(ifp, 1); 620 621 #if defined(__NetBSD__) 622 #if NRND > 0 623 rnd_detach_source(&sc->rnd_source); 624 #endif 625 ether_ifdetach(ifp); 626 #endif /* __NetBSD__ */ 627 628 if_detach(ifp); 629 630 #ifdef DIAGNOSTIC 631 if (sc->cue_ep[CUE_ENDPT_TX] != NULL || 632 sc->cue_ep[CUE_ENDPT_RX] != NULL || 633 sc->cue_ep[CUE_ENDPT_INTR] != NULL) 634 printf("%s: detach has active endpoints\n", 635 USBDEVNAME(sc->cue_dev)); 636 #endif 637 638 sc->cue_attached = 0; 639 splx(s); 640 641 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->cue_udev, 642 USBDEV(sc->cue_dev)); 643 644 return (0); 645 } 646 647 int 648 cue_activate(device_ptr_t self, enum devact act) 649 { 650 struct cue_softc *sc = (struct cue_softc *)self; 651 652 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 653 654 switch (act) { 655 case DVACT_ACTIVATE: 656 return (EOPNOTSUPP); 657 break; 658 659 case DVACT_DEACTIVATE: 660 /* Deactivate the interface. */ 661 if_deactivate(&sc->cue_ec.ec_if); 662 sc->cue_dying = 1; 663 break; 664 } 665 return (0); 666 } 667 668 /* 669 * A frame has been uploaded: pass the resulting mbuf chain up to 670 * the higher level protocols. 671 */ 672 Static void 673 cue_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 674 { 675 struct ue_chain *c = priv; 676 struct cue_softc *sc = (void *)c->ue_dev; 677 struct ifnet *ifp = GET_IFP(sc); 678 struct mbuf *m; 679 int total_len = 0; 680 u_int16_t len; 681 int s; 682 683 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 684 __func__, status)); 685 686 if (sc->cue_dying) 687 return; 688 689 if (!(ifp->if_flags & IFF_RUNNING)) 690 return; 691 692 usbd_unmap_buffer(xfer); 693 694 if (status != USBD_NORMAL_COMPLETION) { 695 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 696 return; 697 sc->cue_rx_errs++; 698 if (usbd_ratecheck(&sc->cue_rx_notice)) { 699 printf("%s: %u usb errors on rx: %s\n", 700 USBDEVNAME(sc->cue_dev), sc->cue_rx_errs, 701 usbd_errstr(status)); 702 sc->cue_rx_errs = 0; 703 } 704 if (status == USBD_STALLED) 705 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_RX]); 706 goto done; 707 } 708 709 #if 0 710 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 711 /* XXX should check total_len ? */ 712 #endif 713 714 m = c->ue_mbuf; 715 len = UGETW(mtod(m, u_int8_t *)); 716 717 /* No errors; receive the packet. */ 718 total_len = len; 719 720 if (len < sizeof(struct ether_header)) { 721 ifp->if_ierrors++; 722 goto done; 723 } 724 725 /* 726 * Allocate new mbuf cluster for the next transfer. 727 * If that failed, discard current packet and recycle the mbuf. 728 */ 729 if ((c->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 730 printf("%s: no memory for rx list -- packet dropped!\n", 731 USBDEVNAME(sc->cue_dev)); 732 ifp->if_ierrors++; 733 c->ue_mbuf = usb_ether_newbuf(m); 734 goto done; 735 } 736 737 ifp->if_ipackets++; 738 m_adj(m, sizeof(u_int16_t)); 739 m->m_pkthdr.len = m->m_len = total_len; 740 741 m->m_pkthdr.rcvif = ifp; 742 743 s = splnet(); 744 745 #if NBPFILTER > 0 746 /* 747 * Handle BPF listeners. Let the BPF user see the packet, but 748 * don't pass it up to the ether_input() layer unless it's 749 * a broadcast packet, multicast packet, matches our ethernet 750 * address or the interface is in promiscuous mode. 751 */ 752 if (ifp->if_bpf) 753 BPF_MTAP(ifp, m); 754 #endif 755 756 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->cue_dev), 757 __func__, m->m_len)); 758 IF_INPUT(ifp, m); 759 splx(s); 760 761 done: 762 /* Setup new transfer. */ 763 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 764 usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_RX], 765 c, NULL /* XXX buf */, CUE_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 766 USBD_NO_TIMEOUT, cue_rxeof); 767 usbd_transfer(c->ue_xfer); 768 769 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->cue_dev), 770 __func__)); 771 } 772 773 /* 774 * A frame was downloaded to the chip. It's safe for us to clean up 775 * the list buffers. 776 */ 777 Static void 778 cue_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 779 usbd_status status) 780 { 781 struct ue_chain *c = priv; 782 struct cue_softc *sc = (void *)c->ue_dev; 783 struct ifnet *ifp = GET_IFP(sc); 784 int s; 785 786 if (sc->cue_dying) 787 return; 788 789 usbd_unmap_buffer(xfer); 790 791 s = splnet(); 792 793 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->cue_dev), 794 __func__, status)); 795 796 ifp->if_timer = 0; 797 ifp->if_flags &= ~IFF_OACTIVE; 798 799 if (status != USBD_NORMAL_COMPLETION) { 800 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 801 splx(s); 802 return; 803 } 804 ifp->if_oerrors++; 805 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->cue_dev), 806 usbd_errstr(status)); 807 if (status == USBD_STALLED) 808 usbd_clear_endpoint_stall_async(sc->cue_ep[CUE_ENDPT_TX]); 809 splx(s); 810 return; 811 } 812 813 ifp->if_opackets++; 814 815 m_freem(c->ue_mbuf); 816 c->ue_mbuf = NULL; 817 818 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 819 cue_start(ifp); 820 821 splx(s); 822 } 823 824 Static void 825 cue_tick(void *xsc) 826 { 827 struct cue_softc *sc = xsc; 828 829 if (sc == NULL) 830 return; 831 832 if (sc->cue_dying) 833 return; 834 835 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 836 837 /* Perform statistics update in process context. */ 838 usb_add_task(sc->cue_udev, &sc->cue_tick_task, USB_TASKQ_DRIVER); 839 } 840 841 Static void 842 cue_tick_task(void *xsc) 843 { 844 struct cue_softc *sc = xsc; 845 struct ifnet *ifp; 846 847 if (sc->cue_dying) 848 return; 849 850 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev), __func__)); 851 852 ifp = GET_IFP(sc); 853 854 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_SINGLECOLL); 855 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_MULTICOLL); 856 ifp->if_collisions += cue_csr_read_2(sc, CUE_TX_EXCESSCOLL); 857 858 if (cue_csr_read_2(sc, CUE_RX_FRAMEERR)) 859 ifp->if_ierrors++; 860 } 861 862 Static int 863 cue_send(struct cue_softc *sc, struct mbuf *m, int idx) 864 { 865 int total_len; 866 struct ue_chain *c; 867 usbd_status err; 868 int ret; 869 870 c = &sc->cue_cdata.cue_tx_chain[idx]; 871 872 /* Prepend two bytes at the beginning to hold the frame length. */ 873 M_PREPEND(m, sizeof(u_int16_t), M_DONTWAIT); 874 if (m != NULL) 875 m = m_pullup(m, sizeof(u_int16_t)); /* just in case */ 876 if (m == NULL) { 877 GET_IFP(sc)->if_oerrors++; 878 return (ENOBUFS); 879 } 880 881 total_len = m->m_pkthdr.len; 882 883 DPRINTFN(10,("%s: %s: total_len=%d\n", 884 USBDEVNAME(sc->cue_dev), __func__, total_len)); 885 886 /* The first two bytes are the frame length */ 887 USETW(mtod(m, char *), m->m_pkthdr.len - sizeof(u_int16_t)); 888 889 ret = usb_ether_map_tx_buffer_mbuf(c, m); 890 if (ret) { 891 m_freem(m); 892 return (ret); 893 } 894 895 /* XXX 10000 */ 896 usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_TX], 897 c, NULL /* XXX buf */, total_len, USBD_NO_COPY, 10000, cue_txeof); 898 899 /* Transmit */ 900 err = usbd_transfer(c->ue_xfer); 901 if (err != USBD_IN_PROGRESS) { 902 c->ue_mbuf = NULL; 903 m_freem(m); 904 printf("%s: cue_send error=%s\n", USBDEVNAME(sc->cue_dev), 905 usbd_errstr(err)); 906 /* Stop the interface from process context. */ 907 usb_add_task(sc->cue_udev, &sc->cue_stop_task, 908 USB_TASKQ_DRIVER); 909 return (EIO); 910 } 911 912 sc->cue_cdata.cue_tx_cnt++; 913 914 return (0); 915 } 916 917 Static void 918 cue_start(struct ifnet *ifp) 919 { 920 struct cue_softc *sc = ifp->if_softc; 921 struct mbuf *m_head = NULL; 922 923 if (sc->cue_dying) 924 return; 925 926 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 927 928 if (ifp->if_flags & IFF_OACTIVE) 929 return; 930 931 IFQ_POLL(&ifp->if_snd, m_head); 932 if (m_head == NULL) 933 return; 934 935 IFQ_DEQUEUE(&ifp->if_snd, m_head); 936 937 #if NBPFILTER > 0 938 /* 939 * If there's a BPF listener, bounce a copy of this frame 940 * to him. 941 */ 942 if (ifp->if_bpf) 943 BPF_MTAP(ifp, m_head); 944 #endif 945 946 if (cue_send(sc, m_head, 0)) { 947 ifp->if_flags |= IFF_OACTIVE; 948 return; 949 } 950 951 ifp->if_flags |= IFF_OACTIVE; 952 953 /* 954 * Set a timeout in case the chip goes out to lunch. 955 */ 956 ifp->if_timer = 5; 957 } 958 959 Static int 960 cue_init(struct ifnet *ifp) 961 { 962 struct cue_softc *sc = ifp->if_softc; 963 int i, s, ctl; 964 u_char *eaddr; 965 struct ue_chain *c; 966 967 if (sc->cue_dying) 968 return (EIO); 969 970 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 971 972 if (ifp->if_flags & IFF_RUNNING) 973 return (EIO); 974 975 s = splnet(); 976 977 /* 978 * Cancel pending I/O and free all RX/TX buffers. 979 */ 980 #if 1 981 cue_reset(sc); 982 #endif 983 984 /* Set advanced operation modes. */ 985 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 986 CUE_AOP_EMBED_RXLEN | 0x03); /* 1 wait state */ 987 988 #if defined(__OpenBSD__) 989 eaddr = sc->arpcom.ac_enaddr; 990 #elif defined(__NetBSD__) 991 eaddr = LLADDR(ifp->if_sadl); 992 #endif 993 /* Set MAC address */ 994 for (i = 0; i < ETHER_ADDR_LEN; i++) 995 cue_csr_write_1(sc, CUE_PAR0 - i, eaddr[i]); 996 997 /* Enable RX logic. */ 998 ctl = CUE_ETHCTL_RX_ON | CUE_ETHCTL_MCAST_ON; 999 if (ifp->if_flags & IFF_PROMISC) 1000 ctl |= CUE_ETHCTL_PROMISC; 1001 cue_csr_write_1(sc, CUE_ETHCTL, ctl); 1002 1003 /* Load the multicast filter. */ 1004 cue_setmulti(sc); 1005 1006 /* 1007 * Set the number of RX and TX buffers that we want 1008 * to reserve inside the ASIC. 1009 */ 1010 cue_csr_write_1(sc, CUE_RX_BUFPKTS, CUE_RX_FRAMES); 1011 cue_csr_write_1(sc, CUE_TX_BUFPKTS, CUE_TX_FRAMES); 1012 1013 /* Set advanced operation modes. */ 1014 cue_csr_write_1(sc, CUE_ADVANCED_OPMODES, 1015 CUE_AOP_EMBED_RXLEN | 0x01); /* 1 wait state */ 1016 1017 /* Program the LED operation. */ 1018 cue_csr_write_1(sc, CUE_LEDCTL, CUE_LEDCTL_FOLLOW_LINK); 1019 1020 if (sc->cue_ep[CUE_ENDPT_RX] == NULL) { 1021 if (cue_open_pipes(sc)) { 1022 splx(s); 1023 return (EIO); 1024 } 1025 } 1026 1027 /* Init TX ring. */ 1028 if ((i = usb_ether_tx_list_init(USBDEV(sc->cue_dev), 1029 sc->cue_cdata.cue_tx_chain, CUE_TX_LIST_CNT, 1030 sc->cue_udev, sc->cue_ep[CUE_ENDPT_TX], NULL))) { 1031 printf("%s: tx list init failed\n", USBDEVNAME(sc->cue_dev)); 1032 splx(s); 1033 return (i); 1034 } 1035 1036 /* Init RX ring. */ 1037 if ((i = usb_ether_rx_list_init(USBDEV(sc->cue_dev), 1038 sc->cue_cdata.cue_rx_chain, CUE_RX_LIST_CNT, 1039 sc->cue_udev, sc->cue_ep[CUE_ENDPT_RX]))) { 1040 printf("%s: rx list init failed\n", USBDEVNAME(sc->cue_dev)); 1041 splx(s); 1042 return (i); 1043 } 1044 1045 /* Start up the receive pipe. */ 1046 for (i = 0; i < CUE_RX_LIST_CNT; i++) { 1047 c = &sc->cue_cdata.cue_rx_chain[i]; 1048 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 1049 usbd_setup_xfer(c->ue_xfer, sc->cue_ep[CUE_ENDPT_RX], 1050 c, NULL /* XXX buf */, CUE_BUFSZ, 1051 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1052 cue_rxeof); 1053 usbd_transfer(c->ue_xfer); 1054 } 1055 1056 ifp->if_flags |= IFF_RUNNING; 1057 ifp->if_flags &= ~IFF_OACTIVE; 1058 1059 splx(s); 1060 1061 usb_callout(sc->cue_stat_ch, hz, cue_tick, sc); 1062 1063 return (0); 1064 } 1065 1066 Static int 1067 cue_open_pipes(struct cue_softc *sc) 1068 { 1069 usbd_status err; 1070 1071 /* Open RX and TX pipes. */ 1072 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_RX], 1073 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_RX]); 1074 if (err) { 1075 printf("%s: open rx pipe failed: %s\n", 1076 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1077 return (EIO); 1078 } 1079 err = usbd_open_pipe(sc->cue_iface, sc->cue_ed[CUE_ENDPT_TX], 1080 USBD_EXCLUSIVE_USE, &sc->cue_ep[CUE_ENDPT_TX]); 1081 if (err) { 1082 printf("%s: open tx pipe failed: %s\n", 1083 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1084 return (EIO); 1085 } 1086 1087 return (0); 1088 } 1089 1090 Static int 1091 cue_ioctl(struct ifnet *ifp, u_long command, usb_ioctlarg_t data) 1092 { 1093 struct cue_softc *sc = ifp->if_softc; 1094 #if 0 1095 struct ifaddr *ifa = (struct ifaddr *)data; 1096 struct ifreq *ifr = (struct ifreq *)data; 1097 #endif 1098 int s, error = 0; 1099 1100 if (sc->cue_dying) 1101 return (EIO); 1102 1103 s = splnet(); 1104 1105 switch(command) { 1106 #if 0 1107 case SIOCSIFADDR: 1108 ifp->if_flags |= IFF_UP; 1109 cue_init(ifp); 1110 1111 switch (ifa->ifa_addr->sa_family) { 1112 #ifdef INET 1113 case AF_INET: 1114 #if defined(__NetBSD__) 1115 arp_ifinit(ifp, ifa); 1116 #else 1117 arp_ifinit(&sc->arpcom, ifa); 1118 #endif 1119 break; 1120 #endif /* INET */ 1121 } 1122 break; 1123 1124 case SIOCSIFMTU: 1125 if (ifr->ifr_mtu > ETHERMTU) 1126 error = EINVAL; 1127 else 1128 ifp->if_mtu = ifr->ifr_mtu; 1129 break; 1130 #endif 1131 1132 case SIOCSIFFLAGS: 1133 if (ifp->if_flags & IFF_UP) { 1134 if (ifp->if_flags & IFF_RUNNING && 1135 ifp->if_flags & IFF_PROMISC && 1136 !(sc->cue_if_flags & IFF_PROMISC)) { 1137 CUE_SETBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1138 cue_setmulti(sc); 1139 } else if (ifp->if_flags & IFF_RUNNING && 1140 !(ifp->if_flags & IFF_PROMISC) && 1141 sc->cue_if_flags & IFF_PROMISC) { 1142 CUE_CLRBIT(sc, CUE_ETHCTL, CUE_ETHCTL_PROMISC); 1143 cue_setmulti(sc); 1144 } else if (!(ifp->if_flags & IFF_RUNNING)) 1145 cue_init(ifp); 1146 } else { 1147 if (ifp->if_flags & IFF_RUNNING) 1148 cue_stop(ifp, 0); 1149 } 1150 sc->cue_if_flags = ifp->if_flags; 1151 error = 0; 1152 break; 1153 #if 0 1154 case SIOCADDMULTI: 1155 case SIOCDELMULTI: 1156 cue_setmulti(sc); 1157 error = 0; 1158 break; 1159 #endif 1160 default: 1161 error = ether_ioctl(ifp, command, data); 1162 if (error == ENETRESET) { 1163 /* 1164 * Multicast list has changed; set the hardware 1165 * filter accordingly. 1166 */ 1167 if (ifp->if_flags & IFF_RUNNING) 1168 cue_setmulti(sc); 1169 error = 0; 1170 } 1171 break; 1172 } 1173 1174 splx(s); 1175 1176 return (error); 1177 } 1178 1179 Static void 1180 cue_watchdog(struct ifnet *ifp) 1181 { 1182 struct cue_softc *sc = ifp->if_softc; 1183 struct ue_chain *c; 1184 usbd_status stat; 1185 int s; 1186 1187 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1188 1189 if (sc->cue_dying) 1190 return; 1191 1192 ifp->if_oerrors++; 1193 printf("%s: watchdog timeout\n", USBDEVNAME(sc->cue_dev)); 1194 1195 s = splusb(); 1196 c = &sc->cue_cdata.cue_tx_chain[0]; 1197 usbd_get_xfer_status(c->ue_xfer, NULL, NULL, NULL, &stat); 1198 cue_txeof(c->ue_xfer, c, stat); 1199 1200 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1201 cue_start(ifp); 1202 splx(s); 1203 } 1204 1205 /* 1206 * Stop the adapter and free any mbufs allocated to the 1207 * RX and TX lists. 1208 */ 1209 Static void 1210 cue_stop(struct ifnet *ifp, int disable) 1211 { 1212 struct cue_softc *sc = ifp->if_softc; 1213 usbd_status err; 1214 1215 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->cue_dev),__func__)); 1216 1217 ifp = GET_IFP(sc); 1218 ifp->if_timer = 0; 1219 1220 cue_csr_write_1(sc, CUE_ETHCTL, 0); 1221 cue_reset(sc); 1222 usb_uncallout(sc->cue_stat_ch, cue_tick, sc); 1223 1224 /* Stop transfers. */ 1225 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1226 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1227 if (err) { 1228 printf("%s: abort rx pipe failed: %s\n", 1229 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1230 } 1231 } 1232 1233 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1234 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1235 if (err) { 1236 printf("%s: abort tx pipe failed: %s\n", 1237 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1238 } 1239 } 1240 1241 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1242 err = usbd_abort_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1243 if (err) { 1244 printf("%s: abort intr pipe failed: %s\n", 1245 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1246 } 1247 } 1248 1249 /* Free RX/TX resources. */ 1250 usb_ether_rx_list_free(sc->cue_cdata.cue_rx_chain, CUE_RX_LIST_CNT); 1251 usb_ether_tx_list_free(sc->cue_cdata.cue_tx_chain, CUE_TX_LIST_CNT); 1252 1253 /* Close pipes. */ 1254 if (sc->cue_ep[CUE_ENDPT_RX] != NULL) { 1255 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_RX]); 1256 if (err) { 1257 printf("%s: close rx pipe failed: %s\n", 1258 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1259 } 1260 sc->cue_ep[CUE_ENDPT_RX] = NULL; 1261 } 1262 if (sc->cue_ep[CUE_ENDPT_TX] != NULL) { 1263 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_TX]); 1264 if (err) { 1265 printf("%s: close tx pipe failed: %s\n", 1266 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1267 } 1268 sc->cue_ep[CUE_ENDPT_TX] = NULL; 1269 } 1270 if (sc->cue_ep[CUE_ENDPT_INTR] != NULL) { 1271 err = usbd_close_pipe(sc->cue_ep[CUE_ENDPT_INTR]); 1272 if (err) { 1273 printf("%s: close intr pipe failed: %s\n", 1274 USBDEVNAME(sc->cue_dev), usbd_errstr(err)); 1275 } 1276 sc->cue_ep[CUE_ENDPT_INTR] = NULL; 1277 } 1278 1279 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1280 } 1281
Indexes created Fri Oct 03 02:09:57 GMT 2025