if_upl.c revision 1.27.4.3
1 /* $NetBSD: if_upl.c,v 1.27.4.3 2007/06/17 00:57:36 itohy Exp $ */ 2 /* 3 * Copyright (c) 2000 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Lennart Augustsson (lennart (at) augustsson.net) at 8 * Carlstedt Research & Technology. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Prolific PL2301/PL2302 driver 41 */ 42 43 #include <sys/cdefs.h> 44 __KERNEL_RCSID(0, "$NetBSD: if_upl.c,v 1.27.4.3 2007/06/17 00:57:36 itohy Exp $"); 45 46 #include "opt_inet.h" 47 #include "bpfilter.h" 48 #include "rnd.h" 49 50 #include <sys/param.h> 51 #include <sys/systm.h> 52 #include <sys/callout.h> 53 #include <sys/sockio.h> 54 #include <sys/mbuf.h> 55 #include <sys/malloc.h> 56 #include <sys/kernel.h> 57 #include <sys/socket.h> 58 59 #include <sys/device.h> 60 #if NRND > 0 61 #include <sys/rnd.h> 62 #endif 63 64 #include <net/if.h> 65 #include <net/if_types.h> 66 #include <net/if_dl.h> 67 #include <net/netisr.h> 68 #include <net/if_ether.h> 69 70 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 71 72 #if NBPFILTER > 0 73 #include <net/bpf.h> 74 #endif 75 76 #ifdef INET 77 #include <netinet/in.h> 78 #include <netinet/in_var.h> 79 #include <netinet/if_inarp.h> 80 #endif 81 82 83 #include <dev/usb/usb.h> 84 #include <dev/usb/usbdi.h> 85 #include <dev/usb/usbdi_util.h> 86 #include <dev/usb/usbdevs.h> 87 #include <dev/usb/usb_ethersubr.h> 88 89 /* 90 * 7 6 5 4 3 2 1 0 91 * tx rx 1 0 92 * 1110 0000 rxdata 93 * 1010 0000 idle 94 * 0010 0000 tx over 95 * 0110 tx over + rxd 96 */ 97 98 #define UPL_RXDATA 0x40 99 #define UPL_TXOK 0x80 100 101 #define UPL_INTR_PKTLEN 1 102 103 #define UPL_CONFIG_NO 1 104 #define UPL_IFACE_IDX 0 105 106 /***/ 107 108 #define UPL_INTR_INTERVAL 20 109 110 #define UPL_BUFSZ 1024 111 112 #define UPL_RX_FRAMES 1 113 #define UPL_TX_FRAMES 1 114 115 #define UPL_RX_LIST_CNT 1 116 #define UPL_TX_LIST_CNT 1 117 118 #define UPL_ENDPT_RX 0x0 119 #define UPL_ENDPT_TX 0x1 120 #define UPL_ENDPT_INTR 0x2 121 #define UPL_ENDPT_MAX 0x3 122 123 struct upl_type { 124 u_int16_t upl_vid; 125 u_int16_t upl_did; 126 }; 127 128 struct upl_cdata { 129 struct ue_chain upl_tx_chain[UPL_TX_LIST_CNT]; 130 struct ue_chain upl_rx_chain[UPL_RX_LIST_CNT]; 131 int upl_tx_prod; 132 int upl_tx_cons; 133 int upl_tx_cnt; 134 int upl_rx_prod; 135 }; 136 137 struct upl_softc { 138 USBBASEDEVICE sc_dev; 139 140 struct ifnet sc_if; 141 #if NRND > 0 142 rndsource_element_t sc_rnd_source; 143 #endif 144 145 usb_callout_t sc_stat_ch; 146 147 usbd_device_handle sc_udev; 148 usbd_interface_handle sc_iface; 149 u_int16_t sc_vendor; 150 u_int16_t sc_product; 151 int sc_ed[UPL_ENDPT_MAX]; 152 usbd_pipe_handle sc_ep[UPL_ENDPT_MAX]; 153 struct upl_cdata sc_cdata; 154 155 uByte sc_ibuf; 156 157 char sc_dying; 158 char sc_attached; 159 u_int sc_rx_errs; 160 struct timeval sc_rx_notice; 161 u_int sc_intr_errs; 162 }; 163 164 #ifdef UPL_DEBUG 165 #define DPRINTF(x) if (upldebug) logprintf x 166 #define DPRINTFN(n,x) if (upldebug >= (n)) logprintf x 167 int upldebug = 0; 168 #else 169 #define DPRINTF(x) 170 #define DPRINTFN(n,x) 171 #endif 172 173 /* 174 * Various supported device vendors/products. 175 */ 176 Static struct upl_type sc_devs[] = { 177 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2301 }, 178 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2302 }, 179 { 0, 0 } 180 }; 181 182 USB_DECLARE_DRIVER(upl); 183 184 Static int upl_openpipes(struct upl_softc *); 185 Static int upl_send(struct upl_softc *, struct mbuf *, int); 186 Static void upl_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 187 Static void upl_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 188 Static void upl_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 189 Static void upl_start(struct ifnet *); 190 Static int upl_ioctl(struct ifnet *, u_long, usb_ioctlarg_t); 191 Static int upl_init(struct ifnet *); 192 Static void upl_stop(struct ifnet *, int); 193 Static void upl_watchdog(struct ifnet *); 194 195 Static int upl_output(struct ifnet *, struct mbuf *, const struct sockaddr *, 196 struct rtentry *); 197 Static void upl_input(struct ifnet *, struct mbuf *); 198 199 /* 200 * Probe for a Prolific chip. 201 */ 202 USB_MATCH(upl) 203 { 204 USB_MATCH_START(upl, uaa); 205 struct upl_type *t; 206 207 if (uaa->iface != NULL) 208 return (UMATCH_NONE); 209 210 for (t = sc_devs; t->upl_vid != 0; t++) 211 if (uaa->vendor == t->upl_vid && uaa->product == t->upl_did) 212 return (UMATCH_VENDOR_PRODUCT); 213 214 return (UMATCH_NONE); 215 } 216 217 USB_ATTACH(upl) 218 { 219 USB_ATTACH_START(upl, sc, uaa); 220 char *devinfop; 221 int s; 222 usbd_device_handle dev = uaa->device; 223 usbd_interface_handle iface; 224 usbd_status err; 225 struct ifnet *ifp; 226 usb_interface_descriptor_t *id; 227 usb_endpoint_descriptor_t *ed; 228 int i; 229 230 DPRINTFN(5,(" : upl_attach: sc=%p, dev=%p", sc, dev)); 231 232 devinfop = usbd_devinfo_alloc(dev, 0); 233 USB_ATTACH_SETUP; 234 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfop); 235 usbd_devinfo_free(devinfop); 236 237 err = usbd_set_config_no(dev, UPL_CONFIG_NO, 1); 238 if (err) { 239 printf("%s: setting config no failed\n", 240 USBDEVNAME(sc->sc_dev)); 241 USB_ATTACH_ERROR_RETURN; 242 } 243 244 sc->sc_udev = dev; 245 sc->sc_product = uaa->product; 246 sc->sc_vendor = uaa->vendor; 247 248 err = usbd_device2interface_handle(dev, UPL_IFACE_IDX, &iface); 249 if (err) { 250 printf("%s: getting interface handle failed\n", 251 USBDEVNAME(sc->sc_dev)); 252 USB_ATTACH_ERROR_RETURN; 253 } 254 255 sc->sc_iface = iface; 256 id = usbd_get_interface_descriptor(iface); 257 258 /* Find endpoints. */ 259 for (i = 0; i < id->bNumEndpoints; i++) { 260 ed = usbd_interface2endpoint_descriptor(iface, i); 261 if (ed == NULL) { 262 printf("%s: couldn't get ep %d\n", 263 USBDEVNAME(sc->sc_dev), i); 264 USB_ATTACH_ERROR_RETURN; 265 } 266 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 267 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 268 sc->sc_ed[UPL_ENDPT_RX] = ed->bEndpointAddress; 269 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 270 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 271 sc->sc_ed[UPL_ENDPT_TX] = ed->bEndpointAddress; 272 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 273 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 274 sc->sc_ed[UPL_ENDPT_INTR] = ed->bEndpointAddress; 275 } 276 } 277 278 if (sc->sc_ed[UPL_ENDPT_RX] == 0 || sc->sc_ed[UPL_ENDPT_TX] == 0 || 279 sc->sc_ed[UPL_ENDPT_INTR] == 0) { 280 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); 281 USB_ATTACH_ERROR_RETURN; 282 } 283 284 s = splnet(); 285 286 /* Initialize interface info.*/ 287 ifp = &sc->sc_if; 288 ifp->if_softc = sc; 289 ifp->if_mtu = UPL_BUFSZ; 290 ifp->if_flags = IFF_POINTOPOINT | IFF_NOARP | IFF_SIMPLEX; 291 ifp->if_ioctl = upl_ioctl; 292 ifp->if_start = upl_start; 293 ifp->if_init = upl_init; 294 ifp->if_stop = upl_stop; 295 ifp->if_watchdog = upl_watchdog; 296 strncpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); 297 298 ifp->if_type = IFT_OTHER; 299 ifp->if_addrlen = 0; 300 ifp->if_hdrlen = 0; 301 ifp->if_output = upl_output; 302 ifp->if_input = upl_input; 303 ifp->if_baudrate = 12000000; 304 ifp->if_dlt = DLT_RAW; 305 IFQ_SET_READY(&ifp->if_snd); 306 307 /* Attach the interface. */ 308 if_attach(ifp); 309 if_alloc_sadl(ifp); 310 311 #if NBPFILTER > 0 312 bpfattach(ifp, DLT_RAW, 0); 313 #endif 314 #if NRND > 0 315 rnd_attach_source(&sc->sc_rnd_source, USBDEVNAME(sc->sc_dev), 316 RND_TYPE_NET, 0); 317 #endif 318 319 sc->sc_attached = 1; 320 splx(s); 321 322 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 323 USBDEV(sc->sc_dev)); 324 325 USB_ATTACH_SUCCESS_RETURN; 326 } 327 328 USB_DETACH(upl) 329 { 330 USB_DETACH_START(upl, sc); 331 struct ifnet *ifp = &sc->sc_if; 332 int s; 333 334 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 335 336 s = splusb(); 337 338 if (!sc->sc_attached) { 339 /* Detached before attached finished, so just bail out. */ 340 splx(s); 341 return (0); 342 } 343 344 if (ifp->if_flags & IFF_RUNNING) 345 upl_stop(ifp, 1); 346 347 #if NRND > 0 348 rnd_detach_source(&sc->sc_rnd_source); 349 #endif 350 #if NBPFILTER > 0 351 bpfdetach(ifp); 352 #endif 353 354 if_detach(ifp); 355 356 #ifdef DIAGNOSTIC 357 if (sc->sc_ep[UPL_ENDPT_TX] != NULL || 358 sc->sc_ep[UPL_ENDPT_RX] != NULL || 359 sc->sc_ep[UPL_ENDPT_INTR] != NULL) 360 printf("%s: detach has active endpoints\n", 361 USBDEVNAME(sc->sc_dev)); 362 #endif 363 364 sc->sc_attached = 0; 365 splx(s); 366 367 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 368 USBDEV(sc->sc_dev)); 369 370 return (0); 371 } 372 373 int 374 upl_activate(device_ptr_t self, enum devact act) 375 { 376 struct upl_softc *sc = (struct upl_softc *)self; 377 378 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __func__)); 379 380 switch (act) { 381 case DVACT_ACTIVATE: 382 return (EOPNOTSUPP); 383 break; 384 385 case DVACT_DEACTIVATE: 386 /* Deactivate the interface. */ 387 if_deactivate(&sc->sc_if); 388 sc->sc_dying = 1; 389 break; 390 } 391 return (0); 392 } 393 394 /* 395 * A frame has been uploaded: pass the resulting mbuf chain up to 396 * the higher level protocols. 397 */ 398 Static void 399 upl_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 400 { 401 struct ue_chain *c = priv; 402 struct upl_softc *sc = (void *)c->ue_dev; 403 struct ifnet *ifp = &sc->sc_if; 404 struct mbuf *m; 405 int total_len = 0; 406 int s; 407 408 if (sc->sc_dying) 409 return; 410 411 if (!(ifp->if_flags & IFF_RUNNING)) 412 return; 413 414 usbd_unmap_buffer(xfer); 415 416 if (status != USBD_NORMAL_COMPLETION) { 417 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 418 return; 419 sc->sc_rx_errs++; 420 if (usbd_ratecheck(&sc->sc_rx_notice)) { 421 printf("%s: %u usb errors on rx: %s\n", 422 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 423 usbd_errstr(status)); 424 sc->sc_rx_errs = 0; 425 } 426 if (status == USBD_STALLED) 427 usbd_clear_endpoint_stall_async(sc->sc_ep[UPL_ENDPT_RX]); 428 goto done; 429 } 430 431 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 432 433 DPRINTFN(9,("%s: %s: enter status=%d length=%d\n", 434 USBDEVNAME(sc->sc_dev), __func__, status, total_len)); 435 436 m = c->ue_mbuf; 437 438 /* 439 * Allocate new mbuf cluster for the next transfer. 440 * If that failed, discard current packet and recycle the mbuf. 441 */ 442 if ((c->ue_mbuf = usb_ether_newbuf(NULL)) == NULL) { 443 printf("%s: no memory for rx list -- packet dropped!\n", 444 USBDEVNAME(sc->sc_dev)); 445 ifp->if_ierrors++; 446 c->ue_mbuf = usb_ether_newbuf(m); 447 goto done; 448 } 449 450 ifp->if_ipackets++; 451 m->m_pkthdr.len = m->m_len = total_len; 452 453 m->m_pkthdr.rcvif = ifp; 454 455 s = splnet(); 456 457 #if NBPFILTER > 0 458 /* 459 * Handle BPF listeners. Let the BPF user see the packet, but 460 * don't pass it up to the ether_input() layer unless it's 461 * a broadcast packet, multicast packet, matches our ethernet 462 * address or the interface is in promiscuous mode. 463 */ 464 if (ifp->if_bpf) { 465 BPF_MTAP(ifp, m); 466 } 467 #endif 468 469 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 470 __func__, m->m_len)); 471 472 IF_INPUT(ifp, m); 473 474 splx(s); 475 476 done: 477 #if 1 478 /* Setup new transfer. */ 479 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 480 usbd_setup_xfer(c->ue_xfer, sc->sc_ep[UPL_ENDPT_RX], 481 c, NULL /* XXX buf */, UPL_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 482 USBD_NO_TIMEOUT, upl_rxeof); 483 usbd_transfer(c->ue_xfer); 484 485 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), 486 __func__)); 487 #endif 488 } 489 490 /* 491 * A frame was downloaded to the chip. It's safe for us to clean up 492 * the list buffers. 493 */ 494 Static void 495 upl_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 496 usbd_status status) 497 { 498 struct ue_chain *c = priv; 499 struct upl_softc *sc = (void *)c->ue_dev; 500 struct ifnet *ifp = &sc->sc_if; 501 int s; 502 503 if (sc->sc_dying) 504 return; 505 506 s = splnet(); 507 508 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->sc_dev), 509 __func__, status)); 510 511 ifp->if_timer = 0; 512 ifp->if_flags &= ~IFF_OACTIVE; 513 514 usbd_unmap_buffer(xfer); 515 516 if (status != USBD_NORMAL_COMPLETION) { 517 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 518 splx(s); 519 return; 520 } 521 ifp->if_oerrors++; 522 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 523 usbd_errstr(status)); 524 if (status == USBD_STALLED) 525 usbd_clear_endpoint_stall_async(sc->sc_ep[UPL_ENDPT_TX]); 526 splx(s); 527 return; 528 } 529 530 ifp->if_opackets++; 531 532 m_freem(c->ue_mbuf); 533 c->ue_mbuf = NULL; 534 535 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 536 upl_start(ifp); 537 538 splx(s); 539 } 540 541 Static int 542 upl_send(struct upl_softc *sc, struct mbuf *m, int idx) 543 { 544 int total_len; 545 struct ue_chain *c; 546 usbd_status err; 547 int ret; 548 549 c = &sc->sc_cdata.upl_tx_chain[idx]; 550 551 ret = usb_ether_map_tx_buffer_mbuf(c, m); 552 if (ret) 553 return (ret); 554 555 total_len = m->m_pkthdr.len; 556 557 DPRINTFN(10,("%s: %s: total_len=%d\n", 558 USBDEVNAME(sc->sc_dev), __func__, total_len)); 559 560 usbd_setup_xfer(c->ue_xfer, sc->sc_ep[UPL_ENDPT_TX], 561 c, NULL /* XXX buf */, total_len, USBD_NO_COPY, USBD_DEFAULT_TIMEOUT, 562 upl_txeof); 563 564 /* Transmit */ 565 err = usbd_transfer(c->ue_xfer); 566 if (err != USBD_IN_PROGRESS) { 567 printf("%s: upl_send error=%s\n", USBDEVNAME(sc->sc_dev), 568 usbd_errstr(err)); 569 upl_stop(&sc->sc_if, 0); 570 return (EIO); 571 } 572 573 sc->sc_cdata.upl_tx_cnt++; 574 575 return (0); 576 } 577 578 Static void 579 upl_start(struct ifnet *ifp) 580 { 581 struct upl_softc *sc = ifp->if_softc; 582 struct mbuf *m_head = NULL; 583 584 if (sc->sc_dying) 585 return; 586 587 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 588 589 if (ifp->if_flags & IFF_OACTIVE) 590 return; 591 592 IFQ_POLL(&ifp->if_snd, m_head); 593 if (m_head == NULL) 594 return; 595 596 if (upl_send(sc, m_head, 0)) { 597 ifp->if_flags |= IFF_OACTIVE; 598 return; 599 } 600 601 IFQ_DEQUEUE(&ifp->if_snd, m_head); 602 603 #if NBPFILTER > 0 604 /* 605 * If there's a BPF listener, bounce a copy of this frame 606 * to him. 607 */ 608 if (ifp->if_bpf) 609 BPF_MTAP(ifp, m_head); 610 #endif 611 612 ifp->if_flags |= IFF_OACTIVE; 613 614 /* 615 * Set a timeout in case the chip goes out to lunch. 616 */ 617 ifp->if_timer = 5; 618 } 619 620 Static int 621 upl_init(struct ifnet *ifp) 622 { 623 struct upl_softc *sc = ifp->if_softc; 624 int s; 625 struct ue_chain *c; 626 int i; 627 628 if (sc->sc_dying) 629 return (EIO); 630 631 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 632 633 if (ifp->if_flags & IFF_RUNNING) 634 return (EIO); 635 636 s = splnet(); 637 638 if (sc->sc_ep[UPL_ENDPT_RX] == NULL) { 639 if (upl_openpipes(sc)) { 640 splx(s); 641 return (EIO); 642 } 643 } 644 645 /* Init TX ring. */ 646 if ((i = usb_ether_tx_list_init(USBDEV(sc->sc_dev), 647 sc->sc_cdata.upl_tx_chain, UPL_TX_LIST_CNT, 648 sc->sc_udev, sc->sc_ep[UPL_ENDPT_TX], NULL))) { 649 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 650 splx(s); 651 return (i); 652 } 653 654 /* Init RX ring. */ 655 if ((i = usb_ether_rx_list_init(USBDEV(sc->sc_dev), 656 sc->sc_cdata.upl_rx_chain, UPL_RX_LIST_CNT, 657 sc->sc_udev, sc->sc_ep[UPL_ENDPT_RX]))) { 658 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 659 splx(s); 660 return (i); 661 } 662 663 /* Start up the receive pipe. */ 664 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 665 c = &sc->sc_cdata.upl_rx_chain[i]; 666 (void)usbd_map_buffer_mbuf(c->ue_xfer, c->ue_mbuf); 667 usbd_setup_xfer(c->ue_xfer, sc->sc_ep[UPL_ENDPT_RX], 668 c, NULL /* XXX buf */, UPL_BUFSZ, 669 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 670 upl_rxeof); 671 usbd_transfer(c->ue_xfer); 672 } 673 674 ifp->if_flags |= IFF_RUNNING; 675 ifp->if_flags &= ~IFF_OACTIVE; 676 677 splx(s); 678 return (0); 679 } 680 681 Static int 682 upl_openpipes(struct upl_softc *sc) 683 { 684 usbd_status err; 685 686 /* Open RX and TX pipes. */ 687 err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_RX], 688 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_RX]); 689 if (err) { 690 printf("%s: open rx pipe failed: %s\n", 691 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 692 return (EIO); 693 } 694 err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_TX], 695 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_TX]); 696 if (err) { 697 printf("%s: open tx pipe failed: %s\n", 698 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 699 return (EIO); 700 } 701 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ed[UPL_ENDPT_INTR], 702 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_INTR], sc, 703 &sc->sc_ibuf, UPL_INTR_PKTLEN, upl_intr, 704 UPL_INTR_INTERVAL); 705 if (err) { 706 printf("%s: open intr pipe failed: %s\n", 707 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 708 return (EIO); 709 } 710 711 return (0); 712 } 713 714 Static void 715 upl_intr(usbd_xfer_handle xfer, usbd_private_handle priv, 716 usbd_status status) 717 { 718 struct upl_softc *sc = priv; 719 struct ifnet *ifp = &sc->sc_if; 720 uByte stat; 721 722 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 723 724 if (sc->sc_dying) 725 return; 726 727 if (!(ifp->if_flags & IFF_RUNNING)) 728 return; 729 730 if (status != USBD_NORMAL_COMPLETION) { 731 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 732 return; 733 } 734 sc->sc_intr_errs++; 735 if (usbd_ratecheck(&sc->sc_rx_notice)) { 736 printf("%s: %u usb errors on intr: %s\n", 737 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 738 usbd_errstr(status)); 739 sc->sc_intr_errs = 0; 740 } 741 if (status == USBD_STALLED) 742 usbd_clear_endpoint_stall_async(sc->sc_ep[UPL_ENDPT_RX]); 743 return; 744 } 745 746 stat = sc->sc_ibuf; 747 748 if (stat == 0) 749 return; 750 751 DPRINTFN(10,("%s: %s: stat=0x%02x\n", USBDEVNAME(sc->sc_dev), 752 __func__, stat)); 753 754 } 755 756 Static int 757 upl_ioctl(struct ifnet *ifp, u_long command, usb_ioctlarg_t data) 758 { 759 struct upl_softc *sc = ifp->if_softc; 760 #if 0 761 struct ifaddr *ifa = (struct ifaddr *)data; 762 struct ifreq *ifr = (struct ifreq *)data; 763 #endif 764 int s, error = 0; 765 766 if (sc->sc_dying) 767 return (EIO); 768 769 DPRINTFN(5,("%s: %s: cmd=0x%08lx\n", 770 USBDEVNAME(sc->sc_dev), __func__, command)); 771 772 s = splnet(); 773 774 switch(command) { 775 #if 0 776 case SIOCSIFADDR: 777 ifp->if_flags |= IFF_UP; 778 upl_init(ifp); 779 780 switch (ifa->ifa_addr->sa_family) { 781 #ifdef INET 782 case AF_INET: 783 break; 784 #endif /* INET */ 785 } 786 break; 787 788 case SIOCSIFMTU: 789 if (ifr->ifr_mtu > UPL_BUFSZ) 790 error = EINVAL; 791 else 792 ifp->if_mtu = ifr->ifr_mtu; 793 break; 794 795 case SIOCSIFFLAGS: 796 if (ifp->if_flags & IFF_UP) { 797 if (!(ifp->if_flags & IFF_RUNNING)) 798 upl_init(ifp); 799 } else { 800 if (ifp->if_flags & IFF_RUNNING) 801 upl_stop(ifp, 1); 802 } 803 error = 0; 804 break; 805 #endif 806 default: 807 error = ether_ioctl(ifp, command, data); 808 if (error == ENETRESET) { 809 /* 810 * Multicast list has changed; set the hardware 811 * filter accordingly. 812 */ 813 #if 0 /* XXX not yet */ 814 if (ifp->if_flags & IFF_RUNNING) 815 upl_setmulti(sc); 816 #endif 817 error = 0; 818 } 819 break; 820 } 821 822 splx(s); 823 824 return (error); 825 } 826 827 Static void 828 upl_watchdog(struct ifnet *ifp) 829 { 830 struct upl_softc *sc = ifp->if_softc; 831 832 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 833 834 if (sc->sc_dying) 835 return; 836 837 ifp->if_oerrors++; 838 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 839 840 upl_stop(ifp, 1); 841 upl_init(ifp); 842 843 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 844 upl_start(ifp); 845 } 846 847 /* 848 * Stop the adapter and free any mbufs allocated to the 849 * RX and TX lists. 850 */ 851 Static void 852 upl_stop(struct ifnet *ifp, int disable) 853 { 854 struct upl_softc *sc = ifp->if_softc; 855 usbd_status err; 856 857 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__func__)); 858 859 ifp = &sc->sc_if; 860 ifp->if_timer = 0; 861 862 /* Stop transfers. */ 863 if (sc->sc_ep[UPL_ENDPT_RX] != NULL) { 864 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_RX]); 865 if (err) { 866 printf("%s: abort rx pipe failed: %s\n", 867 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 868 } 869 } 870 871 if (sc->sc_ep[UPL_ENDPT_TX] != NULL) { 872 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_TX]); 873 if (err) { 874 printf("%s: abort tx pipe failed: %s\n", 875 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 876 } 877 } 878 879 if (sc->sc_ep[UPL_ENDPT_INTR] != NULL) { 880 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_INTR]); 881 if (err) { 882 printf("%s: abort intr pipe failed: %s\n", 883 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 884 } 885 } 886 887 /* Free RX/TX list resources. */ 888 usb_ether_rx_list_free(sc->sc_cdata.upl_rx_chain, UPL_RX_LIST_CNT); 889 usb_ether_tx_list_free(sc->sc_cdata.upl_tx_chain, UPL_TX_LIST_CNT); 890 891 /* Close pipes. */ 892 if (sc->sc_ep[UPL_ENDPT_RX] != NULL) { 893 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_RX]); 894 if (err) { 895 printf("%s: close rx pipe failed: %s\n", 896 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 897 } 898 sc->sc_ep[UPL_ENDPT_RX] = NULL; 899 } 900 901 if (sc->sc_ep[UPL_ENDPT_TX] != NULL) { 902 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_TX]); 903 if (err) { 904 printf("%s: close tx pipe failed: %s\n", 905 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 906 } 907 sc->sc_ep[UPL_ENDPT_TX] = NULL; 908 } 909 910 if (sc->sc_ep[UPL_ENDPT_INTR] != NULL) { 911 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_INTR]); 912 if (err) { 913 printf("%s: close intr pipe failed: %s\n", 914 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 915 } 916 sc->sc_ep[UPL_ENDPT_INTR] = NULL; 917 } 918 919 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 920 } 921 922 Static int 923 upl_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, 924 struct rtentry *rt0) 925 { 926 int s, len, error; 927 ALTQ_DECL(struct altq_pktattr pktattr;) 928 929 DPRINTFN(10,("%s: %s: enter\n", 930 USBDEVNAME(((struct upl_softc *)ifp->if_softc)->sc_dev), 931 __func__)); 932 933 /* 934 * if the queueing discipline needs packet classification, 935 * do it now. 936 */ 937 IFQ_CLASSIFY(&ifp->if_snd, m, dst->sa_family, &pktattr); 938 939 len = m->m_pkthdr.len; 940 s = splnet(); 941 /* 942 * Queue message on interface, and start output if interface 943 * not yet active. 944 */ 945 IFQ_ENQUEUE(&ifp->if_snd, m, &pktattr, error); 946 if (error) { 947 /* mbuf is already freed */ 948 splx(s); 949 return (error); 950 } 951 ifp->if_obytes += len; 952 if ((ifp->if_flags & IFF_OACTIVE) == 0) 953 (*ifp->if_start)(ifp); 954 splx(s); 955 956 return (0); 957 } 958 959 Static void 960 upl_input(struct ifnet *ifp, struct mbuf *m) 961 { 962 #ifdef INET 963 struct ifqueue *inq; 964 int s; 965 966 /* XXX Assume all traffic is IP */ 967 968 schednetisr(NETISR_IP); 969 inq = &ipintrq; 970 971 s = splnet(); 972 if (IF_QFULL(inq)) { 973 IF_DROP(inq); 974 splx(s); 975 #if 0 976 if (sc->sc_flags & SC_DEBUG) 977 printf("%s: input queue full\n", ifp->if_xname); 978 #endif 979 ifp->if_iqdrops++; 980 return; 981 } 982 IF_ENQUEUE(inq, m); 983 splx(s); 984 #endif 985 ifp->if_ipackets++; 986 ifp->if_ibytes += m->m_len; 987 } 988
Indexes created Tue Sep 30 11:09:46 GMT 2025