if_upl.c revision 1.9.2.3
1 /* $NetBSD: if_upl.c,v 1.9.2.3 2000/12/13 15:50:13 bouyer 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 "opt_inet.h" 44 #include "opt_ns.h" 45 #include "bpfilter.h" 46 #include "rnd.h" 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/callout.h> 51 #include <sys/sockio.h> 52 #include <sys/mbuf.h> 53 #include <sys/malloc.h> 54 #include <sys/kernel.h> 55 #include <sys/socket.h> 56 57 #include <sys/device.h> 58 #if NRND > 0 59 #include <sys/rnd.h> 60 #endif 61 62 #include <net/if.h> 63 #include <net/if_types.h> 64 #include <net/if_dl.h> 65 #include <net/netisr.h> 66 67 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 68 69 #if NBPFILTER > 0 70 #include <net/bpf.h> 71 #endif 72 73 #ifdef INET 74 #include <netinet/in.h> 75 #include <netinet/in_var.h> 76 #include <netinet/if_inarp.h> 77 #else 78 #error upl without INET? 79 #endif 80 81 #ifdef NS 82 #include <netns/ns.h> 83 #include <netns/ns_if.h> 84 #endif 85 86 #include <dev/usb/usb.h> 87 #include <dev/usb/usbdi.h> 88 #include <dev/usb/usbdi_util.h> 89 #include <dev/usb/usbdevs.h> 90 91 /* 92 * 7 6 5 4 3 2 1 0 93 * tx rx 1 0 94 * 1110 0000 rxdata 95 * 1010 0000 idle 96 * 0010 0000 tx over 97 * 0110 tx over + rxd 98 */ 99 100 #define UPL_RXDATA 0x40 101 #define UPL_TXOK 0x80 102 103 #define UPL_INTR_PKTLEN 1 104 105 #define UPL_CONFIG_NO 1 106 #define UPL_IFACE_IDX 0 107 108 /***/ 109 110 #define UPL_INTR_INTERVAL 20 111 112 #define UPL_BUFSZ 1024 113 114 #define UPL_RX_FRAMES 1 115 #define UPL_TX_FRAMES 1 116 117 #define UPL_RX_LIST_CNT 1 118 #define UPL_TX_LIST_CNT 1 119 120 #define UPL_ENDPT_RX 0x0 121 #define UPL_ENDPT_TX 0x1 122 #define UPL_ENDPT_INTR 0x2 123 #define UPL_ENDPT_MAX 0x3 124 125 struct upl_type { 126 u_int16_t upl_vid; 127 u_int16_t upl_did; 128 }; 129 130 struct upl_softc; 131 132 struct upl_chain { 133 struct upl_softc *upl_sc; 134 usbd_xfer_handle upl_xfer; 135 char *upl_buf; 136 struct mbuf *upl_mbuf; 137 int upl_idx; 138 }; 139 140 struct upl_cdata { 141 struct upl_chain upl_tx_chain[UPL_TX_LIST_CNT]; 142 struct upl_chain upl_rx_chain[UPL_RX_LIST_CNT]; 143 int upl_tx_prod; 144 int upl_tx_cons; 145 int upl_tx_cnt; 146 int upl_rx_prod; 147 }; 148 149 struct upl_softc { 150 USBBASEDEVICE sc_dev; 151 152 struct ifnet sc_if; 153 #if NRND > 0 154 rndsource_element_t sc_rnd_source; 155 #endif 156 157 usb_callout_t sc_stat_ch; 158 159 usbd_device_handle sc_udev; 160 usbd_interface_handle sc_iface; 161 u_int16_t sc_vendor; 162 u_int16_t sc_product; 163 int sc_ed[UPL_ENDPT_MAX]; 164 usbd_pipe_handle sc_ep[UPL_ENDPT_MAX]; 165 struct upl_cdata sc_cdata; 166 167 uByte sc_ibuf; 168 169 char sc_dying; 170 char sc_attached; 171 u_int sc_rx_errs; 172 struct timeval sc_rx_notice; 173 u_int sc_intr_errs; 174 }; 175 176 #ifdef UPL_DEBUG 177 #define DPRINTF(x) if (upldebug) logprintf x 178 #define DPRINTFN(n,x) if (upldebug >= (n)) logprintf x 179 int upldebug = 0; 180 #else 181 #define DPRINTF(x) 182 #define DPRINTFN(n,x) 183 #endif 184 185 /* 186 * Various supported device vendors/products. 187 */ 188 Static struct upl_type sc_devs[] = { 189 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2301 }, 190 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2302 }, 191 { 0, 0 } 192 }; 193 194 USB_DECLARE_DRIVER(upl); 195 196 Static int upl_openpipes(struct upl_softc *); 197 Static int upl_tx_list_init(struct upl_softc *); 198 Static int upl_rx_list_init(struct upl_softc *); 199 Static int upl_newbuf(struct upl_softc *, struct upl_chain *, struct mbuf *); 200 Static int upl_send(struct upl_softc *, struct mbuf *, int); 201 Static void upl_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 202 Static void upl_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 203 Static void upl_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 204 Static void upl_start(struct ifnet *); 205 Static int upl_ioctl(struct ifnet *, u_long, caddr_t); 206 Static void upl_init(void *); 207 Static void upl_stop(struct upl_softc *); 208 Static void upl_watchdog(struct ifnet *); 209 210 Static int upl_output(struct ifnet *, struct mbuf *, struct sockaddr *, 211 struct rtentry *); 212 Static void upl_input(struct ifnet *, struct mbuf *); 213 214 /* 215 * Probe for a Prolific chip. 216 */ 217 USB_MATCH(upl) 218 { 219 USB_MATCH_START(upl, uaa); 220 struct upl_type *t; 221 222 if (uaa->iface != NULL) 223 return (UMATCH_NONE); 224 225 for (t = sc_devs; t->upl_vid != 0; t++) 226 if (uaa->vendor == t->upl_vid && uaa->product == t->upl_did) 227 return (UMATCH_VENDOR_PRODUCT); 228 229 return (UMATCH_NONE); 230 } 231 232 USB_ATTACH(upl) 233 { 234 USB_ATTACH_START(upl, sc, uaa); 235 char devinfo[1024]; 236 int s; 237 usbd_device_handle dev = uaa->device; 238 usbd_interface_handle iface; 239 usbd_status err; 240 struct ifnet *ifp; 241 usb_interface_descriptor_t *id; 242 usb_endpoint_descriptor_t *ed; 243 int i; 244 245 DPRINTFN(5,(" : upl_attach: sc=%p, dev=%p", sc, dev)); 246 247 usbd_devinfo(dev, 0, devinfo); 248 USB_ATTACH_SETUP; 249 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); 250 251 err = usbd_set_config_no(dev, UPL_CONFIG_NO, 1); 252 if (err) { 253 printf("%s: setting config no failed\n", 254 USBDEVNAME(sc->sc_dev)); 255 USB_ATTACH_ERROR_RETURN; 256 } 257 258 sc->sc_udev = dev; 259 sc->sc_product = uaa->product; 260 sc->sc_vendor = uaa->vendor; 261 262 err = usbd_device2interface_handle(dev, UPL_IFACE_IDX, &iface); 263 if (err) { 264 printf("%s: getting interface handle failed\n", 265 USBDEVNAME(sc->sc_dev)); 266 USB_ATTACH_ERROR_RETURN; 267 } 268 269 sc->sc_iface = iface; 270 id = usbd_get_interface_descriptor(iface); 271 272 /* Find endpoints. */ 273 for (i = 0; i < id->bNumEndpoints; i++) { 274 ed = usbd_interface2endpoint_descriptor(iface, i); 275 if (ed == NULL) { 276 printf("%s: couldn't get ep %d\n", 277 USBDEVNAME(sc->sc_dev), i); 278 USB_ATTACH_ERROR_RETURN; 279 } 280 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 281 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 282 sc->sc_ed[UPL_ENDPT_RX] = ed->bEndpointAddress; 283 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 284 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 285 sc->sc_ed[UPL_ENDPT_TX] = ed->bEndpointAddress; 286 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 287 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 288 sc->sc_ed[UPL_ENDPT_INTR] = ed->bEndpointAddress; 289 } 290 } 291 292 if (sc->sc_ed[UPL_ENDPT_RX] == 0 || sc->sc_ed[UPL_ENDPT_TX] == 0 || 293 sc->sc_ed[UPL_ENDPT_INTR] == 0) { 294 printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev)); 295 USB_ATTACH_ERROR_RETURN; 296 } 297 298 s = splimp(); 299 300 /* Initialize interface info.*/ 301 ifp = &sc->sc_if; 302 ifp->if_softc = sc; 303 ifp->if_mtu = UPL_BUFSZ; 304 ifp->if_flags = IFF_POINTOPOINT | IFF_NOARP | IFF_SIMPLEX; 305 ifp->if_ioctl = upl_ioctl; 306 ifp->if_start = upl_start; 307 ifp->if_watchdog = upl_watchdog; 308 strncpy(ifp->if_xname, USBDEVNAME(sc->sc_dev), IFNAMSIZ); 309 310 ifp->if_type = IFT_OTHER; 311 ifp->if_addrlen = 0; 312 ifp->if_hdrlen = 0; 313 ifp->if_output = upl_output; 314 ifp->if_input = upl_input; 315 ifp->if_baudrate = 12000000; 316 317 /* Attach the interface. */ 318 if_attach(ifp); 319 320 #if NBPFILTER > 0 321 bpfattach(ifp, DLT_EN10MB, 0); 322 #endif 323 #if NRND > 0 324 rnd_attach_source(&sc->sc_rnd_source, USBDEVNAME(sc->sc_dev), 325 RND_TYPE_NET, 0); 326 #endif 327 328 sc->sc_attached = 1; 329 splx(s); 330 331 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 332 USBDEV(sc->sc_dev)); 333 334 USB_ATTACH_SUCCESS_RETURN; 335 } 336 337 USB_DETACH(upl) 338 { 339 USB_DETACH_START(upl, sc); 340 struct ifnet *ifp = &sc->sc_if; 341 int s; 342 343 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 344 345 s = splusb(); 346 347 if (!sc->sc_attached) { 348 /* Detached before attached finished, so just bail out. */ 349 splx(s); 350 return (0); 351 } 352 353 if (ifp->if_flags & IFF_RUNNING) 354 upl_stop(sc); 355 356 #if NRND > 0 357 rnd_detach_source(&sc->sc_rnd_source); 358 #endif 359 #if NBPFILTER > 0 360 bpfdetach(ifp); 361 #endif 362 363 if_detach(ifp); 364 365 #ifdef DIAGNOSTIC 366 if (sc->sc_ep[UPL_ENDPT_TX] != NULL || 367 sc->sc_ep[UPL_ENDPT_RX] != NULL || 368 sc->sc_ep[UPL_ENDPT_INTR] != NULL) 369 printf("%s: detach has active endpoints\n", 370 USBDEVNAME(sc->sc_dev)); 371 #endif 372 373 sc->sc_attached = 0; 374 splx(s); 375 376 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 377 USBDEV(sc->sc_dev)); 378 379 return (0); 380 } 381 382 int 383 upl_activate(device_ptr_t self, enum devact act) 384 { 385 struct upl_softc *sc = (struct upl_softc *)self; 386 387 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 388 389 switch (act) { 390 case DVACT_ACTIVATE: 391 return (EOPNOTSUPP); 392 break; 393 394 case DVACT_DEACTIVATE: 395 /* Deactivate the interface. */ 396 if_deactivate(&sc->sc_if); 397 sc->sc_dying = 1; 398 break; 399 } 400 return (0); 401 } 402 403 /* 404 * Initialize an RX descriptor and attach an MBUF cluster. 405 */ 406 Static int 407 upl_newbuf(struct upl_softc *sc, struct upl_chain *c, struct mbuf *m) 408 { 409 struct mbuf *m_new = NULL; 410 411 DPRINTFN(8,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 412 413 if (m == NULL) { 414 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 415 if (m_new == NULL) { 416 printf("%s: no memory for rx list " 417 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 418 return (ENOBUFS); 419 } 420 421 MCLGET(m_new, M_DONTWAIT); 422 if (!(m_new->m_flags & M_EXT)) { 423 printf("%s: no memory for rx list " 424 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 425 m_freem(m_new); 426 return (ENOBUFS); 427 } 428 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 429 } else { 430 m_new = m; 431 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 432 m_new->m_data = m_new->m_ext.ext_buf; 433 } 434 435 c->upl_mbuf = m_new; 436 437 return (0); 438 } 439 440 Static int 441 upl_rx_list_init(struct upl_softc *sc) 442 { 443 struct upl_cdata *cd; 444 struct upl_chain *c; 445 int i; 446 447 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 448 449 cd = &sc->sc_cdata; 450 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 451 c = &cd->upl_rx_chain[i]; 452 c->upl_sc = sc; 453 c->upl_idx = i; 454 if (upl_newbuf(sc, c, NULL) == ENOBUFS) 455 return (ENOBUFS); 456 if (c->upl_xfer == NULL) { 457 c->upl_xfer = usbd_alloc_xfer(sc->sc_udev); 458 if (c->upl_xfer == NULL) 459 return (ENOBUFS); 460 c->upl_buf = usbd_alloc_buffer(c->upl_xfer, UPL_BUFSZ); 461 if (c->upl_buf == NULL) { 462 usbd_free_xfer(c->upl_xfer); 463 return (ENOBUFS); 464 } 465 } 466 } 467 468 return (0); 469 } 470 471 Static int 472 upl_tx_list_init(struct upl_softc *sc) 473 { 474 struct upl_cdata *cd; 475 struct upl_chain *c; 476 int i; 477 478 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 479 480 cd = &sc->sc_cdata; 481 for (i = 0; i < UPL_TX_LIST_CNT; i++) { 482 c = &cd->upl_tx_chain[i]; 483 c->upl_sc = sc; 484 c->upl_idx = i; 485 c->upl_mbuf = NULL; 486 if (c->upl_xfer == NULL) { 487 c->upl_xfer = usbd_alloc_xfer(sc->sc_udev); 488 if (c->upl_xfer == NULL) 489 return (ENOBUFS); 490 c->upl_buf = usbd_alloc_buffer(c->upl_xfer, UPL_BUFSZ); 491 if (c->upl_buf == NULL) { 492 usbd_free_xfer(c->upl_xfer); 493 return (ENOBUFS); 494 } 495 } 496 } 497 498 return (0); 499 } 500 501 /* 502 * A frame has been uploaded: pass the resulting mbuf chain up to 503 * the higher level protocols. 504 */ 505 Static void 506 upl_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 507 { 508 struct upl_chain *c = priv; 509 struct upl_softc *sc = c->upl_sc; 510 struct ifnet *ifp = &sc->sc_if; 511 struct mbuf *m; 512 int total_len = 0; 513 int s; 514 515 if (sc->sc_dying) 516 return; 517 518 if (!(ifp->if_flags & IFF_RUNNING)) 519 return; 520 521 if (status != USBD_NORMAL_COMPLETION) { 522 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 523 return; 524 sc->sc_rx_errs++; 525 if (usbd_ratecheck(&sc->sc_rx_notice)) { 526 printf("%s: %u usb errors on rx: %s\n", 527 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 528 usbd_errstr(status)); 529 sc->sc_rx_errs = 0; 530 } 531 if (status == USBD_STALLED) 532 usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_RX]); 533 goto done; 534 } 535 536 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 537 538 DPRINTFN(9,("%s: %s: enter status=%d length=%d\n", 539 USBDEVNAME(sc->sc_dev), __FUNCTION__, status, total_len)); 540 541 m = c->upl_mbuf; 542 memcpy(mtod(c->upl_mbuf, char *), c->upl_buf, total_len); 543 544 ifp->if_ipackets++; 545 m->m_pkthdr.len = m->m_len = total_len; 546 547 m->m_pkthdr.rcvif = ifp; 548 549 s = splimp(); 550 551 /* XXX ugly */ 552 if (upl_newbuf(sc, c, NULL) == ENOBUFS) { 553 ifp->if_ierrors++; 554 goto done1; 555 } 556 557 #if NBPFILTER > 0 558 /* 559 * Handle BPF listeners. Let the BPF user see the packet, but 560 * don't pass it up to the ether_input() layer unless it's 561 * a broadcast packet, multicast packet, matches our ethernet 562 * address or the interface is in promiscuous mode. 563 */ 564 if (ifp->if_bpf) { 565 BPF_MTAP(ifp, m); 566 } 567 #endif 568 569 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 570 __FUNCTION__, m->m_len)); 571 572 IF_INPUT(ifp, m); 573 574 done1: 575 splx(s); 576 577 done: 578 #if 1 579 /* Setup new transfer. */ 580 usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_RX], 581 c, c->upl_buf, UPL_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 582 USBD_NO_TIMEOUT, upl_rxeof); 583 usbd_transfer(c->upl_xfer); 584 585 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), 586 __FUNCTION__)); 587 #endif 588 } 589 590 /* 591 * A frame was downloaded to the chip. It's safe for us to clean up 592 * the list buffers. 593 */ 594 Static void 595 upl_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 596 { 597 struct upl_chain *c = priv; 598 struct upl_softc *sc = c->upl_sc; 599 struct ifnet *ifp = &sc->sc_if; 600 int s; 601 602 if (sc->sc_dying) 603 return; 604 605 s = splimp(); 606 607 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->sc_dev), 608 __FUNCTION__, status)); 609 610 ifp->if_timer = 0; 611 ifp->if_flags &= ~IFF_OACTIVE; 612 613 if (status != USBD_NORMAL_COMPLETION) { 614 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 615 splx(s); 616 return; 617 } 618 ifp->if_oerrors++; 619 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 620 usbd_errstr(status)); 621 if (status == USBD_STALLED) 622 usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_TX]); 623 splx(s); 624 return; 625 } 626 627 ifp->if_opackets++; 628 629 m_freem(c->upl_mbuf); 630 c->upl_mbuf = NULL; 631 632 if (ifp->if_snd.ifq_head != NULL) 633 upl_start(ifp); 634 635 splx(s); 636 } 637 638 Static int 639 upl_send(struct upl_softc *sc, struct mbuf *m, int idx) 640 { 641 int total_len; 642 struct upl_chain *c; 643 usbd_status err; 644 645 c = &sc->sc_cdata.upl_tx_chain[idx]; 646 647 /* 648 * Copy the mbuf data into a contiguous buffer, leaving two 649 * bytes at the beginning to hold the frame length. 650 */ 651 m_copydata(m, 0, m->m_pkthdr.len, c->upl_buf); 652 c->upl_mbuf = m; 653 654 total_len = m->m_pkthdr.len; 655 656 DPRINTFN(10,("%s: %s: total_len=%d\n", 657 USBDEVNAME(sc->sc_dev), __FUNCTION__, total_len)); 658 659 usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_TX], 660 c, c->upl_buf, total_len, USBD_NO_COPY, USBD_DEFAULT_TIMEOUT, 661 upl_txeof); 662 663 /* Transmit */ 664 err = usbd_transfer(c->upl_xfer); 665 if (err != USBD_IN_PROGRESS) { 666 printf("%s: upl_send error=%s\n", USBDEVNAME(sc->sc_dev), 667 usbd_errstr(err)); 668 upl_stop(sc); 669 return (EIO); 670 } 671 672 sc->sc_cdata.upl_tx_cnt++; 673 674 return (0); 675 } 676 677 Static void 678 upl_start(struct ifnet *ifp) 679 { 680 struct upl_softc *sc = ifp->if_softc; 681 struct mbuf *m_head = NULL; 682 683 if (sc->sc_dying) 684 return; 685 686 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 687 688 if (ifp->if_flags & IFF_OACTIVE) 689 return; 690 691 IF_DEQUEUE(&ifp->if_snd, m_head); 692 if (m_head == NULL) 693 return; 694 695 if (upl_send(sc, m_head, 0)) { 696 IF_PREPEND(&ifp->if_snd, m_head); 697 ifp->if_flags |= IFF_OACTIVE; 698 return; 699 } 700 701 #if NBPFILTER > 0 702 /* 703 * If there's a BPF listener, bounce a copy of this frame 704 * to him. 705 */ 706 if (ifp->if_bpf) 707 BPF_MTAP(ifp, m_head); 708 #endif 709 710 ifp->if_flags |= IFF_OACTIVE; 711 712 /* 713 * Set a timeout in case the chip goes out to lunch. 714 */ 715 ifp->if_timer = 5; 716 } 717 718 Static void 719 upl_init(void *xsc) 720 { 721 struct upl_softc *sc = xsc; 722 struct ifnet *ifp = &sc->sc_if; 723 int s; 724 725 if (sc->sc_dying) 726 return; 727 728 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 729 730 if (ifp->if_flags & IFF_RUNNING) 731 return; 732 733 s = splimp(); 734 735 /* Init TX ring. */ 736 if (upl_tx_list_init(sc) == ENOBUFS) { 737 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 738 splx(s); 739 return; 740 } 741 742 /* Init RX ring. */ 743 if (upl_rx_list_init(sc) == ENOBUFS) { 744 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 745 splx(s); 746 return; 747 } 748 749 if (sc->sc_ep[UPL_ENDPT_RX] == NULL) { 750 if (upl_openpipes(sc)) { 751 splx(s); 752 return; 753 } 754 } 755 756 ifp->if_flags |= IFF_RUNNING; 757 ifp->if_flags &= ~IFF_OACTIVE; 758 759 splx(s); 760 } 761 762 Static int 763 upl_openpipes(struct upl_softc *sc) 764 { 765 struct upl_chain *c; 766 usbd_status err; 767 int i; 768 769 /* Open RX and TX pipes. */ 770 err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_RX], 771 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_RX]); 772 if (err) { 773 printf("%s: open rx pipe failed: %s\n", 774 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 775 return (EIO); 776 } 777 err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_TX], 778 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_TX]); 779 if (err) { 780 printf("%s: open tx pipe failed: %s\n", 781 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 782 return (EIO); 783 } 784 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ed[UPL_ENDPT_INTR], 785 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_INTR], sc, 786 &sc->sc_ibuf, UPL_INTR_PKTLEN, upl_intr, 787 UPL_INTR_INTERVAL); 788 if (err) { 789 printf("%s: open intr pipe failed: %s\n", 790 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 791 return (EIO); 792 } 793 794 795 #if 1 796 /* Start up the receive pipe. */ 797 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 798 c = &sc->sc_cdata.upl_rx_chain[i]; 799 usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_RX], 800 c, c->upl_buf, UPL_BUFSZ, 801 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 802 upl_rxeof); 803 usbd_transfer(c->upl_xfer); 804 } 805 #endif 806 807 return (0); 808 } 809 810 Static void 811 upl_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 812 { 813 struct upl_softc *sc = priv; 814 struct ifnet *ifp = &sc->sc_if; 815 uByte stat; 816 817 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 818 819 if (sc->sc_dying) 820 return; 821 822 if (!(ifp->if_flags & IFF_RUNNING)) 823 return; 824 825 if (status != USBD_NORMAL_COMPLETION) { 826 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 827 return; 828 } 829 sc->sc_intr_errs++; 830 if (usbd_ratecheck(&sc->sc_rx_notice)) { 831 printf("%s: %u usb errors on intr: %s\n", 832 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 833 usbd_errstr(status)); 834 sc->sc_intr_errs = 0; 835 } 836 if (status == USBD_STALLED) 837 usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_RX]); 838 return; 839 } 840 841 stat = sc->sc_ibuf; 842 843 if (stat == 0) 844 return; 845 846 DPRINTFN(10,("%s: %s: stat=0x%02x\n", USBDEVNAME(sc->sc_dev), 847 __FUNCTION__, stat)); 848 849 } 850 851 Static int 852 upl_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 853 { 854 struct upl_softc *sc = ifp->if_softc; 855 struct ifaddr *ifa = (struct ifaddr *)data; 856 struct ifreq *ifr = (struct ifreq *)data; 857 int s, error = 0; 858 859 if (sc->sc_dying) 860 return (EIO); 861 862 DPRINTFN(5,("%s: %s: cmd=0x%08lx\n", 863 USBDEVNAME(sc->sc_dev), __FUNCTION__, command)); 864 865 s = splimp(); 866 867 switch(command) { 868 case SIOCSIFADDR: 869 ifp->if_flags |= IFF_UP; 870 upl_init(sc); 871 872 switch (ifa->ifa_addr->sa_family) { 873 #ifdef INET 874 case AF_INET: 875 break; 876 #endif /* INET */ 877 #ifdef NS 878 case AF_NS: 879 { 880 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 881 882 if (ns_nullhost(*ina)) 883 ina->x_host = *(union ns_host *) 884 LLADDR(ifp->if_sadl); 885 else 886 memcpy(LLADDR(ifp->if_sadl), 887 ina->x_host.c_host, 888 ifp->if_addrlen); 889 break; 890 } 891 #endif /* NS */ 892 } 893 break; 894 895 case SIOCSIFMTU: 896 if (ifr->ifr_mtu > UPL_BUFSZ) 897 error = EINVAL; 898 else 899 ifp->if_mtu = ifr->ifr_mtu; 900 break; 901 902 case SIOCSIFFLAGS: 903 if (ifp->if_flags & IFF_UP) { 904 if (!(ifp->if_flags & IFF_RUNNING)) 905 upl_init(sc); 906 } else { 907 if (ifp->if_flags & IFF_RUNNING) 908 upl_stop(sc); 909 } 910 error = 0; 911 break; 912 default: 913 error = EINVAL; 914 break; 915 } 916 917 splx(s); 918 919 return (error); 920 } 921 922 Static void 923 upl_watchdog(struct ifnet *ifp) 924 { 925 struct upl_softc *sc = ifp->if_softc; 926 927 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 928 929 if (sc->sc_dying) 930 return; 931 932 ifp->if_oerrors++; 933 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 934 935 upl_stop(sc); 936 upl_init(sc); 937 938 if (ifp->if_snd.ifq_head != NULL) 939 upl_start(ifp); 940 } 941 942 /* 943 * Stop the adapter and free any mbufs allocated to the 944 * RX and TX lists. 945 */ 946 Static void 947 upl_stop(struct upl_softc *sc) 948 { 949 usbd_status err; 950 struct ifnet *ifp; 951 int i; 952 953 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 954 955 ifp = &sc->sc_if; 956 ifp->if_timer = 0; 957 958 /* Stop transfers. */ 959 if (sc->sc_ep[UPL_ENDPT_RX] != NULL) { 960 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_RX]); 961 if (err) { 962 printf("%s: abort rx pipe failed: %s\n", 963 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 964 } 965 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_RX]); 966 if (err) { 967 printf("%s: close rx pipe failed: %s\n", 968 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 969 } 970 sc->sc_ep[UPL_ENDPT_RX] = NULL; 971 } 972 973 if (sc->sc_ep[UPL_ENDPT_TX] != NULL) { 974 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_TX]); 975 if (err) { 976 printf("%s: abort tx pipe failed: %s\n", 977 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 978 } 979 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_TX]); 980 if (err) { 981 printf("%s: close tx pipe failed: %s\n", 982 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 983 } 984 sc->sc_ep[UPL_ENDPT_TX] = NULL; 985 } 986 987 if (sc->sc_ep[UPL_ENDPT_INTR] != NULL) { 988 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_INTR]); 989 if (err) { 990 printf("%s: abort intr pipe failed: %s\n", 991 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 992 } 993 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_INTR]); 994 if (err) { 995 printf("%s: close intr pipe failed: %s\n", 996 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 997 } 998 sc->sc_ep[UPL_ENDPT_INTR] = NULL; 999 } 1000 1001 /* Free RX resources. */ 1002 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 1003 if (sc->sc_cdata.upl_rx_chain[i].upl_mbuf != NULL) { 1004 m_freem(sc->sc_cdata.upl_rx_chain[i].upl_mbuf); 1005 sc->sc_cdata.upl_rx_chain[i].upl_mbuf = NULL; 1006 } 1007 if (sc->sc_cdata.upl_rx_chain[i].upl_xfer != NULL) { 1008 usbd_free_xfer(sc->sc_cdata.upl_rx_chain[i].upl_xfer); 1009 sc->sc_cdata.upl_rx_chain[i].upl_xfer = NULL; 1010 } 1011 } 1012 1013 /* Free TX resources. */ 1014 for (i = 0; i < UPL_TX_LIST_CNT; i++) { 1015 if (sc->sc_cdata.upl_tx_chain[i].upl_mbuf != NULL) { 1016 m_freem(sc->sc_cdata.upl_tx_chain[i].upl_mbuf); 1017 sc->sc_cdata.upl_tx_chain[i].upl_mbuf = NULL; 1018 } 1019 if (sc->sc_cdata.upl_tx_chain[i].upl_xfer != NULL) { 1020 usbd_free_xfer(sc->sc_cdata.upl_tx_chain[i].upl_xfer); 1021 sc->sc_cdata.upl_tx_chain[i].upl_xfer = NULL; 1022 } 1023 } 1024 1025 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1026 } 1027 1028 Static int 1029 upl_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, 1030 struct rtentry *rt0) 1031 { 1032 int s; 1033 1034 DPRINTFN(10,("%s: %s: enter\n", 1035 USBDEVNAME(((struct upl_softc *)ifp->if_softc)->sc_dev), 1036 __FUNCTION__)); 1037 1038 s = splimp(); 1039 /* 1040 * Queue message on interface, and start output if interface 1041 * not yet active. 1042 */ 1043 if (IF_QFULL(&ifp->if_snd)) { 1044 IF_DROP(&ifp->if_snd); 1045 splx(s); 1046 return (ENOBUFS); 1047 } 1048 ifp->if_obytes += m->m_pkthdr.len; 1049 IF_ENQUEUE(&ifp->if_snd, m); 1050 if ((ifp->if_flags & IFF_OACTIVE) == 0) 1051 (*ifp->if_start)(ifp); 1052 splx(s); 1053 1054 return (0); 1055 } 1056 1057 Static void 1058 upl_input(struct ifnet *ifp, struct mbuf *m) 1059 { 1060 struct ifqueue *inq; 1061 int s; 1062 1063 /* XXX Assume all traffic is IP */ 1064 1065 schednetisr(NETISR_IP); 1066 inq = &ipintrq; 1067 1068 s = splimp(); 1069 if (IF_QFULL(inq)) { 1070 IF_DROP(inq); 1071 splx(s); 1072 #if 0 1073 if (sc->sc_flags & SC_DEBUG) 1074 printf("%s: input queue full\n", ifp->if_xname); 1075 #endif 1076 ifp->if_iqdrops++; 1077 return; 1078 } 1079 IF_ENQUEUE(inq, m); 1080 splx(s); 1081 ifp->if_ipackets++; 1082 ifp->if_ibytes += m->m_len; 1083 ifp->if_lastchange = time; 1084 } 1085
Indexes created Tue Sep 30 07:10:03 GMT 2025