if_upl.c revision 1.9.2.5
1 /* $NetBSD: if_upl.c,v 1.9.2.5 2001/04/21 17:49:54 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 = splnet(); 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 ifp->if_dlt = DLT_RAW; 317 318 /* Attach the interface. */ 319 if_attach(ifp); 320 if_alloc_sadl(ifp); 321 322 #if NBPFILTER > 0 323 bpfattach(ifp, DLT_RAW, 0); 324 #endif 325 #if NRND > 0 326 rnd_attach_source(&sc->sc_rnd_source, USBDEVNAME(sc->sc_dev), 327 RND_TYPE_NET, 0); 328 #endif 329 330 sc->sc_attached = 1; 331 splx(s); 332 333 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 334 USBDEV(sc->sc_dev)); 335 336 USB_ATTACH_SUCCESS_RETURN; 337 } 338 339 USB_DETACH(upl) 340 { 341 USB_DETACH_START(upl, sc); 342 struct ifnet *ifp = &sc->sc_if; 343 int s; 344 345 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 346 347 s = splusb(); 348 349 if (!sc->sc_attached) { 350 /* Detached before attached finished, so just bail out. */ 351 splx(s); 352 return (0); 353 } 354 355 if (ifp->if_flags & IFF_RUNNING) 356 upl_stop(sc); 357 358 #if NRND > 0 359 rnd_detach_source(&sc->sc_rnd_source); 360 #endif 361 #if NBPFILTER > 0 362 bpfdetach(ifp); 363 #endif 364 365 if_detach(ifp); 366 367 #ifdef DIAGNOSTIC 368 if (sc->sc_ep[UPL_ENDPT_TX] != NULL || 369 sc->sc_ep[UPL_ENDPT_RX] != NULL || 370 sc->sc_ep[UPL_ENDPT_INTR] != NULL) 371 printf("%s: detach has active endpoints\n", 372 USBDEVNAME(sc->sc_dev)); 373 #endif 374 375 sc->sc_attached = 0; 376 splx(s); 377 378 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 379 USBDEV(sc->sc_dev)); 380 381 return (0); 382 } 383 384 int 385 upl_activate(device_ptr_t self, enum devact act) 386 { 387 struct upl_softc *sc = (struct upl_softc *)self; 388 389 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 390 391 switch (act) { 392 case DVACT_ACTIVATE: 393 return (EOPNOTSUPP); 394 break; 395 396 case DVACT_DEACTIVATE: 397 /* Deactivate the interface. */ 398 if_deactivate(&sc->sc_if); 399 sc->sc_dying = 1; 400 break; 401 } 402 return (0); 403 } 404 405 /* 406 * Initialize an RX descriptor and attach an MBUF cluster. 407 */ 408 Static int 409 upl_newbuf(struct upl_softc *sc, struct upl_chain *c, struct mbuf *m) 410 { 411 struct mbuf *m_new = NULL; 412 413 DPRINTFN(8,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 414 415 if (m == NULL) { 416 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 417 if (m_new == NULL) { 418 printf("%s: no memory for rx list " 419 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 420 return (ENOBUFS); 421 } 422 423 MCLGET(m_new, M_DONTWAIT); 424 if (!(m_new->m_flags & M_EXT)) { 425 printf("%s: no memory for rx list " 426 "-- packet dropped!\n", USBDEVNAME(sc->sc_dev)); 427 m_freem(m_new); 428 return (ENOBUFS); 429 } 430 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 431 } else { 432 m_new = m; 433 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 434 m_new->m_data = m_new->m_ext.ext_buf; 435 } 436 437 c->upl_mbuf = m_new; 438 439 return (0); 440 } 441 442 Static int 443 upl_rx_list_init(struct upl_softc *sc) 444 { 445 struct upl_cdata *cd; 446 struct upl_chain *c; 447 int i; 448 449 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 450 451 cd = &sc->sc_cdata; 452 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 453 c = &cd->upl_rx_chain[i]; 454 c->upl_sc = sc; 455 c->upl_idx = i; 456 if (upl_newbuf(sc, c, NULL) == ENOBUFS) 457 return (ENOBUFS); 458 if (c->upl_xfer == NULL) { 459 c->upl_xfer = usbd_alloc_xfer(sc->sc_udev); 460 if (c->upl_xfer == NULL) 461 return (ENOBUFS); 462 c->upl_buf = usbd_alloc_buffer(c->upl_xfer, UPL_BUFSZ); 463 if (c->upl_buf == NULL) { 464 usbd_free_xfer(c->upl_xfer); 465 return (ENOBUFS); 466 } 467 } 468 } 469 470 return (0); 471 } 472 473 Static int 474 upl_tx_list_init(struct upl_softc *sc) 475 { 476 struct upl_cdata *cd; 477 struct upl_chain *c; 478 int i; 479 480 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev), __FUNCTION__)); 481 482 cd = &sc->sc_cdata; 483 for (i = 0; i < UPL_TX_LIST_CNT; i++) { 484 c = &cd->upl_tx_chain[i]; 485 c->upl_sc = sc; 486 c->upl_idx = i; 487 c->upl_mbuf = NULL; 488 if (c->upl_xfer == NULL) { 489 c->upl_xfer = usbd_alloc_xfer(sc->sc_udev); 490 if (c->upl_xfer == NULL) 491 return (ENOBUFS); 492 c->upl_buf = usbd_alloc_buffer(c->upl_xfer, UPL_BUFSZ); 493 if (c->upl_buf == NULL) { 494 usbd_free_xfer(c->upl_xfer); 495 return (ENOBUFS); 496 } 497 } 498 } 499 500 return (0); 501 } 502 503 /* 504 * A frame has been uploaded: pass the resulting mbuf chain up to 505 * the higher level protocols. 506 */ 507 Static void 508 upl_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 509 { 510 struct upl_chain *c = priv; 511 struct upl_softc *sc = c->upl_sc; 512 struct ifnet *ifp = &sc->sc_if; 513 struct mbuf *m; 514 int total_len = 0; 515 int s; 516 517 if (sc->sc_dying) 518 return; 519 520 if (!(ifp->if_flags & IFF_RUNNING)) 521 return; 522 523 if (status != USBD_NORMAL_COMPLETION) { 524 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 525 return; 526 sc->sc_rx_errs++; 527 if (usbd_ratecheck(&sc->sc_rx_notice)) { 528 printf("%s: %u usb errors on rx: %s\n", 529 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 530 usbd_errstr(status)); 531 sc->sc_rx_errs = 0; 532 } 533 if (status == USBD_STALLED) 534 usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_RX]); 535 goto done; 536 } 537 538 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 539 540 DPRINTFN(9,("%s: %s: enter status=%d length=%d\n", 541 USBDEVNAME(sc->sc_dev), __FUNCTION__, status, total_len)); 542 543 m = c->upl_mbuf; 544 memcpy(mtod(c->upl_mbuf, char *), c->upl_buf, total_len); 545 546 ifp->if_ipackets++; 547 m->m_pkthdr.len = m->m_len = total_len; 548 549 m->m_pkthdr.rcvif = ifp; 550 551 s = splnet(); 552 553 /* XXX ugly */ 554 if (upl_newbuf(sc, c, NULL) == ENOBUFS) { 555 ifp->if_ierrors++; 556 goto done1; 557 } 558 559 #if NBPFILTER > 0 560 /* 561 * Handle BPF listeners. Let the BPF user see the packet, but 562 * don't pass it up to the ether_input() layer unless it's 563 * a broadcast packet, multicast packet, matches our ethernet 564 * address or the interface is in promiscuous mode. 565 */ 566 if (ifp->if_bpf) { 567 BPF_MTAP(ifp, m); 568 } 569 #endif 570 571 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->sc_dev), 572 __FUNCTION__, m->m_len)); 573 574 IF_INPUT(ifp, m); 575 576 done1: 577 splx(s); 578 579 done: 580 #if 1 581 /* Setup new transfer. */ 582 usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_RX], 583 c, c->upl_buf, UPL_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 584 USBD_NO_TIMEOUT, upl_rxeof); 585 usbd_transfer(c->upl_xfer); 586 587 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->sc_dev), 588 __FUNCTION__)); 589 #endif 590 } 591 592 /* 593 * A frame was downloaded to the chip. It's safe for us to clean up 594 * the list buffers. 595 */ 596 Static void 597 upl_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 598 { 599 struct upl_chain *c = priv; 600 struct upl_softc *sc = c->upl_sc; 601 struct ifnet *ifp = &sc->sc_if; 602 int s; 603 604 if (sc->sc_dying) 605 return; 606 607 s = splnet(); 608 609 DPRINTFN(10,("%s: %s: enter status=%d\n", USBDEVNAME(sc->sc_dev), 610 __FUNCTION__, status)); 611 612 ifp->if_timer = 0; 613 ifp->if_flags &= ~IFF_OACTIVE; 614 615 if (status != USBD_NORMAL_COMPLETION) { 616 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 617 splx(s); 618 return; 619 } 620 ifp->if_oerrors++; 621 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->sc_dev), 622 usbd_errstr(status)); 623 if (status == USBD_STALLED) 624 usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_TX]); 625 splx(s); 626 return; 627 } 628 629 ifp->if_opackets++; 630 631 m_freem(c->upl_mbuf); 632 c->upl_mbuf = NULL; 633 634 if (ifp->if_snd.ifq_head != NULL) 635 upl_start(ifp); 636 637 splx(s); 638 } 639 640 Static int 641 upl_send(struct upl_softc *sc, struct mbuf *m, int idx) 642 { 643 int total_len; 644 struct upl_chain *c; 645 usbd_status err; 646 647 c = &sc->sc_cdata.upl_tx_chain[idx]; 648 649 /* 650 * Copy the mbuf data into a contiguous buffer, leaving two 651 * bytes at the beginning to hold the frame length. 652 */ 653 m_copydata(m, 0, m->m_pkthdr.len, c->upl_buf); 654 c->upl_mbuf = m; 655 656 total_len = m->m_pkthdr.len; 657 658 DPRINTFN(10,("%s: %s: total_len=%d\n", 659 USBDEVNAME(sc->sc_dev), __FUNCTION__, total_len)); 660 661 usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_TX], 662 c, c->upl_buf, total_len, USBD_NO_COPY, USBD_DEFAULT_TIMEOUT, 663 upl_txeof); 664 665 /* Transmit */ 666 err = usbd_transfer(c->upl_xfer); 667 if (err != USBD_IN_PROGRESS) { 668 printf("%s: upl_send error=%s\n", USBDEVNAME(sc->sc_dev), 669 usbd_errstr(err)); 670 upl_stop(sc); 671 return (EIO); 672 } 673 674 sc->sc_cdata.upl_tx_cnt++; 675 676 return (0); 677 } 678 679 Static void 680 upl_start(struct ifnet *ifp) 681 { 682 struct upl_softc *sc = ifp->if_softc; 683 struct mbuf *m_head = NULL; 684 685 if (sc->sc_dying) 686 return; 687 688 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 689 690 if (ifp->if_flags & IFF_OACTIVE) 691 return; 692 693 IF_DEQUEUE(&ifp->if_snd, m_head); 694 if (m_head == NULL) 695 return; 696 697 if (upl_send(sc, m_head, 0)) { 698 IF_PREPEND(&ifp->if_snd, m_head); 699 ifp->if_flags |= IFF_OACTIVE; 700 return; 701 } 702 703 #if NBPFILTER > 0 704 /* 705 * If there's a BPF listener, bounce a copy of this frame 706 * to him. 707 */ 708 if (ifp->if_bpf) 709 BPF_MTAP(ifp, m_head); 710 #endif 711 712 ifp->if_flags |= IFF_OACTIVE; 713 714 /* 715 * Set a timeout in case the chip goes out to lunch. 716 */ 717 ifp->if_timer = 5; 718 } 719 720 Static void 721 upl_init(void *xsc) 722 { 723 struct upl_softc *sc = xsc; 724 struct ifnet *ifp = &sc->sc_if; 725 int s; 726 727 if (sc->sc_dying) 728 return; 729 730 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 731 732 if (ifp->if_flags & IFF_RUNNING) 733 return; 734 735 s = splnet(); 736 737 /* Init TX ring. */ 738 if (upl_tx_list_init(sc) == ENOBUFS) { 739 printf("%s: tx list init failed\n", USBDEVNAME(sc->sc_dev)); 740 splx(s); 741 return; 742 } 743 744 /* Init RX ring. */ 745 if (upl_rx_list_init(sc) == ENOBUFS) { 746 printf("%s: rx list init failed\n", USBDEVNAME(sc->sc_dev)); 747 splx(s); 748 return; 749 } 750 751 if (sc->sc_ep[UPL_ENDPT_RX] == NULL) { 752 if (upl_openpipes(sc)) { 753 splx(s); 754 return; 755 } 756 } 757 758 ifp->if_flags |= IFF_RUNNING; 759 ifp->if_flags &= ~IFF_OACTIVE; 760 761 splx(s); 762 } 763 764 Static int 765 upl_openpipes(struct upl_softc *sc) 766 { 767 struct upl_chain *c; 768 usbd_status err; 769 int i; 770 771 /* Open RX and TX pipes. */ 772 err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_RX], 773 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_RX]); 774 if (err) { 775 printf("%s: open rx pipe failed: %s\n", 776 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 777 return (EIO); 778 } 779 err = usbd_open_pipe(sc->sc_iface, sc->sc_ed[UPL_ENDPT_TX], 780 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_TX]); 781 if (err) { 782 printf("%s: open tx pipe failed: %s\n", 783 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 784 return (EIO); 785 } 786 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_ed[UPL_ENDPT_INTR], 787 USBD_EXCLUSIVE_USE, &sc->sc_ep[UPL_ENDPT_INTR], sc, 788 &sc->sc_ibuf, UPL_INTR_PKTLEN, upl_intr, 789 UPL_INTR_INTERVAL); 790 if (err) { 791 printf("%s: open intr pipe failed: %s\n", 792 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 793 return (EIO); 794 } 795 796 797 #if 1 798 /* Start up the receive pipe. */ 799 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 800 c = &sc->sc_cdata.upl_rx_chain[i]; 801 usbd_setup_xfer(c->upl_xfer, sc->sc_ep[UPL_ENDPT_RX], 802 c, c->upl_buf, UPL_BUFSZ, 803 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 804 upl_rxeof); 805 usbd_transfer(c->upl_xfer); 806 } 807 #endif 808 809 return (0); 810 } 811 812 Static void 813 upl_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 814 { 815 struct upl_softc *sc = priv; 816 struct ifnet *ifp = &sc->sc_if; 817 uByte stat; 818 819 DPRINTFN(15,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 820 821 if (sc->sc_dying) 822 return; 823 824 if (!(ifp->if_flags & IFF_RUNNING)) 825 return; 826 827 if (status != USBD_NORMAL_COMPLETION) { 828 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 829 return; 830 } 831 sc->sc_intr_errs++; 832 if (usbd_ratecheck(&sc->sc_rx_notice)) { 833 printf("%s: %u usb errors on intr: %s\n", 834 USBDEVNAME(sc->sc_dev), sc->sc_rx_errs, 835 usbd_errstr(status)); 836 sc->sc_intr_errs = 0; 837 } 838 if (status == USBD_STALLED) 839 usbd_clear_endpoint_stall(sc->sc_ep[UPL_ENDPT_RX]); 840 return; 841 } 842 843 stat = sc->sc_ibuf; 844 845 if (stat == 0) 846 return; 847 848 DPRINTFN(10,("%s: %s: stat=0x%02x\n", USBDEVNAME(sc->sc_dev), 849 __FUNCTION__, stat)); 850 851 } 852 853 Static int 854 upl_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 855 { 856 struct upl_softc *sc = ifp->if_softc; 857 struct ifaddr *ifa = (struct ifaddr *)data; 858 struct ifreq *ifr = (struct ifreq *)data; 859 int s, error = 0; 860 861 if (sc->sc_dying) 862 return (EIO); 863 864 DPRINTFN(5,("%s: %s: cmd=0x%08lx\n", 865 USBDEVNAME(sc->sc_dev), __FUNCTION__, command)); 866 867 s = splnet(); 868 869 switch(command) { 870 case SIOCSIFADDR: 871 ifp->if_flags |= IFF_UP; 872 upl_init(sc); 873 874 switch (ifa->ifa_addr->sa_family) { 875 #ifdef INET 876 case AF_INET: 877 break; 878 #endif /* INET */ 879 #ifdef NS 880 case AF_NS: 881 { 882 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 883 884 if (ns_nullhost(*ina)) 885 ina->x_host = *(union ns_host *) 886 LLADDR(ifp->if_sadl); 887 else 888 memcpy(LLADDR(ifp->if_sadl), 889 ina->x_host.c_host, 890 ifp->if_addrlen); 891 break; 892 } 893 #endif /* NS */ 894 } 895 break; 896 897 case SIOCSIFMTU: 898 if (ifr->ifr_mtu > UPL_BUFSZ) 899 error = EINVAL; 900 else 901 ifp->if_mtu = ifr->ifr_mtu; 902 break; 903 904 case SIOCSIFFLAGS: 905 if (ifp->if_flags & IFF_UP) { 906 if (!(ifp->if_flags & IFF_RUNNING)) 907 upl_init(sc); 908 } else { 909 if (ifp->if_flags & IFF_RUNNING) 910 upl_stop(sc); 911 } 912 error = 0; 913 break; 914 default: 915 error = EINVAL; 916 break; 917 } 918 919 splx(s); 920 921 return (error); 922 } 923 924 Static void 925 upl_watchdog(struct ifnet *ifp) 926 { 927 struct upl_softc *sc = ifp->if_softc; 928 929 DPRINTFN(5,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 930 931 if (sc->sc_dying) 932 return; 933 934 ifp->if_oerrors++; 935 printf("%s: watchdog timeout\n", USBDEVNAME(sc->sc_dev)); 936 937 upl_stop(sc); 938 upl_init(sc); 939 940 if (ifp->if_snd.ifq_head != NULL) 941 upl_start(ifp); 942 } 943 944 /* 945 * Stop the adapter and free any mbufs allocated to the 946 * RX and TX lists. 947 */ 948 Static void 949 upl_stop(struct upl_softc *sc) 950 { 951 usbd_status err; 952 struct ifnet *ifp; 953 int i; 954 955 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->sc_dev),__FUNCTION__)); 956 957 ifp = &sc->sc_if; 958 ifp->if_timer = 0; 959 960 /* Stop transfers. */ 961 if (sc->sc_ep[UPL_ENDPT_RX] != NULL) { 962 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_RX]); 963 if (err) { 964 printf("%s: abort rx pipe failed: %s\n", 965 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 966 } 967 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_RX]); 968 if (err) { 969 printf("%s: close rx pipe failed: %s\n", 970 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 971 } 972 sc->sc_ep[UPL_ENDPT_RX] = NULL; 973 } 974 975 if (sc->sc_ep[UPL_ENDPT_TX] != NULL) { 976 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_TX]); 977 if (err) { 978 printf("%s: abort tx pipe failed: %s\n", 979 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 980 } 981 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_TX]); 982 if (err) { 983 printf("%s: close tx pipe failed: %s\n", 984 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 985 } 986 sc->sc_ep[UPL_ENDPT_TX] = NULL; 987 } 988 989 if (sc->sc_ep[UPL_ENDPT_INTR] != NULL) { 990 err = usbd_abort_pipe(sc->sc_ep[UPL_ENDPT_INTR]); 991 if (err) { 992 printf("%s: abort intr pipe failed: %s\n", 993 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 994 } 995 err = usbd_close_pipe(sc->sc_ep[UPL_ENDPT_INTR]); 996 if (err) { 997 printf("%s: close intr pipe failed: %s\n", 998 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 999 } 1000 sc->sc_ep[UPL_ENDPT_INTR] = NULL; 1001 } 1002 1003 /* Free RX resources. */ 1004 for (i = 0; i < UPL_RX_LIST_CNT; i++) { 1005 if (sc->sc_cdata.upl_rx_chain[i].upl_mbuf != NULL) { 1006 m_freem(sc->sc_cdata.upl_rx_chain[i].upl_mbuf); 1007 sc->sc_cdata.upl_rx_chain[i].upl_mbuf = NULL; 1008 } 1009 if (sc->sc_cdata.upl_rx_chain[i].upl_xfer != NULL) { 1010 usbd_free_xfer(sc->sc_cdata.upl_rx_chain[i].upl_xfer); 1011 sc->sc_cdata.upl_rx_chain[i].upl_xfer = NULL; 1012 } 1013 } 1014 1015 /* Free TX resources. */ 1016 for (i = 0; i < UPL_TX_LIST_CNT; i++) { 1017 if (sc->sc_cdata.upl_tx_chain[i].upl_mbuf != NULL) { 1018 m_freem(sc->sc_cdata.upl_tx_chain[i].upl_mbuf); 1019 sc->sc_cdata.upl_tx_chain[i].upl_mbuf = NULL; 1020 } 1021 if (sc->sc_cdata.upl_tx_chain[i].upl_xfer != NULL) { 1022 usbd_free_xfer(sc->sc_cdata.upl_tx_chain[i].upl_xfer); 1023 sc->sc_cdata.upl_tx_chain[i].upl_xfer = NULL; 1024 } 1025 } 1026 1027 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1028 } 1029 1030 Static int 1031 upl_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, 1032 struct rtentry *rt0) 1033 { 1034 int s; 1035 1036 DPRINTFN(10,("%s: %s: enter\n", 1037 USBDEVNAME(((struct upl_softc *)ifp->if_softc)->sc_dev), 1038 __FUNCTION__)); 1039 1040 s = splnet(); 1041 /* 1042 * Queue message on interface, and start output if interface 1043 * not yet active. 1044 */ 1045 if (IF_QFULL(&ifp->if_snd)) { 1046 IF_DROP(&ifp->if_snd); 1047 splx(s); 1048 return (ENOBUFS); 1049 } 1050 ifp->if_obytes += m->m_pkthdr.len; 1051 IF_ENQUEUE(&ifp->if_snd, m); 1052 if ((ifp->if_flags & IFF_OACTIVE) == 0) 1053 (*ifp->if_start)(ifp); 1054 splx(s); 1055 1056 return (0); 1057 } 1058 1059 Static void 1060 upl_input(struct ifnet *ifp, struct mbuf *m) 1061 { 1062 struct ifqueue *inq; 1063 int s; 1064 1065 /* XXX Assume all traffic is IP */ 1066 1067 schednetisr(NETISR_IP); 1068 inq = &ipintrq; 1069 1070 s = splnet(); 1071 if (IF_QFULL(inq)) { 1072 IF_DROP(inq); 1073 splx(s); 1074 #if 0 1075 if (sc->sc_flags & SC_DEBUG) 1076 printf("%s: input queue full\n", ifp->if_xname); 1077 #endif 1078 ifp->if_iqdrops++; 1079 return; 1080 } 1081 IF_ENQUEUE(inq, m); 1082 splx(s); 1083 ifp->if_ipackets++; 1084 ifp->if_ibytes += m->m_len; 1085 ifp->if_lastchange = time; 1086 } 1087
Indexes created Tue Sep 30 11:09:46 GMT 2025