1 /* $NetBSD: if_axe.c,v 1.12 2005/11/28 13:31:09 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998, 1999, 2000-2003 5 * Bill Paul <wpaul@windriver.com>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 37 * LinkSys USB200M and various other adapters. 38 * 39 * Manuals available from: 40 * http://www.asix.com.tw/datasheet/mac/Ax88172.PDF 41 * (also http://people.freebsd.org/~wpaul/ASIX/Ax88172.PDF) 42 * Note: you need the manual for the AX88170 chip (USB 1.x ethernet 43 * controller) to find the definitions for the RX control register. 44 * http://www.asix.com.tw/datasheet/mac/Ax88170.PDF 45 * 46 * Written by Bill Paul <wpaul@windriver.com> 47 * Senior Engineer 48 * Wind River Systems 49 */ 50 51 /* 52 * The AX88172 provides USB ethernet supports at 10 and 100Mbps. 53 * It uses an external PHY (reference designs use a RealTek chip), 54 * and has a 64-bit multicast hash filter. There is some information 55 * missing from the manual which one needs to know in order to make 56 * the chip function: 57 * 58 * - You must set bit 7 in the RX control register, otherwise the 59 * chip won't receive any packets. 60 * - You must initialize all 3 IPG registers, or you won't be able 61 * to send any packets. 62 * 63 * Note that this device appears to only support loading the station 64 * address via autload from the EEPROM (i.e. there's no way to manaully 65 * set it). 66 * 67 * (Adam Weinberger wanted me to name this driver if_gir.c.) 68 */ 69 70 /* 71 * Ported to OpenBSD 3/28/2004 by Greg Taleck <taleck@oz.net> 72 * with bits and pieces from the aue and url drivers. 73 */ 74 75 #include <sys/cdefs.h> 76 __KERNEL_RCSID(0, "$NetBSD: if_axe.c,v 1.12 2005/11/28 13:31:09 augustss Exp $"); 77 78 #if defined(__NetBSD__) 79 #include "opt_inet.h" 80 #include "opt_ns.h" 81 #include "rnd.h" 82 #endif 83 84 #include "bpfilter.h" 85 86 #include <sys/param.h> 87 #include <sys/systm.h> 88 #include <sys/sockio.h> 89 #include <sys/lock.h> 90 #include <sys/mbuf.h> 91 #include <sys/kernel.h> 92 #if defined(__OpenBSD__) 93 #include <sys/proc.h> 94 #endif 95 #include <sys/socket.h> 96 97 #include <sys/device.h> 98 #if NRND > 0 99 #include <sys/rnd.h> 100 #endif 101 102 #include <net/if.h> 103 #if defined(__NetBSD__) 104 #include <net/if_arp.h> 105 #endif 106 #include <net/if_dl.h> 107 #include <net/if_media.h> 108 109 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 110 111 #if NBPFILTER > 0 112 #include <net/bpf.h> 113 #endif 114 115 #if defined(__NetBSD__) 116 #include <net/if_ether.h> 117 #ifdef INET 118 #include <netinet/in.h> 119 #include <netinet/if_inarp.h> 120 #endif 121 #endif /* defined(__NetBSD__) */ 122 123 #if defined(__OpenBSD__) 124 #ifdef INET 125 #include <netinet/in.h> 126 #include <netinet/in_systm.h> 127 #include <netinet/in_var.h> 128 #include <netinet/ip.h> 129 #include <netinet/if_ether.h> 130 #endif 131 #endif /* defined(__OpenBSD__) */ 132 133 #ifdef NS 134 #include <netns/ns.h> 135 #include <netns/ns_if.h> 136 #endif 137 138 #include <dev/mii/mii.h> 139 #include <dev/mii/miivar.h> 140 141 #include <dev/usb/usb.h> 142 #include <dev/usb/usbdi.h> 143 #include <dev/usb/usbdi_util.h> 144 #include <dev/usb/usbdevs.h> 145 146 #include <dev/usb/if_axereg.h> 147 148 #ifdef AXE_DEBUG 149 #define DPRINTF(x) do { if (axedebug) logprintf x; } while (0) 150 #define DPRINTFN(n,x) do { if (axedebug >= (n)) logprintf x; } while (0) 151 int axedebug = 0; 152 #else 153 #define DPRINTF(x) 154 #define DPRINTFN(n,x) 155 #endif 156 157 /* 158 * Various supported device vendors/products. 159 */ 160 Static const struct axe_type axe_devs[] = { 161 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 162 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 163 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 164 { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, 165 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, 166 { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, 167 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, 168 { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, 169 }; 170 #define axe_lookup(v, p) ((const struct axe_type *)usb_lookup(axe_devs, v, p)) 171 172 USB_DECLARE_DRIVER(axe); 173 174 Static int axe_tx_list_init(struct axe_softc *); 175 Static int axe_rx_list_init(struct axe_softc *); 176 Static int axe_newbuf(struct axe_softc *, struct axe_chain *, struct mbuf *); 177 Static int axe_encap(struct axe_softc *, struct mbuf *, int); 178 Static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 179 Static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 180 Static void axe_tick(void *); 181 Static void axe_tick_task(void *); 182 #if 0 183 Static void axe_rxstart(struct ifnet *); 184 #endif 185 Static void axe_start(struct ifnet *); 186 Static int axe_ioctl(struct ifnet *, u_long, caddr_t); 187 Static void axe_init(void *); 188 Static void axe_stop(struct axe_softc *); 189 Static void axe_watchdog(struct ifnet *); 190 Static int axe_miibus_readreg(device_ptr_t, int, int); 191 Static void axe_miibus_writereg(device_ptr_t, int, int, int); 192 Static void axe_miibus_statchg(device_ptr_t); 193 Static int axe_cmd(struct axe_softc *, int, int, int, void *); 194 Static int axe_ifmedia_upd(struct ifnet *); 195 Static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 196 Static void axe_reset(struct axe_softc *sc); 197 198 Static void axe_setmulti(struct axe_softc *); 199 Static void axe_lock_mii(struct axe_softc *sc); 200 Static void axe_unlock_mii(struct axe_softc *sc); 201 202 /* Get exclusive access to the MII registers */ 203 Static void 204 axe_lock_mii(struct axe_softc *sc) 205 { 206 sc->axe_refcnt++; 207 usb_lockmgr(&sc->axe_mii_lock, LK_EXCLUSIVE, NULL); 208 } 209 210 Static void 211 axe_unlock_mii(struct axe_softc *sc) 212 { 213 usb_lockmgr(&sc->axe_mii_lock, LK_RELEASE, NULL); 214 if (--sc->axe_refcnt < 0) 215 usb_detach_wakeup(USBDEV(sc->axe_dev)); 216 } 217 218 Static int 219 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 220 { 221 usb_device_request_t req; 222 usbd_status err; 223 224 if (sc->axe_dying) 225 return(0); 226 227 axe_lock_mii(sc); 228 if (AXE_CMD_DIR(cmd)) 229 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 230 else 231 req.bmRequestType = UT_READ_VENDOR_DEVICE; 232 req.bRequest = AXE_CMD_CMD(cmd); 233 USETW(req.wValue, val); 234 USETW(req.wIndex, index); 235 USETW(req.wLength, AXE_CMD_LEN(cmd)); 236 237 err = usbd_do_request(sc->axe_udev, &req, buf); 238 axe_unlock_mii(sc); 239 240 if (err) 241 return(-1); 242 243 return(0); 244 } 245 246 Static int 247 axe_miibus_readreg(device_ptr_t dev, int phy, int reg) 248 { 249 struct axe_softc *sc = USBGETSOFTC(dev); 250 usbd_status err; 251 u_int16_t val; 252 253 if (sc->axe_dying) { 254 DPRINTF(("axe: dying\n")); 255 return(0); 256 } 257 258 #ifdef notdef 259 /* 260 * The chip tells us the MII address of any supported 261 * PHYs attached to the chip, so only read from those. 262 */ 263 264 if (sc->axe_phyaddrs[0] != AXE_NOPHY && phy != sc->axe_phyaddrs[0]) 265 return (0); 266 267 if (sc->axe_phyaddrs[1] != AXE_NOPHY && phy != sc->axe_phyaddrs[1]) 268 return (0); 269 #endif 270 if (sc->axe_phyaddrs[0] != 0xFF && sc->axe_phyaddrs[0] != phy) 271 return (0); 272 273 val = 0; 274 275 axe_lock_mii(sc); 276 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 277 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); 278 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 279 axe_unlock_mii(sc); 280 281 if (err) { 282 printf("%s: read PHY failed\n", USBDEVNAME(sc->axe_dev)); 283 return(-1); 284 } 285 286 if (val) 287 sc->axe_phyaddrs[0] = phy; 288 289 return (le16toh(val)); 290 } 291 292 Static void 293 axe_miibus_writereg(device_ptr_t dev, int phy, int reg, int aval) 294 { 295 struct axe_softc *sc = USBGETSOFTC(dev); 296 usbd_status err; 297 u_int16_t val; 298 299 if (sc->axe_dying) 300 return; 301 302 val = htole16(aval); 303 axe_lock_mii(sc); 304 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 305 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 306 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 307 axe_unlock_mii(sc); 308 309 if (err) { 310 printf("%s: write PHY failed\n", USBDEVNAME(sc->axe_dev)); 311 return; 312 } 313 } 314 315 Static void 316 axe_miibus_statchg(device_ptr_t dev) 317 { 318 struct axe_softc *sc = USBGETSOFTC(dev); 319 struct mii_data *mii = GET_MII(sc); 320 int val, err; 321 322 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 323 val = AXE_MEDIA_FULL_DUPLEX; 324 else 325 val = 0; 326 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 327 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 328 if (err) { 329 printf("%s: media change failed\n", USBDEVNAME(sc->axe_dev)); 330 return; 331 } 332 } 333 334 /* 335 * Set media options. 336 */ 337 Static int 338 axe_ifmedia_upd(struct ifnet *ifp) 339 { 340 struct axe_softc *sc = ifp->if_softc; 341 struct mii_data *mii = GET_MII(sc); 342 343 sc->axe_link = 0; 344 if (mii->mii_instance) { 345 struct mii_softc *miisc; 346 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 347 mii_phy_reset(miisc); 348 } 349 mii_mediachg(mii); 350 351 return (0); 352 } 353 354 /* 355 * Report current media status. 356 */ 357 Static void 358 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 359 { 360 struct axe_softc *sc = ifp->if_softc; 361 struct mii_data *mii = GET_MII(sc); 362 363 mii_pollstat(mii); 364 ifmr->ifm_active = mii->mii_media_active; 365 ifmr->ifm_status = mii->mii_media_status; 366 } 367 368 Static void 369 axe_setmulti(struct axe_softc *sc) 370 { 371 struct ifnet *ifp; 372 struct ether_multi *enm; 373 struct ether_multistep step; 374 u_int32_t h = 0; 375 u_int16_t rxmode; 376 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 377 378 if (sc->axe_dying) 379 return; 380 381 ifp = GET_IFP(sc); 382 383 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 384 rxmode = le16toh(rxmode); 385 386 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 387 allmulti: 388 rxmode |= AXE_RXCMD_ALLMULTI; 389 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 390 return; 391 } else 392 rxmode &= ~AXE_RXCMD_ALLMULTI; 393 394 /* now program new ones */ 395 #if defined(__NetBSD__) 396 ETHER_FIRST_MULTI(step, &sc->axe_ec, enm); 397 #else 398 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 399 #endif 400 while (enm != NULL) { 401 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 402 ETHER_ADDR_LEN) != 0) 403 goto allmulti; 404 405 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 406 hashtbl[h / 8] |= 1 << (h % 8); 407 ETHER_NEXT_MULTI(step, enm); 408 } 409 410 ifp->if_flags &= ~IFF_ALLMULTI; 411 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 412 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 413 return; 414 } 415 416 Static void 417 axe_reset(struct axe_softc *sc) 418 { 419 if (sc->axe_dying) 420 return; 421 /* XXX What to reset? */ 422 423 /* Wait a little while for the chip to get its brains in order. */ 424 DELAY(1000); 425 return; 426 } 427 428 /* 429 * Probe for a AX88172 chip. 430 */ 431 USB_MATCH(axe) 432 { 433 USB_MATCH_START(axe, uaa); 434 435 if (!uaa->iface) { 436 return(UMATCH_NONE); 437 } 438 439 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 440 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 441 } 442 443 /* 444 * Attach the interface. Allocate softc structures, do ifmedia 445 * setup and ethernet/BPF attach. 446 */ 447 USB_ATTACH(axe) 448 { 449 USB_ATTACH_START(axe, sc, uaa); 450 usbd_device_handle dev = uaa->device; 451 usbd_status err; 452 usb_interface_descriptor_t *id; 453 usb_endpoint_descriptor_t *ed; 454 struct mii_data *mii; 455 u_char eaddr[ETHER_ADDR_LEN]; 456 char *devinfop; 457 char *devname = USBDEVNAME(sc->axe_dev); 458 struct ifnet *ifp; 459 int i, s; 460 461 devinfop = usbd_devinfo_alloc(dev, 0); 462 USB_ATTACH_SETUP; 463 464 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 465 if (err) { 466 printf("%s: getting interface handle failed\n", 467 USBDEVNAME(sc->axe_dev)); 468 USB_ATTACH_ERROR_RETURN; 469 } 470 471 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 472 lockinit(&sc->axe_mii_lock, PZERO, "axemii", 0, LK_CANRECURSE); 473 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc); 474 475 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 476 if (err) { 477 printf("%s: getting interface handle failed\n", 478 USBDEVNAME(sc->axe_dev)); 479 USB_ATTACH_ERROR_RETURN; 480 } 481 482 sc->axe_udev = dev; 483 sc->axe_product = uaa->product; 484 sc->axe_vendor = uaa->vendor; 485 486 id = usbd_get_interface_descriptor(sc->axe_iface); 487 488 printf("%s: %s\n", USBDEVNAME(sc->axe_dev), devinfop); 489 usbd_devinfo_free(devinfop); 490 491 /* Find endpoints. */ 492 for (i = 0; i < id->bNumEndpoints; i++) { 493 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 494 if (!ed) { 495 printf("%s: couldn't get ep %d\n", 496 USBDEVNAME(sc->axe_dev), i); 497 USB_ATTACH_ERROR_RETURN; 498 } 499 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 500 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 501 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 502 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 503 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 504 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 505 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 506 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 507 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 508 } 509 } 510 511 s = splnet(); 512 513 /* 514 * Get station address. 515 */ 516 axe_cmd(sc, AXE_CMD_READ_NODEID, 0, 0, &eaddr); 517 518 /* 519 * Load IPG values and PHY indexes. 520 */ 521 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 522 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 523 524 /* 525 * Work around broken adapters that appear to lie about 526 * their PHY addresses. 527 */ 528 sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; 529 530 /* 531 * An ASIX chip was detected. Inform the world. 532 */ 533 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->axe_dev), 534 ether_sprintf(eaddr)); 535 536 /* Initialize interface info.*/ 537 ifp = GET_IFP(sc); 538 ifp->if_softc = sc; 539 strncpy(ifp->if_xname, devname, IFNAMSIZ); 540 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 541 ifp->if_ioctl = axe_ioctl; 542 ifp->if_start = axe_start; 543 544 ifp->if_watchdog = axe_watchdog; 545 546 /* ifp->if_baudrate = 10000000; */ 547 /* ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;*/ 548 549 IFQ_SET_READY(&ifp->if_snd); 550 551 /* Initialize MII/media info. */ 552 mii = &sc->axe_mii; 553 mii->mii_ifp = ifp; 554 mii->mii_readreg = axe_miibus_readreg; 555 mii->mii_writereg = axe_miibus_writereg; 556 mii->mii_statchg = axe_miibus_statchg; 557 mii->mii_flags = MIIF_AUTOTSLEEP; 558 559 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, axe_ifmedia_sts); 560 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 561 562 if (LIST_FIRST(&mii->mii_phys) == NULL) { 563 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 564 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 565 } else 566 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 567 568 /* Attach the interface. */ 569 if_attach(ifp); 570 Ether_ifattach(ifp, eaddr); 571 #if NRND > 0 572 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->axe_dev), 573 RND_TYPE_NET, 0); 574 #endif 575 576 usb_callout_init(sc->axe_stat_ch); 577 578 sc->axe_attached = 1; 579 splx(s); 580 581 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, 582 USBDEV(sc->axe_dev)); 583 584 USB_ATTACH_SUCCESS_RETURN; 585 } 586 587 USB_DETACH(axe) 588 { 589 USB_DETACH_START(axe, sc); 590 int s; 591 struct ifnet *ifp = GET_IFP(sc); 592 593 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 594 595 /* Detached before attached finished, so just bail out. */ 596 if (!sc->axe_attached) 597 return (0); 598 599 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 600 601 sc->axe_dying = 1; 602 603 ether_ifdetach(ifp); 604 605 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 606 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 607 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 608 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 609 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 610 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 611 612 /* 613 * Remove any pending tasks. They cannot be executing because they run 614 * in the same thread as detach. 615 */ 616 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 617 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 618 619 s = splusb(); 620 621 if (--sc->axe_refcnt >= 0) { 622 /* Wait for processes to go away */ 623 usb_detach_wait(USBDEV(sc->axe_dev)); 624 } 625 626 if (ifp->if_flags & IFF_RUNNING) 627 axe_stop(sc); 628 629 #if defined(__NetBSD__) 630 #if NRND > 0 631 rnd_detach_source(&sc->rnd_source); 632 #endif 633 #endif /* __NetBSD__ */ 634 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 635 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 636 ether_ifdetach(ifp); 637 if_detach(ifp); 638 639 #ifdef DIAGNOSTIC 640 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 641 sc->axe_ep[AXE_ENDPT_RX] != NULL || 642 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 643 printf("%s: detach has active endpoints\n", 644 USBDEVNAME(sc->axe_dev)); 645 #endif 646 647 sc->axe_attached = 0; 648 649 if (--sc->axe_refcnt >= 0) { 650 /* Wait for processes to go away. */ 651 usb_detach_wait(USBDEV(sc->axe_dev)); 652 } 653 splx(s); 654 655 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, 656 USBDEV(sc->axe_dev)); 657 658 return (0); 659 } 660 661 int 662 axe_activate(device_ptr_t self, enum devact act) 663 { 664 struct axe_softc *sc = (struct axe_softc *)self; 665 666 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 667 668 switch (act) { 669 case DVACT_ACTIVATE: 670 return (EOPNOTSUPP); 671 break; 672 673 case DVACT_DEACTIVATE: 674 if_deactivate(&sc->axe_ec.ec_if); 675 sc->axe_dying = 1; 676 break; 677 } 678 return (0); 679 } 680 681 /* 682 * Initialize an RX descriptor and attach an MBUF cluster. 683 */ 684 Static int 685 axe_newbuf(struct axe_softc *sc, struct axe_chain *c, struct mbuf *m) 686 { 687 struct mbuf *m_new = NULL; 688 689 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 690 691 if (m == NULL) { 692 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 693 if (m_new == NULL) { 694 printf("%s: no memory for rx list " 695 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 696 return (ENOBUFS); 697 } 698 699 MCLGET(m_new, M_DONTWAIT); 700 if (!(m_new->m_flags & M_EXT)) { 701 printf("%s: no memory for rx list " 702 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 703 m_freem(m_new); 704 return (ENOBUFS); 705 } 706 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 707 } else { 708 m_new = m; 709 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 710 m_new->m_data = m_new->m_ext.ext_buf; 711 } 712 713 m_adj(m_new, ETHER_ALIGN); 714 c->axe_mbuf = m_new; 715 716 return (0); 717 } 718 719 Static int 720 axe_rx_list_init(struct axe_softc *sc) 721 { 722 struct axe_cdata *cd; 723 struct axe_chain *c; 724 int i; 725 726 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 727 728 cd = &sc->axe_cdata; 729 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 730 c = &cd->axe_rx_chain[i]; 731 c->axe_sc = sc; 732 c->axe_idx = i; 733 if (axe_newbuf(sc, c, NULL) == ENOBUFS) 734 return (ENOBUFS); 735 if (c->axe_xfer == NULL) { 736 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 737 if (c->axe_xfer == NULL) 738 return (ENOBUFS); 739 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 740 if (c->axe_buf == NULL) { 741 usbd_free_xfer(c->axe_xfer); 742 return (ENOBUFS); 743 } 744 } 745 } 746 747 return (0); 748 } 749 750 Static int 751 axe_tx_list_init(struct axe_softc *sc) 752 { 753 struct axe_cdata *cd; 754 struct axe_chain *c; 755 int i; 756 757 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 758 759 cd = &sc->axe_cdata; 760 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 761 c = &cd->axe_tx_chain[i]; 762 c->axe_sc = sc; 763 c->axe_idx = i; 764 c->axe_mbuf = NULL; 765 if (c->axe_xfer == NULL) { 766 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 767 if (c->axe_xfer == NULL) 768 return (ENOBUFS); 769 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 770 if (c->axe_buf == NULL) { 771 usbd_free_xfer(c->axe_xfer); 772 return (ENOBUFS); 773 } 774 } 775 } 776 777 return (0); 778 } 779 780 #if 0 781 Static void 782 axe_rxstart(struct ifnet *ifp) 783 { 784 struct axe_softc *sc; 785 struct axe_chain *c; 786 787 sc = ifp->if_softc; 788 axe_lock_mii(sc); 789 c = &sc->axe_cdata.axe_rx_chain[sc->axe_cdata.axe_rx_prod]; 790 791 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 792 ifp->if_ierrors++; 793 axe_unlock_mii(sc); 794 return; 795 } 796 797 /* Setup new transfer. */ 798 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 799 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, USBD_SHORT_XFER_OK, 800 USBD_NO_TIMEOUT, axe_rxeof); 801 usbd_transfer(c->axe_xfer); 802 axe_unlock_mii(sc); 803 804 return; 805 } 806 #endif 807 808 /* 809 * A frame has been uploaded: pass the resulting mbuf chain up to 810 * the higher level protocols. 811 */ 812 Static void 813 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 814 { 815 struct axe_softc *sc; 816 struct axe_chain *c; 817 struct ifnet *ifp; 818 struct mbuf *m; 819 u_int32_t total_len; 820 int s; 821 822 c = priv; 823 sc = c->axe_sc; 824 ifp = GET_IFP(sc); 825 826 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 827 828 if (sc->axe_dying) 829 return; 830 831 if (!(ifp->if_flags & IFF_RUNNING)) 832 return; 833 834 if (status != USBD_NORMAL_COMPLETION) { 835 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 836 return; 837 if (usbd_ratecheck(&sc->axe_rx_notice)) { 838 printf("%s: usb errors on rx: %s\n", 839 USBDEVNAME(sc->axe_dev), usbd_errstr(status)); 840 } 841 if (status == USBD_STALLED) 842 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 843 goto done; 844 } 845 846 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 847 848 m = c->axe_mbuf; 849 850 if (total_len <= sizeof(struct ether_header)) { 851 ifp->if_ierrors++; 852 goto done; 853 } 854 855 ifp->if_ipackets++; 856 m->m_pkthdr.rcvif = ifp; 857 m->m_pkthdr.len = m->m_len = total_len; 858 859 860 memcpy(mtod(c->axe_mbuf, char *), c->axe_buf, total_len); 861 862 /* No errors; receive the packet. */ 863 total_len -= ETHER_CRC_LEN + 4; 864 865 s = splnet(); 866 867 /* XXX ugly */ 868 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 869 ifp->if_ierrors++; 870 goto done1; 871 } 872 873 #if NBPFILTER > 0 874 if (ifp->if_bpf) 875 BPF_MTAP(ifp, m); 876 #endif 877 878 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->axe_dev), 879 __func__, m->m_len)); 880 IF_INPUT(ifp, m); 881 done1: 882 splx(s); 883 884 done: 885 886 /* Setup new transfer. */ 887 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 888 c, c->axe_buf, AXE_BUFSZ, 889 USBD_SHORT_XFER_OK | USBD_NO_COPY, 890 USBD_NO_TIMEOUT, axe_rxeof); 891 usbd_transfer(xfer); 892 893 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->axe_dev), 894 __func__)); 895 return; 896 } 897 898 /* 899 * A frame was downloaded to the chip. It's safe for us to clean up 900 * the list buffers. 901 */ 902 903 Static void 904 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 905 { 906 struct axe_softc *sc; 907 struct axe_chain *c; 908 struct ifnet *ifp; 909 int s; 910 911 c = priv; 912 sc = c->axe_sc; 913 ifp = GET_IFP(sc); 914 915 if (sc->axe_dying) 916 return; 917 918 s = splnet(); 919 920 if (status != USBD_NORMAL_COMPLETION) { 921 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 922 splx(s); 923 return; 924 } 925 ifp->if_oerrors++; 926 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->axe_dev), 927 usbd_errstr(status)); 928 if (status == USBD_STALLED) 929 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 930 splx(s); 931 return; 932 } 933 934 ifp->if_timer = 0; 935 ifp->if_flags &= ~IFF_OACTIVE; 936 937 m_freem(c->axe_mbuf); 938 c->axe_mbuf = NULL; 939 940 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 941 axe_start(ifp); 942 943 ifp->if_opackets++; 944 splx(s); 945 return; 946 } 947 948 Static void 949 axe_tick(void *xsc) 950 { 951 struct axe_softc *sc = xsc; 952 953 if (sc == NULL) 954 return; 955 956 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), 957 __func__)); 958 959 if (sc->axe_dying) 960 return; 961 962 /* Perform periodic stuff in process context */ 963 usb_add_task(sc->axe_udev, &sc->axe_tick_task); 964 965 } 966 967 Static void 968 axe_tick_task(void *xsc) 969 { 970 int s; 971 struct axe_softc *sc; 972 struct ifnet *ifp; 973 struct mii_data *mii; 974 975 sc = xsc; 976 977 if (sc == NULL) 978 return; 979 980 if (sc->axe_dying) 981 return; 982 983 ifp = GET_IFP(sc); 984 mii = GET_MII(sc); 985 if (mii == NULL) 986 return; 987 988 s = splnet(); 989 990 mii_tick(mii); 991 if (!sc->axe_link) { 992 mii_pollstat(mii); 993 if (mii->mii_media_status & IFM_ACTIVE && 994 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 995 DPRINTF(("%s: %s: got link\n", 996 USBDEVNAME(sc->axe_dev), __func__)); 997 sc->axe_link++; 998 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 999 axe_start(ifp); 1000 } 1001 } 1002 1003 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1004 1005 splx(s); 1006 } 1007 1008 Static int 1009 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1010 { 1011 struct axe_chain *c; 1012 usbd_status err; 1013 1014 c = &sc->axe_cdata.axe_tx_chain[idx]; 1015 1016 /* 1017 * Copy the mbuf data into a contiguous buffer, leaving two 1018 * bytes at the beginning to hold the frame length. 1019 */ 1020 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1021 c->axe_mbuf = m; 1022 1023 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1024 c, c->axe_buf, m->m_pkthdr.len, USBD_FORCE_SHORT_XFER, 10000, 1025 axe_txeof); 1026 1027 /* Transmit */ 1028 err = usbd_transfer(c->axe_xfer); 1029 if (err != USBD_IN_PROGRESS) { 1030 axe_stop(sc); 1031 return(EIO); 1032 } 1033 1034 sc->axe_cdata.axe_tx_cnt++; 1035 1036 return(0); 1037 } 1038 1039 Static void 1040 axe_start(struct ifnet *ifp) 1041 { 1042 struct axe_softc *sc; 1043 struct mbuf *m_head = NULL; 1044 1045 sc = ifp->if_softc; 1046 1047 if (!sc->axe_link) { 1048 return; 1049 } 1050 1051 if (ifp->if_flags & IFF_OACTIVE) { 1052 return; 1053 } 1054 1055 IF_DEQUEUE(&ifp->if_snd, m_head); 1056 if (m_head == NULL) { 1057 return; 1058 } 1059 1060 if (axe_encap(sc, m_head, 0)) { 1061 IF_PREPEND(&ifp->if_snd, m_head); 1062 ifp->if_flags |= IFF_OACTIVE; 1063 return; 1064 } 1065 1066 /* 1067 * If there's a BPF listener, bounce a copy of this frame 1068 * to him. 1069 */ 1070 #if NBPFILTER > 0 1071 if (ifp->if_bpf) 1072 BPF_MTAP(ifp, m_head); 1073 #endif 1074 1075 ifp->if_flags |= IFF_OACTIVE; 1076 1077 /* 1078 * Set a timeout in case the chip goes out to lunch. 1079 */ 1080 ifp->if_timer = 5; 1081 1082 return; 1083 } 1084 1085 Static void 1086 axe_init(void *xsc) 1087 { 1088 struct axe_softc *sc = xsc; 1089 struct ifnet *ifp = GET_IFP(sc); 1090 struct axe_chain *c; 1091 usbd_status err; 1092 int rxmode; 1093 int i, s; 1094 1095 if (ifp->if_flags & IFF_RUNNING) 1096 return; 1097 1098 s = splnet(); 1099 1100 /* 1101 * Cancel pending I/O and free all RX/TX buffers. 1102 */ 1103 axe_reset(sc); 1104 1105 /* Enable RX logic. */ 1106 1107 /* Init RX ring. */ 1108 if (axe_rx_list_init(sc) == ENOBUFS) { 1109 printf("%s: rx list init failed\n", USBDEVNAME(sc->axe_dev)); 1110 splx(s); 1111 return; 1112 } 1113 1114 /* Init TX ring. */ 1115 if (axe_tx_list_init(sc) == ENOBUFS) { 1116 printf("%s: tx list init failed\n", USBDEVNAME(sc->axe_dev)); 1117 splx(s); 1118 return; 1119 } 1120 1121 /* Set transmitter IPG values */ 1122 axe_cmd(sc, AXE_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1123 axe_cmd(sc, AXE_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1124 axe_cmd(sc, AXE_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1125 1126 /* Enable receiver, set RX mode */ 1127 rxmode = AXE_RXCMD_UNICAST|AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1128 1129 /* If we want promiscuous mode, set the allframes bit. */ 1130 if (ifp->if_flags & IFF_PROMISC) 1131 rxmode |= AXE_RXCMD_PROMISC; 1132 1133 if (ifp->if_flags & IFF_BROADCAST) 1134 rxmode |= AXE_RXCMD_BROADCAST; 1135 1136 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1137 1138 /* Load the multicast filter. */ 1139 axe_setmulti(sc); 1140 1141 /* Open RX and TX pipes. */ 1142 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1143 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1144 if (err) { 1145 printf("%s: open rx pipe failed: %s\n", 1146 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1147 splx(s); 1148 return; 1149 } 1150 1151 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1152 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1153 if (err) { 1154 printf("%s: open tx pipe failed: %s\n", 1155 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1156 splx(s); 1157 return; 1158 } 1159 1160 /* Start up the receive pipe. */ 1161 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1162 c = &sc->axe_cdata.axe_rx_chain[i]; 1163 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1164 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, 1165 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axe_rxeof); 1166 usbd_transfer(c->axe_xfer); 1167 } 1168 1169 ifp->if_flags |= IFF_RUNNING; 1170 ifp->if_flags &= ~IFF_OACTIVE; 1171 1172 splx(s); 1173 1174 usb_callout_init(sc->axe_stat_ch); 1175 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1176 return; 1177 } 1178 1179 Static int 1180 axe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1181 { 1182 struct axe_softc *sc = ifp->if_softc; 1183 struct ifreq *ifr = (struct ifreq *)data; 1184 struct ifaddr *ifa = (struct ifaddr *)data; 1185 struct mii_data *mii; 1186 u_int16_t rxmode; 1187 int error = 0; 1188 1189 switch(cmd) { 1190 case SIOCSIFADDR: 1191 ifp->if_flags |= IFF_UP; 1192 axe_init(sc); 1193 1194 switch (ifa->ifa_addr->sa_family) { 1195 #ifdef INET 1196 case AF_INET: 1197 #if defined(__NetBSD__) 1198 arp_ifinit(ifp, ifa); 1199 #else 1200 arp_ifinit(&sc->arpcom, ifa); 1201 #endif 1202 break; 1203 #endif /* INET */ 1204 #ifdef NS 1205 case AF_NS: 1206 { 1207 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1208 1209 if (ns_nullhost(*ina)) 1210 ina->x_host = *(union ns_host *) 1211 LLADDR(ifp->if_sadl); 1212 else 1213 memcpy(LLADDR(ifp->if_sadl), 1214 ina->x_host.c_host, 1215 ifp->if_addrlen); 1216 break; 1217 } 1218 #endif /* NS */ 1219 } 1220 break; 1221 1222 case SIOCSIFMTU: 1223 if (ifr->ifr_mtu > ETHERMTU) 1224 error = EINVAL; 1225 else 1226 ifp->if_mtu = ifr->ifr_mtu; 1227 break; 1228 1229 case SIOCSIFFLAGS: 1230 if (ifp->if_flags & IFF_UP) { 1231 if (ifp->if_flags & IFF_RUNNING && 1232 ifp->if_flags & IFF_PROMISC && 1233 !(sc->axe_if_flags & IFF_PROMISC)) { 1234 1235 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1236 0, 0, (void *)&rxmode); 1237 rxmode = le16toh(rxmode) | AXE_RXCMD_PROMISC; 1238 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1239 0, rxmode, NULL); 1240 1241 axe_setmulti(sc); 1242 } else if (ifp->if_flags & IFF_RUNNING && 1243 !(ifp->if_flags & IFF_PROMISC) && 1244 sc->axe_if_flags & IFF_PROMISC) { 1245 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1246 0, 0, (void *)&rxmode); 1247 rxmode = le16toh(rxmode) & ~AXE_RXCMD_PROMISC; 1248 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1249 0, rxmode, NULL); 1250 axe_setmulti(sc); 1251 } else if (!(ifp->if_flags & IFF_RUNNING)) 1252 axe_init(sc); 1253 } else { 1254 if (ifp->if_flags & IFF_RUNNING) 1255 axe_stop(sc); 1256 } 1257 sc->axe_if_flags = ifp->if_flags; 1258 error = 0; 1259 break; 1260 case SIOCADDMULTI: 1261 case SIOCDELMULTI: 1262 #ifdef __NetBSD__ 1263 error = (cmd == SIOCADDMULTI) ? 1264 ether_addmulti(ifr, &sc->axe_ec) : 1265 ether_delmulti(ifr, &sc->axe_ec); 1266 #else 1267 error = (cmd == SIOCADDMULTI) ? 1268 ether_addmulti(ifr, &sc->arpcom) : 1269 ether_delmulti(ifr, &sc->arpcom); 1270 #endif /* __NetBSD__ */ 1271 if (error == ENETRESET) { 1272 /* 1273 * Multicast list has changed; set the hardware 1274 * filter accordingly. 1275 */ 1276 if (ifp->if_flags & IFF_RUNNING) 1277 axe_setmulti(sc); 1278 error = 0; 1279 } 1280 break; 1281 case SIOCGIFMEDIA: 1282 case SIOCSIFMEDIA: 1283 mii = GET_MII(sc); 1284 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1285 break; 1286 1287 default: 1288 error = EINVAL; 1289 break; 1290 } 1291 1292 return(error); 1293 } 1294 1295 /* 1296 * XXX 1297 * You can't call axe_txeof since the USB transfer has not 1298 * completed yet. 1299 */ 1300 Static void 1301 axe_watchdog(struct ifnet *ifp) 1302 { 1303 struct axe_softc *sc; 1304 struct axe_chain *c; 1305 usbd_status stat; 1306 int s; 1307 1308 sc = ifp->if_softc; 1309 1310 ifp->if_oerrors++; 1311 printf("%s: watchdog timeout\n", USBDEVNAME(sc->axe_dev)); 1312 1313 s = splusb(); 1314 c = &sc->axe_cdata.axe_tx_chain[0]; 1315 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1316 axe_txeof(c->axe_xfer, c, stat); 1317 1318 if (ifp->if_snd.ifq_head != NULL) 1319 axe_start(ifp); 1320 splx(s); 1321 } 1322 1323 /* 1324 * Stop the adapter and free any mbufs allocated to the 1325 * RX and TX lists. 1326 */ 1327 Static void 1328 axe_stop(struct axe_softc *sc) 1329 { 1330 usbd_status err; 1331 struct ifnet *ifp; 1332 int i; 1333 1334 axe_reset(sc); 1335 1336 ifp = GET_IFP(sc); 1337 ifp->if_timer = 0; 1338 1339 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 1340 1341 /* Stop transfers. */ 1342 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1343 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1344 if (err) { 1345 printf("%s: abort rx pipe failed: %s\n", 1346 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1347 } 1348 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1349 if (err) { 1350 printf("%s: close rx pipe failed: %s\n", 1351 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1352 } 1353 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1354 } 1355 1356 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1357 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1358 if (err) { 1359 printf("%s: abort tx pipe failed: %s\n", 1360 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1361 } 1362 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1363 if (err) { 1364 printf("%s: close tx pipe failed: %s\n", 1365 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1366 } 1367 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1368 } 1369 1370 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1371 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1372 if (err) { 1373 printf("%s: abort intr pipe failed: %s\n", 1374 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1375 } 1376 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1377 if (err) { 1378 printf("%s: close intr pipe failed: %s\n", 1379 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1380 } 1381 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1382 } 1383 1384 /* Free RX resources. */ 1385 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1386 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1387 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1388 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1389 } 1390 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1391 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1392 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1393 } 1394 } 1395 1396 /* Free TX resources. */ 1397 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1398 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1399 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1400 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1401 } 1402 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1403 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1404 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1405 } 1406 } 1407 1408 sc->axe_link = 0; 1409 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1410 } 1411 1412