1 /* $NetBSD: if_axe.c,v 1.6 2004/10/30 18:10:06 thorpej 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 1.6 2004/10/30 18:10:06 thorpej 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) ((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 (val); 290 } 291 292 Static void 293 axe_miibus_writereg(device_ptr_t dev, int phy, int reg, int val) 294 { 295 struct axe_softc *sc = USBGETSOFTC(dev); 296 usbd_status err; 297 298 if (sc->axe_dying) 299 return; 300 301 axe_lock_mii(sc); 302 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 303 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 304 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 305 axe_unlock_mii(sc); 306 307 if (err) { 308 printf("%s: write PHY failed\n", USBDEVNAME(sc->axe_dev)); 309 return; 310 } 311 } 312 313 Static void 314 axe_miibus_statchg(device_ptr_t dev) 315 { 316 struct axe_softc *sc = USBGETSOFTC(dev); 317 struct mii_data *mii = GET_MII(sc); 318 int val, err; 319 320 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 321 val = AXE_MEDIA_FULL_DUPLEX; 322 else 323 val = 0; 324 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 325 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 326 if (err) { 327 printf("%s: media change failed\n", USBDEVNAME(sc->axe_dev)); 328 return; 329 } 330 } 331 332 /* 333 * Set media options. 334 */ 335 Static int 336 axe_ifmedia_upd(struct ifnet *ifp) 337 { 338 struct axe_softc *sc = ifp->if_softc; 339 struct mii_data *mii = GET_MII(sc); 340 341 sc->axe_link = 0; 342 if (mii->mii_instance) { 343 struct mii_softc *miisc; 344 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 345 mii_phy_reset(miisc); 346 } 347 mii_mediachg(mii); 348 349 return (0); 350 } 351 352 /* 353 * Report current media status. 354 */ 355 Static void 356 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 357 { 358 struct axe_softc *sc = ifp->if_softc; 359 struct mii_data *mii = GET_MII(sc); 360 361 mii_pollstat(mii); 362 ifmr->ifm_active = mii->mii_media_active; 363 ifmr->ifm_status = mii->mii_media_status; 364 } 365 366 Static void 367 axe_setmulti(struct axe_softc *sc) 368 { 369 struct ifnet *ifp; 370 struct ether_multi *enm; 371 struct ether_multistep step; 372 u_int32_t h = 0; 373 u_int16_t rxmode; 374 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 375 376 if (sc->axe_dying) 377 return; 378 379 ifp = GET_IFP(sc); 380 381 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 382 383 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 384 allmulti: 385 rxmode |= AXE_RXCMD_ALLMULTI; 386 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 387 return; 388 } else 389 rxmode &= ~AXE_RXCMD_ALLMULTI; 390 391 /* now program new ones */ 392 #if defined(__NetBSD__) 393 ETHER_FIRST_MULTI(step, &sc->axe_ec, enm); 394 #else 395 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 396 #endif 397 while (enm != NULL) { 398 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 399 ETHER_ADDR_LEN) != 0) 400 goto allmulti; 401 402 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 403 hashtbl[h / 8] |= 1 << (h % 8); 404 ETHER_NEXT_MULTI(step, enm); 405 } 406 407 ifp->if_flags &= ~IFF_ALLMULTI; 408 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 409 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 410 return; 411 } 412 413 Static void 414 axe_reset(struct axe_softc *sc) 415 { 416 if (sc->axe_dying) 417 return; 418 /* XXX What to reset? */ 419 420 /* Wait a little while for the chip to get its brains in order. */ 421 DELAY(1000); 422 return; 423 } 424 425 /* 426 * Probe for a AX88172 chip. 427 */ 428 USB_MATCH(axe) 429 { 430 USB_MATCH_START(axe, uaa); 431 432 if (!uaa->iface) { 433 return(UMATCH_NONE); 434 } 435 436 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 437 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 438 } 439 440 /* 441 * Attach the interface. Allocate softc structures, do ifmedia 442 * setup and ethernet/BPF attach. 443 */ 444 USB_ATTACH(axe) 445 { 446 USB_ATTACH_START(axe, sc, uaa); 447 usbd_device_handle dev = uaa->device; 448 usbd_status err; 449 usb_interface_descriptor_t *id; 450 usb_endpoint_descriptor_t *ed; 451 struct mii_data *mii; 452 u_char eaddr[ETHER_ADDR_LEN]; 453 char devinfo[1024]; 454 char *devname = USBDEVNAME(sc->axe_dev); 455 struct ifnet *ifp; 456 int i, s; 457 458 usbd_devinfo(dev, 0, devinfo, sizeof devinfo); 459 USB_ATTACH_SETUP; 460 461 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 462 if (err) { 463 printf("%s: getting interface handle failed\n", 464 USBDEVNAME(sc->axe_dev)); 465 USB_ATTACH_ERROR_RETURN; 466 } 467 468 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 469 lockinit(&sc->axe_mii_lock, PZERO, "axemii", 0, LK_CANRECURSE); 470 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc); 471 472 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 473 if (err) { 474 printf("%s: getting interface handle failed\n", 475 USBDEVNAME(sc->axe_dev)); 476 USB_ATTACH_ERROR_RETURN; 477 } 478 479 sc->axe_udev = dev; 480 sc->axe_product = uaa->product; 481 sc->axe_vendor = uaa->vendor; 482 483 id = usbd_get_interface_descriptor(sc->axe_iface); 484 485 printf("%s: %s\n", USBDEVNAME(sc->axe_dev), devinfo); 486 487 /* Find endpoints. */ 488 for (i = 0; i < id->bNumEndpoints; i++) { 489 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 490 if (!ed) { 491 printf("%s: couldn't get ep %d\n", 492 USBDEVNAME(sc->axe_dev), i); 493 USB_ATTACH_ERROR_RETURN; 494 } 495 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 496 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 497 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 498 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 499 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 500 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 501 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 502 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 503 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 504 } 505 } 506 507 s = splnet(); 508 509 /* 510 * Get station address. 511 */ 512 axe_cmd(sc, AXE_CMD_READ_NODEID, 0, 0, &eaddr); 513 514 /* 515 * Load IPG values and PHY indexes. 516 */ 517 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 518 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 519 520 /* 521 * Work around broken adapters that appear to lie about 522 * their PHY addresses. 523 */ 524 sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; 525 526 /* 527 * An ASIX chip was detected. Inform the world. 528 */ 529 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->axe_dev), 530 ether_sprintf(eaddr)); 531 532 /* Initialize interface info.*/ 533 ifp = GET_IFP(sc); 534 ifp->if_softc = sc; 535 strncpy(ifp->if_xname, devname, IFNAMSIZ); 536 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 537 ifp->if_ioctl = axe_ioctl; 538 ifp->if_start = axe_start; 539 540 ifp->if_watchdog = axe_watchdog; 541 542 /* ifp->if_baudrate = 10000000; */ 543 /* ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;*/ 544 545 IFQ_SET_READY(&ifp->if_snd); 546 547 /* Initialize MII/media info. */ 548 mii = &sc->axe_mii; 549 mii->mii_ifp = ifp; 550 mii->mii_readreg = axe_miibus_readreg; 551 mii->mii_writereg = axe_miibus_writereg; 552 mii->mii_statchg = axe_miibus_statchg; 553 mii->mii_flags = MIIF_AUTOTSLEEP; 554 555 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, axe_ifmedia_sts); 556 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 557 558 if (LIST_FIRST(&mii->mii_phys) == NULL) { 559 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 560 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 561 } else 562 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 563 564 /* Attach the interface. */ 565 if_attach(ifp); 566 Ether_ifattach(ifp, eaddr); 567 #if NRND > 0 568 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->axe_dev), 569 RND_TYPE_NET, 0); 570 #endif 571 572 usb_callout_init(sc->axe_stat_ch); 573 574 sc->axe_attached = 1; 575 splx(s); 576 577 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, 578 USBDEV(sc->axe_dev)); 579 580 USB_ATTACH_SUCCESS_RETURN; 581 } 582 583 USB_DETACH(axe) 584 { 585 USB_DETACH_START(axe, sc); 586 int s; 587 struct ifnet *ifp = GET_IFP(sc); 588 589 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 590 591 /* Detached before attached finished, so just bail out. */ 592 if (!sc->axe_attached) 593 return (0); 594 595 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 596 597 sc->axe_dying = 1; 598 599 ether_ifdetach(ifp); 600 601 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 602 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 603 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 604 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 605 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 606 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 607 608 /* 609 * Remove any pending tasks. They cannot be executing because they run 610 * in the same thread as detach. 611 */ 612 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 613 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 614 615 s = splusb(); 616 617 if (--sc->axe_refcnt >= 0) { 618 /* Wait for processes to go away */ 619 usb_detach_wait(USBDEV(sc->axe_dev)); 620 } 621 622 if (ifp->if_flags & IFF_RUNNING) 623 axe_stop(sc); 624 625 #if defined(__NetBSD__) 626 #if NRND > 0 627 rnd_detach_source(&sc->rnd_source); 628 #endif 629 #endif /* __NetBSD__ */ 630 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 631 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 632 ether_ifdetach(ifp); 633 if_detach(ifp); 634 635 #ifdef DIAGNOSTIC 636 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 637 sc->axe_ep[AXE_ENDPT_RX] != NULL || 638 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 639 printf("%s: detach has active endpoints\n", 640 USBDEVNAME(sc->axe_dev)); 641 #endif 642 643 sc->axe_attached = 0; 644 645 if (--sc->axe_refcnt >= 0) { 646 /* Wait for processes to go away. */ 647 usb_detach_wait(USBDEV(sc->axe_dev)); 648 } 649 splx(s); 650 651 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, 652 USBDEV(sc->axe_dev)); 653 654 return (0); 655 } 656 657 int 658 axe_activate(device_ptr_t self, enum devact act) 659 { 660 struct axe_softc *sc = (struct axe_softc *)self; 661 662 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 663 664 switch (act) { 665 case DVACT_ACTIVATE: 666 return (EOPNOTSUPP); 667 break; 668 669 case DVACT_DEACTIVATE: 670 if_deactivate(&sc->axe_ec.ec_if); 671 sc->axe_dying = 1; 672 break; 673 } 674 return (0); 675 } 676 677 /* 678 * Initialize an RX descriptor and attach an MBUF cluster. 679 */ 680 Static int 681 axe_newbuf(struct axe_softc *sc, struct axe_chain *c, struct mbuf *m) 682 { 683 struct mbuf *m_new = NULL; 684 685 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 686 687 if (m == NULL) { 688 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 689 if (m_new == NULL) { 690 printf("%s: no memory for rx list " 691 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 692 return (ENOBUFS); 693 } 694 695 MCLGET(m_new, M_DONTWAIT); 696 if (!(m_new->m_flags & M_EXT)) { 697 printf("%s: no memory for rx list " 698 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 699 m_freem(m_new); 700 return (ENOBUFS); 701 } 702 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 703 } else { 704 m_new = m; 705 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 706 m_new->m_data = m_new->m_ext.ext_buf; 707 } 708 709 m_adj(m_new, ETHER_ALIGN); 710 c->axe_mbuf = m_new; 711 712 return (0); 713 } 714 715 Static int 716 axe_rx_list_init(struct axe_softc *sc) 717 { 718 struct axe_cdata *cd; 719 struct axe_chain *c; 720 int i; 721 722 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 723 724 cd = &sc->axe_cdata; 725 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 726 c = &cd->axe_rx_chain[i]; 727 c->axe_sc = sc; 728 c->axe_idx = i; 729 if (axe_newbuf(sc, c, NULL) == ENOBUFS) 730 return (ENOBUFS); 731 if (c->axe_xfer == NULL) { 732 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 733 if (c->axe_xfer == NULL) 734 return (ENOBUFS); 735 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 736 if (c->axe_buf == NULL) { 737 usbd_free_xfer(c->axe_xfer); 738 return (ENOBUFS); 739 } 740 } 741 } 742 743 return (0); 744 } 745 746 Static int 747 axe_tx_list_init(struct axe_softc *sc) 748 { 749 struct axe_cdata *cd; 750 struct axe_chain *c; 751 int i; 752 753 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 754 755 cd = &sc->axe_cdata; 756 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 757 c = &cd->axe_tx_chain[i]; 758 c->axe_sc = sc; 759 c->axe_idx = i; 760 c->axe_mbuf = NULL; 761 if (c->axe_xfer == NULL) { 762 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 763 if (c->axe_xfer == NULL) 764 return (ENOBUFS); 765 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 766 if (c->axe_buf == NULL) { 767 usbd_free_xfer(c->axe_xfer); 768 return (ENOBUFS); 769 } 770 } 771 } 772 773 return (0); 774 } 775 776 #if 0 777 Static void 778 axe_rxstart(struct ifnet *ifp) 779 { 780 struct axe_softc *sc; 781 struct axe_chain *c; 782 783 sc = ifp->if_softc; 784 axe_lock_mii(sc); 785 c = &sc->axe_cdata.axe_rx_chain[sc->axe_cdata.axe_rx_prod]; 786 787 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 788 ifp->if_ierrors++; 789 axe_unlock_mii(sc); 790 return; 791 } 792 793 /* Setup new transfer. */ 794 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 795 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, USBD_SHORT_XFER_OK, 796 USBD_NO_TIMEOUT, axe_rxeof); 797 usbd_transfer(c->axe_xfer); 798 axe_unlock_mii(sc); 799 800 return; 801 } 802 #endif 803 804 /* 805 * A frame has been uploaded: pass the resulting mbuf chain up to 806 * the higher level protocols. 807 */ 808 Static void 809 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 810 { 811 struct axe_softc *sc; 812 struct axe_chain *c; 813 struct ifnet *ifp; 814 struct mbuf *m; 815 u_int32_t total_len; 816 int s; 817 818 c = priv; 819 sc = c->axe_sc; 820 ifp = GET_IFP(sc); 821 822 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 823 824 if (sc->axe_dying) 825 return; 826 827 if (!(ifp->if_flags & IFF_RUNNING)) 828 return; 829 830 if (status != USBD_NORMAL_COMPLETION) { 831 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 832 return; 833 if (usbd_ratecheck(&sc->axe_rx_notice)) { 834 printf("%s: usb errors on rx: %s\n", 835 USBDEVNAME(sc->axe_dev), usbd_errstr(status)); 836 } 837 if (status == USBD_STALLED) 838 usbd_clear_endpoint_stall(sc->axe_ep[AXE_ENDPT_RX]); 839 goto done; 840 } 841 842 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 843 844 m = c->axe_mbuf; 845 846 if (total_len <= sizeof(struct ether_header)) { 847 ifp->if_ierrors++; 848 goto done; 849 } 850 851 ifp->if_ipackets++; 852 m->m_pkthdr.rcvif = ifp; 853 m->m_pkthdr.len = m->m_len = total_len; 854 855 856 memcpy(mtod(c->axe_mbuf, char *), c->axe_buf, total_len); 857 858 /* No errors; receive the packet. */ 859 total_len -= ETHER_CRC_LEN + 4; 860 861 s = splnet(); 862 863 /* XXX ugly */ 864 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 865 ifp->if_ierrors++; 866 goto done1; 867 } 868 869 #if NBPFILTER > 0 870 if (ifp->if_bpf) 871 BPF_MTAP(ifp, m); 872 #endif 873 874 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->axe_dev), 875 __func__, m->m_len)); 876 IF_INPUT(ifp, m); 877 done1: 878 splx(s); 879 880 done: 881 882 /* Setup new transfer. */ 883 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 884 c, c->axe_buf, AXE_BUFSZ, 885 USBD_SHORT_XFER_OK | USBD_NO_COPY, 886 USBD_NO_TIMEOUT, axe_rxeof); 887 usbd_transfer(xfer); 888 889 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->axe_dev), 890 __func__)); 891 return; 892 } 893 894 /* 895 * A frame was downloaded to the chip. It's safe for us to clean up 896 * the list buffers. 897 */ 898 899 Static void 900 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 901 { 902 struct axe_softc *sc; 903 struct axe_chain *c; 904 struct ifnet *ifp; 905 int s; 906 907 c = priv; 908 sc = c->axe_sc; 909 ifp = GET_IFP(sc); 910 911 if (sc->axe_dying) 912 return; 913 914 s = splnet(); 915 916 if (status != USBD_NORMAL_COMPLETION) { 917 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 918 splx(s); 919 return; 920 } 921 ifp->if_oerrors++; 922 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->axe_dev), 923 usbd_errstr(status)); 924 if (status == USBD_STALLED) 925 usbd_clear_endpoint_stall(sc->axe_ep[AXE_ENDPT_TX]); 926 splx(s); 927 return; 928 } 929 930 ifp->if_timer = 0; 931 ifp->if_flags &= ~IFF_OACTIVE; 932 933 m_freem(c->axe_mbuf); 934 c->axe_mbuf = NULL; 935 936 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 937 axe_start(ifp); 938 939 ifp->if_opackets++; 940 splx(s); 941 return; 942 } 943 944 Static void 945 axe_tick(void *xsc) 946 { 947 struct axe_softc *sc = xsc; 948 949 if (sc == NULL) 950 return; 951 952 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), 953 __func__)); 954 955 if (sc->axe_dying) 956 return; 957 958 /* Perform periodic stuff in process context */ 959 usb_add_task(sc->axe_udev, &sc->axe_tick_task); 960 961 } 962 963 Static void 964 axe_tick_task(void *xsc) 965 { 966 int s; 967 struct axe_softc *sc; 968 struct ifnet *ifp; 969 struct mii_data *mii; 970 971 sc = xsc; 972 973 if (sc == NULL) 974 return; 975 976 if (sc->axe_dying) 977 return; 978 979 ifp = GET_IFP(sc); 980 mii = GET_MII(sc); 981 if (mii == NULL) 982 return; 983 984 s = splnet(); 985 986 mii_tick(mii); 987 if (!sc->axe_link) { 988 mii_pollstat(mii); 989 if (mii->mii_media_status & IFM_ACTIVE && 990 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 991 DPRINTF(("%s: %s: got link\n", 992 USBDEVNAME(sc->axe_dev), __func__)); 993 sc->axe_link++; 994 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 995 axe_start(ifp); 996 } 997 } 998 999 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1000 1001 splx(s); 1002 } 1003 1004 Static int 1005 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1006 { 1007 struct axe_chain *c; 1008 usbd_status err; 1009 1010 c = &sc->axe_cdata.axe_tx_chain[idx]; 1011 1012 /* 1013 * Copy the mbuf data into a contiguous buffer, leaving two 1014 * bytes at the beginning to hold the frame length. 1015 */ 1016 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1017 c->axe_mbuf = m; 1018 1019 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1020 c, c->axe_buf, m->m_pkthdr.len, USBD_FORCE_SHORT_XFER, 10000, 1021 axe_txeof); 1022 1023 /* Transmit */ 1024 err = usbd_transfer(c->axe_xfer); 1025 if (err != USBD_IN_PROGRESS) { 1026 axe_stop(sc); 1027 return(EIO); 1028 } 1029 1030 sc->axe_cdata.axe_tx_cnt++; 1031 1032 return(0); 1033 } 1034 1035 Static void 1036 axe_start(struct ifnet *ifp) 1037 { 1038 struct axe_softc *sc; 1039 struct mbuf *m_head = NULL; 1040 1041 sc = ifp->if_softc; 1042 1043 if (!sc->axe_link) { 1044 return; 1045 } 1046 1047 if (ifp->if_flags & IFF_OACTIVE) { 1048 return; 1049 } 1050 1051 IF_DEQUEUE(&ifp->if_snd, m_head); 1052 if (m_head == NULL) { 1053 return; 1054 } 1055 1056 if (axe_encap(sc, m_head, 0)) { 1057 IF_PREPEND(&ifp->if_snd, m_head); 1058 ifp->if_flags |= IFF_OACTIVE; 1059 return; 1060 } 1061 1062 /* 1063 * If there's a BPF listener, bounce a copy of this frame 1064 * to him. 1065 */ 1066 #if NBPFILTER > 0 1067 if (ifp->if_bpf) 1068 BPF_MTAP(ifp, m_head); 1069 #endif 1070 1071 ifp->if_flags |= IFF_OACTIVE; 1072 1073 /* 1074 * Set a timeout in case the chip goes out to lunch. 1075 */ 1076 ifp->if_timer = 5; 1077 1078 return; 1079 } 1080 1081 Static void 1082 axe_init(void *xsc) 1083 { 1084 struct axe_softc *sc = xsc; 1085 struct ifnet *ifp = GET_IFP(sc); 1086 struct axe_chain *c; 1087 usbd_status err; 1088 int rxmode; 1089 int i, s; 1090 1091 if (ifp->if_flags & IFF_RUNNING) 1092 return; 1093 1094 s = splnet(); 1095 1096 /* 1097 * Cancel pending I/O and free all RX/TX buffers. 1098 */ 1099 axe_reset(sc); 1100 1101 /* Enable RX logic. */ 1102 1103 /* Init RX ring. */ 1104 if (axe_rx_list_init(sc) == ENOBUFS) { 1105 printf("%s: rx list init failed\n", USBDEVNAME(sc->axe_dev)); 1106 splx(s); 1107 return; 1108 } 1109 1110 /* Init TX ring. */ 1111 if (axe_tx_list_init(sc) == ENOBUFS) { 1112 printf("%s: tx list init failed\n", USBDEVNAME(sc->axe_dev)); 1113 splx(s); 1114 return; 1115 } 1116 1117 /* Set transmitter IPG values */ 1118 axe_cmd(sc, AXE_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1119 axe_cmd(sc, AXE_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1120 axe_cmd(sc, AXE_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1121 1122 /* Enable receiver, set RX mode */ 1123 rxmode = AXE_RXCMD_UNICAST|AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1124 1125 /* If we want promiscuous mode, set the allframes bit. */ 1126 if (ifp->if_flags & IFF_PROMISC) 1127 rxmode |= AXE_RXCMD_PROMISC; 1128 1129 if (ifp->if_flags & IFF_BROADCAST) 1130 rxmode |= AXE_RXCMD_BROADCAST; 1131 1132 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1133 1134 /* Load the multicast filter. */ 1135 axe_setmulti(sc); 1136 1137 /* Open RX and TX pipes. */ 1138 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1139 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1140 if (err) { 1141 printf("%s: open rx pipe failed: %s\n", 1142 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1143 splx(s); 1144 return; 1145 } 1146 1147 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1148 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1149 if (err) { 1150 printf("%s: open tx pipe failed: %s\n", 1151 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1152 splx(s); 1153 return; 1154 } 1155 1156 /* Start up the receive pipe. */ 1157 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1158 c = &sc->axe_cdata.axe_rx_chain[i]; 1159 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1160 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, 1161 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axe_rxeof); 1162 usbd_transfer(c->axe_xfer); 1163 } 1164 1165 ifp->if_flags |= IFF_RUNNING; 1166 ifp->if_flags &= ~IFF_OACTIVE; 1167 1168 splx(s); 1169 1170 usb_callout_init(sc->axe_stat_ch); 1171 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1172 return; 1173 } 1174 1175 Static int 1176 axe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1177 { 1178 struct axe_softc *sc = ifp->if_softc; 1179 struct ifreq *ifr = (struct ifreq *)data; 1180 struct ifaddr *ifa = (struct ifaddr *)data; 1181 struct mii_data *mii; 1182 u_int16_t rxmode; 1183 int error = 0; 1184 1185 switch(cmd) { 1186 case SIOCSIFADDR: 1187 ifp->if_flags |= IFF_UP; 1188 axe_init(sc); 1189 1190 switch (ifa->ifa_addr->sa_family) { 1191 #ifdef INET 1192 case AF_INET: 1193 #if defined(__NetBSD__) 1194 arp_ifinit(ifp, ifa); 1195 #else 1196 arp_ifinit(&sc->arpcom, ifa); 1197 #endif 1198 break; 1199 #endif /* INET */ 1200 #ifdef NS 1201 case AF_NS: 1202 { 1203 struct ns_addr *ina = &IA_SNS(ifa)->sns_addr; 1204 1205 if (ns_nullhost(*ina)) 1206 ina->x_host = *(union ns_host *) 1207 LLADDR(ifp->if_sadl); 1208 else 1209 memcpy(LLADDR(ifp->if_sadl), 1210 ina->x_host.c_host, 1211 ifp->if_addrlen); 1212 break; 1213 } 1214 #endif /* NS */ 1215 } 1216 break; 1217 1218 case SIOCSIFMTU: 1219 if (ifr->ifr_mtu > ETHERMTU) 1220 error = EINVAL; 1221 else 1222 ifp->if_mtu = ifr->ifr_mtu; 1223 break; 1224 1225 case SIOCSIFFLAGS: 1226 if (ifp->if_flags & IFF_UP) { 1227 if (ifp->if_flags & IFF_RUNNING && 1228 ifp->if_flags & IFF_PROMISC && 1229 !(sc->axe_if_flags & IFF_PROMISC)) { 1230 1231 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1232 0, 0, (void *)&rxmode); 1233 rxmode |= AXE_RXCMD_PROMISC; 1234 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1235 0, rxmode, NULL); 1236 1237 axe_setmulti(sc); 1238 } else if (ifp->if_flags & IFF_RUNNING && 1239 !(ifp->if_flags & IFF_PROMISC) && 1240 sc->axe_if_flags & IFF_PROMISC) { 1241 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1242 0, 0, (void *)&rxmode); 1243 rxmode &= ~AXE_RXCMD_PROMISC; 1244 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1245 0, rxmode, NULL); 1246 axe_setmulti(sc); 1247 } else if (!(ifp->if_flags & IFF_RUNNING)) 1248 axe_init(sc); 1249 } else { 1250 if (ifp->if_flags & IFF_RUNNING) 1251 axe_stop(sc); 1252 } 1253 sc->axe_if_flags = ifp->if_flags; 1254 error = 0; 1255 break; 1256 case SIOCADDMULTI: 1257 case SIOCDELMULTI: 1258 #ifdef __NetBSD__ 1259 error = (cmd == SIOCADDMULTI) ? 1260 ether_addmulti(ifr, &sc->axe_ec) : 1261 ether_delmulti(ifr, &sc->axe_ec); 1262 #else 1263 error = (cmd == SIOCADDMULTI) ? 1264 ether_addmulti(ifr, &sc->arpcom) : 1265 ether_delmulti(ifr, &sc->arpcom); 1266 #endif /* __NetBSD__ */ 1267 if (error == ENETRESET) { 1268 /* 1269 * Multicast list has changed; set the hardware 1270 * filter accordingly. 1271 */ 1272 if (ifp->if_flags & IFF_RUNNING) 1273 axe_setmulti(sc); 1274 error = 0; 1275 } 1276 break; 1277 case SIOCGIFMEDIA: 1278 case SIOCSIFMEDIA: 1279 mii = GET_MII(sc); 1280 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1281 break; 1282 1283 default: 1284 error = EINVAL; 1285 break; 1286 } 1287 1288 return(error); 1289 } 1290 1291 /* 1292 * XXX 1293 * You can't call axe_txeof since the USB transfer has not 1294 * completed yet. 1295 */ 1296 Static void 1297 axe_watchdog(struct ifnet *ifp) 1298 { 1299 struct axe_softc *sc; 1300 struct axe_chain *c; 1301 usbd_status stat; 1302 int s; 1303 1304 sc = ifp->if_softc; 1305 1306 ifp->if_oerrors++; 1307 printf("%s: watchdog timeout\n", USBDEVNAME(sc->axe_dev)); 1308 1309 s = splusb(); 1310 c = &sc->axe_cdata.axe_tx_chain[0]; 1311 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1312 axe_txeof(c->axe_xfer, c, stat); 1313 1314 if (ifp->if_snd.ifq_head != NULL) 1315 axe_start(ifp); 1316 splx(s); 1317 } 1318 1319 /* 1320 * Stop the adapter and free any mbufs allocated to the 1321 * RX and TX lists. 1322 */ 1323 Static void 1324 axe_stop(struct axe_softc *sc) 1325 { 1326 usbd_status err; 1327 struct ifnet *ifp; 1328 int i; 1329 1330 axe_reset(sc); 1331 1332 ifp = GET_IFP(sc); 1333 ifp->if_timer = 0; 1334 1335 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 1336 1337 /* Stop transfers. */ 1338 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1339 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1340 if (err) { 1341 printf("%s: abort rx pipe failed: %s\n", 1342 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1343 } 1344 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1345 if (err) { 1346 printf("%s: close rx pipe failed: %s\n", 1347 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1348 } 1349 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1350 } 1351 1352 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1353 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1354 if (err) { 1355 printf("%s: abort tx pipe failed: %s\n", 1356 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1357 } 1358 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1359 if (err) { 1360 printf("%s: close tx pipe failed: %s\n", 1361 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1362 } 1363 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1364 } 1365 1366 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1367 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1368 if (err) { 1369 printf("%s: abort intr pipe failed: %s\n", 1370 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1371 } 1372 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1373 if (err) { 1374 printf("%s: close intr pipe failed: %s\n", 1375 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1376 } 1377 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1378 } 1379 1380 /* Free RX resources. */ 1381 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1382 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1383 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1384 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1385 } 1386 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1387 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1388 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1389 } 1390 } 1391 1392 /* Free TX resources. */ 1393 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1394 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1395 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1396 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1397 } 1398 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1399 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1400 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1401 } 1402 } 1403 1404 sc->axe_link = 0; 1405 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1406 } 1407 1408