1 /* $NetBSD: if_axe.c,v 1.17 2006/11/16 01:33:26 christos 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 1.17 2006/11/16 01:33:26 christos Exp $"); 77 78 #if defined(__NetBSD__) 79 #include "opt_inet.h" 80 #include "rnd.h" 81 #endif 82 83 #include "bpfilter.h" 84 85 #include <sys/param.h> 86 #include <sys/systm.h> 87 #include <sys/sockio.h> 88 #include <sys/lock.h> 89 #include <sys/mbuf.h> 90 #include <sys/kernel.h> 91 #if defined(__OpenBSD__) 92 #include <sys/proc.h> 93 #endif 94 #include <sys/socket.h> 95 96 #include <sys/device.h> 97 #if NRND > 0 98 #include <sys/rnd.h> 99 #endif 100 101 #include <net/if.h> 102 #if defined(__NetBSD__) 103 #include <net/if_arp.h> 104 #endif 105 #include <net/if_dl.h> 106 #include <net/if_media.h> 107 108 #define BPF_MTAP(ifp, m) bpf_mtap((ifp)->if_bpf, (m)) 109 110 #if NBPFILTER > 0 111 #include <net/bpf.h> 112 #endif 113 114 #if defined(__NetBSD__) 115 #include <net/if_ether.h> 116 #ifdef INET 117 #include <netinet/in.h> 118 #include <netinet/if_inarp.h> 119 #endif 120 #endif /* defined(__NetBSD__) */ 121 122 #if defined(__OpenBSD__) 123 #ifdef INET 124 #include <netinet/in.h> 125 #include <netinet/in_systm.h> 126 #include <netinet/in_var.h> 127 #include <netinet/ip.h> 128 #include <netinet/if_ether.h> 129 #endif 130 #endif /* defined(__OpenBSD__) */ 131 132 133 #include <dev/mii/mii.h> 134 #include <dev/mii/miivar.h> 135 136 #include <dev/usb/usb.h> 137 #include <dev/usb/usbdi.h> 138 #include <dev/usb/usbdi_util.h> 139 #include <dev/usb/usbdevs.h> 140 141 #include <dev/usb/if_axereg.h> 142 143 #ifdef AXE_DEBUG 144 #define DPRINTF(x) do { if (axedebug) logprintf x; } while (0) 145 #define DPRINTFN(n,x) do { if (axedebug >= (n)) logprintf x; } while (0) 146 int axedebug = 0; 147 #else 148 #define DPRINTF(x) 149 #define DPRINTFN(n,x) 150 #endif 151 152 /* 153 * Various supported device vendors/products. 154 */ 155 Static const struct axe_type axe_devs[] = { 156 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 157 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 158 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 159 { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, 160 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, 161 { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, 162 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, 163 { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, 164 }; 165 #define axe_lookup(v, p) ((const struct axe_type *)usb_lookup(axe_devs, v, p)) 166 167 USB_DECLARE_DRIVER(axe); 168 169 Static int axe_tx_list_init(struct axe_softc *); 170 Static int axe_rx_list_init(struct axe_softc *); 171 Static int axe_newbuf(struct axe_softc *, struct axe_chain *, struct mbuf *); 172 Static int axe_encap(struct axe_softc *, struct mbuf *, int); 173 Static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 174 Static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 175 Static void axe_tick(void *); 176 Static void axe_tick_task(void *); 177 #if 0 178 Static void axe_rxstart(struct ifnet *); 179 #endif 180 Static void axe_start(struct ifnet *); 181 Static int axe_ioctl(struct ifnet *, u_long, caddr_t); 182 Static void axe_init(void *); 183 Static void axe_stop(struct axe_softc *); 184 Static void axe_watchdog(struct ifnet *); 185 Static int axe_miibus_readreg(device_ptr_t, int, int); 186 Static void axe_miibus_writereg(device_ptr_t, int, int, int); 187 Static void axe_miibus_statchg(device_ptr_t); 188 Static int axe_cmd(struct axe_softc *, int, int, int, void *); 189 Static int axe_ifmedia_upd(struct ifnet *); 190 Static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 191 Static void axe_reset(struct axe_softc *sc); 192 193 Static void axe_setmulti(struct axe_softc *); 194 Static void axe_lock_mii(struct axe_softc *sc); 195 Static void axe_unlock_mii(struct axe_softc *sc); 196 197 /* Get exclusive access to the MII registers */ 198 Static void 199 axe_lock_mii(struct axe_softc *sc) 200 { 201 sc->axe_refcnt++; 202 usb_lockmgr(&sc->axe_mii_lock, LK_EXCLUSIVE, NULL); 203 } 204 205 Static void 206 axe_unlock_mii(struct axe_softc *sc) 207 { 208 usb_lockmgr(&sc->axe_mii_lock, LK_RELEASE, NULL); 209 if (--sc->axe_refcnt < 0) 210 usb_detach_wakeup(USBDEV(sc->axe_dev)); 211 } 212 213 Static int 214 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 215 { 216 usb_device_request_t req; 217 usbd_status err; 218 219 if (sc->axe_dying) 220 return(0); 221 222 axe_lock_mii(sc); 223 if (AXE_CMD_DIR(cmd)) 224 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 225 else 226 req.bmRequestType = UT_READ_VENDOR_DEVICE; 227 req.bRequest = AXE_CMD_CMD(cmd); 228 USETW(req.wValue, val); 229 USETW(req.wIndex, index); 230 USETW(req.wLength, AXE_CMD_LEN(cmd)); 231 232 err = usbd_do_request(sc->axe_udev, &req, buf); 233 axe_unlock_mii(sc); 234 235 if (err) 236 return(-1); 237 238 return(0); 239 } 240 241 Static int 242 axe_miibus_readreg(device_ptr_t dev, int phy, int reg) 243 { 244 struct axe_softc *sc = USBGETSOFTC(dev); 245 usbd_status err; 246 u_int16_t val; 247 248 if (sc->axe_dying) { 249 DPRINTF(("axe: dying\n")); 250 return(0); 251 } 252 253 #ifdef notdef 254 /* 255 * The chip tells us the MII address of any supported 256 * PHYs attached to the chip, so only read from those. 257 */ 258 259 if (sc->axe_phyaddrs[0] != AXE_NOPHY && phy != sc->axe_phyaddrs[0]) 260 return (0); 261 262 if (sc->axe_phyaddrs[1] != AXE_NOPHY && phy != sc->axe_phyaddrs[1]) 263 return (0); 264 #endif 265 if (sc->axe_phyaddrs[0] != 0xFF && sc->axe_phyaddrs[0] != phy) 266 return (0); 267 268 val = 0; 269 270 axe_lock_mii(sc); 271 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 272 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); 273 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 274 axe_unlock_mii(sc); 275 276 if (err) { 277 printf("%s: read PHY failed\n", USBDEVNAME(sc->axe_dev)); 278 return(-1); 279 } 280 281 if (val) 282 sc->axe_phyaddrs[0] = phy; 283 284 return (le16toh(val)); 285 } 286 287 Static void 288 axe_miibus_writereg(device_ptr_t dev, int phy, int reg, int aval) 289 { 290 struct axe_softc *sc = USBGETSOFTC(dev); 291 usbd_status err; 292 u_int16_t val; 293 294 if (sc->axe_dying) 295 return; 296 297 val = htole16(aval); 298 axe_lock_mii(sc); 299 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 300 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 301 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 302 axe_unlock_mii(sc); 303 304 if (err) { 305 printf("%s: write PHY failed\n", USBDEVNAME(sc->axe_dev)); 306 return; 307 } 308 } 309 310 Static void 311 axe_miibus_statchg(device_ptr_t dev) 312 { 313 struct axe_softc *sc = USBGETSOFTC(dev); 314 struct mii_data *mii = GET_MII(sc); 315 int val, err; 316 317 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 318 val = AXE_MEDIA_FULL_DUPLEX; 319 else 320 val = 0; 321 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 322 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 323 if (err) { 324 printf("%s: media change failed\n", USBDEVNAME(sc->axe_dev)); 325 return; 326 } 327 } 328 329 /* 330 * Set media options. 331 */ 332 Static int 333 axe_ifmedia_upd(struct ifnet *ifp) 334 { 335 struct axe_softc *sc = ifp->if_softc; 336 struct mii_data *mii = GET_MII(sc); 337 338 sc->axe_link = 0; 339 if (mii->mii_instance) { 340 struct mii_softc *miisc; 341 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 342 mii_phy_reset(miisc); 343 } 344 mii_mediachg(mii); 345 346 return (0); 347 } 348 349 /* 350 * Report current media status. 351 */ 352 Static void 353 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 354 { 355 struct axe_softc *sc = ifp->if_softc; 356 struct mii_data *mii = GET_MII(sc); 357 358 mii_pollstat(mii); 359 ifmr->ifm_active = mii->mii_media_active; 360 ifmr->ifm_status = mii->mii_media_status; 361 } 362 363 Static void 364 axe_setmulti(struct axe_softc *sc) 365 { 366 struct ifnet *ifp; 367 struct ether_multi *enm; 368 struct ether_multistep step; 369 u_int32_t h = 0; 370 u_int16_t rxmode; 371 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 372 373 if (sc->axe_dying) 374 return; 375 376 ifp = GET_IFP(sc); 377 378 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 379 rxmode = le16toh(rxmode); 380 381 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 382 allmulti: 383 rxmode |= AXE_RXCMD_ALLMULTI; 384 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 385 return; 386 } else 387 rxmode &= ~AXE_RXCMD_ALLMULTI; 388 389 /* now program new ones */ 390 #if defined(__NetBSD__) 391 ETHER_FIRST_MULTI(step, &sc->axe_ec, enm); 392 #else 393 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 394 #endif 395 while (enm != NULL) { 396 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 397 ETHER_ADDR_LEN) != 0) 398 goto allmulti; 399 400 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 401 hashtbl[h / 8] |= 1 << (h % 8); 402 ETHER_NEXT_MULTI(step, enm); 403 } 404 405 ifp->if_flags &= ~IFF_ALLMULTI; 406 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 407 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 408 return; 409 } 410 411 Static void 412 axe_reset(struct axe_softc *sc) 413 { 414 if (sc->axe_dying) 415 return; 416 /* XXX What to reset? */ 417 418 /* Wait a little while for the chip to get its brains in order. */ 419 DELAY(1000); 420 return; 421 } 422 423 /* 424 * Probe for a AX88172 chip. 425 */ 426 USB_MATCH(axe) 427 { 428 USB_MATCH_START(axe, uaa); 429 430 if (!uaa->iface) { 431 return(UMATCH_NONE); 432 } 433 434 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 435 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 436 } 437 438 /* 439 * Attach the interface. Allocate softc structures, do ifmedia 440 * setup and ethernet/BPF attach. 441 */ 442 USB_ATTACH(axe) 443 { 444 USB_ATTACH_START(axe, sc, uaa); 445 usbd_device_handle dev = uaa->device; 446 usbd_status err; 447 usb_interface_descriptor_t *id; 448 usb_endpoint_descriptor_t *ed; 449 struct mii_data *mii; 450 u_char eaddr[ETHER_ADDR_LEN]; 451 char *devinfop; 452 char *devname = USBDEVNAME(sc->axe_dev); 453 struct ifnet *ifp; 454 int i, s; 455 456 devinfop = usbd_devinfo_alloc(dev, 0); 457 USB_ATTACH_SETUP; 458 459 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 460 if (err) { 461 printf("%s: getting interface handle failed\n", 462 USBDEVNAME(sc->axe_dev)); 463 usbd_devinfo_free(devinfop); 464 USB_ATTACH_ERROR_RETURN; 465 } 466 467 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 468 lockinit(&sc->axe_mii_lock, PZERO, "axemii", 0, LK_CANRECURSE); 469 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc); 470 471 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 472 if (err) { 473 printf("%s: getting interface handle failed\n", 474 USBDEVNAME(sc->axe_dev)); 475 usbd_devinfo_free(devinfop); 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), devinfop); 486 usbd_devinfo_free(devinfop); 487 488 /* Find endpoints. */ 489 for (i = 0; i < id->bNumEndpoints; i++) { 490 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 491 if (!ed) { 492 printf("%s: couldn't get ep %d\n", 493 USBDEVNAME(sc->axe_dev), i); 494 USB_ATTACH_ERROR_RETURN; 495 } 496 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 497 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 498 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 499 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 500 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 501 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 502 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 503 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 504 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 505 } 506 } 507 508 s = splnet(); 509 510 /* 511 * Get station address. 512 */ 513 axe_cmd(sc, AXE_CMD_READ_NODEID, 0, 0, &eaddr); 514 515 /* 516 * Load IPG values and PHY indexes. 517 */ 518 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 519 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 520 521 /* 522 * Work around broken adapters that appear to lie about 523 * their PHY addresses. 524 */ 525 sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; 526 527 /* 528 * An ASIX chip was detected. Inform the world. 529 */ 530 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->axe_dev), 531 ether_sprintf(eaddr)); 532 533 /* Initialize interface info.*/ 534 ifp = GET_IFP(sc); 535 ifp->if_softc = sc; 536 strncpy(ifp->if_xname, devname, IFNAMSIZ); 537 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 538 ifp->if_ioctl = axe_ioctl; 539 ifp->if_start = axe_start; 540 541 ifp->if_watchdog = axe_watchdog; 542 543 /* ifp->if_baudrate = 10000000; */ 544 /* ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;*/ 545 546 IFQ_SET_READY(&ifp->if_snd); 547 548 /* Initialize MII/media info. */ 549 mii = &sc->axe_mii; 550 mii->mii_ifp = ifp; 551 mii->mii_readreg = axe_miibus_readreg; 552 mii->mii_writereg = axe_miibus_writereg; 553 mii->mii_statchg = axe_miibus_statchg; 554 mii->mii_flags = MIIF_AUTOTSLEEP; 555 556 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, axe_ifmedia_sts); 557 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 558 559 if (LIST_FIRST(&mii->mii_phys) == NULL) { 560 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 561 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 562 } else 563 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 564 565 /* Attach the interface. */ 566 if_attach(ifp); 567 Ether_ifattach(ifp, eaddr); 568 #if NRND > 0 569 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->axe_dev), 570 RND_TYPE_NET, 0); 571 #endif 572 573 usb_callout_init(sc->axe_stat_ch); 574 575 sc->axe_attached = 1; 576 splx(s); 577 578 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, 579 USBDEV(sc->axe_dev)); 580 581 USB_ATTACH_SUCCESS_RETURN; 582 } 583 584 USB_DETACH(axe) 585 { 586 USB_DETACH_START(axe, sc); 587 int s; 588 struct ifnet *ifp = GET_IFP(sc); 589 590 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 591 592 /* Detached before attached finished, so just bail out. */ 593 if (!sc->axe_attached) 594 return (0); 595 596 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 597 598 sc->axe_dying = 1; 599 600 ether_ifdetach(ifp); 601 602 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 603 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 604 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 605 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 606 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 607 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 608 609 /* 610 * Remove any pending tasks. They cannot be executing because they run 611 * in the same thread as detach. 612 */ 613 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 614 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 615 616 s = splusb(); 617 618 if (--sc->axe_refcnt >= 0) { 619 /* Wait for processes to go away */ 620 usb_detach_wait(USBDEV(sc->axe_dev)); 621 } 622 623 if (ifp->if_flags & IFF_RUNNING) 624 axe_stop(sc); 625 626 #if defined(__NetBSD__) 627 #if NRND > 0 628 rnd_detach_source(&sc->rnd_source); 629 #endif 630 #endif /* __NetBSD__ */ 631 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 632 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 633 ether_ifdetach(ifp); 634 if_detach(ifp); 635 636 #ifdef DIAGNOSTIC 637 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 638 sc->axe_ep[AXE_ENDPT_RX] != NULL || 639 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 640 printf("%s: detach has active endpoints\n", 641 USBDEVNAME(sc->axe_dev)); 642 #endif 643 644 sc->axe_attached = 0; 645 646 if (--sc->axe_refcnt >= 0) { 647 /* Wait for processes to go away. */ 648 usb_detach_wait(USBDEV(sc->axe_dev)); 649 } 650 splx(s); 651 652 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, 653 USBDEV(sc->axe_dev)); 654 655 return (0); 656 } 657 658 int 659 axe_activate(device_ptr_t self, enum devact act) 660 { 661 struct axe_softc *sc = (struct axe_softc *)self; 662 663 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 664 665 switch (act) { 666 case DVACT_ACTIVATE: 667 return (EOPNOTSUPP); 668 break; 669 670 case DVACT_DEACTIVATE: 671 if_deactivate(&sc->axe_ec.ec_if); 672 sc->axe_dying = 1; 673 break; 674 } 675 return (0); 676 } 677 678 /* 679 * Initialize an RX descriptor and attach an MBUF cluster. 680 */ 681 Static int 682 axe_newbuf(struct axe_softc *sc, struct axe_chain *c, struct mbuf *m) 683 { 684 struct mbuf *m_new = NULL; 685 686 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 687 688 if (m == NULL) { 689 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 690 if (m_new == NULL) { 691 printf("%s: no memory for rx list " 692 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 693 return (ENOBUFS); 694 } 695 696 MCLGET(m_new, M_DONTWAIT); 697 if (!(m_new->m_flags & M_EXT)) { 698 printf("%s: no memory for rx list " 699 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 700 m_freem(m_new); 701 return (ENOBUFS); 702 } 703 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 704 } else { 705 m_new = m; 706 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 707 m_new->m_data = m_new->m_ext.ext_buf; 708 } 709 710 m_adj(m_new, ETHER_ALIGN); 711 c->axe_mbuf = m_new; 712 713 return (0); 714 } 715 716 Static int 717 axe_rx_list_init(struct axe_softc *sc) 718 { 719 struct axe_cdata *cd; 720 struct axe_chain *c; 721 int i; 722 723 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 724 725 cd = &sc->axe_cdata; 726 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 727 c = &cd->axe_rx_chain[i]; 728 c->axe_sc = sc; 729 c->axe_idx = i; 730 if (axe_newbuf(sc, c, NULL) == ENOBUFS) 731 return (ENOBUFS); 732 if (c->axe_xfer == NULL) { 733 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 734 if (c->axe_xfer == NULL) 735 return (ENOBUFS); 736 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 737 if (c->axe_buf == NULL) { 738 usbd_free_xfer(c->axe_xfer); 739 return (ENOBUFS); 740 } 741 } 742 } 743 744 return (0); 745 } 746 747 Static int 748 axe_tx_list_init(struct axe_softc *sc) 749 { 750 struct axe_cdata *cd; 751 struct axe_chain *c; 752 int i; 753 754 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 755 756 cd = &sc->axe_cdata; 757 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 758 c = &cd->axe_tx_chain[i]; 759 c->axe_sc = sc; 760 c->axe_idx = i; 761 c->axe_mbuf = NULL; 762 if (c->axe_xfer == NULL) { 763 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 764 if (c->axe_xfer == NULL) 765 return (ENOBUFS); 766 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 767 if (c->axe_buf == NULL) { 768 usbd_free_xfer(c->axe_xfer); 769 return (ENOBUFS); 770 } 771 } 772 } 773 774 return (0); 775 } 776 777 #if 0 778 Static void 779 axe_rxstart(struct ifnet *ifp) 780 { 781 struct axe_softc *sc; 782 struct axe_chain *c; 783 784 sc = ifp->if_softc; 785 axe_lock_mii(sc); 786 c = &sc->axe_cdata.axe_rx_chain[sc->axe_cdata.axe_rx_prod]; 787 788 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 789 ifp->if_ierrors++; 790 axe_unlock_mii(sc); 791 return; 792 } 793 794 /* Setup new transfer. */ 795 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 796 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, USBD_SHORT_XFER_OK, 797 USBD_NO_TIMEOUT, axe_rxeof); 798 usbd_transfer(c->axe_xfer); 799 axe_unlock_mii(sc); 800 801 return; 802 } 803 #endif 804 805 /* 806 * A frame has been uploaded: pass the resulting mbuf chain up to 807 * the higher level protocols. 808 */ 809 Static void 810 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 811 { 812 struct axe_softc *sc; 813 struct axe_chain *c; 814 struct ifnet *ifp; 815 struct mbuf *m; 816 u_int32_t total_len; 817 int s; 818 819 c = priv; 820 sc = c->axe_sc; 821 ifp = GET_IFP(sc); 822 823 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 824 825 if (sc->axe_dying) 826 return; 827 828 if (!(ifp->if_flags & IFF_RUNNING)) 829 return; 830 831 if (status != USBD_NORMAL_COMPLETION) { 832 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 833 return; 834 if (usbd_ratecheck(&sc->axe_rx_notice)) { 835 printf("%s: usb errors on rx: %s\n", 836 USBDEVNAME(sc->axe_dev), usbd_errstr(status)); 837 } 838 if (status == USBD_STALLED) 839 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 840 goto done; 841 } 842 843 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 844 845 m = c->axe_mbuf; 846 847 if (total_len <= sizeof(struct ether_header)) { 848 ifp->if_ierrors++; 849 goto done; 850 } 851 852 ifp->if_ipackets++; 853 m->m_pkthdr.rcvif = ifp; 854 m->m_pkthdr.len = m->m_len = total_len; 855 856 857 memcpy(mtod(c->axe_mbuf, char *), c->axe_buf, total_len); 858 859 /* No errors; receive the packet. */ 860 total_len -= ETHER_CRC_LEN + 4; 861 862 s = splnet(); 863 864 /* XXX ugly */ 865 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 866 ifp->if_ierrors++; 867 goto done1; 868 } 869 870 #if NBPFILTER > 0 871 if (ifp->if_bpf) 872 BPF_MTAP(ifp, m); 873 #endif 874 875 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->axe_dev), 876 __func__, m->m_len)); 877 IF_INPUT(ifp, m); 878 done1: 879 splx(s); 880 881 done: 882 883 /* Setup new transfer. */ 884 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 885 c, c->axe_buf, AXE_BUFSZ, 886 USBD_SHORT_XFER_OK | USBD_NO_COPY, 887 USBD_NO_TIMEOUT, axe_rxeof); 888 usbd_transfer(xfer); 889 890 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->axe_dev), 891 __func__)); 892 return; 893 } 894 895 /* 896 * A frame was downloaded to the chip. It's safe for us to clean up 897 * the list buffers. 898 */ 899 900 Static void 901 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 902 usbd_status status) 903 { 904 struct axe_softc *sc; 905 struct axe_chain *c; 906 struct ifnet *ifp; 907 int s; 908 909 c = priv; 910 sc = c->axe_sc; 911 ifp = GET_IFP(sc); 912 913 if (sc->axe_dying) 914 return; 915 916 s = splnet(); 917 918 if (status != USBD_NORMAL_COMPLETION) { 919 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 920 splx(s); 921 return; 922 } 923 ifp->if_oerrors++; 924 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->axe_dev), 925 usbd_errstr(status)); 926 if (status == USBD_STALLED) 927 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 928 splx(s); 929 return; 930 } 931 932 ifp->if_timer = 0; 933 ifp->if_flags &= ~IFF_OACTIVE; 934 935 m_freem(c->axe_mbuf); 936 c->axe_mbuf = NULL; 937 938 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 939 axe_start(ifp); 940 941 ifp->if_opackets++; 942 splx(s); 943 return; 944 } 945 946 Static void 947 axe_tick(void *xsc) 948 { 949 struct axe_softc *sc = xsc; 950 951 if (sc == NULL) 952 return; 953 954 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), 955 __func__)); 956 957 if (sc->axe_dying) 958 return; 959 960 /* Perform periodic stuff in process context */ 961 usb_add_task(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER); 962 963 } 964 965 Static void 966 axe_tick_task(void *xsc) 967 { 968 int s; 969 struct axe_softc *sc; 970 struct ifnet *ifp; 971 struct mii_data *mii; 972 973 sc = xsc; 974 975 if (sc == NULL) 976 return; 977 978 if (sc->axe_dying) 979 return; 980 981 ifp = GET_IFP(sc); 982 mii = GET_MII(sc); 983 if (mii == NULL) 984 return; 985 986 s = splnet(); 987 988 mii_tick(mii); 989 if (!sc->axe_link) { 990 mii_pollstat(mii); 991 if (mii->mii_media_status & IFM_ACTIVE && 992 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 993 DPRINTF(("%s: %s: got link\n", 994 USBDEVNAME(sc->axe_dev), __func__)); 995 sc->axe_link++; 996 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 997 axe_start(ifp); 998 } 999 } 1000 1001 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1002 1003 splx(s); 1004 } 1005 1006 Static int 1007 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1008 { 1009 struct axe_chain *c; 1010 usbd_status err; 1011 1012 c = &sc->axe_cdata.axe_tx_chain[idx]; 1013 1014 /* 1015 * Copy the mbuf data into a contiguous buffer, leaving two 1016 * bytes at the beginning to hold the frame length. 1017 */ 1018 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1019 c->axe_mbuf = m; 1020 1021 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1022 c, c->axe_buf, m->m_pkthdr.len, USBD_FORCE_SHORT_XFER, 10000, 1023 axe_txeof); 1024 1025 /* Transmit */ 1026 err = usbd_transfer(c->axe_xfer); 1027 if (err != USBD_IN_PROGRESS) { 1028 axe_stop(sc); 1029 return(EIO); 1030 } 1031 1032 sc->axe_cdata.axe_tx_cnt++; 1033 1034 return(0); 1035 } 1036 1037 Static void 1038 axe_start(struct ifnet *ifp) 1039 { 1040 struct axe_softc *sc; 1041 struct mbuf *m_head = NULL; 1042 1043 sc = ifp->if_softc; 1044 1045 if (!sc->axe_link) { 1046 return; 1047 } 1048 1049 if (ifp->if_flags & IFF_OACTIVE) { 1050 return; 1051 } 1052 1053 IF_DEQUEUE(&ifp->if_snd, m_head); 1054 if (m_head == NULL) { 1055 return; 1056 } 1057 1058 if (axe_encap(sc, m_head, 0)) { 1059 IF_PREPEND(&ifp->if_snd, m_head); 1060 ifp->if_flags |= IFF_OACTIVE; 1061 return; 1062 } 1063 1064 /* 1065 * If there's a BPF listener, bounce a copy of this frame 1066 * to him. 1067 */ 1068 #if NBPFILTER > 0 1069 if (ifp->if_bpf) 1070 BPF_MTAP(ifp, m_head); 1071 #endif 1072 1073 ifp->if_flags |= IFF_OACTIVE; 1074 1075 /* 1076 * Set a timeout in case the chip goes out to lunch. 1077 */ 1078 ifp->if_timer = 5; 1079 1080 return; 1081 } 1082 1083 Static void 1084 axe_init(void *xsc) 1085 { 1086 struct axe_softc *sc = xsc; 1087 struct ifnet *ifp = GET_IFP(sc); 1088 struct axe_chain *c; 1089 usbd_status err; 1090 int rxmode; 1091 int i, s; 1092 1093 if (ifp->if_flags & IFF_RUNNING) 1094 return; 1095 1096 s = splnet(); 1097 1098 /* 1099 * Cancel pending I/O and free all RX/TX buffers. 1100 */ 1101 axe_reset(sc); 1102 1103 /* Enable RX logic. */ 1104 1105 /* Init RX ring. */ 1106 if (axe_rx_list_init(sc) == ENOBUFS) { 1107 printf("%s: rx list init failed\n", USBDEVNAME(sc->axe_dev)); 1108 splx(s); 1109 return; 1110 } 1111 1112 /* Init TX ring. */ 1113 if (axe_tx_list_init(sc) == ENOBUFS) { 1114 printf("%s: tx list init failed\n", USBDEVNAME(sc->axe_dev)); 1115 splx(s); 1116 return; 1117 } 1118 1119 /* Set transmitter IPG values */ 1120 axe_cmd(sc, AXE_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1121 axe_cmd(sc, AXE_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1122 axe_cmd(sc, AXE_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1123 1124 /* Enable receiver, set RX mode */ 1125 rxmode = AXE_RXCMD_UNICAST|AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1126 1127 /* If we want promiscuous mode, set the allframes bit. */ 1128 if (ifp->if_flags & IFF_PROMISC) 1129 rxmode |= AXE_RXCMD_PROMISC; 1130 1131 if (ifp->if_flags & IFF_BROADCAST) 1132 rxmode |= AXE_RXCMD_BROADCAST; 1133 1134 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1135 1136 /* Load the multicast filter. */ 1137 axe_setmulti(sc); 1138 1139 /* Open RX and TX pipes. */ 1140 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1141 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1142 if (err) { 1143 printf("%s: open rx pipe failed: %s\n", 1144 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1145 splx(s); 1146 return; 1147 } 1148 1149 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1150 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1151 if (err) { 1152 printf("%s: open tx pipe failed: %s\n", 1153 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1154 splx(s); 1155 return; 1156 } 1157 1158 /* Start up the receive pipe. */ 1159 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1160 c = &sc->axe_cdata.axe_rx_chain[i]; 1161 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1162 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, 1163 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axe_rxeof); 1164 usbd_transfer(c->axe_xfer); 1165 } 1166 1167 ifp->if_flags |= IFF_RUNNING; 1168 ifp->if_flags &= ~IFF_OACTIVE; 1169 1170 splx(s); 1171 1172 usb_callout_init(sc->axe_stat_ch); 1173 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1174 return; 1175 } 1176 1177 Static int 1178 axe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1179 { 1180 struct axe_softc *sc = ifp->if_softc; 1181 struct ifreq *ifr = (struct ifreq *)data; 1182 struct ifaddr *ifa = (struct ifaddr *)data; 1183 struct mii_data *mii; 1184 u_int16_t rxmode; 1185 int error = 0; 1186 1187 switch(cmd) { 1188 case SIOCSIFADDR: 1189 ifp->if_flags |= IFF_UP; 1190 axe_init(sc); 1191 1192 switch (ifa->ifa_addr->sa_family) { 1193 #ifdef INET 1194 case AF_INET: 1195 #if defined(__NetBSD__) 1196 arp_ifinit(ifp, ifa); 1197 #else 1198 arp_ifinit(&sc->arpcom, ifa); 1199 #endif 1200 break; 1201 #endif /* INET */ 1202 } 1203 break; 1204 1205 case SIOCSIFMTU: 1206 if (ifr->ifr_mtu > ETHERMTU) 1207 error = EINVAL; 1208 else 1209 ifp->if_mtu = ifr->ifr_mtu; 1210 break; 1211 1212 case SIOCSIFFLAGS: 1213 if (ifp->if_flags & IFF_UP) { 1214 if (ifp->if_flags & IFF_RUNNING && 1215 ifp->if_flags & IFF_PROMISC && 1216 !(sc->axe_if_flags & IFF_PROMISC)) { 1217 1218 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1219 0, 0, (void *)&rxmode); 1220 rxmode = le16toh(rxmode) | AXE_RXCMD_PROMISC; 1221 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1222 0, rxmode, NULL); 1223 1224 axe_setmulti(sc); 1225 } else if (ifp->if_flags & IFF_RUNNING && 1226 !(ifp->if_flags & IFF_PROMISC) && 1227 sc->axe_if_flags & IFF_PROMISC) { 1228 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1229 0, 0, (void *)&rxmode); 1230 rxmode = le16toh(rxmode) & ~AXE_RXCMD_PROMISC; 1231 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1232 0, rxmode, NULL); 1233 axe_setmulti(sc); 1234 } else if (!(ifp->if_flags & IFF_RUNNING)) 1235 axe_init(sc); 1236 } else { 1237 if (ifp->if_flags & IFF_RUNNING) 1238 axe_stop(sc); 1239 } 1240 sc->axe_if_flags = ifp->if_flags; 1241 error = 0; 1242 break; 1243 case SIOCADDMULTI: 1244 case SIOCDELMULTI: 1245 #ifdef __NetBSD__ 1246 error = (cmd == SIOCADDMULTI) ? 1247 ether_addmulti(ifr, &sc->axe_ec) : 1248 ether_delmulti(ifr, &sc->axe_ec); 1249 #else 1250 error = (cmd == SIOCADDMULTI) ? 1251 ether_addmulti(ifr, &sc->arpcom) : 1252 ether_delmulti(ifr, &sc->arpcom); 1253 #endif /* __NetBSD__ */ 1254 if (error == ENETRESET) { 1255 /* 1256 * Multicast list has changed; set the hardware 1257 * filter accordingly. 1258 */ 1259 if (ifp->if_flags & IFF_RUNNING) 1260 axe_setmulti(sc); 1261 error = 0; 1262 } 1263 break; 1264 case SIOCGIFMEDIA: 1265 case SIOCSIFMEDIA: 1266 mii = GET_MII(sc); 1267 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1268 break; 1269 1270 default: 1271 error = EINVAL; 1272 break; 1273 } 1274 1275 return(error); 1276 } 1277 1278 /* 1279 * XXX 1280 * You can't call axe_txeof since the USB transfer has not 1281 * completed yet. 1282 */ 1283 Static void 1284 axe_watchdog(struct ifnet *ifp) 1285 { 1286 struct axe_softc *sc; 1287 struct axe_chain *c; 1288 usbd_status stat; 1289 int s; 1290 1291 sc = ifp->if_softc; 1292 1293 ifp->if_oerrors++; 1294 printf("%s: watchdog timeout\n", USBDEVNAME(sc->axe_dev)); 1295 1296 s = splusb(); 1297 c = &sc->axe_cdata.axe_tx_chain[0]; 1298 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1299 axe_txeof(c->axe_xfer, c, stat); 1300 1301 if (ifp->if_snd.ifq_head != NULL) 1302 axe_start(ifp); 1303 splx(s); 1304 } 1305 1306 /* 1307 * Stop the adapter and free any mbufs allocated to the 1308 * RX and TX lists. 1309 */ 1310 Static void 1311 axe_stop(struct axe_softc *sc) 1312 { 1313 usbd_status err; 1314 struct ifnet *ifp; 1315 int i; 1316 1317 axe_reset(sc); 1318 1319 ifp = GET_IFP(sc); 1320 ifp->if_timer = 0; 1321 1322 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 1323 1324 /* Stop transfers. */ 1325 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1326 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1327 if (err) { 1328 printf("%s: abort rx pipe failed: %s\n", 1329 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1330 } 1331 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1332 if (err) { 1333 printf("%s: close rx pipe failed: %s\n", 1334 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1335 } 1336 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1337 } 1338 1339 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1340 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1341 if (err) { 1342 printf("%s: abort tx pipe failed: %s\n", 1343 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1344 } 1345 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1346 if (err) { 1347 printf("%s: close tx pipe failed: %s\n", 1348 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1349 } 1350 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1351 } 1352 1353 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1354 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1355 if (err) { 1356 printf("%s: abort intr pipe failed: %s\n", 1357 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1358 } 1359 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1360 if (err) { 1361 printf("%s: close intr pipe failed: %s\n", 1362 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1363 } 1364 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1365 } 1366 1367 /* Free RX resources. */ 1368 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1369 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1370 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1371 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1372 } 1373 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1374 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1375 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1376 } 1377 } 1378 1379 /* Free TX resources. */ 1380 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1381 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1382 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1383 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1384 } 1385 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1386 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1387 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1388 } 1389 } 1390 1391 sc->axe_link = 0; 1392 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1393 } 1394 1395