if_axe.c revision 1.23
1 /* $NetBSD: if_axe.c,v 1.23 2008/02/07 01:21:58 dyoung Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998, 1999, 2000-2003 5 * Bill Paul <wpaul (at) 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 (at) 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 (at) 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 1.23 2008/02/07 01:21:58 dyoung 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/mutex.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, void *); 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 void axe_reset(struct axe_softc *sc); 190 191 Static void axe_setmulti(struct axe_softc *); 192 Static void axe_lock_mii(struct axe_softc *sc); 193 Static void axe_unlock_mii(struct axe_softc *sc); 194 195 /* Get exclusive access to the MII registers */ 196 Static void 197 axe_lock_mii(struct axe_softc *sc) 198 { 199 sc->axe_refcnt++; 200 mutex_enter(&sc->axe_mii_lock); 201 } 202 203 Static void 204 axe_unlock_mii(struct axe_softc *sc) 205 { 206 mutex_exit(&sc->axe_mii_lock); 207 if (--sc->axe_refcnt < 0) 208 usb_detach_wakeup(USBDEV(sc->axe_dev)); 209 } 210 211 Static int 212 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 213 { 214 usb_device_request_t req; 215 usbd_status err; 216 217 KASSERT(mutex_owned(&sc->axe_mii_lock)); 218 219 if (sc->axe_dying) 220 return(0); 221 222 if (AXE_CMD_DIR(cmd)) 223 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 224 else 225 req.bmRequestType = UT_READ_VENDOR_DEVICE; 226 req.bRequest = AXE_CMD_CMD(cmd); 227 USETW(req.wValue, val); 228 USETW(req.wIndex, index); 229 USETW(req.wLength, AXE_CMD_LEN(cmd)); 230 231 err = usbd_do_request(sc->axe_udev, &req, buf); 232 233 if (err) 234 return(-1); 235 236 return(0); 237 } 238 239 Static int 240 axe_miibus_readreg(device_ptr_t dev, int phy, int reg) 241 { 242 struct axe_softc *sc = USBGETSOFTC(dev); 243 usbd_status err; 244 u_int16_t val; 245 246 if (sc->axe_dying) { 247 DPRINTF(("axe: dying\n")); 248 return(0); 249 } 250 251 #ifdef notdef 252 /* 253 * The chip tells us the MII address of any supported 254 * PHYs attached to the chip, so only read from those. 255 */ 256 257 if (sc->axe_phyaddrs[0] != AXE_NOPHY && phy != sc->axe_phyaddrs[0]) 258 return (0); 259 260 if (sc->axe_phyaddrs[1] != AXE_NOPHY && phy != sc->axe_phyaddrs[1]) 261 return (0); 262 #endif 263 if (sc->axe_phyaddrs[0] != 0xFF && sc->axe_phyaddrs[0] != phy) 264 return (0); 265 266 val = 0; 267 268 axe_lock_mii(sc); 269 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 270 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); 271 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 272 axe_unlock_mii(sc); 273 274 if (err) { 275 printf("%s: read PHY failed\n", USBDEVNAME(sc->axe_dev)); 276 return(-1); 277 } 278 279 if (val) 280 sc->axe_phyaddrs[0] = phy; 281 282 return (le16toh(val)); 283 } 284 285 Static void 286 axe_miibus_writereg(device_ptr_t dev, int phy, int reg, int aval) 287 { 288 struct axe_softc *sc = USBGETSOFTC(dev); 289 usbd_status err; 290 u_int16_t val; 291 292 if (sc->axe_dying) 293 return; 294 295 val = htole16(aval); 296 axe_lock_mii(sc); 297 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 298 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 299 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 300 axe_unlock_mii(sc); 301 302 if (err) { 303 printf("%s: write PHY failed\n", USBDEVNAME(sc->axe_dev)); 304 return; 305 } 306 } 307 308 Static void 309 axe_miibus_statchg(device_ptr_t dev) 310 { 311 struct axe_softc *sc = USBGETSOFTC(dev); 312 struct mii_data *mii = GET_MII(sc); 313 int val, err; 314 315 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 316 val = AXE_MEDIA_FULL_DUPLEX; 317 else 318 val = 0; 319 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 320 axe_lock_mii(sc); 321 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 322 axe_unlock_mii(sc); 323 if (err) { 324 printf("%s: media change failed\n", USBDEVNAME(sc->axe_dev)); 325 return; 326 } 327 } 328 329 Static void 330 axe_setmulti(struct axe_softc *sc) 331 { 332 struct ifnet *ifp; 333 struct ether_multi *enm; 334 struct ether_multistep step; 335 u_int32_t h = 0; 336 u_int16_t rxmode; 337 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 338 339 if (sc->axe_dying) 340 return; 341 342 ifp = GET_IFP(sc); 343 344 axe_lock_mii(sc); 345 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 346 rxmode = le16toh(rxmode); 347 348 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 349 allmulti: 350 rxmode |= AXE_RXCMD_ALLMULTI; 351 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 352 return; 353 } else 354 rxmode &= ~AXE_RXCMD_ALLMULTI; 355 356 /* now program new ones */ 357 #if defined(__NetBSD__) 358 ETHER_FIRST_MULTI(step, &sc->axe_ec, enm); 359 #else 360 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 361 #endif 362 while (enm != NULL) { 363 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 364 ETHER_ADDR_LEN) != 0) 365 goto allmulti; 366 367 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 368 hashtbl[h / 8] |= 1 << (h % 8); 369 ETHER_NEXT_MULTI(step, enm); 370 } 371 372 ifp->if_flags &= ~IFF_ALLMULTI; 373 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 374 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 375 axe_unlock_mii(sc); 376 return; 377 } 378 379 Static void 380 axe_reset(struct axe_softc *sc) 381 { 382 if (sc->axe_dying) 383 return; 384 /* XXX What to reset? */ 385 386 /* Wait a little while for the chip to get its brains in order. */ 387 DELAY(1000); 388 return; 389 } 390 391 /* 392 * Probe for a AX88172 chip. 393 */ 394 USB_MATCH(axe) 395 { 396 USB_MATCH_START(axe, uaa); 397 398 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 399 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 400 } 401 402 /* 403 * Attach the interface. Allocate softc structures, do ifmedia 404 * setup and ethernet/BPF attach. 405 */ 406 USB_ATTACH(axe) 407 { 408 USB_ATTACH_START(axe, sc, uaa); 409 usbd_device_handle dev = uaa->device; 410 usbd_status err; 411 usb_interface_descriptor_t *id; 412 usb_endpoint_descriptor_t *ed; 413 struct mii_data *mii; 414 u_char eaddr[ETHER_ADDR_LEN]; 415 char *devinfop; 416 char *devname = USBDEVNAME(sc->axe_dev); 417 struct ifnet *ifp; 418 int i, s; 419 420 devinfop = usbd_devinfo_alloc(dev, 0); 421 USB_ATTACH_SETUP; 422 423 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 424 if (err) { 425 printf("%s: getting interface handle failed\n", 426 USBDEVNAME(sc->axe_dev)); 427 usbd_devinfo_free(devinfop); 428 USB_ATTACH_ERROR_RETURN; 429 } 430 431 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 432 mutex_init(&sc->axe_mii_lock, MUTEX_DEFAULT, IPL_NONE); 433 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc); 434 435 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 436 if (err) { 437 printf("%s: getting interface handle failed\n", 438 USBDEVNAME(sc->axe_dev)); 439 usbd_devinfo_free(devinfop); 440 USB_ATTACH_ERROR_RETURN; 441 } 442 443 sc->axe_udev = dev; 444 sc->axe_product = uaa->product; 445 sc->axe_vendor = uaa->vendor; 446 447 id = usbd_get_interface_descriptor(sc->axe_iface); 448 449 printf("%s: %s\n", USBDEVNAME(sc->axe_dev), devinfop); 450 usbd_devinfo_free(devinfop); 451 452 /* Find endpoints. */ 453 for (i = 0; i < id->bNumEndpoints; i++) { 454 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 455 if (!ed) { 456 printf("%s: couldn't get ep %d\n", 457 USBDEVNAME(sc->axe_dev), i); 458 USB_ATTACH_ERROR_RETURN; 459 } 460 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 461 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 462 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 463 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 464 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 465 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 466 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 467 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 468 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 469 } 470 } 471 472 s = splnet(); 473 474 /* 475 * Get station address. 476 */ 477 axe_lock_mii(sc); 478 axe_cmd(sc, AXE_CMD_READ_NODEID, 0, 0, &eaddr); 479 480 /* 481 * Load IPG values and PHY indexes. 482 */ 483 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 484 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 485 axe_unlock_mii(sc); 486 487 /* 488 * Work around broken adapters that appear to lie about 489 * their PHY addresses. 490 */ 491 sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; 492 493 /* 494 * An ASIX chip was detected. Inform the world. 495 */ 496 printf("%s: Ethernet address %s\n", USBDEVNAME(sc->axe_dev), 497 ether_sprintf(eaddr)); 498 499 /* Initialize interface info.*/ 500 ifp = GET_IFP(sc); 501 ifp->if_softc = sc; 502 strncpy(ifp->if_xname, devname, IFNAMSIZ); 503 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 504 ifp->if_ioctl = axe_ioctl; 505 ifp->if_start = axe_start; 506 507 ifp->if_watchdog = axe_watchdog; 508 509 /* ifp->if_baudrate = 10000000; */ 510 /* ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;*/ 511 512 IFQ_SET_READY(&ifp->if_snd); 513 514 /* Initialize MII/media info. */ 515 mii = &sc->axe_mii; 516 mii->mii_ifp = ifp; 517 mii->mii_readreg = axe_miibus_readreg; 518 mii->mii_writereg = axe_miibus_writereg; 519 mii->mii_statchg = axe_miibus_statchg; 520 mii->mii_flags = MIIF_AUTOTSLEEP; 521 522 sc->axe_ec.ec_mii = mii; 523 ifmedia_init(&mii->mii_media, 0, ether_mediachange, ether_mediastatus); 524 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 525 526 if (LIST_EMPTY(&mii->mii_phys)) { 527 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 528 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 529 } else 530 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 531 532 /* Attach the interface. */ 533 if_attach(ifp); 534 Ether_ifattach(ifp, eaddr); 535 #if NRND > 0 536 rnd_attach_source(&sc->rnd_source, USBDEVNAME(sc->axe_dev), 537 RND_TYPE_NET, 0); 538 #endif 539 540 usb_callout_init(sc->axe_stat_ch); 541 542 sc->axe_attached = 1; 543 splx(s); 544 545 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, 546 USBDEV(sc->axe_dev)); 547 548 USB_ATTACH_SUCCESS_RETURN; 549 } 550 551 USB_DETACH(axe) 552 { 553 USB_DETACH_START(axe, sc); 554 int s; 555 struct ifnet *ifp = GET_IFP(sc); 556 557 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 558 559 /* Detached before attached finished, so just bail out. */ 560 if (!sc->axe_attached) 561 return (0); 562 563 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 564 565 sc->axe_dying = 1; 566 567 ether_ifdetach(ifp); 568 569 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 570 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 571 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 572 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 573 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 574 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 575 576 /* 577 * Remove any pending tasks. They cannot be executing because they run 578 * in the same thread as detach. 579 */ 580 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 581 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 582 583 s = splusb(); 584 585 if (--sc->axe_refcnt >= 0) { 586 /* Wait for processes to go away */ 587 usb_detach_wait(USBDEV(sc->axe_dev)); 588 } 589 590 if (ifp->if_flags & IFF_RUNNING) 591 axe_stop(sc); 592 593 #if defined(__NetBSD__) 594 #if NRND > 0 595 rnd_detach_source(&sc->rnd_source); 596 #endif 597 #endif /* __NetBSD__ */ 598 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 599 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 600 ether_ifdetach(ifp); 601 if_detach(ifp); 602 603 #ifdef DIAGNOSTIC 604 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 605 sc->axe_ep[AXE_ENDPT_RX] != NULL || 606 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 607 printf("%s: detach has active endpoints\n", 608 USBDEVNAME(sc->axe_dev)); 609 #endif 610 611 sc->axe_attached = 0; 612 613 if (--sc->axe_refcnt >= 0) { 614 /* Wait for processes to go away. */ 615 usb_detach_wait(USBDEV(sc->axe_dev)); 616 } 617 splx(s); 618 619 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, 620 USBDEV(sc->axe_dev)); 621 622 return (0); 623 } 624 625 int 626 axe_activate(device_ptr_t self, enum devact act) 627 { 628 struct axe_softc *sc = (struct axe_softc *)self; 629 630 DPRINTFN(2,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 631 632 switch (act) { 633 case DVACT_ACTIVATE: 634 return (EOPNOTSUPP); 635 break; 636 637 case DVACT_DEACTIVATE: 638 if_deactivate(&sc->axe_ec.ec_if); 639 sc->axe_dying = 1; 640 break; 641 } 642 return (0); 643 } 644 645 /* 646 * Initialize an RX descriptor and attach an MBUF cluster. 647 */ 648 Static int 649 axe_newbuf(struct axe_softc *sc, struct axe_chain *c, struct mbuf *m) 650 { 651 struct mbuf *m_new = NULL; 652 653 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 654 655 if (m == NULL) { 656 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 657 if (m_new == NULL) { 658 printf("%s: no memory for rx list " 659 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 660 return (ENOBUFS); 661 } 662 663 MCLGET(m_new, M_DONTWAIT); 664 if (!(m_new->m_flags & M_EXT)) { 665 printf("%s: no memory for rx list " 666 "-- packet dropped!\n", USBDEVNAME(sc->axe_dev)); 667 m_freem(m_new); 668 return (ENOBUFS); 669 } 670 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 671 } else { 672 m_new = m; 673 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 674 m_new->m_data = m_new->m_ext.ext_buf; 675 } 676 677 m_adj(m_new, ETHER_ALIGN); 678 c->axe_mbuf = m_new; 679 680 return (0); 681 } 682 683 Static int 684 axe_rx_list_init(struct axe_softc *sc) 685 { 686 struct axe_cdata *cd; 687 struct axe_chain *c; 688 int i; 689 690 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 691 692 cd = &sc->axe_cdata; 693 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 694 c = &cd->axe_rx_chain[i]; 695 c->axe_sc = sc; 696 c->axe_idx = i; 697 if (axe_newbuf(sc, c, NULL) == ENOBUFS) 698 return (ENOBUFS); 699 if (c->axe_xfer == NULL) { 700 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 701 if (c->axe_xfer == NULL) 702 return (ENOBUFS); 703 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 704 if (c->axe_buf == NULL) { 705 usbd_free_xfer(c->axe_xfer); 706 return (ENOBUFS); 707 } 708 } 709 } 710 711 return (0); 712 } 713 714 Static int 715 axe_tx_list_init(struct axe_softc *sc) 716 { 717 struct axe_cdata *cd; 718 struct axe_chain *c; 719 int i; 720 721 DPRINTF(("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), __func__)); 722 723 cd = &sc->axe_cdata; 724 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 725 c = &cd->axe_tx_chain[i]; 726 c->axe_sc = sc; 727 c->axe_idx = i; 728 c->axe_mbuf = NULL; 729 if (c->axe_xfer == NULL) { 730 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 731 if (c->axe_xfer == NULL) 732 return (ENOBUFS); 733 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, AXE_BUFSZ); 734 if (c->axe_buf == NULL) { 735 usbd_free_xfer(c->axe_xfer); 736 return (ENOBUFS); 737 } 738 } 739 } 740 741 return (0); 742 } 743 744 #if 0 745 Static void 746 axe_rxstart(struct ifnet *ifp) 747 { 748 struct axe_softc *sc; 749 struct axe_chain *c; 750 751 sc = ifp->if_softc; 752 axe_lock_mii(sc); 753 c = &sc->axe_cdata.axe_rx_chain[sc->axe_cdata.axe_rx_prod]; 754 755 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 756 ifp->if_ierrors++; 757 axe_unlock_mii(sc); 758 return; 759 } 760 761 /* Setup new transfer. */ 762 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 763 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, USBD_SHORT_XFER_OK, 764 USBD_NO_TIMEOUT, axe_rxeof); 765 usbd_transfer(c->axe_xfer); 766 axe_unlock_mii(sc); 767 768 return; 769 } 770 #endif 771 772 /* 773 * A frame has been uploaded: pass the resulting mbuf chain up to 774 * the higher level protocols. 775 */ 776 Static void 777 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 778 { 779 struct axe_softc *sc; 780 struct axe_chain *c; 781 struct ifnet *ifp; 782 struct mbuf *m; 783 u_int32_t total_len; 784 int s; 785 786 c = priv; 787 sc = c->axe_sc; 788 ifp = GET_IFP(sc); 789 790 DPRINTFN(10,("%s: %s: enter\n", USBDEVNAME(sc->axe_dev),__func__)); 791 792 if (sc->axe_dying) 793 return; 794 795 if (!(ifp->if_flags & IFF_RUNNING)) 796 return; 797 798 if (status != USBD_NORMAL_COMPLETION) { 799 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 800 return; 801 if (usbd_ratecheck(&sc->axe_rx_notice)) { 802 printf("%s: usb errors on rx: %s\n", 803 USBDEVNAME(sc->axe_dev), usbd_errstr(status)); 804 } 805 if (status == USBD_STALLED) 806 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 807 goto done; 808 } 809 810 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 811 812 m = c->axe_mbuf; 813 814 if (total_len <= sizeof(struct ether_header)) { 815 ifp->if_ierrors++; 816 goto done; 817 } 818 819 ifp->if_ipackets++; 820 m->m_pkthdr.rcvif = ifp; 821 m->m_pkthdr.len = m->m_len = total_len; 822 823 824 memcpy(mtod(c->axe_mbuf, char *), c->axe_buf, total_len); 825 826 /* No errors; receive the packet. */ 827 total_len -= ETHER_CRC_LEN + 4; 828 829 s = splnet(); 830 831 /* XXX ugly */ 832 if (axe_newbuf(sc, c, NULL) == ENOBUFS) { 833 ifp->if_ierrors++; 834 goto done1; 835 } 836 837 #if NBPFILTER > 0 838 if (ifp->if_bpf) 839 BPF_MTAP(ifp, m); 840 #endif 841 842 DPRINTFN(10,("%s: %s: deliver %d\n", USBDEVNAME(sc->axe_dev), 843 __func__, m->m_len)); 844 IF_INPUT(ifp, m); 845 done1: 846 splx(s); 847 848 done: 849 850 /* Setup new transfer. */ 851 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 852 c, c->axe_buf, AXE_BUFSZ, 853 USBD_SHORT_XFER_OK | USBD_NO_COPY, 854 USBD_NO_TIMEOUT, axe_rxeof); 855 usbd_transfer(xfer); 856 857 DPRINTFN(10,("%s: %s: start rx\n", USBDEVNAME(sc->axe_dev), 858 __func__)); 859 return; 860 } 861 862 /* 863 * A frame was downloaded to the chip. It's safe for us to clean up 864 * the list buffers. 865 */ 866 867 Static void 868 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 869 usbd_status status) 870 { 871 struct axe_softc *sc; 872 struct axe_chain *c; 873 struct ifnet *ifp; 874 int s; 875 876 c = priv; 877 sc = c->axe_sc; 878 ifp = GET_IFP(sc); 879 880 if (sc->axe_dying) 881 return; 882 883 s = splnet(); 884 885 if (status != USBD_NORMAL_COMPLETION) { 886 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 887 splx(s); 888 return; 889 } 890 ifp->if_oerrors++; 891 printf("%s: usb error on tx: %s\n", USBDEVNAME(sc->axe_dev), 892 usbd_errstr(status)); 893 if (status == USBD_STALLED) 894 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 895 splx(s); 896 return; 897 } 898 899 ifp->if_timer = 0; 900 ifp->if_flags &= ~IFF_OACTIVE; 901 902 m_freem(c->axe_mbuf); 903 c->axe_mbuf = NULL; 904 905 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 906 axe_start(ifp); 907 908 ifp->if_opackets++; 909 splx(s); 910 return; 911 } 912 913 Static void 914 axe_tick(void *xsc) 915 { 916 struct axe_softc *sc = xsc; 917 918 if (sc == NULL) 919 return; 920 921 DPRINTFN(0xff, ("%s: %s: enter\n", USBDEVNAME(sc->axe_dev), 922 __func__)); 923 924 if (sc->axe_dying) 925 return; 926 927 /* Perform periodic stuff in process context */ 928 usb_add_task(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER); 929 930 } 931 932 Static void 933 axe_tick_task(void *xsc) 934 { 935 int s; 936 struct axe_softc *sc; 937 struct ifnet *ifp; 938 struct mii_data *mii; 939 940 sc = xsc; 941 942 if (sc == NULL) 943 return; 944 945 if (sc->axe_dying) 946 return; 947 948 ifp = GET_IFP(sc); 949 mii = GET_MII(sc); 950 if (mii == NULL) 951 return; 952 953 s = splnet(); 954 955 mii_tick(mii); 956 957 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 958 959 splx(s); 960 } 961 962 Static int 963 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 964 { 965 struct axe_chain *c; 966 usbd_status err; 967 968 c = &sc->axe_cdata.axe_tx_chain[idx]; 969 970 /* 971 * Copy the mbuf data into a contiguous buffer, leaving two 972 * bytes at the beginning to hold the frame length. 973 */ 974 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 975 c->axe_mbuf = m; 976 977 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 978 c, c->axe_buf, m->m_pkthdr.len, USBD_FORCE_SHORT_XFER, 10000, 979 axe_txeof); 980 981 /* Transmit */ 982 err = usbd_transfer(c->axe_xfer); 983 if (err != USBD_IN_PROGRESS) { 984 axe_stop(sc); 985 return(EIO); 986 } 987 988 sc->axe_cdata.axe_tx_cnt++; 989 990 return(0); 991 } 992 993 Static void 994 axe_start(struct ifnet *ifp) 995 { 996 struct axe_softc *sc; 997 struct mbuf *m_head = NULL; 998 999 sc = ifp->if_softc; 1000 1001 if ((ifp->if_flags & (IFF_OACTIVE|IFF_RUNNING)) != IFF_RUNNING) 1002 return; 1003 1004 IF_DEQUEUE(&ifp->if_snd, m_head); 1005 if (m_head == NULL) { 1006 return; 1007 } 1008 1009 if (axe_encap(sc, m_head, 0)) { 1010 IF_PREPEND(&ifp->if_snd, m_head); 1011 ifp->if_flags |= IFF_OACTIVE; 1012 return; 1013 } 1014 1015 /* 1016 * If there's a BPF listener, bounce a copy of this frame 1017 * to him. 1018 */ 1019 #if NBPFILTER > 0 1020 if (ifp->if_bpf) 1021 BPF_MTAP(ifp, m_head); 1022 #endif 1023 1024 ifp->if_flags |= IFF_OACTIVE; 1025 1026 /* 1027 * Set a timeout in case the chip goes out to lunch. 1028 */ 1029 ifp->if_timer = 5; 1030 1031 return; 1032 } 1033 1034 Static void 1035 axe_init(void *xsc) 1036 { 1037 struct axe_softc *sc = xsc; 1038 struct ifnet *ifp = GET_IFP(sc); 1039 struct axe_chain *c; 1040 usbd_status err; 1041 int rxmode; 1042 int i, s; 1043 1044 if (ifp->if_flags & IFF_RUNNING) 1045 return; 1046 1047 s = splnet(); 1048 1049 /* 1050 * Cancel pending I/O and free all RX/TX buffers. 1051 */ 1052 axe_reset(sc); 1053 1054 /* Enable RX logic. */ 1055 1056 /* Init RX ring. */ 1057 if (axe_rx_list_init(sc) == ENOBUFS) { 1058 printf("%s: rx list init failed\n", USBDEVNAME(sc->axe_dev)); 1059 splx(s); 1060 return; 1061 } 1062 1063 /* Init TX ring. */ 1064 if (axe_tx_list_init(sc) == ENOBUFS) { 1065 printf("%s: tx list init failed\n", USBDEVNAME(sc->axe_dev)); 1066 splx(s); 1067 return; 1068 } 1069 1070 /* Set transmitter IPG values */ 1071 axe_lock_mii(sc); 1072 axe_cmd(sc, AXE_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1073 axe_cmd(sc, AXE_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1074 axe_cmd(sc, AXE_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1075 1076 /* Enable receiver, set RX mode */ 1077 rxmode = AXE_RXCMD_UNICAST|AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1078 1079 /* If we want promiscuous mode, set the allframes bit. */ 1080 if (ifp->if_flags & IFF_PROMISC) 1081 rxmode |= AXE_RXCMD_PROMISC; 1082 1083 if (ifp->if_flags & IFF_BROADCAST) 1084 rxmode |= AXE_RXCMD_BROADCAST; 1085 1086 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1087 axe_unlock_mii(sc); 1088 1089 /* Load the multicast filter. */ 1090 axe_setmulti(sc); 1091 1092 /* Open RX and TX pipes. */ 1093 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1094 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1095 if (err) { 1096 printf("%s: open rx pipe failed: %s\n", 1097 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1098 splx(s); 1099 return; 1100 } 1101 1102 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1103 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1104 if (err) { 1105 printf("%s: open tx pipe failed: %s\n", 1106 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1107 splx(s); 1108 return; 1109 } 1110 1111 /* Start up the receive pipe. */ 1112 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1113 c = &sc->axe_cdata.axe_rx_chain[i]; 1114 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1115 c, mtod(c->axe_mbuf, char *), AXE_BUFSZ, 1116 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axe_rxeof); 1117 usbd_transfer(c->axe_xfer); 1118 } 1119 1120 ifp->if_flags |= IFF_RUNNING; 1121 ifp->if_flags &= ~IFF_OACTIVE; 1122 1123 splx(s); 1124 1125 usb_callout_init(sc->axe_stat_ch); 1126 usb_callout(sc->axe_stat_ch, hz, axe_tick, sc); 1127 return; 1128 } 1129 1130 Static int 1131 axe_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1132 { 1133 struct axe_softc *sc = ifp->if_softc; 1134 struct ifreq *ifr = (struct ifreq *)data; 1135 struct ifaddr *ifa = (struct ifaddr *)data; 1136 u_int16_t rxmode; 1137 int error = 0; 1138 1139 switch(cmd) { 1140 case SIOCSIFADDR: 1141 ifp->if_flags |= IFF_UP; 1142 axe_init(sc); 1143 1144 switch (ifa->ifa_addr->sa_family) { 1145 #ifdef INET 1146 case AF_INET: 1147 #if defined(__NetBSD__) 1148 arp_ifinit(ifp, ifa); 1149 #else 1150 arp_ifinit(&sc->arpcom, ifa); 1151 #endif 1152 break; 1153 #endif /* INET */ 1154 } 1155 break; 1156 1157 case SIOCSIFMTU: 1158 if (ifr->ifr_mtu < ETHERMIN || ifr->ifr_mtu > ETHERMTU) 1159 error = EINVAL; 1160 else if ((error = ifioctl_common(ifp, cmd, data)) == ENETRESET) 1161 error = 0; 1162 break; 1163 1164 case SIOCSIFFLAGS: 1165 if (ifp->if_flags & IFF_UP) { 1166 if (ifp->if_flags & IFF_RUNNING && 1167 ifp->if_flags & IFF_PROMISC && 1168 !(sc->axe_if_flags & IFF_PROMISC)) { 1169 1170 axe_lock_mii(sc); 1171 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1172 0, 0, (void *)&rxmode); 1173 rxmode = le16toh(rxmode) | AXE_RXCMD_PROMISC; 1174 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1175 0, rxmode, NULL); 1176 axe_unlock_mii(sc); 1177 1178 axe_setmulti(sc); 1179 } else if (ifp->if_flags & IFF_RUNNING && 1180 !(ifp->if_flags & IFF_PROMISC) && 1181 sc->axe_if_flags & IFF_PROMISC) { 1182 axe_lock_mii(sc); 1183 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1184 0, 0, (void *)&rxmode); 1185 rxmode = le16toh(rxmode) & ~AXE_RXCMD_PROMISC; 1186 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1187 0, rxmode, NULL); 1188 axe_unlock_mii(sc); 1189 axe_setmulti(sc); 1190 } else if (!(ifp->if_flags & IFF_RUNNING)) 1191 axe_init(sc); 1192 } else { 1193 if (ifp->if_flags & IFF_RUNNING) 1194 axe_stop(sc); 1195 } 1196 sc->axe_if_flags = ifp->if_flags; 1197 error = 0; 1198 break; 1199 case SIOCADDMULTI: 1200 case SIOCDELMULTI: 1201 case SIOCGIFMEDIA: 1202 case SIOCSIFMEDIA: 1203 error = ether_ioctl(ifp, cmd, data); 1204 if (error == ENETRESET) { 1205 /* 1206 * Multicast list has changed; set the hardware 1207 * filter accordingly. 1208 */ 1209 if (ifp->if_flags & IFF_RUNNING) 1210 axe_setmulti(sc); 1211 error = 0; 1212 } 1213 break; 1214 default: 1215 error = EINVAL; 1216 break; 1217 } 1218 1219 return(error); 1220 } 1221 1222 /* 1223 * XXX 1224 * You can't call axe_txeof since the USB transfer has not 1225 * completed yet. 1226 */ 1227 Static void 1228 axe_watchdog(struct ifnet *ifp) 1229 { 1230 struct axe_softc *sc; 1231 struct axe_chain *c; 1232 usbd_status stat; 1233 int s; 1234 1235 sc = ifp->if_softc; 1236 1237 ifp->if_oerrors++; 1238 printf("%s: watchdog timeout\n", USBDEVNAME(sc->axe_dev)); 1239 1240 s = splusb(); 1241 c = &sc->axe_cdata.axe_tx_chain[0]; 1242 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1243 axe_txeof(c->axe_xfer, c, stat); 1244 1245 if (ifp->if_snd.ifq_head != NULL) 1246 axe_start(ifp); 1247 splx(s); 1248 } 1249 1250 /* 1251 * Stop the adapter and free any mbufs allocated to the 1252 * RX and TX lists. 1253 */ 1254 Static void 1255 axe_stop(struct axe_softc *sc) 1256 { 1257 usbd_status err; 1258 struct ifnet *ifp; 1259 int i; 1260 1261 axe_reset(sc); 1262 1263 ifp = GET_IFP(sc); 1264 ifp->if_timer = 0; 1265 1266 usb_uncallout(sc->axe_stat_ch, axe_tick, sc); 1267 1268 /* Stop transfers. */ 1269 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1270 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1271 if (err) { 1272 printf("%s: abort rx pipe failed: %s\n", 1273 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1274 } 1275 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1276 if (err) { 1277 printf("%s: close rx pipe failed: %s\n", 1278 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1279 } 1280 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1281 } 1282 1283 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1284 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1285 if (err) { 1286 printf("%s: abort tx pipe failed: %s\n", 1287 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1288 } 1289 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1290 if (err) { 1291 printf("%s: close tx pipe failed: %s\n", 1292 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1293 } 1294 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1295 } 1296 1297 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1298 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1299 if (err) { 1300 printf("%s: abort intr pipe failed: %s\n", 1301 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1302 } 1303 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1304 if (err) { 1305 printf("%s: close intr pipe failed: %s\n", 1306 USBDEVNAME(sc->axe_dev), usbd_errstr(err)); 1307 } 1308 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1309 } 1310 1311 /* Free RX resources. */ 1312 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1313 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1314 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1315 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1316 } 1317 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1318 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1319 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1320 } 1321 } 1322 1323 /* Free TX resources. */ 1324 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1325 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1326 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1327 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1328 } 1329 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1330 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1331 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1332 } 1333 } 1334 1335 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1336 } 1337 1338
Indexes created Thu Sep 25 08:09:54 GMT 2025