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sys/dev/usb/if_axe.c
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1 /*- 2 * Copyright (c) 1997, 1998, 1999, 2000-2003 3 * Bill Paul <wpaul@windriver.com>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __FBSDID("$FreeBSD: releng/7.3/sys/dev/usb/if_axe.c 188260 2009-02-07 01:43:04Z thompsa $"); 35 36 /* 37 * ASIX Electronics AX88172/AX88178/AX88778 USB 2.0 ethernet driver. 38 * Used in the LinkSys USB200M and various other adapters. 39 * 40 * Manuals available from: 41 * http://www.asix.com.tw/datasheet/mac/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 #include <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/endian.h> 73 #include <sys/sockio.h> 74 #include <sys/mbuf.h> 75 #include <sys/malloc.h> 76 #include <sys/lock.h> 77 #include <sys/kernel.h> 78 #include <sys/module.h> 79 #include <sys/socket.h> 80 #include <sys/sx.h> 81 82 #include <net/if.h> 83 #include <net/if_arp.h> 84 #include <net/ethernet.h> 85 #include <net/if_dl.h> 86 #include <net/if_media.h> 87 #include <net/if_types.h> 88 89 #include <net/bpf.h> 90 91 #include <sys/bus.h> 92 #include <machine/bus.h> 93 94 #include <dev/usb/usb.h> 95 #include <dev/usb/usbdi.h> 96 #include <dev/usb/usbdi_util.h> 97 #include <dev/usb/usbdivar.h> 98 #include "usbdevs.h" 99 #include <dev/usb/usb_ethersubr.h> 100 101 #include <dev/mii/mii.h> 102 #include <dev/mii/miivar.h> 103 104 /* "device miibus" required. See GENERIC if you get errors here. */ 105 #include "miibus_if.h" 106 107 /* 108 * AXE_178_MAX_FRAME_BURST 109 * max frame burst size for Ax88178 and Ax88772 110 * 0 2048 bytes 111 * 1 4096 bytes 112 * 2 8192 bytes 113 * 3 16384 bytes 114 * use the largest your system can handle without usb stalling. 115 * 116 * NB: 88772 parts appear to generate lots of input errors with 117 * a 2K rx buffer and 8K is only slightly faster than 4K on an 118 * EHCI port on a T42 so change at your own risk. 119 */ 120 #define AXE_178_MAX_FRAME_BURST 1 121 122 #include <dev/usb/if_axereg.h> 123 124 /* 125 * Various supported device vendors/products. 126 */ 127 const struct axe_type axe_devs[] = { 128 { { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UF200}, 0 }, 129 { { USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2}, 0 }, 130 { { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET}, AX772 }, 131 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 132 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772}, AX772 }, 133 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, 134 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, 135 { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, 136 { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, 137 { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, 138 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 139 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 140 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, 141 { { USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_GWUSB2E}, 0 }, 142 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_ETGUS2 }, AX178 }, 143 { { USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_PRX1}, 0 }, 144 { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, 145 { { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_USB1000 }, AX178 }, 146 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, 147 { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, 148 { { USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01PLUS }, AX772 }, 149 { { USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GU1000T }, AX178 }, 150 { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, 151 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, 152 { { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN028 }, AX178 } 153 }; 154 155 #define axe_lookup(v, p) ((const struct axe_type *)usb_lookup(axe_devs, v, p)) 156 157 static device_probe_t axe_match; 158 static device_attach_t axe_attach; 159 static device_detach_t axe_detach; 160 static device_shutdown_t axe_shutdown; 161 static miibus_readreg_t axe_miibus_readreg; 162 static miibus_writereg_t axe_miibus_writereg; 163 static miibus_statchg_t axe_miibus_statchg; 164 165 static int axe_encap(struct axe_softc *, struct mbuf *, int); 166 static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 167 static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 168 static void axe_tick(void *); 169 static void axe_tick_task(void *); 170 static void axe_start(struct ifnet *); 171 static int axe_ioctl(struct ifnet *, u_long, caddr_t); 172 static void axe_init(void *); 173 static void axe_stop(struct axe_softc *); 174 static void axe_watchdog(struct ifnet *); 175 static int axe_cmd(struct axe_softc *, int, int, int, void *); 176 static int axe_ifmedia_upd(struct ifnet *); 177 static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 178 179 static void axe_setmulti(struct axe_softc *); 180 181 static device_method_t axe_methods[] = { 182 /* Device interface */ 183 DEVMETHOD(device_probe, axe_match), 184 DEVMETHOD(device_attach, axe_attach), 185 DEVMETHOD(device_detach, axe_detach), 186 DEVMETHOD(device_shutdown, axe_shutdown), 187 188 /* bus interface */ 189 DEVMETHOD(bus_print_child, bus_generic_print_child), 190 DEVMETHOD(bus_driver_added, bus_generic_driver_added), 191 192 /* MII interface */ 193 DEVMETHOD(miibus_readreg, axe_miibus_readreg), 194 DEVMETHOD(miibus_writereg, axe_miibus_writereg), 195 DEVMETHOD(miibus_statchg, axe_miibus_statchg), 196 197 { 0, 0 } 198 }; 199 200 static driver_t axe_driver = { 201 "axe", 202 axe_methods, 203 sizeof(struct axe_softc) 204 }; 205 206 static devclass_t axe_devclass; 207 208 DRIVER_MODULE(axe, uhub, axe_driver, axe_devclass, usbd_driver_load, 0); 209 DRIVER_MODULE(miibus, axe, miibus_driver, miibus_devclass, 0, 0); 210 MODULE_DEPEND(axe, usb, 1, 1, 1); 211 MODULE_DEPEND(axe, miibus, 1, 1, 1); 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 AXE_SLEEPLOCKASSERT(sc); 220 if (sc->axe_dying) 221 return(0); 222 223 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); 233 234 if (err) 235 return(-1); 236 237 return(0); 238 } 239 240 static int 241 axe_miibus_readreg(device_t dev, int phy, int reg) 242 { 243 struct axe_softc *sc = device_get_softc(dev); 244 usbd_status err; 245 u_int16_t val; 246 247 if (sc->axe_dying) 248 return(0); 249 250 AXE_SLEEPLOCKASSERT(sc); 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 AXE_LOCK(sc); 267 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 268 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); 269 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 270 AXE_UNLOCK(sc); 271 272 if (err) { 273 device_printf(sc->axe_dev, "read PHY failed\n"); 274 return(-1); 275 } 276 277 if (val && val != 0xffff) 278 sc->axe_phyaddrs[0] = phy; 279 280 return (le16toh(val)); 281 } 282 283 static int 284 axe_miibus_writereg(device_t dev, int phy, int reg, int val) 285 { 286 struct axe_softc *sc = device_get_softc(dev); 287 usbd_status err; 288 289 if (sc->axe_dying) 290 return(0); 291 292 AXE_SLEEPLOCKASSERT(sc); 293 AXE_LOCK(sc); 294 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 295 val = htole32(val); 296 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 297 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 298 AXE_UNLOCK(sc); 299 300 if (err) { 301 device_printf(sc->axe_dev, "write PHY failed\n"); 302 return(-1); 303 } 304 305 return (0); 306 } 307 308 static void 309 axe_miibus_statchg(device_t dev) 310 { 311 struct axe_softc *sc = device_get_softc(dev); 312 struct mii_data *mii = GET_MII(sc); 313 int val, err; 314 315 val = (mii->mii_media_active & IFM_GMASK) == IFM_FDX ? 316 AXE_MEDIA_FULL_DUPLEX : 0; 317 if (sc->axe_flags & (AX178|AX772)) { 318 val |= AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC; 319 320 switch (IFM_SUBTYPE(mii->mii_media_active)) { 321 case IFM_1000_T: 322 val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; 323 break; 324 case IFM_100_TX: 325 val |= AXE_178_MEDIA_100TX; 326 break; 327 case IFM_10_T: 328 /* doesn't need to be handled */ 329 break; 330 } 331 } 332 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 333 if (err) 334 device_printf(dev, "media change failed, error %d\n", err); 335 } 336 337 /* 338 * Set media options. 339 */ 340 static int 341 axe_ifmedia_upd(struct ifnet *ifp) 342 { 343 struct axe_softc *sc = ifp->if_softc; 344 struct mii_data *mii = GET_MII(sc); 345 346 sc->axe_link = 0; 347 if (mii->mii_instance) { 348 struct mii_softc *miisc; 349 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 350 mii_phy_reset(miisc); 351 } 352 mii_mediachg(mii); 353 354 return (0); 355 } 356 357 /* 358 * Report current media status. 359 */ 360 static void 361 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 362 { 363 struct axe_softc *sc = ifp->if_softc; 364 struct mii_data *mii = GET_MII(sc); 365 366 mii_pollstat(mii); 367 ifmr->ifm_active = mii->mii_media_active; 368 ifmr->ifm_status = mii->mii_media_status; 369 370 return; 371 } 372 373 static void 374 axe_setmulti(struct axe_softc *sc) 375 { 376 struct ifnet *ifp; 377 struct ifmultiaddr *ifma; 378 u_int32_t h = 0; 379 u_int16_t rxmode; 380 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 381 382 ifp = sc->axe_ifp; 383 384 AXE_LOCK(sc); 385 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 386 rxmode = le16toh(rxmode); 387 388 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 389 rxmode |= AXE_RXCMD_ALLMULTI; 390 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 391 AXE_UNLOCK(sc); 392 return; 393 } else 394 rxmode &= ~AXE_RXCMD_ALLMULTI; 395 396 IF_ADDR_LOCK(ifp); 397 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 398 { 399 if (ifma->ifma_addr->sa_family != AF_LINK) 400 continue; 401 h = ether_crc32_be(LLADDR((struct sockaddr_dl *) 402 ifma->ifma_addr), ETHER_ADDR_LEN) >> 26; 403 hashtbl[h / 8] |= 1 << (h % 8); 404 } 405 IF_ADDR_UNLOCK(ifp); 406 407 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 408 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 409 AXE_UNLOCK(sc); 410 411 return; 412 } 413 414 static void 415 axe_ax88178_init(struct axe_softc *sc) 416 { 417 int gpio0 = 0, phymode = 0; 418 u_int16_t eeprom; 419 420 axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); 421 /* XXX magic */ 422 axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); 423 eeprom = le16toh(eeprom); 424 axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); 425 426 /* if EEPROM is invalid we have to use to GPIO0 */ 427 if (eeprom == 0xffff) { 428 phymode = 0; 429 gpio0 = 1; 430 } else { 431 phymode = eeprom & 7; 432 gpio0 = (eeprom & 0x80) ? 0 : 1; 433 } 434 435 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x008c, NULL); 436 usbd_delay_ms(sc->axe_udev, 40); 437 if ((eeprom >> 8) != 1) { 438 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 439 usbd_delay_ms(sc->axe_udev, 30); 440 441 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); 442 usbd_delay_ms(sc->axe_udev, 300); 443 444 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 445 usbd_delay_ms(sc->axe_udev, 30); 446 } else { 447 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); 448 usbd_delay_ms(sc->axe_udev, 30); 449 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); 450 usbd_delay_ms(sc->axe_udev, 30); 451 } 452 453 /* soft reset */ 454 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 0, NULL); 455 usbd_delay_ms(sc->axe_udev, 150); 456 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 457 AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); 458 usbd_delay_ms(sc->axe_udev, 150); 459 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 460 } 461 462 static void 463 axe_ax88772_init(struct axe_softc *sc) 464 { 465 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x00b0, NULL); 466 usbd_delay_ms(sc->axe_udev, 40); 467 468 if (sc->axe_phyaddrs[1] == AXE_INTPHY) { 469 /* ask for embedded PHY */ 470 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); 471 usbd_delay_ms(sc->axe_udev, 10); 472 473 /* power down and reset state, pin reset state */ 474 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 475 usbd_delay_ms(sc->axe_udev, 60); 476 477 /* power down/reset state, pin operating state */ 478 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 479 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 480 usbd_delay_ms(sc->axe_udev, 150); 481 482 /* power up, reset */ 483 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL, NULL); 484 485 /* power up, operating */ 486 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 487 AXE_SW_RESET_IPRL | AXE_SW_RESET_PRL, NULL); 488 } else { 489 /* ask for external PHY */ 490 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x00, NULL); 491 usbd_delay_ms(sc->axe_udev, 10); 492 493 /* power down/reset state, pin operating state */ 494 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 495 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 496 } 497 498 usbd_delay_ms(sc->axe_udev, 150); 499 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 500 } 501 502 static void 503 axe_reset(struct axe_softc *sc) 504 { 505 if (sc->axe_dying) 506 return; 507 508 if (usbd_set_config_no(sc->axe_udev, AXE_CONFIG_NO, 1) || 509 usbd_device2interface_handle(sc->axe_udev, AXE_IFACE_IDX, 510 &sc->axe_iface)) { 511 device_printf(sc->axe_dev, "getting interface handle failed\n"); 512 } 513 514 /* Wait a little while for the chip to get its brains in order. */ 515 DELAY(1000); 516 return; 517 } 518 519 /* 520 * Probe for a AX88172 chip. 521 */ 522 static int 523 axe_match(device_t self) 524 { 525 struct usb_attach_arg *uaa = device_get_ivars(self); 526 527 if (!uaa->iface) 528 return(UMATCH_NONE); 529 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 530 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 531 } 532 533 /* 534 * Attach the interface. Allocate softc structures, do ifmedia 535 * setup and ethernet/BPF attach. 536 */ 537 static int 538 axe_attach(device_t self) 539 { 540 struct axe_softc *sc = device_get_softc(self); 541 struct usb_attach_arg *uaa = device_get_ivars(self); 542 const struct axe_type *type; 543 u_char eaddr[ETHER_ADDR_LEN]; 544 struct ifnet *ifp; 545 usb_interface_descriptor_t *id; 546 usb_endpoint_descriptor_t *ed; 547 int i; 548 549 sc->axe_udev = uaa->device; 550 sc->axe_dev = self; 551 type = axe_lookup(uaa->vendor, uaa->product); 552 if (type != NULL) 553 sc->axe_flags = type->axe_flags; 554 555 if (usbd_set_config_no(sc->axe_udev, AXE_CONFIG_NO, 1)) { 556 device_printf(sc->axe_dev, "getting interface handle failed\n"); 557 return ENXIO; 558 } 559 560 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 561 562 if (usbd_device2interface_handle(uaa->device, 563 AXE_IFACE_IDX, &sc->axe_iface)) { 564 device_printf(sc->axe_dev, "getting interface handle failed\n"); 565 return ENXIO; 566 } 567 568 sc->axe_boundary = 64; 569 if (sc->axe_flags & (AX178|AX772)) { 570 if (sc->axe_udev->speed == USB_SPEED_HIGH) { 571 sc->axe_bufsz = AXE_178_MAX_BUFSZ; 572 sc->axe_boundary = 512; 573 } else 574 sc->axe_bufsz = AXE_178_MIN_BUFSZ; 575 } else 576 sc->axe_bufsz = AXE_172_BUFSZ; 577 { /* XXX debug */ 578 device_printf(sc->axe_dev, "%s, bufsz %d, boundary %d\n", 579 sc->axe_flags & AX178 ? "AX88178" : 580 sc->axe_flags & AX772 ? "AX88772" : "AX88172", 581 sc->axe_bufsz, sc->axe_boundary); 582 } 583 584 id = usbd_get_interface_descriptor(sc->axe_iface); 585 586 /* Find endpoints. */ 587 for (i = 0; i < id->bNumEndpoints; i++) { 588 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 589 if (!ed) { 590 device_printf(sc->axe_dev, "couldn't get ep %d\n", i); 591 return ENXIO; 592 } 593 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 594 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 595 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 596 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 597 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 598 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 599 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 600 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 601 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 602 } 603 } 604 605 mtx_init(&sc->axe_mtx, device_get_nameunit(self), MTX_NETWORK_LOCK, 606 MTX_DEF | MTX_RECURSE); 607 sx_init(&sc->axe_sleeplock, device_get_nameunit(self)); 608 AXE_SLEEPLOCK(sc); 609 AXE_LOCK(sc); 610 611 /* We need the PHYID for the init dance in some cases */ 612 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 613 614 if (sc->axe_flags & AX178) 615 axe_ax88178_init(sc); 616 else if (sc->axe_flags & AX772) 617 axe_ax88772_init(sc); 618 619 /* 620 * Get station address. 621 */ 622 if (sc->axe_flags & (AX178|AX772)) 623 axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); 624 else 625 axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); 626 627 /* 628 * Fetch IPG values. 629 */ 630 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 631 632 /* 633 * Work around broken adapters that appear to lie about 634 * their PHY addresses. 635 */ 636 sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; 637 638 ifp = sc->axe_ifp = if_alloc(IFT_ETHER); 639 if (ifp == NULL) { 640 device_printf(sc->axe_dev, "can not if_alloc()\n"); 641 AXE_UNLOCK(sc); 642 AXE_SLEEPUNLOCK(sc); 643 sx_destroy(&sc->axe_sleeplock); 644 mtx_destroy(&sc->axe_mtx); 645 return ENXIO; 646 } 647 ifp->if_softc = sc; 648 if_initname(ifp, "axe", device_get_unit(sc->axe_dev)); 649 ifp->if_mtu = ETHERMTU; 650 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST | 651 IFF_NEEDSGIANT; 652 ifp->if_ioctl = axe_ioctl; 653 ifp->if_start = axe_start; 654 ifp->if_watchdog = axe_watchdog; 655 ifp->if_init = axe_init; 656 IFQ_SET_MAXLEN(&ifp->if_snd, IFQ_MAXLEN); 657 ifp->if_snd.ifq_drv_maxlen = IFQ_MAXLEN; 658 IFQ_SET_READY(&ifp->if_snd); 659 660 if (mii_phy_probe(self, &sc->axe_miibus, 661 axe_ifmedia_upd, axe_ifmedia_sts)) { 662 device_printf(sc->axe_dev, "MII without any PHY!\n"); 663 if_free(ifp); 664 AXE_UNLOCK(sc); 665 AXE_SLEEPUNLOCK(sc); 666 sx_destroy(&sc->axe_sleeplock); 667 mtx_destroy(&sc->axe_mtx); 668 return ENXIO; 669 } 670 671 /* 672 * Call MI attach routine. 673 */ 674 675 ether_ifattach(ifp, eaddr); 676 callout_handle_init(&sc->axe_stat_ch); 677 usb_register_netisr(); 678 679 sc->axe_dying = 0; 680 681 AXE_UNLOCK(sc); 682 AXE_SLEEPUNLOCK(sc); 683 684 return 0; 685 } 686 687 static int 688 axe_detach(device_t dev) 689 { 690 struct axe_softc *sc; 691 struct ifnet *ifp; 692 693 sc = device_get_softc(dev); 694 AXE_LOCK(sc); 695 ifp = sc->axe_ifp; 696 697 sc->axe_dying = 1; 698 untimeout(axe_tick, sc, sc->axe_stat_ch); 699 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 700 701 ether_ifdetach(ifp); 702 if_free(ifp); 703 704 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 705 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 706 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 707 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 708 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 709 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 710 711 AXE_UNLOCK(sc); 712 sx_destroy(&sc->axe_sleeplock); 713 mtx_destroy(&sc->axe_mtx); 714 715 return(0); 716 } 717 718 static int 719 axe_rx_list_init(struct axe_softc *sc) 720 { 721 struct axe_cdata *cd; 722 struct axe_chain *c; 723 int i; 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 c->axe_mbuf = NULL; 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, 736 sc->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 void 748 axe_rx_list_free(struct axe_softc *sc) 749 { 750 int i; 751 752 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 753 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 754 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 755 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 756 } 757 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 758 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 759 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 760 } 761 } 762 } 763 764 static int 765 axe_tx_list_init(struct axe_softc *sc) 766 { 767 struct axe_cdata *cd; 768 struct axe_chain *c; 769 int i; 770 771 cd = &sc->axe_cdata; 772 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 773 c = &cd->axe_tx_chain[i]; 774 c->axe_sc = sc; 775 c->axe_idx = i; 776 c->axe_mbuf = NULL; 777 if (c->axe_xfer == NULL) { 778 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 779 if (c->axe_xfer == NULL) 780 return (ENOBUFS); 781 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 782 sc->axe_bufsz); 783 if (c->axe_buf == NULL) { 784 usbd_free_xfer(c->axe_xfer); 785 return (ENOBUFS); 786 } 787 } 788 } 789 790 return (0); 791 } 792 793 static void 794 axe_tx_list_free(struct axe_softc *sc) 795 { 796 int i; 797 798 /* Free TX resources. */ 799 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 800 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 801 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 802 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 803 } 804 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 805 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 806 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 807 } 808 } 809 } 810 811 /* 812 * A frame has been uploaded: pass the resulting mbuf chain up to 813 * the higher level protocols. 814 */ 815 static void 816 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 817 { 818 struct axe_softc *sc; 819 struct axe_chain *c = (struct axe_chain *) priv; 820 struct mbuf *m; 821 u_char *buf; 822 struct ifnet *ifp; 823 struct axe_sframe_hdr *hdr; 824 int total_len = 0; 825 int pktlen = 0; 826 827 sc = c->axe_sc; 828 AXE_LOCK(sc); 829 ifp = sc->axe_ifp; 830 831 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 832 AXE_UNLOCK(sc); 833 return; 834 } 835 836 if (status != USBD_NORMAL_COMPLETION) { 837 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 838 AXE_UNLOCK(sc); 839 return; 840 } 841 if (usbd_ratecheck(&sc->axe_rx_notice)) 842 device_printf(sc->axe_dev, "usb error on rx: %s\n", 843 usbd_errstr(status)); 844 if (status == USBD_STALLED) 845 usbd_clear_endpoint_stall(sc->axe_ep[AXE_ENDPT_RX]); 846 goto done; 847 } 848 849 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 850 851 buf = c->axe_buf; 852 853 do { 854 if (sc->axe_flags & (AX178|AX772)) { 855 if (total_len < sizeof(struct axe_sframe_hdr)) { 856 ifp->if_ierrors++; 857 goto done; 858 } 859 if ((pktlen % 2) != 0) 860 pktlen++; 861 buf += pktlen; 862 863 hdr = (struct axe_sframe_hdr *) buf; 864 total_len -= sizeof(struct axe_sframe_hdr); 865 if ((hdr->len ^ hdr->ilen) != 0xffff) { 866 ifp->if_ierrors++; 867 goto done; 868 } 869 pktlen = le16toh(hdr->len); 870 if (pktlen > total_len) { 871 ifp->if_ierrors++; 872 goto done; 873 } 874 875 buf += sizeof(struct axe_sframe_hdr); 876 total_len -= pktlen + (pktlen % 2); 877 } else { 878 pktlen = total_len; 879 total_len = 0; 880 } 881 882 if (pktlen < sizeof(struct ether_header)) { 883 ifp->if_ierrors++; 884 goto done; 885 } 886 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 887 if (m == NULL) { 888 ifp->if_ierrors++; 889 goto done; 890 } 891 m->m_data += ETHER_ALIGN; 892 memcpy(mtod(m, void *), buf, pktlen); 893 m->m_pkthdr.len = m->m_len = pktlen; 894 m->m_pkthdr.rcvif = ifp; 895 896 ifp->if_input(ifp, m); 897 ifp->if_ipackets++; 898 } while (total_len > 0); 899 /* fall thru... */ 900 done: 901 /* Setup new transfer. */ 902 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 903 c, c->axe_buf, sc->axe_bufsz, USBD_SHORT_XFER_OK | USBD_NO_COPY, 904 USBD_NO_TIMEOUT, axe_rxeof); 905 usbd_transfer(xfer); 906 AXE_UNLOCK(sc); 907 908 return; 909 } 910 911 /* 912 * A frame was downloaded to the chip. It's safe for us to clean up 913 * the list buffers. 914 */ 915 916 static void 917 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 918 { 919 struct axe_softc *sc; 920 struct axe_chain *c; 921 struct ifnet *ifp; 922 usbd_status err; 923 924 c = priv; 925 sc = c->axe_sc; 926 AXE_LOCK(sc); 927 ifp = sc->axe_ifp; 928 929 if (status != USBD_NORMAL_COMPLETION) { 930 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 931 AXE_UNLOCK(sc); 932 return; 933 } 934 device_printf(sc->axe_dev, "usb error on tx: %s\n", 935 usbd_errstr(status)); 936 if (status == USBD_STALLED) 937 usbd_clear_endpoint_stall(sc->axe_ep[AXE_ENDPT_TX]); 938 AXE_UNLOCK(sc); 939 return; 940 } 941 942 ifp->if_timer = 0; 943 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 944 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &err); 945 946 if (c->axe_mbuf != NULL) { 947 m_freem(c->axe_mbuf); 948 c->axe_mbuf = NULL; 949 } 950 951 if (err) 952 ifp->if_oerrors++; 953 else 954 ifp->if_opackets++; 955 956 AXE_UNLOCK(sc); 957 958 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 959 axe_start(ifp); 960 961 return; 962 } 963 964 static void 965 axe_tick(void *xsc) 966 { 967 struct axe_softc *sc = xsc; 968 969 if (sc == NULL) 970 return; 971 if (sc->axe_dying) 972 return; 973 974 /* Perform periodic stuff in process context */ 975 usb_add_task(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER); 976 } 977 978 static void 979 axe_tick_task(void *xsc) 980 { 981 struct axe_softc *sc; 982 struct ifnet *ifp; 983 struct mii_data *mii; 984 985 sc = xsc; 986 987 if (sc == NULL) 988 return; 989 990 AXE_SLEEPLOCK(sc); 991 AXE_LOCK(sc); 992 993 ifp = sc->axe_ifp; 994 mii = GET_MII(sc); 995 if (mii == NULL) { 996 AXE_UNLOCK(sc); 997 AXE_SLEEPUNLOCK(sc); 998 return; 999 } 1000 1001 mii_tick(mii); 1002 if (!sc->axe_link && mii->mii_media_status & IFM_ACTIVE && 1003 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1004 sc->axe_link++; 1005 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1006 axe_start(ifp); 1007 } 1008 1009 sc->axe_stat_ch = timeout(axe_tick, sc, hz); 1010 1011 AXE_UNLOCK(sc); 1012 AXE_SLEEPUNLOCK(sc); 1013 1014 return; 1015 } 1016 1017 static int 1018 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1019 { 1020 struct axe_chain *c; 1021 usbd_status err; 1022 struct axe_sframe_hdr hdr; 1023 int length; 1024 1025 c = &sc->axe_cdata.axe_tx_chain[idx]; 1026 1027 /* 1028 * Copy the mbuf data into a contiguous buffer, leaving two 1029 * bytes at the beginning to hold the frame length. 1030 */ 1031 if (sc->axe_flags & (AX178|AX772)) { 1032 hdr.len = htole16(m->m_pkthdr.len); 1033 hdr.ilen = ~hdr.len; 1034 1035 memcpy(c->axe_buf, &hdr, sizeof(hdr)); 1036 length = sizeof(hdr); 1037 1038 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); 1039 length += m->m_pkthdr.len; 1040 1041 if ((length % sc->axe_boundary) == 0) { 1042 hdr.len = 0; 1043 hdr.ilen = 0xffff; 1044 memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); 1045 length += sizeof(hdr); 1046 } 1047 } else { 1048 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1049 length = m->m_pkthdr.len; 1050 } 1051 c->axe_mbuf = m; 1052 1053 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1054 c, c->axe_buf, length, USBD_FORCE_SHORT_XFER, 10000, axe_txeof); 1055 1056 /* Transmit */ 1057 err = usbd_transfer(c->axe_xfer); 1058 if (err != USBD_IN_PROGRESS) { 1059 /* XXX probably don't want to sleep here */ 1060 AXE_SLEEPLOCK(sc); 1061 axe_stop(sc); 1062 AXE_SLEEPUNLOCK(sc); 1063 return(EIO); 1064 } 1065 1066 sc->axe_cdata.axe_tx_cnt++; 1067 1068 return(0); 1069 } 1070 1071 static void 1072 axe_start(struct ifnet *ifp) 1073 { 1074 struct axe_softc *sc; 1075 struct mbuf *m_head = NULL; 1076 1077 sc = ifp->if_softc; 1078 AXE_LOCK(sc); 1079 1080 if (!sc->axe_link) { 1081 AXE_UNLOCK(sc); 1082 return; 1083 } 1084 1085 if (ifp->if_drv_flags & IFF_DRV_OACTIVE) { 1086 AXE_UNLOCK(sc); 1087 return; 1088 } 1089 1090 IFQ_DRV_DEQUEUE(&ifp->if_snd, m_head); 1091 if (m_head == NULL) { 1092 AXE_UNLOCK(sc); 1093 return; 1094 } 1095 1096 if (axe_encap(sc, m_head, 0)) { 1097 IFQ_DRV_PREPEND(&ifp->if_snd, m_head); 1098 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1099 AXE_UNLOCK(sc); 1100 return; 1101 } 1102 1103 /* 1104 * If there's a BPF listener, bounce a copy of this frame 1105 * to him. 1106 */ 1107 BPF_MTAP(ifp, m_head); 1108 1109 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1110 1111 /* 1112 * Set a timeout in case the chip goes out to lunch. 1113 */ 1114 ifp->if_timer = 5; 1115 AXE_UNLOCK(sc); 1116 1117 return; 1118 } 1119 1120 static void 1121 axe_init(void *xsc) 1122 { 1123 struct axe_softc *sc = xsc; 1124 struct ifnet *ifp = sc->axe_ifp; 1125 struct axe_chain *c; 1126 usbd_status err; 1127 int i; 1128 int rxmode; 1129 1130 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1131 return; 1132 1133 AXE_SLEEPLOCK(sc); 1134 AXE_LOCK(sc); 1135 1136 /* 1137 * Cancel pending I/O and free all RX/TX buffers. 1138 */ 1139 1140 axe_reset(sc); 1141 1142 #ifdef notdef 1143 /* Set MAC address */ 1144 axe_mac(sc, IF_LLADDR(sc->axe_ifp), 1); 1145 #endif 1146 1147 /* Enable RX logic. */ 1148 1149 /* Init TX ring. */ 1150 if (axe_tx_list_init(sc) == ENOBUFS) { 1151 device_printf(sc->axe_dev, "tx list init failed\n"); 1152 AXE_UNLOCK(sc); 1153 AXE_SLEEPUNLOCK(sc); 1154 return; 1155 } 1156 1157 /* Init RX ring. */ 1158 if (axe_rx_list_init(sc) == ENOBUFS) { 1159 device_printf(sc->axe_dev, "rx list init failed\n"); 1160 AXE_UNLOCK(sc); 1161 AXE_SLEEPUNLOCK(sc); 1162 return; 1163 } 1164 1165 /* Set transmitter IPG values */ 1166 if (sc->axe_flags & (AX178|AX772)) { 1167 axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], 1168 (sc->axe_ipgs[1]<<8) | sc->axe_ipgs[0], NULL); 1169 } else { 1170 axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1171 axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1172 axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1173 } 1174 1175 /* Enable receiver, set RX mode */ 1176 rxmode = AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1177 if (sc->axe_flags & (AX178|AX772)) { 1178 if (sc->axe_bufsz == AXE_178_MAX_BUFSZ) 1179 rxmode |= AXE_178_RXCMD_MFB; 1180 } else 1181 rxmode |= AXE_172_RXCMD_UNICAST; 1182 1183 /* If we want promiscuous mode, set the allframes bit. */ 1184 if (ifp->if_flags & IFF_PROMISC) 1185 rxmode |= AXE_RXCMD_PROMISC; 1186 1187 if (ifp->if_flags & IFF_BROADCAST) 1188 rxmode |= AXE_RXCMD_BROADCAST; 1189 1190 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1191 1192 /* Load the multicast filter. */ 1193 axe_setmulti(sc); 1194 1195 /* Open RX and TX pipes. */ 1196 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1197 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1198 if (err) { 1199 device_printf(sc->axe_dev, "open rx pipe failed: %s\n", 1200 usbd_errstr(err)); 1201 AXE_UNLOCK(sc); 1202 AXE_SLEEPUNLOCK(sc); 1203 return; 1204 } 1205 1206 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1207 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1208 if (err) { 1209 device_printf(sc->axe_dev, "open tx pipe failed: %s\n", 1210 usbd_errstr(err)); 1211 AXE_UNLOCK(sc); 1212 AXE_SLEEPUNLOCK(sc); 1213 return; 1214 } 1215 1216 /* Start up the receive pipe. */ 1217 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1218 c = &sc->axe_cdata.axe_rx_chain[i]; 1219 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1220 c, c->axe_buf, sc->axe_bufsz, 1221 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1222 USBD_NO_TIMEOUT, axe_rxeof); 1223 usbd_transfer(c->axe_xfer); 1224 } 1225 1226 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1227 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1228 1229 AXE_UNLOCK(sc); 1230 AXE_SLEEPUNLOCK(sc); 1231 1232 sc->axe_stat_ch = timeout(axe_tick, sc, hz); 1233 1234 return; 1235 } 1236 1237 static int 1238 axe_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1239 { 1240 struct axe_softc *sc = ifp->if_softc; 1241 struct ifreq *ifr = (struct ifreq *)data; 1242 struct mii_data *mii; 1243 u_int16_t rxmode; 1244 int error = 0; 1245 1246 switch(command) { 1247 case SIOCSIFFLAGS: 1248 if (ifp->if_flags & IFF_UP) { 1249 if (ifp->if_drv_flags & IFF_DRV_RUNNING && 1250 ifp->if_flags & IFF_PROMISC && 1251 !(sc->axe_if_flags & IFF_PROMISC)) { 1252 AXE_SLEEPLOCK(sc); 1253 AXE_LOCK(sc); 1254 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1255 0, 0, (void *)&rxmode); 1256 rxmode = le16toh(rxmode); 1257 rxmode |= AXE_RXCMD_PROMISC; 1258 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1259 0, rxmode, NULL); 1260 AXE_UNLOCK(sc); 1261 axe_setmulti(sc); 1262 AXE_SLEEPUNLOCK(sc); 1263 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING && 1264 !(ifp->if_flags & IFF_PROMISC) && 1265 sc->axe_if_flags & IFF_PROMISC) { 1266 AXE_SLEEPLOCK(sc); 1267 AXE_LOCK(sc); 1268 axe_cmd(sc, AXE_CMD_RXCTL_READ, 1269 0, 0, (void *)&rxmode); 1270 rxmode = le16toh(rxmode); 1271 rxmode &= ~AXE_RXCMD_PROMISC; 1272 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 1273 0, rxmode, NULL); 1274 AXE_UNLOCK(sc); 1275 axe_setmulti(sc); 1276 AXE_SLEEPUNLOCK(sc); 1277 } else if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1278 axe_init(sc); 1279 } else { 1280 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1281 AXE_SLEEPLOCK(sc); 1282 axe_stop(sc); 1283 AXE_SLEEPUNLOCK(sc); 1284 } 1285 } 1286 sc->axe_if_flags = ifp->if_flags; 1287 error = 0; 1288 break; 1289 case SIOCADDMULTI: 1290 case SIOCDELMULTI: 1291 AXE_SLEEPLOCK(sc); 1292 axe_setmulti(sc); 1293 AXE_SLEEPUNLOCK(sc); 1294 error = 0; 1295 break; 1296 case SIOCGIFMEDIA: 1297 case SIOCSIFMEDIA: 1298 AXE_SLEEPLOCK(sc); 1299 mii = GET_MII(sc); 1300 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, command); 1301 AXE_SLEEPUNLOCK(sc); 1302 break; 1303 1304 default: 1305 error = ether_ioctl(ifp, command, data); 1306 break; 1307 } 1308 1309 return(error); 1310 } 1311 1312 static void 1313 axe_watchdog(struct ifnet *ifp) 1314 { 1315 struct axe_softc *sc; 1316 struct axe_chain *c; 1317 usbd_status stat; 1318 1319 sc = ifp->if_softc; 1320 AXE_LOCK(sc); 1321 1322 ifp->if_oerrors++; 1323 device_printf(sc->axe_dev, "watchdog timeout\n"); 1324 1325 c = &sc->axe_cdata.axe_tx_chain[0]; 1326 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1327 axe_txeof(c->axe_xfer, c, stat); 1328 1329 AXE_UNLOCK(sc); 1330 1331 if (!IFQ_DRV_IS_EMPTY(&ifp->if_snd)) 1332 axe_start(ifp); 1333 1334 return; 1335 } 1336 1337 /* 1338 * Stop the adapter and free any mbufs allocated to the 1339 * RX and TX lists. 1340 */ 1341 static void 1342 axe_stop(struct axe_softc *sc) 1343 { 1344 usbd_status err; 1345 struct ifnet *ifp; 1346 1347 AXE_SLEEPLOCKASSERT(sc); 1348 AXE_LOCK(sc); 1349 1350 ifp = sc->axe_ifp; 1351 ifp->if_timer = 0; 1352 1353 untimeout(axe_tick, sc, sc->axe_stat_ch); 1354 1355 /* Stop transfers. */ 1356 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1357 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1358 if (err) { 1359 device_printf(sc->axe_dev, "abort rx pipe failed: %s\n", 1360 usbd_errstr(err)); 1361 } 1362 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1363 if (err) { 1364 device_printf(sc->axe_dev, "close rx pipe failed: %s\n", 1365 usbd_errstr(err)); 1366 } 1367 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1368 } 1369 1370 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1371 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1372 if (err) { 1373 device_printf(sc->axe_dev, "abort tx pipe failed: %s\n", 1374 usbd_errstr(err)); 1375 } 1376 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1377 if (err) { 1378 device_printf(sc->axe_dev, "close tx pipe failed: %s\n", 1379 usbd_errstr(err)); 1380 } 1381 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1382 } 1383 1384 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1385 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1386 if (err) { 1387 device_printf(sc->axe_dev, 1388 "abort intr pipe failed: %s\n", usbd_errstr(err)); 1389 } 1390 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1391 if (err) { 1392 device_printf(sc->axe_dev, 1393 "close intr pipe failed: %s\n", usbd_errstr(err)); 1394 } 1395 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1396 } 1397 1398 axe_reset(sc); 1399 1400 /* Free RX resources. */ 1401 axe_rx_list_free(sc); 1402 /* Free TX resources. */ 1403 axe_tx_list_free(sc); 1404 1405 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1406 sc->axe_link = 0; 1407 AXE_UNLOCK(sc); 1408 1409 return; 1410 } 1411 1412 /* 1413 * Stop all chip I/O so that the kernel's probe routines don't 1414 * get confused by errant DMAs when rebooting. 1415 */ 1416 static int 1417 axe_shutdown(device_t dev) 1418 { 1419 struct axe_softc *sc; 1420 1421 sc = device_get_softc(dev); 1422 1423 AXE_SLEEPLOCK(sc); 1424 axe_stop(sc); 1425 AXE_SLEEPUNLOCK(sc); 1426 1427 return (0); 1428 }
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