1 /* $NetBSD: if_axe.c,v 1.50 2011/08/25 02:29:08 pgoyette Exp $ */ 2 /* $OpenBSD: if_axe.c,v 1.96 2010/01/09 05:33:08 jsg Exp $ */ 3 4 /* 5 * Copyright (c) 2005, 2006, 2007 Jonathan Gray <jsg@openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20 /* 21 * Copyright (c) 1997, 1998, 1999, 2000-2003 22 * Bill Paul <wpaul@windriver.com>. All rights reserved. 23 * 24 * Redistribution and use in source and binary forms, with or without 25 * modification, are permitted provided that the following conditions 26 * are met: 27 * 1. Redistributions of source code must retain the above copyright 28 * notice, this list of conditions and the following disclaimer. 29 * 2. Redistributions in binary form must reproduce the above copyright 30 * notice, this list of conditions and the following disclaimer in the 31 * documentation and/or other materials provided with the distribution. 32 * 3. All advertising materials mentioning features or use of this software 33 * must display the following acknowledgement: 34 * This product includes software developed by Bill Paul. 35 * 4. Neither the name of the author nor the names of any co-contributors 36 * may be used to endorse or promote products derived from this software 37 * without specific prior written permission. 38 * 39 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 40 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 42 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 43 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 44 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 45 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 46 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 47 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 49 * THE POSSIBILITY OF SUCH DAMAGE. 50 */ 51 52 /* 53 * ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 54 * LinkSys USB200M and various other adapters. 55 * 56 * Manuals available from: 57 * http://www.asix.com.tw/datasheet/mac/Ax88172.PDF 58 * Note: you need the manual for the AX88170 chip (USB 1.x ethernet 59 * controller) to find the definitions for the RX control register. 60 * http://www.asix.com.tw/datasheet/mac/Ax88170.PDF 61 * 62 * Written by Bill Paul <wpaul@windriver.com> 63 * Senior Engineer 64 * Wind River Systems 65 */ 66 67 /* 68 * The AX88172 provides USB ethernet supports at 10 and 100Mbps. 69 * It uses an external PHY (reference designs use a RealTek chip), 70 * and has a 64-bit multicast hash filter. There is some information 71 * missing from the manual which one needs to know in order to make 72 * the chip function: 73 * 74 * - You must set bit 7 in the RX control register, otherwise the 75 * chip won't receive any packets. 76 * - You must initialize all 3 IPG registers, or you won't be able 77 * to send any packets. 78 * 79 * Note that this device appears to only support loading the station 80 * address via autload from the EEPROM (i.e. there's no way to manaully 81 * set it). 82 * 83 * (Adam Weinberger wanted me to name this driver if_gir.c.) 84 */ 85 86 /* 87 * Ported to OpenBSD 3/28/2004 by Greg Taleck <taleck@oz.net> 88 * with bits and pieces from the aue and url drivers. 89 */ 90 91 #include <sys/cdefs.h> 92 __KERNEL_RCSID(0, "$NetBSD: if_axe.c,v 1.50 2011/08/25 02:29:08 pgoyette Exp $"); 93 94 #if defined(__NetBSD__) 95 #ifndef _MODULE 96 #include "opt_inet.h" 97 #include "rnd.h" 98 #endif 99 #endif 100 101 102 #include <sys/param.h> 103 #include <sys/bus.h> 104 #include <sys/device.h> 105 #include <sys/kernel.h> 106 #include <sys/mbuf.h> 107 #include <sys/module.h> 108 #include <sys/mutex.h> 109 #include <sys/socket.h> 110 #include <sys/sockio.h> 111 #include <sys/systm.h> 112 113 #if NRND > 0 114 #include <sys/rnd.h> 115 #endif 116 117 #include <net/if.h> 118 #include <net/if_dl.h> 119 #include <net/if_ether.h> 120 #include <net/if_media.h> 121 122 #include <net/bpf.h> 123 124 #include <dev/mii/mii.h> 125 #include <dev/mii/miivar.h> 126 127 #include <dev/usb/usb.h> 128 #include <dev/usb/usbdi.h> 129 #include <dev/usb/usbdi_util.h> 130 #include <dev/usb/usbdivar.h> 131 #include <dev/usb/usbdevs.h> 132 133 #include <dev/usb/if_axereg.h> 134 135 #ifdef AXE_DEBUG 136 #define DPRINTF(x) do { if (axedebug) printf x; } while (0) 137 #define DPRINTFN(n,x) do { if (axedebug >= (n)) printf x; } while (0) 138 int axedebug = 0; 139 #else 140 #define DPRINTF(x) 141 #define DPRINTFN(n,x) 142 #endif 143 144 /* 145 * Various supported device vendors/products. 146 */ 147 static const struct axe_type axe_devs[] = { 148 { { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UFE2000}, 0 }, 149 { { USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2}, 0 }, 150 { { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET }, AX772 }, 151 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 152 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772}, AX772 }, 153 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772A}, AX772 }, 154 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, 155 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, 156 { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, 157 { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, 158 { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, 159 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 160 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 161 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, 162 { { USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_GWUSB2E}, 0 }, 163 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_ETGUS2 }, AX178 }, 164 { { USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_PRX1}, 0 }, 165 { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, 166 { { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_USB1000 }, AX178 }, 167 { { USB_VENDOR_LOGITEC, USB_PRODUCT_LOGITEC_LAN_GTJU2}, AX178 }, 168 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2GT}, AX178 }, 169 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, 170 { { USB_VENDOR_MSI, USB_PRODUCT_MSI_AX88772A}, AX772 }, 171 { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, 172 { { USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01PLUS }, AX772 }, 173 { { USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GU1000T }, AX178 }, 174 { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, 175 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, 176 { { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN028 }, AX178 } 177 }; 178 #define axe_lookup(v, p) ((const struct axe_type *)usb_lookup(axe_devs, v, p)) 179 180 int axe_match(device_t, cfdata_t, void *); 181 void axe_attach(device_t, device_t, void *); 182 int axe_detach(device_t, int); 183 int axe_activate(device_t, devact_t); 184 185 CFATTACH_DECL_NEW(axe, sizeof(struct axe_softc), 186 axe_match, axe_attach, axe_detach, axe_activate); 187 188 static int axe_tx_list_init(struct axe_softc *); 189 static int axe_rx_list_init(struct axe_softc *); 190 static int axe_encap(struct axe_softc *, struct mbuf *, int); 191 static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 192 static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 193 static void axe_tick(void *); 194 static void axe_tick_task(void *); 195 static void axe_start(struct ifnet *); 196 static int axe_ioctl(struct ifnet *, u_long, void *); 197 static int axe_init(struct ifnet *); 198 static void axe_stop(struct ifnet *, int); 199 static void axe_watchdog(struct ifnet *); 200 static int axe_miibus_readreg(device_t, int, int); 201 static void axe_miibus_writereg(device_t, int, int, int); 202 static void axe_miibus_statchg(device_t); 203 static int axe_cmd(struct axe_softc *, int, int, int, void *); 204 static void axe_reset(struct axe_softc *sc); 205 static int axe_ifmedia_upd(struct ifnet *); 206 static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 207 208 static void axe_setmulti(struct axe_softc *); 209 static void axe_lock_mii(struct axe_softc *sc); 210 static void axe_unlock_mii(struct axe_softc *sc); 211 212 static void axe_ax88178_init(struct axe_softc *); 213 static void axe_ax88772_init(struct axe_softc *); 214 215 /* Get exclusive access to the MII registers */ 216 static void 217 axe_lock_mii(struct axe_softc *sc) 218 { 219 220 sc->axe_refcnt++; 221 mutex_enter(&sc->axe_mii_lock); 222 } 223 224 static void 225 axe_unlock_mii(struct axe_softc *sc) 226 { 227 228 mutex_exit(&sc->axe_mii_lock); 229 if (--sc->axe_refcnt < 0) 230 usb_detach_wakeup((sc->axe_dev)); 231 } 232 233 static int 234 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 235 { 236 usb_device_request_t req; 237 usbd_status err; 238 239 KASSERT(mutex_owned(&sc->axe_mii_lock)); 240 241 if (sc->axe_dying) 242 return 0; 243 244 if (AXE_CMD_DIR(cmd)) 245 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 246 else 247 req.bmRequestType = UT_READ_VENDOR_DEVICE; 248 req.bRequest = AXE_CMD_CMD(cmd); 249 USETW(req.wValue, val); 250 USETW(req.wIndex, index); 251 USETW(req.wLength, AXE_CMD_LEN(cmd)); 252 253 err = usbd_do_request(sc->axe_udev, &req, buf); 254 255 if (err) { 256 DPRINTF(("axe_cmd err: cmd %d err %d\n", cmd, err)); 257 return -1; 258 } 259 return 0; 260 } 261 262 static int 263 axe_miibus_readreg(device_t dev, int phy, int reg) 264 { 265 struct axe_softc *sc = device_private(dev); 266 usbd_status err; 267 uint16_t val; 268 269 if (sc->axe_dying) { 270 DPRINTF(("axe: dying\n")); 271 return 0; 272 } 273 274 /* 275 * The chip tells us the MII address of any supported 276 * PHYs attached to the chip, so only read from those. 277 * 278 * But if the chip lies about its PHYs, read from any. 279 */ 280 val = 0; 281 282 if ((phy == sc->axe_phyaddrs[0]) || (phy == sc->axe_phyaddrs[1]) || 283 (sc->axe_flags & AXE_ANY_PHY)) { 284 axe_lock_mii(sc); 285 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 286 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); 287 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 288 axe_unlock_mii(sc); 289 290 if (err) { 291 aprint_error_dev(sc->axe_dev, "read PHY failed\n"); 292 return -1; 293 } 294 DPRINTF(("axe_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n", 295 phy, reg, val)); 296 297 if (val && val != 0xffff) 298 sc->axe_phyaddrs[0] = phy; 299 } else { 300 DPRINTF(("axe_miibus_readreg: ignore read from phy 0x%x\n", 301 phy)); 302 } 303 return le16toh(val); 304 } 305 306 static void 307 axe_miibus_writereg(device_t dev, int phy, int reg, int aval) 308 { 309 struct axe_softc *sc = device_private(dev); 310 usbd_status err; 311 uint16_t val; 312 313 if (sc->axe_dying) 314 return; 315 316 val = htole16(aval); 317 axe_lock_mii(sc); 318 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 319 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 320 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 321 axe_unlock_mii(sc); 322 323 if (err) { 324 aprint_error_dev(sc->axe_dev, "write PHY failed\n"); 325 return; 326 } 327 } 328 329 static void 330 axe_miibus_statchg(device_t dev) 331 { 332 struct axe_softc *sc = device_private(dev); 333 struct mii_data *mii = &sc->axe_mii; 334 int val, err; 335 336 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 337 val = AXE_MEDIA_FULL_DUPLEX; 338 else 339 val = 0; 340 341 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 342 val |= (AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC); 343 344 switch (IFM_SUBTYPE(mii->mii_media_active)) { 345 case IFM_1000_T: 346 val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; 347 break; 348 case IFM_100_TX: 349 val |= AXE_178_MEDIA_100TX; 350 break; 351 case IFM_10_T: 352 /* doesn't need to be handled */ 353 break; 354 } 355 } 356 357 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 358 axe_lock_mii(sc); 359 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 360 axe_unlock_mii(sc); 361 if (err) { 362 aprint_error_dev(sc->axe_dev, "media change failed\n"); 363 return; 364 } 365 } 366 367 /* 368 * Set media options 369 */ 370 static int 371 axe_ifmedia_upd(struct ifnet *ifp) 372 { 373 struct axe_softc *sc = ifp->if_softc; 374 struct mii_data *mii = &sc->axe_mii; 375 int rc; 376 377 sc->axe_link = 0; 378 379 if (mii->mii_instance) { 380 struct mii_softc *miisc; 381 382 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 383 mii_phy_reset(miisc); 384 } 385 386 if ((rc = mii_mediachg(mii)) == ENXIO) 387 return 0; 388 return rc; 389 } 390 391 /* 392 * Report current media status 393 */ 394 static void 395 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 396 { 397 struct axe_softc *sc = ifp->if_softc; 398 struct mii_data *mii = &sc->axe_mii; 399 400 mii_pollstat(mii); 401 ifmr->ifm_active = mii->mii_media_active; 402 ifmr->ifm_status = mii->mii_media_status; 403 } 404 405 static void 406 axe_setmulti(struct axe_softc *sc) 407 { 408 struct ifnet *ifp = &sc->sc_if; 409 struct ether_multi *enm; 410 struct ether_multistep step; 411 uint32_t h = 0; 412 uint16_t rxmode; 413 uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 414 415 if (sc->axe_dying) 416 return; 417 418 axe_lock_mii(sc); 419 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 420 rxmode = le16toh(rxmode); 421 422 rxmode &= ~(AXE_RXCMD_ALLMULTI | AXE_RXCMD_PROMISC); 423 424 /* If we want promiscuous mode, set the allframes bit */ 425 if (ifp->if_flags & IFF_PROMISC) { 426 rxmode |= AXE_RXCMD_PROMISC; 427 goto allmulti; 428 } 429 430 /* Now program new ones */ 431 ETHER_FIRST_MULTI(step, &sc->axe_ec, enm); 432 while (enm != NULL) { 433 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 434 ETHER_ADDR_LEN) != 0) 435 goto allmulti; 436 437 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 438 hashtbl[h >> 3] |= 1U << (h & 7); 439 ETHER_NEXT_MULTI(step, enm); 440 } 441 ifp->if_flags &= ~IFF_ALLMULTI; 442 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 443 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 444 axe_unlock_mii(sc); 445 return; 446 447 allmulti: 448 ifp->if_flags |= IFF_ALLMULTI; 449 rxmode |= AXE_RXCMD_ALLMULTI; 450 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 451 axe_unlock_mii(sc); 452 } 453 454 static void 455 axe_reset(struct axe_softc *sc) 456 { 457 458 if (sc->axe_dying) 459 return; 460 /* XXX What to reset? */ 461 462 /* Wait a little while for the chip to get its brains in order. */ 463 DELAY(1000); 464 } 465 466 static void 467 axe_ax88178_init(struct axe_softc *sc) 468 { 469 int gpio0 = 0, phymode = 0; 470 uint16_t eeprom; 471 472 axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); 473 /* XXX magic */ 474 axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); 475 axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); 476 477 eeprom = le16toh(eeprom); 478 479 DPRINTF((" EEPROM is 0x%x\n", eeprom)); 480 481 /* if EEPROM is invalid we have to use to GPIO0 */ 482 if (eeprom == 0xffff) { 483 phymode = 0; 484 gpio0 = 1; 485 } else { 486 phymode = eeprom & 7; 487 gpio0 = (eeprom & 0x80) ? 0 : 1; 488 } 489 490 DPRINTF(("use gpio0: %d, phymode %d\n", gpio0, phymode)); 491 492 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x008c, NULL); 493 usbd_delay_ms(sc->axe_udev, 40); 494 if ((eeprom >> 8) != 1) { 495 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 496 usbd_delay_ms(sc->axe_udev, 30); 497 498 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); 499 usbd_delay_ms(sc->axe_udev, 300); 500 501 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 502 usbd_delay_ms(sc->axe_udev, 30); 503 } else { 504 DPRINTF(("axe gpio phymode == 1 path\n")); 505 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); 506 usbd_delay_ms(sc->axe_udev, 30); 507 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); 508 usbd_delay_ms(sc->axe_udev, 30); 509 } 510 511 /* soft reset */ 512 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 513 usbd_delay_ms(sc->axe_udev, 150); 514 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 515 AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); 516 usbd_delay_ms(sc->axe_udev, 150); 517 /* Enable MII/GMII/RGMII for external PHY */ 518 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0, NULL); 519 usbd_delay_ms(sc->axe_udev, 10); 520 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 521 } 522 523 static void 524 axe_ax88772_init(struct axe_softc *sc) 525 { 526 527 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x00b0, NULL); 528 usbd_delay_ms(sc->axe_udev, 40); 529 530 if (sc->axe_phyaddrs[1] == AXE_INTPHY) { 531 /* ask for the embedded PHY */ 532 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); 533 usbd_delay_ms(sc->axe_udev, 10); 534 535 /* power down and reset state, pin reset state */ 536 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 537 usbd_delay_ms(sc->axe_udev, 60); 538 539 /* power down/reset state, pin operating state */ 540 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 541 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 542 usbd_delay_ms(sc->axe_udev, 150); 543 544 /* power up, reset */ 545 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL, NULL); 546 547 /* power up, operating */ 548 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 549 AXE_SW_RESET_IPRL | AXE_SW_RESET_PRL, NULL); 550 } else { 551 /* ask for external PHY */ 552 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x00, NULL); 553 usbd_delay_ms(sc->axe_udev, 10); 554 555 /* power down internal PHY */ 556 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 557 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 558 } 559 560 usbd_delay_ms(sc->axe_udev, 150); 561 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 562 } 563 564 /* 565 * Probe for a AX88172 chip. 566 */ 567 int 568 axe_match(device_t parent, cfdata_t match, void *aux) 569 { 570 struct usb_attach_arg *uaa = aux; 571 572 return axe_lookup(uaa->vendor, uaa->product) != NULL ? 573 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 574 } 575 576 /* 577 * Attach the interface. Allocate softc structures, do ifmedia 578 * setup and ethernet/BPF attach. 579 */ 580 void 581 axe_attach(device_t parent, device_t self, void *aux) 582 { 583 struct axe_softc *sc = device_private(self); 584 struct usb_attach_arg *uaa = aux; 585 usbd_device_handle dev = uaa->device; 586 usbd_status err; 587 usb_interface_descriptor_t *id; 588 usb_endpoint_descriptor_t *ed; 589 struct mii_data *mii; 590 uint8_t eaddr[ETHER_ADDR_LEN]; 591 char *devinfop; 592 const char *devname = device_xname(self); 593 struct ifnet *ifp; 594 int i, s; 595 596 aprint_naive("\n"); 597 aprint_normal("\n"); 598 599 sc->axe_dev = self; 600 sc->axe_udev = dev; 601 602 devinfop = usbd_devinfo_alloc(dev, 0); 603 aprint_normal_dev(self, "%s\n", devinfop); 604 usbd_devinfo_free(devinfop); 605 606 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 607 if (err) { 608 aprint_error_dev(self, "getting interface handle failed\n"); 609 return; 610 } 611 612 sc->axe_flags = axe_lookup(uaa->vendor, uaa->product)->axe_flags; 613 614 mutex_init(&sc->axe_mii_lock, MUTEX_DEFAULT, IPL_NONE); 615 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 616 617 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 618 if (err) { 619 aprint_error_dev(self, "getting interface handle failed\n"); 620 return; 621 } 622 623 sc->axe_product = uaa->product; 624 sc->axe_vendor = uaa->vendor; 625 626 id = usbd_get_interface_descriptor(sc->axe_iface); 627 628 /* decide on what our bufsize will be */ 629 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 630 sc->axe_bufsz = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 631 AXE_178_MAX_BUFSZ : AXE_178_MIN_BUFSZ; 632 else 633 sc->axe_bufsz = AXE_172_BUFSZ; 634 635 /* Find endpoints. */ 636 for (i = 0; i < id->bNumEndpoints; i++) { 637 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 638 if (ed == NULL) { 639 aprint_error_dev(self, "couldn't get ep %d\n", i); 640 return; 641 } 642 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 643 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 644 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 645 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 646 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 647 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 648 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 649 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 650 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 651 } 652 } 653 654 s = splnet(); 655 656 /* We need the PHYID for init dance in some cases */ 657 axe_lock_mii(sc); 658 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 659 660 DPRINTF((" phyaddrs[0]: %x phyaddrs[1]: %x\n", 661 sc->axe_phyaddrs[0], sc->axe_phyaddrs[1])); 662 663 if (sc->axe_flags & AX178) 664 axe_ax88178_init(sc); 665 else if (sc->axe_flags & AX772) 666 axe_ax88772_init(sc); 667 668 /* 669 * Get station address. 670 */ 671 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 672 axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); 673 else 674 axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); 675 676 /* 677 * Load IPG values 678 */ 679 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 680 axe_unlock_mii(sc); 681 682 /* 683 * An ASIX chip was detected. Inform the world. 684 */ 685 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 686 687 /* Initialize interface info.*/ 688 ifp = &sc->sc_if; 689 ifp->if_softc = sc; 690 strncpy(ifp->if_xname, devname, IFNAMSIZ); 691 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 692 ifp->if_ioctl = axe_ioctl; 693 ifp->if_start = axe_start; 694 ifp->if_init = axe_init; 695 ifp->if_stop = axe_stop; 696 ifp->if_watchdog = axe_watchdog; 697 698 IFQ_SET_READY(&ifp->if_snd); 699 700 sc->axe_ec.ec_capabilities = ETHERCAP_VLAN_MTU; 701 702 /* Initialize MII/media info. */ 703 mii = &sc->axe_mii; 704 mii->mii_ifp = ifp; 705 mii->mii_readreg = axe_miibus_readreg; 706 mii->mii_writereg = axe_miibus_writereg; 707 mii->mii_statchg = axe_miibus_statchg; 708 mii->mii_flags = MIIF_AUTOTSLEEP; 709 710 sc->axe_ec.ec_mii = mii; 711 if (sc->axe_flags & AXE_MII) 712 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, 713 axe_ifmedia_sts); 714 else 715 ifmedia_init(&mii->mii_media, 0, ether_mediachange, 716 ether_mediastatus); 717 718 mii_attach(sc->axe_dev, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 719 0); 720 721 if (LIST_EMPTY(&mii->mii_phys)) { 722 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 723 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 724 } else 725 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 726 727 /* Attach the interface. */ 728 if_attach(ifp); 729 ether_ifattach(ifp, eaddr); 730 #if NRND > 0 731 rnd_attach_source(&sc->rnd_source, device_xname(sc->axe_dev), 732 RND_TYPE_NET, 0); 733 #endif 734 735 callout_init(&sc->axe_stat_ch, 0); 736 callout_setfunc(&sc->axe_stat_ch, axe_tick, sc); 737 738 sc->axe_attached = true; 739 splx(s); 740 741 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, sc->axe_dev); 742 } 743 744 int 745 axe_detach(device_t self, int flags) 746 { 747 struct axe_softc *sc = device_private(self); 748 int s; 749 struct ifnet *ifp = &sc->sc_if; 750 751 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 752 753 /* Detached before attached finished, so just bail out. */ 754 if (!sc->axe_attached) 755 return 0; 756 757 sc->axe_dying = true; 758 759 /* 760 * Remove any pending tasks. They cannot be executing because they run 761 * in the same thread as detach. 762 */ 763 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 764 765 s = splusb(); 766 767 if (ifp->if_flags & IFF_RUNNING) 768 axe_stop(ifp, 1); 769 770 callout_destroy(&sc->axe_stat_ch); 771 mutex_destroy(&sc->axe_mii_lock); 772 #if NRND > 0 773 rnd_detach_source(&sc->rnd_source); 774 #endif 775 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 776 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 777 ether_ifdetach(ifp); 778 if_detach(ifp); 779 780 #ifdef DIAGNOSTIC 781 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 782 sc->axe_ep[AXE_ENDPT_RX] != NULL || 783 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 784 aprint_debug_dev(self, "detach has active endpoints\n"); 785 #endif 786 787 sc->axe_attached = false; 788 789 if (--sc->axe_refcnt >= 0) { 790 /* Wait for processes to go away. */ 791 usb_detach_wait((sc->axe_dev)); 792 } 793 splx(s); 794 795 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, sc->axe_dev); 796 797 return 0; 798 } 799 800 int 801 axe_activate(device_t self, devact_t act) 802 { 803 struct axe_softc *sc = device_private(self); 804 805 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 806 807 switch (act) { 808 case DVACT_DEACTIVATE: 809 if_deactivate(&sc->axe_ec.ec_if); 810 sc->axe_dying = true; 811 return 0; 812 default: 813 return EOPNOTSUPP; 814 } 815 } 816 817 static int 818 axe_rx_list_init(struct axe_softc *sc) 819 { 820 struct axe_cdata *cd; 821 struct axe_chain *c; 822 int i; 823 824 DPRINTF(("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 825 826 cd = &sc->axe_cdata; 827 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 828 c = &cd->axe_rx_chain[i]; 829 c->axe_sc = sc; 830 c->axe_idx = i; 831 if (c->axe_xfer == NULL) { 832 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 833 if (c->axe_xfer == NULL) 834 return ENOBUFS; 835 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 836 sc->axe_bufsz); 837 if (c->axe_buf == NULL) { 838 usbd_free_xfer(c->axe_xfer); 839 return ENOBUFS; 840 } 841 } 842 } 843 844 return 0; 845 } 846 847 static int 848 axe_tx_list_init(struct axe_softc *sc) 849 { 850 struct axe_cdata *cd; 851 struct axe_chain *c; 852 int i; 853 854 DPRINTF(("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 855 856 cd = &sc->axe_cdata; 857 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 858 c = &cd->axe_tx_chain[i]; 859 c->axe_sc = sc; 860 c->axe_idx = i; 861 if (c->axe_xfer == NULL) { 862 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 863 if (c->axe_xfer == NULL) 864 return ENOBUFS; 865 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 866 sc->axe_bufsz); 867 if (c->axe_buf == NULL) { 868 usbd_free_xfer(c->axe_xfer); 869 return ENOBUFS; 870 } 871 } 872 } 873 874 return 0; 875 } 876 877 /* 878 * A frame has been uploaded: pass the resulting mbuf chain up to 879 * the higher level protocols. 880 */ 881 static void 882 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 883 { 884 struct axe_softc *sc; 885 struct axe_chain *c; 886 struct ifnet *ifp; 887 uint8_t *buf; 888 uint32_t total_len; 889 u_int rxlen, pktlen; 890 struct mbuf *m; 891 struct axe_sframe_hdr hdr; 892 int s; 893 894 c = (struct axe_chain *)priv; 895 sc = c->axe_sc; 896 buf = c->axe_buf; 897 ifp = &sc->sc_if; 898 899 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->axe_dev),__func__)); 900 901 if (sc->axe_dying) 902 return; 903 904 if ((ifp->if_flags & IFF_RUNNING) == 0) 905 return; 906 907 if (status != USBD_NORMAL_COMPLETION) { 908 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 909 return; 910 if (usbd_ratecheck(&sc->axe_rx_notice)) 911 aprint_error_dev(sc->axe_dev, "usb errors on rx: %s\n", 912 usbd_errstr(status)); 913 if (status == USBD_STALLED) 914 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 915 goto done; 916 } 917 918 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 919 920 do { 921 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 922 if (total_len < sizeof(hdr)) { 923 ifp->if_ierrors++; 924 goto done; 925 } 926 927 memcpy(&hdr, buf, sizeof(hdr)); 928 total_len -= sizeof(hdr); 929 buf += sizeof(hdr); 930 931 if ((hdr.len ^ hdr.ilen) != 0xffff) { 932 ifp->if_ierrors++; 933 goto done; 934 } 935 936 rxlen = le16toh(hdr.len); 937 if (total_len < rxlen) { 938 pktlen = total_len; 939 total_len = 0; 940 } else { 941 pktlen = rxlen; 942 rxlen = roundup2(rxlen, 2); 943 total_len -= rxlen; 944 } 945 946 } else { /* AX172 */ 947 pktlen = rxlen = total_len; 948 total_len = 0; 949 } 950 951 MGETHDR(m, M_DONTWAIT, MT_DATA); 952 if (m == NULL) { 953 ifp->if_ierrors++; 954 goto done; 955 } 956 957 if (pktlen > MHLEN - ETHER_ALIGN) { 958 MCLGET(m, M_DONTWAIT); 959 if ((m->m_flags & M_EXT) == 0) { 960 m_freem(m); 961 ifp->if_ierrors++; 962 goto done; 963 } 964 } 965 m->m_data += ETHER_ALIGN; 966 967 ifp->if_ipackets++; 968 m->m_pkthdr.rcvif = ifp; 969 m->m_pkthdr.len = m->m_len = pktlen; 970 971 memcpy(mtod(m, uint8_t *), buf, pktlen); 972 buf += rxlen; 973 974 s = splnet(); 975 976 bpf_mtap(ifp, m); 977 978 DPRINTFN(10,("%s: %s: deliver %d\n", device_xname(sc->axe_dev), 979 __func__, m->m_len)); 980 (*(ifp)->if_input)((ifp), (m)); 981 982 splx(s); 983 984 } while (total_len > 0); 985 986 done: 987 988 /* Setup new transfer. */ 989 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 990 c, c->axe_buf, sc->axe_bufsz, 991 USBD_SHORT_XFER_OK | USBD_NO_COPY, 992 USBD_NO_TIMEOUT, axe_rxeof); 993 usbd_transfer(xfer); 994 995 DPRINTFN(10,("%s: %s: start rx\n", device_xname(sc->axe_dev), __func__)); 996 } 997 998 /* 999 * A frame was downloaded to the chip. It's safe for us to clean up 1000 * the list buffers. 1001 */ 1002 1003 static void 1004 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1005 { 1006 struct axe_softc *sc; 1007 struct axe_chain *c; 1008 struct ifnet *ifp; 1009 int s; 1010 1011 c = priv; 1012 sc = c->axe_sc; 1013 ifp = &sc->sc_if; 1014 1015 if (sc->axe_dying) 1016 return; 1017 1018 s = splnet(); 1019 1020 if (status != USBD_NORMAL_COMPLETION) { 1021 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1022 splx(s); 1023 return; 1024 } 1025 ifp->if_oerrors++; 1026 aprint_error_dev(sc->axe_dev, "usb error on tx: %s\n", 1027 usbd_errstr(status)); 1028 if (status == USBD_STALLED) 1029 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 1030 splx(s); 1031 return; 1032 } 1033 1034 ifp->if_timer = 0; 1035 ifp->if_flags &= ~IFF_OACTIVE; 1036 1037 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1038 axe_start(ifp); 1039 1040 ifp->if_opackets++; 1041 splx(s); 1042 } 1043 1044 static void 1045 axe_tick(void *xsc) 1046 { 1047 struct axe_softc *sc = xsc; 1048 1049 if (sc == NULL) 1050 return; 1051 1052 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 1053 1054 if (sc->axe_dying) 1055 return; 1056 1057 /* Perform periodic stuff in process context */ 1058 usb_add_task(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER); 1059 } 1060 1061 static void 1062 axe_tick_task(void *xsc) 1063 { 1064 int s; 1065 struct axe_softc *sc; 1066 struct ifnet *ifp; 1067 struct mii_data *mii; 1068 1069 sc = xsc; 1070 1071 if (sc == NULL) 1072 return; 1073 1074 if (sc->axe_dying) 1075 return; 1076 1077 ifp = &sc->sc_if; 1078 mii = &sc->axe_mii; 1079 1080 if (mii == NULL) 1081 return; 1082 1083 s = splnet(); 1084 1085 mii_tick(mii); 1086 if (sc->axe_link == 0 && 1087 (mii->mii_media_status & IFM_ACTIVE) != 0 && 1088 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1089 DPRINTF(("%s: %s: got link\n", device_xname(sc->axe_dev), 1090 __func__)); 1091 sc->axe_link++; 1092 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1093 axe_start(ifp); 1094 } 1095 1096 callout_schedule(&sc->axe_stat_ch, hz); 1097 1098 splx(s); 1099 } 1100 1101 static int 1102 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1103 { 1104 struct ifnet *ifp = &sc->sc_if; 1105 struct axe_chain *c; 1106 usbd_status err; 1107 struct axe_sframe_hdr hdr; 1108 int length, boundary; 1109 1110 c = &sc->axe_cdata.axe_tx_chain[idx]; 1111 1112 /* 1113 * Copy the mbuf data into a contiguous buffer, leaving two 1114 * bytes at the beginning to hold the frame length. 1115 */ 1116 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1117 boundary = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 512 : 64; 1118 1119 hdr.len = htole16(m->m_pkthdr.len); 1120 hdr.ilen = ~hdr.len; 1121 1122 memcpy(c->axe_buf, &hdr, sizeof(hdr)); 1123 length = sizeof(hdr); 1124 1125 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); 1126 length += m->m_pkthdr.len; 1127 1128 if ((length % boundary) == 0) { 1129 hdr.len = 0x0000; 1130 hdr.ilen = 0xffff; 1131 memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); 1132 length += sizeof(hdr); 1133 } 1134 } else { 1135 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1136 length = m->m_pkthdr.len; 1137 } 1138 1139 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1140 c, c->axe_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 10000, 1141 axe_txeof); 1142 1143 /* Transmit */ 1144 err = usbd_transfer(c->axe_xfer); 1145 if (err != USBD_IN_PROGRESS) { 1146 axe_stop(ifp, 0); 1147 return EIO; 1148 } 1149 1150 sc->axe_cdata.axe_tx_cnt++; 1151 1152 return 0; 1153 } 1154 1155 static void 1156 axe_start(struct ifnet *ifp) 1157 { 1158 struct axe_softc *sc; 1159 struct mbuf *m; 1160 1161 sc = ifp->if_softc; 1162 1163 if ((sc->axe_flags & AXE_MII) != 0 && sc->axe_link == 0) 1164 return; 1165 1166 if ((ifp->if_flags & (IFF_OACTIVE|IFF_RUNNING)) != IFF_RUNNING) 1167 return; 1168 1169 IFQ_POLL(&ifp->if_snd, m); 1170 if (m == NULL) { 1171 return; 1172 } 1173 1174 if (axe_encap(sc, m, 0)) { 1175 ifp->if_flags |= IFF_OACTIVE; 1176 return; 1177 } 1178 IFQ_DEQUEUE(&ifp->if_snd, m); 1179 1180 /* 1181 * If there's a BPF listener, bounce a copy of this frame 1182 * to him. 1183 */ 1184 bpf_mtap(ifp, m); 1185 m_freem(m); 1186 1187 ifp->if_flags |= IFF_OACTIVE; 1188 1189 /* 1190 * Set a timeout in case the chip goes out to lunch. 1191 */ 1192 ifp->if_timer = 5; 1193 1194 return; 1195 } 1196 1197 static int 1198 axe_init(struct ifnet *ifp) 1199 { 1200 struct axe_softc *sc = ifp->if_softc; 1201 struct axe_chain *c; 1202 usbd_status err; 1203 int rxmode; 1204 int i, s; 1205 uint8_t eaddr[ETHER_ADDR_LEN]; 1206 1207 s = splnet(); 1208 1209 if (ifp->if_flags & IFF_RUNNING) 1210 axe_stop(ifp, 0); 1211 1212 /* 1213 * Cancel pending I/O and free all RX/TX buffers. 1214 */ 1215 axe_reset(sc); 1216 1217 /* Set MAC address */ 1218 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1219 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 1220 axe_lock_mii(sc); 1221 axe_cmd(sc, AXE_178_CMD_WRITE_NODEID, 0, 0, eaddr); 1222 axe_unlock_mii(sc); 1223 } 1224 1225 /* Enable RX logic. */ 1226 1227 /* Init RX ring. */ 1228 if (axe_rx_list_init(sc) == ENOBUFS) { 1229 aprint_error_dev(sc->axe_dev, "rx list init failed\n"); 1230 splx(s); 1231 return ENOBUFS; 1232 } 1233 1234 /* Init TX ring. */ 1235 if (axe_tx_list_init(sc) == ENOBUFS) { 1236 aprint_error_dev(sc->axe_dev, "tx list init failed\n"); 1237 splx(s); 1238 return ENOBUFS; 1239 } 1240 1241 /* Set transmitter IPG values */ 1242 axe_lock_mii(sc); 1243 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1244 axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], 1245 (sc->axe_ipgs[1] << 8) | (sc->axe_ipgs[0]), NULL); 1246 else { 1247 axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1248 axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1249 axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1250 } 1251 1252 /* Enable receiver, set RX mode */ 1253 rxmode = AXE_RXCMD_BROADCAST | AXE_RXCMD_MULTICAST | AXE_RXCMD_ENABLE; 1254 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1255 if (sc->axe_udev->speed == USB_SPEED_HIGH) { 1256 /* Largest possible USB buffer size for AX88178 */ 1257 rxmode |= AXE_178_RXCMD_MFB; 1258 } 1259 } else 1260 rxmode |= AXE_172_RXCMD_UNICAST; 1261 1262 /* If we want promiscuous mode, set the allframes bit. */ 1263 if (ifp->if_flags & IFF_PROMISC) 1264 rxmode |= AXE_RXCMD_PROMISC; 1265 1266 if (ifp->if_flags & IFF_BROADCAST) 1267 rxmode |= AXE_RXCMD_BROADCAST; 1268 1269 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1270 axe_unlock_mii(sc); 1271 1272 /* Load the multicast filter. */ 1273 axe_setmulti(sc); 1274 1275 /* Open RX and TX pipes. */ 1276 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1277 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1278 if (err) { 1279 aprint_error_dev(sc->axe_dev, "open rx pipe failed: %s\n", 1280 usbd_errstr(err)); 1281 splx(s); 1282 return EIO; 1283 } 1284 1285 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1286 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1287 if (err) { 1288 aprint_error_dev(sc->axe_dev, "open tx pipe failed: %s\n", 1289 usbd_errstr(err)); 1290 splx(s); 1291 return EIO; 1292 } 1293 1294 /* Start up the receive pipe. */ 1295 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1296 c = &sc->axe_cdata.axe_rx_chain[i]; 1297 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1298 c, c->axe_buf, sc->axe_bufsz, 1299 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1300 axe_rxeof); 1301 usbd_transfer(c->axe_xfer); 1302 } 1303 1304 ifp->if_flags |= IFF_RUNNING; 1305 ifp->if_flags &= ~IFF_OACTIVE; 1306 1307 splx(s); 1308 1309 callout_schedule(&sc->axe_stat_ch, hz); 1310 return 0; 1311 } 1312 1313 static int 1314 axe_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1315 { 1316 struct axe_softc *sc = ifp->if_softc; 1317 int s; 1318 int error = 0; 1319 1320 s = splnet(); 1321 1322 switch(cmd) { 1323 case SIOCSIFFLAGS: 1324 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 1325 break; 1326 1327 switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { 1328 case IFF_RUNNING: 1329 axe_stop(ifp, 1); 1330 break; 1331 case IFF_UP: 1332 axe_init(ifp); 1333 break; 1334 case IFF_UP | IFF_RUNNING: 1335 if ((ifp->if_flags ^ sc->axe_if_flags) == IFF_PROMISC) 1336 axe_setmulti(sc); 1337 else 1338 axe_init(ifp); 1339 break; 1340 } 1341 sc->axe_if_flags = ifp->if_flags; 1342 break; 1343 1344 default: 1345 if ((error = ether_ioctl(ifp, cmd, data)) != ENETRESET) 1346 break; 1347 1348 error = 0; 1349 1350 if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) 1351 axe_setmulti(sc); 1352 1353 } 1354 splx(s); 1355 1356 return error; 1357 } 1358 1359 static void 1360 axe_watchdog(struct ifnet *ifp) 1361 { 1362 struct axe_softc *sc; 1363 struct axe_chain *c; 1364 usbd_status stat; 1365 int s; 1366 1367 sc = ifp->if_softc; 1368 1369 ifp->if_oerrors++; 1370 aprint_error_dev(sc->axe_dev, "watchdog timeout\n"); 1371 1372 s = splusb(); 1373 c = &sc->axe_cdata.axe_tx_chain[0]; 1374 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1375 axe_txeof(c->axe_xfer, c, stat); 1376 1377 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1378 axe_start(ifp); 1379 splx(s); 1380 } 1381 1382 /* 1383 * Stop the adapter and free any mbufs allocated to the 1384 * RX and TX lists. 1385 */ 1386 static void 1387 axe_stop(struct ifnet *ifp, int disable) 1388 { 1389 struct axe_softc *sc = ifp->if_softc; 1390 usbd_status err; 1391 int i; 1392 1393 axe_reset(sc); 1394 1395 ifp->if_timer = 0; 1396 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1397 1398 callout_stop(&sc->axe_stat_ch); 1399 1400 /* Stop transfers. */ 1401 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1402 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1403 if (err) { 1404 aprint_error_dev(sc->axe_dev, 1405 "abort rx pipe failed: %s\n", usbd_errstr(err)); 1406 } 1407 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1408 if (err) { 1409 aprint_error_dev(sc->axe_dev, 1410 "close rx pipe failed: %s\n", usbd_errstr(err)); 1411 } 1412 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1413 } 1414 1415 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1416 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1417 if (err) { 1418 aprint_error_dev(sc->axe_dev, 1419 "abort tx pipe failed: %s\n", usbd_errstr(err)); 1420 } 1421 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1422 if (err) { 1423 aprint_error_dev(sc->axe_dev, 1424 "close tx pipe failed: %s\n", usbd_errstr(err)); 1425 } 1426 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1427 } 1428 1429 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1430 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1431 if (err) { 1432 aprint_error_dev(sc->axe_dev, 1433 "abort intr pipe failed: %s\n", usbd_errstr(err)); 1434 } 1435 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1436 if (err) { 1437 aprint_error_dev(sc->axe_dev, 1438 "close intr pipe failed: %s\n", usbd_errstr(err)); 1439 } 1440 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1441 } 1442 1443 /* Free RX resources. */ 1444 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1445 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1446 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1447 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1448 } 1449 } 1450 1451 /* Free TX resources. */ 1452 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1453 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1454 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1455 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1456 } 1457 } 1458 1459 sc->axe_link = 0; 1460 } 1461 1462 MODULE(MODULE_CLASS_DRIVER, if_axe, NULL); 1463 1464 #ifdef _MODULE 1465 #include "ioconf.c" 1466 #endif 1467 1468 static int 1469 if_axe_modcmd(modcmd_t cmd, void *aux) 1470 { 1471 int error = 0; 1472 1473 switch (cmd) { 1474 case MODULE_CMD_INIT: 1475 #ifdef _MODULE 1476 error = config_init_component(cfdriver_ioconf_axe, 1477 cfattach_ioconf_axe, cfdata_ioconf_axe); 1478 #endif 1479 return error; 1480 case MODULE_CMD_FINI: 1481 #ifdef _MODULE 1482 error = config_fini_component(cfdriver_ioconf_axe, 1483 cfattach_ioconf_axe, cfdata_ioconf_axe); 1484 #endif 1485 return error; 1486 default: 1487 return ENOTTY; 1488 } 1489 } 1490