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