if_axe.c revision 1.50.2.3
1 /* $NetBSD: if_axe.c,v 1.50.2.3 2013/01/16 05:33:34 yamt 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 (at) 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 (at) 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 (at) 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 autoload 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 (at) 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 1.50.2.3 2013/01/16 05:33:34 yamt Exp $"); 93 94 #if defined(_KERNEL_OPT) 95 #include "opt_inet.h" 96 #endif 97 98 #include <sys/param.h> 99 #include <sys/bus.h> 100 #include <sys/device.h> 101 #include <sys/kernel.h> 102 #include <sys/mbuf.h> 103 #include <sys/module.h> 104 #include <sys/mutex.h> 105 #include <sys/socket.h> 106 #include <sys/sockio.h> 107 #include <sys/systm.h> 108 109 #include <sys/rnd.h> 110 111 #include <net/if.h> 112 #include <net/if_dl.h> 113 #include <net/if_ether.h> 114 #include <net/if_media.h> 115 116 #include <net/bpf.h> 117 118 #include <dev/mii/mii.h> 119 #include <dev/mii/miivar.h> 120 121 #include <dev/usb/usb.h> 122 #include <dev/usb/usbdi.h> 123 #include <dev/usb/usbdi_util.h> 124 #include <dev/usb/usbdivar.h> 125 #include <dev/usb/usbdevs.h> 126 127 #include <dev/usb/if_axereg.h> 128 129 #ifdef AXE_DEBUG 130 #define DPRINTF(x) do { if (axedebug) printf x; } while (0) 131 #define DPRINTFN(n,x) do { if (axedebug >= (n)) printf x; } while (0) 132 int axedebug = 0; 133 #else 134 #define DPRINTF(x) 135 #define DPRINTFN(n,x) 136 #endif 137 138 /* 139 * Various supported device vendors/products. 140 */ 141 static const struct axe_type axe_devs[] = { 142 { { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UFE2000}, 0 }, 143 { { USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2}, 0 }, 144 { { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET }, AX772 }, 145 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 146 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772}, AX772 }, 147 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772A}, AX772 }, 148 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772B}, AX772 | AX772B }, 149 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772B_1}, AX772 | AX772B }, 150 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, 151 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, 152 { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, 153 { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, 154 { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, 155 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 156 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 157 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, 158 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100C1 }, AX772 | AX772B }, 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_LENOVO, USB_PRODUCT_LENOVO_ETHERNET }, AX772 | AX772B }, 163 { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, 164 { { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_USB1000 }, AX178 }, 165 { { USB_VENDOR_LOGITEC, USB_PRODUCT_LOGITEC_LAN_GTJU2}, AX178 }, 166 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2GT}, AX178 }, 167 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, 168 { { USB_VENDOR_MSI, USB_PRODUCT_MSI_AX88772A}, AX772 }, 169 { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, 170 { { USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01PLUS }, AX772 }, 171 { { USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GU1000T }, AX178 }, 172 { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, 173 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, 174 { { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN028 }, AX178 } 175 }; 176 #define axe_lookup(v, p) ((const struct axe_type *)usb_lookup(axe_devs, v, p)) 177 178 int axe_match(device_t, cfdata_t, void *); 179 void axe_attach(device_t, device_t, void *); 180 int axe_detach(device_t, int); 181 int axe_activate(device_t, devact_t); 182 183 CFATTACH_DECL_NEW(axe, sizeof(struct axe_softc), 184 axe_match, axe_attach, axe_detach, axe_activate); 185 186 static int axe_tx_list_init(struct axe_softc *); 187 static int axe_rx_list_init(struct axe_softc *); 188 static int axe_encap(struct axe_softc *, struct mbuf *, int); 189 static void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 190 static void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 191 static void axe_tick(void *); 192 static void axe_tick_task(void *); 193 static void axe_start(struct ifnet *); 194 static int axe_ioctl(struct ifnet *, u_long, void *); 195 static int axe_init(struct ifnet *); 196 static void axe_stop(struct ifnet *, int); 197 static void axe_watchdog(struct ifnet *); 198 static int axe_miibus_readreg(device_t, int, int); 199 static void axe_miibus_writereg(device_t, int, int, int); 200 static void axe_miibus_statchg(struct ifnet *); 201 static int axe_cmd(struct axe_softc *, int, int, int, void *); 202 static void axe_reset(struct axe_softc *sc); 203 static int axe_ifmedia_upd(struct ifnet *); 204 static void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 205 206 static void axe_setmulti(struct axe_softc *); 207 static void axe_lock_mii(struct axe_softc *sc); 208 static void axe_unlock_mii(struct axe_softc *sc); 209 210 static void axe_ax88178_init(struct axe_softc *); 211 static void axe_ax88772_init(struct axe_softc *); 212 213 /* Get exclusive access to the MII registers */ 214 static void 215 axe_lock_mii(struct axe_softc *sc) 216 { 217 218 sc->axe_refcnt++; 219 mutex_enter(&sc->axe_mii_lock); 220 } 221 222 static void 223 axe_unlock_mii(struct axe_softc *sc) 224 { 225 226 mutex_exit(&sc->axe_mii_lock); 227 if (--sc->axe_refcnt < 0) 228 usb_detach_wakeupold((sc->axe_dev)); 229 } 230 231 static int 232 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 233 { 234 usb_device_request_t req; 235 usbd_status err; 236 237 KASSERT(mutex_owned(&sc->axe_mii_lock)); 238 239 if (sc->axe_dying) 240 return 0; 241 242 if (AXE_CMD_DIR(cmd)) 243 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 244 else 245 req.bmRequestType = UT_READ_VENDOR_DEVICE; 246 req.bRequest = AXE_CMD_CMD(cmd); 247 USETW(req.wValue, val); 248 USETW(req.wIndex, index); 249 USETW(req.wLength, AXE_CMD_LEN(cmd)); 250 251 err = usbd_do_request(sc->axe_udev, &req, buf); 252 253 if (err) { 254 DPRINTF(("axe_cmd err: cmd %d err %d\n", cmd, err)); 255 return -1; 256 } 257 return 0; 258 } 259 260 static int 261 axe_miibus_readreg(device_t dev, int phy, int reg) 262 { 263 struct axe_softc *sc = device_private(dev); 264 usbd_status err; 265 uint16_t val; 266 267 if (sc->axe_dying) { 268 DPRINTF(("axe: dying\n")); 269 return 0; 270 } 271 272 /* 273 * The chip tells us the MII address of any supported 274 * PHYs attached to the chip, so only read from those. 275 * 276 * But if the chip lies about its PHYs, read from any. 277 */ 278 val = 0; 279 280 if ((phy == sc->axe_phyaddrs[0]) || (phy == sc->axe_phyaddrs[1]) || 281 (sc->axe_flags & AXE_ANY_PHY)) { 282 axe_lock_mii(sc); 283 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 284 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, (void *)&val); 285 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 286 axe_unlock_mii(sc); 287 288 if (err) { 289 aprint_error_dev(sc->axe_dev, "read PHY failed\n"); 290 return -1; 291 } 292 DPRINTF(("axe_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n", 293 phy, reg, val)); 294 295 if (val && val != 0xffff) 296 sc->axe_phyaddrs[0] = phy; 297 } else { 298 DPRINTF(("axe_miibus_readreg: ignore read from phy 0x%x\n", 299 phy)); 300 } 301 return le16toh(val); 302 } 303 304 static void 305 axe_miibus_writereg(device_t dev, int phy, int reg, int aval) 306 { 307 struct axe_softc *sc = device_private(dev); 308 usbd_status err; 309 uint16_t val; 310 311 if (sc->axe_dying) 312 return; 313 314 val = htole16(aval); 315 axe_lock_mii(sc); 316 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 317 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, (void *)&val); 318 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 319 axe_unlock_mii(sc); 320 321 if (err) { 322 aprint_error_dev(sc->axe_dev, "write PHY failed\n"); 323 return; 324 } 325 } 326 327 static void 328 axe_miibus_statchg(struct ifnet *ifp) 329 { 330 struct axe_softc *sc = ifp->if_softc; 331 struct mii_data *mii = &sc->axe_mii; 332 int val, err; 333 334 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 335 val = AXE_MEDIA_FULL_DUPLEX; 336 else 337 val = 0; 338 339 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 340 val |= (AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC); 341 342 switch (IFM_SUBTYPE(mii->mii_media_active)) { 343 case IFM_1000_T: 344 val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; 345 break; 346 case IFM_100_TX: 347 val |= AXE_178_MEDIA_100TX; 348 break; 349 case IFM_10_T: 350 /* doesn't need to be handled */ 351 break; 352 } 353 } 354 355 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 356 axe_lock_mii(sc); 357 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 358 axe_unlock_mii(sc); 359 if (err) { 360 aprint_error_dev(sc->axe_dev, "media change failed\n"); 361 return; 362 } 363 } 364 365 /* 366 * Set media options 367 */ 368 static int 369 axe_ifmedia_upd(struct ifnet *ifp) 370 { 371 struct axe_softc *sc = ifp->if_softc; 372 struct mii_data *mii = &sc->axe_mii; 373 int rc; 374 375 sc->axe_link = 0; 376 377 if (mii->mii_instance) { 378 struct mii_softc *miisc; 379 380 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 381 mii_phy_reset(miisc); 382 } 383 384 if ((rc = mii_mediachg(mii)) == ENXIO) 385 return 0; 386 return rc; 387 } 388 389 /* 390 * Report current media status 391 */ 392 static void 393 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 394 { 395 struct axe_softc *sc = ifp->if_softc; 396 struct mii_data *mii = &sc->axe_mii; 397 398 mii_pollstat(mii); 399 ifmr->ifm_active = mii->mii_media_active; 400 ifmr->ifm_status = mii->mii_media_status; 401 } 402 403 static void 404 axe_setmulti(struct axe_softc *sc) 405 { 406 struct ifnet *ifp = &sc->sc_if; 407 struct ether_multi *enm; 408 struct ether_multistep step; 409 uint32_t h = 0; 410 uint16_t rxmode; 411 uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 412 413 if (sc->axe_dying) 414 return; 415 416 axe_lock_mii(sc); 417 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, (void *)&rxmode); 418 rxmode = le16toh(rxmode); 419 420 rxmode &= ~(AXE_RXCMD_ALLMULTI | AXE_RXCMD_PROMISC); 421 422 /* If we want promiscuous mode, set the allframes bit */ 423 if (ifp->if_flags & IFF_PROMISC) { 424 rxmode |= AXE_RXCMD_PROMISC; 425 goto allmulti; 426 } 427 428 /* Now program new ones */ 429 ETHER_FIRST_MULTI(step, &sc->axe_ec, enm); 430 while (enm != NULL) { 431 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 432 ETHER_ADDR_LEN) != 0) 433 goto allmulti; 434 435 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 436 hashtbl[h >> 3] |= 1U << (h & 7); 437 ETHER_NEXT_MULTI(step, enm); 438 } 439 ifp->if_flags &= ~IFF_ALLMULTI; 440 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 441 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 442 axe_unlock_mii(sc); 443 return; 444 445 allmulti: 446 ifp->if_flags |= IFF_ALLMULTI; 447 rxmode |= AXE_RXCMD_ALLMULTI; 448 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 449 axe_unlock_mii(sc); 450 } 451 452 static void 453 axe_reset(struct axe_softc *sc) 454 { 455 456 if (sc->axe_dying) 457 return; 458 /* XXX What to reset? */ 459 460 /* Wait a little while for the chip to get its brains in order. */ 461 DELAY(1000); 462 } 463 464 static void 465 axe_ax88178_init(struct axe_softc *sc) 466 { 467 int gpio0 = 0, phymode = 0; 468 uint16_t eeprom; 469 470 axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); 471 /* XXX magic */ 472 axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); 473 axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); 474 475 eeprom = le16toh(eeprom); 476 477 DPRINTF((" EEPROM is 0x%x\n", eeprom)); 478 479 /* if EEPROM is invalid we have to use to GPIO0 */ 480 if (eeprom == 0xffff) { 481 phymode = 0; 482 gpio0 = 1; 483 } else { 484 phymode = eeprom & 7; 485 gpio0 = (eeprom & 0x80) ? 0 : 1; 486 } 487 488 DPRINTF(("use gpio0: %d, phymode %d\n", gpio0, phymode)); 489 490 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x008c, NULL); 491 usbd_delay_ms(sc->axe_udev, 40); 492 if ((eeprom >> 8) != 1) { 493 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 494 usbd_delay_ms(sc->axe_udev, 30); 495 496 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); 497 usbd_delay_ms(sc->axe_udev, 300); 498 499 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 500 usbd_delay_ms(sc->axe_udev, 30); 501 } else { 502 DPRINTF(("axe gpio phymode == 1 path\n")); 503 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); 504 usbd_delay_ms(sc->axe_udev, 30); 505 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); 506 usbd_delay_ms(sc->axe_udev, 30); 507 } 508 509 /* soft reset */ 510 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 511 usbd_delay_ms(sc->axe_udev, 150); 512 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 513 AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); 514 usbd_delay_ms(sc->axe_udev, 150); 515 /* Enable MII/GMII/RGMII for external PHY */ 516 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0, NULL); 517 usbd_delay_ms(sc->axe_udev, 10); 518 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 519 } 520 521 static void 522 axe_ax88772_init(struct axe_softc *sc) 523 { 524 525 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x00b0, NULL); 526 usbd_delay_ms(sc->axe_udev, 40); 527 528 if (sc->axe_phyaddrs[1] == AXE_INTPHY) { 529 /* ask for the embedded PHY */ 530 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); 531 usbd_delay_ms(sc->axe_udev, 10); 532 533 /* power down and reset state, pin reset state */ 534 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 535 usbd_delay_ms(sc->axe_udev, 60); 536 537 /* power down/reset state, pin operating state */ 538 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 539 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 540 usbd_delay_ms(sc->axe_udev, 150); 541 542 /* power up, reset */ 543 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL, NULL); 544 545 /* power up, operating */ 546 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 547 AXE_SW_RESET_IPRL | AXE_SW_RESET_PRL, NULL); 548 } else { 549 /* ask for external PHY */ 550 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x00, NULL); 551 usbd_delay_ms(sc->axe_udev, 10); 552 553 /* power down internal PHY */ 554 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 555 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 556 } 557 558 usbd_delay_ms(sc->axe_udev, 150); 559 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 560 } 561 562 /* 563 * Probe for a AX88172 chip. 564 */ 565 int 566 axe_match(device_t parent, cfdata_t match, void *aux) 567 { 568 struct usb_attach_arg *uaa = aux; 569 570 return axe_lookup(uaa->vendor, uaa->product) != NULL ? 571 UMATCH_VENDOR_PRODUCT : UMATCH_NONE; 572 } 573 574 /* 575 * Attach the interface. Allocate softc structures, do ifmedia 576 * setup and ethernet/BPF attach. 577 */ 578 void 579 axe_attach(device_t parent, device_t self, void *aux) 580 { 581 struct axe_softc *sc = device_private(self); 582 struct usb_attach_arg *uaa = aux; 583 usbd_device_handle dev = uaa->device; 584 usbd_status err; 585 usb_interface_descriptor_t *id; 586 usb_endpoint_descriptor_t *ed; 587 struct mii_data *mii; 588 uint8_t eaddr[ETHER_ADDR_LEN]; 589 char *devinfop; 590 const char *devname = device_xname(self); 591 struct ifnet *ifp; 592 int i, s; 593 594 aprint_naive("\n"); 595 aprint_normal("\n"); 596 597 sc->axe_dev = self; 598 sc->axe_udev = dev; 599 600 devinfop = usbd_devinfo_alloc(dev, 0); 601 aprint_normal_dev(self, "%s\n", devinfop); 602 usbd_devinfo_free(devinfop); 603 604 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 605 if (err) { 606 aprint_error_dev(self, "getting interface handle failed\n"); 607 return; 608 } 609 610 sc->axe_flags = axe_lookup(uaa->vendor, uaa->product)->axe_flags; 611 612 mutex_init(&sc->axe_mii_lock, MUTEX_DEFAULT, IPL_NONE); 613 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 614 615 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 616 if (err) { 617 aprint_error_dev(self, "getting interface handle failed\n"); 618 return; 619 } 620 621 sc->axe_product = uaa->product; 622 sc->axe_vendor = uaa->vendor; 623 624 id = usbd_get_interface_descriptor(sc->axe_iface); 625 626 /* decide on what our bufsize will be */ 627 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 628 sc->axe_bufsz = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 629 AXE_178_MAX_BUFSZ : AXE_178_MIN_BUFSZ; 630 else 631 sc->axe_bufsz = AXE_172_BUFSZ; 632 633 /* Find endpoints. */ 634 for (i = 0; i < id->bNumEndpoints; i++) { 635 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 636 if (ed == NULL) { 637 aprint_error_dev(self, "couldn't get ep %d\n", i); 638 return; 639 } 640 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 641 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 642 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 643 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 644 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 645 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 646 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 647 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 648 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 649 } 650 } 651 652 s = splnet(); 653 654 /* We need the PHYID for init dance in some cases */ 655 axe_lock_mii(sc); 656 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 657 658 DPRINTF((" phyaddrs[0]: %x phyaddrs[1]: %x\n", 659 sc->axe_phyaddrs[0], sc->axe_phyaddrs[1])); 660 661 if (sc->axe_flags & AX178) 662 axe_ax88178_init(sc); 663 else if (sc->axe_flags & AX772) 664 axe_ax88772_init(sc); 665 666 /* 667 * Get station address. 668 */ 669 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 670 axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); 671 else 672 axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); 673 674 /* 675 * Load IPG values 676 */ 677 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 678 axe_unlock_mii(sc); 679 680 /* 681 * An ASIX chip was detected. Inform the world. 682 */ 683 aprint_normal_dev(self, "Ethernet address %s\n", ether_sprintf(eaddr)); 684 685 /* Initialize interface info.*/ 686 ifp = &sc->sc_if; 687 ifp->if_softc = sc; 688 strncpy(ifp->if_xname, devname, IFNAMSIZ); 689 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 690 ifp->if_ioctl = axe_ioctl; 691 ifp->if_start = axe_start; 692 ifp->if_init = axe_init; 693 ifp->if_stop = axe_stop; 694 ifp->if_watchdog = axe_watchdog; 695 696 IFQ_SET_READY(&ifp->if_snd); 697 698 sc->axe_ec.ec_capabilities = ETHERCAP_VLAN_MTU; 699 700 /* Initialize MII/media info. */ 701 mii = &sc->axe_mii; 702 mii->mii_ifp = ifp; 703 mii->mii_readreg = axe_miibus_readreg; 704 mii->mii_writereg = axe_miibus_writereg; 705 mii->mii_statchg = axe_miibus_statchg; 706 mii->mii_flags = MIIF_AUTOTSLEEP; 707 708 sc->axe_ec.ec_mii = mii; 709 if (sc->axe_flags & AXE_MII) 710 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, 711 axe_ifmedia_sts); 712 else 713 ifmedia_init(&mii->mii_media, 0, ether_mediachange, 714 ether_mediastatus); 715 716 mii_attach(sc->axe_dev, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 717 0); 718 719 if (LIST_EMPTY(&mii->mii_phys)) { 720 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 721 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 722 } else 723 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 724 725 /* Attach the interface. */ 726 if_attach(ifp); 727 ether_ifattach(ifp, eaddr); 728 rnd_attach_source(&sc->rnd_source, device_xname(sc->axe_dev), 729 RND_TYPE_NET, 0); 730 731 callout_init(&sc->axe_stat_ch, 0); 732 callout_setfunc(&sc->axe_stat_ch, axe_tick, sc); 733 734 sc->axe_attached = true; 735 splx(s); 736 737 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, sc->axe_dev); 738 } 739 740 int 741 axe_detach(device_t self, int flags) 742 { 743 struct axe_softc *sc = device_private(self); 744 int s; 745 struct ifnet *ifp = &sc->sc_if; 746 747 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 748 749 /* Detached before attached finished, so just bail out. */ 750 if (!sc->axe_attached) 751 return 0; 752 753 sc->axe_dying = true; 754 755 /* 756 * Remove any pending tasks. They cannot be executing because they run 757 * in the same thread as detach. 758 */ 759 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 760 761 s = splusb(); 762 763 if (ifp->if_flags & IFF_RUNNING) 764 axe_stop(ifp, 1); 765 766 callout_destroy(&sc->axe_stat_ch); 767 mutex_destroy(&sc->axe_mii_lock); 768 rnd_detach_source(&sc->rnd_source); 769 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 770 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 771 ether_ifdetach(ifp); 772 if_detach(ifp); 773 774 #ifdef DIAGNOSTIC 775 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 776 sc->axe_ep[AXE_ENDPT_RX] != NULL || 777 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 778 aprint_debug_dev(self, "detach has active endpoints\n"); 779 #endif 780 781 sc->axe_attached = false; 782 783 if (--sc->axe_refcnt >= 0) { 784 /* Wait for processes to go away. */ 785 usb_detach_waitold(sc->axe_dev); 786 } 787 splx(s); 788 789 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, sc->axe_dev); 790 791 return 0; 792 } 793 794 int 795 axe_activate(device_t self, devact_t act) 796 { 797 struct axe_softc *sc = device_private(self); 798 799 DPRINTFN(2,("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 800 801 switch (act) { 802 case DVACT_DEACTIVATE: 803 if_deactivate(&sc->axe_ec.ec_if); 804 sc->axe_dying = true; 805 return 0; 806 default: 807 return EOPNOTSUPP; 808 } 809 } 810 811 static int 812 axe_rx_list_init(struct axe_softc *sc) 813 { 814 struct axe_cdata *cd; 815 struct axe_chain *c; 816 int i; 817 818 DPRINTF(("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 819 820 cd = &sc->axe_cdata; 821 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 822 c = &cd->axe_rx_chain[i]; 823 c->axe_sc = sc; 824 c->axe_idx = i; 825 if (c->axe_xfer == NULL) { 826 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 827 if (c->axe_xfer == NULL) 828 return ENOBUFS; 829 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 830 sc->axe_bufsz); 831 if (c->axe_buf == NULL) { 832 usbd_free_xfer(c->axe_xfer); 833 return ENOBUFS; 834 } 835 } 836 } 837 838 return 0; 839 } 840 841 static int 842 axe_tx_list_init(struct axe_softc *sc) 843 { 844 struct axe_cdata *cd; 845 struct axe_chain *c; 846 int i; 847 848 DPRINTF(("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 849 850 cd = &sc->axe_cdata; 851 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 852 c = &cd->axe_tx_chain[i]; 853 c->axe_sc = sc; 854 c->axe_idx = i; 855 if (c->axe_xfer == NULL) { 856 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 857 if (c->axe_xfer == NULL) 858 return ENOBUFS; 859 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 860 sc->axe_bufsz); 861 if (c->axe_buf == NULL) { 862 usbd_free_xfer(c->axe_xfer); 863 return ENOBUFS; 864 } 865 } 866 } 867 868 return 0; 869 } 870 871 /* 872 * A frame has been uploaded: pass the resulting mbuf chain up to 873 * the higher level protocols. 874 */ 875 static void 876 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 877 { 878 struct axe_softc *sc; 879 struct axe_chain *c; 880 struct ifnet *ifp; 881 uint8_t *buf; 882 uint32_t total_len; 883 u_int rxlen, pktlen; 884 struct mbuf *m; 885 struct axe_sframe_hdr hdr; 886 int s; 887 888 c = (struct axe_chain *)priv; 889 sc = c->axe_sc; 890 buf = c->axe_buf; 891 ifp = &sc->sc_if; 892 893 DPRINTFN(10,("%s: %s: enter\n", device_xname(sc->axe_dev),__func__)); 894 895 if (sc->axe_dying) 896 return; 897 898 if ((ifp->if_flags & IFF_RUNNING) == 0) 899 return; 900 901 if (status != USBD_NORMAL_COMPLETION) { 902 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 903 return; 904 if (usbd_ratecheck(&sc->axe_rx_notice)) 905 aprint_error_dev(sc->axe_dev, "usb errors on rx: %s\n", 906 usbd_errstr(status)); 907 if (status == USBD_STALLED) 908 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 909 goto done; 910 } 911 912 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 913 914 do { 915 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 916 if (total_len < sizeof(hdr)) { 917 ifp->if_ierrors++; 918 goto done; 919 } 920 921 memcpy(&hdr, buf, sizeof(hdr)); 922 total_len -= sizeof(hdr); 923 buf += sizeof(hdr); 924 925 if (((le16toh(hdr.len) & AXE_RH1M_RXLEN_MASK) ^ 926 (le16toh(hdr.ilen) & AXE_RH1M_RXLEN_MASK)) != 927 AXE_RH1M_RXLEN_MASK) { 928 ifp->if_ierrors++; 929 goto done; 930 } 931 932 rxlen = le16toh(hdr.len & AXE_RH1M_RXLEN_MASK); 933 if (total_len < rxlen) { 934 pktlen = total_len; 935 total_len = 0; 936 } else { 937 pktlen = rxlen; 938 rxlen = roundup2(rxlen, 2); 939 total_len -= rxlen; 940 } 941 942 } else { /* AX172 */ 943 pktlen = rxlen = total_len; 944 total_len = 0; 945 } 946 947 MGETHDR(m, M_DONTWAIT, MT_DATA); 948 if (m == NULL) { 949 ifp->if_ierrors++; 950 goto done; 951 } 952 953 if (pktlen > MHLEN - ETHER_ALIGN) { 954 MCLGET(m, M_DONTWAIT); 955 if ((m->m_flags & M_EXT) == 0) { 956 m_freem(m); 957 ifp->if_ierrors++; 958 goto done; 959 } 960 } 961 m->m_data += ETHER_ALIGN; 962 963 ifp->if_ipackets++; 964 m->m_pkthdr.rcvif = ifp; 965 m->m_pkthdr.len = m->m_len = pktlen; 966 967 memcpy(mtod(m, uint8_t *), buf, pktlen); 968 buf += rxlen; 969 970 s = splnet(); 971 972 bpf_mtap(ifp, m); 973 974 DPRINTFN(10,("%s: %s: deliver %d\n", device_xname(sc->axe_dev), 975 __func__, m->m_len)); 976 (*(ifp)->if_input)((ifp), (m)); 977 978 splx(s); 979 980 } while (total_len > 0); 981 982 done: 983 984 /* Setup new transfer. */ 985 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 986 c, c->axe_buf, sc->axe_bufsz, 987 USBD_SHORT_XFER_OK | USBD_NO_COPY, 988 USBD_NO_TIMEOUT, axe_rxeof); 989 usbd_transfer(xfer); 990 991 DPRINTFN(10,("%s: %s: start rx\n", device_xname(sc->axe_dev), __func__)); 992 } 993 994 /* 995 * A frame was downloaded to the chip. It's safe for us to clean up 996 * the list buffers. 997 */ 998 999 static void 1000 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1001 { 1002 struct axe_softc *sc; 1003 struct axe_chain *c; 1004 struct ifnet *ifp; 1005 int s; 1006 1007 c = priv; 1008 sc = c->axe_sc; 1009 ifp = &sc->sc_if; 1010 1011 if (sc->axe_dying) 1012 return; 1013 1014 s = splnet(); 1015 1016 if (status != USBD_NORMAL_COMPLETION) { 1017 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1018 splx(s); 1019 return; 1020 } 1021 ifp->if_oerrors++; 1022 aprint_error_dev(sc->axe_dev, "usb error on tx: %s\n", 1023 usbd_errstr(status)); 1024 if (status == USBD_STALLED) 1025 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 1026 splx(s); 1027 return; 1028 } 1029 1030 ifp->if_timer = 0; 1031 ifp->if_flags &= ~IFF_OACTIVE; 1032 1033 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1034 axe_start(ifp); 1035 1036 ifp->if_opackets++; 1037 splx(s); 1038 } 1039 1040 static void 1041 axe_tick(void *xsc) 1042 { 1043 struct axe_softc *sc = xsc; 1044 1045 if (sc == NULL) 1046 return; 1047 1048 DPRINTFN(0xff, ("%s: %s: enter\n", device_xname(sc->axe_dev), __func__)); 1049 1050 if (sc->axe_dying) 1051 return; 1052 1053 /* Perform periodic stuff in process context */ 1054 usb_add_task(sc->axe_udev, &sc->axe_tick_task, USB_TASKQ_DRIVER); 1055 } 1056 1057 static void 1058 axe_tick_task(void *xsc) 1059 { 1060 int s; 1061 struct axe_softc *sc; 1062 struct ifnet *ifp; 1063 struct mii_data *mii; 1064 1065 sc = xsc; 1066 1067 if (sc == NULL) 1068 return; 1069 1070 if (sc->axe_dying) 1071 return; 1072 1073 ifp = &sc->sc_if; 1074 mii = &sc->axe_mii; 1075 1076 if (mii == NULL) 1077 return; 1078 1079 s = splnet(); 1080 1081 mii_tick(mii); 1082 if (sc->axe_link == 0 && 1083 (mii->mii_media_status & IFM_ACTIVE) != 0 && 1084 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1085 DPRINTF(("%s: %s: got link\n", device_xname(sc->axe_dev), 1086 __func__)); 1087 sc->axe_link++; 1088 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1089 axe_start(ifp); 1090 } 1091 1092 callout_schedule(&sc->axe_stat_ch, hz); 1093 1094 splx(s); 1095 } 1096 1097 static int 1098 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1099 { 1100 struct ifnet *ifp = &sc->sc_if; 1101 struct axe_chain *c; 1102 usbd_status err; 1103 struct axe_sframe_hdr hdr; 1104 int length, boundary; 1105 1106 c = &sc->axe_cdata.axe_tx_chain[idx]; 1107 1108 /* 1109 * Copy the mbuf data into a contiguous buffer, leaving two 1110 * bytes at the beginning to hold the frame length. 1111 */ 1112 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1113 boundary = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 512 : 64; 1114 1115 hdr.len = htole16(m->m_pkthdr.len); 1116 hdr.ilen = ~hdr.len; 1117 1118 memcpy(c->axe_buf, &hdr, sizeof(hdr)); 1119 length = sizeof(hdr); 1120 1121 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); 1122 length += m->m_pkthdr.len; 1123 1124 if ((length % boundary) == 0) { 1125 hdr.len = 0x0000; 1126 hdr.ilen = 0xffff; 1127 memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); 1128 length += sizeof(hdr); 1129 } 1130 } else { 1131 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1132 length = m->m_pkthdr.len; 1133 } 1134 1135 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1136 c, c->axe_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 10000, 1137 axe_txeof); 1138 1139 /* Transmit */ 1140 err = usbd_transfer(c->axe_xfer); 1141 if (err != USBD_IN_PROGRESS) { 1142 axe_stop(ifp, 0); 1143 return EIO; 1144 } 1145 1146 sc->axe_cdata.axe_tx_cnt++; 1147 1148 return 0; 1149 } 1150 1151 static void 1152 axe_start(struct ifnet *ifp) 1153 { 1154 struct axe_softc *sc; 1155 struct mbuf *m; 1156 1157 sc = ifp->if_softc; 1158 1159 if ((sc->axe_flags & AXE_MII) != 0 && sc->axe_link == 0) 1160 return; 1161 1162 if ((ifp->if_flags & (IFF_OACTIVE|IFF_RUNNING)) != IFF_RUNNING) 1163 return; 1164 1165 IFQ_POLL(&ifp->if_snd, m); 1166 if (m == NULL) { 1167 return; 1168 } 1169 1170 if (axe_encap(sc, m, 0)) { 1171 ifp->if_flags |= IFF_OACTIVE; 1172 return; 1173 } 1174 IFQ_DEQUEUE(&ifp->if_snd, m); 1175 1176 /* 1177 * If there's a BPF listener, bounce a copy of this frame 1178 * to him. 1179 */ 1180 bpf_mtap(ifp, m); 1181 m_freem(m); 1182 1183 ifp->if_flags |= IFF_OACTIVE; 1184 1185 /* 1186 * Set a timeout in case the chip goes out to lunch. 1187 */ 1188 ifp->if_timer = 5; 1189 1190 return; 1191 } 1192 1193 static int 1194 axe_init(struct ifnet *ifp) 1195 { 1196 struct axe_softc *sc = ifp->if_softc; 1197 struct axe_chain *c; 1198 usbd_status err; 1199 int rxmode; 1200 int i, s; 1201 uint8_t eaddr[ETHER_ADDR_LEN]; 1202 1203 s = splnet(); 1204 1205 if (ifp->if_flags & IFF_RUNNING) 1206 axe_stop(ifp, 0); 1207 1208 /* 1209 * Cancel pending I/O and free all RX/TX buffers. 1210 */ 1211 axe_reset(sc); 1212 1213 /* Set MAC address */ 1214 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1215 memcpy(eaddr, CLLADDR(ifp->if_sadl), sizeof(eaddr)); 1216 axe_lock_mii(sc); 1217 axe_cmd(sc, AXE_178_CMD_WRITE_NODEID, 0, 0, eaddr); 1218 axe_unlock_mii(sc); 1219 } 1220 1221 /* Enable RX logic. */ 1222 1223 /* Init RX ring. */ 1224 if (axe_rx_list_init(sc) == ENOBUFS) { 1225 aprint_error_dev(sc->axe_dev, "rx list init failed\n"); 1226 splx(s); 1227 return ENOBUFS; 1228 } 1229 1230 /* Init TX ring. */ 1231 if (axe_tx_list_init(sc) == ENOBUFS) { 1232 aprint_error_dev(sc->axe_dev, "tx list init failed\n"); 1233 splx(s); 1234 return ENOBUFS; 1235 } 1236 1237 /* Set transmitter IPG values */ 1238 axe_lock_mii(sc); 1239 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1240 axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], 1241 (sc->axe_ipgs[1] << 8) | (sc->axe_ipgs[0]), NULL); 1242 else { 1243 axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1244 axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1245 axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1246 } 1247 1248 /* Enable receiver, set RX mode */ 1249 rxmode = AXE_RXCMD_BROADCAST | AXE_RXCMD_MULTICAST | AXE_RXCMD_ENABLE; 1250 if (sc->axe_flags & AX772B) 1251 rxmode |= AXE_772B_RXCMD_RH1M; 1252 else if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1253 if (sc->axe_udev->speed == USB_SPEED_HIGH) { 1254 /* Largest possible USB buffer size for AX88178 */ 1255 rxmode |= AXE_178_RXCMD_MFB; 1256 } 1257 } else 1258 rxmode |= AXE_172_RXCMD_UNICAST; 1259 1260 /* If we want promiscuous mode, set the allframes bit. */ 1261 if (ifp->if_flags & IFF_PROMISC) 1262 rxmode |= AXE_RXCMD_PROMISC; 1263 1264 if (ifp->if_flags & IFF_BROADCAST) 1265 rxmode |= AXE_RXCMD_BROADCAST; 1266 1267 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1268 axe_unlock_mii(sc); 1269 1270 /* Load the multicast filter. */ 1271 axe_setmulti(sc); 1272 1273 /* Open RX and TX pipes. */ 1274 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1275 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1276 if (err) { 1277 aprint_error_dev(sc->axe_dev, "open rx pipe failed: %s\n", 1278 usbd_errstr(err)); 1279 splx(s); 1280 return EIO; 1281 } 1282 1283 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1284 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1285 if (err) { 1286 aprint_error_dev(sc->axe_dev, "open tx pipe failed: %s\n", 1287 usbd_errstr(err)); 1288 splx(s); 1289 return EIO; 1290 } 1291 1292 /* Start up the receive pipe. */ 1293 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1294 c = &sc->axe_cdata.axe_rx_chain[i]; 1295 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1296 c, c->axe_buf, sc->axe_bufsz, 1297 USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1298 axe_rxeof); 1299 usbd_transfer(c->axe_xfer); 1300 } 1301 1302 ifp->if_flags |= IFF_RUNNING; 1303 ifp->if_flags &= ~IFF_OACTIVE; 1304 1305 splx(s); 1306 1307 callout_schedule(&sc->axe_stat_ch, hz); 1308 return 0; 1309 } 1310 1311 static int 1312 axe_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1313 { 1314 struct axe_softc *sc = ifp->if_softc; 1315 int s; 1316 int error = 0; 1317 1318 s = splnet(); 1319 1320 switch(cmd) { 1321 case SIOCSIFFLAGS: 1322 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 1323 break; 1324 1325 switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { 1326 case IFF_RUNNING: 1327 axe_stop(ifp, 1); 1328 break; 1329 case IFF_UP: 1330 axe_init(ifp); 1331 break; 1332 case IFF_UP | IFF_RUNNING: 1333 if ((ifp->if_flags ^ sc->axe_if_flags) == IFF_PROMISC) 1334 axe_setmulti(sc); 1335 else 1336 axe_init(ifp); 1337 break; 1338 } 1339 sc->axe_if_flags = ifp->if_flags; 1340 break; 1341 1342 default: 1343 if ((error = ether_ioctl(ifp, cmd, data)) != ENETRESET) 1344 break; 1345 1346 error = 0; 1347 1348 if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) 1349 axe_setmulti(sc); 1350 1351 } 1352 splx(s); 1353 1354 return error; 1355 } 1356 1357 static void 1358 axe_watchdog(struct ifnet *ifp) 1359 { 1360 struct axe_softc *sc; 1361 struct axe_chain *c; 1362 usbd_status stat; 1363 int s; 1364 1365 sc = ifp->if_softc; 1366 1367 ifp->if_oerrors++; 1368 aprint_error_dev(sc->axe_dev, "watchdog timeout\n"); 1369 1370 s = splusb(); 1371 c = &sc->axe_cdata.axe_tx_chain[0]; 1372 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1373 axe_txeof(c->axe_xfer, c, stat); 1374 1375 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1376 axe_start(ifp); 1377 splx(s); 1378 } 1379 1380 /* 1381 * Stop the adapter and free any mbufs allocated to the 1382 * RX and TX lists. 1383 */ 1384 static void 1385 axe_stop(struct ifnet *ifp, int disable) 1386 { 1387 struct axe_softc *sc = ifp->if_softc; 1388 usbd_status err; 1389 int i; 1390 1391 axe_reset(sc); 1392 1393 ifp->if_timer = 0; 1394 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1395 1396 callout_stop(&sc->axe_stat_ch); 1397 1398 /* Stop transfers. */ 1399 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1400 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1401 if (err) { 1402 aprint_error_dev(sc->axe_dev, 1403 "abort rx pipe failed: %s\n", usbd_errstr(err)); 1404 } 1405 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1406 if (err) { 1407 aprint_error_dev(sc->axe_dev, 1408 "close rx pipe failed: %s\n", usbd_errstr(err)); 1409 } 1410 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1411 } 1412 1413 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1414 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1415 if (err) { 1416 aprint_error_dev(sc->axe_dev, 1417 "abort tx pipe failed: %s\n", usbd_errstr(err)); 1418 } 1419 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1420 if (err) { 1421 aprint_error_dev(sc->axe_dev, 1422 "close tx pipe failed: %s\n", usbd_errstr(err)); 1423 } 1424 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1425 } 1426 1427 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1428 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1429 if (err) { 1430 aprint_error_dev(sc->axe_dev, 1431 "abort intr pipe failed: %s\n", usbd_errstr(err)); 1432 } 1433 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1434 if (err) { 1435 aprint_error_dev(sc->axe_dev, 1436 "close intr pipe failed: %s\n", usbd_errstr(err)); 1437 } 1438 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1439 } 1440 1441 /* Free RX resources. */ 1442 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1443 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1444 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1445 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1446 } 1447 } 1448 1449 /* Free TX resources. */ 1450 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1451 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1452 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1453 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1454 } 1455 } 1456 1457 sc->axe_link = 0; 1458 } 1459 1460 MODULE(MODULE_CLASS_DRIVER, if_axe, "bpf"); 1461 1462 #ifdef _MODULE 1463 #include "ioconf.c" 1464 #endif 1465 1466 static int 1467 if_axe_modcmd(modcmd_t cmd, void *aux) 1468 { 1469 int error = 0; 1470 1471 switch (cmd) { 1472 case MODULE_CMD_INIT: 1473 #ifdef _MODULE 1474 error = config_init_component(cfdriver_ioconf_axe, 1475 cfattach_ioconf_axe, cfdata_ioconf_axe); 1476 #endif 1477 return error; 1478 case MODULE_CMD_FINI: 1479 #ifdef _MODULE 1480 error = config_fini_component(cfdriver_ioconf_axe, 1481 cfattach_ioconf_axe, cfdata_ioconf_axe); 1482 #endif 1483 return error; 1484 default: 1485 return ENOTTY; 1486 } 1487 } 1488
Indexes created Wed Oct 01 18:09:54 GMT 2025