1 /* $OpenBSD: if_axe.c,v 1.91 2008/11/28 02:44:18 brad Exp $ */ 2 3 /* 4 * Copyright (c) 2005, 2006, 2007 Jonathan Gray <jsg@openbsd.org> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 /* 20 * Copyright (c) 1997, 1998, 1999, 2000-2003 21 * Bill Paul <wpaul@windriver.com>. All rights reserved. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the above copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * This product includes software developed by Bill Paul. 34 * 4. Neither the name of the author nor the names of any co-contributors 35 * may be used to endorse or promote products derived from this software 36 * without specific prior written permission. 37 * 38 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 39 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 41 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 42 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 43 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 44 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 45 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 46 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 47 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 48 * THE POSSIBILITY OF SUCH DAMAGE. 49 */ 50 51 #include <sys/cdefs.h> 52 53 /* 54 * ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 55 * LinkSys USB200M and various other adapters. 56 * 57 * Manuals available from: 58 * http://www.asix.com.tw/datasheet/mac/Ax88172.PDF 59 * Note: you need the manual for the AX88170 chip (USB 1.x ethernet 60 * controller) to find the definitions for the RX control register. 61 * http://www.asix.com.tw/datasheet/mac/Ax88170.PDF 62 * 63 * Written by Bill Paul <wpaul@windriver.com> 64 * Senior Engineer 65 * Wind River Systems 66 */ 67 68 /* 69 * The AX88172 provides USB ethernet supports at 10 and 100Mbps. 70 * It uses an external PHY (reference designs use a RealTek chip), 71 * and has a 64-bit multicast hash filter. There is some information 72 * missing from the manual which one needs to know in order to make 73 * the chip function: 74 * 75 * - You must set bit 7 in the RX control register, otherwise the 76 * chip won't receive any packets. 77 * - You must initialize all 3 IPG registers, or you won't be able 78 * to send any packets. 79 * 80 * Note that this device appears to only support loading the station 81 * address via autload from the EEPROM (i.e. there's no way to manaully 82 * set it). 83 * 84 * (Adam Weinberger wanted me to name this driver if_gir.c.) 85 */ 86 87 /* 88 * Ported to OpenBSD 3/28/2004 by Greg Taleck <taleck@oz.net> 89 * with bits and pieces from the aue and url drivers. 90 */ 91 92 #include "bpfilter.h" 93 94 #include <sys/param.h> 95 #include <sys/systm.h> 96 #include <sys/sockio.h> 97 #include <sys/rwlock.h> 98 #include <sys/mbuf.h> 99 #include <sys/kernel.h> 100 #include <sys/proc.h> 101 #include <sys/socket.h> 102 103 #include <sys/device.h> 104 105 #include <machine/bus.h> 106 107 #include <net/if.h> 108 #include <net/if_dl.h> 109 #include <net/if_media.h> 110 111 #if NBPFILTER > 0 112 #include <net/bpf.h> 113 #endif 114 115 #ifdef INET 116 #include <netinet/in.h> 117 #include <netinet/in_systm.h> 118 #include <netinet/in_var.h> 119 #include <netinet/ip.h> 120 #include <netinet/if_ether.h> 121 #endif 122 123 #include <dev/mii/mii.h> 124 #include <dev/mii/miivar.h> 125 126 #include <dev/usb/usb.h> 127 #include <dev/usb/usbdi.h> 128 #include <dev/usb/usbdi_util.h> 129 #include <dev/usb/usbdivar.h> 130 #include <dev/usb/usbdevs.h> 131 132 #include <dev/usb/if_axereg.h> 133 134 #ifdef AXE_DEBUG 135 #define DPRINTF(x) do { if (axedebug) printf x; } while (0) 136 #define DPRINTFN(n,x) do { if (axedebug >= (n)) printf x; } while (0) 137 int axedebug = 0; 138 #else 139 #define DPRINTF(x) 140 #define DPRINTFN(n,x) 141 #endif 142 143 /* 144 * Various supported device vendors/products. 145 */ 146 const struct axe_type axe_devs[] = { 147 { { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UF200}, 0 }, 148 { { USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2}, 0 }, 149 { { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET }, AX772 }, 150 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 151 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772}, AX772 }, 152 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, 153 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, 154 { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, 155 { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, 156 { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, 157 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 158 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 159 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, 160 { { USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_GWUSB2E}, 0 }, 161 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_ETGUS2 }, AX178 }, 162 { { USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_PRX1}, 0 }, 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_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 }; 175 176 #define axe_lookup(v, p) ((struct axe_type *)usb_lookup(axe_devs, v, p)) 177 178 int axe_match(struct device *, void *, void *); 179 void axe_attach(struct device *, struct device *, void *); 180 int axe_detach(struct device *, int); 181 int axe_activate(struct device *, enum devact); 182 183 struct cfdriver axe_cd = { 184 NULL, "axe", DV_IFNET 185 }; 186 187 const struct cfattach axe_ca = { 188 sizeof(struct axe_softc), 189 axe_match, 190 axe_attach, 191 axe_detach, 192 axe_activate, 193 }; 194 195 int axe_tx_list_init(struct axe_softc *); 196 int axe_rx_list_init(struct axe_softc *); 197 struct mbuf *axe_newbuf(void); 198 int axe_encap(struct axe_softc *, struct mbuf *, int); 199 void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 200 void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 201 void axe_tick(void *); 202 void axe_tick_task(void *); 203 void axe_start(struct ifnet *); 204 int axe_ioctl(struct ifnet *, u_long, caddr_t); 205 void axe_init(void *); 206 void axe_stop(struct axe_softc *); 207 void axe_watchdog(struct ifnet *); 208 int axe_miibus_readreg(struct device *, int, int); 209 void axe_miibus_writereg(struct device *, int, int, int); 210 void axe_miibus_statchg(struct device *); 211 int axe_cmd(struct axe_softc *, int, int, int, void *); 212 int axe_ifmedia_upd(struct ifnet *); 213 void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 214 void axe_reset(struct axe_softc *sc); 215 216 void axe_setmulti(struct axe_softc *); 217 void axe_lock_mii(struct axe_softc *sc); 218 void axe_unlock_mii(struct axe_softc *sc); 219 220 void axe_ax88178_init(struct axe_softc *); 221 void axe_ax88772_init(struct axe_softc *); 222 223 /* Get exclusive access to the MII registers */ 224 void 225 axe_lock_mii(struct axe_softc *sc) 226 { 227 sc->axe_refcnt++; 228 rw_enter_write(&sc->axe_mii_lock); 229 } 230 231 void 232 axe_unlock_mii(struct axe_softc *sc) 233 { 234 rw_exit_write(&sc->axe_mii_lock); 235 if (--sc->axe_refcnt < 0) 236 usb_detach_wakeup(&sc->axe_dev); 237 } 238 239 int 240 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 241 { 242 usb_device_request_t req; 243 usbd_status err; 244 245 if (sc->axe_dying) 246 return(0); 247 248 if (AXE_CMD_DIR(cmd)) 249 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 250 else 251 req.bmRequestType = UT_READ_VENDOR_DEVICE; 252 req.bRequest = AXE_CMD_CMD(cmd); 253 USETW(req.wValue, val); 254 USETW(req.wIndex, index); 255 USETW(req.wLength, AXE_CMD_LEN(cmd)); 256 257 err = usbd_do_request(sc->axe_udev, &req, buf); 258 259 if (err) { 260 DPRINTF(("axe_cmd err: cmd: %d\n", cmd)); 261 return(-1); 262 } 263 264 return(0); 265 } 266 267 int 268 axe_miibus_readreg(struct device *dev, int phy, int reg) 269 { 270 struct axe_softc *sc = (void *)dev; 271 usbd_status err; 272 uWord val; 273 274 if (sc->axe_dying) { 275 DPRINTF(("axe: dying\n")); 276 return(0); 277 } 278 279 #ifdef notdef 280 /* 281 * The chip tells us the MII address of any supported 282 * PHYs attached to the chip, so only read from those. 283 */ 284 285 DPRINTF(("axe_miibus_readreg: phy 0x%x reg 0x%x\n", phy, reg)); 286 287 if (sc->axe_phyaddrs[0] != AXE_NOPHY && phy != sc->axe_phyaddrs[0]) 288 return (0); 289 290 if (sc->axe_phyaddrs[1] != AXE_NOPHY && phy != sc->axe_phyaddrs[1]) 291 return (0); 292 #endif 293 if (sc->axe_phyaddrs[0] != 0xFF && sc->axe_phyaddrs[0] != phy) 294 return (0); 295 296 USETW(val, 0); 297 298 axe_lock_mii(sc); 299 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 300 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, val); 301 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 302 axe_unlock_mii(sc); 303 304 if (err) { 305 printf("axe%d: read PHY failed\n", sc->axe_unit); 306 return(-1); 307 } 308 DPRINTF(("axe_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n", 309 phy, reg, UGETW(val))); 310 311 if (UGETW(val) && UGETW(val) != 0xffff) 312 sc->axe_phyaddrs[0] = phy; 313 314 return (UGETW(val)); 315 } 316 317 void 318 axe_miibus_writereg(struct device *dev, int phy, int reg, int val) 319 { 320 struct axe_softc *sc = (void *)dev; 321 usbd_status err; 322 uWord uval; 323 324 if (sc->axe_dying) 325 return; 326 327 USETW(uval, val); 328 329 axe_lock_mii(sc); 330 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 331 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, uval); 332 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 333 axe_unlock_mii(sc); 334 335 if (err) { 336 printf("axe%d: write PHY failed\n", sc->axe_unit); 337 return; 338 } 339 } 340 341 void 342 axe_miibus_statchg(struct device *dev) 343 { 344 struct axe_softc *sc = (void *)dev; 345 struct mii_data *mii = GET_MII(sc); 346 int val, err; 347 348 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 349 val = AXE_MEDIA_FULL_DUPLEX; 350 else 351 val = 0; 352 353 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 354 val |= (AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC); 355 356 switch (IFM_SUBTYPE(mii->mii_media_active)) { 357 case IFM_1000_T: 358 val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; 359 break; 360 case IFM_100_TX: 361 val |= AXE_178_MEDIA_100TX; 362 break; 363 case IFM_10_T: 364 /* doesn't need to be handled */ 365 break; 366 } 367 } 368 369 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 370 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 371 if (err) { 372 printf("%s: media change failed\n", sc->axe_dev.dv_xname); 373 return; 374 } 375 } 376 377 /* 378 * Set media options. 379 */ 380 int 381 axe_ifmedia_upd(struct ifnet *ifp) 382 { 383 struct axe_softc *sc = ifp->if_softc; 384 struct mii_data *mii = GET_MII(sc); 385 386 sc->axe_link = 0; 387 if (mii->mii_instance) { 388 struct mii_softc *miisc; 389 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 390 mii_phy_reset(miisc); 391 } 392 mii_mediachg(mii); 393 394 return (0); 395 } 396 397 /* 398 * Report current media status. 399 */ 400 void 401 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 402 { 403 struct axe_softc *sc = ifp->if_softc; 404 struct mii_data *mii = GET_MII(sc); 405 406 mii_pollstat(mii); 407 ifmr->ifm_active = mii->mii_media_active; 408 ifmr->ifm_status = mii->mii_media_status; 409 } 410 411 void 412 axe_setmulti(struct axe_softc *sc) 413 { 414 struct ifnet *ifp; 415 struct ether_multi *enm; 416 struct ether_multistep step; 417 u_int32_t h = 0; 418 uWord urxmode; 419 u_int16_t rxmode; 420 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 421 422 if (sc->axe_dying) 423 return; 424 425 ifp = GET_IFP(sc); 426 427 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, urxmode); 428 rxmode = UGETW(urxmode); 429 430 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 431 allmulti: 432 rxmode |= AXE_RXCMD_ALLMULTI; 433 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 434 return; 435 } else 436 rxmode &= ~AXE_RXCMD_ALLMULTI; 437 438 /* now program new ones */ 439 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 440 while (enm != NULL) { 441 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 442 ETHER_ADDR_LEN) != 0) 443 goto allmulti; 444 445 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 446 hashtbl[h / 8] |= 1 << (h % 8); 447 ETHER_NEXT_MULTI(step, enm); 448 } 449 450 ifp->if_flags &= ~IFF_ALLMULTI; 451 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 452 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 453 return; 454 } 455 456 void 457 axe_reset(struct axe_softc *sc) 458 { 459 if (sc->axe_dying) 460 return; 461 /* XXX What to reset? */ 462 463 /* Wait a little while for the chip to get its brains in order. */ 464 DELAY(1000); 465 return; 466 } 467 468 void 469 axe_ax88178_init(struct axe_softc *sc) 470 { 471 int gpio0 = 0, phymode = 0; 472 u_int16_t eeprom; 473 474 axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); 475 /* XXX magic */ 476 axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); 477 axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); 478 479 eeprom = letoh16(eeprom); 480 481 DPRINTF((" EEPROM is 0x%x\n", eeprom)); 482 483 /* if EEPROM is invalid we have to use to GPIO0 */ 484 if (eeprom == 0xffff) { 485 phymode = 0; 486 gpio0 = 1; 487 } else { 488 phymode = eeprom & 7; 489 gpio0 = (eeprom & 0x80) ? 0 : 1; 490 } 491 492 DPRINTF(("use gpio0: %d, phymode %d\n", gpio0, phymode)); 493 494 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x008c, NULL); 495 usbd_delay_ms(sc->axe_udev, 40); 496 if ((eeprom >> 8) != 1) { 497 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 498 usbd_delay_ms(sc->axe_udev, 30); 499 500 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); 501 usbd_delay_ms(sc->axe_udev, 300); 502 503 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 504 usbd_delay_ms(sc->axe_udev, 30); 505 } else { 506 DPRINTF(("axe gpio phymode == 1 path\n")); 507 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); 508 usbd_delay_ms(sc->axe_udev, 30); 509 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); 510 usbd_delay_ms(sc->axe_udev, 30); 511 } 512 513 /* soft reset */ 514 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 515 usbd_delay_ms(sc->axe_udev, 150); 516 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 517 AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); 518 usbd_delay_ms(sc->axe_udev, 150); 519 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 520 } 521 522 void 523 axe_ax88772_init(struct axe_softc *sc) 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(struct device *parent, void *match, void *aux) 567 { 568 struct usb_attach_arg *uaa = aux; 569 570 if (!uaa->iface) 571 return(UMATCH_NONE); 572 573 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 574 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 575 } 576 577 /* 578 * Attach the interface. Allocate softc structures, do ifmedia 579 * setup and ethernet/BPF attach. 580 */ 581 void 582 axe_attach(struct device *parent, struct device *self, void *aux) 583 { 584 struct axe_softc *sc = (struct axe_softc *)self; 585 struct usb_attach_arg *uaa = aux; 586 usbd_device_handle dev = uaa->device; 587 usbd_status err; 588 usb_interface_descriptor_t *id; 589 usb_endpoint_descriptor_t *ed; 590 struct mii_data *mii; 591 u_char eaddr[ETHER_ADDR_LEN]; 592 char *devname = sc->axe_dev.dv_xname; 593 struct ifnet *ifp; 594 int i, s; 595 596 sc->axe_unit = self->dv_unit; /*device_get_unit(self);*/ 597 598 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 599 if (err) { 600 printf("%s: getting interface handle failed\n", 601 sc->axe_dev.dv_xname); 602 return; 603 } 604 605 sc->axe_flags = axe_lookup(uaa->vendor, uaa->product)->axe_flags; 606 607 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc); 608 rw_init(&sc->axe_mii_lock, "axemii"); 609 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc); 610 611 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 612 if (err) { 613 printf("%s: getting interface handle failed\n", 614 sc->axe_dev.dv_xname); 615 return; 616 } 617 618 sc->axe_udev = dev; 619 sc->axe_product = uaa->product; 620 sc->axe_vendor = uaa->vendor; 621 622 id = usbd_get_interface_descriptor(sc->axe_iface); 623 624 /* decide on what our bufsize will be */ 625 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 626 sc->axe_bufsz = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 627 AXE_178_MAX_BUFSZ : AXE_178_MIN_BUFSZ; 628 else 629 sc->axe_bufsz = AXE_172_BUFSZ; 630 631 /* Find endpoints. */ 632 for (i = 0; i < id->bNumEndpoints; i++) { 633 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 634 if (!ed) { 635 printf("%s: couldn't get ep %d\n", 636 sc->axe_dev.dv_xname, 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 printf("%s:", sc->axe_dev.dv_xname); 654 655 /* We need the PHYID for init dance in some cases */ 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 printf(" AX88178"); 664 } else if (sc->axe_flags & AX772) { 665 axe_ax88772_init(sc); 666 printf(" AX88772"); 667 } else 668 printf(" AX88172"); 669 670 /* 671 * Get station address. 672 */ 673 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 674 axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); 675 else 676 axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); 677 678 /* 679 * Load IPG values 680 */ 681 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 682 683 /* 684 * Work around broken adapters that appear to lie about 685 * their PHY addresses. 686 */ 687 sc->axe_phyaddrs[0] = sc->axe_phyaddrs[1] = 0xFF; 688 689 /* 690 * An ASIX chip was detected. Inform the world. 691 */ 692 printf(", address %s\n", ether_sprintf(eaddr)); 693 694 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 695 696 /* Initialize interface info.*/ 697 ifp = &sc->arpcom.ac_if; 698 ifp->if_softc = sc; 699 strlcpy(ifp->if_xname, devname, IFNAMSIZ); 700 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 701 ifp->if_ioctl = axe_ioctl; 702 ifp->if_start = axe_start; 703 704 ifp->if_watchdog = axe_watchdog; 705 706 /* ifp->if_baudrate = 10000000; */ 707 /* ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;*/ 708 709 IFQ_SET_READY(&ifp->if_snd); 710 711 ifp->if_capabilities = IFCAP_VLAN_MTU; 712 713 /* Initialize MII/media info. */ 714 mii = &sc->axe_mii; 715 mii->mii_ifp = ifp; 716 mii->mii_readreg = axe_miibus_readreg; 717 mii->mii_writereg = axe_miibus_writereg; 718 mii->mii_statchg = axe_miibus_statchg; 719 mii->mii_flags = MIIF_AUTOTSLEEP; 720 721 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, axe_ifmedia_sts); 722 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 723 724 if (LIST_FIRST(&mii->mii_phys) == NULL) { 725 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 726 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 727 } else 728 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 729 730 /* Attach the interface. */ 731 if_attach(ifp); 732 ether_ifattach(ifp); 733 734 timeout_set(&sc->axe_stat_ch, axe_tick, sc); 735 736 sc->axe_attached = 1; 737 splx(s); 738 739 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axe_udev, 740 &sc->axe_dev); 741 } 742 743 int 744 axe_detach(struct device *self, int flags) 745 { 746 struct axe_softc *sc = (struct axe_softc *)self; 747 int s; 748 struct ifnet *ifp = GET_IFP(sc); 749 750 DPRINTFN(2,("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 751 752 /* Detached before attached finished, so just bail out. */ 753 if (!sc->axe_attached) 754 return (0); 755 756 timeout_del(&sc->axe_stat_ch); 757 758 sc->axe_dying = 1; 759 760 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 761 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 762 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 763 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 764 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 765 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 766 767 /* 768 * Remove any pending tasks. They cannot be executing because they run 769 * in the same thread as detach. 770 */ 771 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 772 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 773 774 s = splusb(); 775 776 if (--sc->axe_refcnt >= 0) { 777 /* Wait for processes to go away */ 778 usb_detach_wait(&sc->axe_dev); 779 } 780 781 if (ifp->if_flags & IFF_RUNNING) 782 axe_stop(sc); 783 784 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 785 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 786 ether_ifdetach(ifp); 787 if_detach(ifp); 788 789 #ifdef DIAGNOSTIC 790 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 791 sc->axe_ep[AXE_ENDPT_RX] != NULL || 792 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 793 printf("%s: detach has active endpoints\n", 794 sc->axe_dev.dv_xname); 795 #endif 796 797 sc->axe_attached = 0; 798 799 if (--sc->axe_refcnt >= 0) { 800 /* Wait for processes to go away. */ 801 usb_detach_wait(&sc->axe_dev); 802 } 803 splx(s); 804 805 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axe_udev, 806 &sc->axe_dev); 807 808 return (0); 809 } 810 811 int 812 axe_activate(struct device *self, enum devact act) 813 { 814 struct axe_softc *sc = (struct axe_softc *)self; 815 816 DPRINTFN(2,("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 817 818 switch (act) { 819 case DVACT_ACTIVATE: 820 break; 821 822 case DVACT_DEACTIVATE: 823 sc->axe_dying = 1; 824 break; 825 } 826 return (0); 827 } 828 829 struct mbuf * 830 axe_newbuf(void) 831 { 832 struct mbuf *m; 833 834 MGETHDR(m, M_DONTWAIT, MT_DATA); 835 if (m == NULL) 836 return (NULL); 837 838 MCLGET(m, M_DONTWAIT); 839 if (!(m->m_flags & M_EXT)) { 840 m_freem(m); 841 return (NULL); 842 } 843 844 m->m_len = m->m_pkthdr.len = MCLBYTES; 845 m_adj(m, ETHER_ALIGN); 846 847 return (m); 848 } 849 850 int 851 axe_rx_list_init(struct axe_softc *sc) 852 { 853 struct axe_cdata *cd; 854 struct axe_chain *c; 855 int i; 856 857 DPRINTF(("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 858 859 cd = &sc->axe_cdata; 860 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 861 c = &cd->axe_rx_chain[i]; 862 c->axe_sc = sc; 863 c->axe_idx = i; 864 c->axe_mbuf = NULL; 865 if (c->axe_xfer == NULL) { 866 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 867 if (c->axe_xfer == NULL) 868 return (ENOBUFS); 869 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 870 sc->axe_bufsz); 871 if (c->axe_buf == NULL) { 872 usbd_free_xfer(c->axe_xfer); 873 return (ENOBUFS); 874 } 875 } 876 } 877 878 return (0); 879 } 880 881 int 882 axe_tx_list_init(struct axe_softc *sc) 883 { 884 struct axe_cdata *cd; 885 struct axe_chain *c; 886 int i; 887 888 DPRINTF(("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 889 890 cd = &sc->axe_cdata; 891 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 892 c = &cd->axe_tx_chain[i]; 893 c->axe_sc = sc; 894 c->axe_idx = i; 895 c->axe_mbuf = NULL; 896 if (c->axe_xfer == NULL) { 897 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 898 if (c->axe_xfer == NULL) 899 return (ENOBUFS); 900 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 901 sc->axe_bufsz); 902 if (c->axe_buf == NULL) { 903 usbd_free_xfer(c->axe_xfer); 904 return (ENOBUFS); 905 } 906 } 907 } 908 909 return (0); 910 } 911 912 /* 913 * A frame has been uploaded: pass the resulting mbuf chain up to 914 * the higher level protocols. 915 */ 916 void 917 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 918 { 919 struct axe_chain *c = (struct axe_chain *)priv; 920 struct axe_softc *sc = c->axe_sc; 921 struct ifnet *ifp = GET_IFP(sc); 922 u_char *buf = c->axe_buf; 923 u_int32_t total_len; 924 u_int16_t pktlen = 0; 925 struct mbuf *m; 926 struct axe_sframe_hdr hdr; 927 int s; 928 929 DPRINTFN(10,("%s: %s: enter\n", sc->axe_dev.dv_xname,__func__)); 930 931 if (sc->axe_dying) 932 return; 933 934 if (!(ifp->if_flags & IFF_RUNNING)) 935 return; 936 937 if (status != USBD_NORMAL_COMPLETION) { 938 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 939 return; 940 if (usbd_ratecheck(&sc->axe_rx_notice)) { 941 printf("%s: usb errors on rx: %s\n", 942 sc->axe_dev.dv_xname, usbd_errstr(status)); 943 } 944 if (status == USBD_STALLED) 945 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 946 goto done; 947 } 948 949 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 950 951 do { 952 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 953 if (total_len < sizeof(hdr)) { 954 ifp->if_ierrors++; 955 goto done; 956 } 957 958 buf += pktlen; 959 960 memcpy(&hdr, buf, sizeof(hdr)); 961 total_len -= sizeof(hdr); 962 963 if ((hdr.len ^ hdr.ilen) != 0xffff) { 964 ifp->if_ierrors++; 965 goto done; 966 } 967 pktlen = letoh16(hdr.len); 968 if (pktlen > total_len) { 969 ifp->if_ierrors++; 970 goto done; 971 } 972 973 buf += sizeof(hdr); 974 975 if ((pktlen % 2) != 0) 976 pktlen++; 977 978 if ((total_len - pktlen) < 0) 979 total_len = 0; 980 else 981 total_len -= pktlen; 982 } else { 983 pktlen = total_len; /* crc on the end? */ 984 total_len = 0; 985 } 986 987 m = axe_newbuf(); 988 if (m == NULL) { 989 ifp->if_ierrors++; 990 goto done; 991 } 992 993 ifp->if_ipackets++; 994 m->m_pkthdr.rcvif = ifp; 995 m->m_pkthdr.len = m->m_len = pktlen; 996 997 memcpy(mtod(m, char *), buf, pktlen); 998 999 /* push the packet up */ 1000 s = splnet(); 1001 #if NBPFILTER > 0 1002 if (ifp->if_bpf) 1003 bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_IN); 1004 #endif 1005 1006 ether_input_mbuf(ifp, m); 1007 1008 splx(s); 1009 1010 } while (total_len > 0); 1011 1012 done: 1013 memset(c->axe_buf, 0, sc->axe_bufsz); 1014 1015 /* Setup new transfer. */ 1016 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 1017 c, c->axe_buf, sc->axe_bufsz, 1018 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1019 USBD_NO_TIMEOUT, axe_rxeof); 1020 usbd_transfer(xfer); 1021 1022 DPRINTFN(10,("%s: %s: start rx\n", sc->axe_dev.dv_xname, __func__)); 1023 1024 return; 1025 } 1026 1027 /* 1028 * A frame was downloaded to the chip. It's safe for us to clean up 1029 * the list buffers. 1030 */ 1031 1032 void 1033 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1034 { 1035 struct axe_softc *sc; 1036 struct axe_chain *c; 1037 struct ifnet *ifp; 1038 int s; 1039 1040 c = priv; 1041 sc = c->axe_sc; 1042 ifp = &sc->arpcom.ac_if; 1043 1044 if (sc->axe_dying) 1045 return; 1046 1047 s = splnet(); 1048 1049 if (status != USBD_NORMAL_COMPLETION) { 1050 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1051 splx(s); 1052 return; 1053 } 1054 ifp->if_oerrors++; 1055 printf("axe%d: usb error on tx: %s\n", sc->axe_unit, 1056 usbd_errstr(status)); 1057 if (status == USBD_STALLED) 1058 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 1059 splx(s); 1060 return; 1061 } 1062 1063 ifp->if_timer = 0; 1064 ifp->if_flags &= ~IFF_OACTIVE; 1065 1066 m_freem(c->axe_mbuf); 1067 c->axe_mbuf = NULL; 1068 1069 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1070 axe_start(ifp); 1071 1072 ifp->if_opackets++; 1073 splx(s); 1074 return; 1075 } 1076 1077 void 1078 axe_tick(void *xsc) 1079 { 1080 struct axe_softc *sc = xsc; 1081 1082 if (sc == NULL) 1083 return; 1084 1085 DPRINTFN(0xff, ("%s: %s: enter\n", sc->axe_dev.dv_xname, 1086 __func__)); 1087 1088 if (sc->axe_dying) 1089 return; 1090 1091 /* Perform periodic stuff in process context */ 1092 usb_add_task(sc->axe_udev, &sc->axe_tick_task); 1093 1094 } 1095 1096 void 1097 axe_tick_task(void *xsc) 1098 { 1099 int s; 1100 struct axe_softc *sc; 1101 struct ifnet *ifp; 1102 struct mii_data *mii; 1103 1104 sc = xsc; 1105 1106 if (sc == NULL) 1107 return; 1108 1109 if (sc->axe_dying) 1110 return; 1111 1112 ifp = GET_IFP(sc); 1113 mii = GET_MII(sc); 1114 if (mii == NULL) 1115 return; 1116 1117 s = splnet(); 1118 1119 mii_tick(mii); 1120 if (!sc->axe_link && mii->mii_media_status & IFM_ACTIVE && 1121 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { 1122 DPRINTF(("%s: %s: got link\n", 1123 sc->axe_dev.dv_xname, __func__)); 1124 sc->axe_link++; 1125 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1126 axe_start(ifp); 1127 } 1128 1129 timeout_add_sec(&sc->axe_stat_ch, 1); 1130 1131 splx(s); 1132 } 1133 1134 int 1135 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1136 { 1137 struct axe_chain *c; 1138 usbd_status err; 1139 struct axe_sframe_hdr hdr; 1140 int length, boundary; 1141 1142 c = &sc->axe_cdata.axe_tx_chain[idx]; 1143 1144 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1145 boundary = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 512 : 64; 1146 1147 hdr.len = htole16(m->m_pkthdr.len); 1148 hdr.ilen = ~hdr.len; 1149 1150 memcpy(c->axe_buf, &hdr, sizeof(hdr)); 1151 length = sizeof(hdr); 1152 1153 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); 1154 length += m->m_pkthdr.len; 1155 1156 if ((length % boundary) == 0) { 1157 hdr.len = 0x0000; 1158 hdr.ilen = 0xffff; 1159 memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); 1160 length += sizeof(hdr); 1161 } 1162 1163 } else { 1164 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1165 length = m->m_pkthdr.len; 1166 } 1167 1168 c->axe_mbuf = m; 1169 1170 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1171 c, c->axe_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1172 10000, axe_txeof); 1173 1174 /* Transmit */ 1175 err = usbd_transfer(c->axe_xfer); 1176 if (err != USBD_IN_PROGRESS) { 1177 axe_stop(sc); 1178 return(EIO); 1179 } 1180 1181 sc->axe_cdata.axe_tx_cnt++; 1182 1183 return(0); 1184 } 1185 1186 void 1187 axe_start(struct ifnet *ifp) 1188 { 1189 struct axe_softc *sc; 1190 struct mbuf *m_head = NULL; 1191 1192 sc = ifp->if_softc; 1193 1194 if (!sc->axe_link) 1195 return; 1196 1197 if (ifp->if_flags & IFF_OACTIVE) 1198 return; 1199 1200 IFQ_POLL(&ifp->if_snd, m_head); 1201 if (m_head == NULL) 1202 return; 1203 1204 if (axe_encap(sc, m_head, 0)) { 1205 ifp->if_flags |= IFF_OACTIVE; 1206 return; 1207 } 1208 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1209 1210 /* 1211 * If there's a BPF listener, bounce a copy of this frame 1212 * to him. 1213 */ 1214 #if NBPFILTER > 0 1215 if (ifp->if_bpf) 1216 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1217 #endif 1218 1219 ifp->if_flags |= IFF_OACTIVE; 1220 1221 /* 1222 * Set a timeout in case the chip goes out to lunch. 1223 */ 1224 ifp->if_timer = 5; 1225 1226 return; 1227 } 1228 1229 void 1230 axe_init(void *xsc) 1231 { 1232 struct axe_softc *sc = xsc; 1233 struct ifnet *ifp = &sc->arpcom.ac_if; 1234 struct axe_chain *c; 1235 usbd_status err; 1236 int rxmode; 1237 int i, s; 1238 1239 s = splnet(); 1240 1241 /* 1242 * Cancel pending I/O and free all RX/TX buffers. 1243 */ 1244 axe_reset(sc); 1245 1246 /* Enable RX logic. */ 1247 1248 /* Init RX ring. */ 1249 if (axe_rx_list_init(sc) == ENOBUFS) { 1250 printf("axe%d: rx list init failed\n", sc->axe_unit); 1251 splx(s); 1252 return; 1253 } 1254 1255 /* Init TX ring. */ 1256 if (axe_tx_list_init(sc) == ENOBUFS) { 1257 printf("axe%d: tx list init failed\n", sc->axe_unit); 1258 splx(s); 1259 return; 1260 } 1261 1262 /* Set transmitter IPG values */ 1263 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1264 axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], 1265 (sc->axe_ipgs[1] << 8) | (sc->axe_ipgs[0]), NULL); 1266 else { 1267 axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1268 axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1269 axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1270 } 1271 1272 /* Enable receiver, set RX mode */ 1273 rxmode = AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1274 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1275 if (sc->axe_udev->speed == USB_SPEED_HIGH) { 1276 /* largest possible USB buffer size for AX88178 */ 1277 rxmode |= AXE_178_RXCMD_MFB; 1278 } 1279 } else 1280 rxmode |= AXE_172_RXCMD_UNICAST; 1281 1282 /* If we want promiscuous mode, set the allframes bit. */ 1283 if (ifp->if_flags & IFF_PROMISC) 1284 rxmode |= AXE_RXCMD_PROMISC; 1285 1286 if (ifp->if_flags & IFF_BROADCAST) 1287 rxmode |= AXE_RXCMD_BROADCAST; 1288 1289 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1290 1291 /* Load the multicast filter. */ 1292 axe_setmulti(sc); 1293 1294 /* Open RX and TX pipes. */ 1295 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1296 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1297 if (err) { 1298 printf("axe%d: open rx pipe failed: %s\n", 1299 sc->axe_unit, usbd_errstr(err)); 1300 splx(s); 1301 return; 1302 } 1303 1304 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1305 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1306 if (err) { 1307 printf("axe%d: open tx pipe failed: %s\n", 1308 sc->axe_unit, usbd_errstr(err)); 1309 splx(s); 1310 return; 1311 } 1312 1313 /* Start up the receive pipe. */ 1314 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1315 c = &sc->axe_cdata.axe_rx_chain[i]; 1316 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1317 c, c->axe_buf, sc->axe_bufsz, 1318 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1319 USBD_NO_TIMEOUT, axe_rxeof); 1320 usbd_transfer(c->axe_xfer); 1321 } 1322 1323 ifp->if_flags |= IFF_RUNNING; 1324 ifp->if_flags &= ~IFF_OACTIVE; 1325 1326 splx(s); 1327 1328 timeout_add_sec(&sc->axe_stat_ch, 1); 1329 return; 1330 } 1331 1332 int 1333 axe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1334 { 1335 struct axe_softc *sc = ifp->if_softc; 1336 struct ifreq *ifr = (struct ifreq *)data; 1337 struct ifaddr *ifa = (struct ifaddr *)data; 1338 struct mii_data *mii; 1339 uWord rxmode; 1340 int s, error = 0; 1341 1342 s = splnet(); 1343 1344 switch(cmd) { 1345 case SIOCSIFADDR: 1346 ifp->if_flags |= IFF_UP; 1347 if (!(ifp->if_flags & IFF_RUNNING)) 1348 axe_init(sc); 1349 #ifdef INET 1350 if (ifa->ifa_addr->sa_family == AF_INET) 1351 arp_ifinit(&sc->arpcom, ifa); 1352 #endif 1353 break; 1354 1355 case SIOCSIFFLAGS: 1356 if (ifp->if_flags & IFF_UP) { 1357 if (ifp->if_flags & IFF_RUNNING && 1358 ifp->if_flags & IFF_PROMISC && 1359 !(sc->axe_if_flags & IFF_PROMISC)) { 1360 1361 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, rxmode); 1362 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 1363 UGETW(rxmode) | AXE_RXCMD_PROMISC, NULL); 1364 1365 axe_setmulti(sc); 1366 } else if (ifp->if_flags & IFF_RUNNING && 1367 !(ifp->if_flags & IFF_PROMISC) && 1368 sc->axe_if_flags & IFF_PROMISC) { 1369 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, rxmode); 1370 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 1371 UGETW(rxmode) & ~AXE_RXCMD_PROMISC, NULL); 1372 axe_setmulti(sc); 1373 } else if (!(ifp->if_flags & IFF_RUNNING)) 1374 axe_init(sc); 1375 } else { 1376 if (ifp->if_flags & IFF_RUNNING) 1377 axe_stop(sc); 1378 } 1379 sc->axe_if_flags = ifp->if_flags; 1380 break; 1381 1382 case SIOCGIFMEDIA: 1383 case SIOCSIFMEDIA: 1384 mii = GET_MII(sc); 1385 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1386 break; 1387 1388 default: 1389 error = ether_ioctl(ifp, &sc->arpcom, cmd, data); 1390 } 1391 1392 if (error == ENETRESET) { 1393 if (ifp->if_flags & IFF_RUNNING) 1394 axe_setmulti(sc); 1395 error = 0; 1396 } 1397 1398 splx(s); 1399 return(error); 1400 } 1401 1402 void 1403 axe_watchdog(struct ifnet *ifp) 1404 { 1405 struct axe_softc *sc; 1406 struct axe_chain *c; 1407 usbd_status stat; 1408 int s; 1409 1410 sc = ifp->if_softc; 1411 1412 ifp->if_oerrors++; 1413 printf("axe%d: watchdog timeout\n", sc->axe_unit); 1414 1415 s = splusb(); 1416 c = &sc->axe_cdata.axe_tx_chain[0]; 1417 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1418 axe_txeof(c->axe_xfer, c, stat); 1419 1420 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1421 axe_start(ifp); 1422 splx(s); 1423 } 1424 1425 /* 1426 * Stop the adapter and free any mbufs allocated to the 1427 * RX and TX lists. 1428 */ 1429 void 1430 axe_stop(struct axe_softc *sc) 1431 { 1432 usbd_status err; 1433 struct ifnet *ifp; 1434 int i; 1435 1436 axe_reset(sc); 1437 1438 ifp = &sc->arpcom.ac_if; 1439 ifp->if_timer = 0; 1440 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1441 1442 timeout_del(&sc->axe_stat_ch); 1443 1444 /* Stop transfers. */ 1445 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1446 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1447 if (err) { 1448 printf("axe%d: abort rx pipe failed: %s\n", 1449 sc->axe_unit, usbd_errstr(err)); 1450 } 1451 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1452 if (err) { 1453 printf("axe%d: close rx pipe failed: %s\n", 1454 sc->axe_unit, usbd_errstr(err)); 1455 } 1456 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1457 } 1458 1459 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1460 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1461 if (err) { 1462 printf("axe%d: abort tx pipe failed: %s\n", 1463 sc->axe_unit, usbd_errstr(err)); 1464 } 1465 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1466 if (err) { 1467 printf("axe%d: close tx pipe failed: %s\n", 1468 sc->axe_unit, usbd_errstr(err)); 1469 } 1470 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1471 } 1472 1473 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1474 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1475 if (err) { 1476 printf("axe%d: abort intr pipe failed: %s\n", 1477 sc->axe_unit, usbd_errstr(err)); 1478 } 1479 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1480 if (err) { 1481 printf("axe%d: close intr pipe failed: %s\n", 1482 sc->axe_unit, usbd_errstr(err)); 1483 } 1484 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1485 } 1486 1487 /* Free RX resources. */ 1488 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1489 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1490 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1491 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1492 } 1493 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1494 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1495 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1496 } 1497 } 1498 1499 /* Free TX resources. */ 1500 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1501 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1502 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1503 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1504 } 1505 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1506 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1507 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1508 } 1509 } 1510 1511 sc->axe_link = 0; 1512 } 1513 1514