1 /* $OpenBSD: if_axe.c,v 1.109 2012/04/01 13:25:13 jsg 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 autoload from the EEPROM (i.e. there's no way to manually 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_AX88772A}, AX772 }, 153 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772B}, AX772 | AX772B }, 154 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, 155 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, 156 { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, 157 { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, 158 { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, 159 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 160 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 161 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, 162 { { USB_VENDOR_GOODWAY, USB_PRODUCT_GOODWAY_GWUSB2E}, 0 }, 163 { { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_ETGUS2 }, AX178 }, 164 { { USB_VENDOR_JVC, USB_PRODUCT_JVC_MP_PRX1}, 0 }, 165 { { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_USB200M}, 0 }, 166 { { USB_VENDOR_LINKSYS4, USB_PRODUCT_LINKSYS4_USB1000 }, AX178 }, 167 { { USB_VENDOR_LOGITEC, USB_PRODUCT_LOGITEC_LAN_GTJU2}, AX178 }, 168 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2GT}, AX178 }, 169 { { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAU2KTX}, 0 }, 170 { { USB_VENDOR_MSI, USB_PRODUCT_MSI_AX88772A}, AX772 }, 171 { { USB_VENDOR_NETGEAR, USB_PRODUCT_NETGEAR_FA120}, 0 }, 172 { { USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01PLUS }, AX772 }, 173 { { USB_VENDOR_PLANEX3, USB_PRODUCT_PLANEX3_GU1000T }, AX178 }, 174 { { USB_VENDOR_SYSTEMTALKS, USB_PRODUCT_SYSTEMTALKS_SGCX2UL}, 0 }, 175 { { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_LN029}, 0 }, 176 { { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN028 }, AX178 } 177 }; 178 179 #define axe_lookup(v, p) ((struct axe_type *)usb_lookup(axe_devs, v, p)) 180 181 int axe_match(struct device *, void *, void *); 182 void axe_attach(struct device *, struct device *, void *); 183 int axe_detach(struct device *, int); 184 int axe_activate(struct device *, int); 185 186 struct cfdriver axe_cd = { 187 NULL, "axe", DV_IFNET 188 }; 189 190 const struct cfattach axe_ca = { 191 sizeof(struct axe_softc), 192 axe_match, 193 axe_attach, 194 axe_detach, 195 axe_activate, 196 }; 197 198 int axe_tx_list_init(struct axe_softc *); 199 int axe_rx_list_init(struct axe_softc *); 200 struct mbuf *axe_newbuf(void); 201 int axe_encap(struct axe_softc *, struct mbuf *, int); 202 void axe_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 203 void axe_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 204 void axe_tick(void *); 205 void axe_tick_task(void *); 206 void axe_start(struct ifnet *); 207 int axe_ioctl(struct ifnet *, u_long, caddr_t); 208 void axe_init(void *); 209 void axe_stop(struct axe_softc *); 210 void axe_watchdog(struct ifnet *); 211 int axe_miibus_readreg(struct device *, int, int); 212 void axe_miibus_writereg(struct device *, int, int, int); 213 void axe_miibus_statchg(struct device *); 214 int axe_cmd(struct axe_softc *, int, int, int, void *); 215 int axe_ifmedia_upd(struct ifnet *); 216 void axe_ifmedia_sts(struct ifnet *, struct ifmediareq *); 217 void axe_reset(struct axe_softc *sc); 218 219 void axe_setmulti(struct axe_softc *); 220 void axe_lock_mii(struct axe_softc *sc); 221 void axe_unlock_mii(struct axe_softc *sc); 222 223 void axe_ax88178_init(struct axe_softc *); 224 void axe_ax88772_init(struct axe_softc *); 225 226 /* Get exclusive access to the MII registers */ 227 void 228 axe_lock_mii(struct axe_softc *sc) 229 { 230 sc->axe_refcnt++; 231 rw_enter_write(&sc->axe_mii_lock); 232 } 233 234 void 235 axe_unlock_mii(struct axe_softc *sc) 236 { 237 rw_exit_write(&sc->axe_mii_lock); 238 if (--sc->axe_refcnt < 0) 239 usb_detach_wakeup(&sc->axe_dev); 240 } 241 242 int 243 axe_cmd(struct axe_softc *sc, int cmd, int index, int val, void *buf) 244 { 245 usb_device_request_t req; 246 usbd_status err; 247 248 if (usbd_is_dying(sc->axe_udev)) 249 return(0); 250 251 if (AXE_CMD_DIR(cmd)) 252 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 253 else 254 req.bmRequestType = UT_READ_VENDOR_DEVICE; 255 req.bRequest = AXE_CMD_CMD(cmd); 256 USETW(req.wValue, val); 257 USETW(req.wIndex, index); 258 USETW(req.wLength, AXE_CMD_LEN(cmd)); 259 260 err = usbd_do_request(sc->axe_udev, &req, buf); 261 262 if (err) { 263 DPRINTF(("axe_cmd err: cmd: %d\n", cmd)); 264 return(-1); 265 } 266 267 return(0); 268 } 269 270 int 271 axe_miibus_readreg(struct device *dev, int phy, int reg) 272 { 273 struct axe_softc *sc = (void *)dev; 274 usbd_status err; 275 uWord val; 276 int ival; 277 278 if (usbd_is_dying(sc->axe_udev)) { 279 DPRINTF(("axe: dying\n")); 280 return(0); 281 } 282 283 #ifdef notdef 284 /* 285 * The chip tells us the MII address of any supported 286 * PHYs attached to the chip, so only read from those. 287 */ 288 289 DPRINTF(("axe_miibus_readreg: phy 0x%x reg 0x%x\n", phy, reg)); 290 291 if (sc->axe_phyaddrs[0] != AXE_NOPHY && phy != sc->axe_phyaddrs[0]) 292 return (0); 293 294 if (sc->axe_phyaddrs[1] != AXE_NOPHY && phy != sc->axe_phyaddrs[1]) 295 return (0); 296 #endif 297 if (sc->axe_phyno != phy) 298 return (0); 299 300 USETW(val, 0); 301 302 axe_lock_mii(sc); 303 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 304 err = axe_cmd(sc, AXE_CMD_MII_READ_REG, reg, phy, val); 305 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 306 axe_unlock_mii(sc); 307 308 if (err) { 309 printf("axe%d: read PHY failed\n", sc->axe_unit); 310 return(-1); 311 } 312 DPRINTF(("axe_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n", 313 phy, reg, UGETW(val))); 314 315 ival = UGETW(val); 316 if ((sc->axe_flags & AX772) != 0 && reg == MII_BMSR) { 317 /* 318 * BMSR of AX88772 indicates that it supports extended 319 * capability but the extended status register is 320 * revered for embedded ethernet PHY. So clear the 321 * extended capability bit of BMSR. 322 */ 323 ival &= ~BMSR_EXTCAP; 324 } 325 326 return (ival); 327 } 328 329 void 330 axe_miibus_writereg(struct device *dev, int phy, int reg, int val) 331 { 332 struct axe_softc *sc = (void *)dev; 333 usbd_status err; 334 uWord uval; 335 336 if (usbd_is_dying(sc->axe_udev)) 337 return; 338 if (sc->axe_phyno != phy) 339 return; 340 341 USETW(uval, val); 342 343 axe_lock_mii(sc); 344 axe_cmd(sc, AXE_CMD_MII_OPMODE_SW, 0, 0, NULL); 345 err = axe_cmd(sc, AXE_CMD_MII_WRITE_REG, reg, phy, uval); 346 axe_cmd(sc, AXE_CMD_MII_OPMODE_HW, 0, 0, NULL); 347 axe_unlock_mii(sc); 348 349 if (err) { 350 printf("axe%d: write PHY failed\n", sc->axe_unit); 351 return; 352 } 353 } 354 355 void 356 axe_miibus_statchg(struct device *dev) 357 { 358 struct axe_softc *sc = (void *)dev; 359 struct mii_data *mii = GET_MII(sc); 360 struct ifnet *ifp; 361 int val, err; 362 363 if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) 364 val = AXE_MEDIA_FULL_DUPLEX; 365 else 366 val = 0; 367 368 ifp = GET_IFP(sc); 369 if (mii == NULL || ifp == NULL || 370 (ifp->if_flags & IFF_RUNNING) == 0) 371 return; 372 373 sc->axe_link = 0; 374 if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) == 375 (IFM_ACTIVE | IFM_AVALID)) { 376 switch (IFM_SUBTYPE(mii->mii_media_active)) { 377 case IFM_10_T: 378 case IFM_100_TX: 379 sc->axe_link++; 380 break; 381 case IFM_1000_T: 382 if ((sc->axe_flags & AX178) == 0) 383 break; 384 sc->axe_link++; 385 break; 386 default: 387 break; 388 } 389 } 390 391 /* Lost link, do nothing. */ 392 if (sc->axe_link == 0) 393 return; 394 395 val = 0; 396 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) 397 val |= AXE_MEDIA_FULL_DUPLEX; 398 399 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 400 val |= (AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC); 401 if (sc->axe_flags & AX178) 402 val |= AXE_178_MEDIA_ENCK; 403 404 switch (IFM_SUBTYPE(mii->mii_media_active)) { 405 case IFM_1000_T: 406 val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; 407 break; 408 case IFM_100_TX: 409 val |= AXE_178_MEDIA_100TX; 410 break; 411 case IFM_10_T: 412 /* doesn't need to be handled */ 413 break; 414 } 415 } 416 417 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 418 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 419 if (err) { 420 printf("%s: media change failed\n", sc->axe_dev.dv_xname); 421 return; 422 } 423 } 424 425 /* 426 * Set media options. 427 */ 428 int 429 axe_ifmedia_upd(struct ifnet *ifp) 430 { 431 struct axe_softc *sc = ifp->if_softc; 432 struct mii_data *mii = GET_MII(sc); 433 434 if (mii->mii_instance) { 435 struct mii_softc *miisc; 436 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 437 mii_phy_reset(miisc); 438 } 439 mii_mediachg(mii); 440 441 return (0); 442 } 443 444 /* 445 * Report current media status. 446 */ 447 void 448 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 449 { 450 struct axe_softc *sc = ifp->if_softc; 451 struct mii_data *mii = GET_MII(sc); 452 453 mii_pollstat(mii); 454 ifmr->ifm_active = mii->mii_media_active; 455 ifmr->ifm_status = mii->mii_media_status; 456 } 457 458 void 459 axe_setmulti(struct axe_softc *sc) 460 { 461 struct ifnet *ifp; 462 struct ether_multi *enm; 463 struct ether_multistep step; 464 u_int32_t h = 0; 465 uWord urxmode; 466 u_int16_t rxmode; 467 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 468 469 if (usbd_is_dying(sc->axe_udev)) 470 return; 471 472 ifp = GET_IFP(sc); 473 474 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, urxmode); 475 rxmode = UGETW(urxmode); 476 477 if (ifp->if_flags & IFF_ALLMULTI || ifp->if_flags & IFF_PROMISC) { 478 allmulti: 479 rxmode |= AXE_RXCMD_ALLMULTI; 480 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 481 return; 482 } else 483 rxmode &= ~AXE_RXCMD_ALLMULTI; 484 485 /* now program new ones */ 486 ETHER_FIRST_MULTI(step, &sc->arpcom, enm); 487 while (enm != NULL) { 488 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, 489 ETHER_ADDR_LEN) != 0) 490 goto allmulti; 491 492 h = ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26; 493 hashtbl[h / 8] |= 1 << (h % 8); 494 ETHER_NEXT_MULTI(step, enm); 495 } 496 497 ifp->if_flags &= ~IFF_ALLMULTI; 498 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 499 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 500 return; 501 } 502 503 void 504 axe_reset(struct axe_softc *sc) 505 { 506 if (usbd_is_dying(sc->axe_udev)) 507 return; 508 /* XXX What to reset? */ 509 510 /* Wait a little while for the chip to get its brains in order. */ 511 DELAY(1000); 512 return; 513 } 514 515 void 516 axe_ax88178_init(struct axe_softc *sc) 517 { 518 int gpio0 = 0, phymode = 0; 519 u_int16_t eeprom; 520 521 axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); 522 /* XXX magic */ 523 axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); 524 axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); 525 526 eeprom = letoh16(eeprom); 527 528 DPRINTF((" EEPROM is 0x%x\n", eeprom)); 529 530 /* if EEPROM is invalid we have to use to GPIO0 */ 531 if (eeprom == 0xffff) { 532 phymode = 0; 533 gpio0 = 1; 534 } else { 535 phymode = eeprom & 7; 536 gpio0 = (eeprom & 0x80) ? 0 : 1; 537 } 538 539 DPRINTF(("use gpio0: %d, phymode %d\n", gpio0, phymode)); 540 541 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x008c, NULL); 542 usbd_delay_ms(sc->axe_udev, 40); 543 if ((eeprom >> 8) != 1) { 544 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 545 usbd_delay_ms(sc->axe_udev, 30); 546 547 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x001c, NULL); 548 usbd_delay_ms(sc->axe_udev, 300); 549 550 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x003c, NULL); 551 usbd_delay_ms(sc->axe_udev, 30); 552 } else { 553 DPRINTF(("axe gpio phymode == 1 path\n")); 554 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x0004, NULL); 555 usbd_delay_ms(sc->axe_udev, 30); 556 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x000c, NULL); 557 usbd_delay_ms(sc->axe_udev, 30); 558 } 559 560 /* soft reset */ 561 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 562 usbd_delay_ms(sc->axe_udev, 150); 563 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 564 AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); 565 usbd_delay_ms(sc->axe_udev, 150); 566 /* Enable MII/GMII/RGMII for external PHY */ 567 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0, NULL); 568 usbd_delay_ms(sc->axe_udev, 10); 569 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 570 } 571 572 void 573 axe_ax88772_init(struct axe_softc *sc) 574 { 575 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x00b0, NULL); 576 usbd_delay_ms(sc->axe_udev, 40); 577 578 if (sc->axe_phyno == AXE_PHY_NO_AX772_EPHY) { 579 /* ask for the embedded PHY */ 580 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); 581 usbd_delay_ms(sc->axe_udev, 10); 582 583 /* power down and reset state, pin reset state */ 584 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 585 usbd_delay_ms(sc->axe_udev, 60); 586 587 /* power down/reset state, pin operating state */ 588 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 589 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 590 usbd_delay_ms(sc->axe_udev, 150); 591 592 /* power up, reset */ 593 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL, NULL); 594 595 /* power up, operating */ 596 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 597 AXE_SW_RESET_IPRL | AXE_SW_RESET_PRL, NULL); 598 } else { 599 /* ask for external PHY */ 600 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x00, NULL); 601 usbd_delay_ms(sc->axe_udev, 10); 602 603 /* power down internal PHY */ 604 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 605 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 606 } 607 608 usbd_delay_ms(sc->axe_udev, 150); 609 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 610 } 611 612 static int 613 axe_get_phyno(struct axe_softc *sc, int sel) 614 { 615 int phyno = -1; 616 617 switch (AXE_PHY_TYPE(sc->axe_phyaddrs[sel])) { 618 case PHY_TYPE_100_HOME: 619 case PHY_TYPE_GIG: 620 phyno = AXE_PHY_NO(sc->axe_phyaddrs[sel]); 621 break; 622 case PHY_TYPE_SPECIAL: 623 /* FALLTHROUGH */ 624 case PHY_TYPE_RSVD: 625 /* FALLTHROUGH */ 626 case PHY_TYPE_NON_SUP: 627 /* FALLTHROUGH */ 628 default: 629 break; 630 } 631 632 return (phyno); 633 } 634 635 /* 636 * Probe for a AX88172 chip. 637 */ 638 int 639 axe_match(struct device *parent, void *match, void *aux) 640 { 641 struct usb_attach_arg *uaa = aux; 642 643 if (!uaa->iface) 644 return(UMATCH_NONE); 645 646 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 647 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 648 } 649 650 /* 651 * Attach the interface. Allocate softc structures, do ifmedia 652 * setup and ethernet/BPF attach. 653 */ 654 void 655 axe_attach(struct device *parent, struct device *self, void *aux) 656 { 657 struct axe_softc *sc = (struct axe_softc *)self; 658 struct usb_attach_arg *uaa = aux; 659 usbd_device_handle dev = uaa->device; 660 usbd_status err; 661 usb_interface_descriptor_t *id; 662 usb_endpoint_descriptor_t *ed; 663 struct mii_data *mii; 664 u_char eaddr[ETHER_ADDR_LEN]; 665 char *devname = sc->axe_dev.dv_xname; 666 struct ifnet *ifp; 667 int i, s; 668 669 sc->axe_unit = self->dv_unit; /*device_get_unit(self);*/ 670 sc->axe_udev = dev; 671 672 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 673 if (err) { 674 printf("%s: getting interface handle failed\n", 675 sc->axe_dev.dv_xname); 676 return; 677 } 678 679 sc->axe_flags = axe_lookup(uaa->vendor, uaa->product)->axe_flags; 680 681 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc, 682 USB_TASK_TYPE_GENERIC); 683 rw_init(&sc->axe_mii_lock, "axemii"); 684 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc, 685 USB_TASK_TYPE_GENERIC); 686 687 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 688 if (err) { 689 printf("%s: getting interface handle failed\n", 690 sc->axe_dev.dv_xname); 691 return; 692 } 693 694 sc->axe_product = uaa->product; 695 sc->axe_vendor = uaa->vendor; 696 697 id = usbd_get_interface_descriptor(sc->axe_iface); 698 699 /* decide on what our bufsize will be */ 700 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 701 sc->axe_bufsz = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 702 AXE_178_MAX_BUFSZ : AXE_178_MIN_BUFSZ; 703 else 704 sc->axe_bufsz = AXE_172_BUFSZ; 705 706 /* Find endpoints. */ 707 for (i = 0; i < id->bNumEndpoints; i++) { 708 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 709 if (!ed) { 710 printf("%s: couldn't get ep %d\n", 711 sc->axe_dev.dv_xname, i); 712 return; 713 } 714 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 715 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 716 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 717 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 718 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 719 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 720 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 721 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 722 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 723 } 724 } 725 726 s = splnet(); 727 728 /* We need the PHYID for init dance in some cases */ 729 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 730 731 DPRINTF((" phyaddrs[0]: %x phyaddrs[1]: %x\n", 732 sc->axe_phyaddrs[0], sc->axe_phyaddrs[1])); 733 734 sc->axe_phyno = axe_get_phyno(sc, AXE_PHY_SEL_PRI); 735 if (sc->axe_phyno == -1) 736 sc->axe_phyno = axe_get_phyno(sc, AXE_PHY_SEL_SEC); 737 if (sc->axe_phyno == -1) { 738 printf("%s:", sc->axe_dev.dv_xname); 739 printf(" no valid PHY address found, assuming PHY address 0\n"); 740 sc->axe_phyno = 0; 741 } 742 743 DPRINTF((" get_phyno %d\n", sc->axe_phyno)); 744 745 if (sc->axe_flags & AX178) 746 axe_ax88178_init(sc); 747 else if (sc->axe_flags & AX772) 748 axe_ax88772_init(sc); 749 750 /* 751 * Get station address. 752 */ 753 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 754 axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); 755 else 756 axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); 757 758 /* 759 * Load IPG values 760 */ 761 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 762 763 /* 764 * An ASIX chip was detected. Inform the world. 765 */ 766 printf("%s:", sc->axe_dev.dv_xname); 767 if (sc->axe_flags & AX178) 768 printf(" AX88178"); 769 else if (sc->axe_flags & AX772B) 770 printf(" AX88772B"); 771 else if (sc->axe_flags & AX772) 772 printf(" AX88772"); 773 else 774 printf(" AX88172"); 775 printf(", address %s\n", ether_sprintf(eaddr)); 776 777 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 778 779 /* Initialize interface info.*/ 780 ifp = &sc->arpcom.ac_if; 781 ifp->if_softc = sc; 782 strlcpy(ifp->if_xname, devname, IFNAMSIZ); 783 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 784 ifp->if_ioctl = axe_ioctl; 785 ifp->if_start = axe_start; 786 787 ifp->if_watchdog = axe_watchdog; 788 789 /* ifp->if_baudrate = 10000000; */ 790 /* ifp->if_snd.ifq_maxlen = IFQ_MAXLEN;*/ 791 792 IFQ_SET_READY(&ifp->if_snd); 793 794 ifp->if_capabilities = IFCAP_VLAN_MTU; 795 796 /* Initialize MII/media info. */ 797 mii = &sc->axe_mii; 798 mii->mii_ifp = ifp; 799 mii->mii_readreg = axe_miibus_readreg; 800 mii->mii_writereg = axe_miibus_writereg; 801 mii->mii_statchg = axe_miibus_statchg; 802 mii->mii_flags = MIIF_AUTOTSLEEP; 803 804 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, axe_ifmedia_sts); 805 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 806 807 if (LIST_FIRST(&mii->mii_phys) == NULL) { 808 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 809 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 810 } else 811 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 812 813 /* Attach the interface. */ 814 if_attach(ifp); 815 ether_ifattach(ifp); 816 817 timeout_set(&sc->axe_stat_ch, axe_tick, sc); 818 819 splx(s); 820 } 821 822 int 823 axe_detach(struct device *self, int flags) 824 { 825 struct axe_softc *sc = (struct axe_softc *)self; 826 int s; 827 struct ifnet *ifp = GET_IFP(sc); 828 829 DPRINTFN(2,("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 830 831 if (timeout_initialized(&sc->axe_stat_ch)) 832 timeout_del(&sc->axe_stat_ch); 833 834 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 835 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 836 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 837 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 838 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 839 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 840 841 /* 842 * Remove any pending tasks. They cannot be executing because they run 843 * in the same thread as detach. 844 */ 845 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 846 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 847 848 s = splusb(); 849 850 if (--sc->axe_refcnt >= 0) { 851 /* Wait for processes to go away */ 852 usb_detach_wait(&sc->axe_dev); 853 } 854 855 if (ifp->if_flags & IFF_RUNNING) 856 axe_stop(sc); 857 858 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 859 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 860 if (ifp->if_softc != NULL) { 861 ether_ifdetach(ifp); 862 if_detach(ifp); 863 } 864 865 #ifdef DIAGNOSTIC 866 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 867 sc->axe_ep[AXE_ENDPT_RX] != NULL || 868 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 869 printf("%s: detach has active endpoints\n", 870 sc->axe_dev.dv_xname); 871 #endif 872 873 if (--sc->axe_refcnt >= 0) { 874 /* Wait for processes to go away. */ 875 usb_detach_wait(&sc->axe_dev); 876 } 877 splx(s); 878 879 return (0); 880 } 881 882 int 883 axe_activate(struct device *self, int act) 884 { 885 struct axe_softc *sc = (struct axe_softc *)self; 886 887 DPRINTFN(2,("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 888 889 switch (act) { 890 case DVACT_DEACTIVATE: 891 usbd_deactivate(sc->axe_udev); 892 break; 893 } 894 return (0); 895 } 896 897 struct mbuf * 898 axe_newbuf(void) 899 { 900 struct mbuf *m; 901 902 MGETHDR(m, M_DONTWAIT, MT_DATA); 903 if (m == NULL) 904 return (NULL); 905 906 MCLGET(m, M_DONTWAIT); 907 if (!(m->m_flags & M_EXT)) { 908 m_freem(m); 909 return (NULL); 910 } 911 912 m->m_len = m->m_pkthdr.len = MCLBYTES; 913 m_adj(m, ETHER_ALIGN); 914 915 return (m); 916 } 917 918 int 919 axe_rx_list_init(struct axe_softc *sc) 920 { 921 struct axe_cdata *cd; 922 struct axe_chain *c; 923 int i; 924 925 DPRINTF(("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 926 927 cd = &sc->axe_cdata; 928 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 929 c = &cd->axe_rx_chain[i]; 930 c->axe_sc = sc; 931 c->axe_idx = i; 932 c->axe_mbuf = NULL; 933 if (c->axe_xfer == NULL) { 934 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 935 if (c->axe_xfer == NULL) 936 return (ENOBUFS); 937 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 938 sc->axe_bufsz); 939 if (c->axe_buf == NULL) { 940 usbd_free_xfer(c->axe_xfer); 941 return (ENOBUFS); 942 } 943 } 944 } 945 946 return (0); 947 } 948 949 int 950 axe_tx_list_init(struct axe_softc *sc) 951 { 952 struct axe_cdata *cd; 953 struct axe_chain *c; 954 int i; 955 956 DPRINTF(("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 957 958 cd = &sc->axe_cdata; 959 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 960 c = &cd->axe_tx_chain[i]; 961 c->axe_sc = sc; 962 c->axe_idx = i; 963 c->axe_mbuf = NULL; 964 if (c->axe_xfer == NULL) { 965 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 966 if (c->axe_xfer == NULL) 967 return (ENOBUFS); 968 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 969 sc->axe_bufsz); 970 if (c->axe_buf == NULL) { 971 usbd_free_xfer(c->axe_xfer); 972 return (ENOBUFS); 973 } 974 } 975 } 976 977 return (0); 978 } 979 980 /* 981 * A frame has been uploaded: pass the resulting mbuf chain up to 982 * the higher level protocols. 983 */ 984 void 985 axe_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 986 { 987 struct axe_chain *c = (struct axe_chain *)priv; 988 struct axe_softc *sc = c->axe_sc; 989 struct ifnet *ifp = GET_IFP(sc); 990 u_char *buf = c->axe_buf; 991 u_int32_t total_len; 992 u_int16_t pktlen = 0; 993 struct mbuf *m; 994 struct axe_sframe_hdr hdr; 995 int s; 996 997 DPRINTFN(10,("%s: %s: enter\n", sc->axe_dev.dv_xname,__func__)); 998 999 if (usbd_is_dying(sc->axe_udev)) 1000 return; 1001 1002 if (!(ifp->if_flags & IFF_RUNNING)) 1003 return; 1004 1005 if (status != USBD_NORMAL_COMPLETION) { 1006 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1007 return; 1008 if (usbd_ratecheck(&sc->axe_rx_notice)) { 1009 printf("%s: usb errors on rx: %s\n", 1010 sc->axe_dev.dv_xname, usbd_errstr(status)); 1011 } 1012 if (status == USBD_STALLED) 1013 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 1014 goto done; 1015 } 1016 1017 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1018 1019 do { 1020 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1021 if (total_len < sizeof(hdr)) { 1022 ifp->if_ierrors++; 1023 goto done; 1024 } 1025 1026 buf += pktlen; 1027 1028 memcpy(&hdr, buf, sizeof(hdr)); 1029 total_len -= sizeof(hdr); 1030 1031 if (((letoh16(hdr.len) & AXE_RH1M_RXLEN_MASK) ^ 1032 (letoh16(hdr.ilen) & AXE_RH1M_RXLEN_MASK)) != 1033 AXE_RH1M_RXLEN_MASK) { 1034 ifp->if_ierrors++; 1035 goto done; 1036 } 1037 pktlen = letoh16(hdr.len) & AXE_RH1M_RXLEN_MASK; 1038 if (pktlen > total_len) { 1039 ifp->if_ierrors++; 1040 goto done; 1041 } 1042 1043 buf += sizeof(hdr); 1044 1045 if ((pktlen % 2) != 0) 1046 pktlen++; 1047 1048 if ((total_len - pktlen) < 0) 1049 total_len = 0; 1050 else 1051 total_len -= pktlen; 1052 } else { 1053 pktlen = total_len; /* crc on the end? */ 1054 total_len = 0; 1055 } 1056 1057 m = axe_newbuf(); 1058 if (m == NULL) { 1059 ifp->if_ierrors++; 1060 goto done; 1061 } 1062 1063 ifp->if_ipackets++; 1064 m->m_pkthdr.rcvif = ifp; 1065 m->m_pkthdr.len = m->m_len = pktlen; 1066 1067 memcpy(mtod(m, char *), buf, pktlen); 1068 1069 /* push the packet up */ 1070 s = splnet(); 1071 #if NBPFILTER > 0 1072 if (ifp->if_bpf) 1073 bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_IN); 1074 #endif 1075 1076 ether_input_mbuf(ifp, m); 1077 1078 splx(s); 1079 1080 } while (total_len > 0); 1081 1082 done: 1083 memset(c->axe_buf, 0, sc->axe_bufsz); 1084 1085 /* Setup new transfer. */ 1086 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 1087 c, c->axe_buf, sc->axe_bufsz, 1088 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1089 USBD_NO_TIMEOUT, axe_rxeof); 1090 usbd_transfer(xfer); 1091 1092 DPRINTFN(10,("%s: %s: start rx\n", sc->axe_dev.dv_xname, __func__)); 1093 1094 return; 1095 } 1096 1097 /* 1098 * A frame was downloaded to the chip. It's safe for us to clean up 1099 * the list buffers. 1100 */ 1101 1102 void 1103 axe_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1104 { 1105 struct axe_softc *sc; 1106 struct axe_chain *c; 1107 struct ifnet *ifp; 1108 int s; 1109 1110 c = priv; 1111 sc = c->axe_sc; 1112 ifp = &sc->arpcom.ac_if; 1113 1114 if (usbd_is_dying(sc->axe_udev)) 1115 return; 1116 1117 s = splnet(); 1118 1119 if (status != USBD_NORMAL_COMPLETION) { 1120 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1121 splx(s); 1122 return; 1123 } 1124 ifp->if_oerrors++; 1125 printf("axe%d: usb error on tx: %s\n", sc->axe_unit, 1126 usbd_errstr(status)); 1127 if (status == USBD_STALLED) 1128 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 1129 splx(s); 1130 return; 1131 } 1132 1133 ifp->if_timer = 0; 1134 ifp->if_flags &= ~IFF_OACTIVE; 1135 1136 m_freem(c->axe_mbuf); 1137 c->axe_mbuf = NULL; 1138 1139 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1140 axe_start(ifp); 1141 1142 ifp->if_opackets++; 1143 splx(s); 1144 return; 1145 } 1146 1147 void 1148 axe_tick(void *xsc) 1149 { 1150 struct axe_softc *sc = xsc; 1151 1152 if (sc == NULL) 1153 return; 1154 1155 DPRINTFN(0xff, ("%s: %s: enter\n", sc->axe_dev.dv_xname, 1156 __func__)); 1157 1158 if (usbd_is_dying(sc->axe_udev)) 1159 return; 1160 1161 /* Perform periodic stuff in process context */ 1162 usb_add_task(sc->axe_udev, &sc->axe_tick_task); 1163 1164 } 1165 1166 void 1167 axe_tick_task(void *xsc) 1168 { 1169 int s; 1170 struct axe_softc *sc; 1171 struct ifnet *ifp; 1172 struct mii_data *mii; 1173 1174 sc = xsc; 1175 1176 if (sc == NULL) 1177 return; 1178 1179 if (usbd_is_dying(sc->axe_udev)) 1180 return; 1181 1182 ifp = GET_IFP(sc); 1183 mii = GET_MII(sc); 1184 if (mii == NULL) 1185 return; 1186 1187 s = splnet(); 1188 1189 mii_tick(mii); 1190 if (sc->axe_link == 0) 1191 axe_miibus_statchg(&sc->axe_dev); 1192 timeout_add_sec(&sc->axe_stat_ch, 1); 1193 1194 splx(s); 1195 } 1196 1197 int 1198 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1199 { 1200 struct axe_chain *c; 1201 usbd_status err; 1202 struct axe_sframe_hdr hdr; 1203 int length, boundary; 1204 1205 c = &sc->axe_cdata.axe_tx_chain[idx]; 1206 1207 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1208 boundary = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 512 : 64; 1209 1210 hdr.len = htole16(m->m_pkthdr.len); 1211 hdr.ilen = ~hdr.len; 1212 1213 memcpy(c->axe_buf, &hdr, sizeof(hdr)); 1214 length = sizeof(hdr); 1215 1216 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); 1217 length += m->m_pkthdr.len; 1218 1219 if ((length % boundary) == 0) { 1220 hdr.len = 0x0000; 1221 hdr.ilen = 0xffff; 1222 memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); 1223 length += sizeof(hdr); 1224 } 1225 1226 } else { 1227 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1228 length = m->m_pkthdr.len; 1229 } 1230 1231 c->axe_mbuf = m; 1232 1233 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1234 c, c->axe_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1235 10000, axe_txeof); 1236 1237 /* Transmit */ 1238 err = usbd_transfer(c->axe_xfer); 1239 if (err != USBD_IN_PROGRESS) { 1240 axe_stop(sc); 1241 return(EIO); 1242 } 1243 1244 sc->axe_cdata.axe_tx_cnt++; 1245 1246 return(0); 1247 } 1248 1249 void 1250 axe_start(struct ifnet *ifp) 1251 { 1252 struct axe_softc *sc; 1253 struct mbuf *m_head = NULL; 1254 1255 sc = ifp->if_softc; 1256 1257 if (!sc->axe_link) 1258 return; 1259 1260 if (ifp->if_flags & IFF_OACTIVE) 1261 return; 1262 1263 IFQ_POLL(&ifp->if_snd, m_head); 1264 if (m_head == NULL) 1265 return; 1266 1267 if (axe_encap(sc, m_head, 0)) { 1268 ifp->if_flags |= IFF_OACTIVE; 1269 return; 1270 } 1271 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1272 1273 /* 1274 * If there's a BPF listener, bounce a copy of this frame 1275 * to him. 1276 */ 1277 #if NBPFILTER > 0 1278 if (ifp->if_bpf) 1279 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1280 #endif 1281 1282 ifp->if_flags |= IFF_OACTIVE; 1283 1284 /* 1285 * Set a timeout in case the chip goes out to lunch. 1286 */ 1287 ifp->if_timer = 5; 1288 1289 return; 1290 } 1291 1292 void 1293 axe_init(void *xsc) 1294 { 1295 struct axe_softc *sc = xsc; 1296 struct ifnet *ifp = &sc->arpcom.ac_if; 1297 struct axe_chain *c; 1298 usbd_status err; 1299 int rxmode; 1300 int i, s; 1301 1302 s = splnet(); 1303 1304 /* 1305 * Cancel pending I/O and free all RX/TX buffers. 1306 */ 1307 axe_reset(sc); 1308 1309 /* set MAC address */ 1310 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1311 axe_cmd(sc, AXE_178_CMD_WRITE_NODEID, 0, 0, 1312 &sc->arpcom.ac_enaddr); 1313 1314 /* Enable RX logic. */ 1315 1316 /* Init RX ring. */ 1317 if (axe_rx_list_init(sc) == ENOBUFS) { 1318 printf("axe%d: rx list init failed\n", sc->axe_unit); 1319 splx(s); 1320 return; 1321 } 1322 1323 /* Init TX ring. */ 1324 if (axe_tx_list_init(sc) == ENOBUFS) { 1325 printf("axe%d: tx list init failed\n", sc->axe_unit); 1326 splx(s); 1327 return; 1328 } 1329 1330 /* Set transmitter IPG values */ 1331 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1332 axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], 1333 (sc->axe_ipgs[1] << 8) | (sc->axe_ipgs[0]), NULL); 1334 else { 1335 axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1336 axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1337 axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1338 } 1339 1340 /* Enable receiver, set RX mode */ 1341 rxmode = AXE_RXCMD_MULTICAST|AXE_RXCMD_ENABLE; 1342 if (sc->axe_flags & AX772B) 1343 rxmode |= AXE_772B_RXCMD_RH1M; 1344 else if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1345 if (sc->axe_udev->speed == USB_SPEED_HIGH) { 1346 /* largest possible USB buffer size for AX88178 */ 1347 rxmode |= AXE_178_RXCMD_MFB; 1348 } 1349 } else 1350 rxmode |= AXE_172_RXCMD_UNICAST; 1351 1352 /* If we want promiscuous mode, set the allframes bit. */ 1353 if (ifp->if_flags & IFF_PROMISC) 1354 rxmode |= AXE_RXCMD_PROMISC; 1355 1356 if (ifp->if_flags & IFF_BROADCAST) 1357 rxmode |= AXE_RXCMD_BROADCAST; 1358 1359 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1360 1361 /* Load the multicast filter. */ 1362 axe_setmulti(sc); 1363 1364 /* Open RX and TX pipes. */ 1365 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1366 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1367 if (err) { 1368 printf("axe%d: open rx pipe failed: %s\n", 1369 sc->axe_unit, usbd_errstr(err)); 1370 splx(s); 1371 return; 1372 } 1373 1374 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1375 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1376 if (err) { 1377 printf("axe%d: open tx pipe failed: %s\n", 1378 sc->axe_unit, usbd_errstr(err)); 1379 splx(s); 1380 return; 1381 } 1382 1383 /* Start up the receive pipe. */ 1384 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1385 c = &sc->axe_cdata.axe_rx_chain[i]; 1386 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1387 c, c->axe_buf, sc->axe_bufsz, 1388 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1389 USBD_NO_TIMEOUT, axe_rxeof); 1390 usbd_transfer(c->axe_xfer); 1391 } 1392 1393 sc->axe_link = 0; 1394 ifp->if_flags |= IFF_RUNNING; 1395 ifp->if_flags &= ~IFF_OACTIVE; 1396 1397 splx(s); 1398 1399 timeout_add_sec(&sc->axe_stat_ch, 1); 1400 return; 1401 } 1402 1403 int 1404 axe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1405 { 1406 struct axe_softc *sc = ifp->if_softc; 1407 struct ifreq *ifr = (struct ifreq *)data; 1408 struct ifaddr *ifa = (struct ifaddr *)data; 1409 struct mii_data *mii; 1410 uWord rxmode; 1411 int s, error = 0; 1412 1413 s = splnet(); 1414 1415 switch(cmd) { 1416 case SIOCSIFADDR: 1417 ifp->if_flags |= IFF_UP; 1418 if (!(ifp->if_flags & IFF_RUNNING)) 1419 axe_init(sc); 1420 #ifdef INET 1421 if (ifa->ifa_addr->sa_family == AF_INET) 1422 arp_ifinit(&sc->arpcom, ifa); 1423 #endif 1424 break; 1425 1426 case SIOCSIFFLAGS: 1427 if (ifp->if_flags & IFF_UP) { 1428 if (ifp->if_flags & IFF_RUNNING && 1429 ifp->if_flags & IFF_PROMISC && 1430 !(sc->axe_if_flags & IFF_PROMISC)) { 1431 1432 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, rxmode); 1433 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 1434 UGETW(rxmode) | AXE_RXCMD_PROMISC, NULL); 1435 1436 axe_setmulti(sc); 1437 } else if (ifp->if_flags & IFF_RUNNING && 1438 !(ifp->if_flags & IFF_PROMISC) && 1439 sc->axe_if_flags & IFF_PROMISC) { 1440 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, rxmode); 1441 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 1442 UGETW(rxmode) & ~AXE_RXCMD_PROMISC, NULL); 1443 axe_setmulti(sc); 1444 } else if (!(ifp->if_flags & IFF_RUNNING)) 1445 axe_init(sc); 1446 } else { 1447 if (ifp->if_flags & IFF_RUNNING) 1448 axe_stop(sc); 1449 } 1450 sc->axe_if_flags = ifp->if_flags; 1451 break; 1452 1453 case SIOCGIFMEDIA: 1454 case SIOCSIFMEDIA: 1455 mii = GET_MII(sc); 1456 error = ifmedia_ioctl(ifp, ifr, &mii->mii_media, cmd); 1457 break; 1458 1459 default: 1460 error = ether_ioctl(ifp, &sc->arpcom, cmd, data); 1461 } 1462 1463 if (error == ENETRESET) { 1464 if (ifp->if_flags & IFF_RUNNING) 1465 axe_setmulti(sc); 1466 error = 0; 1467 } 1468 1469 splx(s); 1470 return(error); 1471 } 1472 1473 void 1474 axe_watchdog(struct ifnet *ifp) 1475 { 1476 struct axe_softc *sc; 1477 struct axe_chain *c; 1478 usbd_status stat; 1479 int s; 1480 1481 sc = ifp->if_softc; 1482 1483 ifp->if_oerrors++; 1484 printf("axe%d: watchdog timeout\n", sc->axe_unit); 1485 1486 s = splusb(); 1487 c = &sc->axe_cdata.axe_tx_chain[0]; 1488 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1489 axe_txeof(c->axe_xfer, c, stat); 1490 1491 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1492 axe_start(ifp); 1493 splx(s); 1494 } 1495 1496 /* 1497 * Stop the adapter and free any mbufs allocated to the 1498 * RX and TX lists. 1499 */ 1500 void 1501 axe_stop(struct axe_softc *sc) 1502 { 1503 usbd_status err; 1504 struct ifnet *ifp; 1505 int i; 1506 1507 axe_reset(sc); 1508 1509 ifp = &sc->arpcom.ac_if; 1510 ifp->if_timer = 0; 1511 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1512 1513 timeout_del(&sc->axe_stat_ch); 1514 1515 /* Stop transfers. */ 1516 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1517 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1518 if (err) { 1519 printf("axe%d: abort rx pipe failed: %s\n", 1520 sc->axe_unit, usbd_errstr(err)); 1521 } 1522 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1523 if (err) { 1524 printf("axe%d: close rx pipe failed: %s\n", 1525 sc->axe_unit, usbd_errstr(err)); 1526 } 1527 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1528 } 1529 1530 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1531 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1532 if (err) { 1533 printf("axe%d: abort tx pipe failed: %s\n", 1534 sc->axe_unit, usbd_errstr(err)); 1535 } 1536 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1537 if (err) { 1538 printf("axe%d: close tx pipe failed: %s\n", 1539 sc->axe_unit, usbd_errstr(err)); 1540 } 1541 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1542 } 1543 1544 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1545 err = usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1546 if (err) { 1547 printf("axe%d: abort intr pipe failed: %s\n", 1548 sc->axe_unit, usbd_errstr(err)); 1549 } 1550 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1551 if (err) { 1552 printf("axe%d: close intr pipe failed: %s\n", 1553 sc->axe_unit, usbd_errstr(err)); 1554 } 1555 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1556 } 1557 1558 /* Free RX resources. */ 1559 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1560 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1561 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1562 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1563 } 1564 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1565 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1566 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1567 } 1568 } 1569 1570 /* Free TX resources. */ 1571 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1572 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1573 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1574 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1575 } 1576 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1577 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1578 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1579 } 1580 } 1581 1582 sc->axe_link = 0; 1583 } 1584 1585