1 /* $OpenBSD: if_axe.c,v 1.123 2013/11/15 10:17:39 pirofti 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 /* 52 * ASIX Electronics AX88172 USB 2.0 ethernet driver. Used in the 53 * LinkSys USB200M and various other adapters. 54 * 55 * Manuals available from: 56 * http://www.asix.com.tw/datasheet/mac/Ax88172.PDF 57 * Note: you need the manual for the AX88170 chip (USB 1.x ethernet 58 * controller) to find the definitions for the RX control register. 59 * http://www.asix.com.tw/datasheet/mac/Ax88170.PDF 60 * 61 * Written by Bill Paul <wpaul@windriver.com> 62 * Senior Engineer 63 * Wind River Systems 64 */ 65 66 /* 67 * The AX88172 provides USB ethernet supports at 10 and 100Mbps. 68 * It uses an external PHY (reference designs use a RealTek chip), 69 * and has a 64-bit multicast hash filter. There is some information 70 * missing from the manual which one needs to know in order to make 71 * the chip function: 72 * 73 * - You must set bit 7 in the RX control register, otherwise the 74 * chip won't receive any packets. 75 * - You must initialize all 3 IPG registers, or you won't be able 76 * to send any packets. 77 * 78 * Note that this device appears to only support loading the station 79 * address via autoload from the EEPROM (i.e. there's no way to manually 80 * set it). 81 * 82 * (Adam Weinberger wanted me to name this driver if_gir.c.) 83 */ 84 85 /* 86 * Ported to OpenBSD 3/28/2004 by Greg Taleck <taleck@oz.net> 87 * with bits and pieces from the aue and url drivers. 88 */ 89 90 #include "bpfilter.h" 91 92 #include <sys/param.h> 93 #include <sys/systm.h> 94 #include <sys/sockio.h> 95 #include <sys/rwlock.h> 96 #include <sys/mbuf.h> 97 #include <sys/kernel.h> 98 #include <sys/socket.h> 99 100 #include <sys/device.h> 101 102 #include <machine/bus.h> 103 104 #include <net/if.h> 105 #include <net/if_dl.h> 106 #include <net/if_media.h> 107 108 #if NBPFILTER > 0 109 #include <net/bpf.h> 110 #endif 111 112 #ifdef INET 113 #include <netinet/in.h> 114 #include <netinet/in_systm.h> 115 #include <netinet/ip.h> 116 #include <netinet/if_ether.h> 117 #endif 118 119 #include <dev/mii/mii.h> 120 #include <dev/mii/miivar.h> 121 122 #include <dev/usb/usb.h> 123 #include <dev/usb/usbdi.h> 124 #include <dev/usb/usbdi_util.h> 125 #include <dev/usb/usbdivar.h> 126 #include <dev/usb/usbdevs.h> 127 128 #include <dev/usb/if_axereg.h> 129 130 #ifdef AXE_DEBUG 131 #define DPRINTF(x) do { if (axedebug) printf x; } while (0) 132 #define DPRINTFN(n,x) do { if (axedebug >= (n)) printf x; } while (0) 133 int axedebug = 0; 134 #else 135 #define DPRINTF(x) 136 #define DPRINTFN(n,x) 137 #endif 138 139 /* 140 * Various supported device vendors/products. 141 */ 142 const struct axe_type axe_devs[] = { 143 { { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_UF200}, 0 }, 144 { { USB_VENDOR_ACERCM, USB_PRODUCT_ACERCM_EP1427X2}, 0 }, 145 { { USB_VENDOR_APPLE, USB_PRODUCT_APPLE_ETHERNET }, AX772 }, 146 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88172}, 0 }, 147 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772}, AX772 }, 148 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772A}, AX772 }, 149 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772B}, AX772 | AX772B }, 150 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88772B_1}, AX772 | AX772B }, 151 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178}, AX178 }, 152 { { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC210T}, 0 }, 153 { { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D5055 }, AX178 }, 154 { { USB_VENDOR_BILLIONTON, USB_PRODUCT_BILLIONTON_USB2AR}, 0}, 155 { { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_USB200MV2}, AX772 }, 156 { { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_FETHER_USB2_TX }, 0}, 157 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100}, 0 }, 158 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100B1 }, AX772 }, 159 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUBE100C1 }, AX772 | AX772B }, 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_LENOVO, USB_PRODUCT_LENOVO_ETHERNET }, AX772 | AX772B }, 164 { { USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_HG20F9}, AX772 | AX772B }, 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(struct usbd_xfer *, void *, usbd_status); 203 void axe_txeof(struct usbd_xfer *, void *, 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_iff(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 ifp = GET_IFP(sc); 364 if (mii == NULL || ifp == NULL || 365 (ifp->if_flags & IFF_RUNNING) == 0) 366 return; 367 368 sc->axe_link = 0; 369 if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) == 370 (IFM_ACTIVE | IFM_AVALID)) { 371 switch (IFM_SUBTYPE(mii->mii_media_active)) { 372 case IFM_10_T: 373 case IFM_100_TX: 374 sc->axe_link++; 375 break; 376 case IFM_1000_T: 377 if ((sc->axe_flags & AX178) == 0) 378 break; 379 sc->axe_link++; 380 break; 381 default: 382 break; 383 } 384 } 385 386 /* Lost link, do nothing. */ 387 if (sc->axe_link == 0) 388 return; 389 390 val = 0; 391 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) 392 val |= AXE_MEDIA_FULL_DUPLEX; 393 394 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 395 val |= (AXE_178_MEDIA_RX_EN | AXE_178_MEDIA_MAGIC); 396 if (sc->axe_flags & AX178) 397 val |= AXE_178_MEDIA_ENCK; 398 399 switch (IFM_SUBTYPE(mii->mii_media_active)) { 400 case IFM_1000_T: 401 val |= AXE_178_MEDIA_GMII | AXE_178_MEDIA_ENCK; 402 break; 403 case IFM_100_TX: 404 val |= AXE_178_MEDIA_100TX; 405 break; 406 case IFM_10_T: 407 /* doesn't need to be handled */ 408 break; 409 } 410 } 411 412 DPRINTF(("axe_miibus_statchg: val=0x%x\n", val)); 413 err = axe_cmd(sc, AXE_CMD_WRITE_MEDIA, 0, val, NULL); 414 if (err) { 415 printf("%s: media change failed\n", sc->axe_dev.dv_xname); 416 return; 417 } 418 } 419 420 /* 421 * Set media options. 422 */ 423 int 424 axe_ifmedia_upd(struct ifnet *ifp) 425 { 426 struct axe_softc *sc = ifp->if_softc; 427 struct mii_data *mii = GET_MII(sc); 428 429 if (mii->mii_instance) { 430 struct mii_softc *miisc; 431 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 432 mii_phy_reset(miisc); 433 } 434 mii_mediachg(mii); 435 436 return (0); 437 } 438 439 /* 440 * Report current media status. 441 */ 442 void 443 axe_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 444 { 445 struct axe_softc *sc = ifp->if_softc; 446 struct mii_data *mii = GET_MII(sc); 447 448 mii_pollstat(mii); 449 ifmr->ifm_active = mii->mii_media_active; 450 ifmr->ifm_status = mii->mii_media_status; 451 } 452 453 void 454 axe_iff(struct axe_softc *sc) 455 { 456 struct ifnet *ifp = GET_IFP(sc); 457 struct arpcom *ac = &sc->arpcom; 458 struct ether_multi *enm; 459 struct ether_multistep step; 460 u_int32_t h = 0; 461 uWord urxmode; 462 u_int16_t rxmode; 463 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 464 465 if (usbd_is_dying(sc->axe_udev)) 466 return; 467 468 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, urxmode); 469 rxmode = UGETW(urxmode); 470 rxmode &= ~(AXE_RXCMD_ALLMULTI | AXE_RXCMD_MULTICAST | 471 AXE_RXCMD_PROMISC); 472 ifp->if_flags &= ~IFF_ALLMULTI; 473 474 /* 475 * Always accept broadcast frames. 476 * Always accept frames destined to our station address. 477 */ 478 rxmode |= AXE_RXCMD_BROADCAST; 479 if (!sc->axe_flags & AX178 && !sc->axe_flags & AX772) 480 rxmode |= AXE_172_RXCMD_UNICAST; 481 482 if (ifp->if_flags & IFF_PROMISC || ac->ac_multirangecnt > 0) { 483 ifp->if_flags |= IFF_ALLMULTI; 484 rxmode |= AXE_RXCMD_ALLMULTI; 485 if (ifp->if_flags & IFF_PROMISC) 486 rxmode |= AXE_RXCMD_PROMISC; 487 } else { 488 rxmode |= AXE_RXCMD_MULTICAST; 489 490 /* now program new ones */ 491 ETHER_FIRST_MULTI(step, ac, enm); 492 while (enm != NULL) { 493 h = ether_crc32_be(enm->enm_addrlo, 494 ETHER_ADDR_LEN) >> 26; 495 496 hashtbl[h / 8] |= 1 << (h % 8); 497 498 ETHER_NEXT_MULTI(step, enm); 499 } 500 } 501 502 axe_cmd(sc, AXE_CMD_WRITE_MCAST, 0, 0, (void *)&hashtbl); 503 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 504 } 505 506 void 507 axe_reset(struct axe_softc *sc) 508 { 509 if (usbd_is_dying(sc->axe_udev)) 510 return; 511 /* XXX What to reset? */ 512 513 /* Wait a little while for the chip to get its brains in order. */ 514 DELAY(1000); 515 return; 516 } 517 518 #define AXE_GPIO_WRITE(x,y) do { \ 519 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, (x), NULL); \ 520 usbd_delay_ms(sc->axe_udev, (y)); \ 521 } while (0) 522 523 void 524 axe_ax88178_init(struct axe_softc *sc) 525 { 526 int gpio0 = 0, phymode = 0, ledmode; 527 u_int16_t eeprom, val; 528 529 axe_cmd(sc, AXE_CMD_SROM_WR_ENABLE, 0, 0, NULL); 530 /* XXX magic */ 531 axe_cmd(sc, AXE_CMD_SROM_READ, 0, 0x0017, &eeprom); 532 axe_cmd(sc, AXE_CMD_SROM_WR_DISABLE, 0, 0, NULL); 533 534 eeprom = letoh16(eeprom); 535 536 DPRINTF((" EEPROM is 0x%x\n", eeprom)); 537 538 /* if EEPROM is invalid we have to use to GPIO0 */ 539 if (eeprom == 0xffff) { 540 phymode = AXE_PHY_MODE_MARVELL; 541 gpio0 = 1; 542 ledmode = 0; 543 } else { 544 phymode = eeprom & 0x7f; 545 gpio0 = (eeprom & 0x80) ? 0 : 1; 546 ledmode = eeprom >> 8; 547 } 548 549 DPRINTF(("use gpio0: %d, phymode 0x%02x, eeprom 0x%04x\n", 550 gpio0, phymode, eeprom)); 551 552 /* power up external phy */ 553 AXE_GPIO_WRITE(AXE_GPIO1|AXE_GPIO1_EN | AXE_GPIO_RELOAD_EEPROM, 40); 554 if (ledmode == 1) { 555 AXE_GPIO_WRITE(AXE_GPIO1_EN, 30); 556 AXE_GPIO_WRITE(AXE_GPIO1_EN | AXE_GPIO1, 30); 557 } else { 558 val = gpio0 == 1 ? AXE_GPIO0 | AXE_GPIO0_EN : 559 AXE_GPIO1 | AXE_GPIO1_EN; 560 AXE_GPIO_WRITE(val | AXE_GPIO2 | AXE_GPIO2_EN, 30); 561 AXE_GPIO_WRITE(val | AXE_GPIO2_EN, 300); 562 AXE_GPIO_WRITE(val | AXE_GPIO2 | AXE_GPIO2_EN, 30); 563 } 564 565 /* initialize phy */ 566 if (phymode == AXE_PHY_MODE_REALTEK_8211CL) { 567 axe_miibus_writereg(&sc->axe_dev, sc->axe_phyno, 0x1f, 0x0005); 568 axe_miibus_writereg(&sc->axe_dev, sc->axe_phyno, 0x0c, 0x0000); 569 val = axe_miibus_readreg(&sc->axe_dev, sc->axe_phyno, 0x0001); 570 axe_miibus_writereg(&sc->axe_dev, sc->axe_phyno, 0x01, 571 val | 0x0080); 572 axe_miibus_writereg(&sc->axe_dev, sc->axe_phyno, 0x1f, 0x0000); 573 } 574 575 /* soft reset */ 576 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 577 usbd_delay_ms(sc->axe_udev, 150); 578 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 579 AXE_SW_RESET_PRL | AXE_178_RESET_MAGIC, NULL); 580 usbd_delay_ms(sc->axe_udev, 150); 581 /* Enable MII/GMII/RGMII for external PHY */ 582 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0, NULL); 583 usbd_delay_ms(sc->axe_udev, 10); 584 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 585 } 586 587 void 588 axe_ax88772_init(struct axe_softc *sc) 589 { 590 axe_cmd(sc, AXE_CMD_WRITE_GPIO, 0, 0x00b0, NULL); 591 usbd_delay_ms(sc->axe_udev, 40); 592 593 if (sc->axe_phyno == AXE_PHY_NO_AX772_EPHY) { 594 /* ask for the embedded PHY */ 595 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x01, NULL); 596 usbd_delay_ms(sc->axe_udev, 10); 597 598 /* power down and reset state, pin reset state */ 599 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_CLEAR, NULL); 600 usbd_delay_ms(sc->axe_udev, 60); 601 602 /* power down/reset state, pin operating state */ 603 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 604 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 605 usbd_delay_ms(sc->axe_udev, 150); 606 607 /* power up, reset */ 608 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, AXE_SW_RESET_PRL, NULL); 609 610 /* power up, operating */ 611 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 612 AXE_SW_RESET_IPRL | AXE_SW_RESET_PRL, NULL); 613 } else { 614 /* ask for external PHY */ 615 axe_cmd(sc, AXE_CMD_SW_PHY_SELECT, 0, 0x00, NULL); 616 usbd_delay_ms(sc->axe_udev, 10); 617 618 /* power down internal PHY */ 619 axe_cmd(sc, AXE_CMD_SW_RESET_REG, 0, 620 AXE_SW_RESET_IPPD | AXE_SW_RESET_PRL, NULL); 621 } 622 623 usbd_delay_ms(sc->axe_udev, 150); 624 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, 0, NULL); 625 } 626 627 static int 628 axe_get_phyno(struct axe_softc *sc, int sel) 629 { 630 int phyno = -1; 631 632 switch (AXE_PHY_TYPE(sc->axe_phyaddrs[sel])) { 633 case PHY_TYPE_100_HOME: 634 case PHY_TYPE_GIG: 635 phyno = AXE_PHY_NO(sc->axe_phyaddrs[sel]); 636 break; 637 case PHY_TYPE_SPECIAL: 638 /* FALLTHROUGH */ 639 case PHY_TYPE_RSVD: 640 /* FALLTHROUGH */ 641 case PHY_TYPE_NON_SUP: 642 /* FALLTHROUGH */ 643 default: 644 break; 645 } 646 647 return (phyno); 648 } 649 650 /* 651 * Probe for a AX88172 chip. 652 */ 653 int 654 axe_match(struct device *parent, void *match, void *aux) 655 { 656 struct usb_attach_arg *uaa = aux; 657 658 if (!uaa->iface) 659 return(UMATCH_NONE); 660 661 return (axe_lookup(uaa->vendor, uaa->product) != NULL ? 662 UMATCH_VENDOR_PRODUCT : UMATCH_NONE); 663 } 664 665 /* 666 * Attach the interface. Allocate softc structures, do ifmedia 667 * setup and ethernet/BPF attach. 668 */ 669 void 670 axe_attach(struct device *parent, struct device *self, void *aux) 671 { 672 struct axe_softc *sc = (struct axe_softc *)self; 673 struct usb_attach_arg *uaa = aux; 674 struct usbd_device *dev = uaa->device; 675 usbd_status err; 676 usb_interface_descriptor_t *id; 677 usb_endpoint_descriptor_t *ed; 678 struct mii_data *mii; 679 u_char eaddr[ETHER_ADDR_LEN]; 680 char *devname = sc->axe_dev.dv_xname; 681 struct ifnet *ifp; 682 int i, s; 683 684 sc->axe_unit = self->dv_unit; /*device_get_unit(self);*/ 685 sc->axe_udev = dev; 686 687 err = usbd_set_config_no(dev, AXE_CONFIG_NO, 1); 688 if (err) { 689 printf("%s: getting interface handle failed\n", 690 sc->axe_dev.dv_xname); 691 return; 692 } 693 694 sc->axe_flags = axe_lookup(uaa->vendor, uaa->product)->axe_flags; 695 696 usb_init_task(&sc->axe_tick_task, axe_tick_task, sc, 697 USB_TASK_TYPE_GENERIC); 698 rw_init(&sc->axe_mii_lock, "axemii"); 699 usb_init_task(&sc->axe_stop_task, (void (*)(void *))axe_stop, sc, 700 USB_TASK_TYPE_GENERIC); 701 702 err = usbd_device2interface_handle(dev, AXE_IFACE_IDX, &sc->axe_iface); 703 if (err) { 704 printf("%s: getting interface handle failed\n", 705 sc->axe_dev.dv_xname); 706 return; 707 } 708 709 sc->axe_product = uaa->product; 710 sc->axe_vendor = uaa->vendor; 711 712 id = usbd_get_interface_descriptor(sc->axe_iface); 713 714 /* decide on what our bufsize will be */ 715 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 716 sc->axe_bufsz = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 717 AXE_178_MAX_BUFSZ : AXE_178_MIN_BUFSZ; 718 else 719 sc->axe_bufsz = AXE_172_BUFSZ; 720 721 /* Find endpoints. */ 722 for (i = 0; i < id->bNumEndpoints; i++) { 723 ed = usbd_interface2endpoint_descriptor(sc->axe_iface, i); 724 if (!ed) { 725 printf("%s: couldn't get ep %d\n", 726 sc->axe_dev.dv_xname, i); 727 return; 728 } 729 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 730 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 731 sc->axe_ed[AXE_ENDPT_RX] = ed->bEndpointAddress; 732 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 733 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 734 sc->axe_ed[AXE_ENDPT_TX] = ed->bEndpointAddress; 735 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 736 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 737 sc->axe_ed[AXE_ENDPT_INTR] = ed->bEndpointAddress; 738 } 739 } 740 741 s = splnet(); 742 743 /* We need the PHYID for init dance in some cases */ 744 axe_cmd(sc, AXE_CMD_READ_PHYID, 0, 0, (void *)&sc->axe_phyaddrs); 745 746 DPRINTF((" phyaddrs[0]: %x phyaddrs[1]: %x\n", 747 sc->axe_phyaddrs[0], sc->axe_phyaddrs[1])); 748 749 sc->axe_phyno = axe_get_phyno(sc, AXE_PHY_SEL_PRI); 750 if (sc->axe_phyno == -1) 751 sc->axe_phyno = axe_get_phyno(sc, AXE_PHY_SEL_SEC); 752 if (sc->axe_phyno == -1) { 753 printf("%s:", sc->axe_dev.dv_xname); 754 printf(" no valid PHY address found, assuming PHY address 0\n"); 755 sc->axe_phyno = 0; 756 } 757 758 DPRINTF((" get_phyno %d\n", sc->axe_phyno)); 759 760 if (sc->axe_flags & AX178) 761 axe_ax88178_init(sc); 762 else if (sc->axe_flags & AX772) 763 axe_ax88772_init(sc); 764 765 /* 766 * Get station address. 767 */ 768 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 769 axe_cmd(sc, AXE_178_CMD_READ_NODEID, 0, 0, &eaddr); 770 else 771 axe_cmd(sc, AXE_172_CMD_READ_NODEID, 0, 0, &eaddr); 772 773 /* 774 * Load IPG values 775 */ 776 axe_cmd(sc, AXE_CMD_READ_IPG012, 0, 0, (void *)&sc->axe_ipgs); 777 778 /* 779 * An ASIX chip was detected. Inform the world. 780 */ 781 printf("%s:", sc->axe_dev.dv_xname); 782 if (sc->axe_flags & AX178) 783 printf(" AX88178"); 784 else if (sc->axe_flags & AX772B) 785 printf(" AX88772B"); 786 else if (sc->axe_flags & AX772) 787 printf(" AX88772"); 788 else 789 printf(" AX88172"); 790 printf(", address %s\n", ether_sprintf(eaddr)); 791 792 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 793 794 /* Initialize interface info.*/ 795 ifp = &sc->arpcom.ac_if; 796 ifp->if_softc = sc; 797 strlcpy(ifp->if_xname, devname, IFNAMSIZ); 798 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 799 ifp->if_ioctl = axe_ioctl; 800 ifp->if_start = axe_start; 801 ifp->if_watchdog = axe_watchdog; 802 IFQ_SET_READY(&ifp->if_snd); 803 804 ifp->if_capabilities = IFCAP_VLAN_MTU; 805 806 /* Initialize MII/media info. */ 807 mii = &sc->axe_mii; 808 mii->mii_ifp = ifp; 809 mii->mii_readreg = axe_miibus_readreg; 810 mii->mii_writereg = axe_miibus_writereg; 811 mii->mii_statchg = axe_miibus_statchg; 812 mii->mii_flags = MIIF_AUTOTSLEEP; 813 814 ifmedia_init(&mii->mii_media, 0, axe_ifmedia_upd, axe_ifmedia_sts); 815 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 816 817 if (LIST_FIRST(&mii->mii_phys) == NULL) { 818 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 819 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 820 } else 821 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 822 823 /* Attach the interface. */ 824 if_attach(ifp); 825 ether_ifattach(ifp); 826 827 timeout_set(&sc->axe_stat_ch, axe_tick, sc); 828 829 splx(s); 830 } 831 832 int 833 axe_detach(struct device *self, int flags) 834 { 835 struct axe_softc *sc = (struct axe_softc *)self; 836 int s; 837 struct ifnet *ifp = GET_IFP(sc); 838 839 DPRINTFN(2,("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 840 841 if (timeout_initialized(&sc->axe_stat_ch)) 842 timeout_del(&sc->axe_stat_ch); 843 844 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) 845 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 846 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) 847 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 848 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) 849 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 850 851 /* 852 * Remove any pending tasks. They cannot be executing because they run 853 * in the same thread as detach. 854 */ 855 usb_rem_task(sc->axe_udev, &sc->axe_tick_task); 856 usb_rem_task(sc->axe_udev, &sc->axe_stop_task); 857 858 s = splusb(); 859 860 if (--sc->axe_refcnt >= 0) { 861 /* Wait for processes to go away */ 862 usb_detach_wait(&sc->axe_dev); 863 } 864 865 if (ifp->if_flags & IFF_RUNNING) 866 axe_stop(sc); 867 868 mii_detach(&sc->axe_mii, MII_PHY_ANY, MII_OFFSET_ANY); 869 ifmedia_delete_instance(&sc->axe_mii.mii_media, IFM_INST_ANY); 870 if (ifp->if_softc != NULL) { 871 ether_ifdetach(ifp); 872 if_detach(ifp); 873 } 874 875 #ifdef DIAGNOSTIC 876 if (sc->axe_ep[AXE_ENDPT_TX] != NULL || 877 sc->axe_ep[AXE_ENDPT_RX] != NULL || 878 sc->axe_ep[AXE_ENDPT_INTR] != NULL) 879 printf("%s: detach has active endpoints\n", 880 sc->axe_dev.dv_xname); 881 #endif 882 883 if (--sc->axe_refcnt >= 0) { 884 /* Wait for processes to go away. */ 885 usb_detach_wait(&sc->axe_dev); 886 } 887 splx(s); 888 889 return (0); 890 } 891 892 int 893 axe_activate(struct device *self, int act) 894 { 895 struct axe_softc *sc = (struct axe_softc *)self; 896 897 DPRINTFN(2,("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 898 899 switch (act) { 900 case DVACT_DEACTIVATE: 901 usbd_deactivate(sc->axe_udev); 902 break; 903 } 904 return (0); 905 } 906 907 struct mbuf * 908 axe_newbuf(void) 909 { 910 struct mbuf *m; 911 912 MGETHDR(m, M_DONTWAIT, MT_DATA); 913 if (m == NULL) 914 return (NULL); 915 916 MCLGET(m, M_DONTWAIT); 917 if (!(m->m_flags & M_EXT)) { 918 m_freem(m); 919 return (NULL); 920 } 921 922 m->m_len = m->m_pkthdr.len = MCLBYTES; 923 m_adj(m, ETHER_ALIGN); 924 925 return (m); 926 } 927 928 int 929 axe_rx_list_init(struct axe_softc *sc) 930 { 931 struct axe_cdata *cd; 932 struct axe_chain *c; 933 int i; 934 935 DPRINTF(("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 936 937 cd = &sc->axe_cdata; 938 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 939 c = &cd->axe_rx_chain[i]; 940 c->axe_sc = sc; 941 c->axe_idx = i; 942 c->axe_mbuf = NULL; 943 if (c->axe_xfer == NULL) { 944 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 945 if (c->axe_xfer == NULL) 946 return (ENOBUFS); 947 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 948 sc->axe_bufsz); 949 if (c->axe_buf == NULL) { 950 usbd_free_xfer(c->axe_xfer); 951 return (ENOBUFS); 952 } 953 } 954 } 955 956 return (0); 957 } 958 959 int 960 axe_tx_list_init(struct axe_softc *sc) 961 { 962 struct axe_cdata *cd; 963 struct axe_chain *c; 964 int i; 965 966 DPRINTF(("%s: %s: enter\n", sc->axe_dev.dv_xname, __func__)); 967 968 cd = &sc->axe_cdata; 969 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 970 c = &cd->axe_tx_chain[i]; 971 c->axe_sc = sc; 972 c->axe_idx = i; 973 c->axe_mbuf = NULL; 974 if (c->axe_xfer == NULL) { 975 c->axe_xfer = usbd_alloc_xfer(sc->axe_udev); 976 if (c->axe_xfer == NULL) 977 return (ENOBUFS); 978 c->axe_buf = usbd_alloc_buffer(c->axe_xfer, 979 sc->axe_bufsz); 980 if (c->axe_buf == NULL) { 981 usbd_free_xfer(c->axe_xfer); 982 return (ENOBUFS); 983 } 984 } 985 } 986 987 return (0); 988 } 989 990 /* 991 * A frame has been uploaded: pass the resulting mbuf chain up to 992 * the higher level protocols. 993 */ 994 void 995 axe_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 996 { 997 struct axe_chain *c = (struct axe_chain *)priv; 998 struct axe_softc *sc = c->axe_sc; 999 struct ifnet *ifp = GET_IFP(sc); 1000 u_char *buf = c->axe_buf; 1001 u_int32_t total_len; 1002 u_int16_t pktlen = 0; 1003 struct mbuf *m; 1004 struct axe_sframe_hdr hdr; 1005 int s; 1006 1007 DPRINTFN(10,("%s: %s: enter\n", sc->axe_dev.dv_xname,__func__)); 1008 1009 if (usbd_is_dying(sc->axe_udev)) 1010 return; 1011 1012 if (!(ifp->if_flags & IFF_RUNNING)) 1013 return; 1014 1015 if (status != USBD_NORMAL_COMPLETION) { 1016 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1017 return; 1018 if (usbd_ratecheck(&sc->axe_rx_notice)) { 1019 printf("%s: usb errors on rx: %s\n", 1020 sc->axe_dev.dv_xname, usbd_errstr(status)); 1021 } 1022 if (status == USBD_STALLED) 1023 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_RX]); 1024 goto done; 1025 } 1026 1027 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1028 1029 do { 1030 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1031 if (total_len < sizeof(hdr)) { 1032 ifp->if_ierrors++; 1033 goto done; 1034 } 1035 1036 buf += pktlen; 1037 1038 memcpy(&hdr, buf, sizeof(hdr)); 1039 total_len -= sizeof(hdr); 1040 1041 if (((letoh16(hdr.len) & AXE_RH1M_RXLEN_MASK) ^ 1042 (letoh16(hdr.ilen) & AXE_RH1M_RXLEN_MASK)) != 1043 AXE_RH1M_RXLEN_MASK) { 1044 ifp->if_ierrors++; 1045 goto done; 1046 } 1047 pktlen = letoh16(hdr.len) & AXE_RH1M_RXLEN_MASK; 1048 if (pktlen > total_len) { 1049 ifp->if_ierrors++; 1050 goto done; 1051 } 1052 1053 buf += sizeof(hdr); 1054 1055 if ((pktlen % 2) != 0) 1056 pktlen++; 1057 1058 if (total_len < pktlen) 1059 total_len = 0; 1060 else 1061 total_len -= pktlen; 1062 } else { 1063 pktlen = total_len; /* crc on the end? */ 1064 total_len = 0; 1065 } 1066 1067 m = axe_newbuf(); 1068 if (m == NULL) { 1069 ifp->if_ierrors++; 1070 goto done; 1071 } 1072 1073 ifp->if_ipackets++; 1074 m->m_pkthdr.rcvif = ifp; 1075 m->m_pkthdr.len = m->m_len = pktlen; 1076 1077 memcpy(mtod(m, char *), buf, pktlen); 1078 1079 /* push the packet up */ 1080 s = splnet(); 1081 #if NBPFILTER > 0 1082 if (ifp->if_bpf) 1083 bpf_mtap(ifp->if_bpf, m, BPF_DIRECTION_IN); 1084 #endif 1085 1086 ether_input_mbuf(ifp, m); 1087 1088 splx(s); 1089 1090 } while (total_len > 0); 1091 1092 done: 1093 memset(c->axe_buf, 0, sc->axe_bufsz); 1094 1095 /* Setup new transfer. */ 1096 usbd_setup_xfer(xfer, sc->axe_ep[AXE_ENDPT_RX], 1097 c, c->axe_buf, sc->axe_bufsz, 1098 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1099 USBD_NO_TIMEOUT, axe_rxeof); 1100 usbd_transfer(xfer); 1101 1102 DPRINTFN(10,("%s: %s: start rx\n", sc->axe_dev.dv_xname, __func__)); 1103 1104 return; 1105 } 1106 1107 /* 1108 * A frame was downloaded to the chip. It's safe for us to clean up 1109 * the list buffers. 1110 */ 1111 1112 void 1113 axe_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1114 { 1115 struct axe_softc *sc; 1116 struct axe_chain *c; 1117 struct ifnet *ifp; 1118 int s; 1119 1120 c = priv; 1121 sc = c->axe_sc; 1122 ifp = &sc->arpcom.ac_if; 1123 1124 if (usbd_is_dying(sc->axe_udev)) 1125 return; 1126 1127 s = splnet(); 1128 1129 if (status != USBD_NORMAL_COMPLETION) { 1130 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1131 splx(s); 1132 return; 1133 } 1134 ifp->if_oerrors++; 1135 printf("axe%d: usb error on tx: %s\n", sc->axe_unit, 1136 usbd_errstr(status)); 1137 if (status == USBD_STALLED) 1138 usbd_clear_endpoint_stall_async(sc->axe_ep[AXE_ENDPT_TX]); 1139 splx(s); 1140 return; 1141 } 1142 1143 ifp->if_timer = 0; 1144 ifp->if_flags &= ~IFF_OACTIVE; 1145 1146 m_freem(c->axe_mbuf); 1147 c->axe_mbuf = NULL; 1148 1149 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1150 axe_start(ifp); 1151 1152 ifp->if_opackets++; 1153 splx(s); 1154 return; 1155 } 1156 1157 void 1158 axe_tick(void *xsc) 1159 { 1160 struct axe_softc *sc = xsc; 1161 1162 if (sc == NULL) 1163 return; 1164 1165 DPRINTFN(0xff, ("%s: %s: enter\n", sc->axe_dev.dv_xname, 1166 __func__)); 1167 1168 if (usbd_is_dying(sc->axe_udev)) 1169 return; 1170 1171 /* Perform periodic stuff in process context */ 1172 usb_add_task(sc->axe_udev, &sc->axe_tick_task); 1173 1174 } 1175 1176 void 1177 axe_tick_task(void *xsc) 1178 { 1179 int s; 1180 struct axe_softc *sc; 1181 struct ifnet *ifp; 1182 struct mii_data *mii; 1183 1184 sc = xsc; 1185 1186 if (sc == NULL) 1187 return; 1188 1189 if (usbd_is_dying(sc->axe_udev)) 1190 return; 1191 1192 ifp = GET_IFP(sc); 1193 mii = GET_MII(sc); 1194 if (mii == NULL) 1195 return; 1196 1197 s = splnet(); 1198 1199 mii_tick(mii); 1200 if (sc->axe_link == 0) 1201 axe_miibus_statchg(&sc->axe_dev); 1202 timeout_add_sec(&sc->axe_stat_ch, 1); 1203 1204 splx(s); 1205 } 1206 1207 int 1208 axe_encap(struct axe_softc *sc, struct mbuf *m, int idx) 1209 { 1210 struct axe_chain *c; 1211 usbd_status err; 1212 struct axe_sframe_hdr hdr; 1213 int length, boundary; 1214 1215 c = &sc->axe_cdata.axe_tx_chain[idx]; 1216 1217 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1218 boundary = (sc->axe_udev->speed == USB_SPEED_HIGH) ? 512 : 64; 1219 1220 hdr.len = htole16(m->m_pkthdr.len); 1221 hdr.ilen = ~hdr.len; 1222 1223 memcpy(c->axe_buf, &hdr, sizeof(hdr)); 1224 length = sizeof(hdr); 1225 1226 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf + length); 1227 length += m->m_pkthdr.len; 1228 1229 if ((length % boundary) == 0) { 1230 hdr.len = 0x0000; 1231 hdr.ilen = 0xffff; 1232 memcpy(c->axe_buf + length, &hdr, sizeof(hdr)); 1233 length += sizeof(hdr); 1234 } 1235 1236 } else { 1237 m_copydata(m, 0, m->m_pkthdr.len, c->axe_buf); 1238 length = m->m_pkthdr.len; 1239 } 1240 1241 c->axe_mbuf = m; 1242 1243 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_TX], 1244 c, c->axe_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1245 10000, axe_txeof); 1246 1247 /* Transmit */ 1248 err = usbd_transfer(c->axe_xfer); 1249 if (err != USBD_IN_PROGRESS) { 1250 axe_stop(sc); 1251 return(EIO); 1252 } 1253 1254 sc->axe_cdata.axe_tx_cnt++; 1255 1256 return(0); 1257 } 1258 1259 void 1260 axe_start(struct ifnet *ifp) 1261 { 1262 struct axe_softc *sc; 1263 struct mbuf *m_head = NULL; 1264 1265 sc = ifp->if_softc; 1266 1267 if (!sc->axe_link) 1268 return; 1269 1270 if (ifp->if_flags & IFF_OACTIVE) 1271 return; 1272 1273 IFQ_POLL(&ifp->if_snd, m_head); 1274 if (m_head == NULL) 1275 return; 1276 1277 if (axe_encap(sc, m_head, 0)) { 1278 ifp->if_flags |= IFF_OACTIVE; 1279 return; 1280 } 1281 IFQ_DEQUEUE(&ifp->if_snd, m_head); 1282 1283 /* 1284 * If there's a BPF listener, bounce a copy of this frame 1285 * to him. 1286 */ 1287 #if NBPFILTER > 0 1288 if (ifp->if_bpf) 1289 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1290 #endif 1291 1292 ifp->if_flags |= IFF_OACTIVE; 1293 1294 /* 1295 * Set a timeout in case the chip goes out to lunch. 1296 */ 1297 ifp->if_timer = 5; 1298 1299 return; 1300 } 1301 1302 void 1303 axe_init(void *xsc) 1304 { 1305 struct axe_softc *sc = xsc; 1306 struct ifnet *ifp = &sc->arpcom.ac_if; 1307 struct axe_chain *c; 1308 usbd_status err; 1309 uWord urxmode; 1310 int rxmode; 1311 int i, s; 1312 1313 s = splnet(); 1314 1315 /* 1316 * Cancel pending I/O and free all RX/TX buffers. 1317 */ 1318 axe_reset(sc); 1319 1320 /* set MAC address */ 1321 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1322 axe_cmd(sc, AXE_178_CMD_WRITE_NODEID, 0, 0, 1323 &sc->arpcom.ac_enaddr); 1324 1325 /* Enable RX logic. */ 1326 1327 /* Init RX ring. */ 1328 if (axe_rx_list_init(sc) == ENOBUFS) { 1329 printf("axe%d: rx list init failed\n", sc->axe_unit); 1330 splx(s); 1331 return; 1332 } 1333 1334 /* Init TX ring. */ 1335 if (axe_tx_list_init(sc) == ENOBUFS) { 1336 printf("axe%d: tx list init failed\n", sc->axe_unit); 1337 splx(s); 1338 return; 1339 } 1340 1341 /* Set transmitter IPG values */ 1342 if (sc->axe_flags & AX178 || sc->axe_flags & AX772) 1343 axe_cmd(sc, AXE_178_CMD_WRITE_IPG012, sc->axe_ipgs[2], 1344 (sc->axe_ipgs[1] << 8) | (sc->axe_ipgs[0]), NULL); 1345 else { 1346 axe_cmd(sc, AXE_172_CMD_WRITE_IPG0, 0, sc->axe_ipgs[0], NULL); 1347 axe_cmd(sc, AXE_172_CMD_WRITE_IPG1, 0, sc->axe_ipgs[1], NULL); 1348 axe_cmd(sc, AXE_172_CMD_WRITE_IPG2, 0, sc->axe_ipgs[2], NULL); 1349 } 1350 1351 /* Program promiscuous mode and multicast filters. */ 1352 axe_iff(sc); 1353 1354 /* Enable receiver, set RX mode */ 1355 axe_cmd(sc, AXE_CMD_RXCTL_READ, 0, 0, urxmode); 1356 rxmode = UGETW(urxmode); 1357 rxmode |= AXE_RXCMD_ENABLE; 1358 if (sc->axe_flags & AX772B) 1359 rxmode |= AXE_772B_RXCMD_RH1M; 1360 else if (sc->axe_flags & AX178 || sc->axe_flags & AX772) { 1361 if (sc->axe_udev->speed == USB_SPEED_HIGH) { 1362 /* largest possible USB buffer size for AX88178 */ 1363 rxmode |= AXE_178_RXCMD_MFB; 1364 } 1365 } 1366 axe_cmd(sc, AXE_CMD_RXCTL_WRITE, 0, rxmode, NULL); 1367 1368 /* Open RX and TX pipes. */ 1369 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_RX], 1370 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_RX]); 1371 if (err) { 1372 printf("axe%d: open rx pipe failed: %s\n", 1373 sc->axe_unit, usbd_errstr(err)); 1374 splx(s); 1375 return; 1376 } 1377 1378 err = usbd_open_pipe(sc->axe_iface, sc->axe_ed[AXE_ENDPT_TX], 1379 USBD_EXCLUSIVE_USE, &sc->axe_ep[AXE_ENDPT_TX]); 1380 if (err) { 1381 printf("axe%d: open tx pipe failed: %s\n", 1382 sc->axe_unit, usbd_errstr(err)); 1383 splx(s); 1384 return; 1385 } 1386 1387 /* Start up the receive pipe. */ 1388 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1389 c = &sc->axe_cdata.axe_rx_chain[i]; 1390 usbd_setup_xfer(c->axe_xfer, sc->axe_ep[AXE_ENDPT_RX], 1391 c, c->axe_buf, sc->axe_bufsz, 1392 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1393 USBD_NO_TIMEOUT, axe_rxeof); 1394 usbd_transfer(c->axe_xfer); 1395 } 1396 1397 sc->axe_link = 0; 1398 ifp->if_flags |= IFF_RUNNING; 1399 ifp->if_flags &= ~IFF_OACTIVE; 1400 1401 splx(s); 1402 1403 timeout_add_sec(&sc->axe_stat_ch, 1); 1404 return; 1405 } 1406 1407 int 1408 axe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1409 { 1410 struct axe_softc *sc = ifp->if_softc; 1411 struct ifreq *ifr = (struct ifreq *)data; 1412 struct ifaddr *ifa = (struct ifaddr *)data; 1413 int s, error = 0; 1414 1415 s = splnet(); 1416 1417 switch(cmd) { 1418 case SIOCSIFADDR: 1419 ifp->if_flags |= IFF_UP; 1420 if (!(ifp->if_flags & IFF_RUNNING)) 1421 axe_init(sc); 1422 #ifdef INET 1423 if (ifa->ifa_addr->sa_family == AF_INET) 1424 arp_ifinit(&sc->arpcom, ifa); 1425 #endif 1426 break; 1427 1428 case SIOCSIFFLAGS: 1429 if (ifp->if_flags & IFF_UP) { 1430 if (ifp->if_flags & IFF_RUNNING) 1431 error = ENETRESET; 1432 else 1433 axe_init(sc); 1434 } else { 1435 if (ifp->if_flags & IFF_RUNNING) 1436 axe_stop(sc); 1437 } 1438 break; 1439 1440 case SIOCGIFMEDIA: 1441 case SIOCSIFMEDIA: 1442 error = ifmedia_ioctl(ifp, ifr, &sc->axe_mii.mii_media, cmd); 1443 break; 1444 1445 default: 1446 error = ether_ioctl(ifp, &sc->arpcom, cmd, data); 1447 } 1448 1449 if (error == ENETRESET) { 1450 if (ifp->if_flags & IFF_RUNNING) 1451 axe_iff(sc); 1452 error = 0; 1453 } 1454 1455 splx(s); 1456 return(error); 1457 } 1458 1459 void 1460 axe_watchdog(struct ifnet *ifp) 1461 { 1462 struct axe_softc *sc; 1463 struct axe_chain *c; 1464 usbd_status stat; 1465 int s; 1466 1467 sc = ifp->if_softc; 1468 1469 ifp->if_oerrors++; 1470 printf("axe%d: watchdog timeout\n", sc->axe_unit); 1471 1472 s = splusb(); 1473 c = &sc->axe_cdata.axe_tx_chain[0]; 1474 usbd_get_xfer_status(c->axe_xfer, NULL, NULL, NULL, &stat); 1475 axe_txeof(c->axe_xfer, c, stat); 1476 1477 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1478 axe_start(ifp); 1479 splx(s); 1480 } 1481 1482 /* 1483 * Stop the adapter and free any mbufs allocated to the 1484 * RX and TX lists. 1485 */ 1486 void 1487 axe_stop(struct axe_softc *sc) 1488 { 1489 usbd_status err; 1490 struct ifnet *ifp; 1491 int i; 1492 1493 axe_reset(sc); 1494 1495 ifp = &sc->arpcom.ac_if; 1496 ifp->if_timer = 0; 1497 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1498 1499 timeout_del(&sc->axe_stat_ch); 1500 1501 /* Stop transfers. */ 1502 if (sc->axe_ep[AXE_ENDPT_RX] != NULL) { 1503 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1504 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_RX]); 1505 if (err) { 1506 printf("axe%d: close rx pipe failed: %s\n", 1507 sc->axe_unit, usbd_errstr(err)); 1508 } 1509 sc->axe_ep[AXE_ENDPT_RX] = NULL; 1510 } 1511 1512 if (sc->axe_ep[AXE_ENDPT_TX] != NULL) { 1513 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1514 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_TX]); 1515 if (err) { 1516 printf("axe%d: close tx pipe failed: %s\n", 1517 sc->axe_unit, usbd_errstr(err)); 1518 } 1519 sc->axe_ep[AXE_ENDPT_TX] = NULL; 1520 } 1521 1522 if (sc->axe_ep[AXE_ENDPT_INTR] != NULL) { 1523 usbd_abort_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1524 err = usbd_close_pipe(sc->axe_ep[AXE_ENDPT_INTR]); 1525 if (err) { 1526 printf("axe%d: close intr pipe failed: %s\n", 1527 sc->axe_unit, usbd_errstr(err)); 1528 } 1529 sc->axe_ep[AXE_ENDPT_INTR] = NULL; 1530 } 1531 1532 /* Free RX resources. */ 1533 for (i = 0; i < AXE_RX_LIST_CNT; i++) { 1534 if (sc->axe_cdata.axe_rx_chain[i].axe_mbuf != NULL) { 1535 m_freem(sc->axe_cdata.axe_rx_chain[i].axe_mbuf); 1536 sc->axe_cdata.axe_rx_chain[i].axe_mbuf = NULL; 1537 } 1538 if (sc->axe_cdata.axe_rx_chain[i].axe_xfer != NULL) { 1539 usbd_free_xfer(sc->axe_cdata.axe_rx_chain[i].axe_xfer); 1540 sc->axe_cdata.axe_rx_chain[i].axe_xfer = NULL; 1541 } 1542 } 1543 1544 /* Free TX resources. */ 1545 for (i = 0; i < AXE_TX_LIST_CNT; i++) { 1546 if (sc->axe_cdata.axe_tx_chain[i].axe_mbuf != NULL) { 1547 m_freem(sc->axe_cdata.axe_tx_chain[i].axe_mbuf); 1548 sc->axe_cdata.axe_tx_chain[i].axe_mbuf = NULL; 1549 } 1550 if (sc->axe_cdata.axe_tx_chain[i].axe_xfer != NULL) { 1551 usbd_free_xfer(sc->axe_cdata.axe_tx_chain[i].axe_xfer); 1552 sc->axe_cdata.axe_tx_chain[i].axe_xfer = NULL; 1553 } 1554 } 1555 1556 sc->axe_link = 0; 1557 } 1558 1559