1 /* $OpenBSD: if_axen.c,v 1.22 2016/04/13 11:03:37 mpi Exp $ */ 2 3 /* 4 * Copyright (c) 2013 Yojiro UO <yuo@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 * ASIX Electronics AX88178a USB 2.0 ethernet and AX88179 USB 3.0 Ethernet 21 * driver. 22 */ 23 24 #include "bpfilter.h" 25 26 #include <sys/param.h> 27 #include <sys/systm.h> 28 #include <sys/sockio.h> 29 #include <sys/rwlock.h> 30 #include <sys/mbuf.h> 31 #include <sys/kernel.h> 32 #include <sys/socket.h> 33 34 #include <sys/device.h> 35 36 #include <machine/bus.h> 37 38 #include <net/if.h> 39 #include <net/if_media.h> 40 41 #if NBPFILTER > 0 42 #include <net/bpf.h> 43 #endif 44 45 #include <netinet/in.h> 46 #include <netinet/if_ether.h> 47 48 #include <dev/mii/mii.h> 49 #include <dev/mii/miivar.h> 50 51 #include <dev/usb/usb.h> 52 #include <dev/usb/usbdi.h> 53 #include <dev/usb/usbdi_util.h> 54 #include <dev/usb/usbdivar.h> 55 #include <dev/usb/usbdevs.h> 56 57 #include <dev/usb/if_axenreg.h> 58 59 #ifdef AXEN_DEBUG 60 #define DPRINTF(x) do { if (axendebug) printf x; } while (0) 61 #define DPRINTFN(n,x) do { if (axendebug >= (n)) printf x; } while (0) 62 int axendebug = 0; 63 #else 64 #define DPRINTF(x) 65 #define DPRINTFN(n,x) 66 #endif 67 68 #define AXEN_TOE /* enable checksum offload function */ 69 70 /* 71 * Various supported device vendors/products. 72 */ 73 const struct axen_type axen_devs[] = { 74 #if 0 /* not tested */ 75 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178A}, AX178A }, 76 #endif 77 { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88179}, AX179 }, 78 { { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DUB1312}, AX179 }, 79 { { USB_VENDOR_LENOVO, USB_PRODUCT_LENOVO_AX88179}, AX179 }, 80 { { USB_VENDOR_SAMSUNG2, USB_PRODUCT_SAMSUNG2_AX88179}, AX179 }, 81 { { USB_VENDOR_SITECOMEU, USB_PRODUCT_SITECOMEU_LN032}, AX179 } 82 }; 83 84 #define axen_lookup(v, p) ((struct axen_type *)usb_lookup(axen_devs, v, p)) 85 86 int axen_match(struct device *, void *, void *); 87 void axen_attach(struct device *, struct device *, void *); 88 int axen_detach(struct device *, int); 89 90 struct cfdriver axen_cd = { 91 NULL, "axen", DV_IFNET 92 }; 93 94 const struct cfattach axen_ca = { 95 sizeof(struct axen_softc), axen_match, axen_attach, axen_detach 96 }; 97 98 int axen_tx_list_init(struct axen_softc *); 99 int axen_rx_list_init(struct axen_softc *); 100 struct mbuf *axen_newbuf(void); 101 int axen_encap(struct axen_softc *, struct mbuf *, int); 102 void axen_rxeof(struct usbd_xfer *, void *, usbd_status); 103 void axen_txeof(struct usbd_xfer *, void *, usbd_status); 104 void axen_tick(void *); 105 void axen_tick_task(void *); 106 void axen_start(struct ifnet *); 107 int axen_ioctl(struct ifnet *, u_long, caddr_t); 108 void axen_init(void *); 109 void axen_stop(struct axen_softc *); 110 void axen_watchdog(struct ifnet *); 111 int axen_miibus_readreg(struct device *, int, int); 112 void axen_miibus_writereg(struct device *, int, int, int); 113 void axen_miibus_statchg(struct device *); 114 int axen_cmd(struct axen_softc *, int, int, int, void *); 115 int axen_ifmedia_upd(struct ifnet *); 116 void axen_ifmedia_sts(struct ifnet *, struct ifmediareq *); 117 void axen_reset(struct axen_softc *sc); 118 void axen_iff(struct axen_softc *); 119 void axen_lock_mii(struct axen_softc *sc); 120 void axen_unlock_mii(struct axen_softc *sc); 121 122 void axen_ax88179_init(struct axen_softc *); 123 124 /* Get exclusive access to the MII registers */ 125 void 126 axen_lock_mii(struct axen_softc *sc) 127 { 128 sc->axen_refcnt++; 129 rw_enter_write(&sc->axen_mii_lock); 130 } 131 132 void 133 axen_unlock_mii(struct axen_softc *sc) 134 { 135 rw_exit_write(&sc->axen_mii_lock); 136 if (--sc->axen_refcnt < 0) 137 usb_detach_wakeup(&sc->axen_dev); 138 } 139 140 int 141 axen_cmd(struct axen_softc *sc, int cmd, int index, int val, void *buf) 142 { 143 usb_device_request_t req; 144 usbd_status err; 145 146 if (usbd_is_dying(sc->axen_udev)) 147 return 0; 148 149 if (AXEN_CMD_DIR(cmd)) 150 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 151 else 152 req.bmRequestType = UT_READ_VENDOR_DEVICE; 153 req.bRequest = AXEN_CMD_CMD(cmd); 154 USETW(req.wValue, val); 155 USETW(req.wIndex, index); 156 USETW(req.wLength, AXEN_CMD_LEN(cmd)); 157 158 err = usbd_do_request(sc->axen_udev, &req, buf); 159 DPRINTFN(5, ("axen_cmd: cmd 0x%04x val 0x%04x len %d\n", 160 cmd, val, AXEN_CMD_LEN(cmd))); 161 162 if (err) { 163 DPRINTF(("axen_cmd err: cmd: %d, error: %d\n", cmd, err)); 164 return -1; 165 } 166 167 return 0; 168 } 169 170 int 171 axen_miibus_readreg(struct device *dev, int phy, int reg) 172 { 173 struct axen_softc *sc = (void *)dev; 174 int err; 175 uWord val; 176 int ival; 177 178 if (usbd_is_dying(sc->axen_udev)) { 179 DPRINTF(("axen: dying\n")); 180 return 0; 181 } 182 183 if (sc->axen_phyno != phy) 184 return 0; 185 186 axen_lock_mii(sc); 187 err = axen_cmd(sc, AXEN_CMD_MII_READ_REG, reg, phy, &val); 188 axen_unlock_mii(sc); 189 190 if (err) { 191 printf("axen%d: read PHY failed\n", sc->axen_unit); 192 return -1; 193 } 194 195 ival = UGETW(val); 196 DPRINTFN(2,("axen_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n", 197 phy, reg, ival)); 198 199 if (reg == MII_BMSR) { 200 ival &= ~BMSR_EXTCAP; 201 } 202 203 return ival; 204 } 205 206 void 207 axen_miibus_writereg(struct device *dev, int phy, int reg, int val) 208 { 209 struct axen_softc *sc = (void *)dev; 210 int err; 211 uWord uval; 212 213 if (usbd_is_dying(sc->axen_udev)) 214 return; 215 216 if (sc->axen_phyno != phy) 217 return; 218 219 USETW(uval, val); 220 axen_lock_mii(sc); 221 err = axen_cmd(sc, AXEN_CMD_MII_WRITE_REG, reg, phy, &uval); 222 axen_unlock_mii(sc); 223 DPRINTFN(2, ("axen_miibus_writereg: phy 0x%x reg 0x%x val 0x%0x\n", 224 phy, reg, val)); 225 226 if (err) { 227 printf("axen%d: write PHY failed\n", sc->axen_unit); 228 return; 229 } 230 } 231 232 void 233 axen_miibus_statchg(struct device *dev) 234 { 235 struct axen_softc *sc = (void *)dev; 236 struct mii_data *mii = GET_MII(sc); 237 struct ifnet *ifp; 238 int err; 239 uint16_t val; 240 uWord wval; 241 242 ifp = GET_IFP(sc); 243 if (mii == NULL || ifp == NULL || 244 (ifp->if_flags & IFF_RUNNING) == 0) 245 return; 246 247 sc->axen_link = 0; 248 if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) == 249 (IFM_ACTIVE | IFM_AVALID)) { 250 switch (IFM_SUBTYPE(mii->mii_media_active)) { 251 case IFM_10_T: 252 case IFM_100_TX: 253 sc->axen_link++; 254 break; 255 case IFM_1000_T: 256 sc->axen_link++; 257 break; 258 default: 259 break; 260 } 261 } 262 263 /* Lost link, do nothing. */ 264 if (sc->axen_link == 0) 265 return; 266 267 val = 0; 268 if ((IFM_OPTIONS(mii->mii_media_active) & IFM_FDX) != 0) 269 val |= AXEN_MEDIUM_FDX; 270 271 val |= (AXEN_MEDIUM_RECV_EN | AXEN_MEDIUM_ALWAYS_ONE); 272 val |= (AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN); 273 274 switch (IFM_SUBTYPE(mii->mii_media_active)) { 275 case IFM_1000_T: 276 val |= AXEN_MEDIUM_GIGA | AXEN_MEDIUM_EN_125MHZ; 277 break; 278 case IFM_100_TX: 279 val |= AXEN_MEDIUM_PS; 280 break; 281 case IFM_10_T: 282 /* doesn't need to be handled */ 283 break; 284 } 285 286 DPRINTF(("axen_miibus_statchg: val=0x%x\n", val)); 287 USETW(wval, val); 288 axen_lock_mii(sc); 289 err = axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); 290 axen_unlock_mii(sc); 291 if (err) { 292 printf("%s: media change failed\n", sc->axen_dev.dv_xname); 293 return; 294 } 295 } 296 297 /* 298 * Set media options. 299 */ 300 int 301 axen_ifmedia_upd(struct ifnet *ifp) 302 { 303 struct axen_softc *sc = ifp->if_softc; 304 struct mii_data *mii = GET_MII(sc); 305 int err; 306 307 sc->axen_link = 0; 308 309 if (mii->mii_instance) { 310 struct mii_softc *miisc; 311 LIST_FOREACH(miisc, &mii->mii_phys, mii_list) 312 mii_phy_reset(miisc); 313 } 314 315 err = mii_mediachg(mii); 316 if (err == ENXIO) 317 return 0; 318 else 319 return err; 320 } 321 322 /* 323 * Report current media status. 324 */ 325 void 326 axen_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) 327 { 328 struct axen_softc *sc = ifp->if_softc; 329 struct mii_data *mii = GET_MII(sc); 330 331 mii_pollstat(mii); 332 ifmr->ifm_active = mii->mii_media_active; 333 ifmr->ifm_status = mii->mii_media_status; 334 } 335 336 void 337 axen_iff(struct axen_softc *sc) 338 { 339 struct ifnet *ifp = GET_IFP(sc); 340 struct arpcom *ac = &sc->arpcom; 341 struct ether_multi *enm; 342 struct ether_multistep step; 343 u_int32_t h = 0; 344 u_int16_t rxmode; 345 u_int8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; 346 uWord wval; 347 348 if (usbd_is_dying(sc->axen_udev)) 349 return; 350 351 rxmode = 0; 352 353 /* Enable receiver, set RX mode */ 354 axen_lock_mii(sc); 355 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); 356 rxmode = UGETW(wval); 357 rxmode &= ~(AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_ACPT_PHY_MCAST | 358 AXEN_RXCTL_PROMISC); 359 ifp->if_flags &= ~IFF_ALLMULTI; 360 361 /* 362 * Always accept broadcast frames. 363 * Always accept frames destined to our station address. 364 */ 365 rxmode |= AXEN_RXCTL_ACPT_BCAST; 366 367 if (ifp->if_flags & IFF_PROMISC || ac->ac_multirangecnt > 0) { 368 ifp->if_flags |= IFF_ALLMULTI; 369 rxmode |= AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_ACPT_PHY_MCAST; 370 if (ifp->if_flags & IFF_PROMISC) 371 rxmode |= AXEN_RXCTL_PROMISC; 372 } else { 373 rxmode |= AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_ACPT_PHY_MCAST; 374 375 /* now program new ones */ 376 ETHER_FIRST_MULTI(step, ac, enm); 377 while (enm != NULL) { 378 h = ether_crc32_be(enm->enm_addrlo, 379 ETHER_ADDR_LEN) >> 26; 380 hashtbl[h / 8] |= 1 << (h % 8); 381 ETHER_NEXT_MULTI(step, enm); 382 } 383 } 384 385 axen_cmd(sc, AXEN_CMD_MAC_WRITE_FILTER, 8, AXEN_FILTER_MULTI, 386 (void *)&hashtbl); 387 USETW(wval, rxmode); 388 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 389 axen_unlock_mii(sc); 390 } 391 392 void 393 axen_reset(struct axen_softc *sc) 394 { 395 if (usbd_is_dying(sc->axen_udev)) 396 return; 397 398 axen_ax88179_init(sc); 399 400 /* Wait a little while for the chip to get its brains in order. */ 401 DELAY(1000); 402 return; 403 } 404 405 void 406 axen_ax88179_init(struct axen_softc *sc) 407 { 408 uWord wval; 409 uByte val; 410 u_int16_t ctl, temp; 411 struct axen_qctrl qctrl; 412 413 axen_lock_mii(sc); 414 415 /* XXX: ? */ 416 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_UNK_05, &val); 417 DPRINTFN(5, ("AXEN_CMD_MAC_READ(0x05): 0x%02x\n", val)); 418 419 /* check AX88179 version, UA1 / UA2 */ 420 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_GENERAL_STATUS, &val); 421 /* UA1 */ 422 if (!(val & AXEN_GENERAL_STATUS_MASK)) { 423 sc->axen_rev = AXEN_REV_UA1; 424 DPRINTF(("AX88179 ver. UA1\n")); 425 } else { 426 sc->axen_rev = AXEN_REV_UA2; 427 DPRINTF(("AX88179 ver. UA2\n")); 428 } 429 430 /* power up ethernet PHY */ 431 USETW(wval, 0); 432 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); 433 434 USETW(wval, AXEN_PHYPWR_RSTCTL_IPRL); 435 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); 436 usbd_delay_ms(sc->axen_udev, 200); 437 438 /* set clock mode */ 439 val = AXEN_PHYCLK_ACS | AXEN_PHYCLK_BCS; 440 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); 441 usbd_delay_ms(sc->axen_udev, 100); 442 443 /* set monitor mode (disable) */ 444 val = AXEN_MONITOR_NONE; 445 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); 446 447 /* enable auto detach */ 448 axen_cmd(sc, AXEN_CMD_EEPROM_READ, 2, AXEN_EEPROM_STAT, &wval); 449 temp = UGETW(wval); 450 DPRINTFN(2,("EEPROM0x43 = 0x%04x\n", temp)); 451 if (!(temp == 0xffff) && !(temp & 0x0100)) { 452 /* Enable auto detach bit */ 453 val = 0; 454 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); 455 val = AXEN_PHYCLK_ULR; 456 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); 457 usbd_delay_ms(sc->axen_udev, 100); 458 459 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_PHYPWR_RSTCTL, &wval); 460 ctl = UGETW(wval); 461 ctl |= AXEN_PHYPWR_RSTCTL_AUTODETACH; 462 USETW(wval, ctl); 463 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); 464 usbd_delay_ms(sc->axen_udev, 200); 465 printf("enable auto detach (0x%04x)\n", ctl); 466 } 467 468 /* bulkin queue setting */ 469 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_USB_UPLINK, &val); 470 switch (val) { 471 case AXEN_USB_FS: 472 DPRINTF(("uplink: USB1.1\n")); 473 qctrl.ctrl = 0x07; 474 qctrl.timer_low = 0xcc; 475 qctrl.timer_high= 0x4c; 476 qctrl.bufsize = AXEN_BUFSZ_LS - 1; 477 qctrl.ifg = 0x08; 478 break; 479 case AXEN_USB_HS: 480 DPRINTF(("uplink: USB2.0\n")); 481 qctrl.ctrl = 0x07; 482 qctrl.timer_low = 0x02; 483 qctrl.timer_high= 0xa0; 484 qctrl.bufsize = AXEN_BUFSZ_HS - 1; 485 qctrl.ifg = 0xff; 486 break; 487 case AXEN_USB_SS: 488 DPRINTF(("uplink: USB3.0\n")); 489 qctrl.ctrl = 0x07; 490 qctrl.timer_low = 0x4f; 491 qctrl.timer_high= 0x00; 492 qctrl.bufsize = AXEN_BUFSZ_SS - 1; 493 qctrl.ifg = 0xff; 494 break; 495 default: 496 printf("unknown uplink bus:0x%02x\n", val); 497 axen_unlock_mii(sc); 498 return; 499 } 500 axen_cmd(sc, AXEN_CMD_MAC_SET_RXSR, 5, AXEN_RX_BULKIN_QCTRL, &qctrl); 501 502 /* 503 * set buffer high/low watermark to pause/resume. 504 * write 2byte will set high/log simultaneous with AXEN_PAUSE_HIGH. 505 * XXX: what is the best value? OSX driver uses 0x3c-0x4c as LOW-HIGH 506 * watermark parameters. 507 */ 508 val = 0x34; 509 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_LOW_WATERMARK, &val); 510 val = 0x52; 511 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_HIGH_WATERMARK, &val); 512 513 /* Set RX/TX configuration. */ 514 /* Offloadng enable */ 515 #ifdef AXEN_TOE 516 val = AXEN_RXCOE_IPv4 | AXEN_RXCOE_TCPv4 | AXEN_RXCOE_UDPv4 | 517 AXEN_RXCOE_TCPv6 | AXEN_RXCOE_UDPv6; 518 #else 519 val = AXEN_RXCOE_OFF; 520 #endif 521 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_RX_COE, &val); 522 523 #ifdef AXEN_TOE 524 val = AXEN_TXCOE_IPv4 | AXEN_TXCOE_TCPv4 | AXEN_TXCOE_UDPv4 | 525 AXEN_TXCOE_TCPv6 | AXEN_TXCOE_UDPv6; 526 #else 527 val = AXEN_TXCOE_OFF; 528 #endif 529 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_TX_COE, &val); 530 531 /* Set RX control register */ 532 ctl = AXEN_RXCTL_IPE | AXEN_RXCTL_DROPCRCERR | AXEN_RXCTL_AUTOB; 533 ctl |= AXEN_RXCTL_ACPT_PHY_MCAST | AXEN_RXCTL_ACPT_ALL_MCAST; 534 ctl |= AXEN_RXCTL_START; 535 USETW(wval, ctl); 536 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 537 538 /* set monitor mode (enable) */ 539 val = AXEN_MONITOR_PMETYPE | AXEN_MONITOR_PMEPOL | AXEN_MONITOR_RWMP; 540 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); 541 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MONITOR_MODE, &val); 542 DPRINTF(("axen: Monitor mode = 0x%02x\n", val)); 543 544 /* set medium type */ 545 ctl = AXEN_MEDIUM_GIGA | AXEN_MEDIUM_FDX | AXEN_MEDIUM_ALWAYS_ONE | 546 AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN; 547 ctl |= AXEN_MEDIUM_RECV_EN; 548 USETW(wval, ctl); 549 DPRINTF(("axen: set to medium mode: 0x%04x\n", UGETW(wval))); 550 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); 551 usbd_delay_ms(sc->axen_udev, 100); 552 553 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MEDIUM_STATUS, &wval); 554 DPRINTF(("axen: current medium mode: 0x%04x\n", UGETW(wval))); 555 axen_unlock_mii(sc); 556 557 #if 0 /* XXX: TBD.... */ 558 #define GMII_LED_ACTIVE 0x1a 559 #define GMII_PHY_PAGE_SEL 0x1e 560 #define GMII_PHY_PAGE_SEL 0x1f 561 #define GMII_PAGE_EXT 0x0007 562 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE_SEL, 563 GMII_PAGE_EXT); 564 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE, 565 0x002c); 566 #endif 567 568 #if 1 /* XXX: phy hack ? */ 569 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x1F, 0x0005); 570 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x0C, 0x0000); 571 val = axen_miibus_readreg(&sc->axen_dev, sc->axen_phyno, 0x0001); 572 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x01, 573 val | 0x0080); 574 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x1F, 0x0000); 575 #endif 576 } 577 578 int 579 axen_match(struct device *parent, void *match, void *aux) 580 { 581 struct usb_attach_arg *uaa = aux; 582 583 if (uaa->iface == NULL || uaa->configno != 1) 584 return (UMATCH_NONE); 585 586 return (axen_lookup(uaa->vendor, uaa->product) != NULL ? 587 UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE); 588 } 589 590 void 591 axen_attach(struct device *parent, struct device *self, void *aux) 592 { 593 struct axen_softc *sc = (struct axen_softc *)self; 594 struct usb_attach_arg *uaa = aux; 595 usb_interface_descriptor_t *id; 596 usb_endpoint_descriptor_t *ed; 597 struct mii_data *mii; 598 u_char eaddr[ETHER_ADDR_LEN]; 599 char *devname = sc->axen_dev.dv_xname; 600 struct ifnet *ifp; 601 int i, s; 602 603 sc->axen_unit = self->dv_unit; /*device_get_unit(self);*/ 604 sc->axen_udev = uaa->device; 605 sc->axen_iface = uaa->iface; 606 sc->axen_flags = axen_lookup(uaa->vendor, uaa->product)->axen_flags; 607 608 usb_init_task(&sc->axen_tick_task, axen_tick_task, sc, 609 USB_TASK_TYPE_GENERIC); 610 rw_init(&sc->axen_mii_lock, "axenmii"); 611 usb_init_task(&sc->axen_stop_task, (void (*)(void *))axen_stop, sc, 612 USB_TASK_TYPE_GENERIC); 613 614 sc->axen_product = uaa->product; 615 sc->axen_vendor = uaa->vendor; 616 617 id = usbd_get_interface_descriptor(sc->axen_iface); 618 619 /* decide on what our bufsize will be */ 620 switch (sc->axen_udev->speed) { 621 case USB_SPEED_FULL: 622 sc->axen_bufsz = AXEN_BUFSZ_LS * 1024; 623 break; 624 case USB_SPEED_HIGH: 625 sc->axen_bufsz = AXEN_BUFSZ_HS * 1024; 626 break; 627 case USB_SPEED_SUPER: 628 sc->axen_bufsz = AXEN_BUFSZ_SS * 1024; 629 break; 630 default: 631 printf("%s: not supported usb bus type", sc->axen_dev.dv_xname); 632 return; 633 } 634 635 /* Find endpoints. */ 636 for (i = 0; i < id->bNumEndpoints; i++) { 637 ed = usbd_interface2endpoint_descriptor(sc->axen_iface, i); 638 if (!ed) { 639 printf("%s: couldn't get ep %d\n", 640 sc->axen_dev.dv_xname, i); 641 return; 642 } 643 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 644 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 645 sc->axen_ed[AXEN_ENDPT_RX] = ed->bEndpointAddress; 646 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 647 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 648 sc->axen_ed[AXEN_ENDPT_TX] = ed->bEndpointAddress; 649 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 650 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 651 sc->axen_ed[AXEN_ENDPT_INTR] = ed->bEndpointAddress; 652 } 653 } 654 655 s = splnet(); 656 657 sc->axen_phyno = AXEN_PHY_ID; 658 DPRINTF((" get_phyno %d\n", sc->axen_phyno)); 659 660 /* 661 * Get station address. 662 */ 663 /* use MAC command */ 664 axen_lock_mii(sc); 665 axen_cmd(sc, AXEN_CMD_MAC_READ_ETHER, 6, AXEN_CMD_MAC_NODE_ID, &eaddr); 666 axen_unlock_mii(sc); 667 668 axen_ax88179_init(sc); 669 670 /* 671 * An ASIX chip was detected. Inform the world. 672 */ 673 printf("%s:", sc->axen_dev.dv_xname); 674 if (sc->axen_flags & AX178A) 675 printf(" AX88178a"); 676 else if (sc->axen_flags & AX179) 677 printf(" AX88179"); 678 printf(", address %s\n", ether_sprintf(eaddr)); 679 680 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 681 682 /* Initialize interface info. */ 683 ifp = &sc->arpcom.ac_if; 684 ifp->if_softc = sc; 685 strlcpy(ifp->if_xname, devname, IFNAMSIZ); 686 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 687 ifp->if_ioctl = axen_ioctl; 688 ifp->if_start = axen_start; 689 ifp->if_watchdog = axen_watchdog; 690 691 ifp->if_capabilities = IFCAP_VLAN_MTU; 692 #ifdef AXEN_TOE 693 ifp->if_capabilities |= IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | 694 IFCAP_CSUM_UDPv4 | IFCAP_CSUM_TCPv6 | IFCAP_CSUM_UDPv6; 695 #endif 696 697 /* Initialize MII/media info. */ 698 mii = &sc->axen_mii; 699 mii->mii_ifp = ifp; 700 mii->mii_readreg = axen_miibus_readreg; 701 mii->mii_writereg = axen_miibus_writereg; 702 mii->mii_statchg = axen_miibus_statchg; 703 mii->mii_flags = MIIF_AUTOTSLEEP; 704 705 ifmedia_init(&mii->mii_media, 0, axen_ifmedia_upd, axen_ifmedia_sts); 706 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 707 708 if (LIST_FIRST(&mii->mii_phys) == NULL) { 709 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 710 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 711 } else 712 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 713 714 /* Attach the interface. */ 715 if_attach(ifp); 716 ether_ifattach(ifp); 717 718 timeout_set(&sc->axen_stat_ch, axen_tick, sc); 719 720 splx(s); 721 } 722 723 int 724 axen_detach(struct device *self, int flags) 725 { 726 struct axen_softc *sc = (struct axen_softc *)self; 727 int s; 728 struct ifnet *ifp = GET_IFP(sc); 729 730 DPRINTFN(2,("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 731 732 if (timeout_initialized(&sc->axen_stat_ch)) 733 timeout_del(&sc->axen_stat_ch); 734 735 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) 736 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 737 if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) 738 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 739 if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) 740 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 741 742 /* 743 * Remove any pending tasks. They cannot be executing because they run 744 * in the same thread as detach. 745 */ 746 usb_rem_task(sc->axen_udev, &sc->axen_tick_task); 747 usb_rem_task(sc->axen_udev, &sc->axen_stop_task); 748 749 s = splusb(); 750 751 if (--sc->axen_refcnt >= 0) { 752 /* Wait for processes to go away */ 753 usb_detach_wait(&sc->axen_dev); 754 } 755 756 if (ifp->if_flags & IFF_RUNNING) 757 axen_stop(sc); 758 759 mii_detach(&sc->axen_mii, MII_PHY_ANY, MII_OFFSET_ANY); 760 ifmedia_delete_instance(&sc->axen_mii.mii_media, IFM_INST_ANY); 761 if (ifp->if_softc != NULL) { 762 ether_ifdetach(ifp); 763 if_detach(ifp); 764 } 765 766 #ifdef DIAGNOSTIC 767 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL || 768 sc->axen_ep[AXEN_ENDPT_RX] != NULL || 769 sc->axen_ep[AXEN_ENDPT_INTR] != NULL) 770 printf("%s: detach has active endpoints\n", 771 sc->axen_dev.dv_xname); 772 #endif 773 774 if (--sc->axen_refcnt >= 0) { 775 /* Wait for processes to go away. */ 776 usb_detach_wait(&sc->axen_dev); 777 } 778 splx(s); 779 780 return 0; 781 } 782 783 struct mbuf * 784 axen_newbuf(void) 785 { 786 struct mbuf *m; 787 788 MGETHDR(m, M_DONTWAIT, MT_DATA); 789 if (m == NULL) 790 return NULL; 791 792 MCLGET(m, M_DONTWAIT); 793 if (!(m->m_flags & M_EXT)) { 794 m_freem(m); 795 return NULL; 796 } 797 798 m->m_len = m->m_pkthdr.len = MCLBYTES; 799 m_adj(m, ETHER_ALIGN); 800 801 return m; 802 } 803 804 int 805 axen_rx_list_init(struct axen_softc *sc) 806 { 807 struct axen_cdata *cd; 808 struct axen_chain *c; 809 int i; 810 811 DPRINTF(("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 812 813 cd = &sc->axen_cdata; 814 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 815 c = &cd->axen_rx_chain[i]; 816 c->axen_sc = sc; 817 c->axen_idx = i; 818 c->axen_mbuf = NULL; 819 if (c->axen_xfer == NULL) { 820 c->axen_xfer = usbd_alloc_xfer(sc->axen_udev); 821 if (c->axen_xfer == NULL) 822 return ENOBUFS; 823 c->axen_buf = usbd_alloc_buffer(c->axen_xfer, 824 sc->axen_bufsz); 825 if (c->axen_buf == NULL) { 826 usbd_free_xfer(c->axen_xfer); 827 return ENOBUFS; 828 } 829 } 830 } 831 832 return 0; 833 } 834 835 int 836 axen_tx_list_init(struct axen_softc *sc) 837 { 838 struct axen_cdata *cd; 839 struct axen_chain *c; 840 int i; 841 842 DPRINTF(("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 843 844 cd = &sc->axen_cdata; 845 for (i = 0; i < AXEN_TX_LIST_CNT; i++) { 846 c = &cd->axen_tx_chain[i]; 847 c->axen_sc = sc; 848 c->axen_idx = i; 849 c->axen_mbuf = NULL; 850 if (c->axen_xfer == NULL) { 851 c->axen_xfer = usbd_alloc_xfer(sc->axen_udev); 852 if (c->axen_xfer == NULL) 853 return ENOBUFS; 854 c->axen_buf = usbd_alloc_buffer(c->axen_xfer, 855 sc->axen_bufsz); 856 if (c->axen_buf == NULL) { 857 usbd_free_xfer(c->axen_xfer); 858 return ENOBUFS; 859 } 860 } 861 } 862 863 return 0; 864 } 865 866 /* 867 * A frame has been uploaded: pass the resulting mbuf chain up to 868 * the higher level protocols. 869 */ 870 void 871 axen_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 872 { 873 struct axen_chain *c = (struct axen_chain *)priv; 874 struct axen_softc *sc = c->axen_sc; 875 struct ifnet *ifp = GET_IFP(sc); 876 u_char *buf = c->axen_buf; 877 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 878 struct mbuf *m; 879 u_int32_t total_len; 880 u_int32_t rx_hdr, pkt_hdr; 881 u_int32_t *hdr_p; 882 u_int16_t hdr_offset, pkt_count; 883 size_t pkt_len; 884 size_t temp; 885 int s; 886 887 DPRINTFN(10,("%s: %s: enter\n", sc->axen_dev.dv_xname,__func__)); 888 889 if (usbd_is_dying(sc->axen_udev)) 890 return; 891 892 if (!(ifp->if_flags & IFF_RUNNING)) 893 return; 894 895 if (status != USBD_NORMAL_COMPLETION) { 896 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 897 return; 898 if (usbd_ratecheck(&sc->axen_rx_notice)) { 899 printf("%s: usb errors on rx: %s\n", 900 sc->axen_dev.dv_xname, usbd_errstr(status)); 901 } 902 if (status == USBD_STALLED) 903 usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_RX]); 904 goto done; 905 } 906 907 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 908 909 if (total_len < sizeof(pkt_hdr)) { 910 ifp->if_ierrors++; 911 goto done; 912 } 913 914 /* 915 * buffer map 916 * [packet #0]...[packet #n][pkt hdr#0]..[pkt hdr#n][recv_hdr] 917 * each packet has 0xeeee as psuedo header.. 918 */ 919 hdr_p = (u_int32_t *)(buf + total_len - sizeof(u_int32_t)); 920 rx_hdr = letoh32(*hdr_p); 921 hdr_offset = (u_int16_t)(rx_hdr >> 16); 922 pkt_count = (u_int16_t)(rx_hdr & 0xffff); 923 924 if (total_len > sc->axen_bufsz) { 925 printf("rxeof: too large transfer\n"); 926 goto done; 927 } 928 929 /* sanity check */ 930 if (hdr_offset > total_len) { 931 ifp->if_ierrors++; 932 usbd_delay_ms(sc->axen_udev, 100); 933 goto done; 934 } 935 936 /* point first packet header */ 937 hdr_p = (u_int32_t*)(buf + hdr_offset); 938 939 /* 940 * ax88179 will pack multiple ip packet to a USB transaction. 941 * process all of packets in the buffer 942 */ 943 944 #if 1 /* XXX: paranoiac check. need to remove later */ 945 #define AXEN_MAX_PACKED_PACKET 200 946 if (pkt_count > AXEN_MAX_PACKED_PACKET) { 947 DPRINTF(("Too many packets (%d) in a transaction, discard.\n", 948 pkt_count)); 949 goto done; 950 } 951 #endif 952 953 do { 954 if ((buf[0] != 0xee) || (buf[1] != 0xee)){ 955 printf("invalid buffer(pkt#%d), continue\n", pkt_count); 956 ifp->if_ierrors += pkt_count; 957 goto done; 958 } 959 960 pkt_hdr = letoh32(*hdr_p); 961 pkt_len = (pkt_hdr >> 16) & 0x1fff; 962 963 DPRINTFN(10,("rxeof: packet#%d, pkt_hdr 0x%08x, pkt_len %zu\n", 964 pkt_count, pkt_hdr, pkt_len)); 965 966 if ((pkt_hdr & AXEN_RXHDR_CRC_ERR) || 967 (pkt_hdr & AXEN_RXHDR_DROP_ERR)) { 968 ifp->if_ierrors++; 969 /* move to next pkt header */ 970 DPRINTF(("crc err(pkt#%d)\n", pkt_count)); 971 goto nextpkt; 972 } 973 974 /* process each packet */ 975 /* allocate mbuf */ 976 m = axen_newbuf(); 977 if (m == NULL) { 978 ifp->if_ierrors++; 979 goto nextpkt; 980 } 981 982 /* skip pseudo header (2byte) and trailer padding (4Byte) */ 983 m->m_pkthdr.len = m->m_len = pkt_len - 6; 984 985 #ifdef AXEN_TOE 986 /* cheksum err */ 987 if ((pkt_hdr & AXEN_RXHDR_L3CSUM_ERR) || 988 (pkt_hdr & AXEN_RXHDR_L4CSUM_ERR)) { 989 printf("checksum err (pkt#%d)\n", pkt_count); 990 goto nextpkt; 991 } else { 992 m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK; 993 } 994 995 int l4_type; 996 l4_type = (pkt_hdr & AXEN_RXHDR_L4_TYPE_MASK) >> 997 AXEN_RXHDR_L4_TYPE_OFFSET; 998 999 if ((l4_type == AXEN_RXHDR_L4_TYPE_TCP) || 1000 (l4_type == AXEN_RXHDR_L4_TYPE_UDP)) 1001 m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK | 1002 M_UDP_CSUM_IN_OK; 1003 #endif 1004 1005 memcpy(mtod(m, char *), buf + 2, pkt_len - 6); 1006 1007 ml_enqueue(&ml, m); 1008 1009 nextpkt: 1010 /* 1011 * prepare next packet 1012 * as each packet will be aligned 8byte boundary, 1013 * need to fix up the start point of the buffer. 1014 */ 1015 temp = ((pkt_len + 7) & 0xfff8); 1016 buf = buf + temp; 1017 hdr_p++; 1018 pkt_count--; 1019 } while( pkt_count > 0); 1020 1021 done: 1022 /* push the packet up */ 1023 s = splnet(); 1024 if_input(ifp, &ml); 1025 splx(s); 1026 1027 /* clear buffer for next transaction */ 1028 memset(c->axen_buf, 0, sc->axen_bufsz); 1029 1030 /* Setup new transfer. */ 1031 usbd_setup_xfer(xfer, sc->axen_ep[AXEN_ENDPT_RX], 1032 c, c->axen_buf, sc->axen_bufsz, 1033 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1034 USBD_NO_TIMEOUT, axen_rxeof); 1035 usbd_transfer(xfer); 1036 1037 DPRINTFN(10,("%s: %s: start rx\n", sc->axen_dev.dv_xname, __func__)); 1038 } 1039 1040 /* 1041 * A frame was downloaded to the chip. It's safe for us to clean up 1042 * the list buffers. 1043 */ 1044 void 1045 axen_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1046 { 1047 struct axen_softc *sc; 1048 struct axen_chain *c; 1049 struct ifnet *ifp; 1050 int s; 1051 1052 c = priv; 1053 sc = c->axen_sc; 1054 ifp = &sc->arpcom.ac_if; 1055 1056 if (usbd_is_dying(sc->axen_udev)) 1057 return; 1058 1059 s = splnet(); 1060 1061 if (status != USBD_NORMAL_COMPLETION) { 1062 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1063 splx(s); 1064 return; 1065 } 1066 ifp->if_oerrors++; 1067 printf("axen%d: usb error on tx: %s\n", sc->axen_unit, 1068 usbd_errstr(status)); 1069 if (status == USBD_STALLED) 1070 usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_TX]); 1071 splx(s); 1072 return; 1073 } 1074 1075 ifp->if_timer = 0; 1076 ifq_clr_oactive(&ifp->if_snd); 1077 1078 m_freem(c->axen_mbuf); 1079 c->axen_mbuf = NULL; 1080 1081 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1082 axen_start(ifp); 1083 1084 ifp->if_opackets++; 1085 splx(s); 1086 } 1087 1088 void 1089 axen_tick(void *xsc) 1090 { 1091 struct axen_softc *sc = xsc; 1092 1093 if (sc == NULL) 1094 return; 1095 1096 DPRINTFN(0xff, ("%s: %s: enter\n", sc->axen_dev.dv_xname, 1097 __func__)); 1098 1099 if (usbd_is_dying(sc->axen_udev)) 1100 return; 1101 1102 /* Perform periodic stuff in process context */ 1103 usb_add_task(sc->axen_udev, &sc->axen_tick_task); 1104 } 1105 1106 void 1107 axen_tick_task(void *xsc) 1108 { 1109 int s; 1110 struct axen_softc *sc; 1111 struct mii_data *mii; 1112 1113 sc = xsc; 1114 1115 if (sc == NULL) 1116 return; 1117 1118 if (usbd_is_dying(sc->axen_udev)) 1119 return; 1120 1121 mii = GET_MII(sc); 1122 if (mii == NULL) 1123 return; 1124 1125 s = splnet(); 1126 1127 mii_tick(mii); 1128 if (sc->axen_link == 0) 1129 axen_miibus_statchg(&sc->axen_dev); 1130 timeout_add_sec(&sc->axen_stat_ch, 1); 1131 1132 splx(s); 1133 } 1134 1135 int 1136 axen_encap(struct axen_softc *sc, struct mbuf *m, int idx) 1137 { 1138 struct axen_chain *c; 1139 usbd_status err; 1140 struct axen_sframe_hdr hdr; 1141 int length, boundary; 1142 1143 c = &sc->axen_cdata.axen_tx_chain[idx]; 1144 1145 switch (sc->axen_udev->speed) { 1146 case USB_SPEED_FULL: 1147 boundary = 64; 1148 break; 1149 case USB_SPEED_HIGH: 1150 boundary = 512; 1151 break; 1152 case USB_SPEED_SUPER: 1153 boundary = 4096; /* XXX */ 1154 break; 1155 default: 1156 printf("%s: not supported usb bus type", sc->axen_dev.dv_xname); 1157 return EIO; 1158 } 1159 1160 hdr.plen = htole32(m->m_pkthdr.len); 1161 hdr.gso = 0; /* disable segmentation offloading */ 1162 1163 memcpy(c->axen_buf, &hdr, sizeof(hdr)); 1164 length = sizeof(hdr); 1165 1166 m_copydata(m, 0, m->m_pkthdr.len, c->axen_buf + length); 1167 length += m->m_pkthdr.len; 1168 1169 if ((length % boundary) == 0) { 1170 hdr.plen = 0x0; 1171 hdr.gso |= 0x80008000; /* enable padding */ 1172 memcpy(c->axen_buf + length, &hdr, sizeof(hdr)); 1173 length += sizeof(hdr); 1174 } 1175 1176 c->axen_mbuf = m; 1177 1178 usbd_setup_xfer(c->axen_xfer, sc->axen_ep[AXEN_ENDPT_TX], 1179 c, c->axen_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1180 10000, axen_txeof); 1181 1182 /* Transmit */ 1183 err = usbd_transfer(c->axen_xfer); 1184 if (err != USBD_IN_PROGRESS) { 1185 axen_stop(sc); 1186 return EIO; 1187 } 1188 1189 sc->axen_cdata.axen_tx_cnt++; 1190 1191 return 0; 1192 } 1193 1194 void 1195 axen_start(struct ifnet *ifp) 1196 { 1197 struct axen_softc *sc; 1198 struct mbuf *m_head = NULL; 1199 1200 sc = ifp->if_softc; 1201 1202 if (!sc->axen_link) 1203 return; 1204 1205 if (ifq_is_oactive(&ifp->if_snd)) 1206 return; 1207 1208 m_head = ifq_deq_begin(&ifp->if_snd); 1209 if (m_head == NULL) 1210 return; 1211 1212 if (axen_encap(sc, m_head, 0)) { 1213 ifq_deq_rollback(&ifp->if_snd, m_head); 1214 ifq_set_oactive(&ifp->if_snd); 1215 return; 1216 } 1217 ifq_deq_commit(&ifp->if_snd, m_head); 1218 1219 /* 1220 * If there's a BPF listener, bounce a copy of this frame 1221 * to him. 1222 */ 1223 #if NBPFILTER > 0 1224 if (ifp->if_bpf) 1225 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1226 #endif 1227 1228 ifq_set_oactive(&ifp->if_snd); 1229 1230 /* 1231 * Set a timeout in case the chip goes out to lunch. 1232 */ 1233 ifp->if_timer = 5; 1234 } 1235 1236 void 1237 axen_init(void *xsc) 1238 { 1239 struct axen_softc *sc = xsc; 1240 struct ifnet *ifp = &sc->arpcom.ac_if; 1241 struct axen_chain *c; 1242 usbd_status err; 1243 int i, s; 1244 uByte bval; 1245 uWord wval; 1246 uint16_t rxmode; 1247 1248 s = splnet(); 1249 1250 /* 1251 * Cancel pending I/O and free all RX/TX buffers. 1252 */ 1253 axen_reset(sc); 1254 1255 /* XXX: ? */ 1256 bval = 0x01; 1257 axen_lock_mii(sc); 1258 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_UNK_28, &bval); 1259 axen_unlock_mii(sc); 1260 1261 /* Init RX ring. */ 1262 if (axen_rx_list_init(sc) == ENOBUFS) { 1263 printf("axen%d: rx list init failed\n", sc->axen_unit); 1264 splx(s); 1265 return; 1266 } 1267 1268 /* Init TX ring. */ 1269 if (axen_tx_list_init(sc) == ENOBUFS) { 1270 printf("axen%d: tx list init failed\n", sc->axen_unit); 1271 splx(s); 1272 return; 1273 } 1274 1275 /* Program promiscuous mode and multicast filters. */ 1276 axen_iff(sc); 1277 1278 /* Enable receiver, set RX mode */ 1279 axen_lock_mii(sc); 1280 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); 1281 rxmode = UGETW(wval); 1282 rxmode |= AXEN_RXCTL_START; 1283 USETW(wval, rxmode); 1284 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 1285 axen_unlock_mii(sc); 1286 1287 /* Open RX and TX pipes. */ 1288 err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_RX], 1289 USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_RX]); 1290 if (err) { 1291 printf("axen%d: open rx pipe failed: %s\n", 1292 sc->axen_unit, usbd_errstr(err)); 1293 splx(s); 1294 return; 1295 } 1296 1297 err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_TX], 1298 USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_TX]); 1299 if (err) { 1300 printf("axen%d: open tx pipe failed: %s\n", 1301 sc->axen_unit, usbd_errstr(err)); 1302 splx(s); 1303 return; 1304 } 1305 1306 /* Start up the receive pipe. */ 1307 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 1308 c = &sc->axen_cdata.axen_rx_chain[i]; 1309 usbd_setup_xfer(c->axen_xfer, sc->axen_ep[AXEN_ENDPT_RX], 1310 c, c->axen_buf, sc->axen_bufsz, 1311 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1312 USBD_NO_TIMEOUT, axen_rxeof); 1313 usbd_transfer(c->axen_xfer); 1314 } 1315 1316 sc->axen_link = 0; 1317 ifp->if_flags |= IFF_RUNNING; 1318 ifq_clr_oactive(&ifp->if_snd); 1319 1320 splx(s); 1321 1322 timeout_add_sec(&sc->axen_stat_ch, 1); 1323 return; 1324 } 1325 1326 int 1327 axen_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1328 { 1329 struct axen_softc *sc = ifp->if_softc; 1330 struct ifreq *ifr = (struct ifreq *)data; 1331 int s; 1332 int error = 0; 1333 1334 s = splnet(); 1335 1336 switch(cmd) { 1337 case SIOCSIFADDR: 1338 ifp->if_flags |= IFF_UP; 1339 if (!(ifp->if_flags & IFF_RUNNING)) 1340 axen_init(sc); 1341 break; 1342 1343 case SIOCSIFFLAGS: 1344 if (ifp->if_flags & IFF_UP) { 1345 if (ifp->if_flags & IFF_RUNNING) 1346 error = ENETRESET; 1347 else 1348 axen_init(sc); 1349 } else { 1350 if (ifp->if_flags & IFF_RUNNING) 1351 axen_stop(sc); 1352 } 1353 break; 1354 1355 case SIOCGIFMEDIA: 1356 case SIOCSIFMEDIA: 1357 error = ifmedia_ioctl(ifp, ifr, &sc->axen_mii.mii_media, cmd); 1358 break; 1359 1360 #if 0 1361 case SCIOCSIFMTU: 1362 /* XXX need to set AX_MEDIUM_JUMBO_EN here? */ 1363 /* fall through */ 1364 #endif 1365 default: 1366 error = ether_ioctl(ifp, &sc->arpcom, cmd, data); 1367 } 1368 1369 if (error == ENETRESET) { 1370 if (ifp->if_flags & IFF_RUNNING) 1371 axen_iff(sc); 1372 error = 0; 1373 } 1374 1375 splx(s); 1376 1377 return error; 1378 } 1379 1380 void 1381 axen_watchdog(struct ifnet *ifp) 1382 { 1383 struct axen_softc *sc; 1384 struct axen_chain *c; 1385 usbd_status stat; 1386 int s; 1387 1388 sc = ifp->if_softc; 1389 1390 ifp->if_oerrors++; 1391 printf("axen%d: watchdog timeout\n", sc->axen_unit); 1392 1393 s = splusb(); 1394 c = &sc->axen_cdata.axen_tx_chain[0]; 1395 usbd_get_xfer_status(c->axen_xfer, NULL, NULL, NULL, &stat); 1396 axen_txeof(c->axen_xfer, c, stat); 1397 1398 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1399 axen_start(ifp); 1400 splx(s); 1401 } 1402 1403 /* 1404 * Stop the adapter and free any mbufs allocated to the 1405 * RX and TX lists. 1406 */ 1407 void 1408 axen_stop(struct axen_softc *sc) 1409 { 1410 usbd_status err; 1411 struct ifnet *ifp; 1412 int i; 1413 1414 axen_reset(sc); 1415 1416 ifp = &sc->arpcom.ac_if; 1417 ifp->if_timer = 0; 1418 ifp->if_flags &= ~IFF_RUNNING; 1419 ifq_clr_oactive(&ifp->if_snd); 1420 1421 timeout_del(&sc->axen_stat_ch); 1422 1423 /* Stop transfers. */ 1424 if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { 1425 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 1426 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 1427 if (err) { 1428 printf("axen%d: close rx pipe failed: %s\n", 1429 sc->axen_unit, usbd_errstr(err)); 1430 } 1431 sc->axen_ep[AXEN_ENDPT_RX] = NULL; 1432 } 1433 1434 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { 1435 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 1436 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 1437 if (err) { 1438 printf("axen%d: close tx pipe failed: %s\n", 1439 sc->axen_unit, usbd_errstr(err)); 1440 } 1441 sc->axen_ep[AXEN_ENDPT_TX] = NULL; 1442 } 1443 1444 if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { 1445 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 1446 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 1447 if (err) { 1448 printf("axen%d: close intr pipe failed: %s\n", 1449 sc->axen_unit, usbd_errstr(err)); 1450 } 1451 sc->axen_ep[AXEN_ENDPT_INTR] = NULL; 1452 } 1453 1454 /* Free RX resources. */ 1455 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 1456 if (sc->axen_cdata.axen_rx_chain[i].axen_mbuf != NULL) { 1457 m_freem(sc->axen_cdata.axen_rx_chain[i].axen_mbuf); 1458 sc->axen_cdata.axen_rx_chain[i].axen_mbuf = NULL; 1459 } 1460 if (sc->axen_cdata.axen_rx_chain[i].axen_xfer != NULL) { 1461 usbd_free_xfer(sc->axen_cdata.axen_rx_chain[i].axen_xfer); 1462 sc->axen_cdata.axen_rx_chain[i].axen_xfer = NULL; 1463 } 1464 } 1465 1466 /* Free TX resources. */ 1467 for (i = 0; i < AXEN_TX_LIST_CNT; i++) { 1468 1469 if (sc->axen_cdata.axen_tx_chain[i].axen_mbuf != NULL) { 1470 m_freem(sc->axen_cdata.axen_tx_chain[i].axen_mbuf); 1471 sc->axen_cdata.axen_tx_chain[i].axen_mbuf = NULL; 1472 } 1473 if (sc->axen_cdata.axen_tx_chain[i].axen_xfer != NULL) { 1474 usbd_free_xfer(sc->axen_cdata.axen_tx_chain[i].axen_xfer); 1475 sc->axen_cdata.axen_tx_chain[i].axen_xfer = NULL; 1476 } 1477 } 1478 1479 sc->axen_link = 0; 1480 } 1481