1 /* $OpenBSD: if_axen.c,v 1.23 2016/09/14 12:41:09 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 /* Set MAC address. */ 503 axen_cmd(sc, AXEN_CMD_MAC_WRITE_ETHER, ETHER_ADDR_LEN, 504 AXEN_CMD_MAC_NODE_ID, &sc->arpcom.ac_enaddr); 505 506 /* 507 * set buffer high/low watermark to pause/resume. 508 * write 2byte will set high/log simultaneous with AXEN_PAUSE_HIGH. 509 * XXX: what is the best value? OSX driver uses 0x3c-0x4c as LOW-HIGH 510 * watermark parameters. 511 */ 512 val = 0x34; 513 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_LOW_WATERMARK, &val); 514 val = 0x52; 515 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_HIGH_WATERMARK, &val); 516 517 /* Set RX/TX configuration. */ 518 /* Offloadng enable */ 519 #ifdef AXEN_TOE 520 val = AXEN_RXCOE_IPv4 | AXEN_RXCOE_TCPv4 | AXEN_RXCOE_UDPv4 | 521 AXEN_RXCOE_TCPv6 | AXEN_RXCOE_UDPv6; 522 #else 523 val = AXEN_RXCOE_OFF; 524 #endif 525 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_RX_COE, &val); 526 527 #ifdef AXEN_TOE 528 val = AXEN_TXCOE_IPv4 | AXEN_TXCOE_TCPv4 | AXEN_TXCOE_UDPv4 | 529 AXEN_TXCOE_TCPv6 | AXEN_TXCOE_UDPv6; 530 #else 531 val = AXEN_TXCOE_OFF; 532 #endif 533 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_TX_COE, &val); 534 535 /* Set RX control register */ 536 ctl = AXEN_RXCTL_IPE | AXEN_RXCTL_DROPCRCERR | AXEN_RXCTL_AUTOB; 537 ctl |= AXEN_RXCTL_ACPT_PHY_MCAST | AXEN_RXCTL_ACPT_ALL_MCAST; 538 ctl |= AXEN_RXCTL_START; 539 USETW(wval, ctl); 540 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 541 542 /* set monitor mode (enable) */ 543 val = AXEN_MONITOR_PMETYPE | AXEN_MONITOR_PMEPOL | AXEN_MONITOR_RWMP; 544 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); 545 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MONITOR_MODE, &val); 546 DPRINTF(("axen: Monitor mode = 0x%02x\n", val)); 547 548 /* set medium type */ 549 ctl = AXEN_MEDIUM_GIGA | AXEN_MEDIUM_FDX | AXEN_MEDIUM_ALWAYS_ONE | 550 AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN; 551 ctl |= AXEN_MEDIUM_RECV_EN; 552 USETW(wval, ctl); 553 DPRINTF(("axen: set to medium mode: 0x%04x\n", UGETW(wval))); 554 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); 555 usbd_delay_ms(sc->axen_udev, 100); 556 557 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MEDIUM_STATUS, &wval); 558 DPRINTF(("axen: current medium mode: 0x%04x\n", UGETW(wval))); 559 axen_unlock_mii(sc); 560 561 #if 0 /* XXX: TBD.... */ 562 #define GMII_LED_ACTIVE 0x1a 563 #define GMII_PHY_PAGE_SEL 0x1e 564 #define GMII_PHY_PAGE_SEL 0x1f 565 #define GMII_PAGE_EXT 0x0007 566 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE_SEL, 567 GMII_PAGE_EXT); 568 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE, 569 0x002c); 570 #endif 571 572 #if 1 /* XXX: phy hack ? */ 573 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x1F, 0x0005); 574 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x0C, 0x0000); 575 val = axen_miibus_readreg(&sc->axen_dev, sc->axen_phyno, 0x0001); 576 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x01, 577 val | 0x0080); 578 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x1F, 0x0000); 579 #endif 580 } 581 582 int 583 axen_match(struct device *parent, void *match, void *aux) 584 { 585 struct usb_attach_arg *uaa = aux; 586 587 if (uaa->iface == NULL || uaa->configno != 1) 588 return (UMATCH_NONE); 589 590 return (axen_lookup(uaa->vendor, uaa->product) != NULL ? 591 UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE); 592 } 593 594 void 595 axen_attach(struct device *parent, struct device *self, void *aux) 596 { 597 struct axen_softc *sc = (struct axen_softc *)self; 598 struct usb_attach_arg *uaa = aux; 599 usb_interface_descriptor_t *id; 600 usb_endpoint_descriptor_t *ed; 601 struct mii_data *mii; 602 u_char eaddr[ETHER_ADDR_LEN]; 603 char *devname = sc->axen_dev.dv_xname; 604 struct ifnet *ifp; 605 int i, s; 606 607 sc->axen_unit = self->dv_unit; /*device_get_unit(self);*/ 608 sc->axen_udev = uaa->device; 609 sc->axen_iface = uaa->iface; 610 sc->axen_flags = axen_lookup(uaa->vendor, uaa->product)->axen_flags; 611 612 usb_init_task(&sc->axen_tick_task, axen_tick_task, sc, 613 USB_TASK_TYPE_GENERIC); 614 rw_init(&sc->axen_mii_lock, "axenmii"); 615 usb_init_task(&sc->axen_stop_task, (void (*)(void *))axen_stop, sc, 616 USB_TASK_TYPE_GENERIC); 617 618 sc->axen_product = uaa->product; 619 sc->axen_vendor = uaa->vendor; 620 621 id = usbd_get_interface_descriptor(sc->axen_iface); 622 623 /* decide on what our bufsize will be */ 624 switch (sc->axen_udev->speed) { 625 case USB_SPEED_FULL: 626 sc->axen_bufsz = AXEN_BUFSZ_LS * 1024; 627 break; 628 case USB_SPEED_HIGH: 629 sc->axen_bufsz = AXEN_BUFSZ_HS * 1024; 630 break; 631 case USB_SPEED_SUPER: 632 sc->axen_bufsz = AXEN_BUFSZ_SS * 1024; 633 break; 634 default: 635 printf("%s: not supported usb bus type", sc->axen_dev.dv_xname); 636 return; 637 } 638 639 /* Find endpoints. */ 640 for (i = 0; i < id->bNumEndpoints; i++) { 641 ed = usbd_interface2endpoint_descriptor(sc->axen_iface, i); 642 if (!ed) { 643 printf("%s: couldn't get ep %d\n", 644 sc->axen_dev.dv_xname, i); 645 return; 646 } 647 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 648 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 649 sc->axen_ed[AXEN_ENDPT_RX] = ed->bEndpointAddress; 650 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 651 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 652 sc->axen_ed[AXEN_ENDPT_TX] = ed->bEndpointAddress; 653 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 654 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 655 sc->axen_ed[AXEN_ENDPT_INTR] = ed->bEndpointAddress; 656 } 657 } 658 659 s = splnet(); 660 661 sc->axen_phyno = AXEN_PHY_ID; 662 DPRINTF((" get_phyno %d\n", sc->axen_phyno)); 663 664 /* 665 * Get station address. 666 */ 667 /* use MAC command */ 668 axen_lock_mii(sc); 669 axen_cmd(sc, AXEN_CMD_MAC_READ_ETHER, ETHER_ADDR_LEN, 670 AXEN_CMD_MAC_NODE_ID, &eaddr); 671 axen_unlock_mii(sc); 672 673 /* 674 * An ASIX chip was detected. Inform the world. 675 */ 676 printf("%s:", sc->axen_dev.dv_xname); 677 if (sc->axen_flags & AX178A) 678 printf(" AX88178a"); 679 else if (sc->axen_flags & AX179) 680 printf(" AX88179"); 681 printf(", address %s\n", ether_sprintf(eaddr)); 682 683 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 684 685 axen_ax88179_init(sc); 686 687 /* Initialize interface info. */ 688 ifp = &sc->arpcom.ac_if; 689 ifp->if_softc = sc; 690 strlcpy(ifp->if_xname, devname, IFNAMSIZ); 691 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 692 ifp->if_ioctl = axen_ioctl; 693 ifp->if_start = axen_start; 694 ifp->if_watchdog = axen_watchdog; 695 696 ifp->if_capabilities = IFCAP_VLAN_MTU; 697 #ifdef AXEN_TOE 698 ifp->if_capabilities |= IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | 699 IFCAP_CSUM_UDPv4 | IFCAP_CSUM_TCPv6 | IFCAP_CSUM_UDPv6; 700 #endif 701 702 /* Initialize MII/media info. */ 703 mii = &sc->axen_mii; 704 mii->mii_ifp = ifp; 705 mii->mii_readreg = axen_miibus_readreg; 706 mii->mii_writereg = axen_miibus_writereg; 707 mii->mii_statchg = axen_miibus_statchg; 708 mii->mii_flags = MIIF_AUTOTSLEEP; 709 710 ifmedia_init(&mii->mii_media, 0, axen_ifmedia_upd, axen_ifmedia_sts); 711 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 712 713 if (LIST_FIRST(&mii->mii_phys) == NULL) { 714 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 715 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 716 } else 717 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 718 719 /* Attach the interface. */ 720 if_attach(ifp); 721 ether_ifattach(ifp); 722 723 timeout_set(&sc->axen_stat_ch, axen_tick, sc); 724 725 splx(s); 726 } 727 728 int 729 axen_detach(struct device *self, int flags) 730 { 731 struct axen_softc *sc = (struct axen_softc *)self; 732 int s; 733 struct ifnet *ifp = GET_IFP(sc); 734 735 DPRINTFN(2,("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 736 737 if (timeout_initialized(&sc->axen_stat_ch)) 738 timeout_del(&sc->axen_stat_ch); 739 740 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) 741 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 742 if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) 743 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 744 if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) 745 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 746 747 /* 748 * Remove any pending tasks. They cannot be executing because they run 749 * in the same thread as detach. 750 */ 751 usb_rem_task(sc->axen_udev, &sc->axen_tick_task); 752 usb_rem_task(sc->axen_udev, &sc->axen_stop_task); 753 754 s = splusb(); 755 756 if (--sc->axen_refcnt >= 0) { 757 /* Wait for processes to go away */ 758 usb_detach_wait(&sc->axen_dev); 759 } 760 761 if (ifp->if_flags & IFF_RUNNING) 762 axen_stop(sc); 763 764 mii_detach(&sc->axen_mii, MII_PHY_ANY, MII_OFFSET_ANY); 765 ifmedia_delete_instance(&sc->axen_mii.mii_media, IFM_INST_ANY); 766 if (ifp->if_softc != NULL) { 767 ether_ifdetach(ifp); 768 if_detach(ifp); 769 } 770 771 #ifdef DIAGNOSTIC 772 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL || 773 sc->axen_ep[AXEN_ENDPT_RX] != NULL || 774 sc->axen_ep[AXEN_ENDPT_INTR] != NULL) 775 printf("%s: detach has active endpoints\n", 776 sc->axen_dev.dv_xname); 777 #endif 778 779 if (--sc->axen_refcnt >= 0) { 780 /* Wait for processes to go away. */ 781 usb_detach_wait(&sc->axen_dev); 782 } 783 splx(s); 784 785 return 0; 786 } 787 788 struct mbuf * 789 axen_newbuf(void) 790 { 791 struct mbuf *m; 792 793 MGETHDR(m, M_DONTWAIT, MT_DATA); 794 if (m == NULL) 795 return NULL; 796 797 MCLGET(m, M_DONTWAIT); 798 if (!(m->m_flags & M_EXT)) { 799 m_freem(m); 800 return NULL; 801 } 802 803 m->m_len = m->m_pkthdr.len = MCLBYTES; 804 m_adj(m, ETHER_ALIGN); 805 806 return m; 807 } 808 809 int 810 axen_rx_list_init(struct axen_softc *sc) 811 { 812 struct axen_cdata *cd; 813 struct axen_chain *c; 814 int i; 815 816 DPRINTF(("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 817 818 cd = &sc->axen_cdata; 819 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 820 c = &cd->axen_rx_chain[i]; 821 c->axen_sc = sc; 822 c->axen_idx = i; 823 c->axen_mbuf = NULL; 824 if (c->axen_xfer == NULL) { 825 c->axen_xfer = usbd_alloc_xfer(sc->axen_udev); 826 if (c->axen_xfer == NULL) 827 return ENOBUFS; 828 c->axen_buf = usbd_alloc_buffer(c->axen_xfer, 829 sc->axen_bufsz); 830 if (c->axen_buf == NULL) { 831 usbd_free_xfer(c->axen_xfer); 832 return ENOBUFS; 833 } 834 } 835 } 836 837 return 0; 838 } 839 840 int 841 axen_tx_list_init(struct axen_softc *sc) 842 { 843 struct axen_cdata *cd; 844 struct axen_chain *c; 845 int i; 846 847 DPRINTF(("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 848 849 cd = &sc->axen_cdata; 850 for (i = 0; i < AXEN_TX_LIST_CNT; i++) { 851 c = &cd->axen_tx_chain[i]; 852 c->axen_sc = sc; 853 c->axen_idx = i; 854 c->axen_mbuf = NULL; 855 if (c->axen_xfer == NULL) { 856 c->axen_xfer = usbd_alloc_xfer(sc->axen_udev); 857 if (c->axen_xfer == NULL) 858 return ENOBUFS; 859 c->axen_buf = usbd_alloc_buffer(c->axen_xfer, 860 sc->axen_bufsz); 861 if (c->axen_buf == NULL) { 862 usbd_free_xfer(c->axen_xfer); 863 return ENOBUFS; 864 } 865 } 866 } 867 868 return 0; 869 } 870 871 /* 872 * A frame has been uploaded: pass the resulting mbuf chain up to 873 * the higher level protocols. 874 */ 875 void 876 axen_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 877 { 878 struct axen_chain *c = (struct axen_chain *)priv; 879 struct axen_softc *sc = c->axen_sc; 880 struct ifnet *ifp = GET_IFP(sc); 881 u_char *buf = c->axen_buf; 882 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 883 struct mbuf *m; 884 u_int32_t total_len; 885 u_int32_t rx_hdr, pkt_hdr; 886 u_int32_t *hdr_p; 887 u_int16_t hdr_offset, pkt_count; 888 size_t pkt_len; 889 size_t temp; 890 int s; 891 892 DPRINTFN(10,("%s: %s: enter\n", sc->axen_dev.dv_xname,__func__)); 893 894 if (usbd_is_dying(sc->axen_udev)) 895 return; 896 897 if (!(ifp->if_flags & IFF_RUNNING)) 898 return; 899 900 if (status != USBD_NORMAL_COMPLETION) { 901 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 902 return; 903 if (usbd_ratecheck(&sc->axen_rx_notice)) { 904 printf("%s: usb errors on rx: %s\n", 905 sc->axen_dev.dv_xname, usbd_errstr(status)); 906 } 907 if (status == USBD_STALLED) 908 usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_RX]); 909 goto done; 910 } 911 912 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 913 914 if (total_len < sizeof(pkt_hdr)) { 915 ifp->if_ierrors++; 916 goto done; 917 } 918 919 /* 920 * buffer map 921 * [packet #0]...[packet #n][pkt hdr#0]..[pkt hdr#n][recv_hdr] 922 * each packet has 0xeeee as psuedo header.. 923 */ 924 hdr_p = (u_int32_t *)(buf + total_len - sizeof(u_int32_t)); 925 rx_hdr = letoh32(*hdr_p); 926 hdr_offset = (u_int16_t)(rx_hdr >> 16); 927 pkt_count = (u_int16_t)(rx_hdr & 0xffff); 928 929 if (total_len > sc->axen_bufsz) { 930 printf("rxeof: too large transfer\n"); 931 goto done; 932 } 933 934 /* sanity check */ 935 if (hdr_offset > total_len) { 936 ifp->if_ierrors++; 937 usbd_delay_ms(sc->axen_udev, 100); 938 goto done; 939 } 940 941 /* point first packet header */ 942 hdr_p = (u_int32_t*)(buf + hdr_offset); 943 944 /* 945 * ax88179 will pack multiple ip packet to a USB transaction. 946 * process all of packets in the buffer 947 */ 948 949 #if 1 /* XXX: paranoiac check. need to remove later */ 950 #define AXEN_MAX_PACKED_PACKET 200 951 if (pkt_count > AXEN_MAX_PACKED_PACKET) { 952 DPRINTF(("Too many packets (%d) in a transaction, discard.\n", 953 pkt_count)); 954 goto done; 955 } 956 #endif 957 958 do { 959 if ((buf[0] != 0xee) || (buf[1] != 0xee)){ 960 printf("invalid buffer(pkt#%d), continue\n", pkt_count); 961 ifp->if_ierrors += pkt_count; 962 goto done; 963 } 964 965 pkt_hdr = letoh32(*hdr_p); 966 pkt_len = (pkt_hdr >> 16) & 0x1fff; 967 968 DPRINTFN(10,("rxeof: packet#%d, pkt_hdr 0x%08x, pkt_len %zu\n", 969 pkt_count, pkt_hdr, pkt_len)); 970 971 if ((pkt_hdr & AXEN_RXHDR_CRC_ERR) || 972 (pkt_hdr & AXEN_RXHDR_DROP_ERR)) { 973 ifp->if_ierrors++; 974 /* move to next pkt header */ 975 DPRINTF(("crc err(pkt#%d)\n", pkt_count)); 976 goto nextpkt; 977 } 978 979 /* process each packet */ 980 /* allocate mbuf */ 981 m = axen_newbuf(); 982 if (m == NULL) { 983 ifp->if_ierrors++; 984 goto nextpkt; 985 } 986 987 /* skip pseudo header (2byte) and trailer padding (4Byte) */ 988 m->m_pkthdr.len = m->m_len = pkt_len - 6; 989 990 #ifdef AXEN_TOE 991 /* cheksum err */ 992 if ((pkt_hdr & AXEN_RXHDR_L3CSUM_ERR) || 993 (pkt_hdr & AXEN_RXHDR_L4CSUM_ERR)) { 994 printf("checksum err (pkt#%d)\n", pkt_count); 995 goto nextpkt; 996 } else { 997 m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK; 998 } 999 1000 int l4_type; 1001 l4_type = (pkt_hdr & AXEN_RXHDR_L4_TYPE_MASK) >> 1002 AXEN_RXHDR_L4_TYPE_OFFSET; 1003 1004 if ((l4_type == AXEN_RXHDR_L4_TYPE_TCP) || 1005 (l4_type == AXEN_RXHDR_L4_TYPE_UDP)) 1006 m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK | 1007 M_UDP_CSUM_IN_OK; 1008 #endif 1009 1010 memcpy(mtod(m, char *), buf + 2, pkt_len - 6); 1011 1012 ml_enqueue(&ml, m); 1013 1014 nextpkt: 1015 /* 1016 * prepare next packet 1017 * as each packet will be aligned 8byte boundary, 1018 * need to fix up the start point of the buffer. 1019 */ 1020 temp = ((pkt_len + 7) & 0xfff8); 1021 buf = buf + temp; 1022 hdr_p++; 1023 pkt_count--; 1024 } while( pkt_count > 0); 1025 1026 done: 1027 /* push the packet up */ 1028 s = splnet(); 1029 if_input(ifp, &ml); 1030 splx(s); 1031 1032 /* clear buffer for next transaction */ 1033 memset(c->axen_buf, 0, sc->axen_bufsz); 1034 1035 /* Setup new transfer. */ 1036 usbd_setup_xfer(xfer, sc->axen_ep[AXEN_ENDPT_RX], 1037 c, c->axen_buf, sc->axen_bufsz, 1038 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1039 USBD_NO_TIMEOUT, axen_rxeof); 1040 usbd_transfer(xfer); 1041 1042 DPRINTFN(10,("%s: %s: start rx\n", sc->axen_dev.dv_xname, __func__)); 1043 } 1044 1045 /* 1046 * A frame was downloaded to the chip. It's safe for us to clean up 1047 * the list buffers. 1048 */ 1049 void 1050 axen_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1051 { 1052 struct axen_softc *sc; 1053 struct axen_chain *c; 1054 struct ifnet *ifp; 1055 int s; 1056 1057 c = priv; 1058 sc = c->axen_sc; 1059 ifp = &sc->arpcom.ac_if; 1060 1061 if (usbd_is_dying(sc->axen_udev)) 1062 return; 1063 1064 s = splnet(); 1065 1066 if (status != USBD_NORMAL_COMPLETION) { 1067 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1068 splx(s); 1069 return; 1070 } 1071 ifp->if_oerrors++; 1072 printf("axen%d: usb error on tx: %s\n", sc->axen_unit, 1073 usbd_errstr(status)); 1074 if (status == USBD_STALLED) 1075 usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_TX]); 1076 splx(s); 1077 return; 1078 } 1079 1080 ifp->if_timer = 0; 1081 ifq_clr_oactive(&ifp->if_snd); 1082 1083 m_freem(c->axen_mbuf); 1084 c->axen_mbuf = NULL; 1085 1086 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1087 axen_start(ifp); 1088 1089 ifp->if_opackets++; 1090 splx(s); 1091 } 1092 1093 void 1094 axen_tick(void *xsc) 1095 { 1096 struct axen_softc *sc = xsc; 1097 1098 if (sc == NULL) 1099 return; 1100 1101 DPRINTFN(0xff, ("%s: %s: enter\n", sc->axen_dev.dv_xname, 1102 __func__)); 1103 1104 if (usbd_is_dying(sc->axen_udev)) 1105 return; 1106 1107 /* Perform periodic stuff in process context */ 1108 usb_add_task(sc->axen_udev, &sc->axen_tick_task); 1109 } 1110 1111 void 1112 axen_tick_task(void *xsc) 1113 { 1114 int s; 1115 struct axen_softc *sc; 1116 struct mii_data *mii; 1117 1118 sc = xsc; 1119 1120 if (sc == NULL) 1121 return; 1122 1123 if (usbd_is_dying(sc->axen_udev)) 1124 return; 1125 1126 mii = GET_MII(sc); 1127 if (mii == NULL) 1128 return; 1129 1130 s = splnet(); 1131 1132 mii_tick(mii); 1133 if (sc->axen_link == 0) 1134 axen_miibus_statchg(&sc->axen_dev); 1135 timeout_add_sec(&sc->axen_stat_ch, 1); 1136 1137 splx(s); 1138 } 1139 1140 int 1141 axen_encap(struct axen_softc *sc, struct mbuf *m, int idx) 1142 { 1143 struct axen_chain *c; 1144 usbd_status err; 1145 struct axen_sframe_hdr hdr; 1146 int length, boundary; 1147 1148 c = &sc->axen_cdata.axen_tx_chain[idx]; 1149 1150 switch (sc->axen_udev->speed) { 1151 case USB_SPEED_FULL: 1152 boundary = 64; 1153 break; 1154 case USB_SPEED_HIGH: 1155 boundary = 512; 1156 break; 1157 case USB_SPEED_SUPER: 1158 boundary = 4096; /* XXX */ 1159 break; 1160 default: 1161 printf("%s: not supported usb bus type", sc->axen_dev.dv_xname); 1162 return EIO; 1163 } 1164 1165 hdr.plen = htole32(m->m_pkthdr.len); 1166 hdr.gso = 0; /* disable segmentation offloading */ 1167 1168 memcpy(c->axen_buf, &hdr, sizeof(hdr)); 1169 length = sizeof(hdr); 1170 1171 m_copydata(m, 0, m->m_pkthdr.len, c->axen_buf + length); 1172 length += m->m_pkthdr.len; 1173 1174 if ((length % boundary) == 0) { 1175 hdr.plen = 0x0; 1176 hdr.gso |= 0x80008000; /* enable padding */ 1177 memcpy(c->axen_buf + length, &hdr, sizeof(hdr)); 1178 length += sizeof(hdr); 1179 } 1180 1181 c->axen_mbuf = m; 1182 1183 usbd_setup_xfer(c->axen_xfer, sc->axen_ep[AXEN_ENDPT_TX], 1184 c, c->axen_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1185 10000, axen_txeof); 1186 1187 /* Transmit */ 1188 err = usbd_transfer(c->axen_xfer); 1189 if (err != USBD_IN_PROGRESS) { 1190 axen_stop(sc); 1191 return EIO; 1192 } 1193 1194 sc->axen_cdata.axen_tx_cnt++; 1195 1196 return 0; 1197 } 1198 1199 void 1200 axen_start(struct ifnet *ifp) 1201 { 1202 struct axen_softc *sc; 1203 struct mbuf *m_head = NULL; 1204 1205 sc = ifp->if_softc; 1206 1207 if (!sc->axen_link) 1208 return; 1209 1210 if (ifq_is_oactive(&ifp->if_snd)) 1211 return; 1212 1213 m_head = ifq_deq_begin(&ifp->if_snd); 1214 if (m_head == NULL) 1215 return; 1216 1217 if (axen_encap(sc, m_head, 0)) { 1218 ifq_deq_rollback(&ifp->if_snd, m_head); 1219 ifq_set_oactive(&ifp->if_snd); 1220 return; 1221 } 1222 ifq_deq_commit(&ifp->if_snd, m_head); 1223 1224 /* 1225 * If there's a BPF listener, bounce a copy of this frame 1226 * to him. 1227 */ 1228 #if NBPFILTER > 0 1229 if (ifp->if_bpf) 1230 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1231 #endif 1232 1233 ifq_set_oactive(&ifp->if_snd); 1234 1235 /* 1236 * Set a timeout in case the chip goes out to lunch. 1237 */ 1238 ifp->if_timer = 5; 1239 } 1240 1241 void 1242 axen_init(void *xsc) 1243 { 1244 struct axen_softc *sc = xsc; 1245 struct ifnet *ifp = &sc->arpcom.ac_if; 1246 struct axen_chain *c; 1247 usbd_status err; 1248 int i, s; 1249 uByte bval; 1250 uWord wval; 1251 uint16_t rxmode; 1252 1253 s = splnet(); 1254 1255 /* 1256 * Cancel pending I/O and free all RX/TX buffers. 1257 */ 1258 axen_reset(sc); 1259 1260 /* XXX: ? */ 1261 bval = 0x01; 1262 axen_lock_mii(sc); 1263 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_UNK_28, &bval); 1264 axen_unlock_mii(sc); 1265 1266 /* Init RX ring. */ 1267 if (axen_rx_list_init(sc) == ENOBUFS) { 1268 printf("axen%d: rx list init failed\n", sc->axen_unit); 1269 splx(s); 1270 return; 1271 } 1272 1273 /* Init TX ring. */ 1274 if (axen_tx_list_init(sc) == ENOBUFS) { 1275 printf("axen%d: tx list init failed\n", sc->axen_unit); 1276 splx(s); 1277 return; 1278 } 1279 1280 /* Program promiscuous mode and multicast filters. */ 1281 axen_iff(sc); 1282 1283 /* Enable receiver, set RX mode */ 1284 axen_lock_mii(sc); 1285 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); 1286 rxmode = UGETW(wval); 1287 rxmode |= AXEN_RXCTL_START; 1288 USETW(wval, rxmode); 1289 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 1290 axen_unlock_mii(sc); 1291 1292 /* Open RX and TX pipes. */ 1293 err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_RX], 1294 USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_RX]); 1295 if (err) { 1296 printf("axen%d: open rx pipe failed: %s\n", 1297 sc->axen_unit, usbd_errstr(err)); 1298 splx(s); 1299 return; 1300 } 1301 1302 err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_TX], 1303 USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_TX]); 1304 if (err) { 1305 printf("axen%d: open tx pipe failed: %s\n", 1306 sc->axen_unit, usbd_errstr(err)); 1307 splx(s); 1308 return; 1309 } 1310 1311 /* Start up the receive pipe. */ 1312 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 1313 c = &sc->axen_cdata.axen_rx_chain[i]; 1314 usbd_setup_xfer(c->axen_xfer, sc->axen_ep[AXEN_ENDPT_RX], 1315 c, c->axen_buf, sc->axen_bufsz, 1316 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1317 USBD_NO_TIMEOUT, axen_rxeof); 1318 usbd_transfer(c->axen_xfer); 1319 } 1320 1321 sc->axen_link = 0; 1322 ifp->if_flags |= IFF_RUNNING; 1323 ifq_clr_oactive(&ifp->if_snd); 1324 1325 splx(s); 1326 1327 timeout_add_sec(&sc->axen_stat_ch, 1); 1328 return; 1329 } 1330 1331 int 1332 axen_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1333 { 1334 struct axen_softc *sc = ifp->if_softc; 1335 struct ifreq *ifr = (struct ifreq *)data; 1336 int s; 1337 int error = 0; 1338 1339 s = splnet(); 1340 1341 switch(cmd) { 1342 case SIOCSIFADDR: 1343 ifp->if_flags |= IFF_UP; 1344 if (!(ifp->if_flags & IFF_RUNNING)) 1345 axen_init(sc); 1346 break; 1347 1348 case SIOCSIFFLAGS: 1349 if (ifp->if_flags & IFF_UP) { 1350 if (ifp->if_flags & IFF_RUNNING) 1351 error = ENETRESET; 1352 else 1353 axen_init(sc); 1354 } else { 1355 if (ifp->if_flags & IFF_RUNNING) 1356 axen_stop(sc); 1357 } 1358 break; 1359 1360 case SIOCGIFMEDIA: 1361 case SIOCSIFMEDIA: 1362 error = ifmedia_ioctl(ifp, ifr, &sc->axen_mii.mii_media, cmd); 1363 break; 1364 1365 #if 0 1366 case SCIOCSIFMTU: 1367 /* XXX need to set AX_MEDIUM_JUMBO_EN here? */ 1368 /* fall through */ 1369 #endif 1370 default: 1371 error = ether_ioctl(ifp, &sc->arpcom, cmd, data); 1372 } 1373 1374 if (error == ENETRESET) { 1375 if (ifp->if_flags & IFF_RUNNING) 1376 axen_iff(sc); 1377 error = 0; 1378 } 1379 1380 splx(s); 1381 1382 return error; 1383 } 1384 1385 void 1386 axen_watchdog(struct ifnet *ifp) 1387 { 1388 struct axen_softc *sc; 1389 struct axen_chain *c; 1390 usbd_status stat; 1391 int s; 1392 1393 sc = ifp->if_softc; 1394 1395 ifp->if_oerrors++; 1396 printf("axen%d: watchdog timeout\n", sc->axen_unit); 1397 1398 s = splusb(); 1399 c = &sc->axen_cdata.axen_tx_chain[0]; 1400 usbd_get_xfer_status(c->axen_xfer, NULL, NULL, NULL, &stat); 1401 axen_txeof(c->axen_xfer, c, stat); 1402 1403 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1404 axen_start(ifp); 1405 splx(s); 1406 } 1407 1408 /* 1409 * Stop the adapter and free any mbufs allocated to the 1410 * RX and TX lists. 1411 */ 1412 void 1413 axen_stop(struct axen_softc *sc) 1414 { 1415 usbd_status err; 1416 struct ifnet *ifp; 1417 int i; 1418 1419 axen_reset(sc); 1420 1421 ifp = &sc->arpcom.ac_if; 1422 ifp->if_timer = 0; 1423 ifp->if_flags &= ~IFF_RUNNING; 1424 ifq_clr_oactive(&ifp->if_snd); 1425 1426 timeout_del(&sc->axen_stat_ch); 1427 1428 /* Stop transfers. */ 1429 if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { 1430 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 1431 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 1432 if (err) { 1433 printf("axen%d: close rx pipe failed: %s\n", 1434 sc->axen_unit, usbd_errstr(err)); 1435 } 1436 sc->axen_ep[AXEN_ENDPT_RX] = NULL; 1437 } 1438 1439 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { 1440 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 1441 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 1442 if (err) { 1443 printf("axen%d: close tx pipe failed: %s\n", 1444 sc->axen_unit, usbd_errstr(err)); 1445 } 1446 sc->axen_ep[AXEN_ENDPT_TX] = NULL; 1447 } 1448 1449 if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { 1450 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 1451 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 1452 if (err) { 1453 printf("axen%d: close intr pipe failed: %s\n", 1454 sc->axen_unit, usbd_errstr(err)); 1455 } 1456 sc->axen_ep[AXEN_ENDPT_INTR] = NULL; 1457 } 1458 1459 /* Free RX resources. */ 1460 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 1461 if (sc->axen_cdata.axen_rx_chain[i].axen_mbuf != NULL) { 1462 m_freem(sc->axen_cdata.axen_rx_chain[i].axen_mbuf); 1463 sc->axen_cdata.axen_rx_chain[i].axen_mbuf = NULL; 1464 } 1465 if (sc->axen_cdata.axen_rx_chain[i].axen_xfer != NULL) { 1466 usbd_free_xfer(sc->axen_cdata.axen_rx_chain[i].axen_xfer); 1467 sc->axen_cdata.axen_rx_chain[i].axen_xfer = NULL; 1468 } 1469 } 1470 1471 /* Free TX resources. */ 1472 for (i = 0; i < AXEN_TX_LIST_CNT; i++) { 1473 1474 if (sc->axen_cdata.axen_tx_chain[i].axen_mbuf != NULL) { 1475 m_freem(sc->axen_cdata.axen_tx_chain[i].axen_mbuf); 1476 sc->axen_cdata.axen_tx_chain[i].axen_mbuf = NULL; 1477 } 1478 if (sc->axen_cdata.axen_tx_chain[i].axen_xfer != NULL) { 1479 usbd_free_xfer(sc->axen_cdata.axen_tx_chain[i].axen_xfer); 1480 sc->axen_cdata.axen_tx_chain[i].axen_xfer = NULL; 1481 } 1482 } 1483 1484 sc->axen_link = 0; 1485 } 1486