1 /* $OpenBSD: if_axen.c,v 1.26 2018/12/05 15:54:58 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("%s: enable auto detach (0x%04x)\n", 466 sc->axen_dev.dv_xname, ctl); 467 } 468 469 /* bulkin queue setting */ 470 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_USB_UPLINK, &val); 471 switch (val) { 472 case AXEN_USB_FS: 473 DPRINTF(("uplink: USB1.1\n")); 474 qctrl.ctrl = 0x07; 475 qctrl.timer_low = 0xcc; 476 qctrl.timer_high= 0x4c; 477 qctrl.bufsize = AXEN_BUFSZ_LS - 1; 478 qctrl.ifg = 0x08; 479 break; 480 case AXEN_USB_HS: 481 DPRINTF(("uplink: USB2.0\n")); 482 qctrl.ctrl = 0x07; 483 qctrl.timer_low = 0x02; 484 qctrl.timer_high= 0xa0; 485 qctrl.bufsize = AXEN_BUFSZ_HS - 1; 486 qctrl.ifg = 0xff; 487 break; 488 case AXEN_USB_SS: 489 DPRINTF(("uplink: USB3.0\n")); 490 qctrl.ctrl = 0x07; 491 qctrl.timer_low = 0x4f; 492 qctrl.timer_high= 0x00; 493 qctrl.bufsize = AXEN_BUFSZ_SS - 1; 494 qctrl.ifg = 0xff; 495 break; 496 default: 497 printf("%s: unknown uplink bus:0x%02x\n", 498 sc->axen_dev.dv_xname, val); 499 axen_unlock_mii(sc); 500 return; 501 } 502 axen_cmd(sc, AXEN_CMD_MAC_SET_RXSR, 5, AXEN_RX_BULKIN_QCTRL, &qctrl); 503 504 /* Set MAC address. */ 505 axen_cmd(sc, AXEN_CMD_MAC_WRITE_ETHER, ETHER_ADDR_LEN, 506 AXEN_CMD_MAC_NODE_ID, &sc->arpcom.ac_enaddr); 507 508 /* 509 * set buffer high/low watermark to pause/resume. 510 * write 2byte will set high/log simultaneous with AXEN_PAUSE_HIGH. 511 * XXX: what is the best value? OSX driver uses 0x3c-0x4c as LOW-HIGH 512 * watermark parameters. 513 */ 514 val = 0x34; 515 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_LOW_WATERMARK, &val); 516 val = 0x52; 517 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_HIGH_WATERMARK, &val); 518 519 /* Set RX/TX configuration. */ 520 /* Offloadng enable */ 521 #ifdef AXEN_TOE 522 val = AXEN_RXCOE_IPv4 | AXEN_RXCOE_TCPv4 | AXEN_RXCOE_UDPv4 | 523 AXEN_RXCOE_TCPv6 | AXEN_RXCOE_UDPv6; 524 #else 525 val = AXEN_RXCOE_OFF; 526 #endif 527 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_RX_COE, &val); 528 529 #ifdef AXEN_TOE 530 val = AXEN_TXCOE_IPv4 | AXEN_TXCOE_TCPv4 | AXEN_TXCOE_UDPv4 | 531 AXEN_TXCOE_TCPv6 | AXEN_TXCOE_UDPv6; 532 #else 533 val = AXEN_TXCOE_OFF; 534 #endif 535 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_TX_COE, &val); 536 537 /* Set RX control register */ 538 ctl = AXEN_RXCTL_IPE | AXEN_RXCTL_DROPCRCERR | AXEN_RXCTL_AUTOB; 539 ctl |= AXEN_RXCTL_ACPT_PHY_MCAST | AXEN_RXCTL_ACPT_ALL_MCAST; 540 ctl |= AXEN_RXCTL_START; 541 USETW(wval, ctl); 542 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 543 544 /* set monitor mode (enable) */ 545 val = AXEN_MONITOR_PMETYPE | AXEN_MONITOR_PMEPOL | AXEN_MONITOR_RWMP; 546 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); 547 axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MONITOR_MODE, &val); 548 DPRINTF(("axen: Monitor mode = 0x%02x\n", val)); 549 550 /* set medium type */ 551 ctl = AXEN_MEDIUM_GIGA | AXEN_MEDIUM_FDX | AXEN_MEDIUM_ALWAYS_ONE | 552 AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN; 553 ctl |= AXEN_MEDIUM_RECV_EN; 554 USETW(wval, ctl); 555 DPRINTF(("axen: set to medium mode: 0x%04x\n", UGETW(wval))); 556 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); 557 usbd_delay_ms(sc->axen_udev, 100); 558 559 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MEDIUM_STATUS, &wval); 560 DPRINTF(("axen: current medium mode: 0x%04x\n", UGETW(wval))); 561 axen_unlock_mii(sc); 562 563 #if 0 /* XXX: TBD.... */ 564 #define GMII_LED_ACTIVE 0x1a 565 #define GMII_PHY_PAGE_SEL 0x1e 566 #define GMII_PHY_PAGE_SEL 0x1f 567 #define GMII_PAGE_EXT 0x0007 568 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE_SEL, 569 GMII_PAGE_EXT); 570 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE, 571 0x002c); 572 #endif 573 574 #if 1 /* XXX: phy hack ? */ 575 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x1F, 0x0005); 576 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x0C, 0x0000); 577 val = axen_miibus_readreg(&sc->axen_dev, sc->axen_phyno, 0x0001); 578 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x01, 579 val | 0x0080); 580 axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, 0x1F, 0x0000); 581 #endif 582 } 583 584 int 585 axen_match(struct device *parent, void *match, void *aux) 586 { 587 struct usb_attach_arg *uaa = aux; 588 589 if (uaa->iface == NULL || uaa->configno != 1) 590 return (UMATCH_NONE); 591 592 return (axen_lookup(uaa->vendor, uaa->product) != NULL ? 593 UMATCH_VENDOR_PRODUCT_CONF_IFACE : UMATCH_NONE); 594 } 595 596 void 597 axen_attach(struct device *parent, struct device *self, void *aux) 598 { 599 struct axen_softc *sc = (struct axen_softc *)self; 600 struct usb_attach_arg *uaa = aux; 601 usb_interface_descriptor_t *id; 602 usb_endpoint_descriptor_t *ed; 603 struct mii_data *mii; 604 u_char eaddr[ETHER_ADDR_LEN]; 605 char *devname = sc->axen_dev.dv_xname; 606 struct ifnet *ifp; 607 int i, s; 608 609 sc->axen_unit = self->dv_unit; /*device_get_unit(self);*/ 610 sc->axen_udev = uaa->device; 611 sc->axen_iface = uaa->iface; 612 sc->axen_flags = axen_lookup(uaa->vendor, uaa->product)->axen_flags; 613 614 usb_init_task(&sc->axen_tick_task, axen_tick_task, sc, 615 USB_TASK_TYPE_GENERIC); 616 rw_init(&sc->axen_mii_lock, "axenmii"); 617 usb_init_task(&sc->axen_stop_task, (void (*)(void *))axen_stop, sc, 618 USB_TASK_TYPE_GENERIC); 619 620 sc->axen_product = uaa->product; 621 sc->axen_vendor = uaa->vendor; 622 623 id = usbd_get_interface_descriptor(sc->axen_iface); 624 625 /* decide on what our bufsize will be */ 626 switch (sc->axen_udev->speed) { 627 case USB_SPEED_FULL: 628 sc->axen_bufsz = AXEN_BUFSZ_LS * 1024; 629 break; 630 case USB_SPEED_HIGH: 631 sc->axen_bufsz = AXEN_BUFSZ_HS * 1024; 632 break; 633 case USB_SPEED_SUPER: 634 sc->axen_bufsz = AXEN_BUFSZ_SS * 1024; 635 break; 636 default: 637 printf("%s: not supported usb bus type", sc->axen_dev.dv_xname); 638 return; 639 } 640 641 /* Find endpoints. */ 642 for (i = 0; i < id->bNumEndpoints; i++) { 643 ed = usbd_interface2endpoint_descriptor(sc->axen_iface, i); 644 if (!ed) { 645 printf("%s: couldn't get ep %d\n", 646 sc->axen_dev.dv_xname, i); 647 return; 648 } 649 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 650 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 651 sc->axen_ed[AXEN_ENDPT_RX] = ed->bEndpointAddress; 652 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 653 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 654 sc->axen_ed[AXEN_ENDPT_TX] = ed->bEndpointAddress; 655 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 656 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 657 sc->axen_ed[AXEN_ENDPT_INTR] = ed->bEndpointAddress; 658 } 659 } 660 661 s = splnet(); 662 663 sc->axen_phyno = AXEN_PHY_ID; 664 DPRINTF((" get_phyno %d\n", sc->axen_phyno)); 665 666 /* 667 * Get station address. 668 */ 669 /* use MAC command */ 670 axen_lock_mii(sc); 671 axen_cmd(sc, AXEN_CMD_MAC_READ_ETHER, ETHER_ADDR_LEN, 672 AXEN_CMD_MAC_NODE_ID, &eaddr); 673 axen_unlock_mii(sc); 674 675 /* 676 * An ASIX chip was detected. Inform the world. 677 */ 678 printf("%s:", sc->axen_dev.dv_xname); 679 if (sc->axen_flags & AX178A) 680 printf(" AX88178a"); 681 else if (sc->axen_flags & AX179) 682 printf(" AX88179"); 683 printf(", address %s\n", ether_sprintf(eaddr)); 684 685 bcopy(eaddr, (char *)&sc->arpcom.ac_enaddr, ETHER_ADDR_LEN); 686 687 axen_ax88179_init(sc); 688 689 /* Initialize interface info. */ 690 ifp = &sc->arpcom.ac_if; 691 ifp->if_softc = sc; 692 strlcpy(ifp->if_xname, devname, IFNAMSIZ); 693 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 694 ifp->if_ioctl = axen_ioctl; 695 ifp->if_start = axen_start; 696 ifp->if_watchdog = axen_watchdog; 697 698 ifp->if_capabilities = IFCAP_VLAN_MTU; 699 #ifdef AXEN_TOE 700 ifp->if_capabilities |= IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | 701 IFCAP_CSUM_UDPv4 | IFCAP_CSUM_TCPv6 | IFCAP_CSUM_UDPv6; 702 #endif 703 704 /* Initialize MII/media info. */ 705 mii = &sc->axen_mii; 706 mii->mii_ifp = ifp; 707 mii->mii_readreg = axen_miibus_readreg; 708 mii->mii_writereg = axen_miibus_writereg; 709 mii->mii_statchg = axen_miibus_statchg; 710 mii->mii_flags = MIIF_AUTOTSLEEP; 711 712 ifmedia_init(&mii->mii_media, 0, axen_ifmedia_upd, axen_ifmedia_sts); 713 mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); 714 715 if (LIST_FIRST(&mii->mii_phys) == NULL) { 716 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 717 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 718 } else 719 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 720 721 /* Attach the interface. */ 722 if_attach(ifp); 723 ether_ifattach(ifp); 724 725 timeout_set(&sc->axen_stat_ch, axen_tick, sc); 726 727 splx(s); 728 } 729 730 int 731 axen_detach(struct device *self, int flags) 732 { 733 struct axen_softc *sc = (struct axen_softc *)self; 734 int s; 735 struct ifnet *ifp = GET_IFP(sc); 736 737 DPRINTFN(2,("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 738 739 if (timeout_initialized(&sc->axen_stat_ch)) 740 timeout_del(&sc->axen_stat_ch); 741 742 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) 743 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 744 if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) 745 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 746 if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) 747 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 748 749 /* 750 * Remove any pending tasks. They cannot be executing because they run 751 * in the same thread as detach. 752 */ 753 usb_rem_task(sc->axen_udev, &sc->axen_tick_task); 754 usb_rem_task(sc->axen_udev, &sc->axen_stop_task); 755 756 s = splusb(); 757 758 if (--sc->axen_refcnt >= 0) { 759 /* Wait for processes to go away */ 760 usb_detach_wait(&sc->axen_dev); 761 } 762 763 if (ifp->if_flags & IFF_RUNNING) 764 axen_stop(sc); 765 766 mii_detach(&sc->axen_mii, MII_PHY_ANY, MII_OFFSET_ANY); 767 ifmedia_delete_instance(&sc->axen_mii.mii_media, IFM_INST_ANY); 768 if (ifp->if_softc != NULL) { 769 ether_ifdetach(ifp); 770 if_detach(ifp); 771 } 772 773 #ifdef DIAGNOSTIC 774 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL || 775 sc->axen_ep[AXEN_ENDPT_RX] != NULL || 776 sc->axen_ep[AXEN_ENDPT_INTR] != NULL) 777 printf("%s: detach has active endpoints\n", 778 sc->axen_dev.dv_xname); 779 #endif 780 781 if (--sc->axen_refcnt >= 0) { 782 /* Wait for processes to go away. */ 783 usb_detach_wait(&sc->axen_dev); 784 } 785 splx(s); 786 787 return 0; 788 } 789 790 struct mbuf * 791 axen_newbuf(void) 792 { 793 struct mbuf *m; 794 795 MGETHDR(m, M_DONTWAIT, MT_DATA); 796 if (m == NULL) 797 return NULL; 798 799 MCLGET(m, M_DONTWAIT); 800 if (!(m->m_flags & M_EXT)) { 801 m_freem(m); 802 return NULL; 803 } 804 805 m->m_len = m->m_pkthdr.len = MCLBYTES; 806 m_adj(m, ETHER_ALIGN); 807 808 return m; 809 } 810 811 int 812 axen_rx_list_init(struct axen_softc *sc) 813 { 814 struct axen_cdata *cd; 815 struct axen_chain *c; 816 int i; 817 818 DPRINTF(("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 819 820 cd = &sc->axen_cdata; 821 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 822 c = &cd->axen_rx_chain[i]; 823 c->axen_sc = sc; 824 c->axen_idx = i; 825 c->axen_mbuf = NULL; 826 if (c->axen_xfer == NULL) { 827 c->axen_xfer = usbd_alloc_xfer(sc->axen_udev); 828 if (c->axen_xfer == NULL) 829 return ENOBUFS; 830 c->axen_buf = usbd_alloc_buffer(c->axen_xfer, 831 sc->axen_bufsz); 832 if (c->axen_buf == NULL) { 833 usbd_free_xfer(c->axen_xfer); 834 return ENOBUFS; 835 } 836 } 837 } 838 839 return 0; 840 } 841 842 int 843 axen_tx_list_init(struct axen_softc *sc) 844 { 845 struct axen_cdata *cd; 846 struct axen_chain *c; 847 int i; 848 849 DPRINTF(("%s: %s: enter\n", sc->axen_dev.dv_xname, __func__)); 850 851 cd = &sc->axen_cdata; 852 for (i = 0; i < AXEN_TX_LIST_CNT; i++) { 853 c = &cd->axen_tx_chain[i]; 854 c->axen_sc = sc; 855 c->axen_idx = i; 856 c->axen_mbuf = NULL; 857 if (c->axen_xfer == NULL) { 858 c->axen_xfer = usbd_alloc_xfer(sc->axen_udev); 859 if (c->axen_xfer == NULL) 860 return ENOBUFS; 861 c->axen_buf = usbd_alloc_buffer(c->axen_xfer, 862 sc->axen_bufsz); 863 if (c->axen_buf == NULL) { 864 usbd_free_xfer(c->axen_xfer); 865 return ENOBUFS; 866 } 867 } 868 } 869 870 return 0; 871 } 872 873 /* 874 * A frame has been uploaded: pass the resulting mbuf chain up to 875 * the higher level protocols. 876 */ 877 void 878 axen_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 879 { 880 struct axen_chain *c = (struct axen_chain *)priv; 881 struct axen_softc *sc = c->axen_sc; 882 struct ifnet *ifp = GET_IFP(sc); 883 u_char *buf = c->axen_buf; 884 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 885 struct mbuf *m; 886 u_int32_t total_len; 887 u_int32_t rx_hdr, pkt_hdr; 888 u_int32_t *hdr_p; 889 u_int16_t hdr_offset, pkt_count; 890 size_t pkt_len; 891 size_t temp; 892 int s; 893 894 DPRINTFN(10,("%s: %s: enter\n", sc->axen_dev.dv_xname,__func__)); 895 896 if (usbd_is_dying(sc->axen_udev)) 897 return; 898 899 if (!(ifp->if_flags & IFF_RUNNING)) 900 return; 901 902 if (status != USBD_NORMAL_COMPLETION) { 903 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 904 return; 905 if (usbd_ratecheck(&sc->axen_rx_notice)) { 906 printf("%s: usb errors on rx: %s\n", 907 sc->axen_dev.dv_xname, usbd_errstr(status)); 908 } 909 if (status == USBD_STALLED) 910 usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_RX]); 911 goto done; 912 } 913 914 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 915 916 if (total_len < sizeof(pkt_hdr)) { 917 ifp->if_ierrors++; 918 goto done; 919 } 920 921 /* 922 * buffer map 923 * [packet #0]...[packet #n][pkt hdr#0]..[pkt hdr#n][recv_hdr] 924 * each packet has 0xeeee as psuedo header.. 925 */ 926 hdr_p = (u_int32_t *)(buf + total_len - sizeof(u_int32_t)); 927 rx_hdr = letoh32(*hdr_p); 928 hdr_offset = (u_int16_t)(rx_hdr >> 16); 929 pkt_count = (u_int16_t)(rx_hdr & 0xffff); 930 931 if (total_len > sc->axen_bufsz) { 932 printf("%s: rxeof: too large transfer\n", 933 sc->axen_dev.dv_xname); 934 goto done; 935 } 936 937 /* sanity check */ 938 if (hdr_offset > total_len) { 939 ifp->if_ierrors++; 940 goto done; 941 } 942 943 /* point first packet header */ 944 hdr_p = (u_int32_t*)(buf + hdr_offset); 945 946 /* 947 * ax88179 will pack multiple ip packet to a USB transaction. 948 * process all of packets in the buffer 949 */ 950 951 #if 1 /* XXX: paranoiac check. need to remove later */ 952 #define AXEN_MAX_PACKED_PACKET 200 953 if (pkt_count > AXEN_MAX_PACKED_PACKET) { 954 DPRINTF(("Too many packets (%d) in a transaction, discard.\n", 955 pkt_count)); 956 goto done; 957 } 958 #endif 959 960 do { 961 if ((buf[0] != 0xee) || (buf[1] != 0xee)){ 962 printf("%s: invalid buffer(pkt#%d), continue\n", 963 sc->axen_dev.dv_xname, pkt_count); 964 ifp->if_ierrors += pkt_count; 965 goto done; 966 } 967 968 pkt_hdr = letoh32(*hdr_p); 969 pkt_len = (pkt_hdr >> 16) & 0x1fff; 970 971 DPRINTFN(10,("rxeof: packet#%d, pkt_hdr 0x%08x, pkt_len %zu\n", 972 pkt_count, pkt_hdr, pkt_len)); 973 974 if ((pkt_hdr & AXEN_RXHDR_CRC_ERR) || 975 (pkt_hdr & AXEN_RXHDR_DROP_ERR)) { 976 ifp->if_ierrors++; 977 /* move to next pkt header */ 978 DPRINTF(("crc err(pkt#%d)\n", pkt_count)); 979 goto nextpkt; 980 } 981 982 /* process each packet */ 983 /* allocate mbuf */ 984 m = axen_newbuf(); 985 if (m == NULL) { 986 ifp->if_ierrors++; 987 goto nextpkt; 988 } 989 990 /* skip pseudo header (2byte) and trailer padding (4Byte) */ 991 m->m_pkthdr.len = m->m_len = pkt_len - 6; 992 993 #ifdef AXEN_TOE 994 /* cheksum err */ 995 if ((pkt_hdr & AXEN_RXHDR_L3CSUM_ERR) || 996 (pkt_hdr & AXEN_RXHDR_L4CSUM_ERR)) { 997 printf("%s: checksum err (pkt#%d)\n", 998 sc->axen_dev.dv_xname, pkt_count); 999 goto nextpkt; 1000 } else { 1001 m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK; 1002 } 1003 1004 int l4_type; 1005 l4_type = (pkt_hdr & AXEN_RXHDR_L4_TYPE_MASK) >> 1006 AXEN_RXHDR_L4_TYPE_OFFSET; 1007 1008 if ((l4_type == AXEN_RXHDR_L4_TYPE_TCP) || 1009 (l4_type == AXEN_RXHDR_L4_TYPE_UDP)) 1010 m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK | 1011 M_UDP_CSUM_IN_OK; 1012 #endif 1013 1014 memcpy(mtod(m, char *), buf + 2, pkt_len - 6); 1015 1016 ml_enqueue(&ml, m); 1017 1018 nextpkt: 1019 /* 1020 * prepare next packet 1021 * as each packet will be aligned 8byte boundary, 1022 * need to fix up the start point of the buffer. 1023 */ 1024 temp = ((pkt_len + 7) & 0xfff8); 1025 buf = buf + temp; 1026 hdr_p++; 1027 pkt_count--; 1028 } while( pkt_count > 0); 1029 1030 done: 1031 /* push the packet up */ 1032 s = splnet(); 1033 if_input(ifp, &ml); 1034 splx(s); 1035 1036 /* clear buffer for next transaction */ 1037 memset(c->axen_buf, 0, sc->axen_bufsz); 1038 1039 /* Setup new transfer. */ 1040 usbd_setup_xfer(xfer, sc->axen_ep[AXEN_ENDPT_RX], 1041 c, c->axen_buf, sc->axen_bufsz, 1042 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1043 USBD_NO_TIMEOUT, axen_rxeof); 1044 usbd_transfer(xfer); 1045 1046 DPRINTFN(10,("%s: %s: start rx\n", sc->axen_dev.dv_xname, __func__)); 1047 } 1048 1049 /* 1050 * A frame was downloaded to the chip. It's safe for us to clean up 1051 * the list buffers. 1052 */ 1053 void 1054 axen_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1055 { 1056 struct axen_softc *sc; 1057 struct axen_chain *c; 1058 struct ifnet *ifp; 1059 int s; 1060 1061 c = priv; 1062 sc = c->axen_sc; 1063 ifp = &sc->arpcom.ac_if; 1064 1065 if (usbd_is_dying(sc->axen_udev)) 1066 return; 1067 1068 s = splnet(); 1069 1070 if (status != USBD_NORMAL_COMPLETION) { 1071 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1072 splx(s); 1073 return; 1074 } 1075 ifp->if_oerrors++; 1076 printf("axen%d: usb error on tx: %s\n", sc->axen_unit, 1077 usbd_errstr(status)); 1078 if (status == USBD_STALLED) 1079 usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_TX]); 1080 splx(s); 1081 return; 1082 } 1083 1084 ifp->if_timer = 0; 1085 ifq_clr_oactive(&ifp->if_snd); 1086 1087 m_freem(c->axen_mbuf); 1088 c->axen_mbuf = NULL; 1089 1090 if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) 1091 axen_start(ifp); 1092 1093 splx(s); 1094 } 1095 1096 void 1097 axen_tick(void *xsc) 1098 { 1099 struct axen_softc *sc = xsc; 1100 1101 if (sc == NULL) 1102 return; 1103 1104 DPRINTFN(0xff, ("%s: %s: enter\n", sc->axen_dev.dv_xname, 1105 __func__)); 1106 1107 if (usbd_is_dying(sc->axen_udev)) 1108 return; 1109 1110 /* Perform periodic stuff in process context */ 1111 usb_add_task(sc->axen_udev, &sc->axen_tick_task); 1112 } 1113 1114 void 1115 axen_tick_task(void *xsc) 1116 { 1117 int s; 1118 struct axen_softc *sc; 1119 struct mii_data *mii; 1120 1121 sc = xsc; 1122 1123 if (sc == NULL) 1124 return; 1125 1126 if (usbd_is_dying(sc->axen_udev)) 1127 return; 1128 1129 mii = GET_MII(sc); 1130 if (mii == NULL) 1131 return; 1132 1133 s = splnet(); 1134 1135 mii_tick(mii); 1136 if (sc->axen_link == 0) 1137 axen_miibus_statchg(&sc->axen_dev); 1138 timeout_add_sec(&sc->axen_stat_ch, 1); 1139 1140 splx(s); 1141 } 1142 1143 int 1144 axen_encap(struct axen_softc *sc, struct mbuf *m, int idx) 1145 { 1146 struct axen_chain *c; 1147 usbd_status err; 1148 struct axen_sframe_hdr hdr; 1149 int length, boundary; 1150 1151 c = &sc->axen_cdata.axen_tx_chain[idx]; 1152 1153 switch (sc->axen_udev->speed) { 1154 case USB_SPEED_FULL: 1155 boundary = 64; 1156 break; 1157 case USB_SPEED_HIGH: 1158 boundary = 512; 1159 break; 1160 case USB_SPEED_SUPER: 1161 boundary = 4096; /* XXX */ 1162 break; 1163 default: 1164 printf("%s: not supported usb bus type", sc->axen_dev.dv_xname); 1165 return EIO; 1166 } 1167 1168 hdr.plen = htole32(m->m_pkthdr.len); 1169 hdr.gso = 0; /* disable segmentation offloading */ 1170 1171 memcpy(c->axen_buf, &hdr, sizeof(hdr)); 1172 length = sizeof(hdr); 1173 1174 m_copydata(m, 0, m->m_pkthdr.len, c->axen_buf + length); 1175 length += m->m_pkthdr.len; 1176 1177 if ((length % boundary) == 0) { 1178 hdr.plen = 0x0; 1179 hdr.gso |= 0x80008000; /* enable padding */ 1180 memcpy(c->axen_buf + length, &hdr, sizeof(hdr)); 1181 length += sizeof(hdr); 1182 } 1183 1184 c->axen_mbuf = m; 1185 1186 usbd_setup_xfer(c->axen_xfer, sc->axen_ep[AXEN_ENDPT_TX], 1187 c, c->axen_buf, length, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1188 10000, axen_txeof); 1189 1190 /* Transmit */ 1191 err = usbd_transfer(c->axen_xfer); 1192 if (err != USBD_IN_PROGRESS) { 1193 axen_stop(sc); 1194 return EIO; 1195 } 1196 1197 sc->axen_cdata.axen_tx_cnt++; 1198 1199 return 0; 1200 } 1201 1202 void 1203 axen_start(struct ifnet *ifp) 1204 { 1205 struct axen_softc *sc; 1206 struct mbuf *m_head = NULL; 1207 1208 sc = ifp->if_softc; 1209 1210 if (!sc->axen_link) 1211 return; 1212 1213 if (ifq_is_oactive(&ifp->if_snd)) 1214 return; 1215 1216 m_head = ifq_deq_begin(&ifp->if_snd); 1217 if (m_head == NULL) 1218 return; 1219 1220 if (axen_encap(sc, m_head, 0)) { 1221 ifq_deq_rollback(&ifp->if_snd, m_head); 1222 ifq_set_oactive(&ifp->if_snd); 1223 return; 1224 } 1225 ifq_deq_commit(&ifp->if_snd, m_head); 1226 1227 /* 1228 * If there's a BPF listener, bounce a copy of this frame 1229 * to him. 1230 */ 1231 #if NBPFILTER > 0 1232 if (ifp->if_bpf) 1233 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1234 #endif 1235 1236 ifq_set_oactive(&ifp->if_snd); 1237 1238 /* 1239 * Set a timeout in case the chip goes out to lunch. 1240 */ 1241 ifp->if_timer = 5; 1242 } 1243 1244 void 1245 axen_init(void *xsc) 1246 { 1247 struct axen_softc *sc = xsc; 1248 struct ifnet *ifp = &sc->arpcom.ac_if; 1249 struct axen_chain *c; 1250 usbd_status err; 1251 int i, s; 1252 uByte bval; 1253 uWord wval; 1254 uint16_t rxmode; 1255 1256 s = splnet(); 1257 1258 /* 1259 * Cancel pending I/O and free all RX/TX buffers. 1260 */ 1261 axen_reset(sc); 1262 1263 /* XXX: ? */ 1264 bval = 0x01; 1265 axen_lock_mii(sc); 1266 axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_UNK_28, &bval); 1267 axen_unlock_mii(sc); 1268 1269 /* Init RX ring. */ 1270 if (axen_rx_list_init(sc) == ENOBUFS) { 1271 printf("axen%d: rx list init failed\n", sc->axen_unit); 1272 splx(s); 1273 return; 1274 } 1275 1276 /* Init TX ring. */ 1277 if (axen_tx_list_init(sc) == ENOBUFS) { 1278 printf("axen%d: tx list init failed\n", sc->axen_unit); 1279 splx(s); 1280 return; 1281 } 1282 1283 /* Program promiscuous mode and multicast filters. */ 1284 axen_iff(sc); 1285 1286 /* Enable receiver, set RX mode */ 1287 axen_lock_mii(sc); 1288 axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); 1289 rxmode = UGETW(wval); 1290 rxmode |= AXEN_RXCTL_START; 1291 USETW(wval, rxmode); 1292 axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); 1293 axen_unlock_mii(sc); 1294 1295 /* Open RX and TX pipes. */ 1296 err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_RX], 1297 USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_RX]); 1298 if (err) { 1299 printf("axen%d: open rx pipe failed: %s\n", 1300 sc->axen_unit, usbd_errstr(err)); 1301 splx(s); 1302 return; 1303 } 1304 1305 err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_TX], 1306 USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_TX]); 1307 if (err) { 1308 printf("axen%d: open tx pipe failed: %s\n", 1309 sc->axen_unit, usbd_errstr(err)); 1310 splx(s); 1311 return; 1312 } 1313 1314 /* Start up the receive pipe. */ 1315 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 1316 c = &sc->axen_cdata.axen_rx_chain[i]; 1317 usbd_setup_xfer(c->axen_xfer, sc->axen_ep[AXEN_ENDPT_RX], 1318 c, c->axen_buf, sc->axen_bufsz, 1319 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1320 USBD_NO_TIMEOUT, axen_rxeof); 1321 usbd_transfer(c->axen_xfer); 1322 } 1323 1324 sc->axen_link = 0; 1325 ifp->if_flags |= IFF_RUNNING; 1326 ifq_clr_oactive(&ifp->if_snd); 1327 1328 splx(s); 1329 1330 timeout_add_sec(&sc->axen_stat_ch, 1); 1331 return; 1332 } 1333 1334 int 1335 axen_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1336 { 1337 struct axen_softc *sc = ifp->if_softc; 1338 struct ifreq *ifr = (struct ifreq *)data; 1339 int s; 1340 int error = 0; 1341 1342 s = splnet(); 1343 1344 switch(cmd) { 1345 case SIOCSIFADDR: 1346 ifp->if_flags |= IFF_UP; 1347 if (!(ifp->if_flags & IFF_RUNNING)) 1348 axen_init(sc); 1349 break; 1350 1351 case SIOCSIFFLAGS: 1352 if (ifp->if_flags & IFF_UP) { 1353 if (ifp->if_flags & IFF_RUNNING) 1354 error = ENETRESET; 1355 else 1356 axen_init(sc); 1357 } else { 1358 if (ifp->if_flags & IFF_RUNNING) 1359 axen_stop(sc); 1360 } 1361 break; 1362 1363 case SIOCGIFMEDIA: 1364 case SIOCSIFMEDIA: 1365 error = ifmedia_ioctl(ifp, ifr, &sc->axen_mii.mii_media, cmd); 1366 break; 1367 1368 #if 0 1369 case SCIOCSIFMTU: 1370 /* XXX need to set AX_MEDIUM_JUMBO_EN here? */ 1371 /* fall through */ 1372 #endif 1373 default: 1374 error = ether_ioctl(ifp, &sc->arpcom, cmd, data); 1375 } 1376 1377 if (error == ENETRESET) { 1378 if (ifp->if_flags & IFF_RUNNING) 1379 axen_iff(sc); 1380 error = 0; 1381 } 1382 1383 splx(s); 1384 1385 return error; 1386 } 1387 1388 void 1389 axen_watchdog(struct ifnet *ifp) 1390 { 1391 struct axen_softc *sc; 1392 struct axen_chain *c; 1393 usbd_status stat; 1394 int s; 1395 1396 sc = ifp->if_softc; 1397 1398 ifp->if_oerrors++; 1399 printf("axen%d: watchdog timeout\n", sc->axen_unit); 1400 1401 s = splusb(); 1402 c = &sc->axen_cdata.axen_tx_chain[0]; 1403 usbd_get_xfer_status(c->axen_xfer, NULL, NULL, NULL, &stat); 1404 axen_txeof(c->axen_xfer, c, stat); 1405 1406 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 1407 axen_start(ifp); 1408 splx(s); 1409 } 1410 1411 /* 1412 * Stop the adapter and free any mbufs allocated to the 1413 * RX and TX lists. 1414 */ 1415 void 1416 axen_stop(struct axen_softc *sc) 1417 { 1418 usbd_status err; 1419 struct ifnet *ifp; 1420 int i; 1421 1422 axen_reset(sc); 1423 1424 ifp = &sc->arpcom.ac_if; 1425 ifp->if_timer = 0; 1426 ifp->if_flags &= ~IFF_RUNNING; 1427 ifq_clr_oactive(&ifp->if_snd); 1428 1429 timeout_del(&sc->axen_stat_ch); 1430 1431 /* Stop transfers. */ 1432 if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { 1433 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 1434 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_RX]); 1435 if (err) { 1436 printf("axen%d: close rx pipe failed: %s\n", 1437 sc->axen_unit, usbd_errstr(err)); 1438 } 1439 sc->axen_ep[AXEN_ENDPT_RX] = NULL; 1440 } 1441 1442 if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { 1443 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 1444 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_TX]); 1445 if (err) { 1446 printf("axen%d: close tx pipe failed: %s\n", 1447 sc->axen_unit, usbd_errstr(err)); 1448 } 1449 sc->axen_ep[AXEN_ENDPT_TX] = NULL; 1450 } 1451 1452 if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { 1453 usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 1454 err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); 1455 if (err) { 1456 printf("axen%d: close intr pipe failed: %s\n", 1457 sc->axen_unit, usbd_errstr(err)); 1458 } 1459 sc->axen_ep[AXEN_ENDPT_INTR] = NULL; 1460 } 1461 1462 /* Free RX resources. */ 1463 for (i = 0; i < AXEN_RX_LIST_CNT; i++) { 1464 if (sc->axen_cdata.axen_rx_chain[i].axen_mbuf != NULL) { 1465 m_freem(sc->axen_cdata.axen_rx_chain[i].axen_mbuf); 1466 sc->axen_cdata.axen_rx_chain[i].axen_mbuf = NULL; 1467 } 1468 if (sc->axen_cdata.axen_rx_chain[i].axen_xfer != NULL) { 1469 usbd_free_xfer(sc->axen_cdata.axen_rx_chain[i].axen_xfer); 1470 sc->axen_cdata.axen_rx_chain[i].axen_xfer = NULL; 1471 } 1472 } 1473 1474 /* Free TX resources. */ 1475 for (i = 0; i < AXEN_TX_LIST_CNT; i++) { 1476 1477 if (sc->axen_cdata.axen_tx_chain[i].axen_mbuf != NULL) { 1478 m_freem(sc->axen_cdata.axen_tx_chain[i].axen_mbuf); 1479 sc->axen_cdata.axen_tx_chain[i].axen_mbuf = NULL; 1480 } 1481 if (sc->axen_cdata.axen_tx_chain[i].axen_xfer != NULL) { 1482 usbd_free_xfer(sc->axen_cdata.axen_tx_chain[i].axen_xfer); 1483 sc->axen_cdata.axen_tx_chain[i].axen_xfer = NULL; 1484 } 1485 } 1486 1487 sc->axen_link = 0; 1488 } 1489