| 1 | /* $NetBSD: if_axen.c,v 1.9 2016/06/10 13:27:15 ozaki-r Exp $ */ |
| 2 | /* $OpenBSD: if_axen.c,v 1.3 2013/10/21 10:10:22 yuo Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 2013 Yojiro UO <yuo@openbsd.org> |
| 6 | * |
| 7 | * Permission to use, copy, modify, and distribute this software for any |
| 8 | * purpose with or without fee is hereby granted, provided that the above |
| 9 | * copyright notice and this permission notice appear in all copies. |
| 10 | * |
| 11 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 12 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 13 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 14 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 15 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 16 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 17 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 18 | */ |
| 19 | |
| 20 | /* |
| 21 | * ASIX Electronics AX88178a USB 2.0 ethernet and AX88179 USB 3.0 Ethernet |
| 22 | * driver. |
| 23 | */ |
| 24 | |
| 25 | #include <sys/cdefs.h> |
| 26 | __KERNEL_RCSID(0, "$NetBSD: if_axen.c,v 1.9 2016/06/10 13:27:15 ozaki-r Exp $" ); |
| 27 | |
| 28 | #ifdef _KERNEL_OPT |
| 29 | #include "opt_inet.h" |
| 30 | #endif |
| 31 | |
| 32 | #include <sys/param.h> |
| 33 | #include <sys/bus.h> |
| 34 | #include <sys/device.h> |
| 35 | #include <sys/kernel.h> |
| 36 | #include <sys/mbuf.h> |
| 37 | #include <sys/module.h> |
| 38 | #include <sys/rwlock.h> |
| 39 | #include <sys/socket.h> |
| 40 | #include <sys/sockio.h> |
| 41 | #include <sys/systm.h> |
| 42 | |
| 43 | #include <sys/rndsource.h> |
| 44 | |
| 45 | #include <net/if.h> |
| 46 | #include <net/if_dl.h> |
| 47 | #include <net/if_ether.h> |
| 48 | #include <net/if_media.h> |
| 49 | |
| 50 | #include <net/bpf.h> |
| 51 | |
| 52 | #include <dev/mii/mii.h> |
| 53 | #include <dev/mii/miivar.h> |
| 54 | |
| 55 | #include <dev/usb/usb.h> |
| 56 | #include <dev/usb/usbdi.h> |
| 57 | #include <dev/usb/usbdi_util.h> |
| 58 | #include <dev/usb/usbdivar.h> |
| 59 | #include <dev/usb/usbdevs.h> |
| 60 | |
| 61 | #include <dev/usb/if_axenreg.h> |
| 62 | |
| 63 | #ifdef AXEN_DEBUG |
| 64 | #define DPRINTF(x) do { if (axendebug) printf x; } while (/*CONSTCOND*/0) |
| 65 | #define DPRINTFN(n,x) do { if (axendebug >= (n)) printf x; } while (/*CONSTCOND*/0) |
| 66 | int axendebug = 0; |
| 67 | #else |
| 68 | #define DPRINTF(x) |
| 69 | #define DPRINTFN(n,x) |
| 70 | #endif |
| 71 | |
| 72 | #define AXEN_TOE /* enable checksum offload function */ |
| 73 | |
| 74 | /* |
| 75 | * Various supported device vendors/products. |
| 76 | */ |
| 77 | static const struct axen_type axen_devs[] = { |
| 78 | #if 0 /* not tested */ |
| 79 | { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88178A}, AX178A }, |
| 80 | #endif |
| 81 | { { USB_VENDOR_ASIX, USB_PRODUCT_ASIX_AX88179}, AX179 } |
| 82 | }; |
| 83 | |
| 84 | #define axen_lookup(v, p) ((const struct axen_type *)usb_lookup(axen_devs, v, p)) |
| 85 | |
| 86 | static int axen_match(device_t, cfdata_t, void *); |
| 87 | static void axen_attach(device_t, device_t, void *); |
| 88 | static int axen_detach(device_t, int); |
| 89 | static int axen_activate(device_t, devact_t); |
| 90 | |
| 91 | CFATTACH_DECL_NEW(axen, sizeof(struct axen_softc), |
| 92 | axen_match, axen_attach, axen_detach, axen_activate); |
| 93 | |
| 94 | static int axen_tx_list_init(struct axen_softc *); |
| 95 | static int axen_rx_list_init(struct axen_softc *); |
| 96 | static struct mbuf *axen_newbuf(void); |
| 97 | static int axen_encap(struct axen_softc *, struct mbuf *, int); |
| 98 | static void axen_rxeof(struct usbd_xfer *, void *, usbd_status); |
| 99 | static void axen_txeof(struct usbd_xfer *, void *, usbd_status); |
| 100 | static void axen_tick(void *); |
| 101 | static void axen_tick_task(void *); |
| 102 | static void axen_start(struct ifnet *); |
| 103 | static int axen_ioctl(struct ifnet *, u_long, void *); |
| 104 | static int axen_init(struct ifnet *); |
| 105 | static void axen_stop(struct ifnet *, int); |
| 106 | static void axen_watchdog(struct ifnet *); |
| 107 | static int axen_miibus_readreg(device_t, int, int); |
| 108 | static void axen_miibus_writereg(device_t, int, int, int); |
| 109 | static void axen_miibus_statchg(struct ifnet *); |
| 110 | static int axen_cmd(struct axen_softc *, int, int, int, void *); |
| 111 | static int axen_ifmedia_upd(struct ifnet *); |
| 112 | static void axen_ifmedia_sts(struct ifnet *, struct ifmediareq *); |
| 113 | static void axen_reset(struct axen_softc *); |
| 114 | #if 0 |
| 115 | static int axen_ax88179_eeprom(struct axen_softc *, void *); |
| 116 | #endif |
| 117 | |
| 118 | static void axen_iff(struct axen_softc *); |
| 119 | static void axen_lock_mii(struct axen_softc *); |
| 120 | static void axen_unlock_mii(struct axen_softc *); |
| 121 | |
| 122 | static void axen_ax88179_init(struct axen_softc *); |
| 123 | |
| 124 | /* Get exclusive access to the MII registers */ |
| 125 | static void |
| 126 | axen_lock_mii(struct axen_softc *sc) |
| 127 | { |
| 128 | |
| 129 | sc->axen_refcnt++; |
| 130 | rw_enter(&sc->axen_mii_lock, RW_WRITER); |
| 131 | } |
| 132 | |
| 133 | static void |
| 134 | axen_unlock_mii(struct axen_softc *sc) |
| 135 | { |
| 136 | |
| 137 | rw_exit(&sc->axen_mii_lock); |
| 138 | if (--sc->axen_refcnt < 0) |
| 139 | usb_detach_wakeupold(sc->axen_dev); |
| 140 | } |
| 141 | |
| 142 | static int |
| 143 | axen_cmd(struct axen_softc *sc, int cmd, int index, int val, void *buf) |
| 144 | { |
| 145 | usb_device_request_t req; |
| 146 | usbd_status err; |
| 147 | |
| 148 | KASSERT(rw_lock_held(&sc->axen_mii_lock)); |
| 149 | |
| 150 | if (sc->axen_dying) |
| 151 | return 0; |
| 152 | |
| 153 | if (AXEN_CMD_DIR(cmd)) |
| 154 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 155 | else |
| 156 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 157 | req.bRequest = AXEN_CMD_CMD(cmd); |
| 158 | USETW(req.wValue, val); |
| 159 | USETW(req.wIndex, index); |
| 160 | USETW(req.wLength, AXEN_CMD_LEN(cmd)); |
| 161 | |
| 162 | err = usbd_do_request(sc->axen_udev, &req, buf); |
| 163 | DPRINTFN(5, ("axen_cmd: cmd 0x%04x val 0x%04x len %d\n" , |
| 164 | cmd, val, AXEN_CMD_LEN(cmd))); |
| 165 | |
| 166 | if (err) { |
| 167 | DPRINTF(("axen_cmd err: cmd: %d, error: %d\n" , cmd, err)); |
| 168 | return -1; |
| 169 | } |
| 170 | |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | static int |
| 175 | axen_miibus_readreg(device_t dev, int phy, int reg) |
| 176 | { |
| 177 | struct axen_softc *sc = device_private(dev); |
| 178 | usbd_status err; |
| 179 | uint16_t val; |
| 180 | int ival; |
| 181 | |
| 182 | if (sc->axen_dying) { |
| 183 | DPRINTF(("axen: dying\n" )); |
| 184 | return 0; |
| 185 | } |
| 186 | |
| 187 | if (sc->axen_phyno != phy) |
| 188 | return 0; |
| 189 | |
| 190 | axen_lock_mii(sc); |
| 191 | err = axen_cmd(sc, AXEN_CMD_MII_READ_REG, reg, phy, &val); |
| 192 | axen_unlock_mii(sc); |
| 193 | |
| 194 | if (err) { |
| 195 | aprint_error_dev(sc->axen_dev, "read PHY failed\n" ); |
| 196 | return -1; |
| 197 | } |
| 198 | |
| 199 | ival = le16toh(val); |
| 200 | DPRINTFN(2,("axen_miibus_readreg: phy 0x%x reg 0x%x val 0x%x\n" , |
| 201 | phy, reg, ival)); |
| 202 | |
| 203 | if (reg == MII_BMSR) { |
| 204 | ival &= ~BMSR_EXTCAP; |
| 205 | } |
| 206 | |
| 207 | return ival; |
| 208 | } |
| 209 | |
| 210 | static void |
| 211 | axen_miibus_writereg(device_t dev, int phy, int reg, int val) |
| 212 | { |
| 213 | struct axen_softc *sc = device_private(dev); |
| 214 | usbd_status err; |
| 215 | uint16_t uval; |
| 216 | |
| 217 | if (sc->axen_dying) |
| 218 | return; |
| 219 | |
| 220 | if (sc->axen_phyno != phy) |
| 221 | return; |
| 222 | |
| 223 | uval = htole16(val); |
| 224 | axen_lock_mii(sc); |
| 225 | err = axen_cmd(sc, AXEN_CMD_MII_WRITE_REG, reg, phy, &uval); |
| 226 | axen_unlock_mii(sc); |
| 227 | DPRINTFN(2, ("axen_miibus_writereg: phy 0x%x reg 0x%x val 0x%0x\n" , |
| 228 | phy, reg, val)); |
| 229 | |
| 230 | if (err) { |
| 231 | aprint_error_dev(sc->axen_dev, "write PHY failed\n" ); |
| 232 | return; |
| 233 | } |
| 234 | } |
| 235 | |
| 236 | static void |
| 237 | axen_miibus_statchg(struct ifnet *ifp) |
| 238 | { |
| 239 | struct axen_softc *sc = ifp->if_softc; |
| 240 | struct mii_data *mii = GET_MII(sc); |
| 241 | int err; |
| 242 | uint16_t val; |
| 243 | uint16_t wval; |
| 244 | |
| 245 | sc->axen_link = 0; |
| 246 | if ((mii->mii_media_status & (IFM_ACTIVE | IFM_AVALID)) == |
| 247 | (IFM_ACTIVE | IFM_AVALID)) { |
| 248 | switch (IFM_SUBTYPE(mii->mii_media_active)) { |
| 249 | case IFM_10_T: |
| 250 | case IFM_100_TX: |
| 251 | sc->axen_link++; |
| 252 | break; |
| 253 | case IFM_1000_T: |
| 254 | sc->axen_link++; |
| 255 | break; |
| 256 | default: |
| 257 | break; |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | /* Lost link, do nothing. */ |
| 262 | if (sc->axen_link == 0) |
| 263 | return; |
| 264 | |
| 265 | val = 0; |
| 266 | if ((mii->mii_media_active & IFM_GMASK) == IFM_FDX) |
| 267 | val |= AXEN_MEDIUM_FDX; |
| 268 | |
| 269 | val |= (AXEN_MEDIUM_RECV_EN | AXEN_MEDIUM_ALWAYS_ONE); |
| 270 | val |= (AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN); |
| 271 | |
| 272 | switch (IFM_SUBTYPE(mii->mii_media_active)) { |
| 273 | case IFM_1000_T: |
| 274 | val |= AXEN_MEDIUM_GIGA | AXEN_MEDIUM_EN_125MHZ; |
| 275 | break; |
| 276 | case IFM_100_TX: |
| 277 | val |= AXEN_MEDIUM_PS; |
| 278 | break; |
| 279 | case IFM_10_T: |
| 280 | /* doesn't need to be handled */ |
| 281 | break; |
| 282 | } |
| 283 | |
| 284 | DPRINTF(("axen_miibus_statchg: val=0x%x\n" , val)); |
| 285 | wval = htole16(val); |
| 286 | axen_lock_mii(sc); |
| 287 | err = axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); |
| 288 | axen_unlock_mii(sc); |
| 289 | if (err) { |
| 290 | aprint_error_dev(sc->axen_dev, "media change failed\n" ); |
| 291 | return; |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | /* |
| 296 | * Set media options. |
| 297 | */ |
| 298 | static int |
| 299 | axen_ifmedia_upd(struct ifnet *ifp) |
| 300 | { |
| 301 | struct axen_softc *sc = ifp->if_softc; |
| 302 | struct mii_data *mii = GET_MII(sc); |
| 303 | int rc; |
| 304 | |
| 305 | sc->axen_link = 0; |
| 306 | |
| 307 | if (mii->mii_instance) { |
| 308 | struct mii_softc *miisc; |
| 309 | |
| 310 | LIST_FOREACH(miisc, &mii->mii_phys, mii_list) |
| 311 | mii_phy_reset(miisc); |
| 312 | } |
| 313 | |
| 314 | if ((rc = mii_mediachg(mii)) == ENXIO) |
| 315 | return 0; |
| 316 | return rc; |
| 317 | } |
| 318 | |
| 319 | /* |
| 320 | * Report current media status. |
| 321 | */ |
| 322 | static void |
| 323 | axen_ifmedia_sts(struct ifnet *ifp, struct ifmediareq *ifmr) |
| 324 | { |
| 325 | struct axen_softc *sc = ifp->if_softc; |
| 326 | struct mii_data *mii = GET_MII(sc); |
| 327 | |
| 328 | mii_pollstat(mii); |
| 329 | ifmr->ifm_active = mii->mii_media_active; |
| 330 | ifmr->ifm_status = mii->mii_media_status; |
| 331 | } |
| 332 | |
| 333 | static void |
| 334 | axen_iff(struct axen_softc *sc) |
| 335 | { |
| 336 | struct ifnet *ifp = GET_IFP(sc); |
| 337 | struct ethercom *ec = &sc->axen_ec; |
| 338 | struct ether_multi *enm; |
| 339 | struct ether_multistep step; |
| 340 | uint32_t h = 0; |
| 341 | uint16_t rxmode; |
| 342 | uint8_t hashtbl[8] = { 0, 0, 0, 0, 0, 0, 0, 0 }; |
| 343 | uint16_t wval; |
| 344 | |
| 345 | if (sc->axen_dying) |
| 346 | return; |
| 347 | |
| 348 | rxmode = 0; |
| 349 | |
| 350 | /* Enable receiver, set RX mode */ |
| 351 | axen_lock_mii(sc); |
| 352 | axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); |
| 353 | rxmode = le16toh(wval); |
| 354 | rxmode &= ~(AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_ACPT_PHY_MCAST | |
| 355 | AXEN_RXCTL_PROMISC); |
| 356 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 357 | |
| 358 | /* |
| 359 | * Always accept broadcast frames. |
| 360 | * Always accept frames destined to our station address. |
| 361 | */ |
| 362 | rxmode |= AXEN_RXCTL_ACPT_BCAST; |
| 363 | |
| 364 | if (ifp->if_flags & IFF_PROMISC || ec->ec_multicnt > 0 /* XXX */) { |
| 365 | ifp->if_flags |= IFF_ALLMULTI; |
| 366 | rxmode |= AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_ACPT_PHY_MCAST; |
| 367 | if (ifp->if_flags & IFF_PROMISC) |
| 368 | rxmode |= AXEN_RXCTL_PROMISC; |
| 369 | } else { |
| 370 | rxmode |= AXEN_RXCTL_ACPT_ALL_MCAST | AXEN_RXCTL_ACPT_PHY_MCAST; |
| 371 | |
| 372 | /* now program new ones */ |
| 373 | ETHER_FIRST_MULTI(step, ec, enm); |
| 374 | while (enm != NULL) { |
| 375 | h = ether_crc32_be(enm->enm_addrlo, |
| 376 | ETHER_ADDR_LEN) >> 26; |
| 377 | hashtbl[h / 8] |= 1 << (h % 8); |
| 378 | ETHER_NEXT_MULTI(step, enm); |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | axen_cmd(sc, AXEN_CMD_MAC_WRITE_FILTER, 8, AXEN_FILTER_MULTI, hashtbl); |
| 383 | wval = htole16(rxmode); |
| 384 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); |
| 385 | axen_unlock_mii(sc); |
| 386 | } |
| 387 | |
| 388 | static void |
| 389 | axen_reset(struct axen_softc *sc) |
| 390 | { |
| 391 | |
| 392 | if (sc->axen_dying) |
| 393 | return; |
| 394 | /* XXX What to reset? */ |
| 395 | |
| 396 | /* Wait a little while for the chip to get its brains in order. */ |
| 397 | DELAY(1000); |
| 398 | } |
| 399 | |
| 400 | #if 0 /* not used */ |
| 401 | #define AXEN_GPIO_WRITE(x,y) do { \ |
| 402 | axen_cmd(sc, AXEN_CMD_WRITE_GPIO, 0, (x), NULL); \ |
| 403 | usbd_delay_ms(sc->axen_udev, (y)); \ |
| 404 | } while (/*CONSTCOND*/0) |
| 405 | |
| 406 | static int |
| 407 | axen_ax88179_eeprom(struct axen_softc *sc, void *addr) |
| 408 | { |
| 409 | int i, retry; |
| 410 | uint8_t eeprom[20]; |
| 411 | uint16_t csum; |
| 412 | uint16_t buf; |
| 413 | |
| 414 | for (i = 0; i < 6; i++) { |
| 415 | /* set eeprom address */ |
| 416 | buf = htole16(i); |
| 417 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MAC_EEPROM_ADDR, &buf); |
| 418 | |
| 419 | /* set eeprom command */ |
| 420 | buf = htole16(AXEN_EEPROM_READ); |
| 421 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MAC_EEPROM_CMD, &buf); |
| 422 | |
| 423 | /* check the value is ready */ |
| 424 | retry = 3; |
| 425 | do { |
| 426 | buf = htole16(AXEN_EEPROM_READ); |
| 427 | usbd_delay_ms(sc->axen_udev, 10); |
| 428 | axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MAC_EEPROM_CMD, |
| 429 | &buf); |
| 430 | retry--; |
| 431 | if (retry < 0) |
| 432 | return EINVAL; |
| 433 | } while ((le16toh(buf) & 0xff) & AXEN_EEPROM_BUSY); |
| 434 | |
| 435 | /* read data */ |
| 436 | axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_EEPROM_READ, |
| 437 | &eeprom[i * 2]); |
| 438 | |
| 439 | /* sanity check */ |
| 440 | if ((i == 0) && (eeprom[0] == 0xff)) |
| 441 | return EINVAL; |
| 442 | } |
| 443 | |
| 444 | /* check checksum */ |
| 445 | csum = eeprom[6] + eeprom[7] + eeprom[8] + eeprom[9]; |
| 446 | csum = (csum >> 8) + (csum & 0xff) + eeprom[10]; |
| 447 | if (csum != 0xff) { |
| 448 | printf("eeprom checksum mismatchi(0x%02x)\n" , csum); |
| 449 | return EINVAL; |
| 450 | } |
| 451 | |
| 452 | memcpy(addr, eeprom, ETHER_ADDR_LEN); |
| 453 | return 0; |
| 454 | } |
| 455 | #endif |
| 456 | |
| 457 | static void |
| 458 | axen_ax88179_init(struct axen_softc *sc) |
| 459 | { |
| 460 | struct axen_qctrl qctrl; |
| 461 | uint16_t ctl, temp; |
| 462 | uint16_t wval; |
| 463 | uint8_t val; |
| 464 | |
| 465 | axen_lock_mii(sc); |
| 466 | |
| 467 | /* XXX: ? */ |
| 468 | axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_UNK_05, &val); |
| 469 | DPRINTFN(5, ("AXEN_CMD_MAC_READ(0x05): 0x%02x\n" , val)); |
| 470 | |
| 471 | /* check AX88179 version, UA1 / UA2 */ |
| 472 | axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_GENERAL_STATUS, &val); |
| 473 | /* UA1 */ |
| 474 | if (!(val & AXEN_GENERAL_STATUS_MASK)) { |
| 475 | sc->axen_rev = AXEN_REV_UA1; |
| 476 | DPRINTF(("AX88179 ver. UA1\n" )); |
| 477 | } else { |
| 478 | sc->axen_rev = AXEN_REV_UA2; |
| 479 | DPRINTF(("AX88179 ver. UA2\n" )); |
| 480 | } |
| 481 | |
| 482 | /* power up ethernet PHY */ |
| 483 | wval = htole16(0); |
| 484 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); |
| 485 | |
| 486 | wval = htole16(AXEN_PHYPWR_RSTCTL_IPRL); |
| 487 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); |
| 488 | usbd_delay_ms(sc->axen_udev, 200); |
| 489 | |
| 490 | /* set clock mode */ |
| 491 | val = AXEN_PHYCLK_ACS | AXEN_PHYCLK_BCS; |
| 492 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); |
| 493 | usbd_delay_ms(sc->axen_udev, 100); |
| 494 | |
| 495 | /* set monitor mode (disable) */ |
| 496 | val = AXEN_MONITOR_NONE; |
| 497 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); |
| 498 | |
| 499 | /* enable auto detach */ |
| 500 | axen_cmd(sc, AXEN_CMD_EEPROM_READ, 2, AXEN_EEPROM_STAT, &wval); |
| 501 | temp = le16toh(wval); |
| 502 | DPRINTFN(2,("EEPROM0x43 = 0x%04x\n" , temp)); |
| 503 | if (!(temp == 0xffff) && !(temp & 0x0100)) { |
| 504 | /* Enable auto detach bit */ |
| 505 | val = 0; |
| 506 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); |
| 507 | val = AXEN_PHYCLK_ULR; |
| 508 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PHYCLK, &val); |
| 509 | usbd_delay_ms(sc->axen_udev, 100); |
| 510 | |
| 511 | axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_PHYPWR_RSTCTL, &wval); |
| 512 | ctl = le16toh(wval); |
| 513 | ctl |= AXEN_PHYPWR_RSTCTL_AUTODETACH; |
| 514 | wval = htole16(ctl); |
| 515 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_PHYPWR_RSTCTL, &wval); |
| 516 | usbd_delay_ms(sc->axen_udev, 200); |
| 517 | aprint_error_dev(sc->axen_dev, "enable auto detach (0x%04x)\n" , |
| 518 | ctl); |
| 519 | } |
| 520 | |
| 521 | /* bulkin queue setting */ |
| 522 | axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_USB_UPLINK, &val); |
| 523 | switch (val) { |
| 524 | case AXEN_USB_FS: |
| 525 | DPRINTF(("uplink: USB1.1\n" )); |
| 526 | qctrl.ctrl = 0x07; |
| 527 | qctrl.timer_low = 0xcc; |
| 528 | qctrl.timer_high = 0x4c; |
| 529 | qctrl.bufsize = AXEN_BUFSZ_LS - 1; |
| 530 | qctrl.ifg = 0x08; |
| 531 | break; |
| 532 | case AXEN_USB_HS: |
| 533 | DPRINTF(("uplink: USB2.0\n" )); |
| 534 | qctrl.ctrl = 0x07; |
| 535 | qctrl.timer_low = 0x02; |
| 536 | qctrl.timer_high = 0xa0; |
| 537 | qctrl.bufsize = AXEN_BUFSZ_HS - 1; |
| 538 | qctrl.ifg = 0xff; |
| 539 | break; |
| 540 | case AXEN_USB_SS: |
| 541 | DPRINTF(("uplink: USB3.0\n" )); |
| 542 | qctrl.ctrl = 0x07; |
| 543 | qctrl.timer_low = 0x4f; |
| 544 | qctrl.timer_high = 0x00; |
| 545 | qctrl.bufsize = AXEN_BUFSZ_SS - 1; |
| 546 | qctrl.ifg = 0xff; |
| 547 | break; |
| 548 | default: |
| 549 | aprint_error_dev(sc->axen_dev, "unknown uplink bus:0x%02x\n" , |
| 550 | val); |
| 551 | axen_unlock_mii(sc); |
| 552 | return; |
| 553 | } |
| 554 | axen_cmd(sc, AXEN_CMD_MAC_SET_RXSR, 5, AXEN_RX_BULKIN_QCTRL, &qctrl); |
| 555 | |
| 556 | /* |
| 557 | * set buffer high/low watermark to pause/resume. |
| 558 | * write 2byte will set high/log simultaneous with AXEN_PAUSE_HIGH. |
| 559 | * XXX: what is the best value? OSX driver uses 0x3c-0x4c as LOW-HIGH |
| 560 | * watermark parameters. |
| 561 | */ |
| 562 | val = 0x34; |
| 563 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_LOW_WATERMARK, &val); |
| 564 | val = 0x52; |
| 565 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_PAUSE_HIGH_WATERMARK, &val); |
| 566 | |
| 567 | /* Set RX/TX configuration. */ |
| 568 | /* Offloadng enable */ |
| 569 | #ifdef AXEN_TOE |
| 570 | val = AXEN_RXCOE_IPv4 | AXEN_RXCOE_TCPv4 | AXEN_RXCOE_UDPv4 | |
| 571 | AXEN_RXCOE_TCPv6 | AXEN_RXCOE_UDPv6; |
| 572 | #else |
| 573 | val = AXEN_RXCOE_OFF; |
| 574 | #endif |
| 575 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_RX_COE, &val); |
| 576 | |
| 577 | #ifdef AXEN_TOE |
| 578 | val = AXEN_TXCOE_IPv4 | AXEN_TXCOE_TCPv4 | AXEN_TXCOE_UDPv4 | |
| 579 | AXEN_TXCOE_TCPv6 | AXEN_TXCOE_UDPv6; |
| 580 | #else |
| 581 | val = AXEN_TXCOE_OFF; |
| 582 | #endif |
| 583 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_TX_COE, &val); |
| 584 | |
| 585 | /* Set RX control register */ |
| 586 | ctl = AXEN_RXCTL_IPE | AXEN_RXCTL_DROPCRCERR | AXEN_RXCTL_AUTOB; |
| 587 | ctl |= AXEN_RXCTL_ACPT_PHY_MCAST | AXEN_RXCTL_ACPT_ALL_MCAST; |
| 588 | ctl |= AXEN_RXCTL_START; |
| 589 | wval = htole16(ctl); |
| 590 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); |
| 591 | |
| 592 | /* set monitor mode (enable) */ |
| 593 | val = AXEN_MONITOR_PMETYPE | AXEN_MONITOR_PMEPOL | AXEN_MONITOR_RWMP; |
| 594 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_MONITOR_MODE, &val); |
| 595 | axen_cmd(sc, AXEN_CMD_MAC_READ, 1, AXEN_MONITOR_MODE, &val); |
| 596 | DPRINTF(("axen: Monitor mode = 0x%02x\n" , val)); |
| 597 | |
| 598 | /* set medium type */ |
| 599 | ctl = AXEN_MEDIUM_GIGA | AXEN_MEDIUM_FDX | AXEN_MEDIUM_ALWAYS_ONE | |
| 600 | AXEN_MEDIUM_RXFLOW_CTRL_EN | AXEN_MEDIUM_TXFLOW_CTRL_EN; |
| 601 | ctl |= AXEN_MEDIUM_RECV_EN; |
| 602 | wval = htole16(ctl); |
| 603 | DPRINTF(("axen: set to medium mode: 0x%04x\n" , ctl)); |
| 604 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MEDIUM_STATUS, &wval); |
| 605 | usbd_delay_ms(sc->axen_udev, 100); |
| 606 | |
| 607 | axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MEDIUM_STATUS, &wval); |
| 608 | DPRINTF(("axen: current medium mode: 0x%04x\n" , le16toh(wval))); |
| 609 | |
| 610 | axen_unlock_mii(sc); |
| 611 | |
| 612 | #if 0 /* XXX: TBD.... */ |
| 613 | #define GMII_LED_ACTIVE 0x1a |
| 614 | #define GMII_PHY_PAGE_SEL 0x1e |
| 615 | #define GMII_PHY_PAGE_SEL 0x1f |
| 616 | #define GMII_PAGE_EXT 0x0007 |
| 617 | axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE_SEL, |
| 618 | GMII_PAGE_EXT); |
| 619 | axen_miibus_writereg(&sc->axen_dev, sc->axen_phyno, GMII_PHY_PAGE, |
| 620 | 0x002c); |
| 621 | #endif |
| 622 | |
| 623 | #if 1 /* XXX: phy hack ? */ |
| 624 | axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x1F, 0x0005); |
| 625 | axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x0C, 0x0000); |
| 626 | val = axen_miibus_readreg(sc->axen_dev, sc->axen_phyno, 0x0001); |
| 627 | axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x01, |
| 628 | val | 0x0080); |
| 629 | axen_miibus_writereg(sc->axen_dev, sc->axen_phyno, 0x1F, 0x0000); |
| 630 | #endif |
| 631 | } |
| 632 | |
| 633 | static int |
| 634 | axen_match(device_t parent, cfdata_t match, void *aux) |
| 635 | { |
| 636 | struct usb_attach_arg *uaa = aux; |
| 637 | |
| 638 | return axen_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
| 639 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 640 | } |
| 641 | |
| 642 | static void |
| 643 | axen_attach(device_t parent, device_t self, void *aux) |
| 644 | { |
| 645 | struct axen_softc *sc = device_private(self); |
| 646 | struct usb_attach_arg *uaa = aux; |
| 647 | struct usbd_device *dev = uaa->uaa_device; |
| 648 | usbd_status err; |
| 649 | usb_interface_descriptor_t *id; |
| 650 | usb_endpoint_descriptor_t *ed; |
| 651 | struct mii_data *mii; |
| 652 | uint8_t eaddr[ETHER_ADDR_LEN]; |
| 653 | char *devinfop; |
| 654 | const char *devname = device_xname(self); |
| 655 | struct ifnet *ifp; |
| 656 | int i, s; |
| 657 | |
| 658 | aprint_naive("\n" ); |
| 659 | aprint_normal("\n" ); |
| 660 | |
| 661 | sc->axen_dev = self; |
| 662 | sc->axen_udev = dev; |
| 663 | |
| 664 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 665 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 666 | usbd_devinfo_free(devinfop); |
| 667 | |
| 668 | err = usbd_set_config_no(dev, AXEN_CONFIG_NO, 1); |
| 669 | if (err) { |
| 670 | aprint_error_dev(self, "failed to set configuration" |
| 671 | ", err=%s\n" , usbd_errstr(err)); |
| 672 | return; |
| 673 | } |
| 674 | |
| 675 | sc->axen_flags = axen_lookup(uaa->uaa_vendor, uaa->uaa_product)->axen_flags; |
| 676 | |
| 677 | rw_init(&sc->axen_mii_lock); |
| 678 | usb_init_task(&sc->axen_tick_task, axen_tick_task, sc, 0); |
| 679 | |
| 680 | err = usbd_device2interface_handle(dev, AXEN_IFACE_IDX,&sc->axen_iface); |
| 681 | if (err) { |
| 682 | aprint_error_dev(self, "getting interface handle failed\n" ); |
| 683 | return; |
| 684 | } |
| 685 | |
| 686 | sc->axen_product = uaa->uaa_product; |
| 687 | sc->axen_vendor = uaa->uaa_vendor; |
| 688 | |
| 689 | id = usbd_get_interface_descriptor(sc->axen_iface); |
| 690 | |
| 691 | /* decide on what our bufsize will be */ |
| 692 | switch (sc->axen_udev->ud_speed) { |
| 693 | case USB_SPEED_SUPER: |
| 694 | sc->axen_bufsz = AXEN_BUFSZ_SS * 1024; |
| 695 | break; |
| 696 | case USB_SPEED_HIGH: |
| 697 | sc->axen_bufsz = AXEN_BUFSZ_HS * 1024; |
| 698 | break; |
| 699 | default: |
| 700 | sc->axen_bufsz = AXEN_BUFSZ_LS * 1024; |
| 701 | break; |
| 702 | } |
| 703 | |
| 704 | /* Find endpoints. */ |
| 705 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 706 | ed = usbd_interface2endpoint_descriptor(sc->axen_iface, i); |
| 707 | if (!ed) { |
| 708 | aprint_error_dev(self, "couldn't get ep %d\n" , i); |
| 709 | return; |
| 710 | } |
| 711 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 712 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 713 | sc->axen_ed[AXEN_ENDPT_RX] = ed->bEndpointAddress; |
| 714 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
| 715 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 716 | sc->axen_ed[AXEN_ENDPT_TX] = ed->bEndpointAddress; |
| 717 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 718 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { |
| 719 | sc->axen_ed[AXEN_ENDPT_INTR] = ed->bEndpointAddress; |
| 720 | } |
| 721 | } |
| 722 | |
| 723 | s = splnet(); |
| 724 | |
| 725 | sc->axen_phyno = AXEN_PHY_ID; |
| 726 | DPRINTF(("%s: phyno %d\n" , device_xname(self), sc->axen_phyno)); |
| 727 | |
| 728 | /* |
| 729 | * Get station address. |
| 730 | */ |
| 731 | #if 0 /* read from eeprom */ |
| 732 | if (axen_ax88179_eeprom(sc, &eaddr)) { |
| 733 | printf("EEPROM checksum error\n" ); |
| 734 | return; |
| 735 | } |
| 736 | #else /* use MAC command */ |
| 737 | axen_lock_mii(sc); |
| 738 | axen_cmd(sc, AXEN_CMD_MAC_READ_ETHER, 6, AXEN_CMD_MAC_NODE_ID, &eaddr); |
| 739 | axen_unlock_mii(sc); |
| 740 | #endif |
| 741 | axen_ax88179_init(sc); |
| 742 | |
| 743 | /* |
| 744 | * An ASIX chip was detected. Inform the world. |
| 745 | */ |
| 746 | if (sc->axen_flags & AX178A) |
| 747 | aprint_normal_dev(self, "AX88178a\n" ); |
| 748 | else if (sc->axen_flags & AX179) |
| 749 | aprint_normal_dev(self, "AX88179\n" ); |
| 750 | aprint_normal_dev(self, "Ethernet address %s\n" , ether_sprintf(eaddr)); |
| 751 | |
| 752 | /* Initialize interface info.*/ |
| 753 | |
| 754 | ifp = &sc->sc_if; |
| 755 | ifp->if_softc = sc; |
| 756 | strlcpy(ifp->if_xname, devname, IFNAMSIZ); |
| 757 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
| 758 | ifp->if_ioctl = axen_ioctl; |
| 759 | ifp->if_start = axen_start; |
| 760 | ifp->if_init = axen_init; |
| 761 | ifp->if_stop = axen_stop; |
| 762 | ifp->if_watchdog = axen_watchdog; |
| 763 | |
| 764 | IFQ_SET_READY(&ifp->if_snd); |
| 765 | |
| 766 | sc->axen_ec.ec_capabilities = ETHERCAP_VLAN_MTU; |
| 767 | #ifdef AXEN_TOE |
| 768 | ifp->if_capabilities |= IFCAP_CSUM_IPv4_Rx | IFCAP_CSUM_IPv4_Tx | |
| 769 | IFCAP_CSUM_TCPv4_Rx | IFCAP_CSUM_TCPv4_Tx | |
| 770 | IFCAP_CSUM_UDPv4_Rx | IFCAP_CSUM_UDPv4_Tx | |
| 771 | IFCAP_CSUM_TCPv6_Rx | IFCAP_CSUM_TCPv6_Tx | |
| 772 | IFCAP_CSUM_UDPv6_Rx | IFCAP_CSUM_UDPv6_Tx; |
| 773 | #endif |
| 774 | |
| 775 | /* Initialize MII/media info. */ |
| 776 | mii = &sc->axen_mii; |
| 777 | mii->mii_ifp = ifp; |
| 778 | mii->mii_readreg = axen_miibus_readreg; |
| 779 | mii->mii_writereg = axen_miibus_writereg; |
| 780 | mii->mii_statchg = axen_miibus_statchg; |
| 781 | mii->mii_flags = MIIF_AUTOTSLEEP; |
| 782 | |
| 783 | sc->axen_ec.ec_mii = mii; |
| 784 | ifmedia_init(&mii->mii_media, 0, axen_ifmedia_upd, axen_ifmedia_sts); |
| 785 | mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); |
| 786 | |
| 787 | if (LIST_FIRST(&mii->mii_phys) == NULL) { |
| 788 | ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); |
| 789 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); |
| 790 | } else |
| 791 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); |
| 792 | |
| 793 | /* Attach the interface. */ |
| 794 | if_attach(ifp); |
| 795 | ether_ifattach(ifp, eaddr); |
| 796 | rnd_attach_source(&sc->rnd_source, device_xname(sc->axen_dev), |
| 797 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
| 798 | |
| 799 | callout_init(&sc->axen_stat_ch, 0); |
| 800 | callout_setfunc(&sc->axen_stat_ch, axen_tick, sc); |
| 801 | |
| 802 | sc->axen_attached = true; |
| 803 | splx(s); |
| 804 | |
| 805 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->axen_udev,sc->axen_dev); |
| 806 | |
| 807 | if (!pmf_device_register(self, NULL, NULL)) |
| 808 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
| 809 | } |
| 810 | |
| 811 | static int |
| 812 | axen_detach(device_t self, int flags) |
| 813 | { |
| 814 | struct axen_softc *sc = device_private(self); |
| 815 | struct ifnet *ifp = GET_IFP(sc); |
| 816 | int s; |
| 817 | |
| 818 | DPRINTFN(2,("%s: %s: enter\n" , device_xname(sc->axen_dev), __func__)); |
| 819 | |
| 820 | /* Detached before attached finished, so just bail out. */ |
| 821 | if (!sc->axen_attached) |
| 822 | return 0; |
| 823 | |
| 824 | pmf_device_deregister(self); |
| 825 | |
| 826 | sc->axen_dying = true; |
| 827 | |
| 828 | /* |
| 829 | * Remove any pending tasks. They cannot be executing because they run |
| 830 | * in the same thread as detach. |
| 831 | */ |
| 832 | usb_rem_task(sc->axen_udev, &sc->axen_tick_task); |
| 833 | |
| 834 | s = splusb(); |
| 835 | |
| 836 | if (ifp->if_flags & IFF_RUNNING) |
| 837 | axen_stop(ifp, 1); |
| 838 | |
| 839 | callout_destroy(&sc->axen_stat_ch); |
| 840 | rnd_detach_source(&sc->rnd_source); |
| 841 | mii_detach(&sc->axen_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
| 842 | ifmedia_delete_instance(&sc->axen_mii.mii_media, IFM_INST_ANY); |
| 843 | ether_ifdetach(ifp); |
| 844 | if_detach(ifp); |
| 845 | |
| 846 | #ifdef DIAGNOSTIC |
| 847 | if (sc->axen_ep[AXEN_ENDPT_TX] != NULL || |
| 848 | sc->axen_ep[AXEN_ENDPT_RX] != NULL || |
| 849 | sc->axen_ep[AXEN_ENDPT_INTR] != NULL) |
| 850 | aprint_debug_dev(self, "detach has active endpoints\n" ); |
| 851 | #endif |
| 852 | |
| 853 | sc->axen_attached = false; |
| 854 | |
| 855 | if (--sc->axen_refcnt >= 0) { |
| 856 | /* Wait for processes to go away. */ |
| 857 | usb_detach_waitold(sc->axen_dev); |
| 858 | } |
| 859 | splx(s); |
| 860 | |
| 861 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->axen_udev,sc->axen_dev); |
| 862 | |
| 863 | rw_destroy(&sc->axen_mii_lock); |
| 864 | |
| 865 | return 0; |
| 866 | } |
| 867 | |
| 868 | static int |
| 869 | axen_activate(device_t self, devact_t act) |
| 870 | { |
| 871 | struct axen_softc *sc = device_private(self); |
| 872 | struct ifnet *ifp = GET_IFP(sc); |
| 873 | |
| 874 | DPRINTFN(2,("%s: %s: enter\n" , device_xname(sc->axen_dev), __func__)); |
| 875 | |
| 876 | switch (act) { |
| 877 | case DVACT_DEACTIVATE: |
| 878 | if_deactivate(ifp); |
| 879 | sc->axen_dying = true; |
| 880 | return 0; |
| 881 | default: |
| 882 | return EOPNOTSUPP; |
| 883 | } |
| 884 | } |
| 885 | |
| 886 | static struct mbuf * |
| 887 | axen_newbuf(void) |
| 888 | { |
| 889 | struct mbuf *m; |
| 890 | |
| 891 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
| 892 | if (m == NULL) |
| 893 | return NULL; |
| 894 | |
| 895 | MCLGET(m, M_DONTWAIT); |
| 896 | if (!(m->m_flags & M_EXT)) { |
| 897 | m_freem(m); |
| 898 | return NULL; |
| 899 | } |
| 900 | |
| 901 | m->m_len = m->m_pkthdr.len = MCLBYTES; |
| 902 | m_adj(m, ETHER_ALIGN); |
| 903 | |
| 904 | return m; |
| 905 | } |
| 906 | |
| 907 | static int |
| 908 | axen_rx_list_init(struct axen_softc *sc) |
| 909 | { |
| 910 | struct axen_cdata *cd; |
| 911 | struct axen_chain *c; |
| 912 | int i; |
| 913 | |
| 914 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->axen_dev), __func__)); |
| 915 | |
| 916 | cd = &sc->axen_cdata; |
| 917 | for (i = 0; i < AXEN_RX_LIST_CNT; i++) { |
| 918 | c = &cd->axen_rx_chain[i]; |
| 919 | c->axen_sc = sc; |
| 920 | c->axen_idx = i; |
| 921 | if (c->axen_xfer == NULL) { |
| 922 | int err = usbd_create_xfer(sc->axen_ep[AXEN_ENDPT_RX], |
| 923 | sc->axen_bufsz, USBD_SHORT_XFER_OK, 0, |
| 924 | &c->axen_xfer); |
| 925 | if (err) |
| 926 | return err; |
| 927 | c->axen_buf = usbd_get_buffer(c->axen_xfer); |
| 928 | } |
| 929 | } |
| 930 | |
| 931 | return 0; |
| 932 | } |
| 933 | |
| 934 | static int |
| 935 | axen_tx_list_init(struct axen_softc *sc) |
| 936 | { |
| 937 | struct axen_cdata *cd; |
| 938 | struct axen_chain *c; |
| 939 | int i; |
| 940 | |
| 941 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->axen_dev), __func__)); |
| 942 | |
| 943 | cd = &sc->axen_cdata; |
| 944 | for (i = 0; i < AXEN_TX_LIST_CNT; i++) { |
| 945 | c = &cd->axen_tx_chain[i]; |
| 946 | c->axen_sc = sc; |
| 947 | c->axen_idx = i; |
| 948 | if (c->axen_xfer == NULL) { |
| 949 | int err = usbd_create_xfer(sc->axen_ep[AXEN_ENDPT_TX], |
| 950 | sc->axen_bufsz, USBD_FORCE_SHORT_XFER, 0, |
| 951 | &c->axen_xfer); |
| 952 | if (err) |
| 953 | return err; |
| 954 | c->axen_buf = usbd_get_buffer(c->axen_xfer); |
| 955 | } |
| 956 | } |
| 957 | |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | /* |
| 962 | * A frame has been uploaded: pass the resulting mbuf chain up to |
| 963 | * the higher level protocols. |
| 964 | */ |
| 965 | static void |
| 966 | axen_rxeof(struct usbd_xfer *xfer, void * priv, usbd_status status) |
| 967 | { |
| 968 | struct axen_chain *c = (struct axen_chain *)priv; |
| 969 | struct axen_softc *sc = c->axen_sc; |
| 970 | struct ifnet *ifp = GET_IFP(sc); |
| 971 | uint8_t *buf = c->axen_buf; |
| 972 | struct mbuf *m; |
| 973 | uint32_t total_len; |
| 974 | uint32_t rx_hdr, pkt_hdr; |
| 975 | uint32_t *hdr_p; |
| 976 | uint16_t hdr_offset, pkt_count; |
| 977 | size_t pkt_len; |
| 978 | size_t temp; |
| 979 | int s; |
| 980 | |
| 981 | DPRINTFN(10,("%s: %s: enter\n" , device_xname(sc->axen_dev), __func__)); |
| 982 | |
| 983 | if (sc->axen_dying) |
| 984 | return; |
| 985 | |
| 986 | if (!(ifp->if_flags & IFF_RUNNING)) |
| 987 | return; |
| 988 | |
| 989 | if (status != USBD_NORMAL_COMPLETION) { |
| 990 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
| 991 | return; |
| 992 | if (usbd_ratecheck(&sc->axen_rx_notice)) { |
| 993 | aprint_error_dev(sc->axen_dev, "usb errors on rx: %s\n" , |
| 994 | usbd_errstr(status)); |
| 995 | } |
| 996 | if (status == USBD_STALLED) |
| 997 | usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_RX]); |
| 998 | goto done; |
| 999 | } |
| 1000 | |
| 1001 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
| 1002 | |
| 1003 | if (total_len < sizeof(pkt_hdr)) { |
| 1004 | ifp->if_ierrors++; |
| 1005 | goto done; |
| 1006 | } |
| 1007 | |
| 1008 | /* |
| 1009 | * buffer map |
| 1010 | * [packet #0]...[packet #n][pkt hdr#0]..[pkt hdr#n][recv_hdr] |
| 1011 | * each packet has 0xeeee as psuedo header.. |
| 1012 | */ |
| 1013 | hdr_p = (uint32_t *)(buf + total_len - sizeof(uint32_t)); |
| 1014 | rx_hdr = le32toh(*hdr_p); |
| 1015 | hdr_offset = (uint16_t)(rx_hdr >> 16); |
| 1016 | pkt_count = (uint16_t)(rx_hdr & 0xffff); |
| 1017 | |
| 1018 | if (total_len > sc->axen_bufsz) { |
| 1019 | aprint_error_dev(sc->axen_dev, "rxeof: too large transfer\n" ); |
| 1020 | goto done; |
| 1021 | } |
| 1022 | |
| 1023 | /* sanity check */ |
| 1024 | if (hdr_offset > total_len) { |
| 1025 | ifp->if_ierrors++; |
| 1026 | usbd_delay_ms(sc->axen_udev, 100); |
| 1027 | goto done; |
| 1028 | } |
| 1029 | |
| 1030 | /* point first packet header */ |
| 1031 | hdr_p = (uint32_t *)(buf + hdr_offset); |
| 1032 | |
| 1033 | /* |
| 1034 | * ax88179 will pack multiple ip packet to a USB transaction. |
| 1035 | * process all of packets in the buffer |
| 1036 | */ |
| 1037 | |
| 1038 | #if 1 /* XXX: paranoiac check. need to remove later */ |
| 1039 | #define AXEN_MAX_PACKED_PACKET 200 |
| 1040 | if (pkt_count > AXEN_MAX_PACKED_PACKET) { |
| 1041 | DPRINTF(("%s: Too many packets (%d) in a transaction, discard.\n" , |
| 1042 | device_xname(sc->axen_dev), pkt_count)); |
| 1043 | goto done; |
| 1044 | } |
| 1045 | #endif |
| 1046 | |
| 1047 | do { |
| 1048 | if ((buf[0] != 0xee) || (buf[1] != 0xee)){ |
| 1049 | aprint_error_dev(sc->axen_dev, |
| 1050 | "invalid buffer(pkt#%d), continue\n" , pkt_count); |
| 1051 | ifp->if_ierrors += pkt_count; |
| 1052 | goto done; |
| 1053 | } |
| 1054 | |
| 1055 | pkt_hdr = le32toh(*hdr_p); |
| 1056 | pkt_len = (pkt_hdr >> 16) & 0x1fff; |
| 1057 | DPRINTFN(10, |
| 1058 | ("%s: rxeof: packet#%d, pkt_hdr 0x%08x, pkt_len %zu\n" , |
| 1059 | device_xname(sc->axen_dev), pkt_count, pkt_hdr, pkt_len)); |
| 1060 | |
| 1061 | if ((pkt_hdr & AXEN_RXHDR_CRC_ERR) || |
| 1062 | (pkt_hdr & AXEN_RXHDR_DROP_ERR)) { |
| 1063 | ifp->if_ierrors++; |
| 1064 | /* move to next pkt header */ |
| 1065 | DPRINTF(("%s: crc err (pkt#%d)\n" , |
| 1066 | device_xname(sc->axen_dev), pkt_count)); |
| 1067 | goto nextpkt; |
| 1068 | } |
| 1069 | |
| 1070 | /* process each packet */ |
| 1071 | /* allocate mbuf */ |
| 1072 | m = axen_newbuf(); |
| 1073 | if (m == NULL) { |
| 1074 | ifp->if_ierrors++; |
| 1075 | goto nextpkt; |
| 1076 | } |
| 1077 | |
| 1078 | /* skip pseudo header (2byte) */ |
| 1079 | ifp->if_ipackets++; |
| 1080 | m_set_rcvif(m, ifp); |
| 1081 | m->m_pkthdr.len = m->m_len = pkt_len - 6; |
| 1082 | |
| 1083 | #ifdef AXEN_TOE |
| 1084 | /* cheksum err */ |
| 1085 | if ((pkt_hdr & AXEN_RXHDR_L3CSUM_ERR) || |
| 1086 | (pkt_hdr & AXEN_RXHDR_L4CSUM_ERR)) { |
| 1087 | aprint_error_dev(sc->axen_dev, |
| 1088 | "checksum err (pkt#%d)\n" , pkt_count); |
| 1089 | goto nextpkt; |
| 1090 | } else { |
| 1091 | m->m_pkthdr.csum_flags |= M_CSUM_IPv4; |
| 1092 | } |
| 1093 | |
| 1094 | int l4_type = (pkt_hdr & AXEN_RXHDR_L4_TYPE_MASK) >> |
| 1095 | AXEN_RXHDR_L4_TYPE_OFFSET; |
| 1096 | |
| 1097 | if ((l4_type == AXEN_RXHDR_L4_TYPE_TCP) || |
| 1098 | (l4_type == AXEN_RXHDR_L4_TYPE_UDP)) { |
| 1099 | m->m_pkthdr.csum_flags |= M_CSUM_TCPv4 | |
| 1100 | M_CSUM_UDPv4; /* XXX v6? */ |
| 1101 | } |
| 1102 | #endif |
| 1103 | |
| 1104 | memcpy(mtod(m, char *), buf + 2, pkt_len - 6); |
| 1105 | |
| 1106 | /* push the packet up */ |
| 1107 | s = splnet(); |
| 1108 | bpf_mtap(ifp, m); |
| 1109 | if_percpuq_enqueue((ifp)->if_percpuq, (m)); |
| 1110 | splx(s); |
| 1111 | |
| 1112 | nextpkt: |
| 1113 | /* |
| 1114 | * prepare next packet |
| 1115 | * as each packet will be aligned 8byte boundary, |
| 1116 | * need to fix up the start point of the buffer. |
| 1117 | */ |
| 1118 | temp = ((pkt_len + 7) & 0xfff8); |
| 1119 | buf = buf + temp; |
| 1120 | hdr_p++; |
| 1121 | pkt_count--; |
| 1122 | } while( pkt_count > 0); |
| 1123 | |
| 1124 | done: |
| 1125 | /* clear buffer for next transaction */ |
| 1126 | memset(c->axen_buf, 0, sc->axen_bufsz); |
| 1127 | |
| 1128 | /* Setup new transfer. */ |
| 1129 | usbd_setup_xfer(xfer, c, c->axen_buf, sc->axen_bufsz, |
| 1130 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axen_rxeof); |
| 1131 | usbd_transfer(xfer); |
| 1132 | |
| 1133 | DPRINTFN(10,("%s: %s: start rx\n" ,device_xname(sc->axen_dev),__func__)); |
| 1134 | } |
| 1135 | |
| 1136 | /* |
| 1137 | * A frame was downloaded to the chip. It's safe for us to clean up |
| 1138 | * the list buffers. |
| 1139 | */ |
| 1140 | static void |
| 1141 | axen_txeof(struct usbd_xfer *xfer, void * priv, usbd_status status) |
| 1142 | { |
| 1143 | struct axen_chain *c = (struct axen_chain *)priv; |
| 1144 | struct axen_softc *sc = c->axen_sc; |
| 1145 | struct ifnet *ifp = GET_IFP(sc); |
| 1146 | int s; |
| 1147 | |
| 1148 | if (sc->axen_dying) |
| 1149 | return; |
| 1150 | |
| 1151 | s = splnet(); |
| 1152 | |
| 1153 | if (status != USBD_NORMAL_COMPLETION) { |
| 1154 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { |
| 1155 | splx(s); |
| 1156 | return; |
| 1157 | } |
| 1158 | ifp->if_oerrors++; |
| 1159 | aprint_error_dev(sc->axen_dev, "usb error on tx: %s\n" , |
| 1160 | usbd_errstr(status)); |
| 1161 | if (status == USBD_STALLED) |
| 1162 | usbd_clear_endpoint_stall_async(sc->axen_ep[AXEN_ENDPT_TX]); |
| 1163 | splx(s); |
| 1164 | return; |
| 1165 | } |
| 1166 | |
| 1167 | ifp->if_timer = 0; |
| 1168 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1169 | |
| 1170 | if (!IFQ_IS_EMPTY(&ifp->if_snd)) |
| 1171 | axen_start(ifp); |
| 1172 | |
| 1173 | ifp->if_opackets++; |
| 1174 | splx(s); |
| 1175 | } |
| 1176 | |
| 1177 | static void |
| 1178 | axen_tick(void *xsc) |
| 1179 | { |
| 1180 | struct axen_softc *sc = xsc; |
| 1181 | |
| 1182 | if (sc == NULL) |
| 1183 | return; |
| 1184 | |
| 1185 | DPRINTFN(0xff,("%s: %s: enter\n" , device_xname(sc->axen_dev),__func__)); |
| 1186 | |
| 1187 | if (sc->axen_dying) |
| 1188 | return; |
| 1189 | |
| 1190 | /* Perform periodic stuff in process context */ |
| 1191 | usb_add_task(sc->axen_udev, &sc->axen_tick_task, USB_TASKQ_DRIVER); |
| 1192 | } |
| 1193 | |
| 1194 | static void |
| 1195 | axen_tick_task(void *xsc) |
| 1196 | { |
| 1197 | int s; |
| 1198 | struct axen_softc *sc; |
| 1199 | struct ifnet *ifp; |
| 1200 | struct mii_data *mii; |
| 1201 | |
| 1202 | sc = xsc; |
| 1203 | |
| 1204 | if (sc == NULL) |
| 1205 | return; |
| 1206 | |
| 1207 | if (sc->axen_dying) |
| 1208 | return; |
| 1209 | |
| 1210 | ifp = GET_IFP(sc); |
| 1211 | mii = GET_MII(sc); |
| 1212 | if (mii == NULL) |
| 1213 | return; |
| 1214 | |
| 1215 | s = splnet(); |
| 1216 | |
| 1217 | mii_tick(mii); |
| 1218 | if (sc->axen_link == 0 && |
| 1219 | (mii->mii_media_status & IFM_ACTIVE) != 0 && |
| 1220 | IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { |
| 1221 | DPRINTF(("%s: %s: got link\n" , device_xname(sc->axen_dev), |
| 1222 | __func__)); |
| 1223 | sc->axen_link++; |
| 1224 | if (!IFQ_IS_EMPTY(&ifp->if_snd)) |
| 1225 | axen_start(ifp); |
| 1226 | } |
| 1227 | |
| 1228 | callout_schedule(&sc->axen_stat_ch, hz); |
| 1229 | |
| 1230 | splx(s); |
| 1231 | } |
| 1232 | |
| 1233 | static int |
| 1234 | axen_encap(struct axen_softc *sc, struct mbuf *m, int idx) |
| 1235 | { |
| 1236 | struct ifnet *ifp = GET_IFP(sc); |
| 1237 | struct axen_chain *c; |
| 1238 | usbd_status err; |
| 1239 | struct axen_sframe_hdr hdr; |
| 1240 | int length, boundary; |
| 1241 | |
| 1242 | c = &sc->axen_cdata.axen_tx_chain[idx]; |
| 1243 | |
| 1244 | boundary = (sc->axen_udev->ud_speed == USB_SPEED_HIGH) ? 512 : 64; |
| 1245 | |
| 1246 | hdr.plen = htole32(m->m_pkthdr.len); |
| 1247 | hdr.gso = 0; /* disable segmentation offloading */ |
| 1248 | |
| 1249 | memcpy(c->axen_buf, &hdr, sizeof(hdr)); |
| 1250 | length = sizeof(hdr); |
| 1251 | |
| 1252 | m_copydata(m, 0, m->m_pkthdr.len, c->axen_buf + length); |
| 1253 | length += m->m_pkthdr.len; |
| 1254 | |
| 1255 | if ((length % boundary) == 0) { |
| 1256 | hdr.plen = 0x0; |
| 1257 | hdr.gso |= 0x80008000; /* enable padding */ |
| 1258 | memcpy(c->axen_buf + length, &hdr, sizeof(hdr)); |
| 1259 | length += sizeof(hdr); |
| 1260 | } |
| 1261 | |
| 1262 | usbd_setup_xfer(c->axen_xfer, c, c->axen_buf, length, |
| 1263 | USBD_FORCE_SHORT_XFER, 10000, axen_txeof); |
| 1264 | |
| 1265 | /* Transmit */ |
| 1266 | err = usbd_transfer(c->axen_xfer); |
| 1267 | if (err != USBD_IN_PROGRESS) { |
| 1268 | axen_stop(ifp, 0); |
| 1269 | return EIO; |
| 1270 | } |
| 1271 | |
| 1272 | sc->axen_cdata.axen_tx_cnt++; |
| 1273 | |
| 1274 | return 0; |
| 1275 | } |
| 1276 | |
| 1277 | static void |
| 1278 | axen_start(struct ifnet *ifp) |
| 1279 | { |
| 1280 | struct axen_softc *sc; |
| 1281 | struct mbuf *m; |
| 1282 | |
| 1283 | sc = ifp->if_softc; |
| 1284 | |
| 1285 | if (sc->axen_link == 0) |
| 1286 | return; |
| 1287 | |
| 1288 | if ((ifp->if_flags & (IFF_OACTIVE|IFF_RUNNING)) != IFF_RUNNING) |
| 1289 | return; |
| 1290 | |
| 1291 | IFQ_POLL(&ifp->if_snd, m); |
| 1292 | if (m == NULL) |
| 1293 | return; |
| 1294 | |
| 1295 | if (axen_encap(sc, m, 0)) { |
| 1296 | ifp->if_flags |= IFF_OACTIVE; |
| 1297 | return; |
| 1298 | } |
| 1299 | IFQ_DEQUEUE(&ifp->if_snd, m); |
| 1300 | |
| 1301 | /* |
| 1302 | * If there's a BPF listener, bounce a copy of this frame |
| 1303 | * to him. |
| 1304 | */ |
| 1305 | bpf_mtap(ifp, m); |
| 1306 | m_freem(m); |
| 1307 | |
| 1308 | ifp->if_flags |= IFF_OACTIVE; |
| 1309 | |
| 1310 | /* |
| 1311 | * Set a timeout in case the chip goes out to lunch. |
| 1312 | */ |
| 1313 | ifp->if_timer = 5; |
| 1314 | } |
| 1315 | |
| 1316 | static int |
| 1317 | axen_init(struct ifnet *ifp) |
| 1318 | { |
| 1319 | struct axen_softc *sc = ifp->if_softc; |
| 1320 | struct axen_chain *c; |
| 1321 | usbd_status err; |
| 1322 | int i, s; |
| 1323 | uint16_t rxmode; |
| 1324 | uint16_t wval; |
| 1325 | uint8_t bval; |
| 1326 | |
| 1327 | s = splnet(); |
| 1328 | |
| 1329 | if (ifp->if_flags & IFF_RUNNING) |
| 1330 | axen_stop(ifp, 0); |
| 1331 | |
| 1332 | /* |
| 1333 | * Cancel pending I/O and free all RX/TX buffers. |
| 1334 | */ |
| 1335 | axen_reset(sc); |
| 1336 | |
| 1337 | /* XXX: ? */ |
| 1338 | axen_lock_mii(sc); |
| 1339 | bval = 0x01; |
| 1340 | axen_cmd(sc, AXEN_CMD_MAC_WRITE, 1, AXEN_UNK_28, &bval); |
| 1341 | axen_unlock_mii(sc); |
| 1342 | |
| 1343 | /* Program promiscuous mode and multicast filters. */ |
| 1344 | axen_iff(sc); |
| 1345 | |
| 1346 | /* Enable receiver, set RX mode */ |
| 1347 | axen_lock_mii(sc); |
| 1348 | axen_cmd(sc, AXEN_CMD_MAC_READ2, 2, AXEN_MAC_RXCTL, &wval); |
| 1349 | rxmode = le16toh(wval); |
| 1350 | rxmode |= AXEN_RXCTL_START; |
| 1351 | wval = htole16(rxmode); |
| 1352 | axen_cmd(sc, AXEN_CMD_MAC_WRITE2, 2, AXEN_MAC_RXCTL, &wval); |
| 1353 | axen_unlock_mii(sc); |
| 1354 | |
| 1355 | /* Open RX and TX pipes. */ |
| 1356 | err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_RX], |
| 1357 | USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_RX]); |
| 1358 | if (err) { |
| 1359 | aprint_error_dev(sc->axen_dev, "open rx pipe failed: %s\n" , |
| 1360 | usbd_errstr(err)); |
| 1361 | splx(s); |
| 1362 | return EIO; |
| 1363 | } |
| 1364 | |
| 1365 | err = usbd_open_pipe(sc->axen_iface, sc->axen_ed[AXEN_ENDPT_TX], |
| 1366 | USBD_EXCLUSIVE_USE, &sc->axen_ep[AXEN_ENDPT_TX]); |
| 1367 | if (err) { |
| 1368 | aprint_error_dev(sc->axen_dev, "open tx pipe failed: %s\n" , |
| 1369 | usbd_errstr(err)); |
| 1370 | splx(s); |
| 1371 | return EIO; |
| 1372 | } |
| 1373 | |
| 1374 | /* Init RX ring. */ |
| 1375 | if (axen_rx_list_init(sc)) { |
| 1376 | aprint_error_dev(sc->axen_dev, "rx list init failed\n" ); |
| 1377 | splx(s); |
| 1378 | return ENOBUFS; |
| 1379 | } |
| 1380 | |
| 1381 | /* Init TX ring. */ |
| 1382 | if (axen_tx_list_init(sc)) { |
| 1383 | aprint_error_dev(sc->axen_dev, "tx list init failed\n" ); |
| 1384 | splx(s); |
| 1385 | return ENOBUFS; |
| 1386 | } |
| 1387 | |
| 1388 | /* Start up the receive pipe. */ |
| 1389 | for (i = 0; i < AXEN_RX_LIST_CNT; i++) { |
| 1390 | c = &sc->axen_cdata.axen_rx_chain[i]; |
| 1391 | |
| 1392 | usbd_setup_xfer(c->axen_xfer, c, c->axen_buf, sc->axen_bufsz, |
| 1393 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, axen_rxeof); |
| 1394 | usbd_transfer(c->axen_xfer); |
| 1395 | } |
| 1396 | |
| 1397 | ifp->if_flags |= IFF_RUNNING; |
| 1398 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1399 | |
| 1400 | splx(s); |
| 1401 | |
| 1402 | callout_schedule(&sc->axen_stat_ch, hz); |
| 1403 | return 0; |
| 1404 | } |
| 1405 | |
| 1406 | static int |
| 1407 | axen_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
| 1408 | { |
| 1409 | struct axen_softc *sc = ifp->if_softc; |
| 1410 | int s; |
| 1411 | int error = 0; |
| 1412 | |
| 1413 | s = splnet(); |
| 1414 | |
| 1415 | switch (cmd) { |
| 1416 | case SIOCSIFFLAGS: |
| 1417 | if ((error = ifioctl_common(ifp, cmd, data)) != 0) |
| 1418 | break; |
| 1419 | |
| 1420 | switch (ifp->if_flags & (IFF_UP | IFF_RUNNING)) { |
| 1421 | case IFF_RUNNING: |
| 1422 | axen_stop(ifp, 1); |
| 1423 | break; |
| 1424 | case IFF_UP: |
| 1425 | axen_init(ifp); |
| 1426 | break; |
| 1427 | case IFF_UP | IFF_RUNNING: |
| 1428 | if ((ifp->if_flags ^ sc->axen_if_flags) == IFF_PROMISC) |
| 1429 | axen_iff(sc); |
| 1430 | else |
| 1431 | axen_init(ifp); |
| 1432 | break; |
| 1433 | } |
| 1434 | sc->axen_if_flags = ifp->if_flags; |
| 1435 | break; |
| 1436 | |
| 1437 | default: |
| 1438 | if ((error = ether_ioctl(ifp, cmd, data)) != ENETRESET) |
| 1439 | break; |
| 1440 | |
| 1441 | error = 0; |
| 1442 | |
| 1443 | if (cmd == SIOCADDMULTI || cmd == SIOCDELMULTI) |
| 1444 | axen_iff(sc); |
| 1445 | break; |
| 1446 | } |
| 1447 | splx(s); |
| 1448 | |
| 1449 | return error; |
| 1450 | } |
| 1451 | |
| 1452 | static void |
| 1453 | axen_watchdog(struct ifnet *ifp) |
| 1454 | { |
| 1455 | struct axen_softc *sc; |
| 1456 | struct axen_chain *c; |
| 1457 | usbd_status stat; |
| 1458 | int s; |
| 1459 | |
| 1460 | sc = ifp->if_softc; |
| 1461 | |
| 1462 | ifp->if_oerrors++; |
| 1463 | aprint_error_dev(sc->axen_dev, "watchdog timeout\n" ); |
| 1464 | |
| 1465 | s = splusb(); |
| 1466 | c = &sc->axen_cdata.axen_tx_chain[0]; |
| 1467 | usbd_get_xfer_status(c->axen_xfer, NULL, NULL, NULL, &stat); |
| 1468 | axen_txeof(c->axen_xfer, c, stat); |
| 1469 | |
| 1470 | if (!IFQ_IS_EMPTY(&ifp->if_snd)) |
| 1471 | axen_start(ifp); |
| 1472 | splx(s); |
| 1473 | } |
| 1474 | |
| 1475 | /* |
| 1476 | * Stop the adapter and free any mbufs allocated to the |
| 1477 | * RX and TX lists. |
| 1478 | */ |
| 1479 | static void |
| 1480 | axen_stop(struct ifnet *ifp, int disable) |
| 1481 | { |
| 1482 | struct axen_softc *sc = ifp->if_softc; |
| 1483 | usbd_status err; |
| 1484 | int i; |
| 1485 | |
| 1486 | axen_reset(sc); |
| 1487 | |
| 1488 | ifp->if_timer = 0; |
| 1489 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 1490 | |
| 1491 | callout_stop(&sc->axen_stat_ch); |
| 1492 | |
| 1493 | /* Stop transfers. */ |
| 1494 | if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { |
| 1495 | err = usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_RX]); |
| 1496 | if (err) { |
| 1497 | aprint_error_dev(sc->axen_dev, |
| 1498 | "abort rx pipe failed: %s\n" , usbd_errstr(err)); |
| 1499 | |
| 1500 | } |
| 1501 | } |
| 1502 | |
| 1503 | if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { |
| 1504 | err = usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_TX]); |
| 1505 | if (err) { |
| 1506 | aprint_error_dev(sc->axen_dev, |
| 1507 | "abort tx pipe failed: %s\n" , usbd_errstr(err)); |
| 1508 | } |
| 1509 | } |
| 1510 | |
| 1511 | if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { |
| 1512 | err = usbd_abort_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); |
| 1513 | if (err) { |
| 1514 | aprint_error_dev(sc->axen_dev, |
| 1515 | "abort intr pipe failed: %s\n" , usbd_errstr(err)); |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | /* Free RX resources. */ |
| 1520 | for (i = 0; i < AXEN_RX_LIST_CNT; i++) { |
| 1521 | if (sc->axen_cdata.axen_rx_chain[i].axen_xfer != NULL) { |
| 1522 | usbd_destroy_xfer(sc->axen_cdata.axen_rx_chain[i].axen_xfer); |
| 1523 | sc->axen_cdata.axen_rx_chain[i].axen_xfer = NULL; |
| 1524 | } |
| 1525 | } |
| 1526 | |
| 1527 | /* Free TX resources. */ |
| 1528 | for (i = 0; i < AXEN_TX_LIST_CNT; i++) { |
| 1529 | if (sc->axen_cdata.axen_tx_chain[i].axen_xfer != NULL) { |
| 1530 | usbd_destroy_xfer(sc->axen_cdata.axen_tx_chain[i].axen_xfer); |
| 1531 | sc->axen_cdata.axen_tx_chain[i].axen_xfer = NULL; |
| 1532 | } |
| 1533 | } |
| 1534 | |
| 1535 | /* Close pipes. */ |
| 1536 | if (sc->axen_ep[AXEN_ENDPT_RX] != NULL) { |
| 1537 | err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_RX]); |
| 1538 | if (err) { |
| 1539 | aprint_error_dev(sc->axen_dev, |
| 1540 | "close rx pipe failed: %s\n" , usbd_errstr(err)); |
| 1541 | } |
| 1542 | sc->axen_ep[AXEN_ENDPT_RX] = NULL; |
| 1543 | } |
| 1544 | |
| 1545 | if (sc->axen_ep[AXEN_ENDPT_TX] != NULL) { |
| 1546 | err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_TX]); |
| 1547 | if (err) { |
| 1548 | aprint_error_dev(sc->axen_dev, |
| 1549 | "close tx pipe failed: %s\n" , usbd_errstr(err)); |
| 1550 | } |
| 1551 | sc->axen_ep[AXEN_ENDPT_TX] = NULL; |
| 1552 | } |
| 1553 | |
| 1554 | if (sc->axen_ep[AXEN_ENDPT_INTR] != NULL) { |
| 1555 | err = usbd_close_pipe(sc->axen_ep[AXEN_ENDPT_INTR]); |
| 1556 | if (err) { |
| 1557 | aprint_error_dev(sc->axen_dev, |
| 1558 | "close intr pipe failed: %s\n" , usbd_errstr(err)); |
| 1559 | } |
| 1560 | sc->axen_ep[AXEN_ENDPT_INTR] = NULL; |
| 1561 | } |
| 1562 | |
| 1563 | sc->axen_link = 0; |
| 1564 | } |
| 1565 | |
| 1566 | MODULE(MODULE_CLASS_DRIVER, if_axen, "bpf" ); |
| 1567 | |
| 1568 | #ifdef _MODULE |
| 1569 | #include "ioconf.c" |
| 1570 | #endif |
| 1571 | |
| 1572 | static int |
| 1573 | if_axen_modcmd(modcmd_t cmd, void *aux) |
| 1574 | { |
| 1575 | int error = 0; |
| 1576 | |
| 1577 | switch (cmd) { |
| 1578 | case MODULE_CMD_INIT: |
| 1579 | #ifdef _MODULE |
| 1580 | error = config_init_component(cfdriver_ioconf_axen, |
| 1581 | cfattach_ioconf_axen, cfdata_ioconf_axen); |
| 1582 | #endif |
| 1583 | return error; |
| 1584 | case MODULE_CMD_FINI: |
| 1585 | #ifdef _MODULE |
| 1586 | error = config_fini_component(cfdriver_ioconf_axen, |
| 1587 | cfattach_ioconf_axen, cfdata_ioconf_axen); |
| 1588 | #endif |
| 1589 | return error; |
| 1590 | default: |
| 1591 | return ENOTTY; |
| 1592 | } |
| 1593 | } |
| 1594 | |