| 1 | /* $NetBSD: if_url.c,v 1.53 2016/07/07 06:55:42 msaitoh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2001, 2002 |
| 5 | * Shingo WATANABE <nabe@nabechan.org>. All rights reserved. |
| 6 | * |
| 7 | * Redistribution and use in source and binary forms, with or without |
| 8 | * modification, are permitted provided that the following conditions |
| 9 | * are met: |
| 10 | * 1. Redistributions of source code must retain the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer. |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * 3. Neither the name of the author nor the names of any co-contributors |
| 16 | * may be used to endorse or promote products derived from this software |
| 17 | * without specific prior written permission. |
| 18 | * |
| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 29 | * SUCH DAMAGE. |
| 30 | * |
| 31 | */ |
| 32 | |
| 33 | /* |
| 34 | * The RTL8150L(Realtek USB to fast ethernet controller) spec can be found at |
| 35 | * ftp://ftp.realtek.com.tw/lancard/data_sheet/8150/8150v14.pdf |
| 36 | * ftp://152.104.125.40/lancard/data_sheet/8150/8150v14.pdf |
| 37 | */ |
| 38 | |
| 39 | /* |
| 40 | * TODO: |
| 41 | * Interrupt Endpoint support |
| 42 | * External PHYs |
| 43 | * powerhook() support? |
| 44 | */ |
| 45 | |
| 46 | #include <sys/cdefs.h> |
| 47 | __KERNEL_RCSID(0, "$NetBSD: if_url.c,v 1.53 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 48 | |
| 49 | #ifdef _KERNEL_OPT |
| 50 | #include "opt_inet.h" |
| 51 | #endif |
| 52 | |
| 53 | #include <sys/param.h> |
| 54 | #include <sys/systm.h> |
| 55 | #include <sys/rwlock.h> |
| 56 | #include <sys/mbuf.h> |
| 57 | #include <sys/kernel.h> |
| 58 | #include <sys/socket.h> |
| 59 | |
| 60 | #include <sys/device.h> |
| 61 | #include <sys/rndsource.h> |
| 62 | |
| 63 | #include <net/if.h> |
| 64 | #include <net/if_arp.h> |
| 65 | #include <net/if_dl.h> |
| 66 | #include <net/if_media.h> |
| 67 | |
| 68 | #include <net/bpf.h> |
| 69 | |
| 70 | #include <net/if_ether.h> |
| 71 | #ifdef INET |
| 72 | #include <netinet/in.h> |
| 73 | #include <netinet/if_inarp.h> |
| 74 | #endif |
| 75 | |
| 76 | #include <dev/mii/mii.h> |
| 77 | #include <dev/mii/miivar.h> |
| 78 | #include <dev/mii/urlphyreg.h> |
| 79 | |
| 80 | #include <dev/usb/usb.h> |
| 81 | #include <dev/usb/usbdi.h> |
| 82 | #include <dev/usb/usbdi_util.h> |
| 83 | #include <dev/usb/usbdevs.h> |
| 84 | |
| 85 | #include <dev/usb/if_urlreg.h> |
| 86 | |
| 87 | |
| 88 | /* Function declarations */ |
| 89 | int url_match(device_t, cfdata_t, void *); |
| 90 | void url_attach(device_t, device_t, void *); |
| 91 | int url_detach(device_t, int); |
| 92 | int url_activate(device_t, enum devact); |
| 93 | extern struct cfdriver url_cd; |
| 94 | CFATTACH_DECL_NEW(url, sizeof(struct url_softc), url_match, url_attach, |
| 95 | url_detach, url_activate); |
| 96 | |
| 97 | Static int url_openpipes(struct url_softc *); |
| 98 | Static int url_rx_list_init(struct url_softc *); |
| 99 | Static int url_tx_list_init(struct url_softc *); |
| 100 | Static int url_newbuf(struct url_softc *, struct url_chain *, struct mbuf *); |
| 101 | Static void url_start(struct ifnet *); |
| 102 | Static int url_send(struct url_softc *, struct mbuf *, int); |
| 103 | Static void url_txeof(struct usbd_xfer *, void *, usbd_status); |
| 104 | Static void url_rxeof(struct usbd_xfer *, void *, usbd_status); |
| 105 | Static void url_tick(void *); |
| 106 | Static void url_tick_task(void *); |
| 107 | Static int url_ioctl(struct ifnet *, u_long, void *); |
| 108 | Static void url_stop_task(struct url_softc *); |
| 109 | Static void url_stop(struct ifnet *, int); |
| 110 | Static void url_watchdog(struct ifnet *); |
| 111 | Static int url_ifmedia_change(struct ifnet *); |
| 112 | Static void url_ifmedia_status(struct ifnet *, struct ifmediareq *); |
| 113 | Static void url_lock_mii(struct url_softc *); |
| 114 | Static void url_unlock_mii(struct url_softc *); |
| 115 | Static int url_int_miibus_readreg(device_t, int, int); |
| 116 | Static void url_int_miibus_writereg(device_t, int, int, int); |
| 117 | Static void url_miibus_statchg(struct ifnet *); |
| 118 | Static int url_init(struct ifnet *); |
| 119 | Static void url_setmulti(struct url_softc *); |
| 120 | Static void url_reset(struct url_softc *); |
| 121 | |
| 122 | Static int url_csr_read_1(struct url_softc *, int); |
| 123 | Static int url_csr_read_2(struct url_softc *, int); |
| 124 | Static int url_csr_write_1(struct url_softc *, int, int); |
| 125 | Static int url_csr_write_2(struct url_softc *, int, int); |
| 126 | Static int url_csr_write_4(struct url_softc *, int, int); |
| 127 | Static int url_mem(struct url_softc *, int, int, void *, int); |
| 128 | |
| 129 | /* Macros */ |
| 130 | #ifdef URL_DEBUG |
| 131 | #define DPRINTF(x) if (urldebug) printf x |
| 132 | #define DPRINTFN(n,x) if (urldebug >= (n)) printf x |
| 133 | int urldebug = 0; |
| 134 | #else |
| 135 | #define DPRINTF(x) |
| 136 | #define DPRINTFN(n,x) |
| 137 | #endif |
| 138 | |
| 139 | #define URL_SETBIT(sc, reg, x) \ |
| 140 | url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) | (x)) |
| 141 | |
| 142 | #define URL_SETBIT2(sc, reg, x) \ |
| 143 | url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) | (x)) |
| 144 | |
| 145 | #define URL_CLRBIT(sc, reg, x) \ |
| 146 | url_csr_write_1(sc, reg, url_csr_read_1(sc, reg) & ~(x)) |
| 147 | |
| 148 | #define URL_CLRBIT2(sc, reg, x) \ |
| 149 | url_csr_write_2(sc, reg, url_csr_read_2(sc, reg) & ~(x)) |
| 150 | |
| 151 | static const struct url_type { |
| 152 | struct usb_devno url_dev; |
| 153 | uint16_t url_flags; |
| 154 | #define URL_EXT_PHY 0x0001 |
| 155 | } url_devs [] = { |
| 156 | /* MELCO LUA-KTX */ |
| 157 | {{ USB_VENDOR_MELCO, USB_PRODUCT_MELCO_LUAKTX }, 0}, |
| 158 | /* Realtek RTL8150L Generic (GREEN HOUSE USBKR100) */ |
| 159 | {{ USB_VENDOR_REALTEK, USB_PRODUCT_REALTEK_RTL8150L}, 0}, |
| 160 | /* Longshine LCS-8138TX */ |
| 161 | {{ USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_LCS8138TX}, 0}, |
| 162 | /* Micronet SP128AR */ |
| 163 | {{ USB_VENDOR_MICRONET, USB_PRODUCT_MICRONET_SP128AR}, 0}, |
| 164 | /* OQO model 01 */ |
| 165 | {{ USB_VENDOR_OQO, USB_PRODUCT_OQO_ETHER01}, 0}, |
| 166 | }; |
| 167 | #define url_lookup(v, p) ((const struct url_type *)usb_lookup(url_devs, v, p)) |
| 168 | |
| 169 | |
| 170 | /* Probe */ |
| 171 | int |
| 172 | url_match(device_t parent, cfdata_t match, void *aux) |
| 173 | { |
| 174 | struct usb_attach_arg *uaa = aux; |
| 175 | |
| 176 | return url_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ? |
| 177 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 178 | } |
| 179 | /* Attach */ |
| 180 | void |
| 181 | url_attach(device_t parent, device_t self, void *aux) |
| 182 | { |
| 183 | struct url_softc *sc = device_private(self); |
| 184 | struct usb_attach_arg *uaa = aux; |
| 185 | struct usbd_device *dev = uaa->uaa_device; |
| 186 | struct usbd_interface *iface; |
| 187 | usbd_status err; |
| 188 | usb_interface_descriptor_t *id; |
| 189 | usb_endpoint_descriptor_t *ed; |
| 190 | char *devinfop; |
| 191 | struct ifnet *ifp; |
| 192 | struct mii_data *mii; |
| 193 | u_char eaddr[ETHER_ADDR_LEN]; |
| 194 | int i, s; |
| 195 | |
| 196 | sc->sc_dev = self; |
| 197 | |
| 198 | aprint_naive("\n" ); |
| 199 | aprint_normal("\n" ); |
| 200 | |
| 201 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 202 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 203 | usbd_devinfo_free(devinfop); |
| 204 | |
| 205 | /* Move the device into the configured state. */ |
| 206 | err = usbd_set_config_no(dev, URL_CONFIG_NO, 1); |
| 207 | if (err) { |
| 208 | aprint_error_dev(self, "failed to set configuration" |
| 209 | ", err=%s\n" , usbd_errstr(err)); |
| 210 | goto bad; |
| 211 | } |
| 212 | |
| 213 | usb_init_task(&sc->sc_tick_task, url_tick_task, sc, 0); |
| 214 | rw_init(&sc->sc_mii_rwlock); |
| 215 | usb_init_task(&sc->sc_stop_task, (void (*)(void *))url_stop_task, sc, 0); |
| 216 | |
| 217 | /* get control interface */ |
| 218 | err = usbd_device2interface_handle(dev, URL_IFACE_INDEX, &iface); |
| 219 | if (err) { |
| 220 | aprint_error_dev(self, "failed to get interface, err=%s\n" , |
| 221 | usbd_errstr(err)); |
| 222 | goto bad; |
| 223 | } |
| 224 | |
| 225 | sc->sc_udev = dev; |
| 226 | sc->sc_ctl_iface = iface; |
| 227 | sc->sc_flags = url_lookup(uaa->uaa_vendor, uaa->uaa_product)->url_flags; |
| 228 | |
| 229 | /* get interface descriptor */ |
| 230 | id = usbd_get_interface_descriptor(sc->sc_ctl_iface); |
| 231 | |
| 232 | /* find endpoints */ |
| 233 | sc->sc_bulkin_no = sc->sc_bulkout_no = sc->sc_intrin_no = -1; |
| 234 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 235 | ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); |
| 236 | if (ed == NULL) { |
| 237 | aprint_error_dev(self, |
| 238 | "couldn't get endpoint %d\n" , i); |
| 239 | goto bad; |
| 240 | } |
| 241 | if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && |
| 242 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) |
| 243 | sc->sc_bulkin_no = ed->bEndpointAddress; /* RX */ |
| 244 | else if ((ed->bmAttributes & UE_XFERTYPE) == UE_BULK && |
| 245 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT) |
| 246 | sc->sc_bulkout_no = ed->bEndpointAddress; /* TX */ |
| 247 | else if ((ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT && |
| 248 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) |
| 249 | sc->sc_intrin_no = ed->bEndpointAddress; /* Status */ |
| 250 | } |
| 251 | |
| 252 | if (sc->sc_bulkin_no == -1 || sc->sc_bulkout_no == -1 || |
| 253 | sc->sc_intrin_no == -1) { |
| 254 | aprint_error_dev(self, "missing endpoint\n" ); |
| 255 | goto bad; |
| 256 | } |
| 257 | |
| 258 | s = splnet(); |
| 259 | |
| 260 | /* reset the adapter */ |
| 261 | url_reset(sc); |
| 262 | |
| 263 | /* Get Ethernet Address */ |
| 264 | err = url_mem(sc, URL_CMD_READMEM, URL_IDR0, (void *)eaddr, |
| 265 | ETHER_ADDR_LEN); |
| 266 | if (err) { |
| 267 | aprint_error_dev(self, "read MAC address failed\n" ); |
| 268 | splx(s); |
| 269 | goto bad; |
| 270 | } |
| 271 | |
| 272 | /* Print Ethernet Address */ |
| 273 | aprint_normal_dev(self, "Ethernet address %s\n" , ether_sprintf(eaddr)); |
| 274 | |
| 275 | /* initialize interface information */ |
| 276 | ifp = GET_IFP(sc); |
| 277 | ifp->if_softc = sc; |
| 278 | ifp->if_mtu = ETHERMTU; |
| 279 | strncpy(ifp->if_xname, device_xname(self), IFNAMSIZ); |
| 280 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
| 281 | ifp->if_start = url_start; |
| 282 | ifp->if_ioctl = url_ioctl; |
| 283 | ifp->if_watchdog = url_watchdog; |
| 284 | ifp->if_init = url_init; |
| 285 | ifp->if_stop = url_stop; |
| 286 | |
| 287 | IFQ_SET_READY(&ifp->if_snd); |
| 288 | |
| 289 | /* |
| 290 | * Do ifmedia setup. |
| 291 | */ |
| 292 | mii = &sc->sc_mii; |
| 293 | mii->mii_ifp = ifp; |
| 294 | mii->mii_readreg = url_int_miibus_readreg; |
| 295 | mii->mii_writereg = url_int_miibus_writereg; |
| 296 | #if 0 |
| 297 | if (sc->sc_flags & URL_EXT_PHY) { |
| 298 | mii->mii_readreg = url_ext_miibus_readreg; |
| 299 | mii->mii_writereg = url_ext_miibus_writereg; |
| 300 | } |
| 301 | #endif |
| 302 | mii->mii_statchg = url_miibus_statchg; |
| 303 | mii->mii_flags = MIIF_AUTOTSLEEP; |
| 304 | sc->sc_ec.ec_mii = mii; |
| 305 | ifmedia_init(&mii->mii_media, 0, |
| 306 | url_ifmedia_change, url_ifmedia_status); |
| 307 | mii_attach(self, mii, 0xffffffff, MII_PHY_ANY, MII_OFFSET_ANY, 0); |
| 308 | if (LIST_FIRST(&mii->mii_phys) == NULL) { |
| 309 | ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); |
| 310 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); |
| 311 | } else |
| 312 | ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); |
| 313 | |
| 314 | /* attach the interface */ |
| 315 | if_attach(ifp); |
| 316 | ether_ifattach(ifp, eaddr); |
| 317 | |
| 318 | rnd_attach_source(&sc->rnd_source, device_xname(self), |
| 319 | RND_TYPE_NET, RND_FLAG_DEFAULT); |
| 320 | |
| 321 | callout_init(&sc->sc_stat_ch, 0); |
| 322 | sc->sc_attached = 1; |
| 323 | splx(s); |
| 324 | |
| 325 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); |
| 326 | |
| 327 | return; |
| 328 | |
| 329 | bad: |
| 330 | sc->sc_dying = 1; |
| 331 | return; |
| 332 | } |
| 333 | |
| 334 | /* detach */ |
| 335 | int |
| 336 | url_detach(device_t self, int flags) |
| 337 | { |
| 338 | struct url_softc *sc = device_private(self); |
| 339 | struct ifnet *ifp = GET_IFP(sc); |
| 340 | int s; |
| 341 | |
| 342 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 343 | |
| 344 | /* Detached before attached finished */ |
| 345 | if (!sc->sc_attached) |
| 346 | return 0; |
| 347 | |
| 348 | callout_stop(&sc->sc_stat_ch); |
| 349 | |
| 350 | /* Remove any pending tasks */ |
| 351 | usb_rem_task(sc->sc_udev, &sc->sc_tick_task); |
| 352 | usb_rem_task(sc->sc_udev, &sc->sc_stop_task); |
| 353 | |
| 354 | s = splusb(); |
| 355 | |
| 356 | if (--sc->sc_refcnt >= 0) { |
| 357 | /* Wait for processes to go away */ |
| 358 | usb_detach_waitold(sc->sc_dev); |
| 359 | } |
| 360 | |
| 361 | if (ifp->if_flags & IFF_RUNNING) |
| 362 | url_stop(GET_IFP(sc), 1); |
| 363 | |
| 364 | rnd_detach_source(&sc->rnd_source); |
| 365 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
| 366 | ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY); |
| 367 | ether_ifdetach(ifp); |
| 368 | if_detach(ifp); |
| 369 | |
| 370 | #ifdef DIAGNOSTIC |
| 371 | if (sc->sc_pipe_tx != NULL) |
| 372 | aprint_debug_dev(self, "detach has active tx endpoint.\n" ); |
| 373 | if (sc->sc_pipe_rx != NULL) |
| 374 | aprint_debug_dev(self, "detach has active rx endpoint.\n" ); |
| 375 | if (sc->sc_pipe_intr != NULL) |
| 376 | aprint_debug_dev(self, "detach has active intr endpoint.\n" ); |
| 377 | #endif |
| 378 | |
| 379 | sc->sc_attached = 0; |
| 380 | |
| 381 | splx(s); |
| 382 | |
| 383 | rw_destroy(&sc->sc_mii_rwlock); |
| 384 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 385 | |
| 386 | return 0; |
| 387 | } |
| 388 | |
| 389 | /* read/write memory */ |
| 390 | Static int |
| 391 | url_mem(struct url_softc *sc, int cmd, int offset, void *buf, int len) |
| 392 | { |
| 393 | usb_device_request_t req; |
| 394 | usbd_status err; |
| 395 | |
| 396 | if (sc == NULL) |
| 397 | return 0; |
| 398 | |
| 399 | DPRINTFN(0x200, |
| 400 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 401 | |
| 402 | if (sc->sc_dying) |
| 403 | return 0; |
| 404 | |
| 405 | if (cmd == URL_CMD_READMEM) |
| 406 | req.bmRequestType = UT_READ_VENDOR_DEVICE; |
| 407 | else |
| 408 | req.bmRequestType = UT_WRITE_VENDOR_DEVICE; |
| 409 | req.bRequest = URL_REQ_MEM; |
| 410 | USETW(req.wValue, offset); |
| 411 | USETW(req.wIndex, 0x0000); |
| 412 | USETW(req.wLength, len); |
| 413 | |
| 414 | sc->sc_refcnt++; |
| 415 | err = usbd_do_request(sc->sc_udev, &req, buf); |
| 416 | if (--sc->sc_refcnt < 0) |
| 417 | usb_detach_wakeupold(sc->sc_dev); |
| 418 | if (err) { |
| 419 | DPRINTF(("%s: url_mem(): %s failed. off=%04x, err=%d\n" , |
| 420 | device_xname(sc->sc_dev), |
| 421 | cmd == URL_CMD_READMEM ? "read" : "write" , |
| 422 | offset, err)); |
| 423 | } |
| 424 | |
| 425 | return err; |
| 426 | } |
| 427 | |
| 428 | /* read 1byte from register */ |
| 429 | Static int |
| 430 | url_csr_read_1(struct url_softc *sc, int reg) |
| 431 | { |
| 432 | uint8_t val = 0; |
| 433 | |
| 434 | DPRINTFN(0x100, |
| 435 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 436 | |
| 437 | if (sc->sc_dying) |
| 438 | return 0; |
| 439 | |
| 440 | return url_mem(sc, URL_CMD_READMEM, reg, &val, 1) ? 0 : val; |
| 441 | } |
| 442 | |
| 443 | /* read 2bytes from register */ |
| 444 | Static int |
| 445 | url_csr_read_2(struct url_softc *sc, int reg) |
| 446 | { |
| 447 | uWord val; |
| 448 | |
| 449 | DPRINTFN(0x100, |
| 450 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 451 | |
| 452 | if (sc->sc_dying) |
| 453 | return 0; |
| 454 | |
| 455 | USETW(val, 0); |
| 456 | return url_mem(sc, URL_CMD_READMEM, reg, &val, 2) ? 0 : UGETW(val); |
| 457 | } |
| 458 | |
| 459 | /* write 1byte to register */ |
| 460 | Static int |
| 461 | url_csr_write_1(struct url_softc *sc, int reg, int aval) |
| 462 | { |
| 463 | uint8_t val = aval; |
| 464 | |
| 465 | DPRINTFN(0x100, |
| 466 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 467 | |
| 468 | if (sc->sc_dying) |
| 469 | return 0; |
| 470 | |
| 471 | return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 1) ? -1 : 0; |
| 472 | } |
| 473 | |
| 474 | /* write 2bytes to register */ |
| 475 | Static int |
| 476 | url_csr_write_2(struct url_softc *sc, int reg, int aval) |
| 477 | { |
| 478 | uWord val; |
| 479 | |
| 480 | DPRINTFN(0x100, |
| 481 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 482 | |
| 483 | USETW(val, aval); |
| 484 | |
| 485 | if (sc->sc_dying) |
| 486 | return 0; |
| 487 | |
| 488 | return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 2) ? -1 : 0; |
| 489 | } |
| 490 | |
| 491 | /* write 4bytes to register */ |
| 492 | Static int |
| 493 | url_csr_write_4(struct url_softc *sc, int reg, int aval) |
| 494 | { |
| 495 | uDWord val; |
| 496 | |
| 497 | DPRINTFN(0x100, |
| 498 | ("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 499 | |
| 500 | USETDW(val, aval); |
| 501 | |
| 502 | if (sc->sc_dying) |
| 503 | return 0; |
| 504 | |
| 505 | return url_mem(sc, URL_CMD_WRITEMEM, reg, &val, 4) ? -1 : 0; |
| 506 | } |
| 507 | |
| 508 | Static int |
| 509 | url_init(struct ifnet *ifp) |
| 510 | { |
| 511 | struct url_softc *sc = ifp->if_softc; |
| 512 | struct mii_data *mii = GET_MII(sc); |
| 513 | const u_char *eaddr; |
| 514 | int i, rc, s; |
| 515 | |
| 516 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 517 | |
| 518 | if (sc->sc_dying) |
| 519 | return EIO; |
| 520 | |
| 521 | s = splnet(); |
| 522 | |
| 523 | /* Cancel pending I/O and free all TX/RX buffers */ |
| 524 | url_stop(ifp, 1); |
| 525 | |
| 526 | eaddr = CLLADDR(ifp->if_sadl); |
| 527 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 528 | url_csr_write_1(sc, URL_IDR0 + i, eaddr[i]); |
| 529 | |
| 530 | /* Init transmission control register */ |
| 531 | URL_CLRBIT(sc, URL_TCR, |
| 532 | URL_TCR_TXRR1 | URL_TCR_TXRR0 | |
| 533 | URL_TCR_IFG1 | URL_TCR_IFG0 | |
| 534 | URL_TCR_NOCRC); |
| 535 | |
| 536 | /* Init receive control register */ |
| 537 | URL_SETBIT2(sc, URL_RCR, URL_RCR_TAIL | URL_RCR_AD); |
| 538 | if (ifp->if_flags & IFF_BROADCAST) |
| 539 | URL_SETBIT2(sc, URL_RCR, URL_RCR_AB); |
| 540 | else |
| 541 | URL_CLRBIT2(sc, URL_RCR, URL_RCR_AB); |
| 542 | |
| 543 | /* If we want promiscuous mode, accept all physical frames. */ |
| 544 | if (ifp->if_flags & IFF_PROMISC) |
| 545 | URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); |
| 546 | else |
| 547 | URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); |
| 548 | |
| 549 | |
| 550 | /* Load the multicast filter */ |
| 551 | url_setmulti(sc); |
| 552 | |
| 553 | /* Enable RX and TX */ |
| 554 | URL_SETBIT(sc, URL_CR, URL_CR_TE | URL_CR_RE); |
| 555 | |
| 556 | if ((rc = mii_mediachg(mii)) == ENXIO) |
| 557 | rc = 0; |
| 558 | else if (rc != 0) |
| 559 | goto out; |
| 560 | |
| 561 | if (sc->sc_pipe_tx == NULL || sc->sc_pipe_rx == NULL) { |
| 562 | if (url_openpipes(sc)) { |
| 563 | splx(s); |
| 564 | return EIO; |
| 565 | } |
| 566 | } |
| 567 | /* Initialize transmit ring */ |
| 568 | if (url_tx_list_init(sc)) { |
| 569 | printf("%s: tx list init failed\n" , device_xname(sc->sc_dev)); |
| 570 | splx(s); |
| 571 | return EIO; |
| 572 | } |
| 573 | |
| 574 | /* Initialize receive ring */ |
| 575 | if (url_rx_list_init(sc)) { |
| 576 | printf("%s: rx list init failed\n" , device_xname(sc->sc_dev)); |
| 577 | splx(s); |
| 578 | return EIO; |
| 579 | } |
| 580 | /* Start up the receive pipe. */ |
| 581 | for (i = 0; i < URL_RX_LIST_CNT; i++) { |
| 582 | struct url_chain *c = &sc->sc_cdata.url_rx_chain[i]; |
| 583 | |
| 584 | usbd_setup_xfer(c->url_xfer, c, c->url_buf, URL_BUFSZ, |
| 585 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, url_rxeof); |
| 586 | (void)usbd_transfer(c->url_xfer); |
| 587 | DPRINTF(("%s: %s: start read\n" , device_xname(sc->sc_dev), |
| 588 | __func__)); |
| 589 | } |
| 590 | |
| 591 | ifp->if_flags |= IFF_RUNNING; |
| 592 | ifp->if_flags &= ~IFF_OACTIVE; |
| 593 | |
| 594 | callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); |
| 595 | |
| 596 | out: |
| 597 | splx(s); |
| 598 | return rc; |
| 599 | } |
| 600 | |
| 601 | Static void |
| 602 | url_reset(struct url_softc *sc) |
| 603 | { |
| 604 | int i; |
| 605 | |
| 606 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 607 | |
| 608 | if (sc->sc_dying) |
| 609 | return; |
| 610 | |
| 611 | URL_SETBIT(sc, URL_CR, URL_CR_SOFT_RST); |
| 612 | |
| 613 | for (i = 0; i < URL_TX_TIMEOUT; i++) { |
| 614 | if (!(url_csr_read_1(sc, URL_CR) & URL_CR_SOFT_RST)) |
| 615 | break; |
| 616 | delay(10); /* XXX */ |
| 617 | } |
| 618 | |
| 619 | delay(10000); /* XXX */ |
| 620 | } |
| 621 | |
| 622 | int |
| 623 | url_activate(device_t self, enum devact act) |
| 624 | { |
| 625 | struct url_softc *sc = device_private(self); |
| 626 | |
| 627 | DPRINTF(("%s: %s: enter, act=%d\n" , device_xname(sc->sc_dev), |
| 628 | __func__, act)); |
| 629 | |
| 630 | switch (act) { |
| 631 | case DVACT_DEACTIVATE: |
| 632 | if_deactivate(&sc->sc_ec.ec_if); |
| 633 | sc->sc_dying = 1; |
| 634 | return 0; |
| 635 | default: |
| 636 | return EOPNOTSUPP; |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | #define url_calchash(addr) (ether_crc32_be((addr), ETHER_ADDR_LEN) >> 26) |
| 641 | |
| 642 | |
| 643 | Static void |
| 644 | url_setmulti(struct url_softc *sc) |
| 645 | { |
| 646 | struct ifnet *ifp; |
| 647 | struct ether_multi *enm; |
| 648 | struct ether_multistep step; |
| 649 | uint32_t hashes[2] = { 0, 0 }; |
| 650 | int h = 0; |
| 651 | int mcnt = 0; |
| 652 | |
| 653 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 654 | |
| 655 | if (sc->sc_dying) |
| 656 | return; |
| 657 | |
| 658 | ifp = GET_IFP(sc); |
| 659 | |
| 660 | if (ifp->if_flags & IFF_PROMISC) { |
| 661 | URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); |
| 662 | return; |
| 663 | } else if (ifp->if_flags & IFF_ALLMULTI) { |
| 664 | allmulti: |
| 665 | ifp->if_flags |= IFF_ALLMULTI; |
| 666 | URL_SETBIT2(sc, URL_RCR, URL_RCR_AAM); |
| 667 | URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAP); |
| 668 | return; |
| 669 | } |
| 670 | |
| 671 | /* first, zot all the existing hash bits */ |
| 672 | url_csr_write_4(sc, URL_MAR0, 0); |
| 673 | url_csr_write_4(sc, URL_MAR4, 0); |
| 674 | |
| 675 | /* now program new ones */ |
| 676 | ETHER_FIRST_MULTI(step, &sc->sc_ec, enm); |
| 677 | while (enm != NULL) { |
| 678 | if (memcmp(enm->enm_addrlo, enm->enm_addrhi, |
| 679 | ETHER_ADDR_LEN) != 0) |
| 680 | goto allmulti; |
| 681 | |
| 682 | h = url_calchash(enm->enm_addrlo); |
| 683 | if (h < 32) |
| 684 | hashes[0] |= (1 << h); |
| 685 | else |
| 686 | hashes[1] |= (1 << (h -32)); |
| 687 | mcnt++; |
| 688 | ETHER_NEXT_MULTI(step, enm); |
| 689 | } |
| 690 | |
| 691 | ifp->if_flags &= ~IFF_ALLMULTI; |
| 692 | |
| 693 | URL_CLRBIT2(sc, URL_RCR, URL_RCR_AAM|URL_RCR_AAP); |
| 694 | |
| 695 | if (mcnt){ |
| 696 | URL_SETBIT2(sc, URL_RCR, URL_RCR_AM); |
| 697 | } else { |
| 698 | URL_CLRBIT2(sc, URL_RCR, URL_RCR_AM); |
| 699 | } |
| 700 | url_csr_write_4(sc, URL_MAR0, hashes[0]); |
| 701 | url_csr_write_4(sc, URL_MAR4, hashes[1]); |
| 702 | } |
| 703 | |
| 704 | Static int |
| 705 | url_openpipes(struct url_softc *sc) |
| 706 | { |
| 707 | usbd_status err; |
| 708 | int error = 0; |
| 709 | |
| 710 | if (sc->sc_dying) |
| 711 | return EIO; |
| 712 | |
| 713 | sc->sc_refcnt++; |
| 714 | |
| 715 | /* Open RX pipe */ |
| 716 | err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkin_no, |
| 717 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_rx); |
| 718 | if (err) { |
| 719 | printf("%s: open rx pipe failed: %s\n" , |
| 720 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 721 | error = EIO; |
| 722 | goto done; |
| 723 | } |
| 724 | |
| 725 | /* Open TX pipe */ |
| 726 | err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_bulkout_no, |
| 727 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_tx); |
| 728 | if (err) { |
| 729 | printf("%s: open tx pipe failed: %s\n" , |
| 730 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 731 | error = EIO; |
| 732 | goto done; |
| 733 | } |
| 734 | |
| 735 | #if 0 |
| 736 | /* XXX: interrupt endpoint is not yet supported */ |
| 737 | /* Open Interrupt pipe */ |
| 738 | err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_intrin_no, |
| 739 | USBD_EXCLUSIVE_USE, &sc->sc_pipe_intr, sc, |
| 740 | &sc->sc_cdata.url_ibuf, URL_INTR_PKGLEN, |
| 741 | url_intr, USBD_DEFAULT_INTERVAL); |
| 742 | if (err) { |
| 743 | printf("%s: open intr pipe failed: %s\n" , |
| 744 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 745 | error = EIO; |
| 746 | goto done; |
| 747 | } |
| 748 | #endif |
| 749 | |
| 750 | done: |
| 751 | if (--sc->sc_refcnt < 0) |
| 752 | usb_detach_wakeupold(sc->sc_dev); |
| 753 | |
| 754 | return error; |
| 755 | } |
| 756 | |
| 757 | Static int |
| 758 | url_newbuf(struct url_softc *sc, struct url_chain *c, struct mbuf *m) |
| 759 | { |
| 760 | struct mbuf *m_new = NULL; |
| 761 | |
| 762 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 763 | |
| 764 | if (m == NULL) { |
| 765 | MGETHDR(m_new, M_DONTWAIT, MT_DATA); |
| 766 | if (m_new == NULL) { |
| 767 | printf("%s: no memory for rx list " |
| 768 | "-- packet dropped!\n" , device_xname(sc->sc_dev)); |
| 769 | return ENOBUFS; |
| 770 | } |
| 771 | MCLGET(m_new, M_DONTWAIT); |
| 772 | if (!(m_new->m_flags & M_EXT)) { |
| 773 | printf("%s: no memory for rx list " |
| 774 | "-- packet dropped!\n" , device_xname(sc->sc_dev)); |
| 775 | m_freem(m_new); |
| 776 | return ENOBUFS; |
| 777 | } |
| 778 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 779 | } else { |
| 780 | m_new = m; |
| 781 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 782 | m_new->m_data = m_new->m_ext.ext_buf; |
| 783 | } |
| 784 | |
| 785 | m_adj(m_new, ETHER_ALIGN); |
| 786 | c->url_mbuf = m_new; |
| 787 | |
| 788 | return 0; |
| 789 | } |
| 790 | |
| 791 | |
| 792 | Static int |
| 793 | url_rx_list_init(struct url_softc *sc) |
| 794 | { |
| 795 | struct url_cdata *cd; |
| 796 | struct url_chain *c; |
| 797 | int i; |
| 798 | |
| 799 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 800 | |
| 801 | cd = &sc->sc_cdata; |
| 802 | for (i = 0; i < URL_RX_LIST_CNT; i++) { |
| 803 | c = &cd->url_rx_chain[i]; |
| 804 | c->url_sc = sc; |
| 805 | c->url_idx = i; |
| 806 | if (url_newbuf(sc, c, NULL) == ENOBUFS) |
| 807 | return ENOBUFS; |
| 808 | if (c->url_xfer == NULL) { |
| 809 | int error = usbd_create_xfer(sc->sc_pipe_rx, URL_BUFSZ, |
| 810 | USBD_SHORT_XFER_OK, 0, &c->url_xfer); |
| 811 | if (error) |
| 812 | return error; |
| 813 | c->url_buf = usbd_get_buffer(c->url_xfer); |
| 814 | } |
| 815 | } |
| 816 | |
| 817 | return 0; |
| 818 | } |
| 819 | |
| 820 | Static int |
| 821 | url_tx_list_init(struct url_softc *sc) |
| 822 | { |
| 823 | struct url_cdata *cd; |
| 824 | struct url_chain *c; |
| 825 | int i; |
| 826 | |
| 827 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 828 | |
| 829 | cd = &sc->sc_cdata; |
| 830 | for (i = 0; i < URL_TX_LIST_CNT; i++) { |
| 831 | c = &cd->url_tx_chain[i]; |
| 832 | c->url_sc = sc; |
| 833 | c->url_idx = i; |
| 834 | c->url_mbuf = NULL; |
| 835 | if (c->url_xfer == NULL) { |
| 836 | int error = usbd_create_xfer(sc->sc_pipe_tx, URL_BUFSZ, |
| 837 | USBD_FORCE_SHORT_XFER, 0, &c->url_xfer); |
| 838 | if (error) |
| 839 | return error; |
| 840 | c->url_buf = usbd_get_buffer(c->url_xfer); |
| 841 | } |
| 842 | } |
| 843 | |
| 844 | return 0; |
| 845 | } |
| 846 | |
| 847 | Static void |
| 848 | url_start(struct ifnet *ifp) |
| 849 | { |
| 850 | struct url_softc *sc = ifp->if_softc; |
| 851 | struct mbuf *m_head = NULL; |
| 852 | |
| 853 | DPRINTF(("%s: %s: enter, link=%d\n" , device_xname(sc->sc_dev), |
| 854 | __func__, sc->sc_link)); |
| 855 | |
| 856 | if (sc->sc_dying) |
| 857 | return; |
| 858 | |
| 859 | if (!sc->sc_link) |
| 860 | return; |
| 861 | |
| 862 | if (ifp->if_flags & IFF_OACTIVE) |
| 863 | return; |
| 864 | |
| 865 | IFQ_POLL(&ifp->if_snd, m_head); |
| 866 | if (m_head == NULL) |
| 867 | return; |
| 868 | |
| 869 | if (url_send(sc, m_head, 0)) { |
| 870 | ifp->if_flags |= IFF_OACTIVE; |
| 871 | return; |
| 872 | } |
| 873 | |
| 874 | IFQ_DEQUEUE(&ifp->if_snd, m_head); |
| 875 | |
| 876 | bpf_mtap(ifp, m_head); |
| 877 | |
| 878 | ifp->if_flags |= IFF_OACTIVE; |
| 879 | |
| 880 | /* Set a timeout in case the chip goes out to lunch. */ |
| 881 | ifp->if_timer = 5; |
| 882 | } |
| 883 | |
| 884 | Static int |
| 885 | url_send(struct url_softc *sc, struct mbuf *m, int idx) |
| 886 | { |
| 887 | int total_len; |
| 888 | struct url_chain *c; |
| 889 | usbd_status err; |
| 890 | |
| 891 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev),__func__)); |
| 892 | |
| 893 | c = &sc->sc_cdata.url_tx_chain[idx]; |
| 894 | |
| 895 | /* Copy the mbuf data into a contiguous buffer */ |
| 896 | m_copydata(m, 0, m->m_pkthdr.len, c->url_buf); |
| 897 | c->url_mbuf = m; |
| 898 | total_len = m->m_pkthdr.len; |
| 899 | |
| 900 | if (total_len < URL_MIN_FRAME_LEN) { |
| 901 | memset(c->url_buf + total_len, 0, |
| 902 | URL_MIN_FRAME_LEN - total_len); |
| 903 | total_len = URL_MIN_FRAME_LEN; |
| 904 | } |
| 905 | usbd_setup_xfer(c->url_xfer,c, c->url_buf, total_len, |
| 906 | USBD_FORCE_SHORT_XFER, URL_TX_TIMEOUT, url_txeof); |
| 907 | |
| 908 | /* Transmit */ |
| 909 | sc->sc_refcnt++; |
| 910 | err = usbd_transfer(c->url_xfer); |
| 911 | if (--sc->sc_refcnt < 0) |
| 912 | usb_detach_wakeupold(sc->sc_dev); |
| 913 | if (err != USBD_IN_PROGRESS) { |
| 914 | printf("%s: url_send error=%s\n" , device_xname(sc->sc_dev), |
| 915 | usbd_errstr(err)); |
| 916 | /* Stop the interface */ |
| 917 | usb_add_task(sc->sc_udev, &sc->sc_stop_task, |
| 918 | USB_TASKQ_DRIVER); |
| 919 | return EIO; |
| 920 | } |
| 921 | |
| 922 | DPRINTF(("%s: %s: send %d bytes\n" , device_xname(sc->sc_dev), |
| 923 | __func__, total_len)); |
| 924 | |
| 925 | sc->sc_cdata.url_tx_cnt++; |
| 926 | |
| 927 | return 0; |
| 928 | } |
| 929 | |
| 930 | Static void |
| 931 | url_txeof(struct usbd_xfer *xfer, void *priv, |
| 932 | usbd_status status) |
| 933 | { |
| 934 | struct url_chain *c = priv; |
| 935 | struct url_softc *sc = c->url_sc; |
| 936 | struct ifnet *ifp = GET_IFP(sc); |
| 937 | int s; |
| 938 | |
| 939 | if (sc->sc_dying) |
| 940 | return; |
| 941 | |
| 942 | s = splnet(); |
| 943 | |
| 944 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 945 | |
| 946 | ifp->if_timer = 0; |
| 947 | ifp->if_flags &= ~IFF_OACTIVE; |
| 948 | |
| 949 | if (status != USBD_NORMAL_COMPLETION) { |
| 950 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { |
| 951 | splx(s); |
| 952 | return; |
| 953 | } |
| 954 | ifp->if_oerrors++; |
| 955 | printf("%s: usb error on tx: %s\n" , device_xname(sc->sc_dev), |
| 956 | usbd_errstr(status)); |
| 957 | if (status == USBD_STALLED) { |
| 958 | sc->sc_refcnt++; |
| 959 | usbd_clear_endpoint_stall_async(sc->sc_pipe_tx); |
| 960 | if (--sc->sc_refcnt < 0) |
| 961 | usb_detach_wakeupold(sc->sc_dev); |
| 962 | } |
| 963 | splx(s); |
| 964 | return; |
| 965 | } |
| 966 | |
| 967 | ifp->if_opackets++; |
| 968 | |
| 969 | m_freem(c->url_mbuf); |
| 970 | c->url_mbuf = NULL; |
| 971 | |
| 972 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 973 | url_start(ifp); |
| 974 | |
| 975 | splx(s); |
| 976 | } |
| 977 | |
| 978 | Static void |
| 979 | url_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 980 | { |
| 981 | struct url_chain *c = priv; |
| 982 | struct url_softc *sc = c->url_sc; |
| 983 | struct ifnet *ifp = GET_IFP(sc); |
| 984 | struct mbuf *m; |
| 985 | uint32_t total_len; |
| 986 | url_rxhdr_t rxhdr; |
| 987 | int s; |
| 988 | |
| 989 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev),__func__)); |
| 990 | |
| 991 | if (sc->sc_dying) |
| 992 | return; |
| 993 | |
| 994 | if (status != USBD_NORMAL_COMPLETION) { |
| 995 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
| 996 | return; |
| 997 | sc->sc_rx_errs++; |
| 998 | if (usbd_ratecheck(&sc->sc_rx_notice)) { |
| 999 | printf("%s: %u usb errors on rx: %s\n" , |
| 1000 | device_xname(sc->sc_dev), sc->sc_rx_errs, |
| 1001 | usbd_errstr(status)); |
| 1002 | sc->sc_rx_errs = 0; |
| 1003 | } |
| 1004 | if (status == USBD_STALLED) { |
| 1005 | sc->sc_refcnt++; |
| 1006 | usbd_clear_endpoint_stall_async(sc->sc_pipe_rx); |
| 1007 | if (--sc->sc_refcnt < 0) |
| 1008 | usb_detach_wakeupold(sc->sc_dev); |
| 1009 | } |
| 1010 | goto done; |
| 1011 | } |
| 1012 | |
| 1013 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
| 1014 | |
| 1015 | memcpy(mtod(c->url_mbuf, char *), c->url_buf, total_len); |
| 1016 | |
| 1017 | if (total_len <= ETHER_CRC_LEN) { |
| 1018 | ifp->if_ierrors++; |
| 1019 | goto done; |
| 1020 | } |
| 1021 | |
| 1022 | memcpy(&rxhdr, c->url_buf + total_len - ETHER_CRC_LEN, sizeof(rxhdr)); |
| 1023 | |
| 1024 | DPRINTF(("%s: RX Status: %dbytes%s%s%s%s packets\n" , |
| 1025 | device_xname(sc->sc_dev), |
| 1026 | UGETW(rxhdr) & URL_RXHDR_BYTEC_MASK, |
| 1027 | UGETW(rxhdr) & URL_RXHDR_VALID_MASK ? ", Valid" : "" , |
| 1028 | UGETW(rxhdr) & URL_RXHDR_RUNTPKT_MASK ? ", Runt" : "" , |
| 1029 | UGETW(rxhdr) & URL_RXHDR_PHYPKT_MASK ? ", Physical match" : "" , |
| 1030 | UGETW(rxhdr) & URL_RXHDR_MCASTPKT_MASK ? ", Multicast" : "" )); |
| 1031 | |
| 1032 | if ((UGETW(rxhdr) & URL_RXHDR_VALID_MASK) == 0) { |
| 1033 | ifp->if_ierrors++; |
| 1034 | goto done; |
| 1035 | } |
| 1036 | |
| 1037 | ifp->if_ipackets++; |
| 1038 | total_len -= ETHER_CRC_LEN; |
| 1039 | |
| 1040 | m = c->url_mbuf; |
| 1041 | m->m_pkthdr.len = m->m_len = total_len; |
| 1042 | m_set_rcvif(m, ifp); |
| 1043 | |
| 1044 | s = splnet(); |
| 1045 | |
| 1046 | if (url_newbuf(sc, c, NULL) == ENOBUFS) { |
| 1047 | ifp->if_ierrors++; |
| 1048 | goto done1; |
| 1049 | } |
| 1050 | |
| 1051 | bpf_mtap(ifp, m); |
| 1052 | |
| 1053 | DPRINTF(("%s: %s: deliver %d\n" , device_xname(sc->sc_dev), |
| 1054 | __func__, m->m_len)); |
| 1055 | if_percpuq_enqueue((ifp)->if_percpuq, (m)); |
| 1056 | |
| 1057 | done1: |
| 1058 | splx(s); |
| 1059 | |
| 1060 | done: |
| 1061 | /* Setup new transfer */ |
| 1062 | usbd_setup_xfer(xfer, c, c->url_buf, URL_BUFSZ, USBD_SHORT_XFER_OK, |
| 1063 | USBD_NO_TIMEOUT, url_rxeof); |
| 1064 | sc->sc_refcnt++; |
| 1065 | usbd_transfer(xfer); |
| 1066 | if (--sc->sc_refcnt < 0) |
| 1067 | usb_detach_wakeupold(sc->sc_dev); |
| 1068 | |
| 1069 | DPRINTF(("%s: %s: start rx\n" , device_xname(sc->sc_dev), __func__)); |
| 1070 | } |
| 1071 | |
| 1072 | #if 0 |
| 1073 | Static void url_intr(void) |
| 1074 | { |
| 1075 | } |
| 1076 | #endif |
| 1077 | |
| 1078 | Static int |
| 1079 | url_ioctl(struct ifnet *ifp, u_long cmd, void *data) |
| 1080 | { |
| 1081 | struct url_softc *sc = ifp->if_softc; |
| 1082 | int s, error = 0; |
| 1083 | |
| 1084 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1085 | |
| 1086 | if (sc->sc_dying) |
| 1087 | return EIO; |
| 1088 | |
| 1089 | s = splnet(); |
| 1090 | |
| 1091 | error = ether_ioctl(ifp, cmd, data); |
| 1092 | if (error == ENETRESET) { |
| 1093 | if (ifp->if_flags & IFF_RUNNING) |
| 1094 | url_setmulti(sc); |
| 1095 | error = 0; |
| 1096 | } |
| 1097 | |
| 1098 | splx(s); |
| 1099 | |
| 1100 | return error; |
| 1101 | } |
| 1102 | |
| 1103 | Static void |
| 1104 | url_watchdog(struct ifnet *ifp) |
| 1105 | { |
| 1106 | struct url_softc *sc = ifp->if_softc; |
| 1107 | struct url_chain *c; |
| 1108 | usbd_status stat; |
| 1109 | int s; |
| 1110 | |
| 1111 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1112 | |
| 1113 | ifp->if_oerrors++; |
| 1114 | printf("%s: watchdog timeout\n" , device_xname(sc->sc_dev)); |
| 1115 | |
| 1116 | s = splusb(); |
| 1117 | c = &sc->sc_cdata.url_tx_chain[0]; |
| 1118 | usbd_get_xfer_status(c->url_xfer, NULL, NULL, NULL, &stat); |
| 1119 | url_txeof(c->url_xfer, c, stat); |
| 1120 | |
| 1121 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1122 | url_start(ifp); |
| 1123 | splx(s); |
| 1124 | } |
| 1125 | |
| 1126 | Static void |
| 1127 | url_stop_task(struct url_softc *sc) |
| 1128 | { |
| 1129 | url_stop(GET_IFP(sc), 1); |
| 1130 | } |
| 1131 | |
| 1132 | /* Stop the adapter and free any mbufs allocated to the RX and TX lists. */ |
| 1133 | Static void |
| 1134 | url_stop(struct ifnet *ifp, int disable) |
| 1135 | { |
| 1136 | struct url_softc *sc = ifp->if_softc; |
| 1137 | usbd_status err; |
| 1138 | int i; |
| 1139 | |
| 1140 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1141 | |
| 1142 | ifp->if_timer = 0; |
| 1143 | |
| 1144 | url_reset(sc); |
| 1145 | |
| 1146 | callout_stop(&sc->sc_stat_ch); |
| 1147 | |
| 1148 | /* Stop transfers */ |
| 1149 | /* RX endpoint */ |
| 1150 | if (sc->sc_pipe_rx != NULL) { |
| 1151 | err = usbd_abort_pipe(sc->sc_pipe_rx); |
| 1152 | if (err) |
| 1153 | printf("%s: abort rx pipe failed: %s\n" , |
| 1154 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1155 | } |
| 1156 | |
| 1157 | /* TX endpoint */ |
| 1158 | if (sc->sc_pipe_tx != NULL) { |
| 1159 | err = usbd_abort_pipe(sc->sc_pipe_tx); |
| 1160 | if (err) |
| 1161 | printf("%s: abort tx pipe failed: %s\n" , |
| 1162 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1163 | } |
| 1164 | |
| 1165 | #if 0 |
| 1166 | /* XXX: Interrupt endpoint is not yet supported!! */ |
| 1167 | /* Interrupt endpoint */ |
| 1168 | if (sc->sc_pipe_intr != NULL) { |
| 1169 | err = usbd_abort_pipe(sc->sc_pipe_intr); |
| 1170 | if (err) |
| 1171 | printf("%s: abort intr pipe failed: %s\n" , |
| 1172 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1173 | err = usbd_close_pipe(sc->sc_pipe_intr); |
| 1174 | if (err) |
| 1175 | printf("%s: close intr pipe failed: %s\n" , |
| 1176 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1177 | sc->sc_pipe_intr = NULL; |
| 1178 | } |
| 1179 | #endif |
| 1180 | |
| 1181 | /* Free RX resources. */ |
| 1182 | for (i = 0; i < URL_RX_LIST_CNT; i++) { |
| 1183 | if (sc->sc_cdata.url_rx_chain[i].url_mbuf != NULL) { |
| 1184 | m_freem(sc->sc_cdata.url_rx_chain[i].url_mbuf); |
| 1185 | sc->sc_cdata.url_rx_chain[i].url_mbuf = NULL; |
| 1186 | } |
| 1187 | if (sc->sc_cdata.url_rx_chain[i].url_xfer != NULL) { |
| 1188 | usbd_destroy_xfer(sc->sc_cdata.url_rx_chain[i].url_xfer); |
| 1189 | sc->sc_cdata.url_rx_chain[i].url_xfer = NULL; |
| 1190 | } |
| 1191 | } |
| 1192 | |
| 1193 | /* Free TX resources. */ |
| 1194 | for (i = 0; i < URL_TX_LIST_CNT; i++) { |
| 1195 | if (sc->sc_cdata.url_tx_chain[i].url_mbuf != NULL) { |
| 1196 | m_freem(sc->sc_cdata.url_tx_chain[i].url_mbuf); |
| 1197 | sc->sc_cdata.url_tx_chain[i].url_mbuf = NULL; |
| 1198 | } |
| 1199 | if (sc->sc_cdata.url_tx_chain[i].url_xfer != NULL) { |
| 1200 | usbd_destroy_xfer(sc->sc_cdata.url_tx_chain[i].url_xfer); |
| 1201 | sc->sc_cdata.url_tx_chain[i].url_xfer = NULL; |
| 1202 | } |
| 1203 | } |
| 1204 | |
| 1205 | /* Close pipes */ |
| 1206 | /* RX endpoint */ |
| 1207 | if (sc->sc_pipe_rx != NULL) { |
| 1208 | err = usbd_close_pipe(sc->sc_pipe_rx); |
| 1209 | if (err) |
| 1210 | printf("%s: close rx pipe failed: %s\n" , |
| 1211 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1212 | sc->sc_pipe_rx = NULL; |
| 1213 | } |
| 1214 | |
| 1215 | /* TX endpoint */ |
| 1216 | if (sc->sc_pipe_tx != NULL) { |
| 1217 | err = usbd_close_pipe(sc->sc_pipe_tx); |
| 1218 | if (err) |
| 1219 | printf("%s: close tx pipe failed: %s\n" , |
| 1220 | device_xname(sc->sc_dev), usbd_errstr(err)); |
| 1221 | sc->sc_pipe_tx = NULL; |
| 1222 | } |
| 1223 | |
| 1224 | sc->sc_link = 0; |
| 1225 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 1226 | } |
| 1227 | |
| 1228 | /* Set media options */ |
| 1229 | Static int |
| 1230 | url_ifmedia_change(struct ifnet *ifp) |
| 1231 | { |
| 1232 | struct url_softc *sc = ifp->if_softc; |
| 1233 | struct mii_data *mii = GET_MII(sc); |
| 1234 | int rc; |
| 1235 | |
| 1236 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1237 | |
| 1238 | if (sc->sc_dying) |
| 1239 | return 0; |
| 1240 | |
| 1241 | sc->sc_link = 0; |
| 1242 | if ((rc = mii_mediachg(mii)) == ENXIO) |
| 1243 | return 0; |
| 1244 | return rc; |
| 1245 | } |
| 1246 | |
| 1247 | /* Report current media status. */ |
| 1248 | Static void |
| 1249 | url_ifmedia_status(struct ifnet *ifp, struct ifmediareq *ifmr) |
| 1250 | { |
| 1251 | struct url_softc *sc = ifp->if_softc; |
| 1252 | |
| 1253 | DPRINTF(("%s: %s: enter\n" , device_xname(sc->sc_dev), __func__)); |
| 1254 | |
| 1255 | if (sc->sc_dying) |
| 1256 | return; |
| 1257 | |
| 1258 | ether_mediastatus(ifp, ifmr); |
| 1259 | } |
| 1260 | |
| 1261 | Static void |
| 1262 | url_tick(void *xsc) |
| 1263 | { |
| 1264 | struct url_softc *sc = xsc; |
| 1265 | |
| 1266 | if (sc == NULL) |
| 1267 | return; |
| 1268 | |
| 1269 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1270 | __func__)); |
| 1271 | |
| 1272 | if (sc->sc_dying) |
| 1273 | return; |
| 1274 | |
| 1275 | /* Perform periodic stuff in process context */ |
| 1276 | usb_add_task(sc->sc_udev, &sc->sc_tick_task, USB_TASKQ_DRIVER); |
| 1277 | } |
| 1278 | |
| 1279 | Static void |
| 1280 | url_tick_task(void *xsc) |
| 1281 | { |
| 1282 | struct url_softc *sc = xsc; |
| 1283 | struct ifnet *ifp; |
| 1284 | struct mii_data *mii; |
| 1285 | int s; |
| 1286 | |
| 1287 | if (sc == NULL) |
| 1288 | return; |
| 1289 | |
| 1290 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1291 | __func__)); |
| 1292 | |
| 1293 | if (sc->sc_dying) |
| 1294 | return; |
| 1295 | |
| 1296 | ifp = GET_IFP(sc); |
| 1297 | mii = GET_MII(sc); |
| 1298 | |
| 1299 | if (mii == NULL) |
| 1300 | return; |
| 1301 | |
| 1302 | s = splnet(); |
| 1303 | |
| 1304 | mii_tick(mii); |
| 1305 | if (!sc->sc_link) { |
| 1306 | mii_pollstat(mii); |
| 1307 | if (mii->mii_media_status & IFM_ACTIVE && |
| 1308 | IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) { |
| 1309 | DPRINTF(("%s: %s: got link\n" , |
| 1310 | device_xname(sc->sc_dev), __func__)); |
| 1311 | sc->sc_link++; |
| 1312 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1313 | url_start(ifp); |
| 1314 | } |
| 1315 | } |
| 1316 | |
| 1317 | callout_reset(&sc->sc_stat_ch, hz, url_tick, sc); |
| 1318 | |
| 1319 | splx(s); |
| 1320 | } |
| 1321 | |
| 1322 | /* Get exclusive access to the MII registers */ |
| 1323 | Static void |
| 1324 | url_lock_mii(struct url_softc *sc) |
| 1325 | { |
| 1326 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1327 | __func__)); |
| 1328 | |
| 1329 | sc->sc_refcnt++; |
| 1330 | rw_enter(&sc->sc_mii_rwlock, RW_WRITER); |
| 1331 | } |
| 1332 | |
| 1333 | Static void |
| 1334 | url_unlock_mii(struct url_softc *sc) |
| 1335 | { |
| 1336 | DPRINTFN(0xff, ("%s: %s: enter\n" , device_xname(sc->sc_dev), |
| 1337 | __func__)); |
| 1338 | |
| 1339 | rw_exit(&sc->sc_mii_rwlock); |
| 1340 | if (--sc->sc_refcnt < 0) |
| 1341 | usb_detach_wakeupold(sc->sc_dev); |
| 1342 | } |
| 1343 | |
| 1344 | Static int |
| 1345 | url_int_miibus_readreg(device_t dev, int phy, int reg) |
| 1346 | { |
| 1347 | struct url_softc *sc; |
| 1348 | uint16_t val; |
| 1349 | |
| 1350 | if (dev == NULL) |
| 1351 | return 0; |
| 1352 | |
| 1353 | sc = device_private(dev); |
| 1354 | |
| 1355 | DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x\n" , |
| 1356 | device_xname(sc->sc_dev), __func__, phy, reg)); |
| 1357 | |
| 1358 | if (sc->sc_dying) { |
| 1359 | #ifdef DIAGNOSTIC |
| 1360 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
| 1361 | __func__); |
| 1362 | #endif |
| 1363 | return 0; |
| 1364 | } |
| 1365 | |
| 1366 | /* XXX: one PHY only for the RTL8150 internal PHY */ |
| 1367 | if (phy != 0) { |
| 1368 | DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n" , |
| 1369 | device_xname(sc->sc_dev), __func__, phy)); |
| 1370 | return 0; |
| 1371 | } |
| 1372 | |
| 1373 | url_lock_mii(sc); |
| 1374 | |
| 1375 | switch (reg) { |
| 1376 | case MII_BMCR: /* Control Register */ |
| 1377 | reg = URL_BMCR; |
| 1378 | break; |
| 1379 | case MII_BMSR: /* Status Register */ |
| 1380 | reg = URL_BMSR; |
| 1381 | break; |
| 1382 | case MII_PHYIDR1: |
| 1383 | case MII_PHYIDR2: |
| 1384 | val = 0; |
| 1385 | goto R_DONE; |
| 1386 | break; |
| 1387 | case MII_ANAR: /* Autonegotiation advertisement */ |
| 1388 | reg = URL_ANAR; |
| 1389 | break; |
| 1390 | case MII_ANLPAR: /* Autonegotiation link partner abilities */ |
| 1391 | reg = URL_ANLP; |
| 1392 | break; |
| 1393 | case URLPHY_MSR: /* Media Status Register */ |
| 1394 | reg = URL_MSR; |
| 1395 | break; |
| 1396 | default: |
| 1397 | printf("%s: %s: bad register %04x\n" , |
| 1398 | device_xname(sc->sc_dev), __func__, reg); |
| 1399 | val = 0; |
| 1400 | goto R_DONE; |
| 1401 | break; |
| 1402 | } |
| 1403 | |
| 1404 | if (reg == URL_MSR) |
| 1405 | val = url_csr_read_1(sc, reg); |
| 1406 | else |
| 1407 | val = url_csr_read_2(sc, reg); |
| 1408 | |
| 1409 | R_DONE: |
| 1410 | DPRINTFN(0xff, ("%s: %s: phy=%d reg=0x%04x => 0x%04x\n" , |
| 1411 | device_xname(sc->sc_dev), __func__, phy, reg, val)); |
| 1412 | |
| 1413 | url_unlock_mii(sc); |
| 1414 | return val; |
| 1415 | } |
| 1416 | |
| 1417 | Static void |
| 1418 | url_int_miibus_writereg(device_t dev, int phy, int reg, int data) |
| 1419 | { |
| 1420 | struct url_softc *sc; |
| 1421 | |
| 1422 | if (dev == NULL) |
| 1423 | return; |
| 1424 | |
| 1425 | sc = device_private(dev); |
| 1426 | |
| 1427 | DPRINTFN(0xff, ("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n" , |
| 1428 | device_xname(sc->sc_dev), __func__, phy, reg, data)); |
| 1429 | |
| 1430 | if (sc->sc_dying) { |
| 1431 | #ifdef DIAGNOSTIC |
| 1432 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
| 1433 | __func__); |
| 1434 | #endif |
| 1435 | return; |
| 1436 | } |
| 1437 | |
| 1438 | /* XXX: one PHY only for the RTL8150 internal PHY */ |
| 1439 | if (phy != 0) { |
| 1440 | DPRINTFN(0xff, ("%s: %s: phy=%d is not supported\n" , |
| 1441 | device_xname(sc->sc_dev), __func__, phy)); |
| 1442 | return; |
| 1443 | } |
| 1444 | |
| 1445 | url_lock_mii(sc); |
| 1446 | |
| 1447 | switch (reg) { |
| 1448 | case MII_BMCR: /* Control Register */ |
| 1449 | reg = URL_BMCR; |
| 1450 | break; |
| 1451 | case MII_BMSR: /* Status Register */ |
| 1452 | reg = URL_BMSR; |
| 1453 | break; |
| 1454 | case MII_PHYIDR1: |
| 1455 | case MII_PHYIDR2: |
| 1456 | goto W_DONE; |
| 1457 | break; |
| 1458 | case MII_ANAR: /* Autonegotiation advertisement */ |
| 1459 | reg = URL_ANAR; |
| 1460 | break; |
| 1461 | case MII_ANLPAR: /* Autonegotiation link partner abilities */ |
| 1462 | reg = URL_ANLP; |
| 1463 | break; |
| 1464 | case URLPHY_MSR: /* Media Status Register */ |
| 1465 | reg = URL_MSR; |
| 1466 | break; |
| 1467 | default: |
| 1468 | printf("%s: %s: bad register %04x\n" , |
| 1469 | device_xname(sc->sc_dev), __func__, reg); |
| 1470 | goto W_DONE; |
| 1471 | break; |
| 1472 | } |
| 1473 | |
| 1474 | if (reg == URL_MSR) |
| 1475 | url_csr_write_1(sc, reg, data); |
| 1476 | else |
| 1477 | url_csr_write_2(sc, reg, data); |
| 1478 | W_DONE: |
| 1479 | |
| 1480 | url_unlock_mii(sc); |
| 1481 | return; |
| 1482 | } |
| 1483 | |
| 1484 | Static void |
| 1485 | url_miibus_statchg(struct ifnet *ifp) |
| 1486 | { |
| 1487 | #ifdef URL_DEBUG |
| 1488 | if (ifp == NULL) |
| 1489 | return; |
| 1490 | |
| 1491 | DPRINTF(("%s: %s: enter\n" , ifp->if_xname, __func__)); |
| 1492 | #endif |
| 1493 | /* Nothing to do */ |
| 1494 | } |
| 1495 | |
| 1496 | #if 0 |
| 1497 | /* |
| 1498 | * external PHYs support, but not test. |
| 1499 | */ |
| 1500 | Static int |
| 1501 | url_ext_miibus_redreg(device_t dev, int phy, int reg) |
| 1502 | { |
| 1503 | struct url_softc *sc = device_private(dev); |
| 1504 | uint16_t val; |
| 1505 | |
| 1506 | DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x\n" , |
| 1507 | device_xname(sc->sc_dev), __func__, phy, reg)); |
| 1508 | |
| 1509 | if (sc->sc_dying) { |
| 1510 | #ifdef DIAGNOSTIC |
| 1511 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
| 1512 | __func__); |
| 1513 | #endif |
| 1514 | return 0; |
| 1515 | } |
| 1516 | |
| 1517 | url_lock_mii(sc); |
| 1518 | |
| 1519 | url_csr_write_1(sc, URL_PHYADD, phy & URL_PHYADD_MASK); |
| 1520 | /* |
| 1521 | * RTL8150L will initiate a MII management data transaction |
| 1522 | * if PHYCNT_OWN bit is set 1 by software. After transaction, |
| 1523 | * this bit is auto cleared by TRL8150L. |
| 1524 | */ |
| 1525 | url_csr_write_1(sc, URL_PHYCNT, |
| 1526 | (reg | URL_PHYCNT_PHYOWN) & ~URL_PHYCNT_RWCR); |
| 1527 | for (i = 0; i < URL_TIMEOUT; i++) { |
| 1528 | if ((url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) == 0) |
| 1529 | break; |
| 1530 | } |
| 1531 | if (i == URL_TIMEOUT) { |
| 1532 | printf("%s: MII read timed out\n" , device_xname(sc->sc_dev)); |
| 1533 | } |
| 1534 | |
| 1535 | val = url_csr_read_2(sc, URL_PHYDAT); |
| 1536 | |
| 1537 | DPRINTF(("%s: %s: phy=%d reg=0x%04x => 0x%04x\n" , |
| 1538 | device_xname(sc->sc_dev), __func__, phy, reg, val)); |
| 1539 | |
| 1540 | url_unlock_mii(sc); |
| 1541 | return val; |
| 1542 | } |
| 1543 | |
| 1544 | Static void |
| 1545 | url_ext_miibus_writereg(device_t dev, int phy, int reg, int data) |
| 1546 | { |
| 1547 | struct url_softc *sc = device_private(dev); |
| 1548 | |
| 1549 | DPRINTF(("%s: %s: enter, phy=%d reg=0x%04x data=0x%04x\n" , |
| 1550 | device_xname(sc->sc_dev), __func__, phy, reg, data)); |
| 1551 | |
| 1552 | if (sc->sc_dying) { |
| 1553 | #ifdef DIAGNOSTIC |
| 1554 | printf("%s: %s: dying\n" , device_xname(sc->sc_dev), |
| 1555 | __func__); |
| 1556 | #endif |
| 1557 | return; |
| 1558 | } |
| 1559 | |
| 1560 | url_lock_mii(sc); |
| 1561 | |
| 1562 | url_csr_write_2(sc, URL_PHYDAT, data); |
| 1563 | url_csr_write_1(sc, URL_PHYADD, phy); |
| 1564 | url_csr_write_1(sc, URL_PHYCNT, reg | URL_PHYCNT_RWCR); /* Write */ |
| 1565 | |
| 1566 | for (i=0; i < URL_TIMEOUT; i++) { |
| 1567 | if (url_csr_read_1(sc, URL_PHYCNT) & URL_PHYCNT_PHYOWN) |
| 1568 | break; |
| 1569 | } |
| 1570 | |
| 1571 | if (i == URL_TIMEOUT) { |
| 1572 | printf("%s: MII write timed out\n" , |
| 1573 | device_xname(sc->sc_dev)); |
| 1574 | } |
| 1575 | |
| 1576 | url_unlock_mii(sc); |
| 1577 | return; |
| 1578 | } |
| 1579 | #endif |
| 1580 | |