| 1 | /* $NetBSD: if_urndis.c,v 1.13 2016/07/14 04:00:46 msaitoh Exp $ */ |
| 2 | /* $OpenBSD: if_urndis.c,v 1.31 2011/07/03 15:47:17 matthew Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (c) 2010 Jonathan Armani <armani@openbsd.org> |
| 6 | * Copyright (c) 2010 Fabien Romano <fabien@openbsd.org> |
| 7 | * Copyright (c) 2010 Michael Knudsen <mk@openbsd.org> |
| 8 | * All rights reserved. |
| 9 | * |
| 10 | * Permission to use, copy, modify, and distribute this software for any |
| 11 | * purpose with or without fee is hereby granted, provided that the above |
| 12 | * copyright notice and this permission notice appear in all copies. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 15 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 16 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 17 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 18 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 19 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 20 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include <sys/cdefs.h> |
| 24 | __KERNEL_RCSID(0, "$NetBSD: if_urndis.c,v 1.13 2016/07/14 04:00:46 msaitoh Exp $" ); |
| 25 | |
| 26 | #include <sys/param.h> |
| 27 | #include <sys/systm.h> |
| 28 | #include <sys/sockio.h> |
| 29 | #include <sys/rwlock.h> |
| 30 | #include <sys/mbuf.h> |
| 31 | #include <sys/kmem.h> |
| 32 | #include <sys/kernel.h> |
| 33 | #include <sys/proc.h> |
| 34 | #include <sys/socket.h> |
| 35 | #include <sys/device.h> |
| 36 | |
| 37 | #include <net/if.h> |
| 38 | #include <net/if_dl.h> |
| 39 | #include <net/if_media.h> |
| 40 | #include <net/if_ether.h> |
| 41 | |
| 42 | #include <net/bpf.h> |
| 43 | |
| 44 | #include <sys/bus.h> |
| 45 | #include <dev/usb/usb.h> |
| 46 | #include <dev/usb/usbdi.h> |
| 47 | #include <dev/usb/usbdi_util.h> |
| 48 | #include <dev/usb/usbdivar.h> |
| 49 | #include <dev/usb/usbdevs.h> |
| 50 | #include <dev/usb/usbcdc.h> |
| 51 | |
| 52 | #include <dev/usb/if_urndisreg.h> |
| 53 | |
| 54 | #ifdef URNDIS_DEBUG |
| 55 | #define DPRINTF(x) do { printf x; } while (0) |
| 56 | #else |
| 57 | #define DPRINTF(x) |
| 58 | #endif |
| 59 | |
| 60 | #define DEVNAME(sc) (device_xname(sc->sc_dev)) |
| 61 | |
| 62 | #define ETHER_ALIGN 2 |
| 63 | #define URNDIS_RESPONSE_LEN 0x400 |
| 64 | |
| 65 | |
| 66 | static int urndis_newbuf(struct urndis_softc *, struct urndis_chain *); |
| 67 | |
| 68 | static int urndis_ioctl(struct ifnet *, unsigned long, void *); |
| 69 | #if 0 |
| 70 | static void urndis_watchdog(struct ifnet *); |
| 71 | #endif |
| 72 | |
| 73 | static void urndis_start(struct ifnet *); |
| 74 | static void urndis_rxeof(struct usbd_xfer *, void *, usbd_status); |
| 75 | static void urndis_txeof(struct usbd_xfer *, void *, usbd_status); |
| 76 | static int urndis_rx_list_init(struct urndis_softc *); |
| 77 | static int urndis_tx_list_init(struct urndis_softc *); |
| 78 | |
| 79 | static int urndis_init(struct ifnet *); |
| 80 | static void urndis_stop(struct ifnet *); |
| 81 | |
| 82 | static usbd_status urndis_ctrl_msg(struct urndis_softc *, uint8_t, uint8_t, |
| 83 | uint16_t, uint16_t, void *, size_t); |
| 84 | static usbd_status urndis_ctrl_send(struct urndis_softc *, void *, size_t); |
| 85 | static struct urndis_comp_hdr *urndis_ctrl_recv(struct urndis_softc *); |
| 86 | |
| 87 | static uint32_t urndis_ctrl_handle(struct urndis_softc *, |
| 88 | struct urndis_comp_hdr *, void **, size_t *); |
| 89 | static uint32_t urndis_ctrl_handle_init(struct urndis_softc *, |
| 90 | const struct urndis_comp_hdr *); |
| 91 | static uint32_t urndis_ctrl_handle_query(struct urndis_softc *, |
| 92 | const struct urndis_comp_hdr *, void **, size_t *); |
| 93 | static uint32_t urndis_ctrl_handle_reset(struct urndis_softc *, |
| 94 | const struct urndis_comp_hdr *); |
| 95 | |
| 96 | static uint32_t urndis_ctrl_init(struct urndis_softc *); |
| 97 | #if 0 |
| 98 | static uint32_t urndis_ctrl_halt(struct urndis_softc *); |
| 99 | #endif |
| 100 | static uint32_t urndis_ctrl_query(struct urndis_softc *, uint32_t, void *, |
| 101 | size_t, void **, size_t *); |
| 102 | static uint32_t urndis_ctrl_set(struct urndis_softc *, uint32_t, void *, |
| 103 | size_t); |
| 104 | #if 0 |
| 105 | static uint32_t urndis_ctrl_set_param(struct urndis_softc *, const char *, |
| 106 | uint32_t, void *, size_t); |
| 107 | static uint32_t urndis_ctrl_reset(struct urndis_softc *); |
| 108 | static uint32_t urndis_ctrl_keepalive(struct urndis_softc *); |
| 109 | #endif |
| 110 | |
| 111 | static int urndis_encap(struct urndis_softc *, struct mbuf *, int); |
| 112 | static void urndis_decap(struct urndis_softc *, struct urndis_chain *, |
| 113 | uint32_t); |
| 114 | |
| 115 | static int urndis_match(device_t, cfdata_t, void *); |
| 116 | static void urndis_attach(device_t, device_t, void *); |
| 117 | static int urndis_detach(device_t, int); |
| 118 | static int urndis_activate(device_t, enum devact); |
| 119 | |
| 120 | CFATTACH_DECL_NEW(urndis, sizeof(struct urndis_softc), |
| 121 | urndis_match, urndis_attach, urndis_detach, urndis_activate); |
| 122 | |
| 123 | /* |
| 124 | * Supported devices that we can't match by class IDs. |
| 125 | */ |
| 126 | static const struct usb_devno urndis_devs[] = { |
| 127 | { USB_VENDOR_HTC, USB_PRODUCT_HTC_ANDROID }, |
| 128 | { USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_ANDROID2 }, |
| 129 | }; |
| 130 | |
| 131 | static usbd_status |
| 132 | urndis_ctrl_msg(struct urndis_softc *sc, uint8_t rt, uint8_t r, |
| 133 | uint16_t index, uint16_t value, void *buf, size_t buflen) |
| 134 | { |
| 135 | usb_device_request_t req; |
| 136 | |
| 137 | req.bmRequestType = rt; |
| 138 | req.bRequest = r; |
| 139 | USETW(req.wValue, value); |
| 140 | USETW(req.wIndex, index); |
| 141 | USETW(req.wLength, buflen); |
| 142 | |
| 143 | return usbd_do_request(sc->sc_udev, &req, buf); |
| 144 | } |
| 145 | |
| 146 | static usbd_status |
| 147 | urndis_ctrl_send(struct urndis_softc *sc, void *buf, size_t len) |
| 148 | { |
| 149 | usbd_status err; |
| 150 | |
| 151 | if (sc->sc_dying) |
| 152 | return(0); |
| 153 | |
| 154 | err = urndis_ctrl_msg(sc, UT_WRITE_CLASS_INTERFACE, UR_GET_STATUS, |
| 155 | sc->sc_ifaceno_ctl, 0, buf, len); |
| 156 | |
| 157 | if (err != USBD_NORMAL_COMPLETION) |
| 158 | printf("%s: %s\n" , DEVNAME(sc), usbd_errstr(err)); |
| 159 | |
| 160 | return err; |
| 161 | } |
| 162 | |
| 163 | static struct urndis_comp_hdr * |
| 164 | urndis_ctrl_recv(struct urndis_softc *sc) |
| 165 | { |
| 166 | struct urndis_comp_hdr *hdr; |
| 167 | char *buf; |
| 168 | usbd_status err; |
| 169 | |
| 170 | buf = kmem_alloc(URNDIS_RESPONSE_LEN, KM_SLEEP); |
| 171 | if (buf == NULL) { |
| 172 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 173 | return NULL; |
| 174 | } |
| 175 | |
| 176 | err = urndis_ctrl_msg(sc, UT_READ_CLASS_INTERFACE, UR_CLEAR_FEATURE, |
| 177 | sc->sc_ifaceno_ctl, 0, buf, URNDIS_RESPONSE_LEN); |
| 178 | |
| 179 | if (err != USBD_NORMAL_COMPLETION && err != USBD_SHORT_XFER) { |
| 180 | printf("%s: %s\n" , DEVNAME(sc), usbd_errstr(err)); |
| 181 | kmem_free(buf, URNDIS_RESPONSE_LEN); |
| 182 | return NULL; |
| 183 | } |
| 184 | |
| 185 | hdr = (struct urndis_comp_hdr *)buf; |
| 186 | DPRINTF(("%s: urndis_ctrl_recv: type 0x%x len %u\n" , |
| 187 | DEVNAME(sc), |
| 188 | le32toh(hdr->rm_type), |
| 189 | le32toh(hdr->rm_len))); |
| 190 | |
| 191 | if (le32toh(hdr->rm_len) > URNDIS_RESPONSE_LEN) { |
| 192 | printf("%s: ctrl message error: wrong size %u > %u\n" , |
| 193 | DEVNAME(sc), |
| 194 | le32toh(hdr->rm_len), |
| 195 | URNDIS_RESPONSE_LEN); |
| 196 | kmem_free(buf, URNDIS_RESPONSE_LEN); |
| 197 | return NULL; |
| 198 | } |
| 199 | |
| 200 | return hdr; |
| 201 | } |
| 202 | |
| 203 | static uint32_t |
| 204 | urndis_ctrl_handle(struct urndis_softc *sc, struct urndis_comp_hdr *hdr, |
| 205 | void **buf, size_t *bufsz) |
| 206 | { |
| 207 | uint32_t rval; |
| 208 | |
| 209 | DPRINTF(("%s: urndis_ctrl_handle\n" , DEVNAME(sc))); |
| 210 | |
| 211 | if (buf && bufsz) { |
| 212 | *buf = NULL; |
| 213 | *bufsz = 0; |
| 214 | } |
| 215 | |
| 216 | switch (le32toh(hdr->rm_type)) { |
| 217 | case REMOTE_NDIS_INITIALIZE_CMPLT: |
| 218 | rval = urndis_ctrl_handle_init(sc, hdr); |
| 219 | break; |
| 220 | |
| 221 | case REMOTE_NDIS_QUERY_CMPLT: |
| 222 | rval = urndis_ctrl_handle_query(sc, hdr, buf, bufsz); |
| 223 | break; |
| 224 | |
| 225 | case REMOTE_NDIS_RESET_CMPLT: |
| 226 | rval = urndis_ctrl_handle_reset(sc, hdr); |
| 227 | break; |
| 228 | |
| 229 | case REMOTE_NDIS_KEEPALIVE_CMPLT: |
| 230 | case REMOTE_NDIS_SET_CMPLT: |
| 231 | rval = le32toh(hdr->rm_status); |
| 232 | break; |
| 233 | |
| 234 | default: |
| 235 | printf("%s: ctrl message error: unknown event 0x%x\n" , |
| 236 | DEVNAME(sc), le32toh(hdr->rm_type)); |
| 237 | rval = RNDIS_STATUS_FAILURE; |
| 238 | } |
| 239 | |
| 240 | kmem_free(hdr, URNDIS_RESPONSE_LEN); |
| 241 | |
| 242 | return rval; |
| 243 | } |
| 244 | |
| 245 | static uint32_t |
| 246 | urndis_ctrl_handle_init(struct urndis_softc *sc, |
| 247 | const struct urndis_comp_hdr *hdr) |
| 248 | { |
| 249 | const struct urndis_init_comp *msg; |
| 250 | |
| 251 | msg = (const struct urndis_init_comp *) hdr; |
| 252 | |
| 253 | DPRINTF(("%s: urndis_ctrl_handle_init: len %u rid %u status 0x%x " |
| 254 | "ver_major %u ver_minor %u devflags 0x%x medium 0x%x pktmaxcnt %u " |
| 255 | "pktmaxsz %u align %u aflistoffset %u aflistsz %u\n" , |
| 256 | DEVNAME(sc), |
| 257 | le32toh(msg->rm_len), |
| 258 | le32toh(msg->rm_rid), |
| 259 | le32toh(msg->rm_status), |
| 260 | le32toh(msg->rm_ver_major), |
| 261 | le32toh(msg->rm_ver_minor), |
| 262 | le32toh(msg->rm_devflags), |
| 263 | le32toh(msg->rm_medium), |
| 264 | le32toh(msg->rm_pktmaxcnt), |
| 265 | le32toh(msg->rm_pktmaxsz), |
| 266 | le32toh(msg->rm_align), |
| 267 | le32toh(msg->rm_aflistoffset), |
| 268 | le32toh(msg->rm_aflistsz))); |
| 269 | |
| 270 | if (le32toh(msg->rm_status) != RNDIS_STATUS_SUCCESS) { |
| 271 | printf("%s: init failed 0x%x\n" , |
| 272 | DEVNAME(sc), |
| 273 | le32toh(msg->rm_status)); |
| 274 | |
| 275 | return le32toh(msg->rm_status); |
| 276 | } |
| 277 | |
| 278 | if (le32toh(msg->rm_devflags) != RNDIS_DF_CONNECTIONLESS) { |
| 279 | printf("%s: wrong device type (current type: 0x%x)\n" , |
| 280 | DEVNAME(sc), |
| 281 | le32toh(msg->rm_devflags)); |
| 282 | |
| 283 | return RNDIS_STATUS_FAILURE; |
| 284 | } |
| 285 | |
| 286 | if (le32toh(msg->rm_medium) != RNDIS_MEDIUM_802_3) { |
| 287 | printf("%s: medium not 802.3 (current medium: 0x%x)\n" , |
| 288 | DEVNAME(sc), le32toh(msg->rm_medium)); |
| 289 | |
| 290 | return RNDIS_STATUS_FAILURE; |
| 291 | } |
| 292 | |
| 293 | sc->sc_lim_pktsz = le32toh(msg->rm_pktmaxsz); |
| 294 | |
| 295 | return le32toh(msg->rm_status); |
| 296 | } |
| 297 | |
| 298 | static uint32_t |
| 299 | urndis_ctrl_handle_query(struct urndis_softc *sc, |
| 300 | const struct urndis_comp_hdr *hdr, void **buf, size_t *bufsz) |
| 301 | { |
| 302 | const struct urndis_query_comp *msg; |
| 303 | |
| 304 | msg = (const struct urndis_query_comp *) hdr; |
| 305 | |
| 306 | DPRINTF(("%s: urndis_ctrl_handle_query: len %u rid %u status 0x%x " |
| 307 | "buflen %u bufoff %u\n" , |
| 308 | DEVNAME(sc), |
| 309 | le32toh(msg->rm_len), |
| 310 | le32toh(msg->rm_rid), |
| 311 | le32toh(msg->rm_status), |
| 312 | le32toh(msg->rm_infobuflen), |
| 313 | le32toh(msg->rm_infobufoffset))); |
| 314 | |
| 315 | if (buf && bufsz) { |
| 316 | *buf = NULL; |
| 317 | *bufsz = 0; |
| 318 | } |
| 319 | |
| 320 | if (le32toh(msg->rm_status) != RNDIS_STATUS_SUCCESS) { |
| 321 | printf("%s: query failed 0x%x\n" , |
| 322 | DEVNAME(sc), |
| 323 | le32toh(msg->rm_status)); |
| 324 | |
| 325 | return le32toh(msg->rm_status); |
| 326 | } |
| 327 | |
| 328 | if (le32toh(msg->rm_infobuflen) + le32toh(msg->rm_infobufoffset) + |
| 329 | RNDIS_HEADER_OFFSET > le32toh(msg->rm_len)) { |
| 330 | printf("%s: ctrl message error: invalid query info " |
| 331 | "len/offset/end_position(%u/%u/%u) -> " |
| 332 | "go out of buffer limit %u\n" , |
| 333 | DEVNAME(sc), |
| 334 | le32toh(msg->rm_infobuflen), |
| 335 | le32toh(msg->rm_infobufoffset), |
| 336 | le32toh(msg->rm_infobuflen) + |
| 337 | le32toh(msg->rm_infobufoffset) + (uint32_t)RNDIS_HEADER_OFFSET, |
| 338 | le32toh(msg->rm_len)); |
| 339 | return RNDIS_STATUS_FAILURE; |
| 340 | } |
| 341 | |
| 342 | if (buf && bufsz) { |
| 343 | *buf = kmem_alloc(le32toh(msg->rm_infobuflen), KM_SLEEP); |
| 344 | if (*buf == NULL) { |
| 345 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 346 | return RNDIS_STATUS_FAILURE; |
| 347 | } else { |
| 348 | const char *p; |
| 349 | *bufsz = le32toh(msg->rm_infobuflen); |
| 350 | |
| 351 | p = (const char *)&msg->rm_rid; |
| 352 | p += le32toh(msg->rm_infobufoffset); |
| 353 | memcpy(*buf, p, le32toh(msg->rm_infobuflen)); |
| 354 | } |
| 355 | } |
| 356 | |
| 357 | return le32toh(msg->rm_status); |
| 358 | } |
| 359 | |
| 360 | static uint32_t |
| 361 | urndis_ctrl_handle_reset(struct urndis_softc *sc, |
| 362 | const struct urndis_comp_hdr *hdr) |
| 363 | { |
| 364 | const struct urndis_reset_comp *msg; |
| 365 | uint32_t rval; |
| 366 | |
| 367 | msg = (const struct urndis_reset_comp *) hdr; |
| 368 | |
| 369 | rval = le32toh(msg->rm_status); |
| 370 | |
| 371 | DPRINTF(("%s: urndis_ctrl_handle_reset: len %u status 0x%x " |
| 372 | "adrreset %u\n" , |
| 373 | DEVNAME(sc), |
| 374 | le32toh(msg->rm_len), |
| 375 | rval, |
| 376 | le32toh(msg->rm_adrreset))); |
| 377 | |
| 378 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 379 | printf("%s: reset failed 0x%x\n" , DEVNAME(sc), rval); |
| 380 | return rval; |
| 381 | } |
| 382 | |
| 383 | if (le32toh(msg->rm_adrreset) != 0) { |
| 384 | uint32_t filter; |
| 385 | |
| 386 | filter = htole32(sc->sc_filter); |
| 387 | rval = urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER, |
| 388 | &filter, sizeof(filter)); |
| 389 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 390 | printf("%s: unable to reset data filters\n" , |
| 391 | DEVNAME(sc)); |
| 392 | return rval; |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | return rval; |
| 397 | } |
| 398 | |
| 399 | static uint32_t |
| 400 | urndis_ctrl_init(struct urndis_softc *sc) |
| 401 | { |
| 402 | struct urndis_init_req *msg; |
| 403 | uint32_t rval; |
| 404 | struct urndis_comp_hdr *hdr; |
| 405 | |
| 406 | msg = kmem_alloc(sizeof(*msg), KM_SLEEP); |
| 407 | if (msg == NULL) { |
| 408 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 409 | return RNDIS_STATUS_FAILURE; |
| 410 | } |
| 411 | |
| 412 | msg->rm_type = htole32(REMOTE_NDIS_INITIALIZE_MSG); |
| 413 | msg->rm_len = htole32(sizeof(*msg)); |
| 414 | msg->rm_rid = htole32(0); |
| 415 | msg->rm_ver_major = htole32(1); |
| 416 | msg->rm_ver_minor = htole32(1); |
| 417 | msg->rm_max_xfersz = htole32(RNDIS_BUFSZ); |
| 418 | |
| 419 | DPRINTF(("%s: urndis_ctrl_init send: type %u len %u rid %u ver_major %u " |
| 420 | "ver_minor %u max_xfersz %u\n" , |
| 421 | DEVNAME(sc), |
| 422 | le32toh(msg->rm_type), |
| 423 | le32toh(msg->rm_len), |
| 424 | le32toh(msg->rm_rid), |
| 425 | le32toh(msg->rm_ver_major), |
| 426 | le32toh(msg->rm_ver_minor), |
| 427 | le32toh(msg->rm_max_xfersz))); |
| 428 | |
| 429 | rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); |
| 430 | kmem_free(msg, sizeof(*msg)); |
| 431 | |
| 432 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 433 | printf("%s: init failed\n" , DEVNAME(sc)); |
| 434 | return rval; |
| 435 | } |
| 436 | |
| 437 | if ((hdr = urndis_ctrl_recv(sc)) == NULL) { |
| 438 | printf("%s: unable to get init response\n" , DEVNAME(sc)); |
| 439 | return RNDIS_STATUS_FAILURE; |
| 440 | } |
| 441 | rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); |
| 442 | |
| 443 | return rval; |
| 444 | } |
| 445 | |
| 446 | #if 0 |
| 447 | static uint32_t |
| 448 | urndis_ctrl_halt(struct urndis_softc *sc) |
| 449 | { |
| 450 | struct urndis_halt_req *msg; |
| 451 | uint32_t rval; |
| 452 | |
| 453 | msg = kmem_alloc(sizeof(*msg), KM_SLEEP); |
| 454 | if (msg == NULL) { |
| 455 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 456 | return RNDIS_STATUS_FAILURE; |
| 457 | } |
| 458 | |
| 459 | msg->rm_type = htole32(REMOTE_NDIS_HALT_MSG); |
| 460 | msg->rm_len = htole32(sizeof(*msg)); |
| 461 | msg->rm_rid = 0; |
| 462 | |
| 463 | DPRINTF(("%s: urndis_ctrl_halt send: type %u len %u rid %u\n" , |
| 464 | DEVNAME(sc), |
| 465 | le32toh(msg->rm_type), |
| 466 | le32toh(msg->rm_len), |
| 467 | le32toh(msg->rm_rid))); |
| 468 | |
| 469 | rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); |
| 470 | kmem_free(msg, sizeof(*msg)); |
| 471 | |
| 472 | if (rval != RNDIS_STATUS_SUCCESS) |
| 473 | printf("%s: halt failed\n" , DEVNAME(sc)); |
| 474 | |
| 475 | return rval; |
| 476 | } |
| 477 | #endif |
| 478 | |
| 479 | static uint32_t |
| 480 | urndis_ctrl_query(struct urndis_softc *sc, uint32_t oid, |
| 481 | void *qbuf, size_t qlen, |
| 482 | void **rbuf, size_t *rbufsz) |
| 483 | { |
| 484 | struct urndis_query_req *msg; |
| 485 | uint32_t rval; |
| 486 | struct urndis_comp_hdr *hdr; |
| 487 | |
| 488 | msg = kmem_alloc(sizeof(*msg) + qlen, KM_SLEEP); |
| 489 | if (msg == NULL) { |
| 490 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 491 | return RNDIS_STATUS_FAILURE; |
| 492 | } |
| 493 | |
| 494 | msg->rm_type = htole32(REMOTE_NDIS_QUERY_MSG); |
| 495 | msg->rm_len = htole32(sizeof(*msg) + qlen); |
| 496 | msg->rm_rid = 0; /* XXX */ |
| 497 | msg->rm_oid = htole32(oid); |
| 498 | msg->rm_infobuflen = htole32(qlen); |
| 499 | if (qlen != 0) { |
| 500 | msg->rm_infobufoffset = htole32(20); |
| 501 | memcpy((char*)msg + 20, qbuf, qlen); |
| 502 | } else |
| 503 | msg->rm_infobufoffset = 0; |
| 504 | msg->rm_devicevchdl = 0; |
| 505 | |
| 506 | DPRINTF(("%s: urndis_ctrl_query send: type %u len %u rid %u oid 0x%x " |
| 507 | "infobuflen %u infobufoffset %u devicevchdl %u\n" , |
| 508 | DEVNAME(sc), |
| 509 | le32toh(msg->rm_type), |
| 510 | le32toh(msg->rm_len), |
| 511 | le32toh(msg->rm_rid), |
| 512 | le32toh(msg->rm_oid), |
| 513 | le32toh(msg->rm_infobuflen), |
| 514 | le32toh(msg->rm_infobufoffset), |
| 515 | le32toh(msg->rm_devicevchdl))); |
| 516 | |
| 517 | rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); |
| 518 | kmem_free(msg, sizeof(*msg) + qlen); |
| 519 | |
| 520 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 521 | printf("%s: query failed\n" , DEVNAME(sc)); |
| 522 | return rval; |
| 523 | } |
| 524 | |
| 525 | if ((hdr = urndis_ctrl_recv(sc)) == NULL) { |
| 526 | printf("%s: unable to get query response\n" , DEVNAME(sc)); |
| 527 | return RNDIS_STATUS_FAILURE; |
| 528 | } |
| 529 | rval = urndis_ctrl_handle(sc, hdr, rbuf, rbufsz); |
| 530 | |
| 531 | return rval; |
| 532 | } |
| 533 | |
| 534 | static uint32_t |
| 535 | urndis_ctrl_set(struct urndis_softc *sc, uint32_t oid, void *buf, size_t len) |
| 536 | { |
| 537 | struct urndis_set_req *msg; |
| 538 | uint32_t rval; |
| 539 | struct urndis_comp_hdr *hdr; |
| 540 | |
| 541 | msg = kmem_alloc(sizeof(*msg) + len, KM_SLEEP); |
| 542 | if (msg == NULL) { |
| 543 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 544 | return RNDIS_STATUS_FAILURE; |
| 545 | } |
| 546 | |
| 547 | msg->rm_type = htole32(REMOTE_NDIS_SET_MSG); |
| 548 | msg->rm_len = htole32(sizeof(*msg) + len); |
| 549 | msg->rm_rid = 0; /* XXX */ |
| 550 | msg->rm_oid = htole32(oid); |
| 551 | msg->rm_infobuflen = htole32(len); |
| 552 | if (len != 0) { |
| 553 | msg->rm_infobufoffset = htole32(20); |
| 554 | memcpy((char*)msg + 20, buf, len); |
| 555 | } else |
| 556 | msg->rm_infobufoffset = 0; |
| 557 | msg->rm_devicevchdl = 0; |
| 558 | |
| 559 | DPRINTF(("%s: urndis_ctrl_set send: type %u len %u rid %u oid 0x%x " |
| 560 | "infobuflen %u infobufoffset %u devicevchdl %u\n" , |
| 561 | DEVNAME(sc), |
| 562 | le32toh(msg->rm_type), |
| 563 | le32toh(msg->rm_len), |
| 564 | le32toh(msg->rm_rid), |
| 565 | le32toh(msg->rm_oid), |
| 566 | le32toh(msg->rm_infobuflen), |
| 567 | le32toh(msg->rm_infobufoffset), |
| 568 | le32toh(msg->rm_devicevchdl))); |
| 569 | |
| 570 | rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); |
| 571 | kmem_free(msg, sizeof(*msg) + len); |
| 572 | |
| 573 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 574 | printf("%s: set failed\n" , DEVNAME(sc)); |
| 575 | return rval; |
| 576 | } |
| 577 | |
| 578 | if ((hdr = urndis_ctrl_recv(sc)) == NULL) { |
| 579 | printf("%s: unable to get set response\n" , DEVNAME(sc)); |
| 580 | return RNDIS_STATUS_FAILURE; |
| 581 | } |
| 582 | rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); |
| 583 | if (rval != RNDIS_STATUS_SUCCESS) |
| 584 | printf("%s: set failed 0x%x\n" , DEVNAME(sc), rval); |
| 585 | |
| 586 | return rval; |
| 587 | } |
| 588 | |
| 589 | #if 0 |
| 590 | static uint32_t |
| 591 | urndis_ctrl_set_param(struct urndis_softc *sc, |
| 592 | const char *name, |
| 593 | uint32_t type, |
| 594 | void *buf, |
| 595 | size_t len) |
| 596 | { |
| 597 | struct urndis_set_parameter *param; |
| 598 | uint32_t rval; |
| 599 | size_t namelen, tlen; |
| 600 | |
| 601 | if (name) |
| 602 | namelen = strlen(name); |
| 603 | else |
| 604 | namelen = 0; |
| 605 | tlen = sizeof(*param) + len + namelen; |
| 606 | param = kmem_alloc(tlen, KM_SLEEP); |
| 607 | if (param == NULL) { |
| 608 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 609 | return RNDIS_STATUS_FAILURE; |
| 610 | } |
| 611 | |
| 612 | param->rm_namelen = htole32(namelen); |
| 613 | param->rm_valuelen = htole32(len); |
| 614 | param->rm_type = htole32(type); |
| 615 | if (namelen != 0) { |
| 616 | param->rm_nameoffset = htole32(20); |
| 617 | memcpy(param + 20, name, namelen); |
| 618 | } else |
| 619 | param->rm_nameoffset = 0; |
| 620 | if (len != 0) { |
| 621 | param->rm_valueoffset = htole32(20 + namelen); |
| 622 | memcpy(param + 20 + namelen, buf, len); |
| 623 | } else |
| 624 | param->rm_valueoffset = 0; |
| 625 | |
| 626 | DPRINTF(("%s: urndis_ctrl_set_param send: nameoffset %u namelen %u " |
| 627 | "type 0x%x valueoffset %u valuelen %u\n" , |
| 628 | DEVNAME(sc), |
| 629 | le32toh(param->rm_nameoffset), |
| 630 | le32toh(param->rm_namelen), |
| 631 | le32toh(param->rm_type), |
| 632 | le32toh(param->rm_valueoffset), |
| 633 | le32toh(param->rm_valuelen))); |
| 634 | |
| 635 | rval = urndis_ctrl_set(sc, OID_GEN_RNDIS_CONFIG_PARAMETER, param, tlen); |
| 636 | kmem_free(param, tlen); |
| 637 | if (rval != RNDIS_STATUS_SUCCESS) |
| 638 | printf("%s: set param failed 0x%x\n" , DEVNAME(sc), rval); |
| 639 | |
| 640 | return rval; |
| 641 | } |
| 642 | |
| 643 | /* XXX : adrreset, get it from response */ |
| 644 | static uint32_t |
| 645 | urndis_ctrl_reset(struct urndis_softc *sc) |
| 646 | { |
| 647 | struct urndis_reset_req *reset; |
| 648 | uint32_t rval; |
| 649 | struct urndis_comp_hdr *hdr; |
| 650 | |
| 651 | reset = kmem_alloc(sizeof(*reset), KM_SLEEP); |
| 652 | if (reset == NULL) { |
| 653 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 654 | return RNDIS_STATUS_FAILURE; |
| 655 | } |
| 656 | |
| 657 | reset->rm_type = htole32(REMOTE_NDIS_RESET_MSG); |
| 658 | reset->rm_len = htole32(sizeof(*reset)); |
| 659 | reset->rm_rid = 0; /* XXX rm_rid == reserved ... remove ? */ |
| 660 | |
| 661 | DPRINTF(("%s: urndis_ctrl_reset send: type %u len %u rid %u\n" , |
| 662 | DEVNAME(sc), |
| 663 | le32toh(reset->rm_type), |
| 664 | le32toh(reset->rm_len), |
| 665 | le32toh(reset->rm_rid))); |
| 666 | |
| 667 | rval = urndis_ctrl_send(sc, reset, sizeof(*reset)); |
| 668 | kmem_free(reset, sizeof(*reset)); |
| 669 | |
| 670 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 671 | printf("%s: reset failed\n" , DEVNAME(sc)); |
| 672 | return rval; |
| 673 | } |
| 674 | |
| 675 | if ((hdr = urndis_ctrl_recv(sc)) == NULL) { |
| 676 | printf("%s: unable to get reset response\n" , DEVNAME(sc)); |
| 677 | return RNDIS_STATUS_FAILURE; |
| 678 | } |
| 679 | rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); |
| 680 | |
| 681 | return rval; |
| 682 | } |
| 683 | |
| 684 | static uint32_t |
| 685 | urndis_ctrl_keepalive(struct urndis_softc *sc) |
| 686 | { |
| 687 | struct urndis_keepalive_req *keep; |
| 688 | uint32_t rval; |
| 689 | struct urndis_comp_hdr *hdr; |
| 690 | |
| 691 | keep = kmem_alloc(sizeof(*keep), KM_SLEEP); |
| 692 | if (keep == NULL) { |
| 693 | printf("%s: out of memory\n" , DEVNAME(sc)); |
| 694 | return RNDIS_STATUS_FAILURE; |
| 695 | } |
| 696 | |
| 697 | keep->rm_type = htole32(REMOTE_NDIS_KEEPALIVE_MSG); |
| 698 | keep->rm_len = htole32(sizeof(*keep)); |
| 699 | keep->rm_rid = 0; /* XXX rm_rid == reserved ... remove ? */ |
| 700 | |
| 701 | DPRINTF(("%s: urndis_ctrl_keepalive: type %u len %u rid %u\n" , |
| 702 | DEVNAME(sc), |
| 703 | le32toh(keep->rm_type), |
| 704 | le32toh(keep->rm_len), |
| 705 | le32toh(keep->rm_rid))); |
| 706 | |
| 707 | rval = urndis_ctrl_send(sc, keep, sizeof(*keep)); |
| 708 | kmem_free(keep, sizeof(*keep)); |
| 709 | |
| 710 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 711 | printf("%s: keepalive failed\n" , DEVNAME(sc)); |
| 712 | return rval; |
| 713 | } |
| 714 | |
| 715 | if ((hdr = urndis_ctrl_recv(sc)) == NULL) { |
| 716 | printf("%s: unable to get keepalive response\n" , DEVNAME(sc)); |
| 717 | return RNDIS_STATUS_FAILURE; |
| 718 | } |
| 719 | rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); |
| 720 | if (rval != RNDIS_STATUS_SUCCESS) { |
| 721 | printf("%s: keepalive failed 0x%x\n" , DEVNAME(sc), rval); |
| 722 | urndis_ctrl_reset(sc); |
| 723 | } |
| 724 | |
| 725 | return rval; |
| 726 | } |
| 727 | #endif |
| 728 | |
| 729 | static int |
| 730 | urndis_encap(struct urndis_softc *sc, struct mbuf *m, int idx) |
| 731 | { |
| 732 | struct urndis_chain *c; |
| 733 | usbd_status err; |
| 734 | struct urndis_packet_msg *msg; |
| 735 | |
| 736 | c = &sc->sc_data.sc_tx_chain[idx]; |
| 737 | |
| 738 | msg = (struct urndis_packet_msg *)c->sc_buf; |
| 739 | |
| 740 | memset(msg, 0, sizeof(*msg)); |
| 741 | msg->rm_type = htole32(REMOTE_NDIS_PACKET_MSG); |
| 742 | msg->rm_len = htole32(sizeof(*msg) + m->m_pkthdr.len); |
| 743 | |
| 744 | msg->rm_dataoffset = htole32(RNDIS_DATA_OFFSET); |
| 745 | msg->rm_datalen = htole32(m->m_pkthdr.len); |
| 746 | |
| 747 | m_copydata(m, 0, m->m_pkthdr.len, |
| 748 | ((char*)msg + RNDIS_DATA_OFFSET + RNDIS_HEADER_OFFSET)); |
| 749 | |
| 750 | DPRINTF(("%s: urndis_encap type 0x%x len %u data(off %u len %u)\n" , |
| 751 | DEVNAME(sc), |
| 752 | le32toh(msg->rm_type), |
| 753 | le32toh(msg->rm_len), |
| 754 | le32toh(msg->rm_dataoffset), |
| 755 | le32toh(msg->rm_datalen))); |
| 756 | |
| 757 | c->sc_mbuf = m; |
| 758 | |
| 759 | usbd_setup_xfer(c->sc_xfer, c, c->sc_buf, le32toh(msg->rm_len), |
| 760 | USBD_FORCE_SHORT_XFER, 10000, urndis_txeof); |
| 761 | |
| 762 | /* Transmit */ |
| 763 | err = usbd_transfer(c->sc_xfer); |
| 764 | if (err != USBD_IN_PROGRESS) { |
| 765 | urndis_stop(GET_IFP(sc)); |
| 766 | return(EIO); |
| 767 | } |
| 768 | |
| 769 | sc->sc_data.sc_tx_cnt++; |
| 770 | |
| 771 | return(0); |
| 772 | } |
| 773 | |
| 774 | static void |
| 775 | urndis_decap(struct urndis_softc *sc, struct urndis_chain *c, uint32_t len) |
| 776 | { |
| 777 | struct mbuf *m; |
| 778 | struct urndis_packet_msg *msg; |
| 779 | struct ifnet *ifp; |
| 780 | int s; |
| 781 | int offset; |
| 782 | |
| 783 | ifp = GET_IFP(sc); |
| 784 | offset = 0; |
| 785 | |
| 786 | while (len > 0) { |
| 787 | msg = (struct urndis_packet_msg *)((char*)c->sc_buf + offset); |
| 788 | m = c->sc_mbuf; |
| 789 | |
| 790 | DPRINTF(("%s: urndis_decap buffer size left %u\n" , DEVNAME(sc), |
| 791 | len)); |
| 792 | |
| 793 | if (len < sizeof(*msg)) { |
| 794 | printf("%s: urndis_decap invalid buffer len %u < " |
| 795 | "minimum header %zu\n" , |
| 796 | DEVNAME(sc), |
| 797 | len, |
| 798 | sizeof(*msg)); |
| 799 | return; |
| 800 | } |
| 801 | |
| 802 | DPRINTF(("%s: urndis_decap len %u data(off:%u len:%u) " |
| 803 | "oobdata(off:%u len:%u nb:%u) perpacket(off:%u len:%u)\n" , |
| 804 | DEVNAME(sc), |
| 805 | le32toh(msg->rm_len), |
| 806 | le32toh(msg->rm_dataoffset), |
| 807 | le32toh(msg->rm_datalen), |
| 808 | le32toh(msg->rm_oobdataoffset), |
| 809 | le32toh(msg->rm_oobdatalen), |
| 810 | le32toh(msg->rm_oobdataelements), |
| 811 | le32toh(msg->rm_pktinfooffset), |
| 812 | le32toh(msg->rm_pktinfooffset))); |
| 813 | |
| 814 | if (le32toh(msg->rm_type) != REMOTE_NDIS_PACKET_MSG) { |
| 815 | printf("%s: urndis_decap invalid type 0x%x != 0x%x\n" , |
| 816 | DEVNAME(sc), |
| 817 | le32toh(msg->rm_type), |
| 818 | REMOTE_NDIS_PACKET_MSG); |
| 819 | return; |
| 820 | } |
| 821 | if (le32toh(msg->rm_len) < sizeof(*msg)) { |
| 822 | printf("%s: urndis_decap invalid msg len %u < %zu\n" , |
| 823 | DEVNAME(sc), |
| 824 | le32toh(msg->rm_len), |
| 825 | sizeof(*msg)); |
| 826 | return; |
| 827 | } |
| 828 | if (le32toh(msg->rm_len) > len) { |
| 829 | printf("%s: urndis_decap invalid msg len %u > buffer " |
| 830 | "len %u\n" , |
| 831 | DEVNAME(sc), |
| 832 | le32toh(msg->rm_len), |
| 833 | len); |
| 834 | return; |
| 835 | } |
| 836 | |
| 837 | if (le32toh(msg->rm_dataoffset) + |
| 838 | le32toh(msg->rm_datalen) + RNDIS_HEADER_OFFSET |
| 839 | > le32toh(msg->rm_len)) { |
| 840 | printf("%s: urndis_decap invalid data " |
| 841 | "len/offset/end_position(%u/%u/%u) -> " |
| 842 | "go out of receive buffer limit %u\n" , |
| 843 | DEVNAME(sc), |
| 844 | le32toh(msg->rm_datalen), |
| 845 | le32toh(msg->rm_dataoffset), |
| 846 | le32toh(msg->rm_dataoffset) + |
| 847 | le32toh(msg->rm_datalen) + (uint32_t)RNDIS_HEADER_OFFSET, |
| 848 | le32toh(msg->rm_len)); |
| 849 | return; |
| 850 | } |
| 851 | |
| 852 | if (le32toh(msg->rm_datalen) < sizeof(struct ether_header)) { |
| 853 | ifp->if_ierrors++; |
| 854 | printf("%s: urndis_decap invalid ethernet size " |
| 855 | "%d < %zu\n" , |
| 856 | DEVNAME(sc), |
| 857 | le32toh(msg->rm_datalen), |
| 858 | sizeof(struct ether_header)); |
| 859 | return; |
| 860 | } |
| 861 | |
| 862 | memcpy(mtod(m, char*), |
| 863 | ((char*)&msg->rm_dataoffset + le32toh(msg->rm_dataoffset)), |
| 864 | le32toh(msg->rm_datalen)); |
| 865 | m->m_pkthdr.len = m->m_len = le32toh(msg->rm_datalen); |
| 866 | |
| 867 | ifp->if_ipackets++; |
| 868 | m_set_rcvif(m, ifp); |
| 869 | |
| 870 | s = splnet(); |
| 871 | |
| 872 | if (urndis_newbuf(sc, c) == ENOBUFS) { |
| 873 | ifp->if_ierrors++; |
| 874 | } else { |
| 875 | |
| 876 | bpf_mtap(ifp, m); |
| 877 | |
| 878 | if_percpuq_enqueue(ifp->if_percpuq, m); |
| 879 | } |
| 880 | splx(s); |
| 881 | |
| 882 | offset += le32toh(msg->rm_len); |
| 883 | len -= le32toh(msg->rm_len); |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | static int |
| 888 | urndis_newbuf(struct urndis_softc *sc, struct urndis_chain *c) |
| 889 | { |
| 890 | struct mbuf *m_new = NULL; |
| 891 | |
| 892 | MGETHDR(m_new, M_DONTWAIT, MT_DATA); |
| 893 | if (m_new == NULL) { |
| 894 | printf("%s: no memory for rx list -- packet dropped!\n" , |
| 895 | DEVNAME(sc)); |
| 896 | return ENOBUFS; |
| 897 | } |
| 898 | MCLGET(m_new, M_DONTWAIT); |
| 899 | if (!(m_new->m_flags & M_EXT)) { |
| 900 | printf("%s: no memory for rx list -- packet dropped!\n" , |
| 901 | DEVNAME(sc)); |
| 902 | m_freem(m_new); |
| 903 | return ENOBUFS; |
| 904 | } |
| 905 | m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; |
| 906 | |
| 907 | m_adj(m_new, ETHER_ALIGN); |
| 908 | c->sc_mbuf = m_new; |
| 909 | return 0; |
| 910 | } |
| 911 | |
| 912 | static int |
| 913 | urndis_rx_list_init(struct urndis_softc *sc) |
| 914 | { |
| 915 | struct urndis_cdata *cd; |
| 916 | struct urndis_chain *c; |
| 917 | int i; |
| 918 | |
| 919 | cd = &sc->sc_data; |
| 920 | for (i = 0; i < RNDIS_RX_LIST_CNT; i++) { |
| 921 | c = &cd->sc_rx_chain[i]; |
| 922 | c->sc_softc = sc; |
| 923 | c->sc_idx = i; |
| 924 | |
| 925 | if (urndis_newbuf(sc, c) == ENOBUFS) |
| 926 | return ENOBUFS; |
| 927 | |
| 928 | if (c->sc_xfer == NULL) { |
| 929 | int err = usbd_create_xfer(sc->sc_bulkin_pipe, |
| 930 | RNDIS_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->sc_xfer); |
| 931 | if (err) |
| 932 | return err; |
| 933 | c->sc_buf = usbd_get_buffer(c->sc_xfer); |
| 934 | } |
| 935 | } |
| 936 | |
| 937 | return 0; |
| 938 | } |
| 939 | |
| 940 | static int |
| 941 | urndis_tx_list_init(struct urndis_softc *sc) |
| 942 | { |
| 943 | struct urndis_cdata *cd; |
| 944 | struct urndis_chain *c; |
| 945 | int i; |
| 946 | |
| 947 | cd = &sc->sc_data; |
| 948 | for (i = 0; i < RNDIS_TX_LIST_CNT; i++) { |
| 949 | c = &cd->sc_tx_chain[i]; |
| 950 | c->sc_softc = sc; |
| 951 | c->sc_idx = i; |
| 952 | c->sc_mbuf = NULL; |
| 953 | if (c->sc_xfer == NULL) { |
| 954 | int err = usbd_create_xfer(sc->sc_bulkout_pipe, |
| 955 | RNDIS_BUFSZ, USBD_FORCE_SHORT_XFER, 0, &c->sc_xfer); |
| 956 | if (err) |
| 957 | return err; |
| 958 | c->sc_buf = usbd_get_buffer(c->sc_xfer); |
| 959 | } |
| 960 | } |
| 961 | return 0; |
| 962 | } |
| 963 | |
| 964 | static int |
| 965 | urndis_ioctl(struct ifnet *ifp, unsigned long command, void *data) |
| 966 | { |
| 967 | struct urndis_softc *sc; |
| 968 | int s, error; |
| 969 | |
| 970 | sc = ifp->if_softc; |
| 971 | error = 0; |
| 972 | |
| 973 | if (sc->sc_dying) |
| 974 | return EIO; |
| 975 | |
| 976 | s = splnet(); |
| 977 | |
| 978 | switch(command) { |
| 979 | case SIOCSIFFLAGS: |
| 980 | if ((error = ifioctl_common(ifp, command, data)) != 0) |
| 981 | break; |
| 982 | if (ifp->if_flags & IFF_UP) { |
| 983 | if (!(ifp->if_flags & IFF_RUNNING)) |
| 984 | urndis_init(ifp); |
| 985 | } else { |
| 986 | if (ifp->if_flags & IFF_RUNNING) |
| 987 | urndis_stop(ifp); |
| 988 | } |
| 989 | error = 0; |
| 990 | break; |
| 991 | |
| 992 | default: |
| 993 | error = ether_ioctl(ifp, command, data); |
| 994 | break; |
| 995 | } |
| 996 | |
| 997 | if (error == ENETRESET) |
| 998 | error = 0; |
| 999 | |
| 1000 | splx(s); |
| 1001 | return error; |
| 1002 | } |
| 1003 | |
| 1004 | #if 0 |
| 1005 | static void |
| 1006 | urndis_watchdog(struct ifnet *ifp) |
| 1007 | { |
| 1008 | struct urndis_softc *sc; |
| 1009 | |
| 1010 | sc = ifp->if_softc; |
| 1011 | |
| 1012 | if (sc->sc_dying) |
| 1013 | return; |
| 1014 | |
| 1015 | ifp->if_oerrors++; |
| 1016 | printf("%s: watchdog timeout\n" , DEVNAME(sc)); |
| 1017 | |
| 1018 | urndis_ctrl_keepalive(sc); |
| 1019 | } |
| 1020 | #endif |
| 1021 | |
| 1022 | static int |
| 1023 | urndis_init(struct ifnet *ifp) |
| 1024 | { |
| 1025 | struct urndis_softc *sc; |
| 1026 | int i, s; |
| 1027 | int err; |
| 1028 | usbd_status usberr; |
| 1029 | |
| 1030 | sc = ifp->if_softc; |
| 1031 | |
| 1032 | if (ifp->if_flags & IFF_RUNNING) |
| 1033 | return 0; |
| 1034 | |
| 1035 | err = urndis_ctrl_init(sc); |
| 1036 | if (err != RNDIS_STATUS_SUCCESS) |
| 1037 | return EIO; |
| 1038 | |
| 1039 | s = splnet(); |
| 1040 | |
| 1041 | usberr = usbd_open_pipe(sc->sc_iface_data, sc->sc_bulkin_no, |
| 1042 | USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe); |
| 1043 | if (usberr) { |
| 1044 | printf("%s: open rx pipe failed: %s\n" , DEVNAME(sc), |
| 1045 | usbd_errstr(err)); |
| 1046 | splx(s); |
| 1047 | return EIO; |
| 1048 | } |
| 1049 | |
| 1050 | usberr = usbd_open_pipe(sc->sc_iface_data, sc->sc_bulkout_no, |
| 1051 | USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe); |
| 1052 | if (usberr) { |
| 1053 | printf("%s: open tx pipe failed: %s\n" , DEVNAME(sc), |
| 1054 | usbd_errstr(err)); |
| 1055 | splx(s); |
| 1056 | return EIO; |
| 1057 | } |
| 1058 | |
| 1059 | err = urndis_tx_list_init(sc); |
| 1060 | if (err) { |
| 1061 | printf("%s: tx list init failed\n" , |
| 1062 | DEVNAME(sc)); |
| 1063 | splx(s); |
| 1064 | return err; |
| 1065 | } |
| 1066 | |
| 1067 | err = urndis_rx_list_init(sc); |
| 1068 | if (err) { |
| 1069 | printf("%s: rx list init failed\n" , |
| 1070 | DEVNAME(sc)); |
| 1071 | splx(s); |
| 1072 | return err; |
| 1073 | } |
| 1074 | |
| 1075 | for (i = 0; i < RNDIS_RX_LIST_CNT; i++) { |
| 1076 | struct urndis_chain *c; |
| 1077 | |
| 1078 | c = &sc->sc_data.sc_rx_chain[i]; |
| 1079 | |
| 1080 | usbd_setup_xfer(c->sc_xfer, c, c->sc_buf, RNDIS_BUFSZ, |
| 1081 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, urndis_rxeof); |
| 1082 | usbd_transfer(c->sc_xfer); |
| 1083 | } |
| 1084 | |
| 1085 | ifp->if_flags |= IFF_RUNNING; |
| 1086 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1087 | |
| 1088 | splx(s); |
| 1089 | return 0; |
| 1090 | } |
| 1091 | |
| 1092 | static void |
| 1093 | urndis_stop(struct ifnet *ifp) |
| 1094 | { |
| 1095 | struct urndis_softc *sc; |
| 1096 | usbd_status err; |
| 1097 | int i; |
| 1098 | |
| 1099 | sc = ifp->if_softc; |
| 1100 | |
| 1101 | ifp->if_timer = 0; |
| 1102 | ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); |
| 1103 | |
| 1104 | if (sc->sc_bulkin_pipe != NULL) { |
| 1105 | err = usbd_abort_pipe(sc->sc_bulkin_pipe); |
| 1106 | if (err) |
| 1107 | printf("%s: abort rx pipe failed: %s\n" , |
| 1108 | DEVNAME(sc), usbd_errstr(err)); |
| 1109 | } |
| 1110 | |
| 1111 | if (sc->sc_bulkout_pipe != NULL) { |
| 1112 | err = usbd_abort_pipe(sc->sc_bulkout_pipe); |
| 1113 | if (err) |
| 1114 | printf("%s: abort tx pipe failed: %s\n" , |
| 1115 | DEVNAME(sc), usbd_errstr(err)); |
| 1116 | } |
| 1117 | |
| 1118 | for (i = 0; i < RNDIS_RX_LIST_CNT; i++) { |
| 1119 | if (sc->sc_data.sc_rx_chain[i].sc_mbuf != NULL) { |
| 1120 | m_freem(sc->sc_data.sc_rx_chain[i].sc_mbuf); |
| 1121 | sc->sc_data.sc_rx_chain[i].sc_mbuf = NULL; |
| 1122 | } |
| 1123 | if (sc->sc_data.sc_rx_chain[i].sc_xfer != NULL) { |
| 1124 | usbd_destroy_xfer(sc->sc_data.sc_rx_chain[i].sc_xfer); |
| 1125 | sc->sc_data.sc_rx_chain[i].sc_xfer = NULL; |
| 1126 | } |
| 1127 | } |
| 1128 | |
| 1129 | for (i = 0; i < RNDIS_TX_LIST_CNT; i++) { |
| 1130 | if (sc->sc_data.sc_tx_chain[i].sc_mbuf != NULL) { |
| 1131 | m_freem(sc->sc_data.sc_tx_chain[i].sc_mbuf); |
| 1132 | sc->sc_data.sc_tx_chain[i].sc_mbuf = NULL; |
| 1133 | } |
| 1134 | if (sc->sc_data.sc_tx_chain[i].sc_xfer != NULL) { |
| 1135 | usbd_destroy_xfer(sc->sc_data.sc_tx_chain[i].sc_xfer); |
| 1136 | sc->sc_data.sc_tx_chain[i].sc_xfer = NULL; |
| 1137 | } |
| 1138 | } |
| 1139 | |
| 1140 | /* Close pipes. */ |
| 1141 | if (sc->sc_bulkin_pipe != NULL) { |
| 1142 | err = usbd_close_pipe(sc->sc_bulkin_pipe); |
| 1143 | if (err) |
| 1144 | printf("%s: close rx pipe failed: %s\n" , |
| 1145 | DEVNAME(sc), usbd_errstr(err)); |
| 1146 | sc->sc_bulkin_pipe = NULL; |
| 1147 | } |
| 1148 | |
| 1149 | if (sc->sc_bulkout_pipe != NULL) { |
| 1150 | err = usbd_close_pipe(sc->sc_bulkout_pipe); |
| 1151 | if (err) |
| 1152 | printf("%s: close tx pipe failed: %s\n" , |
| 1153 | DEVNAME(sc), usbd_errstr(err)); |
| 1154 | sc->sc_bulkout_pipe = NULL; |
| 1155 | } |
| 1156 | } |
| 1157 | |
| 1158 | static void |
| 1159 | urndis_start(struct ifnet *ifp) |
| 1160 | { |
| 1161 | struct urndis_softc *sc; |
| 1162 | struct mbuf *m_head = NULL; |
| 1163 | |
| 1164 | sc = ifp->if_softc; |
| 1165 | |
| 1166 | if (sc->sc_dying || (ifp->if_flags & IFF_OACTIVE)) |
| 1167 | return; |
| 1168 | |
| 1169 | IFQ_POLL(&ifp->if_snd, m_head); |
| 1170 | if (m_head == NULL) |
| 1171 | return; |
| 1172 | |
| 1173 | if (urndis_encap(sc, m_head, 0)) { |
| 1174 | ifp->if_flags |= IFF_OACTIVE; |
| 1175 | return; |
| 1176 | } |
| 1177 | IFQ_DEQUEUE(&ifp->if_snd, m_head); |
| 1178 | |
| 1179 | /* |
| 1180 | * If there's a BPF listener, bounce a copy of this frame |
| 1181 | * to him. |
| 1182 | */ |
| 1183 | bpf_mtap(ifp, m_head); |
| 1184 | |
| 1185 | ifp->if_flags |= IFF_OACTIVE; |
| 1186 | |
| 1187 | /* |
| 1188 | * Set a timeout in case the chip goes out to lunch. |
| 1189 | */ |
| 1190 | ifp->if_timer = 5; |
| 1191 | |
| 1192 | return; |
| 1193 | } |
| 1194 | |
| 1195 | static void |
| 1196 | urndis_rxeof(struct usbd_xfer *xfer, |
| 1197 | void *priv, |
| 1198 | usbd_status status) |
| 1199 | { |
| 1200 | struct urndis_chain *c; |
| 1201 | struct urndis_softc *sc; |
| 1202 | struct ifnet *ifp; |
| 1203 | uint32_t total_len; |
| 1204 | |
| 1205 | c = priv; |
| 1206 | sc = c->sc_softc; |
| 1207 | ifp = GET_IFP(sc); |
| 1208 | total_len = 0; |
| 1209 | |
| 1210 | if (sc->sc_dying || !(ifp->if_flags & IFF_RUNNING)) |
| 1211 | return; |
| 1212 | |
| 1213 | if (status != USBD_NORMAL_COMPLETION) { |
| 1214 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) |
| 1215 | return; |
| 1216 | if (usbd_ratecheck(&sc->sc_rx_notice)) { |
| 1217 | printf("%s: usb errors on rx: %s\n" , |
| 1218 | DEVNAME(sc), usbd_errstr(status)); |
| 1219 | } |
| 1220 | if (status == USBD_STALLED) |
| 1221 | usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe); |
| 1222 | |
| 1223 | goto done; |
| 1224 | } |
| 1225 | |
| 1226 | usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); |
| 1227 | urndis_decap(sc, c, total_len); |
| 1228 | |
| 1229 | done: |
| 1230 | /* Setup new transfer. */ |
| 1231 | usbd_setup_xfer(c->sc_xfer, c, c->sc_buf, RNDIS_BUFSZ, |
| 1232 | USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, urndis_rxeof); |
| 1233 | usbd_transfer(c->sc_xfer); |
| 1234 | } |
| 1235 | |
| 1236 | static void |
| 1237 | urndis_txeof(struct usbd_xfer *xfer, |
| 1238 | void *priv, |
| 1239 | usbd_status status) |
| 1240 | { |
| 1241 | struct urndis_chain *c; |
| 1242 | struct urndis_softc *sc; |
| 1243 | struct ifnet *ifp; |
| 1244 | usbd_status err; |
| 1245 | int s; |
| 1246 | |
| 1247 | c = priv; |
| 1248 | sc = c->sc_softc; |
| 1249 | ifp = GET_IFP(sc); |
| 1250 | |
| 1251 | DPRINTF(("%s: urndis_txeof\n" , DEVNAME(sc))); |
| 1252 | |
| 1253 | if (sc->sc_dying) |
| 1254 | return; |
| 1255 | |
| 1256 | s = splnet(); |
| 1257 | |
| 1258 | ifp->if_timer = 0; |
| 1259 | ifp->if_flags &= ~IFF_OACTIVE; |
| 1260 | |
| 1261 | if (status != USBD_NORMAL_COMPLETION) { |
| 1262 | if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { |
| 1263 | splx(s); |
| 1264 | return; |
| 1265 | } |
| 1266 | ifp->if_oerrors++; |
| 1267 | printf("%s: usb error on tx: %s\n" , DEVNAME(sc), |
| 1268 | usbd_errstr(status)); |
| 1269 | if (status == USBD_STALLED) |
| 1270 | usbd_clear_endpoint_stall_async(sc->sc_bulkout_pipe); |
| 1271 | splx(s); |
| 1272 | return; |
| 1273 | } |
| 1274 | |
| 1275 | usbd_get_xfer_status(c->sc_xfer, NULL, NULL, NULL, &err); |
| 1276 | |
| 1277 | if (c->sc_mbuf != NULL) { |
| 1278 | m_freem(c->sc_mbuf); |
| 1279 | c->sc_mbuf = NULL; |
| 1280 | } |
| 1281 | |
| 1282 | if (err) |
| 1283 | ifp->if_oerrors++; |
| 1284 | else |
| 1285 | ifp->if_opackets++; |
| 1286 | |
| 1287 | if (IFQ_IS_EMPTY(&ifp->if_snd) == 0) |
| 1288 | urndis_start(ifp); |
| 1289 | |
| 1290 | splx(s); |
| 1291 | } |
| 1292 | |
| 1293 | static int |
| 1294 | urndis_match(device_t parent, cfdata_t match, void *aux) |
| 1295 | { |
| 1296 | struct usbif_attach_arg *uiaa = aux; |
| 1297 | usb_interface_descriptor_t *id; |
| 1298 | |
| 1299 | if (!uiaa->uiaa_iface) |
| 1300 | return UMATCH_NONE; |
| 1301 | |
| 1302 | id = usbd_get_interface_descriptor(uiaa->uiaa_iface); |
| 1303 | if (id == NULL) |
| 1304 | return UMATCH_NONE; |
| 1305 | |
| 1306 | if (id->bInterfaceClass == UICLASS_WIRELESS && |
| 1307 | id->bInterfaceSubClass == UISUBCLASS_RF && |
| 1308 | id->bInterfaceProtocol == UIPROTO_RNDIS) |
| 1309 | return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; |
| 1310 | |
| 1311 | return usb_lookup(urndis_devs, uiaa->uiaa_vendor, uiaa->uiaa_product) != NULL ? |
| 1312 | UMATCH_VENDOR_PRODUCT : UMATCH_NONE; |
| 1313 | } |
| 1314 | |
| 1315 | static void |
| 1316 | urndis_attach(device_t parent, device_t self, void *aux) |
| 1317 | { |
| 1318 | struct urndis_softc *sc; |
| 1319 | struct usbif_attach_arg *uiaa; |
| 1320 | struct ifnet *ifp; |
| 1321 | usb_interface_descriptor_t *id; |
| 1322 | usb_endpoint_descriptor_t *ed; |
| 1323 | usb_config_descriptor_t *cd; |
| 1324 | const usb_cdc_union_descriptor_t *ud; |
| 1325 | const usb_cdc_header_descriptor_t *desc; |
| 1326 | usbd_desc_iter_t iter; |
| 1327 | int if_ctl, if_data; |
| 1328 | int i, j, altcnt; |
| 1329 | int s; |
| 1330 | u_char eaddr[ETHER_ADDR_LEN]; |
| 1331 | void *buf; |
| 1332 | size_t bufsz; |
| 1333 | uint32_t filter; |
| 1334 | char *devinfop; |
| 1335 | |
| 1336 | sc = device_private(self); |
| 1337 | uiaa = aux; |
| 1338 | sc->sc_dev = self; |
| 1339 | sc->sc_udev = uiaa->uiaa_device; |
| 1340 | |
| 1341 | aprint_naive("\n" ); |
| 1342 | aprint_normal("\n" ); |
| 1343 | |
| 1344 | devinfop = usbd_devinfo_alloc(uiaa->uiaa_device, 0); |
| 1345 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 1346 | usbd_devinfo_free(devinfop); |
| 1347 | |
| 1348 | sc->sc_iface_ctl = uiaa->uiaa_iface; |
| 1349 | id = usbd_get_interface_descriptor(sc->sc_iface_ctl); |
| 1350 | if_ctl = id->bInterfaceNumber; |
| 1351 | sc->sc_ifaceno_ctl = if_ctl; |
| 1352 | if_data = -1; |
| 1353 | |
| 1354 | usb_desc_iter_init(sc->sc_udev, &iter); |
| 1355 | while ((desc = (const void *)usb_desc_iter_next(&iter)) != NULL) { |
| 1356 | |
| 1357 | if (desc->bDescriptorType != UDESC_CS_INTERFACE) { |
| 1358 | continue; |
| 1359 | } |
| 1360 | switch (desc->bDescriptorSubtype) { |
| 1361 | case UDESCSUB_CDC_UNION: |
| 1362 | /* XXX bail out when found first? */ |
| 1363 | ud = (const usb_cdc_union_descriptor_t *)desc; |
| 1364 | if (if_data == -1) |
| 1365 | if_data = ud->bSlaveInterface[0]; |
| 1366 | break; |
| 1367 | } |
| 1368 | } |
| 1369 | |
| 1370 | if (if_data == -1) { |
| 1371 | DPRINTF(("urndis_attach: no union interface\n" )); |
| 1372 | sc->sc_iface_data = sc->sc_iface_ctl; |
| 1373 | } else { |
| 1374 | DPRINTF(("urndis_attach: union interface: ctl %u, data %u\n" , |
| 1375 | if_ctl, if_data)); |
| 1376 | for (i = 0; i < uiaa->uiaa_nifaces; i++) { |
| 1377 | if (uiaa->uiaa_ifaces[i] != NULL) { |
| 1378 | id = usbd_get_interface_descriptor( |
| 1379 | uiaa->uiaa_ifaces[i]); |
| 1380 | if (id != NULL && id->bInterfaceNumber == |
| 1381 | if_data) { |
| 1382 | sc->sc_iface_data = uiaa->uiaa_ifaces[i]; |
| 1383 | uiaa->uiaa_ifaces[i] = NULL; |
| 1384 | } |
| 1385 | } |
| 1386 | } |
| 1387 | } |
| 1388 | |
| 1389 | if (sc->sc_iface_data == NULL) { |
| 1390 | aprint_error("%s: no data interface\n" , DEVNAME(sc)); |
| 1391 | return; |
| 1392 | } |
| 1393 | |
| 1394 | id = usbd_get_interface_descriptor(sc->sc_iface_data); |
| 1395 | cd = usbd_get_config_descriptor(sc->sc_udev); |
| 1396 | altcnt = usbd_get_no_alts(cd, id->bInterfaceNumber); |
| 1397 | |
| 1398 | for (j = 0; j < altcnt; j++) { |
| 1399 | if (usbd_set_interface(sc->sc_iface_data, j)) { |
| 1400 | aprint_error("%s: interface alternate setting %u " |
| 1401 | "failed\n" , DEVNAME(sc), j); |
| 1402 | return; |
| 1403 | } |
| 1404 | /* Find endpoints. */ |
| 1405 | id = usbd_get_interface_descriptor(sc->sc_iface_data); |
| 1406 | sc->sc_bulkin_no = sc->sc_bulkout_no = -1; |
| 1407 | for (i = 0; i < id->bNumEndpoints; i++) { |
| 1408 | ed = usbd_interface2endpoint_descriptor( |
| 1409 | sc->sc_iface_data, i); |
| 1410 | if (!ed) { |
| 1411 | aprint_error("%s: no descriptor for bulk " |
| 1412 | "endpoint %u\n" , DEVNAME(sc), i); |
| 1413 | return; |
| 1414 | } |
| 1415 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 1416 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 1417 | sc->sc_bulkin_no = ed->bEndpointAddress; |
| 1418 | } |
| 1419 | else if ( |
| 1420 | UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
| 1421 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 1422 | sc->sc_bulkout_no = ed->bEndpointAddress; |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | if (sc->sc_bulkin_no != -1 && sc->sc_bulkout_no != -1) { |
| 1427 | DPRINTF(("%s: in=0x%x, out=0x%x\n" , |
| 1428 | DEVNAME(sc), |
| 1429 | sc->sc_bulkin_no, |
| 1430 | sc->sc_bulkout_no)); |
| 1431 | goto found; |
| 1432 | } |
| 1433 | } |
| 1434 | |
| 1435 | if (sc->sc_bulkin_no == -1) |
| 1436 | aprint_error("%s: could not find data bulk in\n" , DEVNAME(sc)); |
| 1437 | if (sc->sc_bulkout_no == -1 ) |
| 1438 | aprint_error("%s: could not find data bulk out\n" ,DEVNAME(sc)); |
| 1439 | return; |
| 1440 | |
| 1441 | found: |
| 1442 | |
| 1443 | ifp = GET_IFP(sc); |
| 1444 | ifp->if_softc = sc; |
| 1445 | ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; |
| 1446 | ifp->if_start = urndis_start; |
| 1447 | ifp->if_ioctl = urndis_ioctl; |
| 1448 | ifp->if_init = urndis_init; |
| 1449 | #if 0 |
| 1450 | ifp->if_watchdog = urndis_watchdog; |
| 1451 | #endif |
| 1452 | |
| 1453 | strlcpy(ifp->if_xname, DEVNAME(sc), IFNAMSIZ); |
| 1454 | |
| 1455 | IFQ_SET_READY(&ifp->if_snd); |
| 1456 | |
| 1457 | urndis_init(ifp); |
| 1458 | |
| 1459 | s = splnet(); |
| 1460 | |
| 1461 | if (urndis_ctrl_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0, |
| 1462 | &buf, &bufsz) != RNDIS_STATUS_SUCCESS) { |
| 1463 | aprint_error("%s: unable to get hardware address\n" , |
| 1464 | DEVNAME(sc)); |
| 1465 | urndis_stop(ifp); |
| 1466 | splx(s); |
| 1467 | return; |
| 1468 | } |
| 1469 | |
| 1470 | if (bufsz == ETHER_ADDR_LEN) { |
| 1471 | memcpy(eaddr, buf, ETHER_ADDR_LEN); |
| 1472 | aprint_normal("%s: address %s\n" , DEVNAME(sc), |
| 1473 | ether_sprintf(eaddr)); |
| 1474 | kmem_free(buf, bufsz); |
| 1475 | } else { |
| 1476 | aprint_error("%s: invalid address\n" , DEVNAME(sc)); |
| 1477 | kmem_free(buf, bufsz); |
| 1478 | urndis_stop(ifp); |
| 1479 | splx(s); |
| 1480 | return; |
| 1481 | } |
| 1482 | |
| 1483 | /* Initialize packet filter */ |
| 1484 | sc->sc_filter = RNDIS_PACKET_TYPE_BROADCAST; |
| 1485 | sc->sc_filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST; |
| 1486 | filter = htole32(sc->sc_filter); |
| 1487 | if (urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER, &filter, |
| 1488 | sizeof(filter)) != RNDIS_STATUS_SUCCESS) { |
| 1489 | aprint_error("%s: unable to set data filters\n" , DEVNAME(sc)); |
| 1490 | urndis_stop(ifp); |
| 1491 | splx(s); |
| 1492 | return; |
| 1493 | } |
| 1494 | |
| 1495 | if_attach(ifp); |
| 1496 | ether_ifattach(ifp, eaddr); |
| 1497 | sc->sc_attached = 1; |
| 1498 | |
| 1499 | splx(s); |
| 1500 | } |
| 1501 | |
| 1502 | static int |
| 1503 | urndis_detach(device_t self, int flags) |
| 1504 | { |
| 1505 | struct urndis_softc *sc; |
| 1506 | struct ifnet *ifp; |
| 1507 | int s; |
| 1508 | |
| 1509 | sc = device_private(self); |
| 1510 | |
| 1511 | DPRINTF(("urndis_detach: %s flags %u\n" , DEVNAME(sc), |
| 1512 | flags)); |
| 1513 | |
| 1514 | if (!sc->sc_attached) |
| 1515 | return 0; |
| 1516 | |
| 1517 | s = splusb(); |
| 1518 | |
| 1519 | ifp = GET_IFP(sc); |
| 1520 | |
| 1521 | if (ifp->if_softc != NULL) { |
| 1522 | ether_ifdetach(ifp); |
| 1523 | if_detach(ifp); |
| 1524 | } |
| 1525 | |
| 1526 | urndis_stop(ifp); |
| 1527 | sc->sc_attached = 0; |
| 1528 | |
| 1529 | splx(s); |
| 1530 | |
| 1531 | return 0; |
| 1532 | } |
| 1533 | |
| 1534 | static int |
| 1535 | urndis_activate(device_t self, enum devact act) |
| 1536 | { |
| 1537 | struct urndis_softc *sc; |
| 1538 | |
| 1539 | sc = device_private(self); |
| 1540 | |
| 1541 | switch (act) { |
| 1542 | case DVACT_DEACTIVATE: |
| 1543 | sc->sc_dying = 1; |
| 1544 | return 0; |
| 1545 | } |
| 1546 | |
| 1547 | return EOPNOTSUPP; |
| 1548 | } |
| 1549 | |
| 1550 | |