1 /* $OpenBSD: if_urndis.c,v 1.72 2020/07/31 10:49:33 mglocker Exp $ */ 2 3 /* 4 * Copyright (c) 2010 Jonathan Armani <armani@openbsd.org> 5 * Copyright (c) 2010 Fabien Romano <fabien@openbsd.org> 6 * Copyright (c) 2010 Michael Knudsen <mk@openbsd.org> 7 * All rights reserved. 8 * 9 * Permission to use, copy, modify, and distribute this software for any 10 * purpose with or without fee is hereby granted, provided that the above 11 * copyright notice and this permission notice appear in all copies. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 14 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 15 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 16 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 17 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 18 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 19 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 20 */ 21 22 #include "bpfilter.h" 23 24 #include <sys/param.h> 25 #include <sys/systm.h> 26 #include <sys/sockio.h> 27 #include <sys/rwlock.h> 28 #include <sys/mbuf.h> 29 #include <sys/kernel.h> 30 #include <sys/socket.h> 31 32 #include <sys/device.h> 33 34 #include <machine/bus.h> 35 36 #include <net/if.h> 37 #include <net/if_media.h> 38 39 #if NBPFILTER > 0 40 #include <net/bpf.h> 41 #endif 42 43 #include <netinet/in.h> 44 #include <netinet/if_ether.h> 45 46 #include <dev/usb/usb.h> 47 #include <dev/usb/usbdi.h> 48 #include <dev/usb/usbdi_util.h> 49 #include <dev/usb/usbdivar.h> 50 #include <dev/usb/usbdevs.h> 51 52 #include <dev/rndis.h> 53 54 #include <dev/usb/if_urndisreg.h> 55 56 #ifdef URNDIS_DEBUG 57 #define DPRINTF(x) do { printf x; } while (0) 58 #else 59 #define DPRINTF(x) 60 #endif 61 62 #define DEVNAME(sc) ((sc)->sc_dev.dv_xname) 63 64 int urndis_newbuf(struct urndis_softc *, struct urndis_chain *); 65 66 int urndis_ioctl(struct ifnet *, u_long, caddr_t); 67 #if 0 68 void urndis_watchdog(struct ifnet *); 69 #endif 70 71 void urndis_start(struct ifnet *); 72 void urndis_rxeof(struct usbd_xfer *, void *, usbd_status); 73 void urndis_txeof(struct usbd_xfer *, void *, usbd_status); 74 int urndis_rx_list_init(struct urndis_softc *); 75 int urndis_tx_list_init(struct urndis_softc *); 76 77 void urndis_init(struct urndis_softc *); 78 void urndis_stop(struct urndis_softc *); 79 80 usbd_status urndis_ctrl_msg(struct urndis_softc *, uint8_t, uint8_t, 81 uint16_t, uint16_t, void *, size_t); 82 usbd_status urndis_ctrl_send(struct urndis_softc *, void *, size_t); 83 struct rndis_comp_hdr *urndis_ctrl_recv(struct urndis_softc *); 84 85 u_int32_t urndis_ctrl_handle(struct urndis_softc *, 86 struct rndis_comp_hdr *, void **, size_t *); 87 u_int32_t urndis_ctrl_handle_init(struct urndis_softc *, 88 const struct rndis_comp_hdr *); 89 u_int32_t urndis_ctrl_handle_query(struct urndis_softc *, 90 const struct rndis_comp_hdr *, void **, size_t *); 91 u_int32_t urndis_ctrl_handle_reset(struct urndis_softc *, 92 const struct rndis_comp_hdr *); 93 u_int32_t urndis_ctrl_handle_status(struct urndis_softc *, 94 const struct rndis_comp_hdr *); 95 96 u_int32_t urndis_ctrl_init(struct urndis_softc *); 97 u_int32_t urndis_ctrl_halt(struct urndis_softc *); 98 u_int32_t urndis_ctrl_query(struct urndis_softc *, u_int32_t, void *, size_t, 99 void **, size_t *); 100 u_int32_t urndis_ctrl_set(struct urndis_softc *, u_int32_t, void *, size_t); 101 u_int32_t urndis_ctrl_set_param(struct urndis_softc *, const char *, u_int32_t, 102 void *, size_t); 103 #if 0 104 u_int32_t urndis_ctrl_reset(struct urndis_softc *); 105 u_int32_t urndis_ctrl_keepalive(struct urndis_softc *); 106 #endif 107 108 int urndis_encap(struct urndis_softc *, struct mbuf *, int); 109 void urndis_decap(struct urndis_softc *, struct urndis_chain *, u_int32_t); 110 111 const struct urndis_class *urndis_lookup(usb_interface_descriptor_t *); 112 113 int urndis_match(struct device *, void *, void *); 114 void urndis_attach(struct device *, struct device *, void *); 115 int urndis_detach(struct device *, int); 116 117 struct cfdriver urndis_cd = { 118 NULL, "urndis", DV_IFNET 119 }; 120 121 struct cfattach urndis_ca = { 122 sizeof(struct urndis_softc), urndis_match, urndis_attach, urndis_detach 123 }; 124 125 const struct urndis_class { 126 u_int8_t class; 127 u_int8_t subclass; 128 u_int8_t protocol; 129 const char *typestr; 130 } urndis_class[] = { 131 { UICLASS_CDC, UISUBCLASS_ABSTRACT_CONTROL_MODEL, 0xff, "Vendor" }, 132 { UICLASS_WIRELESS, UISUBCLASS_RF, UIPROTO_RNDIS, "RNDIS" }, 133 { UICLASS_MISC, UISUBCLASS_SYNC, UIPROTO_ACTIVESYNC, "Activesync" } 134 }; 135 136 usbd_status 137 urndis_ctrl_msg(struct urndis_softc *sc, uint8_t rt, uint8_t r, 138 uint16_t index, uint16_t value, void *buf, size_t buflen) 139 { 140 usb_device_request_t req; 141 142 req.bmRequestType = rt; 143 req.bRequest = r; 144 USETW(req.wValue, value); 145 USETW(req.wIndex, index); 146 USETW(req.wLength, buflen); 147 148 return usbd_do_request(sc->sc_udev, &req, buf); 149 } 150 151 usbd_status 152 urndis_ctrl_send(struct urndis_softc *sc, void *buf, size_t len) 153 { 154 usbd_status err; 155 156 if (usbd_is_dying(sc->sc_udev)) 157 return(0); 158 159 err = urndis_ctrl_msg(sc, UT_WRITE_CLASS_INTERFACE, UR_GET_STATUS, 160 sc->sc_ifaceno_ctl, 0, buf, len); 161 162 if (err != USBD_NORMAL_COMPLETION) 163 printf("%s: %s\n", DEVNAME(sc), usbd_errstr(err)); 164 165 return err; 166 } 167 168 struct rndis_comp_hdr * 169 urndis_ctrl_recv(struct urndis_softc *sc) 170 { 171 #define RNDIS_RESPONSE_LEN 0x400 172 struct rndis_comp_hdr *hdr; 173 char *buf; 174 usbd_status err; 175 176 buf = malloc(RNDIS_RESPONSE_LEN, M_TEMP, M_WAITOK | M_CANFAIL); 177 if (buf == NULL) { 178 printf("%s: out of memory\n", DEVNAME(sc)); 179 return NULL; 180 } 181 182 err = urndis_ctrl_msg(sc, UT_READ_CLASS_INTERFACE, UR_CLEAR_FEATURE, 183 sc->sc_ifaceno_ctl, 0, buf, RNDIS_RESPONSE_LEN); 184 185 if (err != USBD_NORMAL_COMPLETION && err != USBD_SHORT_XFER) { 186 printf("%s: %s\n", DEVNAME(sc), usbd_errstr(err)); 187 free(buf, M_TEMP, RNDIS_RESPONSE_LEN); 188 return NULL; 189 } 190 191 hdr = (struct rndis_comp_hdr *)buf; 192 DPRINTF(("%s: urndis_ctrl_recv: type 0x%x len %u\n", 193 DEVNAME(sc), 194 letoh32(hdr->rm_type), 195 letoh32(hdr->rm_len))); 196 197 if (letoh32(hdr->rm_len) > RNDIS_RESPONSE_LEN) { 198 printf("%s: ctrl message error: wrong size %u > %u\n", 199 DEVNAME(sc), 200 letoh32(hdr->rm_len), 201 RNDIS_RESPONSE_LEN); 202 free(buf, M_TEMP, RNDIS_RESPONSE_LEN); 203 return NULL; 204 } 205 206 return hdr; 207 } 208 209 u_int32_t 210 urndis_ctrl_handle(struct urndis_softc *sc, struct rndis_comp_hdr *hdr, 211 void **buf, size_t *bufsz) 212 { 213 u_int32_t rval; 214 215 DPRINTF(("%s: urndis_ctrl_handle\n", DEVNAME(sc))); 216 217 if (buf && bufsz) { 218 *buf = NULL; 219 *bufsz = 0; 220 } 221 222 switch (letoh32(hdr->rm_type)) { 223 case REMOTE_NDIS_INITIALIZE_CMPLT: 224 rval = urndis_ctrl_handle_init(sc, hdr); 225 break; 226 227 case REMOTE_NDIS_QUERY_CMPLT: 228 rval = urndis_ctrl_handle_query(sc, hdr, buf, bufsz); 229 break; 230 231 case REMOTE_NDIS_RESET_CMPLT: 232 rval = urndis_ctrl_handle_reset(sc, hdr); 233 break; 234 235 case REMOTE_NDIS_KEEPALIVE_CMPLT: 236 case REMOTE_NDIS_SET_CMPLT: 237 rval = letoh32(hdr->rm_status); 238 break; 239 240 case REMOTE_NDIS_INDICATE_STATUS_MSG: 241 rval = urndis_ctrl_handle_status(sc, hdr); 242 break; 243 244 default: 245 printf("%s: ctrl message error: unknown event 0x%x\n", 246 DEVNAME(sc), letoh32(hdr->rm_type)); 247 rval = RNDIS_STATUS_FAILURE; 248 } 249 250 free(hdr, M_TEMP, RNDIS_RESPONSE_LEN); 251 252 return rval; 253 } 254 255 u_int32_t 256 urndis_ctrl_handle_init(struct urndis_softc *sc, 257 const struct rndis_comp_hdr *hdr) 258 { 259 const struct rndis_init_comp *msg; 260 261 msg = (struct rndis_init_comp *) hdr; 262 263 DPRINTF(("%s: urndis_ctrl_handle_init: len %u rid %u status 0x%x " 264 "ver_major %u ver_minor %u devflags 0x%x medium 0x%x pktmaxcnt %u " 265 "pktmaxsz %u align %u aflistoffset %u aflistsz %u\n", 266 DEVNAME(sc), 267 letoh32(msg->rm_len), 268 letoh32(msg->rm_rid), 269 letoh32(msg->rm_status), 270 letoh32(msg->rm_ver_major), 271 letoh32(msg->rm_ver_minor), 272 letoh32(msg->rm_devflags), 273 letoh32(msg->rm_medium), 274 letoh32(msg->rm_pktmaxcnt), 275 letoh32(msg->rm_pktmaxsz), 276 letoh32(msg->rm_align), 277 letoh32(msg->rm_aflistoffset), 278 letoh32(msg->rm_aflistsz))); 279 280 if (letoh32(msg->rm_status) != RNDIS_STATUS_SUCCESS) { 281 printf("%s: init failed 0x%x\n", 282 DEVNAME(sc), 283 letoh32(msg->rm_status)); 284 285 return letoh32(msg->rm_status); 286 } 287 288 if (letoh32(msg->rm_devflags) != RNDIS_DF_CONNECTIONLESS) { 289 printf("%s: wrong device type (current type: 0x%x)\n", 290 DEVNAME(sc), 291 letoh32(msg->rm_devflags)); 292 293 return RNDIS_STATUS_FAILURE; 294 } 295 296 if (letoh32(msg->rm_medium) != RNDIS_MEDIUM_802_3) { 297 printf("%s: medium not 802.3 (current medium: 0x%x)\n", 298 DEVNAME(sc), letoh32(msg->rm_medium)); 299 300 return RNDIS_STATUS_FAILURE; 301 } 302 303 sc->sc_lim_pktsz = letoh32(msg->rm_pktmaxsz); 304 305 return letoh32(msg->rm_status); 306 } 307 308 u_int32_t 309 urndis_ctrl_handle_query(struct urndis_softc *sc, 310 const struct rndis_comp_hdr *hdr, void **buf, size_t *bufsz) 311 { 312 const struct rndis_query_comp *msg; 313 314 msg = (struct rndis_query_comp *) hdr; 315 316 DPRINTF(("%s: urndis_ctrl_handle_query: len %u rid %u status 0x%x " 317 "buflen %u bufoff %u\n", 318 DEVNAME(sc), 319 letoh32(msg->rm_len), 320 letoh32(msg->rm_rid), 321 letoh32(msg->rm_status), 322 letoh32(msg->rm_infobuflen), 323 letoh32(msg->rm_infobufoffset))); 324 325 if (buf && bufsz) { 326 *buf = NULL; 327 *bufsz = 0; 328 } 329 330 if (letoh32(msg->rm_status) != RNDIS_STATUS_SUCCESS) { 331 printf("%s: query failed 0x%x\n", 332 DEVNAME(sc), 333 letoh32(msg->rm_status)); 334 335 return letoh32(msg->rm_status); 336 } 337 338 if (letoh32(msg->rm_infobuflen) + letoh32(msg->rm_infobufoffset) + 339 RNDIS_HEADER_OFFSET > letoh32(msg->rm_len)) { 340 printf("%s: ctrl message error: invalid query info " 341 "len/offset/end_position(%u/%u/%zu) -> " 342 "go out of buffer limit %u\n", 343 DEVNAME(sc), 344 letoh32(msg->rm_infobuflen), 345 letoh32(msg->rm_infobufoffset), 346 letoh32(msg->rm_infobuflen) + 347 letoh32(msg->rm_infobufoffset) + RNDIS_HEADER_OFFSET, 348 letoh32(msg->rm_len)); 349 return RNDIS_STATUS_FAILURE; 350 } 351 352 if (buf && bufsz) { 353 *buf = malloc(letoh32(msg->rm_infobuflen), 354 M_TEMP, M_WAITOK | M_CANFAIL); 355 if (*buf == NULL) { 356 printf("%s: out of memory\n", DEVNAME(sc)); 357 return RNDIS_STATUS_FAILURE; 358 } else { 359 char *p; 360 *bufsz = letoh32(msg->rm_infobuflen); 361 362 p = (char *)&msg->rm_rid; 363 p += letoh32(msg->rm_infobufoffset); 364 memcpy(*buf, p, letoh32(msg->rm_infobuflen)); 365 } 366 } 367 368 return letoh32(msg->rm_status); 369 } 370 371 u_int32_t 372 urndis_ctrl_handle_reset(struct urndis_softc *sc, 373 const struct rndis_comp_hdr *hdr) 374 { 375 const struct rndis_reset_comp *msg; 376 u_int32_t rval; 377 378 msg = (struct rndis_reset_comp *) hdr; 379 380 rval = letoh32(msg->rm_status); 381 382 DPRINTF(("%s: urndis_ctrl_handle_reset: len %u status 0x%x " 383 "adrreset %u\n", 384 DEVNAME(sc), 385 letoh32(msg->rm_len), 386 rval, 387 letoh32(msg->rm_adrreset))); 388 389 if (rval != RNDIS_STATUS_SUCCESS) { 390 printf("%s: reset failed 0x%x\n", DEVNAME(sc), rval); 391 return rval; 392 } 393 394 if (letoh32(msg->rm_adrreset) != 0) { 395 u_int32_t filter; 396 397 filter = htole32(sc->sc_filter); 398 rval = urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER, 399 &filter, sizeof(filter)); 400 if (rval != RNDIS_STATUS_SUCCESS) { 401 printf("%s: unable to reset data filters\n", 402 DEVNAME(sc)); 403 return rval; 404 } 405 } 406 407 return rval; 408 } 409 410 u_int32_t 411 urndis_ctrl_handle_status(struct urndis_softc *sc, 412 const struct rndis_comp_hdr *hdr) 413 { 414 const struct rndis_status_msg *msg; 415 u_int32_t rval; 416 417 msg = (struct rndis_status_msg *)hdr; 418 419 rval = letoh32(msg->rm_status); 420 421 DPRINTF(("%s: urndis_ctrl_handle_status: len %u status 0x%x " 422 "stbuflen %u\n", 423 DEVNAME(sc), 424 letoh32(msg->rm_len), 425 rval, 426 letoh32(msg->rm_stbuflen))); 427 428 switch (rval) { 429 case RNDIS_STATUS_MEDIA_CONNECT: 430 case RNDIS_STATUS_MEDIA_DISCONNECT: 431 case RNDIS_STATUS_OFFLOAD_CURRENT_CONFIG: 432 rval = RNDIS_STATUS_SUCCESS; 433 break; 434 435 default: 436 printf("%s: status 0x%x\n", DEVNAME(sc), rval); 437 } 438 439 return rval; 440 } 441 442 u_int32_t 443 urndis_ctrl_init(struct urndis_softc *sc) 444 { 445 struct rndis_init_req *msg; 446 u_int32_t rval; 447 struct rndis_comp_hdr *hdr; 448 449 msg = malloc(sizeof(*msg), M_TEMP, M_WAITOK | M_CANFAIL); 450 if (msg == NULL) { 451 printf("%s: out of memory\n", DEVNAME(sc)); 452 return RNDIS_STATUS_FAILURE; 453 } 454 455 msg->rm_type = htole32(REMOTE_NDIS_INITIALIZE_MSG); 456 msg->rm_len = htole32(sizeof(*msg)); 457 msg->rm_rid = htole32(0); 458 msg->rm_ver_major = htole32(1); 459 msg->rm_ver_minor = htole32(1); 460 msg->rm_max_xfersz = htole32(RNDIS_BUFSZ); 461 462 DPRINTF(("%s: urndis_ctrl_init send: type %u len %u rid %u ver_major %u " 463 "ver_minor %u max_xfersz %u\n", 464 DEVNAME(sc), 465 letoh32(msg->rm_type), 466 letoh32(msg->rm_len), 467 letoh32(msg->rm_rid), 468 letoh32(msg->rm_ver_major), 469 letoh32(msg->rm_ver_minor), 470 letoh32(msg->rm_max_xfersz))); 471 472 rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); 473 free(msg, M_TEMP, sizeof *msg); 474 475 if (rval != RNDIS_STATUS_SUCCESS) { 476 printf("%s: init failed\n", DEVNAME(sc)); 477 return rval; 478 } 479 480 if ((hdr = urndis_ctrl_recv(sc)) == NULL) { 481 printf("%s: unable to get init response\n", DEVNAME(sc)); 482 return RNDIS_STATUS_FAILURE; 483 } 484 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); 485 486 return rval; 487 } 488 489 u_int32_t 490 urndis_ctrl_halt(struct urndis_softc *sc) 491 { 492 struct rndis_halt_req *msg; 493 u_int32_t rval; 494 495 msg = malloc(sizeof(*msg), M_TEMP, M_WAITOK | M_CANFAIL); 496 if (msg == NULL) { 497 printf("%s: out of memory\n", DEVNAME(sc)); 498 return RNDIS_STATUS_FAILURE; 499 } 500 501 msg->rm_type = htole32(REMOTE_NDIS_HALT_MSG); 502 msg->rm_len = htole32(sizeof(*msg)); 503 msg->rm_rid = 0; 504 505 DPRINTF(("%s: urndis_ctrl_halt send: type %u len %u rid %u\n", 506 DEVNAME(sc), 507 letoh32(msg->rm_type), 508 letoh32(msg->rm_len), 509 letoh32(msg->rm_rid))); 510 511 rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); 512 free(msg, M_TEMP, sizeof *msg); 513 514 if (rval != RNDIS_STATUS_SUCCESS) 515 printf("%s: halt failed\n", DEVNAME(sc)); 516 517 return rval; 518 } 519 520 u_int32_t 521 urndis_ctrl_query(struct urndis_softc *sc, u_int32_t oid, 522 void *qbuf, size_t qlen, 523 void **rbuf, size_t *rbufsz) 524 { 525 struct rndis_query_req *msg; 526 u_int32_t rval; 527 struct rndis_comp_hdr *hdr; 528 529 msg = malloc(sizeof(*msg) + qlen, M_TEMP, M_WAITOK | M_CANFAIL); 530 if (msg == NULL) { 531 printf("%s: out of memory\n", DEVNAME(sc)); 532 return RNDIS_STATUS_FAILURE; 533 } 534 535 msg->rm_type = htole32(REMOTE_NDIS_QUERY_MSG); 536 msg->rm_len = htole32(sizeof(*msg) + qlen); 537 msg->rm_rid = 0; /* XXX */ 538 msg->rm_oid = htole32(oid); 539 msg->rm_infobuflen = htole32(qlen); 540 if (qlen != 0) { 541 msg->rm_infobufoffset = htole32(20); 542 memcpy((char*)msg + 20, qbuf, qlen); 543 } else 544 msg->rm_infobufoffset = 0; 545 msg->rm_devicevchdl = 0; 546 547 DPRINTF(("%s: urndis_ctrl_query send: type %u len %u rid %u oid 0x%x " 548 "infobuflen %u infobufoffset %u devicevchdl %u\n", 549 DEVNAME(sc), 550 letoh32(msg->rm_type), 551 letoh32(msg->rm_len), 552 letoh32(msg->rm_rid), 553 letoh32(msg->rm_oid), 554 letoh32(msg->rm_infobuflen), 555 letoh32(msg->rm_infobufoffset), 556 letoh32(msg->rm_devicevchdl))); 557 558 rval = urndis_ctrl_send(sc, msg, sizeof(*msg)); 559 free(msg, M_TEMP, sizeof *msg + qlen); 560 561 if (rval != RNDIS_STATUS_SUCCESS) { 562 printf("%s: query failed\n", DEVNAME(sc)); 563 return rval; 564 } 565 566 if ((hdr = urndis_ctrl_recv(sc)) == NULL) { 567 printf("%s: unable to get query response\n", DEVNAME(sc)); 568 return RNDIS_STATUS_FAILURE; 569 } 570 rval = urndis_ctrl_handle(sc, hdr, rbuf, rbufsz); 571 572 return rval; 573 } 574 575 u_int32_t 576 urndis_ctrl_set(struct urndis_softc *sc, u_int32_t oid, void *buf, size_t len) 577 { 578 struct rndis_set_req *msg; 579 u_int32_t rval; 580 struct rndis_comp_hdr *hdr; 581 582 msg = malloc(sizeof(*msg) + len, M_TEMP, M_WAITOK | M_CANFAIL); 583 if (msg == NULL) { 584 printf("%s: out of memory\n", DEVNAME(sc)); 585 return RNDIS_STATUS_FAILURE; 586 } 587 588 msg->rm_type = htole32(REMOTE_NDIS_SET_MSG); 589 msg->rm_len = htole32(sizeof(*msg) + len); 590 msg->rm_rid = 0; /* XXX */ 591 msg->rm_oid = htole32(oid); 592 msg->rm_infobuflen = htole32(len); 593 if (len != 0) { 594 msg->rm_infobufoffset = htole32(20); 595 memcpy((char*)msg + 28, buf, len); 596 } else 597 msg->rm_infobufoffset = 0; 598 msg->rm_devicevchdl = 0; 599 600 DPRINTF(("%s: urndis_ctrl_set send: type %u len %u rid %u oid 0x%x " 601 "infobuflen %u infobufoffset %u devicevchdl %u\n", 602 DEVNAME(sc), 603 letoh32(msg->rm_type), 604 letoh32(msg->rm_len), 605 letoh32(msg->rm_rid), 606 letoh32(msg->rm_oid), 607 letoh32(msg->rm_infobuflen), 608 letoh32(msg->rm_infobufoffset), 609 letoh32(msg->rm_devicevchdl))); 610 611 rval = urndis_ctrl_send(sc, msg, sizeof(*msg) + len); 612 free(msg, M_TEMP, sizeof *msg + len); 613 614 if (rval != RNDIS_STATUS_SUCCESS) { 615 printf("%s: set failed\n", DEVNAME(sc)); 616 return rval; 617 } 618 619 if ((hdr = urndis_ctrl_recv(sc)) == NULL) { 620 printf("%s: unable to get set response\n", DEVNAME(sc)); 621 return RNDIS_STATUS_FAILURE; 622 } 623 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); 624 if (rval != RNDIS_STATUS_SUCCESS) 625 printf("%s: set failed 0x%x\n", DEVNAME(sc), rval); 626 627 return rval; 628 } 629 630 u_int32_t 631 urndis_ctrl_set_param(struct urndis_softc *sc, 632 const char *name, 633 u_int32_t type, 634 void *buf, 635 size_t len) 636 { 637 struct rndis_set_parameter *param; 638 u_int32_t rval; 639 size_t namelen, tlen; 640 641 if (name) 642 namelen = strlen(name); 643 else 644 namelen = 0; 645 tlen = sizeof(*param) + len + namelen; 646 param = malloc(tlen, M_TEMP, M_WAITOK | M_CANFAIL); 647 if (param == NULL) { 648 printf("%s: out of memory\n", DEVNAME(sc)); 649 return RNDIS_STATUS_FAILURE; 650 } 651 652 param->rm_namelen = htole32(namelen); 653 param->rm_valuelen = htole32(len); 654 param->rm_type = htole32(type); 655 if (namelen != 0) { 656 param->rm_nameoffset = htole32(20); 657 memcpy(param + 20, name, namelen); 658 } else 659 param->rm_nameoffset = 0; 660 if (len != 0) { 661 param->rm_valueoffset = htole32(20 + namelen); 662 memcpy(param + 20 + namelen, buf, len); 663 } else 664 param->rm_valueoffset = 0; 665 666 DPRINTF(("%s: urndis_ctrl_set_param send: nameoffset %u namelen %u " 667 "type 0x%x valueoffset %u valuelen %u\n", 668 DEVNAME(sc), 669 letoh32(param->rm_nameoffset), 670 letoh32(param->rm_namelen), 671 letoh32(param->rm_type), 672 letoh32(param->rm_valueoffset), 673 letoh32(param->rm_valuelen))); 674 675 rval = urndis_ctrl_set(sc, OID_GEN_RNDIS_CONFIG_PARAMETER, param, tlen); 676 free(param, M_TEMP, tlen); 677 if (rval != RNDIS_STATUS_SUCCESS) 678 printf("%s: set param failed 0x%x\n", DEVNAME(sc), rval); 679 680 return rval; 681 } 682 683 #if 0 684 /* XXX : adrreset, get it from response */ 685 u_int32_t 686 urndis_ctrl_reset(struct urndis_softc *sc) 687 { 688 struct rndis_reset_req *reset; 689 u_int32_t rval; 690 struct rndis_comp_hdr *hdr; 691 692 reset = malloc(sizeof(*reset), M_TEMP, M_WAITOK | M_CANFAIL); 693 if (reset == NULL) { 694 printf("%s: out of memory\n", DEVNAME(sc)); 695 return RNDIS_STATUS_FAILURE; 696 } 697 698 reset->rm_type = htole32(REMOTE_NDIS_RESET_MSG); 699 reset->rm_len = htole32(sizeof(*reset)); 700 reset->rm_rid = 0; /* XXX rm_rid == reserved ... remove ? */ 701 702 DPRINTF(("%s: urndis_ctrl_reset send: type %u len %u rid %u\n", 703 DEVNAME(sc), 704 letoh32(reset->rm_type), 705 letoh32(reset->rm_len), 706 letoh32(reset->rm_rid))); 707 708 rval = urndis_ctrl_send(sc, reset, sizeof(*reset)); 709 free(reset, M_TEMP, sizeof *reset); 710 711 if (rval != RNDIS_STATUS_SUCCESS) { 712 printf("%s: reset failed\n", DEVNAME(sc)); 713 return rval; 714 } 715 716 if ((hdr = urndis_ctrl_recv(sc)) == NULL) { 717 printf("%s: unable to get reset response\n", DEVNAME(sc)); 718 return RNDIS_STATUS_FAILURE; 719 } 720 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); 721 722 return rval; 723 } 724 725 u_int32_t 726 urndis_ctrl_keepalive(struct urndis_softc *sc) 727 { 728 struct rndis_keepalive_req *keep; 729 u_int32_t rval; 730 struct rndis_comp_hdr *hdr; 731 732 keep = malloc(sizeof(*keep), M_TEMP, M_WAITOK | M_CANFAIL); 733 if (keep == NULL) { 734 printf("%s: out of memory\n", DEVNAME(sc)); 735 return RNDIS_STATUS_FAILURE; 736 } 737 738 keep->rm_type = htole32(REMOTE_NDIS_KEEPALIVE_MSG); 739 keep->rm_len = htole32(sizeof(*keep)); 740 keep->rm_rid = 0; /* XXX rm_rid == reserved ... remove ? */ 741 742 DPRINTF(("%s: urndis_ctrl_keepalive: type %u len %u rid %u\n", 743 DEVNAME(sc), 744 letoh32(keep->rm_type), 745 letoh32(keep->rm_len), 746 letoh32(keep->rm_rid))); 747 748 rval = urndis_ctrl_send(sc, keep, sizeof(*keep)); 749 free(keep, M_TEMP, sizeof *keep); 750 751 if (rval != RNDIS_STATUS_SUCCESS) { 752 printf("%s: keepalive failed\n", DEVNAME(sc)); 753 return rval; 754 } 755 756 if ((hdr = urndis_ctrl_recv(sc)) == NULL) { 757 printf("%s: unable to get keepalive response\n", DEVNAME(sc)); 758 return RNDIS_STATUS_FAILURE; 759 } 760 rval = urndis_ctrl_handle(sc, hdr, NULL, NULL); 761 if (rval != RNDIS_STATUS_SUCCESS) { 762 printf("%s: keepalive failed 0x%x\n", DEVNAME(sc), rval); 763 urndis_ctrl_reset(sc); 764 } 765 766 return rval; 767 } 768 #endif 769 770 int 771 urndis_encap(struct urndis_softc *sc, struct mbuf *m, int idx) 772 { 773 struct urndis_chain *c; 774 usbd_status err; 775 struct rndis_packet_msg *msg; 776 777 c = &sc->sc_data.sc_tx_chain[idx]; 778 779 msg = (struct rndis_packet_msg *)c->sc_buf; 780 781 memset(msg, 0, sizeof(*msg)); 782 msg->rm_type = htole32(REMOTE_NDIS_PACKET_MSG); 783 msg->rm_len = htole32(sizeof(*msg) + m->m_pkthdr.len); 784 785 msg->rm_dataoffset = htole32(RNDIS_DATA_OFFSET); 786 msg->rm_datalen = htole32(m->m_pkthdr.len); 787 788 m_copydata(m, 0, m->m_pkthdr.len, 789 ((char*)msg + RNDIS_DATA_OFFSET + RNDIS_HEADER_OFFSET)); 790 791 DPRINTF(("%s: urndis_encap type 0x%x len %u data(off %u len %u)\n", 792 DEVNAME(sc), 793 letoh32(msg->rm_type), 794 letoh32(msg->rm_len), 795 letoh32(msg->rm_dataoffset), 796 letoh32(msg->rm_datalen))); 797 798 c->sc_mbuf = m; 799 800 usbd_setup_xfer(c->sc_xfer, sc->sc_bulkout_pipe, c, c->sc_buf, 801 letoh32(msg->rm_len), USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 10000, 802 urndis_txeof); 803 804 /* Transmit */ 805 err = usbd_transfer(c->sc_xfer); 806 if (err != USBD_IN_PROGRESS) { 807 c->sc_mbuf = NULL; 808 urndis_stop(sc); 809 return(EIO); 810 } 811 812 sc->sc_data.sc_tx_cnt++; 813 814 return(0); 815 } 816 817 void 818 urndis_decap(struct urndis_softc *sc, struct urndis_chain *c, u_int32_t len) 819 { 820 struct mbuf *m; 821 struct mbuf_list ml = MBUF_LIST_INITIALIZER(); 822 struct rndis_packet_msg *msg; 823 struct ifnet *ifp; 824 int s; 825 int offset; 826 827 ifp = GET_IFP(sc); 828 offset = 0; 829 830 while (len > 1) { 831 msg = (struct rndis_packet_msg *)((char*)c->sc_buf + offset); 832 m = c->sc_mbuf; 833 834 DPRINTF(("%s: urndis_decap buffer size left %u\n", DEVNAME(sc), 835 len)); 836 837 if (len < sizeof(*msg)) { 838 printf("%s: urndis_decap invalid buffer len %u < " 839 "minimum header %zu\n", 840 DEVNAME(sc), 841 len, 842 sizeof(*msg)); 843 break; 844 } 845 846 DPRINTF(("%s: urndis_decap len %u data(off:%u len:%u) " 847 "oobdata(off:%u len:%u nb:%u) perpacket(off:%u len:%u)\n", 848 DEVNAME(sc), 849 letoh32(msg->rm_len), 850 letoh32(msg->rm_dataoffset), 851 letoh32(msg->rm_datalen), 852 letoh32(msg->rm_oobdataoffset), 853 letoh32(msg->rm_oobdatalen), 854 letoh32(msg->rm_oobdataelements), 855 letoh32(msg->rm_pktinfooffset), 856 letoh32(msg->rm_pktinfooffset))); 857 858 if (letoh32(msg->rm_type) != REMOTE_NDIS_PACKET_MSG) { 859 printf("%s: urndis_decap invalid type 0x%x != 0x%x\n", 860 DEVNAME(sc), 861 letoh32(msg->rm_type), 862 REMOTE_NDIS_PACKET_MSG); 863 break; 864 } 865 if (letoh32(msg->rm_len) < sizeof(*msg)) { 866 printf("%s: urndis_decap invalid msg len %u < %zu\n", 867 DEVNAME(sc), 868 letoh32(msg->rm_len), 869 sizeof(*msg)); 870 break; 871 } 872 if (letoh32(msg->rm_len) > len) { 873 printf("%s: urndis_decap invalid msg len %u > buffer " 874 "len %u\n", 875 DEVNAME(sc), 876 letoh32(msg->rm_len), 877 len); 878 break; 879 } 880 881 if (letoh32(msg->rm_dataoffset) + 882 letoh32(msg->rm_datalen) + RNDIS_HEADER_OFFSET 883 > letoh32(msg->rm_len)) { 884 printf("%s: urndis_decap invalid data " 885 "len/offset/end_position(%u/%u/%zu) -> " 886 "go out of receive buffer limit %u\n", 887 DEVNAME(sc), 888 letoh32(msg->rm_datalen), 889 letoh32(msg->rm_dataoffset), 890 letoh32(msg->rm_dataoffset) + 891 letoh32(msg->rm_datalen) + RNDIS_HEADER_OFFSET, 892 letoh32(msg->rm_len)); 893 break; 894 } 895 896 if (letoh32(msg->rm_datalen) < sizeof(struct ether_header)) { 897 ifp->if_ierrors++; 898 DPRINTF(("%s: urndis_decap invalid ethernet size " 899 "%u < %zu\n", 900 DEVNAME(sc), 901 letoh32(msg->rm_datalen), 902 sizeof(struct ether_header))); 903 break; 904 } 905 906 memcpy(mtod(m, char*), 907 ((char*)&msg->rm_dataoffset + letoh32(msg->rm_dataoffset)), 908 letoh32(msg->rm_datalen)); 909 m->m_pkthdr.len = m->m_len = letoh32(msg->rm_datalen); 910 911 if (urndis_newbuf(sc, c) == ENOBUFS) { 912 ifp->if_ierrors++; 913 } else { 914 ml_enqueue(&ml, m); 915 } 916 917 offset += letoh32(msg->rm_len); 918 len -= letoh32(msg->rm_len); 919 } 920 if (ml_empty(&ml)) 921 return; 922 923 s = splnet(); 924 if_input(ifp, &ml); 925 splx(s); 926 } 927 928 int 929 urndis_newbuf(struct urndis_softc *sc, struct urndis_chain *c) 930 { 931 struct mbuf *m_new = NULL; 932 933 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 934 if (m_new == NULL) { 935 printf("%s: no memory for rx list -- packet dropped!\n", 936 DEVNAME(sc)); 937 return (ENOBUFS); 938 } 939 MCLGET(m_new, M_DONTWAIT); 940 if (!(m_new->m_flags & M_EXT)) { 941 printf("%s: no memory for rx list -- packet dropped!\n", 942 DEVNAME(sc)); 943 m_freem(m_new); 944 return (ENOBUFS); 945 } 946 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 947 948 m_adj(m_new, ETHER_ALIGN); 949 c->sc_mbuf = m_new; 950 return (0); 951 } 952 953 int 954 urndis_rx_list_init(struct urndis_softc *sc) 955 { 956 struct urndis_cdata *cd; 957 struct urndis_chain *c; 958 int i; 959 960 cd = &sc->sc_data; 961 for (i = 0; i < RNDIS_RX_LIST_CNT; i++) { 962 c = &cd->sc_rx_chain[i]; 963 c->sc_softc = sc; 964 c->sc_idx = i; 965 966 if (urndis_newbuf(sc, c) == ENOBUFS) 967 return (ENOBUFS); 968 969 if (c->sc_xfer == NULL) { 970 c->sc_xfer = usbd_alloc_xfer(sc->sc_udev); 971 if (c->sc_xfer == NULL) 972 return (ENOBUFS); 973 c->sc_buf = usbd_alloc_buffer(c->sc_xfer, 974 RNDIS_BUFSZ); 975 if (c->sc_buf == NULL) 976 return (ENOBUFS); 977 } 978 } 979 980 return (0); 981 } 982 983 int 984 urndis_tx_list_init(struct urndis_softc *sc) 985 { 986 struct urndis_cdata *cd; 987 struct urndis_chain *c; 988 int i; 989 990 cd = &sc->sc_data; 991 for (i = 0; i < RNDIS_TX_LIST_CNT; i++) { 992 c = &cd->sc_tx_chain[i]; 993 c->sc_softc = sc; 994 c->sc_idx = i; 995 c->sc_mbuf = NULL; 996 if (c->sc_xfer == NULL) { 997 c->sc_xfer = usbd_alloc_xfer(sc->sc_udev); 998 if (c->sc_xfer == NULL) 999 return (ENOBUFS); 1000 c->sc_buf = usbd_alloc_buffer(c->sc_xfer, 1001 RNDIS_BUFSZ); 1002 if (c->sc_buf == NULL) 1003 return (ENOBUFS); 1004 } 1005 } 1006 return (0); 1007 } 1008 1009 int 1010 urndis_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 1011 { 1012 struct urndis_softc *sc = ifp->if_softc; 1013 int s, error = 0; 1014 1015 if (usbd_is_dying(sc->sc_udev)) 1016 return ENXIO; 1017 1018 s = splnet(); 1019 1020 switch(command) { 1021 case SIOCSIFADDR: 1022 ifp->if_flags |= IFF_UP; 1023 if (!(ifp->if_flags & IFF_RUNNING)) 1024 urndis_init(sc); 1025 break; 1026 1027 case SIOCSIFFLAGS: 1028 if (ifp->if_flags & IFF_UP) { 1029 if (ifp->if_flags & IFF_RUNNING) 1030 error = ENETRESET; 1031 else 1032 urndis_init(sc); 1033 } else { 1034 if (ifp->if_flags & IFF_RUNNING) 1035 urndis_stop(sc); 1036 } 1037 break; 1038 1039 default: 1040 error = ether_ioctl(ifp, &sc->sc_arpcom, command, data); 1041 break; 1042 } 1043 1044 if (error == ENETRESET) 1045 error = 0; 1046 1047 splx(s); 1048 return (error); 1049 } 1050 1051 #if 0 1052 void 1053 urndis_watchdog(struct ifnet *ifp) 1054 { 1055 struct urndis_softc *sc; 1056 1057 sc = ifp->if_softc; 1058 1059 if (usbd_is_dying(sc->sc_udev)) 1060 return; 1061 1062 ifp->if_oerrors++; 1063 printf("%s: watchdog timeout\n", DEVNAME(sc)); 1064 1065 urndis_ctrl_keepalive(sc); 1066 } 1067 #endif 1068 1069 void 1070 urndis_init(struct urndis_softc *sc) 1071 { 1072 struct ifnet *ifp = GET_IFP(sc); 1073 int i, s; 1074 usbd_status err; 1075 1076 if (urndis_ctrl_init(sc) != RNDIS_STATUS_SUCCESS) 1077 return; 1078 1079 s = splnet(); 1080 1081 if (urndis_tx_list_init(sc) == ENOBUFS) { 1082 printf("%s: tx list init failed\n", 1083 DEVNAME(sc)); 1084 splx(s); 1085 return; 1086 } 1087 1088 if (urndis_rx_list_init(sc) == ENOBUFS) { 1089 printf("%s: rx list init failed\n", 1090 DEVNAME(sc)); 1091 splx(s); 1092 return; 1093 } 1094 1095 err = usbd_open_pipe(sc->sc_iface_data, sc->sc_bulkin_no, 1096 USBD_EXCLUSIVE_USE, &sc->sc_bulkin_pipe); 1097 if (err) { 1098 printf("%s: open rx pipe failed: %s\n", DEVNAME(sc), 1099 usbd_errstr(err)); 1100 splx(s); 1101 return; 1102 } 1103 1104 err = usbd_open_pipe(sc->sc_iface_data, sc->sc_bulkout_no, 1105 USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe); 1106 if (err) { 1107 printf("%s: open tx pipe failed: %s\n", DEVNAME(sc), 1108 usbd_errstr(err)); 1109 splx(s); 1110 return; 1111 } 1112 1113 for (i = 0; i < RNDIS_RX_LIST_CNT; i++) { 1114 struct urndis_chain *c; 1115 1116 c = &sc->sc_data.sc_rx_chain[i]; 1117 usbd_setup_xfer(c->sc_xfer, sc->sc_bulkin_pipe, c, 1118 c->sc_buf, RNDIS_BUFSZ, 1119 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1120 USBD_NO_TIMEOUT, urndis_rxeof); 1121 usbd_transfer(c->sc_xfer); 1122 } 1123 1124 ifp->if_flags |= IFF_RUNNING; 1125 ifq_clr_oactive(&ifp->if_snd); 1126 1127 splx(s); 1128 } 1129 1130 void 1131 urndis_stop(struct urndis_softc *sc) 1132 { 1133 usbd_status err; 1134 struct ifnet *ifp; 1135 int i; 1136 1137 ifp = GET_IFP(sc); 1138 ifp->if_timer = 0; 1139 ifp->if_flags &= ~IFF_RUNNING; 1140 ifq_clr_oactive(&ifp->if_snd); 1141 1142 if (sc->sc_bulkin_pipe != NULL) { 1143 err = usbd_close_pipe(sc->sc_bulkin_pipe); 1144 if (err) 1145 printf("%s: close rx pipe failed: %s\n", 1146 DEVNAME(sc), usbd_errstr(err)); 1147 sc->sc_bulkin_pipe = NULL; 1148 } 1149 1150 if (sc->sc_bulkout_pipe != NULL) { 1151 err = usbd_close_pipe(sc->sc_bulkout_pipe); 1152 if (err) 1153 printf("%s: close tx pipe failed: %s\n", 1154 DEVNAME(sc), usbd_errstr(err)); 1155 sc->sc_bulkout_pipe = NULL; 1156 } 1157 1158 for (i = 0; i < RNDIS_RX_LIST_CNT; i++) { 1159 if (sc->sc_data.sc_rx_chain[i].sc_mbuf != NULL) { 1160 m_freem(sc->sc_data.sc_rx_chain[i].sc_mbuf); 1161 sc->sc_data.sc_rx_chain[i].sc_mbuf = NULL; 1162 } 1163 if (sc->sc_data.sc_rx_chain[i].sc_xfer != NULL) { 1164 usbd_free_xfer(sc->sc_data.sc_rx_chain[i].sc_xfer); 1165 sc->sc_data.sc_rx_chain[i].sc_xfer = NULL; 1166 } 1167 } 1168 1169 for (i = 0; i < RNDIS_TX_LIST_CNT; i++) { 1170 if (sc->sc_data.sc_tx_chain[i].sc_mbuf != NULL) { 1171 m_freem(sc->sc_data.sc_tx_chain[i].sc_mbuf); 1172 sc->sc_data.sc_tx_chain[i].sc_mbuf = NULL; 1173 } 1174 if (sc->sc_data.sc_tx_chain[i].sc_xfer != NULL) { 1175 usbd_free_xfer(sc->sc_data.sc_tx_chain[i].sc_xfer); 1176 sc->sc_data.sc_tx_chain[i].sc_xfer = NULL; 1177 } 1178 } 1179 } 1180 1181 void 1182 urndis_start(struct ifnet *ifp) 1183 { 1184 struct urndis_softc *sc; 1185 struct mbuf *m_head = NULL; 1186 1187 sc = ifp->if_softc; 1188 1189 if (usbd_is_dying(sc->sc_udev) || ifq_is_oactive(&ifp->if_snd)) 1190 return; 1191 1192 m_head = ifq_dequeue(&ifp->if_snd); 1193 if (m_head == NULL) 1194 return; 1195 1196 if (urndis_encap(sc, m_head, 0)) { 1197 m_freem(m_head); 1198 ifq_set_oactive(&ifp->if_snd); 1199 return; 1200 } 1201 1202 /* 1203 * If there's a BPF listener, bounce a copy of this frame 1204 * to him. 1205 */ 1206 #if NBPFILTER > 0 1207 if (ifp->if_bpf) 1208 bpf_mtap(ifp->if_bpf, m_head, BPF_DIRECTION_OUT); 1209 #endif 1210 1211 ifq_set_oactive(&ifp->if_snd); 1212 1213 /* 1214 * Set a timeout in case the chip goes out to lunch. 1215 */ 1216 ifp->if_timer = 5; 1217 1218 return; 1219 } 1220 1221 void 1222 urndis_rxeof(struct usbd_xfer *xfer, 1223 void *priv, 1224 usbd_status status) 1225 { 1226 struct urndis_chain *c; 1227 struct urndis_softc *sc; 1228 struct ifnet *ifp; 1229 u_int32_t total_len; 1230 1231 c = priv; 1232 sc = c->sc_softc; 1233 ifp = GET_IFP(sc); 1234 total_len = 0; 1235 1236 if (usbd_is_dying(sc->sc_udev) || !(ifp->if_flags & IFF_RUNNING)) 1237 return; 1238 1239 if (status != USBD_NORMAL_COMPLETION) { 1240 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1241 return; 1242 if (usbd_ratecheck(&sc->sc_rx_notice)) { 1243 DPRINTF(("%s: usb errors on rx: %s\n", 1244 DEVNAME(sc), usbd_errstr(status))); 1245 } 1246 if (status == USBD_STALLED) 1247 usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe); 1248 1249 ifp->if_ierrors++; 1250 goto done; 1251 } 1252 1253 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 1254 urndis_decap(sc, c, total_len); 1255 1256 done: 1257 /* Setup new transfer. */ 1258 usbd_setup_xfer(c->sc_xfer, sc->sc_bulkin_pipe, c, c->sc_buf, 1259 RNDIS_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1260 urndis_rxeof); 1261 usbd_transfer(c->sc_xfer); 1262 } 1263 1264 void 1265 urndis_txeof(struct usbd_xfer *xfer, 1266 void *priv, 1267 usbd_status status) 1268 { 1269 struct urndis_chain *c; 1270 struct urndis_softc *sc; 1271 struct ifnet *ifp; 1272 usbd_status err; 1273 int s; 1274 1275 c = priv; 1276 sc = c->sc_softc; 1277 ifp = GET_IFP(sc); 1278 1279 DPRINTF(("%s: urndis_txeof\n", DEVNAME(sc))); 1280 1281 if (usbd_is_dying(sc->sc_udev)) 1282 return; 1283 1284 s = splnet(); 1285 1286 ifp->if_timer = 0; 1287 ifq_clr_oactive(&ifp->if_snd); 1288 1289 if (status != USBD_NORMAL_COMPLETION) { 1290 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1291 splx(s); 1292 return; 1293 } 1294 ifp->if_oerrors++; 1295 DPRINTF(("%s: usb error on tx: %s\n", DEVNAME(sc), 1296 usbd_errstr(status))); 1297 if (status == USBD_STALLED) 1298 usbd_clear_endpoint_stall_async(sc->sc_bulkout_pipe); 1299 splx(s); 1300 return; 1301 } 1302 1303 usbd_get_xfer_status(c->sc_xfer, NULL, NULL, NULL, &err); 1304 1305 if (c->sc_mbuf != NULL) { 1306 m_freem(c->sc_mbuf); 1307 c->sc_mbuf = NULL; 1308 } 1309 1310 if (err) 1311 ifp->if_oerrors++; 1312 1313 if (ifq_empty(&ifp->if_snd) == 0) 1314 urndis_start(ifp); 1315 1316 splx(s); 1317 } 1318 1319 const struct urndis_class * 1320 urndis_lookup(usb_interface_descriptor_t *id) 1321 { 1322 const struct urndis_class *uc; 1323 int i; 1324 1325 uc = urndis_class; 1326 for (i = 0; i < nitems(urndis_class); i++, uc++) { 1327 if (uc->class == id->bInterfaceClass && 1328 uc->subclass == id->bInterfaceSubClass && 1329 uc->protocol == id->bInterfaceProtocol) 1330 return (uc); 1331 } 1332 return (NULL); 1333 } 1334 1335 int 1336 urndis_match(struct device *parent, void *match, void *aux) 1337 { 1338 struct usb_attach_arg *uaa = aux; 1339 usb_interface_descriptor_t *id; 1340 1341 /* Advertises both RNDIS and CDC Ethernet, but RNDIS doesn't work. */ 1342 if (uaa->vendor == USB_VENDOR_FUJITSUCOMP && 1343 uaa->product == USB_PRODUCT_FUJITSUCOMP_VIRTETH) 1344 return (UMATCH_NONE); 1345 1346 if (!uaa->iface) 1347 return (UMATCH_NONE); 1348 1349 id = usbd_get_interface_descriptor(uaa->iface); 1350 if (id == NULL) 1351 return (UMATCH_NONE); 1352 1353 return (urndis_lookup(id) ? 1354 UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO : UMATCH_NONE); 1355 } 1356 1357 void 1358 urndis_attach(struct device *parent, struct device *self, void *aux) 1359 { 1360 const struct urndis_class *uc; 1361 struct urndis_softc *sc; 1362 struct usb_attach_arg *uaa; 1363 struct ifnet *ifp; 1364 usb_interface_descriptor_t *id; 1365 usb_endpoint_descriptor_t *ed; 1366 usb_config_descriptor_t *cd; 1367 int i, j, altcnt; 1368 int s; 1369 u_char eaddr[ETHER_ADDR_LEN]; 1370 void *buf; 1371 size_t bufsz; 1372 u_int32_t filter; 1373 1374 sc = (void *)self; 1375 uaa = aux; 1376 1377 sc->sc_attached = 0; 1378 sc->sc_udev = uaa->device; 1379 id = usbd_get_interface_descriptor(uaa->iface); 1380 sc->sc_ifaceno_ctl = id->bInterfaceNumber; 1381 1382 for (i = 0; i < uaa->nifaces; i++) { 1383 if (usbd_iface_claimed(sc->sc_udev, i)) 1384 continue; 1385 1386 if (uaa->ifaces[i] != uaa->iface) { 1387 sc->sc_iface_data = uaa->ifaces[i]; 1388 usbd_claim_iface(sc->sc_udev, i); 1389 break; 1390 } 1391 } 1392 1393 if (sc->sc_iface_data == NULL) { 1394 printf("%s: no data interface\n", DEVNAME(sc)); 1395 return; 1396 } 1397 1398 uc = urndis_lookup(id); 1399 printf("%s: using %s", DEVNAME(sc), uc->typestr); 1400 1401 id = usbd_get_interface_descriptor(sc->sc_iface_data); 1402 cd = usbd_get_config_descriptor(sc->sc_udev); 1403 altcnt = usbd_get_no_alts(cd, id->bInterfaceNumber); 1404 1405 for (j = 0; j < altcnt; j++) { 1406 if (usbd_set_interface(sc->sc_iface_data, j)) { 1407 printf(": interface alternate setting %u failed\n", j); 1408 return; 1409 } 1410 /* Find endpoints. */ 1411 id = usbd_get_interface_descriptor(sc->sc_iface_data); 1412 sc->sc_bulkin_no = sc->sc_bulkout_no = -1; 1413 for (i = 0; i < id->bNumEndpoints; i++) { 1414 ed = usbd_interface2endpoint_descriptor( 1415 sc->sc_iface_data, i); 1416 if (!ed) { 1417 printf(": no descriptor for bulk endpoint " 1418 "%u\n", i); 1419 return; 1420 } 1421 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 1422 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 1423 sc->sc_bulkin_no = ed->bEndpointAddress; 1424 } 1425 else if ( 1426 UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 1427 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 1428 sc->sc_bulkout_no = ed->bEndpointAddress; 1429 } 1430 } 1431 1432 if (sc->sc_bulkin_no != -1 && sc->sc_bulkout_no != -1) { 1433 DPRINTF(("%s: in=0x%x, out=0x%x\n", 1434 DEVNAME(sc), 1435 sc->sc_bulkin_no, 1436 sc->sc_bulkout_no)); 1437 goto found; 1438 } 1439 } 1440 1441 if (sc->sc_bulkin_no == -1) 1442 printf(": could not find data bulk in\n"); 1443 if (sc->sc_bulkout_no == -1 ) 1444 printf(": could not find data bulk out\n"); 1445 return; 1446 1447 found: 1448 1449 ifp = GET_IFP(sc); 1450 ifp->if_softc = sc; 1451 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1452 ifp->if_start = urndis_start; 1453 ifp->if_ioctl = urndis_ioctl; 1454 #if 0 1455 ifp->if_watchdog = urndis_watchdog; 1456 #endif 1457 1458 strlcpy(ifp->if_xname, DEVNAME(sc), IFNAMSIZ); 1459 1460 s = splnet(); 1461 1462 if (urndis_ctrl_query(sc, OID_802_3_PERMANENT_ADDRESS, NULL, 0, 1463 &buf, &bufsz) != RNDIS_STATUS_SUCCESS) { 1464 printf(": unable to get hardware address\n"); 1465 splx(s); 1466 return; 1467 } 1468 1469 if (bufsz == ETHER_ADDR_LEN) { 1470 memcpy(eaddr, buf, ETHER_ADDR_LEN); 1471 printf(", address %s\n", ether_sprintf(eaddr)); 1472 free(buf, M_TEMP, bufsz); 1473 } else { 1474 printf(", invalid address\n"); 1475 free(buf, M_TEMP, bufsz); 1476 splx(s); 1477 return; 1478 } 1479 1480 /* Initialize packet filter */ 1481 sc->sc_filter = NDIS_PACKET_TYPE_BROADCAST; 1482 sc->sc_filter |= NDIS_PACKET_TYPE_ALL_MULTICAST; 1483 filter = htole32(sc->sc_filter); 1484 if (urndis_ctrl_set(sc, OID_GEN_CURRENT_PACKET_FILTER, &filter, 1485 sizeof(filter)) != RNDIS_STATUS_SUCCESS) { 1486 printf("%s: unable to set data filters\n", DEVNAME(sc)); 1487 splx(s); 1488 return; 1489 } 1490 1491 bcopy(eaddr, (char *)&sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN); 1492 1493 if_attach(ifp); 1494 ether_ifattach(ifp); 1495 sc->sc_attached = 1; 1496 1497 splx(s); 1498 } 1499 1500 int 1501 urndis_detach(struct device *self, int flags) 1502 { 1503 struct urndis_softc *sc; 1504 struct ifnet *ifp; 1505 int s; 1506 1507 sc = (void*)self; 1508 1509 DPRINTF(("urndis_detach: %s flags %u\n", DEVNAME(sc), 1510 flags)); 1511 1512 if (!sc->sc_attached) 1513 return 0; 1514 1515 s = splusb(); 1516 1517 ifp = GET_IFP(sc); 1518 1519 if (ifp->if_softc != NULL) { 1520 ether_ifdetach(ifp); 1521 if_detach(ifp); 1522 } 1523 1524 urndis_stop(sc); 1525 sc->sc_attached = 0; 1526 1527 splx(s); 1528 1529 return 0; 1530 } 1531