1 /*- 2 * Copyright (c) 2011 Anybots Inc 3 * written by Akinori Furukoshi <moonlightakkiy@yahoo.ca> 4 * - ucom part is based on u3g.c 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/queue.h> 34 #include <sys/systm.h> 35 #include <sys/socket.h> 36 #include <sys/kernel.h> 37 #include <sys/bus.h> 38 #include <sys/module.h> 39 #include <sys/sockio.h> 40 #include <sys/socket.h> 41 #include <sys/lock.h> 42 #include <sys/mutex.h> 43 #include <sys/condvar.h> 44 #include <sys/sysctl.h> 45 #include <sys/malloc.h> 46 #include <sys/taskqueue.h> 47 48 #include <net/if.h> 49 #include <net/if_var.h> 50 51 #include <machine/bus.h> 52 53 #include <net/if.h> 54 #include <net/if_types.h> 55 #include <net/netisr.h> 56 #include <net/bpf.h> 57 #include <net/ethernet.h> 58 59 #include <netinet/in.h> 60 #include <netinet/ip.h> 61 #include <netinet/ip6.h> 62 #include <netinet/udp.h> 63 64 #include <net80211/ieee80211_ioctl.h> 65 66 #include <dev/usb/usb.h> 67 #include <dev/usb/usbdi.h> 68 #include <dev/usb/usbdi_util.h> 69 #include <dev/usb/usb_cdc.h> 70 #include "usbdevs.h" 71 72 #define USB_DEBUG_VAR usie_debug 73 #include <dev/usb/usb_debug.h> 74 #include <dev/usb/usb_process.h> 75 #include <dev/usb/usb_msctest.h> 76 77 #include <dev/usb/serial/usb_serial.h> 78 79 #include <dev/usb/net/if_usievar.h> 80 81 #ifdef USB_DEBUG 82 static int usie_debug = 0; 83 84 static SYSCTL_NODE(_hw_usb, OID_AUTO, usie, CTLFLAG_RW, 0, "sierra USB modem"); 85 SYSCTL_INT(_hw_usb_usie, OID_AUTO, debug, CTLFLAG_RWTUN, &usie_debug, 0, 86 "usie debug level"); 87 #endif 88 89 /* Sierra Wireless Direct IP modems */ 90 static const STRUCT_USB_HOST_ID usie_devs[] = { 91 #define USIE_DEV(v, d) { \ 92 USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##d) } 93 USIE_DEV(SIERRA, MC8700), 94 USIE_DEV(SIERRA, TRUINSTALL), 95 USIE_DEV(AIRPRIME, USB308), 96 #undef USIE_DEV 97 }; 98 99 static device_probe_t usie_probe; 100 static device_attach_t usie_attach; 101 static device_detach_t usie_detach; 102 static void usie_free_softc(struct usie_softc *); 103 104 static void usie_free(struct ucom_softc *); 105 static void usie_uc_update_line_state(struct ucom_softc *, uint8_t); 106 static void usie_uc_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 107 static void usie_uc_cfg_set_dtr(struct ucom_softc *, uint8_t); 108 static void usie_uc_cfg_set_rts(struct ucom_softc *, uint8_t); 109 static void usie_uc_cfg_open(struct ucom_softc *); 110 static void usie_uc_cfg_close(struct ucom_softc *); 111 static void usie_uc_start_read(struct ucom_softc *); 112 static void usie_uc_stop_read(struct ucom_softc *); 113 static void usie_uc_start_write(struct ucom_softc *); 114 static void usie_uc_stop_write(struct ucom_softc *); 115 116 static usb_callback_t usie_uc_tx_callback; 117 static usb_callback_t usie_uc_rx_callback; 118 static usb_callback_t usie_uc_status_callback; 119 static usb_callback_t usie_if_tx_callback; 120 static usb_callback_t usie_if_rx_callback; 121 static usb_callback_t usie_if_status_callback; 122 123 static void usie_if_sync_to(void *); 124 static void usie_if_sync_cb(void *, int); 125 static void usie_if_status_cb(void *, int); 126 127 static void usie_if_start(struct ifnet *); 128 static int usie_if_output(struct ifnet *, struct mbuf *, 129 const struct sockaddr *, struct route *); 130 static void usie_if_init(void *); 131 static void usie_if_stop(struct usie_softc *); 132 static int usie_if_ioctl(struct ifnet *, u_long, caddr_t); 133 134 static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); 135 static int usie_if_cmd(struct usie_softc *, uint8_t); 136 static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); 137 static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); 138 static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); 139 static int usie_driver_loaded(struct module *, int, void *); 140 141 static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { 142 [USIE_UC_STATUS] = { 143 .type = UE_INTERRUPT, 144 .endpoint = UE_ADDR_ANY, 145 .direction = UE_DIR_IN, 146 .bufsize = 0, /* use wMaxPacketSize */ 147 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 148 .callback = &usie_uc_status_callback, 149 }, 150 [USIE_UC_RX] = { 151 .type = UE_BULK, 152 .endpoint = UE_ADDR_ANY, 153 .direction = UE_DIR_IN, 154 .bufsize = USIE_BUFSIZE, 155 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, 156 .callback = &usie_uc_rx_callback, 157 }, 158 [USIE_UC_TX] = { 159 .type = UE_BULK, 160 .endpoint = UE_ADDR_ANY, 161 .direction = UE_DIR_OUT, 162 .bufsize = USIE_BUFSIZE, 163 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 164 .callback = &usie_uc_tx_callback, 165 } 166 }; 167 168 static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { 169 [USIE_IF_STATUS] = { 170 .type = UE_INTERRUPT, 171 .endpoint = UE_ADDR_ANY, 172 .direction = UE_DIR_IN, 173 .bufsize = 0, /* use wMaxPacketSize */ 174 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 175 .callback = &usie_if_status_callback, 176 }, 177 [USIE_IF_RX] = { 178 .type = UE_BULK, 179 .endpoint = UE_ADDR_ANY, 180 .direction = UE_DIR_IN, 181 .bufsize = USIE_BUFSIZE, 182 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 183 .callback = &usie_if_rx_callback, 184 }, 185 [USIE_IF_TX] = { 186 .type = UE_BULK, 187 .endpoint = UE_ADDR_ANY, 188 .direction = UE_DIR_OUT, 189 .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), 190 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 191 .callback = &usie_if_tx_callback, 192 } 193 }; 194 195 static device_method_t usie_methods[] = { 196 DEVMETHOD(device_probe, usie_probe), 197 DEVMETHOD(device_attach, usie_attach), 198 DEVMETHOD(device_detach, usie_detach), 199 DEVMETHOD_END 200 }; 201 202 static driver_t usie_driver = { 203 .name = "usie", 204 .methods = usie_methods, 205 .size = sizeof(struct usie_softc), 206 }; 207 208 static devclass_t usie_devclass; 209 static eventhandler_tag usie_etag; 210 211 DRIVER_MODULE(usie, uhub, usie_driver, usie_devclass, usie_driver_loaded, 0); 212 MODULE_DEPEND(usie, ucom, 1, 1, 1); 213 MODULE_DEPEND(usie, usb, 1, 1, 1); 214 MODULE_VERSION(usie, 1); 215 216 static const struct ucom_callback usie_uc_callback = { 217 .ucom_cfg_get_status = &usie_uc_cfg_get_status, 218 .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, 219 .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, 220 .ucom_cfg_open = &usie_uc_cfg_open, 221 .ucom_cfg_close = &usie_uc_cfg_close, 222 .ucom_start_read = &usie_uc_start_read, 223 .ucom_stop_read = &usie_uc_stop_read, 224 .ucom_start_write = &usie_uc_start_write, 225 .ucom_stop_write = &usie_uc_stop_write, 226 .ucom_free = &usie_free, 227 }; 228 229 static void 230 usie_autoinst(void *arg, struct usb_device *udev, 231 struct usb_attach_arg *uaa) 232 { 233 struct usb_interface *iface; 234 struct usb_interface_descriptor *id; 235 struct usb_device_request req; 236 int err; 237 238 if (uaa->dev_state != UAA_DEV_READY) 239 return; 240 241 iface = usbd_get_iface(udev, 0); 242 if (iface == NULL) 243 return; 244 245 id = iface->idesc; 246 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 247 return; 248 249 if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) 250 return; /* no device match */ 251 252 if (bootverbose) { 253 DPRINTF("Ejecting %s %s\n", 254 usb_get_manufacturer(udev), 255 usb_get_product(udev)); 256 } 257 req.bmRequestType = UT_VENDOR; 258 req.bRequest = UR_SET_INTERFACE; 259 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 260 USETW(req.wIndex, UHF_PORT_CONNECTION); 261 USETW(req.wLength, 0); 262 263 /* at this moment there is no mutex */ 264 err = usbd_do_request_flags(udev, NULL, &req, 265 NULL, 0, NULL, 250 /* ms */ ); 266 267 /* success, mark the udev as disappearing */ 268 if (err == 0) 269 uaa->dev_state = UAA_DEV_EJECTING; 270 } 271 272 static int 273 usie_probe(device_t self) 274 { 275 struct usb_attach_arg *uaa = device_get_ivars(self); 276 277 if (uaa->usb_mode != USB_MODE_HOST) 278 return (ENXIO); 279 if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) 280 return (ENXIO); 281 if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) 282 return (ENXIO); 283 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) 284 return (ENXIO); 285 286 return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); 287 } 288 289 static int 290 usie_attach(device_t self) 291 { 292 struct usie_softc *sc = device_get_softc(self); 293 struct usb_attach_arg *uaa = device_get_ivars(self); 294 struct ifnet *ifp; 295 struct usb_interface *iface; 296 struct usb_interface_descriptor *id; 297 struct usb_device_request req; 298 int err; 299 uint16_t fwattr; 300 uint8_t iface_index; 301 uint8_t ifidx; 302 uint8_t start; 303 304 device_set_usb_desc(self); 305 sc->sc_udev = uaa->device; 306 sc->sc_dev = self; 307 308 mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); 309 ucom_ref(&sc->sc_super_ucom); 310 311 TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); 312 TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); 313 314 usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); 315 316 mtx_lock(&sc->sc_mtx); 317 318 /* set power mode to D0 */ 319 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 320 req.bRequest = USIE_POWER; 321 USETW(req.wValue, 0); 322 USETW(req.wIndex, 0); 323 USETW(req.wLength, 0); 324 if (usie_do_request(sc, &req, NULL)) { 325 mtx_unlock(&sc->sc_mtx); 326 goto detach; 327 } 328 /* read fw attr */ 329 fwattr = 0; 330 req.bmRequestType = UT_READ_VENDOR_DEVICE; 331 req.bRequest = USIE_FW_ATTR; 332 USETW(req.wValue, 0); 333 USETW(req.wIndex, 0); 334 USETW(req.wLength, sizeof(fwattr)); 335 if (usie_do_request(sc, &req, &fwattr)) { 336 mtx_unlock(&sc->sc_mtx); 337 goto detach; 338 } 339 mtx_unlock(&sc->sc_mtx); 340 341 /* check DHCP supports */ 342 DPRINTF("fwattr=%x\n", fwattr); 343 if (!(fwattr & USIE_FW_DHCP)) { 344 device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); 345 } 346 347 /* find available interfaces */ 348 sc->sc_nucom = 0; 349 for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { 350 iface = usbd_get_iface(uaa->device, ifidx); 351 if (iface == NULL) 352 break; 353 354 id = usbd_get_interface_descriptor(iface); 355 if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) 356 continue; 357 358 /* setup Direct IP transfer */ 359 if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { 360 sc->sc_if_ifnum = id->bInterfaceNumber; 361 iface_index = ifidx; 362 363 DPRINTF("ifnum=%d, ifidx=%d\n", 364 sc->sc_if_ifnum, ifidx); 365 366 err = usbd_transfer_setup(uaa->device, 367 &iface_index, sc->sc_if_xfer, usie_if_config, 368 USIE_IF_N_XFER, sc, &sc->sc_mtx); 369 370 if (err == 0) 371 continue; 372 373 device_printf(self, 374 "could not allocate USB transfers on " 375 "iface_index=%d, err=%s\n", 376 iface_index, usbd_errstr(err)); 377 goto detach; 378 } 379 380 /* setup ucom */ 381 if (sc->sc_nucom >= USIE_UCOM_MAX) 382 continue; 383 384 usbd_set_parent_iface(uaa->device, ifidx, 385 uaa->info.bIfaceIndex); 386 387 DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", 388 id->bNumEndpoints, id->bInterfaceNumber); 389 390 if (id->bNumEndpoints == 2) { 391 sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; 392 start = 1; 393 } else 394 start = 0; 395 396 err = usbd_transfer_setup(uaa->device, &ifidx, 397 sc->sc_uc_xfer[sc->sc_nucom] + start, 398 usie_uc_config + start, USIE_UC_N_XFER - start, 399 &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); 400 401 if (err != 0) { 402 DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); 403 continue; 404 } 405 406 mtx_lock(&sc->sc_mtx); 407 for (; start < USIE_UC_N_XFER; start++) 408 usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); 409 mtx_unlock(&sc->sc_mtx); 410 411 sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; 412 413 sc->sc_nucom++; /* found a port */ 414 } 415 416 if (sc->sc_nucom == 0) { 417 device_printf(self, "no comports found\n"); 418 goto detach; 419 } 420 421 err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 422 sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); 423 424 if (err != 0) { 425 DPRINTF("ucom_attach failed\n"); 426 goto detach; 427 } 428 DPRINTF("Found %d interfaces.\n", sc->sc_nucom); 429 430 /* setup ifnet (Direct IP) */ 431 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 432 433 if (ifp == NULL) { 434 device_printf(self, "Could not allocate a network interface\n"); 435 goto detach; 436 } 437 if_initname(ifp, "usie", device_get_unit(self)); 438 439 ifp->if_softc = sc; 440 ifp->if_mtu = USIE_MTU_MAX; 441 ifp->if_flags |= IFF_NOARP; 442 ifp->if_init = usie_if_init; 443 ifp->if_ioctl = usie_if_ioctl; 444 ifp->if_start = usie_if_start; 445 ifp->if_output = usie_if_output; 446 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 447 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 448 IFQ_SET_READY(&ifp->if_snd); 449 450 if_attach(ifp); 451 bpfattach(ifp, DLT_RAW, 0); 452 453 if (fwattr & USIE_PM_AUTO) { 454 usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); 455 DPRINTF("enabling automatic suspend and resume\n"); 456 } else { 457 usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); 458 DPRINTF("USB power is always ON\n"); 459 } 460 461 DPRINTF("device attached\n"); 462 return (0); 463 464 detach: 465 usie_detach(self); 466 return (ENOMEM); 467 } 468 469 static int 470 usie_detach(device_t self) 471 { 472 struct usie_softc *sc = device_get_softc(self); 473 uint8_t x; 474 475 /* detach ifnet */ 476 if (sc->sc_ifp != NULL) { 477 usie_if_stop(sc); 478 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 479 bpfdetach(sc->sc_ifp); 480 if_detach(sc->sc_ifp); 481 if_free(sc->sc_ifp); 482 sc->sc_ifp = NULL; 483 } 484 /* detach ucom */ 485 if (sc->sc_nucom > 0) 486 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 487 488 /* stop all USB transfers */ 489 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 490 491 for (x = 0; x != USIE_UCOM_MAX; x++) 492 usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); 493 494 495 device_claim_softc(self); 496 497 usie_free_softc(sc); 498 499 return (0); 500 } 501 502 UCOM_UNLOAD_DRAIN(usie); 503 504 static void 505 usie_free_softc(struct usie_softc *sc) 506 { 507 if (ucom_unref(&sc->sc_super_ucom)) { 508 mtx_destroy(&sc->sc_mtx); 509 device_free_softc(sc); 510 } 511 } 512 513 static void 514 usie_free(struct ucom_softc *ucom) 515 { 516 usie_free_softc(ucom->sc_parent); 517 } 518 519 static void 520 usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 521 { 522 struct usie_softc *sc = ucom->sc_parent; 523 struct usb_device_request req; 524 525 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 526 return; 527 528 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 529 req.bRequest = USIE_LINK_STATE; 530 USETW(req.wValue, ls); 531 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 532 USETW(req.wLength, 0); 533 534 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 535 536 usie_do_request(sc, &req, NULL); 537 } 538 539 static void 540 usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 541 { 542 struct usie_softc *sc = ucom->sc_parent; 543 544 *msr = sc->sc_msr; 545 *lsr = sc->sc_lsr; 546 } 547 548 static void 549 usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 550 { 551 uint8_t dtr; 552 553 dtr = flag ? USIE_LS_DTR : 0; 554 usie_uc_update_line_state(ucom, dtr); 555 } 556 557 static void 558 usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 559 { 560 uint8_t rts; 561 562 rts = flag ? USIE_LS_RTS : 0; 563 usie_uc_update_line_state(ucom, rts); 564 } 565 566 static void 567 usie_uc_cfg_open(struct ucom_softc *ucom) 568 { 569 struct usie_softc *sc = ucom->sc_parent; 570 571 /* usbd_transfer_start() is NULL safe */ 572 573 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 574 } 575 576 static void 577 usie_uc_cfg_close(struct ucom_softc *ucom) 578 { 579 struct usie_softc *sc = ucom->sc_parent; 580 581 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 582 } 583 584 static void 585 usie_uc_start_read(struct ucom_softc *ucom) 586 { 587 struct usie_softc *sc = ucom->sc_parent; 588 589 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 590 } 591 592 static void 593 usie_uc_stop_read(struct ucom_softc *ucom) 594 { 595 struct usie_softc *sc = ucom->sc_parent; 596 597 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 598 } 599 600 static void 601 usie_uc_start_write(struct ucom_softc *ucom) 602 { 603 struct usie_softc *sc = ucom->sc_parent; 604 605 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 606 } 607 608 static void 609 usie_uc_stop_write(struct ucom_softc *ucom) 610 { 611 struct usie_softc *sc = ucom->sc_parent; 612 613 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 614 } 615 616 static void 617 usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 618 { 619 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 620 struct usie_softc *sc = ucom->sc_parent; 621 struct usb_page_cache *pc; 622 uint32_t actlen; 623 624 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 625 626 switch (USB_GET_STATE(xfer)) { 627 case USB_ST_TRANSFERRED: 628 pc = usbd_xfer_get_frame(xfer, 0); 629 630 /* handle CnS response */ 631 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 632 633 DPRINTF("transferred=%u\n", actlen); 634 635 /* check if it is really CnS reply */ 636 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 637 638 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 639 640 /* verify actlen */ 641 if (actlen > USIE_BUFSIZE) 642 actlen = USIE_BUFSIZE; 643 644 /* get complete message */ 645 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 646 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 647 648 /* need to fall though */ 649 goto tr_setup; 650 } 651 /* else call ucom_put_data() */ 652 } 653 /* standard ucom transfer */ 654 ucom_put_data(ucom, pc, 0, actlen); 655 656 /* fall though */ 657 case USB_ST_SETUP: 658 tr_setup: 659 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 660 usbd_transfer_submit(xfer); 661 break; 662 663 default: /* Error */ 664 if (error != USB_ERR_CANCELLED) { 665 usbd_xfer_set_stall(xfer); 666 goto tr_setup; 667 } 668 break; 669 } 670 } 671 672 static void 673 usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 674 { 675 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 676 struct usb_page_cache *pc; 677 uint32_t actlen; 678 679 switch (USB_GET_STATE(xfer)) { 680 case USB_ST_TRANSFERRED: 681 case USB_ST_SETUP: 682 tr_setup: 683 pc = usbd_xfer_get_frame(xfer, 0); 684 685 /* handle CnS request */ 686 struct mbuf *m = usbd_xfer_get_priv(xfer); 687 688 if (m != NULL) { 689 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 690 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 691 usbd_xfer_set_priv(xfer, NULL); 692 usbd_transfer_submit(xfer); 693 m_freem(m); 694 break; 695 } 696 /* standard ucom transfer */ 697 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 698 usbd_xfer_set_frame_len(xfer, 0, actlen); 699 usbd_transfer_submit(xfer); 700 } 701 break; 702 703 default: /* Error */ 704 if (error != USB_ERR_CANCELLED) { 705 usbd_xfer_set_stall(xfer); 706 goto tr_setup; 707 } 708 break; 709 } 710 } 711 712 static void 713 usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 714 { 715 struct usb_page_cache *pc; 716 struct { 717 struct usb_device_request req; 718 uint16_t param; 719 } st; 720 uint32_t actlen; 721 uint16_t param; 722 723 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 724 725 switch (USB_GET_STATE(xfer)) { 726 case USB_ST_TRANSFERRED: 727 DPRINTFN(4, "info received, actlen=%u\n", actlen); 728 729 if (actlen < sizeof(st)) { 730 DPRINTF("data too short actlen=%u\n", actlen); 731 goto tr_setup; 732 } 733 pc = usbd_xfer_get_frame(xfer, 0); 734 usbd_copy_out(pc, 0, &st, sizeof(st)); 735 736 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 737 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 738 struct usie_softc *sc = ucom->sc_parent; 739 740 param = le16toh(st.param); 741 DPRINTF("param=%x\n", param); 742 sc->sc_msr = sc->sc_lsr = 0; 743 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 744 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 745 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 746 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 747 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 748 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 749 } 750 /* fall though */ 751 case USB_ST_SETUP: 752 tr_setup: 753 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 754 usbd_transfer_submit(xfer); 755 break; 756 757 default: /* Error */ 758 DPRINTF("USB transfer error, %s\n", 759 usbd_errstr(error)); 760 761 if (error != USB_ERR_CANCELLED) { 762 usbd_xfer_set_stall(xfer); 763 goto tr_setup; 764 } 765 break; 766 } 767 } 768 769 static void 770 usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 771 { 772 struct usie_softc *sc = usbd_xfer_softc(xfer); 773 struct ifnet *ifp = sc->sc_ifp; 774 struct mbuf *m0; 775 struct mbuf *m = NULL; 776 struct usie_desc *rxd; 777 uint32_t actlen; 778 uint16_t err; 779 uint16_t pkt; 780 uint16_t ipl; 781 uint16_t len; 782 uint16_t diff; 783 uint8_t pad; 784 uint8_t ipv; 785 786 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 787 788 switch (USB_GET_STATE(xfer)) { 789 case USB_ST_TRANSFERRED: 790 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 791 792 if (actlen < sizeof(struct usie_hip)) { 793 DPRINTF("data too short %u\n", actlen); 794 goto tr_setup; 795 } 796 m = sc->sc_rxm; 797 sc->sc_rxm = NULL; 798 799 /* fall though */ 800 case USB_ST_SETUP: 801 tr_setup: 802 803 if (sc->sc_rxm == NULL) { 804 sc->sc_rxm = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 805 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 806 } 807 if (sc->sc_rxm == NULL) { 808 DPRINTF("could not allocate Rx mbuf\n"); 809 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 810 usbd_xfer_set_stall(xfer); 811 usbd_xfer_set_frames(xfer, 0); 812 } else { 813 /* 814 * Directly loading a mbuf cluster into DMA to 815 * save some data copying. This works because 816 * there is only one cluster. 817 */ 818 usbd_xfer_set_frame_data(xfer, 0, 819 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 820 usbd_xfer_set_frames(xfer, 1); 821 } 822 usbd_transfer_submit(xfer); 823 break; 824 825 default: /* Error */ 826 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 827 828 if (error != USB_ERR_CANCELLED) { 829 /* try to clear stall first */ 830 usbd_xfer_set_stall(xfer); 831 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 832 goto tr_setup; 833 } 834 if (sc->sc_rxm != NULL) { 835 m_freem(sc->sc_rxm); 836 sc->sc_rxm = NULL; 837 } 838 break; 839 } 840 841 if (m == NULL) 842 return; 843 844 mtx_unlock(&sc->sc_mtx); 845 846 m->m_pkthdr.len = m->m_len = actlen; 847 848 err = pkt = 0; 849 850 /* HW can aggregate multiple frames in a single USB xfer */ 851 for (;;) { 852 rxd = mtod(m, struct usie_desc *); 853 854 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 855 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 856 ipl = (len - pad - ETHER_HDR_LEN); 857 if (ipl >= len) { 858 DPRINTF("Corrupt frame\n"); 859 m_freem(m); 860 break; 861 } 862 diff = sizeof(struct usie_desc) + ipl + pad; 863 864 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 865 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 866 DPRINTF("received wrong type of packet\n"); 867 m->m_data += diff; 868 m->m_pkthdr.len = (m->m_len -= diff); 869 err++; 870 if (m->m_pkthdr.len > 0) 871 continue; 872 m_freem(m); 873 break; 874 } 875 switch (be16toh(rxd->ethhdr.ether_type)) { 876 case ETHERTYPE_IP: 877 ipv = NETISR_IP; 878 break; 879 #ifdef INET6 880 case ETHERTYPE_IPV6: 881 ipv = NETISR_IPV6; 882 break; 883 #endif 884 default: 885 DPRINTF("unsupported ether type\n"); 886 err++; 887 break; 888 } 889 890 /* the last packet */ 891 if (m->m_pkthdr.len <= diff) { 892 m->m_data += (sizeof(struct usie_desc) + pad); 893 m->m_pkthdr.len = m->m_len = ipl; 894 m->m_pkthdr.rcvif = ifp; 895 BPF_MTAP(sc->sc_ifp, m); 896 netisr_dispatch(ipv, m); 897 break; 898 } 899 /* copy aggregated frames to another mbuf */ 900 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 901 if (__predict_false(m0 == NULL)) { 902 DPRINTF("could not allocate mbuf\n"); 903 err++; 904 m_freem(m); 905 break; 906 } 907 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 908 m0->m_pkthdr.rcvif = ifp; 909 m0->m_pkthdr.len = m0->m_len = ipl; 910 911 BPF_MTAP(sc->sc_ifp, m0); 912 netisr_dispatch(ipv, m0); 913 914 m->m_data += diff; 915 m->m_pkthdr.len = (m->m_len -= diff); 916 } 917 918 mtx_lock(&sc->sc_mtx); 919 920 if_inc_counter(ifp, IFCOUNTER_IERRORS, err); 921 if_inc_counter(ifp, IFCOUNTER_IPACKETS, pkt); 922 } 923 924 static void 925 usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) 926 { 927 struct usie_softc *sc = usbd_xfer_softc(xfer); 928 struct usb_page_cache *pc; 929 struct ifnet *ifp = sc->sc_ifp; 930 struct mbuf *m; 931 uint16_t size; 932 933 switch (USB_GET_STATE(xfer)) { 934 case USB_ST_TRANSFERRED: 935 DPRINTFN(11, "transfer complete\n"); 936 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 937 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 938 939 /* fall though */ 940 case USB_ST_SETUP: 941 tr_setup: 942 943 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 944 break; 945 946 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 947 if (m == NULL) 948 break; 949 950 if (m->m_pkthdr.len > (int)(MCLBYTES - ETHER_HDR_LEN + 951 ETHER_CRC_LEN - sizeof(sc->sc_txd))) { 952 DPRINTF("packet len is too big: %d\n", 953 m->m_pkthdr.len); 954 break; 955 } 956 pc = usbd_xfer_get_frame(xfer, 0); 957 958 sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + 959 ETHER_HDR_LEN + ETHER_CRC_LEN); 960 size = sizeof(sc->sc_txd); 961 962 usbd_copy_in(pc, 0, &sc->sc_txd, size); 963 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 964 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + 965 size + ETHER_CRC_LEN); 966 967 BPF_MTAP(ifp, m); 968 969 m_freem(m); 970 971 usbd_transfer_submit(xfer); 972 break; 973 974 default: /* Error */ 975 DPRINTF("USB transfer error, %s\n", 976 usbd_errstr(error)); 977 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 978 979 if (error != USB_ERR_CANCELLED) { 980 usbd_xfer_set_stall(xfer); 981 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 982 goto tr_setup; 983 } 984 break; 985 } 986 } 987 988 static void 989 usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) 990 { 991 struct usie_softc *sc = usbd_xfer_softc(xfer); 992 struct usb_page_cache *pc; 993 struct usb_cdc_notification cdc; 994 uint32_t actlen; 995 996 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 997 998 switch (USB_GET_STATE(xfer)) { 999 case USB_ST_TRANSFERRED: 1000 DPRINTFN(4, "info received, actlen=%d\n", actlen); 1001 1002 /* usb_cdc_notification - .data[16] */ 1003 if (actlen < (sizeof(cdc) - 16)) { 1004 DPRINTF("data too short %d\n", actlen); 1005 goto tr_setup; 1006 } 1007 pc = usbd_xfer_get_frame(xfer, 0); 1008 usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); 1009 1010 DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); 1011 1012 if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { 1013 taskqueue_enqueue(taskqueue_thread, 1014 &sc->sc_if_status_task); 1015 } 1016 /* fall though */ 1017 case USB_ST_SETUP: 1018 tr_setup: 1019 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1020 usbd_transfer_submit(xfer); 1021 break; 1022 1023 default: /* Error */ 1024 DPRINTF("USB transfer error, %s\n", 1025 usbd_errstr(error)); 1026 1027 if (error != USB_ERR_CANCELLED) { 1028 usbd_xfer_set_stall(xfer); 1029 goto tr_setup; 1030 } 1031 break; 1032 } 1033 } 1034 1035 static void 1036 usie_if_sync_to(void *arg) 1037 { 1038 struct usie_softc *sc = arg; 1039 1040 taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); 1041 } 1042 1043 static void 1044 usie_if_sync_cb(void *arg, int pending) 1045 { 1046 struct usie_softc *sc = arg; 1047 1048 mtx_lock(&sc->sc_mtx); 1049 1050 /* call twice */ 1051 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1052 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1053 1054 usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); 1055 1056 mtx_unlock(&sc->sc_mtx); 1057 } 1058 1059 static void 1060 usie_if_status_cb(void *arg, int pending) 1061 { 1062 struct usie_softc *sc = arg; 1063 struct ifnet *ifp = sc->sc_ifp; 1064 struct usb_device_request req; 1065 struct usie_hip *hip; 1066 struct usie_lsi *lsi; 1067 uint16_t actlen; 1068 uint8_t ntries; 1069 uint8_t pad; 1070 1071 mtx_lock(&sc->sc_mtx); 1072 1073 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1074 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1075 USETW(req.wValue, 0); 1076 USETW(req.wIndex, sc->sc_if_ifnum); 1077 USETW(req.wLength, sizeof(sc->sc_status_temp)); 1078 1079 for (ntries = 0; ntries != 10; ntries++) { 1080 int err; 1081 1082 err = usbd_do_request_flags(sc->sc_udev, 1083 &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, 1084 &actlen, USB_DEFAULT_TIMEOUT); 1085 1086 if (err == 0) 1087 break; 1088 1089 DPRINTF("Control request failed: %s %d/10\n", 1090 usbd_errstr(err), ntries); 1091 1092 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1093 } 1094 1095 if (ntries == 10) { 1096 mtx_unlock(&sc->sc_mtx); 1097 DPRINTF("Timeout\n"); 1098 return; 1099 } 1100 1101 hip = (struct usie_hip *)sc->sc_status_temp; 1102 1103 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1104 1105 DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", 1106 hip->id, be16toh(hip->len), actlen, pad); 1107 1108 switch (hip->id & USIE_HIP_MASK) { 1109 case USIE_HIP_SYNC2H: 1110 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1111 break; 1112 case USIE_HIP_RESTR: 1113 usb_callout_stop(&sc->sc_if_sync_ch); 1114 break; 1115 case USIE_HIP_UMTS: 1116 lsi = (struct usie_lsi *)( 1117 sc->sc_status_temp + sizeof(struct usie_hip) + pad); 1118 1119 DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, 1120 be16toh(lsi->len)); 1121 1122 if (lsi->proto != USIE_LSI_UMTS) 1123 break; 1124 1125 if (lsi->area == USIE_LSI_AREA_NO || 1126 lsi->area == USIE_LSI_AREA_NODATA) { 1127 device_printf(sc->sc_dev, "no service available\n"); 1128 break; 1129 } 1130 if (lsi->state == USIE_LSI_STATE_IDLE) { 1131 DPRINTF("lsi.state=%x\n", lsi->state); 1132 break; 1133 } 1134 DPRINTF("ctx=%x\n", hip->param); 1135 sc->sc_txd.hip.param = hip->param; 1136 1137 sc->sc_net.addr_len = lsi->pdp_addr_len; 1138 memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); 1139 memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); 1140 memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); 1141 memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); 1142 ifp->if_flags |= IFF_UP; 1143 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1144 1145 device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", 1146 *lsi->pdp_addr, *(lsi->pdp_addr + 1), 1147 *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); 1148 device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", 1149 *lsi->gw_addr, *(lsi->gw_addr + 1), 1150 *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); 1151 device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", 1152 *lsi->dns1_addr, *(lsi->dns1_addr + 1), 1153 *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); 1154 device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", 1155 *lsi->dns2_addr, *(lsi->dns2_addr + 1), 1156 *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); 1157 1158 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1159 break; 1160 1161 case USIE_HIP_RCGI: 1162 /* ignore, workaround for sloppy windows */ 1163 break; 1164 default: 1165 DPRINTF("undefined msgid: %x\n", hip->id); 1166 break; 1167 } 1168 1169 mtx_unlock(&sc->sc_mtx); 1170 } 1171 1172 static void 1173 usie_if_start(struct ifnet *ifp) 1174 { 1175 struct usie_softc *sc = ifp->if_softc; 1176 1177 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1178 DPRINTF("Not running\n"); 1179 return; 1180 } 1181 mtx_lock(&sc->sc_mtx); 1182 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); 1183 mtx_unlock(&sc->sc_mtx); 1184 1185 DPRINTFN(3, "interface started\n"); 1186 } 1187 1188 static int 1189 usie_if_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, 1190 struct route *ro) 1191 { 1192 int err; 1193 1194 DPRINTF("proto=%x\n", dst->sa_family); 1195 1196 switch (dst->sa_family) { 1197 #ifdef INET6 1198 case AF_INET6; 1199 /* fall though */ 1200 #endif 1201 case AF_INET: 1202 break; 1203 1204 /* silently drop dhclient packets */ 1205 case AF_UNSPEC: 1206 m_freem(m); 1207 return (0); 1208 1209 /* drop other packet types */ 1210 default: 1211 m_freem(m); 1212 return (EAFNOSUPPORT); 1213 } 1214 1215 err = (ifp->if_transmit)(ifp, m); 1216 if (err) { 1217 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1218 return (ENOBUFS); 1219 } 1220 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1221 1222 return (0); 1223 } 1224 1225 static void 1226 usie_if_init(void *arg) 1227 { 1228 struct usie_softc *sc = arg; 1229 struct ifnet *ifp = sc->sc_ifp; 1230 uint8_t i; 1231 1232 mtx_lock(&sc->sc_mtx); 1233 1234 /* write tx descriptor */ 1235 sc->sc_txd.hip.id = USIE_HIP_CTX; 1236 sc->sc_txd.hip.param = 0; /* init value */ 1237 sc->sc_txd.desc_type = htobe16(USIE_IP_TX); 1238 1239 for (i = 0; i != USIE_IF_N_XFER; i++) 1240 usbd_xfer_set_stall(sc->sc_if_xfer[i]); 1241 1242 usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); 1243 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); 1244 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); 1245 1246 /* if not running, initiate the modem */ 1247 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1248 usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); 1249 1250 mtx_unlock(&sc->sc_mtx); 1251 1252 DPRINTF("ifnet initialized\n"); 1253 } 1254 1255 static void 1256 usie_if_stop(struct usie_softc *sc) 1257 { 1258 usb_callout_drain(&sc->sc_if_sync_ch); 1259 1260 mtx_lock(&sc->sc_mtx); 1261 1262 /* usie_cns_req() clears IFF_* flags */ 1263 usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); 1264 1265 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); 1266 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); 1267 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); 1268 1269 /* shutdown device */ 1270 usie_if_cmd(sc, USIE_HIP_DOWN); 1271 1272 mtx_unlock(&sc->sc_mtx); 1273 } 1274 1275 static int 1276 usie_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1277 { 1278 struct usie_softc *sc = ifp->if_softc; 1279 struct ieee80211req *ireq; 1280 struct ieee80211req_sta_info si; 1281 struct ifmediareq *ifmr; 1282 1283 switch (cmd) { 1284 case SIOCSIFFLAGS: 1285 if (ifp->if_flags & IFF_UP) { 1286 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1287 usie_if_init(sc); 1288 } else { 1289 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1290 usie_if_stop(sc); 1291 } 1292 break; 1293 1294 case SIOCSIFCAP: 1295 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1296 device_printf(sc->sc_dev, 1297 "Connect to the network first.\n"); 1298 break; 1299 } 1300 mtx_lock(&sc->sc_mtx); 1301 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1302 mtx_unlock(&sc->sc_mtx); 1303 break; 1304 1305 case SIOCG80211: 1306 ireq = (struct ieee80211req *)data; 1307 1308 if (ireq->i_type != IEEE80211_IOC_STA_INFO) 1309 break; 1310 1311 memset(&si, 0, sizeof(si)); 1312 si.isi_len = sizeof(si); 1313 /* 1314 * ifconfig expects RSSI in 0.5dBm units 1315 * relative to the noise floor. 1316 */ 1317 si.isi_rssi = 2 * sc->sc_rssi; 1318 if (copyout(&si, (uint8_t *)ireq->i_data + 8, 1319 sizeof(struct ieee80211req_sta_info))) 1320 DPRINTF("copyout failed\n"); 1321 DPRINTF("80211\n"); 1322 break; 1323 1324 case SIOCGIFMEDIA: /* to fool ifconfig */ 1325 ifmr = (struct ifmediareq *)data; 1326 ifmr->ifm_count = 1; 1327 DPRINTF("media\n"); 1328 break; 1329 1330 case SIOCSIFADDR: 1331 break; 1332 1333 default: 1334 return (EINVAL); 1335 } 1336 return (0); 1337 } 1338 1339 static int 1340 usie_do_request(struct usie_softc *sc, struct usb_device_request *req, 1341 void *data) 1342 { 1343 int err = 0; 1344 int ntries; 1345 1346 mtx_assert(&sc->sc_mtx, MA_OWNED); 1347 1348 for (ntries = 0; ntries != 10; ntries++) { 1349 err = usbd_do_request(sc->sc_udev, 1350 &sc->sc_mtx, req, data); 1351 if (err == 0) 1352 break; 1353 1354 DPRINTF("Control request failed: %s %d/10\n", 1355 usbd_errstr(err), ntries); 1356 1357 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1358 } 1359 return (err); 1360 } 1361 1362 static int 1363 usie_if_cmd(struct usie_softc *sc, uint8_t cmd) 1364 { 1365 struct usb_device_request req; 1366 struct usie_hip msg; 1367 1368 msg.len = 0; 1369 msg.id = cmd; 1370 msg.param = 0; 1371 1372 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1373 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1374 USETW(req.wValue, 0); 1375 USETW(req.wIndex, sc->sc_if_ifnum); 1376 USETW(req.wLength, sizeof(msg)); 1377 1378 DPRINTF("cmd=%x\n", cmd); 1379 1380 return (usie_do_request(sc, &req, &msg)); 1381 } 1382 1383 static void 1384 usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) 1385 { 1386 struct ifnet *ifp = sc->sc_ifp; 1387 struct mbuf *m; 1388 struct usb_xfer *xfer; 1389 struct usie_hip *hip; 1390 struct usie_cns *cns; 1391 uint8_t *param; 1392 uint8_t *tmp; 1393 uint8_t cns_len; 1394 1395 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1396 if (__predict_false(m == NULL)) { 1397 DPRINTF("could not allocate mbuf\n"); 1398 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1399 return; 1400 } 1401 /* to align usie_hip{} on 32 bit */ 1402 m->m_data += 3; 1403 param = mtod(m, uint8_t *); 1404 *param++ = USIE_HIP_FRM_CHR; 1405 hip = (struct usie_hip *)param; 1406 cns = (struct usie_cns *)(hip + 1); 1407 1408 tmp = param + USIE_HIPCNS_MIN - 2; 1409 1410 switch (obj) { 1411 case USIE_CNS_OB_LINK_UPDATE: 1412 cns_len = 2; 1413 cns->op = USIE_CNS_OP_SET; 1414 *tmp++ = 1; /* profile ID, always use 1 for now */ 1415 *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; 1416 break; 1417 1418 case USIE_CNS_OB_PROF_WRITE: 1419 cns_len = 245; 1420 cns->op = USIE_CNS_OP_SET; 1421 *tmp++ = 1; /* profile ID, always use 1 for now */ 1422 *tmp++ = 2; 1423 memcpy(tmp, &sc->sc_net, 34); 1424 memset(tmp + 35, 0, 245 - 36); 1425 tmp += 243; 1426 break; 1427 1428 case USIE_CNS_OB_RSSI: 1429 cns_len = 0; 1430 cns->op = USIE_CNS_OP_REQ; 1431 break; 1432 1433 default: 1434 DPRINTF("unsupported CnS object type\n"); 1435 return; 1436 } 1437 *tmp = USIE_HIP_FRM_CHR; 1438 1439 hip->len = htobe16(sizeof(struct usie_cns) + cns_len); 1440 hip->id = USIE_HIP_CNS2M; 1441 hip->param = 0; /* none for CnS */ 1442 1443 cns->obj = htobe16(obj); 1444 cns->id = htobe32(id); 1445 cns->len = cns_len; 1446 cns->rsv0 = cns->rsv1 = 0; /* always '0' */ 1447 1448 param = (uint8_t *)(cns + 1); 1449 1450 DPRINTF("param: %16D\n", param, ":"); 1451 1452 m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; 1453 1454 xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; 1455 1456 if (usbd_xfer_get_priv(xfer) == NULL) { 1457 usbd_xfer_set_priv(xfer, m); 1458 usbd_transfer_start(xfer); 1459 } else { 1460 DPRINTF("Dropped CNS event\n"); 1461 m_freem(m); 1462 } 1463 } 1464 1465 static void 1466 usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) 1467 { 1468 struct ifnet *ifp = sc->sc_ifp; 1469 1470 DPRINTF("received CnS\n"); 1471 1472 switch (be16toh(cns->obj)) { 1473 case USIE_CNS_OB_LINK_UPDATE: 1474 if (be32toh(cns->id) & USIE_CNS_ID_INIT) 1475 usie_if_sync_to(sc); 1476 else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { 1477 ifp->if_flags &= ~IFF_UP; 1478 ifp->if_drv_flags &= 1479 ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1480 } else 1481 DPRINTF("undefined link update\n"); 1482 break; 1483 1484 case USIE_CNS_OB_RSSI: 1485 sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); 1486 if (sc->sc_rssi <= 0) 1487 device_printf(sc->sc_dev, "No signal\n"); 1488 else { 1489 device_printf(sc->sc_dev, "RSSI=%ddBm\n", 1490 sc->sc_rssi - 110); 1491 } 1492 break; 1493 1494 case USIE_CNS_OB_PROF_WRITE: 1495 break; 1496 1497 case USIE_CNS_OB_PDP_READ: 1498 break; 1499 1500 default: 1501 DPRINTF("undefined CnS\n"); 1502 break; 1503 } 1504 } 1505 1506 static void 1507 usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) 1508 { 1509 struct usie_hip *hip; 1510 struct usie_cns *cns; 1511 uint32_t i; 1512 uint32_t j; 1513 uint32_t off; 1514 uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); 1515 1516 for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { 1517 1518 uint8_t pad; 1519 1520 while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) 1521 off++; 1522 1523 /* Unstuff the bytes */ 1524 for (i = j = 0; ((i + off) < len) && 1525 (j < USIE_HIPCNS_MAX); i++) { 1526 1527 if (rsp[i + off] == USIE_HIP_FRM_CHR) 1528 break; 1529 1530 if (rsp[i + off] == USIE_HIP_ESC_CHR) { 1531 if ((i + off + 1) >= len) 1532 break; 1533 tmp[j++] = rsp[i++ + off + 1] ^ 0x20; 1534 } else { 1535 tmp[j++] = rsp[i + off]; 1536 } 1537 } 1538 1539 off += i; 1540 1541 DPRINTF("frame len=%d\n", j); 1542 1543 if (j < sizeof(struct usie_hip)) { 1544 DPRINTF("too little data\n"); 1545 break; 1546 } 1547 /* 1548 * Make sure we are not reading the stack if something 1549 * is wrong. 1550 */ 1551 memset(tmp + j, 0, sizeof(tmp) - j); 1552 1553 hip = (struct usie_hip *)tmp; 1554 1555 DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", 1556 be16toh(hip->len), hip->id, hip->param); 1557 1558 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1559 1560 if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { 1561 cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); 1562 1563 if (j < (sizeof(struct usie_cns) + 1564 sizeof(struct usie_hip) + pad)) { 1565 DPRINTF("too little data\n"); 1566 break; 1567 } 1568 DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " 1569 "app=%08x, rsv1=%02x, len=%d\n", 1570 be16toh(cns->obj), cns->op, cns->rsv0, 1571 be32toh(cns->id), cns->rsv1, cns->len); 1572 1573 if (cns->op & USIE_CNS_OP_ERR) 1574 DPRINTF("CnS error response\n"); 1575 else 1576 usie_cns_rsp(sc, cns); 1577 1578 i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); 1579 j = cns->len; 1580 } else { 1581 i = sizeof(struct usie_hip) + pad; 1582 j = be16toh(hip->len); 1583 } 1584 #ifdef USB_DEBUG 1585 if (usie_debug == 0) 1586 continue; 1587 1588 while (i < USIE_HIPCNS_MAX && j > 0) { 1589 DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); 1590 i++; 1591 j--; 1592 } 1593 #endif 1594 } 1595 } 1596 1597 static int 1598 usie_driver_loaded(struct module *mod, int what, void *arg) 1599 { 1600 switch (what) { 1601 case MOD_LOAD: 1602 /* register autoinstall handler */ 1603 usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 1604 usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); 1605 break; 1606 case MOD_UNLOAD: 1607 EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); 1608 break; 1609 default: 1610 return (EOPNOTSUPP); 1611 } 1612 return (0); 1613 } 1614 1615