if_usie.c revision 223864
1/*- 2 * Copyright (c) 2011 Anybots Inc 3 * written by Akinori Furukoshi <moonlightakkiy@yahoo.ca> 4 * reviewed by Hans Petter Selasky <hselasky@freebsd.org> 5 * - ucom part is based on u3g.c 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__FBSDID("$FreeBSD: head/sys/dev/usb/net/if_usie.c 223864 2011-07-08 10:58:56Z hselasky $"); 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/queue.h> 35#include <sys/systm.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 <machine/bus.h> 49 50#include <net/if.h> 51#include <net/if_types.h> 52#include <net/netisr.h> 53#include <net/bpf.h> 54#include <net/ethernet.h> 55 56#include <netinet/in.h> 57#include <netinet/ip.h> 58#include <netinet/ip6.h> 59#include <netinet/udp.h> 60 61#include <net80211/ieee80211_ioctl.h> 62 63#include <dev/usb/usb.h> 64#include <dev/usb/usbdi.h> 65#include <dev/usb/usbdi_util.h> 66#include <dev/usb/usb_cdc.h> 67#include "usbdevs.h" 68 69#define USB_DEBUG_VAR usie_debug 70#include <dev/usb/usb_debug.h> 71#include <dev/usb/usb_process.h> 72#include <dev/usb/usb_msctest.h> 73 74#include <dev/usb/serial/usb_serial.h> 75 76#include <dev/usb/net/if_usievar.h> 77 78#ifdef USB_DEBUG 79static int usie_debug = 0; 80 81SYSCTL_NODE(_hw_usb, OID_AUTO, usie, CTLFLAG_RW, 0, "sierra USB modem"); 82SYSCTL_INT(_hw_usb_usie, OID_AUTO, debug, CTLFLAG_RW, &usie_debug, 0, 83 "usie debug level"); 84#endif 85 86/* Sierra Wireless Direct IP modems */ 87static const STRUCT_USB_HOST_ID usie_devs[] = { 88#define USIE_DEV(v, d) { \ 89 USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##d) } 90 USIE_DEV(SIERRA, MC8700), 91 USIE_DEV(SIERRA, TRUINSTALL), 92 USIE_DEV(AIRPRIME, USB308), 93#undef USIE_DEV 94}; 95 96static device_probe_t usie_probe; 97static device_attach_t usie_attach; 98static device_detach_t usie_detach; 99 100static void usie_uc_update_line_state(struct ucom_softc *, uint8_t); 101static void usie_uc_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 102static void usie_uc_cfg_set_dtr(struct ucom_softc *, uint8_t); 103static void usie_uc_cfg_set_rts(struct ucom_softc *, uint8_t); 104static void usie_uc_cfg_open(struct ucom_softc *); 105static void usie_uc_cfg_close(struct ucom_softc *); 106static void usie_uc_start_read(struct ucom_softc *); 107static void usie_uc_stop_read(struct ucom_softc *); 108static void usie_uc_start_write(struct ucom_softc *); 109static void usie_uc_stop_write(struct ucom_softc *); 110 111static usb_callback_t usie_uc_tx_callback; 112static usb_callback_t usie_uc_rx_callback; 113static usb_callback_t usie_uc_status_callback; 114static usb_callback_t usie_if_tx_callback; 115static usb_callback_t usie_if_rx_callback; 116static usb_callback_t usie_if_status_callback; 117 118static void usie_if_sync_to(void *); 119static void usie_if_sync_cb(void *, int); 120static void usie_if_status_cb(void *, int); 121 122static void usie_if_start(struct ifnet *); 123static int usie_if_output(struct ifnet *, struct mbuf *, struct sockaddr *, struct route *); 124static void usie_if_init(void *); 125static void usie_if_stop(struct usie_softc *); 126static int usie_if_ioctl(struct ifnet *, u_long, caddr_t); 127 128static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); 129static int usie_if_cmd(struct usie_softc *, uint8_t); 130static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); 131static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); 132static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); 133static int usie_driver_loaded(struct module *, int, void *); 134 135static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { 136 [USIE_UC_STATUS] = { 137 .type = UE_INTERRUPT, 138 .endpoint = UE_ADDR_ANY, 139 .direction = UE_DIR_IN, 140 .bufsize = 0, /* use wMaxPacketSize */ 141 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 142 .callback = &usie_uc_status_callback, 143 }, 144 [USIE_UC_RX] = { 145 .type = UE_BULK, 146 .endpoint = UE_ADDR_ANY, 147 .direction = UE_DIR_IN, 148 .bufsize = USIE_BUFSIZE, 149 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, 150 .callback = &usie_uc_rx_callback, 151 }, 152 [USIE_UC_TX] = { 153 .type = UE_BULK, 154 .endpoint = UE_ADDR_ANY, 155 .direction = UE_DIR_OUT, 156 .bufsize = USIE_BUFSIZE, 157 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 158 .callback = &usie_uc_tx_callback, 159 } 160}; 161 162static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { 163 [USIE_IF_STATUS] = { 164 .type = UE_INTERRUPT, 165 .endpoint = UE_ADDR_ANY, 166 .direction = UE_DIR_IN, 167 .bufsize = 0, /* use wMaxPacketSize */ 168 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 169 .callback = &usie_if_status_callback, 170 }, 171 [USIE_IF_RX] = { 172 .type = UE_BULK, 173 .endpoint = UE_ADDR_ANY, 174 .direction = UE_DIR_IN, 175 .bufsize = USIE_BUFSIZE, 176 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 177 .callback = &usie_if_rx_callback, 178 }, 179 [USIE_IF_TX] = { 180 .type = UE_BULK, 181 .endpoint = UE_ADDR_ANY, 182 .direction = UE_DIR_OUT, 183 .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), 184 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 185 .callback = &usie_if_tx_callback, 186 } 187}; 188 189static device_method_t usie_methods[] = { 190 DEVMETHOD(device_probe, usie_probe), 191 DEVMETHOD(device_attach, usie_attach), 192 DEVMETHOD(device_detach, usie_detach), 193 {0, 0} 194}; 195 196static driver_t usie_driver = { 197 .name = "usie", 198 .methods = usie_methods, 199 .size = sizeof(struct usie_softc), 200}; 201 202static devclass_t usie_devclass; 203static eventhandler_tag usie_etag; 204 205DRIVER_MODULE(usie, uhub, usie_driver, usie_devclass, usie_driver_loaded, 0); 206MODULE_DEPEND(usie, ucom, 1, 1, 1); 207MODULE_DEPEND(usie, usb, 1, 1, 1); 208MODULE_VERSION(usie, 1); 209 210static const struct ucom_callback usie_uc_callback = { 211 .ucom_cfg_get_status = &usie_uc_cfg_get_status, 212 .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, 213 .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, 214 .ucom_cfg_open = &usie_uc_cfg_open, 215 .ucom_cfg_close = &usie_uc_cfg_close, 216 .ucom_start_read = &usie_uc_start_read, 217 .ucom_stop_read = &usie_uc_stop_read, 218 .ucom_start_write = &usie_uc_start_write, 219 .ucom_stop_write = &usie_uc_stop_write, 220}; 221 222static void 223usie_autoinst(void *arg, struct usb_device *udev, 224 struct usb_attach_arg *uaa) 225{ 226 struct usb_interface *iface; 227 struct usb_interface_descriptor *id; 228 struct usb_device_request req; 229 int err; 230 231 if (uaa->dev_state != UAA_DEV_READY) 232 return; 233 234 iface = usbd_get_iface(udev, 0); 235 if (iface == NULL) 236 return; 237 238 id = iface->idesc; 239 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 240 return; 241 242 if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) 243 return; /* no device match */ 244 245 if (bootverbose) { 246 DPRINTF("Ejecting %s %s\n", 247 usb_get_manufacturer(udev), 248 usb_get_product(udev)); 249 } 250 req.bmRequestType = UT_VENDOR; 251 req.bRequest = UR_SET_INTERFACE; 252 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 253 USETW(req.wIndex, UHF_PORT_CONNECTION); 254 USETW(req.wLength, 0); 255 256 /* at this moment there is no mutex */ 257 err = usbd_do_request_flags(udev, NULL, &req, 258 NULL, 0, NULL, 250 /* ms */ ); 259 260 /* success, mark the udev as disappearing */ 261 if (err == 0) 262 uaa->dev_state = UAA_DEV_EJECTING; 263} 264 265static int 266usie_probe(device_t self) 267{ 268 struct usb_attach_arg *uaa = device_get_ivars(self); 269 270 if (uaa->usb_mode != USB_MODE_HOST) 271 return (ENXIO); 272 if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) 273 return (ENXIO); 274 if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) 275 return (ENXIO); 276 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) 277 return (ENXIO); 278 279 return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); 280} 281 282static int 283usie_attach(device_t self) 284{ 285 struct usie_softc *sc = device_get_softc(self); 286 struct usb_attach_arg *uaa = device_get_ivars(self); 287 struct ifnet *ifp; 288 struct usb_interface *iface; 289 struct usb_interface_descriptor *id; 290 struct usb_device_request req; 291 int err; 292 uint16_t fwattr; 293 uint8_t iface_index; 294 uint8_t ifidx; 295 uint8_t start; 296 297 device_set_usb_desc(self); 298 sc->sc_udev = uaa->device; 299 sc->sc_dev = self; 300 301 mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); 302 303 TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); 304 TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); 305 306 usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); 307 308 mtx_lock(&sc->sc_mtx); 309 310 /* set power mode to D0 */ 311 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 312 req.bRequest = USIE_POWER; 313 USETW(req.wValue, 0); 314 USETW(req.wIndex, 0); 315 USETW(req.wLength, 0); 316 if (usie_do_request(sc, &req, NULL)) { 317 mtx_unlock(&sc->sc_mtx); 318 goto detach; 319 } 320 /* read fw attr */ 321 fwattr = 0; 322 req.bmRequestType = UT_READ_VENDOR_DEVICE; 323 req.bRequest = USIE_FW_ATTR; 324 USETW(req.wValue, 0); 325 USETW(req.wIndex, 0); 326 USETW(req.wLength, sizeof(fwattr)); 327 if (usie_do_request(sc, &req, &fwattr)) { 328 mtx_unlock(&sc->sc_mtx); 329 goto detach; 330 } 331 mtx_unlock(&sc->sc_mtx); 332 333 /* check DHCP supports */ 334 DPRINTF("fwattr=%x\n", fwattr); 335 if (!(fwattr & USIE_FW_DHCP)) { 336 device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); 337 } 338 339 /* find available interfaces */ 340 sc->sc_nucom = 0; 341 for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { 342 iface = usbd_get_iface(uaa->device, ifidx); 343 if (iface == NULL) 344 break; 345 346 id = usbd_get_interface_descriptor(iface); 347 if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) 348 continue; 349 350 /* setup Direct IP transfer */ 351 if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { 352 sc->sc_if_ifnum = id->bInterfaceNumber; 353 iface_index = ifidx; 354 355 DPRINTF("ifnum=%d, ifidx=%d\n", 356 sc->sc_if_ifnum, ifidx); 357 358 err = usbd_transfer_setup(uaa->device, 359 &iface_index, sc->sc_if_xfer, usie_if_config, 360 USIE_IF_N_XFER, sc, &sc->sc_mtx); 361 362 if (err == 0) 363 continue; 364 365 device_printf(self, 366 "could not allocate USB transfers on " 367 "iface_index=%d, err=%s\n", 368 iface_index, usbd_errstr(err)); 369 goto detach; 370 } 371 372 /* setup ucom */ 373 if (sc->sc_nucom >= USIE_UCOM_MAX) 374 continue; 375 376 usbd_set_parent_iface(uaa->device, ifidx, 377 uaa->info.bIfaceIndex); 378 379 DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", 380 id->bNumEndpoints, id->bInterfaceNumber); 381 382 if (id->bNumEndpoints == 2) { 383 sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; 384 start = 1; 385 } else 386 start = 0; 387 388 err = usbd_transfer_setup(uaa->device, &ifidx, 389 sc->sc_uc_xfer[sc->sc_nucom] + start, 390 usie_uc_config + start, USIE_UC_N_XFER - start, 391 &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); 392 393 if (err != 0) { 394 DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); 395 continue; 396 } 397 398 mtx_lock(&sc->sc_mtx); 399 for (; start < USIE_UC_N_XFER; start++) 400 usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); 401 mtx_unlock(&sc->sc_mtx); 402 403 sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; 404 405 sc->sc_nucom++; /* found a port */ 406 } 407 408 if (sc->sc_nucom == 0) { 409 device_printf(self, "no comports found\n"); 410 goto detach; 411 } 412 413 err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 414 sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); 415 416 if (err != 0) { 417 DPRINTF("ucom_attach failed\n"); 418 goto detach; 419 } 420 DPRINTF("Found %d interfaces.\n", sc->sc_nucom); 421 422 /* setup ifnet (Direct IP) */ 423 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 424 425 if (ifp == NULL) { 426 device_printf(self, "Could not allocate a network interface\n"); 427 goto detach; 428 } 429 if_initname(ifp, "usie", device_get_unit(self)); 430 431 ifp->if_softc = sc; 432 ifp->if_mtu = USIE_MTU_MAX; 433 ifp->if_flags |= IFF_NOARP; 434 ifp->if_init = usie_if_init; 435 ifp->if_ioctl = usie_if_ioctl; 436 ifp->if_start = usie_if_start; 437 ifp->if_output = usie_if_output; 438 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 439 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 440 IFQ_SET_READY(&ifp->if_snd); 441 442 if_attach(ifp); 443 bpfattach(ifp, DLT_RAW, 0); 444 445 if (fwattr & USIE_PM_AUTO) { 446 usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); 447 DPRINTF("enabling automatic suspend and resume\n"); 448 } else { 449 usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); 450 DPRINTF("USB power is always ON\n"); 451 } 452 453 DPRINTF("device attached\n"); 454 return (0); 455 456detach: 457 usie_detach(self); 458 return (ENOMEM); 459} 460 461static int 462usie_detach(device_t self) 463{ 464 struct usie_softc *sc = device_get_softc(self); 465 uint8_t x; 466 467 /* detach ifnet */ 468 if (sc->sc_ifp != NULL) { 469 usie_if_stop(sc); 470 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 471 bpfdetach(sc->sc_ifp); 472 if_detach(sc->sc_ifp); 473 if_free(sc->sc_ifp); 474 sc->sc_ifp = NULL; 475 } 476 /* detach ucom */ 477 if (sc->sc_nucom > 0) 478 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 479 480 /* stop all USB transfers */ 481 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 482 483 for (x = 0; x != USIE_UCOM_MAX; x++) 484 usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); 485 486 mtx_destroy(&sc->sc_mtx); 487 488 return (0); 489} 490 491static void 492usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 493{ 494 struct usie_softc *sc = ucom->sc_parent; 495 struct usb_device_request req; 496 497 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 498 return; 499 500 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 501 req.bRequest = USIE_LINK_STATE; 502 USETW(req.wValue, ls); 503 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 504 USETW(req.wLength, 0); 505 506 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 507 508 usie_do_request(sc, &req, NULL); 509} 510 511static void 512usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 513{ 514 struct usie_softc *sc = ucom->sc_parent; 515 516 *msr = sc->sc_msr; 517 *lsr = sc->sc_lsr; 518} 519 520static void 521usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 522{ 523 uint8_t dtr; 524 525 dtr = flag ? USIE_LS_DTR : 0; 526 usie_uc_update_line_state(ucom, dtr); 527} 528 529static void 530usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 531{ 532 uint8_t rts; 533 534 rts = flag ? USIE_LS_RTS : 0; 535 usie_uc_update_line_state(ucom, rts); 536} 537 538static void 539usie_uc_cfg_open(struct ucom_softc *ucom) 540{ 541 struct usie_softc *sc = ucom->sc_parent; 542 543 /* usbd_transfer_start() is NULL safe */ 544 545 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 546} 547 548static void 549usie_uc_cfg_close(struct ucom_softc *ucom) 550{ 551 struct usie_softc *sc = ucom->sc_parent; 552 553 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 554} 555 556static void 557usie_uc_start_read(struct ucom_softc *ucom) 558{ 559 struct usie_softc *sc = ucom->sc_parent; 560 561 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 562} 563 564static void 565usie_uc_stop_read(struct ucom_softc *ucom) 566{ 567 struct usie_softc *sc = ucom->sc_parent; 568 569 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 570} 571 572static void 573usie_uc_start_write(struct ucom_softc *ucom) 574{ 575 struct usie_softc *sc = ucom->sc_parent; 576 577 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 578} 579 580static void 581usie_uc_stop_write(struct ucom_softc *ucom) 582{ 583 struct usie_softc *sc = ucom->sc_parent; 584 585 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 586} 587 588static void 589usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 590{ 591 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 592 struct usie_softc *sc = ucom->sc_parent; 593 struct usb_page_cache *pc; 594 uint32_t actlen; 595 596 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 597 598 switch (USB_GET_STATE(xfer)) { 599 case USB_ST_TRANSFERRED: 600 pc = usbd_xfer_get_frame(xfer, 0); 601 602 /* handle CnS response */ 603 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 604 605 DPRINTF("transferred=%u\n", actlen); 606 607 /* check if it is really CnS reply */ 608 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 609 610 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 611 612 /* verify actlen */ 613 if (actlen > USIE_BUFSIZE) 614 actlen = USIE_BUFSIZE; 615 616 /* get complete message */ 617 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 618 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 619 620 /* need to fall though */ 621 goto tr_setup; 622 } 623 /* else call ucom_put_data() */ 624 } 625 /* standard ucom transfer */ 626 ucom_put_data(ucom, pc, 0, actlen); 627 628 /* fall though */ 629 case USB_ST_SETUP: 630tr_setup: 631 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 632 usbd_transfer_submit(xfer); 633 break; 634 635 default: /* Error */ 636 if (error != USB_ERR_CANCELLED) { 637 usbd_xfer_set_stall(xfer); 638 goto tr_setup; 639 } 640 break; 641 } 642} 643 644static void 645usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 646{ 647 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 648 struct usb_page_cache *pc; 649 uint32_t actlen; 650 651 switch (USB_GET_STATE(xfer)) { 652 case USB_ST_TRANSFERRED: 653 case USB_ST_SETUP: 654tr_setup: 655 pc = usbd_xfer_get_frame(xfer, 0); 656 657 /* handle CnS request */ 658 struct mbuf *m = usbd_xfer_get_priv(xfer); 659 660 if (m != NULL) { 661 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 662 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 663 usbd_xfer_set_priv(xfer, NULL); 664 usbd_transfer_submit(xfer); 665 m_freem(m); 666 break; 667 } 668 /* standard ucom transfer */ 669 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 670 usbd_xfer_set_frame_len(xfer, 0, actlen); 671 usbd_transfer_submit(xfer); 672 } 673 break; 674 675 default: /* Error */ 676 if (error != USB_ERR_CANCELLED) { 677 usbd_xfer_set_stall(xfer); 678 goto tr_setup; 679 } 680 break; 681 } 682} 683 684static void 685usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 686{ 687 struct usb_page_cache *pc; 688 struct { 689 struct usb_device_request req; 690 uint16_t param; 691 } st; 692 uint32_t actlen; 693 uint16_t param; 694 695 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 696 697 switch (USB_GET_STATE(xfer)) { 698 case USB_ST_TRANSFERRED: 699 DPRINTFN(4, "info received, actlen=%u\n", actlen); 700 701 if (actlen < sizeof(st)) { 702 DPRINTF("data too short actlen=%u\n", actlen); 703 goto tr_setup; 704 } 705 pc = usbd_xfer_get_frame(xfer, 0); 706 usbd_copy_out(pc, 0, &st, sizeof(st)); 707 708 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 709 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 710 struct usie_softc *sc = ucom->sc_parent; 711 712 param = le16toh(st.param); 713 DPRINTF("param=%x\n", param); 714 sc->sc_msr = sc->sc_lsr = 0; 715 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 716 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 717 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 718 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 719 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 720 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 721 } 722 /* fall though */ 723 case USB_ST_SETUP: 724tr_setup: 725 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 726 usbd_transfer_submit(xfer); 727 break; 728 729 default: /* Error */ 730 DPRINTF("USB transfer error, %s\n", 731 usbd_errstr(error)); 732 733 if (error != USB_ERR_CANCELLED) { 734 usbd_xfer_set_stall(xfer); 735 goto tr_setup; 736 } 737 break; 738 } 739} 740 741static void 742usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 743{ 744 struct usie_softc *sc = usbd_xfer_softc(xfer); 745 struct ifnet *ifp = sc->sc_ifp; 746 struct mbuf *m0; 747 struct mbuf *m = NULL; 748 struct usie_desc *rxd; 749 uint32_t actlen; 750 uint16_t err; 751 uint16_t pkt; 752 uint16_t ipl; 753 uint16_t len; 754 uint16_t diff; 755 uint8_t pad; 756 uint8_t ipv; 757 758 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 759 760 switch (USB_GET_STATE(xfer)) { 761 case USB_ST_TRANSFERRED: 762 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 763 764 if (actlen < sizeof(struct usie_hip)) { 765 DPRINTF("data too short %u\n", actlen); 766 goto tr_setup; 767 } 768 m = sc->sc_rxm; 769 sc->sc_rxm = NULL; 770 771 /* fall though */ 772 case USB_ST_SETUP: 773tr_setup: 774 775 if (sc->sc_rxm == NULL) { 776 sc->sc_rxm = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, 777 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 778 } 779 if (sc->sc_rxm == NULL) { 780 DPRINTF("could not allocate Rx mbuf\n"); 781 ifp->if_ierrors++; 782 usbd_xfer_set_stall(xfer); 783 usbd_xfer_set_frames(xfer, 0); 784 } else { 785 /* 786 * Directly loading a mbuf cluster into DMA to 787 * save some data copying. This works because 788 * there is only one cluster. 789 */ 790 usbd_xfer_set_frame_data(xfer, 0, 791 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 792 usbd_xfer_set_frames(xfer, 1); 793 } 794 usbd_transfer_submit(xfer); 795 break; 796 797 default: /* Error */ 798 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 799 800 if (error != USB_ERR_CANCELLED) { 801 /* try to clear stall first */ 802 usbd_xfer_set_stall(xfer); 803 ifp->if_ierrors++; 804 goto tr_setup; 805 } 806 if (sc->sc_rxm != NULL) { 807 m_freem(sc->sc_rxm); 808 sc->sc_rxm = NULL; 809 } 810 break; 811 } 812 813 if (m == NULL) 814 return; 815 816 mtx_unlock(&sc->sc_mtx); 817 818 m->m_pkthdr.len = m->m_len = actlen; 819 820 err = pkt = 0; 821 822 /* HW can aggregate multiple frames in a single USB xfer */ 823 for (;;) { 824 rxd = mtod(m, struct usie_desc *); 825 826 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 827 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 828 ipl = (len - pad - ETHER_HDR_LEN); 829 if (ipl >= len) { 830 DPRINTF("Corrupt frame\n"); 831 m_freem(m); 832 break; 833 } 834 diff = sizeof(struct usie_desc) + ipl + pad; 835 836 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 837 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 838 DPRINTF("received wrong type of packet\n"); 839 m->m_data += diff; 840 m->m_pkthdr.len = (m->m_len -= diff); 841 err++; 842 if (m->m_pkthdr.len > 0) 843 continue; 844 m_freem(m); 845 break; 846 } 847 switch (be16toh(rxd->ethhdr.ether_type)) { 848 case ETHERTYPE_IP: 849 ipv = NETISR_IP; 850 break; 851#ifdef INET6 852 case ETHERTYPE_IPV6: 853 ipv = NETISR_IPV6; 854 break; 855#endif 856 default: 857 DPRINTF("unsupported ether type\n"); 858 err++; 859 break; 860 } 861 862 /* the last packet */ 863 if (m->m_pkthdr.len <= diff) { 864 m->m_data += (sizeof(struct usie_desc) + pad); 865 m->m_pkthdr.len = m->m_len = ipl; 866 m->m_pkthdr.rcvif = ifp; 867 BPF_MTAP(sc->sc_ifp, m); 868 netisr_dispatch(ipv, m); 869 break; 870 } 871 /* copy aggregated frames to another mbuf */ 872 m0 = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 873 if (__predict_false(m0 == NULL)) { 874 DPRINTF("could not allocate mbuf\n"); 875 err++; 876 m_freem(m); 877 break; 878 } 879 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 880 m0->m_pkthdr.rcvif = ifp; 881 m0->m_pkthdr.len = m0->m_len = ipl; 882 883 BPF_MTAP(sc->sc_ifp, m0); 884 netisr_dispatch(ipv, m0); 885 886 m->m_data += diff; 887 m->m_pkthdr.len = (m->m_len -= diff); 888 } 889 890 mtx_lock(&sc->sc_mtx); 891 892 ifp->if_ierrors += err; 893 ifp->if_ipackets += pkt; 894} 895 896static void 897usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) 898{ 899 struct usie_softc *sc = usbd_xfer_softc(xfer); 900 struct usb_page_cache *pc; 901 struct ifnet *ifp = sc->sc_ifp; 902 struct mbuf *m; 903 uint16_t size; 904 905 switch (USB_GET_STATE(xfer)) { 906 case USB_ST_TRANSFERRED: 907 DPRINTFN(11, "transfer complete\n"); 908 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 909 ifp->if_opackets++; 910 911 /* fall though */ 912 case USB_ST_SETUP: 913tr_setup: 914 915 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 916 break; 917 918 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 919 if (m == NULL) 920 break; 921 922 if (m->m_pkthdr.len > (MCLBYTES - ETHER_HDR_LEN + 923 ETHER_CRC_LEN - sizeof(sc->sc_txd))) { 924 DPRINTF("packet len is too big: %d\n", 925 m->m_pkthdr.len); 926 break; 927 } 928 pc = usbd_xfer_get_frame(xfer, 0); 929 930 sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + 931 ETHER_HDR_LEN + ETHER_CRC_LEN); 932 size = sizeof(sc->sc_txd); 933 934 usbd_copy_in(pc, 0, &sc->sc_txd, size); 935 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 936 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + 937 size + ETHER_CRC_LEN); 938 939 BPF_MTAP(ifp, m); 940 941 m_freem(m); 942 943 usbd_transfer_submit(xfer); 944 break; 945 946 default: /* Error */ 947 DPRINTF("USB transfer error, %s\n", 948 usbd_errstr(error)); 949 ifp->if_oerrors++; 950 951 if (error != USB_ERR_CANCELLED) { 952 usbd_xfer_set_stall(xfer); 953 ifp->if_ierrors++; 954 goto tr_setup; 955 } 956 break; 957 } 958} 959 960static void 961usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) 962{ 963 struct usie_softc *sc = usbd_xfer_softc(xfer); 964 struct usb_page_cache *pc; 965 struct usb_cdc_notification cdc; 966 uint32_t actlen; 967 968 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 969 970 switch (USB_GET_STATE(xfer)) { 971 case USB_ST_TRANSFERRED: 972 DPRINTFN(4, "info received, actlen=%d\n", actlen); 973 974 /* usb_cdc_notification - .data[16] */ 975 if (actlen < (sizeof(cdc) - 16)) { 976 DPRINTF("data too short %d\n", actlen); 977 goto tr_setup; 978 } 979 pc = usbd_xfer_get_frame(xfer, 0); 980 usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); 981 982 DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); 983 984 if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { 985 taskqueue_enqueue(taskqueue_thread, 986 &sc->sc_if_status_task); 987 } 988 /* fall though */ 989 case USB_ST_SETUP: 990tr_setup: 991 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 992 usbd_transfer_submit(xfer); 993 break; 994 995 default: /* Error */ 996 DPRINTF("USB transfer error, %s\n", 997 usbd_errstr(error)); 998 999 if (error != USB_ERR_CANCELLED) { 1000 usbd_xfer_set_stall(xfer); 1001 goto tr_setup; 1002 } 1003 break; 1004 } 1005} 1006 1007static void 1008usie_if_sync_to(void *arg) 1009{ 1010 struct usie_softc *sc = arg; 1011 1012 taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); 1013} 1014 1015static void 1016usie_if_sync_cb(void *arg, int pending) 1017{ 1018 struct usie_softc *sc = arg; 1019 1020 mtx_lock(&sc->sc_mtx); 1021 1022 /* call twice */ 1023 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1024 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1025 1026 usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); 1027 1028 mtx_unlock(&sc->sc_mtx); 1029} 1030 1031static void 1032usie_if_status_cb(void *arg, int pending) 1033{ 1034 struct usie_softc *sc = arg; 1035 struct ifnet *ifp = sc->sc_ifp; 1036 struct usb_device_request req; 1037 struct usie_hip *hip; 1038 struct usie_lsi *lsi; 1039 uint16_t actlen; 1040 uint8_t ntries; 1041 uint8_t pad; 1042 1043 mtx_lock(&sc->sc_mtx); 1044 1045 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1046 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1047 USETW(req.wValue, 0); 1048 USETW(req.wIndex, sc->sc_if_ifnum); 1049 USETW(req.wLength, sizeof(sc->sc_status_temp)); 1050 1051 for (ntries = 0; ntries != 10; ntries++) { 1052 int err; 1053 1054 err = usbd_do_request_flags(sc->sc_udev, 1055 &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, 1056 &actlen, USB_DEFAULT_TIMEOUT); 1057 1058 if (err == 0) 1059 break; 1060 1061 DPRINTF("Control request failed: %s %d/10\n", 1062 usbd_errstr(err), ntries); 1063 1064 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1065 } 1066 1067 if (ntries == 10) { 1068 mtx_unlock(&sc->sc_mtx); 1069 DPRINTF("Timeout\n"); 1070 return; 1071 } 1072 1073 hip = (struct usie_hip *)sc->sc_status_temp; 1074 1075 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1076 1077 DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", 1078 hip->id, be16toh(hip->len), actlen, pad); 1079 1080 switch (hip->id & USIE_HIP_MASK) { 1081 case USIE_HIP_SYNC2H: 1082 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1083 break; 1084 case USIE_HIP_RESTR: 1085 usb_callout_stop(&sc->sc_if_sync_ch); 1086 break; 1087 case USIE_HIP_UMTS: 1088 lsi = (struct usie_lsi *)( 1089 sc->sc_status_temp + sizeof(struct usie_hip) + pad); 1090 1091 DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, 1092 be16toh(lsi->len)); 1093 1094 if (lsi->proto != USIE_LSI_UMTS) 1095 break; 1096 1097 if (lsi->area == USIE_LSI_AREA_NO || 1098 lsi->area == USIE_LSI_AREA_NODATA) { 1099 device_printf(sc->sc_dev, "no service available\n"); 1100 break; 1101 } 1102 if (lsi->state == USIE_LSI_STATE_IDLE) { 1103 DPRINTF("lsi.state=%x\n", lsi->state); 1104 break; 1105 } 1106 DPRINTF("ctx=%x\n", hip->param); 1107 sc->sc_txd.hip.param = hip->param; 1108 1109 sc->sc_net.addr_len = lsi->pdp_addr_len; 1110 memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); 1111 memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); 1112 memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); 1113 memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); 1114 ifp->if_flags |= IFF_UP; 1115 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1116 1117 device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", 1118 *lsi->pdp_addr, *(lsi->pdp_addr + 1), 1119 *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); 1120 device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", 1121 *lsi->gw_addr, *(lsi->gw_addr + 1), 1122 *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); 1123 device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", 1124 *lsi->dns1_addr, *(lsi->dns1_addr + 1), 1125 *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); 1126 device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", 1127 *lsi->dns2_addr, *(lsi->dns2_addr + 1), 1128 *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); 1129 1130 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1131 break; 1132 1133 case USIE_HIP_RCGI: 1134 /* ignore, workaround for sloppy windows */ 1135 break; 1136 default: 1137 DPRINTF("undefined msgid: %x\n", hip->id); 1138 break; 1139 } 1140 1141 mtx_unlock(&sc->sc_mtx); 1142} 1143 1144static void 1145usie_if_start(struct ifnet *ifp) 1146{ 1147 struct usie_softc *sc = ifp->if_softc; 1148 1149 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1150 DPRINTF("Not running\n"); 1151 return; 1152 } 1153 mtx_lock(&sc->sc_mtx); 1154 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); 1155 mtx_unlock(&sc->sc_mtx); 1156 1157 DPRINTFN(3, "interface started\n"); 1158} 1159 1160static int 1161usie_if_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, 1162 struct route *ro) 1163{ 1164 int err; 1165 1166 DPRINTF("proto=%x\n", dst->sa_family); 1167 1168 switch (dst->sa_family) { 1169#ifdef INET6 1170 case AF_INET6; 1171 /* fall though */ 1172#endif 1173 case AF_INET: 1174 break; 1175 1176 /* silently drop dhclient packets */ 1177 case AF_UNSPEC: 1178 m_freem(m); 1179 return (0); 1180 1181 /* drop other packet types */ 1182 default: 1183 m_freem(m); 1184 return (EAFNOSUPPORT); 1185 } 1186 1187 err = (ifp->if_transmit)(ifp, m); 1188 if (err) { 1189 ifp->if_oerrors++; 1190 return (ENOBUFS); 1191 } 1192 ifp->if_opackets++; 1193 1194 return (0); 1195} 1196 1197static void 1198usie_if_init(void *arg) 1199{ 1200 struct usie_softc *sc = arg; 1201 struct ifnet *ifp = sc->sc_ifp; 1202 uint8_t i; 1203 1204 mtx_lock(&sc->sc_mtx); 1205 1206 /* write tx descriptor */ 1207 sc->sc_txd.hip.id = USIE_HIP_CTX; 1208 sc->sc_txd.hip.param = 0; /* init value */ 1209 sc->sc_txd.desc_type = htobe16(USIE_IP_TX); 1210 1211 for (i = 0; i != USIE_IF_N_XFER; i++) 1212 usbd_xfer_set_stall(sc->sc_if_xfer[i]); 1213 1214 usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); 1215 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); 1216 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); 1217 1218 /* if not running, initiate the modem */ 1219 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1220 usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); 1221 1222 mtx_unlock(&sc->sc_mtx); 1223 1224 DPRINTF("ifnet initialized\n"); 1225} 1226 1227static void 1228usie_if_stop(struct usie_softc *sc) 1229{ 1230 usb_callout_drain(&sc->sc_if_sync_ch); 1231 1232 mtx_lock(&sc->sc_mtx); 1233 1234 /* usie_cns_req() clears IFF_* flags */ 1235 usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); 1236 1237 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); 1238 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); 1239 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); 1240 1241 /* shutdown device */ 1242 usie_if_cmd(sc, USIE_HIP_DOWN); 1243 1244 mtx_unlock(&sc->sc_mtx); 1245} 1246 1247static int 1248usie_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1249{ 1250 struct usie_softc *sc = ifp->if_softc; 1251 struct ieee80211req *ireq; 1252 struct ieee80211req_sta_info si; 1253 struct ifmediareq *ifmr; 1254 1255 switch (cmd) { 1256 case SIOCSIFFLAGS: 1257 if (ifp->if_flags & IFF_UP) { 1258 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1259 usie_if_init(sc); 1260 } else { 1261 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1262 usie_if_stop(sc); 1263 } 1264 break; 1265 1266 case SIOCSIFCAP: 1267 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1268 device_printf(sc->sc_dev, 1269 "Connect to the network first.\n"); 1270 break; 1271 } 1272 mtx_lock(&sc->sc_mtx); 1273 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1274 mtx_unlock(&sc->sc_mtx); 1275 break; 1276 1277 case SIOCG80211: 1278 ireq = (struct ieee80211req *)data; 1279 1280 if (ireq->i_type != IEEE80211_IOC_STA_INFO) 1281 break; 1282 1283 memset(&si, 0, sizeof(si)); 1284 si.isi_len = sizeof(si); 1285 /* 1286 * ifconfig expects RSSI in 0.5dBm units 1287 * relative to the noise floor. 1288 */ 1289 si.isi_rssi = 2 * sc->sc_rssi; 1290 if (copyout(&si, (uint8_t *)ireq->i_data + 8, 1291 sizeof(struct ieee80211req_sta_info))) 1292 DPRINTF("copyout failed\n"); 1293 DPRINTF("80211\n"); 1294 break; 1295 1296 case SIOCGIFMEDIA: /* to fool ifconfig */ 1297 ifmr = (struct ifmediareq *)data; 1298 ifmr->ifm_count = 1; 1299 DPRINTF("media\n"); 1300 break; 1301 1302 case SIOCSIFADDR: 1303 case SIOCSIFDSTADDR: 1304 break; 1305 1306 default: 1307 return (EINVAL); 1308 } 1309 return (0); 1310} 1311 1312static int 1313usie_do_request(struct usie_softc *sc, struct usb_device_request *req, 1314 void *data) 1315{ 1316 int err = 0; 1317 int ntries; 1318 1319 mtx_assert(&sc->sc_mtx, MA_OWNED); 1320 1321 for (ntries = 0; ntries != 10; ntries++) { 1322 err = usbd_do_request(sc->sc_udev, 1323 &sc->sc_mtx, req, data); 1324 if (err == 0) 1325 break; 1326 1327 DPRINTF("Control request failed: %s %d/10\n", 1328 usbd_errstr(err), ntries); 1329 1330 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1331 } 1332 return (err); 1333} 1334 1335static int 1336usie_if_cmd(struct usie_softc *sc, uint8_t cmd) 1337{ 1338 struct usb_device_request req; 1339 struct usie_hip msg; 1340 1341 msg.len = 0; 1342 msg.id = cmd; 1343 msg.param = 0; 1344 1345 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1346 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1347 USETW(req.wValue, 0); 1348 USETW(req.wIndex, sc->sc_if_ifnum); 1349 USETW(req.wLength, sizeof(msg)); 1350 1351 DPRINTF("cmd=%x\n", cmd); 1352 1353 return (usie_do_request(sc, &req, &msg)); 1354} 1355 1356static void 1357usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) 1358{ 1359 struct ifnet *ifp = sc->sc_ifp; 1360 struct mbuf *m; 1361 struct usb_xfer *xfer; 1362 struct usie_hip *hip; 1363 struct usie_cns *cns; 1364 uint8_t *param; 1365 uint8_t *tmp; 1366 uint8_t cns_len; 1367 1368 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1369 if (__predict_false(m == NULL)) { 1370 DPRINTF("could not allocate mbuf\n"); 1371 ifp->if_ierrors++; 1372 return; 1373 } 1374 /* to align usie_hip{} on 32 bit */ 1375 m->m_data += 3; 1376 param = mtod(m, uint8_t *); 1377 *param++ = USIE_HIP_FRM_CHR; 1378 hip = (struct usie_hip *)param; 1379 cns = (struct usie_cns *)(hip + 1); 1380 1381 tmp = param + USIE_HIPCNS_MIN - 2; 1382 1383 switch (obj) { 1384 case USIE_CNS_OB_LINK_UPDATE: 1385 cns_len = 2; 1386 cns->op = USIE_CNS_OP_SET; 1387 *tmp++ = 1; /* profile ID, always use 1 for now */ 1388 *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; 1389 break; 1390 1391 case USIE_CNS_OB_PROF_WRITE: 1392 cns_len = 245; 1393 cns->op = USIE_CNS_OP_SET; 1394 *tmp++ = 1; /* profile ID, always use 1 for now */ 1395 *tmp++ = 2; 1396 memcpy(tmp, &sc->sc_net, 34); 1397 memset(tmp + 35, 0, 245 - 36); 1398 tmp += 243; 1399 break; 1400 1401 case USIE_CNS_OB_RSSI: 1402 cns_len = 0; 1403 cns->op = USIE_CNS_OP_REQ; 1404 break; 1405 1406 default: 1407 DPRINTF("unsupported CnS object type\n"); 1408 return; 1409 } 1410 *tmp = USIE_HIP_FRM_CHR; 1411 1412 hip->len = htobe16(sizeof(struct usie_cns) + cns_len); 1413 hip->id = USIE_HIP_CNS2M; 1414 hip->param = 0; /* none for CnS */ 1415 1416 cns->obj = htobe16(obj); 1417 cns->id = htobe32(id); 1418 cns->len = cns_len; 1419 cns->rsv0 = cns->rsv1 = 0; /* always '0' */ 1420 1421 param = (uint8_t *)(cns + 1); 1422 1423 DPRINTF("param: %16D\n", param, ":"); 1424 1425 m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; 1426 1427 xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; 1428 1429 if (usbd_xfer_get_priv(xfer) == NULL) { 1430 usbd_xfer_set_priv(xfer, m); 1431 usbd_transfer_start(xfer); 1432 } else { 1433 DPRINTF("Dropped CNS event\n"); 1434 m_freem(m); 1435 } 1436} 1437 1438static void 1439usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) 1440{ 1441 struct ifnet *ifp = sc->sc_ifp; 1442 1443 DPRINTF("received CnS\n"); 1444 1445 switch (be16toh(cns->obj)) { 1446 case USIE_CNS_OB_LINK_UPDATE: 1447 if (be32toh(cns->id) & USIE_CNS_ID_INIT) 1448 usie_if_sync_to(sc); 1449 else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { 1450 ifp->if_flags &= ~IFF_UP; 1451 ifp->if_drv_flags &= 1452 ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1453 } else 1454 DPRINTF("undefined link update\n"); 1455 break; 1456 1457 case USIE_CNS_OB_RSSI: 1458 sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); 1459 if (sc->sc_rssi <= 0) 1460 device_printf(sc->sc_dev, "No signal\n"); 1461 else { 1462 device_printf(sc->sc_dev, "RSSI=%ddBm\n", 1463 sc->sc_rssi - 110); 1464 } 1465 break; 1466 1467 case USIE_CNS_OB_PROF_WRITE: 1468 break; 1469 1470 case USIE_CNS_OB_PDP_READ: 1471 break; 1472 1473 default: 1474 DPRINTF("undefined CnS\n"); 1475 break; 1476 } 1477} 1478 1479static void 1480usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) 1481{ 1482 struct usie_hip *hip; 1483 struct usie_cns *cns; 1484 uint32_t i; 1485 uint32_t j; 1486 uint32_t off; 1487 uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); 1488 1489 for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { 1490 1491 uint8_t pad; 1492 1493 while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) 1494 off++; 1495 1496 /* Unstuff the bytes */ 1497 for (i = j = 0; ((i + off) < len) && 1498 (j < USIE_HIPCNS_MAX); i++) { 1499 1500 if (rsp[i + off] == USIE_HIP_FRM_CHR) 1501 break; 1502 1503 if (rsp[i + off] == USIE_HIP_ESC_CHR) { 1504 if ((i + off + 1) >= len) 1505 break; 1506 tmp[j++] = rsp[i++ + off + 1] ^ 0x20; 1507 } else { 1508 tmp[j++] = rsp[i + off]; 1509 } 1510 } 1511 1512 off += i; 1513 1514 DPRINTF("frame len=%d\n", j); 1515 1516 if (j < sizeof(struct usie_hip)) { 1517 DPRINTF("too little data\n"); 1518 break; 1519 } 1520 /* 1521 * Make sure we are not reading the stack if something 1522 * is wrong. 1523 */ 1524 memset(tmp + j, 0, sizeof(tmp) - j); 1525 1526 hip = (struct usie_hip *)tmp; 1527 1528 DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", 1529 be16toh(hip->len), hip->id, hip->param); 1530 1531 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1532 1533 if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { 1534 cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); 1535 1536 if (j < (sizeof(struct usie_cns) + 1537 sizeof(struct usie_hip) + pad)) { 1538 DPRINTF("too little data\n"); 1539 break; 1540 } 1541 DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " 1542 "app=%08x, rsv1=%02x, len=%d\n", 1543 be16toh(cns->obj), cns->op, cns->rsv0, 1544 be32toh(cns->id), cns->rsv1, cns->len); 1545 1546 if (cns->op & USIE_CNS_OP_ERR) 1547 DPRINTF("CnS error response\n"); 1548 else 1549 usie_cns_rsp(sc, cns); 1550 1551 i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); 1552 j = cns->len; 1553 } else { 1554 i = sizeof(struct usie_hip) + pad; 1555 j = be16toh(hip->len); 1556 } 1557#ifdef USB_DEBUG 1558 if (usie_debug == 0) 1559 continue; 1560 1561 while (i < USIE_HIPCNS_MAX && j > 0) { 1562 DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); 1563 i++; 1564 j--; 1565 } 1566#endif 1567 } 1568} 1569 1570static int 1571usie_driver_loaded(struct module *mod, int what, void *arg) 1572{ 1573 switch (what) { 1574 case MOD_LOAD: 1575 /* register autoinstall handler */ 1576 usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 1577 usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); 1578 break; 1579 case MOD_UNLOAD: 1580 EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); 1581 break; 1582 default: 1583 return (EOPNOTSUPP); 1584 } 1585 return (0); 1586} 1587 1588