if_usie.c revision 255471
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: head/sys/dev/usb/net/if_usie.c 255471 2013-09-11 09:19:44Z glebius $"); 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/queue.h> 34#include <sys/systm.h> 35#include <sys/kernel.h> 36#include <sys/bus.h> 37#include <sys/module.h> 38#include <sys/sockio.h> 39#include <sys/socket.h> 40#include <sys/lock.h> 41#include <sys/mutex.h> 42#include <sys/condvar.h> 43#include <sys/sysctl.h> 44#include <sys/malloc.h> 45#include <sys/taskqueue.h> 46 47#include <machine/bus.h> 48 49#include <net/if.h> 50#include <net/if_types.h> 51#include <net/netisr.h> 52#include <net/bpf.h> 53#include <net/ethernet.h> 54 55#include <netinet/in.h> 56#include <netinet/ip.h> 57#include <netinet/ip6.h> 58#include <netinet/udp.h> 59 60#include <net80211/ieee80211_ioctl.h> 61 62#include <dev/usb/usb.h> 63#include <dev/usb/usbdi.h> 64#include <dev/usb/usbdi_util.h> 65#include <dev/usb/usb_cdc.h> 66#include "usbdevs.h" 67 68#define USB_DEBUG_VAR usie_debug 69#include <dev/usb/usb_debug.h> 70#include <dev/usb/usb_process.h> 71#include <dev/usb/usb_msctest.h> 72 73#include <dev/usb/serial/usb_serial.h> 74 75#include <dev/usb/net/if_usievar.h> 76 77#ifdef USB_DEBUG 78static int usie_debug = 0; 79 80static SYSCTL_NODE(_hw_usb, OID_AUTO, usie, CTLFLAG_RW, 0, "sierra USB modem"); 81SYSCTL_INT(_hw_usb_usie, OID_AUTO, debug, CTLFLAG_RW, &usie_debug, 0, 82 "usie debug level"); 83#endif 84 85/* Sierra Wireless Direct IP modems */ 86static const STRUCT_USB_HOST_ID usie_devs[] = { 87#define USIE_DEV(v, d) { \ 88 USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##d) } 89 USIE_DEV(SIERRA, MC8700), 90 USIE_DEV(SIERRA, TRUINSTALL), 91 USIE_DEV(AIRPRIME, USB308), 92#undef USIE_DEV 93}; 94 95static device_probe_t usie_probe; 96static device_attach_t usie_attach; 97static device_detach_t usie_detach; 98static void usie_free_softc(struct usie_softc *); 99 100static void usie_free(struct ucom_softc *); 101static void usie_uc_update_line_state(struct ucom_softc *, uint8_t); 102static void usie_uc_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 103static void usie_uc_cfg_set_dtr(struct ucom_softc *, uint8_t); 104static void usie_uc_cfg_set_rts(struct ucom_softc *, uint8_t); 105static void usie_uc_cfg_open(struct ucom_softc *); 106static void usie_uc_cfg_close(struct ucom_softc *); 107static void usie_uc_start_read(struct ucom_softc *); 108static void usie_uc_stop_read(struct ucom_softc *); 109static void usie_uc_start_write(struct ucom_softc *); 110static void usie_uc_stop_write(struct ucom_softc *); 111 112static usb_callback_t usie_uc_tx_callback; 113static usb_callback_t usie_uc_rx_callback; 114static usb_callback_t usie_uc_status_callback; 115static usb_callback_t usie_if_tx_callback; 116static usb_callback_t usie_if_rx_callback; 117static usb_callback_t usie_if_status_callback; 118 119static void usie_if_sync_to(void *); 120static void usie_if_sync_cb(void *, int); 121static void usie_if_status_cb(void *, int); 122 123static void usie_if_start(struct ifnet *); 124static int usie_if_output(struct ifnet *, struct mbuf *, 125 const struct sockaddr *, struct route *); 126static void usie_if_init(void *); 127static void usie_if_stop(struct usie_softc *); 128static int usie_if_ioctl(struct ifnet *, u_long, caddr_t); 129 130static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); 131static int usie_if_cmd(struct usie_softc *, uint8_t); 132static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); 133static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); 134static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); 135static int usie_driver_loaded(struct module *, int, void *); 136 137static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { 138 [USIE_UC_STATUS] = { 139 .type = UE_INTERRUPT, 140 .endpoint = UE_ADDR_ANY, 141 .direction = UE_DIR_IN, 142 .bufsize = 0, /* use wMaxPacketSize */ 143 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 144 .callback = &usie_uc_status_callback, 145 }, 146 [USIE_UC_RX] = { 147 .type = UE_BULK, 148 .endpoint = UE_ADDR_ANY, 149 .direction = UE_DIR_IN, 150 .bufsize = USIE_BUFSIZE, 151 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, 152 .callback = &usie_uc_rx_callback, 153 }, 154 [USIE_UC_TX] = { 155 .type = UE_BULK, 156 .endpoint = UE_ADDR_ANY, 157 .direction = UE_DIR_OUT, 158 .bufsize = USIE_BUFSIZE, 159 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 160 .callback = &usie_uc_tx_callback, 161 } 162}; 163 164static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { 165 [USIE_IF_STATUS] = { 166 .type = UE_INTERRUPT, 167 .endpoint = UE_ADDR_ANY, 168 .direction = UE_DIR_IN, 169 .bufsize = 0, /* use wMaxPacketSize */ 170 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 171 .callback = &usie_if_status_callback, 172 }, 173 [USIE_IF_RX] = { 174 .type = UE_BULK, 175 .endpoint = UE_ADDR_ANY, 176 .direction = UE_DIR_IN, 177 .bufsize = USIE_BUFSIZE, 178 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 179 .callback = &usie_if_rx_callback, 180 }, 181 [USIE_IF_TX] = { 182 .type = UE_BULK, 183 .endpoint = UE_ADDR_ANY, 184 .direction = UE_DIR_OUT, 185 .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), 186 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 187 .callback = &usie_if_tx_callback, 188 } 189}; 190 191static device_method_t usie_methods[] = { 192 DEVMETHOD(device_probe, usie_probe), 193 DEVMETHOD(device_attach, usie_attach), 194 DEVMETHOD(device_detach, usie_detach), 195 DEVMETHOD_END 196}; 197 198static driver_t usie_driver = { 199 .name = "usie", 200 .methods = usie_methods, 201 .size = sizeof(struct usie_softc), 202}; 203 204static devclass_t usie_devclass; 205static eventhandler_tag usie_etag; 206 207DRIVER_MODULE(usie, uhub, usie_driver, usie_devclass, usie_driver_loaded, 0); 208MODULE_DEPEND(usie, ucom, 1, 1, 1); 209MODULE_DEPEND(usie, usb, 1, 1, 1); 210MODULE_VERSION(usie, 1); 211 212static const struct ucom_callback usie_uc_callback = { 213 .ucom_cfg_get_status = &usie_uc_cfg_get_status, 214 .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, 215 .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, 216 .ucom_cfg_open = &usie_uc_cfg_open, 217 .ucom_cfg_close = &usie_uc_cfg_close, 218 .ucom_start_read = &usie_uc_start_read, 219 .ucom_stop_read = &usie_uc_stop_read, 220 .ucom_start_write = &usie_uc_start_write, 221 .ucom_stop_write = &usie_uc_stop_write, 222 .ucom_free = &usie_free, 223}; 224 225static void 226usie_autoinst(void *arg, struct usb_device *udev, 227 struct usb_attach_arg *uaa) 228{ 229 struct usb_interface *iface; 230 struct usb_interface_descriptor *id; 231 struct usb_device_request req; 232 int err; 233 234 if (uaa->dev_state != UAA_DEV_READY) 235 return; 236 237 iface = usbd_get_iface(udev, 0); 238 if (iface == NULL) 239 return; 240 241 id = iface->idesc; 242 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 243 return; 244 245 if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) 246 return; /* no device match */ 247 248 if (bootverbose) { 249 DPRINTF("Ejecting %s %s\n", 250 usb_get_manufacturer(udev), 251 usb_get_product(udev)); 252 } 253 req.bmRequestType = UT_VENDOR; 254 req.bRequest = UR_SET_INTERFACE; 255 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 256 USETW(req.wIndex, UHF_PORT_CONNECTION); 257 USETW(req.wLength, 0); 258 259 /* at this moment there is no mutex */ 260 err = usbd_do_request_flags(udev, NULL, &req, 261 NULL, 0, NULL, 250 /* ms */ ); 262 263 /* success, mark the udev as disappearing */ 264 if (err == 0) 265 uaa->dev_state = UAA_DEV_EJECTING; 266} 267 268static int 269usie_probe(device_t self) 270{ 271 struct usb_attach_arg *uaa = device_get_ivars(self); 272 273 if (uaa->usb_mode != USB_MODE_HOST) 274 return (ENXIO); 275 if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) 276 return (ENXIO); 277 if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) 278 return (ENXIO); 279 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) 280 return (ENXIO); 281 282 return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); 283} 284 285static int 286usie_attach(device_t self) 287{ 288 struct usie_softc *sc = device_get_softc(self); 289 struct usb_attach_arg *uaa = device_get_ivars(self); 290 struct ifnet *ifp; 291 struct usb_interface *iface; 292 struct usb_interface_descriptor *id; 293 struct usb_device_request req; 294 int err; 295 uint16_t fwattr; 296 uint8_t iface_index; 297 uint8_t ifidx; 298 uint8_t start; 299 300 device_set_usb_desc(self); 301 sc->sc_udev = uaa->device; 302 sc->sc_dev = self; 303 304 mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); 305 ucom_ref(&sc->sc_super_ucom); 306 307 TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); 308 TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); 309 310 usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); 311 312 mtx_lock(&sc->sc_mtx); 313 314 /* set power mode to D0 */ 315 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 316 req.bRequest = USIE_POWER; 317 USETW(req.wValue, 0); 318 USETW(req.wIndex, 0); 319 USETW(req.wLength, 0); 320 if (usie_do_request(sc, &req, NULL)) { 321 mtx_unlock(&sc->sc_mtx); 322 goto detach; 323 } 324 /* read fw attr */ 325 fwattr = 0; 326 req.bmRequestType = UT_READ_VENDOR_DEVICE; 327 req.bRequest = USIE_FW_ATTR; 328 USETW(req.wValue, 0); 329 USETW(req.wIndex, 0); 330 USETW(req.wLength, sizeof(fwattr)); 331 if (usie_do_request(sc, &req, &fwattr)) { 332 mtx_unlock(&sc->sc_mtx); 333 goto detach; 334 } 335 mtx_unlock(&sc->sc_mtx); 336 337 /* check DHCP supports */ 338 DPRINTF("fwattr=%x\n", fwattr); 339 if (!(fwattr & USIE_FW_DHCP)) { 340 device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); 341 } 342 343 /* find available interfaces */ 344 sc->sc_nucom = 0; 345 for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { 346 iface = usbd_get_iface(uaa->device, ifidx); 347 if (iface == NULL) 348 break; 349 350 id = usbd_get_interface_descriptor(iface); 351 if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) 352 continue; 353 354 /* setup Direct IP transfer */ 355 if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { 356 sc->sc_if_ifnum = id->bInterfaceNumber; 357 iface_index = ifidx; 358 359 DPRINTF("ifnum=%d, ifidx=%d\n", 360 sc->sc_if_ifnum, ifidx); 361 362 err = usbd_transfer_setup(uaa->device, 363 &iface_index, sc->sc_if_xfer, usie_if_config, 364 USIE_IF_N_XFER, sc, &sc->sc_mtx); 365 366 if (err == 0) 367 continue; 368 369 device_printf(self, 370 "could not allocate USB transfers on " 371 "iface_index=%d, err=%s\n", 372 iface_index, usbd_errstr(err)); 373 goto detach; 374 } 375 376 /* setup ucom */ 377 if (sc->sc_nucom >= USIE_UCOM_MAX) 378 continue; 379 380 usbd_set_parent_iface(uaa->device, ifidx, 381 uaa->info.bIfaceIndex); 382 383 DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", 384 id->bNumEndpoints, id->bInterfaceNumber); 385 386 if (id->bNumEndpoints == 2) { 387 sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; 388 start = 1; 389 } else 390 start = 0; 391 392 err = usbd_transfer_setup(uaa->device, &ifidx, 393 sc->sc_uc_xfer[sc->sc_nucom] + start, 394 usie_uc_config + start, USIE_UC_N_XFER - start, 395 &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); 396 397 if (err != 0) { 398 DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); 399 continue; 400 } 401 402 mtx_lock(&sc->sc_mtx); 403 for (; start < USIE_UC_N_XFER; start++) 404 usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); 405 mtx_unlock(&sc->sc_mtx); 406 407 sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; 408 409 sc->sc_nucom++; /* found a port */ 410 } 411 412 if (sc->sc_nucom == 0) { 413 device_printf(self, "no comports found\n"); 414 goto detach; 415 } 416 417 err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 418 sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); 419 420 if (err != 0) { 421 DPRINTF("ucom_attach failed\n"); 422 goto detach; 423 } 424 DPRINTF("Found %d interfaces.\n", sc->sc_nucom); 425 426 /* setup ifnet (Direct IP) */ 427 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 428 429 if (ifp == NULL) { 430 device_printf(self, "Could not allocate a network interface\n"); 431 goto detach; 432 } 433 if_initname(ifp, "usie", device_get_unit(self)); 434 435 ifp->if_softc = sc; 436 ifp->if_mtu = USIE_MTU_MAX; 437 ifp->if_flags |= IFF_NOARP; 438 ifp->if_init = usie_if_init; 439 ifp->if_ioctl = usie_if_ioctl; 440 ifp->if_start = usie_if_start; 441 ifp->if_output = usie_if_output; 442 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 443 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 444 IFQ_SET_READY(&ifp->if_snd); 445 446 if_attach(ifp); 447 bpfattach(ifp, DLT_RAW, 0); 448 449 if (fwattr & USIE_PM_AUTO) { 450 usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); 451 DPRINTF("enabling automatic suspend and resume\n"); 452 } else { 453 usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); 454 DPRINTF("USB power is always ON\n"); 455 } 456 457 DPRINTF("device attached\n"); 458 return (0); 459 460detach: 461 usie_detach(self); 462 return (ENOMEM); 463} 464 465static int 466usie_detach(device_t self) 467{ 468 struct usie_softc *sc = device_get_softc(self); 469 uint8_t x; 470 471 /* detach ifnet */ 472 if (sc->sc_ifp != NULL) { 473 usie_if_stop(sc); 474 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 475 bpfdetach(sc->sc_ifp); 476 if_detach(sc->sc_ifp); 477 if_free(sc->sc_ifp); 478 sc->sc_ifp = NULL; 479 } 480 /* detach ucom */ 481 if (sc->sc_nucom > 0) 482 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 483 484 /* stop all USB transfers */ 485 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 486 487 for (x = 0; x != USIE_UCOM_MAX; x++) 488 usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); 489 490 491 device_claim_softc(self); 492 493 usie_free_softc(sc); 494 495 return (0); 496} 497 498UCOM_UNLOAD_DRAIN(usie); 499 500static void 501usie_free_softc(struct usie_softc *sc) 502{ 503 if (ucom_unref(&sc->sc_super_ucom)) { 504 mtx_destroy(&sc->sc_mtx); 505 device_free_softc(sc); 506 } 507} 508 509static void 510usie_free(struct ucom_softc *ucom) 511{ 512 usie_free_softc(ucom->sc_parent); 513} 514 515static void 516usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 517{ 518 struct usie_softc *sc = ucom->sc_parent; 519 struct usb_device_request req; 520 521 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 522 return; 523 524 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 525 req.bRequest = USIE_LINK_STATE; 526 USETW(req.wValue, ls); 527 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 528 USETW(req.wLength, 0); 529 530 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 531 532 usie_do_request(sc, &req, NULL); 533} 534 535static void 536usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 537{ 538 struct usie_softc *sc = ucom->sc_parent; 539 540 *msr = sc->sc_msr; 541 *lsr = sc->sc_lsr; 542} 543 544static void 545usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 546{ 547 uint8_t dtr; 548 549 dtr = flag ? USIE_LS_DTR : 0; 550 usie_uc_update_line_state(ucom, dtr); 551} 552 553static void 554usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 555{ 556 uint8_t rts; 557 558 rts = flag ? USIE_LS_RTS : 0; 559 usie_uc_update_line_state(ucom, rts); 560} 561 562static void 563usie_uc_cfg_open(struct ucom_softc *ucom) 564{ 565 struct usie_softc *sc = ucom->sc_parent; 566 567 /* usbd_transfer_start() is NULL safe */ 568 569 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 570} 571 572static void 573usie_uc_cfg_close(struct ucom_softc *ucom) 574{ 575 struct usie_softc *sc = ucom->sc_parent; 576 577 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 578} 579 580static void 581usie_uc_start_read(struct ucom_softc *ucom) 582{ 583 struct usie_softc *sc = ucom->sc_parent; 584 585 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 586} 587 588static void 589usie_uc_stop_read(struct ucom_softc *ucom) 590{ 591 struct usie_softc *sc = ucom->sc_parent; 592 593 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 594} 595 596static void 597usie_uc_start_write(struct ucom_softc *ucom) 598{ 599 struct usie_softc *sc = ucom->sc_parent; 600 601 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 602} 603 604static void 605usie_uc_stop_write(struct ucom_softc *ucom) 606{ 607 struct usie_softc *sc = ucom->sc_parent; 608 609 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 610} 611 612static void 613usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 614{ 615 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 616 struct usie_softc *sc = ucom->sc_parent; 617 struct usb_page_cache *pc; 618 uint32_t actlen; 619 620 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 621 622 switch (USB_GET_STATE(xfer)) { 623 case USB_ST_TRANSFERRED: 624 pc = usbd_xfer_get_frame(xfer, 0); 625 626 /* handle CnS response */ 627 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 628 629 DPRINTF("transferred=%u\n", actlen); 630 631 /* check if it is really CnS reply */ 632 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 633 634 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 635 636 /* verify actlen */ 637 if (actlen > USIE_BUFSIZE) 638 actlen = USIE_BUFSIZE; 639 640 /* get complete message */ 641 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 642 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 643 644 /* need to fall though */ 645 goto tr_setup; 646 } 647 /* else call ucom_put_data() */ 648 } 649 /* standard ucom transfer */ 650 ucom_put_data(ucom, pc, 0, actlen); 651 652 /* fall though */ 653 case USB_ST_SETUP: 654tr_setup: 655 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 656 usbd_transfer_submit(xfer); 657 break; 658 659 default: /* Error */ 660 if (error != USB_ERR_CANCELLED) { 661 usbd_xfer_set_stall(xfer); 662 goto tr_setup; 663 } 664 break; 665 } 666} 667 668static void 669usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 670{ 671 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 672 struct usb_page_cache *pc; 673 uint32_t actlen; 674 675 switch (USB_GET_STATE(xfer)) { 676 case USB_ST_TRANSFERRED: 677 case USB_ST_SETUP: 678tr_setup: 679 pc = usbd_xfer_get_frame(xfer, 0); 680 681 /* handle CnS request */ 682 struct mbuf *m = usbd_xfer_get_priv(xfer); 683 684 if (m != NULL) { 685 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 686 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 687 usbd_xfer_set_priv(xfer, NULL); 688 usbd_transfer_submit(xfer); 689 m_freem(m); 690 break; 691 } 692 /* standard ucom transfer */ 693 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 694 usbd_xfer_set_frame_len(xfer, 0, actlen); 695 usbd_transfer_submit(xfer); 696 } 697 break; 698 699 default: /* Error */ 700 if (error != USB_ERR_CANCELLED) { 701 usbd_xfer_set_stall(xfer); 702 goto tr_setup; 703 } 704 break; 705 } 706} 707 708static void 709usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 710{ 711 struct usb_page_cache *pc; 712 struct { 713 struct usb_device_request req; 714 uint16_t param; 715 } st; 716 uint32_t actlen; 717 uint16_t param; 718 719 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 720 721 switch (USB_GET_STATE(xfer)) { 722 case USB_ST_TRANSFERRED: 723 DPRINTFN(4, "info received, actlen=%u\n", actlen); 724 725 if (actlen < sizeof(st)) { 726 DPRINTF("data too short actlen=%u\n", actlen); 727 goto tr_setup; 728 } 729 pc = usbd_xfer_get_frame(xfer, 0); 730 usbd_copy_out(pc, 0, &st, sizeof(st)); 731 732 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 733 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 734 struct usie_softc *sc = ucom->sc_parent; 735 736 param = le16toh(st.param); 737 DPRINTF("param=%x\n", param); 738 sc->sc_msr = sc->sc_lsr = 0; 739 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 740 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 741 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 742 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 743 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 744 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 745 } 746 /* fall though */ 747 case USB_ST_SETUP: 748tr_setup: 749 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 750 usbd_transfer_submit(xfer); 751 break; 752 753 default: /* Error */ 754 DPRINTF("USB transfer error, %s\n", 755 usbd_errstr(error)); 756 757 if (error != USB_ERR_CANCELLED) { 758 usbd_xfer_set_stall(xfer); 759 goto tr_setup; 760 } 761 break; 762 } 763} 764 765static void 766usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 767{ 768 struct usie_softc *sc = usbd_xfer_softc(xfer); 769 struct ifnet *ifp = sc->sc_ifp; 770 struct mbuf *m0; 771 struct mbuf *m = NULL; 772 struct usie_desc *rxd; 773 uint32_t actlen; 774 uint16_t err; 775 uint16_t pkt; 776 uint16_t ipl; 777 uint16_t len; 778 uint16_t diff; 779 uint8_t pad; 780 uint8_t ipv; 781 782 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 783 784 switch (USB_GET_STATE(xfer)) { 785 case USB_ST_TRANSFERRED: 786 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 787 788 if (actlen < sizeof(struct usie_hip)) { 789 DPRINTF("data too short %u\n", actlen); 790 goto tr_setup; 791 } 792 m = sc->sc_rxm; 793 sc->sc_rxm = NULL; 794 795 /* fall though */ 796 case USB_ST_SETUP: 797tr_setup: 798 799 if (sc->sc_rxm == NULL) { 800 sc->sc_rxm = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 801 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 802 } 803 if (sc->sc_rxm == NULL) { 804 DPRINTF("could not allocate Rx mbuf\n"); 805 ifp->if_ierrors++; 806 usbd_xfer_set_stall(xfer); 807 usbd_xfer_set_frames(xfer, 0); 808 } else { 809 /* 810 * Directly loading a mbuf cluster into DMA to 811 * save some data copying. This works because 812 * there is only one cluster. 813 */ 814 usbd_xfer_set_frame_data(xfer, 0, 815 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 816 usbd_xfer_set_frames(xfer, 1); 817 } 818 usbd_transfer_submit(xfer); 819 break; 820 821 default: /* Error */ 822 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 823 824 if (error != USB_ERR_CANCELLED) { 825 /* try to clear stall first */ 826 usbd_xfer_set_stall(xfer); 827 ifp->if_ierrors++; 828 goto tr_setup; 829 } 830 if (sc->sc_rxm != NULL) { 831 m_freem(sc->sc_rxm); 832 sc->sc_rxm = NULL; 833 } 834 break; 835 } 836 837 if (m == NULL) 838 return; 839 840 mtx_unlock(&sc->sc_mtx); 841 842 m->m_pkthdr.len = m->m_len = actlen; 843 844 err = pkt = 0; 845 846 /* HW can aggregate multiple frames in a single USB xfer */ 847 for (;;) { 848 rxd = mtod(m, struct usie_desc *); 849 850 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 851 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 852 ipl = (len - pad - ETHER_HDR_LEN); 853 if (ipl >= len) { 854 DPRINTF("Corrupt frame\n"); 855 m_freem(m); 856 break; 857 } 858 diff = sizeof(struct usie_desc) + ipl + pad; 859 860 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 861 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 862 DPRINTF("received wrong type of packet\n"); 863 m->m_data += diff; 864 m->m_pkthdr.len = (m->m_len -= diff); 865 err++; 866 if (m->m_pkthdr.len > 0) 867 continue; 868 m_freem(m); 869 break; 870 } 871 switch (be16toh(rxd->ethhdr.ether_type)) { 872 case ETHERTYPE_IP: 873 ipv = NETISR_IP; 874 break; 875#ifdef INET6 876 case ETHERTYPE_IPV6: 877 ipv = NETISR_IPV6; 878 break; 879#endif 880 default: 881 DPRINTF("unsupported ether type\n"); 882 err++; 883 break; 884 } 885 886 /* the last packet */ 887 if (m->m_pkthdr.len <= diff) { 888 m->m_data += (sizeof(struct usie_desc) + pad); 889 m->m_pkthdr.len = m->m_len = ipl; 890 m->m_pkthdr.rcvif = ifp; 891 BPF_MTAP(sc->sc_ifp, m); 892 netisr_dispatch(ipv, m); 893 break; 894 } 895 /* copy aggregated frames to another mbuf */ 896 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 897 if (__predict_false(m0 == NULL)) { 898 DPRINTF("could not allocate mbuf\n"); 899 err++; 900 m_freem(m); 901 break; 902 } 903 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 904 m0->m_pkthdr.rcvif = ifp; 905 m0->m_pkthdr.len = m0->m_len = ipl; 906 907 BPF_MTAP(sc->sc_ifp, m0); 908 netisr_dispatch(ipv, m0); 909 910 m->m_data += diff; 911 m->m_pkthdr.len = (m->m_len -= diff); 912 } 913 914 mtx_lock(&sc->sc_mtx); 915 916 ifp->if_ierrors += err; 917 ifp->if_ipackets += pkt; 918} 919 920static void 921usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) 922{ 923 struct usie_softc *sc = usbd_xfer_softc(xfer); 924 struct usb_page_cache *pc; 925 struct ifnet *ifp = sc->sc_ifp; 926 struct mbuf *m; 927 uint16_t size; 928 929 switch (USB_GET_STATE(xfer)) { 930 case USB_ST_TRANSFERRED: 931 DPRINTFN(11, "transfer complete\n"); 932 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 933 ifp->if_opackets++; 934 935 /* fall though */ 936 case USB_ST_SETUP: 937tr_setup: 938 939 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 940 break; 941 942 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 943 if (m == NULL) 944 break; 945 946 if (m->m_pkthdr.len > (int)(MCLBYTES - ETHER_HDR_LEN + 947 ETHER_CRC_LEN - sizeof(sc->sc_txd))) { 948 DPRINTF("packet len is too big: %d\n", 949 m->m_pkthdr.len); 950 break; 951 } 952 pc = usbd_xfer_get_frame(xfer, 0); 953 954 sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + 955 ETHER_HDR_LEN + ETHER_CRC_LEN); 956 size = sizeof(sc->sc_txd); 957 958 usbd_copy_in(pc, 0, &sc->sc_txd, size); 959 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 960 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + 961 size + ETHER_CRC_LEN); 962 963 BPF_MTAP(ifp, m); 964 965 m_freem(m); 966 967 usbd_transfer_submit(xfer); 968 break; 969 970 default: /* Error */ 971 DPRINTF("USB transfer error, %s\n", 972 usbd_errstr(error)); 973 ifp->if_oerrors++; 974 975 if (error != USB_ERR_CANCELLED) { 976 usbd_xfer_set_stall(xfer); 977 ifp->if_ierrors++; 978 goto tr_setup; 979 } 980 break; 981 } 982} 983 984static void 985usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) 986{ 987 struct usie_softc *sc = usbd_xfer_softc(xfer); 988 struct usb_page_cache *pc; 989 struct usb_cdc_notification cdc; 990 uint32_t actlen; 991 992 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 993 994 switch (USB_GET_STATE(xfer)) { 995 case USB_ST_TRANSFERRED: 996 DPRINTFN(4, "info received, actlen=%d\n", actlen); 997 998 /* usb_cdc_notification - .data[16] */ 999 if (actlen < (sizeof(cdc) - 16)) { 1000 DPRINTF("data too short %d\n", actlen); 1001 goto tr_setup; 1002 } 1003 pc = usbd_xfer_get_frame(xfer, 0); 1004 usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); 1005 1006 DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); 1007 1008 if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { 1009 taskqueue_enqueue(taskqueue_thread, 1010 &sc->sc_if_status_task); 1011 } 1012 /* fall though */ 1013 case USB_ST_SETUP: 1014tr_setup: 1015 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1016 usbd_transfer_submit(xfer); 1017 break; 1018 1019 default: /* Error */ 1020 DPRINTF("USB transfer error, %s\n", 1021 usbd_errstr(error)); 1022 1023 if (error != USB_ERR_CANCELLED) { 1024 usbd_xfer_set_stall(xfer); 1025 goto tr_setup; 1026 } 1027 break; 1028 } 1029} 1030 1031static void 1032usie_if_sync_to(void *arg) 1033{ 1034 struct usie_softc *sc = arg; 1035 1036 taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); 1037} 1038 1039static void 1040usie_if_sync_cb(void *arg, int pending) 1041{ 1042 struct usie_softc *sc = arg; 1043 1044 mtx_lock(&sc->sc_mtx); 1045 1046 /* call twice */ 1047 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1048 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1049 1050 usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); 1051 1052 mtx_unlock(&sc->sc_mtx); 1053} 1054 1055static void 1056usie_if_status_cb(void *arg, int pending) 1057{ 1058 struct usie_softc *sc = arg; 1059 struct ifnet *ifp = sc->sc_ifp; 1060 struct usb_device_request req; 1061 struct usie_hip *hip; 1062 struct usie_lsi *lsi; 1063 uint16_t actlen; 1064 uint8_t ntries; 1065 uint8_t pad; 1066 1067 mtx_lock(&sc->sc_mtx); 1068 1069 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1070 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1071 USETW(req.wValue, 0); 1072 USETW(req.wIndex, sc->sc_if_ifnum); 1073 USETW(req.wLength, sizeof(sc->sc_status_temp)); 1074 1075 for (ntries = 0; ntries != 10; ntries++) { 1076 int err; 1077 1078 err = usbd_do_request_flags(sc->sc_udev, 1079 &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, 1080 &actlen, USB_DEFAULT_TIMEOUT); 1081 1082 if (err == 0) 1083 break; 1084 1085 DPRINTF("Control request failed: %s %d/10\n", 1086 usbd_errstr(err), ntries); 1087 1088 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1089 } 1090 1091 if (ntries == 10) { 1092 mtx_unlock(&sc->sc_mtx); 1093 DPRINTF("Timeout\n"); 1094 return; 1095 } 1096 1097 hip = (struct usie_hip *)sc->sc_status_temp; 1098 1099 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1100 1101 DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", 1102 hip->id, be16toh(hip->len), actlen, pad); 1103 1104 switch (hip->id & USIE_HIP_MASK) { 1105 case USIE_HIP_SYNC2H: 1106 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1107 break; 1108 case USIE_HIP_RESTR: 1109 usb_callout_stop(&sc->sc_if_sync_ch); 1110 break; 1111 case USIE_HIP_UMTS: 1112 lsi = (struct usie_lsi *)( 1113 sc->sc_status_temp + sizeof(struct usie_hip) + pad); 1114 1115 DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, 1116 be16toh(lsi->len)); 1117 1118 if (lsi->proto != USIE_LSI_UMTS) 1119 break; 1120 1121 if (lsi->area == USIE_LSI_AREA_NO || 1122 lsi->area == USIE_LSI_AREA_NODATA) { 1123 device_printf(sc->sc_dev, "no service available\n"); 1124 break; 1125 } 1126 if (lsi->state == USIE_LSI_STATE_IDLE) { 1127 DPRINTF("lsi.state=%x\n", lsi->state); 1128 break; 1129 } 1130 DPRINTF("ctx=%x\n", hip->param); 1131 sc->sc_txd.hip.param = hip->param; 1132 1133 sc->sc_net.addr_len = lsi->pdp_addr_len; 1134 memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); 1135 memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); 1136 memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); 1137 memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); 1138 ifp->if_flags |= IFF_UP; 1139 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1140 1141 device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", 1142 *lsi->pdp_addr, *(lsi->pdp_addr + 1), 1143 *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); 1144 device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", 1145 *lsi->gw_addr, *(lsi->gw_addr + 1), 1146 *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); 1147 device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", 1148 *lsi->dns1_addr, *(lsi->dns1_addr + 1), 1149 *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); 1150 device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", 1151 *lsi->dns2_addr, *(lsi->dns2_addr + 1), 1152 *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); 1153 1154 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1155 break; 1156 1157 case USIE_HIP_RCGI: 1158 /* ignore, workaround for sloppy windows */ 1159 break; 1160 default: 1161 DPRINTF("undefined msgid: %x\n", hip->id); 1162 break; 1163 } 1164 1165 mtx_unlock(&sc->sc_mtx); 1166} 1167 1168static void 1169usie_if_start(struct ifnet *ifp) 1170{ 1171 struct usie_softc *sc = ifp->if_softc; 1172 1173 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1174 DPRINTF("Not running\n"); 1175 return; 1176 } 1177 mtx_lock(&sc->sc_mtx); 1178 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); 1179 mtx_unlock(&sc->sc_mtx); 1180 1181 DPRINTFN(3, "interface started\n"); 1182} 1183 1184static int 1185usie_if_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, 1186 struct route *ro) 1187{ 1188 int err; 1189 1190 DPRINTF("proto=%x\n", dst->sa_family); 1191 1192 switch (dst->sa_family) { 1193#ifdef INET6 1194 case AF_INET6; 1195 /* fall though */ 1196#endif 1197 case AF_INET: 1198 break; 1199 1200 /* silently drop dhclient packets */ 1201 case AF_UNSPEC: 1202 m_freem(m); 1203 return (0); 1204 1205 /* drop other packet types */ 1206 default: 1207 m_freem(m); 1208 return (EAFNOSUPPORT); 1209 } 1210 1211 err = (ifp->if_transmit)(ifp, m); 1212 if (err) { 1213 ifp->if_oerrors++; 1214 return (ENOBUFS); 1215 } 1216 ifp->if_opackets++; 1217 1218 return (0); 1219} 1220 1221static void 1222usie_if_init(void *arg) 1223{ 1224 struct usie_softc *sc = arg; 1225 struct ifnet *ifp = sc->sc_ifp; 1226 uint8_t i; 1227 1228 mtx_lock(&sc->sc_mtx); 1229 1230 /* write tx descriptor */ 1231 sc->sc_txd.hip.id = USIE_HIP_CTX; 1232 sc->sc_txd.hip.param = 0; /* init value */ 1233 sc->sc_txd.desc_type = htobe16(USIE_IP_TX); 1234 1235 for (i = 0; i != USIE_IF_N_XFER; i++) 1236 usbd_xfer_set_stall(sc->sc_if_xfer[i]); 1237 1238 usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); 1239 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); 1240 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); 1241 1242 /* if not running, initiate the modem */ 1243 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1244 usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); 1245 1246 mtx_unlock(&sc->sc_mtx); 1247 1248 DPRINTF("ifnet initialized\n"); 1249} 1250 1251static void 1252usie_if_stop(struct usie_softc *sc) 1253{ 1254 usb_callout_drain(&sc->sc_if_sync_ch); 1255 1256 mtx_lock(&sc->sc_mtx); 1257 1258 /* usie_cns_req() clears IFF_* flags */ 1259 usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); 1260 1261 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); 1262 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); 1263 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); 1264 1265 /* shutdown device */ 1266 usie_if_cmd(sc, USIE_HIP_DOWN); 1267 1268 mtx_unlock(&sc->sc_mtx); 1269} 1270 1271static int 1272usie_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1273{ 1274 struct usie_softc *sc = ifp->if_softc; 1275 struct ieee80211req *ireq; 1276 struct ieee80211req_sta_info si; 1277 struct ifmediareq *ifmr; 1278 1279 switch (cmd) { 1280 case SIOCSIFFLAGS: 1281 if (ifp->if_flags & IFF_UP) { 1282 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1283 usie_if_init(sc); 1284 } else { 1285 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1286 usie_if_stop(sc); 1287 } 1288 break; 1289 1290 case SIOCSIFCAP: 1291 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1292 device_printf(sc->sc_dev, 1293 "Connect to the network first.\n"); 1294 break; 1295 } 1296 mtx_lock(&sc->sc_mtx); 1297 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1298 mtx_unlock(&sc->sc_mtx); 1299 break; 1300 1301 case SIOCG80211: 1302 ireq = (struct ieee80211req *)data; 1303 1304 if (ireq->i_type != IEEE80211_IOC_STA_INFO) 1305 break; 1306 1307 memset(&si, 0, sizeof(si)); 1308 si.isi_len = sizeof(si); 1309 /* 1310 * ifconfig expects RSSI in 0.5dBm units 1311 * relative to the noise floor. 1312 */ 1313 si.isi_rssi = 2 * sc->sc_rssi; 1314 if (copyout(&si, (uint8_t *)ireq->i_data + 8, 1315 sizeof(struct ieee80211req_sta_info))) 1316 DPRINTF("copyout failed\n"); 1317 DPRINTF("80211\n"); 1318 break; 1319 1320 case SIOCGIFMEDIA: /* to fool ifconfig */ 1321 ifmr = (struct ifmediareq *)data; 1322 ifmr->ifm_count = 1; 1323 DPRINTF("media\n"); 1324 break; 1325 1326 case SIOCSIFADDR: 1327 break; 1328 1329 default: 1330 return (EINVAL); 1331 } 1332 return (0); 1333} 1334 1335static int 1336usie_do_request(struct usie_softc *sc, struct usb_device_request *req, 1337 void *data) 1338{ 1339 int err = 0; 1340 int ntries; 1341 1342 mtx_assert(&sc->sc_mtx, MA_OWNED); 1343 1344 for (ntries = 0; ntries != 10; ntries++) { 1345 err = usbd_do_request(sc->sc_udev, 1346 &sc->sc_mtx, req, data); 1347 if (err == 0) 1348 break; 1349 1350 DPRINTF("Control request failed: %s %d/10\n", 1351 usbd_errstr(err), ntries); 1352 1353 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1354 } 1355 return (err); 1356} 1357 1358static int 1359usie_if_cmd(struct usie_softc *sc, uint8_t cmd) 1360{ 1361 struct usb_device_request req; 1362 struct usie_hip msg; 1363 1364 msg.len = 0; 1365 msg.id = cmd; 1366 msg.param = 0; 1367 1368 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1369 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1370 USETW(req.wValue, 0); 1371 USETW(req.wIndex, sc->sc_if_ifnum); 1372 USETW(req.wLength, sizeof(msg)); 1373 1374 DPRINTF("cmd=%x\n", cmd); 1375 1376 return (usie_do_request(sc, &req, &msg)); 1377} 1378 1379static void 1380usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) 1381{ 1382 struct ifnet *ifp = sc->sc_ifp; 1383 struct mbuf *m; 1384 struct usb_xfer *xfer; 1385 struct usie_hip *hip; 1386 struct usie_cns *cns; 1387 uint8_t *param; 1388 uint8_t *tmp; 1389 uint8_t cns_len; 1390 1391 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1392 if (__predict_false(m == NULL)) { 1393 DPRINTF("could not allocate mbuf\n"); 1394 ifp->if_ierrors++; 1395 return; 1396 } 1397 /* to align usie_hip{} on 32 bit */ 1398 m->m_data += 3; 1399 param = mtod(m, uint8_t *); 1400 *param++ = USIE_HIP_FRM_CHR; 1401 hip = (struct usie_hip *)param; 1402 cns = (struct usie_cns *)(hip + 1); 1403 1404 tmp = param + USIE_HIPCNS_MIN - 2; 1405 1406 switch (obj) { 1407 case USIE_CNS_OB_LINK_UPDATE: 1408 cns_len = 2; 1409 cns->op = USIE_CNS_OP_SET; 1410 *tmp++ = 1; /* profile ID, always use 1 for now */ 1411 *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; 1412 break; 1413 1414 case USIE_CNS_OB_PROF_WRITE: 1415 cns_len = 245; 1416 cns->op = USIE_CNS_OP_SET; 1417 *tmp++ = 1; /* profile ID, always use 1 for now */ 1418 *tmp++ = 2; 1419 memcpy(tmp, &sc->sc_net, 34); 1420 memset(tmp + 35, 0, 245 - 36); 1421 tmp += 243; 1422 break; 1423 1424 case USIE_CNS_OB_RSSI: 1425 cns_len = 0; 1426 cns->op = USIE_CNS_OP_REQ; 1427 break; 1428 1429 default: 1430 DPRINTF("unsupported CnS object type\n"); 1431 return; 1432 } 1433 *tmp = USIE_HIP_FRM_CHR; 1434 1435 hip->len = htobe16(sizeof(struct usie_cns) + cns_len); 1436 hip->id = USIE_HIP_CNS2M; 1437 hip->param = 0; /* none for CnS */ 1438 1439 cns->obj = htobe16(obj); 1440 cns->id = htobe32(id); 1441 cns->len = cns_len; 1442 cns->rsv0 = cns->rsv1 = 0; /* always '0' */ 1443 1444 param = (uint8_t *)(cns + 1); 1445 1446 DPRINTF("param: %16D\n", param, ":"); 1447 1448 m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; 1449 1450 xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; 1451 1452 if (usbd_xfer_get_priv(xfer) == NULL) { 1453 usbd_xfer_set_priv(xfer, m); 1454 usbd_transfer_start(xfer); 1455 } else { 1456 DPRINTF("Dropped CNS event\n"); 1457 m_freem(m); 1458 } 1459} 1460 1461static void 1462usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) 1463{ 1464 struct ifnet *ifp = sc->sc_ifp; 1465 1466 DPRINTF("received CnS\n"); 1467 1468 switch (be16toh(cns->obj)) { 1469 case USIE_CNS_OB_LINK_UPDATE: 1470 if (be32toh(cns->id) & USIE_CNS_ID_INIT) 1471 usie_if_sync_to(sc); 1472 else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { 1473 ifp->if_flags &= ~IFF_UP; 1474 ifp->if_drv_flags &= 1475 ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1476 } else 1477 DPRINTF("undefined link update\n"); 1478 break; 1479 1480 case USIE_CNS_OB_RSSI: 1481 sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); 1482 if (sc->sc_rssi <= 0) 1483 device_printf(sc->sc_dev, "No signal\n"); 1484 else { 1485 device_printf(sc->sc_dev, "RSSI=%ddBm\n", 1486 sc->sc_rssi - 110); 1487 } 1488 break; 1489 1490 case USIE_CNS_OB_PROF_WRITE: 1491 break; 1492 1493 case USIE_CNS_OB_PDP_READ: 1494 break; 1495 1496 default: 1497 DPRINTF("undefined CnS\n"); 1498 break; 1499 } 1500} 1501 1502static void 1503usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) 1504{ 1505 struct usie_hip *hip; 1506 struct usie_cns *cns; 1507 uint32_t i; 1508 uint32_t j; 1509 uint32_t off; 1510 uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); 1511 1512 for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { 1513 1514 uint8_t pad; 1515 1516 while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) 1517 off++; 1518 1519 /* Unstuff the bytes */ 1520 for (i = j = 0; ((i + off) < len) && 1521 (j < USIE_HIPCNS_MAX); i++) { 1522 1523 if (rsp[i + off] == USIE_HIP_FRM_CHR) 1524 break; 1525 1526 if (rsp[i + off] == USIE_HIP_ESC_CHR) { 1527 if ((i + off + 1) >= len) 1528 break; 1529 tmp[j++] = rsp[i++ + off + 1] ^ 0x20; 1530 } else { 1531 tmp[j++] = rsp[i + off]; 1532 } 1533 } 1534 1535 off += i; 1536 1537 DPRINTF("frame len=%d\n", j); 1538 1539 if (j < sizeof(struct usie_hip)) { 1540 DPRINTF("too little data\n"); 1541 break; 1542 } 1543 /* 1544 * Make sure we are not reading the stack if something 1545 * is wrong. 1546 */ 1547 memset(tmp + j, 0, sizeof(tmp) - j); 1548 1549 hip = (struct usie_hip *)tmp; 1550 1551 DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", 1552 be16toh(hip->len), hip->id, hip->param); 1553 1554 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1555 1556 if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { 1557 cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); 1558 1559 if (j < (sizeof(struct usie_cns) + 1560 sizeof(struct usie_hip) + pad)) { 1561 DPRINTF("too little data\n"); 1562 break; 1563 } 1564 DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " 1565 "app=%08x, rsv1=%02x, len=%d\n", 1566 be16toh(cns->obj), cns->op, cns->rsv0, 1567 be32toh(cns->id), cns->rsv1, cns->len); 1568 1569 if (cns->op & USIE_CNS_OP_ERR) 1570 DPRINTF("CnS error response\n"); 1571 else 1572 usie_cns_rsp(sc, cns); 1573 1574 i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); 1575 j = cns->len; 1576 } else { 1577 i = sizeof(struct usie_hip) + pad; 1578 j = be16toh(hip->len); 1579 } 1580#ifdef USB_DEBUG 1581 if (usie_debug == 0) 1582 continue; 1583 1584 while (i < USIE_HIPCNS_MAX && j > 0) { 1585 DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); 1586 i++; 1587 j--; 1588 } 1589#endif 1590 } 1591} 1592 1593static int 1594usie_driver_loaded(struct module *mod, int what, void *arg) 1595{ 1596 switch (what) { 1597 case MOD_LOAD: 1598 /* register autoinstall handler */ 1599 usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 1600 usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); 1601 break; 1602 case MOD_UNLOAD: 1603 EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); 1604 break; 1605 default: 1606 return (EOPNOTSUPP); 1607 } 1608 return (0); 1609} 1610 1611