if_usie.c revision 243857
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 243857 2012-12-04 09:32:43Z 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 *, struct sockaddr *, struct route *); 125static void usie_if_init(void *); 126static void usie_if_stop(struct usie_softc *); 127static int usie_if_ioctl(struct ifnet *, u_long, caddr_t); 128 129static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); 130static int usie_if_cmd(struct usie_softc *, uint8_t); 131static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); 132static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); 133static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); 134static int usie_driver_loaded(struct module *, int, void *); 135 136static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { 137 [USIE_UC_STATUS] = { 138 .type = UE_INTERRUPT, 139 .endpoint = UE_ADDR_ANY, 140 .direction = UE_DIR_IN, 141 .bufsize = 0, /* use wMaxPacketSize */ 142 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 143 .callback = &usie_uc_status_callback, 144 }, 145 [USIE_UC_RX] = { 146 .type = UE_BULK, 147 .endpoint = UE_ADDR_ANY, 148 .direction = UE_DIR_IN, 149 .bufsize = USIE_BUFSIZE, 150 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, 151 .callback = &usie_uc_rx_callback, 152 }, 153 [USIE_UC_TX] = { 154 .type = UE_BULK, 155 .endpoint = UE_ADDR_ANY, 156 .direction = UE_DIR_OUT, 157 .bufsize = USIE_BUFSIZE, 158 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 159 .callback = &usie_uc_tx_callback, 160 } 161}; 162 163static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { 164 [USIE_IF_STATUS] = { 165 .type = UE_INTERRUPT, 166 .endpoint = UE_ADDR_ANY, 167 .direction = UE_DIR_IN, 168 .bufsize = 0, /* use wMaxPacketSize */ 169 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 170 .callback = &usie_if_status_callback, 171 }, 172 [USIE_IF_RX] = { 173 .type = UE_BULK, 174 .endpoint = UE_ADDR_ANY, 175 .direction = UE_DIR_IN, 176 .bufsize = USIE_BUFSIZE, 177 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 178 .callback = &usie_if_rx_callback, 179 }, 180 [USIE_IF_TX] = { 181 .type = UE_BULK, 182 .endpoint = UE_ADDR_ANY, 183 .direction = UE_DIR_OUT, 184 .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), 185 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 186 .callback = &usie_if_tx_callback, 187 } 188}; 189 190static device_method_t usie_methods[] = { 191 DEVMETHOD(device_probe, usie_probe), 192 DEVMETHOD(device_attach, usie_attach), 193 DEVMETHOD(device_detach, usie_detach), 194 DEVMETHOD_END 195}; 196 197static driver_t usie_driver = { 198 .name = "usie", 199 .methods = usie_methods, 200 .size = sizeof(struct usie_softc), 201}; 202 203static devclass_t usie_devclass; 204static eventhandler_tag usie_etag; 205 206DRIVER_MODULE(usie, uhub, usie_driver, usie_devclass, usie_driver_loaded, 0); 207MODULE_DEPEND(usie, ucom, 1, 1, 1); 208MODULE_DEPEND(usie, usb, 1, 1, 1); 209MODULE_VERSION(usie, 1); 210 211static const struct ucom_callback usie_uc_callback = { 212 .ucom_cfg_get_status = &usie_uc_cfg_get_status, 213 .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, 214 .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, 215 .ucom_cfg_open = &usie_uc_cfg_open, 216 .ucom_cfg_close = &usie_uc_cfg_close, 217 .ucom_start_read = &usie_uc_start_read, 218 .ucom_stop_read = &usie_uc_stop_read, 219 .ucom_start_write = &usie_uc_start_write, 220 .ucom_stop_write = &usie_uc_stop_write, 221 .ucom_free = &usie_free, 222}; 223 224static void 225usie_autoinst(void *arg, struct usb_device *udev, 226 struct usb_attach_arg *uaa) 227{ 228 struct usb_interface *iface; 229 struct usb_interface_descriptor *id; 230 struct usb_device_request req; 231 int err; 232 233 if (uaa->dev_state != UAA_DEV_READY) 234 return; 235 236 iface = usbd_get_iface(udev, 0); 237 if (iface == NULL) 238 return; 239 240 id = iface->idesc; 241 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 242 return; 243 244 if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) 245 return; /* no device match */ 246 247 if (bootverbose) { 248 DPRINTF("Ejecting %s %s\n", 249 usb_get_manufacturer(udev), 250 usb_get_product(udev)); 251 } 252 req.bmRequestType = UT_VENDOR; 253 req.bRequest = UR_SET_INTERFACE; 254 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 255 USETW(req.wIndex, UHF_PORT_CONNECTION); 256 USETW(req.wLength, 0); 257 258 /* at this moment there is no mutex */ 259 err = usbd_do_request_flags(udev, NULL, &req, 260 NULL, 0, NULL, 250 /* ms */ ); 261 262 /* success, mark the udev as disappearing */ 263 if (err == 0) 264 uaa->dev_state = UAA_DEV_EJECTING; 265} 266 267static int 268usie_probe(device_t self) 269{ 270 struct usb_attach_arg *uaa = device_get_ivars(self); 271 272 if (uaa->usb_mode != USB_MODE_HOST) 273 return (ENXIO); 274 if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) 275 return (ENXIO); 276 if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) 277 return (ENXIO); 278 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) 279 return (ENXIO); 280 281 return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); 282} 283 284static int 285usie_attach(device_t self) 286{ 287 struct usie_softc *sc = device_get_softc(self); 288 struct usb_attach_arg *uaa = device_get_ivars(self); 289 struct ifnet *ifp; 290 struct usb_interface *iface; 291 struct usb_interface_descriptor *id; 292 struct usb_device_request req; 293 int err; 294 uint16_t fwattr; 295 uint8_t iface_index; 296 uint8_t ifidx; 297 uint8_t start; 298 299 device_set_usb_desc(self); 300 sc->sc_udev = uaa->device; 301 sc->sc_dev = self; 302 303 mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); 304 ucom_ref(&sc->sc_super_ucom); 305 306 TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); 307 TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); 308 309 usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); 310 311 mtx_lock(&sc->sc_mtx); 312 313 /* set power mode to D0 */ 314 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 315 req.bRequest = USIE_POWER; 316 USETW(req.wValue, 0); 317 USETW(req.wIndex, 0); 318 USETW(req.wLength, 0); 319 if (usie_do_request(sc, &req, NULL)) { 320 mtx_unlock(&sc->sc_mtx); 321 goto detach; 322 } 323 /* read fw attr */ 324 fwattr = 0; 325 req.bmRequestType = UT_READ_VENDOR_DEVICE; 326 req.bRequest = USIE_FW_ATTR; 327 USETW(req.wValue, 0); 328 USETW(req.wIndex, 0); 329 USETW(req.wLength, sizeof(fwattr)); 330 if (usie_do_request(sc, &req, &fwattr)) { 331 mtx_unlock(&sc->sc_mtx); 332 goto detach; 333 } 334 mtx_unlock(&sc->sc_mtx); 335 336 /* check DHCP supports */ 337 DPRINTF("fwattr=%x\n", fwattr); 338 if (!(fwattr & USIE_FW_DHCP)) { 339 device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); 340 } 341 342 /* find available interfaces */ 343 sc->sc_nucom = 0; 344 for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { 345 iface = usbd_get_iface(uaa->device, ifidx); 346 if (iface == NULL) 347 break; 348 349 id = usbd_get_interface_descriptor(iface); 350 if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) 351 continue; 352 353 /* setup Direct IP transfer */ 354 if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { 355 sc->sc_if_ifnum = id->bInterfaceNumber; 356 iface_index = ifidx; 357 358 DPRINTF("ifnum=%d, ifidx=%d\n", 359 sc->sc_if_ifnum, ifidx); 360 361 err = usbd_transfer_setup(uaa->device, 362 &iface_index, sc->sc_if_xfer, usie_if_config, 363 USIE_IF_N_XFER, sc, &sc->sc_mtx); 364 365 if (err == 0) 366 continue; 367 368 device_printf(self, 369 "could not allocate USB transfers on " 370 "iface_index=%d, err=%s\n", 371 iface_index, usbd_errstr(err)); 372 goto detach; 373 } 374 375 /* setup ucom */ 376 if (sc->sc_nucom >= USIE_UCOM_MAX) 377 continue; 378 379 usbd_set_parent_iface(uaa->device, ifidx, 380 uaa->info.bIfaceIndex); 381 382 DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", 383 id->bNumEndpoints, id->bInterfaceNumber); 384 385 if (id->bNumEndpoints == 2) { 386 sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; 387 start = 1; 388 } else 389 start = 0; 390 391 err = usbd_transfer_setup(uaa->device, &ifidx, 392 sc->sc_uc_xfer[sc->sc_nucom] + start, 393 usie_uc_config + start, USIE_UC_N_XFER - start, 394 &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); 395 396 if (err != 0) { 397 DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); 398 continue; 399 } 400 401 mtx_lock(&sc->sc_mtx); 402 for (; start < USIE_UC_N_XFER; start++) 403 usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); 404 mtx_unlock(&sc->sc_mtx); 405 406 sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; 407 408 sc->sc_nucom++; /* found a port */ 409 } 410 411 if (sc->sc_nucom == 0) { 412 device_printf(self, "no comports found\n"); 413 goto detach; 414 } 415 416 err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 417 sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); 418 419 if (err != 0) { 420 DPRINTF("ucom_attach failed\n"); 421 goto detach; 422 } 423 DPRINTF("Found %d interfaces.\n", sc->sc_nucom); 424 425 /* setup ifnet (Direct IP) */ 426 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 427 428 if (ifp == NULL) { 429 device_printf(self, "Could not allocate a network interface\n"); 430 goto detach; 431 } 432 if_initname(ifp, "usie", device_get_unit(self)); 433 434 ifp->if_softc = sc; 435 ifp->if_mtu = USIE_MTU_MAX; 436 ifp->if_flags |= IFF_NOARP; 437 ifp->if_init = usie_if_init; 438 ifp->if_ioctl = usie_if_ioctl; 439 ifp->if_start = usie_if_start; 440 ifp->if_output = usie_if_output; 441 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 442 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 443 IFQ_SET_READY(&ifp->if_snd); 444 445 if_attach(ifp); 446 bpfattach(ifp, DLT_RAW, 0); 447 448 if (fwattr & USIE_PM_AUTO) { 449 usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); 450 DPRINTF("enabling automatic suspend and resume\n"); 451 } else { 452 usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); 453 DPRINTF("USB power is always ON\n"); 454 } 455 456 DPRINTF("device attached\n"); 457 return (0); 458 459detach: 460 usie_detach(self); 461 return (ENOMEM); 462} 463 464static int 465usie_detach(device_t self) 466{ 467 struct usie_softc *sc = device_get_softc(self); 468 uint8_t x; 469 470 /* detach ifnet */ 471 if (sc->sc_ifp != NULL) { 472 usie_if_stop(sc); 473 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 474 bpfdetach(sc->sc_ifp); 475 if_detach(sc->sc_ifp); 476 if_free(sc->sc_ifp); 477 sc->sc_ifp = NULL; 478 } 479 /* detach ucom */ 480 if (sc->sc_nucom > 0) 481 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 482 483 /* stop all USB transfers */ 484 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 485 486 for (x = 0; x != USIE_UCOM_MAX; x++) 487 usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); 488 489 490 device_claim_softc(self); 491 492 usie_free_softc(sc); 493 494 return (0); 495} 496 497UCOM_UNLOAD_DRAIN(usie); 498 499static void 500usie_free_softc(struct usie_softc *sc) 501{ 502 if (ucom_unref(&sc->sc_super_ucom)) { 503 mtx_destroy(&sc->sc_mtx); 504 device_free_softc(sc); 505 } 506} 507 508static void 509usie_free(struct ucom_softc *ucom) 510{ 511 usie_free_softc(ucom->sc_parent); 512} 513 514static void 515usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 516{ 517 struct usie_softc *sc = ucom->sc_parent; 518 struct usb_device_request req; 519 520 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 521 return; 522 523 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 524 req.bRequest = USIE_LINK_STATE; 525 USETW(req.wValue, ls); 526 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 527 USETW(req.wLength, 0); 528 529 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 530 531 usie_do_request(sc, &req, NULL); 532} 533 534static void 535usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 536{ 537 struct usie_softc *sc = ucom->sc_parent; 538 539 *msr = sc->sc_msr; 540 *lsr = sc->sc_lsr; 541} 542 543static void 544usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 545{ 546 uint8_t dtr; 547 548 dtr = flag ? USIE_LS_DTR : 0; 549 usie_uc_update_line_state(ucom, dtr); 550} 551 552static void 553usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 554{ 555 uint8_t rts; 556 557 rts = flag ? USIE_LS_RTS : 0; 558 usie_uc_update_line_state(ucom, rts); 559} 560 561static void 562usie_uc_cfg_open(struct ucom_softc *ucom) 563{ 564 struct usie_softc *sc = ucom->sc_parent; 565 566 /* usbd_transfer_start() is NULL safe */ 567 568 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 569} 570 571static void 572usie_uc_cfg_close(struct ucom_softc *ucom) 573{ 574 struct usie_softc *sc = ucom->sc_parent; 575 576 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 577} 578 579static void 580usie_uc_start_read(struct ucom_softc *ucom) 581{ 582 struct usie_softc *sc = ucom->sc_parent; 583 584 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 585} 586 587static void 588usie_uc_stop_read(struct ucom_softc *ucom) 589{ 590 struct usie_softc *sc = ucom->sc_parent; 591 592 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 593} 594 595static void 596usie_uc_start_write(struct ucom_softc *ucom) 597{ 598 struct usie_softc *sc = ucom->sc_parent; 599 600 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 601} 602 603static void 604usie_uc_stop_write(struct ucom_softc *ucom) 605{ 606 struct usie_softc *sc = ucom->sc_parent; 607 608 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 609} 610 611static void 612usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 613{ 614 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 615 struct usie_softc *sc = ucom->sc_parent; 616 struct usb_page_cache *pc; 617 uint32_t actlen; 618 619 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 620 621 switch (USB_GET_STATE(xfer)) { 622 case USB_ST_TRANSFERRED: 623 pc = usbd_xfer_get_frame(xfer, 0); 624 625 /* handle CnS response */ 626 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 627 628 DPRINTF("transferred=%u\n", actlen); 629 630 /* check if it is really CnS reply */ 631 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 632 633 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 634 635 /* verify actlen */ 636 if (actlen > USIE_BUFSIZE) 637 actlen = USIE_BUFSIZE; 638 639 /* get complete message */ 640 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 641 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 642 643 /* need to fall though */ 644 goto tr_setup; 645 } 646 /* else call ucom_put_data() */ 647 } 648 /* standard ucom transfer */ 649 ucom_put_data(ucom, pc, 0, actlen); 650 651 /* fall though */ 652 case USB_ST_SETUP: 653tr_setup: 654 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 655 usbd_transfer_submit(xfer); 656 break; 657 658 default: /* Error */ 659 if (error != USB_ERR_CANCELLED) { 660 usbd_xfer_set_stall(xfer); 661 goto tr_setup; 662 } 663 break; 664 } 665} 666 667static void 668usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 669{ 670 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 671 struct usb_page_cache *pc; 672 uint32_t actlen; 673 674 switch (USB_GET_STATE(xfer)) { 675 case USB_ST_TRANSFERRED: 676 case USB_ST_SETUP: 677tr_setup: 678 pc = usbd_xfer_get_frame(xfer, 0); 679 680 /* handle CnS request */ 681 struct mbuf *m = usbd_xfer_get_priv(xfer); 682 683 if (m != NULL) { 684 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 685 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 686 usbd_xfer_set_priv(xfer, NULL); 687 usbd_transfer_submit(xfer); 688 m_freem(m); 689 break; 690 } 691 /* standard ucom transfer */ 692 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 693 usbd_xfer_set_frame_len(xfer, 0, actlen); 694 usbd_transfer_submit(xfer); 695 } 696 break; 697 698 default: /* Error */ 699 if (error != USB_ERR_CANCELLED) { 700 usbd_xfer_set_stall(xfer); 701 goto tr_setup; 702 } 703 break; 704 } 705} 706 707static void 708usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 709{ 710 struct usb_page_cache *pc; 711 struct { 712 struct usb_device_request req; 713 uint16_t param; 714 } st; 715 uint32_t actlen; 716 uint16_t param; 717 718 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 719 720 switch (USB_GET_STATE(xfer)) { 721 case USB_ST_TRANSFERRED: 722 DPRINTFN(4, "info received, actlen=%u\n", actlen); 723 724 if (actlen < sizeof(st)) { 725 DPRINTF("data too short actlen=%u\n", actlen); 726 goto tr_setup; 727 } 728 pc = usbd_xfer_get_frame(xfer, 0); 729 usbd_copy_out(pc, 0, &st, sizeof(st)); 730 731 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 732 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 733 struct usie_softc *sc = ucom->sc_parent; 734 735 param = le16toh(st.param); 736 DPRINTF("param=%x\n", param); 737 sc->sc_msr = sc->sc_lsr = 0; 738 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 739 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 740 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 741 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 742 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 743 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 744 } 745 /* fall though */ 746 case USB_ST_SETUP: 747tr_setup: 748 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 749 usbd_transfer_submit(xfer); 750 break; 751 752 default: /* Error */ 753 DPRINTF("USB transfer error, %s\n", 754 usbd_errstr(error)); 755 756 if (error != USB_ERR_CANCELLED) { 757 usbd_xfer_set_stall(xfer); 758 goto tr_setup; 759 } 760 break; 761 } 762} 763 764static void 765usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 766{ 767 struct usie_softc *sc = usbd_xfer_softc(xfer); 768 struct ifnet *ifp = sc->sc_ifp; 769 struct mbuf *m0; 770 struct mbuf *m = NULL; 771 struct usie_desc *rxd; 772 uint32_t actlen; 773 uint16_t err; 774 uint16_t pkt; 775 uint16_t ipl; 776 uint16_t len; 777 uint16_t diff; 778 uint8_t pad; 779 uint8_t ipv; 780 781 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 782 783 switch (USB_GET_STATE(xfer)) { 784 case USB_ST_TRANSFERRED: 785 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 786 787 if (actlen < sizeof(struct usie_hip)) { 788 DPRINTF("data too short %u\n", actlen); 789 goto tr_setup; 790 } 791 m = sc->sc_rxm; 792 sc->sc_rxm = NULL; 793 794 /* fall though */ 795 case USB_ST_SETUP: 796tr_setup: 797 798 if (sc->sc_rxm == NULL) { 799 sc->sc_rxm = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 800 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 801 } 802 if (sc->sc_rxm == NULL) { 803 DPRINTF("could not allocate Rx mbuf\n"); 804 ifp->if_ierrors++; 805 usbd_xfer_set_stall(xfer); 806 usbd_xfer_set_frames(xfer, 0); 807 } else { 808 /* 809 * Directly loading a mbuf cluster into DMA to 810 * save some data copying. This works because 811 * there is only one cluster. 812 */ 813 usbd_xfer_set_frame_data(xfer, 0, 814 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 815 usbd_xfer_set_frames(xfer, 1); 816 } 817 usbd_transfer_submit(xfer); 818 break; 819 820 default: /* Error */ 821 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 822 823 if (error != USB_ERR_CANCELLED) { 824 /* try to clear stall first */ 825 usbd_xfer_set_stall(xfer); 826 ifp->if_ierrors++; 827 goto tr_setup; 828 } 829 if (sc->sc_rxm != NULL) { 830 m_freem(sc->sc_rxm); 831 sc->sc_rxm = NULL; 832 } 833 break; 834 } 835 836 if (m == NULL) 837 return; 838 839 mtx_unlock(&sc->sc_mtx); 840 841 m->m_pkthdr.len = m->m_len = actlen; 842 843 err = pkt = 0; 844 845 /* HW can aggregate multiple frames in a single USB xfer */ 846 for (;;) { 847 rxd = mtod(m, struct usie_desc *); 848 849 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 850 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 851 ipl = (len - pad - ETHER_HDR_LEN); 852 if (ipl >= len) { 853 DPRINTF("Corrupt frame\n"); 854 m_freem(m); 855 break; 856 } 857 diff = sizeof(struct usie_desc) + ipl + pad; 858 859 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 860 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 861 DPRINTF("received wrong type of packet\n"); 862 m->m_data += diff; 863 m->m_pkthdr.len = (m->m_len -= diff); 864 err++; 865 if (m->m_pkthdr.len > 0) 866 continue; 867 m_freem(m); 868 break; 869 } 870 switch (be16toh(rxd->ethhdr.ether_type)) { 871 case ETHERTYPE_IP: 872 ipv = NETISR_IP; 873 break; 874#ifdef INET6 875 case ETHERTYPE_IPV6: 876 ipv = NETISR_IPV6; 877 break; 878#endif 879 default: 880 DPRINTF("unsupported ether type\n"); 881 err++; 882 break; 883 } 884 885 /* the last packet */ 886 if (m->m_pkthdr.len <= diff) { 887 m->m_data += (sizeof(struct usie_desc) + pad); 888 m->m_pkthdr.len = m->m_len = ipl; 889 m->m_pkthdr.rcvif = ifp; 890 BPF_MTAP(sc->sc_ifp, m); 891 netisr_dispatch(ipv, m); 892 break; 893 } 894 /* copy aggregated frames to another mbuf */ 895 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 896 if (__predict_false(m0 == NULL)) { 897 DPRINTF("could not allocate mbuf\n"); 898 err++; 899 m_freem(m); 900 break; 901 } 902 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 903 m0->m_pkthdr.rcvif = ifp; 904 m0->m_pkthdr.len = m0->m_len = ipl; 905 906 BPF_MTAP(sc->sc_ifp, m0); 907 netisr_dispatch(ipv, m0); 908 909 m->m_data += diff; 910 m->m_pkthdr.len = (m->m_len -= diff); 911 } 912 913 mtx_lock(&sc->sc_mtx); 914 915 ifp->if_ierrors += err; 916 ifp->if_ipackets += pkt; 917} 918 919static void 920usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) 921{ 922 struct usie_softc *sc = usbd_xfer_softc(xfer); 923 struct usb_page_cache *pc; 924 struct ifnet *ifp = sc->sc_ifp; 925 struct mbuf *m; 926 uint16_t size; 927 928 switch (USB_GET_STATE(xfer)) { 929 case USB_ST_TRANSFERRED: 930 DPRINTFN(11, "transfer complete\n"); 931 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 932 ifp->if_opackets++; 933 934 /* fall though */ 935 case USB_ST_SETUP: 936tr_setup: 937 938 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 939 break; 940 941 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 942 if (m == NULL) 943 break; 944 945 if (m->m_pkthdr.len > (int)(MCLBYTES - ETHER_HDR_LEN + 946 ETHER_CRC_LEN - sizeof(sc->sc_txd))) { 947 DPRINTF("packet len is too big: %d\n", 948 m->m_pkthdr.len); 949 break; 950 } 951 pc = usbd_xfer_get_frame(xfer, 0); 952 953 sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + 954 ETHER_HDR_LEN + ETHER_CRC_LEN); 955 size = sizeof(sc->sc_txd); 956 957 usbd_copy_in(pc, 0, &sc->sc_txd, size); 958 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 959 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + 960 size + ETHER_CRC_LEN); 961 962 BPF_MTAP(ifp, m); 963 964 m_freem(m); 965 966 usbd_transfer_submit(xfer); 967 break; 968 969 default: /* Error */ 970 DPRINTF("USB transfer error, %s\n", 971 usbd_errstr(error)); 972 ifp->if_oerrors++; 973 974 if (error != USB_ERR_CANCELLED) { 975 usbd_xfer_set_stall(xfer); 976 ifp->if_ierrors++; 977 goto tr_setup; 978 } 979 break; 980 } 981} 982 983static void 984usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) 985{ 986 struct usie_softc *sc = usbd_xfer_softc(xfer); 987 struct usb_page_cache *pc; 988 struct usb_cdc_notification cdc; 989 uint32_t actlen; 990 991 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 992 993 switch (USB_GET_STATE(xfer)) { 994 case USB_ST_TRANSFERRED: 995 DPRINTFN(4, "info received, actlen=%d\n", actlen); 996 997 /* usb_cdc_notification - .data[16] */ 998 if (actlen < (sizeof(cdc) - 16)) { 999 DPRINTF("data too short %d\n", actlen); 1000 goto tr_setup; 1001 } 1002 pc = usbd_xfer_get_frame(xfer, 0); 1003 usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); 1004 1005 DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); 1006 1007 if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { 1008 taskqueue_enqueue(taskqueue_thread, 1009 &sc->sc_if_status_task); 1010 } 1011 /* fall though */ 1012 case USB_ST_SETUP: 1013tr_setup: 1014 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1015 usbd_transfer_submit(xfer); 1016 break; 1017 1018 default: /* Error */ 1019 DPRINTF("USB transfer error, %s\n", 1020 usbd_errstr(error)); 1021 1022 if (error != USB_ERR_CANCELLED) { 1023 usbd_xfer_set_stall(xfer); 1024 goto tr_setup; 1025 } 1026 break; 1027 } 1028} 1029 1030static void 1031usie_if_sync_to(void *arg) 1032{ 1033 struct usie_softc *sc = arg; 1034 1035 taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); 1036} 1037 1038static void 1039usie_if_sync_cb(void *arg, int pending) 1040{ 1041 struct usie_softc *sc = arg; 1042 1043 mtx_lock(&sc->sc_mtx); 1044 1045 /* call twice */ 1046 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1047 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1048 1049 usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); 1050 1051 mtx_unlock(&sc->sc_mtx); 1052} 1053 1054static void 1055usie_if_status_cb(void *arg, int pending) 1056{ 1057 struct usie_softc *sc = arg; 1058 struct ifnet *ifp = sc->sc_ifp; 1059 struct usb_device_request req; 1060 struct usie_hip *hip; 1061 struct usie_lsi *lsi; 1062 uint16_t actlen; 1063 uint8_t ntries; 1064 uint8_t pad; 1065 1066 mtx_lock(&sc->sc_mtx); 1067 1068 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1069 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1070 USETW(req.wValue, 0); 1071 USETW(req.wIndex, sc->sc_if_ifnum); 1072 USETW(req.wLength, sizeof(sc->sc_status_temp)); 1073 1074 for (ntries = 0; ntries != 10; ntries++) { 1075 int err; 1076 1077 err = usbd_do_request_flags(sc->sc_udev, 1078 &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, 1079 &actlen, USB_DEFAULT_TIMEOUT); 1080 1081 if (err == 0) 1082 break; 1083 1084 DPRINTF("Control request failed: %s %d/10\n", 1085 usbd_errstr(err), ntries); 1086 1087 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1088 } 1089 1090 if (ntries == 10) { 1091 mtx_unlock(&sc->sc_mtx); 1092 DPRINTF("Timeout\n"); 1093 return; 1094 } 1095 1096 hip = (struct usie_hip *)sc->sc_status_temp; 1097 1098 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1099 1100 DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", 1101 hip->id, be16toh(hip->len), actlen, pad); 1102 1103 switch (hip->id & USIE_HIP_MASK) { 1104 case USIE_HIP_SYNC2H: 1105 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1106 break; 1107 case USIE_HIP_RESTR: 1108 usb_callout_stop(&sc->sc_if_sync_ch); 1109 break; 1110 case USIE_HIP_UMTS: 1111 lsi = (struct usie_lsi *)( 1112 sc->sc_status_temp + sizeof(struct usie_hip) + pad); 1113 1114 DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, 1115 be16toh(lsi->len)); 1116 1117 if (lsi->proto != USIE_LSI_UMTS) 1118 break; 1119 1120 if (lsi->area == USIE_LSI_AREA_NO || 1121 lsi->area == USIE_LSI_AREA_NODATA) { 1122 device_printf(sc->sc_dev, "no service available\n"); 1123 break; 1124 } 1125 if (lsi->state == USIE_LSI_STATE_IDLE) { 1126 DPRINTF("lsi.state=%x\n", lsi->state); 1127 break; 1128 } 1129 DPRINTF("ctx=%x\n", hip->param); 1130 sc->sc_txd.hip.param = hip->param; 1131 1132 sc->sc_net.addr_len = lsi->pdp_addr_len; 1133 memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); 1134 memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); 1135 memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); 1136 memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); 1137 ifp->if_flags |= IFF_UP; 1138 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1139 1140 device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", 1141 *lsi->pdp_addr, *(lsi->pdp_addr + 1), 1142 *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); 1143 device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", 1144 *lsi->gw_addr, *(lsi->gw_addr + 1), 1145 *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); 1146 device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", 1147 *lsi->dns1_addr, *(lsi->dns1_addr + 1), 1148 *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); 1149 device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", 1150 *lsi->dns2_addr, *(lsi->dns2_addr + 1), 1151 *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); 1152 1153 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1154 break; 1155 1156 case USIE_HIP_RCGI: 1157 /* ignore, workaround for sloppy windows */ 1158 break; 1159 default: 1160 DPRINTF("undefined msgid: %x\n", hip->id); 1161 break; 1162 } 1163 1164 mtx_unlock(&sc->sc_mtx); 1165} 1166 1167static void 1168usie_if_start(struct ifnet *ifp) 1169{ 1170 struct usie_softc *sc = ifp->if_softc; 1171 1172 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1173 DPRINTF("Not running\n"); 1174 return; 1175 } 1176 mtx_lock(&sc->sc_mtx); 1177 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); 1178 mtx_unlock(&sc->sc_mtx); 1179 1180 DPRINTFN(3, "interface started\n"); 1181} 1182 1183static int 1184usie_if_output(struct ifnet *ifp, struct mbuf *m, struct sockaddr *dst, 1185 struct route *ro) 1186{ 1187 int err; 1188 1189 DPRINTF("proto=%x\n", dst->sa_family); 1190 1191 switch (dst->sa_family) { 1192#ifdef INET6 1193 case AF_INET6; 1194 /* fall though */ 1195#endif 1196 case AF_INET: 1197 break; 1198 1199 /* silently drop dhclient packets */ 1200 case AF_UNSPEC: 1201 m_freem(m); 1202 return (0); 1203 1204 /* drop other packet types */ 1205 default: 1206 m_freem(m); 1207 return (EAFNOSUPPORT); 1208 } 1209 1210 err = (ifp->if_transmit)(ifp, m); 1211 if (err) { 1212 ifp->if_oerrors++; 1213 return (ENOBUFS); 1214 } 1215 ifp->if_opackets++; 1216 1217 return (0); 1218} 1219 1220static void 1221usie_if_init(void *arg) 1222{ 1223 struct usie_softc *sc = arg; 1224 struct ifnet *ifp = sc->sc_ifp; 1225 uint8_t i; 1226 1227 mtx_lock(&sc->sc_mtx); 1228 1229 /* write tx descriptor */ 1230 sc->sc_txd.hip.id = USIE_HIP_CTX; 1231 sc->sc_txd.hip.param = 0; /* init value */ 1232 sc->sc_txd.desc_type = htobe16(USIE_IP_TX); 1233 1234 for (i = 0; i != USIE_IF_N_XFER; i++) 1235 usbd_xfer_set_stall(sc->sc_if_xfer[i]); 1236 1237 usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); 1238 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); 1239 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); 1240 1241 /* if not running, initiate the modem */ 1242 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1243 usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); 1244 1245 mtx_unlock(&sc->sc_mtx); 1246 1247 DPRINTF("ifnet initialized\n"); 1248} 1249 1250static void 1251usie_if_stop(struct usie_softc *sc) 1252{ 1253 usb_callout_drain(&sc->sc_if_sync_ch); 1254 1255 mtx_lock(&sc->sc_mtx); 1256 1257 /* usie_cns_req() clears IFF_* flags */ 1258 usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); 1259 1260 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); 1261 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); 1262 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); 1263 1264 /* shutdown device */ 1265 usie_if_cmd(sc, USIE_HIP_DOWN); 1266 1267 mtx_unlock(&sc->sc_mtx); 1268} 1269 1270static int 1271usie_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1272{ 1273 struct usie_softc *sc = ifp->if_softc; 1274 struct ieee80211req *ireq; 1275 struct ieee80211req_sta_info si; 1276 struct ifmediareq *ifmr; 1277 1278 switch (cmd) { 1279 case SIOCSIFFLAGS: 1280 if (ifp->if_flags & IFF_UP) { 1281 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1282 usie_if_init(sc); 1283 } else { 1284 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1285 usie_if_stop(sc); 1286 } 1287 break; 1288 1289 case SIOCSIFCAP: 1290 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1291 device_printf(sc->sc_dev, 1292 "Connect to the network first.\n"); 1293 break; 1294 } 1295 mtx_lock(&sc->sc_mtx); 1296 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1297 mtx_unlock(&sc->sc_mtx); 1298 break; 1299 1300 case SIOCG80211: 1301 ireq = (struct ieee80211req *)data; 1302 1303 if (ireq->i_type != IEEE80211_IOC_STA_INFO) 1304 break; 1305 1306 memset(&si, 0, sizeof(si)); 1307 si.isi_len = sizeof(si); 1308 /* 1309 * ifconfig expects RSSI in 0.5dBm units 1310 * relative to the noise floor. 1311 */ 1312 si.isi_rssi = 2 * sc->sc_rssi; 1313 if (copyout(&si, (uint8_t *)ireq->i_data + 8, 1314 sizeof(struct ieee80211req_sta_info))) 1315 DPRINTF("copyout failed\n"); 1316 DPRINTF("80211\n"); 1317 break; 1318 1319 case SIOCGIFMEDIA: /* to fool ifconfig */ 1320 ifmr = (struct ifmediareq *)data; 1321 ifmr->ifm_count = 1; 1322 DPRINTF("media\n"); 1323 break; 1324 1325 case SIOCSIFADDR: 1326 case SIOCSIFDSTADDR: 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