1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2011 Anybots Inc 5 * written by Akinori Furukoshi <moonlightakkiy@yahoo.ca> 6 * - ucom part is based on u3g.c 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/param.h> 31 #include <sys/eventhandler.h> 32 #include <sys/systm.h> 33 #include <sys/queue.h> 34 #include <sys/systm.h> 35 #include <sys/socket.h> 36 #include <sys/kernel.h> 37 #include <sys/bus.h> 38 #include <sys/module.h> 39 #include <sys/sockio.h> 40 #include <sys/socket.h> 41 #include <sys/lock.h> 42 #include <sys/mutex.h> 43 #include <sys/condvar.h> 44 #include <sys/sysctl.h> 45 #include <sys/malloc.h> 46 #include <sys/taskqueue.h> 47 48 #include <net/if.h> 49 #include <net/if_var.h> 50 51 #include <machine/bus.h> 52 53 #include <net/if.h> 54 #include <net/if_types.h> 55 #include <net/netisr.h> 56 #include <net/bpf.h> 57 #include <net/ethernet.h> 58 59 #include <netinet/in.h> 60 #include <netinet/ip.h> 61 #include <netinet/ip6.h> 62 #include <netinet/udp.h> 63 64 #include <net80211/ieee80211_ioctl.h> 65 66 #include <dev/usb/usb.h> 67 #include <dev/usb/usbdi.h> 68 #include <dev/usb/usbdi_util.h> 69 #include <dev/usb/usb_cdc.h> 70 #include "usbdevs.h" 71 72 #define USB_DEBUG_VAR usie_debug 73 #include <dev/usb/usb_debug.h> 74 #include <dev/usb/usb_process.h> 75 #include <dev/usb/usb_msctest.h> 76 77 #include <dev/usb/serial/usb_serial.h> 78 79 #include <dev/usb/net/if_usievar.h> 80 81 #ifdef USB_DEBUG 82 static int usie_debug = 0; 83 84 static SYSCTL_NODE(_hw_usb, OID_AUTO, usie, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 85 "sierra USB modem"); 86 SYSCTL_INT(_hw_usb_usie, OID_AUTO, debug, CTLFLAG_RWTUN, &usie_debug, 0, 87 "usie debug level"); 88 #endif 89 90 /* Sierra Wireless Direct IP modems */ 91 static const STRUCT_USB_HOST_ID usie_devs[] = { 92 #define USIE_DEV(v, d) { \ 93 USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##d) } 94 USIE_DEV(SIERRA, MC8700), 95 USIE_DEV(SIERRA, TRUINSTALL), 96 USIE_DEV(AIRPRIME, USB308), 97 #undef USIE_DEV 98 }; 99 100 static device_probe_t usie_probe; 101 static device_attach_t usie_attach; 102 static device_detach_t usie_detach; 103 static void usie_free_softc(struct usie_softc *); 104 105 static void usie_free(struct ucom_softc *); 106 static void usie_uc_update_line_state(struct ucom_softc *, uint8_t); 107 static void usie_uc_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 108 static void usie_uc_cfg_set_dtr(struct ucom_softc *, uint8_t); 109 static void usie_uc_cfg_set_rts(struct ucom_softc *, uint8_t); 110 static void usie_uc_cfg_open(struct ucom_softc *); 111 static void usie_uc_cfg_close(struct ucom_softc *); 112 static void usie_uc_start_read(struct ucom_softc *); 113 static void usie_uc_stop_read(struct ucom_softc *); 114 static void usie_uc_start_write(struct ucom_softc *); 115 static void usie_uc_stop_write(struct ucom_softc *); 116 117 static usb_callback_t usie_uc_tx_callback; 118 static usb_callback_t usie_uc_rx_callback; 119 static usb_callback_t usie_uc_status_callback; 120 static usb_callback_t usie_if_tx_callback; 121 static usb_callback_t usie_if_rx_callback; 122 static usb_callback_t usie_if_status_callback; 123 124 static void usie_if_sync_to(void *); 125 static void usie_if_sync_cb(void *, int); 126 static void usie_if_status_cb(void *, int); 127 128 static void usie_if_start(if_t); 129 static int usie_if_output(if_t, struct mbuf *, 130 const struct sockaddr *, struct route *); 131 static void usie_if_init(void *); 132 static void usie_if_stop(struct usie_softc *); 133 static int usie_if_ioctl(if_t, u_long, caddr_t); 134 135 static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); 136 static int usie_if_cmd(struct usie_softc *, uint8_t); 137 static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); 138 static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); 139 static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); 140 static int usie_driver_loaded(struct module *, int, void *); 141 142 static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { 143 [USIE_UC_STATUS] = { 144 .type = UE_INTERRUPT, 145 .endpoint = UE_ADDR_ANY, 146 .direction = UE_DIR_IN, 147 .bufsize = 0, /* use wMaxPacketSize */ 148 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 149 .callback = &usie_uc_status_callback, 150 }, 151 [USIE_UC_RX] = { 152 .type = UE_BULK, 153 .endpoint = UE_ADDR_ANY, 154 .direction = UE_DIR_IN, 155 .bufsize = USIE_BUFSIZE, 156 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, 157 .callback = &usie_uc_rx_callback, 158 }, 159 [USIE_UC_TX] = { 160 .type = UE_BULK, 161 .endpoint = UE_ADDR_ANY, 162 .direction = UE_DIR_OUT, 163 .bufsize = USIE_BUFSIZE, 164 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 165 .callback = &usie_uc_tx_callback, 166 } 167 }; 168 169 static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { 170 [USIE_IF_STATUS] = { 171 .type = UE_INTERRUPT, 172 .endpoint = UE_ADDR_ANY, 173 .direction = UE_DIR_IN, 174 .bufsize = 0, /* use wMaxPacketSize */ 175 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 176 .callback = &usie_if_status_callback, 177 }, 178 [USIE_IF_RX] = { 179 .type = UE_BULK, 180 .endpoint = UE_ADDR_ANY, 181 .direction = UE_DIR_IN, 182 .bufsize = USIE_BUFSIZE, 183 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 184 .callback = &usie_if_rx_callback, 185 }, 186 [USIE_IF_TX] = { 187 .type = UE_BULK, 188 .endpoint = UE_ADDR_ANY, 189 .direction = UE_DIR_OUT, 190 .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), 191 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 192 .callback = &usie_if_tx_callback, 193 } 194 }; 195 196 static device_method_t usie_methods[] = { 197 DEVMETHOD(device_probe, usie_probe), 198 DEVMETHOD(device_attach, usie_attach), 199 DEVMETHOD(device_detach, usie_detach), 200 DEVMETHOD_END 201 }; 202 203 static driver_t usie_driver = { 204 .name = "usie", 205 .methods = usie_methods, 206 .size = sizeof(struct usie_softc), 207 }; 208 209 static eventhandler_tag usie_etag; 210 211 DRIVER_MODULE(usie, uhub, usie_driver, usie_driver_loaded, NULL); 212 MODULE_DEPEND(usie, ucom, 1, 1, 1); 213 MODULE_DEPEND(usie, usb, 1, 1, 1); 214 MODULE_VERSION(usie, 1); 215 USB_PNP_HOST_INFO(usie_devs); 216 217 static const struct ucom_callback usie_uc_callback = { 218 .ucom_cfg_get_status = &usie_uc_cfg_get_status, 219 .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, 220 .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, 221 .ucom_cfg_open = &usie_uc_cfg_open, 222 .ucom_cfg_close = &usie_uc_cfg_close, 223 .ucom_start_read = &usie_uc_start_read, 224 .ucom_stop_read = &usie_uc_stop_read, 225 .ucom_start_write = &usie_uc_start_write, 226 .ucom_stop_write = &usie_uc_stop_write, 227 .ucom_free = &usie_free, 228 }; 229 230 static void 231 usie_autoinst(void *arg, struct usb_device *udev, 232 struct usb_attach_arg *uaa) 233 { 234 struct usb_interface *iface; 235 struct usb_interface_descriptor *id; 236 struct usb_device_request req; 237 int err; 238 239 if (uaa->dev_state != UAA_DEV_READY) 240 return; 241 242 iface = usbd_get_iface(udev, 0); 243 if (iface == NULL) 244 return; 245 246 id = iface->idesc; 247 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 248 return; 249 250 if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) 251 return; /* no device match */ 252 253 if (bootverbose) { 254 DPRINTF("Ejecting %s %s\n", 255 usb_get_manufacturer(udev), 256 usb_get_product(udev)); 257 } 258 req.bmRequestType = UT_VENDOR; 259 req.bRequest = UR_SET_INTERFACE; 260 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 261 USETW(req.wIndex, UHF_PORT_CONNECTION); 262 USETW(req.wLength, 0); 263 264 /* at this moment there is no mutex */ 265 err = usbd_do_request_flags(udev, NULL, &req, 266 NULL, 0, NULL, 250 /* ms */ ); 267 268 /* success, mark the udev as disappearing */ 269 if (err == 0) 270 uaa->dev_state = UAA_DEV_EJECTING; 271 } 272 273 static int 274 usie_probe(device_t self) 275 { 276 struct usb_attach_arg *uaa = device_get_ivars(self); 277 278 if (uaa->usb_mode != USB_MODE_HOST) 279 return (ENXIO); 280 if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) 281 return (ENXIO); 282 if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) 283 return (ENXIO); 284 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) 285 return (ENXIO); 286 287 return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); 288 } 289 290 static int 291 usie_attach(device_t self) 292 { 293 struct usie_softc *sc = device_get_softc(self); 294 struct usb_attach_arg *uaa = device_get_ivars(self); 295 if_t ifp; 296 struct usb_interface *iface; 297 struct usb_interface_descriptor *id; 298 struct usb_device_request req; 299 int err; 300 uint16_t fwattr; 301 uint8_t iface_index; 302 uint8_t ifidx; 303 uint8_t start; 304 305 device_set_usb_desc(self); 306 sc->sc_udev = uaa->device; 307 sc->sc_dev = self; 308 309 mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); 310 ucom_ref(&sc->sc_super_ucom); 311 312 TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); 313 TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); 314 315 usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); 316 317 mtx_lock(&sc->sc_mtx); 318 319 /* set power mode to D0 */ 320 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 321 req.bRequest = USIE_POWER; 322 USETW(req.wValue, 0); 323 USETW(req.wIndex, 0); 324 USETW(req.wLength, 0); 325 if (usie_do_request(sc, &req, NULL)) { 326 mtx_unlock(&sc->sc_mtx); 327 goto detach; 328 } 329 /* read fw attr */ 330 fwattr = 0; 331 req.bmRequestType = UT_READ_VENDOR_DEVICE; 332 req.bRequest = USIE_FW_ATTR; 333 USETW(req.wValue, 0); 334 USETW(req.wIndex, 0); 335 USETW(req.wLength, sizeof(fwattr)); 336 if (usie_do_request(sc, &req, &fwattr)) { 337 mtx_unlock(&sc->sc_mtx); 338 goto detach; 339 } 340 mtx_unlock(&sc->sc_mtx); 341 342 /* check DHCP supports */ 343 DPRINTF("fwattr=%x\n", fwattr); 344 if (!(fwattr & USIE_FW_DHCP)) { 345 device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); 346 } 347 348 /* find available interfaces */ 349 sc->sc_nucom = 0; 350 for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { 351 iface = usbd_get_iface(uaa->device, ifidx); 352 if (iface == NULL) 353 break; 354 355 id = usbd_get_interface_descriptor(iface); 356 if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) 357 continue; 358 359 /* setup Direct IP transfer */ 360 if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { 361 sc->sc_if_ifnum = id->bInterfaceNumber; 362 iface_index = ifidx; 363 364 DPRINTF("ifnum=%d, ifidx=%d\n", 365 sc->sc_if_ifnum, ifidx); 366 367 err = usbd_transfer_setup(uaa->device, 368 &iface_index, sc->sc_if_xfer, usie_if_config, 369 USIE_IF_N_XFER, sc, &sc->sc_mtx); 370 371 if (err == 0) 372 continue; 373 374 device_printf(self, 375 "could not allocate USB transfers on " 376 "iface_index=%d, err=%s\n", 377 iface_index, usbd_errstr(err)); 378 goto detach; 379 } 380 381 /* setup ucom */ 382 if (sc->sc_nucom >= USIE_UCOM_MAX) 383 continue; 384 385 usbd_set_parent_iface(uaa->device, ifidx, 386 uaa->info.bIfaceIndex); 387 388 DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", 389 id->bNumEndpoints, id->bInterfaceNumber); 390 391 if (id->bNumEndpoints == 2) { 392 sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; 393 start = 1; 394 } else 395 start = 0; 396 397 err = usbd_transfer_setup(uaa->device, &ifidx, 398 sc->sc_uc_xfer[sc->sc_nucom] + start, 399 usie_uc_config + start, USIE_UC_N_XFER - start, 400 &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); 401 402 if (err != 0) { 403 DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); 404 continue; 405 } 406 407 mtx_lock(&sc->sc_mtx); 408 for (; start < USIE_UC_N_XFER; start++) 409 usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); 410 mtx_unlock(&sc->sc_mtx); 411 412 sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; 413 414 sc->sc_nucom++; /* found a port */ 415 } 416 417 if (sc->sc_nucom == 0) { 418 device_printf(self, "no comports found\n"); 419 goto detach; 420 } 421 422 err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 423 sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); 424 425 if (err != 0) { 426 DPRINTF("ucom_attach failed\n"); 427 goto detach; 428 } 429 DPRINTF("Found %d interfaces.\n", sc->sc_nucom); 430 431 /* setup ifnet (Direct IP) */ 432 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 433 if_initname(ifp, "usie", device_get_unit(self)); 434 435 if_setsoftc(ifp, sc); 436 if_setmtu(ifp, USIE_MTU_MAX); 437 if_setflagbits(ifp, IFF_NOARP, 0); 438 if_setinitfn(ifp, usie_if_init); 439 if_setioctlfn(ifp, usie_if_ioctl); 440 if_setstartfn(ifp, usie_if_start); 441 if_setoutputfn(ifp, usie_if_output); 442 if_setsendqlen(ifp, ifqmaxlen); 443 if_setsendqready(ifp); 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); 458 459 detach: 460 usie_detach(self); 461 return (ENOMEM); 462 } 463 464 static int 465 usie_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 device_claim_softc(self); 490 491 usie_free_softc(sc); 492 493 return (0); 494 } 495 496 UCOM_UNLOAD_DRAIN(usie); 497 498 static void 499 usie_free_softc(struct usie_softc *sc) 500 { 501 if (ucom_unref(&sc->sc_super_ucom)) { 502 mtx_destroy(&sc->sc_mtx); 503 device_free_softc(sc); 504 } 505 } 506 507 static void 508 usie_free(struct ucom_softc *ucom) 509 { 510 usie_free_softc(ucom->sc_parent); 511 } 512 513 static void 514 usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 515 { 516 struct usie_softc *sc = ucom->sc_parent; 517 struct usb_device_request req; 518 519 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 520 return; 521 522 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 523 req.bRequest = USIE_LINK_STATE; 524 USETW(req.wValue, ls); 525 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 526 USETW(req.wLength, 0); 527 528 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 529 530 usie_do_request(sc, &req, NULL); 531 } 532 533 static void 534 usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 535 { 536 struct usie_softc *sc = ucom->sc_parent; 537 538 *msr = sc->sc_msr; 539 *lsr = sc->sc_lsr; 540 } 541 542 static void 543 usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 544 { 545 uint8_t dtr; 546 547 dtr = flag ? USIE_LS_DTR : 0; 548 usie_uc_update_line_state(ucom, dtr); 549 } 550 551 static void 552 usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 553 { 554 uint8_t rts; 555 556 rts = flag ? USIE_LS_RTS : 0; 557 usie_uc_update_line_state(ucom, rts); 558 } 559 560 static void 561 usie_uc_cfg_open(struct ucom_softc *ucom) 562 { 563 struct usie_softc *sc = ucom->sc_parent; 564 565 /* usbd_transfer_start() is NULL safe */ 566 567 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 568 } 569 570 static void 571 usie_uc_cfg_close(struct ucom_softc *ucom) 572 { 573 struct usie_softc *sc = ucom->sc_parent; 574 575 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 576 } 577 578 static void 579 usie_uc_start_read(struct ucom_softc *ucom) 580 { 581 struct usie_softc *sc = ucom->sc_parent; 582 583 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 584 } 585 586 static void 587 usie_uc_stop_read(struct ucom_softc *ucom) 588 { 589 struct usie_softc *sc = ucom->sc_parent; 590 591 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 592 } 593 594 static void 595 usie_uc_start_write(struct ucom_softc *ucom) 596 { 597 struct usie_softc *sc = ucom->sc_parent; 598 599 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 600 } 601 602 static void 603 usie_uc_stop_write(struct ucom_softc *ucom) 604 { 605 struct usie_softc *sc = ucom->sc_parent; 606 607 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 608 } 609 610 static void 611 usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 612 { 613 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 614 struct usie_softc *sc = ucom->sc_parent; 615 struct usb_page_cache *pc; 616 uint32_t actlen; 617 618 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 619 620 switch (USB_GET_STATE(xfer)) { 621 case USB_ST_TRANSFERRED: 622 pc = usbd_xfer_get_frame(xfer, 0); 623 624 /* handle CnS response */ 625 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 626 DPRINTF("transferred=%u\n", actlen); 627 628 /* check if it is really CnS reply */ 629 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 630 631 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 632 /* verify actlen */ 633 if (actlen > USIE_BUFSIZE) 634 actlen = USIE_BUFSIZE; 635 636 /* get complete message */ 637 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 638 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 639 640 /* need to fall though */ 641 goto tr_setup; 642 } 643 /* else call ucom_put_data() */ 644 } 645 /* standard ucom transfer */ 646 ucom_put_data(ucom, pc, 0, actlen); 647 648 /* fall though */ 649 case USB_ST_SETUP: 650 tr_setup: 651 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 652 usbd_transfer_submit(xfer); 653 break; 654 655 default: /* Error */ 656 if (error != USB_ERR_CANCELLED) { 657 usbd_xfer_set_stall(xfer); 658 goto tr_setup; 659 } 660 break; 661 } 662 } 663 664 static void 665 usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 666 { 667 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 668 struct usb_page_cache *pc; 669 uint32_t actlen; 670 671 switch (USB_GET_STATE(xfer)) { 672 case USB_ST_TRANSFERRED: 673 case USB_ST_SETUP: 674 tr_setup: 675 pc = usbd_xfer_get_frame(xfer, 0); 676 677 /* handle CnS request */ 678 struct mbuf *m = usbd_xfer_get_priv(xfer); 679 680 if (m != NULL) { 681 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 682 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 683 usbd_xfer_set_priv(xfer, NULL); 684 usbd_transfer_submit(xfer); 685 m_freem(m); 686 break; 687 } 688 /* standard ucom transfer */ 689 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 690 usbd_xfer_set_frame_len(xfer, 0, actlen); 691 usbd_transfer_submit(xfer); 692 } 693 break; 694 695 default: /* Error */ 696 if (error != USB_ERR_CANCELLED) { 697 usbd_xfer_set_stall(xfer); 698 goto tr_setup; 699 } 700 break; 701 } 702 } 703 704 static void 705 usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 706 { 707 struct usb_page_cache *pc; 708 struct { 709 struct usb_device_request req; 710 uint16_t param; 711 } st; 712 uint32_t actlen; 713 uint16_t param; 714 715 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 716 717 switch (USB_GET_STATE(xfer)) { 718 case USB_ST_TRANSFERRED: 719 DPRINTFN(4, "info received, actlen=%u\n", actlen); 720 721 if (actlen < sizeof(st)) { 722 DPRINTF("data too short actlen=%u\n", actlen); 723 goto tr_setup; 724 } 725 pc = usbd_xfer_get_frame(xfer, 0); 726 usbd_copy_out(pc, 0, &st, sizeof(st)); 727 728 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 729 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 730 struct usie_softc *sc = ucom->sc_parent; 731 732 param = le16toh(st.param); 733 DPRINTF("param=%x\n", param); 734 sc->sc_msr = sc->sc_lsr = 0; 735 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 736 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 737 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 738 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 739 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 740 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 741 } 742 /* fall though */ 743 case USB_ST_SETUP: 744 tr_setup: 745 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 746 usbd_transfer_submit(xfer); 747 break; 748 749 default: /* Error */ 750 DPRINTF("USB transfer error, %s\n", 751 usbd_errstr(error)); 752 753 if (error != USB_ERR_CANCELLED) { 754 usbd_xfer_set_stall(xfer); 755 goto tr_setup; 756 } 757 break; 758 } 759 } 760 761 static void 762 usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 763 { 764 struct epoch_tracker et; 765 struct usie_softc *sc = usbd_xfer_softc(xfer); 766 if_t ifp = sc->sc_ifp; 767 struct mbuf *m0; 768 struct mbuf *m = NULL; 769 struct usie_desc *rxd; 770 uint32_t actlen; 771 uint16_t err; 772 uint16_t pkt; 773 uint16_t ipl; 774 uint16_t len; 775 uint16_t diff; 776 uint8_t pad; 777 uint8_t ipv; 778 779 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 780 781 switch (USB_GET_STATE(xfer)) { 782 case USB_ST_TRANSFERRED: 783 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 784 785 if (actlen < sizeof(struct usie_hip)) { 786 DPRINTF("data too short %u\n", actlen); 787 goto tr_setup; 788 } 789 m = sc->sc_rxm; 790 sc->sc_rxm = NULL; 791 792 /* fall though */ 793 case USB_ST_SETUP: 794 tr_setup: 795 796 if (sc->sc_rxm == NULL) { 797 sc->sc_rxm = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 798 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 799 } 800 if (sc->sc_rxm == NULL) { 801 DPRINTF("could not allocate Rx mbuf\n"); 802 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 803 usbd_xfer_set_stall(xfer); 804 usbd_xfer_set_frames(xfer, 0); 805 } else { 806 /* 807 * Directly loading a mbuf cluster into DMA to 808 * save some data copying. This works because 809 * there is only one cluster. 810 */ 811 usbd_xfer_set_frame_data(xfer, 0, 812 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 813 usbd_xfer_set_frames(xfer, 1); 814 } 815 usbd_transfer_submit(xfer); 816 break; 817 818 default: /* Error */ 819 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 820 821 if (error != USB_ERR_CANCELLED) { 822 /* try to clear stall first */ 823 usbd_xfer_set_stall(xfer); 824 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 825 goto tr_setup; 826 } 827 if (sc->sc_rxm != NULL) { 828 m_freem(sc->sc_rxm); 829 sc->sc_rxm = NULL; 830 } 831 break; 832 } 833 834 if (m == NULL) 835 return; 836 837 mtx_unlock(&sc->sc_mtx); 838 839 m->m_pkthdr.len = m->m_len = actlen; 840 841 err = pkt = 0; 842 843 /* HW can aggregate multiple frames in a single USB xfer */ 844 NET_EPOCH_ENTER(et); 845 for (;;) { 846 rxd = mtod(m, struct usie_desc *); 847 848 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 849 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 850 ipl = (len - pad - ETHER_HDR_LEN); 851 if (ipl >= len) { 852 DPRINTF("Corrupt frame\n"); 853 m_freem(m); 854 break; 855 } 856 diff = sizeof(struct usie_desc) + ipl + pad; 857 858 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 859 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 860 DPRINTF("received wrong type of packet\n"); 861 m->m_data += diff; 862 m->m_pkthdr.len = (m->m_len -= diff); 863 err++; 864 if (m->m_pkthdr.len > 0) 865 continue; 866 m_freem(m); 867 break; 868 } 869 switch (be16toh(rxd->ethhdr.ether_type)) { 870 case ETHERTYPE_IP: 871 ipv = NETISR_IP; 872 break; 873 #ifdef INET6 874 case ETHERTYPE_IPV6: 875 ipv = NETISR_IPV6; 876 break; 877 #endif 878 default: 879 DPRINTF("unsupported ether type\n"); 880 err++; 881 break; 882 } 883 884 /* the last packet */ 885 if (m->m_pkthdr.len <= diff) { 886 m->m_data += (sizeof(struct usie_desc) + pad); 887 m->m_pkthdr.len = m->m_len = ipl; 888 m->m_pkthdr.rcvif = ifp; 889 BPF_MTAP(sc->sc_ifp, m); 890 netisr_dispatch(ipv, m); 891 break; 892 } 893 /* copy aggregated frames to another mbuf */ 894 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 895 if (__predict_false(m0 == NULL)) { 896 DPRINTF("could not allocate mbuf\n"); 897 err++; 898 m_freem(m); 899 break; 900 } 901 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 902 m0->m_pkthdr.rcvif = ifp; 903 m0->m_pkthdr.len = m0->m_len = ipl; 904 905 BPF_MTAP(sc->sc_ifp, m0); 906 netisr_dispatch(ipv, m0); 907 908 m->m_data += diff; 909 m->m_pkthdr.len = (m->m_len -= diff); 910 } 911 NET_EPOCH_EXIT(et); 912 913 mtx_lock(&sc->sc_mtx); 914 915 if_inc_counter(ifp, IFCOUNTER_IERRORS, err); 916 if_inc_counter(ifp, IFCOUNTER_IPACKETS, pkt); 917 } 918 919 static void 920 usie_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 if_t 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 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 932 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 933 934 /* fall though */ 935 case USB_ST_SETUP: 936 tr_setup: 937 938 if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) 939 break; 940 941 m = if_dequeue(ifp); 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 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 973 974 if (error != USB_ERR_CANCELLED) { 975 usbd_xfer_set_stall(xfer); 976 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 977 goto tr_setup; 978 } 979 break; 980 } 981 } 982 983 static void 984 usie_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: 1013 tr_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 1030 static void 1031 usie_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 1038 static void 1039 usie_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 1054 static void 1055 usie_if_status_cb(void *arg, int pending) 1056 { 1057 struct usie_softc *sc = arg; 1058 if_t 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 if_setflagbits(ifp, IFF_UP, 0); 1138 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); 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 1167 static void 1168 usie_if_start(if_t ifp) 1169 { 1170 struct usie_softc *sc = if_getsoftc(ifp); 1171 1172 if (!(if_getdrvflags(ifp) & 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 1183 static int 1184 usie_if_output(if_t ifp, struct mbuf *m, const 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 = if_transmit(ifp, m); 1211 if (err) { 1212 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1213 return (ENOBUFS); 1214 } 1215 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1216 1217 return (0); 1218 } 1219 1220 static void 1221 usie_if_init(void *arg) 1222 { 1223 struct usie_softc *sc = arg; 1224 if_t 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 (!(if_getdrvflags(ifp) & 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 1250 static void 1251 usie_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 1270 static int 1271 usie_if_ioctl(if_t ifp, u_long cmd, caddr_t data) 1272 { 1273 struct usie_softc *sc = if_getsoftc(ifp); 1274 struct ieee80211req *ireq; 1275 struct ieee80211req_sta_info si; 1276 struct ifmediareq *ifmr; 1277 1278 switch (cmd) { 1279 case SIOCSIFFLAGS: 1280 if (if_getflags(ifp) & IFF_UP) { 1281 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) 1282 usie_if_init(sc); 1283 } else { 1284 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) 1285 usie_if_stop(sc); 1286 } 1287 break; 1288 1289 case SIOCSIFCAP: 1290 if (!(if_getdrvflags(ifp) & 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 break; 1327 1328 default: 1329 return (EINVAL); 1330 } 1331 return (0); 1332 } 1333 1334 static int 1335 usie_do_request(struct usie_softc *sc, struct usb_device_request *req, 1336 void *data) 1337 { 1338 int err = 0; 1339 int ntries; 1340 1341 mtx_assert(&sc->sc_mtx, MA_OWNED); 1342 1343 for (ntries = 0; ntries != 10; ntries++) { 1344 err = usbd_do_request(sc->sc_udev, 1345 &sc->sc_mtx, req, data); 1346 if (err == 0) 1347 break; 1348 1349 DPRINTF("Control request failed: %s %d/10\n", 1350 usbd_errstr(err), ntries); 1351 1352 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1353 } 1354 return (err); 1355 } 1356 1357 static int 1358 usie_if_cmd(struct usie_softc *sc, uint8_t cmd) 1359 { 1360 struct usb_device_request req; 1361 struct usie_hip msg; 1362 1363 msg.len = 0; 1364 msg.id = cmd; 1365 msg.param = 0; 1366 1367 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1368 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1369 USETW(req.wValue, 0); 1370 USETW(req.wIndex, sc->sc_if_ifnum); 1371 USETW(req.wLength, sizeof(msg)); 1372 1373 DPRINTF("cmd=%x\n", cmd); 1374 1375 return (usie_do_request(sc, &req, &msg)); 1376 } 1377 1378 static void 1379 usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) 1380 { 1381 if_t ifp = sc->sc_ifp; 1382 struct mbuf *m; 1383 struct usb_xfer *xfer; 1384 struct usie_hip *hip; 1385 struct usie_cns *cns; 1386 uint8_t *param; 1387 uint8_t *tmp; 1388 uint8_t cns_len; 1389 1390 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1391 if (__predict_false(m == NULL)) { 1392 DPRINTF("could not allocate mbuf\n"); 1393 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1394 return; 1395 } 1396 /* to align usie_hip{} on 32 bit */ 1397 m->m_data += 3; 1398 param = mtod(m, uint8_t *); 1399 *param++ = USIE_HIP_FRM_CHR; 1400 hip = (struct usie_hip *)param; 1401 cns = (struct usie_cns *)(hip + 1); 1402 1403 tmp = param + USIE_HIPCNS_MIN - 2; 1404 1405 switch (obj) { 1406 case USIE_CNS_OB_LINK_UPDATE: 1407 cns_len = 2; 1408 cns->op = USIE_CNS_OP_SET; 1409 *tmp++ = 1; /* profile ID, always use 1 for now */ 1410 *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; 1411 break; 1412 1413 case USIE_CNS_OB_PROF_WRITE: 1414 cns_len = 245; 1415 cns->op = USIE_CNS_OP_SET; 1416 *tmp++ = 1; /* profile ID, always use 1 for now */ 1417 *tmp++ = 2; 1418 memcpy(tmp, &sc->sc_net, 34); 1419 memset(tmp + 35, 0, 245 - 36); 1420 tmp += 243; 1421 break; 1422 1423 case USIE_CNS_OB_RSSI: 1424 cns_len = 0; 1425 cns->op = USIE_CNS_OP_REQ; 1426 break; 1427 1428 default: 1429 DPRINTF("unsupported CnS object type\n"); 1430 return; 1431 } 1432 *tmp = USIE_HIP_FRM_CHR; 1433 1434 hip->len = htobe16(sizeof(struct usie_cns) + cns_len); 1435 hip->id = USIE_HIP_CNS2M; 1436 hip->param = 0; /* none for CnS */ 1437 1438 cns->obj = htobe16(obj); 1439 cns->id = htobe32(id); 1440 cns->len = cns_len; 1441 cns->rsv0 = cns->rsv1 = 0; /* always '0' */ 1442 1443 param = (uint8_t *)(cns + 1); 1444 1445 DPRINTF("param: %16D\n", param, ":"); 1446 1447 m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; 1448 1449 xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; 1450 1451 if (usbd_xfer_get_priv(xfer) == NULL) { 1452 usbd_xfer_set_priv(xfer, m); 1453 usbd_transfer_start(xfer); 1454 } else { 1455 DPRINTF("Dropped CNS event\n"); 1456 m_freem(m); 1457 } 1458 } 1459 1460 static void 1461 usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) 1462 { 1463 if_t ifp = sc->sc_ifp; 1464 1465 DPRINTF("received CnS\n"); 1466 1467 switch (be16toh(cns->obj)) { 1468 case USIE_CNS_OB_LINK_UPDATE: 1469 if (be32toh(cns->id) & USIE_CNS_ID_INIT) 1470 usie_if_sync_to(sc); 1471 else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { 1472 if_setflagbits(ifp, 0, IFF_UP); 1473 if_setdrvflagbits(ifp, 0, 1474 IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1475 } else 1476 DPRINTF("undefined link update\n"); 1477 break; 1478 1479 case USIE_CNS_OB_RSSI: 1480 sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); 1481 if (sc->sc_rssi <= 0) 1482 device_printf(sc->sc_dev, "No signal\n"); 1483 else { 1484 device_printf(sc->sc_dev, "RSSI=%ddBm\n", 1485 sc->sc_rssi - 110); 1486 } 1487 break; 1488 1489 case USIE_CNS_OB_PROF_WRITE: 1490 break; 1491 1492 case USIE_CNS_OB_PDP_READ: 1493 break; 1494 1495 default: 1496 DPRINTF("undefined CnS\n"); 1497 break; 1498 } 1499 } 1500 1501 static void 1502 usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) 1503 { 1504 struct usie_hip *hip; 1505 struct usie_cns *cns; 1506 uint32_t i; 1507 uint32_t j; 1508 uint32_t off; 1509 uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); 1510 1511 for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { 1512 uint8_t pad; 1513 1514 while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) 1515 off++; 1516 1517 /* Unstuff the bytes */ 1518 for (i = j = 0; ((i + off) < len) && 1519 (j < USIE_HIPCNS_MAX); i++) { 1520 if (rsp[i + off] == USIE_HIP_FRM_CHR) 1521 break; 1522 1523 if (rsp[i + off] == USIE_HIP_ESC_CHR) { 1524 if ((i + off + 1) >= len) 1525 break; 1526 tmp[j++] = rsp[i++ + off + 1] ^ 0x20; 1527 } else { 1528 tmp[j++] = rsp[i + off]; 1529 } 1530 } 1531 1532 off += i; 1533 1534 DPRINTF("frame len=%d\n", j); 1535 1536 if (j < sizeof(struct usie_hip)) { 1537 DPRINTF("too little data\n"); 1538 break; 1539 } 1540 /* 1541 * Make sure we are not reading the stack if something 1542 * is wrong. 1543 */ 1544 memset(tmp + j, 0, sizeof(tmp) - j); 1545 1546 hip = (struct usie_hip *)tmp; 1547 1548 DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", 1549 be16toh(hip->len), hip->id, hip->param); 1550 1551 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1552 1553 if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { 1554 cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); 1555 1556 if (j < (sizeof(struct usie_cns) + 1557 sizeof(struct usie_hip) + pad)) { 1558 DPRINTF("too little data\n"); 1559 break; 1560 } 1561 DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " 1562 "app=%08x, rsv1=%02x, len=%d\n", 1563 be16toh(cns->obj), cns->op, cns->rsv0, 1564 be32toh(cns->id), cns->rsv1, cns->len); 1565 1566 if (cns->op & USIE_CNS_OP_ERR) 1567 DPRINTF("CnS error response\n"); 1568 else 1569 usie_cns_rsp(sc, cns); 1570 1571 i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); 1572 j = cns->len; 1573 } else { 1574 i = sizeof(struct usie_hip) + pad; 1575 j = be16toh(hip->len); 1576 } 1577 #ifdef USB_DEBUG 1578 if (usie_debug == 0) 1579 continue; 1580 1581 while (i < USIE_HIPCNS_MAX && j > 0) { 1582 DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); 1583 i++; 1584 j--; 1585 } 1586 #endif 1587 } 1588 } 1589 1590 static int 1591 usie_driver_loaded(struct module *mod, int what, void *arg) 1592 { 1593 switch (what) { 1594 case MOD_LOAD: 1595 /* register autoinstall handler */ 1596 usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 1597 usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); 1598 break; 1599 case MOD_UNLOAD: 1600 EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); 1601 break; 1602 default: 1603 return (EOPNOTSUPP); 1604 } 1605 return (0); 1606 } 1607