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); 433 434 if (ifp == NULL) { 435 device_printf(self, "Could not allocate a network interface\n"); 436 goto detach; 437 } 438 if_initname(ifp, "usie", device_get_unit(self)); 439 440 if_setsoftc(ifp, sc); 441 if_setmtu(ifp, USIE_MTU_MAX); 442 if_setflagbits(ifp, IFF_NOARP, 0); 443 if_setinitfn(ifp, usie_if_init); 444 if_setioctlfn(ifp, usie_if_ioctl); 445 if_setstartfn(ifp, usie_if_start); 446 if_setoutputfn(ifp, usie_if_output); 447 if_setsendqlen(ifp, ifqmaxlen); 448 if_setsendqready(ifp); 449 450 if_attach(ifp); 451 bpfattach(ifp, DLT_RAW, 0); 452 453 if (fwattr & USIE_PM_AUTO) { 454 usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); 455 DPRINTF("enabling automatic suspend and resume\n"); 456 } else { 457 usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); 458 DPRINTF("USB power is always ON\n"); 459 } 460 461 DPRINTF("device attached\n"); 462 return (0); 463 464 detach: 465 usie_detach(self); 466 return (ENOMEM); 467 } 468 469 static int 470 usie_detach(device_t self) 471 { 472 struct usie_softc *sc = device_get_softc(self); 473 uint8_t x; 474 475 /* detach ifnet */ 476 if (sc->sc_ifp != NULL) { 477 usie_if_stop(sc); 478 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 479 bpfdetach(sc->sc_ifp); 480 if_detach(sc->sc_ifp); 481 if_free(sc->sc_ifp); 482 sc->sc_ifp = NULL; 483 } 484 /* detach ucom */ 485 if (sc->sc_nucom > 0) 486 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 487 488 /* stop all USB transfers */ 489 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 490 491 for (x = 0; x != USIE_UCOM_MAX; x++) 492 usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); 493 494 device_claim_softc(self); 495 496 usie_free_softc(sc); 497 498 return (0); 499 } 500 501 UCOM_UNLOAD_DRAIN(usie); 502 503 static void 504 usie_free_softc(struct usie_softc *sc) 505 { 506 if (ucom_unref(&sc->sc_super_ucom)) { 507 mtx_destroy(&sc->sc_mtx); 508 device_free_softc(sc); 509 } 510 } 511 512 static void 513 usie_free(struct ucom_softc *ucom) 514 { 515 usie_free_softc(ucom->sc_parent); 516 } 517 518 static void 519 usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 520 { 521 struct usie_softc *sc = ucom->sc_parent; 522 struct usb_device_request req; 523 524 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 525 return; 526 527 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 528 req.bRequest = USIE_LINK_STATE; 529 USETW(req.wValue, ls); 530 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 531 USETW(req.wLength, 0); 532 533 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 534 535 usie_do_request(sc, &req, NULL); 536 } 537 538 static void 539 usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 540 { 541 struct usie_softc *sc = ucom->sc_parent; 542 543 *msr = sc->sc_msr; 544 *lsr = sc->sc_lsr; 545 } 546 547 static void 548 usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 549 { 550 uint8_t dtr; 551 552 dtr = flag ? USIE_LS_DTR : 0; 553 usie_uc_update_line_state(ucom, dtr); 554 } 555 556 static void 557 usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 558 { 559 uint8_t rts; 560 561 rts = flag ? USIE_LS_RTS : 0; 562 usie_uc_update_line_state(ucom, rts); 563 } 564 565 static void 566 usie_uc_cfg_open(struct ucom_softc *ucom) 567 { 568 struct usie_softc *sc = ucom->sc_parent; 569 570 /* usbd_transfer_start() is NULL safe */ 571 572 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 573 } 574 575 static void 576 usie_uc_cfg_close(struct ucom_softc *ucom) 577 { 578 struct usie_softc *sc = ucom->sc_parent; 579 580 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 581 } 582 583 static void 584 usie_uc_start_read(struct ucom_softc *ucom) 585 { 586 struct usie_softc *sc = ucom->sc_parent; 587 588 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 589 } 590 591 static void 592 usie_uc_stop_read(struct ucom_softc *ucom) 593 { 594 struct usie_softc *sc = ucom->sc_parent; 595 596 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 597 } 598 599 static void 600 usie_uc_start_write(struct ucom_softc *ucom) 601 { 602 struct usie_softc *sc = ucom->sc_parent; 603 604 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 605 } 606 607 static void 608 usie_uc_stop_write(struct ucom_softc *ucom) 609 { 610 struct usie_softc *sc = ucom->sc_parent; 611 612 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 613 } 614 615 static void 616 usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 617 { 618 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 619 struct usie_softc *sc = ucom->sc_parent; 620 struct usb_page_cache *pc; 621 uint32_t actlen; 622 623 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 624 625 switch (USB_GET_STATE(xfer)) { 626 case USB_ST_TRANSFERRED: 627 pc = usbd_xfer_get_frame(xfer, 0); 628 629 /* handle CnS response */ 630 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 631 DPRINTF("transferred=%u\n", actlen); 632 633 /* check if it is really CnS reply */ 634 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 635 636 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 637 /* verify actlen */ 638 if (actlen > USIE_BUFSIZE) 639 actlen = USIE_BUFSIZE; 640 641 /* get complete message */ 642 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 643 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 644 645 /* need to fall though */ 646 goto tr_setup; 647 } 648 /* else call ucom_put_data() */ 649 } 650 /* standard ucom transfer */ 651 ucom_put_data(ucom, pc, 0, actlen); 652 653 /* fall though */ 654 case USB_ST_SETUP: 655 tr_setup: 656 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 657 usbd_transfer_submit(xfer); 658 break; 659 660 default: /* Error */ 661 if (error != USB_ERR_CANCELLED) { 662 usbd_xfer_set_stall(xfer); 663 goto tr_setup; 664 } 665 break; 666 } 667 } 668 669 static void 670 usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 671 { 672 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 673 struct usb_page_cache *pc; 674 uint32_t actlen; 675 676 switch (USB_GET_STATE(xfer)) { 677 case USB_ST_TRANSFERRED: 678 case USB_ST_SETUP: 679 tr_setup: 680 pc = usbd_xfer_get_frame(xfer, 0); 681 682 /* handle CnS request */ 683 struct mbuf *m = usbd_xfer_get_priv(xfer); 684 685 if (m != NULL) { 686 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 687 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 688 usbd_xfer_set_priv(xfer, NULL); 689 usbd_transfer_submit(xfer); 690 m_freem(m); 691 break; 692 } 693 /* standard ucom transfer */ 694 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 695 usbd_xfer_set_frame_len(xfer, 0, actlen); 696 usbd_transfer_submit(xfer); 697 } 698 break; 699 700 default: /* Error */ 701 if (error != USB_ERR_CANCELLED) { 702 usbd_xfer_set_stall(xfer); 703 goto tr_setup; 704 } 705 break; 706 } 707 } 708 709 static void 710 usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 711 { 712 struct usb_page_cache *pc; 713 struct { 714 struct usb_device_request req; 715 uint16_t param; 716 } st; 717 uint32_t actlen; 718 uint16_t param; 719 720 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 721 722 switch (USB_GET_STATE(xfer)) { 723 case USB_ST_TRANSFERRED: 724 DPRINTFN(4, "info received, actlen=%u\n", actlen); 725 726 if (actlen < sizeof(st)) { 727 DPRINTF("data too short actlen=%u\n", actlen); 728 goto tr_setup; 729 } 730 pc = usbd_xfer_get_frame(xfer, 0); 731 usbd_copy_out(pc, 0, &st, sizeof(st)); 732 733 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 734 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 735 struct usie_softc *sc = ucom->sc_parent; 736 737 param = le16toh(st.param); 738 DPRINTF("param=%x\n", param); 739 sc->sc_msr = sc->sc_lsr = 0; 740 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 741 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 742 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 743 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 744 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 745 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 746 } 747 /* fall though */ 748 case USB_ST_SETUP: 749 tr_setup: 750 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 751 usbd_transfer_submit(xfer); 752 break; 753 754 default: /* Error */ 755 DPRINTF("USB transfer error, %s\n", 756 usbd_errstr(error)); 757 758 if (error != USB_ERR_CANCELLED) { 759 usbd_xfer_set_stall(xfer); 760 goto tr_setup; 761 } 762 break; 763 } 764 } 765 766 static void 767 usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 768 { 769 struct epoch_tracker et; 770 struct usie_softc *sc = usbd_xfer_softc(xfer); 771 if_t ifp = sc->sc_ifp; 772 struct mbuf *m0; 773 struct mbuf *m = NULL; 774 struct usie_desc *rxd; 775 uint32_t actlen; 776 uint16_t err; 777 uint16_t pkt; 778 uint16_t ipl; 779 uint16_t len; 780 uint16_t diff; 781 uint8_t pad; 782 uint8_t ipv; 783 784 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 785 786 switch (USB_GET_STATE(xfer)) { 787 case USB_ST_TRANSFERRED: 788 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 789 790 if (actlen < sizeof(struct usie_hip)) { 791 DPRINTF("data too short %u\n", actlen); 792 goto tr_setup; 793 } 794 m = sc->sc_rxm; 795 sc->sc_rxm = NULL; 796 797 /* fall though */ 798 case USB_ST_SETUP: 799 tr_setup: 800 801 if (sc->sc_rxm == NULL) { 802 sc->sc_rxm = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 803 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 804 } 805 if (sc->sc_rxm == NULL) { 806 DPRINTF("could not allocate Rx mbuf\n"); 807 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 808 usbd_xfer_set_stall(xfer); 809 usbd_xfer_set_frames(xfer, 0); 810 } else { 811 /* 812 * Directly loading a mbuf cluster into DMA to 813 * save some data copying. This works because 814 * there is only one cluster. 815 */ 816 usbd_xfer_set_frame_data(xfer, 0, 817 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 818 usbd_xfer_set_frames(xfer, 1); 819 } 820 usbd_transfer_submit(xfer); 821 break; 822 823 default: /* Error */ 824 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 825 826 if (error != USB_ERR_CANCELLED) { 827 /* try to clear stall first */ 828 usbd_xfer_set_stall(xfer); 829 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 830 goto tr_setup; 831 } 832 if (sc->sc_rxm != NULL) { 833 m_freem(sc->sc_rxm); 834 sc->sc_rxm = NULL; 835 } 836 break; 837 } 838 839 if (m == NULL) 840 return; 841 842 mtx_unlock(&sc->sc_mtx); 843 844 m->m_pkthdr.len = m->m_len = actlen; 845 846 err = pkt = 0; 847 848 /* HW can aggregate multiple frames in a single USB xfer */ 849 NET_EPOCH_ENTER(et); 850 for (;;) { 851 rxd = mtod(m, struct usie_desc *); 852 853 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 854 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 855 ipl = (len - pad - ETHER_HDR_LEN); 856 if (ipl >= len) { 857 DPRINTF("Corrupt frame\n"); 858 m_freem(m); 859 break; 860 } 861 diff = sizeof(struct usie_desc) + ipl + pad; 862 863 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 864 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 865 DPRINTF("received wrong type of packet\n"); 866 m->m_data += diff; 867 m->m_pkthdr.len = (m->m_len -= diff); 868 err++; 869 if (m->m_pkthdr.len > 0) 870 continue; 871 m_freem(m); 872 break; 873 } 874 switch (be16toh(rxd->ethhdr.ether_type)) { 875 case ETHERTYPE_IP: 876 ipv = NETISR_IP; 877 break; 878 #ifdef INET6 879 case ETHERTYPE_IPV6: 880 ipv = NETISR_IPV6; 881 break; 882 #endif 883 default: 884 DPRINTF("unsupported ether type\n"); 885 err++; 886 break; 887 } 888 889 /* the last packet */ 890 if (m->m_pkthdr.len <= diff) { 891 m->m_data += (sizeof(struct usie_desc) + pad); 892 m->m_pkthdr.len = m->m_len = ipl; 893 m->m_pkthdr.rcvif = ifp; 894 BPF_MTAP(sc->sc_ifp, m); 895 netisr_dispatch(ipv, m); 896 break; 897 } 898 /* copy aggregated frames to another mbuf */ 899 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 900 if (__predict_false(m0 == NULL)) { 901 DPRINTF("could not allocate mbuf\n"); 902 err++; 903 m_freem(m); 904 break; 905 } 906 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 907 m0->m_pkthdr.rcvif = ifp; 908 m0->m_pkthdr.len = m0->m_len = ipl; 909 910 BPF_MTAP(sc->sc_ifp, m0); 911 netisr_dispatch(ipv, m0); 912 913 m->m_data += diff; 914 m->m_pkthdr.len = (m->m_len -= diff); 915 } 916 NET_EPOCH_EXIT(et); 917 918 mtx_lock(&sc->sc_mtx); 919 920 if_inc_counter(ifp, IFCOUNTER_IERRORS, err); 921 if_inc_counter(ifp, IFCOUNTER_IPACKETS, pkt); 922 } 923 924 static void 925 usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) 926 { 927 struct usie_softc *sc = usbd_xfer_softc(xfer); 928 struct usb_page_cache *pc; 929 if_t ifp = sc->sc_ifp; 930 struct mbuf *m; 931 uint16_t size; 932 933 switch (USB_GET_STATE(xfer)) { 934 case USB_ST_TRANSFERRED: 935 DPRINTFN(11, "transfer complete\n"); 936 if_setdrvflagbits(ifp, 0, IFF_DRV_OACTIVE); 937 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 938 939 /* fall though */ 940 case USB_ST_SETUP: 941 tr_setup: 942 943 if ((if_getdrvflags(ifp) & IFF_DRV_RUNNING) == 0) 944 break; 945 946 m = if_dequeue(ifp); 947 if (m == NULL) 948 break; 949 950 if (m->m_pkthdr.len > (int)(MCLBYTES - ETHER_HDR_LEN + 951 ETHER_CRC_LEN - sizeof(sc->sc_txd))) { 952 DPRINTF("packet len is too big: %d\n", 953 m->m_pkthdr.len); 954 break; 955 } 956 pc = usbd_xfer_get_frame(xfer, 0); 957 958 sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + 959 ETHER_HDR_LEN + ETHER_CRC_LEN); 960 size = sizeof(sc->sc_txd); 961 962 usbd_copy_in(pc, 0, &sc->sc_txd, size); 963 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 964 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + 965 size + ETHER_CRC_LEN); 966 967 BPF_MTAP(ifp, m); 968 969 m_freem(m); 970 971 usbd_transfer_submit(xfer); 972 break; 973 974 default: /* Error */ 975 DPRINTF("USB transfer error, %s\n", 976 usbd_errstr(error)); 977 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 978 979 if (error != USB_ERR_CANCELLED) { 980 usbd_xfer_set_stall(xfer); 981 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 982 goto tr_setup; 983 } 984 break; 985 } 986 } 987 988 static void 989 usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) 990 { 991 struct usie_softc *sc = usbd_xfer_softc(xfer); 992 struct usb_page_cache *pc; 993 struct usb_cdc_notification cdc; 994 uint32_t actlen; 995 996 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 997 998 switch (USB_GET_STATE(xfer)) { 999 case USB_ST_TRANSFERRED: 1000 DPRINTFN(4, "info received, actlen=%d\n", actlen); 1001 1002 /* usb_cdc_notification - .data[16] */ 1003 if (actlen < (sizeof(cdc) - 16)) { 1004 DPRINTF("data too short %d\n", actlen); 1005 goto tr_setup; 1006 } 1007 pc = usbd_xfer_get_frame(xfer, 0); 1008 usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); 1009 1010 DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); 1011 1012 if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { 1013 taskqueue_enqueue(taskqueue_thread, 1014 &sc->sc_if_status_task); 1015 } 1016 /* fall though */ 1017 case USB_ST_SETUP: 1018 tr_setup: 1019 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1020 usbd_transfer_submit(xfer); 1021 break; 1022 1023 default: /* Error */ 1024 DPRINTF("USB transfer error, %s\n", 1025 usbd_errstr(error)); 1026 1027 if (error != USB_ERR_CANCELLED) { 1028 usbd_xfer_set_stall(xfer); 1029 goto tr_setup; 1030 } 1031 break; 1032 } 1033 } 1034 1035 static void 1036 usie_if_sync_to(void *arg) 1037 { 1038 struct usie_softc *sc = arg; 1039 1040 taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); 1041 } 1042 1043 static void 1044 usie_if_sync_cb(void *arg, int pending) 1045 { 1046 struct usie_softc *sc = arg; 1047 1048 mtx_lock(&sc->sc_mtx); 1049 1050 /* call twice */ 1051 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1052 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1053 1054 usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); 1055 1056 mtx_unlock(&sc->sc_mtx); 1057 } 1058 1059 static void 1060 usie_if_status_cb(void *arg, int pending) 1061 { 1062 struct usie_softc *sc = arg; 1063 if_t ifp = sc->sc_ifp; 1064 struct usb_device_request req; 1065 struct usie_hip *hip; 1066 struct usie_lsi *lsi; 1067 uint16_t actlen; 1068 uint8_t ntries; 1069 uint8_t pad; 1070 1071 mtx_lock(&sc->sc_mtx); 1072 1073 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1074 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1075 USETW(req.wValue, 0); 1076 USETW(req.wIndex, sc->sc_if_ifnum); 1077 USETW(req.wLength, sizeof(sc->sc_status_temp)); 1078 1079 for (ntries = 0; ntries != 10; ntries++) { 1080 int err; 1081 1082 err = usbd_do_request_flags(sc->sc_udev, 1083 &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, 1084 &actlen, USB_DEFAULT_TIMEOUT); 1085 1086 if (err == 0) 1087 break; 1088 1089 DPRINTF("Control request failed: %s %d/10\n", 1090 usbd_errstr(err), ntries); 1091 1092 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1093 } 1094 1095 if (ntries == 10) { 1096 mtx_unlock(&sc->sc_mtx); 1097 DPRINTF("Timeout\n"); 1098 return; 1099 } 1100 1101 hip = (struct usie_hip *)sc->sc_status_temp; 1102 1103 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1104 1105 DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", 1106 hip->id, be16toh(hip->len), actlen, pad); 1107 1108 switch (hip->id & USIE_HIP_MASK) { 1109 case USIE_HIP_SYNC2H: 1110 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1111 break; 1112 case USIE_HIP_RESTR: 1113 usb_callout_stop(&sc->sc_if_sync_ch); 1114 break; 1115 case USIE_HIP_UMTS: 1116 lsi = (struct usie_lsi *)( 1117 sc->sc_status_temp + sizeof(struct usie_hip) + pad); 1118 1119 DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, 1120 be16toh(lsi->len)); 1121 1122 if (lsi->proto != USIE_LSI_UMTS) 1123 break; 1124 1125 if (lsi->area == USIE_LSI_AREA_NO || 1126 lsi->area == USIE_LSI_AREA_NODATA) { 1127 device_printf(sc->sc_dev, "no service available\n"); 1128 break; 1129 } 1130 if (lsi->state == USIE_LSI_STATE_IDLE) { 1131 DPRINTF("lsi.state=%x\n", lsi->state); 1132 break; 1133 } 1134 DPRINTF("ctx=%x\n", hip->param); 1135 sc->sc_txd.hip.param = hip->param; 1136 1137 sc->sc_net.addr_len = lsi->pdp_addr_len; 1138 memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); 1139 memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); 1140 memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); 1141 memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); 1142 if_setflagbits(ifp, IFF_UP, 0); 1143 if_setdrvflagbits(ifp, IFF_DRV_RUNNING, 0); 1144 1145 device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", 1146 *lsi->pdp_addr, *(lsi->pdp_addr + 1), 1147 *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); 1148 device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", 1149 *lsi->gw_addr, *(lsi->gw_addr + 1), 1150 *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); 1151 device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", 1152 *lsi->dns1_addr, *(lsi->dns1_addr + 1), 1153 *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); 1154 device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", 1155 *lsi->dns2_addr, *(lsi->dns2_addr + 1), 1156 *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); 1157 1158 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1159 break; 1160 1161 case USIE_HIP_RCGI: 1162 /* ignore, workaround for sloppy windows */ 1163 break; 1164 default: 1165 DPRINTF("undefined msgid: %x\n", hip->id); 1166 break; 1167 } 1168 1169 mtx_unlock(&sc->sc_mtx); 1170 } 1171 1172 static void 1173 usie_if_start(if_t ifp) 1174 { 1175 struct usie_softc *sc = if_getsoftc(ifp); 1176 1177 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) { 1178 DPRINTF("Not running\n"); 1179 return; 1180 } 1181 mtx_lock(&sc->sc_mtx); 1182 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); 1183 mtx_unlock(&sc->sc_mtx); 1184 1185 DPRINTFN(3, "interface started\n"); 1186 } 1187 1188 static int 1189 usie_if_output(if_t ifp, struct mbuf *m, const struct sockaddr *dst, 1190 struct route *ro) 1191 { 1192 int err; 1193 1194 DPRINTF("proto=%x\n", dst->sa_family); 1195 1196 switch (dst->sa_family) { 1197 #ifdef INET6 1198 case AF_INET6; 1199 /* fall though */ 1200 #endif 1201 case AF_INET: 1202 break; 1203 1204 /* silently drop dhclient packets */ 1205 case AF_UNSPEC: 1206 m_freem(m); 1207 return (0); 1208 1209 /* drop other packet types */ 1210 default: 1211 m_freem(m); 1212 return (EAFNOSUPPORT); 1213 } 1214 1215 err = if_transmit(ifp, m); 1216 if (err) { 1217 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1218 return (ENOBUFS); 1219 } 1220 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1221 1222 return (0); 1223 } 1224 1225 static void 1226 usie_if_init(void *arg) 1227 { 1228 struct usie_softc *sc = arg; 1229 if_t ifp = sc->sc_ifp; 1230 uint8_t i; 1231 1232 mtx_lock(&sc->sc_mtx); 1233 1234 /* write tx descriptor */ 1235 sc->sc_txd.hip.id = USIE_HIP_CTX; 1236 sc->sc_txd.hip.param = 0; /* init value */ 1237 sc->sc_txd.desc_type = htobe16(USIE_IP_TX); 1238 1239 for (i = 0; i != USIE_IF_N_XFER; i++) 1240 usbd_xfer_set_stall(sc->sc_if_xfer[i]); 1241 1242 usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); 1243 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); 1244 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); 1245 1246 /* if not running, initiate the modem */ 1247 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) 1248 usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); 1249 1250 mtx_unlock(&sc->sc_mtx); 1251 1252 DPRINTF("ifnet initialized\n"); 1253 } 1254 1255 static void 1256 usie_if_stop(struct usie_softc *sc) 1257 { 1258 usb_callout_drain(&sc->sc_if_sync_ch); 1259 1260 mtx_lock(&sc->sc_mtx); 1261 1262 /* usie_cns_req() clears IFF_* flags */ 1263 usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); 1264 1265 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); 1266 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); 1267 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); 1268 1269 /* shutdown device */ 1270 usie_if_cmd(sc, USIE_HIP_DOWN); 1271 1272 mtx_unlock(&sc->sc_mtx); 1273 } 1274 1275 static int 1276 usie_if_ioctl(if_t ifp, u_long cmd, caddr_t data) 1277 { 1278 struct usie_softc *sc = if_getsoftc(ifp); 1279 struct ieee80211req *ireq; 1280 struct ieee80211req_sta_info si; 1281 struct ifmediareq *ifmr; 1282 1283 switch (cmd) { 1284 case SIOCSIFFLAGS: 1285 if (if_getflags(ifp) & IFF_UP) { 1286 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) 1287 usie_if_init(sc); 1288 } else { 1289 if (if_getdrvflags(ifp) & IFF_DRV_RUNNING) 1290 usie_if_stop(sc); 1291 } 1292 break; 1293 1294 case SIOCSIFCAP: 1295 if (!(if_getdrvflags(ifp) & IFF_DRV_RUNNING)) { 1296 device_printf(sc->sc_dev, 1297 "Connect to the network first.\n"); 1298 break; 1299 } 1300 mtx_lock(&sc->sc_mtx); 1301 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1302 mtx_unlock(&sc->sc_mtx); 1303 break; 1304 1305 case SIOCG80211: 1306 ireq = (struct ieee80211req *)data; 1307 1308 if (ireq->i_type != IEEE80211_IOC_STA_INFO) 1309 break; 1310 1311 memset(&si, 0, sizeof(si)); 1312 si.isi_len = sizeof(si); 1313 /* 1314 * ifconfig expects RSSI in 0.5dBm units 1315 * relative to the noise floor. 1316 */ 1317 si.isi_rssi = 2 * sc->sc_rssi; 1318 if (copyout(&si, (uint8_t *)ireq->i_data + 8, 1319 sizeof(struct ieee80211req_sta_info))) 1320 DPRINTF("copyout failed\n"); 1321 DPRINTF("80211\n"); 1322 break; 1323 1324 case SIOCGIFMEDIA: /* to fool ifconfig */ 1325 ifmr = (struct ifmediareq *)data; 1326 ifmr->ifm_count = 1; 1327 DPRINTF("media\n"); 1328 break; 1329 1330 case SIOCSIFADDR: 1331 break; 1332 1333 default: 1334 return (EINVAL); 1335 } 1336 return (0); 1337 } 1338 1339 static int 1340 usie_do_request(struct usie_softc *sc, struct usb_device_request *req, 1341 void *data) 1342 { 1343 int err = 0; 1344 int ntries; 1345 1346 mtx_assert(&sc->sc_mtx, MA_OWNED); 1347 1348 for (ntries = 0; ntries != 10; ntries++) { 1349 err = usbd_do_request(sc->sc_udev, 1350 &sc->sc_mtx, req, data); 1351 if (err == 0) 1352 break; 1353 1354 DPRINTF("Control request failed: %s %d/10\n", 1355 usbd_errstr(err), ntries); 1356 1357 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1358 } 1359 return (err); 1360 } 1361 1362 static int 1363 usie_if_cmd(struct usie_softc *sc, uint8_t cmd) 1364 { 1365 struct usb_device_request req; 1366 struct usie_hip msg; 1367 1368 msg.len = 0; 1369 msg.id = cmd; 1370 msg.param = 0; 1371 1372 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1373 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1374 USETW(req.wValue, 0); 1375 USETW(req.wIndex, sc->sc_if_ifnum); 1376 USETW(req.wLength, sizeof(msg)); 1377 1378 DPRINTF("cmd=%x\n", cmd); 1379 1380 return (usie_do_request(sc, &req, &msg)); 1381 } 1382 1383 static void 1384 usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) 1385 { 1386 if_t ifp = sc->sc_ifp; 1387 struct mbuf *m; 1388 struct usb_xfer *xfer; 1389 struct usie_hip *hip; 1390 struct usie_cns *cns; 1391 uint8_t *param; 1392 uint8_t *tmp; 1393 uint8_t cns_len; 1394 1395 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1396 if (__predict_false(m == NULL)) { 1397 DPRINTF("could not allocate mbuf\n"); 1398 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1399 return; 1400 } 1401 /* to align usie_hip{} on 32 bit */ 1402 m->m_data += 3; 1403 param = mtod(m, uint8_t *); 1404 *param++ = USIE_HIP_FRM_CHR; 1405 hip = (struct usie_hip *)param; 1406 cns = (struct usie_cns *)(hip + 1); 1407 1408 tmp = param + USIE_HIPCNS_MIN - 2; 1409 1410 switch (obj) { 1411 case USIE_CNS_OB_LINK_UPDATE: 1412 cns_len = 2; 1413 cns->op = USIE_CNS_OP_SET; 1414 *tmp++ = 1; /* profile ID, always use 1 for now */ 1415 *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; 1416 break; 1417 1418 case USIE_CNS_OB_PROF_WRITE: 1419 cns_len = 245; 1420 cns->op = USIE_CNS_OP_SET; 1421 *tmp++ = 1; /* profile ID, always use 1 for now */ 1422 *tmp++ = 2; 1423 memcpy(tmp, &sc->sc_net, 34); 1424 memset(tmp + 35, 0, 245 - 36); 1425 tmp += 243; 1426 break; 1427 1428 case USIE_CNS_OB_RSSI: 1429 cns_len = 0; 1430 cns->op = USIE_CNS_OP_REQ; 1431 break; 1432 1433 default: 1434 DPRINTF("unsupported CnS object type\n"); 1435 return; 1436 } 1437 *tmp = USIE_HIP_FRM_CHR; 1438 1439 hip->len = htobe16(sizeof(struct usie_cns) + cns_len); 1440 hip->id = USIE_HIP_CNS2M; 1441 hip->param = 0; /* none for CnS */ 1442 1443 cns->obj = htobe16(obj); 1444 cns->id = htobe32(id); 1445 cns->len = cns_len; 1446 cns->rsv0 = cns->rsv1 = 0; /* always '0' */ 1447 1448 param = (uint8_t *)(cns + 1); 1449 1450 DPRINTF("param: %16D\n", param, ":"); 1451 1452 m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; 1453 1454 xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; 1455 1456 if (usbd_xfer_get_priv(xfer) == NULL) { 1457 usbd_xfer_set_priv(xfer, m); 1458 usbd_transfer_start(xfer); 1459 } else { 1460 DPRINTF("Dropped CNS event\n"); 1461 m_freem(m); 1462 } 1463 } 1464 1465 static void 1466 usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) 1467 { 1468 if_t ifp = sc->sc_ifp; 1469 1470 DPRINTF("received CnS\n"); 1471 1472 switch (be16toh(cns->obj)) { 1473 case USIE_CNS_OB_LINK_UPDATE: 1474 if (be32toh(cns->id) & USIE_CNS_ID_INIT) 1475 usie_if_sync_to(sc); 1476 else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { 1477 if_setflagbits(ifp, 0, IFF_UP); 1478 if_setdrvflagbits(ifp, 0, 1479 IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1480 } else 1481 DPRINTF("undefined link update\n"); 1482 break; 1483 1484 case USIE_CNS_OB_RSSI: 1485 sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); 1486 if (sc->sc_rssi <= 0) 1487 device_printf(sc->sc_dev, "No signal\n"); 1488 else { 1489 device_printf(sc->sc_dev, "RSSI=%ddBm\n", 1490 sc->sc_rssi - 110); 1491 } 1492 break; 1493 1494 case USIE_CNS_OB_PROF_WRITE: 1495 break; 1496 1497 case USIE_CNS_OB_PDP_READ: 1498 break; 1499 1500 default: 1501 DPRINTF("undefined CnS\n"); 1502 break; 1503 } 1504 } 1505 1506 static void 1507 usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) 1508 { 1509 struct usie_hip *hip; 1510 struct usie_cns *cns; 1511 uint32_t i; 1512 uint32_t j; 1513 uint32_t off; 1514 uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); 1515 1516 for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { 1517 uint8_t pad; 1518 1519 while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) 1520 off++; 1521 1522 /* Unstuff the bytes */ 1523 for (i = j = 0; ((i + off) < len) && 1524 (j < USIE_HIPCNS_MAX); i++) { 1525 if (rsp[i + off] == USIE_HIP_FRM_CHR) 1526 break; 1527 1528 if (rsp[i + off] == USIE_HIP_ESC_CHR) { 1529 if ((i + off + 1) >= len) 1530 break; 1531 tmp[j++] = rsp[i++ + off + 1] ^ 0x20; 1532 } else { 1533 tmp[j++] = rsp[i + off]; 1534 } 1535 } 1536 1537 off += i; 1538 1539 DPRINTF("frame len=%d\n", j); 1540 1541 if (j < sizeof(struct usie_hip)) { 1542 DPRINTF("too little data\n"); 1543 break; 1544 } 1545 /* 1546 * Make sure we are not reading the stack if something 1547 * is wrong. 1548 */ 1549 memset(tmp + j, 0, sizeof(tmp) - j); 1550 1551 hip = (struct usie_hip *)tmp; 1552 1553 DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", 1554 be16toh(hip->len), hip->id, hip->param); 1555 1556 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1557 1558 if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { 1559 cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); 1560 1561 if (j < (sizeof(struct usie_cns) + 1562 sizeof(struct usie_hip) + pad)) { 1563 DPRINTF("too little data\n"); 1564 break; 1565 } 1566 DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " 1567 "app=%08x, rsv1=%02x, len=%d\n", 1568 be16toh(cns->obj), cns->op, cns->rsv0, 1569 be32toh(cns->id), cns->rsv1, cns->len); 1570 1571 if (cns->op & USIE_CNS_OP_ERR) 1572 DPRINTF("CnS error response\n"); 1573 else 1574 usie_cns_rsp(sc, cns); 1575 1576 i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); 1577 j = cns->len; 1578 } else { 1579 i = sizeof(struct usie_hip) + pad; 1580 j = be16toh(hip->len); 1581 } 1582 #ifdef USB_DEBUG 1583 if (usie_debug == 0) 1584 continue; 1585 1586 while (i < USIE_HIPCNS_MAX && j > 0) { 1587 DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); 1588 i++; 1589 j--; 1590 } 1591 #endif 1592 } 1593 } 1594 1595 static int 1596 usie_driver_loaded(struct module *mod, int what, void *arg) 1597 { 1598 switch (what) { 1599 case MOD_LOAD: 1600 /* register autoinstall handler */ 1601 usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 1602 usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); 1603 break; 1604 case MOD_UNLOAD: 1605 EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); 1606 break; 1607 default: 1608 return (EOPNOTSUPP); 1609 } 1610 return (0); 1611 } 1612