1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 #include <sys/eventhandler.h> 35 #include <sys/systm.h> 36 #include <sys/queue.h> 37 #include <sys/systm.h> 38 #include <sys/socket.h> 39 #include <sys/kernel.h> 40 #include <sys/bus.h> 41 #include <sys/module.h> 42 #include <sys/sockio.h> 43 #include <sys/socket.h> 44 #include <sys/lock.h> 45 #include <sys/mutex.h> 46 #include <sys/condvar.h> 47 #include <sys/sysctl.h> 48 #include <sys/malloc.h> 49 #include <sys/taskqueue.h> 50 51 #include <net/if.h> 52 #include <net/if_var.h> 53 54 #include <machine/bus.h> 55 56 #include <net/if.h> 57 #include <net/if_types.h> 58 #include <net/netisr.h> 59 #include <net/bpf.h> 60 #include <net/ethernet.h> 61 62 #include <netinet/in.h> 63 #include <netinet/ip.h> 64 #include <netinet/ip6.h> 65 #include <netinet/udp.h> 66 67 #include <net80211/ieee80211_ioctl.h> 68 69 #include <dev/usb/usb.h> 70 #include <dev/usb/usbdi.h> 71 #include <dev/usb/usbdi_util.h> 72 #include <dev/usb/usb_cdc.h> 73 #include "usbdevs.h" 74 75 #define USB_DEBUG_VAR usie_debug 76 #include <dev/usb/usb_debug.h> 77 #include <dev/usb/usb_process.h> 78 #include <dev/usb/usb_msctest.h> 79 80 #include <dev/usb/serial/usb_serial.h> 81 82 #include <dev/usb/net/if_usievar.h> 83 84 #ifdef USB_DEBUG 85 static int usie_debug = 0; 86 87 static SYSCTL_NODE(_hw_usb, OID_AUTO, usie, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 88 "sierra USB modem"); 89 SYSCTL_INT(_hw_usb_usie, OID_AUTO, debug, CTLFLAG_RWTUN, &usie_debug, 0, 90 "usie debug level"); 91 #endif 92 93 /* Sierra Wireless Direct IP modems */ 94 static const STRUCT_USB_HOST_ID usie_devs[] = { 95 #define USIE_DEV(v, d) { \ 96 USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##d) } 97 USIE_DEV(SIERRA, MC8700), 98 USIE_DEV(SIERRA, TRUINSTALL), 99 USIE_DEV(AIRPRIME, USB308), 100 #undef USIE_DEV 101 }; 102 103 static device_probe_t usie_probe; 104 static device_attach_t usie_attach; 105 static device_detach_t usie_detach; 106 static void usie_free_softc(struct usie_softc *); 107 108 static void usie_free(struct ucom_softc *); 109 static void usie_uc_update_line_state(struct ucom_softc *, uint8_t); 110 static void usie_uc_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 111 static void usie_uc_cfg_set_dtr(struct ucom_softc *, uint8_t); 112 static void usie_uc_cfg_set_rts(struct ucom_softc *, uint8_t); 113 static void usie_uc_cfg_open(struct ucom_softc *); 114 static void usie_uc_cfg_close(struct ucom_softc *); 115 static void usie_uc_start_read(struct ucom_softc *); 116 static void usie_uc_stop_read(struct ucom_softc *); 117 static void usie_uc_start_write(struct ucom_softc *); 118 static void usie_uc_stop_write(struct ucom_softc *); 119 120 static usb_callback_t usie_uc_tx_callback; 121 static usb_callback_t usie_uc_rx_callback; 122 static usb_callback_t usie_uc_status_callback; 123 static usb_callback_t usie_if_tx_callback; 124 static usb_callback_t usie_if_rx_callback; 125 static usb_callback_t usie_if_status_callback; 126 127 static void usie_if_sync_to(void *); 128 static void usie_if_sync_cb(void *, int); 129 static void usie_if_status_cb(void *, int); 130 131 static void usie_if_start(struct ifnet *); 132 static int usie_if_output(struct ifnet *, struct mbuf *, 133 const struct sockaddr *, struct route *); 134 static void usie_if_init(void *); 135 static void usie_if_stop(struct usie_softc *); 136 static int usie_if_ioctl(struct ifnet *, u_long, caddr_t); 137 138 static int usie_do_request(struct usie_softc *, struct usb_device_request *, void *); 139 static int usie_if_cmd(struct usie_softc *, uint8_t); 140 static void usie_cns_req(struct usie_softc *, uint32_t, uint16_t); 141 static void usie_cns_rsp(struct usie_softc *, struct usie_cns *); 142 static void usie_hip_rsp(struct usie_softc *, uint8_t *, uint32_t); 143 static int usie_driver_loaded(struct module *, int, void *); 144 145 static const struct usb_config usie_uc_config[USIE_UC_N_XFER] = { 146 [USIE_UC_STATUS] = { 147 .type = UE_INTERRUPT, 148 .endpoint = UE_ADDR_ANY, 149 .direction = UE_DIR_IN, 150 .bufsize = 0, /* use wMaxPacketSize */ 151 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 152 .callback = &usie_uc_status_callback, 153 }, 154 [USIE_UC_RX] = { 155 .type = UE_BULK, 156 .endpoint = UE_ADDR_ANY, 157 .direction = UE_DIR_IN, 158 .bufsize = USIE_BUFSIZE, 159 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,.proxy_buffer = 1,}, 160 .callback = &usie_uc_rx_callback, 161 }, 162 [USIE_UC_TX] = { 163 .type = UE_BULK, 164 .endpoint = UE_ADDR_ANY, 165 .direction = UE_DIR_OUT, 166 .bufsize = USIE_BUFSIZE, 167 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 168 .callback = &usie_uc_tx_callback, 169 } 170 }; 171 172 static const struct usb_config usie_if_config[USIE_IF_N_XFER] = { 173 [USIE_IF_STATUS] = { 174 .type = UE_INTERRUPT, 175 .endpoint = UE_ADDR_ANY, 176 .direction = UE_DIR_IN, 177 .bufsize = 0, /* use wMaxPacketSize */ 178 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 179 .callback = &usie_if_status_callback, 180 }, 181 [USIE_IF_RX] = { 182 .type = UE_BULK, 183 .endpoint = UE_ADDR_ANY, 184 .direction = UE_DIR_IN, 185 .bufsize = USIE_BUFSIZE, 186 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 187 .callback = &usie_if_rx_callback, 188 }, 189 [USIE_IF_TX] = { 190 .type = UE_BULK, 191 .endpoint = UE_ADDR_ANY, 192 .direction = UE_DIR_OUT, 193 .bufsize = MAX(USIE_BUFSIZE, MCLBYTES), 194 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 195 .callback = &usie_if_tx_callback, 196 } 197 }; 198 199 static device_method_t usie_methods[] = { 200 DEVMETHOD(device_probe, usie_probe), 201 DEVMETHOD(device_attach, usie_attach), 202 DEVMETHOD(device_detach, usie_detach), 203 DEVMETHOD_END 204 }; 205 206 static driver_t usie_driver = { 207 .name = "usie", 208 .methods = usie_methods, 209 .size = sizeof(struct usie_softc), 210 }; 211 212 static devclass_t usie_devclass; 213 static eventhandler_tag usie_etag; 214 215 DRIVER_MODULE(usie, uhub, usie_driver, usie_devclass, usie_driver_loaded, 0); 216 MODULE_DEPEND(usie, ucom, 1, 1, 1); 217 MODULE_DEPEND(usie, usb, 1, 1, 1); 218 MODULE_VERSION(usie, 1); 219 USB_PNP_HOST_INFO(usie_devs); 220 221 static const struct ucom_callback usie_uc_callback = { 222 .ucom_cfg_get_status = &usie_uc_cfg_get_status, 223 .ucom_cfg_set_dtr = &usie_uc_cfg_set_dtr, 224 .ucom_cfg_set_rts = &usie_uc_cfg_set_rts, 225 .ucom_cfg_open = &usie_uc_cfg_open, 226 .ucom_cfg_close = &usie_uc_cfg_close, 227 .ucom_start_read = &usie_uc_start_read, 228 .ucom_stop_read = &usie_uc_stop_read, 229 .ucom_start_write = &usie_uc_start_write, 230 .ucom_stop_write = &usie_uc_stop_write, 231 .ucom_free = &usie_free, 232 }; 233 234 static void 235 usie_autoinst(void *arg, struct usb_device *udev, 236 struct usb_attach_arg *uaa) 237 { 238 struct usb_interface *iface; 239 struct usb_interface_descriptor *id; 240 struct usb_device_request req; 241 int err; 242 243 if (uaa->dev_state != UAA_DEV_READY) 244 return; 245 246 iface = usbd_get_iface(udev, 0); 247 if (iface == NULL) 248 return; 249 250 id = iface->idesc; 251 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 252 return; 253 254 if (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa) != 0) 255 return; /* no device match */ 256 257 if (bootverbose) { 258 DPRINTF("Ejecting %s %s\n", 259 usb_get_manufacturer(udev), 260 usb_get_product(udev)); 261 } 262 req.bmRequestType = UT_VENDOR; 263 req.bRequest = UR_SET_INTERFACE; 264 USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP); 265 USETW(req.wIndex, UHF_PORT_CONNECTION); 266 USETW(req.wLength, 0); 267 268 /* at this moment there is no mutex */ 269 err = usbd_do_request_flags(udev, NULL, &req, 270 NULL, 0, NULL, 250 /* ms */ ); 271 272 /* success, mark the udev as disappearing */ 273 if (err == 0) 274 uaa->dev_state = UAA_DEV_EJECTING; 275 } 276 277 static int 278 usie_probe(device_t self) 279 { 280 struct usb_attach_arg *uaa = device_get_ivars(self); 281 282 if (uaa->usb_mode != USB_MODE_HOST) 283 return (ENXIO); 284 if (uaa->info.bConfigIndex != USIE_CNFG_INDEX) 285 return (ENXIO); 286 if (uaa->info.bIfaceIndex != USIE_IFACE_INDEX) 287 return (ENXIO); 288 if (uaa->info.bInterfaceClass != UICLASS_VENDOR) 289 return (ENXIO); 290 291 return (usbd_lookup_id_by_uaa(usie_devs, sizeof(usie_devs), uaa)); 292 } 293 294 static int 295 usie_attach(device_t self) 296 { 297 struct usie_softc *sc = device_get_softc(self); 298 struct usb_attach_arg *uaa = device_get_ivars(self); 299 struct ifnet *ifp; 300 struct usb_interface *iface; 301 struct usb_interface_descriptor *id; 302 struct usb_device_request req; 303 int err; 304 uint16_t fwattr; 305 uint8_t iface_index; 306 uint8_t ifidx; 307 uint8_t start; 308 309 device_set_usb_desc(self); 310 sc->sc_udev = uaa->device; 311 sc->sc_dev = self; 312 313 mtx_init(&sc->sc_mtx, "usie", MTX_NETWORK_LOCK, MTX_DEF); 314 ucom_ref(&sc->sc_super_ucom); 315 316 TASK_INIT(&sc->sc_if_status_task, 0, usie_if_status_cb, sc); 317 TASK_INIT(&sc->sc_if_sync_task, 0, usie_if_sync_cb, sc); 318 319 usb_callout_init_mtx(&sc->sc_if_sync_ch, &sc->sc_mtx, 0); 320 321 mtx_lock(&sc->sc_mtx); 322 323 /* set power mode to D0 */ 324 req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 325 req.bRequest = USIE_POWER; 326 USETW(req.wValue, 0); 327 USETW(req.wIndex, 0); 328 USETW(req.wLength, 0); 329 if (usie_do_request(sc, &req, NULL)) { 330 mtx_unlock(&sc->sc_mtx); 331 goto detach; 332 } 333 /* read fw attr */ 334 fwattr = 0; 335 req.bmRequestType = UT_READ_VENDOR_DEVICE; 336 req.bRequest = USIE_FW_ATTR; 337 USETW(req.wValue, 0); 338 USETW(req.wIndex, 0); 339 USETW(req.wLength, sizeof(fwattr)); 340 if (usie_do_request(sc, &req, &fwattr)) { 341 mtx_unlock(&sc->sc_mtx); 342 goto detach; 343 } 344 mtx_unlock(&sc->sc_mtx); 345 346 /* check DHCP supports */ 347 DPRINTF("fwattr=%x\n", fwattr); 348 if (!(fwattr & USIE_FW_DHCP)) { 349 device_printf(self, "DHCP is not supported. A firmware upgrade might be needed.\n"); 350 } 351 352 /* find available interfaces */ 353 sc->sc_nucom = 0; 354 for (ifidx = 0; ifidx < USIE_IFACE_MAX; ifidx++) { 355 iface = usbd_get_iface(uaa->device, ifidx); 356 if (iface == NULL) 357 break; 358 359 id = usbd_get_interface_descriptor(iface); 360 if ((id == NULL) || (id->bInterfaceClass != UICLASS_VENDOR)) 361 continue; 362 363 /* setup Direct IP transfer */ 364 if (id->bInterfaceNumber >= 7 && id->bNumEndpoints == 3) { 365 sc->sc_if_ifnum = id->bInterfaceNumber; 366 iface_index = ifidx; 367 368 DPRINTF("ifnum=%d, ifidx=%d\n", 369 sc->sc_if_ifnum, ifidx); 370 371 err = usbd_transfer_setup(uaa->device, 372 &iface_index, sc->sc_if_xfer, usie_if_config, 373 USIE_IF_N_XFER, sc, &sc->sc_mtx); 374 375 if (err == 0) 376 continue; 377 378 device_printf(self, 379 "could not allocate USB transfers on " 380 "iface_index=%d, err=%s\n", 381 iface_index, usbd_errstr(err)); 382 goto detach; 383 } 384 385 /* setup ucom */ 386 if (sc->sc_nucom >= USIE_UCOM_MAX) 387 continue; 388 389 usbd_set_parent_iface(uaa->device, ifidx, 390 uaa->info.bIfaceIndex); 391 392 DPRINTF("NumEndpoints=%d bInterfaceNumber=%d\n", 393 id->bNumEndpoints, id->bInterfaceNumber); 394 395 if (id->bNumEndpoints == 2) { 396 sc->sc_uc_xfer[sc->sc_nucom][0] = NULL; 397 start = 1; 398 } else 399 start = 0; 400 401 err = usbd_transfer_setup(uaa->device, &ifidx, 402 sc->sc_uc_xfer[sc->sc_nucom] + start, 403 usie_uc_config + start, USIE_UC_N_XFER - start, 404 &sc->sc_ucom[sc->sc_nucom], &sc->sc_mtx); 405 406 if (err != 0) { 407 DPRINTF("usbd_transfer_setup error=%s\n", usbd_errstr(err)); 408 continue; 409 } 410 411 mtx_lock(&sc->sc_mtx); 412 for (; start < USIE_UC_N_XFER; start++) 413 usbd_xfer_set_stall(sc->sc_uc_xfer[sc->sc_nucom][start]); 414 mtx_unlock(&sc->sc_mtx); 415 416 sc->sc_uc_ifnum[sc->sc_nucom] = id->bInterfaceNumber; 417 418 sc->sc_nucom++; /* found a port */ 419 } 420 421 if (sc->sc_nucom == 0) { 422 device_printf(self, "no comports found\n"); 423 goto detach; 424 } 425 426 err = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 427 sc->sc_nucom, sc, &usie_uc_callback, &sc->sc_mtx); 428 429 if (err != 0) { 430 DPRINTF("ucom_attach failed\n"); 431 goto detach; 432 } 433 DPRINTF("Found %d interfaces.\n", sc->sc_nucom); 434 435 /* setup ifnet (Direct IP) */ 436 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 437 438 if (ifp == NULL) { 439 device_printf(self, "Could not allocate a network interface\n"); 440 goto detach; 441 } 442 if_initname(ifp, "usie", device_get_unit(self)); 443 444 ifp->if_softc = sc; 445 ifp->if_mtu = USIE_MTU_MAX; 446 ifp->if_flags |= IFF_NOARP; 447 ifp->if_init = usie_if_init; 448 ifp->if_ioctl = usie_if_ioctl; 449 ifp->if_start = usie_if_start; 450 ifp->if_output = usie_if_output; 451 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 452 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 453 IFQ_SET_READY(&ifp->if_snd); 454 455 if_attach(ifp); 456 bpfattach(ifp, DLT_RAW, 0); 457 458 if (fwattr & USIE_PM_AUTO) { 459 usbd_set_power_mode(uaa->device, USB_POWER_MODE_SAVE); 460 DPRINTF("enabling automatic suspend and resume\n"); 461 } else { 462 usbd_set_power_mode(uaa->device, USB_POWER_MODE_ON); 463 DPRINTF("USB power is always ON\n"); 464 } 465 466 DPRINTF("device attached\n"); 467 return (0); 468 469 detach: 470 usie_detach(self); 471 return (ENOMEM); 472 } 473 474 static int 475 usie_detach(device_t self) 476 { 477 struct usie_softc *sc = device_get_softc(self); 478 uint8_t x; 479 480 /* detach ifnet */ 481 if (sc->sc_ifp != NULL) { 482 usie_if_stop(sc); 483 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 484 bpfdetach(sc->sc_ifp); 485 if_detach(sc->sc_ifp); 486 if_free(sc->sc_ifp); 487 sc->sc_ifp = NULL; 488 } 489 /* detach ucom */ 490 if (sc->sc_nucom > 0) 491 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 492 493 /* stop all USB transfers */ 494 usbd_transfer_unsetup(sc->sc_if_xfer, USIE_IF_N_XFER); 495 496 for (x = 0; x != USIE_UCOM_MAX; x++) 497 usbd_transfer_unsetup(sc->sc_uc_xfer[x], USIE_UC_N_XFER); 498 499 device_claim_softc(self); 500 501 usie_free_softc(sc); 502 503 return (0); 504 } 505 506 UCOM_UNLOAD_DRAIN(usie); 507 508 static void 509 usie_free_softc(struct usie_softc *sc) 510 { 511 if (ucom_unref(&sc->sc_super_ucom)) { 512 mtx_destroy(&sc->sc_mtx); 513 device_free_softc(sc); 514 } 515 } 516 517 static void 518 usie_free(struct ucom_softc *ucom) 519 { 520 usie_free_softc(ucom->sc_parent); 521 } 522 523 static void 524 usie_uc_update_line_state(struct ucom_softc *ucom, uint8_t ls) 525 { 526 struct usie_softc *sc = ucom->sc_parent; 527 struct usb_device_request req; 528 529 if (sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS] == NULL) 530 return; 531 532 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 533 req.bRequest = USIE_LINK_STATE; 534 USETW(req.wValue, ls); 535 USETW(req.wIndex, sc->sc_uc_ifnum[ucom->sc_subunit]); 536 USETW(req.wLength, 0); 537 538 DPRINTF("sc_uc_ifnum=%d\n", sc->sc_uc_ifnum[ucom->sc_subunit]); 539 540 usie_do_request(sc, &req, NULL); 541 } 542 543 static void 544 usie_uc_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 545 { 546 struct usie_softc *sc = ucom->sc_parent; 547 548 *msr = sc->sc_msr; 549 *lsr = sc->sc_lsr; 550 } 551 552 static void 553 usie_uc_cfg_set_dtr(struct ucom_softc *ucom, uint8_t flag) 554 { 555 uint8_t dtr; 556 557 dtr = flag ? USIE_LS_DTR : 0; 558 usie_uc_update_line_state(ucom, dtr); 559 } 560 561 static void 562 usie_uc_cfg_set_rts(struct ucom_softc *ucom, uint8_t flag) 563 { 564 uint8_t rts; 565 566 rts = flag ? USIE_LS_RTS : 0; 567 usie_uc_update_line_state(ucom, rts); 568 } 569 570 static void 571 usie_uc_cfg_open(struct ucom_softc *ucom) 572 { 573 struct usie_softc *sc = ucom->sc_parent; 574 575 /* usbd_transfer_start() is NULL safe */ 576 577 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 578 } 579 580 static void 581 usie_uc_cfg_close(struct ucom_softc *ucom) 582 { 583 struct usie_softc *sc = ucom->sc_parent; 584 585 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_STATUS]); 586 } 587 588 static void 589 usie_uc_start_read(struct ucom_softc *ucom) 590 { 591 struct usie_softc *sc = ucom->sc_parent; 592 593 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 594 } 595 596 static void 597 usie_uc_stop_read(struct ucom_softc *ucom) 598 { 599 struct usie_softc *sc = ucom->sc_parent; 600 601 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_RX]); 602 } 603 604 static void 605 usie_uc_start_write(struct ucom_softc *ucom) 606 { 607 struct usie_softc *sc = ucom->sc_parent; 608 609 usbd_transfer_start(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 610 } 611 612 static void 613 usie_uc_stop_write(struct ucom_softc *ucom) 614 { 615 struct usie_softc *sc = ucom->sc_parent; 616 617 usbd_transfer_stop(sc->sc_uc_xfer[ucom->sc_subunit][USIE_UC_TX]); 618 } 619 620 static void 621 usie_uc_rx_callback(struct usb_xfer *xfer, usb_error_t error) 622 { 623 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 624 struct usie_softc *sc = ucom->sc_parent; 625 struct usb_page_cache *pc; 626 uint32_t actlen; 627 628 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 629 630 switch (USB_GET_STATE(xfer)) { 631 case USB_ST_TRANSFERRED: 632 pc = usbd_xfer_get_frame(xfer, 0); 633 634 /* handle CnS response */ 635 if (ucom == sc->sc_ucom && actlen >= USIE_HIPCNS_MIN) { 636 DPRINTF("transferred=%u\n", actlen); 637 638 /* check if it is really CnS reply */ 639 usbd_copy_out(pc, 0, sc->sc_resp_temp, 1); 640 641 if (sc->sc_resp_temp[0] == USIE_HIP_FRM_CHR) { 642 /* verify actlen */ 643 if (actlen > USIE_BUFSIZE) 644 actlen = USIE_BUFSIZE; 645 646 /* get complete message */ 647 usbd_copy_out(pc, 0, sc->sc_resp_temp, actlen); 648 usie_hip_rsp(sc, sc->sc_resp_temp, actlen); 649 650 /* need to fall though */ 651 goto tr_setup; 652 } 653 /* else call ucom_put_data() */ 654 } 655 /* standard ucom transfer */ 656 ucom_put_data(ucom, pc, 0, actlen); 657 658 /* fall though */ 659 case USB_ST_SETUP: 660 tr_setup: 661 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 662 usbd_transfer_submit(xfer); 663 break; 664 665 default: /* Error */ 666 if (error != USB_ERR_CANCELLED) { 667 usbd_xfer_set_stall(xfer); 668 goto tr_setup; 669 } 670 break; 671 } 672 } 673 674 static void 675 usie_uc_tx_callback(struct usb_xfer *xfer, usb_error_t error) 676 { 677 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 678 struct usb_page_cache *pc; 679 uint32_t actlen; 680 681 switch (USB_GET_STATE(xfer)) { 682 case USB_ST_TRANSFERRED: 683 case USB_ST_SETUP: 684 tr_setup: 685 pc = usbd_xfer_get_frame(xfer, 0); 686 687 /* handle CnS request */ 688 struct mbuf *m = usbd_xfer_get_priv(xfer); 689 690 if (m != NULL) { 691 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 692 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 693 usbd_xfer_set_priv(xfer, NULL); 694 usbd_transfer_submit(xfer); 695 m_freem(m); 696 break; 697 } 698 /* standard ucom transfer */ 699 if (ucom_get_data(ucom, pc, 0, USIE_BUFSIZE, &actlen)) { 700 usbd_xfer_set_frame_len(xfer, 0, actlen); 701 usbd_transfer_submit(xfer); 702 } 703 break; 704 705 default: /* Error */ 706 if (error != USB_ERR_CANCELLED) { 707 usbd_xfer_set_stall(xfer); 708 goto tr_setup; 709 } 710 break; 711 } 712 } 713 714 static void 715 usie_uc_status_callback(struct usb_xfer *xfer, usb_error_t error) 716 { 717 struct usb_page_cache *pc; 718 struct { 719 struct usb_device_request req; 720 uint16_t param; 721 } st; 722 uint32_t actlen; 723 uint16_t param; 724 725 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 726 727 switch (USB_GET_STATE(xfer)) { 728 case USB_ST_TRANSFERRED: 729 DPRINTFN(4, "info received, actlen=%u\n", actlen); 730 731 if (actlen < sizeof(st)) { 732 DPRINTF("data too short actlen=%u\n", actlen); 733 goto tr_setup; 734 } 735 pc = usbd_xfer_get_frame(xfer, 0); 736 usbd_copy_out(pc, 0, &st, sizeof(st)); 737 738 if (st.req.bmRequestType == 0xa1 && st.req.bRequest == 0x20) { 739 struct ucom_softc *ucom = usbd_xfer_softc(xfer); 740 struct usie_softc *sc = ucom->sc_parent; 741 742 param = le16toh(st.param); 743 DPRINTF("param=%x\n", param); 744 sc->sc_msr = sc->sc_lsr = 0; 745 sc->sc_msr |= (param & USIE_DCD) ? SER_DCD : 0; 746 sc->sc_msr |= (param & USIE_DSR) ? SER_DSR : 0; 747 sc->sc_msr |= (param & USIE_RI) ? SER_RI : 0; 748 sc->sc_msr |= (param & USIE_CTS) ? 0 : SER_CTS; 749 sc->sc_msr |= (param & USIE_RTS) ? SER_RTS : 0; 750 sc->sc_msr |= (param & USIE_DTR) ? SER_DTR : 0; 751 } 752 /* fall though */ 753 case USB_ST_SETUP: 754 tr_setup: 755 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 756 usbd_transfer_submit(xfer); 757 break; 758 759 default: /* Error */ 760 DPRINTF("USB transfer error, %s\n", 761 usbd_errstr(error)); 762 763 if (error != USB_ERR_CANCELLED) { 764 usbd_xfer_set_stall(xfer); 765 goto tr_setup; 766 } 767 break; 768 } 769 } 770 771 static void 772 usie_if_rx_callback(struct usb_xfer *xfer, usb_error_t error) 773 { 774 struct epoch_tracker et; 775 struct usie_softc *sc = usbd_xfer_softc(xfer); 776 struct ifnet *ifp = sc->sc_ifp; 777 struct mbuf *m0; 778 struct mbuf *m = NULL; 779 struct usie_desc *rxd; 780 uint32_t actlen; 781 uint16_t err; 782 uint16_t pkt; 783 uint16_t ipl; 784 uint16_t len; 785 uint16_t diff; 786 uint8_t pad; 787 uint8_t ipv; 788 789 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 790 791 switch (USB_GET_STATE(xfer)) { 792 case USB_ST_TRANSFERRED: 793 DPRINTFN(15, "rx done, actlen=%u\n", actlen); 794 795 if (actlen < sizeof(struct usie_hip)) { 796 DPRINTF("data too short %u\n", actlen); 797 goto tr_setup; 798 } 799 m = sc->sc_rxm; 800 sc->sc_rxm = NULL; 801 802 /* fall though */ 803 case USB_ST_SETUP: 804 tr_setup: 805 806 if (sc->sc_rxm == NULL) { 807 sc->sc_rxm = m_getjcl(M_NOWAIT, MT_DATA, M_PKTHDR, 808 MJUMPAGESIZE /* could be bigger than MCLBYTES */ ); 809 } 810 if (sc->sc_rxm == NULL) { 811 DPRINTF("could not allocate Rx mbuf\n"); 812 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 813 usbd_xfer_set_stall(xfer); 814 usbd_xfer_set_frames(xfer, 0); 815 } else { 816 /* 817 * Directly loading a mbuf cluster into DMA to 818 * save some data copying. This works because 819 * there is only one cluster. 820 */ 821 usbd_xfer_set_frame_data(xfer, 0, 822 mtod(sc->sc_rxm, caddr_t), MIN(MJUMPAGESIZE, USIE_RXSZ_MAX)); 823 usbd_xfer_set_frames(xfer, 1); 824 } 825 usbd_transfer_submit(xfer); 826 break; 827 828 default: /* Error */ 829 DPRINTF("USB transfer error, %s\n", usbd_errstr(error)); 830 831 if (error != USB_ERR_CANCELLED) { 832 /* try to clear stall first */ 833 usbd_xfer_set_stall(xfer); 834 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 835 goto tr_setup; 836 } 837 if (sc->sc_rxm != NULL) { 838 m_freem(sc->sc_rxm); 839 sc->sc_rxm = NULL; 840 } 841 break; 842 } 843 844 if (m == NULL) 845 return; 846 847 mtx_unlock(&sc->sc_mtx); 848 849 m->m_pkthdr.len = m->m_len = actlen; 850 851 err = pkt = 0; 852 853 /* HW can aggregate multiple frames in a single USB xfer */ 854 NET_EPOCH_ENTER(et); 855 for (;;) { 856 rxd = mtod(m, struct usie_desc *); 857 858 len = be16toh(rxd->hip.len) & USIE_HIP_IP_LEN_MASK; 859 pad = (rxd->hip.id & USIE_HIP_PAD) ? 1 : 0; 860 ipl = (len - pad - ETHER_HDR_LEN); 861 if (ipl >= len) { 862 DPRINTF("Corrupt frame\n"); 863 m_freem(m); 864 break; 865 } 866 diff = sizeof(struct usie_desc) + ipl + pad; 867 868 if (((rxd->hip.id & USIE_HIP_MASK) != USIE_HIP_IP) || 869 (be16toh(rxd->desc_type) & USIE_TYPE_MASK) != USIE_IP_RX) { 870 DPRINTF("received wrong type of packet\n"); 871 m->m_data += diff; 872 m->m_pkthdr.len = (m->m_len -= diff); 873 err++; 874 if (m->m_pkthdr.len > 0) 875 continue; 876 m_freem(m); 877 break; 878 } 879 switch (be16toh(rxd->ethhdr.ether_type)) { 880 case ETHERTYPE_IP: 881 ipv = NETISR_IP; 882 break; 883 #ifdef INET6 884 case ETHERTYPE_IPV6: 885 ipv = NETISR_IPV6; 886 break; 887 #endif 888 default: 889 DPRINTF("unsupported ether type\n"); 890 err++; 891 break; 892 } 893 894 /* the last packet */ 895 if (m->m_pkthdr.len <= diff) { 896 m->m_data += (sizeof(struct usie_desc) + pad); 897 m->m_pkthdr.len = m->m_len = ipl; 898 m->m_pkthdr.rcvif = ifp; 899 BPF_MTAP(sc->sc_ifp, m); 900 netisr_dispatch(ipv, m); 901 break; 902 } 903 /* copy aggregated frames to another mbuf */ 904 m0 = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 905 if (__predict_false(m0 == NULL)) { 906 DPRINTF("could not allocate mbuf\n"); 907 err++; 908 m_freem(m); 909 break; 910 } 911 m_copydata(m, sizeof(struct usie_desc) + pad, ipl, mtod(m0, caddr_t)); 912 m0->m_pkthdr.rcvif = ifp; 913 m0->m_pkthdr.len = m0->m_len = ipl; 914 915 BPF_MTAP(sc->sc_ifp, m0); 916 netisr_dispatch(ipv, m0); 917 918 m->m_data += diff; 919 m->m_pkthdr.len = (m->m_len -= diff); 920 } 921 NET_EPOCH_EXIT(et); 922 923 mtx_lock(&sc->sc_mtx); 924 925 if_inc_counter(ifp, IFCOUNTER_IERRORS, err); 926 if_inc_counter(ifp, IFCOUNTER_IPACKETS, pkt); 927 } 928 929 static void 930 usie_if_tx_callback(struct usb_xfer *xfer, usb_error_t error) 931 { 932 struct usie_softc *sc = usbd_xfer_softc(xfer); 933 struct usb_page_cache *pc; 934 struct ifnet *ifp = sc->sc_ifp; 935 struct mbuf *m; 936 uint16_t size; 937 938 switch (USB_GET_STATE(xfer)) { 939 case USB_ST_TRANSFERRED: 940 DPRINTFN(11, "transfer complete\n"); 941 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 942 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 943 944 /* fall though */ 945 case USB_ST_SETUP: 946 tr_setup: 947 948 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 949 break; 950 951 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 952 if (m == NULL) 953 break; 954 955 if (m->m_pkthdr.len > (int)(MCLBYTES - ETHER_HDR_LEN + 956 ETHER_CRC_LEN - sizeof(sc->sc_txd))) { 957 DPRINTF("packet len is too big: %d\n", 958 m->m_pkthdr.len); 959 break; 960 } 961 pc = usbd_xfer_get_frame(xfer, 0); 962 963 sc->sc_txd.hip.len = htobe16(m->m_pkthdr.len + 964 ETHER_HDR_LEN + ETHER_CRC_LEN); 965 size = sizeof(sc->sc_txd); 966 967 usbd_copy_in(pc, 0, &sc->sc_txd, size); 968 usbd_m_copy_in(pc, size, m, 0, m->m_pkthdr.len); 969 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len + 970 size + ETHER_CRC_LEN); 971 972 BPF_MTAP(ifp, m); 973 974 m_freem(m); 975 976 usbd_transfer_submit(xfer); 977 break; 978 979 default: /* Error */ 980 DPRINTF("USB transfer error, %s\n", 981 usbd_errstr(error)); 982 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 983 984 if (error != USB_ERR_CANCELLED) { 985 usbd_xfer_set_stall(xfer); 986 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 987 goto tr_setup; 988 } 989 break; 990 } 991 } 992 993 static void 994 usie_if_status_callback(struct usb_xfer *xfer, usb_error_t error) 995 { 996 struct usie_softc *sc = usbd_xfer_softc(xfer); 997 struct usb_page_cache *pc; 998 struct usb_cdc_notification cdc; 999 uint32_t actlen; 1000 1001 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1002 1003 switch (USB_GET_STATE(xfer)) { 1004 case USB_ST_TRANSFERRED: 1005 DPRINTFN(4, "info received, actlen=%d\n", actlen); 1006 1007 /* usb_cdc_notification - .data[16] */ 1008 if (actlen < (sizeof(cdc) - 16)) { 1009 DPRINTF("data too short %d\n", actlen); 1010 goto tr_setup; 1011 } 1012 pc = usbd_xfer_get_frame(xfer, 0); 1013 usbd_copy_out(pc, 0, &cdc, (sizeof(cdc) - 16)); 1014 1015 DPRINTFN(4, "bNotification=%x\n", cdc.bNotification); 1016 1017 if (cdc.bNotification & UCDC_N_RESPONSE_AVAILABLE) { 1018 taskqueue_enqueue(taskqueue_thread, 1019 &sc->sc_if_status_task); 1020 } 1021 /* fall though */ 1022 case USB_ST_SETUP: 1023 tr_setup: 1024 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1025 usbd_transfer_submit(xfer); 1026 break; 1027 1028 default: /* Error */ 1029 DPRINTF("USB transfer error, %s\n", 1030 usbd_errstr(error)); 1031 1032 if (error != USB_ERR_CANCELLED) { 1033 usbd_xfer_set_stall(xfer); 1034 goto tr_setup; 1035 } 1036 break; 1037 } 1038 } 1039 1040 static void 1041 usie_if_sync_to(void *arg) 1042 { 1043 struct usie_softc *sc = arg; 1044 1045 taskqueue_enqueue(taskqueue_thread, &sc->sc_if_sync_task); 1046 } 1047 1048 static void 1049 usie_if_sync_cb(void *arg, int pending) 1050 { 1051 struct usie_softc *sc = arg; 1052 1053 mtx_lock(&sc->sc_mtx); 1054 1055 /* call twice */ 1056 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1057 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1058 1059 usb_callout_reset(&sc->sc_if_sync_ch, 2 * hz, usie_if_sync_to, sc); 1060 1061 mtx_unlock(&sc->sc_mtx); 1062 } 1063 1064 static void 1065 usie_if_status_cb(void *arg, int pending) 1066 { 1067 struct usie_softc *sc = arg; 1068 struct ifnet *ifp = sc->sc_ifp; 1069 struct usb_device_request req; 1070 struct usie_hip *hip; 1071 struct usie_lsi *lsi; 1072 uint16_t actlen; 1073 uint8_t ntries; 1074 uint8_t pad; 1075 1076 mtx_lock(&sc->sc_mtx); 1077 1078 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1079 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1080 USETW(req.wValue, 0); 1081 USETW(req.wIndex, sc->sc_if_ifnum); 1082 USETW(req.wLength, sizeof(sc->sc_status_temp)); 1083 1084 for (ntries = 0; ntries != 10; ntries++) { 1085 int err; 1086 1087 err = usbd_do_request_flags(sc->sc_udev, 1088 &sc->sc_mtx, &req, sc->sc_status_temp, USB_SHORT_XFER_OK, 1089 &actlen, USB_DEFAULT_TIMEOUT); 1090 1091 if (err == 0) 1092 break; 1093 1094 DPRINTF("Control request failed: %s %d/10\n", 1095 usbd_errstr(err), ntries); 1096 1097 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1098 } 1099 1100 if (ntries == 10) { 1101 mtx_unlock(&sc->sc_mtx); 1102 DPRINTF("Timeout\n"); 1103 return; 1104 } 1105 1106 hip = (struct usie_hip *)sc->sc_status_temp; 1107 1108 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1109 1110 DPRINTF("hip.id=%x hip.len=%d actlen=%u pad=%d\n", 1111 hip->id, be16toh(hip->len), actlen, pad); 1112 1113 switch (hip->id & USIE_HIP_MASK) { 1114 case USIE_HIP_SYNC2H: 1115 usie_if_cmd(sc, USIE_HIP_SYNC2M); 1116 break; 1117 case USIE_HIP_RESTR: 1118 usb_callout_stop(&sc->sc_if_sync_ch); 1119 break; 1120 case USIE_HIP_UMTS: 1121 lsi = (struct usie_lsi *)( 1122 sc->sc_status_temp + sizeof(struct usie_hip) + pad); 1123 1124 DPRINTF("lsi.proto=%x lsi.len=%d\n", lsi->proto, 1125 be16toh(lsi->len)); 1126 1127 if (lsi->proto != USIE_LSI_UMTS) 1128 break; 1129 1130 if (lsi->area == USIE_LSI_AREA_NO || 1131 lsi->area == USIE_LSI_AREA_NODATA) { 1132 device_printf(sc->sc_dev, "no service available\n"); 1133 break; 1134 } 1135 if (lsi->state == USIE_LSI_STATE_IDLE) { 1136 DPRINTF("lsi.state=%x\n", lsi->state); 1137 break; 1138 } 1139 DPRINTF("ctx=%x\n", hip->param); 1140 sc->sc_txd.hip.param = hip->param; 1141 1142 sc->sc_net.addr_len = lsi->pdp_addr_len; 1143 memcpy(&sc->sc_net.dns1_addr, &lsi->dns1_addr, 16); 1144 memcpy(&sc->sc_net.dns2_addr, &lsi->dns2_addr, 16); 1145 memcpy(sc->sc_net.pdp_addr, lsi->pdp_addr, 16); 1146 memcpy(sc->sc_net.gw_addr, lsi->gw_addr, 16); 1147 ifp->if_flags |= IFF_UP; 1148 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1149 1150 device_printf(sc->sc_dev, "IP Addr=%d.%d.%d.%d\n", 1151 *lsi->pdp_addr, *(lsi->pdp_addr + 1), 1152 *(lsi->pdp_addr + 2), *(lsi->pdp_addr + 3)); 1153 device_printf(sc->sc_dev, "Gateway Addr=%d.%d.%d.%d\n", 1154 *lsi->gw_addr, *(lsi->gw_addr + 1), 1155 *(lsi->gw_addr + 2), *(lsi->gw_addr + 3)); 1156 device_printf(sc->sc_dev, "Prim NS Addr=%d.%d.%d.%d\n", 1157 *lsi->dns1_addr, *(lsi->dns1_addr + 1), 1158 *(lsi->dns1_addr + 2), *(lsi->dns1_addr + 3)); 1159 device_printf(sc->sc_dev, "Scnd NS Addr=%d.%d.%d.%d\n", 1160 *lsi->dns2_addr, *(lsi->dns2_addr + 1), 1161 *(lsi->dns2_addr + 2), *(lsi->dns2_addr + 3)); 1162 1163 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1164 break; 1165 1166 case USIE_HIP_RCGI: 1167 /* ignore, workaround for sloppy windows */ 1168 break; 1169 default: 1170 DPRINTF("undefined msgid: %x\n", hip->id); 1171 break; 1172 } 1173 1174 mtx_unlock(&sc->sc_mtx); 1175 } 1176 1177 static void 1178 usie_if_start(struct ifnet *ifp) 1179 { 1180 struct usie_softc *sc = ifp->if_softc; 1181 1182 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1183 DPRINTF("Not running\n"); 1184 return; 1185 } 1186 mtx_lock(&sc->sc_mtx); 1187 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_TX]); 1188 mtx_unlock(&sc->sc_mtx); 1189 1190 DPRINTFN(3, "interface started\n"); 1191 } 1192 1193 static int 1194 usie_if_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, 1195 struct route *ro) 1196 { 1197 int err; 1198 1199 DPRINTF("proto=%x\n", dst->sa_family); 1200 1201 switch (dst->sa_family) { 1202 #ifdef INET6 1203 case AF_INET6; 1204 /* fall though */ 1205 #endif 1206 case AF_INET: 1207 break; 1208 1209 /* silently drop dhclient packets */ 1210 case AF_UNSPEC: 1211 m_freem(m); 1212 return (0); 1213 1214 /* drop other packet types */ 1215 default: 1216 m_freem(m); 1217 return (EAFNOSUPPORT); 1218 } 1219 1220 err = (ifp->if_transmit)(ifp, m); 1221 if (err) { 1222 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1223 return (ENOBUFS); 1224 } 1225 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1226 1227 return (0); 1228 } 1229 1230 static void 1231 usie_if_init(void *arg) 1232 { 1233 struct usie_softc *sc = arg; 1234 struct ifnet *ifp = sc->sc_ifp; 1235 uint8_t i; 1236 1237 mtx_lock(&sc->sc_mtx); 1238 1239 /* write tx descriptor */ 1240 sc->sc_txd.hip.id = USIE_HIP_CTX; 1241 sc->sc_txd.hip.param = 0; /* init value */ 1242 sc->sc_txd.desc_type = htobe16(USIE_IP_TX); 1243 1244 for (i = 0; i != USIE_IF_N_XFER; i++) 1245 usbd_xfer_set_stall(sc->sc_if_xfer[i]); 1246 1247 usbd_transfer_start(sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_RX]); 1248 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_STATUS]); 1249 usbd_transfer_start(sc->sc_if_xfer[USIE_IF_RX]); 1250 1251 /* if not running, initiate the modem */ 1252 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1253 usie_cns_req(sc, USIE_CNS_ID_INIT, USIE_CNS_OB_LINK_UPDATE); 1254 1255 mtx_unlock(&sc->sc_mtx); 1256 1257 DPRINTF("ifnet initialized\n"); 1258 } 1259 1260 static void 1261 usie_if_stop(struct usie_softc *sc) 1262 { 1263 usb_callout_drain(&sc->sc_if_sync_ch); 1264 1265 mtx_lock(&sc->sc_mtx); 1266 1267 /* usie_cns_req() clears IFF_* flags */ 1268 usie_cns_req(sc, USIE_CNS_ID_STOP, USIE_CNS_OB_LINK_UPDATE); 1269 1270 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_TX]); 1271 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_RX]); 1272 usbd_transfer_stop(sc->sc_if_xfer[USIE_IF_STATUS]); 1273 1274 /* shutdown device */ 1275 usie_if_cmd(sc, USIE_HIP_DOWN); 1276 1277 mtx_unlock(&sc->sc_mtx); 1278 } 1279 1280 static int 1281 usie_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1282 { 1283 struct usie_softc *sc = ifp->if_softc; 1284 struct ieee80211req *ireq; 1285 struct ieee80211req_sta_info si; 1286 struct ifmediareq *ifmr; 1287 1288 switch (cmd) { 1289 case SIOCSIFFLAGS: 1290 if (ifp->if_flags & IFF_UP) { 1291 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1292 usie_if_init(sc); 1293 } else { 1294 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 1295 usie_if_stop(sc); 1296 } 1297 break; 1298 1299 case SIOCSIFCAP: 1300 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1301 device_printf(sc->sc_dev, 1302 "Connect to the network first.\n"); 1303 break; 1304 } 1305 mtx_lock(&sc->sc_mtx); 1306 usie_cns_req(sc, USIE_CNS_ID_RSSI, USIE_CNS_OB_RSSI); 1307 mtx_unlock(&sc->sc_mtx); 1308 break; 1309 1310 case SIOCG80211: 1311 ireq = (struct ieee80211req *)data; 1312 1313 if (ireq->i_type != IEEE80211_IOC_STA_INFO) 1314 break; 1315 1316 memset(&si, 0, sizeof(si)); 1317 si.isi_len = sizeof(si); 1318 /* 1319 * ifconfig expects RSSI in 0.5dBm units 1320 * relative to the noise floor. 1321 */ 1322 si.isi_rssi = 2 * sc->sc_rssi; 1323 if (copyout(&si, (uint8_t *)ireq->i_data + 8, 1324 sizeof(struct ieee80211req_sta_info))) 1325 DPRINTF("copyout failed\n"); 1326 DPRINTF("80211\n"); 1327 break; 1328 1329 case SIOCGIFMEDIA: /* to fool ifconfig */ 1330 ifmr = (struct ifmediareq *)data; 1331 ifmr->ifm_count = 1; 1332 DPRINTF("media\n"); 1333 break; 1334 1335 case SIOCSIFADDR: 1336 break; 1337 1338 default: 1339 return (EINVAL); 1340 } 1341 return (0); 1342 } 1343 1344 static int 1345 usie_do_request(struct usie_softc *sc, struct usb_device_request *req, 1346 void *data) 1347 { 1348 int err = 0; 1349 int ntries; 1350 1351 mtx_assert(&sc->sc_mtx, MA_OWNED); 1352 1353 for (ntries = 0; ntries != 10; ntries++) { 1354 err = usbd_do_request(sc->sc_udev, 1355 &sc->sc_mtx, req, data); 1356 if (err == 0) 1357 break; 1358 1359 DPRINTF("Control request failed: %s %d/10\n", 1360 usbd_errstr(err), ntries); 1361 1362 usb_pause_mtx(&sc->sc_mtx, USB_MS_TO_TICKS(10)); 1363 } 1364 return (err); 1365 } 1366 1367 static int 1368 usie_if_cmd(struct usie_softc *sc, uint8_t cmd) 1369 { 1370 struct usb_device_request req; 1371 struct usie_hip msg; 1372 1373 msg.len = 0; 1374 msg.id = cmd; 1375 msg.param = 0; 1376 1377 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1378 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1379 USETW(req.wValue, 0); 1380 USETW(req.wIndex, sc->sc_if_ifnum); 1381 USETW(req.wLength, sizeof(msg)); 1382 1383 DPRINTF("cmd=%x\n", cmd); 1384 1385 return (usie_do_request(sc, &req, &msg)); 1386 } 1387 1388 static void 1389 usie_cns_req(struct usie_softc *sc, uint32_t id, uint16_t obj) 1390 { 1391 struct ifnet *ifp = sc->sc_ifp; 1392 struct mbuf *m; 1393 struct usb_xfer *xfer; 1394 struct usie_hip *hip; 1395 struct usie_cns *cns; 1396 uint8_t *param; 1397 uint8_t *tmp; 1398 uint8_t cns_len; 1399 1400 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1401 if (__predict_false(m == NULL)) { 1402 DPRINTF("could not allocate mbuf\n"); 1403 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1404 return; 1405 } 1406 /* to align usie_hip{} on 32 bit */ 1407 m->m_data += 3; 1408 param = mtod(m, uint8_t *); 1409 *param++ = USIE_HIP_FRM_CHR; 1410 hip = (struct usie_hip *)param; 1411 cns = (struct usie_cns *)(hip + 1); 1412 1413 tmp = param + USIE_HIPCNS_MIN - 2; 1414 1415 switch (obj) { 1416 case USIE_CNS_OB_LINK_UPDATE: 1417 cns_len = 2; 1418 cns->op = USIE_CNS_OP_SET; 1419 *tmp++ = 1; /* profile ID, always use 1 for now */ 1420 *tmp++ = id == USIE_CNS_ID_INIT ? 1 : 0; 1421 break; 1422 1423 case USIE_CNS_OB_PROF_WRITE: 1424 cns_len = 245; 1425 cns->op = USIE_CNS_OP_SET; 1426 *tmp++ = 1; /* profile ID, always use 1 for now */ 1427 *tmp++ = 2; 1428 memcpy(tmp, &sc->sc_net, 34); 1429 memset(tmp + 35, 0, 245 - 36); 1430 tmp += 243; 1431 break; 1432 1433 case USIE_CNS_OB_RSSI: 1434 cns_len = 0; 1435 cns->op = USIE_CNS_OP_REQ; 1436 break; 1437 1438 default: 1439 DPRINTF("unsupported CnS object type\n"); 1440 return; 1441 } 1442 *tmp = USIE_HIP_FRM_CHR; 1443 1444 hip->len = htobe16(sizeof(struct usie_cns) + cns_len); 1445 hip->id = USIE_HIP_CNS2M; 1446 hip->param = 0; /* none for CnS */ 1447 1448 cns->obj = htobe16(obj); 1449 cns->id = htobe32(id); 1450 cns->len = cns_len; 1451 cns->rsv0 = cns->rsv1 = 0; /* always '0' */ 1452 1453 param = (uint8_t *)(cns + 1); 1454 1455 DPRINTF("param: %16D\n", param, ":"); 1456 1457 m->m_pkthdr.len = m->m_len = USIE_HIPCNS_MIN + cns_len + 2; 1458 1459 xfer = sc->sc_uc_xfer[USIE_HIP_IF][USIE_UC_TX]; 1460 1461 if (usbd_xfer_get_priv(xfer) == NULL) { 1462 usbd_xfer_set_priv(xfer, m); 1463 usbd_transfer_start(xfer); 1464 } else { 1465 DPRINTF("Dropped CNS event\n"); 1466 m_freem(m); 1467 } 1468 } 1469 1470 static void 1471 usie_cns_rsp(struct usie_softc *sc, struct usie_cns *cns) 1472 { 1473 struct ifnet *ifp = sc->sc_ifp; 1474 1475 DPRINTF("received CnS\n"); 1476 1477 switch (be16toh(cns->obj)) { 1478 case USIE_CNS_OB_LINK_UPDATE: 1479 if (be32toh(cns->id) & USIE_CNS_ID_INIT) 1480 usie_if_sync_to(sc); 1481 else if (be32toh(cns->id) & USIE_CNS_ID_STOP) { 1482 ifp->if_flags &= ~IFF_UP; 1483 ifp->if_drv_flags &= 1484 ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1485 } else 1486 DPRINTF("undefined link update\n"); 1487 break; 1488 1489 case USIE_CNS_OB_RSSI: 1490 sc->sc_rssi = be16toh(*(int16_t *)(cns + 1)); 1491 if (sc->sc_rssi <= 0) 1492 device_printf(sc->sc_dev, "No signal\n"); 1493 else { 1494 device_printf(sc->sc_dev, "RSSI=%ddBm\n", 1495 sc->sc_rssi - 110); 1496 } 1497 break; 1498 1499 case USIE_CNS_OB_PROF_WRITE: 1500 break; 1501 1502 case USIE_CNS_OB_PDP_READ: 1503 break; 1504 1505 default: 1506 DPRINTF("undefined CnS\n"); 1507 break; 1508 } 1509 } 1510 1511 static void 1512 usie_hip_rsp(struct usie_softc *sc, uint8_t *rsp, uint32_t len) 1513 { 1514 struct usie_hip *hip; 1515 struct usie_cns *cns; 1516 uint32_t i; 1517 uint32_t j; 1518 uint32_t off; 1519 uint8_t tmp[USIE_HIPCNS_MAX] __aligned(4); 1520 1521 for (off = 0; (off + USIE_HIPCNS_MIN) <= len; off++) { 1522 uint8_t pad; 1523 1524 while ((off < len) && (rsp[off] == USIE_HIP_FRM_CHR)) 1525 off++; 1526 1527 /* Unstuff the bytes */ 1528 for (i = j = 0; ((i + off) < len) && 1529 (j < USIE_HIPCNS_MAX); i++) { 1530 if (rsp[i + off] == USIE_HIP_FRM_CHR) 1531 break; 1532 1533 if (rsp[i + off] == USIE_HIP_ESC_CHR) { 1534 if ((i + off + 1) >= len) 1535 break; 1536 tmp[j++] = rsp[i++ + off + 1] ^ 0x20; 1537 } else { 1538 tmp[j++] = rsp[i + off]; 1539 } 1540 } 1541 1542 off += i; 1543 1544 DPRINTF("frame len=%d\n", j); 1545 1546 if (j < sizeof(struct usie_hip)) { 1547 DPRINTF("too little data\n"); 1548 break; 1549 } 1550 /* 1551 * Make sure we are not reading the stack if something 1552 * is wrong. 1553 */ 1554 memset(tmp + j, 0, sizeof(tmp) - j); 1555 1556 hip = (struct usie_hip *)tmp; 1557 1558 DPRINTF("hip: len=%d msgID=%02x, param=%02x\n", 1559 be16toh(hip->len), hip->id, hip->param); 1560 1561 pad = (hip->id & USIE_HIP_PAD) ? 1 : 0; 1562 1563 if ((hip->id & USIE_HIP_MASK) == USIE_HIP_CNS2H) { 1564 cns = (struct usie_cns *)(((uint8_t *)(hip + 1)) + pad); 1565 1566 if (j < (sizeof(struct usie_cns) + 1567 sizeof(struct usie_hip) + pad)) { 1568 DPRINTF("too little data\n"); 1569 break; 1570 } 1571 DPRINTF("cns: obj=%04x, op=%02x, rsv0=%02x, " 1572 "app=%08x, rsv1=%02x, len=%d\n", 1573 be16toh(cns->obj), cns->op, cns->rsv0, 1574 be32toh(cns->id), cns->rsv1, cns->len); 1575 1576 if (cns->op & USIE_CNS_OP_ERR) 1577 DPRINTF("CnS error response\n"); 1578 else 1579 usie_cns_rsp(sc, cns); 1580 1581 i = sizeof(struct usie_hip) + pad + sizeof(struct usie_cns); 1582 j = cns->len; 1583 } else { 1584 i = sizeof(struct usie_hip) + pad; 1585 j = be16toh(hip->len); 1586 } 1587 #ifdef USB_DEBUG 1588 if (usie_debug == 0) 1589 continue; 1590 1591 while (i < USIE_HIPCNS_MAX && j > 0) { 1592 DPRINTF("param[0x%02x] = 0x%02x\n", i, tmp[i]); 1593 i++; 1594 j--; 1595 } 1596 #endif 1597 } 1598 } 1599 1600 static int 1601 usie_driver_loaded(struct module *mod, int what, void *arg) 1602 { 1603 switch (what) { 1604 case MOD_LOAD: 1605 /* register autoinstall handler */ 1606 usie_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 1607 usie_autoinst, NULL, EVENTHANDLER_PRI_ANY); 1608 break; 1609 case MOD_UNLOAD: 1610 EVENTHANDLER_DEREGISTER(usb_dev_configured, usie_etag); 1611 break; 1612 default: 1613 return (EOPNOTSUPP); 1614 } 1615 return (0); 1616 } 1617