1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2010 Fredrik Lindberg <fli@shapeshifter.se> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include <sys/param.h> 32 #include <sys/eventhandler.h> 33 #include <sys/sockio.h> 34 #include <sys/mbuf.h> 35 #include <sys/malloc.h> 36 #include <sys/kernel.h> 37 #include <sys/module.h> 38 #include <sys/socket.h> 39 #include <sys/tty.h> 40 #include <sys/sysctl.h> 41 #include <sys/condvar.h> 42 #include <sys/sx.h> 43 #include <sys/proc.h> 44 #include <sys/conf.h> 45 #include <sys/bus.h> 46 #include <sys/systm.h> 47 #include <sys/limits.h> 48 49 #include <machine/bus.h> 50 51 #include <net/if.h> 52 #include <net/if_var.h> 53 #include <net/if_types.h> 54 #include <net/netisr.h> 55 #include <net/bpf.h> 56 #include <netinet/in.h> 57 #include <netinet/ip.h> 58 #include <netinet/ip6.h> 59 60 #include <dev/usb/usb.h> 61 #include <dev/usb/usbdi.h> 62 #include <dev/usb/usbdi_util.h> 63 #include <dev/usb/usb_cdc.h> 64 #include "usbdevs.h" 65 #define USB_DEBUG_VAR uhso_debug 66 #include <dev/usb/usb_debug.h> 67 #include <dev/usb/usb_process.h> 68 #include <dev/usb/usb_busdma.h> 69 #include <dev/usb/usb_msctest.h> 70 71 #include <dev/usb/serial/usb_serial.h> 72 73 struct uhso_tty { 74 struct uhso_softc *ht_sc; 75 struct usb_xfer *ht_xfer[3]; 76 int ht_muxport; /* Mux. port no */ 77 int ht_open; 78 char ht_name[32]; 79 }; 80 81 struct uhso_softc { 82 device_t sc_dev; 83 struct usb_device *sc_udev; 84 struct mtx sc_mtx; 85 uint32_t sc_type; /* Interface definition */ 86 int sc_radio; 87 88 struct usb_xfer *sc_xfer[3]; 89 uint8_t sc_iface_no; 90 uint8_t sc_iface_index; 91 92 /* Control pipe */ 93 struct usb_xfer * sc_ctrl_xfer[2]; 94 uint8_t sc_ctrl_iface_no; 95 96 /* Network */ 97 struct usb_xfer *sc_if_xfer[2]; 98 struct ifnet *sc_ifp; 99 struct mbuf *sc_mwait; /* Partial packet */ 100 size_t sc_waitlen; /* No. of outstanding bytes */ 101 struct mbufq sc_rxq; 102 struct callout sc_c; 103 104 /* TTY related structures */ 105 struct ucom_super_softc sc_super_ucom; 106 int sc_ttys; 107 struct uhso_tty *sc_tty; 108 struct ucom_softc *sc_ucom; 109 int sc_msr; 110 int sc_lsr; 111 int sc_line; 112 }; 113 114 #define UHSO_MAX_MTU 2048 115 116 /* 117 * There are mainly two type of cards floating around. 118 * The first one has 2,3 or 4 interfaces with a multiplexed serial port 119 * and packet interface on the first interface and bulk serial ports 120 * on the others. 121 * The second type of card has several other interfaces, their purpose 122 * can be detected during run-time. 123 */ 124 #define UHSO_IFACE_SPEC(usb_type, port, port_type) \ 125 (((usb_type) << 24) | ((port) << 16) | (port_type)) 126 127 #define UHSO_IFACE_USB_TYPE(x) ((x >> 24) & 0xff) 128 #define UHSO_IFACE_PORT(x) ((x >> 16) & 0xff) 129 #define UHSO_IFACE_PORT_TYPE(x) (x & 0xff) 130 131 /* 132 * USB interface types 133 */ 134 #define UHSO_IF_NET 0x01 /* Network packet interface */ 135 #define UHSO_IF_MUX 0x02 /* Multiplexed serial port */ 136 #define UHSO_IF_BULK 0x04 /* Bulk interface */ 137 138 /* 139 * Port types 140 */ 141 #define UHSO_PORT_UNKNOWN 0x00 142 #define UHSO_PORT_SERIAL 0x01 /* Serial port */ 143 #define UHSO_PORT_NETWORK 0x02 /* Network packet interface */ 144 145 /* 146 * Multiplexed serial port destination sub-port names 147 */ 148 #define UHSO_MPORT_TYPE_CTL 0x00 /* Control port */ 149 #define UHSO_MPORT_TYPE_APP 0x01 /* Application */ 150 #define UHSO_MPORT_TYPE_PCSC 0x02 151 #define UHSO_MPORT_TYPE_GPS 0x03 152 #define UHSO_MPORT_TYPE_APP2 0x04 /* Secondary application */ 153 #define UHSO_MPORT_TYPE_MAX UHSO_MPORT_TYPE_APP2 154 #define UHSO_MPORT_TYPE_NOMAX 8 /* Max number of mux ports */ 155 156 /* 157 * Port definitions 158 * Note that these definitions are arbitrary and do not match the values 159 * returned by the auto config descriptor. 160 */ 161 #define UHSO_PORT_TYPE_UNKNOWN 0x00 162 #define UHSO_PORT_TYPE_CTL 0x01 163 #define UHSO_PORT_TYPE_APP 0x02 164 #define UHSO_PORT_TYPE_APP2 0x03 165 #define UHSO_PORT_TYPE_MODEM 0x04 166 #define UHSO_PORT_TYPE_NETWORK 0x05 167 #define UHSO_PORT_TYPE_DIAG 0x06 168 #define UHSO_PORT_TYPE_DIAG2 0x07 169 #define UHSO_PORT_TYPE_GPS 0x08 170 #define UHSO_PORT_TYPE_GPSCTL 0x09 171 #define UHSO_PORT_TYPE_PCSC 0x0a 172 #define UHSO_PORT_TYPE_MSD 0x0b 173 #define UHSO_PORT_TYPE_VOICE 0x0c 174 #define UHSO_PORT_TYPE_MAX 0x0c 175 176 static eventhandler_tag uhso_etag; 177 178 /* Overall port type */ 179 static char *uhso_port[] = { 180 "Unknown", 181 "Serial", 182 "Network", 183 "Network/Serial" 184 }; 185 186 /* 187 * Map between interface port type read from device and description type. 188 * The position in this array is a direct map to the auto config 189 * descriptor values. 190 */ 191 static unsigned char uhso_port_map[] = { 192 UHSO_PORT_TYPE_UNKNOWN, 193 UHSO_PORT_TYPE_DIAG, 194 UHSO_PORT_TYPE_GPS, 195 UHSO_PORT_TYPE_GPSCTL, 196 UHSO_PORT_TYPE_APP, 197 UHSO_PORT_TYPE_APP2, 198 UHSO_PORT_TYPE_CTL, 199 UHSO_PORT_TYPE_NETWORK, 200 UHSO_PORT_TYPE_MODEM, 201 UHSO_PORT_TYPE_MSD, 202 UHSO_PORT_TYPE_PCSC, 203 UHSO_PORT_TYPE_VOICE 204 }; 205 static char uhso_port_map_max = sizeof(uhso_port_map) / sizeof(char); 206 207 static unsigned char uhso_mux_port_map[] = { 208 UHSO_PORT_TYPE_CTL, 209 UHSO_PORT_TYPE_APP, 210 UHSO_PORT_TYPE_PCSC, 211 UHSO_PORT_TYPE_GPS, 212 UHSO_PORT_TYPE_APP2 213 }; 214 215 static char *uhso_port_type[] = { 216 "Unknown", /* Not a valid port */ 217 "Control", 218 "Application", 219 "Application (Secondary)", 220 "Modem", 221 "Network", 222 "Diagnostic", 223 "Diagnostic (Secondary)", 224 "GPS", 225 "GPS Control", 226 "PC Smartcard", 227 "MSD", 228 "Voice", 229 }; 230 231 static char *uhso_port_type_sysctl[] = { 232 "unknown", 233 "control", 234 "application", 235 "application", 236 "modem", 237 "network", 238 "diagnostic", 239 "diagnostic", 240 "gps", 241 "gps_control", 242 "pcsc", 243 "msd", 244 "voice", 245 }; 246 247 #define UHSO_STATIC_IFACE 0x01 248 #define UHSO_AUTO_IFACE 0x02 249 250 /* ifnet device unit allocations */ 251 static struct unrhdr *uhso_ifnet_unit = NULL; 252 253 static const STRUCT_USB_HOST_ID uhso_devs[] = { 254 #define UHSO_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 255 /* Option GlobeTrotter MAX 7.2 with upgraded firmware */ 256 UHSO_DEV(OPTION, GTMAX72, UHSO_STATIC_IFACE), 257 /* Option GlobeSurfer iCON 7.2 */ 258 UHSO_DEV(OPTION, GSICON72, UHSO_STATIC_IFACE), 259 /* Option iCON 225 */ 260 UHSO_DEV(OPTION, GTHSDPA, UHSO_STATIC_IFACE), 261 /* Option GlobeSurfer iCON HSUPA */ 262 UHSO_DEV(OPTION, GSICONHSUPA, UHSO_STATIC_IFACE), 263 /* Option GlobeTrotter HSUPA */ 264 UHSO_DEV(OPTION, GTHSUPA, UHSO_STATIC_IFACE), 265 /* GE40x */ 266 UHSO_DEV(OPTION, GE40X, UHSO_AUTO_IFACE), 267 UHSO_DEV(OPTION, GE40X_1, UHSO_AUTO_IFACE), 268 UHSO_DEV(OPTION, GE40X_2, UHSO_AUTO_IFACE), 269 UHSO_DEV(OPTION, GE40X_3, UHSO_AUTO_IFACE), 270 /* Option GlobeSurfer iCON 401 */ 271 UHSO_DEV(OPTION, ICON401, UHSO_AUTO_IFACE), 272 /* Option GlobeTrotter Module 382 */ 273 UHSO_DEV(OPTION, GMT382, UHSO_AUTO_IFACE), 274 /* Option GTM661W */ 275 UHSO_DEV(OPTION, GTM661W, UHSO_AUTO_IFACE), 276 /* Option iCON EDGE */ 277 UHSO_DEV(OPTION, ICONEDGE, UHSO_STATIC_IFACE), 278 /* Option Module HSxPA */ 279 UHSO_DEV(OPTION, MODHSXPA, UHSO_STATIC_IFACE), 280 /* Option iCON 321 */ 281 UHSO_DEV(OPTION, ICON321, UHSO_STATIC_IFACE), 282 /* Option iCON 322 */ 283 UHSO_DEV(OPTION, GTICON322, UHSO_STATIC_IFACE), 284 /* Option iCON 505 */ 285 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 286 /* Option iCON 452 */ 287 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 288 #undef UHSO_DEV 289 }; 290 291 static SYSCTL_NODE(_hw_usb, OID_AUTO, uhso, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, 292 "USB uhso"); 293 static int uhso_autoswitch = 1; 294 SYSCTL_INT(_hw_usb_uhso, OID_AUTO, auto_switch, CTLFLAG_RWTUN, 295 &uhso_autoswitch, 0, "Automatically switch to modem mode"); 296 297 #ifdef USB_DEBUG 298 #ifdef UHSO_DEBUG 299 static int uhso_debug = UHSO_DEBUG; 300 #else 301 static int uhso_debug = -1; 302 #endif 303 304 SYSCTL_INT(_hw_usb_uhso, OID_AUTO, debug, CTLFLAG_RWTUN, 305 &uhso_debug, 0, "Debug level"); 306 307 #define UHSO_DPRINTF(n, x, ...) {\ 308 if (uhso_debug >= n) {\ 309 printf("%s: " x, __func__, ##__VA_ARGS__);\ 310 }\ 311 } 312 #else 313 #define UHSO_DPRINTF(n, x, ...) 314 #endif 315 316 #ifdef UHSO_DEBUG_HEXDUMP 317 # define UHSO_HEXDUMP(_buf, _len) do { \ 318 { \ 319 size_t __tmp; \ 320 const char *__buf = (const char *)_buf; \ 321 for (__tmp = 0; __tmp < _len; __tmp++) \ 322 printf("%02hhx ", *__buf++); \ 323 printf("\n"); \ 324 } \ 325 } while(0) 326 #else 327 # define UHSO_HEXDUMP(_buf, _len) 328 #endif 329 330 enum { 331 UHSO_MUX_ENDPT_INTR = 0, 332 UHSO_MUX_ENDPT_MAX 333 }; 334 335 enum { 336 UHSO_CTRL_READ = 0, 337 UHSO_CTRL_WRITE, 338 UHSO_CTRL_MAX 339 }; 340 341 enum { 342 UHSO_IFNET_READ = 0, 343 UHSO_IFNET_WRITE, 344 UHSO_IFNET_MAX 345 }; 346 347 enum { 348 UHSO_BULK_ENDPT_READ = 0, 349 UHSO_BULK_ENDPT_WRITE, 350 UHSO_BULK_ENDPT_INTR, 351 UHSO_BULK_ENDPT_MAX 352 }; 353 354 static usb_callback_t uhso_mux_intr_callback; 355 static usb_callback_t uhso_mux_read_callback; 356 static usb_callback_t uhso_mux_write_callback; 357 static usb_callback_t uhso_bs_read_callback; 358 static usb_callback_t uhso_bs_write_callback; 359 static usb_callback_t uhso_bs_intr_callback; 360 static usb_callback_t uhso_ifnet_read_callback; 361 static usb_callback_t uhso_ifnet_write_callback; 362 363 /* Config used for the default control pipes */ 364 static const struct usb_config uhso_ctrl_config[UHSO_CTRL_MAX] = { 365 [UHSO_CTRL_READ] = { 366 .type = UE_CONTROL, 367 .endpoint = 0x00, 368 .direction = UE_DIR_ANY, 369 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 370 .bufsize = sizeof(struct usb_device_request) + 1024, 371 .callback = &uhso_mux_read_callback 372 }, 373 374 [UHSO_CTRL_WRITE] = { 375 .type = UE_CONTROL, 376 .endpoint = 0x00, 377 .direction = UE_DIR_ANY, 378 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 379 .bufsize = sizeof(struct usb_device_request) + 1024, 380 .timeout = 1000, 381 .callback = &uhso_mux_write_callback 382 } 383 }; 384 385 /* Config for the multiplexed serial ports */ 386 static const struct usb_config uhso_mux_config[UHSO_MUX_ENDPT_MAX] = { 387 [UHSO_MUX_ENDPT_INTR] = { 388 .type = UE_INTERRUPT, 389 .endpoint = UE_ADDR_ANY, 390 .direction = UE_DIR_IN, 391 .flags = { .short_xfer_ok = 1 }, 392 .bufsize = 0, 393 .callback = &uhso_mux_intr_callback, 394 } 395 }; 396 397 /* Config for the raw IP-packet interface */ 398 static const struct usb_config uhso_ifnet_config[UHSO_IFNET_MAX] = { 399 [UHSO_IFNET_READ] = { 400 .type = UE_BULK, 401 .endpoint = UE_ADDR_ANY, 402 .direction = UE_DIR_IN, 403 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 404 .bufsize = MCLBYTES, 405 .callback = &uhso_ifnet_read_callback 406 }, 407 [UHSO_IFNET_WRITE] = { 408 .type = UE_BULK, 409 .endpoint = UE_ADDR_ANY, 410 .direction = UE_DIR_OUT, 411 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 412 .bufsize = MCLBYTES, 413 .timeout = 5 * USB_MS_HZ, 414 .callback = &uhso_ifnet_write_callback 415 } 416 }; 417 418 /* Config for interfaces with normal bulk serial ports */ 419 static const struct usb_config uhso_bs_config[UHSO_BULK_ENDPT_MAX] = { 420 [UHSO_BULK_ENDPT_READ] = { 421 .type = UE_BULK, 422 .endpoint = UE_ADDR_ANY, 423 .direction = UE_DIR_IN, 424 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 425 .bufsize = 4096, 426 .callback = &uhso_bs_read_callback 427 }, 428 429 [UHSO_BULK_ENDPT_WRITE] = { 430 .type = UE_BULK, 431 .endpoint = UE_ADDR_ANY, 432 .direction = UE_DIR_OUT, 433 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 434 .bufsize = 8192, 435 .callback = &uhso_bs_write_callback 436 }, 437 438 [UHSO_BULK_ENDPT_INTR] = { 439 .type = UE_INTERRUPT, 440 .endpoint = UE_ADDR_ANY, 441 .direction = UE_DIR_IN, 442 .flags = { .short_xfer_ok = 1 }, 443 .bufsize = 0, 444 .callback = &uhso_bs_intr_callback, 445 } 446 }; 447 448 static int uhso_probe_iface(struct uhso_softc *, int, 449 int (*probe)(struct usb_device *, int)); 450 static int uhso_probe_iface_auto(struct usb_device *, int); 451 static int uhso_probe_iface_static(struct usb_device *, int); 452 static int uhso_attach_muxserial(struct uhso_softc *, struct usb_interface *, 453 int type); 454 static int uhso_attach_bulkserial(struct uhso_softc *, struct usb_interface *, 455 int type); 456 static int uhso_attach_ifnet(struct uhso_softc *, struct usb_interface *, 457 int type); 458 static void uhso_test_autoinst(void *, struct usb_device *, 459 struct usb_attach_arg *); 460 static int uhso_driver_loaded(struct module *, int, void *); 461 static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS); 462 static int uhso_radio_ctrl(struct uhso_softc *, int); 463 464 static void uhso_free(struct ucom_softc *); 465 static void uhso_ucom_start_read(struct ucom_softc *); 466 static void uhso_ucom_stop_read(struct ucom_softc *); 467 static void uhso_ucom_start_write(struct ucom_softc *); 468 static void uhso_ucom_stop_write(struct ucom_softc *); 469 static void uhso_ucom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 470 static void uhso_ucom_cfg_set_dtr(struct ucom_softc *, uint8_t); 471 static void uhso_ucom_cfg_set_rts(struct ucom_softc *, uint8_t); 472 static void uhso_if_init(void *); 473 static void uhso_if_start(struct ifnet *); 474 static void uhso_if_stop(struct uhso_softc *); 475 static int uhso_if_ioctl(struct ifnet *, u_long, caddr_t); 476 static int uhso_if_output(struct ifnet *, struct mbuf *, 477 const struct sockaddr *, struct route *); 478 static void uhso_if_rxflush(void *); 479 480 static device_probe_t uhso_probe; 481 static device_attach_t uhso_attach; 482 static device_detach_t uhso_detach; 483 static void uhso_free_softc(struct uhso_softc *); 484 485 static device_method_t uhso_methods[] = { 486 DEVMETHOD(device_probe, uhso_probe), 487 DEVMETHOD(device_attach, uhso_attach), 488 DEVMETHOD(device_detach, uhso_detach), 489 { 0, 0 } 490 }; 491 492 static driver_t uhso_driver = { 493 .name = "uhso", 494 .methods = uhso_methods, 495 .size = sizeof(struct uhso_softc) 496 }; 497 498 static devclass_t uhso_devclass; 499 DRIVER_MODULE(uhso, uhub, uhso_driver, uhso_devclass, uhso_driver_loaded, 0); 500 MODULE_DEPEND(uhso, ucom, 1, 1, 1); 501 MODULE_DEPEND(uhso, usb, 1, 1, 1); 502 MODULE_VERSION(uhso, 1); 503 USB_PNP_HOST_INFO(uhso_devs); 504 505 static struct ucom_callback uhso_ucom_callback = { 506 .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, 507 .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, 508 .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, 509 .ucom_start_read = uhso_ucom_start_read, 510 .ucom_stop_read = uhso_ucom_stop_read, 511 .ucom_start_write = uhso_ucom_start_write, 512 .ucom_stop_write = uhso_ucom_stop_write, 513 .ucom_free = &uhso_free, 514 }; 515 516 static int 517 uhso_probe(device_t self) 518 { 519 struct usb_attach_arg *uaa = device_get_ivars(self); 520 int error; 521 522 if (uaa->usb_mode != USB_MODE_HOST) 523 return (ENXIO); 524 if (uaa->info.bConfigIndex != 0) 525 return (ENXIO); 526 if (uaa->info.bDeviceClass != 0xff) 527 return (ENXIO); 528 529 error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); 530 if (error != 0) 531 return (error); 532 533 /* 534 * Probe device to see if we are able to attach 535 * to this interface or not. 536 */ 537 if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { 538 if (uhso_probe_iface_auto(uaa->device, 539 uaa->info.bIfaceNum) == 0) 540 return (ENXIO); 541 } 542 return (error); 543 } 544 545 static int 546 uhso_attach(device_t self) 547 { 548 struct uhso_softc *sc = device_get_softc(self); 549 struct usb_attach_arg *uaa = device_get_ivars(self); 550 struct usb_interface_descriptor *id; 551 struct sysctl_ctx_list *sctx; 552 struct sysctl_oid *soid; 553 struct sysctl_oid *tree = NULL, *tty_node; 554 struct ucom_softc *ucom; 555 struct uhso_tty *ht; 556 int i, error, port; 557 void *probe_f; 558 usb_error_t uerr; 559 char *desc; 560 561 sc->sc_dev = self; 562 sc->sc_udev = uaa->device; 563 mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); 564 mbufq_init(&sc->sc_rxq, INT_MAX); /* XXXGL: sane maximum */ 565 ucom_ref(&sc->sc_super_ucom); 566 567 sc->sc_radio = 1; 568 569 id = usbd_get_interface_descriptor(uaa->iface); 570 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 571 572 sc->sc_iface_no = uaa->info.bIfaceNum; 573 sc->sc_iface_index = uaa->info.bIfaceIndex; 574 575 /* Setup control pipe */ 576 uerr = usbd_transfer_setup(uaa->device, 577 &sc->sc_iface_index, sc->sc_ctrl_xfer, 578 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 579 if (uerr) { 580 device_printf(self, "Failed to setup control pipe: %s\n", 581 usbd_errstr(uerr)); 582 goto out; 583 } 584 585 if (USB_GET_DRIVER_INFO(uaa) == UHSO_STATIC_IFACE) 586 probe_f = uhso_probe_iface_static; 587 else if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) 588 probe_f = uhso_probe_iface_auto; 589 else 590 goto out; 591 592 error = uhso_probe_iface(sc, uaa->info.bIfaceNum, probe_f); 593 if (error != 0) 594 goto out; 595 596 sctx = device_get_sysctl_ctx(sc->sc_dev); 597 soid = device_get_sysctl_tree(sc->sc_dev); 598 599 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "type", 600 CTLFLAG_RD, uhso_port[UHSO_IFACE_PORT(sc->sc_type)], 0, 601 "Port available at this interface"); 602 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "radio", 603 CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, sc, 0, 604 uhso_radio_sysctl, "I", "Enable radio"); 605 606 /* 607 * The default interface description on most Option devices isn't 608 * very helpful. So we skip device_set_usb_desc and set the 609 * device description manually. 610 */ 611 device_set_desc_copy(self, uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)]); 612 /* Announce device */ 613 device_printf(self, "<%s port> at <%s %s> on %s\n", 614 uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)], 615 usb_get_manufacturer(uaa->device), 616 usb_get_product(uaa->device), 617 device_get_nameunit(device_get_parent(self))); 618 619 if (sc->sc_ttys > 0) { 620 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports", 621 CTLFLAG_RD, &sc->sc_ttys, 0, "Number of attached serial ports"); 622 623 tree = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 624 "port", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "Serial ports"); 625 } 626 627 /* 628 * Loop through the number of found TTYs and create sysctl 629 * nodes for them. 630 */ 631 for (i = 0; i < sc->sc_ttys; i++) { 632 ht = &sc->sc_tty[i]; 633 ucom = &sc->sc_ucom[i]; 634 635 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) 636 port = uhso_mux_port_map[ht->ht_muxport]; 637 else 638 port = UHSO_IFACE_PORT_TYPE(sc->sc_type); 639 640 desc = uhso_port_type_sysctl[port]; 641 642 tty_node = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(tree), OID_AUTO, 643 desc, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, ""); 644 645 ht->ht_name[0] = 0; 646 if (sc->sc_ttys == 1) 647 snprintf(ht->ht_name, 32, "cuaU%d", ucom->sc_super->sc_unit); 648 else { 649 snprintf(ht->ht_name, 32, "cuaU%d.%d", 650 ucom->sc_super->sc_unit, ucom->sc_subunit); 651 } 652 653 desc = uhso_port_type[port]; 654 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 655 "tty", CTLFLAG_RD, ht->ht_name, 0, ""); 656 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 657 "desc", CTLFLAG_RD, desc, 0, ""); 658 659 if (bootverbose) 660 device_printf(sc->sc_dev, 661 "\"%s\" port at %s\n", desc, ht->ht_name); 662 } 663 664 return (0); 665 out: 666 uhso_detach(sc->sc_dev); 667 return (ENXIO); 668 } 669 670 static int 671 uhso_detach(device_t self) 672 { 673 struct uhso_softc *sc = device_get_softc(self); 674 int i; 675 676 usbd_transfer_unsetup(sc->sc_xfer, 3); 677 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); 678 if (sc->sc_ttys > 0) { 679 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 680 681 for (i = 0; i < sc->sc_ttys; i++) { 682 if (sc->sc_tty[i].ht_muxport != -1) { 683 usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, 684 UHSO_CTRL_MAX); 685 } 686 } 687 } 688 689 if (sc->sc_ifp != NULL) { 690 callout_drain(&sc->sc_c); 691 free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); 692 mtx_lock(&sc->sc_mtx); 693 uhso_if_stop(sc); 694 bpfdetach(sc->sc_ifp); 695 if_detach(sc->sc_ifp); 696 if_free(sc->sc_ifp); 697 mtx_unlock(&sc->sc_mtx); 698 usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); 699 } 700 701 device_claim_softc(self); 702 703 uhso_free_softc(sc); 704 705 return (0); 706 } 707 708 UCOM_UNLOAD_DRAIN(uhso); 709 710 static void 711 uhso_free_softc(struct uhso_softc *sc) 712 { 713 if (ucom_unref(&sc->sc_super_ucom)) { 714 free(sc->sc_tty, M_USBDEV); 715 free(sc->sc_ucom, M_USBDEV); 716 mtx_destroy(&sc->sc_mtx); 717 device_free_softc(sc); 718 } 719 } 720 721 static void 722 uhso_free(struct ucom_softc *ucom) 723 { 724 uhso_free_softc(ucom->sc_parent); 725 } 726 727 static void 728 uhso_test_autoinst(void *arg, struct usb_device *udev, 729 struct usb_attach_arg *uaa) 730 { 731 struct usb_interface *iface; 732 struct usb_interface_descriptor *id; 733 734 if (uaa->dev_state != UAA_DEV_READY || !uhso_autoswitch) 735 return; 736 737 iface = usbd_get_iface(udev, 0); 738 if (iface == NULL) 739 return; 740 id = iface->idesc; 741 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 742 return; 743 if (usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa)) 744 return; /* no device match */ 745 746 if (usb_msc_eject(udev, 0, MSC_EJECT_REZERO) == 0) { 747 /* success, mark the udev as disappearing */ 748 uaa->dev_state = UAA_DEV_EJECTING; 749 } 750 } 751 752 static int 753 uhso_driver_loaded(struct module *mod, int what, void *arg) 754 { 755 switch (what) { 756 case MOD_LOAD: 757 /* register our autoinstall handler */ 758 uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 759 uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); 760 /* create our unit allocator for inet devs */ 761 uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL); 762 break; 763 case MOD_UNLOAD: 764 EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag); 765 delete_unrhdr(uhso_ifnet_unit); 766 break; 767 default: 768 return (EOPNOTSUPP); 769 } 770 return (0); 771 } 772 773 /* 774 * Probe the interface type by querying the device. The elements 775 * of an array indicates the capabilities of a particular interface. 776 * Returns a bit mask with the interface capabilities. 777 */ 778 static int 779 uhso_probe_iface_auto(struct usb_device *udev, int index) 780 { 781 struct usb_device_request req; 782 usb_error_t uerr; 783 uint16_t actlen = 0; 784 char port; 785 char buf[17] = {0}; 786 787 req.bmRequestType = UT_READ_VENDOR_DEVICE; 788 req.bRequest = 0x86; 789 USETW(req.wValue, 0); 790 USETW(req.wIndex, 0); 791 USETW(req.wLength, 17); 792 793 uerr = usbd_do_request_flags(udev, NULL, &req, buf, 794 0, &actlen, USB_MS_HZ); 795 if (uerr != 0) { 796 printf("%s: usbd_do_request_flags failed, %s\n", 797 __func__, usbd_errstr(uerr)); 798 return (0); 799 } 800 801 UHSO_DPRINTF(1, "actlen=%d\n", actlen); 802 UHSO_HEXDUMP(buf, 17); 803 804 if (index < 0 || index > 16) { 805 UHSO_DPRINTF(0, "Index %d out of range\n", index); 806 return (0); 807 } 808 809 UHSO_DPRINTF(1, "index=%d, type=%x[%s]\n", index, buf[index], 810 uhso_port_type[(int)uhso_port_map[(int)buf[index]]]); 811 812 if (buf[index] >= uhso_port_map_max) 813 port = 0; 814 else 815 port = uhso_port_map[(int)buf[index]]; 816 817 switch (port) { 818 case UHSO_PORT_TYPE_NETWORK: 819 return (UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 820 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, port)); 821 case UHSO_PORT_TYPE_DIAG: 822 case UHSO_PORT_TYPE_DIAG2: 823 case UHSO_PORT_TYPE_GPS: 824 case UHSO_PORT_TYPE_GPSCTL: 825 case UHSO_PORT_TYPE_CTL: 826 case UHSO_PORT_TYPE_APP: 827 case UHSO_PORT_TYPE_APP2: 828 case UHSO_PORT_TYPE_MODEM: 829 return (UHSO_IFACE_SPEC(UHSO_IF_BULK, 830 UHSO_PORT_SERIAL, port)); 831 case UHSO_PORT_TYPE_MSD: 832 return (0); 833 case UHSO_PORT_TYPE_UNKNOWN: 834 default: 835 return (0); 836 } 837 838 return (0); 839 } 840 841 /* 842 * Returns the capabilities of interfaces for devices that don't 843 * support the automatic query. 844 * Returns a bit mask with the interface capabilities. 845 */ 846 static int 847 uhso_probe_iface_static(struct usb_device *udev, int index) 848 { 849 struct usb_config_descriptor *cd; 850 851 cd = usbd_get_config_descriptor(udev); 852 if (cd->bNumInterface <= 3) { 853 /* Cards with 3 or less interfaces */ 854 switch (index) { 855 case 0: 856 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 857 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 858 UHSO_PORT_TYPE_NETWORK); 859 case 1: 860 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 861 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 862 case 2: 863 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 864 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 865 } 866 } else { 867 /* Cards with 4 interfaces */ 868 switch (index) { 869 case 0: 870 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 871 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 872 UHSO_PORT_TYPE_NETWORK); 873 case 1: 874 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 875 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG2); 876 case 2: 877 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 878 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 879 case 3: 880 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 881 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 882 } 883 } 884 return (0); 885 } 886 887 /* 888 * Probes an interface for its particular capabilities and attaches if 889 * it's a supported interface. 890 */ 891 static int 892 uhso_probe_iface(struct uhso_softc *sc, int index, 893 int (*probe)(struct usb_device *, int)) 894 { 895 struct usb_interface *iface; 896 int type, error; 897 898 UHSO_DPRINTF(1, "Probing for interface %d, probe_func=%p\n", index, probe); 899 900 type = probe(sc->sc_udev, index); 901 UHSO_DPRINTF(1, "Probe result %x\n", type); 902 if (type <= 0) 903 return (ENXIO); 904 905 sc->sc_type = type; 906 iface = usbd_get_iface(sc->sc_udev, index); 907 908 if (UHSO_IFACE_PORT_TYPE(type) == UHSO_PORT_TYPE_NETWORK) { 909 error = uhso_attach_ifnet(sc, iface, type); 910 if (error) { 911 UHSO_DPRINTF(1, "uhso_attach_ifnet failed"); 912 return (ENXIO); 913 } 914 915 /* 916 * If there is an additional interrupt endpoint on this 917 * interface then we most likely have a multiplexed serial port 918 * available. 919 */ 920 if (iface->idesc->bNumEndpoints < 3) { 921 sc->sc_type = UHSO_IFACE_SPEC( 922 UHSO_IFACE_USB_TYPE(type) & ~UHSO_IF_MUX, 923 UHSO_IFACE_PORT(type) & ~UHSO_PORT_SERIAL, 924 UHSO_IFACE_PORT_TYPE(type)); 925 return (0); 926 } 927 928 UHSO_DPRINTF(1, "Trying to attach mux. serial\n"); 929 error = uhso_attach_muxserial(sc, iface, type); 930 if (error == 0 && sc->sc_ttys > 0) { 931 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 932 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 933 if (error) { 934 device_printf(sc->sc_dev, "ucom_attach failed\n"); 935 return (ENXIO); 936 } 937 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); 938 939 mtx_lock(&sc->sc_mtx); 940 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 941 mtx_unlock(&sc->sc_mtx); 942 } 943 } else if ((UHSO_IFACE_USB_TYPE(type) & UHSO_IF_BULK) && 944 UHSO_IFACE_PORT(type) & UHSO_PORT_SERIAL) { 945 error = uhso_attach_bulkserial(sc, iface, type); 946 if (error) 947 return (ENXIO); 948 949 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 950 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 951 if (error) { 952 device_printf(sc->sc_dev, "ucom_attach failed\n"); 953 return (ENXIO); 954 } 955 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); 956 } 957 else { 958 UHSO_DPRINTF(0, "Unknown type %x\n", type); 959 return (ENXIO); 960 } 961 962 return (0); 963 } 964 965 static int 966 uhso_radio_ctrl(struct uhso_softc *sc, int onoff) 967 { 968 struct usb_device_request req; 969 usb_error_t uerr; 970 971 req.bmRequestType = UT_VENDOR; 972 req.bRequest = onoff ? 0x82 : 0x81; 973 USETW(req.wValue, 0); 974 USETW(req.wIndex, 0); 975 USETW(req.wLength, 0); 976 977 uerr = usbd_do_request(sc->sc_udev, NULL, &req, NULL); 978 if (uerr != 0) { 979 device_printf(sc->sc_dev, "usbd_do_request_flags failed: %s\n", 980 usbd_errstr(uerr)); 981 return (-1); 982 } 983 return (onoff); 984 } 985 986 static int 987 uhso_radio_sysctl(SYSCTL_HANDLER_ARGS) 988 { 989 struct uhso_softc *sc = arg1; 990 int error, radio; 991 992 radio = sc->sc_radio; 993 error = sysctl_handle_int(oidp, &radio, 0, req); 994 if (error) 995 return (error); 996 if (radio != sc->sc_radio) { 997 radio = radio != 0 ? 1 : 0; 998 error = uhso_radio_ctrl(sc, radio); 999 if (error != -1) 1000 sc->sc_radio = radio; 1001 1002 } 1003 return (0); 1004 } 1005 1006 /* 1007 * Expands allocated memory to fit an additional TTY. 1008 * Two arrays are kept with matching indexes, one for ucom and one 1009 * for our private data. 1010 */ 1011 static int 1012 uhso_alloc_tty(struct uhso_softc *sc) 1013 { 1014 1015 sc->sc_ttys++; 1016 sc->sc_tty = reallocf(sc->sc_tty, sizeof(struct uhso_tty) * sc->sc_ttys, 1017 M_USBDEV, M_WAITOK | M_ZERO); 1018 if (sc->sc_tty == NULL) 1019 return (-1); 1020 1021 sc->sc_ucom = reallocf(sc->sc_ucom, 1022 sizeof(struct ucom_softc) * sc->sc_ttys, M_USBDEV, M_WAITOK | M_ZERO); 1023 if (sc->sc_ucom == NULL) 1024 return (-1); 1025 1026 sc->sc_tty[sc->sc_ttys - 1].ht_sc = sc; 1027 1028 UHSO_DPRINTF(1, "Allocated TTY %d\n", sc->sc_ttys - 1); 1029 return (sc->sc_ttys - 1); 1030 } 1031 1032 /* 1033 * Attach a multiplexed serial port 1034 * Data is read/written with requests on the default control pipe. An interrupt 1035 * endpoint returns when there is new data to be read. 1036 */ 1037 static int 1038 uhso_attach_muxserial(struct uhso_softc *sc, struct usb_interface *iface, 1039 int type) 1040 { 1041 struct usb_descriptor *desc; 1042 int i, port, tty; 1043 usb_error_t uerr; 1044 1045 /* 1046 * The class specific interface (type 0x24) descriptor subtype field 1047 * contains a bitmask that specifies which (and how many) ports that 1048 * are available through this multiplexed serial port. 1049 */ 1050 desc = usbd_find_descriptor(sc->sc_udev, NULL, 1051 iface->idesc->bInterfaceNumber, UDESC_CS_INTERFACE, 0xff, 0, 0); 1052 if (desc == NULL) { 1053 UHSO_DPRINTF(0, "Failed to find UDESC_CS_INTERFACE\n"); 1054 return (ENXIO); 1055 } 1056 1057 UHSO_DPRINTF(1, "Mux port mask %x\n", desc->bDescriptorSubtype); 1058 if (desc->bDescriptorSubtype == 0) 1059 return (ENXIO); 1060 1061 /* 1062 * The bitmask is one octet, loop through the number of 1063 * bits that are set and create a TTY for each. 1064 */ 1065 for (i = 0; i < 8; i++) { 1066 port = (1 << i); 1067 if ((port & desc->bDescriptorSubtype) == port) { 1068 UHSO_DPRINTF(2, "Found mux port %x (%d)\n", port, i); 1069 tty = uhso_alloc_tty(sc); 1070 if (tty < 0) 1071 return (ENOMEM); 1072 sc->sc_tty[tty].ht_muxport = i; 1073 uerr = usbd_transfer_setup(sc->sc_udev, 1074 &sc->sc_iface_index, sc->sc_tty[tty].ht_xfer, 1075 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 1076 if (uerr) { 1077 device_printf(sc->sc_dev, 1078 "Failed to setup control pipe: %s\n", 1079 usbd_errstr(uerr)); 1080 return (ENXIO); 1081 } 1082 } 1083 } 1084 1085 /* Setup the intr. endpoint */ 1086 uerr = usbd_transfer_setup(sc->sc_udev, 1087 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1088 uhso_mux_config, 1, sc, &sc->sc_mtx); 1089 if (uerr) 1090 return (ENXIO); 1091 1092 return (0); 1093 } 1094 1095 /* 1096 * Interrupt callback for the multiplexed serial port. Indicates 1097 * which serial port has data waiting. 1098 */ 1099 static void 1100 uhso_mux_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1101 { 1102 struct usb_page_cache *pc; 1103 struct usb_page_search res; 1104 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1105 unsigned int i, mux; 1106 1107 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1108 1109 switch (USB_GET_STATE(xfer)) { 1110 case USB_ST_TRANSFERRED: 1111 /* 1112 * The multiplexed port number can be found at the first byte. 1113 * It contains a bit mask, we transform this in to an integer. 1114 */ 1115 pc = usbd_xfer_get_frame(xfer, 0); 1116 usbd_get_page(pc, 0, &res); 1117 1118 i = *((unsigned char *)res.buffer); 1119 mux = 0; 1120 while (i >>= 1) { 1121 mux++; 1122 } 1123 1124 UHSO_DPRINTF(3, "mux port %d (%d)\n", mux, i); 1125 if (mux > UHSO_MPORT_TYPE_NOMAX) 1126 break; 1127 1128 /* Issue a read for this serial port */ 1129 usbd_xfer_set_priv( 1130 sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ], 1131 &sc->sc_tty[mux]); 1132 usbd_transfer_start(sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ]); 1133 1134 break; 1135 case USB_ST_SETUP: 1136 tr_setup: 1137 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1138 usbd_transfer_submit(xfer); 1139 break; 1140 default: 1141 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1142 if (error == USB_ERR_CANCELLED) 1143 break; 1144 1145 usbd_xfer_set_stall(xfer); 1146 goto tr_setup; 1147 } 1148 } 1149 1150 static void 1151 uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error) 1152 { 1153 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1154 struct usb_page_cache *pc; 1155 struct usb_device_request req; 1156 struct uhso_tty *ht; 1157 int actlen, len; 1158 1159 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1160 1161 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1162 1163 ht = usbd_xfer_get_priv(xfer); 1164 UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open); 1165 1166 switch (USB_GET_STATE(xfer)) { 1167 case USB_ST_TRANSFERRED: 1168 /* Got data, send to ucom */ 1169 pc = usbd_xfer_get_frame(xfer, 1); 1170 len = usbd_xfer_frame_len(xfer, 1); 1171 1172 UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len, 1173 ht->ht_muxport); 1174 if (len <= 0) { 1175 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1176 break; 1177 } 1178 1179 /* Deliver data if the TTY is open, discard otherwise */ 1180 if (ht->ht_open) 1181 ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len); 1182 /* FALLTHROUGH */ 1183 case USB_ST_SETUP: 1184 tr_setup: 1185 memset(&req, 0, sizeof(struct usb_device_request)); 1186 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1187 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1188 USETW(req.wValue, 0); 1189 USETW(req.wIndex, ht->ht_muxport); 1190 USETW(req.wLength, 1024); 1191 1192 pc = usbd_xfer_get_frame(xfer, 0); 1193 usbd_copy_in(pc, 0, &req, sizeof(req)); 1194 1195 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1196 usbd_xfer_set_frame_len(xfer, 1, 1024); 1197 usbd_xfer_set_frames(xfer, 2); 1198 usbd_transfer_submit(xfer); 1199 break; 1200 default: 1201 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1202 if (error == USB_ERR_CANCELLED) 1203 break; 1204 usbd_xfer_set_stall(xfer); 1205 goto tr_setup; 1206 } 1207 } 1208 1209 static void 1210 uhso_mux_write_callback(struct usb_xfer *xfer, usb_error_t error) 1211 { 1212 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1213 struct uhso_tty *ht; 1214 struct usb_page_cache *pc; 1215 struct usb_device_request req; 1216 int actlen; 1217 struct usb_page_search res; 1218 1219 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1220 1221 ht = usbd_xfer_get_priv(xfer); 1222 UHSO_DPRINTF(3, "status=%d, using mux port %d\n", 1223 USB_GET_STATE(xfer), ht->ht_muxport); 1224 1225 switch (USB_GET_STATE(xfer)) { 1226 case USB_ST_TRANSFERRED: 1227 UHSO_DPRINTF(3, "wrote %zd data bytes to muxport %d\n", 1228 actlen - sizeof(struct usb_device_request) , 1229 ht->ht_muxport); 1230 /* FALLTHROUGH */ 1231 case USB_ST_SETUP: 1232 tr_setup: 1233 pc = usbd_xfer_get_frame(xfer, 1); 1234 if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 1235 0, 32, &actlen)) { 1236 usbd_get_page(pc, 0, &res); 1237 1238 memset(&req, 0, sizeof(struct usb_device_request)); 1239 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1240 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1241 USETW(req.wValue, 0); 1242 USETW(req.wIndex, ht->ht_muxport); 1243 USETW(req.wLength, actlen); 1244 1245 pc = usbd_xfer_get_frame(xfer, 0); 1246 usbd_copy_in(pc, 0, &req, sizeof(req)); 1247 1248 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1249 usbd_xfer_set_frame_len(xfer, 1, actlen); 1250 usbd_xfer_set_frames(xfer, 2); 1251 1252 UHSO_DPRINTF(3, "Prepared %d bytes for transmit " 1253 "on muxport %d\n", actlen, ht->ht_muxport); 1254 1255 usbd_transfer_submit(xfer); 1256 } 1257 break; 1258 default: 1259 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1260 if (error == USB_ERR_CANCELLED) 1261 break; 1262 usbd_xfer_set_stall(xfer); 1263 goto tr_setup; 1264 } 1265 } 1266 1267 static int 1268 uhso_attach_bulkserial(struct uhso_softc *sc, struct usb_interface *iface, 1269 int type) 1270 { 1271 usb_error_t uerr; 1272 int tty; 1273 1274 /* Try attaching RD/WR/INTR first */ 1275 uerr = usbd_transfer_setup(sc->sc_udev, 1276 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1277 uhso_bs_config, UHSO_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1278 if (uerr) { 1279 /* Try only RD/WR */ 1280 uerr = usbd_transfer_setup(sc->sc_udev, 1281 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1282 uhso_bs_config, UHSO_BULK_ENDPT_MAX - 1, sc, &sc->sc_mtx); 1283 } 1284 if (uerr) { 1285 UHSO_DPRINTF(0, "usbd_transfer_setup failed"); 1286 return (-1); 1287 } 1288 1289 tty = uhso_alloc_tty(sc); 1290 if (tty < 0) { 1291 usbd_transfer_unsetup(sc->sc_xfer, UHSO_BULK_ENDPT_MAX); 1292 return (ENOMEM); 1293 } 1294 1295 sc->sc_tty[tty].ht_muxport = -1; 1296 return (0); 1297 } 1298 1299 static void 1300 uhso_bs_read_callback(struct usb_xfer *xfer, usb_error_t error) 1301 { 1302 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1303 struct usb_page_cache *pc; 1304 int actlen; 1305 1306 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1307 1308 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1309 1310 switch (USB_GET_STATE(xfer)) { 1311 case USB_ST_TRANSFERRED: 1312 pc = usbd_xfer_get_frame(xfer, 0); 1313 ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen); 1314 /* FALLTHROUGH */ 1315 case USB_ST_SETUP: 1316 tr_setup: 1317 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1318 usbd_transfer_submit(xfer); 1319 break; 1320 default: 1321 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1322 if (error == USB_ERR_CANCELLED) 1323 break; 1324 usbd_xfer_set_stall(xfer); 1325 goto tr_setup; 1326 } 1327 } 1328 1329 static void 1330 uhso_bs_write_callback(struct usb_xfer *xfer, usb_error_t error) 1331 { 1332 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1333 struct usb_page_cache *pc; 1334 int actlen; 1335 1336 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1337 1338 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1339 1340 switch (USB_GET_STATE(xfer)) { 1341 case USB_ST_TRANSFERRED: 1342 case USB_ST_SETUP: 1343 tr_setup: 1344 pc = usbd_xfer_get_frame(xfer, 0); 1345 if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) { 1346 usbd_xfer_set_frame_len(xfer, 0, actlen); 1347 usbd_transfer_submit(xfer); 1348 } 1349 break; 1350 break; 1351 default: 1352 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1353 if (error == USB_ERR_CANCELLED) 1354 break; 1355 usbd_xfer_set_stall(xfer); 1356 goto tr_setup; 1357 } 1358 } 1359 1360 static void 1361 uhso_bs_cfg(struct uhso_softc *sc) 1362 { 1363 struct usb_device_request req; 1364 usb_error_t uerr; 1365 1366 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1367 return; 1368 1369 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1370 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 1371 USETW(req.wValue, sc->sc_line); 1372 USETW(req.wIndex, sc->sc_iface_no); 1373 USETW(req.wLength, 0); 1374 1375 uerr = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom[0], &req, NULL, 0, 1000); 1376 if (uerr != 0) { 1377 device_printf(sc->sc_dev, "failed to set ctrl line state to " 1378 "0x%02x: %s\n", sc->sc_line, usbd_errstr(uerr)); 1379 } 1380 } 1381 1382 static void 1383 uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1384 { 1385 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1386 struct usb_page_cache *pc; 1387 int actlen; 1388 struct usb_cdc_notification cdc; 1389 1390 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1391 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1392 1393 switch (USB_GET_STATE(xfer)) { 1394 case USB_ST_TRANSFERRED: 1395 if (actlen < UCDC_NOTIFICATION_LENGTH) { 1396 UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen); 1397 goto tr_setup; 1398 } 1399 else if (actlen > (int)sizeof(struct usb_cdc_notification)) { 1400 UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen); 1401 actlen = sizeof(struct usb_cdc_notification); 1402 } 1403 1404 pc = usbd_xfer_get_frame(xfer, 0); 1405 usbd_copy_out(pc, 0, &cdc, actlen); 1406 1407 if (UGETW(cdc.wIndex) != sc->sc_iface_no) { 1408 UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n", 1409 UGETW(cdc.wIndex), sc->sc_iface_no); 1410 goto tr_setup; 1411 } 1412 1413 if (cdc.bmRequestType == UCDC_NOTIFICATION && 1414 cdc.bNotification == UCDC_N_SERIAL_STATE) { 1415 UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]); 1416 1417 sc->sc_msr = 0; 1418 sc->sc_lsr = 0; 1419 if (cdc.data[0] & UCDC_N_SERIAL_RI) 1420 sc->sc_msr |= SER_RI; 1421 if (cdc.data[0] & UCDC_N_SERIAL_DSR) 1422 sc->sc_msr |= SER_DSR; 1423 if (cdc.data[0] & UCDC_N_SERIAL_DCD) 1424 sc->sc_msr |= SER_DCD; 1425 1426 ucom_status_change(&sc->sc_ucom[0]); 1427 } 1428 case USB_ST_SETUP: 1429 tr_setup: 1430 default: 1431 if (error == USB_ERR_CANCELLED) 1432 break; 1433 usbd_xfer_set_stall(xfer); 1434 goto tr_setup; 1435 } 1436 } 1437 1438 static void 1439 uhso_ucom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 1440 { 1441 struct uhso_softc *sc = ucom->sc_parent; 1442 1443 *lsr = sc->sc_lsr; 1444 *msr = sc->sc_msr; 1445 } 1446 1447 static void 1448 uhso_ucom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 1449 { 1450 struct uhso_softc *sc = ucom->sc_parent; 1451 1452 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1453 return; 1454 1455 if (onoff) 1456 sc->sc_line |= UCDC_LINE_DTR; 1457 else 1458 sc->sc_line &= ~UCDC_LINE_DTR; 1459 1460 uhso_bs_cfg(sc); 1461 } 1462 1463 static void 1464 uhso_ucom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 1465 { 1466 struct uhso_softc *sc = ucom->sc_parent; 1467 1468 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1469 return; 1470 1471 if (onoff) 1472 sc->sc_line |= UCDC_LINE_RTS; 1473 else 1474 sc->sc_line &= ~UCDC_LINE_RTS; 1475 1476 uhso_bs_cfg(sc); 1477 } 1478 1479 static void 1480 uhso_ucom_start_read(struct ucom_softc *ucom) 1481 { 1482 struct uhso_softc *sc = ucom->sc_parent; 1483 1484 UHSO_DPRINTF(3, "unit=%d, subunit=%d\n", 1485 ucom->sc_super->sc_unit, ucom->sc_subunit); 1486 1487 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1488 sc->sc_tty[ucom->sc_subunit].ht_open = 1; 1489 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1490 } 1491 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1492 sc->sc_tty[0].ht_open = 1; 1493 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1494 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1495 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1496 } 1497 } 1498 1499 static void 1500 uhso_ucom_stop_read(struct ucom_softc *ucom) 1501 { 1502 1503 struct uhso_softc *sc = ucom->sc_parent; 1504 1505 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1506 sc->sc_tty[ucom->sc_subunit].ht_open = 0; 1507 usbd_transfer_stop( 1508 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_READ]); 1509 } 1510 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1511 sc->sc_tty[0].ht_open = 0; 1512 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1513 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1514 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1515 } 1516 } 1517 1518 static void 1519 uhso_ucom_start_write(struct ucom_softc *ucom) 1520 { 1521 struct uhso_softc *sc = ucom->sc_parent; 1522 1523 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1524 UHSO_DPRINTF(3, "local unit %d\n", ucom->sc_subunit); 1525 1526 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1527 1528 usbd_xfer_set_priv( 1529 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE], 1530 &sc->sc_tty[ucom->sc_subunit]); 1531 usbd_transfer_start( 1532 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1533 } 1534 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1535 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1536 } 1537 } 1538 1539 static void 1540 uhso_ucom_stop_write(struct ucom_softc *ucom) 1541 { 1542 struct uhso_softc *sc = ucom->sc_parent; 1543 1544 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1545 usbd_transfer_stop( 1546 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1547 } 1548 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1549 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1550 } 1551 } 1552 1553 static int 1554 uhso_attach_ifnet(struct uhso_softc *sc, struct usb_interface *iface, int type) 1555 { 1556 struct ifnet *ifp; 1557 usb_error_t uerr; 1558 struct sysctl_ctx_list *sctx; 1559 struct sysctl_oid *soid; 1560 unsigned int devunit; 1561 1562 uerr = usbd_transfer_setup(sc->sc_udev, 1563 &iface->idesc->bInterfaceNumber, sc->sc_if_xfer, 1564 uhso_ifnet_config, UHSO_IFNET_MAX, sc, &sc->sc_mtx); 1565 if (uerr) { 1566 UHSO_DPRINTF(0, "usbd_transfer_setup failed: %s\n", 1567 usbd_errstr(uerr)); 1568 return (-1); 1569 } 1570 1571 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 1572 if (sc->sc_ifp == NULL) { 1573 device_printf(sc->sc_dev, "if_alloc() failed\n"); 1574 return (-1); 1575 } 1576 1577 callout_init_mtx(&sc->sc_c, &sc->sc_mtx, 0); 1578 mtx_lock(&sc->sc_mtx); 1579 callout_reset(&sc->sc_c, 1, uhso_if_rxflush, sc); 1580 mtx_unlock(&sc->sc_mtx); 1581 1582 /* 1583 * We create our own unit numbers for ifnet devices because the 1584 * USB interface unit numbers can be at arbitrary positions yielding 1585 * odd looking device names. 1586 */ 1587 devunit = alloc_unr(uhso_ifnet_unit); 1588 1589 if_initname(ifp, device_get_name(sc->sc_dev), devunit); 1590 ifp->if_mtu = UHSO_MAX_MTU; 1591 ifp->if_ioctl = uhso_if_ioctl; 1592 ifp->if_init = uhso_if_init; 1593 ifp->if_start = uhso_if_start; 1594 ifp->if_output = uhso_if_output; 1595 ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_NOARP; 1596 ifp->if_softc = sc; 1597 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 1598 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 1599 IFQ_SET_READY(&ifp->if_snd); 1600 1601 if_attach(ifp); 1602 bpfattach(ifp, DLT_RAW, 0); 1603 1604 sctx = device_get_sysctl_ctx(sc->sc_dev); 1605 soid = device_get_sysctl_tree(sc->sc_dev); 1606 /* Unlocked read... */ 1607 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "netif", 1608 CTLFLAG_RD, ifp->if_xname, 0, "Attached network interface"); 1609 1610 return (0); 1611 } 1612 1613 static void 1614 uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error) 1615 { 1616 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1617 struct mbuf *m; 1618 struct usb_page_cache *pc; 1619 int actlen; 1620 1621 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1622 1623 UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1624 1625 switch (USB_GET_STATE(xfer)) { 1626 case USB_ST_TRANSFERRED: 1627 if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1628 pc = usbd_xfer_get_frame(xfer, 0); 1629 if (mbufq_full(&sc->sc_rxq)) 1630 break; 1631 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1632 usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen); 1633 m->m_pkthdr.len = m->m_len = actlen; 1634 /* Enqueue frame for further processing */ 1635 mbufq_enqueue(&sc->sc_rxq, m); 1636 if (!callout_pending(&sc->sc_c) || 1637 !callout_active(&sc->sc_c)) { 1638 callout_schedule(&sc->sc_c, 1); 1639 } 1640 } 1641 /* FALLTHROUGH */ 1642 case USB_ST_SETUP: 1643 tr_setup: 1644 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1645 usbd_transfer_submit(xfer); 1646 break; 1647 default: 1648 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1649 if (error == USB_ERR_CANCELLED) 1650 break; 1651 usbd_xfer_set_stall(xfer); 1652 goto tr_setup; 1653 } 1654 } 1655 1656 /* 1657 * Deferred RX processing, called with mutex locked. 1658 * 1659 * Each frame we receive might contain several small ip-packets as well 1660 * as partial ip-packets. We need to separate/assemble them into individual 1661 * packets before sending them to the ip-layer. 1662 */ 1663 static void 1664 uhso_if_rxflush(void *arg) 1665 { 1666 struct epoch_tracker et; 1667 struct uhso_softc *sc = arg; 1668 struct ifnet *ifp = sc->sc_ifp; 1669 uint8_t *cp; 1670 struct mbuf *m, *m0, *mwait; 1671 struct ip *ip; 1672 #ifdef INET6 1673 struct ip6_hdr *ip6; 1674 #endif 1675 uint16_t iplen; 1676 int isr; 1677 1678 m = NULL; 1679 mwait = sc->sc_mwait; 1680 NET_EPOCH_ENTER(et); 1681 for (;;) { 1682 if (m == NULL) { 1683 if ((m = mbufq_dequeue(&sc->sc_rxq)) == NULL) 1684 break; 1685 UHSO_DPRINTF(3, "dequeue m=%p, len=%d\n", m, m->m_len); 1686 } 1687 mtx_unlock(&sc->sc_mtx); 1688 1689 /* Do we have a partial packet waiting? */ 1690 if (mwait != NULL) { 1691 m0 = mwait; 1692 mwait = NULL; 1693 1694 UHSO_DPRINTF(3, "partial m0=%p(%d), concat w/ m=%p(%d)\n", 1695 m0, m0->m_len, m, m->m_len); 1696 1697 m_catpkt(m0, m); 1698 m = m_pullup(m0, sizeof(struct ip)); 1699 if (m == NULL) { 1700 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1701 UHSO_DPRINTF(0, "m_pullup failed\n"); 1702 mtx_lock(&sc->sc_mtx); 1703 continue; 1704 } 1705 UHSO_DPRINTF(3, "Constructed mbuf=%p, len=%d\n", 1706 m, m->m_pkthdr.len); 1707 } 1708 1709 cp = mtod(m, uint8_t *); 1710 ip = (struct ip *)cp; 1711 #ifdef INET6 1712 ip6 = (struct ip6_hdr *)cp; 1713 #endif 1714 1715 /* Check for IPv4 */ 1716 if (ip->ip_v == IPVERSION) { 1717 iplen = htons(ip->ip_len); 1718 isr = NETISR_IP; 1719 } 1720 #ifdef INET6 1721 /* Check for IPv6 */ 1722 else if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION) { 1723 iplen = htons(ip6->ip6_plen); 1724 isr = NETISR_IPV6; 1725 } 1726 #endif 1727 else { 1728 UHSO_DPRINTF(0, "got unexpected ip version %d, " 1729 "m=%p, len=%d\n", (*cp & 0xf0) >> 4, m, m->m_len); 1730 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1731 UHSO_HEXDUMP(cp, 4); 1732 m_freem(m); 1733 m = NULL; 1734 mtx_lock(&sc->sc_mtx); 1735 continue; 1736 } 1737 1738 if (iplen == 0) { 1739 UHSO_DPRINTF(0, "Zero IP length\n"); 1740 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1741 m_freem(m); 1742 m = NULL; 1743 mtx_lock(&sc->sc_mtx); 1744 continue; 1745 } 1746 1747 UHSO_DPRINTF(3, "m=%p, len=%d, cp=%p, iplen=%d\n", 1748 m, m->m_pkthdr.len, cp, iplen); 1749 1750 m0 = NULL; 1751 1752 /* More IP packets in this mbuf */ 1753 if (iplen < m->m_pkthdr.len) { 1754 m0 = m; 1755 1756 /* 1757 * Allocate a new mbuf for this IP packet and 1758 * copy the IP-packet into it. 1759 */ 1760 m = m_getcl(M_WAITOK, MT_DATA, M_PKTHDR); 1761 memcpy(mtod(m, uint8_t *), mtod(m0, uint8_t *), iplen); 1762 m->m_pkthdr.len = m->m_len = iplen; 1763 1764 /* Adjust the size of the original mbuf */ 1765 m_adj(m0, iplen); 1766 m0 = m_defrag(m0, M_WAITOK); 1767 1768 UHSO_DPRINTF(3, "New mbuf=%p, len=%d/%d, m0=%p, " 1769 "m0_len=%d/%d\n", m, m->m_pkthdr.len, m->m_len, 1770 m0, m0->m_pkthdr.len, m0->m_len); 1771 } 1772 else if (iplen > m->m_pkthdr.len) { 1773 UHSO_DPRINTF(3, "Deferred mbuf=%p, len=%d\n", 1774 m, m->m_pkthdr.len); 1775 mwait = m; 1776 m = NULL; 1777 mtx_lock(&sc->sc_mtx); 1778 continue; 1779 } 1780 1781 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 1782 m->m_pkthdr.rcvif = ifp; 1783 1784 /* Dispatch to IP layer */ 1785 BPF_MTAP(sc->sc_ifp, m); 1786 M_SETFIB(m, ifp->if_fib); 1787 netisr_dispatch(isr, m); 1788 m = m0 != NULL ? m0 : NULL; 1789 mtx_lock(&sc->sc_mtx); 1790 } 1791 NET_EPOCH_EXIT(et); 1792 sc->sc_mwait = mwait; 1793 } 1794 1795 static void 1796 uhso_ifnet_write_callback(struct usb_xfer *xfer, usb_error_t error) 1797 { 1798 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1799 struct ifnet *ifp = sc->sc_ifp; 1800 struct usb_page_cache *pc; 1801 struct mbuf *m; 1802 int actlen; 1803 1804 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1805 1806 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1807 1808 switch (USB_GET_STATE(xfer)) { 1809 case USB_ST_TRANSFERRED: 1810 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1811 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1812 case USB_ST_SETUP: 1813 tr_setup: 1814 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1815 if (m == NULL) 1816 break; 1817 1818 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1819 1820 if (m->m_pkthdr.len > MCLBYTES) 1821 m->m_pkthdr.len = MCLBYTES; 1822 1823 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 1824 pc = usbd_xfer_get_frame(xfer, 0); 1825 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 1826 usbd_transfer_submit(xfer); 1827 1828 BPF_MTAP(ifp, m); 1829 m_freem(m); 1830 break; 1831 default: 1832 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1833 if (error == USB_ERR_CANCELLED) 1834 break; 1835 usbd_xfer_set_stall(xfer); 1836 goto tr_setup; 1837 } 1838 } 1839 1840 static int 1841 uhso_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1842 { 1843 struct uhso_softc *sc; 1844 1845 sc = ifp->if_softc; 1846 1847 switch (cmd) { 1848 case SIOCSIFFLAGS: 1849 if (ifp->if_flags & IFF_UP) { 1850 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1851 uhso_if_init(sc); 1852 } 1853 } 1854 else { 1855 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1856 mtx_lock(&sc->sc_mtx); 1857 uhso_if_stop(sc); 1858 mtx_unlock(&sc->sc_mtx); 1859 } 1860 } 1861 break; 1862 case SIOCSIFADDR: 1863 case SIOCADDMULTI: 1864 case SIOCDELMULTI: 1865 break; 1866 default: 1867 return (EINVAL); 1868 } 1869 return (0); 1870 } 1871 1872 static void 1873 uhso_if_init(void *priv) 1874 { 1875 struct uhso_softc *sc = priv; 1876 struct ifnet *ifp = sc->sc_ifp; 1877 1878 mtx_lock(&sc->sc_mtx); 1879 uhso_if_stop(sc); 1880 ifp = sc->sc_ifp; 1881 ifp->if_flags |= IFF_UP; 1882 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1883 mtx_unlock(&sc->sc_mtx); 1884 1885 UHSO_DPRINTF(2, "ifnet initialized\n"); 1886 } 1887 1888 static int 1889 uhso_if_output(struct ifnet *ifp, struct mbuf *m0, const struct sockaddr *dst, 1890 struct route *ro) 1891 { 1892 int error; 1893 1894 /* Only IPv4/6 support */ 1895 if (dst->sa_family != AF_INET 1896 #ifdef INET6 1897 && dst->sa_family != AF_INET6 1898 #endif 1899 ) { 1900 return (EAFNOSUPPORT); 1901 } 1902 1903 error = (ifp->if_transmit)(ifp, m0); 1904 if (error) { 1905 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1906 return (ENOBUFS); 1907 } 1908 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1909 return (0); 1910 } 1911 1912 static void 1913 uhso_if_start(struct ifnet *ifp) 1914 { 1915 struct uhso_softc *sc = ifp->if_softc; 1916 1917 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1918 UHSO_DPRINTF(1, "Not running\n"); 1919 return; 1920 } 1921 1922 mtx_lock(&sc->sc_mtx); 1923 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); 1924 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1925 mtx_unlock(&sc->sc_mtx); 1926 UHSO_DPRINTF(3, "interface started\n"); 1927 } 1928 1929 static void 1930 uhso_if_stop(struct uhso_softc *sc) 1931 { 1932 1933 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); 1934 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1935 sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1936 } 1937