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