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_RWTUN, 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_RWTUN, 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 USB_PNP_HOST_INFO(uhso_devs); 501 502 static struct ucom_callback uhso_ucom_callback = { 503 .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, 504 .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, 505 .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, 506 .ucom_start_read = uhso_ucom_start_read, 507 .ucom_stop_read = uhso_ucom_stop_read, 508 .ucom_start_write = uhso_ucom_start_write, 509 .ucom_stop_write = uhso_ucom_stop_write, 510 .ucom_free = &uhso_free, 511 }; 512 513 static int 514 uhso_probe(device_t self) 515 { 516 struct usb_attach_arg *uaa = device_get_ivars(self); 517 int error; 518 519 if (uaa->usb_mode != USB_MODE_HOST) 520 return (ENXIO); 521 if (uaa->info.bConfigIndex != 0) 522 return (ENXIO); 523 if (uaa->info.bDeviceClass != 0xff) 524 return (ENXIO); 525 526 error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); 527 if (error != 0) 528 return (error); 529 530 /* 531 * Probe device to see if we are able to attach 532 * to this interface or not. 533 */ 534 if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { 535 if (uhso_probe_iface_auto(uaa->device, 536 uaa->info.bIfaceNum) == 0) 537 return (ENXIO); 538 } 539 return (error); 540 } 541 542 static int 543 uhso_attach(device_t self) 544 { 545 struct uhso_softc *sc = device_get_softc(self); 546 struct usb_attach_arg *uaa = device_get_ivars(self); 547 struct usb_interface_descriptor *id; 548 struct sysctl_ctx_list *sctx; 549 struct sysctl_oid *soid; 550 struct sysctl_oid *tree = NULL, *tty_node; 551 struct ucom_softc *ucom; 552 struct uhso_tty *ht; 553 int i, error, port; 554 void *probe_f; 555 usb_error_t uerr; 556 char *desc; 557 558 sc->sc_dev = self; 559 sc->sc_udev = uaa->device; 560 mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); 561 ucom_ref(&sc->sc_super_ucom); 562 563 sc->sc_radio = 1; 564 565 id = usbd_get_interface_descriptor(uaa->iface); 566 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 567 568 sc->sc_iface_no = uaa->info.bIfaceNum; 569 sc->sc_iface_index = uaa->info.bIfaceIndex; 570 571 /* Setup control pipe */ 572 uerr = usbd_transfer_setup(uaa->device, 573 &sc->sc_iface_index, sc->sc_ctrl_xfer, 574 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 575 if (uerr) { 576 device_printf(self, "Failed to setup control pipe: %s\n", 577 usbd_errstr(uerr)); 578 goto out; 579 } 580 581 if (USB_GET_DRIVER_INFO(uaa) == UHSO_STATIC_IFACE) 582 probe_f = uhso_probe_iface_static; 583 else if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) 584 probe_f = uhso_probe_iface_auto; 585 else 586 goto out; 587 588 error = uhso_probe_iface(sc, uaa->info.bIfaceNum, probe_f); 589 if (error != 0) 590 goto out; 591 592 sctx = device_get_sysctl_ctx(sc->sc_dev); 593 soid = device_get_sysctl_tree(sc->sc_dev); 594 595 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "type", 596 CTLFLAG_RD, uhso_port[UHSO_IFACE_PORT(sc->sc_type)], 0, 597 "Port available at this interface"); 598 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "radio", 599 CTLTYPE_INT | CTLFLAG_RWTUN, sc, 0, uhso_radio_sysctl, "I", "Enable radio"); 600 601 /* 602 * The default interface description on most Option devices isn't 603 * very helpful. So we skip device_set_usb_desc and set the 604 * device description manually. 605 */ 606 device_set_desc_copy(self, uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)]); 607 /* Announce device */ 608 device_printf(self, "<%s port> at <%s %s> on %s\n", 609 uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)], 610 usb_get_manufacturer(uaa->device), 611 usb_get_product(uaa->device), 612 device_get_nameunit(device_get_parent(self))); 613 614 if (sc->sc_ttys > 0) { 615 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports", 616 CTLFLAG_RD, &sc->sc_ttys, 0, "Number of attached serial ports"); 617 618 tree = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 619 "port", CTLFLAG_RD, NULL, "Serial ports"); 620 } 621 622 /* 623 * Loop through the number of found TTYs and create sysctl 624 * nodes for them. 625 */ 626 for (i = 0; i < sc->sc_ttys; i++) { 627 ht = &sc->sc_tty[i]; 628 ucom = &sc->sc_ucom[i]; 629 630 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) 631 port = uhso_mux_port_map[ht->ht_muxport]; 632 else 633 port = UHSO_IFACE_PORT_TYPE(sc->sc_type); 634 635 desc = uhso_port_type_sysctl[port]; 636 637 tty_node = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(tree), OID_AUTO, 638 desc, CTLFLAG_RD, NULL, ""); 639 640 ht->ht_name[0] = 0; 641 if (sc->sc_ttys == 1) 642 snprintf(ht->ht_name, 32, "cuaU%d", ucom->sc_super->sc_unit); 643 else { 644 snprintf(ht->ht_name, 32, "cuaU%d.%d", 645 ucom->sc_super->sc_unit, ucom->sc_subunit); 646 } 647 648 desc = uhso_port_type[port]; 649 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 650 "tty", CTLFLAG_RD, ht->ht_name, 0, ""); 651 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 652 "desc", CTLFLAG_RD, desc, 0, ""); 653 654 if (bootverbose) 655 device_printf(sc->sc_dev, 656 "\"%s\" port at %s\n", desc, ht->ht_name); 657 } 658 659 return (0); 660 out: 661 uhso_detach(sc->sc_dev); 662 return (ENXIO); 663 } 664 665 static int 666 uhso_detach(device_t self) 667 { 668 struct uhso_softc *sc = device_get_softc(self); 669 int i; 670 671 usbd_transfer_unsetup(sc->sc_xfer, 3); 672 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); 673 if (sc->sc_ttys > 0) { 674 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 675 676 for (i = 0; i < sc->sc_ttys; i++) { 677 if (sc->sc_tty[i].ht_muxport != -1) { 678 usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, 679 UHSO_CTRL_MAX); 680 } 681 } 682 } 683 684 if (sc->sc_ifp != NULL) { 685 callout_drain(&sc->sc_c); 686 free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); 687 mtx_lock(&sc->sc_mtx); 688 uhso_if_stop(sc); 689 bpfdetach(sc->sc_ifp); 690 if_detach(sc->sc_ifp); 691 if_free(sc->sc_ifp); 692 mtx_unlock(&sc->sc_mtx); 693 usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); 694 } 695 696 device_claim_softc(self); 697 698 uhso_free_softc(sc); 699 700 return (0); 701 } 702 703 UCOM_UNLOAD_DRAIN(uhso); 704 705 static void 706 uhso_free_softc(struct uhso_softc *sc) 707 { 708 if (ucom_unref(&sc->sc_super_ucom)) { 709 free(sc->sc_tty, M_USBDEV); 710 free(sc->sc_ucom, M_USBDEV); 711 mtx_destroy(&sc->sc_mtx); 712 device_free_softc(sc); 713 } 714 } 715 716 static void 717 uhso_free(struct ucom_softc *ucom) 718 { 719 uhso_free_softc(ucom->sc_parent); 720 } 721 722 static void 723 uhso_test_autoinst(void *arg, struct usb_device *udev, 724 struct usb_attach_arg *uaa) 725 { 726 struct usb_interface *iface; 727 struct usb_interface_descriptor *id; 728 729 if (uaa->dev_state != UAA_DEV_READY || !uhso_autoswitch) 730 return; 731 732 iface = usbd_get_iface(udev, 0); 733 if (iface == NULL) 734 return; 735 id = iface->idesc; 736 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 737 return; 738 if (usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa)) 739 return; /* no device match */ 740 741 if (usb_msc_eject(udev, 0, MSC_EJECT_REZERO) == 0) { 742 /* success, mark the udev as disappearing */ 743 uaa->dev_state = UAA_DEV_EJECTING; 744 } 745 } 746 747 static int 748 uhso_driver_loaded(struct module *mod, int what, void *arg) 749 { 750 switch (what) { 751 case MOD_LOAD: 752 /* register our autoinstall handler */ 753 uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 754 uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); 755 /* create our unit allocator for inet devs */ 756 uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL); 757 break; 758 case MOD_UNLOAD: 759 EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag); 760 delete_unrhdr(uhso_ifnet_unit); 761 break; 762 default: 763 return (EOPNOTSUPP); 764 } 765 return (0); 766 } 767 768 /* 769 * Probe the interface type by querying the device. The elements 770 * of an array indicates the capabilities of a particular interface. 771 * Returns a bit mask with the interface capabilities. 772 */ 773 static int 774 uhso_probe_iface_auto(struct usb_device *udev, int index) 775 { 776 struct usb_device_request req; 777 usb_error_t uerr; 778 uint16_t actlen = 0; 779 char port; 780 char buf[17] = {0}; 781 782 req.bmRequestType = UT_READ_VENDOR_DEVICE; 783 req.bRequest = 0x86; 784 USETW(req.wValue, 0); 785 USETW(req.wIndex, 0); 786 USETW(req.wLength, 17); 787 788 uerr = usbd_do_request_flags(udev, NULL, &req, buf, 789 0, &actlen, USB_MS_HZ); 790 if (uerr != 0) { 791 printf("%s: usbd_do_request_flags failed, %s\n", 792 __func__, usbd_errstr(uerr)); 793 return (0); 794 } 795 796 UHSO_DPRINTF(1, "actlen=%d\n", actlen); 797 UHSO_HEXDUMP(buf, 17); 798 799 if (index < 0 || index > 16) { 800 UHSO_DPRINTF(0, "Index %d out of range\n", index); 801 return (0); 802 } 803 804 UHSO_DPRINTF(1, "index=%d, type=%x[%s]\n", index, buf[index], 805 uhso_port_type[(int)uhso_port_map[(int)buf[index]]]); 806 807 if (buf[index] >= uhso_port_map_max) 808 port = 0; 809 else 810 port = uhso_port_map[(int)buf[index]]; 811 812 switch (port) { 813 case UHSO_PORT_TYPE_NETWORK: 814 return (UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 815 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, port)); 816 case UHSO_PORT_TYPE_DIAG: 817 case UHSO_PORT_TYPE_DIAG2: 818 case UHSO_PORT_TYPE_GPS: 819 case UHSO_PORT_TYPE_GPSCTL: 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 tr_setup: 1229 pc = usbd_xfer_get_frame(xfer, 1); 1230 if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 1231 0, 32, &actlen)) { 1232 1233 usbd_get_page(pc, 0, &res); 1234 1235 memset(&req, 0, sizeof(struct usb_device_request)); 1236 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1237 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1238 USETW(req.wValue, 0); 1239 USETW(req.wIndex, ht->ht_muxport); 1240 USETW(req.wLength, actlen); 1241 1242 pc = usbd_xfer_get_frame(xfer, 0); 1243 usbd_copy_in(pc, 0, &req, sizeof(req)); 1244 1245 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1246 usbd_xfer_set_frame_len(xfer, 1, actlen); 1247 usbd_xfer_set_frames(xfer, 2); 1248 1249 UHSO_DPRINTF(3, "Prepared %d bytes for transmit " 1250 "on muxport %d\n", actlen, ht->ht_muxport); 1251 1252 usbd_transfer_submit(xfer); 1253 } 1254 break; 1255 default: 1256 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1257 if (error == USB_ERR_CANCELLED) 1258 break; 1259 usbd_xfer_set_stall(xfer); 1260 goto tr_setup; 1261 } 1262 } 1263 1264 static int 1265 uhso_attach_bulkserial(struct uhso_softc *sc, struct usb_interface *iface, 1266 int type) 1267 { 1268 usb_error_t uerr; 1269 int tty; 1270 1271 /* Try attaching RD/WR/INTR first */ 1272 uerr = usbd_transfer_setup(sc->sc_udev, 1273 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1274 uhso_bs_config, UHSO_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1275 if (uerr) { 1276 /* Try only RD/WR */ 1277 uerr = usbd_transfer_setup(sc->sc_udev, 1278 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1279 uhso_bs_config, UHSO_BULK_ENDPT_MAX - 1, sc, &sc->sc_mtx); 1280 } 1281 if (uerr) { 1282 UHSO_DPRINTF(0, "usbd_transfer_setup failed"); 1283 return (-1); 1284 } 1285 1286 tty = uhso_alloc_tty(sc); 1287 if (tty < 0) { 1288 usbd_transfer_unsetup(sc->sc_xfer, UHSO_BULK_ENDPT_MAX); 1289 return (ENOMEM); 1290 } 1291 1292 sc->sc_tty[tty].ht_muxport = -1; 1293 return (0); 1294 } 1295 1296 static void 1297 uhso_bs_read_callback(struct usb_xfer *xfer, usb_error_t error) 1298 { 1299 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1300 struct usb_page_cache *pc; 1301 int actlen; 1302 1303 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1304 1305 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1306 1307 switch (USB_GET_STATE(xfer)) { 1308 case USB_ST_TRANSFERRED: 1309 pc = usbd_xfer_get_frame(xfer, 0); 1310 ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen); 1311 /* FALLTHROUGH */ 1312 case USB_ST_SETUP: 1313 tr_setup: 1314 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1315 usbd_transfer_submit(xfer); 1316 break; 1317 default: 1318 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1319 if (error == USB_ERR_CANCELLED) 1320 break; 1321 usbd_xfer_set_stall(xfer); 1322 goto tr_setup; 1323 } 1324 } 1325 1326 static void 1327 uhso_bs_write_callback(struct usb_xfer *xfer, usb_error_t error) 1328 { 1329 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1330 struct usb_page_cache *pc; 1331 int actlen; 1332 1333 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1334 1335 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1336 1337 switch (USB_GET_STATE(xfer)) { 1338 case USB_ST_TRANSFERRED: 1339 case USB_ST_SETUP: 1340 tr_setup: 1341 pc = usbd_xfer_get_frame(xfer, 0); 1342 if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) { 1343 usbd_xfer_set_frame_len(xfer, 0, actlen); 1344 usbd_transfer_submit(xfer); 1345 } 1346 break; 1347 break; 1348 default: 1349 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1350 if (error == USB_ERR_CANCELLED) 1351 break; 1352 usbd_xfer_set_stall(xfer); 1353 goto tr_setup; 1354 } 1355 } 1356 1357 static void 1358 uhso_bs_cfg(struct uhso_softc *sc) 1359 { 1360 struct usb_device_request req; 1361 usb_error_t uerr; 1362 1363 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1364 return; 1365 1366 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1367 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 1368 USETW(req.wValue, sc->sc_line); 1369 USETW(req.wIndex, sc->sc_iface_no); 1370 USETW(req.wLength, 0); 1371 1372 uerr = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom[0], &req, NULL, 0, 1000); 1373 if (uerr != 0) { 1374 device_printf(sc->sc_dev, "failed to set ctrl line state to " 1375 "0x%02x: %s\n", sc->sc_line, usbd_errstr(uerr)); 1376 } 1377 } 1378 1379 static void 1380 uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1381 { 1382 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1383 struct usb_page_cache *pc; 1384 int actlen; 1385 struct usb_cdc_notification cdc; 1386 1387 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1388 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1389 1390 switch (USB_GET_STATE(xfer)) { 1391 case USB_ST_TRANSFERRED: 1392 if (actlen < UCDC_NOTIFICATION_LENGTH) { 1393 UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen); 1394 goto tr_setup; 1395 } 1396 else if (actlen > (int)sizeof(struct usb_cdc_notification)) { 1397 UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen); 1398 actlen = sizeof(struct usb_cdc_notification); 1399 } 1400 1401 pc = usbd_xfer_get_frame(xfer, 0); 1402 usbd_copy_out(pc, 0, &cdc, actlen); 1403 1404 if (UGETW(cdc.wIndex) != sc->sc_iface_no) { 1405 UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n", 1406 UGETW(cdc.wIndex), sc->sc_iface_no); 1407 goto tr_setup; 1408 } 1409 1410 if (cdc.bmRequestType == UCDC_NOTIFICATION && 1411 cdc.bNotification == UCDC_N_SERIAL_STATE) { 1412 UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]); 1413 1414 sc->sc_msr = 0; 1415 sc->sc_lsr = 0; 1416 if (cdc.data[0] & UCDC_N_SERIAL_RI) 1417 sc->sc_msr |= SER_RI; 1418 if (cdc.data[0] & UCDC_N_SERIAL_DSR) 1419 sc->sc_msr |= SER_DSR; 1420 if (cdc.data[0] & UCDC_N_SERIAL_DCD) 1421 sc->sc_msr |= SER_DCD; 1422 1423 ucom_status_change(&sc->sc_ucom[0]); 1424 } 1425 case USB_ST_SETUP: 1426 tr_setup: 1427 default: 1428 if (error == USB_ERR_CANCELLED) 1429 break; 1430 usbd_xfer_set_stall(xfer); 1431 goto tr_setup; 1432 } 1433 } 1434 1435 static void 1436 uhso_ucom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 1437 { 1438 struct uhso_softc *sc = ucom->sc_parent; 1439 1440 *lsr = sc->sc_lsr; 1441 *msr = sc->sc_msr; 1442 } 1443 1444 static void 1445 uhso_ucom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 1446 { 1447 struct uhso_softc *sc = ucom->sc_parent; 1448 1449 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1450 return; 1451 1452 if (onoff) 1453 sc->sc_line |= UCDC_LINE_DTR; 1454 else 1455 sc->sc_line &= ~UCDC_LINE_DTR; 1456 1457 uhso_bs_cfg(sc); 1458 } 1459 1460 static void 1461 uhso_ucom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 1462 { 1463 struct uhso_softc *sc = ucom->sc_parent; 1464 1465 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1466 return; 1467 1468 if (onoff) 1469 sc->sc_line |= UCDC_LINE_RTS; 1470 else 1471 sc->sc_line &= ~UCDC_LINE_RTS; 1472 1473 uhso_bs_cfg(sc); 1474 } 1475 1476 static void 1477 uhso_ucom_start_read(struct ucom_softc *ucom) 1478 { 1479 struct uhso_softc *sc = ucom->sc_parent; 1480 1481 UHSO_DPRINTF(3, "unit=%d, subunit=%d\n", 1482 ucom->sc_super->sc_unit, ucom->sc_subunit); 1483 1484 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1485 sc->sc_tty[ucom->sc_subunit].ht_open = 1; 1486 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1487 } 1488 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1489 sc->sc_tty[0].ht_open = 1; 1490 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1491 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1492 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1493 } 1494 } 1495 1496 static void 1497 uhso_ucom_stop_read(struct ucom_softc *ucom) 1498 { 1499 1500 struct uhso_softc *sc = ucom->sc_parent; 1501 1502 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1503 sc->sc_tty[ucom->sc_subunit].ht_open = 0; 1504 usbd_transfer_stop( 1505 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_READ]); 1506 } 1507 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1508 sc->sc_tty[0].ht_open = 0; 1509 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1510 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1511 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1512 } 1513 } 1514 1515 static void 1516 uhso_ucom_start_write(struct ucom_softc *ucom) 1517 { 1518 struct uhso_softc *sc = ucom->sc_parent; 1519 1520 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1521 UHSO_DPRINTF(3, "local unit %d\n", ucom->sc_subunit); 1522 1523 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1524 1525 usbd_xfer_set_priv( 1526 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE], 1527 &sc->sc_tty[ucom->sc_subunit]); 1528 usbd_transfer_start( 1529 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1530 1531 } 1532 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1533 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1534 } 1535 } 1536 1537 static void 1538 uhso_ucom_stop_write(struct ucom_softc *ucom) 1539 { 1540 struct uhso_softc *sc = ucom->sc_parent; 1541 1542 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1543 usbd_transfer_stop( 1544 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1545 } 1546 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1547 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1548 } 1549 } 1550 1551 static int 1552 uhso_attach_ifnet(struct uhso_softc *sc, struct usb_interface *iface, int type) 1553 { 1554 struct ifnet *ifp; 1555 usb_error_t uerr; 1556 struct sysctl_ctx_list *sctx; 1557 struct sysctl_oid *soid; 1558 unsigned int devunit; 1559 1560 uerr = usbd_transfer_setup(sc->sc_udev, 1561 &iface->idesc->bInterfaceNumber, sc->sc_if_xfer, 1562 uhso_ifnet_config, UHSO_IFNET_MAX, sc, &sc->sc_mtx); 1563 if (uerr) { 1564 UHSO_DPRINTF(0, "usbd_transfer_setup failed: %s\n", 1565 usbd_errstr(uerr)); 1566 return (-1); 1567 } 1568 1569 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 1570 if (sc->sc_ifp == NULL) { 1571 device_printf(sc->sc_dev, "if_alloc() failed\n"); 1572 return (-1); 1573 } 1574 1575 callout_init_mtx(&sc->sc_c, &sc->sc_mtx, 0); 1576 mtx_lock(&sc->sc_mtx); 1577 callout_reset(&sc->sc_c, 1, uhso_if_rxflush, sc); 1578 mtx_unlock(&sc->sc_mtx); 1579 1580 /* 1581 * We create our own unit numbers for ifnet devices because the 1582 * USB interface unit numbers can be at arbitrary positions yielding 1583 * odd looking device names. 1584 */ 1585 devunit = alloc_unr(uhso_ifnet_unit); 1586 1587 if_initname(ifp, device_get_name(sc->sc_dev), devunit); 1588 ifp->if_mtu = UHSO_MAX_MTU; 1589 ifp->if_ioctl = uhso_if_ioctl; 1590 ifp->if_init = uhso_if_init; 1591 ifp->if_start = uhso_if_start; 1592 ifp->if_output = uhso_if_output; 1593 ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_NOARP; 1594 ifp->if_softc = sc; 1595 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 1596 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 1597 IFQ_SET_READY(&ifp->if_snd); 1598 1599 if_attach(ifp); 1600 bpfattach(ifp, DLT_RAW, 0); 1601 1602 sctx = device_get_sysctl_ctx(sc->sc_dev); 1603 soid = device_get_sysctl_tree(sc->sc_dev); 1604 /* Unlocked read... */ 1605 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "netif", 1606 CTLFLAG_RD, ifp->if_xname, 0, "Attached network interface"); 1607 1608 return (0); 1609 } 1610 1611 static void 1612 uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error) 1613 { 1614 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1615 struct mbuf *m; 1616 struct usb_page_cache *pc; 1617 int actlen; 1618 1619 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1620 1621 UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1622 1623 switch (USB_GET_STATE(xfer)) { 1624 case USB_ST_TRANSFERRED: 1625 if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1626 pc = usbd_xfer_get_frame(xfer, 0); 1627 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1628 usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen); 1629 m->m_pkthdr.len = m->m_len = actlen; 1630 /* Enqueue frame for further processing */ 1631 _IF_ENQUEUE(&sc->sc_rxq, m); 1632 if (!callout_pending(&sc->sc_c) || 1633 !callout_active(&sc->sc_c)) { 1634 callout_schedule(&sc->sc_c, 1); 1635 } 1636 } 1637 /* FALLTHROUGH */ 1638 case USB_ST_SETUP: 1639 tr_setup: 1640 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1641 usbd_transfer_submit(xfer); 1642 break; 1643 default: 1644 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1645 if (error == USB_ERR_CANCELLED) 1646 break; 1647 usbd_xfer_set_stall(xfer); 1648 goto tr_setup; 1649 } 1650 } 1651 1652 /* 1653 * Deferred RX processing, called with mutex locked. 1654 * 1655 * Each frame we receive might contain several small ip-packets as well 1656 * as partial ip-packets. We need to separate/assemble them into individual 1657 * packets before sending them to the ip-layer. 1658 */ 1659 static void 1660 uhso_if_rxflush(void *arg) 1661 { 1662 struct uhso_softc *sc = arg; 1663 struct ifnet *ifp = sc->sc_ifp; 1664 uint8_t *cp; 1665 struct mbuf *m, *m0, *mwait; 1666 struct ip *ip; 1667 #ifdef INET6 1668 struct ip6_hdr *ip6; 1669 #endif 1670 uint16_t iplen; 1671 int isr; 1672 1673 m = NULL; 1674 mwait = sc->sc_mwait; 1675 for (;;) { 1676 if (m == NULL) { 1677 _IF_DEQUEUE(&sc->sc_rxq, m); 1678 if (m == NULL) 1679 break; 1680 UHSO_DPRINTF(3, "dequeue m=%p, len=%d\n", m, m->m_len); 1681 } 1682 mtx_unlock(&sc->sc_mtx); 1683 1684 /* Do we have a partial packet waiting? */ 1685 if (mwait != NULL) { 1686 m0 = mwait; 1687 mwait = NULL; 1688 1689 UHSO_DPRINTF(3, "partial m0=%p(%d), concat w/ m=%p(%d)\n", 1690 m0, m0->m_len, m, m->m_len); 1691 1692 m_catpkt(m0, m); 1693 m = m_pullup(m0, sizeof(struct ip)); 1694 if (m == NULL) { 1695 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1696 UHSO_DPRINTF(0, "m_pullup failed\n"); 1697 mtx_lock(&sc->sc_mtx); 1698 continue; 1699 } 1700 UHSO_DPRINTF(3, "Constructed mbuf=%p, len=%d\n", 1701 m, m->m_pkthdr.len); 1702 } 1703 1704 cp = mtod(m, uint8_t *); 1705 ip = (struct ip *)cp; 1706 #ifdef INET6 1707 ip6 = (struct ip6_hdr *)cp; 1708 #endif 1709 1710 /* Check for IPv4 */ 1711 if (ip->ip_v == IPVERSION) { 1712 iplen = htons(ip->ip_len); 1713 isr = NETISR_IP; 1714 } 1715 #ifdef INET6 1716 /* Check for IPv6 */ 1717 else if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION) { 1718 iplen = htons(ip6->ip6_plen); 1719 isr = NETISR_IPV6; 1720 } 1721 #endif 1722 else { 1723 UHSO_DPRINTF(0, "got unexpected ip version %d, " 1724 "m=%p, len=%d\n", (*cp & 0xf0) >> 4, m, m->m_len); 1725 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1726 UHSO_HEXDUMP(cp, 4); 1727 m_freem(m); 1728 m = NULL; 1729 mtx_lock(&sc->sc_mtx); 1730 continue; 1731 } 1732 1733 if (iplen == 0) { 1734 UHSO_DPRINTF(0, "Zero IP length\n"); 1735 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 1736 m_freem(m); 1737 m = NULL; 1738 mtx_lock(&sc->sc_mtx); 1739 continue; 1740 } 1741 1742 UHSO_DPRINTF(3, "m=%p, len=%d, cp=%p, iplen=%d\n", 1743 m, m->m_pkthdr.len, cp, iplen); 1744 1745 m0 = NULL; 1746 1747 /* More IP packets in this mbuf */ 1748 if (iplen < m->m_pkthdr.len) { 1749 m0 = m; 1750 1751 /* 1752 * Allocate a new mbuf for this IP packet and 1753 * copy the IP-packet into it. 1754 */ 1755 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1756 memcpy(mtod(m, uint8_t *), mtod(m0, uint8_t *), iplen); 1757 m->m_pkthdr.len = m->m_len = iplen; 1758 1759 /* Adjust the size of the original mbuf */ 1760 m_adj(m0, iplen); 1761 m0 = m_defrag(m0, M_WAITOK); 1762 1763 UHSO_DPRINTF(3, "New mbuf=%p, len=%d/%d, m0=%p, " 1764 "m0_len=%d/%d\n", m, m->m_pkthdr.len, m->m_len, 1765 m0, m0->m_pkthdr.len, m0->m_len); 1766 } 1767 else if (iplen > m->m_pkthdr.len) { 1768 UHSO_DPRINTF(3, "Deferred mbuf=%p, len=%d\n", 1769 m, m->m_pkthdr.len); 1770 mwait = m; 1771 m = NULL; 1772 mtx_lock(&sc->sc_mtx); 1773 continue; 1774 } 1775 1776 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 1777 m->m_pkthdr.rcvif = ifp; 1778 1779 /* Dispatch to IP layer */ 1780 BPF_MTAP(sc->sc_ifp, m); 1781 M_SETFIB(m, ifp->if_fib); 1782 netisr_dispatch(isr, m); 1783 m = m0 != NULL ? m0 : NULL; 1784 mtx_lock(&sc->sc_mtx); 1785 } 1786 sc->sc_mwait = mwait; 1787 } 1788 1789 static void 1790 uhso_ifnet_write_callback(struct usb_xfer *xfer, usb_error_t error) 1791 { 1792 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1793 struct ifnet *ifp = sc->sc_ifp; 1794 struct usb_page_cache *pc; 1795 struct mbuf *m; 1796 int actlen; 1797 1798 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1799 1800 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1801 1802 switch (USB_GET_STATE(xfer)) { 1803 case USB_ST_TRANSFERRED: 1804 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1805 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1806 case USB_ST_SETUP: 1807 tr_setup: 1808 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1809 if (m == NULL) 1810 break; 1811 1812 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1813 1814 if (m->m_pkthdr.len > MCLBYTES) 1815 m->m_pkthdr.len = MCLBYTES; 1816 1817 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 1818 pc = usbd_xfer_get_frame(xfer, 0); 1819 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 1820 usbd_transfer_submit(xfer); 1821 1822 BPF_MTAP(ifp, m); 1823 m_freem(m); 1824 break; 1825 default: 1826 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1827 if (error == USB_ERR_CANCELLED) 1828 break; 1829 usbd_xfer_set_stall(xfer); 1830 goto tr_setup; 1831 } 1832 } 1833 1834 static int 1835 uhso_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1836 { 1837 struct uhso_softc *sc; 1838 1839 sc = ifp->if_softc; 1840 1841 switch (cmd) { 1842 case SIOCSIFFLAGS: 1843 if (ifp->if_flags & IFF_UP) { 1844 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1845 uhso_if_init(sc); 1846 } 1847 } 1848 else { 1849 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1850 mtx_lock(&sc->sc_mtx); 1851 uhso_if_stop(sc); 1852 mtx_unlock(&sc->sc_mtx); 1853 } 1854 } 1855 break; 1856 case SIOCSIFADDR: 1857 case SIOCADDMULTI: 1858 case SIOCDELMULTI: 1859 break; 1860 default: 1861 return (EINVAL); 1862 } 1863 return (0); 1864 } 1865 1866 static void 1867 uhso_if_init(void *priv) 1868 { 1869 struct uhso_softc *sc = priv; 1870 struct ifnet *ifp = sc->sc_ifp; 1871 1872 mtx_lock(&sc->sc_mtx); 1873 uhso_if_stop(sc); 1874 ifp = sc->sc_ifp; 1875 ifp->if_flags |= IFF_UP; 1876 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1877 mtx_unlock(&sc->sc_mtx); 1878 1879 UHSO_DPRINTF(2, "ifnet initialized\n"); 1880 } 1881 1882 static int 1883 uhso_if_output(struct ifnet *ifp, struct mbuf *m0, const struct sockaddr *dst, 1884 struct route *ro) 1885 { 1886 int error; 1887 1888 /* Only IPv4/6 support */ 1889 if (dst->sa_family != AF_INET 1890 #ifdef INET6 1891 && dst->sa_family != AF_INET6 1892 #endif 1893 ) { 1894 return (EAFNOSUPPORT); 1895 } 1896 1897 error = (ifp->if_transmit)(ifp, m0); 1898 if (error) { 1899 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1900 return (ENOBUFS); 1901 } 1902 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1903 return (0); 1904 } 1905 1906 static void 1907 uhso_if_start(struct ifnet *ifp) 1908 { 1909 struct uhso_softc *sc = ifp->if_softc; 1910 1911 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1912 UHSO_DPRINTF(1, "Not running\n"); 1913 return; 1914 } 1915 1916 mtx_lock(&sc->sc_mtx); 1917 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); 1918 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1919 mtx_unlock(&sc->sc_mtx); 1920 UHSO_DPRINTF(3, "interface started\n"); 1921 } 1922 1923 static void 1924 uhso_if_stop(struct uhso_softc *sc) 1925 { 1926 1927 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); 1928 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1929 sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1930 } 1931