uhso.c revision 213803
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: head/sys/dev/usb/net/uhso.c 213803 2010-10-13 20:51:06Z hselasky $"); 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_types.h> 51#include <net/netisr.h> 52#include <net/bpf.h> 53#include <netinet/in.h> 54#include <netinet/ip.h> 55#include <netinet/ip6.h> 56 57#include <dev/usb/usb.h> 58#include <dev/usb/usbdi.h> 59#include <dev/usb/usbdi_util.h> 60#include <dev/usb/usb_cdc.h> 61#include "usbdevs.h" 62#define USB_DEBUG_VAR uhso_debug 63#include <dev/usb/usb_debug.h> 64#include <dev/usb/usb_process.h> 65#include <dev/usb/usb_busdma.h> 66#include <dev/usb/usb_msctest.h> 67 68#include <dev/usb/serial/usb_serial.h> 69 70struct uhso_tty { 71 struct uhso_softc *ht_sc; 72 struct usb_xfer *ht_xfer[3]; 73 int ht_muxport; /* Mux. port no */ 74 int ht_open; 75 char ht_name[32]; 76}; 77 78struct uhso_softc { 79 device_t sc_dev; 80 struct usb_device *sc_udev; 81 struct mtx sc_mtx; 82 uint32_t sc_type; /* Interface definition */ 83 int sc_radio; 84 85 struct usb_xfer *sc_xfer[3]; 86 uint8_t sc_iface_no; 87 uint8_t sc_iface_index; 88 89 /* Control pipe */ 90 struct usb_xfer * sc_ctrl_xfer[2]; 91 uint8_t sc_ctrl_iface_no; 92 93 /* Network */ 94 struct usb_xfer *sc_if_xfer[2]; 95 struct ifnet *sc_ifp; 96 struct mbuf *sc_mwait; /* Partial packet */ 97 size_t sc_waitlen; /* No. of outstanding bytes */ 98 struct ifqueue sc_rxq; 99 struct callout sc_c; 100 101 /* TTY related structures */ 102 struct ucom_super_softc sc_super_ucom; 103 int sc_ttys; 104 struct uhso_tty *sc_tty; 105 struct ucom_softc *sc_ucom; 106 int sc_msr; 107 int sc_lsr; 108 int sc_line; 109}; 110 111#define UHSO_MAX_MTU 2048 112 113/* 114 * There are mainly two type of cards floating around. 115 * The first one has 2,3 or 4 interfaces with a multiplexed serial port 116 * and packet interface on the first interface and bulk serial ports 117 * on the others. 118 * The second type of card has several other interfaces, their purpose 119 * can be detected during run-time. 120 */ 121#define UHSO_IFACE_SPEC(usb_type, port, port_type) \ 122 (((usb_type) << 24) | ((port) << 16) | (port_type)) 123 124#define UHSO_IFACE_USB_TYPE(x) ((x >> 24) & 0xff) 125#define UHSO_IFACE_PORT(x) ((x >> 16) & 0xff) 126#define UHSO_IFACE_PORT_TYPE(x) (x & 0xff) 127 128/* 129 * USB interface types 130 */ 131#define UHSO_IF_NET 0x01 /* Network packet interface */ 132#define UHSO_IF_MUX 0x02 /* Multiplexed serial port */ 133#define UHSO_IF_BULK 0x04 /* Bulk interface */ 134 135/* 136 * Port types 137 */ 138#define UHSO_PORT_UNKNOWN 0x00 139#define UHSO_PORT_SERIAL 0x01 /* Serial port */ 140#define UHSO_PORT_NETWORK 0x02 /* Network packet interface */ 141 142/* 143 * Multiplexed serial port destination sub-port names 144 */ 145#define UHSO_MPORT_TYPE_CTL 0x00 /* Control port */ 146#define UHSO_MPORT_TYPE_APP 0x01 /* Application */ 147#define UHSO_MPORT_TYPE_PCSC 0x02 148#define UHSO_MPORT_TYPE_GPS 0x03 149#define UHSO_MPORT_TYPE_APP2 0x04 /* Secondary application */ 150#define UHSO_MPORT_TYPE_MAX UHSO_MPORT_TYPE_APP2 151#define UHSO_MPORT_TYPE_NOMAX 8 /* Max number of mux ports */ 152 153/* 154 * Port definitions 155 * Note that these definitions are arbitrary and do not match the values 156 * returned by the auto config descriptor. 157 */ 158#define UHSO_PORT_TYPE_UNKNOWN 0x00 159#define UHSO_PORT_TYPE_CTL 0x01 160#define UHSO_PORT_TYPE_APP 0x02 161#define UHSO_PORT_TYPE_APP2 0x03 162#define UHSO_PORT_TYPE_MODEM 0x04 163#define UHSO_PORT_TYPE_NETWORK 0x05 164#define UHSO_PORT_TYPE_DIAG 0x06 165#define UHSO_PORT_TYPE_DIAG2 0x07 166#define UHSO_PORT_TYPE_GPS 0x08 167#define UHSO_PORT_TYPE_GPSCTL 0x09 168#define UHSO_PORT_TYPE_PCSC 0x0a 169#define UHSO_PORT_TYPE_MSD 0x0b 170#define UHSO_PORT_TYPE_VOICE 0x0c 171#define UHSO_PORT_TYPE_MAX 0x0c 172 173static eventhandler_tag uhso_etag; 174 175/* Overall port type */ 176static char *uhso_port[] = { 177 "Unknown", 178 "Serial", 179 "Network", 180 "Network/Serial" 181}; 182 183/* 184 * Map between interface port type read from device and description type. 185 * The position in this array is a direct map to the auto config 186 * descriptor values. 187 */ 188static unsigned char uhso_port_map[] = { 189 UHSO_PORT_TYPE_UNKNOWN, 190 UHSO_PORT_TYPE_DIAG, 191 UHSO_PORT_TYPE_GPS, 192 UHSO_PORT_TYPE_GPSCTL, 193 UHSO_PORT_TYPE_APP, 194 UHSO_PORT_TYPE_APP2, 195 UHSO_PORT_TYPE_CTL, 196 UHSO_PORT_TYPE_NETWORK, 197 UHSO_PORT_TYPE_MODEM, 198 UHSO_PORT_TYPE_MSD, 199 UHSO_PORT_TYPE_PCSC, 200 UHSO_PORT_TYPE_VOICE 201}; 202static char uhso_port_map_max = sizeof(uhso_port_map) / sizeof(char); 203 204static unsigned char uhso_mux_port_map[] = { 205 UHSO_PORT_TYPE_CTL, 206 UHSO_PORT_TYPE_APP, 207 UHSO_PORT_TYPE_PCSC, 208 UHSO_PORT_TYPE_GPS, 209 UHSO_PORT_TYPE_APP2 210}; 211 212static char *uhso_port_type[] = { 213 "Unknown", /* Not a valid port */ 214 "Control", 215 "Application", 216 "Application (Secondary)", 217 "Modem", 218 "Network", 219 "Diagnostic", 220 "Diagnostic (Secondary)", 221 "GPS", 222 "GPS Control", 223 "PC Smartcard", 224 "MSD", 225 "Voice", 226}; 227 228static char *uhso_port_type_sysctl[] = { 229 "unknown", 230 "control", 231 "application", 232 "application", 233 "modem", 234 "network", 235 "diagnostic", 236 "diagnostic", 237 "gps", 238 "gps_control", 239 "pcsc", 240 "msd", 241 "voice", 242}; 243 244#define UHSO_STATIC_IFACE 0x01 245#define UHSO_AUTO_IFACE 0x02 246 247/* ifnet device unit allocations */ 248static struct unrhdr *uhso_ifnet_unit = NULL; 249 250static const struct usb_device_id uhso_devs[] = { 251#define UHSO_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 252 /* Option GlobeSurfer iCON 7.2 */ 253 UHSO_DEV(OPTION, GSICON72, UHSO_STATIC_IFACE), 254 /* Option iCON 225 */ 255 UHSO_DEV(OPTION, GTHSDPA, UHSO_STATIC_IFACE), 256 /* Option GlobeSurfer iCON HSUPA */ 257 UHSO_DEV(OPTION, GSICONHSUPA, UHSO_STATIC_IFACE), 258 /* Option GlobeTrotter HSUPA */ 259 UHSO_DEV(OPTION, GTHSUPA, UHSO_STATIC_IFACE), 260 /* GE40x */ 261 UHSO_DEV(OPTION, GE40X, UHSO_AUTO_IFACE), 262 UHSO_DEV(OPTION, GE40X_1, UHSO_AUTO_IFACE), 263 UHSO_DEV(OPTION, GE40X_2, UHSO_AUTO_IFACE), 264 UHSO_DEV(OPTION, GE40X_3, UHSO_AUTO_IFACE), 265 /* Option GlobeSurfer iCON 401 */ 266 UHSO_DEV(OPTION, ICON401, UHSO_AUTO_IFACE), 267 /* Option GlobeTrotter Module 382 */ 268 UHSO_DEV(OPTION, GMT382, UHSO_AUTO_IFACE), 269 /* Option iCON EDGE */ 270 UHSO_DEV(OPTION, ICONEDGE, UHSO_STATIC_IFACE), 271 /* Option Module HSxPA */ 272 UHSO_DEV(OPTION, MODHSXPA, UHSO_STATIC_IFACE), 273 /* Option iCON 321 */ 274 UHSO_DEV(OPTION, ICON321, UHSO_STATIC_IFACE), 275 /* Option iCON 322 */ 276 UHSO_DEV(OPTION, GTICON322, UHSO_STATIC_IFACE), 277 /* Option iCON 505 */ 278 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 279 /* Option iCON 452 */ 280 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 281#undef UHSO_DEV 282}; 283 284SYSCTL_NODE(_hw_usb, OID_AUTO, uhso, CTLFLAG_RW, 0, "USB uhso"); 285static int uhso_autoswitch = 1; 286SYSCTL_INT(_hw_usb_uhso, OID_AUTO, auto_switch, CTLFLAG_RW, 287 &uhso_autoswitch, 0, "Automatically switch to modem mode"); 288 289#ifdef USB_DEBUG 290#ifdef UHSO_DEBUG 291static int uhso_debug = UHSO_DEBUG; 292#else 293static int uhso_debug = -1; 294#endif 295 296SYSCTL_INT(_hw_usb_uhso, OID_AUTO, debug, CTLFLAG_RW, 297 &uhso_debug, 0, "Debug level"); 298 299#define UHSO_DPRINTF(n, x, ...) {\ 300 if (uhso_debug >= n) {\ 301 printf("%s: " x, __func__, ##__VA_ARGS__);\ 302 }\ 303} 304#else 305#define UHSO_DPRINTF(n, x, ...) 306#endif 307 308#ifdef UHSO_DEBUG_HEXDUMP 309# define UHSO_HEXDUMP(_buf, _len) do { \ 310 { \ 311 size_t __tmp; \ 312 const char *__buf = (const char *)_buf; \ 313 for (__tmp = 0; __tmp < _len; __tmp++) \ 314 printf("%02hhx ", *__buf++); \ 315 printf("\n"); \ 316 } \ 317} while(0) 318#else 319# define UHSO_HEXDUMP(_buf, _len) 320#endif 321 322enum { 323 UHSO_MUX_ENDPT_INTR = 0, 324 UHSO_MUX_ENDPT_MAX 325}; 326 327enum { 328 UHSO_CTRL_READ = 0, 329 UHSO_CTRL_WRITE, 330 UHSO_CTRL_MAX 331}; 332 333enum { 334 UHSO_IFNET_READ = 0, 335 UHSO_IFNET_WRITE, 336 UHSO_IFNET_MAX 337}; 338 339enum { 340 UHSO_BULK_ENDPT_READ = 0, 341 UHSO_BULK_ENDPT_WRITE, 342 UHSO_BULK_ENDPT_INTR, 343 UHSO_BULK_ENDPT_MAX 344}; 345 346static usb_callback_t uhso_mux_intr_callback; 347static usb_callback_t uhso_mux_read_callback; 348static usb_callback_t uhso_mux_write_callback; 349static usb_callback_t uhso_bs_read_callback; 350static usb_callback_t uhso_bs_write_callback; 351static usb_callback_t uhso_bs_intr_callback; 352static usb_callback_t uhso_ifnet_read_callback; 353static usb_callback_t uhso_ifnet_write_callback; 354 355/* Config used for the default control pipes */ 356static const struct usb_config uhso_ctrl_config[UHSO_CTRL_MAX] = { 357 [UHSO_CTRL_READ] = { 358 .type = UE_CONTROL, 359 .endpoint = 0x00, 360 .direction = UE_DIR_ANY, 361 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 362 .bufsize = sizeof(struct usb_device_request) + 1024, 363 .callback = &uhso_mux_read_callback 364 }, 365 366 [UHSO_CTRL_WRITE] = { 367 .type = UE_CONTROL, 368 .endpoint = 0x00, 369 .direction = UE_DIR_ANY, 370 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 371 .bufsize = sizeof(struct usb_device_request) + 1024, 372 .timeout = 1000, 373 .callback = &uhso_mux_write_callback 374 } 375}; 376 377/* Config for the multiplexed serial ports */ 378static const struct usb_config uhso_mux_config[UHSO_MUX_ENDPT_MAX] = { 379 [UHSO_MUX_ENDPT_INTR] = { 380 .type = UE_INTERRUPT, 381 .endpoint = UE_ADDR_ANY, 382 .direction = UE_DIR_IN, 383 .flags = { .short_xfer_ok = 1 }, 384 .bufsize = 0, 385 .callback = &uhso_mux_intr_callback, 386 } 387}; 388 389/* Config for the raw IP-packet interface */ 390static const struct usb_config uhso_ifnet_config[UHSO_IFNET_MAX] = { 391 [UHSO_IFNET_READ] = { 392 .type = UE_BULK, 393 .endpoint = UE_ADDR_ANY, 394 .direction = UE_DIR_IN, 395 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 396 .bufsize = MCLBYTES, 397 .callback = &uhso_ifnet_read_callback 398 }, 399 [UHSO_IFNET_WRITE] = { 400 .type = UE_BULK, 401 .endpoint = UE_ADDR_ANY, 402 .direction = UE_DIR_OUT, 403 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 404 .bufsize = MCLBYTES, 405 .timeout = 5 * USB_MS_HZ, 406 .callback = &uhso_ifnet_write_callback 407 } 408}; 409 410/* Config for interfaces with normal bulk serial ports */ 411static const struct usb_config uhso_bs_config[UHSO_BULK_ENDPT_MAX] = { 412 [UHSO_BULK_ENDPT_READ] = { 413 .type = UE_BULK, 414 .endpoint = UE_ADDR_ANY, 415 .direction = UE_DIR_IN, 416 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 417 .bufsize = 4096, 418 .callback = &uhso_bs_read_callback 419 }, 420 421 [UHSO_BULK_ENDPT_WRITE] = { 422 .type = UE_BULK, 423 .endpoint = UE_ADDR_ANY, 424 .direction = UE_DIR_OUT, 425 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 426 .bufsize = 8192, 427 .callback = &uhso_bs_write_callback 428 }, 429 430 [UHSO_BULK_ENDPT_INTR] = { 431 .type = UE_INTERRUPT, 432 .endpoint = UE_ADDR_ANY, 433 .direction = UE_DIR_IN, 434 .flags = { .short_xfer_ok = 1 }, 435 .bufsize = 0, 436 .callback = &uhso_bs_intr_callback, 437 } 438}; 439 440static int uhso_probe_iface(struct uhso_softc *, int, 441 int (*probe)(struct usb_device *, int)); 442static int uhso_probe_iface_auto(struct usb_device *, int); 443static int uhso_probe_iface_static(struct usb_device *, int); 444static int uhso_attach_muxserial(struct uhso_softc *, struct usb_interface *, 445 int type); 446static int uhso_attach_bulkserial(struct uhso_softc *, struct usb_interface *, 447 int type); 448static int uhso_attach_ifnet(struct uhso_softc *, struct usb_interface *, 449 int type); 450static void uhso_test_autoinst(void *, struct usb_device *, 451 struct usb_attach_arg *); 452static int uhso_driver_loaded(struct module *, int, void *); 453static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS); 454static int uhso_radio_ctrl(struct uhso_softc *, int); 455 456static void uhso_ucom_start_read(struct ucom_softc *); 457static void uhso_ucom_stop_read(struct ucom_softc *); 458static void uhso_ucom_start_write(struct ucom_softc *); 459static void uhso_ucom_stop_write(struct ucom_softc *); 460static void uhso_ucom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 461static void uhso_ucom_cfg_set_dtr(struct ucom_softc *, uint8_t); 462static void uhso_ucom_cfg_set_rts(struct ucom_softc *, uint8_t); 463static void uhso_if_init(void *); 464static void uhso_if_start(struct ifnet *); 465static void uhso_if_stop(struct uhso_softc *); 466static int uhso_if_ioctl(struct ifnet *, u_long, caddr_t); 467static int uhso_if_output(struct ifnet *, struct mbuf *, struct sockaddr *, 468 struct route *); 469static void uhso_if_rxflush(void *); 470 471static device_probe_t uhso_probe; 472static device_attach_t uhso_attach; 473static device_detach_t uhso_detach; 474 475static device_method_t uhso_methods[] = { 476 DEVMETHOD(device_probe, uhso_probe), 477 DEVMETHOD(device_attach, uhso_attach), 478 DEVMETHOD(device_detach, uhso_detach), 479 { 0, 0 } 480}; 481 482static driver_t uhso_driver = { 483 "uhso", 484 uhso_methods, 485 sizeof(struct uhso_softc) 486}; 487 488static devclass_t uhso_devclass; 489DRIVER_MODULE(uhso, uhub, uhso_driver, uhso_devclass, uhso_driver_loaded, 0); 490MODULE_DEPEND(uhso, ucom, 1, 1, 1); 491MODULE_DEPEND(uhso, usb, 1, 1, 1); 492MODULE_VERSION(uhso, 1); 493 494static struct ucom_callback uhso_ucom_callback = { 495 .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, 496 .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, 497 .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, 498 .ucom_start_read = uhso_ucom_start_read, 499 .ucom_stop_read = uhso_ucom_stop_read, 500 .ucom_start_write = uhso_ucom_start_write, 501 .ucom_stop_write = uhso_ucom_stop_write 502}; 503 504static int 505uhso_probe(device_t self) 506{ 507 struct usb_attach_arg *uaa = device_get_ivars(self); 508 int error; 509 510 if (uaa->usb_mode != USB_MODE_HOST) 511 return (ENXIO); 512 if (uaa->info.bConfigIndex != 0) 513 return (ENXIO); 514 if (uaa->info.bDeviceClass != 0xff) 515 return (ENXIO); 516 517 error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); 518 if (error != 0) 519 return (error); 520 521 /* 522 * Probe device to see if we are able to attach 523 * to this interface or not. 524 */ 525 if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { 526 if (uhso_probe_iface_auto(uaa->device, 527 uaa->info.bIfaceNum) == 0) 528 return (ENXIO); 529 } 530 return (error); 531} 532 533static int 534uhso_attach(device_t self) 535{ 536 struct uhso_softc *sc = device_get_softc(self); 537 struct usb_attach_arg *uaa = device_get_ivars(self); 538 struct usb_config_descriptor *cd; 539 struct usb_interface_descriptor *id; 540 struct sysctl_ctx_list *sctx; 541 struct sysctl_oid *soid; 542 struct sysctl_oid *tree = NULL, *tty_node; 543 struct ucom_softc *ucom; 544 struct uhso_tty *ht; 545 int i, error, port; 546 void *probe_f; 547 usb_error_t uerr; 548 char *desc; 549 550 sc->sc_dev = self; 551 sc->sc_udev = uaa->device; 552 mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); 553 554 sc->sc_ucom = NULL; 555 sc->sc_ttys = 0; 556 sc->sc_radio = 1; 557 558 cd = usbd_get_config_descriptor(uaa->device); 559 id = usbd_get_interface_descriptor(uaa->iface); 560 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 561 562 sc->sc_iface_no = uaa->info.bIfaceNum; 563 sc->sc_iface_index = uaa->info.bIfaceIndex; 564 565 /* Setup control pipe */ 566 uerr = usbd_transfer_setup(uaa->device, 567 &sc->sc_iface_index, sc->sc_ctrl_xfer, 568 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 569 if (uerr) { 570 device_printf(self, "Failed to setup control pipe: %s\n", 571 usbd_errstr(uerr)); 572 goto out; 573 } 574 575 if (USB_GET_DRIVER_INFO(uaa) == UHSO_STATIC_IFACE) 576 probe_f = uhso_probe_iface_static; 577 else if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) 578 probe_f = uhso_probe_iface_auto; 579 else 580 goto out; 581 582 error = uhso_probe_iface(sc, uaa->info.bIfaceNum, probe_f); 583 if (error != 0) 584 goto out; 585 586 sctx = device_get_sysctl_ctx(sc->sc_dev); 587 soid = device_get_sysctl_tree(sc->sc_dev); 588 589 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "type", 590 CTLFLAG_RD, uhso_port[UHSO_IFACE_PORT(sc->sc_type)], 0, 591 "Port available at this interface"); 592 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "radio", 593 CTLTYPE_INT | CTLFLAG_RW, sc, 0, uhso_radio_sysctl, "I", "Enable radio"); 594 595 /* 596 * The default interface description on most Option devices isn't 597 * very helpful. So we skip device_set_usb_desc and set the 598 * device description manually. 599 */ 600 device_set_desc_copy(self, uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)]); 601 /* Announce device */ 602 device_printf(self, "<%s port> at <%s %s> on %s\n", 603 uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)], 604 usb_get_manufacturer(uaa->device), 605 usb_get_product(uaa->device), 606 device_get_nameunit(device_get_parent(self))); 607 608 if (sc->sc_ttys > 0) { 609 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports", 610 CTLFLAG_RD, &sc->sc_ttys, 0, "Number of attached serial ports"); 611 612 tree = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 613 "port", CTLFLAG_RD, NULL, "Serial ports"); 614 } 615 616 /* 617 * Loop through the number of found TTYs and create sysctl 618 * nodes for them. 619 */ 620 for (i = 0; i < sc->sc_ttys; i++) { 621 ht = &sc->sc_tty[i]; 622 ucom = &sc->sc_ucom[i]; 623 624 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) 625 port = uhso_mux_port_map[ht->ht_muxport]; 626 else 627 port = UHSO_IFACE_PORT_TYPE(sc->sc_type); 628 629 desc = uhso_port_type_sysctl[port]; 630 631 tty_node = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(tree), OID_AUTO, 632 desc, CTLFLAG_RD, NULL, ""); 633 634 ht->ht_name[0] = 0; 635 if (sc->sc_ttys == 1) 636 snprintf(ht->ht_name, 32, "cuaU%d", ucom->sc_unit); 637 else { 638 snprintf(ht->ht_name, 32, "cuaU%d.%d", 639 ucom->sc_unit - ucom->sc_local_unit, 640 ucom->sc_local_unit); 641 } 642 643 desc = uhso_port_type[port]; 644 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 645 "tty", CTLFLAG_RD, ht->ht_name, 0, ""); 646 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 647 "desc", CTLFLAG_RD, desc, 0, ""); 648 649 if (bootverbose) 650 device_printf(sc->sc_dev, 651 "\"%s\" port at %s\n", desc, ht->ht_name); 652 } 653 654 return (0); 655out: 656 uhso_detach(sc->sc_dev); 657 return (ENXIO); 658} 659 660static int 661uhso_detach(device_t self) 662{ 663 struct uhso_softc *sc = device_get_softc(self); 664 int i; 665 666 usbd_transfer_unsetup(sc->sc_xfer, 3); 667 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); 668 if (sc->sc_ttys > 0) { 669 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom, sc->sc_ttys); 670 671 for (i = 0; i < sc->sc_ttys; i++) { 672 if (sc->sc_tty[i].ht_muxport != -1) { 673 usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, 674 UHSO_CTRL_MAX); 675 } 676 } 677 678 free(sc->sc_tty, M_USBDEV); 679 free(sc->sc_ucom, M_USBDEV); 680 } 681 682 if (sc->sc_ifp != NULL) { 683 callout_drain(&sc->sc_c); 684 free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); 685 mtx_lock(&sc->sc_mtx); 686 uhso_if_stop(sc); 687 bpfdetach(sc->sc_ifp); 688 if_detach(sc->sc_ifp); 689 if_free(sc->sc_ifp); 690 mtx_unlock(&sc->sc_mtx); 691 usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); 692 } 693 694 mtx_destroy(&sc->sc_mtx); 695 return (0); 696} 697 698static void 699uhso_test_autoinst(void *arg, struct usb_device *udev, 700 struct usb_attach_arg *uaa) 701{ 702 struct usb_interface *iface; 703 struct usb_interface_descriptor *id; 704 705 if (uaa->dev_state != UAA_DEV_READY || !uhso_autoswitch) 706 return; 707 708 iface = usbd_get_iface(udev, 0); 709 if (iface == NULL) 710 return; 711 id = iface->idesc; 712 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 713 return; 714 if (usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa)) 715 return; /* no device match */ 716 717 if (usb_msc_eject(udev, 0, MSC_EJECT_REZERO) == 0) { 718 /* success, mark the udev as disappearing */ 719 uaa->dev_state = UAA_DEV_EJECTING; 720 } 721} 722 723static int 724uhso_driver_loaded(struct module *mod, int what, void *arg) 725{ 726 switch (what) { 727 case MOD_LOAD: 728 /* register our autoinstall handler */ 729 uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 730 uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); 731 /* create our unit allocator for inet devs */ 732 uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL); 733 break; 734 case MOD_UNLOAD: 735 EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag); 736 delete_unrhdr(uhso_ifnet_unit); 737 break; 738 default: 739 return (EOPNOTSUPP); 740 } 741 return (0); 742} 743 744/* 745 * Probe the interface type by querying the device. The elements 746 * of an array indicates the capabilities of a particular interface. 747 * Returns a bit mask with the interface capabilities. 748 */ 749static int 750uhso_probe_iface_auto(struct usb_device *udev, int index) 751{ 752 struct usb_device_request req; 753 usb_error_t uerr; 754 uint16_t actlen = 0; 755 char port; 756 char buf[17] = {0}; 757 758 req.bmRequestType = UT_READ_VENDOR_DEVICE; 759 req.bRequest = 0x86; 760 USETW(req.wValue, 0); 761 USETW(req.wIndex, 0); 762 USETW(req.wLength, 17); 763 764 uerr = usbd_do_request_flags(udev, NULL, &req, buf, 765 0, &actlen, USB_MS_HZ); 766 if (uerr != 0) { 767 printf("%s: usbd_do_request_flags failed, %s\n", 768 __func__, usbd_errstr(uerr)); 769 return (0); 770 } 771 772 UHSO_DPRINTF(1, "actlen=%d\n", actlen); 773 UHSO_HEXDUMP(buf, 17); 774 775 if (index < 0 || index > 16) { 776 UHSO_DPRINTF(0, "Index %d out of range\n", index); 777 return (0); 778 } 779 780 UHSO_DPRINTF(1, "index=%d, type=%x[%s]\n", index, buf[index], 781 uhso_port_type[(int)uhso_port_map[(int)buf[index]]]); 782 783 if (buf[index] >= uhso_port_map_max) 784 port = 0; 785 else 786 port = uhso_port_map[(int)buf[index]]; 787 788 switch (port) { 789 case UHSO_PORT_TYPE_NETWORK: 790 return (UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 791 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, port)); 792 case UHSO_PORT_TYPE_DIAG: 793 case UHSO_PORT_TYPE_DIAG2: 794 case UHSO_PORT_TYPE_CTL: 795 case UHSO_PORT_TYPE_APP: 796 case UHSO_PORT_TYPE_APP2: 797 case UHSO_PORT_TYPE_MODEM: 798 return (UHSO_IFACE_SPEC(UHSO_IF_BULK, 799 UHSO_PORT_SERIAL, port)); 800 case UHSO_PORT_TYPE_MSD: 801 return (0); 802 case UHSO_PORT_TYPE_UNKNOWN: 803 default: 804 return (0); 805 } 806 807 return (0); 808} 809 810/* 811 * Returns the capabilities of interfaces for devices that don't 812 * support the automatic query. 813 * Returns a bit mask with the interface capabilities. 814 */ 815static int 816uhso_probe_iface_static(struct usb_device *udev, int index) 817{ 818 struct usb_config_descriptor *cd; 819 820 cd = usbd_get_config_descriptor(udev); 821 if (cd->bNumInterface <= 3) { 822 /* Cards with 3 or less interfaces */ 823 switch (index) { 824 case 0: 825 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 826 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 827 UHSO_PORT_TYPE_NETWORK); 828 case 1: 829 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 830 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 831 case 2: 832 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 833 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 834 } 835 } else { 836 /* Cards with 4 interfaces */ 837 switch (index) { 838 case 0: 839 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 840 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 841 UHSO_PORT_TYPE_NETWORK); 842 case 1: 843 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 844 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG2); 845 case 2: 846 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 847 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 848 case 3: 849 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 850 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 851 } 852 } 853 return (0); 854} 855 856/* 857 * Probes an interface for its particular capabilities and attaches if 858 * it's a supported interface. 859 */ 860static int 861uhso_probe_iface(struct uhso_softc *sc, int index, 862 int (*probe)(struct usb_device *, int)) 863{ 864 struct usb_interface *iface; 865 int type, error; 866 867 UHSO_DPRINTF(1, "Probing for interface %d, probe_func=%p\n", index, probe); 868 869 type = probe(sc->sc_udev, index); 870 UHSO_DPRINTF(1, "Probe result %x\n", type); 871 if (type <= 0) 872 return (ENXIO); 873 874 sc->sc_type = type; 875 iface = usbd_get_iface(sc->sc_udev, index); 876 877 if (UHSO_IFACE_PORT_TYPE(type) == UHSO_PORT_TYPE_NETWORK) { 878 error = uhso_attach_ifnet(sc, iface, type); 879 if (error) { 880 UHSO_DPRINTF(1, "uhso_attach_ifnet failed"); 881 return (ENXIO); 882 } 883 884 /* 885 * If there is an additional interrupt endpoint on this 886 * interface then we most likely have a multiplexed serial port 887 * available. 888 */ 889 if (iface->idesc->bNumEndpoints < 3) { 890 sc->sc_type = UHSO_IFACE_SPEC( 891 UHSO_IFACE_USB_TYPE(type) & ~UHSO_IF_MUX, 892 UHSO_IFACE_PORT(type) & ~UHSO_PORT_SERIAL, 893 UHSO_IFACE_PORT_TYPE(type)); 894 return (0); 895 } 896 897 UHSO_DPRINTF(1, "Trying to attach mux. serial\n"); 898 error = uhso_attach_muxserial(sc, iface, type); 899 if (error == 0 && sc->sc_ttys > 0) { 900 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 901 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 902 if (error) { 903 device_printf(sc->sc_dev, "ucom_attach failed\n"); 904 return (ENXIO); 905 } 906 907 mtx_lock(&sc->sc_mtx); 908 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 909 mtx_unlock(&sc->sc_mtx); 910 } 911 } else if ((UHSO_IFACE_USB_TYPE(type) & UHSO_IF_BULK) && 912 UHSO_IFACE_PORT(type) & UHSO_PORT_SERIAL) { 913 914 error = uhso_attach_bulkserial(sc, iface, type); 915 if (error) 916 return (ENXIO); 917 918 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 919 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 920 if (error) { 921 device_printf(sc->sc_dev, "ucom_attach failed\n"); 922 return (ENXIO); 923 } 924 } 925 else { 926 UHSO_DPRINTF(0, "Unknown type %x\n", type); 927 return (ENXIO); 928 } 929 930 return (0); 931} 932 933static int 934uhso_radio_ctrl(struct uhso_softc *sc, int onoff) 935{ 936 struct usb_device_request req; 937 usb_error_t uerr; 938 939 req.bmRequestType = UT_VENDOR; 940 req.bRequest = onoff ? 0x82 : 0x81; 941 USETW(req.wValue, 0); 942 USETW(req.wIndex, 0); 943 USETW(req.wLength, 0); 944 945 uerr = usbd_do_request(sc->sc_udev, NULL, &req, NULL); 946 if (uerr != 0) { 947 device_printf(sc->sc_dev, "usbd_do_request_flags failed: %s\n", 948 usbd_errstr(uerr)); 949 return (-1); 950 } 951 return (onoff); 952} 953 954static int 955uhso_radio_sysctl(SYSCTL_HANDLER_ARGS) 956{ 957 struct uhso_softc *sc = arg1; 958 int error, radio; 959 960 radio = sc->sc_radio; 961 error = sysctl_handle_int(oidp, &radio, 0, req); 962 if (error) 963 return (error); 964 if (radio != sc->sc_radio) { 965 radio = radio != 0 ? 1 : 0; 966 error = uhso_radio_ctrl(sc, radio); 967 if (error != -1) 968 sc->sc_radio = radio; 969 970 } 971 return (0); 972} 973 974/* 975 * Expands allocated memory to fit an additional TTY. 976 * Two arrays are kept with matching indexes, one for ucom and one 977 * for our private data. 978 */ 979static int 980uhso_alloc_tty(struct uhso_softc *sc) 981{ 982 983 sc->sc_ttys++; 984 sc->sc_tty = reallocf(sc->sc_tty, sizeof(struct uhso_tty) * sc->sc_ttys, 985 M_USBDEV, M_WAITOK | M_ZERO); 986 if (sc->sc_tty == NULL) 987 return (-1); 988 989 sc->sc_ucom = reallocf(sc->sc_ucom, 990 sizeof(struct ucom_softc) * sc->sc_ttys, M_USBDEV, M_WAITOK | M_ZERO); 991 if (sc->sc_ucom == NULL) 992 return (-1); 993 994 sc->sc_tty[sc->sc_ttys - 1].ht_sc = sc; 995 996 UHSO_DPRINTF(1, "Allocated TTY %d\n", sc->sc_ttys - 1); 997 return (sc->sc_ttys - 1); 998} 999 1000/* 1001 * Attach a multiplexed serial port 1002 * Data is read/written with requests on the default control pipe. An interrupt 1003 * endpoint returns when there is new data to be read. 1004 */ 1005static int 1006uhso_attach_muxserial(struct uhso_softc *sc, struct usb_interface *iface, 1007 int type) 1008{ 1009 struct usb_descriptor *desc; 1010 int i, port, tty; 1011 usb_error_t uerr; 1012 1013 /* 1014 * The class specific interface (type 0x24) descriptor subtype field 1015 * contains a bitmask that specifies which (and how many) ports that 1016 * are available through this multiplexed serial port. 1017 */ 1018 desc = usbd_find_descriptor(sc->sc_udev, NULL, 1019 iface->idesc->bInterfaceNumber, UDESC_CS_INTERFACE, 0xff, 0, 0); 1020 if (desc == NULL) { 1021 UHSO_DPRINTF(0, "Failed to find UDESC_CS_INTERFACE\n"); 1022 return (ENXIO); 1023 } 1024 1025 UHSO_DPRINTF(1, "Mux port mask %x\n", desc->bDescriptorSubtype); 1026 if (desc->bDescriptorSubtype == 0) 1027 return (ENXIO); 1028 1029 /* 1030 * The bitmask is one octet, loop through the number of 1031 * bits that are set and create a TTY for each. 1032 */ 1033 for (i = 0; i < 8; i++) { 1034 port = (1 << i); 1035 if ((port & desc->bDescriptorSubtype) == port) { 1036 UHSO_DPRINTF(2, "Found mux port %x (%d)\n", port, i); 1037 tty = uhso_alloc_tty(sc); 1038 if (tty < 0) 1039 return (ENOMEM); 1040 sc->sc_tty[tty].ht_muxport = i; 1041 uerr = usbd_transfer_setup(sc->sc_udev, 1042 &sc->sc_iface_index, sc->sc_tty[tty].ht_xfer, 1043 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 1044 if (uerr) { 1045 device_printf(sc->sc_dev, 1046 "Failed to setup control pipe: %s\n", 1047 usbd_errstr(uerr)); 1048 return (ENXIO); 1049 } 1050 } 1051 } 1052 1053 /* Setup the intr. endpoint */ 1054 uerr = usbd_transfer_setup(sc->sc_udev, 1055 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1056 uhso_mux_config, 1, sc, &sc->sc_mtx); 1057 if (uerr) 1058 return (ENXIO); 1059 1060 return (0); 1061} 1062 1063/* 1064 * Interrupt callback for the multiplexed serial port. Indicates 1065 * which serial port has data waiting. 1066 */ 1067static void 1068uhso_mux_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1069{ 1070 struct usb_page_cache *pc; 1071 struct usb_page_search res; 1072 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1073 unsigned int i, mux; 1074 1075 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1076 1077 switch (USB_GET_STATE(xfer)) { 1078 case USB_ST_TRANSFERRED: 1079 /* 1080 * The multiplexed port number can be found at the first byte. 1081 * It contains a bit mask, we transform this in to an integer. 1082 */ 1083 pc = usbd_xfer_get_frame(xfer, 0); 1084 usbd_get_page(pc, 0, &res); 1085 1086 i = *((unsigned char *)res.buffer); 1087 mux = 0; 1088 while (i >>= 1) { 1089 mux++; 1090 } 1091 1092 UHSO_DPRINTF(3, "mux port %d (%d)\n", mux, i); 1093 if (mux > UHSO_MPORT_TYPE_NOMAX) 1094 break; 1095 1096 /* Issue a read for this serial port */ 1097 usbd_xfer_set_priv( 1098 sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ], 1099 &sc->sc_tty[mux]); 1100 usbd_transfer_start(sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ]); 1101 1102 break; 1103 case USB_ST_SETUP: 1104tr_setup: 1105 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1106 usbd_transfer_submit(xfer); 1107 break; 1108 default: 1109 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1110 if (error == USB_ERR_CANCELLED) 1111 break; 1112 1113 usbd_xfer_set_stall(xfer); 1114 goto tr_setup; 1115 } 1116} 1117 1118static void 1119uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error) 1120{ 1121 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1122 struct usb_page_cache *pc; 1123 struct usb_device_request req; 1124 struct uhso_tty *ht; 1125 int actlen, len; 1126 1127 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1128 1129 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1130 1131 ht = usbd_xfer_get_priv(xfer); 1132 UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open); 1133 1134 switch (USB_GET_STATE(xfer)) { 1135 case USB_ST_TRANSFERRED: 1136 /* Got data, send to ucom */ 1137 pc = usbd_xfer_get_frame(xfer, 1); 1138 len = usbd_xfer_frame_len(xfer, 1); 1139 1140 UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len, 1141 ht->ht_muxport); 1142 if (len <= 0) { 1143 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1144 break; 1145 } 1146 1147 /* Deliver data if the TTY is open, discard otherwise */ 1148 if (ht->ht_open) 1149 ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len); 1150 /* FALLTHROUGH */ 1151 case USB_ST_SETUP: 1152tr_setup: 1153 bzero(&req, sizeof(struct usb_device_request)); 1154 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1155 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1156 USETW(req.wValue, 0); 1157 USETW(req.wIndex, ht->ht_muxport); 1158 USETW(req.wLength, 1024); 1159 1160 pc = usbd_xfer_get_frame(xfer, 0); 1161 usbd_copy_in(pc, 0, &req, sizeof(req)); 1162 1163 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1164 usbd_xfer_set_frame_len(xfer, 1, 1024); 1165 usbd_xfer_set_frames(xfer, 2); 1166 usbd_transfer_submit(xfer); 1167 break; 1168 default: 1169 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1170 if (error == USB_ERR_CANCELLED) 1171 break; 1172 usbd_xfer_set_stall(xfer); 1173 goto tr_setup; 1174 } 1175} 1176 1177static void 1178uhso_mux_write_callback(struct usb_xfer *xfer, usb_error_t error) 1179{ 1180 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1181 struct uhso_tty *ht; 1182 struct usb_page_cache *pc; 1183 struct usb_device_request req; 1184 int actlen; 1185 struct usb_page_search res; 1186 1187 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1188 1189 ht = usbd_xfer_get_priv(xfer); 1190 UHSO_DPRINTF(3, "status=%d, using mux port %d\n", 1191 USB_GET_STATE(xfer), ht->ht_muxport); 1192 1193 switch (USB_GET_STATE(xfer)) { 1194 case USB_ST_TRANSFERRED: 1195 UHSO_DPRINTF(3, "wrote %zd data bytes to muxport %d\n", 1196 actlen - sizeof(struct usb_device_request) , 1197 ht->ht_muxport); 1198 /* FALLTHROUGH */ 1199 case USB_ST_SETUP: 1200 pc = usbd_xfer_get_frame(xfer, 1); 1201 if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 1202 0, 32, &actlen)) { 1203 1204 usbd_get_page(pc, 0, &res); 1205 1206 bzero(&req, sizeof(struct usb_device_request)); 1207 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1208 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1209 USETW(req.wValue, 0); 1210 USETW(req.wIndex, ht->ht_muxport); 1211 USETW(req.wLength, actlen); 1212 1213 pc = usbd_xfer_get_frame(xfer, 0); 1214 usbd_copy_in(pc, 0, &req, sizeof(req)); 1215 1216 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1217 usbd_xfer_set_frame_len(xfer, 1, actlen); 1218 usbd_xfer_set_frames(xfer, 2); 1219 1220 UHSO_DPRINTF(3, "Prepared %d bytes for transmit " 1221 "on muxport %d\n", actlen, ht->ht_muxport); 1222 1223 usbd_transfer_submit(xfer); 1224 } 1225 break; 1226 default: 1227 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1228 if (error == USB_ERR_CANCELLED) 1229 break; 1230 break; 1231 } 1232} 1233 1234static int 1235uhso_attach_bulkserial(struct uhso_softc *sc, struct usb_interface *iface, 1236 int type) 1237{ 1238 usb_error_t uerr; 1239 int tty; 1240 1241 /* Try attaching RD/WR/INTR first */ 1242 uerr = usbd_transfer_setup(sc->sc_udev, 1243 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1244 uhso_bs_config, UHSO_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1245 if (uerr) { 1246 /* Try only RD/WR */ 1247 uerr = usbd_transfer_setup(sc->sc_udev, 1248 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1249 uhso_bs_config, UHSO_BULK_ENDPT_MAX - 1, sc, &sc->sc_mtx); 1250 } 1251 if (uerr) { 1252 UHSO_DPRINTF(0, "usbd_transfer_setup failed"); 1253 return (-1); 1254 } 1255 1256 tty = uhso_alloc_tty(sc); 1257 if (tty < 0) { 1258 usbd_transfer_unsetup(sc->sc_xfer, UHSO_BULK_ENDPT_MAX); 1259 return (ENOMEM); 1260 } 1261 1262 sc->sc_tty[tty].ht_muxport = -1; 1263 return (0); 1264} 1265 1266static void 1267uhso_bs_read_callback(struct usb_xfer *xfer, usb_error_t error) 1268{ 1269 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1270 struct usb_page_cache *pc; 1271 int actlen; 1272 1273 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1274 1275 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1276 1277 switch (USB_GET_STATE(xfer)) { 1278 case USB_ST_TRANSFERRED: 1279 pc = usbd_xfer_get_frame(xfer, 0); 1280 ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen); 1281 /* FALLTHROUGH */ 1282 case USB_ST_SETUP: 1283tr_setup: 1284 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1285 usbd_transfer_submit(xfer); 1286 break; 1287 default: 1288 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1289 if (error == USB_ERR_CANCELLED) 1290 break; 1291 usbd_xfer_set_stall(xfer); 1292 goto tr_setup; 1293 } 1294} 1295 1296static void 1297uhso_bs_write_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 case USB_ST_SETUP: 1310tr_setup: 1311 pc = usbd_xfer_get_frame(xfer, 0); 1312 if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) { 1313 usbd_xfer_set_frame_len(xfer, 0, actlen); 1314 usbd_transfer_submit(xfer); 1315 } 1316 break; 1317 break; 1318 default: 1319 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1320 if (error == USB_ERR_CANCELLED) 1321 break; 1322 usbd_xfer_set_stall(xfer); 1323 goto tr_setup; 1324 } 1325} 1326 1327static void 1328uhso_bs_cfg(struct uhso_softc *sc) 1329{ 1330 struct usb_device_request req; 1331 usb_error_t uerr; 1332 1333 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1334 return; 1335 1336 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1337 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 1338 USETW(req.wValue, sc->sc_line); 1339 USETW(req.wIndex, sc->sc_iface_no); 1340 USETW(req.wLength, 0); 1341 1342 uerr = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom[0], &req, NULL, 0, 1000); 1343 if (uerr != 0) { 1344 device_printf(sc->sc_dev, "failed to set ctrl line state to " 1345 "0x%02x: %s\n", sc->sc_line, usbd_errstr(uerr)); 1346 } 1347} 1348 1349static void 1350uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1351{ 1352 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1353 struct usb_page_cache *pc; 1354 int actlen; 1355 struct usb_cdc_notification cdc; 1356 1357 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1358 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1359 1360 switch (USB_GET_STATE(xfer)) { 1361 case USB_ST_TRANSFERRED: 1362 if (actlen < UCDC_NOTIFICATION_LENGTH) { 1363 UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen); 1364 goto tr_setup; 1365 } 1366 else if (actlen > sizeof(struct usb_cdc_notification)) { 1367 UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen); 1368 actlen = sizeof(struct usb_cdc_notification); 1369 } 1370 1371 pc = usbd_xfer_get_frame(xfer, 0); 1372 usbd_copy_out(pc, 0, &cdc, actlen); 1373 1374 if (UGETW(cdc.wIndex) != sc->sc_iface_no) { 1375 UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n", 1376 UGETW(cdc.wIndex), sc->sc_iface_no); 1377 goto tr_setup; 1378 } 1379 1380 if (cdc.bmRequestType == UCDC_NOTIFICATION && 1381 cdc.bNotification == UCDC_N_SERIAL_STATE) { 1382 UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]); 1383 1384 sc->sc_msr = 0; 1385 sc->sc_lsr = 0; 1386 if (cdc.data[0] & UCDC_N_SERIAL_RI) 1387 sc->sc_msr |= SER_RI; 1388 if (cdc.data[0] & UCDC_N_SERIAL_DSR) 1389 sc->sc_msr |= SER_DSR; 1390 if (cdc.data[0] & UCDC_N_SERIAL_DCD) 1391 sc->sc_msr |= SER_DCD; 1392 1393 ucom_status_change(&sc->sc_ucom[0]); 1394 } 1395 case USB_ST_SETUP: 1396tr_setup: 1397 default: 1398 if (error == USB_ERR_CANCELLED) 1399 break; 1400 usbd_xfer_set_stall(xfer); 1401 goto tr_setup; 1402 } 1403} 1404 1405static void 1406uhso_ucom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 1407{ 1408 struct uhso_softc *sc = ucom->sc_parent; 1409 1410 *lsr = sc->sc_lsr; 1411 *msr = sc->sc_msr; 1412} 1413 1414static void 1415uhso_ucom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 1416{ 1417 struct uhso_softc *sc = ucom->sc_parent; 1418 1419 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1420 return; 1421 1422 if (onoff) 1423 sc->sc_line |= UCDC_LINE_DTR; 1424 else 1425 sc->sc_line &= ~UCDC_LINE_DTR; 1426 1427 uhso_bs_cfg(sc); 1428} 1429 1430static void 1431uhso_ucom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 1432{ 1433 struct uhso_softc *sc = ucom->sc_parent; 1434 1435 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1436 return; 1437 1438 if (onoff) 1439 sc->sc_line |= UCDC_LINE_RTS; 1440 else 1441 sc->sc_line &= ~UCDC_LINE_RTS; 1442 1443 uhso_bs_cfg(sc); 1444} 1445 1446static void 1447uhso_ucom_start_read(struct ucom_softc *ucom) 1448{ 1449 struct uhso_softc *sc = ucom->sc_parent; 1450 1451 UHSO_DPRINTF(3, "unit=%d, local_unit=%d\n", 1452 ucom->sc_unit, ucom->sc_local_unit); 1453 1454 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1455 sc->sc_tty[ucom->sc_local_unit].ht_open = 1; 1456 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1457 } 1458 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1459 sc->sc_tty[0].ht_open = 1; 1460 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1461 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1462 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1463 } 1464} 1465 1466static void 1467uhso_ucom_stop_read(struct ucom_softc *ucom) 1468{ 1469 1470 struct uhso_softc *sc = ucom->sc_parent; 1471 1472 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1473 sc->sc_tty[ucom->sc_local_unit].ht_open = 0; 1474 usbd_transfer_stop( 1475 sc->sc_tty[ucom->sc_local_unit].ht_xfer[UHSO_CTRL_READ]); 1476 } 1477 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1478 sc->sc_tty[0].ht_open = 0; 1479 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1480 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1481 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1482 } 1483} 1484 1485static void 1486uhso_ucom_start_write(struct ucom_softc *ucom) 1487{ 1488 struct uhso_softc *sc = ucom->sc_parent; 1489 1490 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1491 UHSO_DPRINTF(3, "local unit %d\n", ucom->sc_local_unit); 1492 1493 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1494 1495 usbd_xfer_set_priv( 1496 sc->sc_tty[ucom->sc_local_unit].ht_xfer[UHSO_CTRL_WRITE], 1497 &sc->sc_tty[ucom->sc_local_unit]); 1498 usbd_transfer_start( 1499 sc->sc_tty[ucom->sc_local_unit].ht_xfer[UHSO_CTRL_WRITE]); 1500 1501 } 1502 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1503 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1504 } 1505} 1506 1507static void 1508uhso_ucom_stop_write(struct ucom_softc *ucom) 1509{ 1510 struct uhso_softc *sc = ucom->sc_parent; 1511 1512 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1513 usbd_transfer_stop( 1514 sc->sc_tty[ucom->sc_local_unit].ht_xfer[UHSO_CTRL_WRITE]); 1515 } 1516 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1517 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1518 } 1519} 1520 1521static int 1522uhso_attach_ifnet(struct uhso_softc *sc, struct usb_interface *iface, int type) 1523{ 1524 struct ifnet *ifp; 1525 usb_error_t uerr; 1526 struct sysctl_ctx_list *sctx; 1527 struct sysctl_oid *soid; 1528 unsigned int devunit; 1529 1530 uerr = usbd_transfer_setup(sc->sc_udev, 1531 &iface->idesc->bInterfaceNumber, sc->sc_if_xfer, 1532 uhso_ifnet_config, UHSO_IFNET_MAX, sc, &sc->sc_mtx); 1533 if (uerr) { 1534 UHSO_DPRINTF(0, "usbd_transfer_setup failed: %s\n", 1535 usbd_errstr(uerr)); 1536 return (-1); 1537 } 1538 1539 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 1540 if (sc->sc_ifp == NULL) { 1541 device_printf(sc->sc_dev, "if_alloc() failed\n"); 1542 return (-1); 1543 } 1544 1545 callout_init_mtx(&sc->sc_c, &sc->sc_mtx, 0); 1546 mtx_lock(&sc->sc_mtx); 1547 callout_reset(&sc->sc_c, 1, uhso_if_rxflush, sc); 1548 mtx_unlock(&sc->sc_mtx); 1549 1550 /* 1551 * We create our own unit numbers for ifnet devices because the 1552 * USB interface unit numbers can be at arbitrary positions yielding 1553 * odd looking device names. 1554 */ 1555 devunit = alloc_unr(uhso_ifnet_unit); 1556 1557 if_initname(ifp, device_get_name(sc->sc_dev), devunit); 1558 ifp->if_mtu = UHSO_MAX_MTU; 1559 ifp->if_ioctl = uhso_if_ioctl; 1560 ifp->if_init = uhso_if_init; 1561 ifp->if_start = uhso_if_start; 1562 ifp->if_output = uhso_if_output; 1563 ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_NOARP; 1564 ifp->if_softc = sc; 1565 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 1566 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 1567 IFQ_SET_READY(&ifp->if_snd); 1568 1569 if_attach(ifp); 1570 bpfattach(ifp, DLT_RAW, 0); 1571 1572 sctx = device_get_sysctl_ctx(sc->sc_dev); 1573 soid = device_get_sysctl_tree(sc->sc_dev); 1574 /* Unlocked read... */ 1575 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "netif", 1576 CTLFLAG_RD, ifp->if_xname, 0, "Attached network interface"); 1577 1578 return (0); 1579} 1580 1581static void 1582uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error) 1583{ 1584 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1585 struct mbuf *m; 1586 struct usb_page_cache *pc; 1587 int actlen; 1588 1589 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1590 1591 UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1592 1593 switch (USB_GET_STATE(xfer)) { 1594 case USB_ST_TRANSFERRED: 1595 if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1596 pc = usbd_xfer_get_frame(xfer, 0); 1597 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1598 usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen); 1599 m->m_pkthdr.len = m->m_len = actlen; 1600 /* Enqueue frame for further processing */ 1601 _IF_ENQUEUE(&sc->sc_rxq, m); 1602 if (!callout_pending(&sc->sc_c) || 1603 !callout_active(&sc->sc_c)) { 1604 callout_schedule(&sc->sc_c, 1); 1605 } 1606 } 1607 /* FALLTHROUGH */ 1608 case USB_ST_SETUP: 1609tr_setup: 1610 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1611 usbd_transfer_submit(xfer); 1612 break; 1613 default: 1614 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1615 if (error == USB_ERR_CANCELLED) 1616 break; 1617 usbd_xfer_set_stall(xfer); 1618 goto tr_setup; 1619 } 1620} 1621 1622/* 1623 * Deferred RX processing, called with mutex locked. 1624 * 1625 * Each frame we receive might contain several small ip-packets as well 1626 * as partial ip-packets. We need to separate/assemble them into individual 1627 * packets before sending them to the ip-layer. 1628 */ 1629static void 1630uhso_if_rxflush(void *arg) 1631{ 1632 struct uhso_softc *sc = arg; 1633 struct ifnet *ifp = sc->sc_ifp; 1634 uint8_t *cp; 1635 struct mbuf *m, *m0, *mwait; 1636 struct ip *ip; 1637#ifdef INET6 1638 struct ip6_hdr *ip6; 1639#endif 1640 uint16_t iplen; 1641 int len, isr; 1642 1643 m = NULL; 1644 mwait = sc->sc_mwait; 1645 for (;;) { 1646 if (m == NULL) { 1647 _IF_DEQUEUE(&sc->sc_rxq, m); 1648 if (m == NULL) 1649 break; 1650 UHSO_DPRINTF(3, "dequeue m=%p, len=%d\n", m, m->m_len); 1651 } 1652 mtx_unlock(&sc->sc_mtx); 1653 1654 /* Do we have a partial packet waiting? */ 1655 if (mwait != NULL) { 1656 m0 = mwait; 1657 mwait = NULL; 1658 1659 UHSO_DPRINTF(3, "partial m0=%p(%d), concat w/ m=%p(%d)\n", 1660 m0, m0->m_len, m, m->m_len); 1661 len = m->m_len + m0->m_len; 1662 1663 /* Concat mbufs and fix headers */ 1664 m_cat(m0, m); 1665 m0->m_pkthdr.len = len; 1666 m->m_flags &= ~M_PKTHDR; 1667 1668 m = m_pullup(m0, sizeof(struct ip)); 1669 if (m == NULL) { 1670 ifp->if_ierrors++; 1671 UHSO_DPRINTF(0, "m_pullup failed\n"); 1672 mtx_lock(&sc->sc_mtx); 1673 continue; 1674 } 1675 UHSO_DPRINTF(3, "Constructed mbuf=%p, len=%d\n", 1676 m, m->m_pkthdr.len); 1677 } 1678 1679 cp = mtod(m, uint8_t *); 1680 ip = (struct ip *)cp; 1681#ifdef INET6 1682 ip6 = (struct ip6_hdr *)cp; 1683#endif 1684 1685 /* Check for IPv4 */ 1686 if (ip->ip_v == IPVERSION) { 1687 iplen = htons(ip->ip_len); 1688 isr = NETISR_IP; 1689 } 1690#ifdef INET6 1691 /* Check for IPv6 */ 1692 else if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION) { 1693 iplen = htons(ip6->ip6_plen); 1694 isr = NETISR_IPV6; 1695 } 1696#endif 1697 else { 1698 UHSO_DPRINTF(0, "got unexpected ip version %d, " 1699 "m=%p, len=%d\n", (*cp & 0xf0) >> 4, m, m->m_len); 1700 ifp->if_ierrors++; 1701 UHSO_HEXDUMP(cp, 4); 1702 m_freem(m); 1703 m = NULL; 1704 mtx_lock(&sc->sc_mtx); 1705 continue; 1706 } 1707 1708 if (iplen == 0) { 1709 UHSO_DPRINTF(0, "Zero IP length\n"); 1710 ifp->if_ierrors++; 1711 m_freem(m); 1712 m = NULL; 1713 mtx_lock(&sc->sc_mtx); 1714 continue; 1715 } 1716 1717 UHSO_DPRINTF(3, "m=%p, len=%d, cp=%p, iplen=%d\n", 1718 m, m->m_pkthdr.len, cp, iplen); 1719 1720 m0 = NULL; 1721 1722 /* More IP packets in this mbuf */ 1723 if (iplen < m->m_pkthdr.len) { 1724 m0 = m; 1725 1726 /* 1727 * Allocate a new mbuf for this IP packet and 1728 * copy the IP-packet into it. 1729 */ 1730 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1731 bcopy(mtod(m0, uint8_t *), mtod(m, uint8_t *), iplen); 1732 m->m_pkthdr.len = m->m_len = iplen; 1733 1734 /* Adjust the size of the original mbuf */ 1735 m_adj(m0, iplen); 1736 m0 = m_defrag(m0, M_WAIT); 1737 1738 UHSO_DPRINTF(3, "New mbuf=%p, len=%d/%d, m0=%p, " 1739 "m0_len=%d/%d\n", m, m->m_pkthdr.len, m->m_len, 1740 m0, m0->m_pkthdr.len, m0->m_len); 1741 } 1742 else if (iplen > m->m_pkthdr.len) { 1743 UHSO_DPRINTF(3, "Deferred mbuf=%p, len=%d\n", 1744 m, m->m_pkthdr.len); 1745 mwait = m; 1746 m = NULL; 1747 mtx_lock(&sc->sc_mtx); 1748 continue; 1749 } 1750 1751 ifp->if_ipackets++; 1752 m->m_pkthdr.rcvif = ifp; 1753 1754 /* Dispatch to IP layer */ 1755 BPF_MTAP(sc->sc_ifp, m); 1756 netisr_dispatch(isr, m); 1757 m = m0 != NULL ? m0 : NULL; 1758 mtx_lock(&sc->sc_mtx); 1759 } 1760 sc->sc_mwait = mwait; 1761} 1762 1763static void 1764uhso_ifnet_write_callback(struct usb_xfer *xfer, usb_error_t error) 1765{ 1766 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1767 struct ifnet *ifp = sc->sc_ifp; 1768 struct usb_page_cache *pc; 1769 struct mbuf *m; 1770 int actlen; 1771 1772 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1773 1774 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1775 1776 switch (USB_GET_STATE(xfer)) { 1777 case USB_ST_TRANSFERRED: 1778 ifp->if_opackets++; 1779 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1780 case USB_ST_SETUP: 1781tr_setup: 1782 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1783 if (m == NULL) 1784 break; 1785 1786 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1787 1788 if (m->m_pkthdr.len > MCLBYTES) 1789 m->m_pkthdr.len = MCLBYTES; 1790 1791 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 1792 pc = usbd_xfer_get_frame(xfer, 0); 1793 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 1794 usbd_transfer_submit(xfer); 1795 1796 BPF_MTAP(ifp, m); 1797 m_freem(m); 1798 break; 1799 default: 1800 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1801 if (error == USB_ERR_CANCELLED) 1802 break; 1803 usbd_xfer_set_stall(xfer); 1804 goto tr_setup; 1805 } 1806} 1807 1808static int 1809uhso_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1810{ 1811 struct uhso_softc *sc; 1812 1813 sc = ifp->if_softc; 1814 1815 switch (cmd) { 1816 case SIOCSIFFLAGS: 1817 if (ifp->if_flags & IFF_UP) { 1818 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1819 uhso_if_init(sc); 1820 } 1821 } 1822 else { 1823 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1824 mtx_lock(&sc->sc_mtx); 1825 uhso_if_stop(sc); 1826 mtx_unlock(&sc->sc_mtx); 1827 } 1828 } 1829 break; 1830 case SIOCSIFADDR: 1831 case SIOCSIFDSTADDR: 1832 case SIOCADDMULTI: 1833 case SIOCDELMULTI: 1834 break; 1835 default: 1836 return (EINVAL); 1837 } 1838 return (0); 1839} 1840 1841static void 1842uhso_if_init(void *priv) 1843{ 1844 struct uhso_softc *sc = priv; 1845 struct ifnet *ifp = sc->sc_ifp; 1846 1847 mtx_lock(&sc->sc_mtx); 1848 uhso_if_stop(sc); 1849 ifp = sc->sc_ifp; 1850 ifp->if_flags |= IFF_UP; 1851 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1852 mtx_unlock(&sc->sc_mtx); 1853 1854 UHSO_DPRINTF(2, "ifnet initialized\n"); 1855} 1856 1857static int 1858uhso_if_output(struct ifnet *ifp, struct mbuf *m0, struct sockaddr *dst, 1859 struct route *ro) 1860{ 1861 int error; 1862 1863 /* Only IPv4/6 support */ 1864 if (dst->sa_family != AF_INET 1865#ifdef INET6 1866 && dst->sa_family != AF_INET6 1867#endif 1868 ) { 1869 return (EAFNOSUPPORT); 1870 } 1871 1872 error = (ifp->if_transmit)(ifp, m0); 1873 if (error) { 1874 ifp->if_oerrors++; 1875 return (ENOBUFS); 1876 } 1877 ifp->if_opackets++; 1878 return (0); 1879} 1880 1881static void 1882uhso_if_start(struct ifnet *ifp) 1883{ 1884 struct uhso_softc *sc = ifp->if_softc; 1885 1886 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1887 UHSO_DPRINTF(1, "Not running\n"); 1888 return; 1889 } 1890 1891 mtx_lock(&sc->sc_mtx); 1892 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); 1893 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1894 mtx_unlock(&sc->sc_mtx); 1895 UHSO_DPRINTF(3, "interface started\n"); 1896} 1897 1898static void 1899uhso_if_stop(struct uhso_softc *sc) 1900{ 1901 1902 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); 1903 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1904 sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1905} 1906