uhso.c revision 260903
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 260903 2014-01-20 07:09:19Z 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_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 71struct 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 79struct 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 174static eventhandler_tag uhso_etag; 175 176/* Overall port type */ 177static 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 */ 189static 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}; 203static char uhso_port_map_max = sizeof(uhso_port_map) / sizeof(char); 204 205static 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 213static 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 229static 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 */ 249static struct unrhdr *uhso_ifnet_unit = NULL; 250 251static 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 289static SYSCTL_NODE(_hw_usb, OID_AUTO, uhso, CTLFLAG_RW, 0, "USB uhso"); 290static int uhso_autoswitch = 1; 291SYSCTL_INT(_hw_usb_uhso, OID_AUTO, auto_switch, CTLFLAG_RW, 292 &uhso_autoswitch, 0, "Automatically switch to modem mode"); 293 294#ifdef USB_DEBUG 295#ifdef UHSO_DEBUG 296static int uhso_debug = UHSO_DEBUG; 297#else 298static int uhso_debug = -1; 299#endif 300 301SYSCTL_INT(_hw_usb_uhso, OID_AUTO, debug, CTLFLAG_RW, 302 &uhso_debug, 0, "Debug level"); 303 304#define UHSO_DPRINTF(n, x, ...) {\ 305 if (uhso_debug >= n) {\ 306 printf("%s: " x, __func__, ##__VA_ARGS__);\ 307 }\ 308} 309#else 310#define UHSO_DPRINTF(n, x, ...) 311#endif 312 313#ifdef UHSO_DEBUG_HEXDUMP 314# define UHSO_HEXDUMP(_buf, _len) do { \ 315 { \ 316 size_t __tmp; \ 317 const char *__buf = (const char *)_buf; \ 318 for (__tmp = 0; __tmp < _len; __tmp++) \ 319 printf("%02hhx ", *__buf++); \ 320 printf("\n"); \ 321 } \ 322} while(0) 323#else 324# define UHSO_HEXDUMP(_buf, _len) 325#endif 326 327enum { 328 UHSO_MUX_ENDPT_INTR = 0, 329 UHSO_MUX_ENDPT_MAX 330}; 331 332enum { 333 UHSO_CTRL_READ = 0, 334 UHSO_CTRL_WRITE, 335 UHSO_CTRL_MAX 336}; 337 338enum { 339 UHSO_IFNET_READ = 0, 340 UHSO_IFNET_WRITE, 341 UHSO_IFNET_MAX 342}; 343 344enum { 345 UHSO_BULK_ENDPT_READ = 0, 346 UHSO_BULK_ENDPT_WRITE, 347 UHSO_BULK_ENDPT_INTR, 348 UHSO_BULK_ENDPT_MAX 349}; 350 351static usb_callback_t uhso_mux_intr_callback; 352static usb_callback_t uhso_mux_read_callback; 353static usb_callback_t uhso_mux_write_callback; 354static usb_callback_t uhso_bs_read_callback; 355static usb_callback_t uhso_bs_write_callback; 356static usb_callback_t uhso_bs_intr_callback; 357static usb_callback_t uhso_ifnet_read_callback; 358static usb_callback_t uhso_ifnet_write_callback; 359 360/* Config used for the default control pipes */ 361static 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 */ 383static 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 */ 395static 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 */ 416static 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 445static int uhso_probe_iface(struct uhso_softc *, int, 446 int (*probe)(struct usb_device *, int)); 447static int uhso_probe_iface_auto(struct usb_device *, int); 448static int uhso_probe_iface_static(struct usb_device *, int); 449static int uhso_attach_muxserial(struct uhso_softc *, struct usb_interface *, 450 int type); 451static int uhso_attach_bulkserial(struct uhso_softc *, struct usb_interface *, 452 int type); 453static int uhso_attach_ifnet(struct uhso_softc *, struct usb_interface *, 454 int type); 455static void uhso_test_autoinst(void *, struct usb_device *, 456 struct usb_attach_arg *); 457static int uhso_driver_loaded(struct module *, int, void *); 458static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS); 459static int uhso_radio_ctrl(struct uhso_softc *, int); 460 461static void uhso_free(struct ucom_softc *); 462static void uhso_ucom_start_read(struct ucom_softc *); 463static void uhso_ucom_stop_read(struct ucom_softc *); 464static void uhso_ucom_start_write(struct ucom_softc *); 465static void uhso_ucom_stop_write(struct ucom_softc *); 466static void uhso_ucom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 467static void uhso_ucom_cfg_set_dtr(struct ucom_softc *, uint8_t); 468static void uhso_ucom_cfg_set_rts(struct ucom_softc *, uint8_t); 469static void uhso_if_init(void *); 470static void uhso_if_start(struct ifnet *); 471static void uhso_if_stop(struct uhso_softc *); 472static int uhso_if_ioctl(struct ifnet *, u_long, caddr_t); 473static int uhso_if_output(struct ifnet *, struct mbuf *, 474 const struct sockaddr *, struct route *); 475static void uhso_if_rxflush(void *); 476 477static device_probe_t uhso_probe; 478static device_attach_t uhso_attach; 479static device_detach_t uhso_detach; 480static void uhso_free_softc(struct uhso_softc *); 481 482static 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 489static driver_t uhso_driver = { 490 .name = "uhso", 491 .methods = uhso_methods, 492 .size = sizeof(struct uhso_softc) 493}; 494 495static devclass_t uhso_devclass; 496DRIVER_MODULE(uhso, uhub, uhso_driver, uhso_devclass, uhso_driver_loaded, 0); 497MODULE_DEPEND(uhso, ucom, 1, 1, 1); 498MODULE_DEPEND(uhso, usb, 1, 1, 1); 499MODULE_VERSION(uhso, 1); 500 501static struct ucom_callback uhso_ucom_callback = { 502 .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, 503 .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, 504 .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, 505 .ucom_start_read = uhso_ucom_start_read, 506 .ucom_stop_read = uhso_ucom_stop_read, 507 .ucom_start_write = uhso_ucom_start_write, 508 .ucom_stop_write = uhso_ucom_stop_write, 509 .ucom_free = &uhso_free, 510}; 511 512static int 513uhso_probe(device_t self) 514{ 515 struct usb_attach_arg *uaa = device_get_ivars(self); 516 int error; 517 518 if (uaa->usb_mode != USB_MODE_HOST) 519 return (ENXIO); 520 if (uaa->info.bConfigIndex != 0) 521 return (ENXIO); 522 if (uaa->info.bDeviceClass != 0xff) 523 return (ENXIO); 524 525 error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); 526 if (error != 0) 527 return (error); 528 529 /* 530 * Probe device to see if we are able to attach 531 * to this interface or not. 532 */ 533 if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { 534 if (uhso_probe_iface_auto(uaa->device, 535 uaa->info.bIfaceNum) == 0) 536 return (ENXIO); 537 } 538 return (error); 539} 540 541static int 542uhso_attach(device_t self) 543{ 544 struct uhso_softc *sc = device_get_softc(self); 545 struct usb_attach_arg *uaa = device_get_ivars(self); 546 struct usb_interface_descriptor *id; 547 struct sysctl_ctx_list *sctx; 548 struct sysctl_oid *soid; 549 struct sysctl_oid *tree = NULL, *tty_node; 550 struct ucom_softc *ucom; 551 struct uhso_tty *ht; 552 int i, error, port; 553 void *probe_f; 554 usb_error_t uerr; 555 char *desc; 556 557 sc->sc_dev = self; 558 sc->sc_udev = uaa->device; 559 mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); 560 ucom_ref(&sc->sc_super_ucom); 561 562 sc->sc_ucom = NULL; 563 sc->sc_ttys = 0; 564 sc->sc_radio = 1; 565 566 id = usbd_get_interface_descriptor(uaa->iface); 567 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 568 569 sc->sc_iface_no = uaa->info.bIfaceNum; 570 sc->sc_iface_index = uaa->info.bIfaceIndex; 571 572 /* Setup control pipe */ 573 uerr = usbd_transfer_setup(uaa->device, 574 &sc->sc_iface_index, sc->sc_ctrl_xfer, 575 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 576 if (uerr) { 577 device_printf(self, "Failed to setup control pipe: %s\n", 578 usbd_errstr(uerr)); 579 goto out; 580 } 581 582 if (USB_GET_DRIVER_INFO(uaa) == UHSO_STATIC_IFACE) 583 probe_f = uhso_probe_iface_static; 584 else if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) 585 probe_f = uhso_probe_iface_auto; 586 else 587 goto out; 588 589 error = uhso_probe_iface(sc, uaa->info.bIfaceNum, probe_f); 590 if (error != 0) 591 goto out; 592 593 sctx = device_get_sysctl_ctx(sc->sc_dev); 594 soid = device_get_sysctl_tree(sc->sc_dev); 595 596 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "type", 597 CTLFLAG_RD, uhso_port[UHSO_IFACE_PORT(sc->sc_type)], 0, 598 "Port available at this interface"); 599 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "radio", 600 CTLTYPE_INT | CTLFLAG_RW, sc, 0, uhso_radio_sysctl, "I", "Enable radio"); 601 602 /* 603 * The default interface description on most Option devices isn't 604 * very helpful. So we skip device_set_usb_desc and set the 605 * device description manually. 606 */ 607 device_set_desc_copy(self, uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)]); 608 /* Announce device */ 609 device_printf(self, "<%s port> at <%s %s> on %s\n", 610 uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)], 611 usb_get_manufacturer(uaa->device), 612 usb_get_product(uaa->device), 613 device_get_nameunit(device_get_parent(self))); 614 615 if (sc->sc_ttys > 0) { 616 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports", 617 CTLFLAG_RD, &sc->sc_ttys, 0, "Number of attached serial ports"); 618 619 tree = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 620 "port", CTLFLAG_RD, NULL, "Serial ports"); 621 } 622 623 /* 624 * Loop through the number of found TTYs and create sysctl 625 * nodes for them. 626 */ 627 for (i = 0; i < sc->sc_ttys; i++) { 628 ht = &sc->sc_tty[i]; 629 ucom = &sc->sc_ucom[i]; 630 631 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) 632 port = uhso_mux_port_map[ht->ht_muxport]; 633 else 634 port = UHSO_IFACE_PORT_TYPE(sc->sc_type); 635 636 desc = uhso_port_type_sysctl[port]; 637 638 tty_node = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(tree), OID_AUTO, 639 desc, CTLFLAG_RD, NULL, ""); 640 641 ht->ht_name[0] = 0; 642 if (sc->sc_ttys == 1) 643 snprintf(ht->ht_name, 32, "cuaU%d", ucom->sc_super->sc_unit); 644 else { 645 snprintf(ht->ht_name, 32, "cuaU%d.%d", 646 ucom->sc_super->sc_unit, ucom->sc_subunit); 647 } 648 649 desc = uhso_port_type[port]; 650 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 651 "tty", CTLFLAG_RD, ht->ht_name, 0, ""); 652 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 653 "desc", CTLFLAG_RD, desc, 0, ""); 654 655 if (bootverbose) 656 device_printf(sc->sc_dev, 657 "\"%s\" port at %s\n", desc, ht->ht_name); 658 } 659 660 return (0); 661out: 662 uhso_detach(sc->sc_dev); 663 return (ENXIO); 664} 665 666static int 667uhso_detach(device_t self) 668{ 669 struct uhso_softc *sc = device_get_softc(self); 670 int i; 671 672 usbd_transfer_unsetup(sc->sc_xfer, 3); 673 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); 674 if (sc->sc_ttys > 0) { 675 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 676 677 for (i = 0; i < sc->sc_ttys; i++) { 678 if (sc->sc_tty[i].ht_muxport != -1) { 679 usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, 680 UHSO_CTRL_MAX); 681 } 682 } 683 684 free(sc->sc_tty, M_USBDEV); 685 free(sc->sc_ucom, M_USBDEV); 686 } 687 688 if (sc->sc_ifp != NULL) { 689 callout_drain(&sc->sc_c); 690 free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); 691 mtx_lock(&sc->sc_mtx); 692 uhso_if_stop(sc); 693 bpfdetach(sc->sc_ifp); 694 if_detach(sc->sc_ifp); 695 if_free(sc->sc_ifp); 696 mtx_unlock(&sc->sc_mtx); 697 usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); 698 } 699 700 device_claim_softc(self); 701 702 uhso_free_softc(sc); 703 704 return (0); 705} 706 707UCOM_UNLOAD_DRAIN(uhso); 708 709static void 710uhso_free_softc(struct uhso_softc *sc) 711{ 712 if (ucom_unref(&sc->sc_super_ucom)) { 713 mtx_destroy(&sc->sc_mtx); 714 device_free_softc(sc); 715 } 716} 717 718static void 719uhso_free(struct ucom_softc *ucom) 720{ 721 uhso_free_softc(ucom->sc_parent); 722} 723 724static void 725uhso_test_autoinst(void *arg, struct usb_device *udev, 726 struct usb_attach_arg *uaa) 727{ 728 struct usb_interface *iface; 729 struct usb_interface_descriptor *id; 730 731 if (uaa->dev_state != UAA_DEV_READY || !uhso_autoswitch) 732 return; 733 734 iface = usbd_get_iface(udev, 0); 735 if (iface == NULL) 736 return; 737 id = iface->idesc; 738 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 739 return; 740 if (usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa)) 741 return; /* no device match */ 742 743 if (usb_msc_eject(udev, 0, MSC_EJECT_REZERO) == 0) { 744 /* success, mark the udev as disappearing */ 745 uaa->dev_state = UAA_DEV_EJECTING; 746 } 747} 748 749static int 750uhso_driver_loaded(struct module *mod, int what, void *arg) 751{ 752 switch (what) { 753 case MOD_LOAD: 754 /* register our autoinstall handler */ 755 uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 756 uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); 757 /* create our unit allocator for inet devs */ 758 uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL); 759 break; 760 case MOD_UNLOAD: 761 EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag); 762 delete_unrhdr(uhso_ifnet_unit); 763 break; 764 default: 765 return (EOPNOTSUPP); 766 } 767 return (0); 768} 769 770/* 771 * Probe the interface type by querying the device. The elements 772 * of an array indicates the capabilities of a particular interface. 773 * Returns a bit mask with the interface capabilities. 774 */ 775static int 776uhso_probe_iface_auto(struct usb_device *udev, int index) 777{ 778 struct usb_device_request req; 779 usb_error_t uerr; 780 uint16_t actlen = 0; 781 char port; 782 char buf[17] = {0}; 783 784 req.bmRequestType = UT_READ_VENDOR_DEVICE; 785 req.bRequest = 0x86; 786 USETW(req.wValue, 0); 787 USETW(req.wIndex, 0); 788 USETW(req.wLength, 17); 789 790 uerr = usbd_do_request_flags(udev, NULL, &req, buf, 791 0, &actlen, USB_MS_HZ); 792 if (uerr != 0) { 793 printf("%s: usbd_do_request_flags failed, %s\n", 794 __func__, usbd_errstr(uerr)); 795 return (0); 796 } 797 798 UHSO_DPRINTF(1, "actlen=%d\n", actlen); 799 UHSO_HEXDUMP(buf, 17); 800 801 if (index < 0 || index > 16) { 802 UHSO_DPRINTF(0, "Index %d out of range\n", index); 803 return (0); 804 } 805 806 UHSO_DPRINTF(1, "index=%d, type=%x[%s]\n", index, buf[index], 807 uhso_port_type[(int)uhso_port_map[(int)buf[index]]]); 808 809 if (buf[index] >= uhso_port_map_max) 810 port = 0; 811 else 812 port = uhso_port_map[(int)buf[index]]; 813 814 switch (port) { 815 case UHSO_PORT_TYPE_NETWORK: 816 return (UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 817 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, port)); 818 case UHSO_PORT_TYPE_DIAG: 819 case UHSO_PORT_TYPE_DIAG2: 820 case UHSO_PORT_TYPE_GPS: 821 case UHSO_PORT_TYPE_GPSCTL: 822 case UHSO_PORT_TYPE_CTL: 823 case UHSO_PORT_TYPE_APP: 824 case UHSO_PORT_TYPE_APP2: 825 case UHSO_PORT_TYPE_MODEM: 826 return (UHSO_IFACE_SPEC(UHSO_IF_BULK, 827 UHSO_PORT_SERIAL, port)); 828 case UHSO_PORT_TYPE_MSD: 829 return (0); 830 case UHSO_PORT_TYPE_UNKNOWN: 831 default: 832 return (0); 833 } 834 835 return (0); 836} 837 838/* 839 * Returns the capabilities of interfaces for devices that don't 840 * support the automatic query. 841 * Returns a bit mask with the interface capabilities. 842 */ 843static int 844uhso_probe_iface_static(struct usb_device *udev, int index) 845{ 846 struct usb_config_descriptor *cd; 847 848 cd = usbd_get_config_descriptor(udev); 849 if (cd->bNumInterface <= 3) { 850 /* Cards with 3 or less interfaces */ 851 switch (index) { 852 case 0: 853 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 854 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 855 UHSO_PORT_TYPE_NETWORK); 856 case 1: 857 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 858 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 859 case 2: 860 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 861 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 862 } 863 } else { 864 /* Cards with 4 interfaces */ 865 switch (index) { 866 case 0: 867 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 868 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 869 UHSO_PORT_TYPE_NETWORK); 870 case 1: 871 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 872 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG2); 873 case 2: 874 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 875 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 876 case 3: 877 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 878 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 879 } 880 } 881 return (0); 882} 883 884/* 885 * Probes an interface for its particular capabilities and attaches if 886 * it's a supported interface. 887 */ 888static int 889uhso_probe_iface(struct uhso_softc *sc, int index, 890 int (*probe)(struct usb_device *, int)) 891{ 892 struct usb_interface *iface; 893 int type, error; 894 895 UHSO_DPRINTF(1, "Probing for interface %d, probe_func=%p\n", index, probe); 896 897 type = probe(sc->sc_udev, index); 898 UHSO_DPRINTF(1, "Probe result %x\n", type); 899 if (type <= 0) 900 return (ENXIO); 901 902 sc->sc_type = type; 903 iface = usbd_get_iface(sc->sc_udev, index); 904 905 if (UHSO_IFACE_PORT_TYPE(type) == UHSO_PORT_TYPE_NETWORK) { 906 error = uhso_attach_ifnet(sc, iface, type); 907 if (error) { 908 UHSO_DPRINTF(1, "uhso_attach_ifnet failed"); 909 return (ENXIO); 910 } 911 912 /* 913 * If there is an additional interrupt endpoint on this 914 * interface then we most likely have a multiplexed serial port 915 * available. 916 */ 917 if (iface->idesc->bNumEndpoints < 3) { 918 sc->sc_type = UHSO_IFACE_SPEC( 919 UHSO_IFACE_USB_TYPE(type) & ~UHSO_IF_MUX, 920 UHSO_IFACE_PORT(type) & ~UHSO_PORT_SERIAL, 921 UHSO_IFACE_PORT_TYPE(type)); 922 return (0); 923 } 924 925 UHSO_DPRINTF(1, "Trying to attach mux. serial\n"); 926 error = uhso_attach_muxserial(sc, iface, type); 927 if (error == 0 && sc->sc_ttys > 0) { 928 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 929 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 930 if (error) { 931 device_printf(sc->sc_dev, "ucom_attach failed\n"); 932 return (ENXIO); 933 } 934 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); 935 936 mtx_lock(&sc->sc_mtx); 937 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 938 mtx_unlock(&sc->sc_mtx); 939 } 940 } else if ((UHSO_IFACE_USB_TYPE(type) & UHSO_IF_BULK) && 941 UHSO_IFACE_PORT(type) & UHSO_PORT_SERIAL) { 942 943 error = uhso_attach_bulkserial(sc, iface, type); 944 if (error) 945 return (ENXIO); 946 947 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 948 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 949 if (error) { 950 device_printf(sc->sc_dev, "ucom_attach failed\n"); 951 return (ENXIO); 952 } 953 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); 954 } 955 else { 956 UHSO_DPRINTF(0, "Unknown type %x\n", type); 957 return (ENXIO); 958 } 959 960 return (0); 961} 962 963static int 964uhso_radio_ctrl(struct uhso_softc *sc, int onoff) 965{ 966 struct usb_device_request req; 967 usb_error_t uerr; 968 969 req.bmRequestType = UT_VENDOR; 970 req.bRequest = onoff ? 0x82 : 0x81; 971 USETW(req.wValue, 0); 972 USETW(req.wIndex, 0); 973 USETW(req.wLength, 0); 974 975 uerr = usbd_do_request(sc->sc_udev, NULL, &req, NULL); 976 if (uerr != 0) { 977 device_printf(sc->sc_dev, "usbd_do_request_flags failed: %s\n", 978 usbd_errstr(uerr)); 979 return (-1); 980 } 981 return (onoff); 982} 983 984static int 985uhso_radio_sysctl(SYSCTL_HANDLER_ARGS) 986{ 987 struct uhso_softc *sc = arg1; 988 int error, radio; 989 990 radio = sc->sc_radio; 991 error = sysctl_handle_int(oidp, &radio, 0, req); 992 if (error) 993 return (error); 994 if (radio != sc->sc_radio) { 995 radio = radio != 0 ? 1 : 0; 996 error = uhso_radio_ctrl(sc, radio); 997 if (error != -1) 998 sc->sc_radio = radio; 999 1000 } 1001 return (0); 1002} 1003 1004/* 1005 * Expands allocated memory to fit an additional TTY. 1006 * Two arrays are kept with matching indexes, one for ucom and one 1007 * for our private data. 1008 */ 1009static int 1010uhso_alloc_tty(struct uhso_softc *sc) 1011{ 1012 1013 sc->sc_ttys++; 1014 sc->sc_tty = reallocf(sc->sc_tty, sizeof(struct uhso_tty) * sc->sc_ttys, 1015 M_USBDEV, M_WAITOK | M_ZERO); 1016 if (sc->sc_tty == NULL) 1017 return (-1); 1018 1019 sc->sc_ucom = reallocf(sc->sc_ucom, 1020 sizeof(struct ucom_softc) * sc->sc_ttys, M_USBDEV, M_WAITOK | M_ZERO); 1021 if (sc->sc_ucom == NULL) 1022 return (-1); 1023 1024 sc->sc_tty[sc->sc_ttys - 1].ht_sc = sc; 1025 1026 UHSO_DPRINTF(1, "Allocated TTY %d\n", sc->sc_ttys - 1); 1027 return (sc->sc_ttys - 1); 1028} 1029 1030/* 1031 * Attach a multiplexed serial port 1032 * Data is read/written with requests on the default control pipe. An interrupt 1033 * endpoint returns when there is new data to be read. 1034 */ 1035static int 1036uhso_attach_muxserial(struct uhso_softc *sc, struct usb_interface *iface, 1037 int type) 1038{ 1039 struct usb_descriptor *desc; 1040 int i, port, tty; 1041 usb_error_t uerr; 1042 1043 /* 1044 * The class specific interface (type 0x24) descriptor subtype field 1045 * contains a bitmask that specifies which (and how many) ports that 1046 * are available through this multiplexed serial port. 1047 */ 1048 desc = usbd_find_descriptor(sc->sc_udev, NULL, 1049 iface->idesc->bInterfaceNumber, UDESC_CS_INTERFACE, 0xff, 0, 0); 1050 if (desc == NULL) { 1051 UHSO_DPRINTF(0, "Failed to find UDESC_CS_INTERFACE\n"); 1052 return (ENXIO); 1053 } 1054 1055 UHSO_DPRINTF(1, "Mux port mask %x\n", desc->bDescriptorSubtype); 1056 if (desc->bDescriptorSubtype == 0) 1057 return (ENXIO); 1058 1059 /* 1060 * The bitmask is one octet, loop through the number of 1061 * bits that are set and create a TTY for each. 1062 */ 1063 for (i = 0; i < 8; i++) { 1064 port = (1 << i); 1065 if ((port & desc->bDescriptorSubtype) == port) { 1066 UHSO_DPRINTF(2, "Found mux port %x (%d)\n", port, i); 1067 tty = uhso_alloc_tty(sc); 1068 if (tty < 0) 1069 return (ENOMEM); 1070 sc->sc_tty[tty].ht_muxport = i; 1071 uerr = usbd_transfer_setup(sc->sc_udev, 1072 &sc->sc_iface_index, sc->sc_tty[tty].ht_xfer, 1073 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 1074 if (uerr) { 1075 device_printf(sc->sc_dev, 1076 "Failed to setup control pipe: %s\n", 1077 usbd_errstr(uerr)); 1078 return (ENXIO); 1079 } 1080 } 1081 } 1082 1083 /* Setup the intr. endpoint */ 1084 uerr = usbd_transfer_setup(sc->sc_udev, 1085 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1086 uhso_mux_config, 1, sc, &sc->sc_mtx); 1087 if (uerr) 1088 return (ENXIO); 1089 1090 return (0); 1091} 1092 1093/* 1094 * Interrupt callback for the multiplexed serial port. Indicates 1095 * which serial port has data waiting. 1096 */ 1097static void 1098uhso_mux_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1099{ 1100 struct usb_page_cache *pc; 1101 struct usb_page_search res; 1102 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1103 unsigned int i, mux; 1104 1105 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1106 1107 switch (USB_GET_STATE(xfer)) { 1108 case USB_ST_TRANSFERRED: 1109 /* 1110 * The multiplexed port number can be found at the first byte. 1111 * It contains a bit mask, we transform this in to an integer. 1112 */ 1113 pc = usbd_xfer_get_frame(xfer, 0); 1114 usbd_get_page(pc, 0, &res); 1115 1116 i = *((unsigned char *)res.buffer); 1117 mux = 0; 1118 while (i >>= 1) { 1119 mux++; 1120 } 1121 1122 UHSO_DPRINTF(3, "mux port %d (%d)\n", mux, i); 1123 if (mux > UHSO_MPORT_TYPE_NOMAX) 1124 break; 1125 1126 /* Issue a read for this serial port */ 1127 usbd_xfer_set_priv( 1128 sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ], 1129 &sc->sc_tty[mux]); 1130 usbd_transfer_start(sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ]); 1131 1132 break; 1133 case USB_ST_SETUP: 1134tr_setup: 1135 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1136 usbd_transfer_submit(xfer); 1137 break; 1138 default: 1139 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1140 if (error == USB_ERR_CANCELLED) 1141 break; 1142 1143 usbd_xfer_set_stall(xfer); 1144 goto tr_setup; 1145 } 1146} 1147 1148static void 1149uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error) 1150{ 1151 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1152 struct usb_page_cache *pc; 1153 struct usb_device_request req; 1154 struct uhso_tty *ht; 1155 int actlen, len; 1156 1157 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1158 1159 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1160 1161 ht = usbd_xfer_get_priv(xfer); 1162 UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open); 1163 1164 switch (USB_GET_STATE(xfer)) { 1165 case USB_ST_TRANSFERRED: 1166 /* Got data, send to ucom */ 1167 pc = usbd_xfer_get_frame(xfer, 1); 1168 len = usbd_xfer_frame_len(xfer, 1); 1169 1170 UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len, 1171 ht->ht_muxport); 1172 if (len <= 0) { 1173 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1174 break; 1175 } 1176 1177 /* Deliver data if the TTY is open, discard otherwise */ 1178 if (ht->ht_open) 1179 ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len); 1180 /* FALLTHROUGH */ 1181 case USB_ST_SETUP: 1182tr_setup: 1183 memset(&req, 0, sizeof(struct usb_device_request)); 1184 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1185 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1186 USETW(req.wValue, 0); 1187 USETW(req.wIndex, ht->ht_muxport); 1188 USETW(req.wLength, 1024); 1189 1190 pc = usbd_xfer_get_frame(xfer, 0); 1191 usbd_copy_in(pc, 0, &req, sizeof(req)); 1192 1193 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1194 usbd_xfer_set_frame_len(xfer, 1, 1024); 1195 usbd_xfer_set_frames(xfer, 2); 1196 usbd_transfer_submit(xfer); 1197 break; 1198 default: 1199 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1200 if (error == USB_ERR_CANCELLED) 1201 break; 1202 usbd_xfer_set_stall(xfer); 1203 goto tr_setup; 1204 } 1205} 1206 1207static void 1208uhso_mux_write_callback(struct usb_xfer *xfer, usb_error_t error) 1209{ 1210 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1211 struct uhso_tty *ht; 1212 struct usb_page_cache *pc; 1213 struct usb_device_request req; 1214 int actlen; 1215 struct usb_page_search res; 1216 1217 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1218 1219 ht = usbd_xfer_get_priv(xfer); 1220 UHSO_DPRINTF(3, "status=%d, using mux port %d\n", 1221 USB_GET_STATE(xfer), ht->ht_muxport); 1222 1223 switch (USB_GET_STATE(xfer)) { 1224 case USB_ST_TRANSFERRED: 1225 UHSO_DPRINTF(3, "wrote %zd data bytes to muxport %d\n", 1226 actlen - sizeof(struct usb_device_request) , 1227 ht->ht_muxport); 1228 /* FALLTHROUGH */ 1229 case USB_ST_SETUP: 1230 pc = usbd_xfer_get_frame(xfer, 1); 1231 if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 1232 0, 32, &actlen)) { 1233 1234 usbd_get_page(pc, 0, &res); 1235 1236 memset(&req, 0, sizeof(struct usb_device_request)); 1237 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1238 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1239 USETW(req.wValue, 0); 1240 USETW(req.wIndex, ht->ht_muxport); 1241 USETW(req.wLength, actlen); 1242 1243 pc = usbd_xfer_get_frame(xfer, 0); 1244 usbd_copy_in(pc, 0, &req, sizeof(req)); 1245 1246 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1247 usbd_xfer_set_frame_len(xfer, 1, actlen); 1248 usbd_xfer_set_frames(xfer, 2); 1249 1250 UHSO_DPRINTF(3, "Prepared %d bytes for transmit " 1251 "on muxport %d\n", actlen, ht->ht_muxport); 1252 1253 usbd_transfer_submit(xfer); 1254 } 1255 break; 1256 default: 1257 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1258 if (error == USB_ERR_CANCELLED) 1259 break; 1260 break; 1261 } 1262} 1263 1264static int 1265uhso_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 1296static void 1297uhso_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: 1313tr_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 1326static void 1327uhso_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: 1340tr_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 1357static void 1358uhso_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 1379static void 1380uhso_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: 1426tr_setup: 1427 default: 1428 if (error == USB_ERR_CANCELLED) 1429 break; 1430 usbd_xfer_set_stall(xfer); 1431 goto tr_setup; 1432 } 1433} 1434 1435static void 1436uhso_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 1444static void 1445uhso_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 1460static void 1461uhso_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 1476static void 1477uhso_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 1496static void 1497uhso_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 1515static void 1516uhso_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 1537static void 1538uhso_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 1551static int 1552uhso_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 1611static void 1612uhso_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: 1639tr_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 */ 1659static void 1660uhso_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 len, 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 len = m->m_len + m0->m_len; 1692 1693 /* Concat mbufs and fix headers */ 1694 m_cat(m0, m); 1695 m0->m_pkthdr.len = len; 1696 m->m_flags &= ~M_PKTHDR; 1697 1698 m = m_pullup(m0, sizeof(struct ip)); 1699 if (m == NULL) { 1700 ifp->if_ierrors++; 1701 UHSO_DPRINTF(0, "m_pullup failed\n"); 1702 mtx_lock(&sc->sc_mtx); 1703 continue; 1704 } 1705 UHSO_DPRINTF(3, "Constructed mbuf=%p, len=%d\n", 1706 m, m->m_pkthdr.len); 1707 } 1708 1709 cp = mtod(m, uint8_t *); 1710 ip = (struct ip *)cp; 1711#ifdef INET6 1712 ip6 = (struct ip6_hdr *)cp; 1713#endif 1714 1715 /* Check for IPv4 */ 1716 if (ip->ip_v == IPVERSION) { 1717 iplen = htons(ip->ip_len); 1718 isr = NETISR_IP; 1719 } 1720#ifdef INET6 1721 /* Check for IPv6 */ 1722 else if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION) { 1723 iplen = htons(ip6->ip6_plen); 1724 isr = NETISR_IPV6; 1725 } 1726#endif 1727 else { 1728 UHSO_DPRINTF(0, "got unexpected ip version %d, " 1729 "m=%p, len=%d\n", (*cp & 0xf0) >> 4, m, m->m_len); 1730 ifp->if_ierrors++; 1731 UHSO_HEXDUMP(cp, 4); 1732 m_freem(m); 1733 m = NULL; 1734 mtx_lock(&sc->sc_mtx); 1735 continue; 1736 } 1737 1738 if (iplen == 0) { 1739 UHSO_DPRINTF(0, "Zero IP length\n"); 1740 ifp->if_ierrors++; 1741 m_freem(m); 1742 m = NULL; 1743 mtx_lock(&sc->sc_mtx); 1744 continue; 1745 } 1746 1747 UHSO_DPRINTF(3, "m=%p, len=%d, cp=%p, iplen=%d\n", 1748 m, m->m_pkthdr.len, cp, iplen); 1749 1750 m0 = NULL; 1751 1752 /* More IP packets in this mbuf */ 1753 if (iplen < m->m_pkthdr.len) { 1754 m0 = m; 1755 1756 /* 1757 * Allocate a new mbuf for this IP packet and 1758 * copy the IP-packet into it. 1759 */ 1760 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1761 memcpy(mtod(m, uint8_t *), mtod(m0, uint8_t *), iplen); 1762 m->m_pkthdr.len = m->m_len = iplen; 1763 1764 /* Adjust the size of the original mbuf */ 1765 m_adj(m0, iplen); 1766 m0 = m_defrag(m0, M_WAITOK); 1767 1768 UHSO_DPRINTF(3, "New mbuf=%p, len=%d/%d, m0=%p, " 1769 "m0_len=%d/%d\n", m, m->m_pkthdr.len, m->m_len, 1770 m0, m0->m_pkthdr.len, m0->m_len); 1771 } 1772 else if (iplen > m->m_pkthdr.len) { 1773 UHSO_DPRINTF(3, "Deferred mbuf=%p, len=%d\n", 1774 m, m->m_pkthdr.len); 1775 mwait = m; 1776 m = NULL; 1777 mtx_lock(&sc->sc_mtx); 1778 continue; 1779 } 1780 1781 ifp->if_ipackets++; 1782 m->m_pkthdr.rcvif = ifp; 1783 1784 /* Dispatch to IP layer */ 1785 BPF_MTAP(sc->sc_ifp, m); 1786 M_SETFIB(m, ifp->if_fib); 1787 netisr_dispatch(isr, m); 1788 m = m0 != NULL ? m0 : NULL; 1789 mtx_lock(&sc->sc_mtx); 1790 } 1791 sc->sc_mwait = mwait; 1792} 1793 1794static void 1795uhso_ifnet_write_callback(struct usb_xfer *xfer, usb_error_t error) 1796{ 1797 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1798 struct ifnet *ifp = sc->sc_ifp; 1799 struct usb_page_cache *pc; 1800 struct mbuf *m; 1801 int actlen; 1802 1803 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1804 1805 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1806 1807 switch (USB_GET_STATE(xfer)) { 1808 case USB_ST_TRANSFERRED: 1809 ifp->if_opackets++; 1810 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1811 case USB_ST_SETUP: 1812tr_setup: 1813 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1814 if (m == NULL) 1815 break; 1816 1817 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1818 1819 if (m->m_pkthdr.len > MCLBYTES) 1820 m->m_pkthdr.len = MCLBYTES; 1821 1822 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 1823 pc = usbd_xfer_get_frame(xfer, 0); 1824 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 1825 usbd_transfer_submit(xfer); 1826 1827 BPF_MTAP(ifp, m); 1828 m_freem(m); 1829 break; 1830 default: 1831 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1832 if (error == USB_ERR_CANCELLED) 1833 break; 1834 usbd_xfer_set_stall(xfer); 1835 goto tr_setup; 1836 } 1837} 1838 1839static int 1840uhso_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1841{ 1842 struct uhso_softc *sc; 1843 1844 sc = ifp->if_softc; 1845 1846 switch (cmd) { 1847 case SIOCSIFFLAGS: 1848 if (ifp->if_flags & IFF_UP) { 1849 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1850 uhso_if_init(sc); 1851 } 1852 } 1853 else { 1854 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1855 mtx_lock(&sc->sc_mtx); 1856 uhso_if_stop(sc); 1857 mtx_unlock(&sc->sc_mtx); 1858 } 1859 } 1860 break; 1861 case SIOCSIFADDR: 1862 case SIOCADDMULTI: 1863 case SIOCDELMULTI: 1864 break; 1865 default: 1866 return (EINVAL); 1867 } 1868 return (0); 1869} 1870 1871static void 1872uhso_if_init(void *priv) 1873{ 1874 struct uhso_softc *sc = priv; 1875 struct ifnet *ifp = sc->sc_ifp; 1876 1877 mtx_lock(&sc->sc_mtx); 1878 uhso_if_stop(sc); 1879 ifp = sc->sc_ifp; 1880 ifp->if_flags |= IFF_UP; 1881 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1882 mtx_unlock(&sc->sc_mtx); 1883 1884 UHSO_DPRINTF(2, "ifnet initialized\n"); 1885} 1886 1887static int 1888uhso_if_output(struct ifnet *ifp, struct mbuf *m0, const struct sockaddr *dst, 1889 struct route *ro) 1890{ 1891 int error; 1892 1893 /* Only IPv4/6 support */ 1894 if (dst->sa_family != AF_INET 1895#ifdef INET6 1896 && dst->sa_family != AF_INET6 1897#endif 1898 ) { 1899 return (EAFNOSUPPORT); 1900 } 1901 1902 error = (ifp->if_transmit)(ifp, m0); 1903 if (error) { 1904 ifp->if_oerrors++; 1905 return (ENOBUFS); 1906 } 1907 ifp->if_opackets++; 1908 return (0); 1909} 1910 1911static void 1912uhso_if_start(struct ifnet *ifp) 1913{ 1914 struct uhso_softc *sc = ifp->if_softc; 1915 1916 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1917 UHSO_DPRINTF(1, "Not running\n"); 1918 return; 1919 } 1920 1921 mtx_lock(&sc->sc_mtx); 1922 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); 1923 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1924 mtx_unlock(&sc->sc_mtx); 1925 UHSO_DPRINTF(3, "interface started\n"); 1926} 1927 1928static void 1929uhso_if_stop(struct uhso_softc *sc) 1930{ 1931 1932 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); 1933 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1934 sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1935} 1936