uhso.c revision 239180
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 239180 2012-08-10 15:29:41Z 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_HOST_ID uhso_devs[] = { 251#define UHSO_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 252 /* Option GlobeTrotter MAX 7.2 with upgraded firmware */ 253 UHSO_DEV(OPTION, GTMAX72, UHSO_STATIC_IFACE), 254 /* Option GlobeSurfer iCON 7.2 */ 255 UHSO_DEV(OPTION, GSICON72, UHSO_STATIC_IFACE), 256 /* Option iCON 225 */ 257 UHSO_DEV(OPTION, GTHSDPA, UHSO_STATIC_IFACE), 258 /* Option GlobeSurfer iCON HSUPA */ 259 UHSO_DEV(OPTION, GSICONHSUPA, UHSO_STATIC_IFACE), 260 /* Option GlobeTrotter HSUPA */ 261 UHSO_DEV(OPTION, GTHSUPA, UHSO_STATIC_IFACE), 262 /* GE40x */ 263 UHSO_DEV(OPTION, GE40X, UHSO_AUTO_IFACE), 264 UHSO_DEV(OPTION, GE40X_1, UHSO_AUTO_IFACE), 265 UHSO_DEV(OPTION, GE40X_2, UHSO_AUTO_IFACE), 266 UHSO_DEV(OPTION, GE40X_3, UHSO_AUTO_IFACE), 267 /* Option GlobeSurfer iCON 401 */ 268 UHSO_DEV(OPTION, ICON401, UHSO_AUTO_IFACE), 269 /* Option GlobeTrotter Module 382 */ 270 UHSO_DEV(OPTION, GMT382, UHSO_AUTO_IFACE), 271 /* Option iCON EDGE */ 272 UHSO_DEV(OPTION, ICONEDGE, UHSO_STATIC_IFACE), 273 /* Option Module HSxPA */ 274 UHSO_DEV(OPTION, MODHSXPA, UHSO_STATIC_IFACE), 275 /* Option iCON 321 */ 276 UHSO_DEV(OPTION, ICON321, UHSO_STATIC_IFACE), 277 /* Option iCON 322 */ 278 UHSO_DEV(OPTION, GTICON322, UHSO_STATIC_IFACE), 279 /* Option iCON 505 */ 280 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 281 /* Option iCON 452 */ 282 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 283#undef UHSO_DEV 284}; 285 286static SYSCTL_NODE(_hw_usb, OID_AUTO, uhso, CTLFLAG_RW, 0, "USB uhso"); 287static int uhso_autoswitch = 1; 288SYSCTL_INT(_hw_usb_uhso, OID_AUTO, auto_switch, CTLFLAG_RW, 289 &uhso_autoswitch, 0, "Automatically switch to modem mode"); 290 291#ifdef USB_DEBUG 292#ifdef UHSO_DEBUG 293static int uhso_debug = UHSO_DEBUG; 294#else 295static int uhso_debug = -1; 296#endif 297 298SYSCTL_INT(_hw_usb_uhso, OID_AUTO, debug, CTLFLAG_RW, 299 &uhso_debug, 0, "Debug level"); 300 301#define UHSO_DPRINTF(n, x, ...) {\ 302 if (uhso_debug >= n) {\ 303 printf("%s: " x, __func__, ##__VA_ARGS__);\ 304 }\ 305} 306#else 307#define UHSO_DPRINTF(n, x, ...) 308#endif 309 310#ifdef UHSO_DEBUG_HEXDUMP 311# define UHSO_HEXDUMP(_buf, _len) do { \ 312 { \ 313 size_t __tmp; \ 314 const char *__buf = (const char *)_buf; \ 315 for (__tmp = 0; __tmp < _len; __tmp++) \ 316 printf("%02hhx ", *__buf++); \ 317 printf("\n"); \ 318 } \ 319} while(0) 320#else 321# define UHSO_HEXDUMP(_buf, _len) 322#endif 323 324enum { 325 UHSO_MUX_ENDPT_INTR = 0, 326 UHSO_MUX_ENDPT_MAX 327}; 328 329enum { 330 UHSO_CTRL_READ = 0, 331 UHSO_CTRL_WRITE, 332 UHSO_CTRL_MAX 333}; 334 335enum { 336 UHSO_IFNET_READ = 0, 337 UHSO_IFNET_WRITE, 338 UHSO_IFNET_MAX 339}; 340 341enum { 342 UHSO_BULK_ENDPT_READ = 0, 343 UHSO_BULK_ENDPT_WRITE, 344 UHSO_BULK_ENDPT_INTR, 345 UHSO_BULK_ENDPT_MAX 346}; 347 348static usb_callback_t uhso_mux_intr_callback; 349static usb_callback_t uhso_mux_read_callback; 350static usb_callback_t uhso_mux_write_callback; 351static usb_callback_t uhso_bs_read_callback; 352static usb_callback_t uhso_bs_write_callback; 353static usb_callback_t uhso_bs_intr_callback; 354static usb_callback_t uhso_ifnet_read_callback; 355static usb_callback_t uhso_ifnet_write_callback; 356 357/* Config used for the default control pipes */ 358static const struct usb_config uhso_ctrl_config[UHSO_CTRL_MAX] = { 359 [UHSO_CTRL_READ] = { 360 .type = UE_CONTROL, 361 .endpoint = 0x00, 362 .direction = UE_DIR_ANY, 363 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 364 .bufsize = sizeof(struct usb_device_request) + 1024, 365 .callback = &uhso_mux_read_callback 366 }, 367 368 [UHSO_CTRL_WRITE] = { 369 .type = UE_CONTROL, 370 .endpoint = 0x00, 371 .direction = UE_DIR_ANY, 372 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 373 .bufsize = sizeof(struct usb_device_request) + 1024, 374 .timeout = 1000, 375 .callback = &uhso_mux_write_callback 376 } 377}; 378 379/* Config for the multiplexed serial ports */ 380static const struct usb_config uhso_mux_config[UHSO_MUX_ENDPT_MAX] = { 381 [UHSO_MUX_ENDPT_INTR] = { 382 .type = UE_INTERRUPT, 383 .endpoint = UE_ADDR_ANY, 384 .direction = UE_DIR_IN, 385 .flags = { .short_xfer_ok = 1 }, 386 .bufsize = 0, 387 .callback = &uhso_mux_intr_callback, 388 } 389}; 390 391/* Config for the raw IP-packet interface */ 392static const struct usb_config uhso_ifnet_config[UHSO_IFNET_MAX] = { 393 [UHSO_IFNET_READ] = { 394 .type = UE_BULK, 395 .endpoint = UE_ADDR_ANY, 396 .direction = UE_DIR_IN, 397 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 398 .bufsize = MCLBYTES, 399 .callback = &uhso_ifnet_read_callback 400 }, 401 [UHSO_IFNET_WRITE] = { 402 .type = UE_BULK, 403 .endpoint = UE_ADDR_ANY, 404 .direction = UE_DIR_OUT, 405 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 406 .bufsize = MCLBYTES, 407 .timeout = 5 * USB_MS_HZ, 408 .callback = &uhso_ifnet_write_callback 409 } 410}; 411 412/* Config for interfaces with normal bulk serial ports */ 413static const struct usb_config uhso_bs_config[UHSO_BULK_ENDPT_MAX] = { 414 [UHSO_BULK_ENDPT_READ] = { 415 .type = UE_BULK, 416 .endpoint = UE_ADDR_ANY, 417 .direction = UE_DIR_IN, 418 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 419 .bufsize = 4096, 420 .callback = &uhso_bs_read_callback 421 }, 422 423 [UHSO_BULK_ENDPT_WRITE] = { 424 .type = UE_BULK, 425 .endpoint = UE_ADDR_ANY, 426 .direction = UE_DIR_OUT, 427 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 428 .bufsize = 8192, 429 .callback = &uhso_bs_write_callback 430 }, 431 432 [UHSO_BULK_ENDPT_INTR] = { 433 .type = UE_INTERRUPT, 434 .endpoint = UE_ADDR_ANY, 435 .direction = UE_DIR_IN, 436 .flags = { .short_xfer_ok = 1 }, 437 .bufsize = 0, 438 .callback = &uhso_bs_intr_callback, 439 } 440}; 441 442static int uhso_probe_iface(struct uhso_softc *, int, 443 int (*probe)(struct usb_device *, int)); 444static int uhso_probe_iface_auto(struct usb_device *, int); 445static int uhso_probe_iface_static(struct usb_device *, int); 446static int uhso_attach_muxserial(struct uhso_softc *, struct usb_interface *, 447 int type); 448static int uhso_attach_bulkserial(struct uhso_softc *, struct usb_interface *, 449 int type); 450static int uhso_attach_ifnet(struct uhso_softc *, struct usb_interface *, 451 int type); 452static void uhso_test_autoinst(void *, struct usb_device *, 453 struct usb_attach_arg *); 454static int uhso_driver_loaded(struct module *, int, void *); 455static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS); 456static int uhso_radio_ctrl(struct uhso_softc *, int); 457 458static void uhso_free(struct ucom_softc *); 459static void uhso_ucom_start_read(struct ucom_softc *); 460static void uhso_ucom_stop_read(struct ucom_softc *); 461static void uhso_ucom_start_write(struct ucom_softc *); 462static void uhso_ucom_stop_write(struct ucom_softc *); 463static void uhso_ucom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 464static void uhso_ucom_cfg_set_dtr(struct ucom_softc *, uint8_t); 465static void uhso_ucom_cfg_set_rts(struct ucom_softc *, uint8_t); 466static void uhso_if_init(void *); 467static void uhso_if_start(struct ifnet *); 468static void uhso_if_stop(struct uhso_softc *); 469static int uhso_if_ioctl(struct ifnet *, u_long, caddr_t); 470static int uhso_if_output(struct ifnet *, struct mbuf *, struct sockaddr *, 471 struct route *); 472static void uhso_if_rxflush(void *); 473 474static device_probe_t uhso_probe; 475static device_attach_t uhso_attach; 476static device_detach_t uhso_detach; 477static device_free_softc_t uhso_free_softc; 478 479static device_method_t uhso_methods[] = { 480 DEVMETHOD(device_probe, uhso_probe), 481 DEVMETHOD(device_attach, uhso_attach), 482 DEVMETHOD(device_detach, uhso_detach), 483 DEVMETHOD(device_free_softc, uhso_free_softc), 484 { 0, 0 } 485}; 486 487static driver_t uhso_driver = { 488 .name = "uhso", 489 .methods = uhso_methods, 490 .size = sizeof(struct uhso_softc) 491}; 492 493static devclass_t uhso_devclass; 494DRIVER_MODULE(uhso, uhub, uhso_driver, uhso_devclass, uhso_driver_loaded, 0); 495MODULE_DEPEND(uhso, ucom, 1, 1, 1); 496MODULE_DEPEND(uhso, usb, 1, 1, 1); 497MODULE_VERSION(uhso, 1); 498 499static struct ucom_callback uhso_ucom_callback = { 500 .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, 501 .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, 502 .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, 503 .ucom_start_read = uhso_ucom_start_read, 504 .ucom_stop_read = uhso_ucom_stop_read, 505 .ucom_start_write = uhso_ucom_start_write, 506 .ucom_stop_write = uhso_ucom_stop_write, 507 .ucom_free = &uhso_free, 508}; 509 510static int 511uhso_probe(device_t self) 512{ 513 struct usb_attach_arg *uaa = device_get_ivars(self); 514 int error; 515 516 if (uaa->usb_mode != USB_MODE_HOST) 517 return (ENXIO); 518 if (uaa->info.bConfigIndex != 0) 519 return (ENXIO); 520 if (uaa->info.bDeviceClass != 0xff) 521 return (ENXIO); 522 523 error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); 524 if (error != 0) 525 return (error); 526 527 /* 528 * Probe device to see if we are able to attach 529 * to this interface or not. 530 */ 531 if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { 532 if (uhso_probe_iface_auto(uaa->device, 533 uaa->info.bIfaceNum) == 0) 534 return (ENXIO); 535 } 536 return (error); 537} 538 539static int 540uhso_attach(device_t self) 541{ 542 struct uhso_softc *sc = device_get_softc(self); 543 struct usb_attach_arg *uaa = device_get_ivars(self); 544 struct usb_config_descriptor *cd; 545 struct usb_interface_descriptor *id; 546 struct sysctl_ctx_list *sctx; 547 struct sysctl_oid *soid; 548 struct sysctl_oid *tree = NULL, *tty_node; 549 struct ucom_softc *ucom; 550 struct uhso_tty *ht; 551 int i, error, port; 552 void *probe_f; 553 usb_error_t uerr; 554 char *desc; 555 556 sc->sc_dev = self; 557 sc->sc_udev = uaa->device; 558 mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); 559 ucom_ref(&sc->sc_super_ucom); 560 561 sc->sc_ucom = NULL; 562 sc->sc_ttys = 0; 563 sc->sc_radio = 1; 564 565 cd = usbd_get_config_descriptor(uaa->device); 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 return (0); 701} 702 703UCOM_UNLOAD_DRAIN(uhso); 704 705static void 706uhso_free_softc(device_t dev, void *arg) 707{ 708 struct uhso_softc *sc = arg; 709 710 if (ucom_unref(&sc->sc_super_ucom)) { 711 if (mtx_initialized(&sc->sc_mtx)) 712 mtx_destroy(&sc->sc_mtx); 713 device_free_softc(dev, sc); 714 } 715} 716 717static void 718uhso_free(struct ucom_softc *ucom) 719{ 720 uhso_free_softc(NULL, ucom->sc_parent); 721} 722 723static void 724uhso_test_autoinst(void *arg, struct usb_device *udev, 725 struct usb_attach_arg *uaa) 726{ 727 struct usb_interface *iface; 728 struct usb_interface_descriptor *id; 729 730 if (uaa->dev_state != UAA_DEV_READY || !uhso_autoswitch) 731 return; 732 733 iface = usbd_get_iface(udev, 0); 734 if (iface == NULL) 735 return; 736 id = iface->idesc; 737 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 738 return; 739 if (usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa)) 740 return; /* no device match */ 741 742 if (usb_msc_eject(udev, 0, MSC_EJECT_REZERO) == 0) { 743 /* success, mark the udev as disappearing */ 744 uaa->dev_state = UAA_DEV_EJECTING; 745 } 746} 747 748static int 749uhso_driver_loaded(struct module *mod, int what, void *arg) 750{ 751 switch (what) { 752 case MOD_LOAD: 753 /* register our autoinstall handler */ 754 uhso_etag = EVENTHANDLER_REGISTER(usb_dev_configured, 755 uhso_test_autoinst, NULL, EVENTHANDLER_PRI_ANY); 756 /* create our unit allocator for inet devs */ 757 uhso_ifnet_unit = new_unrhdr(0, INT_MAX, NULL); 758 break; 759 case MOD_UNLOAD: 760 EVENTHANDLER_DEREGISTER(usb_dev_configured, uhso_etag); 761 delete_unrhdr(uhso_ifnet_unit); 762 break; 763 default: 764 return (EOPNOTSUPP); 765 } 766 return (0); 767} 768 769/* 770 * Probe the interface type by querying the device. The elements 771 * of an array indicates the capabilities of a particular interface. 772 * Returns a bit mask with the interface capabilities. 773 */ 774static int 775uhso_probe_iface_auto(struct usb_device *udev, int index) 776{ 777 struct usb_device_request req; 778 usb_error_t uerr; 779 uint16_t actlen = 0; 780 char port; 781 char buf[17] = {0}; 782 783 req.bmRequestType = UT_READ_VENDOR_DEVICE; 784 req.bRequest = 0x86; 785 USETW(req.wValue, 0); 786 USETW(req.wIndex, 0); 787 USETW(req.wLength, 17); 788 789 uerr = usbd_do_request_flags(udev, NULL, &req, buf, 790 0, &actlen, USB_MS_HZ); 791 if (uerr != 0) { 792 printf("%s: usbd_do_request_flags failed, %s\n", 793 __func__, usbd_errstr(uerr)); 794 return (0); 795 } 796 797 UHSO_DPRINTF(1, "actlen=%d\n", actlen); 798 UHSO_HEXDUMP(buf, 17); 799 800 if (index < 0 || index > 16) { 801 UHSO_DPRINTF(0, "Index %d out of range\n", index); 802 return (0); 803 } 804 805 UHSO_DPRINTF(1, "index=%d, type=%x[%s]\n", index, buf[index], 806 uhso_port_type[(int)uhso_port_map[(int)buf[index]]]); 807 808 if (buf[index] >= uhso_port_map_max) 809 port = 0; 810 else 811 port = uhso_port_map[(int)buf[index]]; 812 813 switch (port) { 814 case UHSO_PORT_TYPE_NETWORK: 815 return (UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 816 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, port)); 817 case UHSO_PORT_TYPE_DIAG: 818 case UHSO_PORT_TYPE_DIAG2: 819 case UHSO_PORT_TYPE_CTL: 820 case UHSO_PORT_TYPE_APP: 821 case UHSO_PORT_TYPE_APP2: 822 case UHSO_PORT_TYPE_MODEM: 823 return (UHSO_IFACE_SPEC(UHSO_IF_BULK, 824 UHSO_PORT_SERIAL, port)); 825 case UHSO_PORT_TYPE_MSD: 826 return (0); 827 case UHSO_PORT_TYPE_UNKNOWN: 828 default: 829 return (0); 830 } 831 832 return (0); 833} 834 835/* 836 * Returns the capabilities of interfaces for devices that don't 837 * support the automatic query. 838 * Returns a bit mask with the interface capabilities. 839 */ 840static int 841uhso_probe_iface_static(struct usb_device *udev, int index) 842{ 843 struct usb_config_descriptor *cd; 844 845 cd = usbd_get_config_descriptor(udev); 846 if (cd->bNumInterface <= 3) { 847 /* Cards with 3 or less interfaces */ 848 switch (index) { 849 case 0: 850 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 851 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 852 UHSO_PORT_TYPE_NETWORK); 853 case 1: 854 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 855 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 856 case 2: 857 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 858 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 859 } 860 } else { 861 /* Cards with 4 interfaces */ 862 switch (index) { 863 case 0: 864 return UHSO_IFACE_SPEC(UHSO_IF_NET | UHSO_IF_MUX, 865 UHSO_PORT_SERIAL | UHSO_PORT_NETWORK, 866 UHSO_PORT_TYPE_NETWORK); 867 case 1: 868 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 869 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG2); 870 case 2: 871 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 872 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_MODEM); 873 case 3: 874 return UHSO_IFACE_SPEC(UHSO_IF_BULK, 875 UHSO_PORT_SERIAL, UHSO_PORT_TYPE_DIAG); 876 } 877 } 878 return (0); 879} 880 881/* 882 * Probes an interface for its particular capabilities and attaches if 883 * it's a supported interface. 884 */ 885static int 886uhso_probe_iface(struct uhso_softc *sc, int index, 887 int (*probe)(struct usb_device *, int)) 888{ 889 struct usb_interface *iface; 890 int type, error; 891 892 UHSO_DPRINTF(1, "Probing for interface %d, probe_func=%p\n", index, probe); 893 894 type = probe(sc->sc_udev, index); 895 UHSO_DPRINTF(1, "Probe result %x\n", type); 896 if (type <= 0) 897 return (ENXIO); 898 899 sc->sc_type = type; 900 iface = usbd_get_iface(sc->sc_udev, index); 901 902 if (UHSO_IFACE_PORT_TYPE(type) == UHSO_PORT_TYPE_NETWORK) { 903 error = uhso_attach_ifnet(sc, iface, type); 904 if (error) { 905 UHSO_DPRINTF(1, "uhso_attach_ifnet failed"); 906 return (ENXIO); 907 } 908 909 /* 910 * If there is an additional interrupt endpoint on this 911 * interface then we most likely have a multiplexed serial port 912 * available. 913 */ 914 if (iface->idesc->bNumEndpoints < 3) { 915 sc->sc_type = UHSO_IFACE_SPEC( 916 UHSO_IFACE_USB_TYPE(type) & ~UHSO_IF_MUX, 917 UHSO_IFACE_PORT(type) & ~UHSO_PORT_SERIAL, 918 UHSO_IFACE_PORT_TYPE(type)); 919 return (0); 920 } 921 922 UHSO_DPRINTF(1, "Trying to attach mux. serial\n"); 923 error = uhso_attach_muxserial(sc, iface, type); 924 if (error == 0 && sc->sc_ttys > 0) { 925 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 926 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 927 if (error) { 928 device_printf(sc->sc_dev, "ucom_attach failed\n"); 929 return (ENXIO); 930 } 931 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); 932 933 mtx_lock(&sc->sc_mtx); 934 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 935 mtx_unlock(&sc->sc_mtx); 936 } 937 } else if ((UHSO_IFACE_USB_TYPE(type) & UHSO_IF_BULK) && 938 UHSO_IFACE_PORT(type) & UHSO_PORT_SERIAL) { 939 940 error = uhso_attach_bulkserial(sc, iface, type); 941 if (error) 942 return (ENXIO); 943 944 error = ucom_attach(&sc->sc_super_ucom, sc->sc_ucom, 945 sc->sc_ttys, sc, &uhso_ucom_callback, &sc->sc_mtx); 946 if (error) { 947 device_printf(sc->sc_dev, "ucom_attach failed\n"); 948 return (ENXIO); 949 } 950 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, sc->sc_dev); 951 } 952 else { 953 UHSO_DPRINTF(0, "Unknown type %x\n", type); 954 return (ENXIO); 955 } 956 957 return (0); 958} 959 960static int 961uhso_radio_ctrl(struct uhso_softc *sc, int onoff) 962{ 963 struct usb_device_request req; 964 usb_error_t uerr; 965 966 req.bmRequestType = UT_VENDOR; 967 req.bRequest = onoff ? 0x82 : 0x81; 968 USETW(req.wValue, 0); 969 USETW(req.wIndex, 0); 970 USETW(req.wLength, 0); 971 972 uerr = usbd_do_request(sc->sc_udev, NULL, &req, NULL); 973 if (uerr != 0) { 974 device_printf(sc->sc_dev, "usbd_do_request_flags failed: %s\n", 975 usbd_errstr(uerr)); 976 return (-1); 977 } 978 return (onoff); 979} 980 981static int 982uhso_radio_sysctl(SYSCTL_HANDLER_ARGS) 983{ 984 struct uhso_softc *sc = arg1; 985 int error, radio; 986 987 radio = sc->sc_radio; 988 error = sysctl_handle_int(oidp, &radio, 0, req); 989 if (error) 990 return (error); 991 if (radio != sc->sc_radio) { 992 radio = radio != 0 ? 1 : 0; 993 error = uhso_radio_ctrl(sc, radio); 994 if (error != -1) 995 sc->sc_radio = radio; 996 997 } 998 return (0); 999} 1000 1001/* 1002 * Expands allocated memory to fit an additional TTY. 1003 * Two arrays are kept with matching indexes, one for ucom and one 1004 * for our private data. 1005 */ 1006static int 1007uhso_alloc_tty(struct uhso_softc *sc) 1008{ 1009 1010 sc->sc_ttys++; 1011 sc->sc_tty = reallocf(sc->sc_tty, sizeof(struct uhso_tty) * sc->sc_ttys, 1012 M_USBDEV, M_WAITOK | M_ZERO); 1013 if (sc->sc_tty == NULL) 1014 return (-1); 1015 1016 sc->sc_ucom = reallocf(sc->sc_ucom, 1017 sizeof(struct ucom_softc) * sc->sc_ttys, M_USBDEV, M_WAITOK | M_ZERO); 1018 if (sc->sc_ucom == NULL) 1019 return (-1); 1020 1021 sc->sc_tty[sc->sc_ttys - 1].ht_sc = sc; 1022 1023 UHSO_DPRINTF(1, "Allocated TTY %d\n", sc->sc_ttys - 1); 1024 return (sc->sc_ttys - 1); 1025} 1026 1027/* 1028 * Attach a multiplexed serial port 1029 * Data is read/written with requests on the default control pipe. An interrupt 1030 * endpoint returns when there is new data to be read. 1031 */ 1032static int 1033uhso_attach_muxserial(struct uhso_softc *sc, struct usb_interface *iface, 1034 int type) 1035{ 1036 struct usb_descriptor *desc; 1037 int i, port, tty; 1038 usb_error_t uerr; 1039 1040 /* 1041 * The class specific interface (type 0x24) descriptor subtype field 1042 * contains a bitmask that specifies which (and how many) ports that 1043 * are available through this multiplexed serial port. 1044 */ 1045 desc = usbd_find_descriptor(sc->sc_udev, NULL, 1046 iface->idesc->bInterfaceNumber, UDESC_CS_INTERFACE, 0xff, 0, 0); 1047 if (desc == NULL) { 1048 UHSO_DPRINTF(0, "Failed to find UDESC_CS_INTERFACE\n"); 1049 return (ENXIO); 1050 } 1051 1052 UHSO_DPRINTF(1, "Mux port mask %x\n", desc->bDescriptorSubtype); 1053 if (desc->bDescriptorSubtype == 0) 1054 return (ENXIO); 1055 1056 /* 1057 * The bitmask is one octet, loop through the number of 1058 * bits that are set and create a TTY for each. 1059 */ 1060 for (i = 0; i < 8; i++) { 1061 port = (1 << i); 1062 if ((port & desc->bDescriptorSubtype) == port) { 1063 UHSO_DPRINTF(2, "Found mux port %x (%d)\n", port, i); 1064 tty = uhso_alloc_tty(sc); 1065 if (tty < 0) 1066 return (ENOMEM); 1067 sc->sc_tty[tty].ht_muxport = i; 1068 uerr = usbd_transfer_setup(sc->sc_udev, 1069 &sc->sc_iface_index, sc->sc_tty[tty].ht_xfer, 1070 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 1071 if (uerr) { 1072 device_printf(sc->sc_dev, 1073 "Failed to setup control pipe: %s\n", 1074 usbd_errstr(uerr)); 1075 return (ENXIO); 1076 } 1077 } 1078 } 1079 1080 /* Setup the intr. endpoint */ 1081 uerr = usbd_transfer_setup(sc->sc_udev, 1082 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1083 uhso_mux_config, 1, sc, &sc->sc_mtx); 1084 if (uerr) 1085 return (ENXIO); 1086 1087 return (0); 1088} 1089 1090/* 1091 * Interrupt callback for the multiplexed serial port. Indicates 1092 * which serial port has data waiting. 1093 */ 1094static void 1095uhso_mux_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1096{ 1097 struct usb_page_cache *pc; 1098 struct usb_page_search res; 1099 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1100 unsigned int i, mux; 1101 1102 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1103 1104 switch (USB_GET_STATE(xfer)) { 1105 case USB_ST_TRANSFERRED: 1106 /* 1107 * The multiplexed port number can be found at the first byte. 1108 * It contains a bit mask, we transform this in to an integer. 1109 */ 1110 pc = usbd_xfer_get_frame(xfer, 0); 1111 usbd_get_page(pc, 0, &res); 1112 1113 i = *((unsigned char *)res.buffer); 1114 mux = 0; 1115 while (i >>= 1) { 1116 mux++; 1117 } 1118 1119 UHSO_DPRINTF(3, "mux port %d (%d)\n", mux, i); 1120 if (mux > UHSO_MPORT_TYPE_NOMAX) 1121 break; 1122 1123 /* Issue a read for this serial port */ 1124 usbd_xfer_set_priv( 1125 sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ], 1126 &sc->sc_tty[mux]); 1127 usbd_transfer_start(sc->sc_tty[mux].ht_xfer[UHSO_CTRL_READ]); 1128 1129 break; 1130 case USB_ST_SETUP: 1131tr_setup: 1132 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1133 usbd_transfer_submit(xfer); 1134 break; 1135 default: 1136 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1137 if (error == USB_ERR_CANCELLED) 1138 break; 1139 1140 usbd_xfer_set_stall(xfer); 1141 goto tr_setup; 1142 } 1143} 1144 1145static void 1146uhso_mux_read_callback(struct usb_xfer *xfer, usb_error_t error) 1147{ 1148 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1149 struct usb_page_cache *pc; 1150 struct usb_device_request req; 1151 struct uhso_tty *ht; 1152 int actlen, len; 1153 1154 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1155 1156 UHSO_DPRINTF(3, "status %d\n", USB_GET_STATE(xfer)); 1157 1158 ht = usbd_xfer_get_priv(xfer); 1159 UHSO_DPRINTF(3, "ht=%p open=%d\n", ht, ht->ht_open); 1160 1161 switch (USB_GET_STATE(xfer)) { 1162 case USB_ST_TRANSFERRED: 1163 /* Got data, send to ucom */ 1164 pc = usbd_xfer_get_frame(xfer, 1); 1165 len = usbd_xfer_frame_len(xfer, 1); 1166 1167 UHSO_DPRINTF(3, "got %d bytes on mux port %d\n", len, 1168 ht->ht_muxport); 1169 if (len <= 0) { 1170 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1171 break; 1172 } 1173 1174 /* Deliver data if the TTY is open, discard otherwise */ 1175 if (ht->ht_open) 1176 ucom_put_data(&sc->sc_ucom[ht->ht_muxport], pc, 0, len); 1177 /* FALLTHROUGH */ 1178 case USB_ST_SETUP: 1179tr_setup: 1180 memset(&req, 0, sizeof(struct usb_device_request)); 1181 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1182 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 1183 USETW(req.wValue, 0); 1184 USETW(req.wIndex, ht->ht_muxport); 1185 USETW(req.wLength, 1024); 1186 1187 pc = usbd_xfer_get_frame(xfer, 0); 1188 usbd_copy_in(pc, 0, &req, sizeof(req)); 1189 1190 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1191 usbd_xfer_set_frame_len(xfer, 1, 1024); 1192 usbd_xfer_set_frames(xfer, 2); 1193 usbd_transfer_submit(xfer); 1194 break; 1195 default: 1196 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1197 if (error == USB_ERR_CANCELLED) 1198 break; 1199 usbd_xfer_set_stall(xfer); 1200 goto tr_setup; 1201 } 1202} 1203 1204static void 1205uhso_mux_write_callback(struct usb_xfer *xfer, usb_error_t error) 1206{ 1207 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1208 struct uhso_tty *ht; 1209 struct usb_page_cache *pc; 1210 struct usb_device_request req; 1211 int actlen; 1212 struct usb_page_search res; 1213 1214 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1215 1216 ht = usbd_xfer_get_priv(xfer); 1217 UHSO_DPRINTF(3, "status=%d, using mux port %d\n", 1218 USB_GET_STATE(xfer), ht->ht_muxport); 1219 1220 switch (USB_GET_STATE(xfer)) { 1221 case USB_ST_TRANSFERRED: 1222 UHSO_DPRINTF(3, "wrote %zd data bytes to muxport %d\n", 1223 actlen - sizeof(struct usb_device_request) , 1224 ht->ht_muxport); 1225 /* FALLTHROUGH */ 1226 case USB_ST_SETUP: 1227 pc = usbd_xfer_get_frame(xfer, 1); 1228 if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 1229 0, 32, &actlen)) { 1230 1231 usbd_get_page(pc, 0, &res); 1232 1233 memset(&req, 0, sizeof(struct usb_device_request)); 1234 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1235 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1236 USETW(req.wValue, 0); 1237 USETW(req.wIndex, ht->ht_muxport); 1238 USETW(req.wLength, actlen); 1239 1240 pc = usbd_xfer_get_frame(xfer, 0); 1241 usbd_copy_in(pc, 0, &req, sizeof(req)); 1242 1243 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1244 usbd_xfer_set_frame_len(xfer, 1, actlen); 1245 usbd_xfer_set_frames(xfer, 2); 1246 1247 UHSO_DPRINTF(3, "Prepared %d bytes for transmit " 1248 "on muxport %d\n", actlen, ht->ht_muxport); 1249 1250 usbd_transfer_submit(xfer); 1251 } 1252 break; 1253 default: 1254 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1255 if (error == USB_ERR_CANCELLED) 1256 break; 1257 break; 1258 } 1259} 1260 1261static int 1262uhso_attach_bulkserial(struct uhso_softc *sc, struct usb_interface *iface, 1263 int type) 1264{ 1265 usb_error_t uerr; 1266 int tty; 1267 1268 /* Try attaching RD/WR/INTR first */ 1269 uerr = usbd_transfer_setup(sc->sc_udev, 1270 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1271 uhso_bs_config, UHSO_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1272 if (uerr) { 1273 /* Try only RD/WR */ 1274 uerr = usbd_transfer_setup(sc->sc_udev, 1275 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1276 uhso_bs_config, UHSO_BULK_ENDPT_MAX - 1, sc, &sc->sc_mtx); 1277 } 1278 if (uerr) { 1279 UHSO_DPRINTF(0, "usbd_transfer_setup failed"); 1280 return (-1); 1281 } 1282 1283 tty = uhso_alloc_tty(sc); 1284 if (tty < 0) { 1285 usbd_transfer_unsetup(sc->sc_xfer, UHSO_BULK_ENDPT_MAX); 1286 return (ENOMEM); 1287 } 1288 1289 sc->sc_tty[tty].ht_muxport = -1; 1290 return (0); 1291} 1292 1293static void 1294uhso_bs_read_callback(struct usb_xfer *xfer, usb_error_t error) 1295{ 1296 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1297 struct usb_page_cache *pc; 1298 int actlen; 1299 1300 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1301 1302 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1303 1304 switch (USB_GET_STATE(xfer)) { 1305 case USB_ST_TRANSFERRED: 1306 pc = usbd_xfer_get_frame(xfer, 0); 1307 ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen); 1308 /* FALLTHROUGH */ 1309 case USB_ST_SETUP: 1310tr_setup: 1311 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1312 usbd_transfer_submit(xfer); 1313 break; 1314 default: 1315 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1316 if (error == USB_ERR_CANCELLED) 1317 break; 1318 usbd_xfer_set_stall(xfer); 1319 goto tr_setup; 1320 } 1321} 1322 1323static void 1324uhso_bs_write_callback(struct usb_xfer *xfer, usb_error_t error) 1325{ 1326 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1327 struct usb_page_cache *pc; 1328 int actlen; 1329 1330 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1331 1332 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1333 1334 switch (USB_GET_STATE(xfer)) { 1335 case USB_ST_TRANSFERRED: 1336 case USB_ST_SETUP: 1337tr_setup: 1338 pc = usbd_xfer_get_frame(xfer, 0); 1339 if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) { 1340 usbd_xfer_set_frame_len(xfer, 0, actlen); 1341 usbd_transfer_submit(xfer); 1342 } 1343 break; 1344 break; 1345 default: 1346 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1347 if (error == USB_ERR_CANCELLED) 1348 break; 1349 usbd_xfer_set_stall(xfer); 1350 goto tr_setup; 1351 } 1352} 1353 1354static void 1355uhso_bs_cfg(struct uhso_softc *sc) 1356{ 1357 struct usb_device_request req; 1358 usb_error_t uerr; 1359 1360 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1361 return; 1362 1363 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1364 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 1365 USETW(req.wValue, sc->sc_line); 1366 USETW(req.wIndex, sc->sc_iface_no); 1367 USETW(req.wLength, 0); 1368 1369 uerr = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom[0], &req, NULL, 0, 1000); 1370 if (uerr != 0) { 1371 device_printf(sc->sc_dev, "failed to set ctrl line state to " 1372 "0x%02x: %s\n", sc->sc_line, usbd_errstr(uerr)); 1373 } 1374} 1375 1376static void 1377uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1378{ 1379 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1380 struct usb_page_cache *pc; 1381 int actlen; 1382 struct usb_cdc_notification cdc; 1383 1384 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1385 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1386 1387 switch (USB_GET_STATE(xfer)) { 1388 case USB_ST_TRANSFERRED: 1389 if (actlen < UCDC_NOTIFICATION_LENGTH) { 1390 UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen); 1391 goto tr_setup; 1392 } 1393 else if (actlen > (int)sizeof(struct usb_cdc_notification)) { 1394 UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen); 1395 actlen = sizeof(struct usb_cdc_notification); 1396 } 1397 1398 pc = usbd_xfer_get_frame(xfer, 0); 1399 usbd_copy_out(pc, 0, &cdc, actlen); 1400 1401 if (UGETW(cdc.wIndex) != sc->sc_iface_no) { 1402 UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n", 1403 UGETW(cdc.wIndex), sc->sc_iface_no); 1404 goto tr_setup; 1405 } 1406 1407 if (cdc.bmRequestType == UCDC_NOTIFICATION && 1408 cdc.bNotification == UCDC_N_SERIAL_STATE) { 1409 UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]); 1410 1411 sc->sc_msr = 0; 1412 sc->sc_lsr = 0; 1413 if (cdc.data[0] & UCDC_N_SERIAL_RI) 1414 sc->sc_msr |= SER_RI; 1415 if (cdc.data[0] & UCDC_N_SERIAL_DSR) 1416 sc->sc_msr |= SER_DSR; 1417 if (cdc.data[0] & UCDC_N_SERIAL_DCD) 1418 sc->sc_msr |= SER_DCD; 1419 1420 ucom_status_change(&sc->sc_ucom[0]); 1421 } 1422 case USB_ST_SETUP: 1423tr_setup: 1424 default: 1425 if (error == USB_ERR_CANCELLED) 1426 break; 1427 usbd_xfer_set_stall(xfer); 1428 goto tr_setup; 1429 } 1430} 1431 1432static void 1433uhso_ucom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 1434{ 1435 struct uhso_softc *sc = ucom->sc_parent; 1436 1437 *lsr = sc->sc_lsr; 1438 *msr = sc->sc_msr; 1439} 1440 1441static void 1442uhso_ucom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 1443{ 1444 struct uhso_softc *sc = ucom->sc_parent; 1445 1446 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1447 return; 1448 1449 if (onoff) 1450 sc->sc_line |= UCDC_LINE_DTR; 1451 else 1452 sc->sc_line &= ~UCDC_LINE_DTR; 1453 1454 uhso_bs_cfg(sc); 1455} 1456 1457static void 1458uhso_ucom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 1459{ 1460 struct uhso_softc *sc = ucom->sc_parent; 1461 1462 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1463 return; 1464 1465 if (onoff) 1466 sc->sc_line |= UCDC_LINE_RTS; 1467 else 1468 sc->sc_line &= ~UCDC_LINE_RTS; 1469 1470 uhso_bs_cfg(sc); 1471} 1472 1473static void 1474uhso_ucom_start_read(struct ucom_softc *ucom) 1475{ 1476 struct uhso_softc *sc = ucom->sc_parent; 1477 1478 UHSO_DPRINTF(3, "unit=%d, subunit=%d\n", 1479 ucom->sc_super->sc_unit, ucom->sc_subunit); 1480 1481 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1482 sc->sc_tty[ucom->sc_subunit].ht_open = 1; 1483 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1484 } 1485 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1486 sc->sc_tty[0].ht_open = 1; 1487 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1488 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1489 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1490 } 1491} 1492 1493static void 1494uhso_ucom_stop_read(struct ucom_softc *ucom) 1495{ 1496 1497 struct uhso_softc *sc = ucom->sc_parent; 1498 1499 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1500 sc->sc_tty[ucom->sc_subunit].ht_open = 0; 1501 usbd_transfer_stop( 1502 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_READ]); 1503 } 1504 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1505 sc->sc_tty[0].ht_open = 0; 1506 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1507 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1508 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1509 } 1510} 1511 1512static void 1513uhso_ucom_start_write(struct ucom_softc *ucom) 1514{ 1515 struct uhso_softc *sc = ucom->sc_parent; 1516 1517 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1518 UHSO_DPRINTF(3, "local unit %d\n", ucom->sc_subunit); 1519 1520 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1521 1522 usbd_xfer_set_priv( 1523 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE], 1524 &sc->sc_tty[ucom->sc_subunit]); 1525 usbd_transfer_start( 1526 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1527 1528 } 1529 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1530 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1531 } 1532} 1533 1534static void 1535uhso_ucom_stop_write(struct ucom_softc *ucom) 1536{ 1537 struct uhso_softc *sc = ucom->sc_parent; 1538 1539 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1540 usbd_transfer_stop( 1541 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1542 } 1543 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1544 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1545 } 1546} 1547 1548static int 1549uhso_attach_ifnet(struct uhso_softc *sc, struct usb_interface *iface, int type) 1550{ 1551 struct ifnet *ifp; 1552 usb_error_t uerr; 1553 struct sysctl_ctx_list *sctx; 1554 struct sysctl_oid *soid; 1555 unsigned int devunit; 1556 1557 uerr = usbd_transfer_setup(sc->sc_udev, 1558 &iface->idesc->bInterfaceNumber, sc->sc_if_xfer, 1559 uhso_ifnet_config, UHSO_IFNET_MAX, sc, &sc->sc_mtx); 1560 if (uerr) { 1561 UHSO_DPRINTF(0, "usbd_transfer_setup failed: %s\n", 1562 usbd_errstr(uerr)); 1563 return (-1); 1564 } 1565 1566 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 1567 if (sc->sc_ifp == NULL) { 1568 device_printf(sc->sc_dev, "if_alloc() failed\n"); 1569 return (-1); 1570 } 1571 1572 callout_init_mtx(&sc->sc_c, &sc->sc_mtx, 0); 1573 mtx_lock(&sc->sc_mtx); 1574 callout_reset(&sc->sc_c, 1, uhso_if_rxflush, sc); 1575 mtx_unlock(&sc->sc_mtx); 1576 1577 /* 1578 * We create our own unit numbers for ifnet devices because the 1579 * USB interface unit numbers can be at arbitrary positions yielding 1580 * odd looking device names. 1581 */ 1582 devunit = alloc_unr(uhso_ifnet_unit); 1583 1584 if_initname(ifp, device_get_name(sc->sc_dev), devunit); 1585 ifp->if_mtu = UHSO_MAX_MTU; 1586 ifp->if_ioctl = uhso_if_ioctl; 1587 ifp->if_init = uhso_if_init; 1588 ifp->if_start = uhso_if_start; 1589 ifp->if_output = uhso_if_output; 1590 ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_NOARP; 1591 ifp->if_softc = sc; 1592 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 1593 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 1594 IFQ_SET_READY(&ifp->if_snd); 1595 1596 if_attach(ifp); 1597 bpfattach(ifp, DLT_RAW, 0); 1598 1599 sctx = device_get_sysctl_ctx(sc->sc_dev); 1600 soid = device_get_sysctl_tree(sc->sc_dev); 1601 /* Unlocked read... */ 1602 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "netif", 1603 CTLFLAG_RD, ifp->if_xname, 0, "Attached network interface"); 1604 1605 return (0); 1606} 1607 1608static void 1609uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error) 1610{ 1611 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1612 struct mbuf *m; 1613 struct usb_page_cache *pc; 1614 int actlen; 1615 1616 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1617 1618 UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1619 1620 switch (USB_GET_STATE(xfer)) { 1621 case USB_ST_TRANSFERRED: 1622 if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1623 pc = usbd_xfer_get_frame(xfer, 0); 1624 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1625 usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen); 1626 m->m_pkthdr.len = m->m_len = actlen; 1627 /* Enqueue frame for further processing */ 1628 _IF_ENQUEUE(&sc->sc_rxq, m); 1629 if (!callout_pending(&sc->sc_c) || 1630 !callout_active(&sc->sc_c)) { 1631 callout_schedule(&sc->sc_c, 1); 1632 } 1633 } 1634 /* FALLTHROUGH */ 1635 case USB_ST_SETUP: 1636tr_setup: 1637 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1638 usbd_transfer_submit(xfer); 1639 break; 1640 default: 1641 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1642 if (error == USB_ERR_CANCELLED) 1643 break; 1644 usbd_xfer_set_stall(xfer); 1645 goto tr_setup; 1646 } 1647} 1648 1649/* 1650 * Deferred RX processing, called with mutex locked. 1651 * 1652 * Each frame we receive might contain several small ip-packets as well 1653 * as partial ip-packets. We need to separate/assemble them into individual 1654 * packets before sending them to the ip-layer. 1655 */ 1656static void 1657uhso_if_rxflush(void *arg) 1658{ 1659 struct uhso_softc *sc = arg; 1660 struct ifnet *ifp = sc->sc_ifp; 1661 uint8_t *cp; 1662 struct mbuf *m, *m0, *mwait; 1663 struct ip *ip; 1664#ifdef INET6 1665 struct ip6_hdr *ip6; 1666#endif 1667 uint16_t iplen; 1668 int len, isr; 1669 1670 m = NULL; 1671 mwait = sc->sc_mwait; 1672 for (;;) { 1673 if (m == NULL) { 1674 _IF_DEQUEUE(&sc->sc_rxq, m); 1675 if (m == NULL) 1676 break; 1677 UHSO_DPRINTF(3, "dequeue m=%p, len=%d\n", m, m->m_len); 1678 } 1679 mtx_unlock(&sc->sc_mtx); 1680 1681 /* Do we have a partial packet waiting? */ 1682 if (mwait != NULL) { 1683 m0 = mwait; 1684 mwait = NULL; 1685 1686 UHSO_DPRINTF(3, "partial m0=%p(%d), concat w/ m=%p(%d)\n", 1687 m0, m0->m_len, m, m->m_len); 1688 len = m->m_len + m0->m_len; 1689 1690 /* Concat mbufs and fix headers */ 1691 m_cat(m0, m); 1692 m0->m_pkthdr.len = len; 1693 m->m_flags &= ~M_PKTHDR; 1694 1695 m = m_pullup(m0, sizeof(struct ip)); 1696 if (m == NULL) { 1697 ifp->if_ierrors++; 1698 UHSO_DPRINTF(0, "m_pullup failed\n"); 1699 mtx_lock(&sc->sc_mtx); 1700 continue; 1701 } 1702 UHSO_DPRINTF(3, "Constructed mbuf=%p, len=%d\n", 1703 m, m->m_pkthdr.len); 1704 } 1705 1706 cp = mtod(m, uint8_t *); 1707 ip = (struct ip *)cp; 1708#ifdef INET6 1709 ip6 = (struct ip6_hdr *)cp; 1710#endif 1711 1712 /* Check for IPv4 */ 1713 if (ip->ip_v == IPVERSION) { 1714 iplen = htons(ip->ip_len); 1715 isr = NETISR_IP; 1716 } 1717#ifdef INET6 1718 /* Check for IPv6 */ 1719 else if ((ip6->ip6_vfc & IPV6_VERSION_MASK) == IPV6_VERSION) { 1720 iplen = htons(ip6->ip6_plen); 1721 isr = NETISR_IPV6; 1722 } 1723#endif 1724 else { 1725 UHSO_DPRINTF(0, "got unexpected ip version %d, " 1726 "m=%p, len=%d\n", (*cp & 0xf0) >> 4, m, m->m_len); 1727 ifp->if_ierrors++; 1728 UHSO_HEXDUMP(cp, 4); 1729 m_freem(m); 1730 m = NULL; 1731 mtx_lock(&sc->sc_mtx); 1732 continue; 1733 } 1734 1735 if (iplen == 0) { 1736 UHSO_DPRINTF(0, "Zero IP length\n"); 1737 ifp->if_ierrors++; 1738 m_freem(m); 1739 m = NULL; 1740 mtx_lock(&sc->sc_mtx); 1741 continue; 1742 } 1743 1744 UHSO_DPRINTF(3, "m=%p, len=%d, cp=%p, iplen=%d\n", 1745 m, m->m_pkthdr.len, cp, iplen); 1746 1747 m0 = NULL; 1748 1749 /* More IP packets in this mbuf */ 1750 if (iplen < m->m_pkthdr.len) { 1751 m0 = m; 1752 1753 /* 1754 * Allocate a new mbuf for this IP packet and 1755 * copy the IP-packet into it. 1756 */ 1757 m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); 1758 memcpy(mtod(m, uint8_t *), mtod(m0, uint8_t *), iplen); 1759 m->m_pkthdr.len = m->m_len = iplen; 1760 1761 /* Adjust the size of the original mbuf */ 1762 m_adj(m0, iplen); 1763 m0 = m_defrag(m0, M_WAIT); 1764 1765 UHSO_DPRINTF(3, "New mbuf=%p, len=%d/%d, m0=%p, " 1766 "m0_len=%d/%d\n", m, m->m_pkthdr.len, m->m_len, 1767 m0, m0->m_pkthdr.len, m0->m_len); 1768 } 1769 else if (iplen > m->m_pkthdr.len) { 1770 UHSO_DPRINTF(3, "Deferred mbuf=%p, len=%d\n", 1771 m, m->m_pkthdr.len); 1772 mwait = m; 1773 m = NULL; 1774 mtx_lock(&sc->sc_mtx); 1775 continue; 1776 } 1777 1778 ifp->if_ipackets++; 1779 m->m_pkthdr.rcvif = ifp; 1780 1781 /* Dispatch to IP layer */ 1782 BPF_MTAP(sc->sc_ifp, m); 1783 M_SETFIB(m, ifp->if_fib); 1784 netisr_dispatch(isr, m); 1785 m = m0 != NULL ? m0 : NULL; 1786 mtx_lock(&sc->sc_mtx); 1787 } 1788 sc->sc_mwait = mwait; 1789} 1790 1791static void 1792uhso_ifnet_write_callback(struct usb_xfer *xfer, usb_error_t error) 1793{ 1794 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1795 struct ifnet *ifp = sc->sc_ifp; 1796 struct usb_page_cache *pc; 1797 struct mbuf *m; 1798 int actlen; 1799 1800 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1801 1802 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1803 1804 switch (USB_GET_STATE(xfer)) { 1805 case USB_ST_TRANSFERRED: 1806 ifp->if_opackets++; 1807 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1808 case USB_ST_SETUP: 1809tr_setup: 1810 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 1811 if (m == NULL) 1812 break; 1813 1814 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 1815 1816 if (m->m_pkthdr.len > MCLBYTES) 1817 m->m_pkthdr.len = MCLBYTES; 1818 1819 usbd_xfer_set_frame_len(xfer, 0, m->m_pkthdr.len); 1820 pc = usbd_xfer_get_frame(xfer, 0); 1821 usbd_m_copy_in(pc, 0, m, 0, m->m_pkthdr.len); 1822 usbd_transfer_submit(xfer); 1823 1824 BPF_MTAP(ifp, m); 1825 m_freem(m); 1826 break; 1827 default: 1828 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1829 if (error == USB_ERR_CANCELLED) 1830 break; 1831 usbd_xfer_set_stall(xfer); 1832 goto tr_setup; 1833 } 1834} 1835 1836static int 1837uhso_if_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 1838{ 1839 struct uhso_softc *sc; 1840 1841 sc = ifp->if_softc; 1842 1843 switch (cmd) { 1844 case SIOCSIFFLAGS: 1845 if (ifp->if_flags & IFF_UP) { 1846 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1847 uhso_if_init(sc); 1848 } 1849 } 1850 else { 1851 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 1852 mtx_lock(&sc->sc_mtx); 1853 uhso_if_stop(sc); 1854 mtx_unlock(&sc->sc_mtx); 1855 } 1856 } 1857 break; 1858 case SIOCSIFADDR: 1859 case SIOCSIFDSTADDR: 1860 case SIOCADDMULTI: 1861 case SIOCDELMULTI: 1862 break; 1863 default: 1864 return (EINVAL); 1865 } 1866 return (0); 1867} 1868 1869static void 1870uhso_if_init(void *priv) 1871{ 1872 struct uhso_softc *sc = priv; 1873 struct ifnet *ifp = sc->sc_ifp; 1874 1875 mtx_lock(&sc->sc_mtx); 1876 uhso_if_stop(sc); 1877 ifp = sc->sc_ifp; 1878 ifp->if_flags |= IFF_UP; 1879 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1880 mtx_unlock(&sc->sc_mtx); 1881 1882 UHSO_DPRINTF(2, "ifnet initialized\n"); 1883} 1884 1885static int 1886uhso_if_output(struct ifnet *ifp, struct mbuf *m0, struct sockaddr *dst, 1887 struct route *ro) 1888{ 1889 int error; 1890 1891 /* Only IPv4/6 support */ 1892 if (dst->sa_family != AF_INET 1893#ifdef INET6 1894 && dst->sa_family != AF_INET6 1895#endif 1896 ) { 1897 return (EAFNOSUPPORT); 1898 } 1899 1900 error = (ifp->if_transmit)(ifp, m0); 1901 if (error) { 1902 ifp->if_oerrors++; 1903 return (ENOBUFS); 1904 } 1905 ifp->if_opackets++; 1906 return (0); 1907} 1908 1909static void 1910uhso_if_start(struct ifnet *ifp) 1911{ 1912 struct uhso_softc *sc = ifp->if_softc; 1913 1914 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1915 UHSO_DPRINTF(1, "Not running\n"); 1916 return; 1917 } 1918 1919 mtx_lock(&sc->sc_mtx); 1920 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); 1921 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1922 mtx_unlock(&sc->sc_mtx); 1923 UHSO_DPRINTF(3, "interface started\n"); 1924} 1925 1926static void 1927uhso_if_stop(struct uhso_softc *sc) 1928{ 1929 1930 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); 1931 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1932 sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1933} 1934