uhso.c revision 330897
1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2010 Fredrik Lindberg <fli@shapeshifter.se> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 * 27 */ 28#include <sys/cdefs.h> 29__FBSDID("$FreeBSD: stable/11/sys/dev/usb/net/uhso.c 330897 2018-03-14 03:19:51Z eadler $"); 30 31#include <sys/param.h> 32#include <sys/types.h> 33#include <sys/sockio.h> 34#include <sys/mbuf.h> 35#include <sys/malloc.h> 36#include <sys/kernel.h> 37#include <sys/module.h> 38#include <sys/socket.h> 39#include <sys/tty.h> 40#include <sys/sysctl.h> 41#include <sys/condvar.h> 42#include <sys/sx.h> 43#include <sys/proc.h> 44#include <sys/conf.h> 45#include <sys/bus.h> 46#include <sys/systm.h> 47#include <sys/limits.h> 48 49#include <machine/bus.h> 50 51#include <net/if.h> 52#include <net/if_var.h> 53#include <net/if_types.h> 54#include <net/netisr.h> 55#include <net/bpf.h> 56#include <netinet/in.h> 57#include <netinet/ip.h> 58#include <netinet/ip6.h> 59 60#include <dev/usb/usb.h> 61#include <dev/usb/usbdi.h> 62#include <dev/usb/usbdi_util.h> 63#include <dev/usb/usb_cdc.h> 64#include "usbdevs.h" 65#define USB_DEBUG_VAR uhso_debug 66#include <dev/usb/usb_debug.h> 67#include <dev/usb/usb_process.h> 68#include <dev/usb/usb_busdma.h> 69#include <dev/usb/usb_msctest.h> 70 71#include <dev/usb/serial/usb_serial.h> 72 73struct uhso_tty { 74 struct uhso_softc *ht_sc; 75 struct usb_xfer *ht_xfer[3]; 76 int ht_muxport; /* Mux. port no */ 77 int ht_open; 78 char ht_name[32]; 79}; 80 81struct uhso_softc { 82 device_t sc_dev; 83 struct usb_device *sc_udev; 84 struct mtx sc_mtx; 85 uint32_t sc_type; /* Interface definition */ 86 int sc_radio; 87 88 struct usb_xfer *sc_xfer[3]; 89 uint8_t sc_iface_no; 90 uint8_t sc_iface_index; 91 92 /* Control pipe */ 93 struct usb_xfer * sc_ctrl_xfer[2]; 94 uint8_t sc_ctrl_iface_no; 95 96 /* Network */ 97 struct usb_xfer *sc_if_xfer[2]; 98 struct ifnet *sc_ifp; 99 struct mbuf *sc_mwait; /* Partial packet */ 100 size_t sc_waitlen; /* No. of outstanding bytes */ 101 struct ifqueue sc_rxq; 102 struct callout sc_c; 103 104 /* TTY related structures */ 105 struct ucom_super_softc sc_super_ucom; 106 int sc_ttys; 107 struct uhso_tty *sc_tty; 108 struct ucom_softc *sc_ucom; 109 int sc_msr; 110 int sc_lsr; 111 int sc_line; 112}; 113 114#define UHSO_MAX_MTU 2048 115 116/* 117 * There are mainly two type of cards floating around. 118 * The first one has 2,3 or 4 interfaces with a multiplexed serial port 119 * and packet interface on the first interface and bulk serial ports 120 * on the others. 121 * The second type of card has several other interfaces, their purpose 122 * can be detected during run-time. 123 */ 124#define UHSO_IFACE_SPEC(usb_type, port, port_type) \ 125 (((usb_type) << 24) | ((port) << 16) | (port_type)) 126 127#define UHSO_IFACE_USB_TYPE(x) ((x >> 24) & 0xff) 128#define UHSO_IFACE_PORT(x) ((x >> 16) & 0xff) 129#define UHSO_IFACE_PORT_TYPE(x) (x & 0xff) 130 131/* 132 * USB interface types 133 */ 134#define UHSO_IF_NET 0x01 /* Network packet interface */ 135#define UHSO_IF_MUX 0x02 /* Multiplexed serial port */ 136#define UHSO_IF_BULK 0x04 /* Bulk interface */ 137 138/* 139 * Port types 140 */ 141#define UHSO_PORT_UNKNOWN 0x00 142#define UHSO_PORT_SERIAL 0x01 /* Serial port */ 143#define UHSO_PORT_NETWORK 0x02 /* Network packet interface */ 144 145/* 146 * Multiplexed serial port destination sub-port names 147 */ 148#define UHSO_MPORT_TYPE_CTL 0x00 /* Control port */ 149#define UHSO_MPORT_TYPE_APP 0x01 /* Application */ 150#define UHSO_MPORT_TYPE_PCSC 0x02 151#define UHSO_MPORT_TYPE_GPS 0x03 152#define UHSO_MPORT_TYPE_APP2 0x04 /* Secondary application */ 153#define UHSO_MPORT_TYPE_MAX UHSO_MPORT_TYPE_APP2 154#define UHSO_MPORT_TYPE_NOMAX 8 /* Max number of mux ports */ 155 156/* 157 * Port definitions 158 * Note that these definitions are arbitrary and do not match the values 159 * returned by the auto config descriptor. 160 */ 161#define UHSO_PORT_TYPE_UNKNOWN 0x00 162#define UHSO_PORT_TYPE_CTL 0x01 163#define UHSO_PORT_TYPE_APP 0x02 164#define UHSO_PORT_TYPE_APP2 0x03 165#define UHSO_PORT_TYPE_MODEM 0x04 166#define UHSO_PORT_TYPE_NETWORK 0x05 167#define UHSO_PORT_TYPE_DIAG 0x06 168#define UHSO_PORT_TYPE_DIAG2 0x07 169#define UHSO_PORT_TYPE_GPS 0x08 170#define UHSO_PORT_TYPE_GPSCTL 0x09 171#define UHSO_PORT_TYPE_PCSC 0x0a 172#define UHSO_PORT_TYPE_MSD 0x0b 173#define UHSO_PORT_TYPE_VOICE 0x0c 174#define UHSO_PORT_TYPE_MAX 0x0c 175 176static eventhandler_tag uhso_etag; 177 178/* Overall port type */ 179static char *uhso_port[] = { 180 "Unknown", 181 "Serial", 182 "Network", 183 "Network/Serial" 184}; 185 186/* 187 * Map between interface port type read from device and description type. 188 * The position in this array is a direct map to the auto config 189 * descriptor values. 190 */ 191static unsigned char uhso_port_map[] = { 192 UHSO_PORT_TYPE_UNKNOWN, 193 UHSO_PORT_TYPE_DIAG, 194 UHSO_PORT_TYPE_GPS, 195 UHSO_PORT_TYPE_GPSCTL, 196 UHSO_PORT_TYPE_APP, 197 UHSO_PORT_TYPE_APP2, 198 UHSO_PORT_TYPE_CTL, 199 UHSO_PORT_TYPE_NETWORK, 200 UHSO_PORT_TYPE_MODEM, 201 UHSO_PORT_TYPE_MSD, 202 UHSO_PORT_TYPE_PCSC, 203 UHSO_PORT_TYPE_VOICE 204}; 205static char uhso_port_map_max = sizeof(uhso_port_map) / sizeof(char); 206 207static unsigned char uhso_mux_port_map[] = { 208 UHSO_PORT_TYPE_CTL, 209 UHSO_PORT_TYPE_APP, 210 UHSO_PORT_TYPE_PCSC, 211 UHSO_PORT_TYPE_GPS, 212 UHSO_PORT_TYPE_APP2 213}; 214 215static char *uhso_port_type[] = { 216 "Unknown", /* Not a valid port */ 217 "Control", 218 "Application", 219 "Application (Secondary)", 220 "Modem", 221 "Network", 222 "Diagnostic", 223 "Diagnostic (Secondary)", 224 "GPS", 225 "GPS Control", 226 "PC Smartcard", 227 "MSD", 228 "Voice", 229}; 230 231static char *uhso_port_type_sysctl[] = { 232 "unknown", 233 "control", 234 "application", 235 "application", 236 "modem", 237 "network", 238 "diagnostic", 239 "diagnostic", 240 "gps", 241 "gps_control", 242 "pcsc", 243 "msd", 244 "voice", 245}; 246 247#define UHSO_STATIC_IFACE 0x01 248#define UHSO_AUTO_IFACE 0x02 249 250/* ifnet device unit allocations */ 251static struct unrhdr *uhso_ifnet_unit = NULL; 252 253static const STRUCT_USB_HOST_ID uhso_devs[] = { 254#define UHSO_DEV(v,p,i) { USB_VPI(USB_VENDOR_##v, USB_PRODUCT_##v##_##p, i) } 255 /* Option GlobeTrotter MAX 7.2 with upgraded firmware */ 256 UHSO_DEV(OPTION, GTMAX72, UHSO_STATIC_IFACE), 257 /* Option GlobeSurfer iCON 7.2 */ 258 UHSO_DEV(OPTION, GSICON72, UHSO_STATIC_IFACE), 259 /* Option iCON 225 */ 260 UHSO_DEV(OPTION, GTHSDPA, UHSO_STATIC_IFACE), 261 /* Option GlobeSurfer iCON HSUPA */ 262 UHSO_DEV(OPTION, GSICONHSUPA, UHSO_STATIC_IFACE), 263 /* Option GlobeTrotter HSUPA */ 264 UHSO_DEV(OPTION, GTHSUPA, UHSO_STATIC_IFACE), 265 /* GE40x */ 266 UHSO_DEV(OPTION, GE40X, UHSO_AUTO_IFACE), 267 UHSO_DEV(OPTION, GE40X_1, UHSO_AUTO_IFACE), 268 UHSO_DEV(OPTION, GE40X_2, UHSO_AUTO_IFACE), 269 UHSO_DEV(OPTION, GE40X_3, UHSO_AUTO_IFACE), 270 /* Option GlobeSurfer iCON 401 */ 271 UHSO_DEV(OPTION, ICON401, UHSO_AUTO_IFACE), 272 /* Option GlobeTrotter Module 382 */ 273 UHSO_DEV(OPTION, GMT382, UHSO_AUTO_IFACE), 274 /* Option GTM661W */ 275 UHSO_DEV(OPTION, GTM661W, UHSO_AUTO_IFACE), 276 /* Option iCON EDGE */ 277 UHSO_DEV(OPTION, ICONEDGE, UHSO_STATIC_IFACE), 278 /* Option Module HSxPA */ 279 UHSO_DEV(OPTION, MODHSXPA, UHSO_STATIC_IFACE), 280 /* Option iCON 321 */ 281 UHSO_DEV(OPTION, ICON321, UHSO_STATIC_IFACE), 282 /* Option iCON 322 */ 283 UHSO_DEV(OPTION, GTICON322, UHSO_STATIC_IFACE), 284 /* Option iCON 505 */ 285 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 286 /* Option iCON 452 */ 287 UHSO_DEV(OPTION, ICON505, UHSO_AUTO_IFACE), 288#undef UHSO_DEV 289}; 290 291static SYSCTL_NODE(_hw_usb, OID_AUTO, uhso, CTLFLAG_RW, 0, "USB uhso"); 292static int uhso_autoswitch = 1; 293SYSCTL_INT(_hw_usb_uhso, OID_AUTO, auto_switch, CTLFLAG_RWTUN, 294 &uhso_autoswitch, 0, "Automatically switch to modem mode"); 295 296#ifdef USB_DEBUG 297#ifdef UHSO_DEBUG 298static int uhso_debug = UHSO_DEBUG; 299#else 300static int uhso_debug = -1; 301#endif 302 303SYSCTL_INT(_hw_usb_uhso, OID_AUTO, debug, CTLFLAG_RWTUN, 304 &uhso_debug, 0, "Debug level"); 305 306#define UHSO_DPRINTF(n, x, ...) {\ 307 if (uhso_debug >= n) {\ 308 printf("%s: " x, __func__, ##__VA_ARGS__);\ 309 }\ 310} 311#else 312#define UHSO_DPRINTF(n, x, ...) 313#endif 314 315#ifdef UHSO_DEBUG_HEXDUMP 316# define UHSO_HEXDUMP(_buf, _len) do { \ 317 { \ 318 size_t __tmp; \ 319 const char *__buf = (const char *)_buf; \ 320 for (__tmp = 0; __tmp < _len; __tmp++) \ 321 printf("%02hhx ", *__buf++); \ 322 printf("\n"); \ 323 } \ 324} while(0) 325#else 326# define UHSO_HEXDUMP(_buf, _len) 327#endif 328 329enum { 330 UHSO_MUX_ENDPT_INTR = 0, 331 UHSO_MUX_ENDPT_MAX 332}; 333 334enum { 335 UHSO_CTRL_READ = 0, 336 UHSO_CTRL_WRITE, 337 UHSO_CTRL_MAX 338}; 339 340enum { 341 UHSO_IFNET_READ = 0, 342 UHSO_IFNET_WRITE, 343 UHSO_IFNET_MAX 344}; 345 346enum { 347 UHSO_BULK_ENDPT_READ = 0, 348 UHSO_BULK_ENDPT_WRITE, 349 UHSO_BULK_ENDPT_INTR, 350 UHSO_BULK_ENDPT_MAX 351}; 352 353static usb_callback_t uhso_mux_intr_callback; 354static usb_callback_t uhso_mux_read_callback; 355static usb_callback_t uhso_mux_write_callback; 356static usb_callback_t uhso_bs_read_callback; 357static usb_callback_t uhso_bs_write_callback; 358static usb_callback_t uhso_bs_intr_callback; 359static usb_callback_t uhso_ifnet_read_callback; 360static usb_callback_t uhso_ifnet_write_callback; 361 362/* Config used for the default control pipes */ 363static const struct usb_config uhso_ctrl_config[UHSO_CTRL_MAX] = { 364 [UHSO_CTRL_READ] = { 365 .type = UE_CONTROL, 366 .endpoint = 0x00, 367 .direction = UE_DIR_ANY, 368 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 369 .bufsize = sizeof(struct usb_device_request) + 1024, 370 .callback = &uhso_mux_read_callback 371 }, 372 373 [UHSO_CTRL_WRITE] = { 374 .type = UE_CONTROL, 375 .endpoint = 0x00, 376 .direction = UE_DIR_ANY, 377 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 378 .bufsize = sizeof(struct usb_device_request) + 1024, 379 .timeout = 1000, 380 .callback = &uhso_mux_write_callback 381 } 382}; 383 384/* Config for the multiplexed serial ports */ 385static const struct usb_config uhso_mux_config[UHSO_MUX_ENDPT_MAX] = { 386 [UHSO_MUX_ENDPT_INTR] = { 387 .type = UE_INTERRUPT, 388 .endpoint = UE_ADDR_ANY, 389 .direction = UE_DIR_IN, 390 .flags = { .short_xfer_ok = 1 }, 391 .bufsize = 0, 392 .callback = &uhso_mux_intr_callback, 393 } 394}; 395 396/* Config for the raw IP-packet interface */ 397static const struct usb_config uhso_ifnet_config[UHSO_IFNET_MAX] = { 398 [UHSO_IFNET_READ] = { 399 .type = UE_BULK, 400 .endpoint = UE_ADDR_ANY, 401 .direction = UE_DIR_IN, 402 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 403 .bufsize = MCLBYTES, 404 .callback = &uhso_ifnet_read_callback 405 }, 406 [UHSO_IFNET_WRITE] = { 407 .type = UE_BULK, 408 .endpoint = UE_ADDR_ANY, 409 .direction = UE_DIR_OUT, 410 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 411 .bufsize = MCLBYTES, 412 .timeout = 5 * USB_MS_HZ, 413 .callback = &uhso_ifnet_write_callback 414 } 415}; 416 417/* Config for interfaces with normal bulk serial ports */ 418static const struct usb_config uhso_bs_config[UHSO_BULK_ENDPT_MAX] = { 419 [UHSO_BULK_ENDPT_READ] = { 420 .type = UE_BULK, 421 .endpoint = UE_ADDR_ANY, 422 .direction = UE_DIR_IN, 423 .flags = { .pipe_bof = 1, .short_xfer_ok = 1 }, 424 .bufsize = 4096, 425 .callback = &uhso_bs_read_callback 426 }, 427 428 [UHSO_BULK_ENDPT_WRITE] = { 429 .type = UE_BULK, 430 .endpoint = UE_ADDR_ANY, 431 .direction = UE_DIR_OUT, 432 .flags = { .pipe_bof = 1, .force_short_xfer = 1 }, 433 .bufsize = 8192, 434 .callback = &uhso_bs_write_callback 435 }, 436 437 [UHSO_BULK_ENDPT_INTR] = { 438 .type = UE_INTERRUPT, 439 .endpoint = UE_ADDR_ANY, 440 .direction = UE_DIR_IN, 441 .flags = { .short_xfer_ok = 1 }, 442 .bufsize = 0, 443 .callback = &uhso_bs_intr_callback, 444 } 445}; 446 447static int uhso_probe_iface(struct uhso_softc *, int, 448 int (*probe)(struct usb_device *, int)); 449static int uhso_probe_iface_auto(struct usb_device *, int); 450static int uhso_probe_iface_static(struct usb_device *, int); 451static int uhso_attach_muxserial(struct uhso_softc *, struct usb_interface *, 452 int type); 453static int uhso_attach_bulkserial(struct uhso_softc *, struct usb_interface *, 454 int type); 455static int uhso_attach_ifnet(struct uhso_softc *, struct usb_interface *, 456 int type); 457static void uhso_test_autoinst(void *, struct usb_device *, 458 struct usb_attach_arg *); 459static int uhso_driver_loaded(struct module *, int, void *); 460static int uhso_radio_sysctl(SYSCTL_HANDLER_ARGS); 461static int uhso_radio_ctrl(struct uhso_softc *, int); 462 463static void uhso_free(struct ucom_softc *); 464static void uhso_ucom_start_read(struct ucom_softc *); 465static void uhso_ucom_stop_read(struct ucom_softc *); 466static void uhso_ucom_start_write(struct ucom_softc *); 467static void uhso_ucom_stop_write(struct ucom_softc *); 468static void uhso_ucom_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); 469static void uhso_ucom_cfg_set_dtr(struct ucom_softc *, uint8_t); 470static void uhso_ucom_cfg_set_rts(struct ucom_softc *, uint8_t); 471static void uhso_if_init(void *); 472static void uhso_if_start(struct ifnet *); 473static void uhso_if_stop(struct uhso_softc *); 474static int uhso_if_ioctl(struct ifnet *, u_long, caddr_t); 475static int uhso_if_output(struct ifnet *, struct mbuf *, 476 const struct sockaddr *, struct route *); 477static void uhso_if_rxflush(void *); 478 479static device_probe_t uhso_probe; 480static device_attach_t uhso_attach; 481static device_detach_t uhso_detach; 482static void uhso_free_softc(struct uhso_softc *); 483 484static device_method_t uhso_methods[] = { 485 DEVMETHOD(device_probe, uhso_probe), 486 DEVMETHOD(device_attach, uhso_attach), 487 DEVMETHOD(device_detach, uhso_detach), 488 { 0, 0 } 489}; 490 491static driver_t uhso_driver = { 492 .name = "uhso", 493 .methods = uhso_methods, 494 .size = sizeof(struct uhso_softc) 495}; 496 497static devclass_t uhso_devclass; 498DRIVER_MODULE(uhso, uhub, uhso_driver, uhso_devclass, uhso_driver_loaded, 0); 499MODULE_DEPEND(uhso, ucom, 1, 1, 1); 500MODULE_DEPEND(uhso, usb, 1, 1, 1); 501MODULE_VERSION(uhso, 1); 502USB_PNP_HOST_INFO(uhso_devs); 503 504static struct ucom_callback uhso_ucom_callback = { 505 .ucom_cfg_get_status = &uhso_ucom_cfg_get_status, 506 .ucom_cfg_set_dtr = &uhso_ucom_cfg_set_dtr, 507 .ucom_cfg_set_rts = &uhso_ucom_cfg_set_rts, 508 .ucom_start_read = uhso_ucom_start_read, 509 .ucom_stop_read = uhso_ucom_stop_read, 510 .ucom_start_write = uhso_ucom_start_write, 511 .ucom_stop_write = uhso_ucom_stop_write, 512 .ucom_free = &uhso_free, 513}; 514 515static int 516uhso_probe(device_t self) 517{ 518 struct usb_attach_arg *uaa = device_get_ivars(self); 519 int error; 520 521 if (uaa->usb_mode != USB_MODE_HOST) 522 return (ENXIO); 523 if (uaa->info.bConfigIndex != 0) 524 return (ENXIO); 525 if (uaa->info.bDeviceClass != 0xff) 526 return (ENXIO); 527 528 error = usbd_lookup_id_by_uaa(uhso_devs, sizeof(uhso_devs), uaa); 529 if (error != 0) 530 return (error); 531 532 /* 533 * Probe device to see if we are able to attach 534 * to this interface or not. 535 */ 536 if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) { 537 if (uhso_probe_iface_auto(uaa->device, 538 uaa->info.bIfaceNum) == 0) 539 return (ENXIO); 540 } 541 return (error); 542} 543 544static int 545uhso_attach(device_t self) 546{ 547 struct uhso_softc *sc = device_get_softc(self); 548 struct usb_attach_arg *uaa = device_get_ivars(self); 549 struct usb_interface_descriptor *id; 550 struct sysctl_ctx_list *sctx; 551 struct sysctl_oid *soid; 552 struct sysctl_oid *tree = NULL, *tty_node; 553 struct ucom_softc *ucom; 554 struct uhso_tty *ht; 555 int i, error, port; 556 void *probe_f; 557 usb_error_t uerr; 558 char *desc; 559 560 sc->sc_dev = self; 561 sc->sc_udev = uaa->device; 562 mtx_init(&sc->sc_mtx, "uhso", NULL, MTX_DEF); 563 ucom_ref(&sc->sc_super_ucom); 564 565 sc->sc_radio = 1; 566 567 id = usbd_get_interface_descriptor(uaa->iface); 568 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 569 570 sc->sc_iface_no = uaa->info.bIfaceNum; 571 sc->sc_iface_index = uaa->info.bIfaceIndex; 572 573 /* Setup control pipe */ 574 uerr = usbd_transfer_setup(uaa->device, 575 &sc->sc_iface_index, sc->sc_ctrl_xfer, 576 uhso_ctrl_config, UHSO_CTRL_MAX, sc, &sc->sc_mtx); 577 if (uerr) { 578 device_printf(self, "Failed to setup control pipe: %s\n", 579 usbd_errstr(uerr)); 580 goto out; 581 } 582 583 if (USB_GET_DRIVER_INFO(uaa) == UHSO_STATIC_IFACE) 584 probe_f = uhso_probe_iface_static; 585 else if (USB_GET_DRIVER_INFO(uaa) == UHSO_AUTO_IFACE) 586 probe_f = uhso_probe_iface_auto; 587 else 588 goto out; 589 590 error = uhso_probe_iface(sc, uaa->info.bIfaceNum, probe_f); 591 if (error != 0) 592 goto out; 593 594 sctx = device_get_sysctl_ctx(sc->sc_dev); 595 soid = device_get_sysctl_tree(sc->sc_dev); 596 597 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "type", 598 CTLFLAG_RD, uhso_port[UHSO_IFACE_PORT(sc->sc_type)], 0, 599 "Port available at this interface"); 600 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "radio", 601 CTLTYPE_INT | CTLFLAG_RWTUN, sc, 0, uhso_radio_sysctl, "I", "Enable radio"); 602 603 /* 604 * The default interface description on most Option devices isn't 605 * very helpful. So we skip device_set_usb_desc and set the 606 * device description manually. 607 */ 608 device_set_desc_copy(self, uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)]); 609 /* Announce device */ 610 device_printf(self, "<%s port> at <%s %s> on %s\n", 611 uhso_port_type[UHSO_IFACE_PORT_TYPE(sc->sc_type)], 612 usb_get_manufacturer(uaa->device), 613 usb_get_product(uaa->device), 614 device_get_nameunit(device_get_parent(self))); 615 616 if (sc->sc_ttys > 0) { 617 SYSCTL_ADD_INT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "ports", 618 CTLFLAG_RD, &sc->sc_ttys, 0, "Number of attached serial ports"); 619 620 tree = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, 621 "port", CTLFLAG_RD, NULL, "Serial ports"); 622 } 623 624 /* 625 * Loop through the number of found TTYs and create sysctl 626 * nodes for them. 627 */ 628 for (i = 0; i < sc->sc_ttys; i++) { 629 ht = &sc->sc_tty[i]; 630 ucom = &sc->sc_ucom[i]; 631 632 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) 633 port = uhso_mux_port_map[ht->ht_muxport]; 634 else 635 port = UHSO_IFACE_PORT_TYPE(sc->sc_type); 636 637 desc = uhso_port_type_sysctl[port]; 638 639 tty_node = SYSCTL_ADD_NODE(sctx, SYSCTL_CHILDREN(tree), OID_AUTO, 640 desc, CTLFLAG_RD, NULL, ""); 641 642 ht->ht_name[0] = 0; 643 if (sc->sc_ttys == 1) 644 snprintf(ht->ht_name, 32, "cuaU%d", ucom->sc_super->sc_unit); 645 else { 646 snprintf(ht->ht_name, 32, "cuaU%d.%d", 647 ucom->sc_super->sc_unit, ucom->sc_subunit); 648 } 649 650 desc = uhso_port_type[port]; 651 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 652 "tty", CTLFLAG_RD, ht->ht_name, 0, ""); 653 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(tty_node), OID_AUTO, 654 "desc", CTLFLAG_RD, desc, 0, ""); 655 656 if (bootverbose) 657 device_printf(sc->sc_dev, 658 "\"%s\" port at %s\n", desc, ht->ht_name); 659 } 660 661 return (0); 662out: 663 uhso_detach(sc->sc_dev); 664 return (ENXIO); 665} 666 667static int 668uhso_detach(device_t self) 669{ 670 struct uhso_softc *sc = device_get_softc(self); 671 int i; 672 673 usbd_transfer_unsetup(sc->sc_xfer, 3); 674 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UHSO_CTRL_MAX); 675 if (sc->sc_ttys > 0) { 676 ucom_detach(&sc->sc_super_ucom, sc->sc_ucom); 677 678 for (i = 0; i < sc->sc_ttys; i++) { 679 if (sc->sc_tty[i].ht_muxport != -1) { 680 usbd_transfer_unsetup(sc->sc_tty[i].ht_xfer, 681 UHSO_CTRL_MAX); 682 } 683 } 684 } 685 686 if (sc->sc_ifp != NULL) { 687 callout_drain(&sc->sc_c); 688 free_unr(uhso_ifnet_unit, sc->sc_ifp->if_dunit); 689 mtx_lock(&sc->sc_mtx); 690 uhso_if_stop(sc); 691 bpfdetach(sc->sc_ifp); 692 if_detach(sc->sc_ifp); 693 if_free(sc->sc_ifp); 694 mtx_unlock(&sc->sc_mtx); 695 usbd_transfer_unsetup(sc->sc_if_xfer, UHSO_IFNET_MAX); 696 } 697 698 device_claim_softc(self); 699 700 uhso_free_softc(sc); 701 702 return (0); 703} 704 705UCOM_UNLOAD_DRAIN(uhso); 706 707static void 708uhso_free_softc(struct uhso_softc *sc) 709{ 710 if (ucom_unref(&sc->sc_super_ucom)) { 711 free(sc->sc_tty, M_USBDEV); 712 free(sc->sc_ucom, M_USBDEV); 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: 1230tr_setup: 1231 pc = usbd_xfer_get_frame(xfer, 1); 1232 if (ucom_get_data(&sc->sc_ucom[ht->ht_muxport], pc, 1233 0, 32, &actlen)) { 1234 1235 usbd_get_page(pc, 0, &res); 1236 1237 memset(&req, 0, sizeof(struct usb_device_request)); 1238 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1239 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 1240 USETW(req.wValue, 0); 1241 USETW(req.wIndex, ht->ht_muxport); 1242 USETW(req.wLength, actlen); 1243 1244 pc = usbd_xfer_get_frame(xfer, 0); 1245 usbd_copy_in(pc, 0, &req, sizeof(req)); 1246 1247 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 1248 usbd_xfer_set_frame_len(xfer, 1, actlen); 1249 usbd_xfer_set_frames(xfer, 2); 1250 1251 UHSO_DPRINTF(3, "Prepared %d bytes for transmit " 1252 "on muxport %d\n", actlen, ht->ht_muxport); 1253 1254 usbd_transfer_submit(xfer); 1255 } 1256 break; 1257 default: 1258 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1259 if (error == USB_ERR_CANCELLED) 1260 break; 1261 usbd_xfer_set_stall(xfer); 1262 goto tr_setup; 1263 } 1264} 1265 1266static int 1267uhso_attach_bulkserial(struct uhso_softc *sc, struct usb_interface *iface, 1268 int type) 1269{ 1270 usb_error_t uerr; 1271 int tty; 1272 1273 /* Try attaching RD/WR/INTR first */ 1274 uerr = usbd_transfer_setup(sc->sc_udev, 1275 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1276 uhso_bs_config, UHSO_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1277 if (uerr) { 1278 /* Try only RD/WR */ 1279 uerr = usbd_transfer_setup(sc->sc_udev, 1280 &iface->idesc->bInterfaceNumber, sc->sc_xfer, 1281 uhso_bs_config, UHSO_BULK_ENDPT_MAX - 1, sc, &sc->sc_mtx); 1282 } 1283 if (uerr) { 1284 UHSO_DPRINTF(0, "usbd_transfer_setup failed"); 1285 return (-1); 1286 } 1287 1288 tty = uhso_alloc_tty(sc); 1289 if (tty < 0) { 1290 usbd_transfer_unsetup(sc->sc_xfer, UHSO_BULK_ENDPT_MAX); 1291 return (ENOMEM); 1292 } 1293 1294 sc->sc_tty[tty].ht_muxport = -1; 1295 return (0); 1296} 1297 1298static void 1299uhso_bs_read_callback(struct usb_xfer *xfer, usb_error_t error) 1300{ 1301 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1302 struct usb_page_cache *pc; 1303 int actlen; 1304 1305 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1306 1307 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1308 1309 switch (USB_GET_STATE(xfer)) { 1310 case USB_ST_TRANSFERRED: 1311 pc = usbd_xfer_get_frame(xfer, 0); 1312 ucom_put_data(&sc->sc_ucom[0], pc, 0, actlen); 1313 /* FALLTHROUGH */ 1314 case USB_ST_SETUP: 1315tr_setup: 1316 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1317 usbd_transfer_submit(xfer); 1318 break; 1319 default: 1320 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1321 if (error == USB_ERR_CANCELLED) 1322 break; 1323 usbd_xfer_set_stall(xfer); 1324 goto tr_setup; 1325 } 1326} 1327 1328static void 1329uhso_bs_write_callback(struct usb_xfer *xfer, usb_error_t error) 1330{ 1331 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1332 struct usb_page_cache *pc; 1333 int actlen; 1334 1335 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1336 1337 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1338 1339 switch (USB_GET_STATE(xfer)) { 1340 case USB_ST_TRANSFERRED: 1341 case USB_ST_SETUP: 1342tr_setup: 1343 pc = usbd_xfer_get_frame(xfer, 0); 1344 if (ucom_get_data(&sc->sc_ucom[0], pc, 0, 8192, &actlen)) { 1345 usbd_xfer_set_frame_len(xfer, 0, actlen); 1346 usbd_transfer_submit(xfer); 1347 } 1348 break; 1349 break; 1350 default: 1351 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1352 if (error == USB_ERR_CANCELLED) 1353 break; 1354 usbd_xfer_set_stall(xfer); 1355 goto tr_setup; 1356 } 1357} 1358 1359static void 1360uhso_bs_cfg(struct uhso_softc *sc) 1361{ 1362 struct usb_device_request req; 1363 usb_error_t uerr; 1364 1365 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1366 return; 1367 1368 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1369 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 1370 USETW(req.wValue, sc->sc_line); 1371 USETW(req.wIndex, sc->sc_iface_no); 1372 USETW(req.wLength, 0); 1373 1374 uerr = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom[0], &req, NULL, 0, 1000); 1375 if (uerr != 0) { 1376 device_printf(sc->sc_dev, "failed to set ctrl line state to " 1377 "0x%02x: %s\n", sc->sc_line, usbd_errstr(uerr)); 1378 } 1379} 1380 1381static void 1382uhso_bs_intr_callback(struct usb_xfer *xfer, usb_error_t error) 1383{ 1384 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1385 struct usb_page_cache *pc; 1386 int actlen; 1387 struct usb_cdc_notification cdc; 1388 1389 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1390 UHSO_DPRINTF(3, "status %d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1391 1392 switch (USB_GET_STATE(xfer)) { 1393 case USB_ST_TRANSFERRED: 1394 if (actlen < UCDC_NOTIFICATION_LENGTH) { 1395 UHSO_DPRINTF(0, "UCDC notification too short: %d\n", actlen); 1396 goto tr_setup; 1397 } 1398 else if (actlen > (int)sizeof(struct usb_cdc_notification)) { 1399 UHSO_DPRINTF(0, "UCDC notification too large: %d\n", actlen); 1400 actlen = sizeof(struct usb_cdc_notification); 1401 } 1402 1403 pc = usbd_xfer_get_frame(xfer, 0); 1404 usbd_copy_out(pc, 0, &cdc, actlen); 1405 1406 if (UGETW(cdc.wIndex) != sc->sc_iface_no) { 1407 UHSO_DPRINTF(0, "Interface mismatch, got %d expected %d\n", 1408 UGETW(cdc.wIndex), sc->sc_iface_no); 1409 goto tr_setup; 1410 } 1411 1412 if (cdc.bmRequestType == UCDC_NOTIFICATION && 1413 cdc.bNotification == UCDC_N_SERIAL_STATE) { 1414 UHSO_DPRINTF(2, "notify = 0x%02x\n", cdc.data[0]); 1415 1416 sc->sc_msr = 0; 1417 sc->sc_lsr = 0; 1418 if (cdc.data[0] & UCDC_N_SERIAL_RI) 1419 sc->sc_msr |= SER_RI; 1420 if (cdc.data[0] & UCDC_N_SERIAL_DSR) 1421 sc->sc_msr |= SER_DSR; 1422 if (cdc.data[0] & UCDC_N_SERIAL_DCD) 1423 sc->sc_msr |= SER_DCD; 1424 1425 ucom_status_change(&sc->sc_ucom[0]); 1426 } 1427 case USB_ST_SETUP: 1428tr_setup: 1429 default: 1430 if (error == USB_ERR_CANCELLED) 1431 break; 1432 usbd_xfer_set_stall(xfer); 1433 goto tr_setup; 1434 } 1435} 1436 1437static void 1438uhso_ucom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 1439{ 1440 struct uhso_softc *sc = ucom->sc_parent; 1441 1442 *lsr = sc->sc_lsr; 1443 *msr = sc->sc_msr; 1444} 1445 1446static void 1447uhso_ucom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 1448{ 1449 struct uhso_softc *sc = ucom->sc_parent; 1450 1451 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1452 return; 1453 1454 if (onoff) 1455 sc->sc_line |= UCDC_LINE_DTR; 1456 else 1457 sc->sc_line &= ~UCDC_LINE_DTR; 1458 1459 uhso_bs_cfg(sc); 1460} 1461 1462static void 1463uhso_ucom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 1464{ 1465 struct uhso_softc *sc = ucom->sc_parent; 1466 1467 if (!(UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK)) 1468 return; 1469 1470 if (onoff) 1471 sc->sc_line |= UCDC_LINE_RTS; 1472 else 1473 sc->sc_line &= ~UCDC_LINE_RTS; 1474 1475 uhso_bs_cfg(sc); 1476} 1477 1478static void 1479uhso_ucom_start_read(struct ucom_softc *ucom) 1480{ 1481 struct uhso_softc *sc = ucom->sc_parent; 1482 1483 UHSO_DPRINTF(3, "unit=%d, subunit=%d\n", 1484 ucom->sc_super->sc_unit, ucom->sc_subunit); 1485 1486 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1487 sc->sc_tty[ucom->sc_subunit].ht_open = 1; 1488 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1489 } 1490 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1491 sc->sc_tty[0].ht_open = 1; 1492 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1493 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1494 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1495 } 1496} 1497 1498static void 1499uhso_ucom_stop_read(struct ucom_softc *ucom) 1500{ 1501 1502 struct uhso_softc *sc = ucom->sc_parent; 1503 1504 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1505 sc->sc_tty[ucom->sc_subunit].ht_open = 0; 1506 usbd_transfer_stop( 1507 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_READ]); 1508 } 1509 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1510 sc->sc_tty[0].ht_open = 0; 1511 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_READ]); 1512 if (sc->sc_xfer[UHSO_BULK_ENDPT_INTR] != NULL) 1513 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_INTR]); 1514 } 1515} 1516 1517static void 1518uhso_ucom_start_write(struct ucom_softc *ucom) 1519{ 1520 struct uhso_softc *sc = ucom->sc_parent; 1521 1522 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1523 UHSO_DPRINTF(3, "local unit %d\n", ucom->sc_subunit); 1524 1525 usbd_transfer_start(sc->sc_xfer[UHSO_MUX_ENDPT_INTR]); 1526 1527 usbd_xfer_set_priv( 1528 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE], 1529 &sc->sc_tty[ucom->sc_subunit]); 1530 usbd_transfer_start( 1531 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1532 1533 } 1534 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1535 usbd_transfer_start(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1536 } 1537} 1538 1539static void 1540uhso_ucom_stop_write(struct ucom_softc *ucom) 1541{ 1542 struct uhso_softc *sc = ucom->sc_parent; 1543 1544 if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_MUX) { 1545 usbd_transfer_stop( 1546 sc->sc_tty[ucom->sc_subunit].ht_xfer[UHSO_CTRL_WRITE]); 1547 } 1548 else if (UHSO_IFACE_USB_TYPE(sc->sc_type) & UHSO_IF_BULK) { 1549 usbd_transfer_stop(sc->sc_xfer[UHSO_BULK_ENDPT_WRITE]); 1550 } 1551} 1552 1553static int 1554uhso_attach_ifnet(struct uhso_softc *sc, struct usb_interface *iface, int type) 1555{ 1556 struct ifnet *ifp; 1557 usb_error_t uerr; 1558 struct sysctl_ctx_list *sctx; 1559 struct sysctl_oid *soid; 1560 unsigned int devunit; 1561 1562 uerr = usbd_transfer_setup(sc->sc_udev, 1563 &iface->idesc->bInterfaceNumber, sc->sc_if_xfer, 1564 uhso_ifnet_config, UHSO_IFNET_MAX, sc, &sc->sc_mtx); 1565 if (uerr) { 1566 UHSO_DPRINTF(0, "usbd_transfer_setup failed: %s\n", 1567 usbd_errstr(uerr)); 1568 return (-1); 1569 } 1570 1571 sc->sc_ifp = ifp = if_alloc(IFT_OTHER); 1572 if (sc->sc_ifp == NULL) { 1573 device_printf(sc->sc_dev, "if_alloc() failed\n"); 1574 return (-1); 1575 } 1576 1577 callout_init_mtx(&sc->sc_c, &sc->sc_mtx, 0); 1578 mtx_lock(&sc->sc_mtx); 1579 callout_reset(&sc->sc_c, 1, uhso_if_rxflush, sc); 1580 mtx_unlock(&sc->sc_mtx); 1581 1582 /* 1583 * We create our own unit numbers for ifnet devices because the 1584 * USB interface unit numbers can be at arbitrary positions yielding 1585 * odd looking device names. 1586 */ 1587 devunit = alloc_unr(uhso_ifnet_unit); 1588 1589 if_initname(ifp, device_get_name(sc->sc_dev), devunit); 1590 ifp->if_mtu = UHSO_MAX_MTU; 1591 ifp->if_ioctl = uhso_if_ioctl; 1592 ifp->if_init = uhso_if_init; 1593 ifp->if_start = uhso_if_start; 1594 ifp->if_output = uhso_if_output; 1595 ifp->if_flags = IFF_BROADCAST | IFF_MULTICAST | IFF_NOARP; 1596 ifp->if_softc = sc; 1597 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 1598 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen; 1599 IFQ_SET_READY(&ifp->if_snd); 1600 1601 if_attach(ifp); 1602 bpfattach(ifp, DLT_RAW, 0); 1603 1604 sctx = device_get_sysctl_ctx(sc->sc_dev); 1605 soid = device_get_sysctl_tree(sc->sc_dev); 1606 /* Unlocked read... */ 1607 SYSCTL_ADD_STRING(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "netif", 1608 CTLFLAG_RD, ifp->if_xname, 0, "Attached network interface"); 1609 1610 return (0); 1611} 1612 1613static void 1614uhso_ifnet_read_callback(struct usb_xfer *xfer, usb_error_t error) 1615{ 1616 struct uhso_softc *sc = usbd_xfer_softc(xfer); 1617 struct mbuf *m; 1618 struct usb_page_cache *pc; 1619 int actlen; 1620 1621 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 1622 1623 UHSO_DPRINTF(3, "status=%d, actlen=%d\n", USB_GET_STATE(xfer), actlen); 1624 1625 switch (USB_GET_STATE(xfer)) { 1626 case USB_ST_TRANSFERRED: 1627 if (actlen > 0 && (sc->sc_ifp->if_drv_flags & IFF_DRV_RUNNING)) { 1628 pc = usbd_xfer_get_frame(xfer, 0); 1629 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1630 usbd_copy_out(pc, 0, mtod(m, uint8_t *), actlen); 1631 m->m_pkthdr.len = m->m_len = actlen; 1632 /* Enqueue frame for further processing */ 1633 _IF_ENQUEUE(&sc->sc_rxq, m); 1634 if (!callout_pending(&sc->sc_c) || 1635 !callout_active(&sc->sc_c)) { 1636 callout_schedule(&sc->sc_c, 1); 1637 } 1638 } 1639 /* FALLTHROUGH */ 1640 case USB_ST_SETUP: 1641tr_setup: 1642 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 1643 usbd_transfer_submit(xfer); 1644 break; 1645 default: 1646 UHSO_DPRINTF(0, "error: %s\n", usbd_errstr(error)); 1647 if (error == USB_ERR_CANCELLED) 1648 break; 1649 usbd_xfer_set_stall(xfer); 1650 goto tr_setup; 1651 } 1652} 1653 1654/* 1655 * Deferred RX processing, called with mutex locked. 1656 * 1657 * Each frame we receive might contain several small ip-packets as well 1658 * as partial ip-packets. We need to separate/assemble them into individual 1659 * packets before sending them to the ip-layer. 1660 */ 1661static void 1662uhso_if_rxflush(void *arg) 1663{ 1664 struct uhso_softc *sc = arg; 1665 struct ifnet *ifp = sc->sc_ifp; 1666 uint8_t *cp; 1667 struct mbuf *m, *m0, *mwait; 1668 struct ip *ip; 1669#ifdef INET6 1670 struct ip6_hdr *ip6; 1671#endif 1672 uint16_t iplen; 1673 int isr; 1674 1675 m = NULL; 1676 mwait = sc->sc_mwait; 1677 for (;;) { 1678 if (m == NULL) { 1679 _IF_DEQUEUE(&sc->sc_rxq, m); 1680 if (m == NULL) 1681 break; 1682 UHSO_DPRINTF(3, "dequeue m=%p, len=%d\n", m, m->m_len); 1683 } 1684 mtx_unlock(&sc->sc_mtx); 1685 1686 /* Do we have a partial packet waiting? */ 1687 if (mwait != NULL) { 1688 m0 = mwait; 1689 mwait = NULL; 1690 1691 UHSO_DPRINTF(3, "partial m0=%p(%d), concat w/ m=%p(%d)\n", 1692 m0, m0->m_len, m, m->m_len); 1693 1694 m_catpkt(m0, m); 1695 m = m_pullup(m0, sizeof(struct ip)); 1696 if (m == NULL) { 1697 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 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 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 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 if_inc_counter(ifp, IFCOUNTER_IERRORS, 1); 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_NOWAIT, 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_WAITOK); 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 if_inc_counter(ifp, IFCOUNTER_IPACKETS, 1); 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 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 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 SIOCADDMULTI: 1860 case SIOCDELMULTI: 1861 break; 1862 default: 1863 return (EINVAL); 1864 } 1865 return (0); 1866} 1867 1868static void 1869uhso_if_init(void *priv) 1870{ 1871 struct uhso_softc *sc = priv; 1872 struct ifnet *ifp = sc->sc_ifp; 1873 1874 mtx_lock(&sc->sc_mtx); 1875 uhso_if_stop(sc); 1876 ifp = sc->sc_ifp; 1877 ifp->if_flags |= IFF_UP; 1878 ifp->if_drv_flags |= IFF_DRV_RUNNING; 1879 mtx_unlock(&sc->sc_mtx); 1880 1881 UHSO_DPRINTF(2, "ifnet initialized\n"); 1882} 1883 1884static int 1885uhso_if_output(struct ifnet *ifp, struct mbuf *m0, const struct sockaddr *dst, 1886 struct route *ro) 1887{ 1888 int error; 1889 1890 /* Only IPv4/6 support */ 1891 if (dst->sa_family != AF_INET 1892#ifdef INET6 1893 && dst->sa_family != AF_INET6 1894#endif 1895 ) { 1896 return (EAFNOSUPPORT); 1897 } 1898 1899 error = (ifp->if_transmit)(ifp, m0); 1900 if (error) { 1901 if_inc_counter(ifp, IFCOUNTER_OERRORS, 1); 1902 return (ENOBUFS); 1903 } 1904 if_inc_counter(ifp, IFCOUNTER_OPACKETS, 1); 1905 return (0); 1906} 1907 1908static void 1909uhso_if_start(struct ifnet *ifp) 1910{ 1911 struct uhso_softc *sc = ifp->if_softc; 1912 1913 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 1914 UHSO_DPRINTF(1, "Not running\n"); 1915 return; 1916 } 1917 1918 mtx_lock(&sc->sc_mtx); 1919 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_READ]); 1920 usbd_transfer_start(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1921 mtx_unlock(&sc->sc_mtx); 1922 UHSO_DPRINTF(3, "interface started\n"); 1923} 1924 1925static void 1926uhso_if_stop(struct uhso_softc *sc) 1927{ 1928 1929 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_READ]); 1930 usbd_transfer_stop(sc->sc_if_xfer[UHSO_IFNET_WRITE]); 1931 sc->sc_ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 1932} 1933