if_upgt.c revision 246765
1/* $OpenBSD: if_upgt.c,v 1.35 2008/04/16 18:32:15 damien Exp $ */ 2/* $FreeBSD: head/sys/dev/usb/wlan/if_upgt.c 246765 2013-02-13 15:43:15Z hselasky $ */ 3 4/* 5 * Copyright (c) 2007 Marcus Glocker <mglocker@openbsd.org> 6 * 7 * Permission to use, copy, modify, and distribute this software for any 8 * purpose with or without fee is hereby granted, provided that the above 9 * copyright notice and this permission notice appear in all copies. 10 * 11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 18 */ 19 20#include <sys/param.h> 21#include <sys/systm.h> 22#include <sys/kernel.h> 23#include <sys/endian.h> 24#include <sys/firmware.h> 25#include <sys/linker.h> 26#include <sys/mbuf.h> 27#include <sys/malloc.h> 28#include <sys/module.h> 29#include <sys/socket.h> 30#include <sys/sockio.h> 31#include <sys/sysctl.h> 32 33#include <net/if.h> 34#include <net/if_arp.h> 35#include <net/ethernet.h> 36#include <net/if_dl.h> 37#include <net/if_media.h> 38#include <net/if_types.h> 39 40#include <sys/bus.h> 41#include <machine/bus.h> 42 43#include <net80211/ieee80211_var.h> 44#include <net80211/ieee80211_phy.h> 45#include <net80211/ieee80211_radiotap.h> 46#include <net80211/ieee80211_regdomain.h> 47 48#include <net/bpf.h> 49 50#include <dev/usb/usb.h> 51#include <dev/usb/usbdi.h> 52#include "usbdevs.h" 53 54#include <dev/usb/wlan/if_upgtvar.h> 55 56/* 57 * Driver for the USB PrismGT devices. 58 * 59 * For now just USB 2.0 devices with the GW3887 chipset are supported. 60 * The driver has been written based on the firmware version 2.13.1.0_LM87. 61 * 62 * TODO's: 63 * - MONITOR mode test. 64 * - Add HOSTAP mode. 65 * - Add IBSS mode. 66 * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 67 * 68 * Parts of this driver has been influenced by reading the p54u driver 69 * written by Jean-Baptiste Note <jean-baptiste.note@m4x.org> and 70 * Sebastien Bourdeauducq <lekernel@prism54.org>. 71 */ 72 73static SYSCTL_NODE(_hw, OID_AUTO, upgt, CTLFLAG_RD, 0, 74 "USB PrismGT GW3887 driver parameters"); 75 76#ifdef UPGT_DEBUG 77int upgt_debug = 0; 78SYSCTL_INT(_hw_upgt, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, &upgt_debug, 79 0, "control debugging printfs"); 80TUNABLE_INT("hw.upgt.debug", &upgt_debug); 81enum { 82 UPGT_DEBUG_XMIT = 0x00000001, /* basic xmit operation */ 83 UPGT_DEBUG_RECV = 0x00000002, /* basic recv operation */ 84 UPGT_DEBUG_RESET = 0x00000004, /* reset processing */ 85 UPGT_DEBUG_INTR = 0x00000008, /* INTR */ 86 UPGT_DEBUG_TX_PROC = 0x00000010, /* tx ISR proc */ 87 UPGT_DEBUG_RX_PROC = 0x00000020, /* rx ISR proc */ 88 UPGT_DEBUG_STATE = 0x00000040, /* 802.11 state transitions */ 89 UPGT_DEBUG_STAT = 0x00000080, /* statistic */ 90 UPGT_DEBUG_FW = 0x00000100, /* firmware */ 91 UPGT_DEBUG_ANY = 0xffffffff 92}; 93#define DPRINTF(sc, m, fmt, ...) do { \ 94 if (sc->sc_debug & (m)) \ 95 printf(fmt, __VA_ARGS__); \ 96} while (0) 97#else 98#define DPRINTF(sc, m, fmt, ...) do { \ 99 (void) sc; \ 100} while (0) 101#endif 102 103/* 104 * Prototypes. 105 */ 106static device_probe_t upgt_match; 107static device_attach_t upgt_attach; 108static device_detach_t upgt_detach; 109static int upgt_alloc_tx(struct upgt_softc *); 110static int upgt_alloc_rx(struct upgt_softc *); 111static int upgt_device_reset(struct upgt_softc *); 112static void upgt_bulk_tx(struct upgt_softc *, struct upgt_data *); 113static int upgt_fw_verify(struct upgt_softc *); 114static int upgt_mem_init(struct upgt_softc *); 115static int upgt_fw_load(struct upgt_softc *); 116static int upgt_fw_copy(const uint8_t *, char *, int); 117static uint32_t upgt_crc32_le(const void *, size_t); 118static struct mbuf * 119 upgt_rxeof(struct usb_xfer *, struct upgt_data *, int *); 120static struct mbuf * 121 upgt_rx(struct upgt_softc *, uint8_t *, int, int *); 122static void upgt_txeof(struct usb_xfer *, struct upgt_data *); 123static int upgt_eeprom_read(struct upgt_softc *); 124static int upgt_eeprom_parse(struct upgt_softc *); 125static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 126static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 127static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 128static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 129static uint32_t upgt_chksum_le(const uint32_t *, size_t); 130static void upgt_tx_done(struct upgt_softc *, uint8_t *); 131static void upgt_init(void *); 132static void upgt_init_locked(struct upgt_softc *); 133static int upgt_ioctl(struct ifnet *, u_long, caddr_t); 134static void upgt_start(struct ifnet *); 135static int upgt_raw_xmit(struct ieee80211_node *, struct mbuf *, 136 const struct ieee80211_bpf_params *); 137static void upgt_scan_start(struct ieee80211com *); 138static void upgt_scan_end(struct ieee80211com *); 139static void upgt_set_channel(struct ieee80211com *); 140static struct ieee80211vap *upgt_vap_create(struct ieee80211com *, 141 const char [IFNAMSIZ], int, enum ieee80211_opmode, int, 142 const uint8_t [IEEE80211_ADDR_LEN], 143 const uint8_t [IEEE80211_ADDR_LEN]); 144static void upgt_vap_delete(struct ieee80211vap *); 145static void upgt_update_mcast(struct ifnet *); 146static uint8_t upgt_rx_rate(struct upgt_softc *, const int); 147static void upgt_set_multi(void *); 148static void upgt_stop(struct upgt_softc *); 149static void upgt_setup_rates(struct ieee80211vap *, struct ieee80211com *); 150static int upgt_set_macfilter(struct upgt_softc *, uint8_t); 151static int upgt_newstate(struct ieee80211vap *, enum ieee80211_state, int); 152static void upgt_set_chan(struct upgt_softc *, struct ieee80211_channel *); 153static void upgt_set_led(struct upgt_softc *, int); 154static void upgt_set_led_blink(void *); 155static void upgt_get_stats(struct upgt_softc *); 156static void upgt_mem_free(struct upgt_softc *, uint32_t); 157static uint32_t upgt_mem_alloc(struct upgt_softc *); 158static void upgt_free_tx(struct upgt_softc *); 159static void upgt_free_rx(struct upgt_softc *); 160static void upgt_watchdog(void *); 161static void upgt_abort_xfers(struct upgt_softc *); 162static void upgt_abort_xfers_locked(struct upgt_softc *); 163static void upgt_sysctl_node(struct upgt_softc *); 164static struct upgt_data * 165 upgt_getbuf(struct upgt_softc *); 166static struct upgt_data * 167 upgt_gettxbuf(struct upgt_softc *); 168static int upgt_tx_start(struct upgt_softc *, struct mbuf *, 169 struct ieee80211_node *, struct upgt_data *); 170 171static const char *upgt_fwname = "upgt-gw3887"; 172 173static const STRUCT_USB_HOST_ID upgt_devs[] = { 174#define UPGT_DEV(v,p) { USB_VP(USB_VENDOR_##v, USB_PRODUCT_##v##_##p) } 175 /* version 2 devices */ 176 UPGT_DEV(ACCTON, PRISM_GT), 177 UPGT_DEV(BELKIN, F5D7050), 178 UPGT_DEV(CISCOLINKSYS, WUSB54AG), 179 UPGT_DEV(CONCEPTRONIC, PRISM_GT), 180 UPGT_DEV(DELL, PRISM_GT_1), 181 UPGT_DEV(DELL, PRISM_GT_2), 182 UPGT_DEV(FSC, E5400), 183 UPGT_DEV(GLOBESPAN, PRISM_GT_1), 184 UPGT_DEV(GLOBESPAN, PRISM_GT_2), 185 UPGT_DEV(NETGEAR, WG111V2_2), 186 UPGT_DEV(INTERSIL, PRISM_GT), 187 UPGT_DEV(SMC, 2862WG), 188 UPGT_DEV(USR, USR5422), 189 UPGT_DEV(WISTRONNEWEB, UR045G), 190 UPGT_DEV(XYRATEX, PRISM_GT_1), 191 UPGT_DEV(XYRATEX, PRISM_GT_2), 192 UPGT_DEV(ZCOM, XG703A), 193 UPGT_DEV(ZCOM, XM142) 194}; 195 196static usb_callback_t upgt_bulk_rx_callback; 197static usb_callback_t upgt_bulk_tx_callback; 198 199static const struct usb_config upgt_config[UPGT_N_XFERS] = { 200 [UPGT_BULK_TX] = { 201 .type = UE_BULK, 202 .endpoint = UE_ADDR_ANY, 203 .direction = UE_DIR_OUT, 204 .bufsize = MCLBYTES * UPGT_TX_MAXCOUNT, 205 .flags = { 206 .force_short_xfer = 1, 207 .pipe_bof = 1 208 }, 209 .callback = upgt_bulk_tx_callback, 210 .timeout = UPGT_USB_TIMEOUT, /* ms */ 211 }, 212 [UPGT_BULK_RX] = { 213 .type = UE_BULK, 214 .endpoint = UE_ADDR_ANY, 215 .direction = UE_DIR_IN, 216 .bufsize = MCLBYTES * UPGT_RX_MAXCOUNT, 217 .flags = { 218 .pipe_bof = 1, 219 .short_xfer_ok = 1 220 }, 221 .callback = upgt_bulk_rx_callback, 222 }, 223}; 224 225static int 226upgt_match(device_t dev) 227{ 228 struct usb_attach_arg *uaa = device_get_ivars(dev); 229 230 if (uaa->usb_mode != USB_MODE_HOST) 231 return (ENXIO); 232 if (uaa->info.bConfigIndex != UPGT_CONFIG_INDEX) 233 return (ENXIO); 234 if (uaa->info.bIfaceIndex != UPGT_IFACE_INDEX) 235 return (ENXIO); 236 237 return (usbd_lookup_id_by_uaa(upgt_devs, sizeof(upgt_devs), uaa)); 238} 239 240static int 241upgt_attach(device_t dev) 242{ 243 int error; 244 struct ieee80211com *ic; 245 struct ifnet *ifp; 246 struct upgt_softc *sc = device_get_softc(dev); 247 struct usb_attach_arg *uaa = device_get_ivars(dev); 248 uint8_t bands, iface_index = UPGT_IFACE_INDEX; 249 250 sc->sc_dev = dev; 251 sc->sc_udev = uaa->device; 252#ifdef UPGT_DEBUG 253 sc->sc_debug = upgt_debug; 254#endif 255 device_set_usb_desc(dev); 256 257 mtx_init(&sc->sc_mtx, device_get_nameunit(sc->sc_dev), MTX_NETWORK_LOCK, 258 MTX_DEF); 259 callout_init(&sc->sc_led_ch, 0); 260 callout_init(&sc->sc_watchdog_ch, 0); 261 262 error = usbd_transfer_setup(uaa->device, &iface_index, sc->sc_xfer, 263 upgt_config, UPGT_N_XFERS, sc, &sc->sc_mtx); 264 if (error) { 265 device_printf(dev, "could not allocate USB transfers, " 266 "err=%s\n", usbd_errstr(error)); 267 goto fail1; 268 } 269 270 sc->sc_rx_dma_buf = usbd_xfer_get_frame_buffer( 271 sc->sc_xfer[UPGT_BULK_RX], 0); 272 sc->sc_tx_dma_buf = usbd_xfer_get_frame_buffer( 273 sc->sc_xfer[UPGT_BULK_TX], 0); 274 275 /* Setup TX and RX buffers */ 276 error = upgt_alloc_tx(sc); 277 if (error) 278 goto fail2; 279 error = upgt_alloc_rx(sc); 280 if (error) 281 goto fail3; 282 283 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211); 284 if (ifp == NULL) { 285 device_printf(dev, "can not if_alloc()\n"); 286 goto fail4; 287 } 288 289 /* Initialize the device. */ 290 error = upgt_device_reset(sc); 291 if (error) 292 goto fail5; 293 /* Verify the firmware. */ 294 error = upgt_fw_verify(sc); 295 if (error) 296 goto fail5; 297 /* Calculate device memory space. */ 298 if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 299 device_printf(dev, 300 "could not find memory space addresses on FW\n"); 301 error = EIO; 302 goto fail5; 303 } 304 sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 305 sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 306 307 DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame start=0x%08x\n", 308 sc->sc_memaddr_frame_start); 309 DPRINTF(sc, UPGT_DEBUG_FW, "memory address frame end=0x%08x\n", 310 sc->sc_memaddr_frame_end); 311 DPRINTF(sc, UPGT_DEBUG_FW, "memory address rx start=0x%08x\n", 312 sc->sc_memaddr_rx_start); 313 314 upgt_mem_init(sc); 315 316 /* Load the firmware. */ 317 error = upgt_fw_load(sc); 318 if (error) 319 goto fail5; 320 321 /* Read the whole EEPROM content and parse it. */ 322 error = upgt_eeprom_read(sc); 323 if (error) 324 goto fail5; 325 error = upgt_eeprom_parse(sc); 326 if (error) 327 goto fail5; 328 329 /* all works related with the device have done here. */ 330 upgt_abort_xfers(sc); 331 332 /* Setup the 802.11 device. */ 333 ifp->if_softc = sc; 334 if_initname(ifp, "upgt", device_get_unit(sc->sc_dev)); 335 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 336 ifp->if_init = upgt_init; 337 ifp->if_ioctl = upgt_ioctl; 338 ifp->if_start = upgt_start; 339 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen); 340 IFQ_SET_READY(&ifp->if_snd); 341 342 ic = ifp->if_l2com; 343 ic->ic_ifp = ifp; 344 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 345 ic->ic_opmode = IEEE80211_M_STA; 346 /* set device capabilities */ 347 ic->ic_caps = 348 IEEE80211_C_STA /* station mode */ 349 | IEEE80211_C_MONITOR /* monitor mode */ 350 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 351 | IEEE80211_C_SHSLOT /* short slot time supported */ 352 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 353 | IEEE80211_C_WPA /* 802.11i */ 354 ; 355 356 bands = 0; 357 setbit(&bands, IEEE80211_MODE_11B); 358 setbit(&bands, IEEE80211_MODE_11G); 359 ieee80211_init_channels(ic, NULL, &bands); 360 361 ieee80211_ifattach(ic, sc->sc_myaddr); 362 ic->ic_raw_xmit = upgt_raw_xmit; 363 ic->ic_scan_start = upgt_scan_start; 364 ic->ic_scan_end = upgt_scan_end; 365 ic->ic_set_channel = upgt_set_channel; 366 367 ic->ic_vap_create = upgt_vap_create; 368 ic->ic_vap_delete = upgt_vap_delete; 369 ic->ic_update_mcast = upgt_update_mcast; 370 371 ieee80211_radiotap_attach(ic, 372 &sc->sc_txtap.wt_ihdr, sizeof(sc->sc_txtap), 373 UPGT_TX_RADIOTAP_PRESENT, 374 &sc->sc_rxtap.wr_ihdr, sizeof(sc->sc_rxtap), 375 UPGT_RX_RADIOTAP_PRESENT); 376 377 upgt_sysctl_node(sc); 378 379 if (bootverbose) 380 ieee80211_announce(ic); 381 382 return (0); 383 384fail5: if_free(ifp); 385fail4: upgt_free_rx(sc); 386fail3: upgt_free_tx(sc); 387fail2: usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 388fail1: mtx_destroy(&sc->sc_mtx); 389 390 return (error); 391} 392 393static void 394upgt_txeof(struct usb_xfer *xfer, struct upgt_data *data) 395{ 396 struct upgt_softc *sc = usbd_xfer_softc(xfer); 397 struct ifnet *ifp = sc->sc_ifp; 398 struct mbuf *m; 399 400 UPGT_ASSERT_LOCKED(sc); 401 402 /* 403 * Do any tx complete callback. Note this must be done before releasing 404 * the node reference. 405 */ 406 if (data->m) { 407 m = data->m; 408 if (m->m_flags & M_TXCB) { 409 /* XXX status? */ 410 ieee80211_process_callback(data->ni, m, 0); 411 } 412 m_freem(m); 413 data->m = NULL; 414 } 415 if (data->ni) { 416 ieee80211_free_node(data->ni); 417 data->ni = NULL; 418 } 419 ifp->if_opackets++; 420} 421 422static void 423upgt_get_stats(struct upgt_softc *sc) 424{ 425 struct upgt_data *data_cmd; 426 struct upgt_lmac_mem *mem; 427 struct upgt_lmac_stats *stats; 428 429 data_cmd = upgt_getbuf(sc); 430 if (data_cmd == NULL) { 431 device_printf(sc->sc_dev, "%s: out of buffer.\n", __func__); 432 return; 433 } 434 435 /* 436 * Transmit the URB containing the CMD data. 437 */ 438 memset(data_cmd->buf, 0, MCLBYTES); 439 440 mem = (struct upgt_lmac_mem *)data_cmd->buf; 441 mem->addr = htole32(sc->sc_memaddr_frame_start + 442 UPGT_MEMSIZE_FRAME_HEAD); 443 444 stats = (struct upgt_lmac_stats *)(mem + 1); 445 446 stats->header1.flags = 0; 447 stats->header1.type = UPGT_H1_TYPE_CTRL; 448 stats->header1.len = htole16( 449 sizeof(struct upgt_lmac_stats) - sizeof(struct upgt_lmac_header)); 450 451 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 452 stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 453 stats->header2.flags = 0; 454 455 data_cmd->buflen = sizeof(*mem) + sizeof(*stats); 456 457 mem->chksum = upgt_chksum_le((uint32_t *)stats, 458 data_cmd->buflen - sizeof(*mem)); 459 460 upgt_bulk_tx(sc, data_cmd); 461} 462 463static int 464upgt_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 465{ 466 struct upgt_softc *sc = ifp->if_softc; 467 struct ieee80211com *ic = ifp->if_l2com; 468 struct ifreq *ifr = (struct ifreq *) data; 469 int error; 470 int startall = 0; 471 472 UPGT_LOCK(sc); 473 error = (sc->sc_flags & UPGT_FLAG_DETACHED) ? ENXIO : 0; 474 UPGT_UNLOCK(sc); 475 if (error) 476 return (error); 477 478 switch (cmd) { 479 case SIOCSIFFLAGS: 480 if (ifp->if_flags & IFF_UP) { 481 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 482 if ((ifp->if_flags ^ sc->sc_if_flags) & 483 (IFF_ALLMULTI | IFF_PROMISC)) 484 upgt_set_multi(sc); 485 } else { 486 upgt_init(sc); 487 startall = 1; 488 } 489 } else { 490 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 491 upgt_stop(sc); 492 } 493 sc->sc_if_flags = ifp->if_flags; 494 if (startall) 495 ieee80211_start_all(ic); 496 break; 497 case SIOCGIFMEDIA: 498 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 499 break; 500 case SIOCGIFADDR: 501 error = ether_ioctl(ifp, cmd, data); 502 break; 503 default: 504 error = EINVAL; 505 break; 506 } 507 return error; 508} 509 510static void 511upgt_stop_locked(struct upgt_softc *sc) 512{ 513 struct ifnet *ifp = sc->sc_ifp; 514 515 UPGT_ASSERT_LOCKED(sc); 516 517 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 518 upgt_set_macfilter(sc, IEEE80211_S_INIT); 519 upgt_abort_xfers_locked(sc); 520} 521 522static void 523upgt_stop(struct upgt_softc *sc) 524{ 525 struct ifnet *ifp = sc->sc_ifp; 526 527 UPGT_LOCK(sc); 528 upgt_stop_locked(sc); 529 UPGT_UNLOCK(sc); 530 531 /* device down */ 532 sc->sc_tx_timer = 0; 533 ifp->if_drv_flags &= ~(IFF_DRV_RUNNING | IFF_DRV_OACTIVE); 534 sc->sc_flags &= ~UPGT_FLAG_INITDONE; 535} 536 537static void 538upgt_set_led(struct upgt_softc *sc, int action) 539{ 540 struct upgt_data *data_cmd; 541 struct upgt_lmac_mem *mem; 542 struct upgt_lmac_led *led; 543 544 data_cmd = upgt_getbuf(sc); 545 if (data_cmd == NULL) { 546 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 547 return; 548 } 549 550 /* 551 * Transmit the URB containing the CMD data. 552 */ 553 memset(data_cmd->buf, 0, MCLBYTES); 554 555 mem = (struct upgt_lmac_mem *)data_cmd->buf; 556 mem->addr = htole32(sc->sc_memaddr_frame_start + 557 UPGT_MEMSIZE_FRAME_HEAD); 558 559 led = (struct upgt_lmac_led *)(mem + 1); 560 561 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 562 led->header1.type = UPGT_H1_TYPE_CTRL; 563 led->header1.len = htole16( 564 sizeof(struct upgt_lmac_led) - 565 sizeof(struct upgt_lmac_header)); 566 567 led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 568 led->header2.type = htole16(UPGT_H2_TYPE_LED); 569 led->header2.flags = 0; 570 571 switch (action) { 572 case UPGT_LED_OFF: 573 led->mode = htole16(UPGT_LED_MODE_SET); 574 led->action_fix = 0; 575 led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 576 led->action_tmp_dur = 0; 577 break; 578 case UPGT_LED_ON: 579 led->mode = htole16(UPGT_LED_MODE_SET); 580 led->action_fix = 0; 581 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 582 led->action_tmp_dur = 0; 583 break; 584 case UPGT_LED_BLINK: 585 if (sc->sc_state != IEEE80211_S_RUN) { 586 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 587 return; 588 } 589 if (sc->sc_led_blink) { 590 /* previous blink was not finished */ 591 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 592 return; 593 } 594 led->mode = htole16(UPGT_LED_MODE_SET); 595 led->action_fix = htole16(UPGT_LED_ACTION_OFF); 596 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 597 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 598 /* lock blink */ 599 sc->sc_led_blink = 1; 600 callout_reset(&sc->sc_led_ch, hz, upgt_set_led_blink, sc); 601 break; 602 default: 603 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data_cmd, next); 604 return; 605 } 606 607 data_cmd->buflen = sizeof(*mem) + sizeof(*led); 608 609 mem->chksum = upgt_chksum_le((uint32_t *)led, 610 data_cmd->buflen - sizeof(*mem)); 611 612 upgt_bulk_tx(sc, data_cmd); 613} 614 615static void 616upgt_set_led_blink(void *arg) 617{ 618 struct upgt_softc *sc = arg; 619 620 /* blink finished, we are ready for a next one */ 621 sc->sc_led_blink = 0; 622} 623 624static void 625upgt_init(void *priv) 626{ 627 struct upgt_softc *sc = priv; 628 struct ifnet *ifp = sc->sc_ifp; 629 struct ieee80211com *ic = ifp->if_l2com; 630 631 UPGT_LOCK(sc); 632 upgt_init_locked(sc); 633 UPGT_UNLOCK(sc); 634 635 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 636 ieee80211_start_all(ic); /* start all vap's */ 637} 638 639static void 640upgt_init_locked(struct upgt_softc *sc) 641{ 642 struct ifnet *ifp = sc->sc_ifp; 643 644 UPGT_ASSERT_LOCKED(sc); 645 646 if (ifp->if_drv_flags & IFF_DRV_RUNNING) 647 upgt_stop_locked(sc); 648 649 usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 650 651 (void)upgt_set_macfilter(sc, IEEE80211_S_SCAN); 652 653 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 654 ifp->if_drv_flags |= IFF_DRV_RUNNING; 655 sc->sc_flags |= UPGT_FLAG_INITDONE; 656 657 callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 658} 659 660static int 661upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 662{ 663 struct ifnet *ifp = sc->sc_ifp; 664 struct ieee80211com *ic = ifp->if_l2com; 665 struct ieee80211vap *vap = TAILQ_FIRST(&ic->ic_vaps); 666 struct ieee80211_node *ni; 667 struct upgt_data *data_cmd; 668 struct upgt_lmac_mem *mem; 669 struct upgt_lmac_filter *filter; 670 uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 671 672 UPGT_ASSERT_LOCKED(sc); 673 674 data_cmd = upgt_getbuf(sc); 675 if (data_cmd == NULL) { 676 device_printf(sc->sc_dev, "out of TX buffers.\n"); 677 return (ENOBUFS); 678 } 679 680 /* 681 * Transmit the URB containing the CMD data. 682 */ 683 memset(data_cmd->buf, 0, MCLBYTES); 684 685 mem = (struct upgt_lmac_mem *)data_cmd->buf; 686 mem->addr = htole32(sc->sc_memaddr_frame_start + 687 UPGT_MEMSIZE_FRAME_HEAD); 688 689 filter = (struct upgt_lmac_filter *)(mem + 1); 690 691 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 692 filter->header1.type = UPGT_H1_TYPE_CTRL; 693 filter->header1.len = htole16( 694 sizeof(struct upgt_lmac_filter) - 695 sizeof(struct upgt_lmac_header)); 696 697 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 698 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 699 filter->header2.flags = 0; 700 701 switch (state) { 702 case IEEE80211_S_INIT: 703 DPRINTF(sc, UPGT_DEBUG_STATE, "%s: set MAC filter to INIT\n", 704 __func__); 705 filter->type = htole16(UPGT_FILTER_TYPE_RESET); 706 break; 707 case IEEE80211_S_SCAN: 708 DPRINTF(sc, UPGT_DEBUG_STATE, 709 "set MAC filter to SCAN (bssid %s)\n", 710 ether_sprintf(broadcast)); 711 filter->type = htole16(UPGT_FILTER_TYPE_NONE); 712 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 713 IEEE80211_ADDR_COPY(filter->src, broadcast); 714 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 715 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 716 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 717 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 718 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 719 break; 720 case IEEE80211_S_RUN: 721 ni = ieee80211_ref_node(vap->iv_bss); 722 /* XXX monitor mode isn't tested yet. */ 723 if (vap->iv_opmode == IEEE80211_M_MONITOR) { 724 filter->type = htole16(UPGT_FILTER_TYPE_MONITOR); 725 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 726 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 727 filter->unknown1 = htole16(UPGT_FILTER_MONITOR_UNKNOWN1); 728 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 729 filter->unknown2 = htole16(UPGT_FILTER_MONITOR_UNKNOWN2); 730 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 731 filter->unknown3 = htole16(UPGT_FILTER_MONITOR_UNKNOWN3); 732 } else { 733 DPRINTF(sc, UPGT_DEBUG_STATE, 734 "set MAC filter to RUN (bssid %s)\n", 735 ether_sprintf(ni->ni_bssid)); 736 filter->type = htole16(UPGT_FILTER_TYPE_STA); 737 IEEE80211_ADDR_COPY(filter->dst, sc->sc_myaddr); 738 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 739 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 740 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 741 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 742 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 743 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 744 } 745 ieee80211_free_node(ni); 746 break; 747 default: 748 device_printf(sc->sc_dev, 749 "MAC filter does not know that state\n"); 750 break; 751 } 752 753 data_cmd->buflen = sizeof(*mem) + sizeof(*filter); 754 755 mem->chksum = upgt_chksum_le((uint32_t *)filter, 756 data_cmd->buflen - sizeof(*mem)); 757 758 upgt_bulk_tx(sc, data_cmd); 759 760 return (0); 761} 762 763static void 764upgt_setup_rates(struct ieee80211vap *vap, struct ieee80211com *ic) 765{ 766 struct ifnet *ifp = ic->ic_ifp; 767 struct upgt_softc *sc = ifp->if_softc; 768 const struct ieee80211_txparam *tp; 769 770 /* 771 * 0x01 = OFMD6 0x10 = DS1 772 * 0x04 = OFDM9 0x11 = DS2 773 * 0x06 = OFDM12 0x12 = DS5 774 * 0x07 = OFDM18 0x13 = DS11 775 * 0x08 = OFDM24 776 * 0x09 = OFDM36 777 * 0x0a = OFDM48 778 * 0x0b = OFDM54 779 */ 780 const uint8_t rateset_auto_11b[] = 781 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 782 const uint8_t rateset_auto_11g[] = 783 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 784 const uint8_t rateset_fix_11bg[] = 785 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 786 0x08, 0x09, 0x0a, 0x0b }; 787 788 tp = &vap->iv_txparms[ieee80211_chan2mode(ic->ic_curchan)]; 789 790 /* XXX */ 791 if (tp->ucastrate == IEEE80211_FIXED_RATE_NONE) { 792 /* 793 * Automatic rate control is done by the device. 794 * We just pass the rateset from which the device 795 * will pickup a rate. 796 */ 797 if (ic->ic_curmode == IEEE80211_MODE_11B) 798 memcpy(sc->sc_cur_rateset, rateset_auto_11b, 799 sizeof(sc->sc_cur_rateset)); 800 if (ic->ic_curmode == IEEE80211_MODE_11G || 801 ic->ic_curmode == IEEE80211_MODE_AUTO) 802 memcpy(sc->sc_cur_rateset, rateset_auto_11g, 803 sizeof(sc->sc_cur_rateset)); 804 } else { 805 /* set a fixed rate */ 806 memset(sc->sc_cur_rateset, rateset_fix_11bg[tp->ucastrate], 807 sizeof(sc->sc_cur_rateset)); 808 } 809} 810 811static void 812upgt_set_multi(void *arg) 813{ 814 struct upgt_softc *sc = arg; 815 struct ifnet *ifp = sc->sc_ifp; 816 817 if (!(ifp->if_flags & IFF_UP)) 818 return; 819 820 /* 821 * XXX don't know how to set a device. Lack of docs. Just try to set 822 * IFF_ALLMULTI flag here. 823 */ 824 ifp->if_flags |= IFF_ALLMULTI; 825} 826 827static void 828upgt_start(struct ifnet *ifp) 829{ 830 struct upgt_softc *sc = ifp->if_softc; 831 struct upgt_data *data_tx; 832 struct ieee80211_node *ni; 833 struct mbuf *m; 834 835 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 836 return; 837 838 UPGT_LOCK(sc); 839 for (;;) { 840 IFQ_DRV_DEQUEUE(&ifp->if_snd, m); 841 if (m == NULL) 842 break; 843 844 data_tx = upgt_gettxbuf(sc); 845 if (data_tx == NULL) { 846 IFQ_DRV_PREPEND(&ifp->if_snd, m); 847 break; 848 } 849 850 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 851 m->m_pkthdr.rcvif = NULL; 852 853 if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 854 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 855 UPGT_STAT_INC(sc, st_tx_inactive); 856 ieee80211_free_node(ni); 857 ifp->if_oerrors++; 858 continue; 859 } 860 sc->sc_tx_timer = 5; 861 } 862 UPGT_UNLOCK(sc); 863} 864 865static int 866upgt_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 867 const struct ieee80211_bpf_params *params) 868{ 869 struct ieee80211com *ic = ni->ni_ic; 870 struct ifnet *ifp = ic->ic_ifp; 871 struct upgt_softc *sc = ifp->if_softc; 872 struct upgt_data *data_tx = NULL; 873 874 /* prevent management frames from being sent if we're not ready */ 875 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) { 876 m_freem(m); 877 ieee80211_free_node(ni); 878 return ENETDOWN; 879 } 880 881 UPGT_LOCK(sc); 882 data_tx = upgt_gettxbuf(sc); 883 if (data_tx == NULL) { 884 ieee80211_free_node(ni); 885 m_freem(m); 886 UPGT_UNLOCK(sc); 887 return (ENOBUFS); 888 } 889 890 if (upgt_tx_start(sc, m, ni, data_tx) != 0) { 891 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, data_tx, next); 892 UPGT_STAT_INC(sc, st_tx_inactive); 893 ieee80211_free_node(ni); 894 ifp->if_oerrors++; 895 UPGT_UNLOCK(sc); 896 return (EIO); 897 } 898 UPGT_UNLOCK(sc); 899 900 sc->sc_tx_timer = 5; 901 return (0); 902} 903 904static void 905upgt_watchdog(void *arg) 906{ 907 struct upgt_softc *sc = arg; 908 struct ifnet *ifp = sc->sc_ifp; 909 910 if (sc->sc_tx_timer > 0) { 911 if (--sc->sc_tx_timer == 0) { 912 device_printf(sc->sc_dev, "watchdog timeout\n"); 913 /* upgt_init(ifp); XXX needs a process context ? */ 914 ifp->if_oerrors++; 915 return; 916 } 917 callout_reset(&sc->sc_watchdog_ch, hz, upgt_watchdog, sc); 918 } 919} 920 921static uint32_t 922upgt_mem_alloc(struct upgt_softc *sc) 923{ 924 int i; 925 926 for (i = 0; i < sc->sc_memory.pages; i++) { 927 if (sc->sc_memory.page[i].used == 0) { 928 sc->sc_memory.page[i].used = 1; 929 return (sc->sc_memory.page[i].addr); 930 } 931 } 932 933 return (0); 934} 935 936static void 937upgt_scan_start(struct ieee80211com *ic) 938{ 939 /* do nothing. */ 940} 941 942static void 943upgt_scan_end(struct ieee80211com *ic) 944{ 945 /* do nothing. */ 946} 947 948static void 949upgt_set_channel(struct ieee80211com *ic) 950{ 951 struct upgt_softc *sc = ic->ic_ifp->if_softc; 952 953 UPGT_LOCK(sc); 954 upgt_set_chan(sc, ic->ic_curchan); 955 UPGT_UNLOCK(sc); 956} 957 958static void 959upgt_set_chan(struct upgt_softc *sc, struct ieee80211_channel *c) 960{ 961 struct ifnet *ifp = sc->sc_ifp; 962 struct ieee80211com *ic = ifp->if_l2com; 963 struct upgt_data *data_cmd; 964 struct upgt_lmac_mem *mem; 965 struct upgt_lmac_channel *chan; 966 int channel; 967 968 UPGT_ASSERT_LOCKED(sc); 969 970 channel = ieee80211_chan2ieee(ic, c); 971 if (channel == 0 || channel == IEEE80211_CHAN_ANY) { 972 /* XXX should NEVER happen */ 973 device_printf(sc->sc_dev, 974 "%s: invalid channel %x\n", __func__, channel); 975 return; 976 } 977 978 DPRINTF(sc, UPGT_DEBUG_STATE, "%s: channel %d\n", __func__, channel); 979 980 data_cmd = upgt_getbuf(sc); 981 if (data_cmd == NULL) { 982 device_printf(sc->sc_dev, "%s: out of buffers.\n", __func__); 983 return; 984 } 985 /* 986 * Transmit the URB containing the CMD data. 987 */ 988 memset(data_cmd->buf, 0, MCLBYTES); 989 990 mem = (struct upgt_lmac_mem *)data_cmd->buf; 991 mem->addr = htole32(sc->sc_memaddr_frame_start + 992 UPGT_MEMSIZE_FRAME_HEAD); 993 994 chan = (struct upgt_lmac_channel *)(mem + 1); 995 996 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 997 chan->header1.type = UPGT_H1_TYPE_CTRL; 998 chan->header1.len = htole16( 999 sizeof(struct upgt_lmac_channel) - sizeof(struct upgt_lmac_header)); 1000 1001 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1002 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 1003 chan->header2.flags = 0; 1004 1005 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 1006 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 1007 chan->freq6 = sc->sc_eeprom_freq6[channel]; 1008 chan->settings = sc->sc_eeprom_freq6_settings; 1009 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 1010 1011 memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 1012 sizeof(chan->freq3_1)); 1013 memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 1014 sizeof(sc->sc_eeprom_freq4[channel])); 1015 memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 1016 sizeof(chan->freq3_2)); 1017 1018 data_cmd->buflen = sizeof(*mem) + sizeof(*chan); 1019 1020 mem->chksum = upgt_chksum_le((uint32_t *)chan, 1021 data_cmd->buflen - sizeof(*mem)); 1022 1023 upgt_bulk_tx(sc, data_cmd); 1024} 1025 1026static struct ieee80211vap * 1027upgt_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 1028 enum ieee80211_opmode opmode, int flags, 1029 const uint8_t bssid[IEEE80211_ADDR_LEN], 1030 const uint8_t mac[IEEE80211_ADDR_LEN]) 1031{ 1032 struct upgt_vap *uvp; 1033 struct ieee80211vap *vap; 1034 1035 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* only one at a time */ 1036 return NULL; 1037 uvp = (struct upgt_vap *) malloc(sizeof(struct upgt_vap), 1038 M_80211_VAP, M_NOWAIT | M_ZERO); 1039 if (uvp == NULL) 1040 return NULL; 1041 vap = &uvp->vap; 1042 /* enable s/w bmiss handling for sta mode */ 1043 ieee80211_vap_setup(ic, vap, name, unit, opmode, 1044 flags | IEEE80211_CLONE_NOBEACONS, bssid, mac); 1045 1046 /* override state transition machine */ 1047 uvp->newstate = vap->iv_newstate; 1048 vap->iv_newstate = upgt_newstate; 1049 1050 /* setup device rates */ 1051 upgt_setup_rates(vap, ic); 1052 1053 /* complete setup */ 1054 ieee80211_vap_attach(vap, ieee80211_media_change, 1055 ieee80211_media_status); 1056 ic->ic_opmode = opmode; 1057 return vap; 1058} 1059 1060static int 1061upgt_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1062{ 1063 struct upgt_vap *uvp = UPGT_VAP(vap); 1064 struct ieee80211com *ic = vap->iv_ic; 1065 struct upgt_softc *sc = ic->ic_ifp->if_softc; 1066 1067 /* do it in a process context */ 1068 sc->sc_state = nstate; 1069 1070 IEEE80211_UNLOCK(ic); 1071 UPGT_LOCK(sc); 1072 callout_stop(&sc->sc_led_ch); 1073 callout_stop(&sc->sc_watchdog_ch); 1074 1075 switch (nstate) { 1076 case IEEE80211_S_INIT: 1077 /* do not accept any frames if the device is down */ 1078 (void)upgt_set_macfilter(sc, sc->sc_state); 1079 upgt_set_led(sc, UPGT_LED_OFF); 1080 break; 1081 case IEEE80211_S_SCAN: 1082 upgt_set_chan(sc, ic->ic_curchan); 1083 break; 1084 case IEEE80211_S_AUTH: 1085 upgt_set_chan(sc, ic->ic_curchan); 1086 break; 1087 case IEEE80211_S_ASSOC: 1088 break; 1089 case IEEE80211_S_RUN: 1090 upgt_set_macfilter(sc, sc->sc_state); 1091 upgt_set_led(sc, UPGT_LED_ON); 1092 break; 1093 default: 1094 break; 1095 } 1096 UPGT_UNLOCK(sc); 1097 IEEE80211_LOCK(ic); 1098 return (uvp->newstate(vap, nstate, arg)); 1099} 1100 1101static void 1102upgt_vap_delete(struct ieee80211vap *vap) 1103{ 1104 struct upgt_vap *uvp = UPGT_VAP(vap); 1105 1106 ieee80211_vap_detach(vap); 1107 free(uvp, M_80211_VAP); 1108} 1109 1110static void 1111upgt_update_mcast(struct ifnet *ifp) 1112{ 1113 struct upgt_softc *sc = ifp->if_softc; 1114 1115 upgt_set_multi(sc); 1116} 1117 1118static int 1119upgt_eeprom_parse(struct upgt_softc *sc) 1120{ 1121 struct upgt_eeprom_header *eeprom_header; 1122 struct upgt_eeprom_option *eeprom_option; 1123 uint16_t option_len; 1124 uint16_t option_type; 1125 uint16_t preamble_len; 1126 int option_end = 0; 1127 1128 /* calculate eeprom options start offset */ 1129 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1130 preamble_len = le16toh(eeprom_header->preamble_len); 1131 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1132 (sizeof(struct upgt_eeprom_header) + preamble_len)); 1133 1134 while (!option_end) { 1135 /* the eeprom option length is stored in words */ 1136 option_len = 1137 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1138 option_type = 1139 le16toh(eeprom_option->type); 1140 1141 switch (option_type) { 1142 case UPGT_EEPROM_TYPE_NAME: 1143 DPRINTF(sc, UPGT_DEBUG_FW, 1144 "EEPROM name len=%d\n", option_len); 1145 break; 1146 case UPGT_EEPROM_TYPE_SERIAL: 1147 DPRINTF(sc, UPGT_DEBUG_FW, 1148 "EEPROM serial len=%d\n", option_len); 1149 break; 1150 case UPGT_EEPROM_TYPE_MAC: 1151 DPRINTF(sc, UPGT_DEBUG_FW, 1152 "EEPROM mac len=%d\n", option_len); 1153 1154 IEEE80211_ADDR_COPY(sc->sc_myaddr, eeprom_option->data); 1155 break; 1156 case UPGT_EEPROM_TYPE_HWRX: 1157 DPRINTF(sc, UPGT_DEBUG_FW, 1158 "EEPROM hwrx len=%d\n", option_len); 1159 1160 upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1161 break; 1162 case UPGT_EEPROM_TYPE_CHIP: 1163 DPRINTF(sc, UPGT_DEBUG_FW, 1164 "EEPROM chip len=%d\n", option_len); 1165 break; 1166 case UPGT_EEPROM_TYPE_FREQ3: 1167 DPRINTF(sc, UPGT_DEBUG_FW, 1168 "EEPROM freq3 len=%d\n", option_len); 1169 1170 upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1171 option_len); 1172 break; 1173 case UPGT_EEPROM_TYPE_FREQ4: 1174 DPRINTF(sc, UPGT_DEBUG_FW, 1175 "EEPROM freq4 len=%d\n", option_len); 1176 1177 upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1178 option_len); 1179 break; 1180 case UPGT_EEPROM_TYPE_FREQ5: 1181 DPRINTF(sc, UPGT_DEBUG_FW, 1182 "EEPROM freq5 len=%d\n", option_len); 1183 break; 1184 case UPGT_EEPROM_TYPE_FREQ6: 1185 DPRINTF(sc, UPGT_DEBUG_FW, 1186 "EEPROM freq6 len=%d\n", option_len); 1187 1188 upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1189 option_len); 1190 break; 1191 case UPGT_EEPROM_TYPE_END: 1192 DPRINTF(sc, UPGT_DEBUG_FW, 1193 "EEPROM end len=%d\n", option_len); 1194 option_end = 1; 1195 break; 1196 case UPGT_EEPROM_TYPE_OFF: 1197 DPRINTF(sc, UPGT_DEBUG_FW, 1198 "%s: EEPROM off without end option\n", __func__); 1199 return (EIO); 1200 default: 1201 DPRINTF(sc, UPGT_DEBUG_FW, 1202 "EEPROM unknown type 0x%04x len=%d\n", 1203 option_type, option_len); 1204 break; 1205 } 1206 1207 /* jump to next EEPROM option */ 1208 eeprom_option = (struct upgt_eeprom_option *) 1209 (eeprom_option->data + option_len); 1210 } 1211 1212 return (0); 1213} 1214 1215static void 1216upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1217{ 1218 struct upgt_eeprom_freq3_header *freq3_header; 1219 struct upgt_lmac_freq3 *freq3; 1220 int i, elements, flags; 1221 unsigned channel; 1222 1223 freq3_header = (struct upgt_eeprom_freq3_header *)data; 1224 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1225 1226 flags = freq3_header->flags; 1227 elements = freq3_header->elements; 1228 1229 DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d\n", 1230 flags, elements); 1231 1232 for (i = 0; i < elements; i++) { 1233 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1234 if (channel >= IEEE80211_CHAN_MAX) 1235 continue; 1236 1237 sc->sc_eeprom_freq3[channel] = freq3[i]; 1238 1239 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1240 le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1241 } 1242} 1243 1244void 1245upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1246{ 1247 struct upgt_eeprom_freq4_header *freq4_header; 1248 struct upgt_eeprom_freq4_1 *freq4_1; 1249 struct upgt_eeprom_freq4_2 *freq4_2; 1250 int i, j, elements, settings, flags; 1251 unsigned channel; 1252 1253 freq4_header = (struct upgt_eeprom_freq4_header *)data; 1254 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1255 flags = freq4_header->flags; 1256 elements = freq4_header->elements; 1257 settings = freq4_header->settings; 1258 1259 /* we need this value later */ 1260 sc->sc_eeprom_freq6_settings = freq4_header->settings; 1261 1262 DPRINTF(sc, UPGT_DEBUG_FW, "flags=0x%02x elements=%d settings=%d\n", 1263 flags, elements, settings); 1264 1265 for (i = 0; i < elements; i++) { 1266 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1267 if (channel >= IEEE80211_CHAN_MAX) 1268 continue; 1269 1270 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1271 for (j = 0; j < settings; j++) { 1272 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1273 sc->sc_eeprom_freq4[channel][j].pad = 0; 1274 } 1275 1276 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1277 le16toh(freq4_1[i].freq), channel); 1278 } 1279} 1280 1281void 1282upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1283{ 1284 struct upgt_lmac_freq6 *freq6; 1285 int i, elements; 1286 unsigned channel; 1287 1288 freq6 = (struct upgt_lmac_freq6 *)data; 1289 elements = len / sizeof(struct upgt_lmac_freq6); 1290 1291 DPRINTF(sc, UPGT_DEBUG_FW, "elements=%d\n", elements); 1292 1293 for (i = 0; i < elements; i++) { 1294 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1295 if (channel >= IEEE80211_CHAN_MAX) 1296 continue; 1297 1298 sc->sc_eeprom_freq6[channel] = freq6[i]; 1299 1300 DPRINTF(sc, UPGT_DEBUG_FW, "frequence=%d, channel=%d\n", 1301 le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1302 } 1303} 1304 1305static void 1306upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1307{ 1308 struct upgt_eeprom_option_hwrx *option_hwrx; 1309 1310 option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1311 1312 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1313 1314 DPRINTF(sc, UPGT_DEBUG_FW, "hwrx option value=0x%04x\n", 1315 sc->sc_eeprom_hwrx); 1316} 1317 1318static int 1319upgt_eeprom_read(struct upgt_softc *sc) 1320{ 1321 struct upgt_data *data_cmd; 1322 struct upgt_lmac_mem *mem; 1323 struct upgt_lmac_eeprom *eeprom; 1324 int block, error, offset; 1325 1326 UPGT_LOCK(sc); 1327 usb_pause_mtx(&sc->sc_mtx, 100); 1328 1329 offset = 0; 1330 block = UPGT_EEPROM_BLOCK_SIZE; 1331 while (offset < UPGT_EEPROM_SIZE) { 1332 DPRINTF(sc, UPGT_DEBUG_FW, 1333 "request EEPROM block (offset=%d, len=%d)\n", offset, block); 1334 1335 data_cmd = upgt_getbuf(sc); 1336 if (data_cmd == NULL) { 1337 UPGT_UNLOCK(sc); 1338 return (ENOBUFS); 1339 } 1340 1341 /* 1342 * Transmit the URB containing the CMD data. 1343 */ 1344 memset(data_cmd->buf, 0, MCLBYTES); 1345 1346 mem = (struct upgt_lmac_mem *)data_cmd->buf; 1347 mem->addr = htole32(sc->sc_memaddr_frame_start + 1348 UPGT_MEMSIZE_FRAME_HEAD); 1349 1350 eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 1351 eeprom->header1.flags = 0; 1352 eeprom->header1.type = UPGT_H1_TYPE_CTRL; 1353 eeprom->header1.len = htole16(( 1354 sizeof(struct upgt_lmac_eeprom) - 1355 sizeof(struct upgt_lmac_header)) + block); 1356 1357 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1358 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1359 eeprom->header2.flags = 0; 1360 1361 eeprom->offset = htole16(offset); 1362 eeprom->len = htole16(block); 1363 1364 data_cmd->buflen = sizeof(*mem) + sizeof(*eeprom) + block; 1365 1366 mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1367 data_cmd->buflen - sizeof(*mem)); 1368 upgt_bulk_tx(sc, data_cmd); 1369 1370 error = mtx_sleep(sc, &sc->sc_mtx, 0, "eeprom_request", hz); 1371 if (error != 0) { 1372 device_printf(sc->sc_dev, 1373 "timeout while waiting for EEPROM data\n"); 1374 UPGT_UNLOCK(sc); 1375 return (EIO); 1376 } 1377 1378 offset += block; 1379 if (UPGT_EEPROM_SIZE - offset < block) 1380 block = UPGT_EEPROM_SIZE - offset; 1381 } 1382 1383 UPGT_UNLOCK(sc); 1384 return (0); 1385} 1386 1387/* 1388 * When a rx data came in the function returns a mbuf and a rssi values. 1389 */ 1390static struct mbuf * 1391upgt_rxeof(struct usb_xfer *xfer, struct upgt_data *data, int *rssi) 1392{ 1393 struct mbuf *m = NULL; 1394 struct upgt_softc *sc = usbd_xfer_softc(xfer); 1395 struct upgt_lmac_header *header; 1396 struct upgt_lmac_eeprom *eeprom; 1397 uint8_t h1_type; 1398 uint16_t h2_type; 1399 int actlen, sumlen; 1400 1401 usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); 1402 1403 UPGT_ASSERT_LOCKED(sc); 1404 1405 if (actlen < 1) 1406 return (NULL); 1407 1408 /* Check only at the very beginning. */ 1409 if (!(sc->sc_flags & UPGT_FLAG_FWLOADED) && 1410 (memcmp(data->buf, "OK", 2) == 0)) { 1411 sc->sc_flags |= UPGT_FLAG_FWLOADED; 1412 wakeup_one(sc); 1413 return (NULL); 1414 } 1415 1416 if (actlen < (int)UPGT_RX_MINSZ) 1417 return (NULL); 1418 1419 /* 1420 * Check what type of frame came in. 1421 */ 1422 header = (struct upgt_lmac_header *)(data->buf + 4); 1423 1424 h1_type = header->header1.type; 1425 h2_type = le16toh(header->header2.type); 1426 1427 if (h1_type == UPGT_H1_TYPE_CTRL && h2_type == UPGT_H2_TYPE_EEPROM) { 1428 eeprom = (struct upgt_lmac_eeprom *)(data->buf + 4); 1429 uint16_t eeprom_offset = le16toh(eeprom->offset); 1430 uint16_t eeprom_len = le16toh(eeprom->len); 1431 1432 DPRINTF(sc, UPGT_DEBUG_FW, 1433 "received EEPROM block (offset=%d, len=%d)\n", 1434 eeprom_offset, eeprom_len); 1435 1436 memcpy(sc->sc_eeprom + eeprom_offset, 1437 data->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1438 eeprom_len); 1439 1440 /* EEPROM data has arrived in time, wakeup. */ 1441 wakeup(sc); 1442 } else if (h1_type == UPGT_H1_TYPE_CTRL && 1443 h2_type == UPGT_H2_TYPE_TX_DONE) { 1444 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: received 802.11 TX done\n", 1445 __func__); 1446 upgt_tx_done(sc, data->buf + 4); 1447 } else if (h1_type == UPGT_H1_TYPE_RX_DATA || 1448 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1449 DPRINTF(sc, UPGT_DEBUG_RECV, "%s: received 802.11 RX data\n", 1450 __func__); 1451 m = upgt_rx(sc, data->buf + 4, le16toh(header->header1.len), 1452 rssi); 1453 } else if (h1_type == UPGT_H1_TYPE_CTRL && 1454 h2_type == UPGT_H2_TYPE_STATS) { 1455 DPRINTF(sc, UPGT_DEBUG_STAT, "%s: received statistic data\n", 1456 __func__); 1457 /* TODO: what could we do with the statistic data? */ 1458 } else { 1459 /* ignore unknown frame types */ 1460 DPRINTF(sc, UPGT_DEBUG_INTR, 1461 "received unknown frame type 0x%02x\n", 1462 header->header1.type); 1463 } 1464 return (m); 1465} 1466 1467/* 1468 * The firmware awaits a checksum for each frame we send to it. 1469 * The algorithm used therefor is uncommon but somehow similar to CRC32. 1470 */ 1471static uint32_t 1472upgt_chksum_le(const uint32_t *buf, size_t size) 1473{ 1474 size_t i; 1475 uint32_t crc = 0; 1476 1477 for (i = 0; i < size; i += sizeof(uint32_t)) { 1478 crc = htole32(crc ^ *buf++); 1479 crc = htole32((crc >> 5) ^ (crc << 3)); 1480 } 1481 1482 return (crc); 1483} 1484 1485static struct mbuf * 1486upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen, int *rssi) 1487{ 1488 struct ifnet *ifp = sc->sc_ifp; 1489 struct ieee80211com *ic = ifp->if_l2com; 1490 struct upgt_lmac_rx_desc *rxdesc; 1491 struct mbuf *m; 1492 1493 /* 1494 * don't pass packets to the ieee80211 framework if the driver isn't 1495 * RUNNING. 1496 */ 1497 if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) 1498 return (NULL); 1499 1500 /* access RX packet descriptor */ 1501 rxdesc = (struct upgt_lmac_rx_desc *)data; 1502 1503 /* create mbuf which is suitable for strict alignment archs */ 1504 KASSERT((pkglen + ETHER_ALIGN) < MCLBYTES, 1505 ("A current mbuf storage is small (%d)", pkglen + ETHER_ALIGN)); 1506 m = m_getcl(M_NOWAIT, MT_DATA, M_PKTHDR); 1507 if (m == NULL) { 1508 device_printf(sc->sc_dev, "could not create RX mbuf\n"); 1509 return (NULL); 1510 } 1511 m_adj(m, ETHER_ALIGN); 1512 memcpy(mtod(m, char *), rxdesc->data, pkglen); 1513 /* trim FCS */ 1514 m->m_len = m->m_pkthdr.len = pkglen - IEEE80211_CRC_LEN; 1515 m->m_pkthdr.rcvif = ifp; 1516 1517 if (ieee80211_radiotap_active(ic)) { 1518 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1519 1520 tap->wr_flags = 0; 1521 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1522 tap->wr_antsignal = rxdesc->rssi; 1523 } 1524 ifp->if_ipackets++; 1525 1526 DPRINTF(sc, UPGT_DEBUG_RX_PROC, "%s: RX done\n", __func__); 1527 *rssi = rxdesc->rssi; 1528 return (m); 1529} 1530 1531static uint8_t 1532upgt_rx_rate(struct upgt_softc *sc, const int rate) 1533{ 1534 struct ifnet *ifp = sc->sc_ifp; 1535 struct ieee80211com *ic = ifp->if_l2com; 1536 static const uint8_t cck_upgt2rate[4] = { 2, 4, 11, 22 }; 1537 static const uint8_t ofdm_upgt2rate[12] = 1538 { 2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108 }; 1539 1540 if (ic->ic_curmode == IEEE80211_MODE_11B && 1541 !(rate < 0 || rate > 3)) 1542 return cck_upgt2rate[rate & 0xf]; 1543 1544 if (ic->ic_curmode == IEEE80211_MODE_11G && 1545 !(rate < 0 || rate > 11)) 1546 return ofdm_upgt2rate[rate & 0xf]; 1547 1548 return (0); 1549} 1550 1551static void 1552upgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1553{ 1554 struct ifnet *ifp = sc->sc_ifp; 1555 struct upgt_lmac_tx_done_desc *desc; 1556 int i, freed = 0; 1557 1558 UPGT_ASSERT_LOCKED(sc); 1559 1560 desc = (struct upgt_lmac_tx_done_desc *)data; 1561 1562 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1563 struct upgt_data *data_tx = &sc->sc_tx_data[i]; 1564 1565 if (data_tx->addr == le32toh(desc->header2.reqid)) { 1566 upgt_mem_free(sc, data_tx->addr); 1567 data_tx->ni = NULL; 1568 data_tx->addr = 0; 1569 data_tx->m = NULL; 1570 1571 DPRINTF(sc, UPGT_DEBUG_TX_PROC, 1572 "TX done: memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1573 le32toh(desc->header2.reqid), 1574 le16toh(desc->status), le16toh(desc->rssi)); 1575 DPRINTF(sc, UPGT_DEBUG_TX_PROC, "seq=%d\n", 1576 le16toh(desc->seq)); 1577 1578 freed++; 1579 } 1580 } 1581 1582 if (freed != 0) { 1583 sc->sc_tx_timer = 0; 1584 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE; 1585 UPGT_UNLOCK(sc); 1586 upgt_start(ifp); 1587 UPGT_LOCK(sc); 1588 } 1589} 1590 1591static void 1592upgt_mem_free(struct upgt_softc *sc, uint32_t addr) 1593{ 1594 int i; 1595 1596 for (i = 0; i < sc->sc_memory.pages; i++) { 1597 if (sc->sc_memory.page[i].addr == addr) { 1598 sc->sc_memory.page[i].used = 0; 1599 return; 1600 } 1601 } 1602 1603 device_printf(sc->sc_dev, 1604 "could not free memory address 0x%08x\n", addr); 1605} 1606 1607static int 1608upgt_fw_load(struct upgt_softc *sc) 1609{ 1610 const struct firmware *fw; 1611 struct upgt_data *data_cmd; 1612 struct upgt_fw_x2_header *x2; 1613 char start_fwload_cmd[] = { 0x3c, 0x0d }; 1614 int error = 0; 1615 size_t offset; 1616 int bsize; 1617 int n; 1618 uint32_t crc32; 1619 1620 fw = firmware_get(upgt_fwname); 1621 if (fw == NULL) { 1622 device_printf(sc->sc_dev, "could not read microcode %s\n", 1623 upgt_fwname); 1624 return (EIO); 1625 } 1626 1627 UPGT_LOCK(sc); 1628 1629 /* send firmware start load command */ 1630 data_cmd = upgt_getbuf(sc); 1631 if (data_cmd == NULL) { 1632 error = ENOBUFS; 1633 goto fail; 1634 } 1635 data_cmd->buflen = sizeof(start_fwload_cmd); 1636 memcpy(data_cmd->buf, start_fwload_cmd, data_cmd->buflen); 1637 upgt_bulk_tx(sc, data_cmd); 1638 1639 /* send X2 header */ 1640 data_cmd = upgt_getbuf(sc); 1641 if (data_cmd == NULL) { 1642 error = ENOBUFS; 1643 goto fail; 1644 } 1645 data_cmd->buflen = sizeof(struct upgt_fw_x2_header); 1646 x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 1647 memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 1648 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 1649 x2->len = htole32(fw->datasize); 1650 x2->crc = upgt_crc32_le((uint8_t *)data_cmd->buf + 1651 UPGT_X2_SIGNATURE_SIZE, 1652 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 1653 sizeof(uint32_t)); 1654 upgt_bulk_tx(sc, data_cmd); 1655 1656 /* download firmware */ 1657 for (offset = 0; offset < fw->datasize; offset += bsize) { 1658 if (fw->datasize - offset > UPGT_FW_BLOCK_SIZE) 1659 bsize = UPGT_FW_BLOCK_SIZE; 1660 else 1661 bsize = fw->datasize - offset; 1662 1663 data_cmd = upgt_getbuf(sc); 1664 if (data_cmd == NULL) { 1665 error = ENOBUFS; 1666 goto fail; 1667 } 1668 n = upgt_fw_copy((const uint8_t *)fw->data + offset, 1669 data_cmd->buf, bsize); 1670 data_cmd->buflen = bsize; 1671 upgt_bulk_tx(sc, data_cmd); 1672 1673 DPRINTF(sc, UPGT_DEBUG_FW, "FW offset=%d, read=%d, sent=%d\n", 1674 offset, n, bsize); 1675 bsize = n; 1676 } 1677 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware downloaded\n", __func__); 1678 1679 /* load firmware */ 1680 data_cmd = upgt_getbuf(sc); 1681 if (data_cmd == NULL) { 1682 error = ENOBUFS; 1683 goto fail; 1684 } 1685 crc32 = upgt_crc32_le(fw->data, fw->datasize); 1686 *((uint32_t *)(data_cmd->buf) ) = crc32; 1687 *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 1688 *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 1689 data_cmd->buflen = 6; 1690 upgt_bulk_tx(sc, data_cmd); 1691 1692 /* waiting 'OK' response. */ 1693 usbd_transfer_start(sc->sc_xfer[UPGT_BULK_RX]); 1694 error = mtx_sleep(sc, &sc->sc_mtx, 0, "upgtfw", 2 * hz); 1695 if (error != 0) { 1696 device_printf(sc->sc_dev, "firmware load failed\n"); 1697 error = EIO; 1698 } 1699 1700 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware loaded\n", __func__); 1701fail: 1702 UPGT_UNLOCK(sc); 1703 firmware_put(fw, FIRMWARE_UNLOAD); 1704 return (error); 1705} 1706 1707static uint32_t 1708upgt_crc32_le(const void *buf, size_t size) 1709{ 1710 uint32_t crc; 1711 1712 crc = ether_crc32_le(buf, size); 1713 1714 /* apply final XOR value as common for CRC-32 */ 1715 crc = htole32(crc ^ 0xffffffffU); 1716 1717 return (crc); 1718} 1719 1720/* 1721 * While copying the version 2 firmware, we need to replace two characters: 1722 * 1723 * 0x7e -> 0x7d 0x5e 1724 * 0x7d -> 0x7d 0x5d 1725 */ 1726static int 1727upgt_fw_copy(const uint8_t *src, char *dst, int size) 1728{ 1729 int i, j; 1730 1731 for (i = 0, j = 0; i < size && j < size; i++) { 1732 switch (src[i]) { 1733 case 0x7e: 1734 dst[j] = 0x7d; 1735 j++; 1736 dst[j] = 0x5e; 1737 j++; 1738 break; 1739 case 0x7d: 1740 dst[j] = 0x7d; 1741 j++; 1742 dst[j] = 0x5d; 1743 j++; 1744 break; 1745 default: 1746 dst[j] = src[i]; 1747 j++; 1748 break; 1749 } 1750 } 1751 1752 return (i); 1753} 1754 1755static int 1756upgt_mem_init(struct upgt_softc *sc) 1757{ 1758 int i; 1759 1760 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 1761 sc->sc_memory.page[i].used = 0; 1762 1763 if (i == 0) { 1764 /* 1765 * The first memory page is always reserved for 1766 * command data. 1767 */ 1768 sc->sc_memory.page[i].addr = 1769 sc->sc_memaddr_frame_start + MCLBYTES; 1770 } else { 1771 sc->sc_memory.page[i].addr = 1772 sc->sc_memory.page[i - 1].addr + MCLBYTES; 1773 } 1774 1775 if (sc->sc_memory.page[i].addr + MCLBYTES >= 1776 sc->sc_memaddr_frame_end) 1777 break; 1778 1779 DPRINTF(sc, UPGT_DEBUG_FW, "memory address page %d=0x%08x\n", 1780 i, sc->sc_memory.page[i].addr); 1781 } 1782 1783 sc->sc_memory.pages = i; 1784 1785 DPRINTF(sc, UPGT_DEBUG_FW, "memory pages=%d\n", sc->sc_memory.pages); 1786 return (0); 1787} 1788 1789static int 1790upgt_fw_verify(struct upgt_softc *sc) 1791{ 1792 const struct firmware *fw; 1793 const struct upgt_fw_bra_option *bra_opt; 1794 const struct upgt_fw_bra_descr *descr; 1795 const uint8_t *p; 1796 const uint32_t *uc; 1797 uint32_t bra_option_type, bra_option_len; 1798 size_t offset; 1799 int bra_end = 0; 1800 int error = 0; 1801 1802 fw = firmware_get(upgt_fwname); 1803 if (fw == NULL) { 1804 device_printf(sc->sc_dev, "could not read microcode %s\n", 1805 upgt_fwname); 1806 return EIO; 1807 } 1808 1809 /* 1810 * Seek to beginning of Boot Record Area (BRA). 1811 */ 1812 for (offset = 0; offset < fw->datasize; offset += sizeof(*uc)) { 1813 uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1814 if (*uc == 0) 1815 break; 1816 } 1817 for (; offset < fw->datasize; offset += sizeof(*uc)) { 1818 uc = (const uint32_t *)((const uint8_t *)fw->data + offset); 1819 if (*uc != 0) 1820 break; 1821 } 1822 if (offset == fw->datasize) { 1823 device_printf(sc->sc_dev, 1824 "firmware Boot Record Area not found\n"); 1825 error = EIO; 1826 goto fail; 1827 } 1828 1829 DPRINTF(sc, UPGT_DEBUG_FW, 1830 "firmware Boot Record Area found at offset %d\n", offset); 1831 1832 /* 1833 * Parse Boot Record Area (BRA) options. 1834 */ 1835 while (offset < fw->datasize && bra_end == 0) { 1836 /* get current BRA option */ 1837 p = (const uint8_t *)fw->data + offset; 1838 bra_opt = (const struct upgt_fw_bra_option *)p; 1839 bra_option_type = le32toh(bra_opt->type); 1840 bra_option_len = le32toh(bra_opt->len) * sizeof(*uc); 1841 1842 switch (bra_option_type) { 1843 case UPGT_BRA_TYPE_FW: 1844 DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_FW len=%d\n", 1845 bra_option_len); 1846 1847 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 1848 device_printf(sc->sc_dev, 1849 "wrong UPGT_BRA_TYPE_FW len\n"); 1850 error = EIO; 1851 goto fail; 1852 } 1853 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_opt->data, 1854 bra_option_len) == 0) { 1855 sc->sc_fw_type = UPGT_FWTYPE_LM86; 1856 break; 1857 } 1858 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_opt->data, 1859 bra_option_len) == 0) { 1860 sc->sc_fw_type = UPGT_FWTYPE_LM87; 1861 break; 1862 } 1863 device_printf(sc->sc_dev, 1864 "unsupported firmware type\n"); 1865 error = EIO; 1866 goto fail; 1867 case UPGT_BRA_TYPE_VERSION: 1868 DPRINTF(sc, UPGT_DEBUG_FW, 1869 "UPGT_BRA_TYPE_VERSION len=%d\n", bra_option_len); 1870 break; 1871 case UPGT_BRA_TYPE_DEPIF: 1872 DPRINTF(sc, UPGT_DEBUG_FW, 1873 "UPGT_BRA_TYPE_DEPIF len=%d\n", bra_option_len); 1874 break; 1875 case UPGT_BRA_TYPE_EXPIF: 1876 DPRINTF(sc, UPGT_DEBUG_FW, 1877 "UPGT_BRA_TYPE_EXPIF len=%d\n", bra_option_len); 1878 break; 1879 case UPGT_BRA_TYPE_DESCR: 1880 DPRINTF(sc, UPGT_DEBUG_FW, 1881 "UPGT_BRA_TYPE_DESCR len=%d\n", bra_option_len); 1882 1883 descr = (const struct upgt_fw_bra_descr *)bra_opt->data; 1884 1885 sc->sc_memaddr_frame_start = 1886 le32toh(descr->memaddr_space_start); 1887 sc->sc_memaddr_frame_end = 1888 le32toh(descr->memaddr_space_end); 1889 1890 DPRINTF(sc, UPGT_DEBUG_FW, 1891 "memory address space start=0x%08x\n", 1892 sc->sc_memaddr_frame_start); 1893 DPRINTF(sc, UPGT_DEBUG_FW, 1894 "memory address space end=0x%08x\n", 1895 sc->sc_memaddr_frame_end); 1896 break; 1897 case UPGT_BRA_TYPE_END: 1898 DPRINTF(sc, UPGT_DEBUG_FW, "UPGT_BRA_TYPE_END len=%d\n", 1899 bra_option_len); 1900 bra_end = 1; 1901 break; 1902 default: 1903 DPRINTF(sc, UPGT_DEBUG_FW, "unknown BRA option len=%d\n", 1904 bra_option_len); 1905 error = EIO; 1906 goto fail; 1907 } 1908 1909 /* jump to next BRA option */ 1910 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 1911 } 1912 1913 DPRINTF(sc, UPGT_DEBUG_FW, "%s: firmware verified", __func__); 1914fail: 1915 firmware_put(fw, FIRMWARE_UNLOAD); 1916 return (error); 1917} 1918 1919static void 1920upgt_bulk_tx(struct upgt_softc *sc, struct upgt_data *data) 1921{ 1922 1923 UPGT_ASSERT_LOCKED(sc); 1924 1925 STAILQ_INSERT_TAIL(&sc->sc_tx_pending, data, next); 1926 UPGT_STAT_INC(sc, st_tx_pending); 1927 usbd_transfer_start(sc->sc_xfer[UPGT_BULK_TX]); 1928} 1929 1930static int 1931upgt_device_reset(struct upgt_softc *sc) 1932{ 1933 struct upgt_data *data; 1934 char init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 1935 1936 UPGT_LOCK(sc); 1937 1938 data = upgt_getbuf(sc); 1939 if (data == NULL) { 1940 UPGT_UNLOCK(sc); 1941 return (ENOBUFS); 1942 } 1943 memcpy(data->buf, init_cmd, sizeof(init_cmd)); 1944 data->buflen = sizeof(init_cmd); 1945 upgt_bulk_tx(sc, data); 1946 usb_pause_mtx(&sc->sc_mtx, 100); 1947 1948 UPGT_UNLOCK(sc); 1949 DPRINTF(sc, UPGT_DEBUG_FW, "%s: device initialized\n", __func__); 1950 return (0); 1951} 1952 1953static int 1954upgt_alloc_tx(struct upgt_softc *sc) 1955{ 1956 int i; 1957 1958 STAILQ_INIT(&sc->sc_tx_active); 1959 STAILQ_INIT(&sc->sc_tx_inactive); 1960 STAILQ_INIT(&sc->sc_tx_pending); 1961 1962 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 1963 struct upgt_data *data = &sc->sc_tx_data[i]; 1964 data->buf = ((uint8_t *)sc->sc_tx_dma_buf) + (i * MCLBYTES); 1965 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 1966 UPGT_STAT_INC(sc, st_tx_inactive); 1967 } 1968 1969 return (0); 1970} 1971 1972static int 1973upgt_alloc_rx(struct upgt_softc *sc) 1974{ 1975 int i; 1976 1977 STAILQ_INIT(&sc->sc_rx_active); 1978 STAILQ_INIT(&sc->sc_rx_inactive); 1979 1980 for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 1981 struct upgt_data *data = &sc->sc_rx_data[i]; 1982 data->buf = ((uint8_t *)sc->sc_rx_dma_buf) + (i * MCLBYTES); 1983 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 1984 } 1985 return (0); 1986} 1987 1988static int 1989upgt_detach(device_t dev) 1990{ 1991 struct upgt_softc *sc = device_get_softc(dev); 1992 struct ifnet *ifp = sc->sc_ifp; 1993 struct ieee80211com *ic = ifp->if_l2com; 1994 unsigned int x; 1995 1996 /* 1997 * Prevent further allocations from RX/TX/CMD 1998 * data lists and ioctls 1999 */ 2000 UPGT_LOCK(sc); 2001 sc->sc_flags |= UPGT_FLAG_DETACHED; 2002 2003 STAILQ_INIT(&sc->sc_tx_active); 2004 STAILQ_INIT(&sc->sc_tx_inactive); 2005 STAILQ_INIT(&sc->sc_tx_pending); 2006 2007 STAILQ_INIT(&sc->sc_rx_active); 2008 STAILQ_INIT(&sc->sc_rx_inactive); 2009 UPGT_UNLOCK(sc); 2010 2011 upgt_stop(sc); 2012 2013 callout_drain(&sc->sc_led_ch); 2014 callout_drain(&sc->sc_watchdog_ch); 2015 2016 /* drain USB transfers */ 2017 for (x = 0; x != UPGT_N_XFERS; x++) 2018 usbd_transfer_drain(sc->sc_xfer[x]); 2019 2020 /* free data buffers */ 2021 UPGT_LOCK(sc); 2022 upgt_free_rx(sc); 2023 upgt_free_tx(sc); 2024 UPGT_UNLOCK(sc); 2025 2026 /* free USB transfers and some data buffers */ 2027 usbd_transfer_unsetup(sc->sc_xfer, UPGT_N_XFERS); 2028 2029 ieee80211_ifdetach(ic); 2030 if_free(ifp); 2031 mtx_destroy(&sc->sc_mtx); 2032 2033 return (0); 2034} 2035 2036static void 2037upgt_free_rx(struct upgt_softc *sc) 2038{ 2039 int i; 2040 2041 for (i = 0; i < UPGT_RX_MAXCOUNT; i++) { 2042 struct upgt_data *data = &sc->sc_rx_data[i]; 2043 2044 data->buf = NULL; 2045 data->ni = NULL; 2046 } 2047} 2048 2049static void 2050upgt_free_tx(struct upgt_softc *sc) 2051{ 2052 int i; 2053 2054 for (i = 0; i < UPGT_TX_MAXCOUNT; i++) { 2055 struct upgt_data *data = &sc->sc_tx_data[i]; 2056 2057 if (data->ni != NULL) 2058 ieee80211_free_node(data->ni); 2059 2060 data->buf = NULL; 2061 data->ni = NULL; 2062 } 2063} 2064 2065static void 2066upgt_abort_xfers_locked(struct upgt_softc *sc) 2067{ 2068 int i; 2069 2070 UPGT_ASSERT_LOCKED(sc); 2071 /* abort any pending transfers */ 2072 for (i = 0; i < UPGT_N_XFERS; i++) 2073 usbd_transfer_stop(sc->sc_xfer[i]); 2074} 2075 2076static void 2077upgt_abort_xfers(struct upgt_softc *sc) 2078{ 2079 2080 UPGT_LOCK(sc); 2081 upgt_abort_xfers_locked(sc); 2082 UPGT_UNLOCK(sc); 2083} 2084 2085#define UPGT_SYSCTL_STAT_ADD32(c, h, n, p, d) \ 2086 SYSCTL_ADD_UINT(c, h, OID_AUTO, n, CTLFLAG_RD, p, 0, d) 2087 2088static void 2089upgt_sysctl_node(struct upgt_softc *sc) 2090{ 2091 struct sysctl_ctx_list *ctx; 2092 struct sysctl_oid_list *child; 2093 struct sysctl_oid *tree; 2094 struct upgt_stat *stats; 2095 2096 stats = &sc->sc_stat; 2097 ctx = device_get_sysctl_ctx(sc->sc_dev); 2098 child = SYSCTL_CHILDREN(device_get_sysctl_tree(sc->sc_dev)); 2099 2100 tree = SYSCTL_ADD_NODE(ctx, child, OID_AUTO, "stats", CTLFLAG_RD, 2101 NULL, "UPGT statistics"); 2102 child = SYSCTL_CHILDREN(tree); 2103 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_active", 2104 &stats->st_tx_active, "Active numbers in TX queue"); 2105 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_inactive", 2106 &stats->st_tx_inactive, "Inactive numbers in TX queue"); 2107 UPGT_SYSCTL_STAT_ADD32(ctx, child, "tx_pending", 2108 &stats->st_tx_pending, "Pending numbers in TX queue"); 2109} 2110 2111#undef UPGT_SYSCTL_STAT_ADD32 2112 2113static struct upgt_data * 2114_upgt_getbuf(struct upgt_softc *sc) 2115{ 2116 struct upgt_data *bf; 2117 2118 bf = STAILQ_FIRST(&sc->sc_tx_inactive); 2119 if (bf != NULL) { 2120 STAILQ_REMOVE_HEAD(&sc->sc_tx_inactive, next); 2121 UPGT_STAT_DEC(sc, st_tx_inactive); 2122 } else 2123 bf = NULL; 2124 if (bf == NULL) 2125 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: %s\n", __func__, 2126 "out of xmit buffers"); 2127 return (bf); 2128} 2129 2130static struct upgt_data * 2131upgt_getbuf(struct upgt_softc *sc) 2132{ 2133 struct upgt_data *bf; 2134 2135 UPGT_ASSERT_LOCKED(sc); 2136 2137 bf = _upgt_getbuf(sc); 2138 if (bf == NULL) { 2139 struct ifnet *ifp = sc->sc_ifp; 2140 2141 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: stop queue\n", __func__); 2142 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2143 } 2144 2145 return (bf); 2146} 2147 2148static struct upgt_data * 2149upgt_gettxbuf(struct upgt_softc *sc) 2150{ 2151 struct upgt_data *bf; 2152 2153 UPGT_ASSERT_LOCKED(sc); 2154 2155 bf = upgt_getbuf(sc); 2156 if (bf == NULL) 2157 return (NULL); 2158 2159 bf->addr = upgt_mem_alloc(sc); 2160 if (bf->addr == 0) { 2161 struct ifnet *ifp = sc->sc_ifp; 2162 2163 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: no free prism memory!\n", 2164 __func__); 2165 STAILQ_INSERT_HEAD(&sc->sc_tx_inactive, bf, next); 2166 UPGT_STAT_INC(sc, st_tx_inactive); 2167 if (!(ifp->if_drv_flags & IFF_DRV_OACTIVE)) 2168 ifp->if_drv_flags |= IFF_DRV_OACTIVE; 2169 return (NULL); 2170 } 2171 return (bf); 2172} 2173 2174static int 2175upgt_tx_start(struct upgt_softc *sc, struct mbuf *m, struct ieee80211_node *ni, 2176 struct upgt_data *data) 2177{ 2178 struct ieee80211vap *vap = ni->ni_vap; 2179 int error = 0, len; 2180 struct ieee80211_frame *wh; 2181 struct ieee80211_key *k; 2182 struct ifnet *ifp = sc->sc_ifp; 2183 struct upgt_lmac_mem *mem; 2184 struct upgt_lmac_tx_desc *txdesc; 2185 2186 UPGT_ASSERT_LOCKED(sc); 2187 2188 upgt_set_led(sc, UPGT_LED_BLINK); 2189 2190 /* 2191 * Software crypto. 2192 */ 2193 wh = mtod(m, struct ieee80211_frame *); 2194 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 2195 k = ieee80211_crypto_encap(ni, m); 2196 if (k == NULL) { 2197 device_printf(sc->sc_dev, 2198 "ieee80211_crypto_encap returns NULL.\n"); 2199 error = EIO; 2200 goto done; 2201 } 2202 2203 /* in case packet header moved, reset pointer */ 2204 wh = mtod(m, struct ieee80211_frame *); 2205 } 2206 2207 /* Transmit the URB containing the TX data. */ 2208 memset(data->buf, 0, MCLBYTES); 2209 mem = (struct upgt_lmac_mem *)data->buf; 2210 mem->addr = htole32(data->addr); 2211 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 2212 2213 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 2214 IEEE80211_FC0_TYPE_MGT) { 2215 /* mgmt frames */ 2216 txdesc->header1.flags = UPGT_H1_FLAGS_TX_MGMT; 2217 /* always send mgmt frames at lowest rate (DS1) */ 2218 memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 2219 } else { 2220 /* data frames */ 2221 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 2222 memcpy(txdesc->rates, sc->sc_cur_rateset, sizeof(txdesc->rates)); 2223 } 2224 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 2225 txdesc->header1.len = htole16(m->m_pkthdr.len); 2226 txdesc->header2.reqid = htole32(data->addr); 2227 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 2228 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 2229 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 2230 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 2231 2232 if (ieee80211_radiotap_active_vap(vap)) { 2233 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 2234 2235 tap->wt_flags = 0; 2236 tap->wt_rate = 0; /* XXX where to get from? */ 2237 2238 ieee80211_radiotap_tx(vap, m); 2239 } 2240 2241 /* copy frame below our TX descriptor header */ 2242 m_copydata(m, 0, m->m_pkthdr.len, 2243 data->buf + (sizeof(*mem) + sizeof(*txdesc))); 2244 /* calculate frame size */ 2245 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 2246 /* we need to align the frame to a 4 byte boundary */ 2247 len = (len + 3) & ~3; 2248 /* calculate frame checksum */ 2249 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, len - sizeof(*mem)); 2250 data->ni = ni; 2251 data->m = m; 2252 data->buflen = len; 2253 2254 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: TX start data sending (%d bytes)\n", 2255 __func__, len); 2256 KASSERT(len <= MCLBYTES, ("mbuf is small for saving data")); 2257 2258 upgt_bulk_tx(sc, data); 2259done: 2260 /* 2261 * If we don't regulary read the device statistics, the RX queue 2262 * will stall. It's strange, but it works, so we keep reading 2263 * the statistics here. *shrug* 2264 */ 2265 if (!(ifp->if_opackets % UPGT_TX_STAT_INTERVAL)) 2266 upgt_get_stats(sc); 2267 2268 return (error); 2269} 2270 2271static void 2272upgt_bulk_rx_callback(struct usb_xfer *xfer, usb_error_t error) 2273{ 2274 struct upgt_softc *sc = usbd_xfer_softc(xfer); 2275 struct ifnet *ifp = sc->sc_ifp; 2276 struct ieee80211com *ic = ifp->if_l2com; 2277 struct ieee80211_frame *wh; 2278 struct ieee80211_node *ni; 2279 struct mbuf *m = NULL; 2280 struct upgt_data *data; 2281 int8_t nf; 2282 int rssi = -1; 2283 2284 UPGT_ASSERT_LOCKED(sc); 2285 2286 switch (USB_GET_STATE(xfer)) { 2287 case USB_ST_TRANSFERRED: 2288 data = STAILQ_FIRST(&sc->sc_rx_active); 2289 if (data == NULL) 2290 goto setup; 2291 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2292 m = upgt_rxeof(xfer, data, &rssi); 2293 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2294 /* FALLTHROUGH */ 2295 case USB_ST_SETUP: 2296setup: 2297 data = STAILQ_FIRST(&sc->sc_rx_inactive); 2298 if (data == NULL) 2299 return; 2300 STAILQ_REMOVE_HEAD(&sc->sc_rx_inactive, next); 2301 STAILQ_INSERT_TAIL(&sc->sc_rx_active, data, next); 2302 usbd_xfer_set_frame_data(xfer, 0, data->buf, MCLBYTES); 2303 usbd_transfer_submit(xfer); 2304 2305 /* 2306 * To avoid LOR we should unlock our private mutex here to call 2307 * ieee80211_input() because here is at the end of a USB 2308 * callback and safe to unlock. 2309 */ 2310 UPGT_UNLOCK(sc); 2311 if (m != NULL) { 2312 wh = mtod(m, struct ieee80211_frame *); 2313 ni = ieee80211_find_rxnode(ic, 2314 (struct ieee80211_frame_min *)wh); 2315 nf = -95; /* XXX */ 2316 if (ni != NULL) { 2317 (void) ieee80211_input(ni, m, rssi, nf); 2318 /* node is no longer needed */ 2319 ieee80211_free_node(ni); 2320 } else 2321 (void) ieee80211_input_all(ic, m, rssi, nf); 2322 m = NULL; 2323 } 2324 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 && 2325 !IFQ_IS_EMPTY(&ifp->if_snd)) 2326 upgt_start(ifp); 2327 UPGT_LOCK(sc); 2328 break; 2329 default: 2330 /* needs it to the inactive queue due to a error. */ 2331 data = STAILQ_FIRST(&sc->sc_rx_active); 2332 if (data != NULL) { 2333 STAILQ_REMOVE_HEAD(&sc->sc_rx_active, next); 2334 STAILQ_INSERT_TAIL(&sc->sc_rx_inactive, data, next); 2335 } 2336 if (error != USB_ERR_CANCELLED) { 2337 usbd_xfer_set_stall(xfer); 2338 ifp->if_ierrors++; 2339 goto setup; 2340 } 2341 break; 2342 } 2343} 2344 2345static void 2346upgt_bulk_tx_callback(struct usb_xfer *xfer, usb_error_t error) 2347{ 2348 struct upgt_softc *sc = usbd_xfer_softc(xfer); 2349 struct ifnet *ifp = sc->sc_ifp; 2350 struct upgt_data *data; 2351 2352 UPGT_ASSERT_LOCKED(sc); 2353 switch (USB_GET_STATE(xfer)) { 2354 case USB_ST_TRANSFERRED: 2355 data = STAILQ_FIRST(&sc->sc_tx_active); 2356 if (data == NULL) 2357 goto setup; 2358 STAILQ_REMOVE_HEAD(&sc->sc_tx_active, next); 2359 UPGT_STAT_DEC(sc, st_tx_active); 2360 upgt_txeof(xfer, data); 2361 STAILQ_INSERT_TAIL(&sc->sc_tx_inactive, data, next); 2362 UPGT_STAT_INC(sc, st_tx_inactive); 2363 /* FALLTHROUGH */ 2364 case USB_ST_SETUP: 2365setup: 2366 data = STAILQ_FIRST(&sc->sc_tx_pending); 2367 if (data == NULL) { 2368 DPRINTF(sc, UPGT_DEBUG_XMIT, "%s: empty pending queue\n", 2369 __func__); 2370 return; 2371 } 2372 STAILQ_REMOVE_HEAD(&sc->sc_tx_pending, next); 2373 UPGT_STAT_DEC(sc, st_tx_pending); 2374 STAILQ_INSERT_TAIL(&sc->sc_tx_active, data, next); 2375 UPGT_STAT_INC(sc, st_tx_active); 2376 2377 usbd_xfer_set_frame_data(xfer, 0, data->buf, data->buflen); 2378 usbd_transfer_submit(xfer); 2379 UPGT_UNLOCK(sc); 2380 upgt_start(ifp); 2381 UPGT_LOCK(sc); 2382 break; 2383 default: 2384 data = STAILQ_FIRST(&sc->sc_tx_active); 2385 if (data == NULL) 2386 goto setup; 2387 if (data->ni != NULL) { 2388 ieee80211_free_node(data->ni); 2389 data->ni = NULL; 2390 ifp->if_oerrors++; 2391 } 2392 if (error != USB_ERR_CANCELLED) { 2393 usbd_xfer_set_stall(xfer); 2394 goto setup; 2395 } 2396 break; 2397 } 2398} 2399 2400static device_method_t upgt_methods[] = { 2401 /* Device interface */ 2402 DEVMETHOD(device_probe, upgt_match), 2403 DEVMETHOD(device_attach, upgt_attach), 2404 DEVMETHOD(device_detach, upgt_detach), 2405 DEVMETHOD_END 2406}; 2407 2408static driver_t upgt_driver = { 2409 .name = "upgt", 2410 .methods = upgt_methods, 2411 .size = sizeof(struct upgt_softc) 2412}; 2413 2414static devclass_t upgt_devclass; 2415 2416DRIVER_MODULE(if_upgt, uhub, upgt_driver, upgt_devclass, NULL, 0); 2417MODULE_VERSION(if_upgt, 1); 2418MODULE_DEPEND(if_upgt, usb, 1, 1, 1); 2419MODULE_DEPEND(if_upgt, wlan, 1, 1, 1); 2420MODULE_DEPEND(if_upgt, upgtfw_fw, 1, 1, 1); 2421