if_upgt.c revision 1.12.2.3
1 /* $NetBSD: if_upgt.c,v 1.12.2.3 2018/08/08 10:17:11 martin Exp $ */ 2 /* $OpenBSD: if_upgt.c,v 1.49 2010/04/20 22:05:43 tedu Exp $ */ 3 4 /* 5 * Copyright (c) 2007 Marcus Glocker <mglocker (at) 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/cdefs.h> 21 __KERNEL_RCSID(0, "$NetBSD: if_upgt.c,v 1.12.2.3 2018/08/08 10:17:11 martin Exp $"); 22 23 #ifdef _KERNEL_OPT 24 #include "opt_usb.h" 25 #endif 26 27 #include <sys/param.h> 28 #include <sys/callout.h> 29 #include <sys/device.h> 30 #include <sys/errno.h> 31 #include <sys/kernel.h> 32 #include <sys/kthread.h> 33 #include <sys/mbuf.h> 34 #include <sys/proc.h> 35 #include <sys/sockio.h> 36 #include <sys/systm.h> 37 #include <sys/vnode.h> 38 #include <sys/bus.h> 39 #include <sys/endian.h> 40 #include <sys/intr.h> 41 42 #include <net/bpf.h> 43 #include <net/if.h> 44 #include <net/if_arp.h> 45 #include <net/if_dl.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 #include <net/if_types.h> 49 50 #include <net80211/ieee80211_var.h> 51 #include <net80211/ieee80211_radiotap.h> 52 53 #include <dev/firmload.h> 54 55 #include <dev/usb/usb.h> 56 #include <dev/usb/usbdi.h> 57 #include <dev/usb/usbdi_util.h> 58 #include <dev/usb/usbdivar.h> 59 #include <dev/usb/usbdevs.h> 60 61 #include <dev/usb/if_upgtvar.h> 62 63 /* 64 * Driver for the USB PrismGT devices. 65 * 66 * For now just USB 2.0 devices with the GW3887 chipset are supported. 67 * The driver has been written based on the firmware version 2.13.1.0_LM87. 68 * 69 * TODO's: 70 * - Fix MONITOR mode (MAC filter). 71 * - Add HOSTAP mode. 72 * - Add IBSS mode. 73 * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 74 * 75 * Parts of this driver has been influenced by reading the p54u driver 76 * written by Jean-Baptiste Note <jean-baptiste.note (at) m4x.org> and 77 * Sebastien Bourdeauducq <lekernel (at) prism54.org>. 78 */ 79 80 #ifdef UPGT_DEBUG 81 int upgt_debug = 2; 82 #define DPRINTF(l, x...) do { if ((l) <= upgt_debug) printf(x); } while (0) 83 #else 84 #define DPRINTF(l, x...) 85 #endif 86 87 /* 88 * Prototypes. 89 */ 90 static int upgt_match(device_t, cfdata_t, void *); 91 static void upgt_attach(device_t, device_t, void *); 92 static int upgt_detach(device_t, int); 93 static int upgt_activate(device_t, devact_t); 94 95 static void upgt_attach_hook(device_t); 96 static int upgt_device_type(struct upgt_softc *, uint16_t, uint16_t); 97 static int upgt_device_init(struct upgt_softc *); 98 static int upgt_mem_init(struct upgt_softc *); 99 static uint32_t upgt_mem_alloc(struct upgt_softc *); 100 static void upgt_mem_free(struct upgt_softc *, uint32_t); 101 static int upgt_fw_alloc(struct upgt_softc *); 102 static void upgt_fw_free(struct upgt_softc *); 103 static int upgt_fw_verify(struct upgt_softc *); 104 static int upgt_fw_load(struct upgt_softc *); 105 static int upgt_fw_copy(char *, char *, int); 106 static int upgt_eeprom_read(struct upgt_softc *); 107 static int upgt_eeprom_parse(struct upgt_softc *); 108 static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 109 static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 110 static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 111 static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 112 113 static int upgt_ioctl(struct ifnet *, u_long, void *); 114 static int upgt_init(struct ifnet *); 115 static void upgt_stop(struct upgt_softc *); 116 static int upgt_media_change(struct ifnet *); 117 static void upgt_newassoc(struct ieee80211_node *, int); 118 static int upgt_newstate(struct ieee80211com *, enum ieee80211_state, 119 int); 120 static void upgt_newstate_task(void *); 121 static void upgt_next_scan(void *); 122 static void upgt_start(struct ifnet *); 123 static void upgt_watchdog(struct ifnet *); 124 static void upgt_tx_task(void *); 125 static void upgt_tx_done(struct upgt_softc *, uint8_t *); 126 static void upgt_rx_cb(struct usbd_xfer *, void *, usbd_status); 127 static void upgt_rx(struct upgt_softc *, uint8_t *, int); 128 static void upgt_setup_rates(struct upgt_softc *); 129 static uint8_t upgt_rx_rate(struct upgt_softc *, const int); 130 static int upgt_set_macfilter(struct upgt_softc *, uint8_t); 131 static int upgt_set_channel(struct upgt_softc *, unsigned); 132 static void upgt_set_led(struct upgt_softc *, int); 133 static void upgt_set_led_blink(void *); 134 static int upgt_get_stats(struct upgt_softc *); 135 136 static int upgt_alloc_tx(struct upgt_softc *); 137 static int upgt_alloc_rx(struct upgt_softc *); 138 static int upgt_alloc_cmd(struct upgt_softc *); 139 static void upgt_free_tx(struct upgt_softc *); 140 static void upgt_free_rx(struct upgt_softc *); 141 static void upgt_free_cmd(struct upgt_softc *); 142 static int upgt_bulk_xmit(struct upgt_softc *, struct upgt_data *, 143 struct usbd_pipe *, uint32_t *, int); 144 145 #if 0 146 static void upgt_hexdump(void *, int); 147 #endif 148 static uint32_t upgt_crc32_le(const void *, size_t); 149 static uint32_t upgt_chksum_le(const uint32_t *, size_t); 150 151 CFATTACH_DECL_NEW(upgt, sizeof(struct upgt_softc), 152 upgt_match, upgt_attach, upgt_detach, upgt_activate); 153 154 static const struct usb_devno upgt_devs_1[] = { 155 /* version 1 devices */ 156 { USB_VENDOR_ALCATELT, USB_PRODUCT_ALCATELT_ST120G }, 157 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG_V1 } 158 }; 159 160 static const struct usb_devno upgt_devs_2[] = { 161 /* version 2 devices */ 162 { USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_PRISM_GT }, 163 { USB_VENDOR_ALCATELT, USB_PRODUCT_ALCATELT_ST121G }, 164 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050 }, 165 { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54AG }, 166 { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GV2 }, 167 { USB_VENDOR_CONCEPTRONIC2, USB_PRODUCT_CONCEPTRONIC2_PRISM_GT }, 168 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GTST }, 169 { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_1 }, 170 { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_2 }, 171 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWLG122A2 }, 172 { USB_VENDOR_FSC, USB_PRODUCT_FSC_E5400 }, 173 { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_1 }, 174 { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_2 }, 175 { USB_VENDOR_INTERSIL, USB_PRODUCT_INTERSIL_PRISM_GT }, 176 { USB_VENDOR_PHEENET, USB_PRODUCT_PHEENET_GWU513 }, 177 { USB_VENDOR_PHILIPS, USB_PRODUCT_PHILIPS_CPWUA054 }, 178 { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_RUITZ1016YCZZ }, 179 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG }, 180 { USB_VENDOR_USR, USB_PRODUCT_USR_USR5422 }, 181 { USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_UR045G }, 182 { USB_VENDOR_CONEXANT, USB_PRODUCT_CONEXANT_PRISM_GT_1 }, 183 { USB_VENDOR_CONEXANT, USB_PRODUCT_CONEXANT_PRISM_GT_2 }, 184 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_MD40900 }, 185 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_XG703A } 186 }; 187 188 static int 189 firmware_load(const char *dname, const char *iname, uint8_t **ucodep, 190 size_t *sizep) 191 { 192 firmware_handle_t fh; 193 int error; 194 195 if ((error = firmware_open(dname, iname, &fh)) != 0) 196 return error; 197 *sizep = firmware_get_size(fh); 198 if ((*ucodep = firmware_malloc(*sizep)) == NULL) { 199 firmware_close(fh); 200 return ENOMEM; 201 } 202 if ((error = firmware_read(fh, 0, *ucodep, *sizep)) != 0) 203 firmware_free(*ucodep, *sizep); 204 firmware_close(fh); 205 206 return error; 207 } 208 209 static int 210 upgt_match(device_t parent, cfdata_t match, void *aux) 211 { 212 struct usb_attach_arg *uaa = aux; 213 214 if (usb_lookup(upgt_devs_1, uaa->uaa_vendor, uaa->uaa_product) != NULL) 215 return UMATCH_VENDOR_PRODUCT; 216 217 if (usb_lookup(upgt_devs_2, uaa->uaa_vendor, uaa->uaa_product) != NULL) 218 return UMATCH_VENDOR_PRODUCT; 219 220 return UMATCH_NONE; 221 } 222 223 static void 224 upgt_attach(device_t parent, device_t self, void *aux) 225 { 226 struct upgt_softc *sc = device_private(self); 227 struct usb_attach_arg *uaa = aux; 228 usb_interface_descriptor_t *id; 229 usb_endpoint_descriptor_t *ed; 230 usbd_status error; 231 char *devinfop; 232 int i; 233 234 aprint_naive("\n"); 235 aprint_normal("\n"); 236 237 /* 238 * Attach USB device. 239 */ 240 sc->sc_dev = self; 241 sc->sc_udev = uaa->uaa_device; 242 243 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 244 aprint_normal_dev(sc->sc_dev, "%s\n", devinfop); 245 usbd_devinfo_free(devinfop); 246 247 /* check device type */ 248 if (upgt_device_type(sc, uaa->uaa_vendor, uaa->uaa_product) != 0) 249 return; 250 251 /* set configuration number */ 252 error = usbd_set_config_no(sc->sc_udev, UPGT_CONFIG_NO, 0); 253 if (error != 0) { 254 aprint_error_dev(sc->sc_dev, "failed to set configuration" 255 ", err=%s\n", usbd_errstr(error)); 256 return; 257 } 258 259 /* get the first interface handle */ 260 error = usbd_device2interface_handle(sc->sc_udev, UPGT_IFACE_INDEX, 261 &sc->sc_iface); 262 if (error != 0) { 263 aprint_error_dev(sc->sc_dev, 264 "could not get interface handle\n"); 265 return; 266 } 267 268 /* find endpoints */ 269 id = usbd_get_interface_descriptor(sc->sc_iface); 270 sc->sc_rx_no = sc->sc_tx_no = -1; 271 for (i = 0; i < id->bNumEndpoints; i++) { 272 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 273 if (ed == NULL) { 274 aprint_error_dev(sc->sc_dev, 275 "no endpoint descriptor for iface %d\n", i); 276 return; 277 } 278 279 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 280 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 281 sc->sc_tx_no = ed->bEndpointAddress; 282 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 283 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 284 sc->sc_rx_no = ed->bEndpointAddress; 285 286 /* 287 * 0x01 TX pipe 288 * 0x81 RX pipe 289 * 290 * Deprecated scheme (not used with fw version >2.5.6.x): 291 * 0x02 TX MGMT pipe 292 * 0x82 TX MGMT pipe 293 */ 294 if (sc->sc_tx_no != -1 && sc->sc_rx_no != -1) 295 break; 296 } 297 if (sc->sc_rx_no == -1 || sc->sc_tx_no == -1) { 298 aprint_error_dev(sc->sc_dev, "missing endpoint\n"); 299 return; 300 } 301 302 /* setup tasks and timeouts */ 303 usb_init_task(&sc->sc_task_newstate, upgt_newstate_task, sc, 0); 304 usb_init_task(&sc->sc_task_tx, upgt_tx_task, sc, 0); 305 callout_init(&sc->scan_to, 0); 306 callout_setfunc(&sc->scan_to, upgt_next_scan, sc); 307 callout_init(&sc->led_to, 0); 308 callout_setfunc(&sc->led_to, upgt_set_led_blink, sc); 309 310 /* 311 * Open TX and RX USB bulk pipes. 312 */ 313 error = usbd_open_pipe(sc->sc_iface, sc->sc_tx_no, USBD_EXCLUSIVE_USE, 314 &sc->sc_tx_pipeh); 315 if (error != 0) { 316 aprint_error_dev(sc->sc_dev, 317 "could not open TX pipe: %s\n", usbd_errstr(error)); 318 goto fail; 319 } 320 error = usbd_open_pipe(sc->sc_iface, sc->sc_rx_no, USBD_EXCLUSIVE_USE, 321 &sc->sc_rx_pipeh); 322 if (error != 0) { 323 aprint_error_dev(sc->sc_dev, "could not open RX pipe: %s\n", 324 usbd_errstr(error)); 325 goto fail; 326 } 327 328 /* 329 * Allocate TX, RX, and CMD xfers. 330 */ 331 if (upgt_alloc_tx(sc) != 0) 332 goto fail; 333 if (upgt_alloc_rx(sc) != 0) 334 goto fail; 335 if (upgt_alloc_cmd(sc) != 0) 336 goto fail; 337 338 /* 339 * We need the firmware loaded from file system to complete the attach. 340 */ 341 config_mountroot(self, upgt_attach_hook); 342 343 return; 344 fail: 345 aprint_error_dev(sc->sc_dev, "%s failed\n", __func__); 346 } 347 348 static void 349 upgt_attach_hook(device_t arg) 350 { 351 struct upgt_softc *sc = device_private(arg); 352 struct ieee80211com *ic = &sc->sc_ic; 353 struct ifnet *ifp = &sc->sc_if; 354 usbd_status error; 355 int i; 356 357 /* 358 * Load firmware file into memory. 359 */ 360 if (upgt_fw_alloc(sc) != 0) 361 goto fail; 362 363 /* 364 * Initialize the device. 365 */ 366 if (upgt_device_init(sc) != 0) 367 goto fail; 368 369 /* 370 * Verify the firmware. 371 */ 372 if (upgt_fw_verify(sc) != 0) 373 goto fail; 374 375 /* 376 * Calculate device memory space. 377 */ 378 if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 379 aprint_error_dev(sc->sc_dev, 380 "could not find memory space addresses on FW\n"); 381 goto fail; 382 } 383 sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 384 sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 385 386 DPRINTF(1, "%s: memory address frame start=0x%08x\n", 387 device_xname(sc->sc_dev), sc->sc_memaddr_frame_start); 388 DPRINTF(1, "%s: memory address frame end=0x%08x\n", 389 device_xname(sc->sc_dev), sc->sc_memaddr_frame_end); 390 DPRINTF(1, "%s: memory address rx start=0x%08x\n", 391 device_xname(sc->sc_dev), sc->sc_memaddr_rx_start); 392 393 upgt_mem_init(sc); 394 395 /* 396 * Load the firmware. 397 */ 398 if (upgt_fw_load(sc) != 0) 399 goto fail; 400 401 /* 402 * Startup the RX pipe. 403 */ 404 struct upgt_data *data_rx = &sc->rx_data; 405 406 usbd_setup_xfer(data_rx->xfer, data_rx, data_rx->buf, 407 MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 408 error = usbd_transfer(data_rx->xfer); 409 if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { 410 aprint_error_dev(sc->sc_dev, 411 "could not queue RX transfer\n"); 412 goto fail; 413 } 414 usbd_delay_ms(sc->sc_udev, 100); 415 416 /* 417 * Read the whole EEPROM content and parse it. 418 */ 419 if (upgt_eeprom_read(sc) != 0) 420 goto fail; 421 if (upgt_eeprom_parse(sc) != 0) 422 goto fail; 423 424 /* 425 * Setup the 802.11 device. 426 */ 427 ic->ic_ifp = ifp; 428 ic->ic_phytype = IEEE80211_T_OFDM; 429 ic->ic_opmode = IEEE80211_M_STA; 430 ic->ic_state = IEEE80211_S_INIT; 431 ic->ic_caps = 432 IEEE80211_C_MONITOR | 433 IEEE80211_C_SHPREAMBLE | 434 IEEE80211_C_SHSLOT; 435 436 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 437 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 438 439 for (i = 1; i <= 14; i++) { 440 ic->ic_channels[i].ic_freq = 441 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 442 ic->ic_channels[i].ic_flags = 443 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 444 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 445 } 446 447 ifp->if_softc = sc; 448 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 449 ifp->if_init = upgt_init; 450 ifp->if_ioctl = upgt_ioctl; 451 ifp->if_start = upgt_start; 452 ifp->if_watchdog = upgt_watchdog; 453 IFQ_SET_READY(&ifp->if_snd); 454 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 455 456 if_attach(ifp); 457 ieee80211_ifattach(ic); 458 ic->ic_newassoc = upgt_newassoc; 459 460 sc->sc_newstate = ic->ic_newstate; 461 ic->ic_newstate = upgt_newstate; 462 ieee80211_media_init(ic, upgt_media_change, ieee80211_media_status); 463 464 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 465 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 466 &sc->sc_drvbpf); 467 468 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 469 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 470 sc->sc_rxtap.wr_ihdr.it_present = htole32(UPGT_RX_RADIOTAP_PRESENT); 471 472 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 473 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 474 sc->sc_txtap.wt_ihdr.it_present = htole32(UPGT_TX_RADIOTAP_PRESENT); 475 476 aprint_normal_dev(sc->sc_dev, "address %s\n", 477 ether_sprintf(ic->ic_myaddr)); 478 479 ieee80211_announce(ic); 480 481 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 482 483 /* device attached */ 484 sc->sc_flags |= UPGT_DEVICE_ATTACHED; 485 486 return; 487 fail: 488 aprint_error_dev(sc->sc_dev, "%s failed\n", __func__); 489 } 490 491 static int 492 upgt_detach(device_t self, int flags) 493 { 494 struct upgt_softc *sc = device_private(self); 495 struct ifnet *ifp = &sc->sc_if; 496 struct ieee80211com *ic = &sc->sc_ic; 497 int s; 498 499 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 500 501 s = splnet(); 502 503 if (ifp->if_flags & IFF_RUNNING) 504 upgt_stop(sc); 505 506 /* remove tasks and timeouts */ 507 callout_halt(&sc->scan_to, NULL); 508 callout_halt(&sc->led_to, NULL); 509 usb_rem_task_wait(sc->sc_udev, &sc->sc_task_newstate, USB_TASKQ_DRIVER, 510 NULL); 511 usb_rem_task_wait(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER, 512 NULL); 513 callout_destroy(&sc->scan_to); 514 callout_destroy(&sc->led_to); 515 516 /* abort and close TX / RX pipes */ 517 if (sc->sc_tx_pipeh != NULL) { 518 usbd_abort_pipe(sc->sc_tx_pipeh); 519 } 520 if (sc->sc_rx_pipeh != NULL) { 521 usbd_abort_pipe(sc->sc_rx_pipeh); 522 } 523 524 /* free xfers */ 525 upgt_free_tx(sc); 526 upgt_free_rx(sc); 527 upgt_free_cmd(sc); 528 529 /* Close TX / RX pipes */ 530 if (sc->sc_tx_pipeh != NULL) { 531 usbd_close_pipe(sc->sc_tx_pipeh); 532 } 533 if (sc->sc_rx_pipeh != NULL) { 534 usbd_close_pipe(sc->sc_rx_pipeh); 535 } 536 537 /* free firmware */ 538 upgt_fw_free(sc); 539 540 if (sc->sc_flags & UPGT_DEVICE_ATTACHED) { 541 /* detach interface */ 542 bpf_detach(ifp); 543 ieee80211_ifdetach(ic); 544 if_detach(ifp); 545 } 546 547 splx(s); 548 549 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 550 551 return 0; 552 } 553 554 static int 555 upgt_activate(device_t self, devact_t act) 556 { 557 struct upgt_softc *sc = device_private(self); 558 559 switch (act) { 560 case DVACT_DEACTIVATE: 561 if_deactivate(&sc->sc_if); 562 return 0; 563 default: 564 return EOPNOTSUPP; 565 } 566 } 567 568 static int 569 upgt_device_type(struct upgt_softc *sc, uint16_t vendor, uint16_t product) 570 { 571 572 if (usb_lookup(upgt_devs_1, vendor, product) != NULL) { 573 sc->sc_device_type = 1; 574 /* XXX */ 575 aprint_error_dev(sc->sc_dev, 576 "version 1 devices not supported yet\n"); 577 return 1; 578 } else 579 sc->sc_device_type = 2; 580 581 return 0; 582 } 583 584 static int 585 upgt_device_init(struct upgt_softc *sc) 586 { 587 struct upgt_data *data_cmd = &sc->cmd_data; 588 const uint8_t init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 589 int len; 590 591 len = sizeof(init_cmd); 592 memcpy(data_cmd->buf, init_cmd, len); 593 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 594 aprint_error_dev(sc->sc_dev, 595 "could not send device init string\n"); 596 return EIO; 597 } 598 usbd_delay_ms(sc->sc_udev, 100); 599 600 DPRINTF(1, "%s: device initialized\n", device_xname(sc->sc_dev)); 601 602 return 0; 603 } 604 605 static int 606 upgt_mem_init(struct upgt_softc *sc) 607 { 608 int i; 609 610 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 611 sc->sc_memory.page[i].used = 0; 612 613 if (i == 0) { 614 /* 615 * The first memory page is always reserved for 616 * command data. 617 */ 618 sc->sc_memory.page[i].addr = 619 sc->sc_memaddr_frame_start + MCLBYTES; 620 } else { 621 sc->sc_memory.page[i].addr = 622 sc->sc_memory.page[i - 1].addr + MCLBYTES; 623 } 624 625 if (sc->sc_memory.page[i].addr + MCLBYTES >= 626 sc->sc_memaddr_frame_end) 627 break; 628 629 DPRINTF(2, "%s: memory address page %d=0x%08x\n", 630 device_xname(sc->sc_dev), i, sc->sc_memory.page[i].addr); 631 } 632 633 sc->sc_memory.pages = i; 634 635 DPRINTF(2, "%s: memory pages=%d\n", 636 device_xname(sc->sc_dev), sc->sc_memory.pages); 637 638 return 0; 639 } 640 641 static uint32_t 642 upgt_mem_alloc(struct upgt_softc *sc) 643 { 644 int i; 645 646 for (i = 0; i < sc->sc_memory.pages; i++) { 647 if (sc->sc_memory.page[i].used == 0) { 648 sc->sc_memory.page[i].used = 1; 649 return sc->sc_memory.page[i].addr; 650 } 651 } 652 653 return 0; 654 } 655 656 static void 657 upgt_mem_free(struct upgt_softc *sc, uint32_t addr) 658 { 659 int i; 660 661 for (i = 0; i < sc->sc_memory.pages; i++) { 662 if (sc->sc_memory.page[i].addr == addr) { 663 sc->sc_memory.page[i].used = 0; 664 return; 665 } 666 } 667 668 aprint_error_dev(sc->sc_dev, "could not free memory address 0x%08x\n", 669 addr); 670 } 671 672 673 static int 674 upgt_fw_alloc(struct upgt_softc *sc) 675 { 676 const char *name = "upgt-gw3887"; 677 int error; 678 679 if (sc->sc_fw == NULL) { 680 error = firmware_load("upgt", name, &sc->sc_fw, 681 &sc->sc_fw_size); 682 if (error != 0) { 683 if (error == ENOENT) { 684 /* 685 * The firmware file for upgt(4) is not in 686 * the default distribution due to its lisence 687 * so explicitly notify it if the firmware file 688 * is not found. 689 */ 690 aprint_error_dev(sc->sc_dev, 691 "firmware file %s is not installed\n", 692 name); 693 aprint_error_dev(sc->sc_dev, 694 "(it is not included in the default" 695 " distribution)\n"); 696 aprint_error_dev(sc->sc_dev, 697 "see upgt(4) man page for details about " 698 "firmware installation\n"); 699 } else { 700 aprint_error_dev(sc->sc_dev, 701 "could not read firmware %s\n", name); 702 } 703 return EIO; 704 } 705 } 706 707 DPRINTF(1, "%s: firmware %s allocated\n", device_xname(sc->sc_dev), 708 name); 709 710 return 0; 711 } 712 713 static void 714 upgt_fw_free(struct upgt_softc *sc) 715 { 716 717 if (sc->sc_fw != NULL) { 718 firmware_free(sc->sc_fw, sc->sc_fw_size); 719 sc->sc_fw = NULL; 720 DPRINTF(1, "%s: firmware freed\n", device_xname(sc->sc_dev)); 721 } 722 } 723 724 static int 725 upgt_fw_verify(struct upgt_softc *sc) 726 { 727 struct upgt_fw_bra_option *bra_option; 728 uint32_t bra_option_type, bra_option_len; 729 uint32_t *uc; 730 int offset, bra_end = 0; 731 732 /* 733 * Seek to beginning of Boot Record Area (BRA). 734 */ 735 for (offset = 0; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 736 uc = (uint32_t *)(sc->sc_fw + offset); 737 if (*uc == 0) 738 break; 739 } 740 for (; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 741 uc = (uint32_t *)(sc->sc_fw + offset); 742 if (*uc != 0) 743 break; 744 } 745 if (offset == sc->sc_fw_size) { 746 aprint_error_dev(sc->sc_dev, 747 "firmware Boot Record Area not found\n"); 748 return EIO; 749 } 750 DPRINTF(1, "%s: firmware Boot Record Area found at offset %d\n", 751 device_xname(sc->sc_dev), offset); 752 753 /* 754 * Parse Boot Record Area (BRA) options. 755 */ 756 while (offset < sc->sc_fw_size && bra_end == 0) { 757 /* get current BRA option */ 758 bra_option = (struct upgt_fw_bra_option *)(sc->sc_fw + offset); 759 bra_option_type = le32toh(bra_option->type); 760 bra_option_len = le32toh(bra_option->len) * sizeof(*uc); 761 762 switch (bra_option_type) { 763 case UPGT_BRA_TYPE_FW: 764 DPRINTF(1, "%s: UPGT_BRA_TYPE_FW len=%d\n", 765 device_xname(sc->sc_dev), bra_option_len); 766 767 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 768 aprint_error_dev(sc->sc_dev, 769 "wrong UPGT_BRA_TYPE_FW len\n"); 770 return EIO; 771 } 772 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_option->data, 773 bra_option_len) == 0) { 774 sc->sc_fw_type = UPGT_FWTYPE_LM86; 775 break; 776 } 777 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_option->data, 778 bra_option_len) == 0) { 779 sc->sc_fw_type = UPGT_FWTYPE_LM87; 780 break; 781 } 782 if (memcmp(UPGT_BRA_FWTYPE_FMAC, bra_option->data, 783 bra_option_len) == 0) { 784 sc->sc_fw_type = UPGT_FWTYPE_FMAC; 785 break; 786 } 787 aprint_error_dev(sc->sc_dev, 788 "unsupported firmware type\n"); 789 return EIO; 790 case UPGT_BRA_TYPE_VERSION: 791 DPRINTF(1, "%s: UPGT_BRA_TYPE_VERSION len=%d\n", 792 device_xname(sc->sc_dev), bra_option_len); 793 break; 794 case UPGT_BRA_TYPE_DEPIF: 795 DPRINTF(1, "%s: UPGT_BRA_TYPE_DEPIF len=%d\n", 796 device_xname(sc->sc_dev), bra_option_len); 797 break; 798 case UPGT_BRA_TYPE_EXPIF: 799 DPRINTF(1, "%s: UPGT_BRA_TYPE_EXPIF len=%d\n", 800 device_xname(sc->sc_dev), bra_option_len); 801 break; 802 case UPGT_BRA_TYPE_DESCR: 803 DPRINTF(1, "%s: UPGT_BRA_TYPE_DESCR len=%d\n", 804 device_xname(sc->sc_dev), bra_option_len); 805 806 struct upgt_fw_bra_descr *descr = 807 (struct upgt_fw_bra_descr *)bra_option->data; 808 809 sc->sc_memaddr_frame_start = 810 le32toh(descr->memaddr_space_start); 811 sc->sc_memaddr_frame_end = 812 le32toh(descr->memaddr_space_end); 813 814 DPRINTF(2, "%s: memory address space start=0x%08x\n", 815 device_xname(sc->sc_dev), 816 sc->sc_memaddr_frame_start); 817 DPRINTF(2, "%s: memory address space end=0x%08x\n", 818 device_xname(sc->sc_dev), 819 sc->sc_memaddr_frame_end); 820 break; 821 case UPGT_BRA_TYPE_END: 822 DPRINTF(1, "%s: UPGT_BRA_TYPE_END len=%d\n", 823 device_xname(sc->sc_dev), bra_option_len); 824 bra_end = 1; 825 break; 826 default: 827 DPRINTF(1, "%s: unknown BRA option len=%d\n", 828 device_xname(sc->sc_dev), bra_option_len); 829 return EIO; 830 } 831 832 /* jump to next BRA option */ 833 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 834 } 835 836 DPRINTF(1, "%s: firmware verified\n", device_xname(sc->sc_dev)); 837 838 return 0; 839 } 840 841 static int 842 upgt_fw_load(struct upgt_softc *sc) 843 { 844 struct upgt_data *data_cmd = &sc->cmd_data; 845 struct upgt_data *data_rx = &sc->rx_data; 846 struct upgt_fw_x2_header *x2; 847 const uint8_t start_fwload_cmd[] = { 0x3c, 0x0d }; 848 int offset, bsize, n, i, len; 849 uint32_t crc; 850 851 /* send firmware start load command */ 852 len = sizeof(start_fwload_cmd); 853 memcpy(data_cmd->buf, start_fwload_cmd, len); 854 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 855 aprint_error_dev(sc->sc_dev, 856 "could not send start_firmware_load command\n"); 857 return EIO; 858 } 859 860 /* send X2 header */ 861 len = sizeof(struct upgt_fw_x2_header); 862 x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 863 memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 864 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 865 x2->len = htole32(sc->sc_fw_size); 866 x2->crc = upgt_crc32_le(data_cmd->buf + UPGT_X2_SIGNATURE_SIZE, 867 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 868 sizeof(uint32_t)); 869 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 870 aprint_error_dev(sc->sc_dev, 871 "could not send firmware X2 header\n"); 872 return EIO; 873 } 874 875 /* download firmware */ 876 for (offset = 0; offset < sc->sc_fw_size; offset += bsize) { 877 if (sc->sc_fw_size - offset > UPGT_FW_BLOCK_SIZE) 878 bsize = UPGT_FW_BLOCK_SIZE; 879 else 880 bsize = sc->sc_fw_size - offset; 881 882 n = upgt_fw_copy(sc->sc_fw + offset, data_cmd->buf, bsize); 883 884 DPRINTF(1, "%s: FW offset=%d, read=%d, sent=%d\n", 885 device_xname(sc->sc_dev), offset, n, bsize); 886 887 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &bsize, 0) 888 != 0) { 889 aprint_error_dev(sc->sc_dev, 890 "error while downloading firmware block\n"); 891 return EIO; 892 } 893 894 bsize = n; 895 } 896 DPRINTF(1, "%s: firmware downloaded\n", device_xname(sc->sc_dev)); 897 898 /* load firmware */ 899 crc = upgt_crc32_le(sc->sc_fw, sc->sc_fw_size); 900 *((uint32_t *)(data_cmd->buf) ) = crc; 901 *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 902 *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 903 len = 6; 904 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 905 aprint_error_dev(sc->sc_dev, 906 "could not send load_firmware command\n"); 907 return EIO; 908 } 909 910 for (i = 0; i < UPGT_FIRMWARE_TIMEOUT; i++) { 911 len = UPGT_FW_BLOCK_SIZE; 912 memset(data_rx->buf, 0, 2); 913 if (upgt_bulk_xmit(sc, data_rx, sc->sc_rx_pipeh, &len, 914 USBD_SHORT_XFER_OK) != 0) { 915 aprint_error_dev(sc->sc_dev, 916 "could not read firmware response\n"); 917 return EIO; 918 } 919 920 if (memcmp(data_rx->buf, "OK", 2) == 0) 921 break; /* firmware load was successful */ 922 } 923 if (i == UPGT_FIRMWARE_TIMEOUT) { 924 aprint_error_dev(sc->sc_dev, "firmware load failed\n"); 925 return EIO; 926 } 927 DPRINTF(1, "%s: firmware loaded\n", device_xname(sc->sc_dev)); 928 929 return 0; 930 } 931 932 /* 933 * While copying the version 2 firmware, we need to replace two characters: 934 * 935 * 0x7e -> 0x7d 0x5e 936 * 0x7d -> 0x7d 0x5d 937 */ 938 static int 939 upgt_fw_copy(char *src, char *dst, int size) 940 { 941 int i, j; 942 943 for (i = 0, j = 0; i < size && j < size; i++) { 944 switch (src[i]) { 945 case 0x7e: 946 dst[j] = 0x7d; 947 j++; 948 dst[j] = 0x5e; 949 j++; 950 break; 951 case 0x7d: 952 dst[j] = 0x7d; 953 j++; 954 dst[j] = 0x5d; 955 j++; 956 break; 957 default: 958 dst[j] = src[i]; 959 j++; 960 break; 961 } 962 } 963 964 return i; 965 } 966 967 static int 968 upgt_eeprom_read(struct upgt_softc *sc) 969 { 970 struct upgt_data *data_cmd = &sc->cmd_data; 971 struct upgt_lmac_mem *mem; 972 struct upgt_lmac_eeprom *eeprom; 973 int offset, block, len; 974 975 offset = 0; 976 block = UPGT_EEPROM_BLOCK_SIZE; 977 while (offset < UPGT_EEPROM_SIZE) { 978 DPRINTF(1, "%s: request EEPROM block (offset=%d, len=%d)\n", 979 device_xname(sc->sc_dev), offset, block); 980 981 /* 982 * Transmit the URB containing the CMD data. 983 */ 984 len = sizeof(*mem) + sizeof(*eeprom) + block; 985 986 memset(data_cmd->buf, 0, len); 987 988 mem = (struct upgt_lmac_mem *)data_cmd->buf; 989 mem->addr = htole32(sc->sc_memaddr_frame_start + 990 UPGT_MEMSIZE_FRAME_HEAD); 991 992 eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 993 eeprom->header1.flags = 0; 994 eeprom->header1.type = UPGT_H1_TYPE_CTRL; 995 eeprom->header1.len = htole16(( 996 sizeof(struct upgt_lmac_eeprom) - 997 sizeof(struct upgt_lmac_header)) + block); 998 999 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1000 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 1001 eeprom->header2.flags = 0; 1002 1003 eeprom->offset = htole16(offset); 1004 eeprom->len = htole16(block); 1005 1006 mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1007 len - sizeof(*mem)); 1008 1009 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 1010 USBD_FORCE_SHORT_XFER) != 0) { 1011 aprint_error_dev(sc->sc_dev, 1012 "could not transmit EEPROM data URB\n"); 1013 return EIO; 1014 } 1015 1016 mutex_enter(&sc->sc_mtx); 1017 int res = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, UPGT_USB_TIMEOUT); 1018 mutex_exit(&sc->sc_mtx); 1019 if (res) { 1020 aprint_error_dev(sc->sc_dev, 1021 "timeout while waiting for EEPROM data\n"); 1022 return EIO; 1023 } 1024 1025 offset += block; 1026 if (UPGT_EEPROM_SIZE - offset < block) 1027 block = UPGT_EEPROM_SIZE - offset; 1028 } 1029 1030 return 0; 1031 } 1032 1033 static int 1034 upgt_eeprom_parse(struct upgt_softc *sc) 1035 { 1036 struct ieee80211com *ic = &sc->sc_ic; 1037 struct upgt_eeprom_header *eeprom_header; 1038 struct upgt_eeprom_option *eeprom_option; 1039 uint16_t option_len; 1040 uint16_t option_type; 1041 uint16_t preamble_len; 1042 int option_end = 0; 1043 1044 /* calculate eeprom options start offset */ 1045 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1046 preamble_len = le16toh(eeprom_header->preamble_len); 1047 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1048 (sizeof(struct upgt_eeprom_header) + preamble_len)); 1049 1050 while (!option_end) { 1051 /* the eeprom option length is stored in words */ 1052 option_len = 1053 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1054 option_type = 1055 le16toh(eeprom_option->type); 1056 1057 switch (option_type) { 1058 case UPGT_EEPROM_TYPE_NAME: 1059 DPRINTF(1, "%s: EEPROM name len=%d\n", 1060 device_xname(sc->sc_dev), option_len); 1061 break; 1062 case UPGT_EEPROM_TYPE_SERIAL: 1063 DPRINTF(1, "%s: EEPROM serial len=%d\n", 1064 device_xname(sc->sc_dev), option_len); 1065 break; 1066 case UPGT_EEPROM_TYPE_MAC: 1067 DPRINTF(1, "%s: EEPROM mac len=%d\n", 1068 device_xname(sc->sc_dev), option_len); 1069 1070 IEEE80211_ADDR_COPY(ic->ic_myaddr, eeprom_option->data); 1071 break; 1072 case UPGT_EEPROM_TYPE_HWRX: 1073 DPRINTF(1, "%s: EEPROM hwrx len=%d\n", 1074 device_xname(sc->sc_dev), option_len); 1075 1076 upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1077 break; 1078 case UPGT_EEPROM_TYPE_CHIP: 1079 DPRINTF(1, "%s: EEPROM chip len=%d\n", 1080 device_xname(sc->sc_dev), option_len); 1081 break; 1082 case UPGT_EEPROM_TYPE_FREQ3: 1083 DPRINTF(1, "%s: EEPROM freq3 len=%d\n", 1084 device_xname(sc->sc_dev), option_len); 1085 1086 upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1087 option_len); 1088 break; 1089 case UPGT_EEPROM_TYPE_FREQ4: 1090 DPRINTF(1, "%s: EEPROM freq4 len=%d\n", 1091 device_xname(sc->sc_dev), option_len); 1092 1093 upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1094 option_len); 1095 break; 1096 case UPGT_EEPROM_TYPE_FREQ5: 1097 DPRINTF(1, "%s: EEPROM freq5 len=%d\n", 1098 device_xname(sc->sc_dev), option_len); 1099 break; 1100 case UPGT_EEPROM_TYPE_FREQ6: 1101 DPRINTF(1, "%s: EEPROM freq6 len=%d\n", 1102 device_xname(sc->sc_dev), option_len); 1103 1104 upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1105 option_len); 1106 break; 1107 case UPGT_EEPROM_TYPE_END: 1108 DPRINTF(1, "%s: EEPROM end len=%d\n", 1109 device_xname(sc->sc_dev), option_len); 1110 option_end = 1; 1111 break; 1112 case UPGT_EEPROM_TYPE_OFF: 1113 DPRINTF(1, "%s: EEPROM off without end option\n", 1114 device_xname(sc->sc_dev)); 1115 return EIO; 1116 default: 1117 DPRINTF(1, "%s: EEPROM unknown type 0x%04x len=%d\n", 1118 device_xname(sc->sc_dev), option_type, option_len); 1119 break; 1120 } 1121 1122 /* jump to next EEPROM option */ 1123 eeprom_option = (struct upgt_eeprom_option *) 1124 (eeprom_option->data + option_len); 1125 } 1126 1127 return 0; 1128 } 1129 1130 static void 1131 upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1132 { 1133 struct upgt_eeprom_option_hwrx *option_hwrx; 1134 1135 option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1136 1137 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1138 1139 DPRINTF(2, "%s: hwrx option value=0x%04x\n", 1140 device_xname(sc->sc_dev), sc->sc_eeprom_hwrx); 1141 } 1142 1143 static void 1144 upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1145 { 1146 struct upgt_eeprom_freq3_header *freq3_header; 1147 struct upgt_lmac_freq3 *freq3; 1148 int i, elements, flags; 1149 unsigned channel; 1150 1151 freq3_header = (struct upgt_eeprom_freq3_header *)data; 1152 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1153 1154 flags = freq3_header->flags; 1155 elements = freq3_header->elements; 1156 1157 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1158 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1159 __USE(flags); 1160 1161 for (i = 0; i < elements; i++) { 1162 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1163 1164 sc->sc_eeprom_freq3[channel] = freq3[i]; 1165 1166 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1167 device_xname(sc->sc_dev), 1168 le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1169 } 1170 } 1171 1172 static void 1173 upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1174 { 1175 struct upgt_eeprom_freq4_header *freq4_header; 1176 struct upgt_eeprom_freq4_1 *freq4_1; 1177 struct upgt_eeprom_freq4_2 *freq4_2; 1178 int i, j, elements, settings, flags; 1179 unsigned channel; 1180 1181 freq4_header = (struct upgt_eeprom_freq4_header *)data; 1182 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1183 1184 flags = freq4_header->flags; 1185 elements = freq4_header->elements; 1186 settings = freq4_header->settings; 1187 1188 /* we need this value later */ 1189 sc->sc_eeprom_freq6_settings = freq4_header->settings; 1190 1191 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1192 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1193 DPRINTF(2, "%s: settings=%d\n", device_xname(sc->sc_dev), settings); 1194 __USE(flags); 1195 1196 for (i = 0; i < elements; i++) { 1197 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1198 1199 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1200 1201 for (j = 0; j < settings; j++) { 1202 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1203 sc->sc_eeprom_freq4[channel][j].pad = 0; 1204 } 1205 1206 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1207 device_xname(sc->sc_dev), 1208 le16toh(freq4_1[i].freq), channel); 1209 } 1210 } 1211 1212 static void 1213 upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1214 { 1215 struct upgt_lmac_freq6 *freq6; 1216 int i, elements; 1217 unsigned channel; 1218 1219 freq6 = (struct upgt_lmac_freq6 *)data; 1220 1221 elements = len / sizeof(struct upgt_lmac_freq6); 1222 1223 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1224 1225 for (i = 0; i < elements; i++) { 1226 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1227 1228 sc->sc_eeprom_freq6[channel] = freq6[i]; 1229 1230 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1231 device_xname(sc->sc_dev), 1232 le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1233 } 1234 } 1235 1236 static int 1237 upgt_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1238 { 1239 struct upgt_softc *sc = ifp->if_softc; 1240 struct ieee80211com *ic = &sc->sc_ic; 1241 int s, error = 0; 1242 1243 s = splnet(); 1244 1245 switch (cmd) { 1246 case SIOCSIFFLAGS: 1247 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 1248 break; 1249 if (ifp->if_flags & IFF_UP) { 1250 if ((ifp->if_flags & IFF_RUNNING) == 0) 1251 upgt_init(ifp); 1252 } else { 1253 if (ifp->if_flags & IFF_RUNNING) 1254 upgt_stop(sc); 1255 } 1256 break; 1257 case SIOCADDMULTI: 1258 case SIOCDELMULTI: 1259 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 1260 /* setup multicast filter, etc */ 1261 error = 0; 1262 } 1263 break; 1264 default: 1265 error = ieee80211_ioctl(ic, cmd, data); 1266 break; 1267 } 1268 1269 if (error == ENETRESET) { 1270 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1271 (IFF_UP | IFF_RUNNING)) 1272 upgt_init(ifp); 1273 error = 0; 1274 } 1275 1276 splx(s); 1277 1278 return error; 1279 } 1280 1281 static int 1282 upgt_init(struct ifnet *ifp) 1283 { 1284 struct upgt_softc *sc = ifp->if_softc; 1285 struct ieee80211com *ic = &sc->sc_ic; 1286 1287 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1288 1289 if (ifp->if_flags & IFF_RUNNING) 1290 upgt_stop(sc); 1291 1292 ifp->if_flags |= IFF_RUNNING; 1293 ifp->if_flags &= ~IFF_OACTIVE; 1294 1295 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 1296 1297 /* setup device rates */ 1298 upgt_setup_rates(sc); 1299 1300 if (ic->ic_opmode == IEEE80211_M_MONITOR) 1301 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 1302 else 1303 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1304 1305 return 0; 1306 } 1307 1308 static void 1309 upgt_stop(struct upgt_softc *sc) 1310 { 1311 struct ieee80211com *ic = &sc->sc_ic; 1312 struct ifnet *ifp = &sc->sc_if; 1313 1314 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1315 1316 /* device down */ 1317 ifp->if_timer = 0; 1318 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1319 1320 /* change device back to initial state */ 1321 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1322 } 1323 1324 static int 1325 upgt_media_change(struct ifnet *ifp) 1326 { 1327 struct upgt_softc *sc = ifp->if_softc; 1328 int error; 1329 1330 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1331 1332 if ((error = ieee80211_media_change(ifp)) != ENETRESET) 1333 return error; 1334 1335 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1336 (IFF_UP | IFF_RUNNING)) { 1337 /* give pending USB transfers a chance to finish */ 1338 usbd_delay_ms(sc->sc_udev, 100); 1339 upgt_init(ifp); 1340 } 1341 1342 return 0; 1343 } 1344 1345 static void 1346 upgt_newassoc(struct ieee80211_node *ni, int isnew) 1347 { 1348 1349 ni->ni_txrate = 0; 1350 } 1351 1352 static int 1353 upgt_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1354 { 1355 struct upgt_softc *sc = ic->ic_ifp->if_softc; 1356 1357 /* 1358 * XXXSMP: This does not wait for the task, if it is in flight, 1359 * to complete. If this code works at all, it must rely on the 1360 * kernel lock to serialize with the USB task thread. 1361 */ 1362 usb_rem_task(sc->sc_udev, &sc->sc_task_newstate); 1363 callout_stop(&sc->scan_to); 1364 1365 /* do it in a process context */ 1366 sc->sc_state = nstate; 1367 sc->sc_arg = arg; 1368 usb_add_task(sc->sc_udev, &sc->sc_task_newstate, USB_TASKQ_DRIVER); 1369 1370 return 0; 1371 } 1372 1373 static void 1374 upgt_newstate_task(void *arg) 1375 { 1376 struct upgt_softc *sc = arg; 1377 struct ieee80211com *ic = &sc->sc_ic; 1378 struct ieee80211_node *ni; 1379 unsigned channel; 1380 1381 mutex_enter(&sc->sc_mtx); 1382 1383 switch (sc->sc_state) { 1384 case IEEE80211_S_INIT: 1385 DPRINTF(1, "%s: newstate is IEEE80211_S_INIT\n", 1386 device_xname(sc->sc_dev)); 1387 1388 /* do not accept any frames if the device is down */ 1389 upgt_set_macfilter(sc, IEEE80211_S_INIT); 1390 upgt_set_led(sc, UPGT_LED_OFF); 1391 break; 1392 case IEEE80211_S_SCAN: 1393 DPRINTF(1, "%s: newstate is IEEE80211_S_SCAN\n", 1394 device_xname(sc->sc_dev)); 1395 1396 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1397 upgt_set_channel(sc, channel); 1398 upgt_set_macfilter(sc, IEEE80211_S_SCAN); 1399 callout_schedule(&sc->scan_to, hz / 5); 1400 break; 1401 case IEEE80211_S_AUTH: 1402 DPRINTF(1, "%s: newstate is IEEE80211_S_AUTH\n", 1403 device_xname(sc->sc_dev)); 1404 1405 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1406 upgt_set_channel(sc, channel); 1407 break; 1408 case IEEE80211_S_ASSOC: 1409 DPRINTF(1, "%s: newstate is IEEE80211_S_ASSOC\n", 1410 device_xname(sc->sc_dev)); 1411 1412 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1413 upgt_set_channel(sc, channel); 1414 break; 1415 case IEEE80211_S_RUN: 1416 DPRINTF(1, "%s: newstate is IEEE80211_S_RUN\n", 1417 device_xname(sc->sc_dev)); 1418 1419 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1420 upgt_set_channel(sc, channel); 1421 1422 ni = ic->ic_bss; 1423 1424 /* 1425 * TX rate control is done by the firmware. 1426 * Report the maximum rate which is available therefore. 1427 */ 1428 ni->ni_txrate = ni->ni_rates.rs_nrates - 1; 1429 1430 if (ic->ic_opmode != IEEE80211_M_MONITOR) 1431 upgt_set_macfilter(sc, IEEE80211_S_RUN); 1432 upgt_set_led(sc, UPGT_LED_ON); 1433 break; 1434 } 1435 1436 mutex_exit(&sc->sc_mtx); 1437 1438 sc->sc_newstate(ic, sc->sc_state, sc->sc_arg); 1439 } 1440 1441 static void 1442 upgt_next_scan(void *arg) 1443 { 1444 struct upgt_softc *sc = arg; 1445 struct ieee80211com *ic = &sc->sc_ic; 1446 1447 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1448 1449 if (ic->ic_state == IEEE80211_S_SCAN) 1450 ieee80211_next_scan(ic); 1451 } 1452 1453 static void 1454 upgt_start(struct ifnet *ifp) 1455 { 1456 struct upgt_softc *sc = ifp->if_softc; 1457 struct ieee80211com *ic = &sc->sc_ic; 1458 struct ether_header *eh; 1459 struct ieee80211_node *ni; 1460 struct mbuf *m; 1461 int i; 1462 1463 /* don't transmit packets if interface is busy or down */ 1464 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 1465 return; 1466 1467 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1468 1469 for (i = 0; i < UPGT_TX_COUNT; i++) { 1470 struct upgt_data *data_tx = &sc->tx_data[i]; 1471 1472 if (data_tx->m != NULL) 1473 continue; 1474 1475 IF_POLL(&ic->ic_mgtq, m); 1476 if (m != NULL) { 1477 /* management frame */ 1478 IF_DEQUEUE(&ic->ic_mgtq, m); 1479 1480 ni = M_GETCTX(m, struct ieee80211_node *); 1481 M_CLEARCTX(m); 1482 1483 bpf_mtap3(ic->ic_rawbpf, m); 1484 1485 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1486 aprint_error_dev(sc->sc_dev, 1487 "no free prism memory\n"); 1488 m_freem(m); 1489 ifp->if_oerrors++; 1490 break; 1491 } 1492 data_tx->ni = ni; 1493 data_tx->m = m; 1494 sc->tx_queued++; 1495 } else { 1496 /* data frame */ 1497 if (ic->ic_state != IEEE80211_S_RUN) 1498 break; 1499 1500 IFQ_POLL(&ifp->if_snd, m); 1501 if (m == NULL) 1502 break; 1503 1504 IFQ_DEQUEUE(&ifp->if_snd, m); 1505 if (m->m_len < sizeof(struct ether_header) && 1506 !(m = m_pullup(m, sizeof(struct ether_header)))) 1507 continue; 1508 1509 eh = mtod(m, struct ether_header *); 1510 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1511 if (ni == NULL) { 1512 m_freem(m); 1513 continue; 1514 } 1515 1516 bpf_mtap(ifp, m); 1517 1518 m = ieee80211_encap(ic, m, ni); 1519 if (m == NULL) { 1520 ieee80211_free_node(ni); 1521 continue; 1522 } 1523 1524 bpf_mtap3(ic->ic_rawbpf, m); 1525 1526 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1527 aprint_error_dev(sc->sc_dev, 1528 "no free prism memory\n"); 1529 m_freem(m); 1530 ieee80211_free_node(ni); 1531 ifp->if_oerrors++; 1532 break; 1533 } 1534 data_tx->ni = ni; 1535 data_tx->m = m; 1536 sc->tx_queued++; 1537 } 1538 } 1539 1540 if (sc->tx_queued > 0) { 1541 DPRINTF(2, "%s: tx_queued=%d\n", 1542 device_xname(sc->sc_dev), sc->tx_queued); 1543 /* process the TX queue in process context */ 1544 ifp->if_timer = 5; 1545 ifp->if_flags |= IFF_OACTIVE; 1546 usb_rem_task(sc->sc_udev, &sc->sc_task_tx); 1547 usb_add_task(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); 1548 } 1549 } 1550 1551 static void 1552 upgt_watchdog(struct ifnet *ifp) 1553 { 1554 struct upgt_softc *sc = ifp->if_softc; 1555 struct ieee80211com *ic = &sc->sc_ic; 1556 1557 if (ic->ic_state == IEEE80211_S_INIT) 1558 return; 1559 1560 aprint_error_dev(sc->sc_dev, "watchdog timeout\n"); 1561 1562 /* TODO: what shall we do on TX timeout? */ 1563 1564 ieee80211_watchdog(ic); 1565 } 1566 1567 static void 1568 upgt_tx_task(void *arg) 1569 { 1570 struct upgt_softc *sc = arg; 1571 struct ieee80211com *ic = &sc->sc_ic; 1572 struct ieee80211_frame *wh; 1573 struct ieee80211_key *k; 1574 struct ifnet *ifp = &sc->sc_if; 1575 struct upgt_lmac_mem *mem; 1576 struct upgt_lmac_tx_desc *txdesc; 1577 struct mbuf *m; 1578 uint32_t addr; 1579 int i, len, pad, s; 1580 usbd_status error; 1581 1582 mutex_enter(&sc->sc_mtx); 1583 upgt_set_led(sc, UPGT_LED_BLINK); 1584 mutex_exit(&sc->sc_mtx); 1585 1586 s = splnet(); 1587 1588 for (i = 0; i < UPGT_TX_COUNT; i++) { 1589 struct upgt_data *data_tx = &sc->tx_data[i]; 1590 1591 if (data_tx->m == NULL) 1592 continue; 1593 1594 m = data_tx->m; 1595 addr = data_tx->addr + UPGT_MEMSIZE_FRAME_HEAD; 1596 1597 /* 1598 * Software crypto. 1599 */ 1600 wh = mtod(m, struct ieee80211_frame *); 1601 1602 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1603 k = ieee80211_crypto_encap(ic, data_tx->ni, m); 1604 if (k == NULL) { 1605 m_freem(m); 1606 data_tx->m = NULL; 1607 ieee80211_free_node(data_tx->ni); 1608 data_tx->ni = NULL; 1609 ifp->if_oerrors++; 1610 break; 1611 } 1612 1613 /* in case packet header moved, reset pointer */ 1614 wh = mtod(m, struct ieee80211_frame *); 1615 } 1616 1617 /* 1618 * Transmit the URB containing the TX data. 1619 */ 1620 memset(data_tx->buf, 0, sizeof(*mem) + sizeof(*txdesc)); 1621 1622 mem = (struct upgt_lmac_mem *)data_tx->buf; 1623 mem->addr = htole32(addr); 1624 1625 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 1626 1627 /* XXX differ between data and mgmt frames? */ 1628 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 1629 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 1630 txdesc->header1.len = htole16(m->m_pkthdr.len); 1631 1632 txdesc->header2.reqid = htole32(data_tx->addr); 1633 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 1634 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 1635 1636 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 1637 IEEE80211_FC0_TYPE_MGT) { 1638 /* always send mgmt frames at lowest rate (DS1) */ 1639 memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 1640 } else { 1641 memcpy(txdesc->rates, sc->sc_cur_rateset, 1642 sizeof(txdesc->rates)); 1643 } 1644 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 1645 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 1646 1647 if (sc->sc_drvbpf != NULL) { 1648 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 1649 1650 tap->wt_flags = 0; 1651 tap->wt_rate = 0; /* TODO: where to get from? */ 1652 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1653 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1654 1655 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m); 1656 } 1657 1658 /* copy frame below our TX descriptor header */ 1659 m_copydata(m, 0, m->m_pkthdr.len, 1660 data_tx->buf + sizeof(*mem) + sizeof(*txdesc)); 1661 1662 /* calculate frame size */ 1663 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 1664 1665 if (len & 3) { 1666 /* we need to align the frame to a 4 byte boundary */ 1667 pad = 4 - (len & 3); 1668 memset(data_tx->buf + len, 0, pad); 1669 len += pad; 1670 } 1671 1672 /* calculate frame checksum */ 1673 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, 1674 len - sizeof(*mem)); 1675 1676 /* we do not need the mbuf anymore */ 1677 m_freem(m); 1678 data_tx->m = NULL; 1679 1680 ieee80211_free_node(data_tx->ni); 1681 data_tx->ni = NULL; 1682 1683 DPRINTF(2, "%s: TX start data sending\n", 1684 device_xname(sc->sc_dev)); 1685 1686 usbd_setup_xfer(data_tx->xfer, data_tx, data_tx->buf, len, 1687 USBD_FORCE_SHORT_XFER, UPGT_USB_TIMEOUT, NULL); 1688 error = usbd_transfer(data_tx->xfer); 1689 if (error != USBD_NORMAL_COMPLETION && 1690 error != USBD_IN_PROGRESS) { 1691 aprint_error_dev(sc->sc_dev, 1692 "could not transmit TX data URB\n"); 1693 ifp->if_oerrors++; 1694 break; 1695 } 1696 1697 DPRINTF(2, "%s: TX sent (%d bytes)\n", 1698 device_xname(sc->sc_dev), len); 1699 } 1700 1701 splx(s); 1702 1703 /* 1704 * If we don't regulary read the device statistics, the RX queue 1705 * will stall. It's strange, but it works, so we keep reading 1706 * the statistics here. *shrug* 1707 */ 1708 mutex_enter(&sc->sc_mtx); 1709 upgt_get_stats(sc); 1710 mutex_exit(&sc->sc_mtx); 1711 } 1712 1713 static void 1714 upgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1715 { 1716 struct ifnet *ifp = &sc->sc_if; 1717 struct upgt_lmac_tx_done_desc *desc; 1718 int i, s; 1719 1720 s = splnet(); 1721 1722 desc = (struct upgt_lmac_tx_done_desc *)data; 1723 1724 for (i = 0; i < UPGT_TX_COUNT; i++) { 1725 struct upgt_data *data_tx = &sc->tx_data[i]; 1726 1727 if (data_tx->addr == le32toh(desc->header2.reqid)) { 1728 upgt_mem_free(sc, data_tx->addr); 1729 data_tx->addr = 0; 1730 1731 sc->tx_queued--; 1732 ifp->if_opackets++; 1733 1734 DPRINTF(2, "%s: TX done: ", device_xname(sc->sc_dev)); 1735 DPRINTF(2, "memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1736 le32toh(desc->header2.reqid), 1737 le16toh(desc->status), 1738 le16toh(desc->rssi)); 1739 DPRINTF(2, "seq=%d\n", le16toh(desc->seq)); 1740 break; 1741 } 1742 } 1743 1744 if (sc->tx_queued == 0) { 1745 /* TX queued was processed, continue */ 1746 ifp->if_timer = 0; 1747 ifp->if_flags &= ~IFF_OACTIVE; 1748 upgt_start(ifp); 1749 } 1750 1751 splx(s); 1752 } 1753 1754 static void 1755 upgt_rx_cb(struct usbd_xfer *xfer, void * priv, usbd_status status) 1756 { 1757 struct upgt_data *data_rx = priv; 1758 struct upgt_softc *sc = data_rx->sc; 1759 int len; 1760 struct upgt_lmac_header *header; 1761 struct upgt_lmac_eeprom *eeprom; 1762 uint8_t h1_type; 1763 uint16_t h2_type; 1764 1765 DPRINTF(3, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1766 1767 if (status != USBD_NORMAL_COMPLETION) { 1768 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1769 return; 1770 if (status == USBD_STALLED) 1771 usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh); 1772 goto skip; 1773 } 1774 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1775 1776 /* 1777 * Check what type of frame came in. 1778 */ 1779 header = (struct upgt_lmac_header *)(data_rx->buf + 4); 1780 1781 h1_type = header->header1.type; 1782 h2_type = le16toh(header->header2.type); 1783 1784 if (h1_type == UPGT_H1_TYPE_CTRL && 1785 h2_type == UPGT_H2_TYPE_EEPROM) { 1786 eeprom = (struct upgt_lmac_eeprom *)(data_rx->buf + 4); 1787 uint16_t eeprom_offset = le16toh(eeprom->offset); 1788 uint16_t eeprom_len = le16toh(eeprom->len); 1789 1790 DPRINTF(2, "%s: received EEPROM block (offset=%d, len=%d)\n", 1791 device_xname(sc->sc_dev), eeprom_offset, eeprom_len); 1792 1793 mutex_enter(&sc->sc_mtx); 1794 memcpy(sc->sc_eeprom + eeprom_offset, 1795 data_rx->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1796 eeprom_len); 1797 1798 /* EEPROM data has arrived in time, wakeup upgt_eeprom_read */ 1799 /* Note eeprom data arrived */ 1800 cv_broadcast(&sc->sc_cv); 1801 mutex_exit(&sc->sc_mtx); 1802 } else 1803 if (h1_type == UPGT_H1_TYPE_CTRL && 1804 h2_type == UPGT_H2_TYPE_TX_DONE) { 1805 DPRINTF(2, "%s: received 802.11 TX done\n", 1806 device_xname(sc->sc_dev)); 1807 1808 upgt_tx_done(sc, data_rx->buf + 4); 1809 } else 1810 if (h1_type == UPGT_H1_TYPE_RX_DATA || 1811 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1812 DPRINTF(3, "%s: received 802.11 RX data\n", 1813 device_xname(sc->sc_dev)); 1814 1815 upgt_rx(sc, data_rx->buf + 4, le16toh(header->header1.len)); 1816 } else 1817 if (h1_type == UPGT_H1_TYPE_CTRL && 1818 h2_type == UPGT_H2_TYPE_STATS) { 1819 DPRINTF(2, "%s: received statistic data\n", 1820 device_xname(sc->sc_dev)); 1821 1822 /* TODO: what could we do with the statistic data? */ 1823 } else { 1824 /* ignore unknown frame types */ 1825 DPRINTF(1, "%s: received unknown frame type 0x%02x\n", 1826 device_xname(sc->sc_dev), header->header1.type); 1827 } 1828 1829 skip: /* setup new transfer */ 1830 usbd_setup_xfer(xfer, data_rx, data_rx->buf, MCLBYTES, 1831 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 1832 (void)usbd_transfer(xfer); 1833 } 1834 1835 static void 1836 upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen) 1837 { 1838 struct ieee80211com *ic = &sc->sc_ic; 1839 struct ifnet *ifp = &sc->sc_if; 1840 struct upgt_lmac_rx_desc *rxdesc; 1841 struct ieee80211_frame *wh; 1842 struct ieee80211_node *ni; 1843 struct mbuf *m; 1844 int s; 1845 1846 /* access RX packet descriptor */ 1847 rxdesc = (struct upgt_lmac_rx_desc *)data; 1848 1849 /* create mbuf which is suitable for strict alignment archs */ 1850 #define ETHER_ALIGN 0 1851 m = m_devget(rxdesc->data, pkglen, ETHER_ALIGN, ifp, NULL); 1852 if (m == NULL) { 1853 DPRINTF(1, "%s: could not create RX mbuf\n", 1854 device_xname(sc->sc_dev)); 1855 ifp->if_ierrors++; 1856 return; 1857 } 1858 1859 s = splnet(); 1860 1861 if (sc->sc_drvbpf != NULL) { 1862 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1863 1864 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1865 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1866 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1867 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1868 tap->wr_antsignal = rxdesc->rssi; 1869 1870 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1871 } 1872 1873 /* trim FCS */ 1874 m_adj(m, -IEEE80211_CRC_LEN); 1875 1876 wh = mtod(m, struct ieee80211_frame *); 1877 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1878 1879 /* push the frame up to the 802.11 stack */ 1880 ieee80211_input(ic, m, ni, rxdesc->rssi, 0); 1881 1882 /* node is no longer needed */ 1883 ieee80211_free_node(ni); 1884 1885 splx(s); 1886 1887 DPRINTF(3, "%s: RX done\n", device_xname(sc->sc_dev)); 1888 } 1889 1890 static void 1891 upgt_setup_rates(struct upgt_softc *sc) 1892 { 1893 struct ieee80211com *ic = &sc->sc_ic; 1894 1895 /* 1896 * 0x01 = OFMD6 0x10 = DS1 1897 * 0x04 = OFDM9 0x11 = DS2 1898 * 0x06 = OFDM12 0x12 = DS5 1899 * 0x07 = OFDM18 0x13 = DS11 1900 * 0x08 = OFDM24 1901 * 0x09 = OFDM36 1902 * 0x0a = OFDM48 1903 * 0x0b = OFDM54 1904 */ 1905 const uint8_t rateset_auto_11b[] = 1906 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 1907 const uint8_t rateset_auto_11g[] = 1908 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 1909 const uint8_t rateset_fix_11bg[] = 1910 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 1911 0x08, 0x09, 0x0a, 0x0b }; 1912 1913 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) { 1914 /* 1915 * Automatic rate control is done by the device. 1916 * We just pass the rateset from which the device 1917 * will pickup a rate. 1918 */ 1919 if (ic->ic_curmode == IEEE80211_MODE_11B) 1920 memcpy(sc->sc_cur_rateset, rateset_auto_11b, 1921 sizeof(sc->sc_cur_rateset)); 1922 if (ic->ic_curmode == IEEE80211_MODE_11G || 1923 ic->ic_curmode == IEEE80211_MODE_AUTO) 1924 memcpy(sc->sc_cur_rateset, rateset_auto_11g, 1925 sizeof(sc->sc_cur_rateset)); 1926 } else { 1927 /* set a fixed rate */ 1928 memset(sc->sc_cur_rateset, rateset_fix_11bg[ic->ic_fixed_rate], 1929 sizeof(sc->sc_cur_rateset)); 1930 } 1931 } 1932 1933 static uint8_t 1934 upgt_rx_rate(struct upgt_softc *sc, const int rate) 1935 { 1936 struct ieee80211com *ic = &sc->sc_ic; 1937 1938 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1939 if (rate < 0 || rate > 3) 1940 /* invalid rate */ 1941 return 0; 1942 1943 switch (rate) { 1944 case 0: 1945 return 2; 1946 case 1: 1947 return 4; 1948 case 2: 1949 return 11; 1950 case 3: 1951 return 22; 1952 default: 1953 return 0; 1954 } 1955 } 1956 1957 if (ic->ic_curmode == IEEE80211_MODE_11G) { 1958 if (rate < 0 || rate > 11) 1959 /* invalid rate */ 1960 return 0; 1961 1962 switch (rate) { 1963 case 0: 1964 return 2; 1965 case 1: 1966 return 4; 1967 case 2: 1968 return 11; 1969 case 3: 1970 return 22; 1971 case 4: 1972 return 12; 1973 case 5: 1974 return 18; 1975 case 6: 1976 return 24; 1977 case 7: 1978 return 36; 1979 case 8: 1980 return 48; 1981 case 9: 1982 return 72; 1983 case 10: 1984 return 96; 1985 case 11: 1986 return 108; 1987 default: 1988 return 0; 1989 } 1990 } 1991 1992 return 0; 1993 } 1994 1995 static int 1996 upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 1997 { 1998 struct ieee80211com *ic = &sc->sc_ic; 1999 struct ieee80211_node *ni = ic->ic_bss; 2000 struct upgt_data *data_cmd = &sc->cmd_data; 2001 struct upgt_lmac_mem *mem; 2002 struct upgt_lmac_filter *filter; 2003 int len; 2004 const uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 2005 2006 /* 2007 * Transmit the URB containing the CMD data. 2008 */ 2009 len = sizeof(*mem) + sizeof(*filter); 2010 2011 memset(data_cmd->buf, 0, len); 2012 2013 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2014 mem->addr = htole32(sc->sc_memaddr_frame_start + 2015 UPGT_MEMSIZE_FRAME_HEAD); 2016 2017 filter = (struct upgt_lmac_filter *)(mem + 1); 2018 2019 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2020 filter->header1.type = UPGT_H1_TYPE_CTRL; 2021 filter->header1.len = htole16( 2022 sizeof(struct upgt_lmac_filter) - 2023 sizeof(struct upgt_lmac_header)); 2024 2025 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2026 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 2027 filter->header2.flags = 0; 2028 2029 switch (state) { 2030 case IEEE80211_S_INIT: 2031 DPRINTF(1, "%s: set MAC filter to INIT\n", 2032 device_xname(sc->sc_dev)); 2033 2034 filter->type = htole16(UPGT_FILTER_TYPE_RESET); 2035 break; 2036 case IEEE80211_S_SCAN: 2037 DPRINTF(1, "%s: set MAC filter to SCAN (bssid %s)\n", 2038 device_xname(sc->sc_dev), ether_sprintf(broadcast)); 2039 2040 filter->type = htole16(UPGT_FILTER_TYPE_NONE); 2041 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2042 IEEE80211_ADDR_COPY(filter->src, broadcast); 2043 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2044 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2045 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2046 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2047 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2048 break; 2049 case IEEE80211_S_RUN: 2050 DPRINTF(1, "%s: set MAC filter to RUN (bssid %s)\n", 2051 device_xname(sc->sc_dev), ether_sprintf(ni->ni_bssid)); 2052 2053 filter->type = htole16(UPGT_FILTER_TYPE_STA); 2054 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2055 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 2056 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2057 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2058 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2059 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2060 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2061 break; 2062 default: 2063 aprint_error_dev(sc->sc_dev, 2064 "MAC filter does not know that state\n"); 2065 break; 2066 } 2067 2068 mem->chksum = upgt_chksum_le((uint32_t *)filter, sizeof(*filter)); 2069 2070 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2071 aprint_error_dev(sc->sc_dev, 2072 "could not transmit macfilter CMD data URB\n"); 2073 return EIO; 2074 } 2075 2076 return 0; 2077 } 2078 2079 static int 2080 upgt_set_channel(struct upgt_softc *sc, unsigned channel) 2081 { 2082 struct upgt_data *data_cmd = &sc->cmd_data; 2083 struct upgt_lmac_mem *mem; 2084 struct upgt_lmac_channel *chan; 2085 int len; 2086 2087 DPRINTF(1, "%s: %s: %d\n", device_xname(sc->sc_dev), __func__, 2088 channel); 2089 2090 /* 2091 * Transmit the URB containing the CMD data. 2092 */ 2093 len = sizeof(*mem) + sizeof(*chan); 2094 2095 memset(data_cmd->buf, 0, len); 2096 2097 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2098 mem->addr = htole32(sc->sc_memaddr_frame_start + 2099 UPGT_MEMSIZE_FRAME_HEAD); 2100 2101 chan = (struct upgt_lmac_channel *)(mem + 1); 2102 2103 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2104 chan->header1.type = UPGT_H1_TYPE_CTRL; 2105 chan->header1.len = htole16( 2106 sizeof(struct upgt_lmac_channel) - 2107 sizeof(struct upgt_lmac_header)); 2108 2109 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2110 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 2111 chan->header2.flags = 0; 2112 2113 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 2114 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 2115 chan->freq6 = sc->sc_eeprom_freq6[channel]; 2116 chan->settings = sc->sc_eeprom_freq6_settings; 2117 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 2118 2119 memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 2120 sizeof(chan->freq3_1)); 2121 2122 memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 2123 sizeof(sc->sc_eeprom_freq4[channel])); 2124 2125 memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 2126 sizeof(chan->freq3_2)); 2127 2128 mem->chksum = upgt_chksum_le((uint32_t *)chan, sizeof(*chan)); 2129 2130 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2131 aprint_error_dev(sc->sc_dev, 2132 "could not transmit channel CMD data URB\n"); 2133 return EIO; 2134 } 2135 2136 return 0; 2137 } 2138 2139 static void 2140 upgt_set_led(struct upgt_softc *sc, int action) 2141 { 2142 struct ieee80211com *ic = &sc->sc_ic; 2143 struct upgt_data *data_cmd = &sc->cmd_data; 2144 struct upgt_lmac_mem *mem; 2145 struct upgt_lmac_led *led; 2146 struct timeval t; 2147 int len; 2148 2149 /* 2150 * Transmit the URB containing the CMD data. 2151 */ 2152 len = sizeof(*mem) + sizeof(*led); 2153 2154 memset(data_cmd->buf, 0, len); 2155 2156 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2157 mem->addr = htole32(sc->sc_memaddr_frame_start + 2158 UPGT_MEMSIZE_FRAME_HEAD); 2159 2160 led = (struct upgt_lmac_led *)(mem + 1); 2161 2162 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2163 led->header1.type = UPGT_H1_TYPE_CTRL; 2164 led->header1.len = htole16( 2165 sizeof(struct upgt_lmac_led) - 2166 sizeof(struct upgt_lmac_header)); 2167 2168 led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2169 led->header2.type = htole16(UPGT_H2_TYPE_LED); 2170 led->header2.flags = 0; 2171 2172 switch (action) { 2173 case UPGT_LED_OFF: 2174 led->mode = htole16(UPGT_LED_MODE_SET); 2175 led->action_fix = 0; 2176 led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 2177 led->action_tmp_dur = 0; 2178 break; 2179 case UPGT_LED_ON: 2180 led->mode = htole16(UPGT_LED_MODE_SET); 2181 led->action_fix = 0; 2182 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2183 led->action_tmp_dur = 0; 2184 break; 2185 case UPGT_LED_BLINK: 2186 if (ic->ic_state != IEEE80211_S_RUN) 2187 return; 2188 if (sc->sc_led_blink) 2189 /* previous blink was not finished */ 2190 return; 2191 led->mode = htole16(UPGT_LED_MODE_SET); 2192 led->action_fix = htole16(UPGT_LED_ACTION_OFF); 2193 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2194 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 2195 /* lock blink */ 2196 sc->sc_led_blink = 1; 2197 t.tv_sec = 0; 2198 t.tv_usec = UPGT_LED_ACTION_TMP_DUR * 1000L; 2199 callout_schedule(&sc->led_to, tvtohz(&t)); 2200 break; 2201 default: 2202 return; 2203 } 2204 2205 mem->chksum = upgt_chksum_le((uint32_t *)led, sizeof(*led)); 2206 2207 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2208 aprint_error_dev(sc->sc_dev, 2209 "could not transmit led CMD URB\n"); 2210 } 2211 } 2212 2213 static void 2214 upgt_set_led_blink(void *arg) 2215 { 2216 struct upgt_softc *sc = arg; 2217 2218 /* blink finished, we are ready for a next one */ 2219 sc->sc_led_blink = 0; 2220 callout_stop(&sc->led_to); 2221 } 2222 2223 static int 2224 upgt_get_stats(struct upgt_softc *sc) 2225 { 2226 struct upgt_data *data_cmd = &sc->cmd_data; 2227 struct upgt_lmac_mem *mem; 2228 struct upgt_lmac_stats *stats; 2229 int len; 2230 2231 /* 2232 * Transmit the URB containing the CMD data. 2233 */ 2234 len = sizeof(*mem) + sizeof(*stats); 2235 2236 memset(data_cmd->buf, 0, len); 2237 2238 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2239 mem->addr = htole32(sc->sc_memaddr_frame_start + 2240 UPGT_MEMSIZE_FRAME_HEAD); 2241 2242 stats = (struct upgt_lmac_stats *)(mem + 1); 2243 2244 stats->header1.flags = 0; 2245 stats->header1.type = UPGT_H1_TYPE_CTRL; 2246 stats->header1.len = htole16( 2247 sizeof(struct upgt_lmac_stats) - 2248 sizeof(struct upgt_lmac_header)); 2249 2250 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2251 stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 2252 stats->header2.flags = 0; 2253 2254 mem->chksum = upgt_chksum_le((uint32_t *)stats, sizeof(*stats)); 2255 2256 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2257 aprint_error_dev(sc->sc_dev, 2258 "could not transmit statistics CMD data URB\n"); 2259 return EIO; 2260 } 2261 2262 return 0; 2263 2264 } 2265 2266 static int 2267 upgt_alloc_tx(struct upgt_softc *sc) 2268 { 2269 int i; 2270 2271 sc->tx_queued = 0; 2272 2273 for (i = 0; i < UPGT_TX_COUNT; i++) { 2274 struct upgt_data *data_tx = &sc->tx_data[i]; 2275 2276 data_tx->sc = sc; 2277 2278 int err = usbd_create_xfer(sc->sc_tx_pipeh, MCLBYTES, 2279 USBD_FORCE_SHORT_XFER, 0, &data_tx->xfer); 2280 if (err) { 2281 aprint_error_dev(sc->sc_dev, 2282 "could not allocate TX xfer\n"); 2283 return err; 2284 } 2285 2286 data_tx->buf = usbd_get_buffer(data_tx->xfer); 2287 } 2288 2289 return 0; 2290 } 2291 2292 static int 2293 upgt_alloc_rx(struct upgt_softc *sc) 2294 { 2295 struct upgt_data *data_rx = &sc->rx_data; 2296 2297 data_rx->sc = sc; 2298 2299 int err = usbd_create_xfer(sc->sc_rx_pipeh, MCLBYTES, 2300 0, 0, &data_rx->xfer); 2301 if (err) { 2302 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2303 return err; 2304 } 2305 2306 data_rx->buf = usbd_get_buffer(data_rx->xfer); 2307 2308 return 0; 2309 } 2310 2311 static int 2312 upgt_alloc_cmd(struct upgt_softc *sc) 2313 { 2314 struct upgt_data *data_cmd = &sc->cmd_data; 2315 2316 data_cmd->sc = sc; 2317 2318 int err = usbd_create_xfer(sc->sc_tx_pipeh, MCLBYTES, 2319 USBD_FORCE_SHORT_XFER, 0, &data_cmd->xfer); 2320 if (err) { 2321 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2322 return err; 2323 } 2324 2325 data_cmd->buf = usbd_get_buffer(data_cmd->xfer); 2326 2327 cv_init(&sc->sc_cv, "upgteeprom"); 2328 mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE); 2329 2330 return 0; 2331 } 2332 2333 static void 2334 upgt_free_tx(struct upgt_softc *sc) 2335 { 2336 int i; 2337 2338 for (i = 0; i < UPGT_TX_COUNT; i++) { 2339 struct upgt_data *data_tx = &sc->tx_data[i]; 2340 2341 if (data_tx->xfer != NULL) { 2342 usbd_destroy_xfer(data_tx->xfer); 2343 data_tx->xfer = NULL; 2344 } 2345 2346 data_tx->ni = NULL; 2347 } 2348 } 2349 2350 static void 2351 upgt_free_rx(struct upgt_softc *sc) 2352 { 2353 struct upgt_data *data_rx = &sc->rx_data; 2354 2355 if (data_rx->xfer != NULL) { 2356 usbd_destroy_xfer(data_rx->xfer); 2357 data_rx->xfer = NULL; 2358 } 2359 2360 data_rx->ni = NULL; 2361 } 2362 2363 static void 2364 upgt_free_cmd(struct upgt_softc *sc) 2365 { 2366 struct upgt_data *data_cmd = &sc->cmd_data; 2367 2368 if (data_cmd->xfer != NULL) { 2369 usbd_destroy_xfer(data_cmd->xfer); 2370 data_cmd->xfer = NULL; 2371 } 2372 2373 mutex_destroy(&sc->sc_mtx); 2374 cv_destroy(&sc->sc_cv); 2375 } 2376 2377 static int 2378 upgt_bulk_xmit(struct upgt_softc *sc, struct upgt_data *data, 2379 struct usbd_pipe *pipeh, uint32_t *size, int flags) 2380 { 2381 usbd_status status; 2382 2383 status = usbd_bulk_transfer(data->xfer, pipeh, flags, UPGT_USB_TIMEOUT, 2384 data->buf, size); 2385 if (status != USBD_NORMAL_COMPLETION) { 2386 aprint_error_dev(sc->sc_dev, "%s: error %s\n", __func__, 2387 usbd_errstr(status)); 2388 return EIO; 2389 } 2390 2391 return 0; 2392 } 2393 2394 #if 0 2395 static void 2396 upgt_hexdump(void *buf, int len) 2397 { 2398 int i; 2399 2400 for (i = 0; i < len; i++) { 2401 if (i % 16 == 0) 2402 printf("%s%5i:", i ? "\n" : "", i); 2403 if (i % 4 == 0) 2404 printf(" "); 2405 printf("%02x", (int)*((uint8_t *)buf + i)); 2406 } 2407 printf("\n"); 2408 } 2409 #endif 2410 2411 static uint32_t 2412 upgt_crc32_le(const void *buf, size_t size) 2413 { 2414 uint32_t crc; 2415 2416 crc = ether_crc32_le(buf, size); 2417 2418 /* apply final XOR value as common for CRC-32 */ 2419 crc = htole32(crc ^ 0xffffffffU); 2420 2421 return crc; 2422 } 2423 2424 /* 2425 * The firmware awaits a checksum for each frame we send to it. 2426 * The algorithm used therefor is uncommon but somehow similar to CRC32. 2427 */ 2428 static uint32_t 2429 upgt_chksum_le(const uint32_t *buf, size_t size) 2430 { 2431 int i; 2432 uint32_t crc = 0; 2433 2434 for (i = 0; i < size; i += sizeof(uint32_t)) { 2435 crc = htole32(crc ^ *buf++); 2436 crc = htole32((crc >> 5) ^ (crc << 3)); 2437 } 2438 2439 return crc; 2440 } 2441
Indexes created Thu Oct 02 14:10:14 GMT 2025