if_upgt.c revision 1.2
1 /* $NetBSD: if_upgt.c,v 1.2 2010/07/05 14:27:26 tsutsui 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 1.2 2010/07/05 14:27:26 tsutsui Exp $"); 22 23 #include <sys/param.h> 24 #include <sys/callout.h> 25 #include <sys/device.h> 26 #include <sys/errno.h> 27 #include <sys/kernel.h> 28 #include <sys/kthread.h> 29 #include <sys/mbuf.h> 30 #include <sys/proc.h> 31 #include <sys/sockio.h> 32 #include <sys/systm.h> 33 #include <sys/vnode.h> 34 35 #include <sys/bus.h> 36 #include <sys/endian.h> 37 #include <sys/intr.h> 38 39 #include <net/bpf.h> 40 #include <net/if.h> 41 #include <net/if_arp.h> 42 #include <net/if_dl.h> 43 #include <net/if_ether.h> 44 #include <net/if_media.h> 45 #include <net/if_types.h> 46 47 #include <net80211/ieee80211_var.h> 48 #include <net80211/ieee80211_radiotap.h> 49 50 #include <dev/firmload.h> 51 52 #include <dev/usb/usb.h> 53 #include <dev/usb/usbdi.h> 54 #include <dev/usb/usbdi_util.h> 55 #include <dev/usb/usbdevs.h> 56 57 #include <dev/usb/if_upgtvar.h> 58 59 /* 60 * Driver for the USB PrismGT devices. 61 * 62 * For now just USB 2.0 devices with the GW3887 chipset are supported. 63 * The driver has been written based on the firmware version 2.13.1.0_LM87. 64 * 65 * TODO's: 66 * - Fix MONITOR mode (MAC filter). 67 * - Add HOSTAP mode. 68 * - Add IBSS mode. 69 * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 70 * 71 * Parts of this driver has been influenced by reading the p54u driver 72 * written by Jean-Baptiste Note <jean-baptiste.note (at) m4x.org> and 73 * Sebastien Bourdeauducq <lekernel (at) prism54.org>. 74 */ 75 76 #ifdef UPGT_DEBUG 77 int upgt_debug = 2; 78 #define DPRINTF(l, x...) do { if ((l) <= upgt_debug) printf(x); } while (0) 79 #else 80 #define DPRINTF(l, x...) 81 #endif 82 83 /* 84 * Prototypes. 85 */ 86 static int upgt_match(device_t, cfdata_t, void *); 87 static void upgt_attach(device_t, device_t, void *); 88 static int upgt_detach(device_t, int); 89 static int upgt_activate(device_t, devact_t); 90 91 static void upgt_attach_hook(device_t); 92 static int upgt_device_type(struct upgt_softc *, uint16_t, uint16_t); 93 static int upgt_device_init(struct upgt_softc *); 94 static int upgt_mem_init(struct upgt_softc *); 95 static uint32_t upgt_mem_alloc(struct upgt_softc *); 96 static void upgt_mem_free(struct upgt_softc *, uint32_t); 97 static int upgt_fw_alloc(struct upgt_softc *); 98 static void upgt_fw_free(struct upgt_softc *); 99 static int upgt_fw_verify(struct upgt_softc *); 100 static int upgt_fw_load(struct upgt_softc *); 101 static int upgt_fw_copy(char *, char *, int); 102 static int upgt_eeprom_read(struct upgt_softc *); 103 static int upgt_eeprom_parse(struct upgt_softc *); 104 static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 105 static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 106 static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 107 static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 108 109 static int upgt_ioctl(struct ifnet *, u_long, void *); 110 static int upgt_init(struct ifnet *); 111 static void upgt_stop(struct upgt_softc *); 112 static int upgt_media_change(struct ifnet *); 113 static void upgt_newassoc(struct ieee80211_node *, int); 114 static int upgt_newstate(struct ieee80211com *, enum ieee80211_state, 115 int); 116 static void upgt_newstate_task(void *); 117 static void upgt_next_scan(void *); 118 static void upgt_start(struct ifnet *); 119 static void upgt_watchdog(struct ifnet *); 120 static void upgt_tx_task(void *); 121 static void upgt_tx_done(struct upgt_softc *, uint8_t *); 122 static void upgt_rx_cb(usbd_xfer_handle, usbd_private_handle, usbd_status); 123 static void upgt_rx(struct upgt_softc *, uint8_t *, int); 124 static void upgt_setup_rates(struct upgt_softc *); 125 static uint8_t upgt_rx_rate(struct upgt_softc *, const int); 126 static int upgt_set_macfilter(struct upgt_softc *, uint8_t state); 127 static int upgt_set_channel(struct upgt_softc *, unsigned); 128 static void upgt_set_led(struct upgt_softc *, int); 129 static void upgt_set_led_blink(void *); 130 static int upgt_get_stats(struct upgt_softc *); 131 132 static int upgt_alloc_tx(struct upgt_softc *); 133 static int upgt_alloc_rx(struct upgt_softc *); 134 static int upgt_alloc_cmd(struct upgt_softc *); 135 static void upgt_free_tx(struct upgt_softc *); 136 static void upgt_free_rx(struct upgt_softc *); 137 static void upgt_free_cmd(struct upgt_softc *); 138 static int upgt_bulk_xmit(struct upgt_softc *, struct upgt_data *, 139 usbd_pipe_handle, uint32_t *, int); 140 141 #if 0 142 static void upgt_hexdump(void *, int); 143 #endif 144 static uint32_t upgt_crc32_le(const void *, size_t); 145 static uint32_t upgt_chksum_le(const uint32_t *, size_t); 146 147 CFATTACH_DECL_NEW(upgt, sizeof(struct upgt_softc), 148 upgt_match, upgt_attach, upgt_detach, upgt_activate); 149 150 static const struct usb_devno upgt_devs_1[] = { 151 /* version 1 devices */ 152 { USB_VENDOR_ALCATELT, USB_PRODUCT_ALCATELT_ST120G } 153 }; 154 155 static const struct usb_devno upgt_devs_2[] = { 156 /* version 2 devices */ 157 { USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_PRISM_GT }, 158 { USB_VENDOR_ALCATELT, USB_PRODUCT_ALCATELT_ST121G }, 159 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050 }, 160 { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54AG }, 161 { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GV2 }, 162 { USB_VENDOR_CONCEPTRONIC2, USB_PRODUCT_CONCEPTRONIC2_PRISM_GT }, 163 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GTST }, 164 { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_1 }, 165 { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_2 }, 166 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWLG122A2 }, 167 { USB_VENDOR_FSC, USB_PRODUCT_FSC_E5400 }, 168 { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_1 }, 169 { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_2 }, 170 { USB_VENDOR_INTERSIL, USB_PRODUCT_INTERSIL_PRISM_GT }, 171 { USB_VENDOR_PHEENET, USB_PRODUCT_PHEENET_GWU513 }, 172 { USB_VENDOR_PHILIPS, USB_PRODUCT_PHILIPS_CPWUA054 }, 173 { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_RUITZ1016YCZZ }, 174 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG }, 175 { USB_VENDOR_USR, USB_PRODUCT_USR_USR5422 }, 176 { USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_UR045G }, 177 { USB_VENDOR_XYRATEX, USB_PRODUCT_XYRATEX_PRISM_GT_1 }, 178 { USB_VENDOR_XYRATEX, USB_PRODUCT_XYRATEX_PRISM_GT_2 }, 179 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_MD40900 }, 180 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_XG703A } 181 }; 182 183 static int 184 firmware_load(const char *dname, const char *iname, uint8_t **ucodep, 185 size_t *sizep) 186 { 187 firmware_handle_t fh; 188 int error; 189 190 if ((error = firmware_open(dname, iname, &fh)) != 0) 191 return error; 192 *sizep = firmware_get_size(fh); 193 if ((*ucodep = firmware_malloc(*sizep)) == NULL) { 194 firmware_close(fh); 195 return ENOMEM; 196 } 197 if ((error = firmware_read(fh, 0, *ucodep, *sizep)) != 0) 198 firmware_free(*ucodep, *sizep); 199 firmware_close(fh); 200 201 return error; 202 } 203 204 static int 205 upgt_match(device_t parent, cfdata_t match, void *aux) 206 { 207 struct usb_attach_arg *uaa = aux; 208 209 if (usb_lookup(upgt_devs_1, uaa->vendor, uaa->product) != NULL) 210 return UMATCH_VENDOR_PRODUCT; 211 212 if (usb_lookup(upgt_devs_2, uaa->vendor, uaa->product) != NULL) 213 return UMATCH_VENDOR_PRODUCT; 214 215 return UMATCH_NONE; 216 } 217 218 static void 219 upgt_attach(device_t parent, device_t self, void *aux) 220 { 221 struct upgt_softc *sc = device_private(self); 222 struct usb_attach_arg *uaa = aux; 223 usb_interface_descriptor_t *id; 224 usb_endpoint_descriptor_t *ed; 225 usbd_status error; 226 char *devinfop; 227 int i; 228 229 aprint_naive("\n"); 230 aprint_normal("\n"); 231 232 /* 233 * Attach USB device. 234 */ 235 sc->sc_dev = self; 236 sc->sc_udev = uaa->device; 237 238 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 239 aprint_normal_dev(sc->sc_dev, "%s\n", devinfop); 240 usbd_devinfo_free(devinfop); 241 242 /* check device type */ 243 if (upgt_device_type(sc, uaa->vendor, uaa->product) != 0) 244 return; 245 246 /* set configuration number */ 247 if (usbd_set_config_no(sc->sc_udev, UPGT_CONFIG_NO, 0) != 0) { 248 aprint_error_dev(sc->sc_dev, 249 "could not set configuration no\n"); 250 return; 251 } 252 253 /* get the first interface handle */ 254 error = usbd_device2interface_handle(sc->sc_udev, UPGT_IFACE_INDEX, 255 &sc->sc_iface); 256 if (error != 0) { 257 aprint_error_dev(sc->sc_dev, 258 "could not get interface handle\n"); 259 return; 260 } 261 262 /* find endpoints */ 263 id = usbd_get_interface_descriptor(sc->sc_iface); 264 sc->sc_rx_no = sc->sc_tx_no = -1; 265 for (i = 0; i < id->bNumEndpoints; i++) { 266 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 267 if (ed == NULL) { 268 aprint_error_dev(sc->sc_dev, 269 "no endpoint descriptor for iface %d\n", i); 270 return; 271 } 272 273 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 274 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 275 sc->sc_tx_no = ed->bEndpointAddress; 276 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 277 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 278 sc->sc_rx_no = ed->bEndpointAddress; 279 280 /* 281 * 0x01 TX pipe 282 * 0x81 RX pipe 283 * 284 * Deprecated scheme (not used with fw version >2.5.6.x): 285 * 0x02 TX MGMT pipe 286 * 0x82 TX MGMT pipe 287 */ 288 if (sc->sc_tx_no != -1 && sc->sc_rx_no != -1) 289 break; 290 } 291 if (sc->sc_rx_no == -1 || sc->sc_tx_no == -1) { 292 aprint_error_dev(sc->sc_dev, "missing endpoint\n"); 293 return; 294 } 295 296 /* setup tasks and timeouts */ 297 usb_init_task(&sc->sc_task_newstate, upgt_newstate_task, sc); 298 usb_init_task(&sc->sc_task_tx, upgt_tx_task, sc); 299 callout_init(&sc->scan_to, 0); 300 callout_setfunc(&sc->scan_to, upgt_next_scan, sc); 301 callout_init(&sc->led_to, 0); 302 callout_setfunc(&sc->led_to, upgt_set_led_blink, sc); 303 304 /* 305 * Open TX and RX USB bulk pipes. 306 */ 307 error = usbd_open_pipe(sc->sc_iface, sc->sc_tx_no, USBD_EXCLUSIVE_USE, 308 &sc->sc_tx_pipeh); 309 if (error != 0) { 310 aprint_error_dev(sc->sc_dev, 311 "could not open TX pipe: %s\n", usbd_errstr(error)); 312 goto fail; 313 } 314 error = usbd_open_pipe(sc->sc_iface, sc->sc_rx_no, USBD_EXCLUSIVE_USE, 315 &sc->sc_rx_pipeh); 316 if (error != 0) { 317 aprint_error_dev(sc->sc_dev, "could not open RX pipe: %s\n", 318 usbd_errstr(error)); 319 goto fail; 320 } 321 322 /* 323 * Allocate TX, RX, and CMD xfers. 324 */ 325 if (upgt_alloc_tx(sc) != 0) 326 goto fail; 327 if (upgt_alloc_rx(sc) != 0) 328 goto fail; 329 if (upgt_alloc_cmd(sc) != 0) 330 goto fail; 331 332 /* 333 * We need the firmware loaded from file system to complete the attach. 334 */ 335 config_mountroot(self, upgt_attach_hook); 336 337 return; 338 fail: 339 aprint_error_dev(sc->sc_dev, "%s failed\n", __func__); 340 } 341 342 static void 343 upgt_attach_hook(device_t arg) 344 { 345 struct upgt_softc *sc = device_private(arg); 346 struct ieee80211com *ic = &sc->sc_ic; 347 struct ifnet *ifp = &sc->sc_if; 348 usbd_status error; 349 int i; 350 351 /* 352 * Load firmware file into memory. 353 */ 354 if (upgt_fw_alloc(sc) != 0) 355 goto fail; 356 357 /* 358 * Initialize the device. 359 */ 360 if (upgt_device_init(sc) != 0) 361 goto fail; 362 363 /* 364 * Verify the firmware. 365 */ 366 if (upgt_fw_verify(sc) != 0) 367 goto fail; 368 369 /* 370 * Calculate device memory space. 371 */ 372 if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 373 aprint_error_dev(sc->sc_dev, 374 "could not find memory space addresses on FW\n"); 375 goto fail; 376 } 377 sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 378 sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 379 380 DPRINTF(1, "%s: memory address frame start=0x%08x\n", 381 device_xname(sc->sc_dev), sc->sc_memaddr_frame_start); 382 DPRINTF(1, "%s: memory address frame end=0x%08x\n", 383 device_xname(sc->sc_dev), sc->sc_memaddr_frame_end); 384 DPRINTF(1, "%s: memory address rx start=0x%08x\n", 385 device_xname(sc->sc_dev), sc->sc_memaddr_rx_start); 386 387 upgt_mem_init(sc); 388 389 /* 390 * Load the firmware. 391 */ 392 if (upgt_fw_load(sc) != 0) 393 goto fail; 394 395 /* 396 * Startup the RX pipe. 397 */ 398 struct upgt_data *data_rx = &sc->rx_data; 399 400 usbd_setup_xfer(data_rx->xfer, sc->sc_rx_pipeh, data_rx, data_rx->buf, 401 MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 402 error = usbd_transfer(data_rx->xfer); 403 if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { 404 aprint_error_dev(sc->sc_dev, 405 "could not queue RX transfer\n"); 406 goto fail; 407 } 408 usbd_delay_ms(sc->sc_udev, 100); 409 410 /* 411 * Read the whole EEPROM content and parse it. 412 */ 413 if (upgt_eeprom_read(sc) != 0) 414 goto fail; 415 if (upgt_eeprom_parse(sc) != 0) 416 goto fail; 417 418 /* 419 * Setup the 802.11 device. 420 */ 421 ic->ic_ifp = ifp; 422 ic->ic_phytype = IEEE80211_T_OFDM; 423 ic->ic_opmode = IEEE80211_M_STA; 424 ic->ic_state = IEEE80211_S_INIT; 425 ic->ic_caps = 426 IEEE80211_C_MONITOR | 427 IEEE80211_C_SHPREAMBLE | 428 IEEE80211_C_SHSLOT; 429 430 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 431 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 432 433 for (i = 1; i <= 14; i++) { 434 ic->ic_channels[i].ic_freq = 435 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 436 ic->ic_channels[i].ic_flags = 437 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 438 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 439 } 440 441 ifp->if_softc = sc; 442 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 443 ifp->if_init = upgt_init; 444 ifp->if_ioctl = upgt_ioctl; 445 ifp->if_start = upgt_start; 446 ifp->if_watchdog = upgt_watchdog; 447 IFQ_SET_READY(&ifp->if_snd); 448 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 449 450 if_attach(ifp); 451 ieee80211_ifattach(ic); 452 ic->ic_newassoc = upgt_newassoc; 453 454 sc->sc_newstate = ic->ic_newstate; 455 ic->ic_newstate = upgt_newstate; 456 ieee80211_media_init(ic, upgt_media_change, ieee80211_media_status); 457 458 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 459 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 460 &sc->sc_drvbpf); 461 462 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 463 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 464 sc->sc_rxtap.wr_ihdr.it_present = htole32(UPGT_RX_RADIOTAP_PRESENT); 465 466 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 467 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 468 sc->sc_txtap.wt_ihdr.it_present = htole32(UPGT_TX_RADIOTAP_PRESENT); 469 470 aprint_normal_dev(sc->sc_dev, "address %s\n", 471 ether_sprintf(ic->ic_myaddr)); 472 473 ieee80211_announce(ic); 474 475 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 476 477 /* device attached */ 478 sc->sc_flags |= UPGT_DEVICE_ATTACHED; 479 480 return; 481 fail: 482 aprint_error_dev(sc->sc_dev, "%s failed\n", __func__); 483 } 484 485 static int 486 upgt_detach(device_t self, int flags) 487 { 488 struct upgt_softc *sc = device_private(self); 489 struct ifnet *ifp = &sc->sc_if; 490 struct ieee80211com *ic = &sc->sc_ic; 491 int s; 492 493 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 494 495 s = splnet(); 496 497 if (ifp->if_flags & IFF_RUNNING) 498 upgt_stop(sc); 499 500 /* remove tasks and timeouts */ 501 usb_rem_task(sc->sc_udev, &sc->sc_task_newstate); 502 usb_rem_task(sc->sc_udev, &sc->sc_task_tx); 503 callout_destroy(&sc->scan_to); 504 callout_destroy(&sc->led_to); 505 506 /* abort and close TX / RX pipes */ 507 if (sc->sc_tx_pipeh != NULL) { 508 usbd_abort_pipe(sc->sc_tx_pipeh); 509 usbd_close_pipe(sc->sc_tx_pipeh); 510 } 511 if (sc->sc_rx_pipeh != NULL) { 512 usbd_abort_pipe(sc->sc_rx_pipeh); 513 usbd_close_pipe(sc->sc_rx_pipeh); 514 } 515 516 /* free xfers */ 517 upgt_free_tx(sc); 518 upgt_free_rx(sc); 519 upgt_free_cmd(sc); 520 521 /* free firmware */ 522 upgt_fw_free(sc); 523 524 if (sc->sc_flags & UPGT_DEVICE_ATTACHED) { 525 /* detach interface */ 526 bpf_detach(ifp); 527 ieee80211_ifdetach(ic); 528 if_detach(ifp); 529 } 530 531 splx(s); 532 533 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 534 535 return 0; 536 } 537 538 static int 539 upgt_activate(device_t self, devact_t act) 540 { 541 struct upgt_softc *sc = device_private(self); 542 543 switch (act) { 544 case DVACT_DEACTIVATE: 545 if_deactivate(&sc->sc_if); 546 return 0; 547 default: 548 return EOPNOTSUPP; 549 } 550 } 551 552 static int 553 upgt_device_type(struct upgt_softc *sc, uint16_t vendor, uint16_t product) 554 { 555 556 if (usb_lookup(upgt_devs_1, vendor, product) != NULL) { 557 sc->sc_device_type = 1; 558 /* XXX */ 559 aprint_error_dev(sc->sc_dev, 560 "version 1 devices not supported yet\n"); 561 return 1; 562 } else 563 sc->sc_device_type = 2; 564 565 return 0; 566 } 567 568 static int 569 upgt_device_init(struct upgt_softc *sc) 570 { 571 struct upgt_data *data_cmd = &sc->cmd_data; 572 const uint8_t init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 573 int len; 574 575 len = sizeof(init_cmd); 576 memcpy(data_cmd->buf, init_cmd, len); 577 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 578 aprint_error_dev(sc->sc_dev, 579 "could not send device init string\n"); 580 return EIO; 581 } 582 usbd_delay_ms(sc->sc_udev, 100); 583 584 DPRINTF(1, "%s: device initialized\n", device_xname(sc->sc_dev)); 585 586 return 0; 587 } 588 589 static int 590 upgt_mem_init(struct upgt_softc *sc) 591 { 592 int i; 593 594 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 595 sc->sc_memory.page[i].used = 0; 596 597 if (i == 0) { 598 /* 599 * The first memory page is always reserved for 600 * command data. 601 */ 602 sc->sc_memory.page[i].addr = 603 sc->sc_memaddr_frame_start + MCLBYTES; 604 } else { 605 sc->sc_memory.page[i].addr = 606 sc->sc_memory.page[i - 1].addr + MCLBYTES; 607 } 608 609 if (sc->sc_memory.page[i].addr + MCLBYTES >= 610 sc->sc_memaddr_frame_end) 611 break; 612 613 DPRINTF(2, "%s: memory address page %d=0x%08x\n", 614 device_xname(sc->sc_dev), i, sc->sc_memory.page[i].addr); 615 } 616 617 sc->sc_memory.pages = i; 618 619 DPRINTF(2, "%s: memory pages=%d\n", 620 device_xname(sc->sc_dev), sc->sc_memory.pages); 621 622 return 0; 623 } 624 625 static uint32_t 626 upgt_mem_alloc(struct upgt_softc *sc) 627 { 628 int i; 629 630 for (i = 0; i < sc->sc_memory.pages; i++) { 631 if (sc->sc_memory.page[i].used == 0) { 632 sc->sc_memory.page[i].used = 1; 633 return sc->sc_memory.page[i].addr; 634 } 635 } 636 637 return 0; 638 } 639 640 static void 641 upgt_mem_free(struct upgt_softc *sc, uint32_t addr) 642 { 643 int i; 644 645 for (i = 0; i < sc->sc_memory.pages; i++) { 646 if (sc->sc_memory.page[i].addr == addr) { 647 sc->sc_memory.page[i].used = 0; 648 return; 649 } 650 } 651 652 aprint_error_dev(sc->sc_dev, "could not free memory address 0x%08x\n", 653 addr); 654 } 655 656 657 static int 658 upgt_fw_alloc(struct upgt_softc *sc) 659 { 660 const char *name = "upgt-gw3887"; 661 int error; 662 663 if (sc->sc_fw == NULL) { 664 error = firmware_load("upgt", name, &sc->sc_fw, 665 &sc->sc_fw_size); 666 if (error != 0) { 667 aprint_error_dev(sc->sc_dev, 668 "could not read firmware %s\n", name); 669 aprint_error_dev(sc->sc_dev, 670 "see upgt(4) man page for details\n"); 671 return EIO; 672 } 673 } 674 675 DPRINTF(1, "%s: firmware %s allocated\n", device_xname(sc->sc_dev), 676 name); 677 678 return 0; 679 } 680 681 static void 682 upgt_fw_free(struct upgt_softc *sc) 683 { 684 685 if (sc->sc_fw != NULL) { 686 firmware_free(sc->sc_fw, sc->sc_fw_size); 687 sc->sc_fw = NULL; 688 DPRINTF(1, "%s: firmware freed\n", device_xname(sc->sc_dev)); 689 } 690 } 691 692 static int 693 upgt_fw_verify(struct upgt_softc *sc) 694 { 695 struct upgt_fw_bra_option *bra_option; 696 uint32_t bra_option_type, bra_option_len; 697 uint32_t *uc; 698 int offset, bra_end = 0; 699 700 /* 701 * Seek to beginning of Boot Record Area (BRA). 702 */ 703 for (offset = 0; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 704 uc = (uint32_t *)(sc->sc_fw + offset); 705 if (*uc == 0) 706 break; 707 } 708 for (; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 709 uc = (uint32_t *)(sc->sc_fw + offset); 710 if (*uc != 0) 711 break; 712 } 713 if (offset == sc->sc_fw_size) { 714 aprint_error_dev(sc->sc_dev, 715 "firmware Boot Record Area not found\n"); 716 return EIO; 717 } 718 DPRINTF(1, "%s: firmware Boot Record Area found at offset %d\n", 719 device_xname(sc->sc_dev), offset); 720 721 /* 722 * Parse Boot Record Area (BRA) options. 723 */ 724 while (offset < sc->sc_fw_size && bra_end == 0) { 725 /* get current BRA option */ 726 bra_option = (struct upgt_fw_bra_option *)(sc->sc_fw + offset); 727 bra_option_type = le32toh(bra_option->type); 728 bra_option_len = le32toh(bra_option->len) * sizeof(*uc); 729 730 switch (bra_option_type) { 731 case UPGT_BRA_TYPE_FW: 732 DPRINTF(1, "%s: UPGT_BRA_TYPE_FW len=%d\n", 733 device_xname(sc->sc_dev), bra_option_len); 734 735 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 736 aprint_error_dev(sc->sc_dev, 737 "wrong UPGT_BRA_TYPE_FW len\n"); 738 return EIO; 739 } 740 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_option->data, 741 bra_option_len) == 0) { 742 sc->sc_fw_type = UPGT_FWTYPE_LM86; 743 break; 744 } 745 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_option->data, 746 bra_option_len) == 0) { 747 sc->sc_fw_type = UPGT_FWTYPE_LM87; 748 break; 749 } 750 if (memcmp(UPGT_BRA_FWTYPE_FMAC, bra_option->data, 751 bra_option_len) == 0) { 752 sc->sc_fw_type = UPGT_FWTYPE_FMAC; 753 break; 754 } 755 aprint_error_dev(sc->sc_dev, 756 "unsupported firmware type\n"); 757 return EIO; 758 case UPGT_BRA_TYPE_VERSION: 759 DPRINTF(1, "%s: UPGT_BRA_TYPE_VERSION len=%d\n", 760 device_xname(sc->sc_dev), bra_option_len); 761 break; 762 case UPGT_BRA_TYPE_DEPIF: 763 DPRINTF(1, "%s: UPGT_BRA_TYPE_DEPIF len=%d\n", 764 device_xname(sc->sc_dev), bra_option_len); 765 break; 766 case UPGT_BRA_TYPE_EXPIF: 767 DPRINTF(1, "%s: UPGT_BRA_TYPE_EXPIF len=%d\n", 768 device_xname(sc->sc_dev), bra_option_len); 769 break; 770 case UPGT_BRA_TYPE_DESCR: 771 DPRINTF(1, "%s: UPGT_BRA_TYPE_DESCR len=%d\n", 772 device_xname(sc->sc_dev), bra_option_len); 773 774 struct upgt_fw_bra_descr *descr = 775 (struct upgt_fw_bra_descr *)bra_option->data; 776 777 sc->sc_memaddr_frame_start = 778 le32toh(descr->memaddr_space_start); 779 sc->sc_memaddr_frame_end = 780 le32toh(descr->memaddr_space_end); 781 782 DPRINTF(2, "%s: memory address space start=0x%08x\n", 783 device_xname(sc->sc_dev), 784 sc->sc_memaddr_frame_start); 785 DPRINTF(2, "%s: memory address space end=0x%08x\n", 786 device_xname(sc->sc_dev), 787 sc->sc_memaddr_frame_end); 788 break; 789 case UPGT_BRA_TYPE_END: 790 DPRINTF(1, "%s: UPGT_BRA_TYPE_END len=%d\n", 791 device_xname(sc->sc_dev), bra_option_len); 792 bra_end = 1; 793 break; 794 default: 795 DPRINTF(1, "%s: unknown BRA option len=%d\n", 796 device_xname(sc->sc_dev), bra_option_len); 797 return EIO; 798 } 799 800 /* jump to next BRA option */ 801 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 802 } 803 804 DPRINTF(1, "%s: firmware verified\n", device_xname(sc->sc_dev)); 805 806 return 0; 807 } 808 809 static int 810 upgt_fw_load(struct upgt_softc *sc) 811 { 812 struct upgt_data *data_cmd = &sc->cmd_data; 813 struct upgt_data *data_rx = &sc->rx_data; 814 struct upgt_fw_x2_header *x2; 815 const uint8_t start_fwload_cmd[] = { 0x3c, 0x0d }; 816 int offset, bsize, n, i, len; 817 uint32_t crc; 818 819 /* send firmware start load command */ 820 len = sizeof(start_fwload_cmd); 821 memcpy(data_cmd->buf, start_fwload_cmd, len); 822 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 823 aprint_error_dev(sc->sc_dev, 824 "could not send start_firmware_load command\n"); 825 return EIO; 826 } 827 828 /* send X2 header */ 829 len = sizeof(struct upgt_fw_x2_header); 830 x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 831 memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 832 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 833 x2->len = htole32(sc->sc_fw_size); 834 x2->crc = upgt_crc32_le(data_cmd->buf + UPGT_X2_SIGNATURE_SIZE, 835 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 836 sizeof(uint32_t)); 837 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 838 aprint_error_dev(sc->sc_dev, 839 "could not send firmware X2 header\n"); 840 return EIO; 841 } 842 843 /* download firmware */ 844 for (offset = 0; offset < sc->sc_fw_size; offset += bsize) { 845 if (sc->sc_fw_size - offset > UPGT_FW_BLOCK_SIZE) 846 bsize = UPGT_FW_BLOCK_SIZE; 847 else 848 bsize = sc->sc_fw_size - offset; 849 850 n = upgt_fw_copy(sc->sc_fw + offset, data_cmd->buf, bsize); 851 852 DPRINTF(1, "%s: FW offset=%d, read=%d, sent=%d\n", 853 device_xname(sc->sc_dev), offset, n, bsize); 854 855 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &bsize, 0) 856 != 0) { 857 aprint_error_dev(sc->sc_dev, 858 "error while downloading firmware block\n"); 859 return EIO; 860 } 861 862 bsize = n; 863 } 864 DPRINTF(1, "%s: firmware downloaded\n", device_xname(sc->sc_dev)); 865 866 /* load firmware */ 867 crc = upgt_crc32_le(sc->sc_fw, sc->sc_fw_size); 868 *((uint32_t *)(data_cmd->buf) ) = crc; 869 *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 870 *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 871 len = 6; 872 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 873 aprint_error_dev(sc->sc_dev, 874 "could not send load_firmware command\n"); 875 return EIO; 876 } 877 878 for (i = 0; i < UPGT_FIRMWARE_TIMEOUT; i++) { 879 len = UPGT_FW_BLOCK_SIZE; 880 memset(data_rx->buf, 0, 2); 881 if (upgt_bulk_xmit(sc, data_rx, sc->sc_rx_pipeh, &len, 882 USBD_SHORT_XFER_OK) != 0) { 883 aprint_error_dev(sc->sc_dev, 884 "could not read firmware response\n"); 885 return EIO; 886 } 887 888 if (memcmp(data_rx->buf, "OK", 2) == 0) 889 break; /* firmware load was successful */ 890 } 891 if (i == UPGT_FIRMWARE_TIMEOUT) { 892 aprint_error_dev(sc->sc_dev, "firmware load failed\n"); 893 return EIO; 894 } 895 DPRINTF(1, "%s: firmware loaded\n", device_xname(sc->sc_dev)); 896 897 return 0; 898 } 899 900 /* 901 * While copying the version 2 firmware, we need to replace two characters: 902 * 903 * 0x7e -> 0x7d 0x5e 904 * 0x7d -> 0x7d 0x5d 905 */ 906 static int 907 upgt_fw_copy(char *src, char *dst, int size) 908 { 909 int i, j; 910 911 for (i = 0, j = 0; i < size && j < size; i++) { 912 switch (src[i]) { 913 case 0x7e: 914 dst[j] = 0x7d; 915 j++; 916 dst[j] = 0x5e; 917 j++; 918 break; 919 case 0x7d: 920 dst[j] = 0x7d; 921 j++; 922 dst[j] = 0x5d; 923 j++; 924 break; 925 default: 926 dst[j] = src[i]; 927 j++; 928 break; 929 } 930 } 931 932 return i; 933 } 934 935 static int 936 upgt_eeprom_read(struct upgt_softc *sc) 937 { 938 struct upgt_data *data_cmd = &sc->cmd_data; 939 struct upgt_lmac_mem *mem; 940 struct upgt_lmac_eeprom *eeprom; 941 int offset, block, len; 942 943 offset = 0; 944 block = UPGT_EEPROM_BLOCK_SIZE; 945 while (offset < UPGT_EEPROM_SIZE) { 946 DPRINTF(1, "%s: request EEPROM block (offset=%d, len=%d)\n", 947 device_xname(sc->sc_dev), offset, block); 948 949 /* 950 * Transmit the URB containing the CMD data. 951 */ 952 len = sizeof(*mem) + sizeof(*eeprom) + block; 953 954 memset(data_cmd->buf, 0, len); 955 956 mem = (struct upgt_lmac_mem *)data_cmd->buf; 957 mem->addr = htole32(sc->sc_memaddr_frame_start + 958 UPGT_MEMSIZE_FRAME_HEAD); 959 960 eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 961 eeprom->header1.flags = 0; 962 eeprom->header1.type = UPGT_H1_TYPE_CTRL; 963 eeprom->header1.len = htole16(( 964 sizeof(struct upgt_lmac_eeprom) - 965 sizeof(struct upgt_lmac_header)) + block); 966 967 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 968 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 969 eeprom->header2.flags = 0; 970 971 eeprom->offset = htole16(offset); 972 eeprom->len = htole16(block); 973 974 mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 975 len - sizeof(*mem)); 976 977 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 978 USBD_FORCE_SHORT_XFER) != 0) { 979 aprint_error_dev(sc->sc_dev, 980 "could not transmit EEPROM data URB\n"); 981 return EIO; 982 } 983 if (tsleep(sc, 0, "eeprom_request", UPGT_USB_TIMEOUT)) { 984 aprint_error_dev(sc->sc_dev, 985 "timeout while waiting for EEPROM data\n"); 986 return EIO; 987 } 988 989 offset += block; 990 if (UPGT_EEPROM_SIZE - offset < block) 991 block = UPGT_EEPROM_SIZE - offset; 992 } 993 994 return 0; 995 } 996 997 static int 998 upgt_eeprom_parse(struct upgt_softc *sc) 999 { 1000 struct ieee80211com *ic = &sc->sc_ic; 1001 struct upgt_eeprom_header *eeprom_header; 1002 struct upgt_eeprom_option *eeprom_option; 1003 uint16_t option_len; 1004 uint16_t option_type; 1005 uint16_t preamble_len; 1006 int option_end = 0; 1007 1008 /* calculate eeprom options start offset */ 1009 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1010 preamble_len = le16toh(eeprom_header->preamble_len); 1011 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1012 (sizeof(struct upgt_eeprom_header) + preamble_len)); 1013 1014 while (!option_end) { 1015 /* the eeprom option length is stored in words */ 1016 option_len = 1017 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1018 option_type = 1019 le16toh(eeprom_option->type); 1020 1021 switch (option_type) { 1022 case UPGT_EEPROM_TYPE_NAME: 1023 DPRINTF(1, "%s: EEPROM name len=%d\n", 1024 device_xname(sc->sc_dev), option_len); 1025 break; 1026 case UPGT_EEPROM_TYPE_SERIAL: 1027 DPRINTF(1, "%s: EEPROM serial len=%d\n", 1028 device_xname(sc->sc_dev), option_len); 1029 break; 1030 case UPGT_EEPROM_TYPE_MAC: 1031 DPRINTF(1, "%s: EEPROM mac len=%d\n", 1032 device_xname(sc->sc_dev), option_len); 1033 1034 IEEE80211_ADDR_COPY(ic->ic_myaddr, eeprom_option->data); 1035 break; 1036 case UPGT_EEPROM_TYPE_HWRX: 1037 DPRINTF(1, "%s: EEPROM hwrx len=%d\n", 1038 device_xname(sc->sc_dev), option_len); 1039 1040 upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1041 break; 1042 case UPGT_EEPROM_TYPE_CHIP: 1043 DPRINTF(1, "%s: EEPROM chip len=%d\n", 1044 device_xname(sc->sc_dev), option_len); 1045 break; 1046 case UPGT_EEPROM_TYPE_FREQ3: 1047 DPRINTF(1, "%s: EEPROM freq3 len=%d\n", 1048 device_xname(sc->sc_dev), option_len); 1049 1050 upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1051 option_len); 1052 break; 1053 case UPGT_EEPROM_TYPE_FREQ4: 1054 DPRINTF(1, "%s: EEPROM freq4 len=%d\n", 1055 device_xname(sc->sc_dev), option_len); 1056 1057 upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1058 option_len); 1059 break; 1060 case UPGT_EEPROM_TYPE_FREQ5: 1061 DPRINTF(1, "%s: EEPROM freq5 len=%d\n", 1062 device_xname(sc->sc_dev), option_len); 1063 break; 1064 case UPGT_EEPROM_TYPE_FREQ6: 1065 DPRINTF(1, "%s: EEPROM freq6 len=%d\n", 1066 device_xname(sc->sc_dev), option_len); 1067 1068 upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1069 option_len); 1070 break; 1071 case UPGT_EEPROM_TYPE_END: 1072 DPRINTF(1, "%s: EEPROM end len=%d\n", 1073 device_xname(sc->sc_dev), option_len); 1074 option_end = 1; 1075 break; 1076 case UPGT_EEPROM_TYPE_OFF: 1077 DPRINTF(1, "%s: EEPROM off without end option\n", 1078 device_xname(sc->sc_dev)); 1079 return EIO; 1080 default: 1081 DPRINTF(1, "%s: EEPROM unknown type 0x%04x len=%d\n", 1082 device_xname(sc->sc_dev), option_type, option_len); 1083 break; 1084 } 1085 1086 /* jump to next EEPROM option */ 1087 eeprom_option = (struct upgt_eeprom_option *) 1088 (eeprom_option->data + option_len); 1089 } 1090 1091 return 0; 1092 } 1093 1094 static void 1095 upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1096 { 1097 struct upgt_eeprom_option_hwrx *option_hwrx; 1098 1099 option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1100 1101 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1102 1103 DPRINTF(2, "%s: hwrx option value=0x%04x\n", 1104 device_xname(sc->sc_dev), sc->sc_eeprom_hwrx); 1105 } 1106 1107 static void 1108 upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1109 { 1110 struct upgt_eeprom_freq3_header *freq3_header; 1111 struct upgt_lmac_freq3 *freq3; 1112 int i, elements, flags; 1113 unsigned channel; 1114 1115 freq3_header = (struct upgt_eeprom_freq3_header *)data; 1116 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1117 1118 flags = freq3_header->flags; 1119 elements = freq3_header->elements; 1120 1121 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1122 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1123 1124 for (i = 0; i < elements; i++) { 1125 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1126 1127 sc->sc_eeprom_freq3[channel] = freq3[i]; 1128 1129 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1130 device_xname(sc->sc_dev), 1131 le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1132 } 1133 } 1134 1135 static void 1136 upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1137 { 1138 struct upgt_eeprom_freq4_header *freq4_header; 1139 struct upgt_eeprom_freq4_1 *freq4_1; 1140 struct upgt_eeprom_freq4_2 *freq4_2; 1141 int i, j, elements, settings, flags; 1142 unsigned channel; 1143 1144 freq4_header = (struct upgt_eeprom_freq4_header *)data; 1145 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1146 1147 flags = freq4_header->flags; 1148 elements = freq4_header->elements; 1149 settings = freq4_header->settings; 1150 1151 /* we need this value later */ 1152 sc->sc_eeprom_freq6_settings = freq4_header->settings; 1153 1154 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1155 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1156 DPRINTF(2, "%s: settings=%d\n", device_xname(sc->sc_dev), settings); 1157 1158 for (i = 0; i < elements; i++) { 1159 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1160 1161 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1162 1163 for (j = 0; j < settings; j++) { 1164 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1165 sc->sc_eeprom_freq4[channel][j].pad = 0; 1166 } 1167 1168 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1169 device_xname(sc->sc_dev), 1170 le16toh(freq4_1[i].freq), channel); 1171 } 1172 } 1173 1174 static void 1175 upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1176 { 1177 struct upgt_lmac_freq6 *freq6; 1178 int i, elements; 1179 unsigned channel; 1180 1181 freq6 = (struct upgt_lmac_freq6 *)data; 1182 1183 elements = len / sizeof(struct upgt_lmac_freq6); 1184 1185 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1186 1187 for (i = 0; i < elements; i++) { 1188 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1189 1190 sc->sc_eeprom_freq6[channel] = freq6[i]; 1191 1192 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1193 device_xname(sc->sc_dev), 1194 le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1195 } 1196 } 1197 1198 static int 1199 upgt_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1200 { 1201 struct upgt_softc *sc = ifp->if_softc; 1202 struct ieee80211com *ic = &sc->sc_ic; 1203 int s, error = 0; 1204 1205 s = splnet(); 1206 1207 switch (cmd) { 1208 case SIOCSIFFLAGS: 1209 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 1210 break; 1211 if (ifp->if_flags & IFF_UP) { 1212 if ((ifp->if_flags & IFF_RUNNING) == 0) 1213 upgt_init(ifp); 1214 } else { 1215 if (ifp->if_flags & IFF_RUNNING) 1216 upgt_stop(sc); 1217 } 1218 break; 1219 case SIOCADDMULTI: 1220 case SIOCDELMULTI: 1221 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 1222 /* setup multicast filter, etc */ 1223 error = 0; 1224 } 1225 break; 1226 default: 1227 error = ieee80211_ioctl(ic, cmd, data); 1228 break; 1229 } 1230 1231 if (error == ENETRESET) { 1232 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1233 (IFF_UP | IFF_RUNNING)) 1234 upgt_init(ifp); 1235 error = 0; 1236 } 1237 1238 splx(s); 1239 1240 return error; 1241 } 1242 1243 static int 1244 upgt_init(struct ifnet *ifp) 1245 { 1246 struct upgt_softc *sc = ifp->if_softc; 1247 struct ieee80211com *ic = &sc->sc_ic; 1248 1249 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1250 1251 if (ifp->if_flags & IFF_RUNNING) 1252 upgt_stop(sc); 1253 1254 ifp->if_flags |= IFF_RUNNING; 1255 ifp->if_flags &= ~IFF_OACTIVE; 1256 1257 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 1258 1259 /* setup device rates */ 1260 upgt_setup_rates(sc); 1261 1262 if (ic->ic_opmode == IEEE80211_M_MONITOR) 1263 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 1264 else 1265 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1266 1267 return 0; 1268 } 1269 1270 static void 1271 upgt_stop(struct upgt_softc *sc) 1272 { 1273 struct ieee80211com *ic = &sc->sc_ic; 1274 struct ifnet *ifp = &sc->sc_if; 1275 1276 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1277 1278 /* device down */ 1279 ifp->if_timer = 0; 1280 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1281 1282 /* change device back to initial state */ 1283 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1284 } 1285 1286 static int 1287 upgt_media_change(struct ifnet *ifp) 1288 { 1289 struct upgt_softc *sc = ifp->if_softc; 1290 int error; 1291 1292 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1293 1294 if ((error = ieee80211_media_change(ifp) != ENETRESET)) 1295 return error; 1296 1297 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1298 (IFF_UP | IFF_RUNNING)) { 1299 /* give pending USB transfers a chance to finish */ 1300 usbd_delay_ms(sc->sc_udev, 100); 1301 upgt_init(ifp); 1302 } 1303 1304 return 0; 1305 } 1306 1307 static void 1308 upgt_newassoc(struct ieee80211_node *ni, int isnew) 1309 { 1310 1311 ni->ni_txrate = 0; 1312 } 1313 1314 static int 1315 upgt_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1316 { 1317 struct upgt_softc *sc = ic->ic_ifp->if_softc; 1318 1319 usb_rem_task(sc->sc_udev, &sc->sc_task_newstate); 1320 callout_stop(&sc->scan_to); 1321 1322 /* do it in a process context */ 1323 sc->sc_state = nstate; 1324 sc->sc_arg = arg; 1325 usb_add_task(sc->sc_udev, &sc->sc_task_newstate, USB_TASKQ_DRIVER); 1326 1327 return 0; 1328 } 1329 1330 static void 1331 upgt_newstate_task(void *arg) 1332 { 1333 struct upgt_softc *sc = arg; 1334 struct ieee80211com *ic = &sc->sc_ic; 1335 struct ieee80211_node *ni; 1336 unsigned channel; 1337 1338 mutex_enter(&sc->sc_mtx); 1339 1340 switch (sc->sc_state) { 1341 case IEEE80211_S_INIT: 1342 DPRINTF(1, "%s: newstate is IEEE80211_S_INIT\n", 1343 device_xname(sc->sc_dev)); 1344 1345 /* do not accept any frames if the device is down */ 1346 upgt_set_macfilter(sc, IEEE80211_S_INIT); 1347 upgt_set_led(sc, UPGT_LED_OFF); 1348 break; 1349 case IEEE80211_S_SCAN: 1350 DPRINTF(1, "%s: newstate is IEEE80211_S_SCAN\n", 1351 device_xname(sc->sc_dev)); 1352 1353 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1354 upgt_set_channel(sc, channel); 1355 upgt_set_macfilter(sc, IEEE80211_S_SCAN); 1356 callout_schedule(&sc->scan_to, hz / 5); 1357 break; 1358 case IEEE80211_S_AUTH: 1359 DPRINTF(1, "%s: newstate is IEEE80211_S_AUTH\n", 1360 device_xname(sc->sc_dev)); 1361 1362 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1363 upgt_set_channel(sc, channel); 1364 break; 1365 case IEEE80211_S_ASSOC: 1366 DPRINTF(1, "%s: newstate is IEEE80211_S_ASSOC\n", 1367 device_xname(sc->sc_dev)); 1368 1369 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1370 upgt_set_channel(sc, channel); 1371 break; 1372 case IEEE80211_S_RUN: 1373 DPRINTF(1, "%s: newstate is IEEE80211_S_RUN\n", 1374 device_xname(sc->sc_dev)); 1375 1376 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1377 upgt_set_channel(sc, channel); 1378 1379 ni = ic->ic_bss; 1380 1381 /* 1382 * TX rate control is done by the firmware. 1383 * Report the maximum rate which is available therefore. 1384 */ 1385 ni->ni_txrate = ni->ni_rates.rs_nrates - 1; 1386 1387 if (ic->ic_opmode != IEEE80211_M_MONITOR) 1388 upgt_set_macfilter(sc, IEEE80211_S_RUN); 1389 upgt_set_led(sc, UPGT_LED_ON); 1390 break; 1391 } 1392 1393 mutex_exit(&sc->sc_mtx); 1394 1395 sc->sc_newstate(ic, sc->sc_state, sc->sc_arg); 1396 } 1397 1398 static void 1399 upgt_next_scan(void *arg) 1400 { 1401 struct upgt_softc *sc = arg; 1402 struct ieee80211com *ic = &sc->sc_ic; 1403 1404 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1405 1406 if (ic->ic_state == IEEE80211_S_SCAN) 1407 ieee80211_next_scan(ic); 1408 } 1409 1410 static void 1411 upgt_start(struct ifnet *ifp) 1412 { 1413 struct upgt_softc *sc = ifp->if_softc; 1414 struct ieee80211com *ic = &sc->sc_ic; 1415 struct ether_header *eh; 1416 struct ieee80211_node *ni; 1417 struct mbuf *m; 1418 int i; 1419 1420 /* don't transmit packets if interface is busy or down */ 1421 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 1422 return; 1423 1424 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1425 1426 for (i = 0; i < UPGT_TX_COUNT; i++) { 1427 struct upgt_data *data_tx = &sc->tx_data[i]; 1428 1429 if (data_tx->m != NULL) 1430 continue; 1431 1432 IF_POLL(&ic->ic_mgtq, m); 1433 if (m != NULL) { 1434 /* management frame */ 1435 IF_DEQUEUE(&ic->ic_mgtq, m); 1436 1437 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1438 m->m_pkthdr.rcvif = NULL; 1439 1440 bpf_mtap3(ic->ic_rawbpf, m); 1441 1442 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1443 aprint_error_dev(sc->sc_dev, 1444 "no free prism memory\n"); 1445 m_freem(m); 1446 ifp->if_oerrors++; 1447 break; 1448 } 1449 data_tx->ni = ni; 1450 data_tx->m = m; 1451 sc->tx_queued++; 1452 } else { 1453 /* data frame */ 1454 if (ic->ic_state != IEEE80211_S_RUN) 1455 break; 1456 1457 IFQ_POLL(&ifp->if_snd, m); 1458 if (m == NULL) 1459 break; 1460 1461 IFQ_DEQUEUE(&ifp->if_snd, m); 1462 if (m->m_len < sizeof(struct ether_header) && 1463 !(m = m_pullup(m, sizeof(struct ether_header)))) 1464 continue; 1465 1466 eh = mtod(m, struct ether_header *); 1467 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1468 if (ni == NULL) { 1469 m_freem(m); 1470 continue; 1471 } 1472 1473 bpf_mtap(ifp, m); 1474 1475 m = ieee80211_encap(ic, m, ni); 1476 if (m == NULL) { 1477 ieee80211_free_node(ni); 1478 continue; 1479 } 1480 1481 bpf_mtap3(ic->ic_rawbpf, m); 1482 1483 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1484 aprint_error_dev(sc->sc_dev, 1485 "no free prism memory\n"); 1486 m_freem(m); 1487 ieee80211_free_node(ni); 1488 ifp->if_oerrors++; 1489 break; 1490 } 1491 data_tx->ni = ni; 1492 data_tx->m = m; 1493 sc->tx_queued++; 1494 } 1495 } 1496 1497 if (sc->tx_queued > 0) { 1498 DPRINTF(2, "%s: tx_queued=%d\n", 1499 device_xname(sc->sc_dev), sc->tx_queued); 1500 /* process the TX queue in process context */ 1501 ifp->if_timer = 5; 1502 ifp->if_flags |= IFF_OACTIVE; 1503 usb_rem_task(sc->sc_udev, &sc->sc_task_tx); 1504 usb_add_task(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); 1505 } 1506 } 1507 1508 static void 1509 upgt_watchdog(struct ifnet *ifp) 1510 { 1511 struct upgt_softc *sc = ifp->if_softc; 1512 struct ieee80211com *ic = &sc->sc_ic; 1513 1514 if (ic->ic_state == IEEE80211_S_INIT) 1515 return; 1516 1517 aprint_error_dev(sc->sc_dev, "watchdog timeout\n"); 1518 1519 /* TODO: what shall we do on TX timeout? */ 1520 1521 ieee80211_watchdog(ic); 1522 } 1523 1524 static void 1525 upgt_tx_task(void *arg) 1526 { 1527 struct upgt_softc *sc = arg; 1528 struct ieee80211com *ic = &sc->sc_ic; 1529 struct ieee80211_frame *wh; 1530 struct ieee80211_key *k; 1531 struct ifnet *ifp = &sc->sc_if; 1532 struct upgt_lmac_mem *mem; 1533 struct upgt_lmac_tx_desc *txdesc; 1534 struct mbuf *m; 1535 uint32_t addr; 1536 int i, len, pad, s; 1537 usbd_status error; 1538 1539 mutex_enter(&sc->sc_mtx); 1540 upgt_set_led(sc, UPGT_LED_BLINK); 1541 mutex_exit(&sc->sc_mtx); 1542 1543 s = splnet(); 1544 1545 for (i = 0; i < UPGT_TX_COUNT; i++) { 1546 struct upgt_data *data_tx = &sc->tx_data[i]; 1547 1548 if (data_tx->m == NULL) 1549 continue; 1550 1551 m = data_tx->m; 1552 addr = data_tx->addr + UPGT_MEMSIZE_FRAME_HEAD; 1553 1554 /* 1555 * Software crypto. 1556 */ 1557 wh = mtod(m, struct ieee80211_frame *); 1558 1559 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1560 k = ieee80211_crypto_encap(ic, data_tx->ni, m); 1561 if (k == NULL) { 1562 m_freem(m); 1563 data_tx->m = NULL; 1564 ieee80211_free_node(data_tx->ni); 1565 data_tx->ni = NULL; 1566 ifp->if_oerrors++; 1567 break; 1568 } 1569 1570 /* in case packet header moved, reset pointer */ 1571 wh = mtod(m, struct ieee80211_frame *); 1572 } 1573 1574 /* 1575 * Transmit the URB containing the TX data. 1576 */ 1577 memset(data_tx->buf, 0, sizeof(*mem) + sizeof(*txdesc)); 1578 1579 mem = (struct upgt_lmac_mem *)data_tx->buf; 1580 mem->addr = htole32(addr); 1581 1582 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 1583 1584 /* XXX differ between data and mgmt frames? */ 1585 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 1586 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 1587 txdesc->header1.len = htole16(m->m_pkthdr.len); 1588 1589 txdesc->header2.reqid = htole32(data_tx->addr); 1590 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 1591 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 1592 1593 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 1594 IEEE80211_FC0_TYPE_MGT) { 1595 /* always send mgmt frames at lowest rate (DS1) */ 1596 memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 1597 } else { 1598 memcpy(txdesc->rates, sc->sc_cur_rateset, 1599 sizeof(txdesc->rates)); 1600 } 1601 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 1602 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 1603 1604 if (sc->sc_drvbpf != NULL) { 1605 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 1606 1607 tap->wt_flags = 0; 1608 tap->wt_rate = 0; /* TODO: where to get from? */ 1609 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1610 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1611 1612 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m); 1613 } 1614 1615 /* copy frame below our TX descriptor header */ 1616 m_copydata(m, 0, m->m_pkthdr.len, 1617 data_tx->buf + sizeof(*mem) + sizeof(*txdesc)); 1618 1619 /* calculate frame size */ 1620 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 1621 1622 if (len & 3) { 1623 /* we need to align the frame to a 4 byte boundary */ 1624 pad = 4 - (len & 3); 1625 memset(data_tx->buf + len, 0, pad); 1626 len += pad; 1627 } 1628 1629 /* calculate frame checksum */ 1630 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, 1631 len - sizeof(*mem)); 1632 1633 /* we do not need the mbuf anymore */ 1634 m_freem(m); 1635 data_tx->m = NULL; 1636 1637 ieee80211_free_node(data_tx->ni); 1638 data_tx->ni = NULL; 1639 1640 DPRINTF(2, "%s: TX start data sending\n", 1641 device_xname(sc->sc_dev)); 1642 1643 usbd_setup_xfer(data_tx->xfer, sc->sc_tx_pipeh, data_tx, 1644 data_tx->buf, len, USBD_FORCE_SHORT_XFER | USBD_NO_COPY, 1645 UPGT_USB_TIMEOUT, NULL); 1646 error = usbd_transfer(data_tx->xfer); 1647 if (error != USBD_NORMAL_COMPLETION && 1648 error != USBD_IN_PROGRESS) { 1649 aprint_error_dev(sc->sc_dev, 1650 "could not transmit TX data URB\n"); 1651 ifp->if_oerrors++; 1652 break; 1653 } 1654 1655 DPRINTF(2, "%s: TX sent (%d bytes)\n", 1656 device_xname(sc->sc_dev), len); 1657 } 1658 1659 splx(s); 1660 1661 /* 1662 * If we don't regulary read the device statistics, the RX queue 1663 * will stall. It's strange, but it works, so we keep reading 1664 * the statistics here. *shrug* 1665 */ 1666 mutex_enter(&sc->sc_mtx); 1667 upgt_get_stats(sc); 1668 mutex_exit(&sc->sc_mtx); 1669 } 1670 1671 static void 1672 upgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1673 { 1674 struct ifnet *ifp = &sc->sc_if; 1675 struct upgt_lmac_tx_done_desc *desc; 1676 int i, s; 1677 1678 s = splnet(); 1679 1680 desc = (struct upgt_lmac_tx_done_desc *)data; 1681 1682 for (i = 0; i < UPGT_TX_COUNT; i++) { 1683 struct upgt_data *data_tx = &sc->tx_data[i]; 1684 1685 if (data_tx->addr == le32toh(desc->header2.reqid)) { 1686 upgt_mem_free(sc, data_tx->addr); 1687 data_tx->addr = 0; 1688 1689 sc->tx_queued--; 1690 ifp->if_opackets++; 1691 1692 DPRINTF(2, "%s: TX done: ", device_xname(sc->sc_dev)); 1693 DPRINTF(2, "memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1694 le32toh(desc->header2.reqid), 1695 le16toh(desc->status), 1696 le16toh(desc->rssi)); 1697 DPRINTF(2, "seq=%d\n", le16toh(desc->seq)); 1698 break; 1699 } 1700 } 1701 1702 if (sc->tx_queued == 0) { 1703 /* TX queued was processed, continue */ 1704 ifp->if_timer = 0; 1705 ifp->if_flags &= ~IFF_OACTIVE; 1706 upgt_start(ifp); 1707 } 1708 1709 splx(s); 1710 } 1711 1712 static void 1713 upgt_rx_cb(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1714 { 1715 struct upgt_data *data_rx = priv; 1716 struct upgt_softc *sc = data_rx->sc; 1717 int len; 1718 struct upgt_lmac_header *header; 1719 struct upgt_lmac_eeprom *eeprom; 1720 uint8_t h1_type; 1721 uint16_t h2_type; 1722 1723 DPRINTF(3, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1724 1725 if (status != USBD_NORMAL_COMPLETION) { 1726 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1727 return; 1728 if (status == USBD_STALLED) 1729 usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh); 1730 goto skip; 1731 } 1732 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1733 1734 /* 1735 * Check what type of frame came in. 1736 */ 1737 header = (struct upgt_lmac_header *)(data_rx->buf + 4); 1738 1739 h1_type = header->header1.type; 1740 h2_type = le16toh(header->header2.type); 1741 1742 if (h1_type == UPGT_H1_TYPE_CTRL && 1743 h2_type == UPGT_H2_TYPE_EEPROM) { 1744 eeprom = (struct upgt_lmac_eeprom *)(data_rx->buf + 4); 1745 uint16_t eeprom_offset = le16toh(eeprom->offset); 1746 uint16_t eeprom_len = le16toh(eeprom->len); 1747 1748 DPRINTF(2, "%s: received EEPROM block (offset=%d, len=%d)\n", 1749 device_xname(sc->sc_dev), eeprom_offset, eeprom_len); 1750 1751 memcpy(sc->sc_eeprom + eeprom_offset, 1752 data_rx->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1753 eeprom_len); 1754 1755 /* EEPROM data has arrived in time, wakeup tsleep() */ 1756 wakeup(sc); 1757 } else 1758 if (h1_type == UPGT_H1_TYPE_CTRL && 1759 h2_type == UPGT_H2_TYPE_TX_DONE) { 1760 DPRINTF(2, "%s: received 802.11 TX done\n", 1761 device_xname(sc->sc_dev)); 1762 1763 upgt_tx_done(sc, data_rx->buf + 4); 1764 } else 1765 if (h1_type == UPGT_H1_TYPE_RX_DATA || 1766 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1767 DPRINTF(3, "%s: received 802.11 RX data\n", 1768 device_xname(sc->sc_dev)); 1769 1770 upgt_rx(sc, data_rx->buf + 4, le16toh(header->header1.len)); 1771 } else 1772 if (h1_type == UPGT_H1_TYPE_CTRL && 1773 h2_type == UPGT_H2_TYPE_STATS) { 1774 DPRINTF(2, "%s: received statistic data\n", 1775 device_xname(sc->sc_dev)); 1776 1777 /* TODO: what could we do with the statistic data? */ 1778 } else { 1779 /* ignore unknown frame types */ 1780 DPRINTF(1, "%s: received unknown frame type 0x%02x\n", 1781 device_xname(sc->sc_dev), header->header1.type); 1782 } 1783 1784 skip: /* setup new transfer */ 1785 usbd_setup_xfer(xfer, sc->sc_rx_pipeh, data_rx, data_rx->buf, MCLBYTES, 1786 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 1787 (void)usbd_transfer(xfer); 1788 } 1789 1790 static void 1791 upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen) 1792 { 1793 struct ieee80211com *ic = &sc->sc_ic; 1794 struct ifnet *ifp = &sc->sc_if; 1795 struct upgt_lmac_rx_desc *rxdesc; 1796 struct ieee80211_frame *wh; 1797 struct ieee80211_node *ni; 1798 struct mbuf *m; 1799 int s; 1800 1801 /* access RX packet descriptor */ 1802 rxdesc = (struct upgt_lmac_rx_desc *)data; 1803 1804 /* create mbuf which is suitable for strict alignment archs */ 1805 #define ETHER_ALIGN 0 1806 m = m_devget(rxdesc->data, pkglen, ETHER_ALIGN, ifp, NULL); 1807 if (m == NULL) { 1808 DPRINTF(1, "%s: could not create RX mbuf\n", 1809 device_xname(sc->sc_dev)); 1810 ifp->if_ierrors++; 1811 return; 1812 } 1813 1814 s = splnet(); 1815 1816 if (sc->sc_drvbpf != NULL) { 1817 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1818 1819 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1820 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1821 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1822 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1823 tap->wr_antsignal = rxdesc->rssi; 1824 1825 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1826 } 1827 1828 /* trim FCS */ 1829 m_adj(m, -IEEE80211_CRC_LEN); 1830 1831 wh = mtod(m, struct ieee80211_frame *); 1832 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1833 1834 /* push the frame up to the 802.11 stack */ 1835 ieee80211_input(ic, m, ni, rxdesc->rssi, 0); 1836 1837 /* node is no longer needed */ 1838 ieee80211_free_node(ni); 1839 1840 splx(s); 1841 1842 DPRINTF(3, "%s: RX done\n", device_xname(sc->sc_dev)); 1843 } 1844 1845 static void 1846 upgt_setup_rates(struct upgt_softc *sc) 1847 { 1848 struct ieee80211com *ic = &sc->sc_ic; 1849 1850 /* 1851 * 0x01 = OFMD6 0x10 = DS1 1852 * 0x04 = OFDM9 0x11 = DS2 1853 * 0x06 = OFDM12 0x12 = DS5 1854 * 0x07 = OFDM18 0x13 = DS11 1855 * 0x08 = OFDM24 1856 * 0x09 = OFDM36 1857 * 0x0a = OFDM48 1858 * 0x0b = OFDM54 1859 */ 1860 const uint8_t rateset_auto_11b[] = 1861 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 1862 const uint8_t rateset_auto_11g[] = 1863 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 1864 const uint8_t rateset_fix_11bg[] = 1865 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 1866 0x08, 0x09, 0x0a, 0x0b }; 1867 1868 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) { 1869 /* 1870 * Automatic rate control is done by the device. 1871 * We just pass the rateset from which the device 1872 * will pickup a rate. 1873 */ 1874 if (ic->ic_curmode == IEEE80211_MODE_11B) 1875 memcpy(sc->sc_cur_rateset, rateset_auto_11b, 1876 sizeof(sc->sc_cur_rateset)); 1877 if (ic->ic_curmode == IEEE80211_MODE_11G || 1878 ic->ic_curmode == IEEE80211_MODE_AUTO) 1879 memcpy(sc->sc_cur_rateset, rateset_auto_11g, 1880 sizeof(sc->sc_cur_rateset)); 1881 } else { 1882 /* set a fixed rate */ 1883 memset(sc->sc_cur_rateset, rateset_fix_11bg[ic->ic_fixed_rate], 1884 sizeof(sc->sc_cur_rateset)); 1885 } 1886 } 1887 1888 static uint8_t 1889 upgt_rx_rate(struct upgt_softc *sc, const int rate) 1890 { 1891 struct ieee80211com *ic = &sc->sc_ic; 1892 1893 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1894 if (rate < 0 || rate > 3) 1895 /* invalid rate */ 1896 return 0; 1897 1898 switch (rate) { 1899 case 0: 1900 return 2; 1901 case 1: 1902 return 4; 1903 case 2: 1904 return 11; 1905 case 3: 1906 return 22; 1907 default: 1908 return 0; 1909 } 1910 } 1911 1912 if (ic->ic_curmode == IEEE80211_MODE_11G) { 1913 if (rate < 0 || rate > 11) 1914 /* invalid rate */ 1915 return 0; 1916 1917 switch (rate) { 1918 case 0: 1919 return 2; 1920 case 1: 1921 return 4; 1922 case 2: 1923 return 11; 1924 case 3: 1925 return 22; 1926 case 4: 1927 return 12; 1928 case 5: 1929 return 18; 1930 case 6: 1931 return 24; 1932 case 7: 1933 return 36; 1934 case 8: 1935 return 48; 1936 case 9: 1937 return 72; 1938 case 10: 1939 return 96; 1940 case 11: 1941 return 108; 1942 default: 1943 return 0; 1944 } 1945 } 1946 1947 return 0; 1948 } 1949 1950 static int 1951 upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 1952 { 1953 struct ieee80211com *ic = &sc->sc_ic; 1954 struct ieee80211_node *ni = ic->ic_bss; 1955 struct upgt_data *data_cmd = &sc->cmd_data; 1956 struct upgt_lmac_mem *mem; 1957 struct upgt_lmac_filter *filter; 1958 int len; 1959 const uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1960 1961 /* 1962 * Transmit the URB containing the CMD data. 1963 */ 1964 len = sizeof(*mem) + sizeof(*filter); 1965 1966 memset(data_cmd->buf, 0, len); 1967 1968 mem = (struct upgt_lmac_mem *)data_cmd->buf; 1969 mem->addr = htole32(sc->sc_memaddr_frame_start + 1970 UPGT_MEMSIZE_FRAME_HEAD); 1971 1972 filter = (struct upgt_lmac_filter *)(mem + 1); 1973 1974 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 1975 filter->header1.type = UPGT_H1_TYPE_CTRL; 1976 filter->header1.len = htole16( 1977 sizeof(struct upgt_lmac_filter) - 1978 sizeof(struct upgt_lmac_header)); 1979 1980 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 1981 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 1982 filter->header2.flags = 0; 1983 1984 switch (state) { 1985 case IEEE80211_S_INIT: 1986 DPRINTF(1, "%s: set MAC filter to INIT\n", 1987 device_xname(sc->sc_dev)); 1988 1989 filter->type = htole16(UPGT_FILTER_TYPE_RESET); 1990 break; 1991 case IEEE80211_S_SCAN: 1992 DPRINTF(1, "%s: set MAC filter to SCAN (bssid %s)\n", 1993 device_xname(sc->sc_dev), ether_sprintf(broadcast)); 1994 1995 filter->type = htole16(UPGT_FILTER_TYPE_NONE); 1996 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 1997 IEEE80211_ADDR_COPY(filter->src, broadcast); 1998 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 1999 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2000 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2001 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2002 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2003 break; 2004 case IEEE80211_S_RUN: 2005 DPRINTF(1, "%s: set MAC filter to RUN (bssid %s)\n", 2006 device_xname(sc->sc_dev), ether_sprintf(ni->ni_bssid)); 2007 2008 filter->type = htole16(UPGT_FILTER_TYPE_STA); 2009 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2010 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 2011 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2012 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2013 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2014 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2015 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2016 break; 2017 default: 2018 aprint_error_dev(sc->sc_dev, 2019 "MAC filter does not know that state\n"); 2020 break; 2021 } 2022 2023 mem->chksum = upgt_chksum_le((uint32_t *)filter, sizeof(*filter)); 2024 2025 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2026 aprint_error_dev(sc->sc_dev, 2027 "could not transmit macfilter CMD data URB\n"); 2028 return EIO; 2029 } 2030 2031 return 0; 2032 } 2033 2034 static int 2035 upgt_set_channel(struct upgt_softc *sc, unsigned channel) 2036 { 2037 struct upgt_data *data_cmd = &sc->cmd_data; 2038 struct upgt_lmac_mem *mem; 2039 struct upgt_lmac_channel *chan; 2040 int len; 2041 2042 DPRINTF(1, "%s: %s: %d\n", device_xname(sc->sc_dev), __func__, 2043 channel); 2044 2045 /* 2046 * Transmit the URB containing the CMD data. 2047 */ 2048 len = sizeof(*mem) + sizeof(*chan); 2049 2050 memset(data_cmd->buf, 0, len); 2051 2052 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2053 mem->addr = htole32(sc->sc_memaddr_frame_start + 2054 UPGT_MEMSIZE_FRAME_HEAD); 2055 2056 chan = (struct upgt_lmac_channel *)(mem + 1); 2057 2058 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2059 chan->header1.type = UPGT_H1_TYPE_CTRL; 2060 chan->header1.len = htole16( 2061 sizeof(struct upgt_lmac_channel) - 2062 sizeof(struct upgt_lmac_header)); 2063 2064 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2065 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 2066 chan->header2.flags = 0; 2067 2068 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 2069 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 2070 chan->freq6 = sc->sc_eeprom_freq6[channel]; 2071 chan->settings = sc->sc_eeprom_freq6_settings; 2072 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 2073 2074 memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 2075 sizeof(chan->freq3_1)); 2076 2077 memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 2078 sizeof(sc->sc_eeprom_freq4[channel])); 2079 2080 memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 2081 sizeof(chan->freq3_2)); 2082 2083 mem->chksum = upgt_chksum_le((uint32_t *)chan, sizeof(*chan)); 2084 2085 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2086 aprint_error_dev(sc->sc_dev, 2087 "could not transmit channel CMD data URB\n"); 2088 return EIO; 2089 } 2090 2091 return 0; 2092 } 2093 2094 static void 2095 upgt_set_led(struct upgt_softc *sc, int action) 2096 { 2097 struct ieee80211com *ic = &sc->sc_ic; 2098 struct upgt_data *data_cmd = &sc->cmd_data; 2099 struct upgt_lmac_mem *mem; 2100 struct upgt_lmac_led *led; 2101 struct timeval t; 2102 int len; 2103 2104 /* 2105 * Transmit the URB containing the CMD data. 2106 */ 2107 len = sizeof(*mem) + sizeof(*led); 2108 2109 memset(data_cmd->buf, 0, len); 2110 2111 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2112 mem->addr = htole32(sc->sc_memaddr_frame_start + 2113 UPGT_MEMSIZE_FRAME_HEAD); 2114 2115 led = (struct upgt_lmac_led *)(mem + 1); 2116 2117 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2118 led->header1.type = UPGT_H1_TYPE_CTRL; 2119 led->header1.len = htole16( 2120 sizeof(struct upgt_lmac_led) - 2121 sizeof(struct upgt_lmac_header)); 2122 2123 led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2124 led->header2.type = htole16(UPGT_H2_TYPE_LED); 2125 led->header2.flags = 0; 2126 2127 switch (action) { 2128 case UPGT_LED_OFF: 2129 led->mode = htole16(UPGT_LED_MODE_SET); 2130 led->action_fix = 0; 2131 led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 2132 led->action_tmp_dur = 0; 2133 break; 2134 case UPGT_LED_ON: 2135 led->mode = htole16(UPGT_LED_MODE_SET); 2136 led->action_fix = 0; 2137 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2138 led->action_tmp_dur = 0; 2139 break; 2140 case UPGT_LED_BLINK: 2141 if (ic->ic_state != IEEE80211_S_RUN) 2142 return; 2143 if (sc->sc_led_blink) 2144 /* previous blink was not finished */ 2145 return; 2146 led->mode = htole16(UPGT_LED_MODE_SET); 2147 led->action_fix = htole16(UPGT_LED_ACTION_OFF); 2148 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2149 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 2150 /* lock blink */ 2151 sc->sc_led_blink = 1; 2152 t.tv_sec = 0; 2153 t.tv_usec = UPGT_LED_ACTION_TMP_DUR * 1000L; 2154 callout_schedule(&sc->led_to, tvtohz(&t)); 2155 break; 2156 default: 2157 return; 2158 } 2159 2160 mem->chksum = upgt_chksum_le((uint32_t *)led, sizeof(*led)); 2161 2162 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2163 aprint_error_dev(sc->sc_dev, 2164 "could not transmit led CMD URB\n"); 2165 } 2166 } 2167 2168 static void 2169 upgt_set_led_blink(void *arg) 2170 { 2171 struct upgt_softc *sc = arg; 2172 2173 /* blink finished, we are ready for a next one */ 2174 sc->sc_led_blink = 0; 2175 callout_stop(&sc->led_to); 2176 } 2177 2178 static int 2179 upgt_get_stats(struct upgt_softc *sc) 2180 { 2181 struct upgt_data *data_cmd = &sc->cmd_data; 2182 struct upgt_lmac_mem *mem; 2183 struct upgt_lmac_stats *stats; 2184 int len; 2185 2186 /* 2187 * Transmit the URB containing the CMD data. 2188 */ 2189 len = sizeof(*mem) + sizeof(*stats); 2190 2191 memset(data_cmd->buf, 0, len); 2192 2193 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2194 mem->addr = htole32(sc->sc_memaddr_frame_start + 2195 UPGT_MEMSIZE_FRAME_HEAD); 2196 2197 stats = (struct upgt_lmac_stats *)(mem + 1); 2198 2199 stats->header1.flags = 0; 2200 stats->header1.type = UPGT_H1_TYPE_CTRL; 2201 stats->header1.len = htole16( 2202 sizeof(struct upgt_lmac_stats) - 2203 sizeof(struct upgt_lmac_header)); 2204 2205 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2206 stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 2207 stats->header2.flags = 0; 2208 2209 mem->chksum = upgt_chksum_le((uint32_t *)stats, sizeof(*stats)); 2210 2211 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2212 aprint_error_dev(sc->sc_dev, 2213 "could not transmit statistics CMD data URB\n"); 2214 return EIO; 2215 } 2216 2217 return 0; 2218 2219 } 2220 2221 static int 2222 upgt_alloc_tx(struct upgt_softc *sc) 2223 { 2224 int i; 2225 2226 sc->tx_queued = 0; 2227 2228 for (i = 0; i < UPGT_TX_COUNT; i++) { 2229 struct upgt_data *data_tx = &sc->tx_data[i]; 2230 2231 data_tx->sc = sc; 2232 2233 data_tx->xfer = usbd_alloc_xfer(sc->sc_udev); 2234 if (data_tx->xfer == NULL) { 2235 aprint_error_dev(sc->sc_dev, 2236 "could not allocate TX xfer\n"); 2237 return ENOMEM; 2238 } 2239 2240 data_tx->buf = usbd_alloc_buffer(data_tx->xfer, MCLBYTES); 2241 if (data_tx->buf == NULL) { 2242 aprint_error_dev(sc->sc_dev, 2243 "could not allocate TX buffer\n"); 2244 return ENOMEM; 2245 } 2246 } 2247 2248 return 0; 2249 } 2250 2251 static int 2252 upgt_alloc_rx(struct upgt_softc *sc) 2253 { 2254 struct upgt_data *data_rx = &sc->rx_data; 2255 2256 data_rx->sc = sc; 2257 2258 data_rx->xfer = usbd_alloc_xfer(sc->sc_udev); 2259 if (data_rx->xfer == NULL) { 2260 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2261 return ENOMEM; 2262 } 2263 2264 data_rx->buf = usbd_alloc_buffer(data_rx->xfer, MCLBYTES); 2265 if (data_rx->buf == NULL) { 2266 aprint_error_dev(sc->sc_dev, 2267 "could not allocate RX buffer\n"); 2268 return ENOMEM; 2269 } 2270 2271 return 0; 2272 } 2273 2274 static int 2275 upgt_alloc_cmd(struct upgt_softc *sc) 2276 { 2277 struct upgt_data *data_cmd = &sc->cmd_data; 2278 2279 data_cmd->sc = sc; 2280 2281 data_cmd->xfer = usbd_alloc_xfer(sc->sc_udev); 2282 if (data_cmd->xfer == NULL) { 2283 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2284 return ENOMEM; 2285 } 2286 2287 data_cmd->buf = usbd_alloc_buffer(data_cmd->xfer, MCLBYTES); 2288 if (data_cmd->buf == NULL) { 2289 aprint_error_dev(sc->sc_dev, 2290 "could not allocate RX buffer\n"); 2291 return ENOMEM; 2292 } 2293 2294 mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_SOFTNET); 2295 2296 return 0; 2297 } 2298 2299 static void 2300 upgt_free_tx(struct upgt_softc *sc) 2301 { 2302 int i; 2303 2304 for (i = 0; i < UPGT_TX_COUNT; i++) { 2305 struct upgt_data *data_tx = &sc->tx_data[i]; 2306 2307 if (data_tx->xfer != NULL) { 2308 usbd_free_xfer(data_tx->xfer); 2309 data_tx->xfer = NULL; 2310 } 2311 2312 data_tx->ni = NULL; 2313 } 2314 } 2315 2316 static void 2317 upgt_free_rx(struct upgt_softc *sc) 2318 { 2319 struct upgt_data *data_rx = &sc->rx_data; 2320 2321 if (data_rx->xfer != NULL) { 2322 usbd_free_xfer(data_rx->xfer); 2323 data_rx->xfer = NULL; 2324 } 2325 2326 data_rx->ni = NULL; 2327 } 2328 2329 static void 2330 upgt_free_cmd(struct upgt_softc *sc) 2331 { 2332 struct upgt_data *data_cmd = &sc->cmd_data; 2333 2334 if (data_cmd->xfer != NULL) { 2335 usbd_free_xfer(data_cmd->xfer); 2336 data_cmd->xfer = NULL; 2337 } 2338 2339 mutex_destroy(&sc->sc_mtx); 2340 } 2341 2342 static int 2343 upgt_bulk_xmit(struct upgt_softc *sc, struct upgt_data *data, 2344 usbd_pipe_handle pipeh, uint32_t *size, int flags) 2345 { 2346 usbd_status status; 2347 2348 status = usbd_bulk_transfer(data->xfer, pipeh, 2349 USBD_NO_COPY | flags, UPGT_USB_TIMEOUT, data->buf, size, 2350 "upgt_bulk_xmit"); 2351 if (status != USBD_NORMAL_COMPLETION) { 2352 aprint_error_dev(sc->sc_dev, "%s: error %s\n", __func__, 2353 usbd_errstr(status)); 2354 return EIO; 2355 } 2356 2357 return 0; 2358 } 2359 2360 #if 0 2361 static void 2362 upgt_hexdump(void *buf, int len) 2363 { 2364 int i; 2365 2366 for (i = 0; i < len; i++) { 2367 if (i % 16 == 0) 2368 printf("%s%5i:", i ? "\n" : "", i); 2369 if (i % 4 == 0) 2370 printf(" "); 2371 printf("%02x", (int)*((uint8_t *)buf + i)); 2372 } 2373 printf("\n"); 2374 } 2375 #endif 2376 2377 static uint32_t 2378 upgt_crc32_le(const void *buf, size_t size) 2379 { 2380 uint32_t crc; 2381 2382 crc = ether_crc32_le(buf, size); 2383 2384 /* apply final XOR value as common for CRC-32 */ 2385 crc = htole32(crc ^ 0xffffffffU); 2386 2387 return crc; 2388 } 2389 2390 /* 2391 * The firmware awaits a checksum for each frame we send to it. 2392 * The algorithm used therefor is uncommon but somehow similar to CRC32. 2393 */ 2394 static uint32_t 2395 upgt_chksum_le(const uint32_t *buf, size_t size) 2396 { 2397 int i; 2398 uint32_t crc = 0; 2399 2400 for (i = 0; i < size; i += sizeof(uint32_t)) { 2401 crc = htole32(crc ^ *buf++); 2402 crc = htole32((crc >> 5) ^ (crc << 3)); 2403 } 2404 2405 return crc; 2406 } 2407
Indexes created Thu Oct 02 14:10:14 GMT 2025