if_upgt.c revision 1.12.2.1
1 /* $NetBSD: if_upgt.c,v 1.12.2.1 2017/04/05 19:54:19 snj 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 1.12.2.1 2017/04/05 19:54:19 snj 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 usb_rem_task(sc->sc_udev, &sc->sc_task_newstate); 508 usb_rem_task(sc->sc_udev, &sc->sc_task_tx); 509 callout_destroy(&sc->scan_to); 510 callout_destroy(&sc->led_to); 511 512 /* abort and close TX / RX pipes */ 513 if (sc->sc_tx_pipeh != NULL) { 514 usbd_abort_pipe(sc->sc_tx_pipeh); 515 } 516 if (sc->sc_rx_pipeh != NULL) { 517 usbd_abort_pipe(sc->sc_rx_pipeh); 518 } 519 520 /* free xfers */ 521 upgt_free_tx(sc); 522 upgt_free_rx(sc); 523 upgt_free_cmd(sc); 524 525 /* Close TX / RX pipes */ 526 if (sc->sc_tx_pipeh != NULL) { 527 usbd_close_pipe(sc->sc_tx_pipeh); 528 } 529 if (sc->sc_rx_pipeh != NULL) { 530 usbd_close_pipe(sc->sc_rx_pipeh); 531 } 532 533 /* free firmware */ 534 upgt_fw_free(sc); 535 536 if (sc->sc_flags & UPGT_DEVICE_ATTACHED) { 537 /* detach interface */ 538 bpf_detach(ifp); 539 ieee80211_ifdetach(ic); 540 if_detach(ifp); 541 } 542 543 splx(s); 544 545 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 546 547 return 0; 548 } 549 550 static int 551 upgt_activate(device_t self, devact_t act) 552 { 553 struct upgt_softc *sc = device_private(self); 554 555 switch (act) { 556 case DVACT_DEACTIVATE: 557 if_deactivate(&sc->sc_if); 558 return 0; 559 default: 560 return EOPNOTSUPP; 561 } 562 } 563 564 static int 565 upgt_device_type(struct upgt_softc *sc, uint16_t vendor, uint16_t product) 566 { 567 568 if (usb_lookup(upgt_devs_1, vendor, product) != NULL) { 569 sc->sc_device_type = 1; 570 /* XXX */ 571 aprint_error_dev(sc->sc_dev, 572 "version 1 devices not supported yet\n"); 573 return 1; 574 } else 575 sc->sc_device_type = 2; 576 577 return 0; 578 } 579 580 static int 581 upgt_device_init(struct upgt_softc *sc) 582 { 583 struct upgt_data *data_cmd = &sc->cmd_data; 584 const uint8_t init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 585 int len; 586 587 len = sizeof(init_cmd); 588 memcpy(data_cmd->buf, init_cmd, len); 589 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 590 aprint_error_dev(sc->sc_dev, 591 "could not send device init string\n"); 592 return EIO; 593 } 594 usbd_delay_ms(sc->sc_udev, 100); 595 596 DPRINTF(1, "%s: device initialized\n", device_xname(sc->sc_dev)); 597 598 return 0; 599 } 600 601 static int 602 upgt_mem_init(struct upgt_softc *sc) 603 { 604 int i; 605 606 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 607 sc->sc_memory.page[i].used = 0; 608 609 if (i == 0) { 610 /* 611 * The first memory page is always reserved for 612 * command data. 613 */ 614 sc->sc_memory.page[i].addr = 615 sc->sc_memaddr_frame_start + MCLBYTES; 616 } else { 617 sc->sc_memory.page[i].addr = 618 sc->sc_memory.page[i - 1].addr + MCLBYTES; 619 } 620 621 if (sc->sc_memory.page[i].addr + MCLBYTES >= 622 sc->sc_memaddr_frame_end) 623 break; 624 625 DPRINTF(2, "%s: memory address page %d=0x%08x\n", 626 device_xname(sc->sc_dev), i, sc->sc_memory.page[i].addr); 627 } 628 629 sc->sc_memory.pages = i; 630 631 DPRINTF(2, "%s: memory pages=%d\n", 632 device_xname(sc->sc_dev), sc->sc_memory.pages); 633 634 return 0; 635 } 636 637 static uint32_t 638 upgt_mem_alloc(struct upgt_softc *sc) 639 { 640 int i; 641 642 for (i = 0; i < sc->sc_memory.pages; i++) { 643 if (sc->sc_memory.page[i].used == 0) { 644 sc->sc_memory.page[i].used = 1; 645 return sc->sc_memory.page[i].addr; 646 } 647 } 648 649 return 0; 650 } 651 652 static void 653 upgt_mem_free(struct upgt_softc *sc, uint32_t addr) 654 { 655 int i; 656 657 for (i = 0; i < sc->sc_memory.pages; i++) { 658 if (sc->sc_memory.page[i].addr == addr) { 659 sc->sc_memory.page[i].used = 0; 660 return; 661 } 662 } 663 664 aprint_error_dev(sc->sc_dev, "could not free memory address 0x%08x\n", 665 addr); 666 } 667 668 669 static int 670 upgt_fw_alloc(struct upgt_softc *sc) 671 { 672 const char *name = "upgt-gw3887"; 673 int error; 674 675 if (sc->sc_fw == NULL) { 676 error = firmware_load("upgt", name, &sc->sc_fw, 677 &sc->sc_fw_size); 678 if (error != 0) { 679 if (error == ENOENT) { 680 /* 681 * The firmware file for upgt(4) is not in 682 * the default distribution due to its lisence 683 * so explicitly notify it if the firmware file 684 * is not found. 685 */ 686 aprint_error_dev(sc->sc_dev, 687 "firmware file %s is not installed\n", 688 name); 689 aprint_error_dev(sc->sc_dev, 690 "(it is not included in the default" 691 " distribution)\n"); 692 aprint_error_dev(sc->sc_dev, 693 "see upgt(4) man page for details about " 694 "firmware installation\n"); 695 } else { 696 aprint_error_dev(sc->sc_dev, 697 "could not read firmware %s\n", name); 698 } 699 return EIO; 700 } 701 } 702 703 DPRINTF(1, "%s: firmware %s allocated\n", device_xname(sc->sc_dev), 704 name); 705 706 return 0; 707 } 708 709 static void 710 upgt_fw_free(struct upgt_softc *sc) 711 { 712 713 if (sc->sc_fw != NULL) { 714 firmware_free(sc->sc_fw, sc->sc_fw_size); 715 sc->sc_fw = NULL; 716 DPRINTF(1, "%s: firmware freed\n", device_xname(sc->sc_dev)); 717 } 718 } 719 720 static int 721 upgt_fw_verify(struct upgt_softc *sc) 722 { 723 struct upgt_fw_bra_option *bra_option; 724 uint32_t bra_option_type, bra_option_len; 725 uint32_t *uc; 726 int offset, bra_end = 0; 727 728 /* 729 * Seek to beginning of Boot Record Area (BRA). 730 */ 731 for (offset = 0; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 732 uc = (uint32_t *)(sc->sc_fw + offset); 733 if (*uc == 0) 734 break; 735 } 736 for (; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 737 uc = (uint32_t *)(sc->sc_fw + offset); 738 if (*uc != 0) 739 break; 740 } 741 if (offset == sc->sc_fw_size) { 742 aprint_error_dev(sc->sc_dev, 743 "firmware Boot Record Area not found\n"); 744 return EIO; 745 } 746 DPRINTF(1, "%s: firmware Boot Record Area found at offset %d\n", 747 device_xname(sc->sc_dev), offset); 748 749 /* 750 * Parse Boot Record Area (BRA) options. 751 */ 752 while (offset < sc->sc_fw_size && bra_end == 0) { 753 /* get current BRA option */ 754 bra_option = (struct upgt_fw_bra_option *)(sc->sc_fw + offset); 755 bra_option_type = le32toh(bra_option->type); 756 bra_option_len = le32toh(bra_option->len) * sizeof(*uc); 757 758 switch (bra_option_type) { 759 case UPGT_BRA_TYPE_FW: 760 DPRINTF(1, "%s: UPGT_BRA_TYPE_FW len=%d\n", 761 device_xname(sc->sc_dev), bra_option_len); 762 763 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 764 aprint_error_dev(sc->sc_dev, 765 "wrong UPGT_BRA_TYPE_FW len\n"); 766 return EIO; 767 } 768 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_option->data, 769 bra_option_len) == 0) { 770 sc->sc_fw_type = UPGT_FWTYPE_LM86; 771 break; 772 } 773 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_option->data, 774 bra_option_len) == 0) { 775 sc->sc_fw_type = UPGT_FWTYPE_LM87; 776 break; 777 } 778 if (memcmp(UPGT_BRA_FWTYPE_FMAC, bra_option->data, 779 bra_option_len) == 0) { 780 sc->sc_fw_type = UPGT_FWTYPE_FMAC; 781 break; 782 } 783 aprint_error_dev(sc->sc_dev, 784 "unsupported firmware type\n"); 785 return EIO; 786 case UPGT_BRA_TYPE_VERSION: 787 DPRINTF(1, "%s: UPGT_BRA_TYPE_VERSION len=%d\n", 788 device_xname(sc->sc_dev), bra_option_len); 789 break; 790 case UPGT_BRA_TYPE_DEPIF: 791 DPRINTF(1, "%s: UPGT_BRA_TYPE_DEPIF len=%d\n", 792 device_xname(sc->sc_dev), bra_option_len); 793 break; 794 case UPGT_BRA_TYPE_EXPIF: 795 DPRINTF(1, "%s: UPGT_BRA_TYPE_EXPIF len=%d\n", 796 device_xname(sc->sc_dev), bra_option_len); 797 break; 798 case UPGT_BRA_TYPE_DESCR: 799 DPRINTF(1, "%s: UPGT_BRA_TYPE_DESCR len=%d\n", 800 device_xname(sc->sc_dev), bra_option_len); 801 802 struct upgt_fw_bra_descr *descr = 803 (struct upgt_fw_bra_descr *)bra_option->data; 804 805 sc->sc_memaddr_frame_start = 806 le32toh(descr->memaddr_space_start); 807 sc->sc_memaddr_frame_end = 808 le32toh(descr->memaddr_space_end); 809 810 DPRINTF(2, "%s: memory address space start=0x%08x\n", 811 device_xname(sc->sc_dev), 812 sc->sc_memaddr_frame_start); 813 DPRINTF(2, "%s: memory address space end=0x%08x\n", 814 device_xname(sc->sc_dev), 815 sc->sc_memaddr_frame_end); 816 break; 817 case UPGT_BRA_TYPE_END: 818 DPRINTF(1, "%s: UPGT_BRA_TYPE_END len=%d\n", 819 device_xname(sc->sc_dev), bra_option_len); 820 bra_end = 1; 821 break; 822 default: 823 DPRINTF(1, "%s: unknown BRA option len=%d\n", 824 device_xname(sc->sc_dev), bra_option_len); 825 return EIO; 826 } 827 828 /* jump to next BRA option */ 829 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 830 } 831 832 DPRINTF(1, "%s: firmware verified\n", device_xname(sc->sc_dev)); 833 834 return 0; 835 } 836 837 static int 838 upgt_fw_load(struct upgt_softc *sc) 839 { 840 struct upgt_data *data_cmd = &sc->cmd_data; 841 struct upgt_data *data_rx = &sc->rx_data; 842 struct upgt_fw_x2_header *x2; 843 const uint8_t start_fwload_cmd[] = { 0x3c, 0x0d }; 844 int offset, bsize, n, i, len; 845 uint32_t crc; 846 847 /* send firmware start load command */ 848 len = sizeof(start_fwload_cmd); 849 memcpy(data_cmd->buf, start_fwload_cmd, len); 850 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 851 aprint_error_dev(sc->sc_dev, 852 "could not send start_firmware_load command\n"); 853 return EIO; 854 } 855 856 /* send X2 header */ 857 len = sizeof(struct upgt_fw_x2_header); 858 x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 859 memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 860 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 861 x2->len = htole32(sc->sc_fw_size); 862 x2->crc = upgt_crc32_le(data_cmd->buf + UPGT_X2_SIGNATURE_SIZE, 863 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 864 sizeof(uint32_t)); 865 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 866 aprint_error_dev(sc->sc_dev, 867 "could not send firmware X2 header\n"); 868 return EIO; 869 } 870 871 /* download firmware */ 872 for (offset = 0; offset < sc->sc_fw_size; offset += bsize) { 873 if (sc->sc_fw_size - offset > UPGT_FW_BLOCK_SIZE) 874 bsize = UPGT_FW_BLOCK_SIZE; 875 else 876 bsize = sc->sc_fw_size - offset; 877 878 n = upgt_fw_copy(sc->sc_fw + offset, data_cmd->buf, bsize); 879 880 DPRINTF(1, "%s: FW offset=%d, read=%d, sent=%d\n", 881 device_xname(sc->sc_dev), offset, n, bsize); 882 883 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &bsize, 0) 884 != 0) { 885 aprint_error_dev(sc->sc_dev, 886 "error while downloading firmware block\n"); 887 return EIO; 888 } 889 890 bsize = n; 891 } 892 DPRINTF(1, "%s: firmware downloaded\n", device_xname(sc->sc_dev)); 893 894 /* load firmware */ 895 crc = upgt_crc32_le(sc->sc_fw, sc->sc_fw_size); 896 *((uint32_t *)(data_cmd->buf) ) = crc; 897 *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 898 *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 899 len = 6; 900 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 901 aprint_error_dev(sc->sc_dev, 902 "could not send load_firmware command\n"); 903 return EIO; 904 } 905 906 for (i = 0; i < UPGT_FIRMWARE_TIMEOUT; i++) { 907 len = UPGT_FW_BLOCK_SIZE; 908 memset(data_rx->buf, 0, 2); 909 if (upgt_bulk_xmit(sc, data_rx, sc->sc_rx_pipeh, &len, 910 USBD_SHORT_XFER_OK) != 0) { 911 aprint_error_dev(sc->sc_dev, 912 "could not read firmware response\n"); 913 return EIO; 914 } 915 916 if (memcmp(data_rx->buf, "OK", 2) == 0) 917 break; /* firmware load was successful */ 918 } 919 if (i == UPGT_FIRMWARE_TIMEOUT) { 920 aprint_error_dev(sc->sc_dev, "firmware load failed\n"); 921 return EIO; 922 } 923 DPRINTF(1, "%s: firmware loaded\n", device_xname(sc->sc_dev)); 924 925 return 0; 926 } 927 928 /* 929 * While copying the version 2 firmware, we need to replace two characters: 930 * 931 * 0x7e -> 0x7d 0x5e 932 * 0x7d -> 0x7d 0x5d 933 */ 934 static int 935 upgt_fw_copy(char *src, char *dst, int size) 936 { 937 int i, j; 938 939 for (i = 0, j = 0; i < size && j < size; i++) { 940 switch (src[i]) { 941 case 0x7e: 942 dst[j] = 0x7d; 943 j++; 944 dst[j] = 0x5e; 945 j++; 946 break; 947 case 0x7d: 948 dst[j] = 0x7d; 949 j++; 950 dst[j] = 0x5d; 951 j++; 952 break; 953 default: 954 dst[j] = src[i]; 955 j++; 956 break; 957 } 958 } 959 960 return i; 961 } 962 963 static int 964 upgt_eeprom_read(struct upgt_softc *sc) 965 { 966 struct upgt_data *data_cmd = &sc->cmd_data; 967 struct upgt_lmac_mem *mem; 968 struct upgt_lmac_eeprom *eeprom; 969 int offset, block, len; 970 971 offset = 0; 972 block = UPGT_EEPROM_BLOCK_SIZE; 973 while (offset < UPGT_EEPROM_SIZE) { 974 DPRINTF(1, "%s: request EEPROM block (offset=%d, len=%d)\n", 975 device_xname(sc->sc_dev), offset, block); 976 977 /* 978 * Transmit the URB containing the CMD data. 979 */ 980 len = sizeof(*mem) + sizeof(*eeprom) + block; 981 982 memset(data_cmd->buf, 0, len); 983 984 mem = (struct upgt_lmac_mem *)data_cmd->buf; 985 mem->addr = htole32(sc->sc_memaddr_frame_start + 986 UPGT_MEMSIZE_FRAME_HEAD); 987 988 eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 989 eeprom->header1.flags = 0; 990 eeprom->header1.type = UPGT_H1_TYPE_CTRL; 991 eeprom->header1.len = htole16(( 992 sizeof(struct upgt_lmac_eeprom) - 993 sizeof(struct upgt_lmac_header)) + block); 994 995 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 996 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 997 eeprom->header2.flags = 0; 998 999 eeprom->offset = htole16(offset); 1000 eeprom->len = htole16(block); 1001 1002 mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1003 len - sizeof(*mem)); 1004 1005 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 1006 USBD_FORCE_SHORT_XFER) != 0) { 1007 aprint_error_dev(sc->sc_dev, 1008 "could not transmit EEPROM data URB\n"); 1009 return EIO; 1010 } 1011 1012 mutex_enter(&sc->sc_mtx); 1013 int res = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, UPGT_USB_TIMEOUT); 1014 mutex_exit(&sc->sc_mtx); 1015 if (res) { 1016 aprint_error_dev(sc->sc_dev, 1017 "timeout while waiting for EEPROM data\n"); 1018 return EIO; 1019 } 1020 1021 offset += block; 1022 if (UPGT_EEPROM_SIZE - offset < block) 1023 block = UPGT_EEPROM_SIZE - offset; 1024 } 1025 1026 return 0; 1027 } 1028 1029 static int 1030 upgt_eeprom_parse(struct upgt_softc *sc) 1031 { 1032 struct ieee80211com *ic = &sc->sc_ic; 1033 struct upgt_eeprom_header *eeprom_header; 1034 struct upgt_eeprom_option *eeprom_option; 1035 uint16_t option_len; 1036 uint16_t option_type; 1037 uint16_t preamble_len; 1038 int option_end = 0; 1039 1040 /* calculate eeprom options start offset */ 1041 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1042 preamble_len = le16toh(eeprom_header->preamble_len); 1043 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1044 (sizeof(struct upgt_eeprom_header) + preamble_len)); 1045 1046 while (!option_end) { 1047 /* the eeprom option length is stored in words */ 1048 option_len = 1049 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1050 option_type = 1051 le16toh(eeprom_option->type); 1052 1053 switch (option_type) { 1054 case UPGT_EEPROM_TYPE_NAME: 1055 DPRINTF(1, "%s: EEPROM name len=%d\n", 1056 device_xname(sc->sc_dev), option_len); 1057 break; 1058 case UPGT_EEPROM_TYPE_SERIAL: 1059 DPRINTF(1, "%s: EEPROM serial len=%d\n", 1060 device_xname(sc->sc_dev), option_len); 1061 break; 1062 case UPGT_EEPROM_TYPE_MAC: 1063 DPRINTF(1, "%s: EEPROM mac len=%d\n", 1064 device_xname(sc->sc_dev), option_len); 1065 1066 IEEE80211_ADDR_COPY(ic->ic_myaddr, eeprom_option->data); 1067 break; 1068 case UPGT_EEPROM_TYPE_HWRX: 1069 DPRINTF(1, "%s: EEPROM hwrx len=%d\n", 1070 device_xname(sc->sc_dev), option_len); 1071 1072 upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1073 break; 1074 case UPGT_EEPROM_TYPE_CHIP: 1075 DPRINTF(1, "%s: EEPROM chip len=%d\n", 1076 device_xname(sc->sc_dev), option_len); 1077 break; 1078 case UPGT_EEPROM_TYPE_FREQ3: 1079 DPRINTF(1, "%s: EEPROM freq3 len=%d\n", 1080 device_xname(sc->sc_dev), option_len); 1081 1082 upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1083 option_len); 1084 break; 1085 case UPGT_EEPROM_TYPE_FREQ4: 1086 DPRINTF(1, "%s: EEPROM freq4 len=%d\n", 1087 device_xname(sc->sc_dev), option_len); 1088 1089 upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1090 option_len); 1091 break; 1092 case UPGT_EEPROM_TYPE_FREQ5: 1093 DPRINTF(1, "%s: EEPROM freq5 len=%d\n", 1094 device_xname(sc->sc_dev), option_len); 1095 break; 1096 case UPGT_EEPROM_TYPE_FREQ6: 1097 DPRINTF(1, "%s: EEPROM freq6 len=%d\n", 1098 device_xname(sc->sc_dev), option_len); 1099 1100 upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1101 option_len); 1102 break; 1103 case UPGT_EEPROM_TYPE_END: 1104 DPRINTF(1, "%s: EEPROM end len=%d\n", 1105 device_xname(sc->sc_dev), option_len); 1106 option_end = 1; 1107 break; 1108 case UPGT_EEPROM_TYPE_OFF: 1109 DPRINTF(1, "%s: EEPROM off without end option\n", 1110 device_xname(sc->sc_dev)); 1111 return EIO; 1112 default: 1113 DPRINTF(1, "%s: EEPROM unknown type 0x%04x len=%d\n", 1114 device_xname(sc->sc_dev), option_type, option_len); 1115 break; 1116 } 1117 1118 /* jump to next EEPROM option */ 1119 eeprom_option = (struct upgt_eeprom_option *) 1120 (eeprom_option->data + option_len); 1121 } 1122 1123 return 0; 1124 } 1125 1126 static void 1127 upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1128 { 1129 struct upgt_eeprom_option_hwrx *option_hwrx; 1130 1131 option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1132 1133 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1134 1135 DPRINTF(2, "%s: hwrx option value=0x%04x\n", 1136 device_xname(sc->sc_dev), sc->sc_eeprom_hwrx); 1137 } 1138 1139 static void 1140 upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1141 { 1142 struct upgt_eeprom_freq3_header *freq3_header; 1143 struct upgt_lmac_freq3 *freq3; 1144 int i, elements, flags; 1145 unsigned channel; 1146 1147 freq3_header = (struct upgt_eeprom_freq3_header *)data; 1148 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1149 1150 flags = freq3_header->flags; 1151 elements = freq3_header->elements; 1152 1153 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1154 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1155 __USE(flags); 1156 1157 for (i = 0; i < elements; i++) { 1158 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1159 1160 sc->sc_eeprom_freq3[channel] = freq3[i]; 1161 1162 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1163 device_xname(sc->sc_dev), 1164 le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1165 } 1166 } 1167 1168 static void 1169 upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1170 { 1171 struct upgt_eeprom_freq4_header *freq4_header; 1172 struct upgt_eeprom_freq4_1 *freq4_1; 1173 struct upgt_eeprom_freq4_2 *freq4_2; 1174 int i, j, elements, settings, flags; 1175 unsigned channel; 1176 1177 freq4_header = (struct upgt_eeprom_freq4_header *)data; 1178 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1179 1180 flags = freq4_header->flags; 1181 elements = freq4_header->elements; 1182 settings = freq4_header->settings; 1183 1184 /* we need this value later */ 1185 sc->sc_eeprom_freq6_settings = freq4_header->settings; 1186 1187 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1188 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1189 DPRINTF(2, "%s: settings=%d\n", device_xname(sc->sc_dev), settings); 1190 __USE(flags); 1191 1192 for (i = 0; i < elements; i++) { 1193 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1194 1195 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1196 1197 for (j = 0; j < settings; j++) { 1198 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1199 sc->sc_eeprom_freq4[channel][j].pad = 0; 1200 } 1201 1202 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1203 device_xname(sc->sc_dev), 1204 le16toh(freq4_1[i].freq), channel); 1205 } 1206 } 1207 1208 static void 1209 upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1210 { 1211 struct upgt_lmac_freq6 *freq6; 1212 int i, elements; 1213 unsigned channel; 1214 1215 freq6 = (struct upgt_lmac_freq6 *)data; 1216 1217 elements = len / sizeof(struct upgt_lmac_freq6); 1218 1219 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1220 1221 for (i = 0; i < elements; i++) { 1222 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1223 1224 sc->sc_eeprom_freq6[channel] = freq6[i]; 1225 1226 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1227 device_xname(sc->sc_dev), 1228 le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1229 } 1230 } 1231 1232 static int 1233 upgt_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1234 { 1235 struct upgt_softc *sc = ifp->if_softc; 1236 struct ieee80211com *ic = &sc->sc_ic; 1237 int s, error = 0; 1238 1239 s = splnet(); 1240 1241 switch (cmd) { 1242 case SIOCSIFFLAGS: 1243 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 1244 break; 1245 if (ifp->if_flags & IFF_UP) { 1246 if ((ifp->if_flags & IFF_RUNNING) == 0) 1247 upgt_init(ifp); 1248 } else { 1249 if (ifp->if_flags & IFF_RUNNING) 1250 upgt_stop(sc); 1251 } 1252 break; 1253 case SIOCADDMULTI: 1254 case SIOCDELMULTI: 1255 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 1256 /* setup multicast filter, etc */ 1257 error = 0; 1258 } 1259 break; 1260 default: 1261 error = ieee80211_ioctl(ic, cmd, data); 1262 break; 1263 } 1264 1265 if (error == ENETRESET) { 1266 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1267 (IFF_UP | IFF_RUNNING)) 1268 upgt_init(ifp); 1269 error = 0; 1270 } 1271 1272 splx(s); 1273 1274 return error; 1275 } 1276 1277 static int 1278 upgt_init(struct ifnet *ifp) 1279 { 1280 struct upgt_softc *sc = ifp->if_softc; 1281 struct ieee80211com *ic = &sc->sc_ic; 1282 1283 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1284 1285 if (ifp->if_flags & IFF_RUNNING) 1286 upgt_stop(sc); 1287 1288 ifp->if_flags |= IFF_RUNNING; 1289 ifp->if_flags &= ~IFF_OACTIVE; 1290 1291 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 1292 1293 /* setup device rates */ 1294 upgt_setup_rates(sc); 1295 1296 if (ic->ic_opmode == IEEE80211_M_MONITOR) 1297 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 1298 else 1299 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1300 1301 return 0; 1302 } 1303 1304 static void 1305 upgt_stop(struct upgt_softc *sc) 1306 { 1307 struct ieee80211com *ic = &sc->sc_ic; 1308 struct ifnet *ifp = &sc->sc_if; 1309 1310 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1311 1312 /* device down */ 1313 ifp->if_timer = 0; 1314 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1315 1316 /* change device back to initial state */ 1317 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1318 } 1319 1320 static int 1321 upgt_media_change(struct ifnet *ifp) 1322 { 1323 struct upgt_softc *sc = ifp->if_softc; 1324 int error; 1325 1326 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1327 1328 if ((error = ieee80211_media_change(ifp)) != ENETRESET) 1329 return error; 1330 1331 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1332 (IFF_UP | IFF_RUNNING)) { 1333 /* give pending USB transfers a chance to finish */ 1334 usbd_delay_ms(sc->sc_udev, 100); 1335 upgt_init(ifp); 1336 } 1337 1338 return 0; 1339 } 1340 1341 static void 1342 upgt_newassoc(struct ieee80211_node *ni, int isnew) 1343 { 1344 1345 ni->ni_txrate = 0; 1346 } 1347 1348 static int 1349 upgt_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1350 { 1351 struct upgt_softc *sc = ic->ic_ifp->if_softc; 1352 1353 usb_rem_task(sc->sc_udev, &sc->sc_task_newstate); 1354 callout_stop(&sc->scan_to); 1355 1356 /* do it in a process context */ 1357 sc->sc_state = nstate; 1358 sc->sc_arg = arg; 1359 usb_add_task(sc->sc_udev, &sc->sc_task_newstate, USB_TASKQ_DRIVER); 1360 1361 return 0; 1362 } 1363 1364 static void 1365 upgt_newstate_task(void *arg) 1366 { 1367 struct upgt_softc *sc = arg; 1368 struct ieee80211com *ic = &sc->sc_ic; 1369 struct ieee80211_node *ni; 1370 unsigned channel; 1371 1372 mutex_enter(&sc->sc_mtx); 1373 1374 switch (sc->sc_state) { 1375 case IEEE80211_S_INIT: 1376 DPRINTF(1, "%s: newstate is IEEE80211_S_INIT\n", 1377 device_xname(sc->sc_dev)); 1378 1379 /* do not accept any frames if the device is down */ 1380 upgt_set_macfilter(sc, IEEE80211_S_INIT); 1381 upgt_set_led(sc, UPGT_LED_OFF); 1382 break; 1383 case IEEE80211_S_SCAN: 1384 DPRINTF(1, "%s: newstate is IEEE80211_S_SCAN\n", 1385 device_xname(sc->sc_dev)); 1386 1387 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1388 upgt_set_channel(sc, channel); 1389 upgt_set_macfilter(sc, IEEE80211_S_SCAN); 1390 callout_schedule(&sc->scan_to, hz / 5); 1391 break; 1392 case IEEE80211_S_AUTH: 1393 DPRINTF(1, "%s: newstate is IEEE80211_S_AUTH\n", 1394 device_xname(sc->sc_dev)); 1395 1396 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1397 upgt_set_channel(sc, channel); 1398 break; 1399 case IEEE80211_S_ASSOC: 1400 DPRINTF(1, "%s: newstate is IEEE80211_S_ASSOC\n", 1401 device_xname(sc->sc_dev)); 1402 1403 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1404 upgt_set_channel(sc, channel); 1405 break; 1406 case IEEE80211_S_RUN: 1407 DPRINTF(1, "%s: newstate is IEEE80211_S_RUN\n", 1408 device_xname(sc->sc_dev)); 1409 1410 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1411 upgt_set_channel(sc, channel); 1412 1413 ni = ic->ic_bss; 1414 1415 /* 1416 * TX rate control is done by the firmware. 1417 * Report the maximum rate which is available therefore. 1418 */ 1419 ni->ni_txrate = ni->ni_rates.rs_nrates - 1; 1420 1421 if (ic->ic_opmode != IEEE80211_M_MONITOR) 1422 upgt_set_macfilter(sc, IEEE80211_S_RUN); 1423 upgt_set_led(sc, UPGT_LED_ON); 1424 break; 1425 } 1426 1427 mutex_exit(&sc->sc_mtx); 1428 1429 sc->sc_newstate(ic, sc->sc_state, sc->sc_arg); 1430 } 1431 1432 static void 1433 upgt_next_scan(void *arg) 1434 { 1435 struct upgt_softc *sc = arg; 1436 struct ieee80211com *ic = &sc->sc_ic; 1437 1438 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1439 1440 if (ic->ic_state == IEEE80211_S_SCAN) 1441 ieee80211_next_scan(ic); 1442 } 1443 1444 static void 1445 upgt_start(struct ifnet *ifp) 1446 { 1447 struct upgt_softc *sc = ifp->if_softc; 1448 struct ieee80211com *ic = &sc->sc_ic; 1449 struct ether_header *eh; 1450 struct ieee80211_node *ni; 1451 struct mbuf *m; 1452 int i; 1453 1454 /* don't transmit packets if interface is busy or down */ 1455 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 1456 return; 1457 1458 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1459 1460 for (i = 0; i < UPGT_TX_COUNT; i++) { 1461 struct upgt_data *data_tx = &sc->tx_data[i]; 1462 1463 if (data_tx->m != NULL) 1464 continue; 1465 1466 IF_POLL(&ic->ic_mgtq, m); 1467 if (m != NULL) { 1468 /* management frame */ 1469 IF_DEQUEUE(&ic->ic_mgtq, m); 1470 1471 ni = M_GETCTX(m, struct ieee80211_node *); 1472 M_CLEARCTX(m); 1473 1474 bpf_mtap3(ic->ic_rawbpf, m); 1475 1476 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1477 aprint_error_dev(sc->sc_dev, 1478 "no free prism memory\n"); 1479 m_freem(m); 1480 ifp->if_oerrors++; 1481 break; 1482 } 1483 data_tx->ni = ni; 1484 data_tx->m = m; 1485 sc->tx_queued++; 1486 } else { 1487 /* data frame */ 1488 if (ic->ic_state != IEEE80211_S_RUN) 1489 break; 1490 1491 IFQ_POLL(&ifp->if_snd, m); 1492 if (m == NULL) 1493 break; 1494 1495 IFQ_DEQUEUE(&ifp->if_snd, m); 1496 if (m->m_len < sizeof(struct ether_header) && 1497 !(m = m_pullup(m, sizeof(struct ether_header)))) 1498 continue; 1499 1500 eh = mtod(m, struct ether_header *); 1501 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1502 if (ni == NULL) { 1503 m_freem(m); 1504 continue; 1505 } 1506 1507 bpf_mtap(ifp, m); 1508 1509 m = ieee80211_encap(ic, m, ni); 1510 if (m == NULL) { 1511 ieee80211_free_node(ni); 1512 continue; 1513 } 1514 1515 bpf_mtap3(ic->ic_rawbpf, m); 1516 1517 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1518 aprint_error_dev(sc->sc_dev, 1519 "no free prism memory\n"); 1520 m_freem(m); 1521 ieee80211_free_node(ni); 1522 ifp->if_oerrors++; 1523 break; 1524 } 1525 data_tx->ni = ni; 1526 data_tx->m = m; 1527 sc->tx_queued++; 1528 } 1529 } 1530 1531 if (sc->tx_queued > 0) { 1532 DPRINTF(2, "%s: tx_queued=%d\n", 1533 device_xname(sc->sc_dev), sc->tx_queued); 1534 /* process the TX queue in process context */ 1535 ifp->if_timer = 5; 1536 ifp->if_flags |= IFF_OACTIVE; 1537 usb_rem_task(sc->sc_udev, &sc->sc_task_tx); 1538 usb_add_task(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); 1539 } 1540 } 1541 1542 static void 1543 upgt_watchdog(struct ifnet *ifp) 1544 { 1545 struct upgt_softc *sc = ifp->if_softc; 1546 struct ieee80211com *ic = &sc->sc_ic; 1547 1548 if (ic->ic_state == IEEE80211_S_INIT) 1549 return; 1550 1551 aprint_error_dev(sc->sc_dev, "watchdog timeout\n"); 1552 1553 /* TODO: what shall we do on TX timeout? */ 1554 1555 ieee80211_watchdog(ic); 1556 } 1557 1558 static void 1559 upgt_tx_task(void *arg) 1560 { 1561 struct upgt_softc *sc = arg; 1562 struct ieee80211com *ic = &sc->sc_ic; 1563 struct ieee80211_frame *wh; 1564 struct ieee80211_key *k; 1565 struct ifnet *ifp = &sc->sc_if; 1566 struct upgt_lmac_mem *mem; 1567 struct upgt_lmac_tx_desc *txdesc; 1568 struct mbuf *m; 1569 uint32_t addr; 1570 int i, len, pad, s; 1571 usbd_status error; 1572 1573 mutex_enter(&sc->sc_mtx); 1574 upgt_set_led(sc, UPGT_LED_BLINK); 1575 mutex_exit(&sc->sc_mtx); 1576 1577 s = splnet(); 1578 1579 for (i = 0; i < UPGT_TX_COUNT; i++) { 1580 struct upgt_data *data_tx = &sc->tx_data[i]; 1581 1582 if (data_tx->m == NULL) 1583 continue; 1584 1585 m = data_tx->m; 1586 addr = data_tx->addr + UPGT_MEMSIZE_FRAME_HEAD; 1587 1588 /* 1589 * Software crypto. 1590 */ 1591 wh = mtod(m, struct ieee80211_frame *); 1592 1593 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1594 k = ieee80211_crypto_encap(ic, data_tx->ni, m); 1595 if (k == NULL) { 1596 m_freem(m); 1597 data_tx->m = NULL; 1598 ieee80211_free_node(data_tx->ni); 1599 data_tx->ni = NULL; 1600 ifp->if_oerrors++; 1601 break; 1602 } 1603 1604 /* in case packet header moved, reset pointer */ 1605 wh = mtod(m, struct ieee80211_frame *); 1606 } 1607 1608 /* 1609 * Transmit the URB containing the TX data. 1610 */ 1611 memset(data_tx->buf, 0, sizeof(*mem) + sizeof(*txdesc)); 1612 1613 mem = (struct upgt_lmac_mem *)data_tx->buf; 1614 mem->addr = htole32(addr); 1615 1616 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 1617 1618 /* XXX differ between data and mgmt frames? */ 1619 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 1620 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 1621 txdesc->header1.len = htole16(m->m_pkthdr.len); 1622 1623 txdesc->header2.reqid = htole32(data_tx->addr); 1624 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 1625 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 1626 1627 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 1628 IEEE80211_FC0_TYPE_MGT) { 1629 /* always send mgmt frames at lowest rate (DS1) */ 1630 memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 1631 } else { 1632 memcpy(txdesc->rates, sc->sc_cur_rateset, 1633 sizeof(txdesc->rates)); 1634 } 1635 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 1636 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 1637 1638 if (sc->sc_drvbpf != NULL) { 1639 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 1640 1641 tap->wt_flags = 0; 1642 tap->wt_rate = 0; /* TODO: where to get from? */ 1643 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1644 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1645 1646 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m); 1647 } 1648 1649 /* copy frame below our TX descriptor header */ 1650 m_copydata(m, 0, m->m_pkthdr.len, 1651 data_tx->buf + sizeof(*mem) + sizeof(*txdesc)); 1652 1653 /* calculate frame size */ 1654 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 1655 1656 if (len & 3) { 1657 /* we need to align the frame to a 4 byte boundary */ 1658 pad = 4 - (len & 3); 1659 memset(data_tx->buf + len, 0, pad); 1660 len += pad; 1661 } 1662 1663 /* calculate frame checksum */ 1664 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, 1665 len - sizeof(*mem)); 1666 1667 /* we do not need the mbuf anymore */ 1668 m_freem(m); 1669 data_tx->m = NULL; 1670 1671 ieee80211_free_node(data_tx->ni); 1672 data_tx->ni = NULL; 1673 1674 DPRINTF(2, "%s: TX start data sending\n", 1675 device_xname(sc->sc_dev)); 1676 1677 usbd_setup_xfer(data_tx->xfer, data_tx, data_tx->buf, len, 1678 USBD_FORCE_SHORT_XFER, UPGT_USB_TIMEOUT, NULL); 1679 error = usbd_transfer(data_tx->xfer); 1680 if (error != USBD_NORMAL_COMPLETION && 1681 error != USBD_IN_PROGRESS) { 1682 aprint_error_dev(sc->sc_dev, 1683 "could not transmit TX data URB\n"); 1684 ifp->if_oerrors++; 1685 break; 1686 } 1687 1688 DPRINTF(2, "%s: TX sent (%d bytes)\n", 1689 device_xname(sc->sc_dev), len); 1690 } 1691 1692 splx(s); 1693 1694 /* 1695 * If we don't regulary read the device statistics, the RX queue 1696 * will stall. It's strange, but it works, so we keep reading 1697 * the statistics here. *shrug* 1698 */ 1699 mutex_enter(&sc->sc_mtx); 1700 upgt_get_stats(sc); 1701 mutex_exit(&sc->sc_mtx); 1702 } 1703 1704 static void 1705 upgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1706 { 1707 struct ifnet *ifp = &sc->sc_if; 1708 struct upgt_lmac_tx_done_desc *desc; 1709 int i, s; 1710 1711 s = splnet(); 1712 1713 desc = (struct upgt_lmac_tx_done_desc *)data; 1714 1715 for (i = 0; i < UPGT_TX_COUNT; i++) { 1716 struct upgt_data *data_tx = &sc->tx_data[i]; 1717 1718 if (data_tx->addr == le32toh(desc->header2.reqid)) { 1719 upgt_mem_free(sc, data_tx->addr); 1720 data_tx->addr = 0; 1721 1722 sc->tx_queued--; 1723 ifp->if_opackets++; 1724 1725 DPRINTF(2, "%s: TX done: ", device_xname(sc->sc_dev)); 1726 DPRINTF(2, "memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1727 le32toh(desc->header2.reqid), 1728 le16toh(desc->status), 1729 le16toh(desc->rssi)); 1730 DPRINTF(2, "seq=%d\n", le16toh(desc->seq)); 1731 break; 1732 } 1733 } 1734 1735 if (sc->tx_queued == 0) { 1736 /* TX queued was processed, continue */ 1737 ifp->if_timer = 0; 1738 ifp->if_flags &= ~IFF_OACTIVE; 1739 upgt_start(ifp); 1740 } 1741 1742 splx(s); 1743 } 1744 1745 static void 1746 upgt_rx_cb(struct usbd_xfer *xfer, void * priv, usbd_status status) 1747 { 1748 struct upgt_data *data_rx = priv; 1749 struct upgt_softc *sc = data_rx->sc; 1750 int len; 1751 struct upgt_lmac_header *header; 1752 struct upgt_lmac_eeprom *eeprom; 1753 uint8_t h1_type; 1754 uint16_t h2_type; 1755 1756 DPRINTF(3, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1757 1758 if (status != USBD_NORMAL_COMPLETION) { 1759 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1760 return; 1761 if (status == USBD_STALLED) 1762 usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh); 1763 goto skip; 1764 } 1765 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1766 1767 /* 1768 * Check what type of frame came in. 1769 */ 1770 header = (struct upgt_lmac_header *)(data_rx->buf + 4); 1771 1772 h1_type = header->header1.type; 1773 h2_type = le16toh(header->header2.type); 1774 1775 if (h1_type == UPGT_H1_TYPE_CTRL && 1776 h2_type == UPGT_H2_TYPE_EEPROM) { 1777 eeprom = (struct upgt_lmac_eeprom *)(data_rx->buf + 4); 1778 uint16_t eeprom_offset = le16toh(eeprom->offset); 1779 uint16_t eeprom_len = le16toh(eeprom->len); 1780 1781 DPRINTF(2, "%s: received EEPROM block (offset=%d, len=%d)\n", 1782 device_xname(sc->sc_dev), eeprom_offset, eeprom_len); 1783 1784 mutex_enter(&sc->sc_mtx); 1785 memcpy(sc->sc_eeprom + eeprom_offset, 1786 data_rx->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1787 eeprom_len); 1788 1789 /* EEPROM data has arrived in time, wakeup upgt_eeprom_read */ 1790 /* Note eeprom data arrived */ 1791 cv_broadcast(&sc->sc_cv); 1792 mutex_exit(&sc->sc_mtx); 1793 } else 1794 if (h1_type == UPGT_H1_TYPE_CTRL && 1795 h2_type == UPGT_H2_TYPE_TX_DONE) { 1796 DPRINTF(2, "%s: received 802.11 TX done\n", 1797 device_xname(sc->sc_dev)); 1798 1799 upgt_tx_done(sc, data_rx->buf + 4); 1800 } else 1801 if (h1_type == UPGT_H1_TYPE_RX_DATA || 1802 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1803 DPRINTF(3, "%s: received 802.11 RX data\n", 1804 device_xname(sc->sc_dev)); 1805 1806 upgt_rx(sc, data_rx->buf + 4, le16toh(header->header1.len)); 1807 } else 1808 if (h1_type == UPGT_H1_TYPE_CTRL && 1809 h2_type == UPGT_H2_TYPE_STATS) { 1810 DPRINTF(2, "%s: received statistic data\n", 1811 device_xname(sc->sc_dev)); 1812 1813 /* TODO: what could we do with the statistic data? */ 1814 } else { 1815 /* ignore unknown frame types */ 1816 DPRINTF(1, "%s: received unknown frame type 0x%02x\n", 1817 device_xname(sc->sc_dev), header->header1.type); 1818 } 1819 1820 skip: /* setup new transfer */ 1821 usbd_setup_xfer(xfer, data_rx, data_rx->buf, MCLBYTES, 1822 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 1823 (void)usbd_transfer(xfer); 1824 } 1825 1826 static void 1827 upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen) 1828 { 1829 struct ieee80211com *ic = &sc->sc_ic; 1830 struct ifnet *ifp = &sc->sc_if; 1831 struct upgt_lmac_rx_desc *rxdesc; 1832 struct ieee80211_frame *wh; 1833 struct ieee80211_node *ni; 1834 struct mbuf *m; 1835 int s; 1836 1837 /* access RX packet descriptor */ 1838 rxdesc = (struct upgt_lmac_rx_desc *)data; 1839 1840 /* create mbuf which is suitable for strict alignment archs */ 1841 #define ETHER_ALIGN 0 1842 m = m_devget(rxdesc->data, pkglen, ETHER_ALIGN, ifp, NULL); 1843 if (m == NULL) { 1844 DPRINTF(1, "%s: could not create RX mbuf\n", 1845 device_xname(sc->sc_dev)); 1846 ifp->if_ierrors++; 1847 return; 1848 } 1849 1850 s = splnet(); 1851 1852 if (sc->sc_drvbpf != NULL) { 1853 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1854 1855 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1856 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1857 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1858 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1859 tap->wr_antsignal = rxdesc->rssi; 1860 1861 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m); 1862 } 1863 1864 /* trim FCS */ 1865 m_adj(m, -IEEE80211_CRC_LEN); 1866 1867 wh = mtod(m, struct ieee80211_frame *); 1868 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1869 1870 /* push the frame up to the 802.11 stack */ 1871 ieee80211_input(ic, m, ni, rxdesc->rssi, 0); 1872 1873 /* node is no longer needed */ 1874 ieee80211_free_node(ni); 1875 1876 splx(s); 1877 1878 DPRINTF(3, "%s: RX done\n", device_xname(sc->sc_dev)); 1879 } 1880 1881 static void 1882 upgt_setup_rates(struct upgt_softc *sc) 1883 { 1884 struct ieee80211com *ic = &sc->sc_ic; 1885 1886 /* 1887 * 0x01 = OFMD6 0x10 = DS1 1888 * 0x04 = OFDM9 0x11 = DS2 1889 * 0x06 = OFDM12 0x12 = DS5 1890 * 0x07 = OFDM18 0x13 = DS11 1891 * 0x08 = OFDM24 1892 * 0x09 = OFDM36 1893 * 0x0a = OFDM48 1894 * 0x0b = OFDM54 1895 */ 1896 const uint8_t rateset_auto_11b[] = 1897 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 1898 const uint8_t rateset_auto_11g[] = 1899 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 1900 const uint8_t rateset_fix_11bg[] = 1901 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 1902 0x08, 0x09, 0x0a, 0x0b }; 1903 1904 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) { 1905 /* 1906 * Automatic rate control is done by the device. 1907 * We just pass the rateset from which the device 1908 * will pickup a rate. 1909 */ 1910 if (ic->ic_curmode == IEEE80211_MODE_11B) 1911 memcpy(sc->sc_cur_rateset, rateset_auto_11b, 1912 sizeof(sc->sc_cur_rateset)); 1913 if (ic->ic_curmode == IEEE80211_MODE_11G || 1914 ic->ic_curmode == IEEE80211_MODE_AUTO) 1915 memcpy(sc->sc_cur_rateset, rateset_auto_11g, 1916 sizeof(sc->sc_cur_rateset)); 1917 } else { 1918 /* set a fixed rate */ 1919 memset(sc->sc_cur_rateset, rateset_fix_11bg[ic->ic_fixed_rate], 1920 sizeof(sc->sc_cur_rateset)); 1921 } 1922 } 1923 1924 static uint8_t 1925 upgt_rx_rate(struct upgt_softc *sc, const int rate) 1926 { 1927 struct ieee80211com *ic = &sc->sc_ic; 1928 1929 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1930 if (rate < 0 || rate > 3) 1931 /* invalid rate */ 1932 return 0; 1933 1934 switch (rate) { 1935 case 0: 1936 return 2; 1937 case 1: 1938 return 4; 1939 case 2: 1940 return 11; 1941 case 3: 1942 return 22; 1943 default: 1944 return 0; 1945 } 1946 } 1947 1948 if (ic->ic_curmode == IEEE80211_MODE_11G) { 1949 if (rate < 0 || rate > 11) 1950 /* invalid rate */ 1951 return 0; 1952 1953 switch (rate) { 1954 case 0: 1955 return 2; 1956 case 1: 1957 return 4; 1958 case 2: 1959 return 11; 1960 case 3: 1961 return 22; 1962 case 4: 1963 return 12; 1964 case 5: 1965 return 18; 1966 case 6: 1967 return 24; 1968 case 7: 1969 return 36; 1970 case 8: 1971 return 48; 1972 case 9: 1973 return 72; 1974 case 10: 1975 return 96; 1976 case 11: 1977 return 108; 1978 default: 1979 return 0; 1980 } 1981 } 1982 1983 return 0; 1984 } 1985 1986 static int 1987 upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 1988 { 1989 struct ieee80211com *ic = &sc->sc_ic; 1990 struct ieee80211_node *ni = ic->ic_bss; 1991 struct upgt_data *data_cmd = &sc->cmd_data; 1992 struct upgt_lmac_mem *mem; 1993 struct upgt_lmac_filter *filter; 1994 int len; 1995 const uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1996 1997 /* 1998 * Transmit the URB containing the CMD data. 1999 */ 2000 len = sizeof(*mem) + sizeof(*filter); 2001 2002 memset(data_cmd->buf, 0, len); 2003 2004 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2005 mem->addr = htole32(sc->sc_memaddr_frame_start + 2006 UPGT_MEMSIZE_FRAME_HEAD); 2007 2008 filter = (struct upgt_lmac_filter *)(mem + 1); 2009 2010 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2011 filter->header1.type = UPGT_H1_TYPE_CTRL; 2012 filter->header1.len = htole16( 2013 sizeof(struct upgt_lmac_filter) - 2014 sizeof(struct upgt_lmac_header)); 2015 2016 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2017 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 2018 filter->header2.flags = 0; 2019 2020 switch (state) { 2021 case IEEE80211_S_INIT: 2022 DPRINTF(1, "%s: set MAC filter to INIT\n", 2023 device_xname(sc->sc_dev)); 2024 2025 filter->type = htole16(UPGT_FILTER_TYPE_RESET); 2026 break; 2027 case IEEE80211_S_SCAN: 2028 DPRINTF(1, "%s: set MAC filter to SCAN (bssid %s)\n", 2029 device_xname(sc->sc_dev), ether_sprintf(broadcast)); 2030 2031 filter->type = htole16(UPGT_FILTER_TYPE_NONE); 2032 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2033 IEEE80211_ADDR_COPY(filter->src, broadcast); 2034 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2035 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2036 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2037 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2038 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2039 break; 2040 case IEEE80211_S_RUN: 2041 DPRINTF(1, "%s: set MAC filter to RUN (bssid %s)\n", 2042 device_xname(sc->sc_dev), ether_sprintf(ni->ni_bssid)); 2043 2044 filter->type = htole16(UPGT_FILTER_TYPE_STA); 2045 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2046 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 2047 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2048 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2049 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2050 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2051 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2052 break; 2053 default: 2054 aprint_error_dev(sc->sc_dev, 2055 "MAC filter does not know that state\n"); 2056 break; 2057 } 2058 2059 mem->chksum = upgt_chksum_le((uint32_t *)filter, sizeof(*filter)); 2060 2061 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2062 aprint_error_dev(sc->sc_dev, 2063 "could not transmit macfilter CMD data URB\n"); 2064 return EIO; 2065 } 2066 2067 return 0; 2068 } 2069 2070 static int 2071 upgt_set_channel(struct upgt_softc *sc, unsigned channel) 2072 { 2073 struct upgt_data *data_cmd = &sc->cmd_data; 2074 struct upgt_lmac_mem *mem; 2075 struct upgt_lmac_channel *chan; 2076 int len; 2077 2078 DPRINTF(1, "%s: %s: %d\n", device_xname(sc->sc_dev), __func__, 2079 channel); 2080 2081 /* 2082 * Transmit the URB containing the CMD data. 2083 */ 2084 len = sizeof(*mem) + sizeof(*chan); 2085 2086 memset(data_cmd->buf, 0, len); 2087 2088 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2089 mem->addr = htole32(sc->sc_memaddr_frame_start + 2090 UPGT_MEMSIZE_FRAME_HEAD); 2091 2092 chan = (struct upgt_lmac_channel *)(mem + 1); 2093 2094 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2095 chan->header1.type = UPGT_H1_TYPE_CTRL; 2096 chan->header1.len = htole16( 2097 sizeof(struct upgt_lmac_channel) - 2098 sizeof(struct upgt_lmac_header)); 2099 2100 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2101 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 2102 chan->header2.flags = 0; 2103 2104 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 2105 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 2106 chan->freq6 = sc->sc_eeprom_freq6[channel]; 2107 chan->settings = sc->sc_eeprom_freq6_settings; 2108 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 2109 2110 memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 2111 sizeof(chan->freq3_1)); 2112 2113 memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 2114 sizeof(sc->sc_eeprom_freq4[channel])); 2115 2116 memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 2117 sizeof(chan->freq3_2)); 2118 2119 mem->chksum = upgt_chksum_le((uint32_t *)chan, sizeof(*chan)); 2120 2121 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2122 aprint_error_dev(sc->sc_dev, 2123 "could not transmit channel CMD data URB\n"); 2124 return EIO; 2125 } 2126 2127 return 0; 2128 } 2129 2130 static void 2131 upgt_set_led(struct upgt_softc *sc, int action) 2132 { 2133 struct ieee80211com *ic = &sc->sc_ic; 2134 struct upgt_data *data_cmd = &sc->cmd_data; 2135 struct upgt_lmac_mem *mem; 2136 struct upgt_lmac_led *led; 2137 struct timeval t; 2138 int len; 2139 2140 /* 2141 * Transmit the URB containing the CMD data. 2142 */ 2143 len = sizeof(*mem) + sizeof(*led); 2144 2145 memset(data_cmd->buf, 0, len); 2146 2147 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2148 mem->addr = htole32(sc->sc_memaddr_frame_start + 2149 UPGT_MEMSIZE_FRAME_HEAD); 2150 2151 led = (struct upgt_lmac_led *)(mem + 1); 2152 2153 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2154 led->header1.type = UPGT_H1_TYPE_CTRL; 2155 led->header1.len = htole16( 2156 sizeof(struct upgt_lmac_led) - 2157 sizeof(struct upgt_lmac_header)); 2158 2159 led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2160 led->header2.type = htole16(UPGT_H2_TYPE_LED); 2161 led->header2.flags = 0; 2162 2163 switch (action) { 2164 case UPGT_LED_OFF: 2165 led->mode = htole16(UPGT_LED_MODE_SET); 2166 led->action_fix = 0; 2167 led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 2168 led->action_tmp_dur = 0; 2169 break; 2170 case UPGT_LED_ON: 2171 led->mode = htole16(UPGT_LED_MODE_SET); 2172 led->action_fix = 0; 2173 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2174 led->action_tmp_dur = 0; 2175 break; 2176 case UPGT_LED_BLINK: 2177 if (ic->ic_state != IEEE80211_S_RUN) 2178 return; 2179 if (sc->sc_led_blink) 2180 /* previous blink was not finished */ 2181 return; 2182 led->mode = htole16(UPGT_LED_MODE_SET); 2183 led->action_fix = htole16(UPGT_LED_ACTION_OFF); 2184 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2185 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 2186 /* lock blink */ 2187 sc->sc_led_blink = 1; 2188 t.tv_sec = 0; 2189 t.tv_usec = UPGT_LED_ACTION_TMP_DUR * 1000L; 2190 callout_schedule(&sc->led_to, tvtohz(&t)); 2191 break; 2192 default: 2193 return; 2194 } 2195 2196 mem->chksum = upgt_chksum_le((uint32_t *)led, sizeof(*led)); 2197 2198 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2199 aprint_error_dev(sc->sc_dev, 2200 "could not transmit led CMD URB\n"); 2201 } 2202 } 2203 2204 static void 2205 upgt_set_led_blink(void *arg) 2206 { 2207 struct upgt_softc *sc = arg; 2208 2209 /* blink finished, we are ready for a next one */ 2210 sc->sc_led_blink = 0; 2211 callout_stop(&sc->led_to); 2212 } 2213 2214 static int 2215 upgt_get_stats(struct upgt_softc *sc) 2216 { 2217 struct upgt_data *data_cmd = &sc->cmd_data; 2218 struct upgt_lmac_mem *mem; 2219 struct upgt_lmac_stats *stats; 2220 int len; 2221 2222 /* 2223 * Transmit the URB containing the CMD data. 2224 */ 2225 len = sizeof(*mem) + sizeof(*stats); 2226 2227 memset(data_cmd->buf, 0, len); 2228 2229 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2230 mem->addr = htole32(sc->sc_memaddr_frame_start + 2231 UPGT_MEMSIZE_FRAME_HEAD); 2232 2233 stats = (struct upgt_lmac_stats *)(mem + 1); 2234 2235 stats->header1.flags = 0; 2236 stats->header1.type = UPGT_H1_TYPE_CTRL; 2237 stats->header1.len = htole16( 2238 sizeof(struct upgt_lmac_stats) - 2239 sizeof(struct upgt_lmac_header)); 2240 2241 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2242 stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 2243 stats->header2.flags = 0; 2244 2245 mem->chksum = upgt_chksum_le((uint32_t *)stats, sizeof(*stats)); 2246 2247 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2248 aprint_error_dev(sc->sc_dev, 2249 "could not transmit statistics CMD data URB\n"); 2250 return EIO; 2251 } 2252 2253 return 0; 2254 2255 } 2256 2257 static int 2258 upgt_alloc_tx(struct upgt_softc *sc) 2259 { 2260 int i; 2261 2262 sc->tx_queued = 0; 2263 2264 for (i = 0; i < UPGT_TX_COUNT; i++) { 2265 struct upgt_data *data_tx = &sc->tx_data[i]; 2266 2267 data_tx->sc = sc; 2268 2269 int err = usbd_create_xfer(sc->sc_tx_pipeh, MCLBYTES, 0, 0, 2270 &data_tx->xfer); 2271 if (err) { 2272 aprint_error_dev(sc->sc_dev, 2273 "could not allocate TX xfer\n"); 2274 return err; 2275 } 2276 2277 data_tx->buf = usbd_get_buffer(data_tx->xfer); 2278 } 2279 2280 return 0; 2281 } 2282 2283 static int 2284 upgt_alloc_rx(struct upgt_softc *sc) 2285 { 2286 struct upgt_data *data_rx = &sc->rx_data; 2287 2288 data_rx->sc = sc; 2289 2290 int err = usbd_create_xfer(sc->sc_rx_pipeh, MCLBYTES, 2291 USBD_SHORT_XFER_OK, 0, &data_rx->xfer); 2292 if (err) { 2293 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2294 return err; 2295 } 2296 2297 data_rx->buf = usbd_get_buffer(data_rx->xfer); 2298 2299 return 0; 2300 } 2301 2302 static int 2303 upgt_alloc_cmd(struct upgt_softc *sc) 2304 { 2305 struct upgt_data *data_cmd = &sc->cmd_data; 2306 2307 data_cmd->sc = sc; 2308 2309 int err = usbd_create_xfer(sc->sc_tx_pipeh, MCLBYTES, 2310 USBD_FORCE_SHORT_XFER, 0, &data_cmd->xfer); 2311 if (err) { 2312 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2313 return err; 2314 } 2315 2316 data_cmd->buf = usbd_get_buffer(data_cmd->xfer); 2317 2318 cv_init(&sc->sc_cv, "upgteeprom"); 2319 mutex_init(&sc->sc_mtx, MUTEX_DEFAULT, IPL_NONE); 2320 2321 return 0; 2322 } 2323 2324 static void 2325 upgt_free_tx(struct upgt_softc *sc) 2326 { 2327 int i; 2328 2329 for (i = 0; i < UPGT_TX_COUNT; i++) { 2330 struct upgt_data *data_tx = &sc->tx_data[i]; 2331 2332 if (data_tx->xfer != NULL) { 2333 usbd_destroy_xfer(data_tx->xfer); 2334 data_tx->xfer = NULL; 2335 } 2336 2337 data_tx->ni = NULL; 2338 } 2339 } 2340 2341 static void 2342 upgt_free_rx(struct upgt_softc *sc) 2343 { 2344 struct upgt_data *data_rx = &sc->rx_data; 2345 2346 if (data_rx->xfer != NULL) { 2347 usbd_destroy_xfer(data_rx->xfer); 2348 data_rx->xfer = NULL; 2349 } 2350 2351 data_rx->ni = NULL; 2352 } 2353 2354 static void 2355 upgt_free_cmd(struct upgt_softc *sc) 2356 { 2357 struct upgt_data *data_cmd = &sc->cmd_data; 2358 2359 if (data_cmd->xfer != NULL) { 2360 usbd_destroy_xfer(data_cmd->xfer); 2361 data_cmd->xfer = NULL; 2362 } 2363 2364 mutex_destroy(&sc->sc_mtx); 2365 cv_destroy(&sc->sc_cv); 2366 } 2367 2368 static int 2369 upgt_bulk_xmit(struct upgt_softc *sc, struct upgt_data *data, 2370 struct usbd_pipe *pipeh, uint32_t *size, int flags) 2371 { 2372 usbd_status status; 2373 2374 status = usbd_bulk_transfer(data->xfer, pipeh, flags, UPGT_USB_TIMEOUT, 2375 data->buf, size); 2376 if (status != USBD_NORMAL_COMPLETION) { 2377 aprint_error_dev(sc->sc_dev, "%s: error %s\n", __func__, 2378 usbd_errstr(status)); 2379 return EIO; 2380 } 2381 2382 return 0; 2383 } 2384 2385 #if 0 2386 static void 2387 upgt_hexdump(void *buf, int len) 2388 { 2389 int i; 2390 2391 for (i = 0; i < len; i++) { 2392 if (i % 16 == 0) 2393 printf("%s%5i:", i ? "\n" : "", i); 2394 if (i % 4 == 0) 2395 printf(" "); 2396 printf("%02x", (int)*((uint8_t *)buf + i)); 2397 } 2398 printf("\n"); 2399 } 2400 #endif 2401 2402 static uint32_t 2403 upgt_crc32_le(const void *buf, size_t size) 2404 { 2405 uint32_t crc; 2406 2407 crc = ether_crc32_le(buf, size); 2408 2409 /* apply final XOR value as common for CRC-32 */ 2410 crc = htole32(crc ^ 0xffffffffU); 2411 2412 return crc; 2413 } 2414 2415 /* 2416 * The firmware awaits a checksum for each frame we send to it. 2417 * The algorithm used therefor is uncommon but somehow similar to CRC32. 2418 */ 2419 static uint32_t 2420 upgt_chksum_le(const uint32_t *buf, size_t size) 2421 { 2422 int i; 2423 uint32_t crc = 0; 2424 2425 for (i = 0; i < size; i += sizeof(uint32_t)) { 2426 crc = htole32(crc ^ *buf++); 2427 crc = htole32((crc >> 5) ^ (crc << 3)); 2428 } 2429 2430 return crc; 2431 } 2432
Indexes created Thu Oct 02 14:10:14 GMT 2025