if_upgt.c revision 1.21
1 /* $NetBSD: if_upgt.c,v 1.21 2018/07/29 02:01:54 riastradh 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 1.21 2018/07/29 02:01:54 riastradh Exp $"); 22 23 #ifdef _KERNEL_OPT 24 #include "opt_usb.h" 25 #endif 26 27 #include <sys/param.h> 28 #include <sys/callout.h> 29 #include <sys/device.h> 30 #include <sys/errno.h> 31 #include <sys/kernel.h> 32 #include <sys/kthread.h> 33 #include <sys/mbuf.h> 34 #include <sys/proc.h> 35 #include <sys/sockio.h> 36 #include <sys/systm.h> 37 #include <sys/vnode.h> 38 #include <sys/bus.h> 39 #include <sys/endian.h> 40 #include <sys/intr.h> 41 42 #include <net/bpf.h> 43 #include <net/if.h> 44 #include <net/if_arp.h> 45 #include <net/if_dl.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 #include <net/if_types.h> 49 50 #include <net80211/ieee80211_var.h> 51 #include <net80211/ieee80211_radiotap.h> 52 53 #include <dev/firmload.h> 54 55 #include <dev/usb/usb.h> 56 #include <dev/usb/usbdi.h> 57 #include <dev/usb/usbdi_util.h> 58 #include <dev/usb/usbdivar.h> 59 #include <dev/usb/usbdevs.h> 60 61 #include <dev/usb/if_upgtvar.h> 62 63 /* 64 * Driver for the USB PrismGT devices. 65 * 66 * For now just USB 2.0 devices with the GW3887 chipset are supported. 67 * The driver has been written based on the firmware version 2.13.1.0_LM87. 68 * 69 * TODO's: 70 * - Fix MONITOR mode (MAC filter). 71 * - Add HOSTAP mode. 72 * - Add IBSS mode. 73 * - Support the USB 1.0 devices (NET2280, ISL3880, ISL3886 chipsets). 74 * 75 * Parts of this driver has been influenced by reading the p54u driver 76 * written by Jean-Baptiste Note <jean-baptiste.note (at) m4x.org> and 77 * Sebastien Bourdeauducq <lekernel (at) prism54.org>. 78 */ 79 80 #ifdef UPGT_DEBUG 81 int upgt_debug = 2; 82 #define DPRINTF(l, x...) do { if ((l) <= upgt_debug) printf(x); } while (0) 83 #else 84 #define DPRINTF(l, x...) 85 #endif 86 87 /* 88 * Prototypes. 89 */ 90 static int upgt_match(device_t, cfdata_t, void *); 91 static void upgt_attach(device_t, device_t, void *); 92 static int upgt_detach(device_t, int); 93 static int upgt_activate(device_t, devact_t); 94 95 static void upgt_attach_hook(device_t); 96 static int upgt_device_type(struct upgt_softc *, uint16_t, uint16_t); 97 static int upgt_device_init(struct upgt_softc *); 98 static int upgt_mem_init(struct upgt_softc *); 99 static uint32_t upgt_mem_alloc(struct upgt_softc *); 100 static void upgt_mem_free(struct upgt_softc *, uint32_t); 101 static int upgt_fw_alloc(struct upgt_softc *); 102 static void upgt_fw_free(struct upgt_softc *); 103 static int upgt_fw_verify(struct upgt_softc *); 104 static int upgt_fw_load(struct upgt_softc *); 105 static int upgt_fw_copy(char *, char *, int); 106 static int upgt_eeprom_read(struct upgt_softc *); 107 static int upgt_eeprom_parse(struct upgt_softc *); 108 static void upgt_eeprom_parse_hwrx(struct upgt_softc *, uint8_t *); 109 static void upgt_eeprom_parse_freq3(struct upgt_softc *, uint8_t *, int); 110 static void upgt_eeprom_parse_freq4(struct upgt_softc *, uint8_t *, int); 111 static void upgt_eeprom_parse_freq6(struct upgt_softc *, uint8_t *, int); 112 113 static int upgt_ioctl(struct ifnet *, u_long, void *); 114 static int upgt_init(struct ifnet *); 115 static void upgt_stop(struct upgt_softc *); 116 static int upgt_media_change(struct ifnet *); 117 static void upgt_newassoc(struct ieee80211_node *, int); 118 static int upgt_newstate(struct ieee80211com *, enum ieee80211_state, 119 int); 120 static void upgt_newstate_task(void *); 121 static void upgt_next_scan(void *); 122 static void upgt_start(struct ifnet *); 123 static void upgt_watchdog(struct ifnet *); 124 static void upgt_tx_task(void *); 125 static void upgt_tx_done(struct upgt_softc *, uint8_t *); 126 static void upgt_rx_cb(struct usbd_xfer *, void *, usbd_status); 127 static void upgt_rx(struct upgt_softc *, uint8_t *, int); 128 static void upgt_setup_rates(struct upgt_softc *); 129 static uint8_t upgt_rx_rate(struct upgt_softc *, const int); 130 static int upgt_set_macfilter(struct upgt_softc *, uint8_t); 131 static int upgt_set_channel(struct upgt_softc *, unsigned); 132 static void upgt_set_led(struct upgt_softc *, int); 133 static void upgt_set_led_blink(void *); 134 static int upgt_get_stats(struct upgt_softc *); 135 136 static int upgt_alloc_tx(struct upgt_softc *); 137 static int upgt_alloc_rx(struct upgt_softc *); 138 static int upgt_alloc_cmd(struct upgt_softc *); 139 static void upgt_free_tx(struct upgt_softc *); 140 static void upgt_free_rx(struct upgt_softc *); 141 static void upgt_free_cmd(struct upgt_softc *); 142 static int upgt_bulk_xmit(struct upgt_softc *, struct upgt_data *, 143 struct usbd_pipe *, uint32_t *, int); 144 145 #if 0 146 static void upgt_hexdump(void *, int); 147 #endif 148 static uint32_t upgt_crc32_le(const void *, size_t); 149 static uint32_t upgt_chksum_le(const uint32_t *, size_t); 150 151 CFATTACH_DECL_NEW(upgt, sizeof(struct upgt_softc), 152 upgt_match, upgt_attach, upgt_detach, upgt_activate); 153 154 static const struct usb_devno upgt_devs_1[] = { 155 /* version 1 devices */ 156 { USB_VENDOR_ALCATELT, USB_PRODUCT_ALCATELT_ST120G }, 157 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG_V1 } 158 }; 159 160 static const struct usb_devno upgt_devs_2[] = { 161 /* version 2 devices */ 162 { USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_PRISM_GT }, 163 { USB_VENDOR_ALCATELT, USB_PRODUCT_ALCATELT_ST121G }, 164 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D7050 }, 165 { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54AG }, 166 { USB_VENDOR_CISCOLINKSYS, USB_PRODUCT_CISCOLINKSYS_WUSB54GV2 }, 167 { USB_VENDOR_CONCEPTRONIC2, USB_PRODUCT_CONCEPTRONIC2_PRISM_GT }, 168 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGWLUSB2GTST }, 169 { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_1 }, 170 { USB_VENDOR_DELL, USB_PRODUCT_DELL_PRISM_GT_2 }, 171 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWLG122A2 }, 172 { USB_VENDOR_FSC, USB_PRODUCT_FSC_E5400 }, 173 { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_1 }, 174 { USB_VENDOR_GLOBESPAN, USB_PRODUCT_GLOBESPAN_PRISM_GT_2 }, 175 { USB_VENDOR_INTERSIL, USB_PRODUCT_INTERSIL_PRISM_GT }, 176 { USB_VENDOR_PHEENET, USB_PRODUCT_PHEENET_GWU513 }, 177 { USB_VENDOR_PHILIPS, USB_PRODUCT_PHILIPS_CPWUA054 }, 178 { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_RUITZ1016YCZZ }, 179 { USB_VENDOR_SMC, USB_PRODUCT_SMC_2862WG }, 180 { USB_VENDOR_USR, USB_PRODUCT_USR_USR5422 }, 181 { USB_VENDOR_WISTRONNEWEB, USB_PRODUCT_WISTRONNEWEB_UR045G }, 182 { USB_VENDOR_CONEXANT, USB_PRODUCT_CONEXANT_PRISM_GT_1 }, 183 { USB_VENDOR_CONEXANT, USB_PRODUCT_CONEXANT_PRISM_GT_2 }, 184 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_MD40900 }, 185 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_XG703A } 186 }; 187 188 static int 189 firmware_load(const char *dname, const char *iname, uint8_t **ucodep, 190 size_t *sizep) 191 { 192 firmware_handle_t fh; 193 int error; 194 195 if ((error = firmware_open(dname, iname, &fh)) != 0) 196 return error; 197 *sizep = firmware_get_size(fh); 198 if ((*ucodep = firmware_malloc(*sizep)) == NULL) { 199 firmware_close(fh); 200 return ENOMEM; 201 } 202 if ((error = firmware_read(fh, 0, *ucodep, *sizep)) != 0) 203 firmware_free(*ucodep, *sizep); 204 firmware_close(fh); 205 206 return error; 207 } 208 209 static int 210 upgt_match(device_t parent, cfdata_t match, void *aux) 211 { 212 struct usb_attach_arg *uaa = aux; 213 214 if (usb_lookup(upgt_devs_1, uaa->uaa_vendor, uaa->uaa_product) != NULL) 215 return UMATCH_VENDOR_PRODUCT; 216 217 if (usb_lookup(upgt_devs_2, uaa->uaa_vendor, uaa->uaa_product) != NULL) 218 return UMATCH_VENDOR_PRODUCT; 219 220 return UMATCH_NONE; 221 } 222 223 static void 224 upgt_attach(device_t parent, device_t self, void *aux) 225 { 226 struct upgt_softc *sc = device_private(self); 227 struct usb_attach_arg *uaa = aux; 228 usb_interface_descriptor_t *id; 229 usb_endpoint_descriptor_t *ed; 230 usbd_status error; 231 char *devinfop; 232 int i; 233 234 aprint_naive("\n"); 235 aprint_normal("\n"); 236 237 /* 238 * Attach USB device. 239 */ 240 sc->sc_dev = self; 241 sc->sc_udev = uaa->uaa_device; 242 243 devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); 244 aprint_normal_dev(sc->sc_dev, "%s\n", devinfop); 245 usbd_devinfo_free(devinfop); 246 247 /* check device type */ 248 if (upgt_device_type(sc, uaa->uaa_vendor, uaa->uaa_product) != 0) 249 return; 250 251 /* set configuration number */ 252 error = usbd_set_config_no(sc->sc_udev, UPGT_CONFIG_NO, 0); 253 if (error != 0) { 254 aprint_error_dev(sc->sc_dev, "failed to set configuration" 255 ", err=%s\n", usbd_errstr(error)); 256 return; 257 } 258 259 /* get the first interface handle */ 260 error = usbd_device2interface_handle(sc->sc_udev, UPGT_IFACE_INDEX, 261 &sc->sc_iface); 262 if (error != 0) { 263 aprint_error_dev(sc->sc_dev, 264 "could not get interface handle\n"); 265 return; 266 } 267 268 /* find endpoints */ 269 id = usbd_get_interface_descriptor(sc->sc_iface); 270 sc->sc_rx_no = sc->sc_tx_no = -1; 271 for (i = 0; i < id->bNumEndpoints; i++) { 272 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 273 if (ed == NULL) { 274 aprint_error_dev(sc->sc_dev, 275 "no endpoint descriptor for iface %d\n", i); 276 return; 277 } 278 279 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 280 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 281 sc->sc_tx_no = ed->bEndpointAddress; 282 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 283 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) 284 sc->sc_rx_no = ed->bEndpointAddress; 285 286 /* 287 * 0x01 TX pipe 288 * 0x81 RX pipe 289 * 290 * Deprecated scheme (not used with fw version >2.5.6.x): 291 * 0x02 TX MGMT pipe 292 * 0x82 TX MGMT pipe 293 */ 294 if (sc->sc_tx_no != -1 && sc->sc_rx_no != -1) 295 break; 296 } 297 if (sc->sc_rx_no == -1 || sc->sc_tx_no == -1) { 298 aprint_error_dev(sc->sc_dev, "missing endpoint\n"); 299 return; 300 } 301 302 /* setup tasks and timeouts */ 303 usb_init_task(&sc->sc_task_newstate, upgt_newstate_task, sc, 0); 304 usb_init_task(&sc->sc_task_tx, upgt_tx_task, sc, 0); 305 callout_init(&sc->scan_to, 0); 306 callout_setfunc(&sc->scan_to, upgt_next_scan, sc); 307 callout_init(&sc->led_to, 0); 308 callout_setfunc(&sc->led_to, upgt_set_led_blink, sc); 309 310 /* 311 * Open TX and RX USB bulk pipes. 312 */ 313 error = usbd_open_pipe(sc->sc_iface, sc->sc_tx_no, USBD_EXCLUSIVE_USE, 314 &sc->sc_tx_pipeh); 315 if (error != 0) { 316 aprint_error_dev(sc->sc_dev, 317 "could not open TX pipe: %s\n", usbd_errstr(error)); 318 goto fail; 319 } 320 error = usbd_open_pipe(sc->sc_iface, sc->sc_rx_no, USBD_EXCLUSIVE_USE, 321 &sc->sc_rx_pipeh); 322 if (error != 0) { 323 aprint_error_dev(sc->sc_dev, "could not open RX pipe: %s\n", 324 usbd_errstr(error)); 325 goto fail; 326 } 327 328 /* 329 * Allocate TX, RX, and CMD xfers. 330 */ 331 if (upgt_alloc_tx(sc) != 0) 332 goto fail; 333 if (upgt_alloc_rx(sc) != 0) 334 goto fail; 335 if (upgt_alloc_cmd(sc) != 0) 336 goto fail; 337 338 /* 339 * We need the firmware loaded from file system to complete the attach. 340 */ 341 config_mountroot(self, upgt_attach_hook); 342 343 return; 344 fail: 345 aprint_error_dev(sc->sc_dev, "%s failed\n", __func__); 346 } 347 348 static void 349 upgt_attach_hook(device_t arg) 350 { 351 struct upgt_softc *sc = device_private(arg); 352 struct ieee80211com *ic = &sc->sc_ic; 353 struct ifnet *ifp = &sc->sc_if; 354 usbd_status error; 355 int i; 356 357 /* 358 * Load firmware file into memory. 359 */ 360 if (upgt_fw_alloc(sc) != 0) 361 goto fail; 362 363 /* 364 * Initialize the device. 365 */ 366 if (upgt_device_init(sc) != 0) 367 goto fail; 368 369 /* 370 * Verify the firmware. 371 */ 372 if (upgt_fw_verify(sc) != 0) 373 goto fail; 374 375 /* 376 * Calculate device memory space. 377 */ 378 if (sc->sc_memaddr_frame_start == 0 || sc->sc_memaddr_frame_end == 0) { 379 aprint_error_dev(sc->sc_dev, 380 "could not find memory space addresses on FW\n"); 381 goto fail; 382 } 383 sc->sc_memaddr_frame_end -= UPGT_MEMSIZE_RX + 1; 384 sc->sc_memaddr_rx_start = sc->sc_memaddr_frame_end + 1; 385 386 DPRINTF(1, "%s: memory address frame start=0x%08x\n", 387 device_xname(sc->sc_dev), sc->sc_memaddr_frame_start); 388 DPRINTF(1, "%s: memory address frame end=0x%08x\n", 389 device_xname(sc->sc_dev), sc->sc_memaddr_frame_end); 390 DPRINTF(1, "%s: memory address rx start=0x%08x\n", 391 device_xname(sc->sc_dev), sc->sc_memaddr_rx_start); 392 393 upgt_mem_init(sc); 394 395 /* 396 * Load the firmware. 397 */ 398 if (upgt_fw_load(sc) != 0) 399 goto fail; 400 401 /* 402 * Startup the RX pipe. 403 */ 404 struct upgt_data *data_rx = &sc->rx_data; 405 406 usbd_setup_xfer(data_rx->xfer, data_rx, data_rx->buf, 407 MCLBYTES, USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 408 error = usbd_transfer(data_rx->xfer); 409 if (error != USBD_NORMAL_COMPLETION && error != USBD_IN_PROGRESS) { 410 aprint_error_dev(sc->sc_dev, 411 "could not queue RX transfer\n"); 412 goto fail; 413 } 414 usbd_delay_ms(sc->sc_udev, 100); 415 416 /* 417 * Read the whole EEPROM content and parse it. 418 */ 419 if (upgt_eeprom_read(sc) != 0) 420 goto fail; 421 if (upgt_eeprom_parse(sc) != 0) 422 goto fail; 423 424 /* 425 * Setup the 802.11 device. 426 */ 427 ic->ic_ifp = ifp; 428 ic->ic_phytype = IEEE80211_T_OFDM; 429 ic->ic_opmode = IEEE80211_M_STA; 430 ic->ic_state = IEEE80211_S_INIT; 431 ic->ic_caps = 432 IEEE80211_C_MONITOR | 433 IEEE80211_C_SHPREAMBLE | 434 IEEE80211_C_SHSLOT; 435 436 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 437 ic->ic_sup_rates[IEEE80211_MODE_11G] = ieee80211_std_rateset_11g; 438 439 for (i = 1; i <= 14; i++) { 440 ic->ic_channels[i].ic_freq = 441 ieee80211_ieee2mhz(i, IEEE80211_CHAN_2GHZ); 442 ic->ic_channels[i].ic_flags = 443 IEEE80211_CHAN_CCK | IEEE80211_CHAN_OFDM | 444 IEEE80211_CHAN_DYN | IEEE80211_CHAN_2GHZ; 445 } 446 447 ifp->if_softc = sc; 448 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 449 ifp->if_init = upgt_init; 450 ifp->if_ioctl = upgt_ioctl; 451 ifp->if_start = upgt_start; 452 ifp->if_watchdog = upgt_watchdog; 453 IFQ_SET_READY(&ifp->if_snd); 454 memcpy(ifp->if_xname, device_xname(sc->sc_dev), IFNAMSIZ); 455 456 if_attach(ifp); 457 ieee80211_ifattach(ic); 458 ic->ic_newassoc = upgt_newassoc; 459 460 sc->sc_newstate = ic->ic_newstate; 461 ic->ic_newstate = upgt_newstate; 462 ieee80211_media_init(ic, upgt_media_change, ieee80211_media_status); 463 464 bpf_attach2(ifp, DLT_IEEE802_11_RADIO, 465 sizeof(struct ieee80211_frame) + IEEE80211_RADIOTAP_HDRLEN, 466 &sc->sc_drvbpf); 467 468 sc->sc_rxtap_len = sizeof(sc->sc_rxtapu); 469 sc->sc_rxtap.wr_ihdr.it_len = htole16(sc->sc_rxtap_len); 470 sc->sc_rxtap.wr_ihdr.it_present = htole32(UPGT_RX_RADIOTAP_PRESENT); 471 472 sc->sc_txtap_len = sizeof(sc->sc_txtapu); 473 sc->sc_txtap.wt_ihdr.it_len = htole16(sc->sc_txtap_len); 474 sc->sc_txtap.wt_ihdr.it_present = htole32(UPGT_TX_RADIOTAP_PRESENT); 475 476 aprint_normal_dev(sc->sc_dev, "address %s\n", 477 ether_sprintf(ic->ic_myaddr)); 478 479 ieee80211_announce(ic); 480 481 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 482 483 /* device attached */ 484 sc->sc_flags |= UPGT_DEVICE_ATTACHED; 485 486 return; 487 fail: 488 aprint_error_dev(sc->sc_dev, "%s failed\n", __func__); 489 } 490 491 static int 492 upgt_detach(device_t self, int flags) 493 { 494 struct upgt_softc *sc = device_private(self); 495 struct ifnet *ifp = &sc->sc_if; 496 struct ieee80211com *ic = &sc->sc_ic; 497 int s; 498 499 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 500 501 s = splnet(); 502 503 if (ifp->if_flags & IFF_RUNNING) 504 upgt_stop(sc); 505 506 /* remove tasks and timeouts */ 507 callout_halt(&sc->scan_to, NULL); 508 callout_halt(&sc->led_to, NULL); 509 usb_rem_task_wait(sc->sc_udev, &sc->sc_task_newstate, USB_TASKQ_DRIVER); 510 usb_rem_task_wait(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); 511 callout_destroy(&sc->scan_to); 512 callout_destroy(&sc->led_to); 513 514 /* abort and close TX / RX pipes */ 515 if (sc->sc_tx_pipeh != NULL) { 516 usbd_abort_pipe(sc->sc_tx_pipeh); 517 } 518 if (sc->sc_rx_pipeh != NULL) { 519 usbd_abort_pipe(sc->sc_rx_pipeh); 520 } 521 522 /* free xfers */ 523 upgt_free_tx(sc); 524 upgt_free_rx(sc); 525 upgt_free_cmd(sc); 526 527 /* Close TX / RX pipes */ 528 if (sc->sc_tx_pipeh != NULL) { 529 usbd_close_pipe(sc->sc_tx_pipeh); 530 } 531 if (sc->sc_rx_pipeh != NULL) { 532 usbd_close_pipe(sc->sc_rx_pipeh); 533 } 534 535 /* free firmware */ 536 upgt_fw_free(sc); 537 538 if (sc->sc_flags & UPGT_DEVICE_ATTACHED) { 539 /* detach interface */ 540 bpf_detach(ifp); 541 ieee80211_ifdetach(ic); 542 if_detach(ifp); 543 } 544 545 splx(s); 546 547 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 548 549 return 0; 550 } 551 552 static int 553 upgt_activate(device_t self, devact_t act) 554 { 555 struct upgt_softc *sc = device_private(self); 556 557 switch (act) { 558 case DVACT_DEACTIVATE: 559 if_deactivate(&sc->sc_if); 560 return 0; 561 default: 562 return EOPNOTSUPP; 563 } 564 } 565 566 static int 567 upgt_device_type(struct upgt_softc *sc, uint16_t vendor, uint16_t product) 568 { 569 570 if (usb_lookup(upgt_devs_1, vendor, product) != NULL) { 571 sc->sc_device_type = 1; 572 /* XXX */ 573 aprint_error_dev(sc->sc_dev, 574 "version 1 devices not supported yet\n"); 575 return 1; 576 } else 577 sc->sc_device_type = 2; 578 579 return 0; 580 } 581 582 static int 583 upgt_device_init(struct upgt_softc *sc) 584 { 585 struct upgt_data *data_cmd = &sc->cmd_data; 586 const uint8_t init_cmd[] = { 0x7e, 0x7e, 0x7e, 0x7e }; 587 int len; 588 589 len = sizeof(init_cmd); 590 memcpy(data_cmd->buf, init_cmd, len); 591 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 592 aprint_error_dev(sc->sc_dev, 593 "could not send device init string\n"); 594 return EIO; 595 } 596 usbd_delay_ms(sc->sc_udev, 100); 597 598 DPRINTF(1, "%s: device initialized\n", device_xname(sc->sc_dev)); 599 600 return 0; 601 } 602 603 static int 604 upgt_mem_init(struct upgt_softc *sc) 605 { 606 int i; 607 608 for (i = 0; i < UPGT_MEMORY_MAX_PAGES; i++) { 609 sc->sc_memory.page[i].used = 0; 610 611 if (i == 0) { 612 /* 613 * The first memory page is always reserved for 614 * command data. 615 */ 616 sc->sc_memory.page[i].addr = 617 sc->sc_memaddr_frame_start + MCLBYTES; 618 } else { 619 sc->sc_memory.page[i].addr = 620 sc->sc_memory.page[i - 1].addr + MCLBYTES; 621 } 622 623 if (sc->sc_memory.page[i].addr + MCLBYTES >= 624 sc->sc_memaddr_frame_end) 625 break; 626 627 DPRINTF(2, "%s: memory address page %d=0x%08x\n", 628 device_xname(sc->sc_dev), i, sc->sc_memory.page[i].addr); 629 } 630 631 sc->sc_memory.pages = i; 632 633 DPRINTF(2, "%s: memory pages=%d\n", 634 device_xname(sc->sc_dev), sc->sc_memory.pages); 635 636 return 0; 637 } 638 639 static uint32_t 640 upgt_mem_alloc(struct upgt_softc *sc) 641 { 642 int i; 643 644 for (i = 0; i < sc->sc_memory.pages; i++) { 645 if (sc->sc_memory.page[i].used == 0) { 646 sc->sc_memory.page[i].used = 1; 647 return sc->sc_memory.page[i].addr; 648 } 649 } 650 651 return 0; 652 } 653 654 static void 655 upgt_mem_free(struct upgt_softc *sc, uint32_t addr) 656 { 657 int i; 658 659 for (i = 0; i < sc->sc_memory.pages; i++) { 660 if (sc->sc_memory.page[i].addr == addr) { 661 sc->sc_memory.page[i].used = 0; 662 return; 663 } 664 } 665 666 aprint_error_dev(sc->sc_dev, "could not free memory address 0x%08x\n", 667 addr); 668 } 669 670 671 static int 672 upgt_fw_alloc(struct upgt_softc *sc) 673 { 674 const char *name = "upgt-gw3887"; 675 int error; 676 677 if (sc->sc_fw == NULL) { 678 error = firmware_load("upgt", name, &sc->sc_fw, 679 &sc->sc_fw_size); 680 if (error != 0) { 681 if (error == ENOENT) { 682 /* 683 * The firmware file for upgt(4) is not in 684 * the default distribution due to its lisence 685 * so explicitly notify it if the firmware file 686 * is not found. 687 */ 688 aprint_error_dev(sc->sc_dev, 689 "firmware file %s is not installed\n", 690 name); 691 aprint_error_dev(sc->sc_dev, 692 "(it is not included in the default" 693 " distribution)\n"); 694 aprint_error_dev(sc->sc_dev, 695 "see upgt(4) man page for details about " 696 "firmware installation\n"); 697 } else { 698 aprint_error_dev(sc->sc_dev, 699 "could not read firmware %s\n", name); 700 } 701 return EIO; 702 } 703 } 704 705 DPRINTF(1, "%s: firmware %s allocated\n", device_xname(sc->sc_dev), 706 name); 707 708 return 0; 709 } 710 711 static void 712 upgt_fw_free(struct upgt_softc *sc) 713 { 714 715 if (sc->sc_fw != NULL) { 716 firmware_free(sc->sc_fw, sc->sc_fw_size); 717 sc->sc_fw = NULL; 718 DPRINTF(1, "%s: firmware freed\n", device_xname(sc->sc_dev)); 719 } 720 } 721 722 static int 723 upgt_fw_verify(struct upgt_softc *sc) 724 { 725 struct upgt_fw_bra_option *bra_option; 726 uint32_t bra_option_type, bra_option_len; 727 uint32_t *uc; 728 int offset, bra_end = 0; 729 730 /* 731 * Seek to beginning of Boot Record Area (BRA). 732 */ 733 for (offset = 0; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 734 uc = (uint32_t *)(sc->sc_fw + offset); 735 if (*uc == 0) 736 break; 737 } 738 for (; offset < sc->sc_fw_size; offset += sizeof(*uc)) { 739 uc = (uint32_t *)(sc->sc_fw + offset); 740 if (*uc != 0) 741 break; 742 } 743 if (offset == sc->sc_fw_size) { 744 aprint_error_dev(sc->sc_dev, 745 "firmware Boot Record Area not found\n"); 746 return EIO; 747 } 748 DPRINTF(1, "%s: firmware Boot Record Area found at offset %d\n", 749 device_xname(sc->sc_dev), offset); 750 751 /* 752 * Parse Boot Record Area (BRA) options. 753 */ 754 while (offset < sc->sc_fw_size && bra_end == 0) { 755 /* get current BRA option */ 756 bra_option = (struct upgt_fw_bra_option *)(sc->sc_fw + offset); 757 bra_option_type = le32toh(bra_option->type); 758 bra_option_len = le32toh(bra_option->len) * sizeof(*uc); 759 760 switch (bra_option_type) { 761 case UPGT_BRA_TYPE_FW: 762 DPRINTF(1, "%s: UPGT_BRA_TYPE_FW len=%d\n", 763 device_xname(sc->sc_dev), bra_option_len); 764 765 if (bra_option_len != UPGT_BRA_FWTYPE_SIZE) { 766 aprint_error_dev(sc->sc_dev, 767 "wrong UPGT_BRA_TYPE_FW len\n"); 768 return EIO; 769 } 770 if (memcmp(UPGT_BRA_FWTYPE_LM86, bra_option->data, 771 bra_option_len) == 0) { 772 sc->sc_fw_type = UPGT_FWTYPE_LM86; 773 break; 774 } 775 if (memcmp(UPGT_BRA_FWTYPE_LM87, bra_option->data, 776 bra_option_len) == 0) { 777 sc->sc_fw_type = UPGT_FWTYPE_LM87; 778 break; 779 } 780 if (memcmp(UPGT_BRA_FWTYPE_FMAC, bra_option->data, 781 bra_option_len) == 0) { 782 sc->sc_fw_type = UPGT_FWTYPE_FMAC; 783 break; 784 } 785 aprint_error_dev(sc->sc_dev, 786 "unsupported firmware type\n"); 787 return EIO; 788 case UPGT_BRA_TYPE_VERSION: 789 DPRINTF(1, "%s: UPGT_BRA_TYPE_VERSION len=%d\n", 790 device_xname(sc->sc_dev), bra_option_len); 791 break; 792 case UPGT_BRA_TYPE_DEPIF: 793 DPRINTF(1, "%s: UPGT_BRA_TYPE_DEPIF len=%d\n", 794 device_xname(sc->sc_dev), bra_option_len); 795 break; 796 case UPGT_BRA_TYPE_EXPIF: 797 DPRINTF(1, "%s: UPGT_BRA_TYPE_EXPIF len=%d\n", 798 device_xname(sc->sc_dev), bra_option_len); 799 break; 800 case UPGT_BRA_TYPE_DESCR: 801 DPRINTF(1, "%s: UPGT_BRA_TYPE_DESCR len=%d\n", 802 device_xname(sc->sc_dev), bra_option_len); 803 804 struct upgt_fw_bra_descr *descr = 805 (struct upgt_fw_bra_descr *)bra_option->data; 806 807 sc->sc_memaddr_frame_start = 808 le32toh(descr->memaddr_space_start); 809 sc->sc_memaddr_frame_end = 810 le32toh(descr->memaddr_space_end); 811 812 DPRINTF(2, "%s: memory address space start=0x%08x\n", 813 device_xname(sc->sc_dev), 814 sc->sc_memaddr_frame_start); 815 DPRINTF(2, "%s: memory address space end=0x%08x\n", 816 device_xname(sc->sc_dev), 817 sc->sc_memaddr_frame_end); 818 break; 819 case UPGT_BRA_TYPE_END: 820 DPRINTF(1, "%s: UPGT_BRA_TYPE_END len=%d\n", 821 device_xname(sc->sc_dev), bra_option_len); 822 bra_end = 1; 823 break; 824 default: 825 DPRINTF(1, "%s: unknown BRA option len=%d\n", 826 device_xname(sc->sc_dev), bra_option_len); 827 return EIO; 828 } 829 830 /* jump to next BRA option */ 831 offset += sizeof(struct upgt_fw_bra_option) + bra_option_len; 832 } 833 834 DPRINTF(1, "%s: firmware verified\n", device_xname(sc->sc_dev)); 835 836 return 0; 837 } 838 839 static int 840 upgt_fw_load(struct upgt_softc *sc) 841 { 842 struct upgt_data *data_cmd = &sc->cmd_data; 843 struct upgt_data *data_rx = &sc->rx_data; 844 struct upgt_fw_x2_header *x2; 845 const uint8_t start_fwload_cmd[] = { 0x3c, 0x0d }; 846 int offset, bsize, n, i, len; 847 uint32_t crc; 848 849 /* send firmware start load command */ 850 len = sizeof(start_fwload_cmd); 851 memcpy(data_cmd->buf, start_fwload_cmd, len); 852 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 853 aprint_error_dev(sc->sc_dev, 854 "could not send start_firmware_load command\n"); 855 return EIO; 856 } 857 858 /* send X2 header */ 859 len = sizeof(struct upgt_fw_x2_header); 860 x2 = (struct upgt_fw_x2_header *)data_cmd->buf; 861 memcpy(x2->signature, UPGT_X2_SIGNATURE, UPGT_X2_SIGNATURE_SIZE); 862 x2->startaddr = htole32(UPGT_MEMADDR_FIRMWARE_START); 863 x2->len = htole32(sc->sc_fw_size); 864 x2->crc = upgt_crc32_le(data_cmd->buf + UPGT_X2_SIGNATURE_SIZE, 865 sizeof(struct upgt_fw_x2_header) - UPGT_X2_SIGNATURE_SIZE - 866 sizeof(uint32_t)); 867 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 868 aprint_error_dev(sc->sc_dev, 869 "could not send firmware X2 header\n"); 870 return EIO; 871 } 872 873 /* download firmware */ 874 for (offset = 0; offset < sc->sc_fw_size; offset += bsize) { 875 if (sc->sc_fw_size - offset > UPGT_FW_BLOCK_SIZE) 876 bsize = UPGT_FW_BLOCK_SIZE; 877 else 878 bsize = sc->sc_fw_size - offset; 879 880 n = upgt_fw_copy(sc->sc_fw + offset, data_cmd->buf, bsize); 881 882 DPRINTF(1, "%s: FW offset=%d, read=%d, sent=%d\n", 883 device_xname(sc->sc_dev), offset, n, bsize); 884 885 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &bsize, 0) 886 != 0) { 887 aprint_error_dev(sc->sc_dev, 888 "error while downloading firmware block\n"); 889 return EIO; 890 } 891 892 bsize = n; 893 } 894 DPRINTF(1, "%s: firmware downloaded\n", device_xname(sc->sc_dev)); 895 896 /* load firmware */ 897 crc = upgt_crc32_le(sc->sc_fw, sc->sc_fw_size); 898 *((uint32_t *)(data_cmd->buf) ) = crc; 899 *((uint8_t *)(data_cmd->buf) + 4) = 'g'; 900 *((uint8_t *)(data_cmd->buf) + 5) = '\r'; 901 len = 6; 902 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 903 aprint_error_dev(sc->sc_dev, 904 "could not send load_firmware command\n"); 905 return EIO; 906 } 907 908 for (i = 0; i < UPGT_FIRMWARE_TIMEOUT; i++) { 909 len = UPGT_FW_BLOCK_SIZE; 910 memset(data_rx->buf, 0, 2); 911 if (upgt_bulk_xmit(sc, data_rx, sc->sc_rx_pipeh, &len, 912 USBD_SHORT_XFER_OK) != 0) { 913 aprint_error_dev(sc->sc_dev, 914 "could not read firmware response\n"); 915 return EIO; 916 } 917 918 if (memcmp(data_rx->buf, "OK", 2) == 0) 919 break; /* firmware load was successful */ 920 } 921 if (i == UPGT_FIRMWARE_TIMEOUT) { 922 aprint_error_dev(sc->sc_dev, "firmware load failed\n"); 923 return EIO; 924 } 925 DPRINTF(1, "%s: firmware loaded\n", device_xname(sc->sc_dev)); 926 927 return 0; 928 } 929 930 /* 931 * While copying the version 2 firmware, we need to replace two characters: 932 * 933 * 0x7e -> 0x7d 0x5e 934 * 0x7d -> 0x7d 0x5d 935 */ 936 static int 937 upgt_fw_copy(char *src, char *dst, int size) 938 { 939 int i, j; 940 941 for (i = 0, j = 0; i < size && j < size; i++) { 942 switch (src[i]) { 943 case 0x7e: 944 dst[j] = 0x7d; 945 j++; 946 dst[j] = 0x5e; 947 j++; 948 break; 949 case 0x7d: 950 dst[j] = 0x7d; 951 j++; 952 dst[j] = 0x5d; 953 j++; 954 break; 955 default: 956 dst[j] = src[i]; 957 j++; 958 break; 959 } 960 } 961 962 return i; 963 } 964 965 static int 966 upgt_eeprom_read(struct upgt_softc *sc) 967 { 968 struct upgt_data *data_cmd = &sc->cmd_data; 969 struct upgt_lmac_mem *mem; 970 struct upgt_lmac_eeprom *eeprom; 971 int offset, block, len; 972 973 offset = 0; 974 block = UPGT_EEPROM_BLOCK_SIZE; 975 while (offset < UPGT_EEPROM_SIZE) { 976 DPRINTF(1, "%s: request EEPROM block (offset=%d, len=%d)\n", 977 device_xname(sc->sc_dev), offset, block); 978 979 /* 980 * Transmit the URB containing the CMD data. 981 */ 982 len = sizeof(*mem) + sizeof(*eeprom) + block; 983 984 memset(data_cmd->buf, 0, len); 985 986 mem = (struct upgt_lmac_mem *)data_cmd->buf; 987 mem->addr = htole32(sc->sc_memaddr_frame_start + 988 UPGT_MEMSIZE_FRAME_HEAD); 989 990 eeprom = (struct upgt_lmac_eeprom *)(mem + 1); 991 eeprom->header1.flags = 0; 992 eeprom->header1.type = UPGT_H1_TYPE_CTRL; 993 eeprom->header1.len = htole16(( 994 sizeof(struct upgt_lmac_eeprom) - 995 sizeof(struct upgt_lmac_header)) + block); 996 997 eeprom->header2.reqid = htole32(sc->sc_memaddr_frame_start); 998 eeprom->header2.type = htole16(UPGT_H2_TYPE_EEPROM); 999 eeprom->header2.flags = 0; 1000 1001 eeprom->offset = htole16(offset); 1002 eeprom->len = htole16(block); 1003 1004 mem->chksum = upgt_chksum_le((uint32_t *)eeprom, 1005 len - sizeof(*mem)); 1006 1007 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 1008 USBD_FORCE_SHORT_XFER) != 0) { 1009 aprint_error_dev(sc->sc_dev, 1010 "could not transmit EEPROM data URB\n"); 1011 return EIO; 1012 } 1013 if (tsleep(sc, 0, "eeprom_request", UPGT_USB_TIMEOUT)) { 1014 aprint_error_dev(sc->sc_dev, 1015 "timeout while waiting for EEPROM data\n"); 1016 return EIO; 1017 } 1018 1019 offset += block; 1020 if (UPGT_EEPROM_SIZE - offset < block) 1021 block = UPGT_EEPROM_SIZE - offset; 1022 } 1023 1024 return 0; 1025 } 1026 1027 static int 1028 upgt_eeprom_parse(struct upgt_softc *sc) 1029 { 1030 struct ieee80211com *ic = &sc->sc_ic; 1031 struct upgt_eeprom_header *eeprom_header; 1032 struct upgt_eeprom_option *eeprom_option; 1033 uint16_t option_len; 1034 uint16_t option_type; 1035 uint16_t preamble_len; 1036 int option_end = 0; 1037 1038 /* calculate eeprom options start offset */ 1039 eeprom_header = (struct upgt_eeprom_header *)sc->sc_eeprom; 1040 preamble_len = le16toh(eeprom_header->preamble_len); 1041 eeprom_option = (struct upgt_eeprom_option *)(sc->sc_eeprom + 1042 (sizeof(struct upgt_eeprom_header) + preamble_len)); 1043 1044 while (!option_end) { 1045 /* the eeprom option length is stored in words */ 1046 option_len = 1047 (le16toh(eeprom_option->len) - 1) * sizeof(uint16_t); 1048 option_type = 1049 le16toh(eeprom_option->type); 1050 1051 switch (option_type) { 1052 case UPGT_EEPROM_TYPE_NAME: 1053 DPRINTF(1, "%s: EEPROM name len=%d\n", 1054 device_xname(sc->sc_dev), option_len); 1055 break; 1056 case UPGT_EEPROM_TYPE_SERIAL: 1057 DPRINTF(1, "%s: EEPROM serial len=%d\n", 1058 device_xname(sc->sc_dev), option_len); 1059 break; 1060 case UPGT_EEPROM_TYPE_MAC: 1061 DPRINTF(1, "%s: EEPROM mac len=%d\n", 1062 device_xname(sc->sc_dev), option_len); 1063 1064 IEEE80211_ADDR_COPY(ic->ic_myaddr, eeprom_option->data); 1065 break; 1066 case UPGT_EEPROM_TYPE_HWRX: 1067 DPRINTF(1, "%s: EEPROM hwrx len=%d\n", 1068 device_xname(sc->sc_dev), option_len); 1069 1070 upgt_eeprom_parse_hwrx(sc, eeprom_option->data); 1071 break; 1072 case UPGT_EEPROM_TYPE_CHIP: 1073 DPRINTF(1, "%s: EEPROM chip len=%d\n", 1074 device_xname(sc->sc_dev), option_len); 1075 break; 1076 case UPGT_EEPROM_TYPE_FREQ3: 1077 DPRINTF(1, "%s: EEPROM freq3 len=%d\n", 1078 device_xname(sc->sc_dev), option_len); 1079 1080 upgt_eeprom_parse_freq3(sc, eeprom_option->data, 1081 option_len); 1082 break; 1083 case UPGT_EEPROM_TYPE_FREQ4: 1084 DPRINTF(1, "%s: EEPROM freq4 len=%d\n", 1085 device_xname(sc->sc_dev), option_len); 1086 1087 upgt_eeprom_parse_freq4(sc, eeprom_option->data, 1088 option_len); 1089 break; 1090 case UPGT_EEPROM_TYPE_FREQ5: 1091 DPRINTF(1, "%s: EEPROM freq5 len=%d\n", 1092 device_xname(sc->sc_dev), option_len); 1093 break; 1094 case UPGT_EEPROM_TYPE_FREQ6: 1095 DPRINTF(1, "%s: EEPROM freq6 len=%d\n", 1096 device_xname(sc->sc_dev), option_len); 1097 1098 upgt_eeprom_parse_freq6(sc, eeprom_option->data, 1099 option_len); 1100 break; 1101 case UPGT_EEPROM_TYPE_END: 1102 DPRINTF(1, "%s: EEPROM end len=%d\n", 1103 device_xname(sc->sc_dev), option_len); 1104 option_end = 1; 1105 break; 1106 case UPGT_EEPROM_TYPE_OFF: 1107 DPRINTF(1, "%s: EEPROM off without end option\n", 1108 device_xname(sc->sc_dev)); 1109 return EIO; 1110 default: 1111 DPRINTF(1, "%s: EEPROM unknown type 0x%04x len=%d\n", 1112 device_xname(sc->sc_dev), option_type, option_len); 1113 break; 1114 } 1115 1116 /* jump to next EEPROM option */ 1117 eeprom_option = (struct upgt_eeprom_option *) 1118 (eeprom_option->data + option_len); 1119 } 1120 1121 return 0; 1122 } 1123 1124 static void 1125 upgt_eeprom_parse_hwrx(struct upgt_softc *sc, uint8_t *data) 1126 { 1127 struct upgt_eeprom_option_hwrx *option_hwrx; 1128 1129 option_hwrx = (struct upgt_eeprom_option_hwrx *)data; 1130 1131 sc->sc_eeprom_hwrx = option_hwrx->rxfilter - UPGT_EEPROM_RX_CONST; 1132 1133 DPRINTF(2, "%s: hwrx option value=0x%04x\n", 1134 device_xname(sc->sc_dev), sc->sc_eeprom_hwrx); 1135 } 1136 1137 static void 1138 upgt_eeprom_parse_freq3(struct upgt_softc *sc, uint8_t *data, int len) 1139 { 1140 struct upgt_eeprom_freq3_header *freq3_header; 1141 struct upgt_lmac_freq3 *freq3; 1142 int i, elements, flags; 1143 unsigned channel; 1144 1145 freq3_header = (struct upgt_eeprom_freq3_header *)data; 1146 freq3 = (struct upgt_lmac_freq3 *)(freq3_header + 1); 1147 1148 flags = freq3_header->flags; 1149 elements = freq3_header->elements; 1150 1151 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1152 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1153 __USE(flags); 1154 1155 for (i = 0; i < elements; i++) { 1156 channel = ieee80211_mhz2ieee(le16toh(freq3[i].freq), 0); 1157 1158 sc->sc_eeprom_freq3[channel] = freq3[i]; 1159 1160 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1161 device_xname(sc->sc_dev), 1162 le16toh(sc->sc_eeprom_freq3[channel].freq), channel); 1163 } 1164 } 1165 1166 static void 1167 upgt_eeprom_parse_freq4(struct upgt_softc *sc, uint8_t *data, int len) 1168 { 1169 struct upgt_eeprom_freq4_header *freq4_header; 1170 struct upgt_eeprom_freq4_1 *freq4_1; 1171 struct upgt_eeprom_freq4_2 *freq4_2; 1172 int i, j, elements, settings, flags; 1173 unsigned channel; 1174 1175 freq4_header = (struct upgt_eeprom_freq4_header *)data; 1176 freq4_1 = (struct upgt_eeprom_freq4_1 *)(freq4_header + 1); 1177 1178 flags = freq4_header->flags; 1179 elements = freq4_header->elements; 1180 settings = freq4_header->settings; 1181 1182 /* we need this value later */ 1183 sc->sc_eeprom_freq6_settings = freq4_header->settings; 1184 1185 DPRINTF(2, "%s: flags=0x%02x\n", device_xname(sc->sc_dev), flags); 1186 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1187 DPRINTF(2, "%s: settings=%d\n", device_xname(sc->sc_dev), settings); 1188 __USE(flags); 1189 1190 for (i = 0; i < elements; i++) { 1191 channel = ieee80211_mhz2ieee(le16toh(freq4_1[i].freq), 0); 1192 1193 freq4_2 = (struct upgt_eeprom_freq4_2 *)freq4_1[i].data; 1194 1195 for (j = 0; j < settings; j++) { 1196 sc->sc_eeprom_freq4[channel][j].cmd = freq4_2[j]; 1197 sc->sc_eeprom_freq4[channel][j].pad = 0; 1198 } 1199 1200 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1201 device_xname(sc->sc_dev), 1202 le16toh(freq4_1[i].freq), channel); 1203 } 1204 } 1205 1206 static void 1207 upgt_eeprom_parse_freq6(struct upgt_softc *sc, uint8_t *data, int len) 1208 { 1209 struct upgt_lmac_freq6 *freq6; 1210 int i, elements; 1211 unsigned channel; 1212 1213 freq6 = (struct upgt_lmac_freq6 *)data; 1214 1215 elements = len / sizeof(struct upgt_lmac_freq6); 1216 1217 DPRINTF(2, "%s: elements=%d\n", device_xname(sc->sc_dev), elements); 1218 1219 for (i = 0; i < elements; i++) { 1220 channel = ieee80211_mhz2ieee(le16toh(freq6[i].freq), 0); 1221 1222 sc->sc_eeprom_freq6[channel] = freq6[i]; 1223 1224 DPRINTF(2, "%s: frequence=%d, channel=%d\n", 1225 device_xname(sc->sc_dev), 1226 le16toh(sc->sc_eeprom_freq6[channel].freq), channel); 1227 } 1228 } 1229 1230 static int 1231 upgt_ioctl(struct ifnet *ifp, u_long cmd, void *data) 1232 { 1233 struct upgt_softc *sc = ifp->if_softc; 1234 struct ieee80211com *ic = &sc->sc_ic; 1235 int s, error = 0; 1236 1237 s = splnet(); 1238 1239 switch (cmd) { 1240 case SIOCSIFFLAGS: 1241 if ((error = ifioctl_common(ifp, cmd, data)) != 0) 1242 break; 1243 if (ifp->if_flags & IFF_UP) { 1244 if ((ifp->if_flags & IFF_RUNNING) == 0) 1245 upgt_init(ifp); 1246 } else { 1247 if (ifp->if_flags & IFF_RUNNING) 1248 upgt_stop(sc); 1249 } 1250 break; 1251 case SIOCADDMULTI: 1252 case SIOCDELMULTI: 1253 if ((error = ether_ioctl(ifp, cmd, data)) == ENETRESET) { 1254 /* setup multicast filter, etc */ 1255 error = 0; 1256 } 1257 break; 1258 default: 1259 error = ieee80211_ioctl(ic, cmd, data); 1260 break; 1261 } 1262 1263 if (error == ENETRESET) { 1264 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1265 (IFF_UP | IFF_RUNNING)) 1266 upgt_init(ifp); 1267 error = 0; 1268 } 1269 1270 splx(s); 1271 1272 return error; 1273 } 1274 1275 static int 1276 upgt_init(struct ifnet *ifp) 1277 { 1278 struct upgt_softc *sc = ifp->if_softc; 1279 struct ieee80211com *ic = &sc->sc_ic; 1280 1281 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1282 1283 if (ifp->if_flags & IFF_RUNNING) 1284 upgt_stop(sc); 1285 1286 ifp->if_flags |= IFF_RUNNING; 1287 ifp->if_flags &= ~IFF_OACTIVE; 1288 1289 IEEE80211_ADDR_COPY(ic->ic_myaddr, CLLADDR(ifp->if_sadl)); 1290 1291 /* setup device rates */ 1292 upgt_setup_rates(sc); 1293 1294 if (ic->ic_opmode == IEEE80211_M_MONITOR) 1295 ieee80211_new_state(ic, IEEE80211_S_RUN, -1); 1296 else 1297 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1298 1299 return 0; 1300 } 1301 1302 static void 1303 upgt_stop(struct upgt_softc *sc) 1304 { 1305 struct ieee80211com *ic = &sc->sc_ic; 1306 struct ifnet *ifp = &sc->sc_if; 1307 1308 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1309 1310 /* device down */ 1311 ifp->if_timer = 0; 1312 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 1313 1314 /* change device back to initial state */ 1315 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1316 } 1317 1318 static int 1319 upgt_media_change(struct ifnet *ifp) 1320 { 1321 struct upgt_softc *sc = ifp->if_softc; 1322 int error; 1323 1324 DPRINTF(1, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1325 1326 if ((error = ieee80211_media_change(ifp)) != ENETRESET) 1327 return error; 1328 1329 if ((ifp->if_flags & (IFF_UP | IFF_RUNNING)) == 1330 (IFF_UP | IFF_RUNNING)) { 1331 /* give pending USB transfers a chance to finish */ 1332 usbd_delay_ms(sc->sc_udev, 100); 1333 upgt_init(ifp); 1334 } 1335 1336 return 0; 1337 } 1338 1339 static void 1340 upgt_newassoc(struct ieee80211_node *ni, int isnew) 1341 { 1342 1343 ni->ni_txrate = 0; 1344 } 1345 1346 static int 1347 upgt_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1348 { 1349 struct upgt_softc *sc = ic->ic_ifp->if_softc; 1350 1351 /* 1352 * XXXSMP: This does not wait for the task, if it is in flight, 1353 * to complete. If this code works at all, it must rely on the 1354 * kernel lock to serialize with the USB task thread. 1355 */ 1356 usb_rem_task(sc->sc_udev, &sc->sc_task_newstate); 1357 callout_stop(&sc->scan_to); 1358 1359 /* do it in a process context */ 1360 sc->sc_state = nstate; 1361 sc->sc_arg = arg; 1362 usb_add_task(sc->sc_udev, &sc->sc_task_newstate, USB_TASKQ_DRIVER); 1363 1364 return 0; 1365 } 1366 1367 static void 1368 upgt_newstate_task(void *arg) 1369 { 1370 struct upgt_softc *sc = arg; 1371 struct ieee80211com *ic = &sc->sc_ic; 1372 struct ieee80211_node *ni; 1373 unsigned channel; 1374 1375 mutex_enter(&sc->sc_mtx); 1376 1377 switch (sc->sc_state) { 1378 case IEEE80211_S_INIT: 1379 DPRINTF(1, "%s: newstate is IEEE80211_S_INIT\n", 1380 device_xname(sc->sc_dev)); 1381 1382 /* do not accept any frames if the device is down */ 1383 upgt_set_macfilter(sc, IEEE80211_S_INIT); 1384 upgt_set_led(sc, UPGT_LED_OFF); 1385 break; 1386 case IEEE80211_S_SCAN: 1387 DPRINTF(1, "%s: newstate is IEEE80211_S_SCAN\n", 1388 device_xname(sc->sc_dev)); 1389 1390 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1391 upgt_set_channel(sc, channel); 1392 upgt_set_macfilter(sc, IEEE80211_S_SCAN); 1393 callout_schedule(&sc->scan_to, hz / 5); 1394 break; 1395 case IEEE80211_S_AUTH: 1396 DPRINTF(1, "%s: newstate is IEEE80211_S_AUTH\n", 1397 device_xname(sc->sc_dev)); 1398 1399 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1400 upgt_set_channel(sc, channel); 1401 break; 1402 case IEEE80211_S_ASSOC: 1403 DPRINTF(1, "%s: newstate is IEEE80211_S_ASSOC\n", 1404 device_xname(sc->sc_dev)); 1405 1406 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1407 upgt_set_channel(sc, channel); 1408 break; 1409 case IEEE80211_S_RUN: 1410 DPRINTF(1, "%s: newstate is IEEE80211_S_RUN\n", 1411 device_xname(sc->sc_dev)); 1412 1413 channel = ieee80211_chan2ieee(ic, ic->ic_curchan); 1414 upgt_set_channel(sc, channel); 1415 1416 ni = ic->ic_bss; 1417 1418 /* 1419 * TX rate control is done by the firmware. 1420 * Report the maximum rate which is available therefore. 1421 */ 1422 ni->ni_txrate = ni->ni_rates.rs_nrates - 1; 1423 1424 if (ic->ic_opmode != IEEE80211_M_MONITOR) 1425 upgt_set_macfilter(sc, IEEE80211_S_RUN); 1426 upgt_set_led(sc, UPGT_LED_ON); 1427 break; 1428 } 1429 1430 mutex_exit(&sc->sc_mtx); 1431 1432 sc->sc_newstate(ic, sc->sc_state, sc->sc_arg); 1433 } 1434 1435 static void 1436 upgt_next_scan(void *arg) 1437 { 1438 struct upgt_softc *sc = arg; 1439 struct ieee80211com *ic = &sc->sc_ic; 1440 1441 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1442 1443 if (ic->ic_state == IEEE80211_S_SCAN) 1444 ieee80211_next_scan(ic); 1445 } 1446 1447 static void 1448 upgt_start(struct ifnet *ifp) 1449 { 1450 struct upgt_softc *sc = ifp->if_softc; 1451 struct ieee80211com *ic = &sc->sc_ic; 1452 struct ether_header *eh; 1453 struct ieee80211_node *ni; 1454 struct mbuf *m; 1455 int i; 1456 1457 /* don't transmit packets if interface is busy or down */ 1458 if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) 1459 return; 1460 1461 DPRINTF(2, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1462 1463 for (i = 0; i < UPGT_TX_COUNT; i++) { 1464 struct upgt_data *data_tx = &sc->tx_data[i]; 1465 1466 if (data_tx->m != NULL) 1467 continue; 1468 1469 IF_POLL(&ic->ic_mgtq, m); 1470 if (m != NULL) { 1471 /* management frame */ 1472 IF_DEQUEUE(&ic->ic_mgtq, m); 1473 1474 ni = M_GETCTX(m, struct ieee80211_node *); 1475 M_CLEARCTX(m); 1476 1477 bpf_mtap3(ic->ic_rawbpf, m, BPF_D_OUT); 1478 1479 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1480 aprint_error_dev(sc->sc_dev, 1481 "no free prism memory\n"); 1482 m_freem(m); 1483 ifp->if_oerrors++; 1484 break; 1485 } 1486 data_tx->ni = ni; 1487 data_tx->m = m; 1488 sc->tx_queued++; 1489 } else { 1490 /* data frame */ 1491 if (ic->ic_state != IEEE80211_S_RUN) 1492 break; 1493 1494 IFQ_POLL(&ifp->if_snd, m); 1495 if (m == NULL) 1496 break; 1497 1498 IFQ_DEQUEUE(&ifp->if_snd, m); 1499 if (m->m_len < sizeof(struct ether_header) && 1500 !(m = m_pullup(m, sizeof(struct ether_header)))) 1501 continue; 1502 1503 eh = mtod(m, struct ether_header *); 1504 ni = ieee80211_find_txnode(ic, eh->ether_dhost); 1505 if (ni == NULL) { 1506 m_freem(m); 1507 continue; 1508 } 1509 1510 bpf_mtap(ifp, m, BPF_D_OUT); 1511 1512 m = ieee80211_encap(ic, m, ni); 1513 if (m == NULL) { 1514 ieee80211_free_node(ni); 1515 continue; 1516 } 1517 1518 bpf_mtap3(ic->ic_rawbpf, m, BPF_D_OUT); 1519 1520 if ((data_tx->addr = upgt_mem_alloc(sc)) == 0) { 1521 aprint_error_dev(sc->sc_dev, 1522 "no free prism memory\n"); 1523 m_freem(m); 1524 ieee80211_free_node(ni); 1525 ifp->if_oerrors++; 1526 break; 1527 } 1528 data_tx->ni = ni; 1529 data_tx->m = m; 1530 sc->tx_queued++; 1531 } 1532 } 1533 1534 if (sc->tx_queued > 0) { 1535 DPRINTF(2, "%s: tx_queued=%d\n", 1536 device_xname(sc->sc_dev), sc->tx_queued); 1537 /* process the TX queue in process context */ 1538 ifp->if_timer = 5; 1539 ifp->if_flags |= IFF_OACTIVE; 1540 usb_rem_task(sc->sc_udev, &sc->sc_task_tx); 1541 usb_add_task(sc->sc_udev, &sc->sc_task_tx, USB_TASKQ_DRIVER); 1542 } 1543 } 1544 1545 static void 1546 upgt_watchdog(struct ifnet *ifp) 1547 { 1548 struct upgt_softc *sc = ifp->if_softc; 1549 struct ieee80211com *ic = &sc->sc_ic; 1550 1551 if (ic->ic_state == IEEE80211_S_INIT) 1552 return; 1553 1554 aprint_error_dev(sc->sc_dev, "watchdog timeout\n"); 1555 1556 /* TODO: what shall we do on TX timeout? */ 1557 1558 ieee80211_watchdog(ic); 1559 } 1560 1561 static void 1562 upgt_tx_task(void *arg) 1563 { 1564 struct upgt_softc *sc = arg; 1565 struct ieee80211com *ic = &sc->sc_ic; 1566 struct ieee80211_frame *wh; 1567 struct ieee80211_key *k; 1568 struct ifnet *ifp = &sc->sc_if; 1569 struct upgt_lmac_mem *mem; 1570 struct upgt_lmac_tx_desc *txdesc; 1571 struct mbuf *m; 1572 uint32_t addr; 1573 int i, len, pad, s; 1574 usbd_status error; 1575 1576 mutex_enter(&sc->sc_mtx); 1577 upgt_set_led(sc, UPGT_LED_BLINK); 1578 mutex_exit(&sc->sc_mtx); 1579 1580 s = splnet(); 1581 1582 for (i = 0; i < UPGT_TX_COUNT; i++) { 1583 struct upgt_data *data_tx = &sc->tx_data[i]; 1584 1585 if (data_tx->m == NULL) 1586 continue; 1587 1588 m = data_tx->m; 1589 addr = data_tx->addr + UPGT_MEMSIZE_FRAME_HEAD; 1590 1591 /* 1592 * Software crypto. 1593 */ 1594 wh = mtod(m, struct ieee80211_frame *); 1595 1596 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1597 k = ieee80211_crypto_encap(ic, data_tx->ni, m); 1598 if (k == NULL) { 1599 m_freem(m); 1600 data_tx->m = NULL; 1601 ieee80211_free_node(data_tx->ni); 1602 data_tx->ni = NULL; 1603 ifp->if_oerrors++; 1604 break; 1605 } 1606 1607 /* in case packet header moved, reset pointer */ 1608 wh = mtod(m, struct ieee80211_frame *); 1609 } 1610 1611 /* 1612 * Transmit the URB containing the TX data. 1613 */ 1614 memset(data_tx->buf, 0, sizeof(*mem) + sizeof(*txdesc)); 1615 1616 mem = (struct upgt_lmac_mem *)data_tx->buf; 1617 mem->addr = htole32(addr); 1618 1619 txdesc = (struct upgt_lmac_tx_desc *)(mem + 1); 1620 1621 /* XXX differ between data and mgmt frames? */ 1622 txdesc->header1.flags = UPGT_H1_FLAGS_TX_DATA; 1623 txdesc->header1.type = UPGT_H1_TYPE_TX_DATA; 1624 txdesc->header1.len = htole16(m->m_pkthdr.len); 1625 1626 txdesc->header2.reqid = htole32(data_tx->addr); 1627 txdesc->header2.type = htole16(UPGT_H2_TYPE_TX_ACK_YES); 1628 txdesc->header2.flags = htole16(UPGT_H2_FLAGS_TX_ACK_YES); 1629 1630 if ((wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) == 1631 IEEE80211_FC0_TYPE_MGT) { 1632 /* always send mgmt frames at lowest rate (DS1) */ 1633 memset(txdesc->rates, 0x10, sizeof(txdesc->rates)); 1634 } else { 1635 memcpy(txdesc->rates, sc->sc_cur_rateset, 1636 sizeof(txdesc->rates)); 1637 } 1638 txdesc->type = htole32(UPGT_TX_DESC_TYPE_DATA); 1639 txdesc->pad3[0] = UPGT_TX_DESC_PAD3_SIZE; 1640 1641 if (sc->sc_drvbpf != NULL) { 1642 struct upgt_tx_radiotap_header *tap = &sc->sc_txtap; 1643 1644 tap->wt_flags = 0; 1645 tap->wt_rate = 0; /* TODO: where to get from? */ 1646 tap->wt_chan_freq = htole16(ic->ic_curchan->ic_freq); 1647 tap->wt_chan_flags = htole16(ic->ic_curchan->ic_flags); 1648 1649 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_txtap_len, m, 1650 BPF_D_OUT); 1651 } 1652 1653 /* copy frame below our TX descriptor header */ 1654 m_copydata(m, 0, m->m_pkthdr.len, 1655 data_tx->buf + sizeof(*mem) + sizeof(*txdesc)); 1656 1657 /* calculate frame size */ 1658 len = sizeof(*mem) + sizeof(*txdesc) + m->m_pkthdr.len; 1659 1660 if (len & 3) { 1661 /* we need to align the frame to a 4 byte boundary */ 1662 pad = 4 - (len & 3); 1663 memset(data_tx->buf + len, 0, pad); 1664 len += pad; 1665 } 1666 1667 /* calculate frame checksum */ 1668 mem->chksum = upgt_chksum_le((uint32_t *)txdesc, 1669 len - sizeof(*mem)); 1670 1671 /* we do not need the mbuf anymore */ 1672 m_freem(m); 1673 data_tx->m = NULL; 1674 1675 ieee80211_free_node(data_tx->ni); 1676 data_tx->ni = NULL; 1677 1678 DPRINTF(2, "%s: TX start data sending\n", 1679 device_xname(sc->sc_dev)); 1680 1681 usbd_setup_xfer(data_tx->xfer, data_tx, data_tx->buf, len, 1682 USBD_FORCE_SHORT_XFER, UPGT_USB_TIMEOUT, NULL); 1683 error = usbd_transfer(data_tx->xfer); 1684 if (error != USBD_NORMAL_COMPLETION && 1685 error != USBD_IN_PROGRESS) { 1686 aprint_error_dev(sc->sc_dev, 1687 "could not transmit TX data URB\n"); 1688 ifp->if_oerrors++; 1689 break; 1690 } 1691 1692 DPRINTF(2, "%s: TX sent (%d bytes)\n", 1693 device_xname(sc->sc_dev), len); 1694 } 1695 1696 splx(s); 1697 1698 /* 1699 * If we don't regulary read the device statistics, the RX queue 1700 * will stall. It's strange, but it works, so we keep reading 1701 * the statistics here. *shrug* 1702 */ 1703 mutex_enter(&sc->sc_mtx); 1704 upgt_get_stats(sc); 1705 mutex_exit(&sc->sc_mtx); 1706 } 1707 1708 static void 1709 upgt_tx_done(struct upgt_softc *sc, uint8_t *data) 1710 { 1711 struct ifnet *ifp = &sc->sc_if; 1712 struct upgt_lmac_tx_done_desc *desc; 1713 int i, s; 1714 1715 s = splnet(); 1716 1717 desc = (struct upgt_lmac_tx_done_desc *)data; 1718 1719 for (i = 0; i < UPGT_TX_COUNT; i++) { 1720 struct upgt_data *data_tx = &sc->tx_data[i]; 1721 1722 if (data_tx->addr == le32toh(desc->header2.reqid)) { 1723 upgt_mem_free(sc, data_tx->addr); 1724 data_tx->addr = 0; 1725 1726 sc->tx_queued--; 1727 ifp->if_opackets++; 1728 1729 DPRINTF(2, "%s: TX done: ", device_xname(sc->sc_dev)); 1730 DPRINTF(2, "memaddr=0x%08x, status=0x%04x, rssi=%d, ", 1731 le32toh(desc->header2.reqid), 1732 le16toh(desc->status), 1733 le16toh(desc->rssi)); 1734 DPRINTF(2, "seq=%d\n", le16toh(desc->seq)); 1735 break; 1736 } 1737 } 1738 1739 if (sc->tx_queued == 0) { 1740 /* TX queued was processed, continue */ 1741 ifp->if_timer = 0; 1742 ifp->if_flags &= ~IFF_OACTIVE; 1743 upgt_start(ifp); 1744 } 1745 1746 splx(s); 1747 } 1748 1749 static void 1750 upgt_rx_cb(struct usbd_xfer *xfer, void * priv, usbd_status status) 1751 { 1752 struct upgt_data *data_rx = priv; 1753 struct upgt_softc *sc = data_rx->sc; 1754 int len; 1755 struct upgt_lmac_header *header; 1756 struct upgt_lmac_eeprom *eeprom; 1757 uint8_t h1_type; 1758 uint16_t h2_type; 1759 1760 DPRINTF(3, "%s: %s\n", device_xname(sc->sc_dev), __func__); 1761 1762 if (status != USBD_NORMAL_COMPLETION) { 1763 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1764 return; 1765 if (status == USBD_STALLED) 1766 usbd_clear_endpoint_stall_async(sc->sc_rx_pipeh); 1767 goto skip; 1768 } 1769 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1770 1771 /* 1772 * Check what type of frame came in. 1773 */ 1774 header = (struct upgt_lmac_header *)(data_rx->buf + 4); 1775 1776 h1_type = header->header1.type; 1777 h2_type = le16toh(header->header2.type); 1778 1779 if (h1_type == UPGT_H1_TYPE_CTRL && 1780 h2_type == UPGT_H2_TYPE_EEPROM) { 1781 eeprom = (struct upgt_lmac_eeprom *)(data_rx->buf + 4); 1782 uint16_t eeprom_offset = le16toh(eeprom->offset); 1783 uint16_t eeprom_len = le16toh(eeprom->len); 1784 1785 DPRINTF(2, "%s: received EEPROM block (offset=%d, len=%d)\n", 1786 device_xname(sc->sc_dev), eeprom_offset, eeprom_len); 1787 1788 memcpy(sc->sc_eeprom + eeprom_offset, 1789 data_rx->buf + sizeof(struct upgt_lmac_eeprom) + 4, 1790 eeprom_len); 1791 1792 /* EEPROM data has arrived in time, wakeup tsleep() */ 1793 wakeup(sc); 1794 } else 1795 if (h1_type == UPGT_H1_TYPE_CTRL && 1796 h2_type == UPGT_H2_TYPE_TX_DONE) { 1797 DPRINTF(2, "%s: received 802.11 TX done\n", 1798 device_xname(sc->sc_dev)); 1799 1800 upgt_tx_done(sc, data_rx->buf + 4); 1801 } else 1802 if (h1_type == UPGT_H1_TYPE_RX_DATA || 1803 h1_type == UPGT_H1_TYPE_RX_DATA_MGMT) { 1804 DPRINTF(3, "%s: received 802.11 RX data\n", 1805 device_xname(sc->sc_dev)); 1806 1807 upgt_rx(sc, data_rx->buf + 4, le16toh(header->header1.len)); 1808 } else 1809 if (h1_type == UPGT_H1_TYPE_CTRL && 1810 h2_type == UPGT_H2_TYPE_STATS) { 1811 DPRINTF(2, "%s: received statistic data\n", 1812 device_xname(sc->sc_dev)); 1813 1814 /* TODO: what could we do with the statistic data? */ 1815 } else { 1816 /* ignore unknown frame types */ 1817 DPRINTF(1, "%s: received unknown frame type 0x%02x\n", 1818 device_xname(sc->sc_dev), header->header1.type); 1819 } 1820 1821 skip: /* setup new transfer */ 1822 usbd_setup_xfer(xfer, data_rx, data_rx->buf, MCLBYTES, 1823 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, upgt_rx_cb); 1824 (void)usbd_transfer(xfer); 1825 } 1826 1827 static void 1828 upgt_rx(struct upgt_softc *sc, uint8_t *data, int pkglen) 1829 { 1830 struct ieee80211com *ic = &sc->sc_ic; 1831 struct ifnet *ifp = &sc->sc_if; 1832 struct upgt_lmac_rx_desc *rxdesc; 1833 struct ieee80211_frame *wh; 1834 struct ieee80211_node *ni; 1835 struct mbuf *m; 1836 int s; 1837 1838 /* access RX packet descriptor */ 1839 rxdesc = (struct upgt_lmac_rx_desc *)data; 1840 1841 /* create mbuf which is suitable for strict alignment archs */ 1842 #define ETHER_ALIGN 0 1843 m = m_devget(rxdesc->data, pkglen, ETHER_ALIGN, ifp, NULL); 1844 if (m == NULL) { 1845 DPRINTF(1, "%s: could not create RX mbuf\n", 1846 device_xname(sc->sc_dev)); 1847 ifp->if_ierrors++; 1848 return; 1849 } 1850 1851 s = splnet(); 1852 1853 if (sc->sc_drvbpf != NULL) { 1854 struct upgt_rx_radiotap_header *tap = &sc->sc_rxtap; 1855 1856 tap->wr_flags = IEEE80211_RADIOTAP_F_FCS; 1857 tap->wr_rate = upgt_rx_rate(sc, rxdesc->rate); 1858 tap->wr_chan_freq = htole16(ic->ic_curchan->ic_freq); 1859 tap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 1860 tap->wr_antsignal = rxdesc->rssi; 1861 1862 bpf_mtap2(sc->sc_drvbpf, tap, sc->sc_rxtap_len, m, BPF_D_IN); 1863 } 1864 1865 /* trim FCS */ 1866 m_adj(m, -IEEE80211_CRC_LEN); 1867 1868 wh = mtod(m, struct ieee80211_frame *); 1869 ni = ieee80211_find_rxnode(ic, (struct ieee80211_frame_min *)wh); 1870 1871 /* push the frame up to the 802.11 stack */ 1872 ieee80211_input(ic, m, ni, rxdesc->rssi, 0); 1873 1874 /* node is no longer needed */ 1875 ieee80211_free_node(ni); 1876 1877 splx(s); 1878 1879 DPRINTF(3, "%s: RX done\n", device_xname(sc->sc_dev)); 1880 } 1881 1882 static void 1883 upgt_setup_rates(struct upgt_softc *sc) 1884 { 1885 struct ieee80211com *ic = &sc->sc_ic; 1886 1887 /* 1888 * 0x01 = OFMD6 0x10 = DS1 1889 * 0x04 = OFDM9 0x11 = DS2 1890 * 0x06 = OFDM12 0x12 = DS5 1891 * 0x07 = OFDM18 0x13 = DS11 1892 * 0x08 = OFDM24 1893 * 0x09 = OFDM36 1894 * 0x0a = OFDM48 1895 * 0x0b = OFDM54 1896 */ 1897 const uint8_t rateset_auto_11b[] = 1898 { 0x13, 0x13, 0x12, 0x11, 0x11, 0x10, 0x10, 0x10 }; 1899 const uint8_t rateset_auto_11g[] = 1900 { 0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06, 0x04, 0x01 }; 1901 const uint8_t rateset_fix_11bg[] = 1902 { 0x10, 0x11, 0x12, 0x13, 0x01, 0x04, 0x06, 0x07, 1903 0x08, 0x09, 0x0a, 0x0b }; 1904 1905 if (ic->ic_fixed_rate == IEEE80211_FIXED_RATE_NONE) { 1906 /* 1907 * Automatic rate control is done by the device. 1908 * We just pass the rateset from which the device 1909 * will pickup a rate. 1910 */ 1911 if (ic->ic_curmode == IEEE80211_MODE_11B) 1912 memcpy(sc->sc_cur_rateset, rateset_auto_11b, 1913 sizeof(sc->sc_cur_rateset)); 1914 if (ic->ic_curmode == IEEE80211_MODE_11G || 1915 ic->ic_curmode == IEEE80211_MODE_AUTO) 1916 memcpy(sc->sc_cur_rateset, rateset_auto_11g, 1917 sizeof(sc->sc_cur_rateset)); 1918 } else { 1919 /* set a fixed rate */ 1920 memset(sc->sc_cur_rateset, rateset_fix_11bg[ic->ic_fixed_rate], 1921 sizeof(sc->sc_cur_rateset)); 1922 } 1923 } 1924 1925 static uint8_t 1926 upgt_rx_rate(struct upgt_softc *sc, const int rate) 1927 { 1928 struct ieee80211com *ic = &sc->sc_ic; 1929 1930 if (ic->ic_curmode == IEEE80211_MODE_11B) { 1931 if (rate < 0 || rate > 3) 1932 /* invalid rate */ 1933 return 0; 1934 1935 switch (rate) { 1936 case 0: 1937 return 2; 1938 case 1: 1939 return 4; 1940 case 2: 1941 return 11; 1942 case 3: 1943 return 22; 1944 default: 1945 return 0; 1946 } 1947 } 1948 1949 if (ic->ic_curmode == IEEE80211_MODE_11G) { 1950 if (rate < 0 || rate > 11) 1951 /* invalid rate */ 1952 return 0; 1953 1954 switch (rate) { 1955 case 0: 1956 return 2; 1957 case 1: 1958 return 4; 1959 case 2: 1960 return 11; 1961 case 3: 1962 return 22; 1963 case 4: 1964 return 12; 1965 case 5: 1966 return 18; 1967 case 6: 1968 return 24; 1969 case 7: 1970 return 36; 1971 case 8: 1972 return 48; 1973 case 9: 1974 return 72; 1975 case 10: 1976 return 96; 1977 case 11: 1978 return 108; 1979 default: 1980 return 0; 1981 } 1982 } 1983 1984 return 0; 1985 } 1986 1987 static int 1988 upgt_set_macfilter(struct upgt_softc *sc, uint8_t state) 1989 { 1990 struct ieee80211com *ic = &sc->sc_ic; 1991 struct ieee80211_node *ni = ic->ic_bss; 1992 struct upgt_data *data_cmd = &sc->cmd_data; 1993 struct upgt_lmac_mem *mem; 1994 struct upgt_lmac_filter *filter; 1995 int len; 1996 const uint8_t broadcast[] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 1997 1998 /* 1999 * Transmit the URB containing the CMD data. 2000 */ 2001 len = sizeof(*mem) + sizeof(*filter); 2002 2003 memset(data_cmd->buf, 0, len); 2004 2005 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2006 mem->addr = htole32(sc->sc_memaddr_frame_start + 2007 UPGT_MEMSIZE_FRAME_HEAD); 2008 2009 filter = (struct upgt_lmac_filter *)(mem + 1); 2010 2011 filter->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2012 filter->header1.type = UPGT_H1_TYPE_CTRL; 2013 filter->header1.len = htole16( 2014 sizeof(struct upgt_lmac_filter) - 2015 sizeof(struct upgt_lmac_header)); 2016 2017 filter->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2018 filter->header2.type = htole16(UPGT_H2_TYPE_MACFILTER); 2019 filter->header2.flags = 0; 2020 2021 switch (state) { 2022 case IEEE80211_S_INIT: 2023 DPRINTF(1, "%s: set MAC filter to INIT\n", 2024 device_xname(sc->sc_dev)); 2025 2026 filter->type = htole16(UPGT_FILTER_TYPE_RESET); 2027 break; 2028 case IEEE80211_S_SCAN: 2029 DPRINTF(1, "%s: set MAC filter to SCAN (bssid %s)\n", 2030 device_xname(sc->sc_dev), ether_sprintf(broadcast)); 2031 2032 filter->type = htole16(UPGT_FILTER_TYPE_NONE); 2033 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2034 IEEE80211_ADDR_COPY(filter->src, broadcast); 2035 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2036 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2037 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2038 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2039 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2040 break; 2041 case IEEE80211_S_RUN: 2042 DPRINTF(1, "%s: set MAC filter to RUN (bssid %s)\n", 2043 device_xname(sc->sc_dev), ether_sprintf(ni->ni_bssid)); 2044 2045 filter->type = htole16(UPGT_FILTER_TYPE_STA); 2046 IEEE80211_ADDR_COPY(filter->dst, ic->ic_myaddr); 2047 IEEE80211_ADDR_COPY(filter->src, ni->ni_bssid); 2048 filter->unknown1 = htole16(UPGT_FILTER_UNKNOWN1); 2049 filter->rxaddr = htole32(sc->sc_memaddr_rx_start); 2050 filter->unknown2 = htole16(UPGT_FILTER_UNKNOWN2); 2051 filter->rxhw = htole32(sc->sc_eeprom_hwrx); 2052 filter->unknown3 = htole16(UPGT_FILTER_UNKNOWN3); 2053 break; 2054 default: 2055 aprint_error_dev(sc->sc_dev, 2056 "MAC filter does not know that state\n"); 2057 break; 2058 } 2059 2060 mem->chksum = upgt_chksum_le((uint32_t *)filter, sizeof(*filter)); 2061 2062 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2063 aprint_error_dev(sc->sc_dev, 2064 "could not transmit macfilter CMD data URB\n"); 2065 return EIO; 2066 } 2067 2068 return 0; 2069 } 2070 2071 static int 2072 upgt_set_channel(struct upgt_softc *sc, unsigned channel) 2073 { 2074 struct upgt_data *data_cmd = &sc->cmd_data; 2075 struct upgt_lmac_mem *mem; 2076 struct upgt_lmac_channel *chan; 2077 int len; 2078 2079 DPRINTF(1, "%s: %s: %d\n", device_xname(sc->sc_dev), __func__, 2080 channel); 2081 2082 /* 2083 * Transmit the URB containing the CMD data. 2084 */ 2085 len = sizeof(*mem) + sizeof(*chan); 2086 2087 memset(data_cmd->buf, 0, len); 2088 2089 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2090 mem->addr = htole32(sc->sc_memaddr_frame_start + 2091 UPGT_MEMSIZE_FRAME_HEAD); 2092 2093 chan = (struct upgt_lmac_channel *)(mem + 1); 2094 2095 chan->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2096 chan->header1.type = UPGT_H1_TYPE_CTRL; 2097 chan->header1.len = htole16( 2098 sizeof(struct upgt_lmac_channel) - 2099 sizeof(struct upgt_lmac_header)); 2100 2101 chan->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2102 chan->header2.type = htole16(UPGT_H2_TYPE_CHANNEL); 2103 chan->header2.flags = 0; 2104 2105 chan->unknown1 = htole16(UPGT_CHANNEL_UNKNOWN1); 2106 chan->unknown2 = htole16(UPGT_CHANNEL_UNKNOWN2); 2107 chan->freq6 = sc->sc_eeprom_freq6[channel]; 2108 chan->settings = sc->sc_eeprom_freq6_settings; 2109 chan->unknown3 = UPGT_CHANNEL_UNKNOWN3; 2110 2111 memcpy(chan->freq3_1, &sc->sc_eeprom_freq3[channel].data, 2112 sizeof(chan->freq3_1)); 2113 2114 memcpy(chan->freq4, &sc->sc_eeprom_freq4[channel], 2115 sizeof(sc->sc_eeprom_freq4[channel])); 2116 2117 memcpy(chan->freq3_2, &sc->sc_eeprom_freq3[channel].data, 2118 sizeof(chan->freq3_2)); 2119 2120 mem->chksum = upgt_chksum_le((uint32_t *)chan, sizeof(*chan)); 2121 2122 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2123 aprint_error_dev(sc->sc_dev, 2124 "could not transmit channel CMD data URB\n"); 2125 return EIO; 2126 } 2127 2128 return 0; 2129 } 2130 2131 static void 2132 upgt_set_led(struct upgt_softc *sc, int action) 2133 { 2134 struct ieee80211com *ic = &sc->sc_ic; 2135 struct upgt_data *data_cmd = &sc->cmd_data; 2136 struct upgt_lmac_mem *mem; 2137 struct upgt_lmac_led *led; 2138 struct timeval t; 2139 int len; 2140 2141 /* 2142 * Transmit the URB containing the CMD data. 2143 */ 2144 len = sizeof(*mem) + sizeof(*led); 2145 2146 memset(data_cmd->buf, 0, len); 2147 2148 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2149 mem->addr = htole32(sc->sc_memaddr_frame_start + 2150 UPGT_MEMSIZE_FRAME_HEAD); 2151 2152 led = (struct upgt_lmac_led *)(mem + 1); 2153 2154 led->header1.flags = UPGT_H1_FLAGS_TX_NO_CALLBACK; 2155 led->header1.type = UPGT_H1_TYPE_CTRL; 2156 led->header1.len = htole16( 2157 sizeof(struct upgt_lmac_led) - 2158 sizeof(struct upgt_lmac_header)); 2159 2160 led->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2161 led->header2.type = htole16(UPGT_H2_TYPE_LED); 2162 led->header2.flags = 0; 2163 2164 switch (action) { 2165 case UPGT_LED_OFF: 2166 led->mode = htole16(UPGT_LED_MODE_SET); 2167 led->action_fix = 0; 2168 led->action_tmp = htole16(UPGT_LED_ACTION_OFF); 2169 led->action_tmp_dur = 0; 2170 break; 2171 case UPGT_LED_ON: 2172 led->mode = htole16(UPGT_LED_MODE_SET); 2173 led->action_fix = 0; 2174 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2175 led->action_tmp_dur = 0; 2176 break; 2177 case UPGT_LED_BLINK: 2178 if (ic->ic_state != IEEE80211_S_RUN) 2179 return; 2180 if (sc->sc_led_blink) 2181 /* previous blink was not finished */ 2182 return; 2183 led->mode = htole16(UPGT_LED_MODE_SET); 2184 led->action_fix = htole16(UPGT_LED_ACTION_OFF); 2185 led->action_tmp = htole16(UPGT_LED_ACTION_ON); 2186 led->action_tmp_dur = htole16(UPGT_LED_ACTION_TMP_DUR); 2187 /* lock blink */ 2188 sc->sc_led_blink = 1; 2189 t.tv_sec = 0; 2190 t.tv_usec = UPGT_LED_ACTION_TMP_DUR * 1000L; 2191 callout_schedule(&sc->led_to, tvtohz(&t)); 2192 break; 2193 default: 2194 return; 2195 } 2196 2197 mem->chksum = upgt_chksum_le((uint32_t *)led, sizeof(*led)); 2198 2199 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2200 aprint_error_dev(sc->sc_dev, 2201 "could not transmit led CMD URB\n"); 2202 } 2203 } 2204 2205 static void 2206 upgt_set_led_blink(void *arg) 2207 { 2208 struct upgt_softc *sc = arg; 2209 2210 /* blink finished, we are ready for a next one */ 2211 sc->sc_led_blink = 0; 2212 callout_stop(&sc->led_to); 2213 } 2214 2215 static int 2216 upgt_get_stats(struct upgt_softc *sc) 2217 { 2218 struct upgt_data *data_cmd = &sc->cmd_data; 2219 struct upgt_lmac_mem *mem; 2220 struct upgt_lmac_stats *stats; 2221 int len; 2222 2223 /* 2224 * Transmit the URB containing the CMD data. 2225 */ 2226 len = sizeof(*mem) + sizeof(*stats); 2227 2228 memset(data_cmd->buf, 0, len); 2229 2230 mem = (struct upgt_lmac_mem *)data_cmd->buf; 2231 mem->addr = htole32(sc->sc_memaddr_frame_start + 2232 UPGT_MEMSIZE_FRAME_HEAD); 2233 2234 stats = (struct upgt_lmac_stats *)(mem + 1); 2235 2236 stats->header1.flags = 0; 2237 stats->header1.type = UPGT_H1_TYPE_CTRL; 2238 stats->header1.len = htole16( 2239 sizeof(struct upgt_lmac_stats) - 2240 sizeof(struct upgt_lmac_header)); 2241 2242 stats->header2.reqid = htole32(sc->sc_memaddr_frame_start); 2243 stats->header2.type = htole16(UPGT_H2_TYPE_STATS); 2244 stats->header2.flags = 0; 2245 2246 mem->chksum = upgt_chksum_le((uint32_t *)stats, sizeof(*stats)); 2247 2248 if (upgt_bulk_xmit(sc, data_cmd, sc->sc_tx_pipeh, &len, 0) != 0) { 2249 aprint_error_dev(sc->sc_dev, 2250 "could not transmit statistics CMD data URB\n"); 2251 return EIO; 2252 } 2253 2254 return 0; 2255 2256 } 2257 2258 static int 2259 upgt_alloc_tx(struct upgt_softc *sc) 2260 { 2261 int i; 2262 2263 sc->tx_queued = 0; 2264 2265 for (i = 0; i < UPGT_TX_COUNT; i++) { 2266 struct upgt_data *data_tx = &sc->tx_data[i]; 2267 2268 data_tx->sc = sc; 2269 2270 int err = usbd_create_xfer(sc->sc_tx_pipeh, MCLBYTES, 2271 USBD_FORCE_SHORT_XFER, 0, &data_tx->xfer); 2272 if (err) { 2273 aprint_error_dev(sc->sc_dev, 2274 "could not allocate TX xfer\n"); 2275 return err; 2276 } 2277 2278 data_tx->buf = usbd_get_buffer(data_tx->xfer); 2279 } 2280 2281 return 0; 2282 } 2283 2284 static int 2285 upgt_alloc_rx(struct upgt_softc *sc) 2286 { 2287 struct upgt_data *data_rx = &sc->rx_data; 2288 2289 data_rx->sc = sc; 2290 2291 int err = usbd_create_xfer(sc->sc_rx_pipeh, MCLBYTES, 2292 0, 0, &data_rx->xfer); 2293 if (err) { 2294 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2295 return err; 2296 } 2297 2298 data_rx->buf = usbd_get_buffer(data_rx->xfer); 2299 2300 return 0; 2301 } 2302 2303 static int 2304 upgt_alloc_cmd(struct upgt_softc *sc) 2305 { 2306 struct upgt_data *data_cmd = &sc->cmd_data; 2307 2308 data_cmd->sc = sc; 2309 2310 int err = usbd_create_xfer(sc->sc_tx_pipeh, MCLBYTES, 2311 USBD_FORCE_SHORT_XFER, 0, &data_cmd->xfer); 2312 if (err) { 2313 aprint_error_dev(sc->sc_dev, "could not allocate RX xfer\n"); 2314 return err; 2315 } 2316 2317 data_cmd->buf = usbd_get_buffer(data_cmd->xfer); 2318 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 } 2366 2367 static int 2368 upgt_bulk_xmit(struct upgt_softc *sc, struct upgt_data *data, 2369 struct usbd_pipe *pipeh, uint32_t *size, int flags) 2370 { 2371 usbd_status status; 2372 2373 status = usbd_bulk_transfer(data->xfer, pipeh, flags, UPGT_USB_TIMEOUT, 2374 data->buf, size); 2375 if (status != USBD_NORMAL_COMPLETION) { 2376 aprint_error_dev(sc->sc_dev, "%s: error %s\n", __func__, 2377 usbd_errstr(status)); 2378 return EIO; 2379 } 2380 2381 return 0; 2382 } 2383 2384 #if 0 2385 static void 2386 upgt_hexdump(void *buf, int len) 2387 { 2388 int i; 2389 2390 for (i = 0; i < len; i++) { 2391 if (i % 16 == 0) 2392 printf("%s%5i:", i ? "\n" : "", i); 2393 if (i % 4 == 0) 2394 printf(" "); 2395 printf("%02x", (int)*((uint8_t *)buf + i)); 2396 } 2397 printf("\n"); 2398 } 2399 #endif 2400 2401 static uint32_t 2402 upgt_crc32_le(const void *buf, size_t size) 2403 { 2404 uint32_t crc; 2405 2406 crc = ether_crc32_le(buf, size); 2407 2408 /* apply final XOR value as common for CRC-32 */ 2409 crc = htole32(crc ^ 0xffffffffU); 2410 2411 return crc; 2412 } 2413 2414 /* 2415 * The firmware awaits a checksum for each frame we send to it. 2416 * The algorithm used is uncommon but somehow similar to CRC32. 2417 */ 2418 static uint32_t 2419 upgt_chksum_le(const uint32_t *buf, size_t size) 2420 { 2421 int i; 2422 uint32_t crc = 0; 2423 2424 for (i = 0; i < size; i += sizeof(uint32_t)) { 2425 crc = htole32(crc ^ *buf++); 2426 crc = htole32((crc >> 5) ^ (crc << 3)); 2427 } 2428 2429 return crc; 2430 } 2431
Indexes created Thu Oct 02 14:10:14 GMT 2025