if_atu.c revision 1.65
1 /* $NetBSD: if_atu.c,v 1.65 2019/05/05 03:17:54 mrg Exp $ */ 2 /* $OpenBSD: if_atu.c,v 1.48 2004/12/30 01:53:21 dlg Exp $ */ 3 /* 4 * Copyright (c) 2003, 2004 5 * Daan Vreeken <Danovitsch (at) Vitsch.net>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Daan Vreeken. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Daan Vreeken AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Daan Vreeken OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Atmel AT76c503 / AT76c503a / AT76c505 / AT76c505a USB WLAN driver 37 * version 0.5 - 2004-08-03 38 * 39 * Originally written by Daan Vreeken <Danovitsch @ Vitsch . net> 40 * http://vitsch.net/bsd/atuwi 41 * 42 * Contributed to by : 43 * Chris Whitehouse, Alistair Phillips, Peter Pilka, Martijn van Buul, 44 * Suihong Liang, Arjan van Leeuwen, Stuart Walsh 45 * 46 * Ported to OpenBSD by Theo de Raadt and David Gwynne. 47 * Ported to NetBSD by Jesse Off 48 */ 49 50 #include <sys/cdefs.h> 51 __KERNEL_RCSID(0, "$NetBSD: if_atu.c,v 1.65 2019/05/05 03:17:54 mrg Exp $"); 52 53 #ifdef _KERNEL_OPT 54 #include "opt_usb.h" 55 #endif 56 57 #include <sys/param.h> 58 #include <sys/sockio.h> 59 #include <sys/mbuf.h> 60 #include <sys/kernel.h> 61 #include <sys/socket.h> 62 #include <sys/systm.h> 63 #include <sys/kthread.h> 64 #include <sys/queue.h> 65 #include <sys/device.h> 66 #include <sys/bus.h> 67 68 #include <dev/usb/usb.h> 69 #include <dev/usb/usbdi.h> 70 #include <dev/usb/usbdi_util.h> 71 #include <dev/usb/usbdivar.h> 72 #include <dev/usb/usbdevs.h> 73 74 #include <dev/microcode/atmel/atmel_intersil_fw.h> 75 #include <dev/microcode/atmel/atmel_rfmd2958-smc_fw.h> 76 #include <dev/microcode/atmel/atmel_rfmd2958_fw.h> 77 #include <dev/microcode/atmel/atmel_rfmd_fw.h> 78 79 #include <net/bpf.h> 80 #include <net/if.h> 81 #include <net/if_dl.h> 82 #include <net/if_media.h> 83 #include <net/if_ether.h> 84 85 #ifdef INET 86 #include <netinet/in.h> 87 #include <netinet/if_ether.h> 88 #endif 89 90 #include <net80211/ieee80211_var.h> 91 #include <net80211/ieee80211_radiotap.h> 92 93 #include <dev/usb/if_atureg.h> 94 95 #ifdef ATU_DEBUG 96 #define DPRINTF(x) do { if (atudebug) printf x; } while (0) 97 #define DPRINTFN(n,x) do { if (atudebug>(n)) printf x; } while (0) 98 int atudebug = 1; 99 #else 100 #define DPRINTF(x) 101 #define DPRINTFN(n,x) 102 #endif 103 104 /* 105 * Various supported device vendors/products/radio type. 106 */ 107 static const struct atu_type atu_devs[] = { 108 { USB_VENDOR_3COM, USB_PRODUCT_3COM_3CRSHEW696, 109 RadioRFMD, ATU_NO_QUIRK }, 110 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_BWU613, 111 RadioRFMD, ATU_NO_QUIRK }, 112 { USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_2664W, 113 AT76C503_rfmd_acc, ATU_NO_QUIRK }, 114 { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_AWL300, 115 RadioIntersil, ATU_NO_QUIRK }, 116 { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_AWL400, 117 RadioRFMD, ATU_NO_QUIRK }, 118 { USB_VENDOR_ACTIONTEC, USB_PRODUCT_ACTIONTEC_UAT1, 119 RadioRFMD, ATU_NO_QUIRK }, 120 { USB_VENDOR_ADDTRON, USB_PRODUCT_ADDTRON_AWU120, 121 RadioIntersil, ATU_NO_QUIRK }, 122 { USB_VENDOR_AINCOMM, USB_PRODUCT_AINCOMM_AWU2000B, 123 RadioRFMD2958, ATU_NO_QUIRK }, 124 { USB_VENDOR_ASKEY, USB_PRODUCT_ASKEY_VOYAGER1010, 125 RadioIntersil, ATU_NO_QUIRK }, 126 { USB_VENDOR_ASKEY, USB_PRODUCT_ASKEY_WLL013I, 127 RadioIntersil, ATU_NO_QUIRK }, 128 { USB_VENDOR_ASKEY, USB_PRODUCT_ASKEY_WLL013, 129 RadioRFMD, ATU_NO_QUIRK }, 130 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C503I1, 131 RadioIntersil, ATU_NO_QUIRK }, 132 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C503I2, 133 AT76C503_i3863, ATU_NO_QUIRK }, 134 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C503RFMD, 135 RadioRFMD, ATU_NO_QUIRK }, 136 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505RFMD, 137 AT76C505_rfmd, ATU_NO_QUIRK }, 138 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505RFMD2958, 139 RadioRFMD2958, ATU_NO_QUIRK }, 140 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505A, /* SMC2662 V.4 */ 141 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 142 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505AS, /* quirk? */ 143 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 144 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_WN210, 145 RadioRFMD, ATU_NO_QUIRK }, 146 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D6050, 147 RadioRFMD, ATU_NO_QUIRK }, 148 { USB_VENDOR_CONCEPTRONIC, USB_PRODUCT_CONCEPTRONIC_C11U, 149 RadioIntersil, ATU_NO_QUIRK }, 150 { USB_VENDOR_CONCEPTRONIC, USB_PRODUCT_CONCEPTRONIC_WL210, 151 RadioIntersil, ATU_NO_QUIRK }, 152 { USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQWLAN, 153 RadioRFMD, ATU_NO_QUIRK }, 154 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_WLUSB_11_STICK, 155 RadioRFMD2958, ATU_NO_QUIRK }, 156 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_CHUSB611G, 157 RadioRFMD2958, ATU_NO_QUIRK }, 158 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_WL200U, 159 RadioRFMD, ATU_NO_QUIRK }, 160 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_WL240U, 161 RadioRFMD2958, ATU_NO_QUIRK }, 162 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_XH1153, 163 RadioRFMD, ATU_NO_QUIRK }, 164 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWL120E, 165 RadioRFMD, ATU_NO_QUIRK }, 166 { USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWLBM101, 167 RadioRFMD, ATU_NO_QUIRK }, 168 { USB_VENDOR_GIGASET, USB_PRODUCT_GIGASET_WLAN, /* quirk? */ 169 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 170 { USB_VENDOR_HP, USB_PRODUCT_HP_HN210W, 171 RadioIntersil, ATU_NO_QUIRK }, 172 { USB_VENDOR_INTEL, USB_PRODUCT_INTEL_AP310, 173 RadioIntersil, ATU_NO_QUIRK }, 174 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBWNB11A, 175 RadioIntersil, ATU_NO_QUIRK }, 176 { USB_VENDOR_LEXAR, USB_PRODUCT_LEXAR_2662WAR, 177 RadioRFMD, ATU_NO_QUIRK }, 178 { USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_WUSB11, 179 RadioIntersil, ATU_NO_QUIRK }, 180 { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_WUSB11, 181 RadioRFMD, ATU_NO_QUIRK }, 182 { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_NWU11B, 183 RadioRFMD, ATU_NO_QUIRK }, 184 { USB_VENDOR_LINKSYS3, USB_PRODUCT_LINKSYS3_WUSB11V28, 185 RadioRFMD2958, ATU_NO_QUIRK }, 186 { USB_VENDOR_MSI, USB_PRODUCT_MSI_WLAN, 187 RadioRFMD2958, ATU_NO_QUIRK }, 188 { USB_VENDOR_NETGEAR2, USB_PRODUCT_NETGEAR2_MA101, 189 RadioIntersil, ATU_NO_QUIRK }, 190 { USB_VENDOR_NETGEAR2, USB_PRODUCT_NETGEAR2_MA101B, 191 RadioRFMD, ATU_NO_QUIRK }, 192 { USB_VENDOR_OQO, USB_PRODUCT_OQO_WIFI01, 193 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 194 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GW_US11S, 195 RadioRFMD, ATU_NO_QUIRK }, 196 { USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_SWL2100W, 197 AT76C503_i3863, ATU_NO_QUIRK }, 198 { USB_VENDOR_SIEMENS2, USB_PRODUCT_SIEMENS2_WLL013, 199 RadioRFMD, ATU_NO_QUIRK }, 200 { USB_VENDOR_SMC3, USB_PRODUCT_SMC3_2662WV1, 201 RadioIntersil, ATU_NO_QUIRK }, 202 { USB_VENDOR_SMC3, USB_PRODUCT_SMC3_2662WV2, 203 AT76C503_rfmd_acc, ATU_NO_QUIRK }, 204 { USB_VENDOR_TEKRAM, USB_PRODUCT_TEKRAM_U300C, 205 RadioIntersil, ATU_NO_QUIRK }, 206 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_M4Y750, 207 RadioIntersil, ATU_NO_QUIRK }, 208 }; 209 210 static const struct atu_radfirm { 211 enum atu_radio_type atur_type; 212 unsigned char *atur_internal; 213 size_t atur_internal_sz; 214 unsigned char *atur_external; 215 size_t atur_external_sz; 216 } atu_radfirm[] = { 217 { RadioRFMD, 218 atmel_fw_rfmd_int, sizeof(atmel_fw_rfmd_int), 219 atmel_fw_rfmd_ext, sizeof(atmel_fw_rfmd_ext) }, 220 { RadioRFMD2958, 221 atmel_fw_rfmd2958_int, sizeof(atmel_fw_rfmd2958_int), 222 atmel_fw_rfmd2958_ext, sizeof(atmel_fw_rfmd2958_ext) }, 223 { RadioRFMD2958_SMC, 224 atmel_fw_rfmd2958_smc_int, sizeof(atmel_fw_rfmd2958_smc_int), 225 atmel_fw_rfmd2958_smc_ext, sizeof(atmel_fw_rfmd2958_smc_ext) }, 226 { RadioIntersil, 227 atmel_fw_intersil_int, sizeof(atmel_fw_intersil_int), 228 atmel_fw_intersil_ext, sizeof(atmel_fw_intersil_ext) } 229 }; 230 231 int atu_newbuf(struct atu_softc *, struct atu_chain *, struct mbuf *); 232 void atu_rxeof(struct usbd_xfer *, void *, usbd_status); 233 void atu_txeof(struct usbd_xfer *, void *, usbd_status); 234 void atu_start(struct ifnet *); 235 int atu_ioctl(struct ifnet *, u_long, void *); 236 int atu_init(struct ifnet *); 237 void atu_stop(struct ifnet *, int); 238 void atu_watchdog(struct ifnet *); 239 usbd_status atu_usb_request(struct atu_softc *, uint8_t, 240 uint8_t, uint16_t, uint16_t, 241 uint16_t, uint8_t *); 242 int atu_send_command(struct atu_softc *, uint8_t *, int); 243 int atu_get_cmd_status(struct atu_softc *, uint8_t, 244 uint8_t *); 245 int atu_wait_completion(struct atu_softc *, uint8_t, 246 uint8_t *); 247 int atu_send_mib(struct atu_softc *, uint8_t, 248 uint8_t, uint8_t, void *); 249 int atu_get_mib(struct atu_softc *, uint8_t, 250 uint8_t, uint8_t, uint8_t *); 251 #if 0 252 int atu_start_ibss(struct atu_softc *); 253 #endif 254 int atu_start_scan(struct atu_softc *); 255 int atu_switch_radio(struct atu_softc *, int); 256 int atu_initial_config(struct atu_softc *); 257 int atu_join(struct atu_softc *, struct ieee80211_node *); 258 int8_t atu_get_dfu_state(struct atu_softc *); 259 uint8_t atu_get_opmode(struct atu_softc *, uint8_t *); 260 void atu_internal_firmware(device_t); 261 void atu_external_firmware(device_t); 262 int atu_get_card_config(struct atu_softc *); 263 int atu_media_change(struct ifnet *); 264 void atu_media_status(struct ifnet *, struct ifmediareq *); 265 int atu_tx_list_init(struct atu_softc *); 266 int atu_rx_list_init(struct atu_softc *); 267 void atu_xfer_list_free(struct atu_softc *, struct atu_chain *, 268 int); 269 270 #ifdef ATU_DEBUG 271 void atu_debug_print(struct atu_softc *); 272 #endif 273 274 void atu_task(void *); 275 int atu_newstate(struct ieee80211com *, enum ieee80211_state, int); 276 int atu_tx_start(struct atu_softc *, struct ieee80211_node *, 277 struct atu_chain *, struct mbuf *); 278 void atu_complete_attach(struct atu_softc *); 279 uint8_t atu_calculate_padding(int); 280 281 int atu_match(device_t, cfdata_t, void *); 282 void atu_attach(device_t, device_t, void *); 283 int atu_detach(device_t, int); 284 int atu_activate(device_t, enum devact); 285 286 CFATTACH_DECL_NEW(atu, sizeof(struct atu_softc), atu_match, atu_attach, 287 atu_detach, atu_activate); 288 289 usbd_status 290 atu_usb_request(struct atu_softc *sc, uint8_t type, 291 uint8_t request, uint16_t value, uint16_t index, uint16_t length, 292 uint8_t *data) 293 { 294 usb_device_request_t req; 295 struct usbd_xfer *xfer; 296 usbd_status err; 297 int total_len = 0, s; 298 299 req.bmRequestType = type; 300 req.bRequest = request; 301 USETW(req.wValue, value); 302 USETW(req.wIndex, index); 303 USETW(req.wLength, length); 304 305 #ifdef ATU_DEBUG 306 if (atudebug) { 307 DPRINTFN(20, ("%s: req=%02x val=%02x ind=%02x " 308 "len=%02x\n", device_xname(sc->atu_dev), request, 309 value, index, length)); 310 } 311 #endif /* ATU_DEBUG */ 312 313 s = splnet(); 314 315 struct usbd_pipe *pipe0 = usbd_get_pipe0(sc->atu_udev); 316 int error = usbd_create_xfer(pipe0, length, 0, 0, 317 &xfer); 318 if (error) { 319 splx(s); 320 return USBD_IOERROR; 321 } 322 usbd_setup_default_xfer(xfer, sc->atu_udev, 0, 500000, &req, data, 323 length, USBD_SHORT_XFER_OK, NULL); 324 325 err = usbd_sync_transfer(xfer); 326 327 usbd_get_xfer_status(xfer, NULL, NULL, &total_len, NULL); 328 329 #ifdef ATU_DEBUG 330 if (atudebug) { 331 if (type & UT_READ) { 332 DPRINTFN(20, ("%s: transfered 0x%x bytes in\n", 333 device_xname(sc->atu_dev), total_len)); 334 } else { 335 if (total_len != length) 336 DPRINTF(("%s: wrote only %x bytes\n", 337 device_xname(sc->atu_dev), total_len)); 338 } 339 } 340 #endif /* ATU_DEBUG */ 341 342 usbd_destroy_xfer(xfer); 343 344 splx(s); 345 return err; 346 } 347 348 int 349 atu_send_command(struct atu_softc *sc, uint8_t *command, int size) 350 { 351 return atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 0x0000, 352 0x0000, size, command); 353 } 354 355 int 356 atu_get_cmd_status(struct atu_softc *sc, uint8_t cmd, uint8_t *status) 357 { 358 /* 359 * all other drivers (including Windoze) request 40 bytes of status 360 * and get a short-xfer of just 6 bytes. we can save 34 bytes of 361 * buffer if we just request those 6 bytes in the first place :) 362 */ 363 /* 364 return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x22, cmd, 365 0x0000, 40, status); 366 */ 367 return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x22, cmd, 368 0x0000, 6, status); 369 } 370 371 int 372 atu_wait_completion(struct atu_softc *sc, uint8_t cmd, uint8_t *status) 373 { 374 int idle_count = 0, err; 375 uint8_t statusreq[6]; 376 377 DPRINTFN(15, ("%s: wait-completion: cmd=%02x\n", 378 device_xname(sc->atu_dev), cmd)); 379 380 while (1) { 381 err = atu_get_cmd_status(sc, cmd, statusreq); 382 if (err) 383 return err; 384 385 #ifdef ATU_DEBUG 386 if (atudebug) { 387 DPRINTFN(20, ("%s: status=%s cmd=%02x\n", 388 device_xname(sc->atu_dev), 389 ether_sprintf(statusreq), cmd)); 390 } 391 #endif /* ATU_DEBUG */ 392 393 /* 394 * during normal operations waiting on STATUS_IDLE 395 * will never happen more than once 396 */ 397 if ((statusreq[5] == STATUS_IDLE) && (idle_count++ > 20)) { 398 DPRINTF(("%s: idle_count > 20!\n", 399 device_xname(sc->atu_dev))); 400 return 0; 401 } 402 403 if ((statusreq[5] != STATUS_IN_PROGRESS) && 404 (statusreq[5] != STATUS_IDLE)) { 405 if (status != NULL) 406 *status = statusreq[5]; 407 return 0; 408 } 409 usbd_delay_ms(sc->atu_udev, 25); 410 } 411 } 412 413 int 414 atu_send_mib(struct atu_softc *sc, uint8_t type, uint8_t size, 415 uint8_t index, void *data) 416 { 417 int err; 418 struct atu_cmd_set_mib request; 419 420 /* 421 * We don't construct a MIB packet first and then memcpy it into an 422 * Atmel-command-packet, we just construct it the right way at once :) 423 */ 424 425 memset(&request, 0, sizeof(request)); 426 427 request.AtCmd = CMD_SET_MIB; 428 USETW(request.AtSize, size + 4); 429 430 request.MIBType = type; 431 request.MIBSize = size; 432 request.MIBIndex = index; 433 request.MIBReserved = 0; 434 435 /* 436 * For 1 and 2 byte requests we assume a direct value, 437 * everything bigger than 2 bytes we assume a pointer to the data 438 */ 439 switch (size) { 440 case 0: 441 break; 442 case 1: 443 request.data[0]=(long)data & 0x000000ff; 444 break; 445 case 2: 446 request.data[0]=(long)data & 0x000000ff; 447 request.data[1]=(long)data >> 8; 448 break; 449 default: 450 memcpy(request.data, data, size); 451 break; 452 } 453 454 err = atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 0x0000, 455 0x0000, size+8, (uByte *)&request); 456 if (err) 457 return err; 458 459 DPRINTFN(15, ("%s: sendmib : waitcompletion...\n", 460 device_xname(sc->atu_dev))); 461 return atu_wait_completion(sc, CMD_SET_MIB, NULL); 462 } 463 464 int 465 atu_get_mib(struct atu_softc *sc, uint8_t type, uint8_t size, 466 uint8_t index, uint8_t *buf) 467 { 468 469 /* linux/at76c503.c - 478 */ 470 return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x033, 471 type << 8, index, size, buf); 472 } 473 474 #if 0 475 int 476 atu_start_ibss(struct atu_softc *sc) 477 { 478 struct ieee80211com *ic = &sc->sc_ic; 479 int err; 480 struct atu_cmd_start_ibss Request; 481 482 Request.Cmd = CMD_START_IBSS; 483 Request.Reserved = 0; 484 Request.Size = sizeof(Request) - 4; 485 486 memset(Request.BSSID, 0x00, sizeof(Request.BSSID)); 487 memset(Request.SSID, 0x00, sizeof(Request.SSID)); 488 memcpy(Request.SSID, ic->ic_des_ssid, ic->ic_des_ssidlen); 489 Request.SSIDSize = ic->ic_des_ssidlen; 490 if (sc->atu_desired_channel != IEEE80211_CHAN_ANY) 491 Request.Channel = (uint8_t)sc->atu_desired_channel; 492 else 493 Request.Channel = ATU_DEFAULT_CHANNEL; 494 Request.BSSType = AD_HOC_MODE; 495 memset(Request.Res, 0x00, sizeof(Request.Res)); 496 497 /* Write config to adapter */ 498 err = atu_send_command(sc, (uint8_t *)&Request, sizeof(Request)); 499 if (err) { 500 DPRINTF(("%s: start ibss failed!\n", 501 device_xname(sc->atu_dev))); 502 return err; 503 } 504 505 /* Wait for the adapter to do its thing */ 506 err = atu_wait_completion(sc, CMD_START_IBSS, NULL); 507 if (err) { 508 DPRINTF(("%s: error waiting for start_ibss\n", 509 device_xname(sc->atu_dev))); 510 return err; 511 } 512 513 /* Get the current BSSID */ 514 err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_BSSID, sc->atu_bssid); 515 if (err) { 516 DPRINTF(("%s: could not get BSSID!\n", 517 device_xname(sc->atu_dev))); 518 return err; 519 } 520 521 DPRINTF(("%s: started a new IBSS (BSSID=%s)\n", 522 device_xname(sc->atu_dev), ether_sprintf(sc->atu_bssid))); 523 return 0; 524 } 525 #endif 526 527 int 528 atu_start_scan(struct atu_softc *sc) 529 { 530 struct ieee80211com *ic = &sc->sc_ic; 531 struct atu_cmd_do_scan Scan; 532 usbd_status err; 533 int Cnt; 534 535 memset(&Scan, 0, sizeof(Scan)); 536 537 Scan.Cmd = CMD_START_SCAN; 538 Scan.Reserved = 0; 539 USETW(Scan.Size, sizeof(Scan) - 4); 540 541 /* use the broadcast BSSID (in active scan) */ 542 for (Cnt=0; Cnt<6; Cnt++) 543 Scan.BSSID[Cnt] = 0xff; 544 545 memset(Scan.SSID, 0x00, sizeof(Scan.SSID)); 546 memcpy(Scan.SSID, ic->ic_des_essid, ic->ic_des_esslen); 547 Scan.SSID_Len = ic->ic_des_esslen; 548 549 /* default values for scan */ 550 Scan.ScanType = ATU_SCAN_ACTIVE; 551 if (sc->atu_desired_channel != IEEE80211_CHAN_ANY) 552 Scan.Channel = (uint8_t)sc->atu_desired_channel; 553 else 554 Scan.Channel = sc->atu_channel; 555 556 ic->ic_curchan = &ic->ic_channels[Scan.Channel]; 557 558 /* we like scans to be quick :) */ 559 /* the time we wait before sending probe's */ 560 USETW(Scan.ProbeDelay, 0); 561 /* the time we stay on one channel */ 562 USETW(Scan.MinChannelTime, 100); 563 USETW(Scan.MaxChannelTime, 200); 564 /* whether or not we scan all channels */ 565 Scan.InternationalScan = 0xc1; 566 567 #ifdef ATU_DEBUG 568 if (atudebug) { 569 DPRINTFN(20, ("%s: scan cmd len=%02zx\n", 570 device_xname(sc->atu_dev), sizeof(Scan))); 571 } 572 #endif /* ATU_DEBUG */ 573 574 /* Write config to adapter */ 575 err = atu_send_command(sc, (uint8_t *)&Scan, sizeof(Scan)); 576 if (err) 577 return err; 578 579 /* 580 * We don't wait for the command to finish... the mgmt-thread will do 581 * that for us 582 */ 583 /* 584 err = atu_wait_completion(sc, CMD_START_SCAN, NULL); 585 if (err) 586 return err; 587 */ 588 return 0; 589 } 590 591 int 592 atu_switch_radio(struct atu_softc *sc, int state) 593 { 594 usbd_status err; 595 struct atu_cmd CmdRadio; 596 597 if (sc->atu_radio == RadioIntersil) { 598 /* 599 * Intersil doesn't seem to need/support switching the radio 600 * on/off 601 */ 602 return 0; 603 } 604 605 memset(&CmdRadio, 0, sizeof(CmdRadio)); 606 CmdRadio.Cmd = CMD_RADIO_ON; 607 608 if (sc->atu_radio_on != state) { 609 if (state == 0) 610 CmdRadio.Cmd = CMD_RADIO_OFF; 611 612 err = atu_send_command(sc, (uint8_t *)&CmdRadio, 613 sizeof(CmdRadio)); 614 if (err) 615 return err; 616 617 err = atu_wait_completion(sc, CmdRadio.Cmd, NULL); 618 if (err) 619 return err; 620 621 DPRINTFN(10, ("%s: radio turned %s\n", 622 device_xname(sc->atu_dev), state ? "on" : "off")); 623 sc->atu_radio_on = state; 624 } 625 return 0; 626 } 627 628 int 629 atu_initial_config(struct atu_softc *sc) 630 { 631 struct ieee80211com *ic = &sc->sc_ic; 632 uint32_t i; 633 usbd_status err; 634 /* uint8_t rates[4] = {0x82, 0x84, 0x8B, 0x96};*/ 635 uint8_t rates[4] = {0x82, 0x04, 0x0B, 0x16}; 636 struct atu_cmd_card_config cmd; 637 uint8_t reg_domain; 638 639 DPRINTFN(10, ("%s: sending mac-addr\n", device_xname(sc->atu_dev))); 640 err = atu_send_mib(sc, MIB_MAC_ADDR__ADDR, ic->ic_myaddr); 641 if (err) { 642 DPRINTF(("%s: error setting mac-addr\n", 643 device_xname(sc->atu_dev))); 644 return err; 645 } 646 647 /* 648 DPRINTF(("%s: sending reg-domain\n", device_xname(sc->atu_dev))); 649 err = atu_send_mib(sc, MIB_PHY__REG_DOMAIN, NR(0x30)); 650 if (err) { 651 DPRINTF(("%s: error setting mac-addr\n", 652 device_xname(sc->atu_dev))); 653 return err; 654 } 655 */ 656 657 memset(&cmd, 0, sizeof(cmd)); 658 cmd.Cmd = CMD_STARTUP; 659 cmd.Reserved = 0; 660 USETW(cmd.Size, sizeof(cmd) - 4); 661 662 if (sc->atu_desired_channel != IEEE80211_CHAN_ANY) 663 cmd.Channel = (uint8_t)sc->atu_desired_channel; 664 else 665 cmd.Channel = sc->atu_channel; 666 cmd.AutoRateFallback = 1; 667 memcpy(cmd.BasicRateSet, rates, 4); 668 669 /* ShortRetryLimit should be 7 according to 802.11 spec */ 670 cmd.ShortRetryLimit = 7; 671 USETW(cmd.RTS_Threshold, 2347); 672 USETW(cmd.FragThreshold, 2346); 673 674 /* Doesn't seem to work, but we'll set it to 1 anyway */ 675 cmd.PromiscuousMode = 1; 676 677 /* this goes into the beacon we transmit */ 678 if (ic->ic_flags & IEEE80211_F_PRIVACY) 679 cmd.PrivacyInvoked = 1; 680 else 681 cmd.PrivacyInvoked = 0; 682 683 cmd.ExcludeUnencrypted = 0; 684 685 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 686 switch (ic->ic_nw_keys[ic->ic_def_txkey].wk_keylen) { 687 case 5: 688 cmd.EncryptionType = ATU_WEP_40BITS; 689 break; 690 case 13: 691 cmd.EncryptionType = ATU_WEP_104BITS; 692 break; 693 default: 694 cmd.EncryptionType = ATU_WEP_OFF; 695 break; 696 } 697 698 699 cmd.WEP_DefaultKeyID = ic->ic_def_txkey; 700 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 701 memcpy(cmd.WEP_DefaultKey[i], ic->ic_nw_keys[i].wk_key, 702 ic->ic_nw_keys[i].wk_keylen); 703 } 704 } 705 706 /* Setting the SSID here doesn't seem to do anything */ 707 memset(cmd.SSID, 0x00, sizeof(cmd.SSID)); 708 memcpy(cmd.SSID, ic->ic_des_essid, ic->ic_des_esslen); 709 cmd.SSID_Len = ic->ic_des_esslen; 710 711 cmd.ShortPreamble = 0; 712 USETW(cmd.BeaconPeriod, 100); 713 /* cmd.BeaconPeriod = 65535; */ 714 715 /* 716 * TODO: 717 * read reg domain MIB_PHY @ 0x17 (1 byte), (reply = 0x30) 718 * we should do something useful with this info. right now it's just 719 * ignored 720 */ 721 err = atu_get_mib(sc, MIB_PHY__REG_DOMAIN, ®_domain); 722 if (err) { 723 DPRINTF(("%s: could not get regdomain!\n", 724 device_xname(sc->atu_dev))); 725 } else { 726 DPRINTF(("%s: in reg domain 0x%x according to the " 727 "adapter\n", device_xname(sc->atu_dev), reg_domain)); 728 } 729 730 #ifdef ATU_DEBUG 731 if (atudebug) { 732 DPRINTFN(20, ("%s: configlen=%02zx\n", 733 device_xname(sc->atu_dev), sizeof(cmd))); 734 } 735 #endif /* ATU_DEBUG */ 736 737 /* Windoze : driver says exclude-unencrypted=1 & encr-type=1 */ 738 739 err = atu_send_command(sc, (uint8_t *)&cmd, sizeof(cmd)); 740 if (err) 741 return err; 742 err = atu_wait_completion(sc, CMD_STARTUP, NULL); 743 if (err) 744 return err; 745 746 /* Turn on radio now */ 747 err = atu_switch_radio(sc, 1); 748 if (err) 749 return err; 750 751 /* preamble type = short */ 752 err = atu_send_mib(sc, MIB_LOCAL__PREAMBLE, NR(PREAMBLE_SHORT)); 753 if (err) 754 return err; 755 756 /* frag = 1536 */ 757 err = atu_send_mib(sc, MIB_MAC__FRAG, NR(2346)); 758 if (err) 759 return err; 760 761 /* rts = 1536 */ 762 err = atu_send_mib(sc, MIB_MAC__RTS, NR(2347)); 763 if (err) 764 return err; 765 766 /* auto rate fallback = 1 */ 767 err = atu_send_mib(sc, MIB_LOCAL__AUTO_RATE_FALLBACK, NR(1)); 768 if (err) 769 return err; 770 771 /* power mode = full on, no power saving */ 772 err = atu_send_mib(sc, MIB_MAC_MGMT__POWER_MODE, 773 NR(POWER_MODE_ACTIVE)); 774 if (err) 775 return err; 776 777 DPRINTFN(10, ("%s: completed initial config\n", 778 device_xname(sc->atu_dev))); 779 return 0; 780 } 781 782 int 783 atu_join(struct atu_softc *sc, struct ieee80211_node *node) 784 { 785 struct atu_cmd_join join; 786 uint8_t status = 0; /* XXX: GCC */ 787 usbd_status err; 788 789 memset(&join, 0, sizeof(join)); 790 791 join.Cmd = CMD_JOIN; 792 join.Reserved = 0x00; 793 USETW(join.Size, sizeof(join) - 4); 794 795 DPRINTFN(15, ("%s: pre-join sc->atu_bssid=%s\n", 796 device_xname(sc->atu_dev), ether_sprintf(sc->atu_bssid))); 797 DPRINTFN(15, ("%s: mode=%d\n", device_xname(sc->atu_dev), 798 sc->atu_mode)); 799 memcpy(join.bssid, node->ni_bssid, IEEE80211_ADDR_LEN); 800 memset(join.essid, 0x00, 32); 801 memcpy(join.essid, node->ni_essid, node->ni_esslen); 802 join.essid_size = node->ni_esslen; 803 if (node->ni_capinfo & IEEE80211_CAPINFO_IBSS) 804 join.bss_type = AD_HOC_MODE; 805 else 806 join.bss_type = INFRASTRUCTURE_MODE; 807 join.channel = ieee80211_chan2ieee(&sc->sc_ic, node->ni_chan); 808 809 USETW(join.timeout, ATU_JOIN_TIMEOUT); 810 join.reserved = 0x00; 811 812 DPRINTFN(10, ("%s: trying to join BSSID=%s\n", 813 device_xname(sc->atu_dev), ether_sprintf(join.bssid))); 814 err = atu_send_command(sc, (uint8_t *)&join, sizeof(join)); 815 if (err) { 816 DPRINTF(("%s: ERROR trying to join IBSS\n", 817 device_xname(sc->atu_dev))); 818 return err; 819 } 820 err = atu_wait_completion(sc, CMD_JOIN, &status); 821 if (err) { 822 DPRINTF(("%s: error joining BSS!\n", 823 device_xname(sc->atu_dev))); 824 return err; 825 } 826 if (status != STATUS_COMPLETE) { 827 DPRINTF(("%s: error joining... [status=%02x]\n", 828 device_xname(sc->atu_dev), status)); 829 return status; 830 } else { 831 DPRINTFN(10, ("%s: joined BSS\n", device_xname(sc->atu_dev))); 832 } 833 return err; 834 } 835 836 /* 837 * Get the state of the DFU unit 838 */ 839 int8_t 840 atu_get_dfu_state(struct atu_softc *sc) 841 { 842 uint8_t state; 843 844 if (atu_usb_request(sc, DFU_GETSTATE, 0, 0, 1, &state)) 845 return -1; 846 return state; 847 } 848 849 /* 850 * Get MAC opmode 851 */ 852 uint8_t 853 atu_get_opmode(struct atu_softc *sc, uint8_t *mode) 854 { 855 856 return atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x33, 0x0001, 857 0x0000, 1, mode); 858 } 859 860 /* 861 * Upload the internal firmware into the device 862 */ 863 void 864 atu_internal_firmware(device_t arg) 865 { 866 struct atu_softc *sc = device_private(arg); 867 u_char state, *ptr = NULL, *firm = NULL, status[6]; 868 int block_size, block = 0, err, i; 869 size_t bytes_left = 0; 870 871 /* 872 * Uploading firmware is done with the DFU (Device Firmware Upgrade) 873 * interface. See "Universal Serial Bus - Device Class Specification 874 * for Device Firmware Upgrade" pdf for details of the protocol. 875 * Maybe this could be moved to a separate 'firmware driver' once more 876 * device drivers need it... For now we'll just do it here. 877 * 878 * Just for your information, the Atmel's DFU descriptor looks like 879 * this: 880 * 881 * 07 size 882 * 21 type 883 * 01 capabilities : only firmware download, need reset 884 * after download 885 * 13 05 detach timeout : max 1299ms between DFU_DETACH and 886 * reset 887 * 00 04 max bytes of firmware per transaction : 1024 888 */ 889 890 /* Choose the right firmware for the device */ 891 for (i = 0; i < __arraycount(atu_radfirm); i++) 892 if (sc->atu_radio == atu_radfirm[i].atur_type) { 893 firm = atu_radfirm[i].atur_internal; 894 bytes_left = atu_radfirm[i].atur_internal_sz; 895 } 896 897 if (firm == NULL) { 898 aprint_error_dev(arg, "no firmware found\n"); 899 return; 900 } 901 902 ptr = firm; 903 state = atu_get_dfu_state(sc); 904 905 while (block >= 0 && state > 0) { 906 switch (state) { 907 case DFUState_DnLoadSync: 908 /* get DFU status */ 909 err = atu_usb_request(sc, DFU_GETSTATUS, 0, 0 , 6, 910 status); 911 if (err) { 912 DPRINTF(("%s: dfu_getstatus failed!\n", 913 device_xname(sc->atu_dev))); 914 return; 915 } 916 /* success means state => DnLoadIdle */ 917 state = DFUState_DnLoadIdle; 918 continue; 919 break; 920 921 case DFUState_DFUIdle: 922 case DFUState_DnLoadIdle: 923 if (bytes_left>=DFU_MaxBlockSize) 924 block_size = DFU_MaxBlockSize; 925 else 926 block_size = bytes_left; 927 DPRINTFN(15, ("%s: firmware block %d\n", 928 device_xname(sc->atu_dev), block)); 929 930 err = atu_usb_request(sc, DFU_DNLOAD, block++, 0, 931 block_size, ptr); 932 if (err) { 933 DPRINTF(("%s: dfu_dnload failed\n", 934 device_xname(sc->atu_dev))); 935 return; 936 } 937 938 ptr += block_size; 939 bytes_left -= block_size; 940 if (block_size == 0) 941 block = -1; 942 break; 943 944 default: 945 usbd_delay_ms(sc->atu_udev, 100); 946 DPRINTFN(20, ("%s: sleeping for a while\n", 947 device_xname(sc->atu_dev))); 948 break; 949 } 950 951 state = atu_get_dfu_state(sc); 952 } 953 954 if (state != DFUState_ManifestSync) { 955 DPRINTF(("%s: state != manifestsync... eek!\n", 956 device_xname(sc->atu_dev))); 957 } 958 959 err = atu_usb_request(sc, DFU_GETSTATUS, 0, 0, 6, status); 960 if (err) { 961 DPRINTF(("%s: dfu_getstatus failed!\n", 962 device_xname(sc->atu_dev))); 963 return; 964 } 965 966 DPRINTFN(15, ("%s: sending remap\n", device_xname(sc->atu_dev))); 967 err = atu_usb_request(sc, DFU_REMAP, 0, 0, 0, NULL); 968 if ((err) && !(sc->atu_quirk & ATU_QUIRK_NO_REMAP)) { 969 DPRINTF(("%s: remap failed!\n", device_xname(sc->atu_dev))); 970 return; 971 } 972 973 /* after a lot of trying and measuring I found out the device needs 974 * about 56 miliseconds after sending the remap command before 975 * it's ready to communicate again. So we'll wait just a little bit 976 * longer than that to be sure... 977 */ 978 usbd_delay_ms(sc->atu_udev, 56+100); 979 980 aprint_error_dev(arg, "reattaching after firmware upload\n"); 981 usb_needs_reattach(sc->atu_udev); 982 } 983 984 void 985 atu_external_firmware(device_t arg) 986 { 987 struct atu_softc *sc = device_private(arg); 988 u_char *ptr = NULL, *firm = NULL; 989 int block_size, block = 0, err, i; 990 size_t bytes_left = 0; 991 992 for (i = 0; i < __arraycount(atu_radfirm); i++) 993 if (sc->atu_radio == atu_radfirm[i].atur_type) { 994 firm = atu_radfirm[i].atur_external; 995 bytes_left = atu_radfirm[i].atur_external_sz; 996 } 997 998 if (firm == NULL) { 999 aprint_error_dev(arg, "no firmware found\n"); 1000 return; 1001 } 1002 ptr = firm; 1003 1004 while (bytes_left) { 1005 if (bytes_left > 1024) 1006 block_size = 1024; 1007 else 1008 block_size = bytes_left; 1009 1010 DPRINTFN(15, ("%s: block:%d size:%d\n", 1011 device_xname(sc->atu_dev), block, block_size)); 1012 err = atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 1013 0x0802, block, block_size, ptr); 1014 if (err) { 1015 DPRINTF(("%s: could not load external firmware " 1016 "block\n", device_xname(sc->atu_dev))); 1017 return; 1018 } 1019 1020 ptr += block_size; 1021 block++; 1022 bytes_left -= block_size; 1023 } 1024 1025 err = atu_usb_request(sc, UT_WRITE_VENDOR_DEVICE, 0x0e, 0x0802, 1026 block, 0, NULL); 1027 if (err) { 1028 DPRINTF(("%s: could not load last zero-length firmware " 1029 "block\n", device_xname(sc->atu_dev))); 1030 return; 1031 } 1032 1033 /* 1034 * The SMC2662w V.4 seems to require some time to do its thing with 1035 * the external firmware... 20 ms isn't enough, but 21 ms works 100 1036 * times out of 100 tries. We'll wait a bit longer just to be sure 1037 */ 1038 if (sc->atu_quirk & ATU_QUIRK_FW_DELAY) 1039 usbd_delay_ms(sc->atu_udev, 21 + 100); 1040 1041 DPRINTFN(10, ("%s: external firmware upload done\n", 1042 device_xname(sc->atu_dev))); 1043 /* complete configuration after the firmwares have been uploaded */ 1044 atu_complete_attach(sc); 1045 } 1046 1047 int 1048 atu_get_card_config(struct atu_softc *sc) 1049 { 1050 struct ieee80211com *ic = &sc->sc_ic; 1051 struct atu_rfmd_conf rfmd_conf; 1052 struct atu_intersil_conf intersil_conf; 1053 int err; 1054 1055 switch (sc->atu_radio) { 1056 1057 case RadioRFMD: 1058 case RadioRFMD2958: 1059 case RadioRFMD2958_SMC: 1060 case AT76C503_rfmd_acc: 1061 case AT76C505_rfmd: 1062 err = atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x33, 1063 0x0a02, 0x0000, sizeof(rfmd_conf), 1064 (uint8_t *)&rfmd_conf); 1065 if (err) { 1066 DPRINTF(("%s: could not get rfmd config!\n", 1067 device_xname(sc->atu_dev))); 1068 return err; 1069 } 1070 memcpy(ic->ic_myaddr, rfmd_conf.MACAddr, IEEE80211_ADDR_LEN); 1071 break; 1072 1073 case RadioIntersil: 1074 case AT76C503_i3863: 1075 err = atu_usb_request(sc, UT_READ_VENDOR_INTERFACE, 0x33, 1076 0x0902, 0x0000, sizeof(intersil_conf), 1077 (uint8_t *)&intersil_conf); 1078 if (err) { 1079 DPRINTF(("%s: could not get intersil config!\n", 1080 device_xname(sc->atu_dev))); 1081 return err; 1082 } 1083 memcpy(ic->ic_myaddr, intersil_conf.MACAddr, 1084 IEEE80211_ADDR_LEN); 1085 break; 1086 } 1087 return 0; 1088 } 1089 1090 /* 1091 * Probe for an AT76c503 chip. 1092 */ 1093 int 1094 atu_match(device_t parent, cfdata_t match, void *aux) 1095 { 1096 struct usb_attach_arg *uaa = aux; 1097 int i; 1098 1099 for (i = 0; i < __arraycount(atu_devs); i++) { 1100 const struct atu_type *t = &atu_devs[i]; 1101 1102 if (uaa->uaa_vendor == t->atu_vid && 1103 uaa->uaa_product == t->atu_pid) { 1104 return UMATCH_VENDOR_PRODUCT; 1105 } 1106 } 1107 return UMATCH_NONE; 1108 } 1109 1110 int 1111 atu_media_change(struct ifnet *ifp) 1112 { 1113 struct atu_softc *sc = ifp->if_softc; 1114 struct ieee80211com *ic = &sc->sc_ic; 1115 int err, s; 1116 1117 DPRINTFN(10, ("%s: atu_media_change\n", device_xname(sc->atu_dev))); 1118 1119 err = ieee80211_media_change(ifp); 1120 if (err == ENETRESET) { 1121 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) == 1122 (IFF_RUNNING|IFF_UP)) { 1123 s = splnet(); 1124 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 1125 atu_initial_config(sc); 1126 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 1127 splx(s); 1128 } 1129 err = 0; 1130 } 1131 1132 return err; 1133 } 1134 1135 void 1136 atu_media_status(struct ifnet *ifp, struct ifmediareq *req) 1137 { 1138 #ifdef ATU_DEBUG 1139 struct atu_softc *sc = ifp->if_softc; 1140 #endif /* ATU_DEBUG */ 1141 1142 DPRINTFN(10, ("%s: atu_media_status\n", device_xname(sc->atu_dev))); 1143 1144 ieee80211_media_status(ifp, req); 1145 } 1146 1147 void 1148 atu_task(void *arg) 1149 { 1150 struct atu_softc *sc = (struct atu_softc *)arg; 1151 struct ieee80211com *ic = &sc->sc_ic; 1152 usbd_status err; 1153 int s; 1154 1155 DPRINTFN(10, ("%s: atu_task\n", device_xname(sc->atu_dev))); 1156 1157 if (sc->sc_state != ATU_S_OK) 1158 return; 1159 1160 switch (sc->sc_cmd) { 1161 case ATU_C_SCAN: 1162 1163 err = atu_start_scan(sc); 1164 if (err) { 1165 DPRINTFN(1, ("%s: atu_task: couldn't start scan!\n", 1166 device_xname(sc->atu_dev))); 1167 return; 1168 } 1169 1170 err = atu_wait_completion(sc, CMD_START_SCAN, NULL); 1171 if (err) { 1172 DPRINTF(("%s: atu_task: error waiting for scan\n", 1173 device_xname(sc->atu_dev))); 1174 return; 1175 } 1176 1177 DPRINTF(("%s: ==========================> END OF SCAN!\n", 1178 device_xname(sc->atu_dev))); 1179 1180 s = splnet(); 1181 ieee80211_next_scan(ic); 1182 splx(s); 1183 1184 DPRINTF(("%s: ----------------------======> END OF SCAN2!\n", 1185 device_xname(sc->atu_dev))); 1186 break; 1187 1188 case ATU_C_JOIN: 1189 atu_join(sc, ic->ic_bss); 1190 } 1191 } 1192 1193 int 1194 atu_newstate(struct ieee80211com *ic, enum ieee80211_state nstate, int arg) 1195 { 1196 struct ifnet *ifp = ic->ic_ifp; 1197 struct atu_softc *sc = ifp->if_softc; 1198 enum ieee80211_state ostate = ic->ic_state; 1199 1200 DPRINTFN(10, ("%s: atu_newstate: %s -> %s\n", device_xname(sc->atu_dev), 1201 ieee80211_state_name[ostate], ieee80211_state_name[nstate])); 1202 1203 switch (nstate) { 1204 case IEEE80211_S_SCAN: 1205 memcpy(ic->ic_chan_scan, ic->ic_chan_active, 1206 sizeof(ic->ic_chan_active)); 1207 ieee80211_node_table_reset(&ic->ic_scan); 1208 1209 /* tell the event thread that we want a scan */ 1210 sc->sc_cmd = ATU_C_SCAN; 1211 usb_add_task(sc->atu_udev, &sc->sc_task, USB_TASKQ_DRIVER); 1212 1213 /* handle this ourselves */ 1214 ic->ic_state = nstate; 1215 return 0; 1216 1217 case IEEE80211_S_AUTH: 1218 case IEEE80211_S_RUN: 1219 if (ostate == IEEE80211_S_SCAN) { 1220 sc->sc_cmd = ATU_C_JOIN; 1221 usb_add_task(sc->atu_udev, &sc->sc_task, 1222 USB_TASKQ_DRIVER); 1223 } 1224 break; 1225 default: 1226 /* nothing to do */ 1227 break; 1228 } 1229 1230 return (*sc->sc_newstate)(ic, nstate, arg); 1231 } 1232 1233 /* 1234 * Attach the interface. Allocate softc structures, do 1235 * setup and ethernet/BPF attach. 1236 */ 1237 void 1238 atu_attach(device_t parent, device_t self, void *aux) 1239 { 1240 struct atu_softc *sc = device_private(self); 1241 struct usb_attach_arg *uaa = aux; 1242 char *devinfop; 1243 usbd_status err; 1244 struct usbd_device *dev = uaa->uaa_device; 1245 uint8_t mode, channel; 1246 int i; 1247 1248 sc->atu_dev = self; 1249 sc->sc_state = ATU_S_UNCONFIG; 1250 1251 aprint_naive("\n"); 1252 aprint_normal("\n"); 1253 1254 devinfop = usbd_devinfo_alloc(dev, 0); 1255 aprint_normal_dev(self, "%s\n", devinfop); 1256 usbd_devinfo_free(devinfop); 1257 1258 err = usbd_set_config_no(dev, ATU_CONFIG_NO, 1); 1259 if (err) { 1260 aprint_error_dev(self, "failed to set configuration" 1261 ", err=%s\n", usbd_errstr(err)); 1262 return; 1263 } 1264 1265 err = usbd_device2interface_handle(dev, ATU_IFACE_IDX, &sc->atu_iface); 1266 if (err) { 1267 aprint_error_dev(self, "getting interface handle failed\n"); 1268 return; 1269 } 1270 1271 sc->atu_unit = device_unit(self); 1272 sc->atu_udev = dev; 1273 1274 /* 1275 * look up the radio_type for the device 1276 * basically does the same as atu_match 1277 */ 1278 for (i = 0; i < __arraycount(atu_devs); i++) { 1279 const struct atu_type *t = &atu_devs[i]; 1280 1281 if (uaa->uaa_vendor == t->atu_vid && 1282 uaa->uaa_product == t->atu_pid) { 1283 sc->atu_radio = t->atu_radio; 1284 sc->atu_quirk = t->atu_quirk; 1285 } 1286 } 1287 1288 /* 1289 * Check in the interface descriptor if we're in DFU mode 1290 * If we're in DFU mode, we upload the external firmware 1291 * If we're not, the PC must have rebooted without power-cycling 1292 * the device.. I've tried this out, a reboot only requeres the 1293 * external firmware to be reloaded :) 1294 * 1295 * Hmm. The at76c505a doesn't report a DFU descriptor when it's 1296 * in DFU mode... Let's just try to get the opmode 1297 */ 1298 err = atu_get_opmode(sc, &mode); 1299 DPRINTFN(20, ("%s: opmode: %d\n", device_xname(sc->atu_dev), mode)); 1300 if (err || (mode != MODE_NETCARD && mode != MODE_NOFLASHNETCARD)) { 1301 DPRINTF(("%s: starting internal firmware download\n", 1302 device_xname(sc->atu_dev))); 1303 1304 atu_internal_firmware(sc->atu_dev); 1305 /* 1306 * atu_internal_firmware will cause a reset of the device 1307 * so we don't want to do any more configuration after this 1308 * point. 1309 */ 1310 return; 1311 } 1312 1313 if (mode != MODE_NETCARD) { 1314 DPRINTFN(15, ("%s: device needs external firmware\n", 1315 device_xname(sc->atu_dev))); 1316 1317 if (mode != MODE_NOFLASHNETCARD) { 1318 DPRINTF(("%s: unexpected opmode=%d\n", 1319 device_xname(sc->atu_dev), mode)); 1320 } 1321 1322 /* 1323 * There is no difference in opmode before and after external 1324 * firmware upload with the SMC2662 V.4 . So instead we'll try 1325 * to read the channel number. If we succeed, external 1326 * firmwaremust have been already uploaded... 1327 */ 1328 if (sc->atu_radio != RadioIntersil) { 1329 err = atu_get_mib(sc, MIB_PHY__CHANNEL, &channel); 1330 if (!err) { 1331 DPRINTF(("%s: external firmware has already" 1332 " been downloaded\n", 1333 device_xname(sc->atu_dev))); 1334 atu_complete_attach(sc); 1335 return; 1336 } 1337 } 1338 1339 atu_external_firmware(sc->atu_dev); 1340 1341 /* 1342 * atu_external_firmware will call atu_complete_attach after 1343 * it's finished so we can just return. 1344 */ 1345 } else { 1346 /* all the firmwares are in place, so complete the attach */ 1347 atu_complete_attach(sc); 1348 } 1349 1350 return; 1351 } 1352 1353 void 1354 atu_complete_attach(struct atu_softc *sc) 1355 { 1356 struct ieee80211com *ic = &sc->sc_ic; 1357 struct ifnet *ifp = &sc->sc_if; 1358 usb_interface_descriptor_t *id; 1359 usb_endpoint_descriptor_t *ed; 1360 usbd_status err; 1361 int i; 1362 #ifdef ATU_DEBUG 1363 struct atu_fw fw; 1364 #endif 1365 1366 id = usbd_get_interface_descriptor(sc->atu_iface); 1367 1368 /* Find endpoints. */ 1369 for (i = 0; i < id->bNumEndpoints; i++) { 1370 ed = usbd_interface2endpoint_descriptor(sc->atu_iface, i); 1371 if (!ed) { 1372 DPRINTF(("%s: num_endp:%d\n", device_xname(sc->atu_dev), 1373 sc->atu_iface->ui_idesc->bNumEndpoints)); 1374 DPRINTF(("%s: couldn't get ep %d\n", 1375 device_xname(sc->atu_dev), i)); 1376 return; 1377 } 1378 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 1379 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 1380 sc->atu_ed[ATU_ENDPT_RX] = ed->bEndpointAddress; 1381 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 1382 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 1383 sc->atu_ed[ATU_ENDPT_TX] = ed->bEndpointAddress; 1384 } 1385 } 1386 1387 /* read device config & get MAC address */ 1388 err = atu_get_card_config(sc); 1389 if (err) { 1390 aprint_error("\n%s: could not get card cfg!\n", 1391 device_xname(sc->atu_dev)); 1392 return; 1393 } 1394 1395 #ifdef ATU_DEBUG 1396 /* DEBUG : try to get firmware version */ 1397 err = atu_get_mib(sc, MIB_FW_VERSION, sizeof(fw), 0, (uint8_t *)&fw); 1398 if (!err) { 1399 DPRINTFN(15, ("%s: firmware: maj:%d min:%d patch:%d " 1400 "build:%d\n", device_xname(sc->atu_dev), fw.major, 1401 fw.minor, fw.patch, fw.build)); 1402 } else { 1403 DPRINTF(("%s: get firmware version failed\n", 1404 device_xname(sc->atu_dev))); 1405 } 1406 #endif /* ATU_DEBUG */ 1407 1408 /* Show the world our MAC address */ 1409 aprint_normal_dev(sc->atu_dev, "MAC address %s\n", 1410 ether_sprintf(ic->ic_myaddr)); 1411 1412 sc->atu_cdata.atu_tx_inuse = 0; 1413 sc->atu_encrypt = ATU_WEP_OFF; 1414 sc->atu_wepkeylen = ATU_WEP_104BITS; 1415 sc->atu_wepkey = 0; 1416 1417 memset(sc->atu_bssid, 0, ETHER_ADDR_LEN); 1418 sc->atu_channel = ATU_DEFAULT_CHANNEL; 1419 sc->atu_desired_channel = IEEE80211_CHAN_ANY; 1420 sc->atu_mode = INFRASTRUCTURE_MODE; 1421 1422 ic->ic_ifp = ifp; 1423 ic->ic_phytype = IEEE80211_T_DS; 1424 ic->ic_opmode = IEEE80211_M_STA; 1425 ic->ic_state = IEEE80211_S_INIT; 1426 #ifdef FIXME 1427 ic->ic_caps = IEEE80211_C_IBSS | IEEE80211_C_WEP | IEEE80211_C_SCANALL; 1428 #else 1429 ic->ic_caps = IEEE80211_C_IBSS | IEEE80211_C_WEP; 1430 #endif 1431 1432 i = 0; 1433 ic->ic_sup_rates[IEEE80211_MODE_11B] = ieee80211_std_rateset_11b; 1434 1435 for (i = 1; i <= 14; i++) { 1436 ic->ic_channels[i].ic_flags = IEEE80211_CHAN_B | 1437 IEEE80211_CHAN_PASSIVE; 1438 ic->ic_channels[i].ic_freq = ieee80211_ieee2mhz(i, 1439 ic->ic_channels[i].ic_flags); 1440 } 1441 1442 ic->ic_ibss_chan = &ic->ic_channels[0]; 1443 1444 ifp->if_softc = sc; 1445 memcpy(ifp->if_xname, device_xname(sc->atu_dev), IFNAMSIZ); 1446 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1447 ifp->if_init = atu_init; 1448 ifp->if_stop = atu_stop; 1449 ifp->if_start = atu_start; 1450 ifp->if_ioctl = atu_ioctl; 1451 ifp->if_watchdog = atu_watchdog; 1452 ifp->if_mtu = ATU_DEFAULT_MTU; 1453 IFQ_SET_READY(&ifp->if_snd); 1454 1455 /* Call MI attach routine. */ 1456 if_attach(ifp); 1457 ieee80211_ifattach(ic); 1458 1459 sc->sc_newstate = ic->ic_newstate; 1460 ic->ic_newstate = atu_newstate; 1461 1462 /* setup ifmedia interface */ 1463 ieee80211_media_init(ic, atu_media_change, atu_media_status); 1464 1465 usb_init_task(&sc->sc_task, atu_task, sc, 0); 1466 1467 sc->sc_state = ATU_S_OK; 1468 } 1469 1470 int 1471 atu_detach(device_t self, int flags) 1472 { 1473 struct atu_softc *sc = device_private(self); 1474 struct ifnet *ifp = &sc->sc_if; 1475 1476 DPRINTFN(10, ("%s: atu_detach state=%d\n", device_xname(sc->atu_dev), 1477 sc->sc_state)); 1478 1479 if (sc->sc_state != ATU_S_UNCONFIG) { 1480 atu_stop(ifp, 1); 1481 1482 ieee80211_ifdetach(&sc->sc_ic); 1483 if_detach(ifp); 1484 } 1485 1486 return 0; 1487 } 1488 1489 int 1490 atu_activate(device_t self, enum devact act) 1491 { 1492 struct atu_softc *sc = device_private(self); 1493 1494 switch (act) { 1495 case DVACT_DEACTIVATE: 1496 if (sc->sc_state != ATU_S_UNCONFIG) { 1497 if_deactivate(&sc->atu_ec.ec_if); 1498 sc->sc_state = ATU_S_DEAD; 1499 } 1500 return 0; 1501 default: 1502 return EOPNOTSUPP; 1503 } 1504 } 1505 1506 /* 1507 * Initialize an RX descriptor and attach an MBUF cluster. 1508 */ 1509 int 1510 atu_newbuf(struct atu_softc *sc, struct atu_chain *c, struct mbuf *m) 1511 { 1512 struct mbuf *m_new = NULL; 1513 1514 if (m == NULL) { 1515 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 1516 if (m_new == NULL) { 1517 DPRINTF(("%s: no memory for rx list\n", 1518 device_xname(sc->atu_dev))); 1519 return ENOBUFS; 1520 } 1521 1522 MCLGET(m_new, M_DONTWAIT); 1523 if (!(m_new->m_flags & M_EXT)) { 1524 DPRINTF(("%s: no memory for rx list\n", 1525 device_xname(sc->atu_dev))); 1526 m_freem(m_new); 1527 return ENOBUFS; 1528 } 1529 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 1530 } else { 1531 m_new = m; 1532 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 1533 m_new->m_data = m_new->m_ext.ext_buf; 1534 } 1535 c->atu_mbuf = m_new; 1536 return 0; 1537 } 1538 1539 int 1540 atu_rx_list_init(struct atu_softc *sc) 1541 { 1542 struct atu_cdata *cd = &sc->atu_cdata; 1543 struct atu_chain *c; 1544 int i; 1545 1546 DPRINTFN(15, ("%s: atu_rx_list_init: enter\n", 1547 device_xname(sc->atu_dev))); 1548 1549 for (i = 0; i < ATU_RX_LIST_CNT; i++) { 1550 c = &cd->atu_rx_chain[i]; 1551 c->atu_sc = sc; 1552 c->atu_idx = i; 1553 if (c->atu_xfer == NULL) { 1554 int err = usbd_create_xfer(sc->atu_ep[ATU_ENDPT_RX], 1555 ATU_RX_BUFSZ, 0, 0, &c->atu_xfer); 1556 if (err) 1557 return err; 1558 c->atu_buf = usbd_get_buffer(c->atu_xfer); 1559 if (atu_newbuf(sc, c, NULL) == ENOBUFS) /* XXX free? */ 1560 return ENOBUFS; 1561 } 1562 } 1563 return 0; 1564 } 1565 1566 int 1567 atu_tx_list_init(struct atu_softc *sc) 1568 { 1569 struct atu_cdata *cd = &sc->atu_cdata; 1570 struct atu_chain *c; 1571 int i; 1572 1573 DPRINTFN(15, ("%s: atu_tx_list_init\n", 1574 device_xname(sc->atu_dev))); 1575 1576 SLIST_INIT(&cd->atu_tx_free); 1577 sc->atu_cdata.atu_tx_inuse = 0; 1578 1579 for (i = 0; i < ATU_TX_LIST_CNT; i++) { 1580 c = &cd->atu_tx_chain[i]; 1581 c->atu_sc = sc; 1582 c->atu_idx = i; 1583 if (c->atu_xfer == NULL) { 1584 int err = usbd_create_xfer(sc->atu_ep[ATU_ENDPT_TX], 1585 ATU_TX_BUFSZ, 0, 0, &c->atu_xfer); 1586 if (err) { 1587 return err; 1588 } 1589 c->atu_buf = usbd_get_buffer(c->atu_xfer); 1590 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, atu_list); 1591 } 1592 } 1593 return 0; 1594 } 1595 1596 void 1597 atu_xfer_list_free(struct atu_softc *sc, struct atu_chain *ch, int listlen) 1598 { 1599 int i; 1600 1601 /* Free resources. */ 1602 for (i = 0; i < listlen; i++) { 1603 if (ch[i].atu_buf != NULL) 1604 ch[i].atu_buf = NULL; 1605 if (ch[i].atu_mbuf != NULL) { 1606 m_freem(ch[i].atu_mbuf); 1607 ch[i].atu_mbuf = NULL; 1608 } 1609 if (ch[i].atu_xfer != NULL) { 1610 usbd_destroy_xfer(ch[i].atu_xfer); 1611 ch[i].atu_xfer = NULL; 1612 } 1613 } 1614 } 1615 1616 /* 1617 * A frame has been uploaded: pass the resulting mbuf chain up to 1618 * the higher level protocols. 1619 */ 1620 void 1621 atu_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1622 { 1623 struct atu_chain *c = (struct atu_chain *)priv; 1624 struct atu_softc *sc = c->atu_sc; 1625 struct ieee80211com *ic = &sc->sc_ic; 1626 struct ifnet *ifp = &sc->sc_if; 1627 struct atu_rx_hdr *h; 1628 struct ieee80211_frame_min *wh; 1629 struct ieee80211_node *ni; 1630 struct mbuf *m; 1631 uint32_t len; 1632 int s; 1633 1634 DPRINTFN(25, ("%s: atu_rxeof\n", device_xname(sc->atu_dev))); 1635 1636 if (sc->sc_state != ATU_S_OK) 1637 return; 1638 1639 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) != (IFF_RUNNING|IFF_UP)) 1640 goto done; 1641 1642 if (status != USBD_NORMAL_COMPLETION) { 1643 DPRINTF(("%s: status != USBD_NORMAL_COMPLETION\n", 1644 device_xname(sc->atu_dev))); 1645 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1646 return; 1647 } 1648 #if 0 1649 if (status == USBD_IOERROR) { 1650 DPRINTF(("%s: rx: EEK! lost device?\n", 1651 device_xname(sc->atu_dev))); 1652 1653 /* 1654 * My experience with USBD_IOERROR is that trying to 1655 * restart the transfer will always fail and we'll 1656 * keep on looping restarting transfers untill someone 1657 * pulls the plug of the device. 1658 * So we don't restart the transfer, but just let it 1659 * die... If someone knows of a situation where we can 1660 * recover from USBD_IOERROR, let me know. 1661 */ 1662 splx(s); 1663 return; 1664 } 1665 #endif /* 0 */ 1666 1667 if (usbd_ratecheck(&sc->atu_rx_notice)) { 1668 DPRINTF(("%s: usb error on rx: %s\n", 1669 device_xname(sc->atu_dev), usbd_errstr(status))); 1670 } 1671 if (status == USBD_STALLED) 1672 usbd_clear_endpoint_stall_async( 1673 sc->atu_ep[ATU_ENDPT_RX]); 1674 goto done; 1675 } 1676 1677 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1678 1679 if (len <= 1) { 1680 DPRINTF(("%s: atu_rxeof: too short\n", 1681 device_xname(sc->atu_dev))); 1682 goto done; 1683 } 1684 1685 h = (struct atu_rx_hdr *)c->atu_buf; 1686 len = UGETW(h->length) - 4; /* XXX magic number */ 1687 1688 m = c->atu_mbuf; 1689 memcpy(mtod(m, char *), c->atu_buf + ATU_RX_HDRLEN, len); 1690 m_set_rcvif(m, ifp); 1691 m->m_pkthdr.len = m->m_len = len; 1692 1693 wh = mtod(m, struct ieee80211_frame_min *); 1694 ni = ieee80211_find_rxnode(ic, wh); 1695 1696 ifp->if_ipackets++; 1697 1698 s = splnet(); 1699 1700 if (atu_newbuf(sc, c, NULL) == ENOBUFS) { 1701 ifp->if_ierrors++; 1702 goto done1; /* XXX if we can't allocate, why restart it? */ 1703 } 1704 1705 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1706 /* 1707 * WEP is decrypted by hardware. Clear WEP bit 1708 * header for ieee80211_input(). 1709 */ 1710 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 1711 } 1712 1713 ieee80211_input(ic, m, ni, h->rssi, UGETDW(h->rx_time)); 1714 1715 ieee80211_free_node(ni); 1716 done1: 1717 splx(s); 1718 done: 1719 /* Setup new transfer. */ 1720 usbd_setup_xfer(c->atu_xfer, c, c->atu_buf, ATU_RX_BUFSZ, 1721 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, atu_rxeof); 1722 usbd_transfer(c->atu_xfer); 1723 } 1724 1725 /* 1726 * A frame was downloaded to the chip. It's safe for us to clean up 1727 * the list buffers. 1728 */ 1729 void 1730 atu_txeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1731 { 1732 struct atu_chain *c = (struct atu_chain *)priv; 1733 struct atu_softc *sc = c->atu_sc; 1734 struct ifnet *ifp = &sc->sc_if; 1735 usbd_status err; 1736 int s; 1737 1738 DPRINTFN(25, ("%s: atu_txeof status=%d\n", device_xname(sc->atu_dev), 1739 status)); 1740 1741 if (c->atu_mbuf) { 1742 m_freem(c->atu_mbuf); 1743 c->atu_mbuf = NULL; 1744 } 1745 1746 if (status != USBD_NORMAL_COMPLETION) { 1747 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1748 return; 1749 1750 DPRINTF(("%s: usb error on tx: %s\n", 1751 device_xname(sc->atu_dev), usbd_errstr(status))); 1752 if (status == USBD_STALLED) 1753 usbd_clear_endpoint_stall_async( 1754 sc->atu_ep[ATU_ENDPT_TX]); 1755 return; 1756 } 1757 1758 usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, &err); 1759 1760 if (err) 1761 ifp->if_oerrors++; 1762 else 1763 ifp->if_opackets++; 1764 1765 s = splnet(); 1766 SLIST_INSERT_HEAD(&sc->atu_cdata.atu_tx_free, c, atu_list); 1767 sc->atu_cdata.atu_tx_inuse--; 1768 if (sc->atu_cdata.atu_tx_inuse == 0) 1769 ifp->if_timer = 0; 1770 ifp->if_flags &= ~IFF_OACTIVE; 1771 splx(s); 1772 1773 atu_start(ifp); 1774 } 1775 1776 uint8_t 1777 atu_calculate_padding(int size) 1778 { 1779 size %= 64; 1780 1781 if (size < 50) 1782 return 50 - size; 1783 if (size >=61) 1784 return 64 + 50 - size; 1785 return 0; 1786 } 1787 1788 int 1789 atu_tx_start(struct atu_softc *sc, struct ieee80211_node *ni, 1790 struct atu_chain *c, struct mbuf *m) 1791 { 1792 int len; 1793 struct atu_tx_hdr *h; 1794 usbd_status err; 1795 uint8_t pad; 1796 1797 DPRINTFN(25, ("%s: atu_tx_start\n", device_xname(sc->atu_dev))); 1798 1799 /* Don't try to send when we're shutting down the driver */ 1800 if (sc->sc_state != ATU_S_OK) { 1801 m_freem(m); 1802 return EIO; 1803 } 1804 1805 /* 1806 * Copy the mbuf data into a contiguous buffer, leaving 1807 * enough room for the atmel headers 1808 */ 1809 len = m->m_pkthdr.len; 1810 1811 m_copydata(m, 0, m->m_pkthdr.len, c->atu_buf + ATU_TX_HDRLEN); 1812 1813 h = (struct atu_tx_hdr *)c->atu_buf; 1814 memset(h, 0, ATU_TX_HDRLEN); 1815 USETW(h->length, len); 1816 h->tx_rate = 4; /* XXX rate = auto */ 1817 len += ATU_TX_HDRLEN; 1818 1819 pad = atu_calculate_padding(len); 1820 len += pad; 1821 h->padding = pad; 1822 1823 c->atu_length = len; 1824 c->atu_mbuf = m; 1825 1826 usbd_setup_xfer(c->atu_xfer, c, c->atu_buf, c->atu_length, 0, 1827 ATU_TX_TIMEOUT, atu_txeof); 1828 1829 /* Let's get this thing into the air! */ 1830 c->atu_in_xfer = 1; 1831 err = usbd_transfer(c->atu_xfer); 1832 if (err != USBD_IN_PROGRESS) { 1833 DPRINTFN(25, ("%s: atu_tx_start, err=%d", 1834 device_xname(sc->atu_dev), err)); 1835 c->atu_mbuf = NULL; 1836 m_freem(m); 1837 return EIO; 1838 } 1839 1840 return 0; 1841 } 1842 1843 void 1844 atu_start(struct ifnet *ifp) 1845 { 1846 struct atu_softc *sc = ifp->if_softc; 1847 struct ieee80211com *ic = &sc->sc_ic; 1848 struct atu_cdata *cd = &sc->atu_cdata; 1849 struct ieee80211_node *ni; 1850 struct atu_chain *c; 1851 struct mbuf *m = NULL; 1852 int s; 1853 1854 DPRINTFN(25, ("%s: atu_start: enter\n", device_xname(sc->atu_dev))); 1855 1856 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1857 return; 1858 } 1859 if (ifp->if_flags & IFF_OACTIVE) { 1860 DPRINTFN(30, ("%s: atu_start: IFF_OACTIVE\n", 1861 device_xname(sc->atu_dev))); 1862 return; 1863 } 1864 1865 for (;;) { 1866 /* grab a TX buffer */ 1867 s = splnet(); 1868 c = SLIST_FIRST(&cd->atu_tx_free); 1869 if (c != NULL) { 1870 SLIST_REMOVE_HEAD(&cd->atu_tx_free, atu_list); 1871 cd->atu_tx_inuse++; 1872 if (cd->atu_tx_inuse == ATU_TX_LIST_CNT) 1873 ifp->if_flags |= IFF_OACTIVE; 1874 } 1875 splx(s); 1876 if (c == NULL) { 1877 DPRINTFN(10, ("%s: out of tx xfers\n", 1878 device_xname(sc->atu_dev))); 1879 ifp->if_flags |= IFF_OACTIVE; 1880 break; 1881 } 1882 1883 /* 1884 * Poll the management queue for frames, it has priority over 1885 * normal data frames. 1886 */ 1887 IF_DEQUEUE(&ic->ic_mgtq, m); 1888 if (m == NULL) { 1889 DPRINTFN(10, ("%s: atu_start: data packet\n", 1890 device_xname(sc->atu_dev))); 1891 if (ic->ic_state != IEEE80211_S_RUN) { 1892 DPRINTFN(25, ("%s: no data till running\n", 1893 device_xname(sc->atu_dev))); 1894 /* put the xfer back on the list */ 1895 s = splnet(); 1896 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1897 atu_list); 1898 cd->atu_tx_inuse--; 1899 splx(s); 1900 break; 1901 } 1902 1903 IFQ_DEQUEUE(&ifp->if_snd, m); 1904 if (m == NULL) { 1905 DPRINTFN(25, ("%s: nothing to send\n", 1906 device_xname(sc->atu_dev))); 1907 s = splnet(); 1908 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1909 atu_list); 1910 cd->atu_tx_inuse--; 1911 splx(s); 1912 break; 1913 } 1914 bpf_mtap(ifp, m, BPF_D_OUT); 1915 ni = ieee80211_find_txnode(ic, 1916 mtod(m, struct ether_header *)->ether_dhost); 1917 if (ni == NULL) { 1918 m_freem(m); 1919 goto bad; 1920 } 1921 m = ieee80211_encap(ic, m, ni); 1922 if (m == NULL) 1923 goto bad; 1924 } else { 1925 DPRINTFN(25, ("%s: atu_start: mgmt packet\n", 1926 device_xname(sc->atu_dev))); 1927 1928 /* 1929 * Hack! The referenced node pointer is in the 1930 * rcvif field of the packet header. This is 1931 * placed there by ieee80211_mgmt_output because 1932 * we need to hold the reference with the frame 1933 * and there's no other way (other than packet 1934 * tags which we consider too expensive to use) 1935 * to pass it along. 1936 */ 1937 ni = M_GETCTX(m, struct ieee80211_node *); 1938 M_CLEARCTX(m); 1939 1940 /* sc->sc_stats.ast_tx_mgmt++; */ 1941 } 1942 1943 bpf_mtap3(ic->ic_rawbpf, m, BPF_D_OUT); 1944 1945 if (atu_tx_start(sc, ni, c, m)) { 1946 bad: 1947 s = splnet(); 1948 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1949 atu_list); 1950 cd->atu_tx_inuse--; 1951 splx(s); 1952 /* ifp_if_oerrors++; */ 1953 if (ni != NULL) 1954 ieee80211_free_node(ni); 1955 continue; 1956 } 1957 ifp->if_timer = 5; 1958 } 1959 } 1960 1961 int 1962 atu_init(struct ifnet *ifp) 1963 { 1964 struct atu_softc *sc = ifp->if_softc; 1965 struct ieee80211com *ic = &sc->sc_ic; 1966 struct atu_chain *c; 1967 usbd_status err; 1968 int i, s; 1969 1970 s = splnet(); 1971 1972 DPRINTFN(10, ("%s: atu_init\n", device_xname(sc->atu_dev))); 1973 1974 if (ifp->if_flags & IFF_RUNNING) { 1975 splx(s); 1976 return 0; 1977 } 1978 1979 /* Load the multicast filter. */ 1980 /*atu_setmulti(sc); */ 1981 1982 /* Open RX and TX pipes. */ 1983 err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_RX], 1984 USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_RX]); 1985 if (err) { 1986 DPRINTF(("%s: open rx pipe failed: %s\n", 1987 device_xname(sc->atu_dev), usbd_errstr(err))); 1988 splx(s); 1989 return EIO; 1990 } 1991 1992 err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_TX], 1993 USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_TX]); 1994 if (err) { 1995 DPRINTF(("%s: open tx pipe failed: %s\n", 1996 device_xname(sc->atu_dev), usbd_errstr(err))); 1997 splx(s); 1998 return EIO; 1999 } 2000 2001 /* Init TX ring */ 2002 if (atu_tx_list_init(sc)) 2003 printf("%s: tx list init failed\n", device_xname(sc->atu_dev)); 2004 2005 /* Init RX ring */ 2006 if (atu_rx_list_init(sc)) 2007 printf("%s: rx list init failed\n", device_xname(sc->atu_dev)); 2008 2009 /* Start up the receive pipe. */ 2010 for (i = 0; i < ATU_RX_LIST_CNT; i++) { 2011 c = &sc->atu_cdata.atu_rx_chain[i]; 2012 2013 usbd_setup_xfer(c->atu_xfer, c, c->atu_buf, ATU_RX_BUFSZ, 2014 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, atu_rxeof); 2015 usbd_transfer(c->atu_xfer); 2016 } 2017 2018 DPRINTFN(10, ("%s: starting up using MAC=%s\n", 2019 device_xname(sc->atu_dev), ether_sprintf(ic->ic_myaddr))); 2020 2021 /* Do initial setup */ 2022 err = atu_initial_config(sc); 2023 if (err) { 2024 DPRINTF(("%s: initial config failed!\n", 2025 device_xname(sc->atu_dev))); 2026 splx(s); 2027 return EIO; 2028 } 2029 DPRINTFN(10, ("%s: initialised transceiver\n", 2030 device_xname(sc->atu_dev))); 2031 2032 /* sc->atu_rxfilt = ATU_RXFILT_UNICAST|ATU_RXFILT_BROADCAST; */ 2033 2034 /* If we want promiscuous mode, set the allframes bit. */ 2035 /* 2036 if (ifp->if_flags & IFF_PROMISC) 2037 sc->atu_rxfilt |= ATU_RXFILT_PROMISC; 2038 */ 2039 2040 ifp->if_flags |= IFF_RUNNING; 2041 ifp->if_flags &= ~IFF_OACTIVE; 2042 splx(s); 2043 2044 /* XXX the following HAS to be replaced */ 2045 s = splnet(); 2046 err = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2047 if (err) { 2048 DPRINTFN(1, ("%s: atu_init: error calling " 2049 "ieee80211_net_state", device_xname(sc->atu_dev))); 2050 } 2051 splx(s); 2052 2053 return 0; 2054 } 2055 2056 #ifdef ATU_DEBUG 2057 void 2058 atu_debug_print(struct atu_softc *sc) 2059 { 2060 usbd_status err; 2061 uint8_t tmp[32]; 2062 2063 /* DEBUG */ 2064 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_BSSID, tmp))) 2065 return; 2066 DPRINTF(("%s: DEBUG: current BSSID=%s\n", device_xname(sc->atu_dev), 2067 ether_sprintf(tmp))); 2068 2069 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__BEACON_PERIOD, tmp))) 2070 return; 2071 DPRINTF(("%s: DEBUG: beacon period=%d\n", device_xname(sc->atu_dev), 2072 tmp[0])); 2073 2074 if ((err = atu_get_mib(sc, MIB_MAC_WEP__PRIVACY_INVOKED, tmp))) 2075 return; 2076 DPRINTF(("%s: DEBUG: privacy invoked=%d\n", device_xname(sc->atu_dev), 2077 tmp[0])); 2078 2079 if ((err = atu_get_mib(sc, MIB_MAC_WEP__ENCR_LEVEL, tmp))) 2080 return; 2081 DPRINTF(("%s: DEBUG: encr_level=%d\n", device_xname(sc->atu_dev), 2082 tmp[0])); 2083 2084 if ((err = atu_get_mib(sc, MIB_MAC_WEP__ICV_ERROR_COUNT, tmp))) 2085 return; 2086 DPRINTF(("%s: DEBUG: icv error count=%d\n", device_xname(sc->atu_dev), 2087 *(short *)tmp)); 2088 2089 if ((err = atu_get_mib(sc, MIB_MAC_WEP__EXCLUDED_COUNT, tmp))) 2090 return; 2091 DPRINTF(("%s: DEBUG: wep excluded count=%d\n", 2092 device_xname(sc->atu_dev), *(short *)tmp)); 2093 2094 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__POWER_MODE, tmp))) 2095 return; 2096 DPRINTF(("%s: DEBUG: power mode=%d\n", device_xname(sc->atu_dev), 2097 tmp[0])); 2098 2099 if ((err = atu_get_mib(sc, MIB_PHY__CHANNEL, tmp))) 2100 return; 2101 DPRINTF(("%s: DEBUG: channel=%d\n", device_xname(sc->atu_dev), tmp[0])); 2102 2103 if ((err = atu_get_mib(sc, MIB_PHY__REG_DOMAIN, tmp))) 2104 return; 2105 DPRINTF(("%s: DEBUG: reg domain=%d\n", device_xname(sc->atu_dev), 2106 tmp[0])); 2107 2108 if ((err = atu_get_mib(sc, MIB_LOCAL__SSID_SIZE, tmp))) 2109 return; 2110 DPRINTF(("%s: DEBUG: ssid size=%d\n", device_xname(sc->atu_dev), 2111 tmp[0])); 2112 2113 if ((err = atu_get_mib(sc, MIB_LOCAL__BEACON_ENABLE, tmp))) 2114 return; 2115 DPRINTF(("%s: DEBUG: beacon enable=%d\n", device_xname(sc->atu_dev), 2116 tmp[0])); 2117 2118 if ((err = atu_get_mib(sc, MIB_LOCAL__AUTO_RATE_FALLBACK, tmp))) 2119 return; 2120 DPRINTF(("%s: DEBUG: auto rate fallback=%d\n", 2121 device_xname(sc->atu_dev), tmp[0])); 2122 2123 if ((err = atu_get_mib(sc, MIB_MAC_ADDR__ADDR, tmp))) 2124 return; 2125 DPRINTF(("%s: DEBUG: mac addr=%s\n", device_xname(sc->atu_dev), 2126 ether_sprintf(tmp))); 2127 2128 if ((err = atu_get_mib(sc, MIB_MAC__DESIRED_SSID, tmp))) 2129 return; 2130 DPRINTF(("%s: DEBUG: desired ssid=%s\n", device_xname(sc->atu_dev), 2131 tmp)); 2132 2133 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_ESSID, tmp))) 2134 return; 2135 DPRINTF(("%s: DEBUG: current ESSID=%s\n", device_xname(sc->atu_dev), 2136 tmp)); 2137 } 2138 #endif /* ATU_DEBUG */ 2139 2140 int 2141 atu_ioctl(struct ifnet *ifp, u_long command, void *data) 2142 { 2143 struct atu_softc *sc = ifp->if_softc; 2144 struct ifreq *ifr = (struct ifreq *)data; 2145 struct ieee80211com *ic = &sc->sc_ic; 2146 int err = 0, s; 2147 2148 s = splnet(); 2149 switch (command) { 2150 case SIOCSIFMEDIA: 2151 case SIOCGIFMEDIA: 2152 err = ifmedia_ioctl(ifp, ifr, &ic->ic_media, command); 2153 break; 2154 2155 default: 2156 DPRINTFN(15, ("%s: ieee80211_ioctl (%lu)\n", 2157 device_xname(sc->atu_dev), command)); 2158 err = ieee80211_ioctl(ic, command, data); 2159 break; 2160 } 2161 2162 if (err == ENETRESET) { 2163 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) == 2164 (IFF_RUNNING|IFF_UP)) { 2165 DPRINTF(("%s: atu_ioctl(): netreset %lu\n", 2166 device_xname(sc->atu_dev), command)); 2167 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2168 atu_initial_config(sc); 2169 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2170 } 2171 err = 0; 2172 } 2173 2174 splx(s); 2175 return err; 2176 } 2177 2178 void 2179 atu_watchdog(struct ifnet *ifp) 2180 { 2181 struct atu_softc *sc = ifp->if_softc; 2182 struct atu_chain *c; 2183 usbd_status stat; 2184 int cnt, s; 2185 2186 DPRINTF(("%s: atu_watchdog\n", device_xname(sc->atu_dev))); 2187 2188 ifp->if_timer = 0; 2189 2190 if (sc->sc_state != ATU_S_OK || (ifp->if_flags & IFF_RUNNING) == 0) 2191 return; 2192 2193 sc = ifp->if_softc; 2194 s = splnet(); 2195 ifp->if_oerrors++; 2196 DPRINTF(("%s: watchdog timeout\n", device_xname(sc->atu_dev))); 2197 2198 /* 2199 * TODO: 2200 * we should change this since we have multiple TX tranfers... 2201 */ 2202 for (cnt = 0; cnt < ATU_TX_LIST_CNT; cnt++) { 2203 c = &sc->atu_cdata.atu_tx_chain[cnt]; 2204 if (c->atu_in_xfer) { 2205 usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, 2206 &stat); 2207 atu_txeof(c->atu_xfer, c, stat); 2208 } 2209 } 2210 2211 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 2212 atu_start(ifp); 2213 splx(s); 2214 2215 ieee80211_watchdog(&sc->sc_ic); 2216 } 2217 2218 /* 2219 * Stop the adapter and free any mbufs allocated to the 2220 * RX and TX lists. 2221 */ 2222 void 2223 atu_stop(struct ifnet *ifp, int disable) 2224 { 2225 struct atu_softc *sc = ifp->if_softc; 2226 struct ieee80211com *ic = &sc->sc_ic; 2227 struct atu_cdata *cd; 2228 usbd_status err; 2229 int s; 2230 2231 s = splnet(); 2232 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2233 ifp->if_timer = 0; 2234 2235 usb_rem_task_wait(sc->atu_udev, &sc->sc_task, USB_TASKQ_DRIVER, NULL); 2236 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2237 2238 /* Stop transfers. */ 2239 if (sc->atu_ep[ATU_ENDPT_RX] != NULL) { 2240 err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_RX]); 2241 if (err) { 2242 DPRINTF(("%s: abort rx pipe failed: %s\n", 2243 device_xname(sc->atu_dev), usbd_errstr(err))); 2244 } 2245 } 2246 2247 if (sc->atu_ep[ATU_ENDPT_TX] != NULL) { 2248 err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_TX]); 2249 if (err) { 2250 DPRINTF(("%s: abort tx pipe failed: %s\n", 2251 device_xname(sc->atu_dev), usbd_errstr(err))); 2252 } 2253 } 2254 2255 /* Free RX/TX/MGMT list resources. */ 2256 cd = &sc->atu_cdata; 2257 atu_xfer_list_free(sc, cd->atu_rx_chain, ATU_RX_LIST_CNT); 2258 atu_xfer_list_free(sc, cd->atu_tx_chain, ATU_TX_LIST_CNT); 2259 2260 /* Close pipes */ 2261 if (sc->atu_ep[ATU_ENDPT_RX] != NULL) { 2262 err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_RX]); 2263 if (err) { 2264 DPRINTF(("%s: close rx pipe failed: %s\n", 2265 device_xname(sc->atu_dev), usbd_errstr(err))); 2266 } 2267 sc->atu_ep[ATU_ENDPT_RX] = NULL; 2268 } 2269 2270 if (sc->atu_ep[ATU_ENDPT_TX] != NULL) { 2271 err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_TX]); 2272 if (err) { 2273 DPRINTF(("%s: close tx pipe failed: %s\n", 2274 device_xname(sc->atu_dev), usbd_errstr(err))); 2275 } 2276 sc->atu_ep[ATU_ENDPT_TX] = NULL; 2277 } 2278 2279 /* Let's be nice and turn off the radio before we leave */ 2280 atu_switch_radio(sc, 0); 2281 2282 splx(s); 2283 } 2284
Indexes created Thu Sep 25 16:09:42 GMT 2025