if_atu.c revision 1.54
1 /* $NetBSD: if_atu.c,v 1.54 2016/06/10 13:27:15 ozaki-r 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 1.54 2016/06/10 13:27:15 ozaki-r Exp $"); 52 53 #include <sys/param.h> 54 #include <sys/sockio.h> 55 #include <sys/mbuf.h> 56 #include <sys/kernel.h> 57 #include <sys/socket.h> 58 #include <sys/systm.h> 59 #include <sys/kthread.h> 60 #include <sys/queue.h> 61 #include <sys/device.h> 62 63 #include <sys/bus.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdivar.h> 69 70 #include <dev/usb/usbdevs.h> 71 72 #include <dev/microcode/atmel/atmel_intersil_fw.h> 73 #include <dev/microcode/atmel/atmel_rfmd2958-smc_fw.h> 74 #include <dev/microcode/atmel/atmel_rfmd2958_fw.h> 75 #include <dev/microcode/atmel/atmel_rfmd_fw.h> 76 77 #include <net/bpf.h> 78 #include <net/bpfdesc.h> 79 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 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 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 extern struct cfdriver atu_cd; 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, USBD_SHORT_XFER_OK, 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", device_xname(sc->atu_dev), 733 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 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 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, fw.minor, 1401 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].rs_rates[i++] = 2; 1434 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 4; 1435 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 11; 1436 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 22; 1437 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = i; 1438 1439 for (i = 1; i <= 14; i++) { 1440 ic->ic_channels[i].ic_flags = IEEE80211_CHAN_B | 1441 IEEE80211_CHAN_PASSIVE; 1442 ic->ic_channels[i].ic_freq = ieee80211_ieee2mhz(i, 1443 ic->ic_channels[i].ic_flags); 1444 } 1445 1446 ic->ic_ibss_chan = &ic->ic_channels[0]; 1447 1448 ifp->if_softc = sc; 1449 memcpy(ifp->if_xname, device_xname(sc->atu_dev), IFNAMSIZ); 1450 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1451 ifp->if_init = atu_init; 1452 ifp->if_stop = atu_stop; 1453 ifp->if_start = atu_start; 1454 ifp->if_ioctl = atu_ioctl; 1455 ifp->if_watchdog = atu_watchdog; 1456 ifp->if_mtu = ATU_DEFAULT_MTU; 1457 IFQ_SET_READY(&ifp->if_snd); 1458 1459 /* Call MI attach routine. */ 1460 if_attach(ifp); 1461 ieee80211_ifattach(ic); 1462 1463 sc->sc_newstate = ic->ic_newstate; 1464 ic->ic_newstate = atu_newstate; 1465 1466 /* setup ifmedia interface */ 1467 ieee80211_media_init(ic, atu_media_change, atu_media_status); 1468 1469 usb_init_task(&sc->sc_task, atu_task, sc, 0); 1470 1471 sc->sc_state = ATU_S_OK; 1472 } 1473 1474 int 1475 atu_detach(device_t self, int flags) 1476 { 1477 struct atu_softc *sc = device_private(self); 1478 struct ifnet *ifp = &sc->sc_if; 1479 1480 DPRINTFN(10, ("%s: atu_detach state=%d\n", device_xname(sc->atu_dev), 1481 sc->sc_state)); 1482 1483 if (sc->sc_state != ATU_S_UNCONFIG) { 1484 atu_stop(ifp, 1); 1485 1486 ieee80211_ifdetach(&sc->sc_ic); 1487 if_detach(ifp); 1488 } 1489 1490 return(0); 1491 } 1492 1493 int 1494 atu_activate(device_t self, enum devact act) 1495 { 1496 struct atu_softc *sc = device_private(self); 1497 1498 switch (act) { 1499 case DVACT_DEACTIVATE: 1500 if (sc->sc_state != ATU_S_UNCONFIG) { 1501 if_deactivate(&sc->atu_ec.ec_if); 1502 sc->sc_state = ATU_S_DEAD; 1503 } 1504 return 0; 1505 default: 1506 return EOPNOTSUPP; 1507 } 1508 } 1509 1510 /* 1511 * Initialize an RX descriptor and attach an MBUF cluster. 1512 */ 1513 int 1514 atu_newbuf(struct atu_softc *sc, struct atu_chain *c, struct mbuf *m) 1515 { 1516 struct mbuf *m_new = NULL; 1517 1518 if (m == NULL) { 1519 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 1520 if (m_new == NULL) { 1521 DPRINTF(("%s: no memory for rx list\n", 1522 device_xname(sc->atu_dev))); 1523 return(ENOBUFS); 1524 } 1525 1526 MCLGET(m_new, M_DONTWAIT); 1527 if (!(m_new->m_flags & M_EXT)) { 1528 DPRINTF(("%s: no memory for rx list\n", 1529 device_xname(sc->atu_dev))); 1530 m_freem(m_new); 1531 return(ENOBUFS); 1532 } 1533 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 1534 } else { 1535 m_new = m; 1536 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 1537 m_new->m_data = m_new->m_ext.ext_buf; 1538 } 1539 c->atu_mbuf = m_new; 1540 return(0); 1541 } 1542 1543 int 1544 atu_rx_list_init(struct atu_softc *sc) 1545 { 1546 struct atu_cdata *cd = &sc->atu_cdata; 1547 struct atu_chain *c; 1548 int i; 1549 1550 DPRINTFN(15, ("%s: atu_rx_list_init: enter\n", 1551 device_xname(sc->atu_dev))); 1552 1553 for (i = 0; i < ATU_RX_LIST_CNT; i++) { 1554 c = &cd->atu_rx_chain[i]; 1555 c->atu_sc = sc; 1556 c->atu_idx = i; 1557 if (c->atu_xfer == NULL) { 1558 int err = usbd_create_xfer(sc->atu_ep[ATU_ENDPT_RX], 1559 ATU_RX_BUFSZ, USBD_SHORT_XFER_OK, 0, &c->atu_xfer); 1560 if (err) 1561 return err; 1562 c->atu_buf = usbd_get_buffer(c->atu_xfer); 1563 if (atu_newbuf(sc, c, NULL) == ENOBUFS) /* XXX free? */ 1564 return(ENOBUFS); 1565 } 1566 } 1567 return 0; 1568 } 1569 1570 int 1571 atu_tx_list_init(struct atu_softc *sc) 1572 { 1573 struct atu_cdata *cd = &sc->atu_cdata; 1574 struct atu_chain *c; 1575 int i; 1576 1577 DPRINTFN(15, ("%s: atu_tx_list_init\n", 1578 device_xname(sc->atu_dev))); 1579 1580 SLIST_INIT(&cd->atu_tx_free); 1581 sc->atu_cdata.atu_tx_inuse = 0; 1582 1583 for (i = 0; i < ATU_TX_LIST_CNT; i++) { 1584 c = &cd->atu_tx_chain[i]; 1585 c->atu_sc = sc; 1586 c->atu_idx = i; 1587 if (c->atu_xfer == NULL) { 1588 int err = usbd_create_xfer(sc->atu_ep[ATU_ENDPT_TX], 1589 ATU_TX_BUFSZ, 0, 0, &c->atu_xfer); 1590 if (err) { 1591 return err; 1592 } 1593 c->atu_buf = usbd_get_buffer(c->atu_xfer); 1594 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, atu_list); 1595 } 1596 } 1597 return(0); 1598 } 1599 1600 void 1601 atu_xfer_list_free(struct atu_softc *sc, struct atu_chain *ch, 1602 int listlen) 1603 { 1604 int i; 1605 1606 /* Free resources. */ 1607 for (i = 0; i < listlen; i++) { 1608 if (ch[i].atu_buf != NULL) 1609 ch[i].atu_buf = NULL; 1610 if (ch[i].atu_mbuf != NULL) { 1611 m_freem(ch[i].atu_mbuf); 1612 ch[i].atu_mbuf = NULL; 1613 } 1614 if (ch[i].atu_xfer != NULL) { 1615 usbd_destroy_xfer(ch[i].atu_xfer); 1616 ch[i].atu_xfer = NULL; 1617 } 1618 } 1619 } 1620 1621 /* 1622 * A frame has been uploaded: pass the resulting mbuf chain up to 1623 * the higher level protocols. 1624 */ 1625 void 1626 atu_rxeof(struct usbd_xfer *xfer, void *priv, usbd_status status) 1627 { 1628 struct atu_chain *c = (struct atu_chain *)priv; 1629 struct atu_softc *sc = c->atu_sc; 1630 struct ieee80211com *ic = &sc->sc_ic; 1631 struct ifnet *ifp = &sc->sc_if; 1632 struct atu_rx_hdr *h; 1633 struct ieee80211_frame_min *wh; 1634 struct ieee80211_node *ni; 1635 struct mbuf *m; 1636 uint32_t len; 1637 int s; 1638 1639 DPRINTFN(25, ("%s: atu_rxeof\n", device_xname(sc->atu_dev))); 1640 1641 if (sc->sc_state != ATU_S_OK) 1642 return; 1643 1644 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) != (IFF_RUNNING|IFF_UP)) 1645 goto done; 1646 1647 if (status != USBD_NORMAL_COMPLETION) { 1648 DPRINTF(("%s: status != USBD_NORMAL_COMPLETION\n", 1649 device_xname(sc->atu_dev))); 1650 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1651 return; 1652 } 1653 #if 0 1654 if (status == USBD_IOERROR) { 1655 DPRINTF(("%s: rx: EEK! lost device?\n", 1656 device_xname(sc->atu_dev))); 1657 1658 /* 1659 * My experience with USBD_IOERROR is that trying to 1660 * restart the transfer will always fail and we'll 1661 * keep on looping restarting transfers untill someone 1662 * pulls the plug of the device. 1663 * So we don't restart the transfer, but just let it 1664 * die... If someone knows of a situation where we can 1665 * recover from USBD_IOERROR, let me know. 1666 */ 1667 splx(s); 1668 return; 1669 } 1670 #endif /* 0 */ 1671 1672 if (usbd_ratecheck(&sc->atu_rx_notice)) { 1673 DPRINTF(("%s: usb error on rx: %s\n", 1674 device_xname(sc->atu_dev), usbd_errstr(status))); 1675 } 1676 if (status == USBD_STALLED) 1677 usbd_clear_endpoint_stall_async( 1678 sc->atu_ep[ATU_ENDPT_RX]); 1679 goto done; 1680 } 1681 1682 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1683 1684 if (len <= 1) { 1685 DPRINTF(("%s: atu_rxeof: too short\n", 1686 device_xname(sc->atu_dev))); 1687 goto done; 1688 } 1689 1690 h = (struct atu_rx_hdr *)c->atu_buf; 1691 len = UGETW(h->length) - 4; /* XXX magic number */ 1692 1693 m = c->atu_mbuf; 1694 memcpy(mtod(m, char *), c->atu_buf + ATU_RX_HDRLEN, len); 1695 m_set_rcvif(m, ifp); 1696 m->m_pkthdr.len = m->m_len = len; 1697 1698 wh = mtod(m, struct ieee80211_frame_min *); 1699 ni = ieee80211_find_rxnode(ic, wh); 1700 1701 ifp->if_ipackets++; 1702 1703 s = splnet(); 1704 1705 if (atu_newbuf(sc, c, NULL) == ENOBUFS) { 1706 ifp->if_ierrors++; 1707 goto done1; /* XXX if we can't allocate, why restart it? */ 1708 } 1709 1710 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1711 /* 1712 * WEP is decrypted by hardware. Clear WEP bit 1713 * header for ieee80211_input(). 1714 */ 1715 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 1716 } 1717 1718 ieee80211_input(ic, m, ni, h->rssi, UGETDW(h->rx_time)); 1719 1720 ieee80211_free_node(ni); 1721 done1: 1722 splx(s); 1723 done: 1724 /* Setup new transfer. */ 1725 usbd_setup_xfer(c->atu_xfer, c, c->atu_buf, ATU_RX_BUFSZ, 1726 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, atu_rxeof); 1727 usbd_transfer(c->atu_xfer); 1728 } 1729 1730 /* 1731 * A frame was downloaded to the chip. It's safe for us to clean up 1732 * the list buffers. 1733 */ 1734 void 1735 atu_txeof(struct usbd_xfer *xfer, void *priv, 1736 usbd_status status) 1737 { 1738 struct atu_chain *c = (struct atu_chain *)priv; 1739 struct atu_softc *sc = c->atu_sc; 1740 struct ifnet *ifp = &sc->sc_if; 1741 usbd_status err; 1742 int s; 1743 1744 DPRINTFN(25, ("%s: atu_txeof status=%d\n", device_xname(sc->atu_dev), 1745 status)); 1746 1747 if (c->atu_mbuf) { 1748 m_freem(c->atu_mbuf); 1749 c->atu_mbuf = NULL; 1750 } 1751 1752 if (status != USBD_NORMAL_COMPLETION) { 1753 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1754 return; 1755 1756 DPRINTF(("%s: usb error on tx: %s\n", device_xname(sc->atu_dev), 1757 usbd_errstr(status))); 1758 if (status == USBD_STALLED) 1759 usbd_clear_endpoint_stall_async(sc->atu_ep[ATU_ENDPT_TX]); 1760 return; 1761 } 1762 1763 usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, &err); 1764 1765 if (err) 1766 ifp->if_oerrors++; 1767 else 1768 ifp->if_opackets++; 1769 1770 s = splnet(); 1771 SLIST_INSERT_HEAD(&sc->atu_cdata.atu_tx_free, c, atu_list); 1772 sc->atu_cdata.atu_tx_inuse--; 1773 if (sc->atu_cdata.atu_tx_inuse == 0) 1774 ifp->if_timer = 0; 1775 ifp->if_flags &= ~IFF_OACTIVE; 1776 splx(s); 1777 1778 atu_start(ifp); 1779 } 1780 1781 uint8_t 1782 atu_calculate_padding(int size) 1783 { 1784 size %= 64; 1785 1786 if (size < 50) 1787 return 50 - size; 1788 if (size >=61) 1789 return 64 + 50 - size; 1790 return 0; 1791 } 1792 1793 int 1794 atu_tx_start(struct atu_softc *sc, struct ieee80211_node *ni, 1795 struct atu_chain *c, struct mbuf *m) 1796 { 1797 int len; 1798 struct atu_tx_hdr *h; 1799 usbd_status err; 1800 uint8_t pad; 1801 1802 DPRINTFN(25, ("%s: atu_tx_start\n", device_xname(sc->atu_dev))); 1803 1804 /* Don't try to send when we're shutting down the driver */ 1805 if (sc->sc_state != ATU_S_OK) { 1806 m_freem(m); 1807 return(EIO); 1808 } 1809 1810 /* 1811 * Copy the mbuf data into a contiguous buffer, leaving 1812 * enough room for the atmel headers 1813 */ 1814 len = m->m_pkthdr.len; 1815 1816 m_copydata(m, 0, m->m_pkthdr.len, c->atu_buf + ATU_TX_HDRLEN); 1817 1818 h = (struct atu_tx_hdr *)c->atu_buf; 1819 memset(h, 0, ATU_TX_HDRLEN); 1820 USETW(h->length, len); 1821 h->tx_rate = 4; /* XXX rate = auto */ 1822 len += ATU_TX_HDRLEN; 1823 1824 pad = atu_calculate_padding(len); 1825 len += pad; 1826 h->padding = pad; 1827 1828 c->atu_length = len; 1829 c->atu_mbuf = m; 1830 1831 usbd_setup_xfer(c->atu_xfer, c, c->atu_buf, c->atu_length, 0, 1832 ATU_TX_TIMEOUT, atu_txeof); 1833 1834 /* Let's get this thing into the air! */ 1835 c->atu_in_xfer = 1; 1836 err = usbd_transfer(c->atu_xfer); 1837 if (err != USBD_IN_PROGRESS) { 1838 DPRINTFN(25, ("%s: atu_tx_start, err=%d", 1839 device_xname(sc->atu_dev), err)); 1840 c->atu_mbuf = NULL; 1841 m_freem(m); 1842 return(EIO); 1843 } 1844 1845 return 0; 1846 } 1847 1848 void 1849 atu_start(struct ifnet *ifp) 1850 { 1851 struct atu_softc *sc = ifp->if_softc; 1852 struct ieee80211com *ic = &sc->sc_ic; 1853 struct atu_cdata *cd = &sc->atu_cdata; 1854 struct ieee80211_node *ni; 1855 struct atu_chain *c; 1856 struct mbuf *m = NULL; 1857 int s; 1858 1859 DPRINTFN(25, ("%s: atu_start: enter\n", device_xname(sc->atu_dev))); 1860 1861 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1862 return; 1863 } 1864 if (ifp->if_flags & IFF_OACTIVE) { 1865 DPRINTFN(30, ("%s: atu_start: IFF_OACTIVE\n", 1866 device_xname(sc->atu_dev))); 1867 return; 1868 } 1869 1870 for (;;) { 1871 /* grab a TX buffer */ 1872 s = splnet(); 1873 c = SLIST_FIRST(&cd->atu_tx_free); 1874 if (c != NULL) { 1875 SLIST_REMOVE_HEAD(&cd->atu_tx_free, atu_list); 1876 cd->atu_tx_inuse++; 1877 if (cd->atu_tx_inuse == ATU_TX_LIST_CNT) 1878 ifp->if_flags |= IFF_OACTIVE; 1879 } 1880 splx(s); 1881 if (c == NULL) { 1882 DPRINTFN(10, ("%s: out of tx xfers\n", 1883 device_xname(sc->atu_dev))); 1884 ifp->if_flags |= IFF_OACTIVE; 1885 break; 1886 } 1887 1888 /* 1889 * Poll the management queue for frames, it has priority over 1890 * normal data frames. 1891 */ 1892 IF_DEQUEUE(&ic->ic_mgtq, m); 1893 if (m == NULL) { 1894 DPRINTFN(10, ("%s: atu_start: data packet\n", 1895 device_xname(sc->atu_dev))); 1896 if (ic->ic_state != IEEE80211_S_RUN) { 1897 DPRINTFN(25, ("%s: no data till running\n", 1898 device_xname(sc->atu_dev))); 1899 /* put the xfer back on the list */ 1900 s = splnet(); 1901 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1902 atu_list); 1903 cd->atu_tx_inuse--; 1904 splx(s); 1905 break; 1906 } 1907 1908 IFQ_DEQUEUE(&ifp->if_snd, m); 1909 if (m == NULL) { 1910 DPRINTFN(25, ("%s: nothing to send\n", 1911 device_xname(sc->atu_dev))); 1912 s = splnet(); 1913 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1914 atu_list); 1915 cd->atu_tx_inuse--; 1916 splx(s); 1917 break; 1918 } 1919 bpf_mtap(ifp, m); 1920 ni = ieee80211_find_txnode(ic, 1921 mtod(m, struct ether_header *)->ether_dhost); 1922 if (ni == NULL) { 1923 m_freem(m); 1924 goto bad; 1925 } 1926 m = ieee80211_encap(ic, m, ni); 1927 if (m == NULL) 1928 goto bad; 1929 } else { 1930 DPRINTFN(25, ("%s: atu_start: mgmt packet\n", 1931 device_xname(sc->atu_dev))); 1932 1933 /* 1934 * Hack! The referenced node pointer is in the 1935 * rcvif field of the packet header. This is 1936 * placed there by ieee80211_mgmt_output because 1937 * we need to hold the reference with the frame 1938 * and there's no other way (other than packet 1939 * tags which we consider too expensive to use) 1940 * to pass it along. 1941 */ 1942 ni = M_GETCTX(m, struct ieee80211_node *); 1943 M_CLEARCTX(m); 1944 1945 /* sc->sc_stats.ast_tx_mgmt++; */ 1946 } 1947 1948 bpf_mtap3(ic->ic_rawbpf, m); 1949 1950 if (atu_tx_start(sc, ni, c, m)) { 1951 bad: 1952 s = splnet(); 1953 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1954 atu_list); 1955 cd->atu_tx_inuse--; 1956 splx(s); 1957 /* ifp_if_oerrors++; */ 1958 if (ni != NULL) 1959 ieee80211_free_node(ni); 1960 continue; 1961 } 1962 ifp->if_timer = 5; 1963 } 1964 } 1965 1966 int 1967 atu_init(struct ifnet *ifp) 1968 { 1969 struct atu_softc *sc = ifp->if_softc; 1970 struct ieee80211com *ic = &sc->sc_ic; 1971 struct atu_chain *c; 1972 usbd_status err; 1973 int i, s; 1974 1975 s = splnet(); 1976 1977 DPRINTFN(10, ("%s: atu_init\n", device_xname(sc->atu_dev))); 1978 1979 if (ifp->if_flags & IFF_RUNNING) { 1980 splx(s); 1981 return(0); 1982 } 1983 1984 /* Load the multicast filter. */ 1985 /*atu_setmulti(sc); */ 1986 1987 /* Open RX and TX pipes. */ 1988 err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_RX], 1989 USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_RX]); 1990 if (err) { 1991 DPRINTF(("%s: open rx pipe failed: %s\n", 1992 device_xname(sc->atu_dev), usbd_errstr(err))); 1993 splx(s); 1994 return(EIO); 1995 } 1996 1997 err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_TX], 1998 USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_TX]); 1999 if (err) { 2000 DPRINTF(("%s: open tx pipe failed: %s\n", 2001 device_xname(sc->atu_dev), usbd_errstr(err))); 2002 splx(s); 2003 return(EIO); 2004 } 2005 2006 /* Init TX ring */ 2007 if (atu_tx_list_init(sc)) 2008 printf("%s: tx list init failed\n", device_xname(sc->atu_dev)); 2009 2010 /* Init RX ring */ 2011 if (atu_rx_list_init(sc)) 2012 printf("%s: rx list init failed\n", device_xname(sc->atu_dev)); 2013 2014 /* Start up the receive pipe. */ 2015 for (i = 0; i < ATU_RX_LIST_CNT; i++) { 2016 c = &sc->atu_cdata.atu_rx_chain[i]; 2017 2018 usbd_setup_xfer(c->atu_xfer, c, c->atu_buf, ATU_RX_BUFSZ, 2019 USBD_SHORT_XFER_OK, USBD_NO_TIMEOUT, atu_rxeof); 2020 usbd_transfer(c->atu_xfer); 2021 } 2022 2023 DPRINTFN(10, ("%s: starting up using MAC=%s\n", 2024 device_xname(sc->atu_dev), ether_sprintf(ic->ic_myaddr))); 2025 2026 /* Do initial setup */ 2027 err = atu_initial_config(sc); 2028 if (err) { 2029 DPRINTF(("%s: initial config failed!\n", 2030 device_xname(sc->atu_dev))); 2031 splx(s); 2032 return(EIO); 2033 } 2034 DPRINTFN(10, ("%s: initialised transceiver\n", 2035 device_xname(sc->atu_dev))); 2036 2037 /* sc->atu_rxfilt = ATU_RXFILT_UNICAST|ATU_RXFILT_BROADCAST; */ 2038 2039 /* If we want promiscuous mode, set the allframes bit. */ 2040 /* 2041 if (ifp->if_flags & IFF_PROMISC) 2042 sc->atu_rxfilt |= ATU_RXFILT_PROMISC; 2043 */ 2044 2045 ifp->if_flags |= IFF_RUNNING; 2046 ifp->if_flags &= ~IFF_OACTIVE; 2047 splx(s); 2048 2049 /* XXX the following HAS to be replaced */ 2050 s = splnet(); 2051 err = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2052 if (err) { 2053 DPRINTFN(1, ("%s: atu_init: error calling " 2054 "ieee80211_net_state", device_xname(sc->atu_dev))); 2055 } 2056 splx(s); 2057 2058 return 0; 2059 } 2060 2061 #ifdef ATU_DEBUG 2062 void 2063 atu_debug_print(struct atu_softc *sc) 2064 { 2065 usbd_status err; 2066 uint8_t tmp[32]; 2067 2068 /* DEBUG */ 2069 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_BSSID, tmp))) 2070 return; 2071 DPRINTF(("%s: DEBUG: current BSSID=%s\n", device_xname(sc->atu_dev), 2072 ether_sprintf(tmp))); 2073 2074 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__BEACON_PERIOD, tmp))) 2075 return; 2076 DPRINTF(("%s: DEBUG: beacon period=%d\n", device_xname(sc->atu_dev), 2077 tmp[0])); 2078 2079 if ((err = atu_get_mib(sc, MIB_MAC_WEP__PRIVACY_INVOKED, tmp))) 2080 return; 2081 DPRINTF(("%s: DEBUG: privacy invoked=%d\n", device_xname(sc->atu_dev), 2082 tmp[0])); 2083 2084 if ((err = atu_get_mib(sc, MIB_MAC_WEP__ENCR_LEVEL, tmp))) 2085 return; 2086 DPRINTF(("%s: DEBUG: encr_level=%d\n", device_xname(sc->atu_dev), 2087 tmp[0])); 2088 2089 if ((err = atu_get_mib(sc, MIB_MAC_WEP__ICV_ERROR_COUNT, tmp))) 2090 return; 2091 DPRINTF(("%s: DEBUG: icv error count=%d\n", device_xname(sc->atu_dev), 2092 *(short *)tmp)); 2093 2094 if ((err = atu_get_mib(sc, MIB_MAC_WEP__EXCLUDED_COUNT, tmp))) 2095 return; 2096 DPRINTF(("%s: DEBUG: wep excluded count=%d\n", 2097 device_xname(sc->atu_dev), *(short *)tmp)); 2098 2099 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__POWER_MODE, tmp))) 2100 return; 2101 DPRINTF(("%s: DEBUG: power mode=%d\n", device_xname(sc->atu_dev), 2102 tmp[0])); 2103 2104 if ((err = atu_get_mib(sc, MIB_PHY__CHANNEL, tmp))) 2105 return; 2106 DPRINTF(("%s: DEBUG: channel=%d\n", device_xname(sc->atu_dev), tmp[0])); 2107 2108 if ((err = atu_get_mib(sc, MIB_PHY__REG_DOMAIN, tmp))) 2109 return; 2110 DPRINTF(("%s: DEBUG: reg domain=%d\n", device_xname(sc->atu_dev), 2111 tmp[0])); 2112 2113 if ((err = atu_get_mib(sc, MIB_LOCAL__SSID_SIZE, tmp))) 2114 return; 2115 DPRINTF(("%s: DEBUG: ssid size=%d\n", device_xname(sc->atu_dev), 2116 tmp[0])); 2117 2118 if ((err = atu_get_mib(sc, MIB_LOCAL__BEACON_ENABLE, tmp))) 2119 return; 2120 DPRINTF(("%s: DEBUG: beacon enable=%d\n", device_xname(sc->atu_dev), 2121 tmp[0])); 2122 2123 if ((err = atu_get_mib(sc, MIB_LOCAL__AUTO_RATE_FALLBACK, tmp))) 2124 return; 2125 DPRINTF(("%s: DEBUG: auto rate fallback=%d\n", 2126 device_xname(sc->atu_dev), tmp[0])); 2127 2128 if ((err = atu_get_mib(sc, MIB_MAC_ADDR__ADDR, tmp))) 2129 return; 2130 DPRINTF(("%s: DEBUG: mac addr=%s\n", device_xname(sc->atu_dev), 2131 ether_sprintf(tmp))); 2132 2133 if ((err = atu_get_mib(sc, MIB_MAC__DESIRED_SSID, tmp))) 2134 return; 2135 DPRINTF(("%s: DEBUG: desired ssid=%s\n", device_xname(sc->atu_dev), 2136 tmp)); 2137 2138 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_ESSID, tmp))) 2139 return; 2140 DPRINTF(("%s: DEBUG: current ESSID=%s\n", device_xname(sc->atu_dev), 2141 tmp)); 2142 } 2143 #endif /* ATU_DEBUG */ 2144 2145 int 2146 atu_ioctl(struct ifnet *ifp, u_long command, void *data) 2147 { 2148 struct atu_softc *sc = ifp->if_softc; 2149 struct ifreq *ifr = (struct ifreq *)data; 2150 struct ieee80211com *ic = &sc->sc_ic; 2151 int err = 0, s; 2152 2153 s = splnet(); 2154 switch (command) { 2155 case SIOCSIFMEDIA: 2156 case SIOCGIFMEDIA: 2157 err = ifmedia_ioctl(ifp, ifr, &ic->ic_media, command); 2158 break; 2159 2160 default: 2161 DPRINTFN(15, ("%s: ieee80211_ioctl (%lu)\n", 2162 device_xname(sc->atu_dev), command)); 2163 err = ieee80211_ioctl(ic, command, data); 2164 break; 2165 } 2166 2167 if (err == ENETRESET) { 2168 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) == 2169 (IFF_RUNNING|IFF_UP)) { 2170 DPRINTF(("%s: atu_ioctl(): netreset %lu\n", 2171 device_xname(sc->atu_dev), command)); 2172 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2173 atu_initial_config(sc); 2174 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2175 } 2176 err = 0; 2177 } 2178 2179 splx(s); 2180 return err; 2181 } 2182 2183 void 2184 atu_watchdog(struct ifnet *ifp) 2185 { 2186 struct atu_softc *sc = ifp->if_softc; 2187 struct atu_chain *c; 2188 usbd_status stat; 2189 int cnt, s; 2190 2191 DPRINTF(("%s: atu_watchdog\n", device_xname(sc->atu_dev))); 2192 2193 ifp->if_timer = 0; 2194 2195 if (sc->sc_state != ATU_S_OK || (ifp->if_flags & IFF_RUNNING) == 0) 2196 return; 2197 2198 sc = ifp->if_softc; 2199 s = splnet(); 2200 ifp->if_oerrors++; 2201 DPRINTF(("%s: watchdog timeout\n", device_xname(sc->atu_dev))); 2202 2203 /* 2204 * TODO: 2205 * we should change this since we have multiple TX tranfers... 2206 */ 2207 for (cnt = 0; cnt < ATU_TX_LIST_CNT; cnt++) { 2208 c = &sc->atu_cdata.atu_tx_chain[cnt]; 2209 if (c->atu_in_xfer) { 2210 usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, 2211 &stat); 2212 atu_txeof(c->atu_xfer, c, stat); 2213 } 2214 } 2215 2216 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 2217 atu_start(ifp); 2218 splx(s); 2219 2220 ieee80211_watchdog(&sc->sc_ic); 2221 } 2222 2223 /* 2224 * Stop the adapter and free any mbufs allocated to the 2225 * RX and TX lists. 2226 */ 2227 void 2228 atu_stop(struct ifnet *ifp, int disable) 2229 { 2230 struct atu_softc *sc = ifp->if_softc; 2231 struct ieee80211com *ic = &sc->sc_ic; 2232 struct atu_cdata *cd; 2233 usbd_status err; 2234 int s; 2235 2236 s = splnet(); 2237 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2238 ifp->if_timer = 0; 2239 2240 usb_rem_task(sc->atu_udev, &sc->sc_task); 2241 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2242 2243 /* Stop transfers. */ 2244 if (sc->atu_ep[ATU_ENDPT_RX] != NULL) { 2245 err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_RX]); 2246 if (err) { 2247 DPRINTF(("%s: abort rx pipe failed: %s\n", 2248 device_xname(sc->atu_dev), usbd_errstr(err))); 2249 } 2250 } 2251 2252 if (sc->atu_ep[ATU_ENDPT_TX] != NULL) { 2253 err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_TX]); 2254 if (err) { 2255 DPRINTF(("%s: abort tx pipe failed: %s\n", 2256 device_xname(sc->atu_dev), usbd_errstr(err))); 2257 } 2258 } 2259 2260 /* Free RX/TX/MGMT list resources. */ 2261 cd = &sc->atu_cdata; 2262 atu_xfer_list_free(sc, cd->atu_rx_chain, ATU_RX_LIST_CNT); 2263 atu_xfer_list_free(sc, cd->atu_tx_chain, ATU_TX_LIST_CNT); 2264 2265 /* Close pipes */ 2266 if (sc->atu_ep[ATU_ENDPT_RX] != NULL) { 2267 err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_RX]); 2268 if (err) { 2269 DPRINTF(("%s: close rx pipe failed: %s\n", 2270 device_xname(sc->atu_dev), usbd_errstr(err))); 2271 } 2272 sc->atu_ep[ATU_ENDPT_RX] = NULL; 2273 } 2274 2275 if (sc->atu_ep[ATU_ENDPT_TX] != NULL) { 2276 err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_TX]); 2277 if (err) { 2278 DPRINTF(("%s: close tx pipe failed: %s\n", 2279 device_xname(sc->atu_dev), usbd_errstr(err))); 2280 } 2281 sc->atu_ep[ATU_ENDPT_TX] = NULL; 2282 } 2283 2284 /* Let's be nice and turn off the radio before we leave */ 2285 atu_switch_radio(sc, 0); 2286 2287 splx(s); 2288 } 2289
Indexes created Fri Sep 26 20:09:58 GMT 2025