if_atu.c revision 1.43.6.1
1 /* $NetBSD: if_atu.c,v 1.43.6.1 2012/11/20 03:02:33 tls 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 1.43.6.1 2012/11/20 03:02:33 tls Exp $"); 52 53 54 #include <sys/param.h> 55 #include <sys/sockio.h> 56 #include <sys/mbuf.h> 57 #include <sys/kernel.h> 58 #include <sys/socket.h> 59 #include <sys/systm.h> 60 #include <sys/malloc.h> 61 #include <sys/kthread.h> 62 #include <sys/queue.h> 63 #include <sys/device.h> 64 65 #include <sys/bus.h> 66 67 #include <dev/usb/usb.h> 68 #include <dev/usb/usbdi.h> 69 #include <dev/usb/usbdi_util.h> 70 #include <dev/usb/usbdivar.h> 71 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/bpfdesc.h> 81 82 #include <net/if.h> 83 #include <net/if_dl.h> 84 #include <net/if_media.h> 85 #include <net/if_ether.h> 86 87 #ifdef INET 88 #include <netinet/in.h> 89 #include <netinet/if_ether.h> 90 #endif 91 92 #include <net80211/ieee80211_var.h> 93 #include <net80211/ieee80211_radiotap.h> 94 95 #ifdef USB_DEBUG 96 #define ATU_DEBUG 97 #endif 98 99 #include <dev/usb/if_atureg.h> 100 101 #ifdef ATU_DEBUG 102 #define DPRINTF(x) do { if (atudebug) printf x; } while (0) 103 #define DPRINTFN(n,x) do { if (atudebug>(n)) printf x; } while (0) 104 int atudebug = 1; 105 #else 106 #define DPRINTF(x) 107 #define DPRINTFN(n,x) 108 #endif 109 110 /* 111 * Various supported device vendors/products/radio type. 112 */ 113 struct atu_type atu_devs[] = { 114 { USB_VENDOR_3COM, USB_PRODUCT_3COM_3CRSHEW696, 115 RadioRFMD, ATU_NO_QUIRK }, 116 { USB_VENDOR_ABOCOM, USB_PRODUCT_ABOCOM_BWU613, 117 RadioRFMD, ATU_NO_QUIRK }, 118 { USB_VENDOR_ACCTON, USB_PRODUCT_ACCTON_2664W, 119 AT76C503_rfmd_acc, ATU_NO_QUIRK }, 120 { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_AWL300, 121 RadioIntersil, ATU_NO_QUIRK }, 122 { USB_VENDOR_ACERP, USB_PRODUCT_ACERP_AWL400, 123 RadioRFMD, ATU_NO_QUIRK }, 124 { USB_VENDOR_ACTIONTEC, USB_PRODUCT_ACTIONTEC_UAT1, 125 RadioRFMD, ATU_NO_QUIRK }, 126 { USB_VENDOR_ADDTRON, USB_PRODUCT_ADDTRON_AWU120, 127 RadioIntersil, ATU_NO_QUIRK }, 128 { USB_VENDOR_AINCOMM, USB_PRODUCT_AINCOMM_AWU2000B, 129 RadioRFMD2958, ATU_NO_QUIRK }, 130 { USB_VENDOR_ASKEY, USB_PRODUCT_ASKEY_VOYAGER1010, 131 RadioIntersil, ATU_NO_QUIRK }, 132 { USB_VENDOR_ASKEY, USB_PRODUCT_ASKEY_WLL013I, 133 RadioIntersil, ATU_NO_QUIRK }, 134 { USB_VENDOR_ASKEY, USB_PRODUCT_ASKEY_WLL013, 135 RadioRFMD, ATU_NO_QUIRK }, 136 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C503I1, 137 RadioIntersil, ATU_NO_QUIRK }, 138 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C503I2, 139 AT76C503_i3863, ATU_NO_QUIRK }, 140 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C503RFMD, 141 RadioRFMD, ATU_NO_QUIRK }, 142 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505RFMD, 143 AT76C505_rfmd, ATU_NO_QUIRK }, 144 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505RFMD2958, 145 RadioRFMD2958, ATU_NO_QUIRK }, 146 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505A, /* SMC2662 V.4 */ 147 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 148 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_AT76C505AS, /* quirk? */ 149 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 150 { USB_VENDOR_ATMEL, USB_PRODUCT_ATMEL_WN210, 151 RadioRFMD, ATU_NO_QUIRK }, 152 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5D6050, 153 RadioRFMD, ATU_NO_QUIRK }, 154 { USB_VENDOR_CONCEPTRONIC, USB_PRODUCT_CONCEPTRONIC_C11U, 155 RadioIntersil, ATU_NO_QUIRK }, 156 { USB_VENDOR_CONCEPTRONIC, USB_PRODUCT_CONCEPTRONIC_WL210, 157 RadioIntersil, ATU_NO_QUIRK }, 158 { USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQWLAN, 159 RadioRFMD, ATU_NO_QUIRK }, 160 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_WLUSB_11_STICK, 161 RadioRFMD2958, ATU_NO_QUIRK }, 162 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_CHUSB611G, 163 RadioRFMD2958, ATU_NO_QUIRK }, 164 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_WL200U, 165 RadioRFMD, ATU_NO_QUIRK }, 166 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_WL240U, 167 RadioRFMD2958, ATU_NO_QUIRK }, 168 { USB_VENDOR_DICKSMITH, USB_PRODUCT_DICKSMITH_XH1153, 169 RadioRFMD, ATU_NO_QUIRK }, 170 { USB_VENDOR_DLINK, USB_PRODUCT_DLINK_DWL120E, 171 RadioRFMD, ATU_NO_QUIRK }, 172 { USB_VENDOR_GIGABYTE, USB_PRODUCT_GIGABYTE_GNWLBM101, 173 RadioRFMD, ATU_NO_QUIRK }, 174 { USB_VENDOR_GIGASET, USB_PRODUCT_GIGASET_WLAN, /* quirk? */ 175 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 176 { USB_VENDOR_HP, USB_PRODUCT_HP_HN210W, 177 RadioIntersil, ATU_NO_QUIRK }, 178 { USB_VENDOR_INTEL, USB_PRODUCT_INTEL_AP310, 179 RadioIntersil, ATU_NO_QUIRK }, 180 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBWNB11A, 181 RadioIntersil, ATU_NO_QUIRK }, 182 { USB_VENDOR_LEXAR, USB_PRODUCT_LEXAR_2662WAR, 183 RadioRFMD, ATU_NO_QUIRK }, 184 { USB_VENDOR_LINKSYS, USB_PRODUCT_LINKSYS_WUSB11, 185 RadioIntersil, ATU_NO_QUIRK }, 186 { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_WUSB11, 187 RadioRFMD, ATU_NO_QUIRK }, 188 { USB_VENDOR_LINKSYS2, USB_PRODUCT_LINKSYS2_NWU11B, 189 RadioRFMD, ATU_NO_QUIRK }, 190 { USB_VENDOR_LINKSYS3, USB_PRODUCT_LINKSYS3_WUSB11V28, 191 RadioRFMD2958, ATU_NO_QUIRK }, 192 { USB_VENDOR_MSI, USB_PRODUCT_MSI_WLAN, 193 RadioRFMD2958, ATU_NO_QUIRK }, 194 { USB_VENDOR_NETGEAR2, USB_PRODUCT_NETGEAR2_MA101, 195 RadioIntersil, ATU_NO_QUIRK }, 196 { USB_VENDOR_NETGEAR2, USB_PRODUCT_NETGEAR2_MA101B, 197 RadioRFMD, ATU_NO_QUIRK }, 198 { USB_VENDOR_OQO, USB_PRODUCT_OQO_WIFI01, 199 RadioRFMD2958_SMC, ATU_QUIRK_NO_REMAP | ATU_QUIRK_FW_DELAY }, 200 { USB_VENDOR_PLANEX2, USB_PRODUCT_PLANEX2_GW_US11S, 201 RadioRFMD, ATU_NO_QUIRK }, 202 { USB_VENDOR_SAMSUNG, USB_PRODUCT_SAMSUNG_SWL2100W, 203 AT76C503_i3863, ATU_NO_QUIRK }, 204 { USB_VENDOR_SIEMENS2, USB_PRODUCT_SIEMENS2_WLL013, 205 RadioRFMD, ATU_NO_QUIRK }, 206 { USB_VENDOR_SMC3, USB_PRODUCT_SMC3_2662WV1, 207 RadioIntersil, ATU_NO_QUIRK }, 208 { USB_VENDOR_SMC3, USB_PRODUCT_SMC3_2662WV2, 209 AT76C503_rfmd_acc, ATU_NO_QUIRK }, 210 { USB_VENDOR_TEKRAM, USB_PRODUCT_TEKRAM_U300C, 211 RadioIntersil, ATU_NO_QUIRK }, 212 { USB_VENDOR_ZCOM, USB_PRODUCT_ZCOM_M4Y750, 213 RadioIntersil, ATU_NO_QUIRK }, 214 }; 215 216 struct atu_radfirm { 217 enum atu_radio_type atur_type; 218 unsigned char *atur_internal; 219 size_t atur_internal_sz; 220 unsigned char *atur_external; 221 size_t atur_external_sz; 222 } atu_radfirm[] = { 223 { RadioRFMD, 224 atmel_fw_rfmd_int, sizeof(atmel_fw_rfmd_int), 225 atmel_fw_rfmd_ext, sizeof(atmel_fw_rfmd_ext) }, 226 { RadioRFMD2958, 227 atmel_fw_rfmd2958_int, sizeof(atmel_fw_rfmd2958_int), 228 atmel_fw_rfmd2958_ext, sizeof(atmel_fw_rfmd2958_ext) }, 229 { RadioRFMD2958_SMC, 230 atmel_fw_rfmd2958_smc_int, sizeof(atmel_fw_rfmd2958_smc_int), 231 atmel_fw_rfmd2958_smc_ext, sizeof(atmel_fw_rfmd2958_smc_ext) }, 232 { RadioIntersil, 233 atmel_fw_intersil_int, sizeof(atmel_fw_intersil_int), 234 atmel_fw_intersil_ext, sizeof(atmel_fw_intersil_ext) } 235 }; 236 237 int atu_newbuf(struct atu_softc *, struct atu_chain *, struct mbuf *); 238 void atu_rxeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 239 void atu_txeof(usbd_xfer_handle, usbd_private_handle, usbd_status); 240 void atu_start(struct ifnet *); 241 int atu_ioctl(struct ifnet *, u_long, void *); 242 int atu_init(struct ifnet *); 243 void atu_stop(struct ifnet *, int); 244 void atu_watchdog(struct ifnet *); 245 usbd_status atu_usb_request(struct atu_softc *sc, u_int8_t type, 246 u_int8_t request, u_int16_t value, u_int16_t index, 247 u_int16_t length, u_int8_t *data); 248 int atu_send_command(struct atu_softc *sc, u_int8_t *command, int size); 249 int atu_get_cmd_status(struct atu_softc *sc, u_int8_t cmd, 250 u_int8_t *status); 251 int atu_wait_completion(struct atu_softc *sc, u_int8_t cmd, 252 u_int8_t *status); 253 int atu_send_mib(struct atu_softc *sc, u_int8_t type, 254 u_int8_t size, u_int8_t index, void *data); 255 int atu_get_mib(struct atu_softc *sc, u_int8_t type, 256 u_int8_t size, u_int8_t index, u_int8_t *buf); 257 #if 0 258 int atu_start_ibss(struct atu_softc *sc); 259 #endif 260 int atu_start_scan(struct atu_softc *sc); 261 int atu_switch_radio(struct atu_softc *sc, int state); 262 int atu_initial_config(struct atu_softc *sc); 263 int atu_join(struct atu_softc *sc, struct ieee80211_node *node); 264 int8_t atu_get_dfu_state(struct atu_softc *sc); 265 u_int8_t atu_get_opmode(struct atu_softc *sc, u_int8_t *mode); 266 void atu_internal_firmware(device_t); 267 void atu_external_firmware(device_t); 268 int atu_get_card_config(struct atu_softc *sc); 269 int atu_media_change(struct ifnet *ifp); 270 void atu_media_status(struct ifnet *ifp, struct ifmediareq *req); 271 int atu_tx_list_init(struct atu_softc *); 272 int atu_rx_list_init(struct atu_softc *); 273 void atu_xfer_list_free(struct atu_softc *sc, struct atu_chain *ch, 274 int listlen); 275 276 #ifdef ATU_DEBUG 277 void atu_debug_print(struct atu_softc *sc); 278 #endif 279 280 void atu_task(void *); 281 int atu_newstate(struct ieee80211com *, enum ieee80211_state, int); 282 int atu_tx_start(struct atu_softc *, struct ieee80211_node *, 283 struct atu_chain *, struct mbuf *); 284 void atu_complete_attach(struct atu_softc *); 285 u_int8_t atu_calculate_padding(int); 286 287 int atu_match(device_t, cfdata_t, void *); 288 void atu_attach(device_t, device_t, void *); 289 int atu_detach(device_t, int); 290 int atu_activate(device_t, enum devact); 291 extern struct cfdriver atu_cd; 292 CFATTACH_DECL_NEW(atu, sizeof(struct atu_softc), atu_match, atu_attach, 293 atu_detach, atu_activate); 294 295 usbd_status 296 atu_usb_request(struct atu_softc *sc, u_int8_t type, 297 u_int8_t request, u_int16_t value, u_int16_t index, u_int16_t length, 298 u_int8_t *data) 299 { 300 usb_device_request_t req; 301 usbd_xfer_handle xfer; 302 usbd_status err; 303 int total_len = 0, s; 304 305 req.bmRequestType = type; 306 req.bRequest = request; 307 USETW(req.wValue, value); 308 USETW(req.wIndex, index); 309 USETW(req.wLength, length); 310 311 #ifdef ATU_DEBUG 312 if (atudebug) { 313 DPRINTFN(20, ("%s: req=%02x val=%02x ind=%02x " 314 "len=%02x\n", device_xname(sc->atu_dev), request, 315 value, index, length)); 316 } 317 #endif /* ATU_DEBUG */ 318 319 s = splnet(); 320 321 xfer = usbd_alloc_xfer(sc->atu_udev); 322 usbd_setup_default_xfer(xfer, sc->atu_udev, 0, 500000, &req, data, 323 length, USBD_SHORT_XFER_OK, 0); 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_free_xfer(xfer); 343 344 splx(s); 345 return(err); 346 } 347 348 int 349 atu_send_command(struct atu_softc *sc, u_int8_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, u_int8_t cmd, u_int8_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, u_int8_t cmd, u_int8_t *status) 373 { 374 int idle_count = 0, err; 375 u_int8_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, u_int8_t type, u_int8_t size, 415 u_int8_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, u_int8_t type, u_int8_t size, 466 u_int8_t index, u_int8_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 = (u_int8_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, (u_int8_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 it's 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 = (u_int8_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, (u_int8_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, (u_int8_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 u_int32_t i; 633 usbd_status err; 634 /* u_int8_t rates[4] = {0x82, 0x84, 0x8B, 0x96};*/ 635 u_int8_t rates[4] = {0x82, 0x04, 0x0B, 0x16}; 636 struct atu_cmd_card_config cmd; 637 u_int8_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 = (u_int8_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, (u_int8_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 u_int8_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, (u_int8_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 u_int8_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 u_int8_t 853 atu_get_opmode(struct atu_softc *sc, u_int8_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 it's 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 (u_int8_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 (u_int8_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->vendor == t->atu_vid && 1103 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 usbd_device_handle dev = uaa->device; 1245 u_int8_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, "setting config no failed\n"); 1261 return; 1262 } 1263 1264 err = usbd_device2interface_handle(dev, ATU_IFACE_IDX, &sc->atu_iface); 1265 if (err) { 1266 aprint_error_dev(self, "getting interface handle failed\n"); 1267 return; 1268 } 1269 1270 sc->atu_unit = device_unit(self); 1271 sc->atu_udev = dev; 1272 1273 /* 1274 * look up the radio_type for the device 1275 * basically does the same as atu_match 1276 */ 1277 for (i = 0; i < __arraycount(atu_devs); i++) { 1278 struct atu_type *t = &atu_devs[i]; 1279 1280 if (uaa->vendor == t->atu_vid && 1281 uaa->product == t->atu_pid) { 1282 sc->atu_radio = t->atu_radio; 1283 sc->atu_quirk = t->atu_quirk; 1284 } 1285 } 1286 1287 /* 1288 * Check in the interface descriptor if we're in DFU mode 1289 * If we're in DFU mode, we upload the external firmware 1290 * If we're not, the PC must have rebooted without power-cycling 1291 * the device.. I've tried this out, a reboot only requeres the 1292 * external firmware to be reloaded :) 1293 * 1294 * Hmm. The at76c505a doesn't report a DFU descriptor when it's 1295 * in DFU mode... Let's just try to get the opmode 1296 */ 1297 err = atu_get_opmode(sc, &mode); 1298 DPRINTFN(20, ("%s: opmode: %d\n", device_xname(sc->atu_dev), mode)); 1299 if (err || (mode != MODE_NETCARD && mode != MODE_NOFLASHNETCARD)) { 1300 DPRINTF(("%s: starting internal firmware download\n", 1301 device_xname(sc->atu_dev))); 1302 1303 atu_internal_firmware(sc->atu_dev); 1304 /* 1305 * atu_internal_firmware will cause a reset of the device 1306 * so we don't want to do any more configuration after this 1307 * point. 1308 */ 1309 return; 1310 } 1311 1312 if (mode != MODE_NETCARD) { 1313 DPRINTFN(15, ("%s: device needs external firmware\n", 1314 device_xname(sc->atu_dev))); 1315 1316 if (mode != MODE_NOFLASHNETCARD) { 1317 DPRINTF(("%s: unexpected opmode=%d\n", 1318 device_xname(sc->atu_dev), mode)); 1319 } 1320 1321 /* 1322 * There is no difference in opmode before and after external 1323 * firmware upload with the SMC2662 V.4 . So instead we'll try 1324 * to read the channel number. If we succeed, external 1325 * firmwaremust have been already uploaded... 1326 */ 1327 if (sc->atu_radio != RadioIntersil) { 1328 err = atu_get_mib(sc, MIB_PHY__CHANNEL, &channel); 1329 if (!err) { 1330 DPRINTF(("%s: external firmware has already" 1331 " been downloaded\n", 1332 device_xname(sc->atu_dev))); 1333 atu_complete_attach(sc); 1334 return; 1335 } 1336 } 1337 1338 atu_external_firmware(sc->atu_dev); 1339 1340 /* 1341 * atu_external_firmware will call atu_complete_attach after 1342 * it's finished so we can just return. 1343 */ 1344 } else { 1345 /* all the firmwares are in place, so complete the attach */ 1346 atu_complete_attach(sc); 1347 } 1348 1349 return; 1350 } 1351 1352 void 1353 atu_complete_attach(struct atu_softc *sc) 1354 { 1355 struct ieee80211com *ic = &sc->sc_ic; 1356 struct ifnet *ifp = &sc->sc_if; 1357 usb_interface_descriptor_t *id; 1358 usb_endpoint_descriptor_t *ed; 1359 usbd_status err; 1360 int i; 1361 #ifdef ATU_DEBUG 1362 struct atu_fw fw; 1363 #endif 1364 1365 id = usbd_get_interface_descriptor(sc->atu_iface); 1366 1367 /* Find endpoints. */ 1368 for (i = 0; i < id->bNumEndpoints; i++) { 1369 ed = usbd_interface2endpoint_descriptor(sc->atu_iface, i); 1370 if (!ed) { 1371 DPRINTF(("%s: num_endp:%d\n", device_xname(sc->atu_dev), 1372 sc->atu_iface->idesc->bNumEndpoints)); 1373 DPRINTF(("%s: couldn't get ep %d\n", 1374 device_xname(sc->atu_dev), i)); 1375 return; 1376 } 1377 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 1378 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 1379 sc->atu_ed[ATU_ENDPT_RX] = ed->bEndpointAddress; 1380 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 1381 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 1382 sc->atu_ed[ATU_ENDPT_TX] = ed->bEndpointAddress; 1383 } 1384 } 1385 1386 /* read device config & get MAC address */ 1387 err = atu_get_card_config(sc); 1388 if (err) { 1389 aprint_error("\n%s: could not get card cfg!\n", 1390 device_xname(sc->atu_dev)); 1391 return; 1392 } 1393 1394 #ifdef ATU_DEBUG 1395 /* DEBUG : try to get firmware version */ 1396 err = atu_get_mib(sc, MIB_FW_VERSION, sizeof(fw), 0, (u_int8_t *)&fw); 1397 if (!err) { 1398 DPRINTFN(15, ("%s: firmware: maj:%d min:%d patch:%d " 1399 "build:%d\n", device_xname(sc->atu_dev), fw.major, fw.minor, 1400 fw.patch, fw.build)); 1401 } else { 1402 DPRINTF(("%s: get firmware version failed\n", 1403 device_xname(sc->atu_dev))); 1404 } 1405 #endif /* ATU_DEBUG */ 1406 1407 /* Show the world our MAC address */ 1408 aprint_normal_dev(sc->atu_dev, "MAC address %s\n", 1409 ether_sprintf(ic->ic_myaddr)); 1410 1411 sc->atu_cdata.atu_tx_inuse = 0; 1412 sc->atu_encrypt = ATU_WEP_OFF; 1413 sc->atu_wepkeylen = ATU_WEP_104BITS; 1414 sc->atu_wepkey = 0; 1415 1416 memset(sc->atu_bssid, 0, ETHER_ADDR_LEN); 1417 sc->atu_channel = ATU_DEFAULT_CHANNEL; 1418 sc->atu_desired_channel = IEEE80211_CHAN_ANY; 1419 sc->atu_mode = INFRASTRUCTURE_MODE; 1420 1421 ic->ic_ifp = ifp; 1422 ic->ic_phytype = IEEE80211_T_DS; 1423 ic->ic_opmode = IEEE80211_M_STA; 1424 ic->ic_state = IEEE80211_S_INIT; 1425 #ifdef FIXME 1426 ic->ic_caps = IEEE80211_C_IBSS | IEEE80211_C_WEP | IEEE80211_C_SCANALL; 1427 #else 1428 ic->ic_caps = IEEE80211_C_IBSS | IEEE80211_C_WEP; 1429 #endif 1430 1431 i = 0; 1432 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 2; 1433 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 4; 1434 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 11; 1435 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_rates[i++] = 22; 1436 ic->ic_sup_rates[IEEE80211_MODE_11B].rs_nrates = i; 1437 1438 for (i = 1; i <= 14; i++) { 1439 ic->ic_channels[i].ic_flags = IEEE80211_CHAN_B | 1440 IEEE80211_CHAN_PASSIVE; 1441 ic->ic_channels[i].ic_freq = ieee80211_ieee2mhz(i, 1442 ic->ic_channels[i].ic_flags); 1443 } 1444 1445 ic->ic_ibss_chan = &ic->ic_channels[0]; 1446 1447 ifp->if_softc = sc; 1448 memcpy(ifp->if_xname, device_xname(sc->atu_dev), IFNAMSIZ); 1449 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 1450 ifp->if_init = atu_init; 1451 ifp->if_stop = atu_stop; 1452 ifp->if_start = atu_start; 1453 ifp->if_ioctl = atu_ioctl; 1454 ifp->if_watchdog = atu_watchdog; 1455 ifp->if_mtu = ATU_DEFAULT_MTU; 1456 IFQ_SET_READY(&ifp->if_snd); 1457 1458 /* Call MI attach routine. */ 1459 if_attach(ifp); 1460 ieee80211_ifattach(ic); 1461 1462 sc->sc_newstate = ic->ic_newstate; 1463 ic->ic_newstate = atu_newstate; 1464 1465 /* setup ifmedia interface */ 1466 ieee80211_media_init(ic, atu_media_change, atu_media_status); 1467 1468 usb_init_task(&sc->sc_task, atu_task, sc); 1469 1470 sc->sc_state = ATU_S_OK; 1471 } 1472 1473 int 1474 atu_detach(device_t self, int flags) 1475 { 1476 struct atu_softc *sc = device_private(self); 1477 struct ifnet *ifp = &sc->sc_if; 1478 1479 DPRINTFN(10, ("%s: atu_detach state=%d\n", device_xname(sc->atu_dev), 1480 sc->sc_state)); 1481 1482 if (sc->sc_state != ATU_S_UNCONFIG) { 1483 atu_stop(ifp, 1); 1484 1485 ieee80211_ifdetach(&sc->sc_ic); 1486 if_detach(ifp); 1487 } 1488 1489 return(0); 1490 } 1491 1492 int 1493 atu_activate(device_t self, enum devact act) 1494 { 1495 struct atu_softc *sc = device_private(self); 1496 1497 switch (act) { 1498 case DVACT_DEACTIVATE: 1499 if (sc->sc_state != ATU_S_UNCONFIG) { 1500 if_deactivate(&sc->atu_ec.ec_if); 1501 sc->sc_state = ATU_S_DEAD; 1502 } 1503 return 0; 1504 default: 1505 return EOPNOTSUPP; 1506 } 1507 } 1508 1509 /* 1510 * Initialize an RX descriptor and attach an MBUF cluster. 1511 */ 1512 int 1513 atu_newbuf(struct atu_softc *sc, struct atu_chain *c, struct mbuf *m) 1514 { 1515 struct mbuf *m_new = NULL; 1516 1517 if (m == NULL) { 1518 MGETHDR(m_new, M_DONTWAIT, MT_DATA); 1519 if (m_new == NULL) { 1520 DPRINTF(("%s: no memory for rx list\n", 1521 device_xname(sc->atu_dev))); 1522 return(ENOBUFS); 1523 } 1524 1525 MCLGET(m_new, M_DONTWAIT); 1526 if (!(m_new->m_flags & M_EXT)) { 1527 DPRINTF(("%s: no memory for rx list\n", 1528 device_xname(sc->atu_dev))); 1529 m_freem(m_new); 1530 return(ENOBUFS); 1531 } 1532 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 1533 } else { 1534 m_new = m; 1535 m_new->m_len = m_new->m_pkthdr.len = MCLBYTES; 1536 m_new->m_data = m_new->m_ext.ext_buf; 1537 } 1538 c->atu_mbuf = m_new; 1539 return(0); 1540 } 1541 1542 int 1543 atu_rx_list_init(struct atu_softc *sc) 1544 { 1545 struct atu_cdata *cd = &sc->atu_cdata; 1546 struct atu_chain *c; 1547 int i; 1548 1549 DPRINTFN(15, ("%s: atu_rx_list_init: enter\n", 1550 device_xname(sc->atu_dev))); 1551 1552 for (i = 0; i < ATU_RX_LIST_CNT; i++) { 1553 c = &cd->atu_rx_chain[i]; 1554 c->atu_sc = sc; 1555 c->atu_idx = i; 1556 if (c->atu_xfer == NULL) { 1557 c->atu_xfer = usbd_alloc_xfer(sc->atu_udev); 1558 if (c->atu_xfer == NULL) 1559 return (ENOBUFS); 1560 c->atu_buf = usbd_alloc_buffer(c->atu_xfer, 1561 ATU_RX_BUFSZ); 1562 if (c->atu_buf == NULL) /* XXX free xfer */ 1563 return (ENOBUFS); 1564 if (atu_newbuf(sc, c, NULL) == ENOBUFS) /* XXX free? */ 1565 return(ENOBUFS); 1566 } 1567 } 1568 return (0); 1569 } 1570 1571 int 1572 atu_tx_list_init(struct atu_softc *sc) 1573 { 1574 struct atu_cdata *cd = &sc->atu_cdata; 1575 struct atu_chain *c; 1576 int i; 1577 1578 DPRINTFN(15, ("%s: atu_tx_list_init\n", 1579 device_xname(sc->atu_dev))); 1580 1581 SLIST_INIT(&cd->atu_tx_free); 1582 sc->atu_cdata.atu_tx_inuse = 0; 1583 1584 for (i = 0; i < ATU_TX_LIST_CNT; i++) { 1585 c = &cd->atu_tx_chain[i]; 1586 c->atu_sc = sc; 1587 c->atu_idx = i; 1588 if (c->atu_xfer == NULL) { 1589 c->atu_xfer = usbd_alloc_xfer(sc->atu_udev); 1590 if (c->atu_xfer == NULL) 1591 return(ENOBUFS); 1592 c->atu_mbuf = NULL; 1593 c->atu_buf = usbd_alloc_buffer(c->atu_xfer, 1594 ATU_TX_BUFSZ); 1595 if (c->atu_buf == NULL) 1596 return(ENOBUFS); /* XXX free xfer */ 1597 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, atu_list); 1598 } 1599 } 1600 return(0); 1601 } 1602 1603 void 1604 atu_xfer_list_free(struct atu_softc *sc, struct atu_chain *ch, 1605 int listlen) 1606 { 1607 int i; 1608 1609 /* Free resources. */ 1610 for (i = 0; i < listlen; i++) { 1611 if (ch[i].atu_buf != NULL) 1612 ch[i].atu_buf = NULL; 1613 if (ch[i].atu_mbuf != NULL) { 1614 m_freem(ch[i].atu_mbuf); 1615 ch[i].atu_mbuf = NULL; 1616 } 1617 if (ch[i].atu_xfer != NULL) { 1618 usbd_free_xfer(ch[i].atu_xfer); 1619 ch[i].atu_xfer = NULL; 1620 } 1621 } 1622 } 1623 1624 /* 1625 * A frame has been uploaded: pass the resulting mbuf chain up to 1626 * the higher level protocols. 1627 */ 1628 void 1629 atu_rxeof(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 1630 { 1631 struct atu_chain *c = (struct atu_chain *)priv; 1632 struct atu_softc *sc = c->atu_sc; 1633 struct ieee80211com *ic = &sc->sc_ic; 1634 struct ifnet *ifp = &sc->sc_if; 1635 struct atu_rx_hdr *h; 1636 struct ieee80211_frame_min *wh; 1637 struct ieee80211_node *ni; 1638 struct mbuf *m; 1639 u_int32_t len; 1640 int s; 1641 1642 DPRINTFN(25, ("%s: atu_rxeof\n", device_xname(sc->atu_dev))); 1643 1644 if (sc->sc_state != ATU_S_OK) 1645 return; 1646 1647 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) != (IFF_RUNNING|IFF_UP)) 1648 goto done; 1649 1650 if (status != USBD_NORMAL_COMPLETION) { 1651 DPRINTF(("%s: status != USBD_NORMAL_COMPLETION\n", 1652 device_xname(sc->atu_dev))); 1653 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) { 1654 return; 1655 } 1656 #if 0 1657 if (status == USBD_IOERROR) { 1658 DPRINTF(("%s: rx: EEK! lost device?\n", 1659 device_xname(sc->atu_dev))); 1660 1661 /* 1662 * My experience with USBD_IOERROR is that trying to 1663 * restart the transfer will always fail and we'll 1664 * keep on looping restarting transfers untill someone 1665 * pulls the plug of the device. 1666 * So we don't restart the transfer, but just let it 1667 * die... If someone knows of a situation where we can 1668 * recover from USBD_IOERROR, let me know. 1669 */ 1670 splx(s); 1671 return; 1672 } 1673 #endif /* 0 */ 1674 1675 if (usbd_ratecheck(&sc->atu_rx_notice)) { 1676 DPRINTF(("%s: usb error on rx: %s\n", 1677 device_xname(sc->atu_dev), usbd_errstr(status))); 1678 } 1679 if (status == USBD_STALLED) 1680 usbd_clear_endpoint_stall_async( 1681 sc->atu_ep[ATU_ENDPT_RX]); 1682 goto done; 1683 } 1684 1685 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 1686 1687 if (len <= 1) { 1688 DPRINTF(("%s: atu_rxeof: too short\n", 1689 device_xname(sc->atu_dev))); 1690 goto done; 1691 } 1692 1693 h = (struct atu_rx_hdr *)c->atu_buf; 1694 len = UGETW(h->length) - 4; /* XXX magic number */ 1695 1696 m = c->atu_mbuf; 1697 memcpy(mtod(m, char *), c->atu_buf + ATU_RX_HDRLEN, len); 1698 m->m_pkthdr.rcvif = ifp; 1699 m->m_pkthdr.len = m->m_len = len; 1700 1701 wh = mtod(m, struct ieee80211_frame_min *); 1702 ni = ieee80211_find_rxnode(ic, wh); 1703 1704 ifp->if_ipackets++; 1705 1706 s = splnet(); 1707 1708 if (atu_newbuf(sc, c, NULL) == ENOBUFS) { 1709 ifp->if_ierrors++; 1710 goto done1; /* XXX if we can't allocate, why restart it? */ 1711 } 1712 1713 if (wh->i_fc[1] & IEEE80211_FC1_WEP) { 1714 /* 1715 * WEP is decrypted by hardware. Clear WEP bit 1716 * header for ieee80211_input(). 1717 */ 1718 wh->i_fc[1] &= ~IEEE80211_FC1_WEP; 1719 } 1720 1721 ieee80211_input(ic, m, ni, h->rssi, UGETDW(h->rx_time)); 1722 1723 ieee80211_free_node(ni); 1724 done1: 1725 splx(s); 1726 done: 1727 /* Setup new transfer. */ 1728 usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_RX], c, c->atu_buf, 1729 ATU_RX_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, USBD_NO_TIMEOUT, 1730 atu_rxeof); 1731 usbd_transfer(c->atu_xfer); 1732 } 1733 1734 /* 1735 * A frame was downloaded to the chip. It's safe for us to clean up 1736 * the list buffers. 1737 */ 1738 void 1739 atu_txeof(usbd_xfer_handle xfer, usbd_private_handle priv, 1740 usbd_status status) 1741 { 1742 struct atu_chain *c = (struct atu_chain *)priv; 1743 struct atu_softc *sc = c->atu_sc; 1744 struct ifnet *ifp = &sc->sc_if; 1745 usbd_status err; 1746 int s; 1747 1748 DPRINTFN(25, ("%s: atu_txeof status=%d\n", device_xname(sc->atu_dev), 1749 status)); 1750 1751 if (c->atu_mbuf) { 1752 m_freem(c->atu_mbuf); 1753 c->atu_mbuf = NULL; 1754 } 1755 1756 if (status != USBD_NORMAL_COMPLETION) { 1757 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 1758 return; 1759 1760 DPRINTF(("%s: usb error on tx: %s\n", device_xname(sc->atu_dev), 1761 usbd_errstr(status))); 1762 if (status == USBD_STALLED) 1763 usbd_clear_endpoint_stall_async(sc->atu_ep[ATU_ENDPT_TX]); 1764 return; 1765 } 1766 1767 usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, &err); 1768 1769 if (err) 1770 ifp->if_oerrors++; 1771 else 1772 ifp->if_opackets++; 1773 1774 s = splnet(); 1775 SLIST_INSERT_HEAD(&sc->atu_cdata.atu_tx_free, c, atu_list); 1776 sc->atu_cdata.atu_tx_inuse--; 1777 if (sc->atu_cdata.atu_tx_inuse == 0) 1778 ifp->if_timer = 0; 1779 ifp->if_flags &= ~IFF_OACTIVE; 1780 splx(s); 1781 1782 atu_start(ifp); 1783 } 1784 1785 u_int8_t 1786 atu_calculate_padding(int size) 1787 { 1788 size %= 64; 1789 1790 if (size < 50) 1791 return (50 - size); 1792 if (size >=61) 1793 return (64 + 50 - size); 1794 return (0); 1795 } 1796 1797 int 1798 atu_tx_start(struct atu_softc *sc, struct ieee80211_node *ni, 1799 struct atu_chain *c, struct mbuf *m) 1800 { 1801 int len; 1802 struct atu_tx_hdr *h; 1803 usbd_status err; 1804 u_int8_t pad; 1805 1806 DPRINTFN(25, ("%s: atu_tx_start\n", device_xname(sc->atu_dev))); 1807 1808 /* Don't try to send when we're shutting down the driver */ 1809 if (sc->sc_state != ATU_S_OK) { 1810 m_freem(m); 1811 return(EIO); 1812 } 1813 1814 /* 1815 * Copy the mbuf data into a contiguous buffer, leaving 1816 * enough room for the atmel headers 1817 */ 1818 len = m->m_pkthdr.len; 1819 1820 m_copydata(m, 0, m->m_pkthdr.len, c->atu_buf + ATU_TX_HDRLEN); 1821 1822 h = (struct atu_tx_hdr *)c->atu_buf; 1823 memset(h, 0, ATU_TX_HDRLEN); 1824 USETW(h->length, len); 1825 h->tx_rate = 4; /* XXX rate = auto */ 1826 len += ATU_TX_HDRLEN; 1827 1828 pad = atu_calculate_padding(len); 1829 len += pad; 1830 h->padding = pad; 1831 1832 c->atu_length = len; 1833 c->atu_mbuf = m; 1834 1835 usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_TX], 1836 c, c->atu_buf, c->atu_length, USBD_NO_COPY, ATU_TX_TIMEOUT, 1837 atu_txeof); 1838 1839 /* Let's get this thing into the air! */ 1840 c->atu_in_xfer = 1; 1841 err = usbd_transfer(c->atu_xfer); 1842 if (err != USBD_IN_PROGRESS) { 1843 DPRINTFN(25, ("%s: atu_tx_start, err=%d", 1844 device_xname(sc->atu_dev), err)); 1845 c->atu_mbuf = NULL; 1846 m_freem(m); 1847 return(EIO); 1848 } 1849 1850 return (0); 1851 } 1852 1853 void 1854 atu_start(struct ifnet *ifp) 1855 { 1856 struct atu_softc *sc = ifp->if_softc; 1857 struct ieee80211com *ic = &sc->sc_ic; 1858 struct atu_cdata *cd = &sc->atu_cdata; 1859 struct ieee80211_node *ni; 1860 struct atu_chain *c; 1861 struct mbuf *m = NULL; 1862 int s; 1863 1864 DPRINTFN(25, ("%s: atu_start: enter\n", device_xname(sc->atu_dev))); 1865 1866 if ((ifp->if_flags & IFF_RUNNING) == 0) { 1867 return; 1868 } 1869 if (ifp->if_flags & IFF_OACTIVE) { 1870 DPRINTFN(30, ("%s: atu_start: IFF_OACTIVE\n", 1871 device_xname(sc->atu_dev))); 1872 return; 1873 } 1874 1875 for (;;) { 1876 /* grab a TX buffer */ 1877 s = splnet(); 1878 c = SLIST_FIRST(&cd->atu_tx_free); 1879 if (c != NULL) { 1880 SLIST_REMOVE_HEAD(&cd->atu_tx_free, atu_list); 1881 cd->atu_tx_inuse++; 1882 if (cd->atu_tx_inuse == ATU_TX_LIST_CNT) 1883 ifp->if_flags |= IFF_OACTIVE; 1884 } 1885 splx(s); 1886 if (c == NULL) { 1887 DPRINTFN(10, ("%s: out of tx xfers\n", 1888 device_xname(sc->atu_dev))); 1889 ifp->if_flags |= IFF_OACTIVE; 1890 break; 1891 } 1892 1893 /* 1894 * Poll the management queue for frames, it has priority over 1895 * normal data frames. 1896 */ 1897 IF_DEQUEUE(&ic->ic_mgtq, m); 1898 if (m == NULL) { 1899 DPRINTFN(10, ("%s: atu_start: data packet\n", 1900 device_xname(sc->atu_dev))); 1901 if (ic->ic_state != IEEE80211_S_RUN) { 1902 DPRINTFN(25, ("%s: no data till running\n", 1903 device_xname(sc->atu_dev))); 1904 /* put the xfer back on the list */ 1905 s = splnet(); 1906 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1907 atu_list); 1908 cd->atu_tx_inuse--; 1909 splx(s); 1910 break; 1911 } 1912 1913 IFQ_DEQUEUE(&ifp->if_snd, m); 1914 if (m == NULL) { 1915 DPRINTFN(25, ("%s: nothing to send\n", 1916 device_xname(sc->atu_dev))); 1917 s = splnet(); 1918 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1919 atu_list); 1920 cd->atu_tx_inuse--; 1921 splx(s); 1922 break; 1923 } 1924 bpf_mtap(ifp, m); 1925 ni = ieee80211_find_txnode(ic, 1926 mtod(m, struct ether_header *)->ether_dhost); 1927 if (ni == NULL) { 1928 m_freem(m); 1929 goto bad; 1930 } 1931 m = ieee80211_encap(ic, m, ni); 1932 if (m == NULL) 1933 goto bad; 1934 } else { 1935 DPRINTFN(25, ("%s: atu_start: mgmt packet\n", 1936 device_xname(sc->atu_dev))); 1937 1938 /* 1939 * Hack! The referenced node pointer is in the 1940 * rcvif field of the packet header. This is 1941 * placed there by ieee80211_mgmt_output because 1942 * we need to hold the reference with the frame 1943 * and there's no other way (other than packet 1944 * tags which we consider too expensive to use) 1945 * to pass it along. 1946 */ 1947 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 1948 m->m_pkthdr.rcvif = NULL; 1949 1950 /* sc->sc_stats.ast_tx_mgmt++; */ 1951 } 1952 1953 bpf_mtap3(ic->ic_rawbpf, m); 1954 1955 if (atu_tx_start(sc, ni, c, m)) { 1956 bad: 1957 s = splnet(); 1958 SLIST_INSERT_HEAD(&cd->atu_tx_free, c, 1959 atu_list); 1960 cd->atu_tx_inuse--; 1961 splx(s); 1962 /* ifp_if_oerrors++; */ 1963 if (ni != NULL) 1964 ieee80211_free_node(ni); 1965 continue; 1966 } 1967 ifp->if_timer = 5; 1968 } 1969 } 1970 1971 int 1972 atu_init(struct ifnet *ifp) 1973 { 1974 struct atu_softc *sc = ifp->if_softc; 1975 struct ieee80211com *ic = &sc->sc_ic; 1976 struct atu_chain *c; 1977 usbd_status err; 1978 int i, s; 1979 1980 s = splnet(); 1981 1982 DPRINTFN(10, ("%s: atu_init\n", device_xname(sc->atu_dev))); 1983 1984 if (ifp->if_flags & IFF_RUNNING) { 1985 splx(s); 1986 return(0); 1987 } 1988 1989 /* Init TX ring */ 1990 if (atu_tx_list_init(sc)) 1991 printf("%s: tx list init failed\n", device_xname(sc->atu_dev)); 1992 1993 /* Init RX ring */ 1994 if (atu_rx_list_init(sc)) 1995 printf("%s: rx list init failed\n", device_xname(sc->atu_dev)); 1996 1997 /* Load the multicast filter. */ 1998 /*atu_setmulti(sc); */ 1999 2000 /* Open RX and TX pipes. */ 2001 err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_RX], 2002 USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_RX]); 2003 if (err) { 2004 DPRINTF(("%s: open rx pipe failed: %s\n", 2005 device_xname(sc->atu_dev), usbd_errstr(err))); 2006 splx(s); 2007 return(EIO); 2008 } 2009 2010 err = usbd_open_pipe(sc->atu_iface, sc->atu_ed[ATU_ENDPT_TX], 2011 USBD_EXCLUSIVE_USE, &sc->atu_ep[ATU_ENDPT_TX]); 2012 if (err) { 2013 DPRINTF(("%s: open tx pipe failed: %s\n", 2014 device_xname(sc->atu_dev), usbd_errstr(err))); 2015 splx(s); 2016 return(EIO); 2017 } 2018 2019 /* Start up the receive pipe. */ 2020 for (i = 0; i < ATU_RX_LIST_CNT; i++) { 2021 c = &sc->atu_cdata.atu_rx_chain[i]; 2022 2023 usbd_setup_xfer(c->atu_xfer, sc->atu_ep[ATU_ENDPT_RX], c, 2024 c->atu_buf, ATU_RX_BUFSZ, USBD_SHORT_XFER_OK | USBD_NO_COPY, 2025 USBD_NO_TIMEOUT, atu_rxeof); 2026 usbd_transfer(c->atu_xfer); 2027 } 2028 2029 DPRINTFN(10, ("%s: starting up using MAC=%s\n", 2030 device_xname(sc->atu_dev), ether_sprintf(ic->ic_myaddr))); 2031 2032 /* Do initial setup */ 2033 err = atu_initial_config(sc); 2034 if (err) { 2035 DPRINTF(("%s: initial config failed!\n", 2036 device_xname(sc->atu_dev))); 2037 splx(s); 2038 return(EIO); 2039 } 2040 DPRINTFN(10, ("%s: initialised transceiver\n", 2041 device_xname(sc->atu_dev))); 2042 2043 /* sc->atu_rxfilt = ATU_RXFILT_UNICAST|ATU_RXFILT_BROADCAST; */ 2044 2045 /* If we want promiscuous mode, set the allframes bit. */ 2046 /* 2047 if (ifp->if_flags & IFF_PROMISC) 2048 sc->atu_rxfilt |= ATU_RXFILT_PROMISC; 2049 */ 2050 2051 ifp->if_flags |= IFF_RUNNING; 2052 ifp->if_flags &= ~IFF_OACTIVE; 2053 splx(s); 2054 2055 /* XXX the following HAS to be replaced */ 2056 s = splnet(); 2057 err = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2058 if (err) { 2059 DPRINTFN(1, ("%s: atu_init: error calling " 2060 "ieee80211_net_state", device_xname(sc->atu_dev))); 2061 } 2062 splx(s); 2063 2064 return 0; 2065 } 2066 2067 #ifdef ATU_DEBUG 2068 void 2069 atu_debug_print(struct atu_softc *sc) 2070 { 2071 usbd_status err; 2072 u_int8_t tmp[32]; 2073 2074 /* DEBUG */ 2075 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_BSSID, tmp))) 2076 return; 2077 DPRINTF(("%s: DEBUG: current BSSID=%s\n", device_xname(sc->atu_dev), 2078 ether_sprintf(tmp))); 2079 2080 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__BEACON_PERIOD, tmp))) 2081 return; 2082 DPRINTF(("%s: DEBUG: beacon period=%d\n", device_xname(sc->atu_dev), 2083 tmp[0])); 2084 2085 if ((err = atu_get_mib(sc, MIB_MAC_WEP__PRIVACY_INVOKED, tmp))) 2086 return; 2087 DPRINTF(("%s: DEBUG: privacy invoked=%d\n", device_xname(sc->atu_dev), 2088 tmp[0])); 2089 2090 if ((err = atu_get_mib(sc, MIB_MAC_WEP__ENCR_LEVEL, tmp))) 2091 return; 2092 DPRINTF(("%s: DEBUG: encr_level=%d\n", device_xname(sc->atu_dev), 2093 tmp[0])); 2094 2095 if ((err = atu_get_mib(sc, MIB_MAC_WEP__ICV_ERROR_COUNT, tmp))) 2096 return; 2097 DPRINTF(("%s: DEBUG: icv error count=%d\n", device_xname(sc->atu_dev), 2098 *(short *)tmp)); 2099 2100 if ((err = atu_get_mib(sc, MIB_MAC_WEP__EXCLUDED_COUNT, tmp))) 2101 return; 2102 DPRINTF(("%s: DEBUG: wep excluded count=%d\n", 2103 device_xname(sc->atu_dev), *(short *)tmp)); 2104 2105 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__POWER_MODE, tmp))) 2106 return; 2107 DPRINTF(("%s: DEBUG: power mode=%d\n", device_xname(sc->atu_dev), 2108 tmp[0])); 2109 2110 if ((err = atu_get_mib(sc, MIB_PHY__CHANNEL, tmp))) 2111 return; 2112 DPRINTF(("%s: DEBUG: channel=%d\n", device_xname(sc->atu_dev), tmp[0])); 2113 2114 if ((err = atu_get_mib(sc, MIB_PHY__REG_DOMAIN, tmp))) 2115 return; 2116 DPRINTF(("%s: DEBUG: reg domain=%d\n", device_xname(sc->atu_dev), 2117 tmp[0])); 2118 2119 if ((err = atu_get_mib(sc, MIB_LOCAL__SSID_SIZE, tmp))) 2120 return; 2121 DPRINTF(("%s: DEBUG: ssid size=%d\n", device_xname(sc->atu_dev), 2122 tmp[0])); 2123 2124 if ((err = atu_get_mib(sc, MIB_LOCAL__BEACON_ENABLE, tmp))) 2125 return; 2126 DPRINTF(("%s: DEBUG: beacon enable=%d\n", device_xname(sc->atu_dev), 2127 tmp[0])); 2128 2129 if ((err = atu_get_mib(sc, MIB_LOCAL__AUTO_RATE_FALLBACK, tmp))) 2130 return; 2131 DPRINTF(("%s: DEBUG: auto rate fallback=%d\n", 2132 device_xname(sc->atu_dev), tmp[0])); 2133 2134 if ((err = atu_get_mib(sc, MIB_MAC_ADDR__ADDR, tmp))) 2135 return; 2136 DPRINTF(("%s: DEBUG: mac addr=%s\n", device_xname(sc->atu_dev), 2137 ether_sprintf(tmp))); 2138 2139 if ((err = atu_get_mib(sc, MIB_MAC__DESIRED_SSID, tmp))) 2140 return; 2141 DPRINTF(("%s: DEBUG: desired ssid=%s\n", device_xname(sc->atu_dev), 2142 tmp)); 2143 2144 if ((err = atu_get_mib(sc, MIB_MAC_MGMT__CURRENT_ESSID, tmp))) 2145 return; 2146 DPRINTF(("%s: DEBUG: current ESSID=%s\n", device_xname(sc->atu_dev), 2147 tmp)); 2148 } 2149 #endif /* ATU_DEBUG */ 2150 2151 int 2152 atu_ioctl(struct ifnet *ifp, u_long command, void *data) 2153 { 2154 struct atu_softc *sc = ifp->if_softc; 2155 struct ifreq *ifr = (struct ifreq *)data; 2156 struct ieee80211com *ic = &sc->sc_ic; 2157 int err = 0, s; 2158 2159 s = splnet(); 2160 switch (command) { 2161 case SIOCSIFMEDIA: 2162 case SIOCGIFMEDIA: 2163 err = ifmedia_ioctl(ifp, ifr, &ic->ic_media, command); 2164 break; 2165 2166 default: 2167 DPRINTFN(15, ("%s: ieee80211_ioctl (%lu)\n", 2168 device_xname(sc->atu_dev), command)); 2169 err = ieee80211_ioctl(ic, command, data); 2170 break; 2171 } 2172 2173 if (err == ENETRESET) { 2174 if ((ifp->if_flags & (IFF_RUNNING|IFF_UP)) == 2175 (IFF_RUNNING|IFF_UP)) { 2176 DPRINTF(("%s: atu_ioctl(): netreset %lu\n", 2177 device_xname(sc->atu_dev), command)); 2178 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2179 atu_initial_config(sc); 2180 ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2181 } 2182 err = 0; 2183 } 2184 2185 splx(s); 2186 return (err); 2187 } 2188 2189 void 2190 atu_watchdog(struct ifnet *ifp) 2191 { 2192 struct atu_softc *sc = ifp->if_softc; 2193 struct atu_chain *c; 2194 usbd_status stat; 2195 int cnt, s; 2196 2197 DPRINTF(("%s: atu_watchdog\n", device_xname(sc->atu_dev))); 2198 2199 ifp->if_timer = 0; 2200 2201 if (sc->sc_state != ATU_S_OK || (ifp->if_flags & IFF_RUNNING) == 0) 2202 return; 2203 2204 sc = ifp->if_softc; 2205 s = splnet(); 2206 ifp->if_oerrors++; 2207 DPRINTF(("%s: watchdog timeout\n", device_xname(sc->atu_dev))); 2208 2209 /* 2210 * TODO: 2211 * we should change this since we have multiple TX tranfers... 2212 */ 2213 for (cnt = 0; cnt < ATU_TX_LIST_CNT; cnt++) { 2214 c = &sc->atu_cdata.atu_tx_chain[cnt]; 2215 if (c->atu_in_xfer) { 2216 usbd_get_xfer_status(c->atu_xfer, NULL, NULL, NULL, 2217 &stat); 2218 atu_txeof(c->atu_xfer, c, stat); 2219 } 2220 } 2221 2222 if (!IFQ_IS_EMPTY(&ifp->if_snd)) 2223 atu_start(ifp); 2224 splx(s); 2225 2226 ieee80211_watchdog(&sc->sc_ic); 2227 } 2228 2229 /* 2230 * Stop the adapter and free any mbufs allocated to the 2231 * RX and TX lists. 2232 */ 2233 void 2234 atu_stop(struct ifnet *ifp, int disable) 2235 { 2236 struct atu_softc *sc = ifp->if_softc; 2237 struct ieee80211com *ic = &sc->sc_ic; 2238 struct atu_cdata *cd; 2239 usbd_status err; 2240 int s; 2241 2242 s = splnet(); 2243 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE); 2244 ifp->if_timer = 0; 2245 2246 usb_rem_task(sc->atu_udev, &sc->sc_task); 2247 ieee80211_new_state(ic, IEEE80211_S_INIT, -1); 2248 2249 /* Stop transfers. */ 2250 if (sc->atu_ep[ATU_ENDPT_RX] != NULL) { 2251 err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_RX]); 2252 if (err) { 2253 DPRINTF(("%s: abort rx pipe failed: %s\n", 2254 device_xname(sc->atu_dev), usbd_errstr(err))); 2255 } 2256 err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_RX]); 2257 if (err) { 2258 DPRINTF(("%s: close rx pipe failed: %s\n", 2259 device_xname(sc->atu_dev), usbd_errstr(err))); 2260 } 2261 sc->atu_ep[ATU_ENDPT_RX] = NULL; 2262 } 2263 2264 if (sc->atu_ep[ATU_ENDPT_TX] != NULL) { 2265 err = usbd_abort_pipe(sc->atu_ep[ATU_ENDPT_TX]); 2266 if (err) { 2267 DPRINTF(("%s: abort tx pipe failed: %s\n", 2268 device_xname(sc->atu_dev), usbd_errstr(err))); 2269 } 2270 err = usbd_close_pipe(sc->atu_ep[ATU_ENDPT_TX]); 2271 if (err) { 2272 DPRINTF(("%s: close tx pipe failed: %s\n", 2273 device_xname(sc->atu_dev), usbd_errstr(err))); 2274 } 2275 sc->atu_ep[ATU_ENDPT_TX] = NULL; 2276 } 2277 2278 /* Free RX/TX/MGMT list resources. */ 2279 cd = &sc->atu_cdata; 2280 atu_xfer_list_free(sc, cd->atu_rx_chain, ATU_RX_LIST_CNT); 2281 atu_xfer_list_free(sc, cd->atu_tx_chain, ATU_TX_LIST_CNT); 2282 2283 /* Let's be nice and turn off the radio before we leave */ 2284 atu_switch_radio(sc, 0); 2285 2286 splx(s); 2287 } 2288
Indexes created Wed Oct 15 16:09:53 GMT 2025