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@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 | |