1 | /* $NetBSD: ubt.c,v 1.56 2016/07/14 04:19:27 msaitoh Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2006 Itronix Inc. |
5 | * All rights reserved. |
6 | * |
7 | * Written by Iain Hibbert for Itronix Inc. |
8 | * |
9 | * Redistribution and use in source and binary forms, with or without |
10 | * modification, are permitted provided that the following conditions |
11 | * are met: |
12 | * 1. Redistributions of source code must retain the above copyright |
13 | * notice, this list of conditions and the following disclaimer. |
14 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * notice, this list of conditions and the following disclaimer in the |
16 | * documentation and/or other materials provided with the distribution. |
17 | * 3. The name of Itronix Inc. may not be used to endorse |
18 | * or promote products derived from this software without specific |
19 | * prior written permission. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY |
25 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
26 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
27 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
28 | * ON ANY THEORY OF LIABILITY, WHETHER IN |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
31 | * POSSIBILITY OF SUCH DAMAGE. |
32 | */ |
33 | /* |
34 | * Copyright (c) 2002, 2003 The NetBSD Foundation, Inc. |
35 | * All rights reserved. |
36 | * |
37 | * This code is derived from software contributed to The NetBSD Foundation |
38 | * by Lennart Augustsson (lennart@augustsson.net) and |
39 | * David Sainty (David.Sainty@dtsp.co.nz). |
40 | * |
41 | * Redistribution and use in source and binary forms, with or without |
42 | * modification, are permitted provided that the following conditions |
43 | * are met: |
44 | * 1. Redistributions of source code must retain the above copyright |
45 | * notice, this list of conditions and the following disclaimer. |
46 | * 2. Redistributions in binary form must reproduce the above copyright |
47 | * notice, this list of conditions and the following disclaimer in the |
48 | * documentation and/or other materials provided with the distribution. |
49 | * |
50 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
51 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
52 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
53 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
54 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
55 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
56 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
57 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
58 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
59 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
60 | * POSSIBILITY OF SUCH DAMAGE. |
61 | */ |
62 | /* |
63 | * This driver originally written by Lennart Augustsson and David Sainty, |
64 | * but was mostly rewritten for the NetBSD Bluetooth protocol stack by |
65 | * Iain Hibbert for Itronix, Inc using the FreeBSD ng_ubt.c driver as a |
66 | * reference. |
67 | */ |
68 | |
69 | #include <sys/cdefs.h> |
70 | __KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.56 2016/07/14 04:19:27 msaitoh Exp $" ); |
71 | |
72 | #include <sys/param.h> |
73 | #include <sys/device.h> |
74 | #include <sys/ioctl.h> |
75 | #include <sys/kernel.h> |
76 | #include <sys/kmem.h> |
77 | #include <sys/mbuf.h> |
78 | #include <sys/proc.h> |
79 | #include <sys/sysctl.h> |
80 | #include <sys/systm.h> |
81 | |
82 | #include <dev/usb/usb.h> |
83 | #include <dev/usb/usbdi.h> |
84 | #include <dev/usb/usbdi_util.h> |
85 | #include <dev/usb/usbdevs.h> |
86 | |
87 | #include <netbt/bluetooth.h> |
88 | #include <netbt/hci.h> |
89 | |
90 | /******************************************************************************* |
91 | * |
92 | * debugging stuff |
93 | */ |
94 | #undef DPRINTF |
95 | #undef DPRINTFN |
96 | |
97 | #ifdef UBT_DEBUG |
98 | int ubt_debug = 0; |
99 | |
100 | #define DPRINTF(...) do { \ |
101 | if (ubt_debug) { \ |
102 | printf("%s: ", __func__); \ |
103 | printf(__VA_ARGS__); \ |
104 | } \ |
105 | } while (/* CONSTCOND */0) |
106 | |
107 | #define DPRINTFN(n, ...) do { \ |
108 | if (ubt_debug > (n)) { \ |
109 | printf("%s: ", __func__); \ |
110 | printf(__VA_ARGS__); \ |
111 | } \ |
112 | } while (/* CONSTCOND */0) |
113 | |
114 | SYSCTL_SETUP(sysctl_hw_ubt_debug_setup, "sysctl hw.ubt_debug setup" ) |
115 | { |
116 | |
117 | sysctl_createv(NULL, 0, NULL, NULL, |
118 | CTLFLAG_PERMANENT | CTLFLAG_READWRITE, |
119 | CTLTYPE_INT, "ubt_debug" , |
120 | SYSCTL_DESCR("ubt debug level" ), |
121 | NULL, 0, |
122 | &ubt_debug, sizeof(ubt_debug), |
123 | CTL_HW, CTL_CREATE, CTL_EOL); |
124 | } |
125 | #else |
126 | #define DPRINTF(...) |
127 | #define DPRINTFN(...) |
128 | #endif |
129 | |
130 | /******************************************************************************* |
131 | * |
132 | * ubt softc structure |
133 | * |
134 | */ |
135 | |
136 | /* buffer sizes */ |
137 | /* |
138 | * NB: although ACL packets can extend to 65535 bytes, most devices |
139 | * have max_acl_size at much less (largest I have seen is 384) |
140 | */ |
141 | #define UBT_BUFSIZ_CMD (HCI_CMD_PKT_SIZE - 1) |
142 | #define UBT_BUFSIZ_ACL (2048 - 1) |
143 | #define UBT_BUFSIZ_EVENT (HCI_EVENT_PKT_SIZE - 1) |
144 | |
145 | /* Transmit timeouts */ |
146 | #define UBT_CMD_TIMEOUT USBD_DEFAULT_TIMEOUT |
147 | #define UBT_ACL_TIMEOUT USBD_DEFAULT_TIMEOUT |
148 | |
149 | /* |
150 | * ISOC transfers |
151 | * |
152 | * xfer buffer size depends on the frame size, and the number |
153 | * of frames per transfer is fixed, as each frame should be |
154 | * 1ms worth of data. This keeps the rate that xfers complete |
155 | * fairly constant. We use multiple xfers to keep the hardware |
156 | * busy |
157 | */ |
158 | #define UBT_NXFERS 3 /* max xfers to queue */ |
159 | #define UBT_NFRAMES 10 /* frames per xfer */ |
160 | |
161 | struct ubt_isoc_xfer { |
162 | struct ubt_softc *softc; |
163 | struct usbd_xfer *xfer; |
164 | uint8_t *buf; |
165 | uint16_t size[UBT_NFRAMES]; |
166 | int busy; |
167 | }; |
168 | |
169 | struct ubt_softc { |
170 | device_t sc_dev; |
171 | struct usbd_device *sc_udev; |
172 | int sc_refcnt; |
173 | int sc_dying; |
174 | int sc_enabled; |
175 | |
176 | /* Control Interface */ |
177 | struct usbd_interface * sc_iface0; |
178 | |
179 | /* Commands (control) */ |
180 | struct usbd_xfer *sc_cmd_xfer; |
181 | uint8_t *sc_cmd_buf; |
182 | int sc_cmd_busy; /* write active */ |
183 | MBUFQ_HEAD() sc_cmd_queue; /* output queue */ |
184 | |
185 | /* Events (interrupt) */ |
186 | int sc_evt_addr; /* endpoint address */ |
187 | struct usbd_pipe *sc_evt_pipe; |
188 | uint8_t *sc_evt_buf; |
189 | |
190 | /* ACL data (in) */ |
191 | int sc_aclrd_addr; /* endpoint address */ |
192 | struct usbd_pipe *sc_aclrd_pipe; /* read pipe */ |
193 | struct usbd_xfer *sc_aclrd_xfer; /* read xfer */ |
194 | uint8_t *sc_aclrd_buf; /* read buffer */ |
195 | int sc_aclrd_busy; /* reading */ |
196 | |
197 | /* ACL data (out) */ |
198 | int sc_aclwr_addr; /* endpoint address */ |
199 | struct usbd_pipe *sc_aclwr_pipe; /* write pipe */ |
200 | struct usbd_xfer *sc_aclwr_xfer; /* write xfer */ |
201 | uint8_t *sc_aclwr_buf; /* write buffer */ |
202 | int sc_aclwr_busy; /* write active */ |
203 | MBUFQ_HEAD() sc_aclwr_queue;/* output queue */ |
204 | |
205 | /* ISOC interface */ |
206 | struct usbd_interface *sc_iface1; /* ISOC interface */ |
207 | struct sysctllog *sc_log; /* sysctl log */ |
208 | int sc_config; /* current config no */ |
209 | int sc_alt_config; /* no of alternates */ |
210 | |
211 | /* SCO data (in) */ |
212 | int sc_scord_addr; /* endpoint address */ |
213 | struct usbd_pipe *sc_scord_pipe; /* read pipe */ |
214 | int sc_scord_size; /* frame length */ |
215 | struct ubt_isoc_xfer sc_scord[UBT_NXFERS]; |
216 | struct mbuf *sc_scord_mbuf; /* current packet */ |
217 | |
218 | /* SCO data (out) */ |
219 | int sc_scowr_addr; /* endpoint address */ |
220 | struct usbd_pipe *sc_scowr_pipe; /* write pipe */ |
221 | int sc_scowr_size; /* frame length */ |
222 | struct ubt_isoc_xfer sc_scowr[UBT_NXFERS]; |
223 | struct mbuf *sc_scowr_mbuf; /* current packet */ |
224 | int sc_scowr_busy; /* write active */ |
225 | MBUFQ_HEAD() sc_scowr_queue;/* output queue */ |
226 | |
227 | /* Protocol structure */ |
228 | struct hci_unit *sc_unit; |
229 | struct bt_stats sc_stats; |
230 | |
231 | /* Successfully attached */ |
232 | int sc_ok; |
233 | }; |
234 | |
235 | /******************************************************************************* |
236 | * |
237 | * Bluetooth unit/USB callback routines |
238 | * |
239 | */ |
240 | static int ubt_enable(device_t); |
241 | static void ubt_disable(device_t); |
242 | |
243 | static void ubt_xmit_cmd(device_t, struct mbuf *); |
244 | static void ubt_xmit_cmd_start(struct ubt_softc *); |
245 | static void ubt_xmit_cmd_complete(struct usbd_xfer *, |
246 | void *, usbd_status); |
247 | |
248 | static void ubt_xmit_acl(device_t, struct mbuf *); |
249 | static void ubt_xmit_acl_start(struct ubt_softc *); |
250 | static void ubt_xmit_acl_complete(struct usbd_xfer *, |
251 | void *, usbd_status); |
252 | |
253 | static void ubt_xmit_sco(device_t, struct mbuf *); |
254 | static void ubt_xmit_sco_start(struct ubt_softc *); |
255 | static void ubt_xmit_sco_start1(struct ubt_softc *, struct ubt_isoc_xfer *); |
256 | static void ubt_xmit_sco_complete(struct usbd_xfer *, |
257 | void *, usbd_status); |
258 | |
259 | static void ubt_recv_event(struct usbd_xfer *, |
260 | void *, usbd_status); |
261 | |
262 | static void ubt_recv_acl_start(struct ubt_softc *); |
263 | static void ubt_recv_acl_complete(struct usbd_xfer *, |
264 | void *, usbd_status); |
265 | |
266 | static void ubt_recv_sco_start1(struct ubt_softc *, struct ubt_isoc_xfer *); |
267 | static void ubt_recv_sco_complete(struct usbd_xfer *, |
268 | void *, usbd_status); |
269 | |
270 | static void ubt_stats(device_t, struct bt_stats *, int); |
271 | |
272 | static const struct hci_if ubt_hci = { |
273 | .enable = ubt_enable, |
274 | .disable = ubt_disable, |
275 | .output_cmd = ubt_xmit_cmd, |
276 | .output_acl = ubt_xmit_acl, |
277 | .output_sco = ubt_xmit_sco, |
278 | .get_stats = ubt_stats, |
279 | .ipl = IPL_SOFTUSB, |
280 | }; |
281 | |
282 | /******************************************************************************* |
283 | * |
284 | * USB Autoconfig stuff |
285 | * |
286 | */ |
287 | |
288 | int ubt_match(device_t, cfdata_t, void *); |
289 | void ubt_attach(device_t, device_t, void *); |
290 | int ubt_detach(device_t, int); |
291 | int ubt_activate(device_t, enum devact); |
292 | extern struct cfdriver ubt_cd; |
293 | CFATTACH_DECL_NEW(ubt, sizeof(struct ubt_softc), ubt_match, ubt_attach, |
294 | ubt_detach, ubt_activate); |
295 | |
296 | static int ubt_set_isoc_config(struct ubt_softc *); |
297 | static int ubt_sysctl_config(SYSCTLFN_PROTO); |
298 | static void ubt_abortdealloc(struct ubt_softc *); |
299 | |
300 | /* |
301 | * To match or ignore, add details to the ubt_dev list. |
302 | * Use value of -1 to indicate a wildcard |
303 | * To override another entry, add details earlier |
304 | */ |
305 | const struct ubt_devno { |
306 | int vendor; |
307 | int product; |
308 | int class; |
309 | int subclass; |
310 | int proto; |
311 | int match; |
312 | } ubt_dev[] = { |
313 | { /* ignore Broadcom 2033 without firmware */ |
314 | USB_VENDOR_BROADCOM, |
315 | USB_PRODUCT_BROADCOM_BCM2033NF, |
316 | -1, |
317 | -1, |
318 | -1, |
319 | UMATCH_NONE |
320 | }, |
321 | { /* Apple Bluetooth Host Controller MacbookPro 7,1 */ |
322 | USB_VENDOR_APPLE, |
323 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_1, |
324 | -1, |
325 | -1, |
326 | -1, |
327 | UMATCH_VENDOR_PRODUCT |
328 | }, |
329 | { /* Apple Bluetooth Host Controller iMac 11,1 */ |
330 | USB_VENDOR_APPLE, |
331 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_2, |
332 | -1, |
333 | -1, |
334 | -1, |
335 | UMATCH_VENDOR_PRODUCT |
336 | }, |
337 | { /* Apple Bluetooth Host Controller MacBookPro 8,2 */ |
338 | USB_VENDOR_APPLE, |
339 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_3, |
340 | -1, |
341 | -1, |
342 | -1, |
343 | UMATCH_VENDOR_PRODUCT |
344 | }, |
345 | { /* Apple Bluetooth Host Controller MacBookAir 3,1 3,2*/ |
346 | USB_VENDOR_APPLE, |
347 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_4, |
348 | -1, |
349 | -1, |
350 | -1, |
351 | UMATCH_VENDOR_PRODUCT |
352 | }, |
353 | { /* Apple Bluetooth Host Controller MacBookAir 4,1 */ |
354 | USB_VENDOR_APPLE, |
355 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_5, |
356 | -1, |
357 | -1, |
358 | -1, |
359 | UMATCH_VENDOR_PRODUCT |
360 | }, |
361 | { /* Apple Bluetooth Host Controller MacMini 5,1 */ |
362 | USB_VENDOR_APPLE, |
363 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_6, |
364 | -1, |
365 | -1, |
366 | -1, |
367 | UMATCH_VENDOR_PRODUCT |
368 | }, |
369 | { /* Apple Bluetooth Host Controller MacBookAir 6,1 */ |
370 | USB_VENDOR_APPLE, |
371 | USB_PRODUCT_APPLE_BLUETOOTH_HOST_7, |
372 | -1, |
373 | -1, |
374 | -1, |
375 | UMATCH_VENDOR_PRODUCT |
376 | }, |
377 | { /* Broadcom chips with PatchRAM support */ |
378 | USB_VENDOR_BROADCOM, |
379 | -1, |
380 | UDCLASS_VENDOR, |
381 | UDSUBCLASS_RF, |
382 | UDPROTO_BLUETOOTH, |
383 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
384 | }, |
385 | { /* Broadcom based device with PatchRAM support */ |
386 | USB_VENDOR_FOXCONN, |
387 | -1, |
388 | UDCLASS_VENDOR, |
389 | UDSUBCLASS_RF, |
390 | UDPROTO_BLUETOOTH, |
391 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
392 | }, |
393 | { /* Broadcom based device with PatchRAM support */ |
394 | USB_VENDOR_LITEON, |
395 | -1, |
396 | UDCLASS_VENDOR, |
397 | UDSUBCLASS_RF, |
398 | UDPROTO_BLUETOOTH, |
399 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
400 | }, |
401 | { /* Broadcom based device with PatchRAM support */ |
402 | USB_VENDOR_BELKIN, |
403 | -1, |
404 | UDCLASS_VENDOR, |
405 | UDSUBCLASS_RF, |
406 | UDPROTO_BLUETOOTH, |
407 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
408 | }, |
409 | { /* Broadcom based device with PatchRAM support */ |
410 | USB_VENDOR_TOSHIBA, |
411 | -1, |
412 | UDCLASS_VENDOR, |
413 | UDSUBCLASS_RF, |
414 | UDPROTO_BLUETOOTH, |
415 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
416 | }, |
417 | { /* Broadcom based device with PatchRAM support */ |
418 | USB_VENDOR_ASUSTEK, |
419 | -1, |
420 | UDCLASS_VENDOR, |
421 | UDSUBCLASS_RF, |
422 | UDPROTO_BLUETOOTH, |
423 | UMATCH_VENDOR_DEVCLASS_DEVPROTO |
424 | }, |
425 | { /* Generic Bluetooth SIG compliant devices */ |
426 | -1, |
427 | -1, |
428 | UDCLASS_WIRELESS, |
429 | UDSUBCLASS_RF, |
430 | UDPROTO_BLUETOOTH, |
431 | UMATCH_DEVCLASS_DEVSUBCLASS_DEVPROTO |
432 | }, |
433 | }; |
434 | |
435 | int |
436 | ubt_match(device_t parent, cfdata_t match, void *aux) |
437 | { |
438 | struct usb_attach_arg *uaa = aux; |
439 | size_t i; |
440 | |
441 | DPRINTFN(50, "ubt_match\n" ); |
442 | |
443 | for (i = 0; i < __arraycount(ubt_dev); i++) { |
444 | if (ubt_dev[i].vendor != -1 |
445 | && ubt_dev[i].vendor != (int)uaa->uaa_vendor) |
446 | continue; |
447 | if (ubt_dev[i].product != -1 |
448 | && ubt_dev[i].product != (int)uaa->uaa_product) |
449 | continue; |
450 | if (ubt_dev[i].class != -1 |
451 | && ubt_dev[i].class != uaa->uaa_class) |
452 | continue; |
453 | if (ubt_dev[i].subclass != -1 |
454 | && ubt_dev[i].subclass != uaa->uaa_subclass) |
455 | continue; |
456 | if (ubt_dev[i].proto != -1 |
457 | && ubt_dev[i].proto != uaa->uaa_proto) |
458 | continue; |
459 | |
460 | return ubt_dev[i].match; |
461 | } |
462 | |
463 | return UMATCH_NONE; |
464 | } |
465 | |
466 | void |
467 | ubt_attach(device_t parent, device_t self, void *aux) |
468 | { |
469 | struct ubt_softc *sc = device_private(self); |
470 | struct usb_attach_arg *uaa = aux; |
471 | usb_config_descriptor_t *cd; |
472 | usb_endpoint_descriptor_t *ed; |
473 | const struct sysctlnode *node; |
474 | char *devinfop; |
475 | int err; |
476 | uint8_t count, i; |
477 | |
478 | DPRINTFN(50, "ubt_attach: sc=%p\n" , sc); |
479 | |
480 | sc->sc_dev = self; |
481 | sc->sc_udev = uaa->uaa_device; |
482 | |
483 | MBUFQ_INIT(&sc->sc_cmd_queue); |
484 | MBUFQ_INIT(&sc->sc_aclwr_queue); |
485 | MBUFQ_INIT(&sc->sc_scowr_queue); |
486 | |
487 | aprint_naive("\n" ); |
488 | aprint_normal("\n" ); |
489 | |
490 | devinfop = usbd_devinfo_alloc(sc->sc_udev, 0); |
491 | aprint_normal_dev(self, "%s\n" , devinfop); |
492 | usbd_devinfo_free(devinfop); |
493 | |
494 | /* |
495 | * Move the device into the configured state |
496 | */ |
497 | err = usbd_set_config_index(sc->sc_udev, 0, 1); |
498 | if (err) { |
499 | aprint_error_dev(self, |
500 | "failed to set configuration idx 0: %s\n" , |
501 | usbd_errstr(err)); |
502 | |
503 | return; |
504 | } |
505 | |
506 | /* |
507 | * Interface 0 must have 3 endpoints |
508 | * 1) Interrupt endpoint to receive HCI events |
509 | * 2) Bulk IN endpoint to receive ACL data |
510 | * 3) Bulk OUT endpoint to send ACL data |
511 | */ |
512 | err = usbd_device2interface_handle(sc->sc_udev, 0, &sc->sc_iface0); |
513 | if (err) { |
514 | aprint_error_dev(self, |
515 | "Could not get interface 0 handle %s (%d)\n" , |
516 | usbd_errstr(err), err); |
517 | |
518 | return; |
519 | } |
520 | |
521 | sc->sc_evt_addr = -1; |
522 | sc->sc_aclrd_addr = -1; |
523 | sc->sc_aclwr_addr = -1; |
524 | |
525 | count = 0; |
526 | (void)usbd_endpoint_count(sc->sc_iface0, &count); |
527 | |
528 | for (i = 0 ; i < count ; i++) { |
529 | int dir, type; |
530 | |
531 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface0, i); |
532 | if (ed == NULL) { |
533 | aprint_error_dev(self, |
534 | "could not read endpoint descriptor %d\n" , i); |
535 | |
536 | return; |
537 | } |
538 | |
539 | dir = UE_GET_DIR(ed->bEndpointAddress); |
540 | type = UE_GET_XFERTYPE(ed->bmAttributes); |
541 | |
542 | if (dir == UE_DIR_IN && type == UE_INTERRUPT) |
543 | sc->sc_evt_addr = ed->bEndpointAddress; |
544 | else if (dir == UE_DIR_IN && type == UE_BULK) |
545 | sc->sc_aclrd_addr = ed->bEndpointAddress; |
546 | else if (dir == UE_DIR_OUT && type == UE_BULK) |
547 | sc->sc_aclwr_addr = ed->bEndpointAddress; |
548 | } |
549 | |
550 | if (sc->sc_evt_addr == -1) { |
551 | aprint_error_dev(self, |
552 | "missing INTERRUPT endpoint on interface 0\n" ); |
553 | |
554 | return; |
555 | } |
556 | if (sc->sc_aclrd_addr == -1) { |
557 | aprint_error_dev(self, |
558 | "missing BULK IN endpoint on interface 0\n" ); |
559 | |
560 | return; |
561 | } |
562 | if (sc->sc_aclwr_addr == -1) { |
563 | aprint_error_dev(self, |
564 | "missing BULK OUT endpoint on interface 0\n" ); |
565 | |
566 | return; |
567 | } |
568 | |
569 | /* |
570 | * Interface 1 must have 2 endpoints |
571 | * 1) Isochronous IN endpoint to receive SCO data |
572 | * 2) Isochronous OUT endpoint to send SCO data |
573 | * |
574 | * and will have several configurations, which can be selected |
575 | * via a sysctl variable. We select config 0 to start, which |
576 | * means that no SCO data will be available. |
577 | */ |
578 | err = usbd_device2interface_handle(sc->sc_udev, 1, &sc->sc_iface1); |
579 | if (err) { |
580 | aprint_error_dev(self, |
581 | "Could not get interface 1 handle %s (%d)\n" , |
582 | usbd_errstr(err), err); |
583 | |
584 | return; |
585 | } |
586 | |
587 | cd = usbd_get_config_descriptor(sc->sc_udev); |
588 | if (cd == NULL) { |
589 | aprint_error_dev(self, "could not get config descriptor\n" ); |
590 | |
591 | return; |
592 | } |
593 | |
594 | sc->sc_alt_config = usbd_get_no_alts(cd, 1); |
595 | |
596 | /* set initial config */ |
597 | err = ubt_set_isoc_config(sc); |
598 | if (err) { |
599 | aprint_error_dev(self, "ISOC config failed\n" ); |
600 | |
601 | return; |
602 | } |
603 | |
604 | /* Attach HCI */ |
605 | sc->sc_unit = hci_attach_pcb(&ubt_hci, sc->sc_dev, 0); |
606 | |
607 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
608 | |
609 | /* sysctl set-up for alternate configs */ |
610 | sysctl_createv(&sc->sc_log, 0, NULL, &node, |
611 | 0, |
612 | CTLTYPE_NODE, device_xname(sc->sc_dev), |
613 | SYSCTL_DESCR("ubt driver information" ), |
614 | NULL, 0, |
615 | NULL, 0, |
616 | CTL_HW, |
617 | CTL_CREATE, CTL_EOL); |
618 | |
619 | if (node != NULL) { |
620 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
621 | CTLFLAG_READWRITE, |
622 | CTLTYPE_INT, "config" , |
623 | SYSCTL_DESCR("configuration number" ), |
624 | ubt_sysctl_config, 0, |
625 | (void *)sc, 0, |
626 | CTL_HW, node->sysctl_num, |
627 | CTL_CREATE, CTL_EOL); |
628 | |
629 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
630 | CTLFLAG_READONLY, |
631 | CTLTYPE_INT, "alt_config" , |
632 | SYSCTL_DESCR("number of alternate configurations" ), |
633 | NULL, 0, |
634 | &sc->sc_alt_config, sizeof(sc->sc_alt_config), |
635 | CTL_HW, node->sysctl_num, |
636 | CTL_CREATE, CTL_EOL); |
637 | |
638 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
639 | CTLFLAG_READONLY, |
640 | CTLTYPE_INT, "sco_rxsize" , |
641 | SYSCTL_DESCR("max SCO receive size" ), |
642 | NULL, 0, |
643 | &sc->sc_scord_size, sizeof(sc->sc_scord_size), |
644 | CTL_HW, node->sysctl_num, |
645 | CTL_CREATE, CTL_EOL); |
646 | |
647 | sysctl_createv(&sc->sc_log, 0, NULL, NULL, |
648 | CTLFLAG_READONLY, |
649 | CTLTYPE_INT, "sco_txsize" , |
650 | SYSCTL_DESCR("max SCO transmit size" ), |
651 | NULL, 0, |
652 | &sc->sc_scowr_size, sizeof(sc->sc_scowr_size), |
653 | CTL_HW, node->sysctl_num, |
654 | CTL_CREATE, CTL_EOL); |
655 | } |
656 | |
657 | sc->sc_ok = 1; |
658 | |
659 | if (!pmf_device_register(self, NULL, NULL)) |
660 | aprint_error_dev(self, "couldn't establish power handler\n" ); |
661 | |
662 | return; |
663 | } |
664 | |
665 | int |
666 | ubt_detach(device_t self, int flags) |
667 | { |
668 | struct ubt_softc *sc = device_private(self); |
669 | int s; |
670 | |
671 | DPRINTF("sc=%p flags=%d\n" , sc, flags); |
672 | |
673 | pmf_device_deregister(self); |
674 | |
675 | sc->sc_dying = 1; |
676 | |
677 | if (!sc->sc_ok) |
678 | return 0; |
679 | |
680 | /* delete sysctl nodes */ |
681 | sysctl_teardown(&sc->sc_log); |
682 | |
683 | /* Detach HCI interface */ |
684 | if (sc->sc_unit) { |
685 | hci_detach_pcb(sc->sc_unit); |
686 | sc->sc_unit = NULL; |
687 | } |
688 | |
689 | /* |
690 | * Abort all pipes. Causes processes waiting for transfer to wake. |
691 | * |
692 | * Actually, hci_detach_pcb() above will call ubt_disable() which |
693 | * may call ubt_abortdealloc(), but lets be sure since doing it |
694 | * twice wont cause an error. |
695 | */ |
696 | ubt_abortdealloc(sc); |
697 | |
698 | /* wait for all processes to finish */ |
699 | s = splusb(); |
700 | if (sc->sc_refcnt-- > 0) |
701 | usb_detach_waitold(sc->sc_dev); |
702 | |
703 | splx(s); |
704 | |
705 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
706 | |
707 | DPRINTFN(1, "driver detached\n" ); |
708 | |
709 | return 0; |
710 | } |
711 | |
712 | int |
713 | ubt_activate(device_t self, enum devact act) |
714 | { |
715 | struct ubt_softc *sc = device_private(self); |
716 | |
717 | DPRINTFN(1, "sc=%p, act=%d\n" , sc, act); |
718 | |
719 | switch (act) { |
720 | case DVACT_DEACTIVATE: |
721 | sc->sc_dying = 1; |
722 | return 0; |
723 | default: |
724 | return EOPNOTSUPP; |
725 | } |
726 | } |
727 | |
728 | /* set ISOC configuration */ |
729 | static int |
730 | ubt_set_isoc_config(struct ubt_softc *sc) |
731 | { |
732 | usb_endpoint_descriptor_t *ed; |
733 | int rd_addr, wr_addr, rd_size, wr_size; |
734 | uint8_t count, i; |
735 | int err; |
736 | |
737 | err = usbd_set_interface(sc->sc_iface1, sc->sc_config); |
738 | if (err != USBD_NORMAL_COMPLETION) { |
739 | aprint_error_dev(sc->sc_dev, |
740 | "Could not set config %d on ISOC interface. %s (%d)\n" , |
741 | sc->sc_config, usbd_errstr(err), err); |
742 | |
743 | return err == USBD_IN_USE ? EBUSY : EIO; |
744 | } |
745 | |
746 | /* |
747 | * We wont get past the above if there are any pipes open, so no |
748 | * need to worry about buf/xfer/pipe deallocation. If we get an |
749 | * error after this, the frame quantities will be 0 and no SCO |
750 | * data will be possible. |
751 | */ |
752 | |
753 | sc->sc_scord_size = rd_size = 0; |
754 | sc->sc_scord_addr = rd_addr = -1; |
755 | |
756 | sc->sc_scowr_size = wr_size = 0; |
757 | sc->sc_scowr_addr = wr_addr = -1; |
758 | |
759 | count = 0; |
760 | (void)usbd_endpoint_count(sc->sc_iface1, &count); |
761 | |
762 | for (i = 0 ; i < count ; i++) { |
763 | ed = usbd_interface2endpoint_descriptor(sc->sc_iface1, i); |
764 | if (ed == NULL) { |
765 | aprint_error_dev(sc->sc_dev, |
766 | "could not read endpoint descriptor %d\n" , i); |
767 | |
768 | return EIO; |
769 | } |
770 | |
771 | DPRINTFN(5, "%s: endpoint type %02x (%02x) addr %02x (%s)\n" , |
772 | device_xname(sc->sc_dev), |
773 | UE_GET_XFERTYPE(ed->bmAttributes), |
774 | UE_GET_ISO_TYPE(ed->bmAttributes), |
775 | ed->bEndpointAddress, |
776 | UE_GET_DIR(ed->bEndpointAddress) ? "in" : "out" ); |
777 | |
778 | if (UE_GET_XFERTYPE(ed->bmAttributes) != UE_ISOCHRONOUS) |
779 | continue; |
780 | |
781 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN) { |
782 | rd_addr = ed->bEndpointAddress; |
783 | rd_size = UGETW(ed->wMaxPacketSize); |
784 | } else { |
785 | wr_addr = ed->bEndpointAddress; |
786 | wr_size = UGETW(ed->wMaxPacketSize); |
787 | } |
788 | } |
789 | |
790 | if (rd_addr == -1) { |
791 | aprint_error_dev(sc->sc_dev, |
792 | "missing ISOC IN endpoint on interface config %d\n" , |
793 | sc->sc_config); |
794 | |
795 | return ENOENT; |
796 | } |
797 | if (wr_addr == -1) { |
798 | aprint_error_dev(sc->sc_dev, |
799 | "missing ISOC OUT endpoint on interface config %d\n" , |
800 | sc->sc_config); |
801 | |
802 | return ENOENT; |
803 | } |
804 | |
805 | if (rd_size > MLEN) { |
806 | aprint_error_dev(sc->sc_dev, "rd_size=%d exceeds MLEN\n" , |
807 | rd_size); |
808 | |
809 | return EOVERFLOW; |
810 | } |
811 | |
812 | if (wr_size > MLEN) { |
813 | aprint_error_dev(sc->sc_dev, "wr_size=%d exceeds MLEN\n" , |
814 | wr_size); |
815 | |
816 | return EOVERFLOW; |
817 | } |
818 | |
819 | sc->sc_scord_size = rd_size; |
820 | sc->sc_scord_addr = rd_addr; |
821 | |
822 | sc->sc_scowr_size = wr_size; |
823 | sc->sc_scowr_addr = wr_addr; |
824 | |
825 | return 0; |
826 | } |
827 | |
828 | /* sysctl helper to set alternate configurations */ |
829 | static int |
830 | ubt_sysctl_config(SYSCTLFN_ARGS) |
831 | { |
832 | struct sysctlnode node; |
833 | struct ubt_softc *sc; |
834 | int t, error; |
835 | |
836 | node = *rnode; |
837 | sc = node.sysctl_data; |
838 | |
839 | t = sc->sc_config; |
840 | node.sysctl_data = &t; |
841 | error = sysctl_lookup(SYSCTLFN_CALL(&node)); |
842 | if (error || newp == NULL) |
843 | return error; |
844 | |
845 | if (t < 0 || t >= sc->sc_alt_config) |
846 | return EINVAL; |
847 | |
848 | /* This may not change when the unit is enabled */ |
849 | if (sc->sc_enabled) |
850 | return EBUSY; |
851 | |
852 | KERNEL_LOCK(1, curlwp); |
853 | sc->sc_config = t; |
854 | error = ubt_set_isoc_config(sc); |
855 | KERNEL_UNLOCK_ONE(curlwp); |
856 | return error; |
857 | } |
858 | |
859 | static void |
860 | ubt_abortdealloc(struct ubt_softc *sc) |
861 | { |
862 | int i; |
863 | |
864 | DPRINTFN(1, "sc=%p\n" , sc); |
865 | |
866 | /* Abort all pipes */ |
867 | usbd_abort_default_pipe(sc->sc_udev); |
868 | |
869 | if (sc->sc_evt_pipe != NULL) { |
870 | usbd_abort_pipe(sc->sc_evt_pipe); |
871 | } |
872 | |
873 | if (sc->sc_aclrd_pipe != NULL) { |
874 | usbd_abort_pipe(sc->sc_aclrd_pipe); |
875 | } |
876 | |
877 | if (sc->sc_aclwr_pipe != NULL) { |
878 | usbd_abort_pipe(sc->sc_aclwr_pipe); |
879 | } |
880 | |
881 | if (sc->sc_scord_pipe != NULL) { |
882 | usbd_abort_pipe(sc->sc_scord_pipe); |
883 | } |
884 | |
885 | if (sc->sc_scowr_pipe != NULL) { |
886 | usbd_abort_pipe(sc->sc_scowr_pipe); |
887 | } |
888 | |
889 | /* Free event buffer */ |
890 | if (sc->sc_evt_buf != NULL) { |
891 | kmem_free(sc->sc_evt_buf, UBT_BUFSIZ_EVENT); |
892 | sc->sc_evt_buf = NULL; |
893 | } |
894 | |
895 | /* Free all xfers and xfer buffers (implicit) */ |
896 | if (sc->sc_cmd_xfer != NULL) { |
897 | usbd_destroy_xfer(sc->sc_cmd_xfer); |
898 | sc->sc_cmd_xfer = NULL; |
899 | sc->sc_cmd_buf = NULL; |
900 | } |
901 | |
902 | if (sc->sc_aclrd_xfer != NULL) { |
903 | usbd_destroy_xfer(sc->sc_aclrd_xfer); |
904 | sc->sc_aclrd_xfer = NULL; |
905 | sc->sc_aclrd_buf = NULL; |
906 | } |
907 | |
908 | if (sc->sc_aclwr_xfer != NULL) { |
909 | usbd_destroy_xfer(sc->sc_aclwr_xfer); |
910 | sc->sc_aclwr_xfer = NULL; |
911 | sc->sc_aclwr_buf = NULL; |
912 | } |
913 | |
914 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
915 | if (sc->sc_scord[i].xfer != NULL) { |
916 | usbd_destroy_xfer(sc->sc_scord[i].xfer); |
917 | sc->sc_scord[i].xfer = NULL; |
918 | sc->sc_scord[i].buf = NULL; |
919 | } |
920 | |
921 | if (sc->sc_scowr[i].xfer != NULL) { |
922 | usbd_destroy_xfer(sc->sc_scowr[i].xfer); |
923 | sc->sc_scowr[i].xfer = NULL; |
924 | sc->sc_scowr[i].buf = NULL; |
925 | } |
926 | } |
927 | |
928 | if (sc->sc_evt_pipe != NULL) { |
929 | usbd_close_pipe(sc->sc_evt_pipe); |
930 | sc->sc_evt_pipe = NULL; |
931 | } |
932 | |
933 | if (sc->sc_aclrd_pipe != NULL) { |
934 | usbd_close_pipe(sc->sc_aclrd_pipe); |
935 | sc->sc_aclrd_pipe = NULL; |
936 | } |
937 | |
938 | if (sc->sc_aclwr_pipe != NULL) { |
939 | usbd_close_pipe(sc->sc_aclwr_pipe); |
940 | sc->sc_aclwr_pipe = NULL; |
941 | } |
942 | |
943 | if (sc->sc_scord_pipe != NULL) { |
944 | usbd_close_pipe(sc->sc_scord_pipe); |
945 | sc->sc_scord_pipe = NULL; |
946 | } |
947 | |
948 | if (sc->sc_scowr_pipe != NULL) { |
949 | usbd_close_pipe(sc->sc_scowr_pipe); |
950 | sc->sc_scowr_pipe = NULL; |
951 | } |
952 | |
953 | /* Free partial SCO packets */ |
954 | if (sc->sc_scord_mbuf != NULL) { |
955 | m_freem(sc->sc_scord_mbuf); |
956 | sc->sc_scord_mbuf = NULL; |
957 | } |
958 | |
959 | if (sc->sc_scowr_mbuf != NULL) { |
960 | m_freem(sc->sc_scowr_mbuf); |
961 | sc->sc_scowr_mbuf = NULL; |
962 | } |
963 | |
964 | /* Empty mbuf queues */ |
965 | MBUFQ_DRAIN(&sc->sc_cmd_queue); |
966 | MBUFQ_DRAIN(&sc->sc_aclwr_queue); |
967 | MBUFQ_DRAIN(&sc->sc_scowr_queue); |
968 | } |
969 | |
970 | /******************************************************************************* |
971 | * |
972 | * Bluetooth Unit/USB callbacks |
973 | * |
974 | */ |
975 | static int |
976 | ubt_enable(device_t self) |
977 | { |
978 | struct ubt_softc *sc = device_private(self); |
979 | usbd_status err; |
980 | int s, i, error; |
981 | |
982 | DPRINTFN(1, "sc=%p\n" , sc); |
983 | |
984 | if (sc->sc_enabled) |
985 | return 0; |
986 | |
987 | s = splusb(); |
988 | |
989 | /* Events */ |
990 | sc->sc_evt_buf = kmem_alloc(UBT_BUFSIZ_EVENT, KM_SLEEP); |
991 | if (sc->sc_evt_buf == NULL) { |
992 | error = ENOMEM; |
993 | goto bad; |
994 | } |
995 | err = usbd_open_pipe_intr(sc->sc_iface0, |
996 | sc->sc_evt_addr, |
997 | USBD_SHORT_XFER_OK, |
998 | &sc->sc_evt_pipe, |
999 | sc, |
1000 | sc->sc_evt_buf, |
1001 | UBT_BUFSIZ_EVENT, |
1002 | ubt_recv_event, |
1003 | USBD_DEFAULT_INTERVAL); |
1004 | if (err != USBD_NORMAL_COMPLETION) { |
1005 | error = EIO; |
1006 | goto bad; |
1007 | } |
1008 | |
1009 | /* Commands */ |
1010 | struct usbd_pipe *pipe0 = usbd_get_pipe0(sc->sc_udev); |
1011 | error = usbd_create_xfer(pipe0, UBT_BUFSIZ_CMD, 0, 0, |
1012 | &sc->sc_cmd_xfer); |
1013 | if (error) |
1014 | goto bad; |
1015 | sc->sc_cmd_buf = usbd_get_buffer(sc->sc_cmd_xfer); |
1016 | sc->sc_cmd_busy = 0; |
1017 | |
1018 | /* ACL read */ |
1019 | err = usbd_open_pipe(sc->sc_iface0, sc->sc_aclrd_addr, |
1020 | USBD_EXCLUSIVE_USE, &sc->sc_aclrd_pipe); |
1021 | if (err != USBD_NORMAL_COMPLETION) { |
1022 | error = EIO; |
1023 | goto bad; |
1024 | } |
1025 | error = usbd_create_xfer(sc->sc_aclrd_pipe, UBT_BUFSIZ_ACL, |
1026 | USBD_SHORT_XFER_OK, 0, &sc->sc_aclrd_xfer); |
1027 | if (error) |
1028 | goto bad; |
1029 | sc->sc_aclrd_buf = usbd_get_buffer(sc->sc_aclrd_xfer); |
1030 | sc->sc_aclrd_busy = 0; |
1031 | ubt_recv_acl_start(sc); |
1032 | |
1033 | /* ACL write */ |
1034 | err = usbd_open_pipe(sc->sc_iface0, sc->sc_aclwr_addr, |
1035 | USBD_EXCLUSIVE_USE, &sc->sc_aclwr_pipe); |
1036 | if (err != USBD_NORMAL_COMPLETION) { |
1037 | error = EIO; |
1038 | goto bad; |
1039 | } |
1040 | error = usbd_create_xfer(sc->sc_aclwr_pipe, UBT_BUFSIZ_ACL, |
1041 | USBD_FORCE_SHORT_XFER, 0, &sc->sc_aclwr_xfer); |
1042 | if (error) |
1043 | goto bad; |
1044 | sc->sc_aclwr_buf = usbd_get_buffer(sc->sc_aclwr_xfer); |
1045 | sc->sc_aclwr_busy = 0; |
1046 | |
1047 | /* SCO read */ |
1048 | if (sc->sc_scord_size > 0) { |
1049 | err = usbd_open_pipe(sc->sc_iface1, sc->sc_scord_addr, |
1050 | USBD_EXCLUSIVE_USE, &sc->sc_scord_pipe); |
1051 | if (err != USBD_NORMAL_COMPLETION) { |
1052 | error = EIO; |
1053 | goto bad; |
1054 | } |
1055 | |
1056 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
1057 | error = usbd_create_xfer(sc->sc_scord_pipe, |
1058 | sc->sc_scord_size * UBT_NFRAMES, |
1059 | USBD_SHORT_XFER_OK, UBT_NFRAMES, |
1060 | &sc->sc_scord[i].xfer); |
1061 | if (error) |
1062 | goto bad; |
1063 | |
1064 | sc->sc_scord[i].buf = |
1065 | usbd_get_buffer(sc->sc_scord[i].xfer); |
1066 | sc->sc_scord[i].softc = sc; |
1067 | sc->sc_scord[i].busy = 0; |
1068 | ubt_recv_sco_start1(sc, &sc->sc_scord[i]); |
1069 | } |
1070 | } |
1071 | |
1072 | /* SCO write */ |
1073 | if (sc->sc_scowr_size > 0) { |
1074 | err = usbd_open_pipe(sc->sc_iface1, sc->sc_scowr_addr, |
1075 | USBD_EXCLUSIVE_USE, &sc->sc_scowr_pipe); |
1076 | if (err != USBD_NORMAL_COMPLETION) { |
1077 | error = EIO; |
1078 | goto bad; |
1079 | } |
1080 | |
1081 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
1082 | error = usbd_create_xfer(sc->sc_scowr_pipe, |
1083 | sc->sc_scowr_size * UBT_NFRAMES, |
1084 | USBD_FORCE_SHORT_XFER, UBT_NFRAMES, |
1085 | &sc->sc_scowr[i].xfer); |
1086 | if (error) |
1087 | goto bad; |
1088 | sc->sc_scowr[i].buf = |
1089 | usbd_get_buffer(sc->sc_scowr[i].xfer); |
1090 | sc->sc_scowr[i].softc = sc; |
1091 | sc->sc_scowr[i].busy = 0; |
1092 | } |
1093 | |
1094 | sc->sc_scowr_busy = 0; |
1095 | } |
1096 | |
1097 | sc->sc_enabled = 1; |
1098 | splx(s); |
1099 | return 0; |
1100 | |
1101 | bad: |
1102 | ubt_abortdealloc(sc); |
1103 | splx(s); |
1104 | return error; |
1105 | } |
1106 | |
1107 | static void |
1108 | ubt_disable(device_t self) |
1109 | { |
1110 | struct ubt_softc *sc = device_private(self); |
1111 | int s; |
1112 | |
1113 | DPRINTFN(1, "sc=%p\n" , sc); |
1114 | |
1115 | if (sc->sc_enabled == 0) |
1116 | return; |
1117 | |
1118 | s = splusb(); |
1119 | ubt_abortdealloc(sc); |
1120 | |
1121 | sc->sc_enabled = 0; |
1122 | splx(s); |
1123 | } |
1124 | |
1125 | static void |
1126 | ubt_xmit_cmd(device_t self, struct mbuf *m) |
1127 | { |
1128 | struct ubt_softc *sc = device_private(self); |
1129 | int s; |
1130 | |
1131 | KASSERT(sc->sc_enabled); |
1132 | |
1133 | s = splusb(); |
1134 | MBUFQ_ENQUEUE(&sc->sc_cmd_queue, m); |
1135 | |
1136 | if (sc->sc_cmd_busy == 0) |
1137 | ubt_xmit_cmd_start(sc); |
1138 | |
1139 | splx(s); |
1140 | } |
1141 | |
1142 | static void |
1143 | ubt_xmit_cmd_start(struct ubt_softc *sc) |
1144 | { |
1145 | usb_device_request_t req; |
1146 | usbd_status status; |
1147 | struct mbuf *m; |
1148 | int len; |
1149 | |
1150 | if (sc->sc_dying) |
1151 | return; |
1152 | |
1153 | if (MBUFQ_FIRST(&sc->sc_cmd_queue) == NULL) |
1154 | return; |
1155 | |
1156 | MBUFQ_DEQUEUE(&sc->sc_cmd_queue, m); |
1157 | KASSERT(m != NULL); |
1158 | |
1159 | DPRINTFN(15, "%s: xmit CMD packet (%d bytes)\n" , |
1160 | device_xname(sc->sc_dev), m->m_pkthdr.len); |
1161 | |
1162 | sc->sc_refcnt++; |
1163 | sc->sc_cmd_busy = 1; |
1164 | |
1165 | len = m->m_pkthdr.len - 1; |
1166 | m_copydata(m, 1, len, sc->sc_cmd_buf); |
1167 | m_freem(m); |
1168 | |
1169 | memset(&req, 0, sizeof(req)); |
1170 | req.bmRequestType = UT_WRITE_CLASS_DEVICE; |
1171 | USETW(req.wLength, len); |
1172 | |
1173 | usbd_setup_default_xfer(sc->sc_cmd_xfer, |
1174 | sc->sc_udev, |
1175 | sc, |
1176 | UBT_CMD_TIMEOUT, |
1177 | &req, |
1178 | sc->sc_cmd_buf, |
1179 | len, |
1180 | USBD_FORCE_SHORT_XFER, |
1181 | ubt_xmit_cmd_complete); |
1182 | |
1183 | status = usbd_transfer(sc->sc_cmd_xfer); |
1184 | |
1185 | KASSERT(status != USBD_NORMAL_COMPLETION); |
1186 | |
1187 | if (status != USBD_IN_PROGRESS) { |
1188 | DPRINTF("usbd_transfer status=%s (%d)\n" , |
1189 | usbd_errstr(status), status); |
1190 | |
1191 | sc->sc_refcnt--; |
1192 | sc->sc_cmd_busy = 0; |
1193 | } |
1194 | } |
1195 | |
1196 | static void |
1197 | ubt_xmit_cmd_complete(struct usbd_xfer *xfer, |
1198 | void * h, usbd_status status) |
1199 | { |
1200 | struct ubt_softc *sc = h; |
1201 | uint32_t count; |
1202 | |
1203 | DPRINTFN(15, "%s: CMD complete status=%s (%d)\n" , |
1204 | device_xname(sc->sc_dev), usbd_errstr(status), status); |
1205 | |
1206 | sc->sc_cmd_busy = 0; |
1207 | |
1208 | if (--sc->sc_refcnt < 0) { |
1209 | DPRINTF("sc_refcnt=%d\n" , sc->sc_refcnt); |
1210 | usb_detach_wakeupold(sc->sc_dev); |
1211 | return; |
1212 | } |
1213 | |
1214 | if (sc->sc_dying) { |
1215 | DPRINTF("sc_dying\n" ); |
1216 | return; |
1217 | } |
1218 | |
1219 | if (status != USBD_NORMAL_COMPLETION) { |
1220 | DPRINTF("status=%s (%d)\n" , |
1221 | usbd_errstr(status), status); |
1222 | |
1223 | sc->sc_stats.err_tx++; |
1224 | return; |
1225 | } |
1226 | |
1227 | usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); |
1228 | sc->sc_stats.cmd_tx++; |
1229 | sc->sc_stats.byte_tx += count; |
1230 | |
1231 | ubt_xmit_cmd_start(sc); |
1232 | } |
1233 | |
1234 | static void |
1235 | ubt_xmit_acl(device_t self, struct mbuf *m) |
1236 | { |
1237 | struct ubt_softc *sc = device_private(self); |
1238 | int s; |
1239 | |
1240 | KASSERT(sc->sc_enabled); |
1241 | |
1242 | s = splusb(); |
1243 | MBUFQ_ENQUEUE(&sc->sc_aclwr_queue, m); |
1244 | |
1245 | if (sc->sc_aclwr_busy == 0) |
1246 | ubt_xmit_acl_start(sc); |
1247 | |
1248 | splx(s); |
1249 | } |
1250 | |
1251 | static void |
1252 | ubt_xmit_acl_start(struct ubt_softc *sc) |
1253 | { |
1254 | struct mbuf *m; |
1255 | usbd_status status; |
1256 | int len; |
1257 | |
1258 | if (sc->sc_dying) |
1259 | return; |
1260 | |
1261 | if (MBUFQ_FIRST(&sc->sc_aclwr_queue) == NULL) |
1262 | return; |
1263 | |
1264 | sc->sc_refcnt++; |
1265 | sc->sc_aclwr_busy = 1; |
1266 | |
1267 | MBUFQ_DEQUEUE(&sc->sc_aclwr_queue, m); |
1268 | KASSERT(m != NULL); |
1269 | |
1270 | DPRINTFN(15, "%s: xmit ACL packet (%d bytes)\n" , |
1271 | device_xname(sc->sc_dev), m->m_pkthdr.len); |
1272 | |
1273 | len = m->m_pkthdr.len - 1; |
1274 | if (len > UBT_BUFSIZ_ACL) { |
1275 | DPRINTF("%s: truncating ACL packet (%d => %d)!\n" , |
1276 | device_xname(sc->sc_dev), len, UBT_BUFSIZ_ACL); |
1277 | |
1278 | len = UBT_BUFSIZ_ACL; |
1279 | } |
1280 | |
1281 | m_copydata(m, 1, len, sc->sc_aclwr_buf); |
1282 | m_freem(m); |
1283 | |
1284 | sc->sc_stats.acl_tx++; |
1285 | sc->sc_stats.byte_tx += len; |
1286 | |
1287 | usbd_setup_xfer(sc->sc_aclwr_xfer, |
1288 | sc, |
1289 | sc->sc_aclwr_buf, |
1290 | len, |
1291 | USBD_FORCE_SHORT_XFER, |
1292 | UBT_ACL_TIMEOUT, |
1293 | ubt_xmit_acl_complete); |
1294 | |
1295 | status = usbd_transfer(sc->sc_aclwr_xfer); |
1296 | |
1297 | KASSERT(status != USBD_NORMAL_COMPLETION); |
1298 | |
1299 | if (status != USBD_IN_PROGRESS) { |
1300 | DPRINTF("usbd_transfer status=%s (%d)\n" , |
1301 | usbd_errstr(status), status); |
1302 | |
1303 | sc->sc_refcnt--; |
1304 | sc->sc_aclwr_busy = 0; |
1305 | } |
1306 | } |
1307 | |
1308 | static void |
1309 | ubt_xmit_acl_complete(struct usbd_xfer *xfer, |
1310 | void * h, usbd_status status) |
1311 | { |
1312 | struct ubt_softc *sc = h; |
1313 | |
1314 | DPRINTFN(15, "%s: ACL complete status=%s (%d)\n" , |
1315 | device_xname(sc->sc_dev), usbd_errstr(status), status); |
1316 | |
1317 | sc->sc_aclwr_busy = 0; |
1318 | |
1319 | if (--sc->sc_refcnt < 0) { |
1320 | usb_detach_wakeupold(sc->sc_dev); |
1321 | return; |
1322 | } |
1323 | |
1324 | if (sc->sc_dying) |
1325 | return; |
1326 | |
1327 | if (status != USBD_NORMAL_COMPLETION) { |
1328 | DPRINTF("status=%s (%d)\n" , |
1329 | usbd_errstr(status), status); |
1330 | |
1331 | sc->sc_stats.err_tx++; |
1332 | |
1333 | if (status == USBD_STALLED) |
1334 | usbd_clear_endpoint_stall_async(sc->sc_aclwr_pipe); |
1335 | else |
1336 | return; |
1337 | } |
1338 | |
1339 | ubt_xmit_acl_start(sc); |
1340 | } |
1341 | |
1342 | static void |
1343 | ubt_xmit_sco(device_t self, struct mbuf *m) |
1344 | { |
1345 | struct ubt_softc *sc = device_private(self); |
1346 | int s; |
1347 | |
1348 | KASSERT(sc->sc_enabled); |
1349 | |
1350 | s = splusb(); |
1351 | MBUFQ_ENQUEUE(&sc->sc_scowr_queue, m); |
1352 | |
1353 | if (sc->sc_scowr_busy == 0) |
1354 | ubt_xmit_sco_start(sc); |
1355 | |
1356 | splx(s); |
1357 | } |
1358 | |
1359 | static void |
1360 | ubt_xmit_sco_start(struct ubt_softc *sc) |
1361 | { |
1362 | int i; |
1363 | |
1364 | if (sc->sc_dying || sc->sc_scowr_size == 0) |
1365 | return; |
1366 | |
1367 | for (i = 0 ; i < UBT_NXFERS ; i++) { |
1368 | if (sc->sc_scowr[i].busy) |
1369 | continue; |
1370 | |
1371 | ubt_xmit_sco_start1(sc, &sc->sc_scowr[i]); |
1372 | } |
1373 | } |
1374 | |
1375 | static void |
1376 | ubt_xmit_sco_start1(struct ubt_softc *sc, struct ubt_isoc_xfer *isoc) |
1377 | { |
1378 | struct mbuf *m; |
1379 | uint8_t *buf; |
1380 | int num, len, size, space; |
1381 | |
1382 | space = sc->sc_scowr_size * UBT_NFRAMES; |
1383 | buf = isoc->buf; |
1384 | len = 0; |
1385 | |
1386 | /* |
1387 | * Fill the request buffer with data from the queue, |
1388 | * keeping any leftover packet on our private hook. |
1389 | * |
1390 | * Complete packets are passed back up to the stack |
1391 | * for disposal, since we can't rely on the controller |
1392 | * to tell us when it has finished with them. |
1393 | */ |
1394 | |
1395 | m = sc->sc_scowr_mbuf; |
1396 | while (space > 0) { |
1397 | if (m == NULL) { |
1398 | MBUFQ_DEQUEUE(&sc->sc_scowr_queue, m); |
1399 | if (m == NULL) |
1400 | break; |
1401 | |
1402 | m_adj(m, 1); /* packet type */ |
1403 | } |
1404 | |
1405 | if (m->m_pkthdr.len > 0) { |
1406 | size = MIN(m->m_pkthdr.len, space); |
1407 | |
1408 | m_copydata(m, 0, size, buf); |
1409 | m_adj(m, size); |
1410 | |
1411 | buf += size; |
1412 | len += size; |
1413 | space -= size; |
1414 | } |
1415 | |
1416 | if (m->m_pkthdr.len == 0) { |
1417 | sc->sc_stats.sco_tx++; |
1418 | if (!hci_complete_sco(sc->sc_unit, m)) |
1419 | sc->sc_stats.err_tx++; |
1420 | |
1421 | m = NULL; |
1422 | } |
1423 | } |
1424 | sc->sc_scowr_mbuf = m; |
1425 | |
1426 | DPRINTFN(15, "isoc=%p, len=%d, space=%d\n" , isoc, len, space); |
1427 | |
1428 | if (len == 0) /* nothing to send */ |
1429 | return; |
1430 | |
1431 | sc->sc_refcnt++; |
1432 | sc->sc_scowr_busy = 1; |
1433 | sc->sc_stats.byte_tx += len; |
1434 | isoc->busy = 1; |
1435 | |
1436 | /* |
1437 | * calculate number of isoc frames and sizes |
1438 | */ |
1439 | |
1440 | for (num = 0 ; len > 0 ; num++) { |
1441 | size = MIN(sc->sc_scowr_size, len); |
1442 | |
1443 | isoc->size[num] = size; |
1444 | len -= size; |
1445 | } |
1446 | |
1447 | usbd_setup_isoc_xfer(isoc->xfer, |
1448 | isoc, |
1449 | isoc->size, |
1450 | num, |
1451 | USBD_FORCE_SHORT_XFER, |
1452 | ubt_xmit_sco_complete); |
1453 | |
1454 | usbd_transfer(isoc->xfer); |
1455 | } |
1456 | |
1457 | static void |
1458 | ubt_xmit_sco_complete(struct usbd_xfer *xfer, |
1459 | void * h, usbd_status status) |
1460 | { |
1461 | struct ubt_isoc_xfer *isoc = h; |
1462 | struct ubt_softc *sc; |
1463 | int i; |
1464 | |
1465 | KASSERT(xfer == isoc->xfer); |
1466 | sc = isoc->softc; |
1467 | |
1468 | DPRINTFN(15, "isoc=%p, status=%s (%d)\n" , |
1469 | isoc, usbd_errstr(status), status); |
1470 | |
1471 | isoc->busy = 0; |
1472 | |
1473 | for (i = 0 ; ; i++) { |
1474 | if (i == UBT_NXFERS) { |
1475 | sc->sc_scowr_busy = 0; |
1476 | break; |
1477 | } |
1478 | |
1479 | if (sc->sc_scowr[i].busy) |
1480 | break; |
1481 | } |
1482 | |
1483 | if (--sc->sc_refcnt < 0) { |
1484 | usb_detach_wakeupold(sc->sc_dev); |
1485 | return; |
1486 | } |
1487 | |
1488 | if (sc->sc_dying) |
1489 | return; |
1490 | |
1491 | if (status != USBD_NORMAL_COMPLETION) { |
1492 | DPRINTF("status=%s (%d)\n" , |
1493 | usbd_errstr(status), status); |
1494 | |
1495 | sc->sc_stats.err_tx++; |
1496 | |
1497 | if (status == USBD_STALLED) |
1498 | usbd_clear_endpoint_stall_async(sc->sc_scowr_pipe); |
1499 | else |
1500 | return; |
1501 | } |
1502 | |
1503 | ubt_xmit_sco_start(sc); |
1504 | } |
1505 | |
1506 | /* |
1507 | * load incoming data into an mbuf with |
1508 | * leading type byte |
1509 | */ |
1510 | static struct mbuf * |
1511 | ubt_mbufload(uint8_t *buf, int count, uint8_t type) |
1512 | { |
1513 | struct mbuf *m; |
1514 | |
1515 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
1516 | if (m == NULL) |
1517 | return NULL; |
1518 | |
1519 | *mtod(m, uint8_t *) = type; |
1520 | m->m_pkthdr.len = m->m_len = MHLEN; |
1521 | m_copyback(m, 1, count, buf); // (extends if necessary) |
1522 | if (m->m_pkthdr.len != MAX(MHLEN, count + 1)) { |
1523 | m_free(m); |
1524 | return NULL; |
1525 | } |
1526 | |
1527 | m->m_pkthdr.len = count + 1; |
1528 | m->m_len = MIN(MHLEN, m->m_pkthdr.len); |
1529 | |
1530 | return m; |
1531 | } |
1532 | |
1533 | static void |
1534 | ubt_recv_event(struct usbd_xfer *xfer, void * h, usbd_status status) |
1535 | { |
1536 | struct ubt_softc *sc = h; |
1537 | struct mbuf *m; |
1538 | uint32_t count; |
1539 | void *buf; |
1540 | |
1541 | DPRINTFN(15, "sc=%p status=%s (%d)\n" , |
1542 | sc, usbd_errstr(status), status); |
1543 | |
1544 | if (status != USBD_NORMAL_COMPLETION || sc->sc_dying) |
1545 | return; |
1546 | |
1547 | usbd_get_xfer_status(xfer, NULL, &buf, &count, NULL); |
1548 | |
1549 | if (count < sizeof(hci_event_hdr_t) - 1) { |
1550 | DPRINTF("dumped undersized event (count = %d)\n" , count); |
1551 | sc->sc_stats.err_rx++; |
1552 | return; |
1553 | } |
1554 | |
1555 | sc->sc_stats.evt_rx++; |
1556 | sc->sc_stats.byte_rx += count; |
1557 | |
1558 | m = ubt_mbufload(buf, count, HCI_EVENT_PKT); |
1559 | if (m == NULL || !hci_input_event(sc->sc_unit, m)) |
1560 | sc->sc_stats.err_rx++; |
1561 | } |
1562 | |
1563 | static void |
1564 | ubt_recv_acl_start(struct ubt_softc *sc) |
1565 | { |
1566 | usbd_status status; |
1567 | |
1568 | DPRINTFN(15, "sc=%p\n" , sc); |
1569 | |
1570 | if (sc->sc_aclrd_busy || sc->sc_dying) { |
1571 | DPRINTF("sc_aclrd_busy=%d, sc_dying=%d\n" , |
1572 | sc->sc_aclrd_busy, |
1573 | sc->sc_dying); |
1574 | |
1575 | return; |
1576 | } |
1577 | |
1578 | sc->sc_refcnt++; |
1579 | sc->sc_aclrd_busy = 1; |
1580 | |
1581 | usbd_setup_xfer(sc->sc_aclrd_xfer, |
1582 | sc, |
1583 | sc->sc_aclrd_buf, |
1584 | UBT_BUFSIZ_ACL, |
1585 | USBD_SHORT_XFER_OK, |
1586 | USBD_NO_TIMEOUT, |
1587 | ubt_recv_acl_complete); |
1588 | |
1589 | status = usbd_transfer(sc->sc_aclrd_xfer); |
1590 | |
1591 | KASSERT(status != USBD_NORMAL_COMPLETION); |
1592 | |
1593 | if (status != USBD_IN_PROGRESS) { |
1594 | DPRINTF("usbd_transfer status=%s (%d)\n" , |
1595 | usbd_errstr(status), status); |
1596 | |
1597 | sc->sc_refcnt--; |
1598 | sc->sc_aclrd_busy = 0; |
1599 | } |
1600 | } |
1601 | |
1602 | static void |
1603 | ubt_recv_acl_complete(struct usbd_xfer *xfer, |
1604 | void * h, usbd_status status) |
1605 | { |
1606 | struct ubt_softc *sc = h; |
1607 | struct mbuf *m; |
1608 | uint32_t count; |
1609 | void *buf; |
1610 | |
1611 | DPRINTFN(15, "sc=%p status=%s (%d)\n" , |
1612 | sc, usbd_errstr(status), status); |
1613 | |
1614 | sc->sc_aclrd_busy = 0; |
1615 | |
1616 | if (--sc->sc_refcnt < 0) { |
1617 | DPRINTF("refcnt = %d\n" , sc->sc_refcnt); |
1618 | usb_detach_wakeupold(sc->sc_dev); |
1619 | return; |
1620 | } |
1621 | |
1622 | if (sc->sc_dying) { |
1623 | DPRINTF("sc_dying\n" ); |
1624 | return; |
1625 | } |
1626 | |
1627 | if (status != USBD_NORMAL_COMPLETION) { |
1628 | DPRINTF("status=%s (%d)\n" , |
1629 | usbd_errstr(status), status); |
1630 | |
1631 | sc->sc_stats.err_rx++; |
1632 | |
1633 | if (status == USBD_STALLED) |
1634 | usbd_clear_endpoint_stall_async(sc->sc_aclrd_pipe); |
1635 | else |
1636 | return; |
1637 | } else { |
1638 | usbd_get_xfer_status(xfer, NULL, &buf, &count, NULL); |
1639 | |
1640 | if (count < sizeof(hci_acldata_hdr_t) - 1) { |
1641 | DPRINTF("dumped undersized packet (%d)\n" , count); |
1642 | sc->sc_stats.err_rx++; |
1643 | } else { |
1644 | sc->sc_stats.acl_rx++; |
1645 | sc->sc_stats.byte_rx += count; |
1646 | |
1647 | m = ubt_mbufload(buf, count, HCI_ACL_DATA_PKT); |
1648 | if (m == NULL || !hci_input_acl(sc->sc_unit, m)) |
1649 | sc->sc_stats.err_rx++; |
1650 | } |
1651 | } |
1652 | |
1653 | /* and restart */ |
1654 | ubt_recv_acl_start(sc); |
1655 | } |
1656 | |
1657 | static void |
1658 | ubt_recv_sco_start1(struct ubt_softc *sc, struct ubt_isoc_xfer *isoc) |
1659 | { |
1660 | int i; |
1661 | |
1662 | DPRINTFN(15, "sc=%p, isoc=%p\n" , sc, isoc); |
1663 | |
1664 | if (isoc->busy || sc->sc_dying || sc->sc_scord_size == 0) { |
1665 | DPRINTF("%s%s%s\n" , |
1666 | isoc->busy ? " busy" : "" , |
1667 | sc->sc_dying ? " dying" : "" , |
1668 | sc->sc_scord_size == 0 ? " size=0" : "" ); |
1669 | |
1670 | return; |
1671 | } |
1672 | |
1673 | sc->sc_refcnt++; |
1674 | isoc->busy = 1; |
1675 | |
1676 | for (i = 0 ; i < UBT_NFRAMES ; i++) |
1677 | isoc->size[i] = sc->sc_scord_size; |
1678 | |
1679 | usbd_setup_isoc_xfer(isoc->xfer, |
1680 | isoc, |
1681 | isoc->size, |
1682 | UBT_NFRAMES, |
1683 | USBD_SHORT_XFER_OK, |
1684 | ubt_recv_sco_complete); |
1685 | |
1686 | usbd_transfer(isoc->xfer); |
1687 | } |
1688 | |
1689 | static void |
1690 | ubt_recv_sco_complete(struct usbd_xfer *xfer, |
1691 | void * h, usbd_status status) |
1692 | { |
1693 | struct ubt_isoc_xfer *isoc = h; |
1694 | struct ubt_softc *sc; |
1695 | struct mbuf *m; |
1696 | uint32_t count; |
1697 | uint8_t *ptr, *frame; |
1698 | int i, size, got, want; |
1699 | |
1700 | KASSERT(isoc != NULL); |
1701 | KASSERT(isoc->xfer == xfer); |
1702 | |
1703 | sc = isoc->softc; |
1704 | isoc->busy = 0; |
1705 | |
1706 | if (--sc->sc_refcnt < 0) { |
1707 | DPRINTF("refcnt=%d\n" , sc->sc_refcnt); |
1708 | usb_detach_wakeupold(sc->sc_dev); |
1709 | return; |
1710 | } |
1711 | |
1712 | if (sc->sc_dying) { |
1713 | DPRINTF("sc_dying\n" ); |
1714 | return; |
1715 | } |
1716 | |
1717 | if (status != USBD_NORMAL_COMPLETION) { |
1718 | DPRINTF("status=%s (%d)\n" , |
1719 | usbd_errstr(status), status); |
1720 | |
1721 | sc->sc_stats.err_rx++; |
1722 | |
1723 | if (status == USBD_STALLED) { |
1724 | usbd_clear_endpoint_stall_async(sc->sc_scord_pipe); |
1725 | goto restart; |
1726 | } |
1727 | |
1728 | return; |
1729 | } |
1730 | |
1731 | usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL); |
1732 | if (count == 0) |
1733 | goto restart; |
1734 | |
1735 | DPRINTFN(15, "sc=%p, isoc=%p, count=%u\n" , |
1736 | sc, isoc, count); |
1737 | |
1738 | sc->sc_stats.byte_rx += count; |
1739 | |
1740 | /* |
1741 | * Extract SCO packets from ISOC frames. The way we have it, |
1742 | * no SCO packet can be bigger than MHLEN. This is unlikely |
1743 | * to actually happen, but if we ran out of mbufs and lost |
1744 | * sync then we may get spurious data that makes it seem that |
1745 | * way, so we discard data that wont fit. This doesnt really |
1746 | * help with the lost sync situation alas. |
1747 | */ |
1748 | |
1749 | m = sc->sc_scord_mbuf; |
1750 | if (m != NULL) { |
1751 | sc->sc_scord_mbuf = NULL; |
1752 | ptr = mtod(m, uint8_t *) + m->m_pkthdr.len; |
1753 | got = m->m_pkthdr.len; |
1754 | want = sizeof(hci_scodata_hdr_t); |
1755 | if (got >= want) |
1756 | want += mtod(m, hci_scodata_hdr_t *)->length ; |
1757 | } else { |
1758 | ptr = NULL; |
1759 | got = 0; |
1760 | want = 0; |
1761 | } |
1762 | |
1763 | for (i = 0 ; i < UBT_NFRAMES ; i++) { |
1764 | frame = isoc->buf + (i * sc->sc_scord_size); |
1765 | |
1766 | while (isoc->size[i] > 0) { |
1767 | size = isoc->size[i]; |
1768 | |
1769 | if (m == NULL) { |
1770 | MGETHDR(m, M_DONTWAIT, MT_DATA); |
1771 | if (m == NULL) { |
1772 | aprint_error_dev(sc->sc_dev, |
1773 | "out of memory (xfer halted)\n" ); |
1774 | |
1775 | sc->sc_stats.err_rx++; |
1776 | return; /* lost sync */ |
1777 | } |
1778 | |
1779 | ptr = mtod(m, uint8_t *); |
1780 | *ptr++ = HCI_SCO_DATA_PKT; |
1781 | got = 1; |
1782 | want = sizeof(hci_scodata_hdr_t); |
1783 | } |
1784 | |
1785 | if (got + size > want) |
1786 | size = want - got; |
1787 | |
1788 | memcpy(ptr, frame, size); |
1789 | |
1790 | ptr += size; |
1791 | got += size; |
1792 | frame += size; |
1793 | |
1794 | if (got == want) { |
1795 | /* |
1796 | * If we only got a header, add the packet |
1797 | * length to our want count. Send complete |
1798 | * packets up to protocol stack. |
1799 | */ |
1800 | if (want == sizeof(hci_scodata_hdr_t)) { |
1801 | uint32_t len = |
1802 | mtod(m, hci_scodata_hdr_t *)->length; |
1803 | want += len; |
1804 | if (len == 0 || want > MHLEN) { |
1805 | aprint_error_dev(sc->sc_dev, |
1806 | "packet too large %u " |
1807 | "(lost sync)\n" , len); |
1808 | sc->sc_stats.err_rx++; |
1809 | return; |
1810 | } |
1811 | } |
1812 | |
1813 | if (got == want) { |
1814 | m->m_pkthdr.len = m->m_len = got; |
1815 | sc->sc_stats.sco_rx++; |
1816 | if (!hci_input_sco(sc->sc_unit, m)) |
1817 | sc->sc_stats.err_rx++; |
1818 | |
1819 | m = NULL; |
1820 | } |
1821 | } |
1822 | |
1823 | isoc->size[i] -= size; |
1824 | } |
1825 | } |
1826 | |
1827 | if (m != NULL) { |
1828 | m->m_pkthdr.len = m->m_len = got; |
1829 | sc->sc_scord_mbuf = m; |
1830 | } |
1831 | |
1832 | restart: /* and restart */ |
1833 | ubt_recv_sco_start1(sc, isoc); |
1834 | } |
1835 | |
1836 | void |
1837 | ubt_stats(device_t self, struct bt_stats *dest, int flush) |
1838 | { |
1839 | struct ubt_softc *sc = device_private(self); |
1840 | int s; |
1841 | |
1842 | s = splusb(); |
1843 | memcpy(dest, &sc->sc_stats, sizeof(struct bt_stats)); |
1844 | |
1845 | if (flush) |
1846 | memset(&sc->sc_stats, 0, sizeof(struct bt_stats)); |
1847 | |
1848 | splx(s); |
1849 | } |
1850 | |