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History log of /src/sys/dev/bluetooth/btsco.c
RevisionDateAuthorComments
 1.43  05-Jul-2024  rin sys: Drop redundant NULL check before m_freem(9)

m_freem(9) safely has accepted NULL argument at least since 4.2BSD:
https://www.tuhs.org/cgi-bin/utree.pl?file=4.2BSD/usr/src/sys/sys/uipc_mbuf.c

Compile-tested on amd64/ALL.

Suggested by knakahara@
 1.42  11-Jun-2020  thorpej Update for proplib(3) API changes.
 1.41  08-Jun-2019  isaki Clean get_props().
- Make get_props() return AUDIO_PROP_{PLAYBACK,CAPTURE} properly.
This eliminates need for audio.c to take care of such (old)
drivers which don't return both of PLAYBACK and CAPTURE.
- All get_props() doesn't need to return AUDIO_PROP_MMAP.
It is handled in the audio layer now.
 1.40  25-May-2019  isaki Make it compilable even with debug option.
 1.39  08-May-2019  isaki Merge isaki-audio2 branch, the overhaul of audio subsystem.
- Interrupt-oriented system rather than thread-oriented.
- Improve stability, quality and performance.
- Split playback and record cleanly. Improve halfduplex support.
- Many bugs are fixed including deadlocks, resource leaks, abuses, etc.
- Simplify audio filter mechanism. The encoding/channels/frequency
conversions are completely handled in the upper layer. So the hard-
ware driver only converts its hardware encoding (if necessary).
- audio_hw_if changes:
- Obsoletes query_encoding and add query_format instead.
- Obsoletes set_params and add set_format instead.
- Remove drain, setfd, mappage.
- The call sequences are changed.
- ioctl AUDIO_GETFD/SETFD, AUDIO_GETCHAN/SETCHAN are obsoleted.
- ioctl AUDIO_{QUERY,GET,SET}FORMAT are introduced.
- cleanup config attributes: au*conv and mulaw.
- All hardware drivers should follow it (I've done as much as possible).

Some file paths are changed:
- dev/audio.c -> dev/audio/audio.c (rewritten)
- dev/audiovar.h -> dev/audio/audiovar.h
- dev/audio_dai.h -> dev/audio/audio_dai.h
- dev/audio_if.h -> dev/audio/audio_if.h
- dev/audiobell.c -> dev/audio/audiobell.c
- dev/audiobellvar.h -> dev/audio/audiobellvar.h
- dev/mulaw.[ch] -> dev/audio/mulaw.[ch] + dev/audio/alaw.c
 1.38  16-Mar-2019  isaki branches: 1.38.2;
Use C99 style struct initializer to audio_hw_if.
 1.37  03-Feb-2019  mrg - add or adjust /* FALLTHROUGH */ where appropriate
- add __unreachable() after functions that can return but won't in
this case, and thus can't be marked __dead easily
 1.36  01-Jun-2017  chs branches: 1.36.10;
remove checks for failure after memory allocation calls that cannot fail:

kmem_alloc() with KM_SLEEP
kmem_zalloc() with KM_SLEEP
percpu_alloc()
pserialize_create()
psref_class_create()

all of these paths include an assertion that the allocation has not failed,
so callers should not assert that again.
 1.35  28-May-2017  nat bt_lock is now used as the audio interrupt lock. This is more appropriate
as the interrupt lock deals with the hardware.

btsco audio works again with the new audio changes.
 1.34  10-Jul-2015  nat Wrap up calls to softint_schedule in kpeempt_[dis/en]able.

Addresses PR kern/48459.

This commit was approved by christos@
 1.33  05-Aug-2014  rtr branches: 1.33.4;
split PRU_SEND function out of pr_generic() usrreq switches and put into
separate functions

xxx_send(struct socket *, struct mbuf *, struct mbuf *,
struct mbuf *, struct lwp *)

- always KASSERT(solocked(so)) even if not implemented

- replace calls to pr_generic() with req = PRU_SEND with calls to
pr_send()

rename existing functions that operate on PCB for consistency (and to
free up their names for xxx_send() PRUs

- l2cap_send() -> l2cap_send_pcb()
- sco_send() -> sco_send_pcb()
- rfcomm_send() -> rfcomm_send_pcb()

patch reviewed by rmind
 1.32  31-Jul-2014  rtr split PRU_DISCONNECT, PRU_SHUTDOWN and PRU_ABORT function out of
pr_generic() usrreq switches and put into separate functions

xxx_disconnect(struct socket *)
xxx_shutdown(struct socket *)
xxx_abort(struct socket *)

- always KASSERT(solocked(so)) even if not implemented
- replace calls to pr_generic() with req =
PRU_{DISCONNECT,SHUTDOWN,ABORT}
with calls to pr_{disconnect,shutdown,abort}() respectively

rename existing internal functions used to implement above functionality
to permit use of the names for xxx_{disconnect,shutdown,abort}().

- {l2cap,sco,rfcomm}_disconnect() ->
{l2cap,sco,rfcomm}_disconnect_pcb()
- {unp,rip,tcp}_disconnect() -> {unp,rip,tcp}_disconnect1()
- unp_shutdown() -> unp_shutdown1()

patch reviewed by rmind
 1.31  30-Jul-2014  rtr split PRU_CONNECT function out of pr_generic() usrreq switches and put
into seaparate functions

xxx_listen(struct socket *, struct mbuf *)

- always KASSERT(solocked(so)) and KASSERT(nam != NULL)
- replace calls to pr_generic() with req = PRU_CONNECT with
pr_connect()
- rename existin {l2cap,sco,rfcomm}_connect() to
{l2cap,sco,rfcomm}_connect_pcb() respectively to permit
naming consistency with other protocols functions.
- drop struct lwp * parameter from unp_connect() and at_pcbconnect()
and use curlwp instead where appropriate.

patch reviewed by rmind
 1.30  24-Jul-2014  rtr split PRU_BIND and PRU_LISTEN function out of pr_generic() usrreq
switches and put into separate functions
xxx_bind(struct socket *, struct mbuf *)
xxx_listen(struct socket *)

- always KASSERT(solocked(so)) even if not implemented

- replace calls to pr_generic() with req = PRU_BIND with call to
pr_bind()

- replace calls to pr_generic() with req = PRU_LISTEN with call to
pr_listen()

- drop struct lwp * parameter from at_pcbsetaddr(), in_pcbbind() and
unp_bind() and always use curlwp.

rename existing functions that operate on PCB for consistency (and to
free up their names for xxx_{bind,listen}() PRUs

- l2cap_{bind,listen}() -> l2cap_{bind,listen}_pcb()
- sco_{bind,listen}() -> sco_{bind,listen}_pcb()
- rfcomm_{bind,listen}() -> rfcomm_{bind,listen}_pcb()

patch reviewed by rmind

welcome to netbsd 6.99.48
 1.29  20-May-2014  rmind netbt: rename some attach/detach functions to have _pcb suffix, so
we could use standard attach/detach naming for pr_usrreq functions.
No functional change.
 1.28  03-Apr-2012  plunky branches: 1.28.2; 1.28.12;

register/deregister pmf(9) NULL handlers for bthub(4) and
bluetooth devices which attach there, to fix PR/39006
 1.27  26-Mar-2012  mrg don't use mutex_spin*() on an IPL_NONE mutex. fixes PR#46120.
 1.26  10-Dec-2011  jmcneill branches: 1.26.2;
no need to acquire thread lock in btsco_open / btsco_close, as they are
already held by MI audio when these methods are called
 1.25  23-Nov-2011  jmcneill branches: 1.25.2;
Merge jmcneill-audiomp3 branch, which is derived from ad-audiomp2. From
the original ad-audiomp branch notes:

Add MP locking to the audio drivers.

Making the audio drivers MP safe is necessary before efforts
can be made to make the VM system MP safe.

The are two locks per device instance, an ISR lock and
a character device lock. The ISR lock replaces calls to
splaudio()/splx(), and will be held across calls to device
methods which were called at splaudio() before (e.g.
trigger_output). The character device lock is held across
calls to nearly all of the methods, excluding some only
used for initialization, e.g. get_locks.

Welcome to 5.99.57.
 1.24  16-Mar-2011  plunky branches: 1.24.4; 1.24.6;
use C99 style for variadic macro arguments
 1.23  12-May-2009  cegger branches: 1.23.4; 1.23.6;
struct cfdata * -> cfdata_t, no functional changes intended.
 1.22  06-Aug-2008  plunky branches: 1.22.6; 1.22.8;
Convert socket options code to use a sockopt structure
instead of laying everything into an mbuf.

approved by core
 1.21  23-Jun-2008  plunky branches: 1.21.2;
hold bt_lock when sending data via sco_send()
 1.20  24-Apr-2008  ad branches: 1.20.2; 1.20.4; 1.20.6;
Merge the socket locking patch:

- Socket layer becomes MP safe.
- Unix protocols become MP safe.
- Allows protocol processing interrupts to safely block on locks.
- Fixes a number of race conditions.

With much feedback from matt@ and plunky@.
 1.19  28-Mar-2008  plunky branches: 1.19.2;
Use deviter API to search for child devices.

As all identifying information is stored in the device
properties, this removes the need for child devices to
have a reserved area (struct btdev) in the softc, and
bthub(4) does no longer need to have a softc at all.
 1.18  11-Nov-2007  plunky branches: 1.18.14;
convert device printf() usages to aprint_xxxx()
 1.17  07-Nov-2007  ad Merge from vmlocking:

- pool_cache changes.
- Debugger/procfs locking fixes.
- Other minor changes.
 1.16  03-Nov-2007  plunky branches: 1.16.2;
switch devices to using CFATTACH_DECL_NEW()
softc no longer contains 'struct device' by default
use 'device_t' instead of 'struct device *'
use device_xxx() accessor functions
remove casting of 'xxx_softc *' & 'struct device *'
use aprint_xxx_dev() routines
 1.15  08-Oct-2007  ad branches: 1.15.2;
Use the softint API.
 1.14  21-Apr-2007  plunky branches: 1.14.6; 1.14.8; 1.14.10;
Add 'service level' security for L2CAP and RFCOMM connections, following
the Linux (BlueZ) API.

- L2CAP or RFCOMM connections can require the baseband radio link
mode be any of:
authenticated (devices are paired)
encrypted (implies authentication)
secured (encryption, plus generate new link key)

- for sockets, the mode is set using setsockopt(2) and the socket
connection will be aborted if the mode change fails.

- mode settings will be applied during connection establishment, and
for safety, we enter a wait state and will only proceed when the mode
settings are successfuly set.

- It is possible to change the mode on already open connections, but
not possible to guarantee that data already queued (from either end)
will not be delivered. (this is a feature, not a bug)

- bthidev(4) and rfcomm_sppd(1) support "auth", "encrypt" and
"secure" options

- btdevctl(8) by default enables "auth" for HIDs, and "encrypt" for
keyboards (which are required to support it)
 1.13  13-Mar-2007  plunky remove extraneous whitespace
 1.12  04-Mar-2007  christos branches: 1.12.2; 1.12.4;
Kill caddr_t; there will be some MI fallout, but it will be fixed shortly.
 1.11  16-Nov-2006  christos branches: 1.11.2; 1.11.4; 1.11.6; 1.11.8; 1.11.10;
__unused removal on arguments; approved by core.
 1.10  12-Oct-2006  christos - sprinkle __unused on function decls.
- fix a couple of unused bugs
- no more -Wno-unused for i386
 1.9  04-Oct-2006  plunky Internally, use the service name as the identifier for matching
 1.8  24-Sep-2006  plunky utilise auconv_set_converter() to handle the filter setup, so that its
done properly.
 1.7  24-Sep-2006  plunky adjust indentation
 1.6  23-Sep-2006  plunky guard against possible race conditions when detaching SCO pcb's
 1.5  23-Sep-2006  plunky return ENOTCONN when not connected, rather than EINVAL
 1.4  11-Sep-2006  plunky branches: 1.4.2;
btsco.c:
- sco_getopt(..., SO_SCO_MTU, ...) expects the address of a uint16_t,
not an int. So change sc_mtu's type to uint16_t.
- Try a little harder to ensure btsco_round_blocksize() does not
return zero. Prevents a subsequent panic in audio_init_ringbuffer().

from scw@
 1.3  10-Sep-2006  plunky update to bluetooth device attachment:

remove pseudo-device btdev(4) and inherent limitations

add bthub(4) which autoconfigures at bluetooth controllers as they
are enabled. bluetooth devices now attach here.

btdevctl(8) and its cache is updated to handle new semantics

etc/rc.d/btdevctl is updated to configure devices from a list
in /etc/bluetooth/btdevctl.conf
 1.2  27-Aug-2006  plunky branches: 1.2.2; 1.2.4;
BluetootH SCO Audio update.

Provide an ioctl to set the SCO mtu value in the controller and
place limits in the SCO code such that only packets of this size
may be sent.

Move the mtu option from btsco(4) and btdevctl(8), to the
btconfig(8) program.

Remove temporary BLUETOOTH_SCO kernel option, and enable SCO
socket access.

Fix incoming connection handling for btsco(4) and SCO sockets.

Fix documentation to reflect the new world order.
 1.1  26-Jul-2006  tron branches: 1.1.2; 1.1.4;
Bluetooth fixes by Iain Hibbert:
Remove bthset(4) device and add btsco(4) in its place. This is an
improved version which is not just for headsets, as it can receive
incoming connections (eg for Hands Free Profile). Update bthset(1)
control utlitiy to relate to new device.
 1.1.4.4  14-Sep-2006  yamt sync with head.
 1.1.4.3  03-Sep-2006  yamt sync with head.
 1.1.4.2  11-Aug-2006  yamt sync with head
 1.1.4.1  26-Jul-2006  yamt file btsco.c was added on branch yamt-pdpolicy on 2006-08-11 15:43:59 +0000
 1.1.2.2  14-Sep-2006  riz Pull up following revision(s) (requested by plunky in ticket #161):
sys/dev/bluetooth/btdev.h: revision 1.4
distrib/sets/lists/comp/mi: revision 1.922
usr.sbin/postinstall/postinstall: revision 1.25
sys/netbt/hci_unit.c: revision 1.3
sys/netbt/hci_ioctl.c: revision 1.4
usr.sbin/sdpd/profile.c: revision 1.2
usr.sbin/btdevctl/btdevctl.c: revision 1.2
share/man/man4/Makefile: revision 1.405
distrib/sets/lists/man/mi: revision 1.930
distrib/sets/lists/etc/mi: revision 1.176
usr.sbin/sdpd/profile.c: revision 1.3
usr.sbin/btdevctl/btdevctl.c: revision 1.3
etc/MAKEDEV.tmpl: revision 1.62
distrib/sets/lists/base/mi: revision 1.650
usr.sbin/btdevctl/btdevctl.h: revision 1.2
usr.bin/sdpquery/sdpquery.1: revision 1.4
sys/netbt/rfcomm_session.c: revision 1.2
usr.sbin/btdevctl/btdevctl.8: revision 1.3
usr.bin/sdpquery/search.c: revision 1.2
usr.sbin/sdpd/Makefile: revision 1.2
sys/dev/bluetooth/Makefile: revision 1.3
usr.sbin/btdevctl/cfg.c: file removal
sys/netbt/files.netbt: revision 1.4
usr.sbin/btdevctl/sdp.c: revision 1.1
sys/dev/bluetooth/bthidev.c: revision 1.3
etc/bluetooth/Makefile: revision 1.3
sys/dev/pcmcia/files.pcmcia: revision 1.51
sys/dev/bluetooth/bthidev.c: revision 1.4
sys/dev/bluetooth/bthidev.h: revision 1.3
usr.sbin/btdevctl/dev.c: file removal
sys/dev/bluetooth/files.bluetooth: revision 1.10
sys/arch/i386/conf/GENERIC: revision 1.777
share/man/man4/ubt.4: revision 1.6
share/man/man4/bthub.4: revision 1.3
sys/netbt/hci.h: revision 1.5
sys/arch/i386/conf/GENERIC_LAPTOP: revision 1.202
lib/libsdp/sdp.h: revision 1.2
usr.sbin/btdevctl/print.c: revision 1.1
share/man/man4/bthidev.4: revision 1.5
share/man/man4/btdev.4: file removal
usr.sbin/btdevctl/print.c: revision 1.2
sys/arch/i386/conf/GENERIC_LAPTOP: revision 1.205
usr.sbin/btdevctl/Makefile: revision 1.2
sys/dev/usb/files.usb: revision 1.70
sys/netbt/l2cap_signal.c: revision 1.2
sys/netbt/hci_link.c: revision 1.4
sys/dev/bluetooth/bthub.c: revision 1.3
share/man/man4/btsco.4: revision 1.5
sys/netbt/hci_link.c: revision 1.5
share/man/man4/btdev.4: revision 1.4
sys/dev/bluetooth/btkbd.c: revision 1.3
sys/dev/bluetooth/btdev.c: file removal
sys/netbt/hci_event.c: revision 1.2
sys/dev/bluetooth/btsco.h: revision 1.2
etc/mtree/special: revision 1.101
sys/dev/bluetooth/btsco.c: revision 1.3
sys/conf/majors: revision 1.27
usr.sbin/sdpd/hf.c: revision 1.1
sys/dev/bluetooth/btsco.c: revision 1.4
share/man/man5/rc.conf.5: revision 1.107
sys/dev/bluetooth/btdev.c: revision 1.2
etc/rc.d/btdevctl: revision 1.2
usr.sbin/btdevctl/db.c: revision 1.1
etc/rc.d/btdevctl: revision 1.3
etc/bluetooth/btdevctl.conf: revision 1.1
usr.sbin/btdevctl/hid.c: file removal
sys/arch/i386/conf/GENERIC: revision 1.781
sys/dev/bluetooth/btdev.h: revision 1.3
Make btdev default count explicit
Fix typo in variable name
update to bluetooth device attachment:
remove pseudo-device btdev(4) and inherent limitations
add bthub(4) which autoconfigures at bluetooth controllers as they
are enabled. bluetooth devices now attach here.
btdevctl(8) and its cache is updated to handle new semantics
etc/rc.d/btdevctl is updated to configure devices from a list
in /etc/bluetooth/btdevctl.conf
also include service name in dictionary being sent to kernel.
(this is not used just yet, but it might be in the future and it will
be easier if we dont have to provide code to handle its absence)
clarify the CAVEAT section somewhat
Add service discovery support for the Handsfree profile
Replace static 'FreeBSD' string with operating system name gleaned
from uname(3)
Halt the callout on detach
btsco.c:
- sco_getopt(..., SO_SCO_MTU, ...) expects the address of a uint16_t,
not an int. So change sc_mtu's type to uint16_t.
- Try a little harder to ensure btsco_round_blocksize() does not
return zero. Prevents a subsequent panic in audio_init_ringbuffer().
from scw@
Endian issues:
hci_event.c:
- Convert memo->response.clock_offset to host-endian.
hci_ioctl.c:
- printf format tweak (size_t)
hci_link.c:
- Convert memo->response.clock_offset from host-endian.
- Tweak a DIAGNOSTIC message.
l2cap_signal.c:
- In l2cap_recv_config_req(), rp->scid is little-endian so make sure
we convert from host-endian.
from scw@
hci_link.c:
- In hci_link_free(), do not unlink items from a LIST queue within
a LIST_FOREACH() iterator.
rfcomm_session.c:
- In rfcomm_session_recv_mcc_nsc(), do not unlink items from a LIST
queue within a LIST_FOREACH() iterator.
from scw@
guard against a possible situation where the list of l2cap channels is changed
when the bluetooth code is not expecting it to be. During a disconnect, we can
detach the channel that is being disconnected, but its not really safe to detach
any others.
Print explicit 64-bit types using the format macros from int_fmtio.h.
Unbreaks the build for our LP64 ports, where "long long" typically is
not 64 bits.
 1.1.2.1  07-Sep-2006  tron Pull up following revision(s) (requested by plunky in ticket #81):
sys/netbt/sco_upper.c: revision 1.2
usr.sbin/btconfig/btconfig.c: revision 1.3
sys/netbt/hci_ioctl.c: revision 1.3
usr.sbin/btconfig/btconfig.8: revision 1.4
usr.sbin/btdevctl/btdevctl.8: revision 1.2
sys/netbt/files.netbt: revision 1.3
sys/netbt/bt_proto.c: revision 1.2
share/man/man4/ubt.4: revision 1.4
usr.sbin/btdevctl/cfg.c: revision 1.3
sys/netbt/hci.h: revision 1.4
share/man/man4/bluetooth.4: revision 1.2
share/man/man4/btsco.4: revision 1.4
sys/dev/bluetooth/btsco.c: revision 1.2
sys/netbt/bt_sysctl.c: revision 1.2
BluetootH SCO Audio update.
Provide an ioctl to set the SCO mtu value in the controller and
place limits in the SCO code such that only packets of this size
may be sent.
Move the mtu option from btsco(4) and btdevctl(8), to the
btconfig(8) program.
Remove temporary BLUETOOTH_SCO kernel option, and enable SCO
socket access.
Fix incoming connection handling for btsco(4) and SCO sockets.
Fix documentation to reflect the new world order.
 1.2.4.2  09-Sep-2006  rpaulo sync with head
 1.2.4.1  27-Aug-2006  rpaulo file btsco.c was added on branch rpaulo-netinet-merge-pcb on 2006-09-09 02:49:44 +0000
 1.2.2.1  18-Nov-2006  ad Sync with head.
 1.4.2.2  10-Dec-2006  yamt sync with head.
 1.4.2.1  22-Oct-2006  yamt sync with head
 1.11.10.1  03-Sep-2007  wrstuden Sync w/ NetBSD-4-RC_1
 1.11.8.1  27-Feb-2007  ad Add MP locking for audio drivers.
 1.11.6.3  07-May-2007  yamt sync with head.
 1.11.6.2  24-Mar-2007  yamt sync with head.
 1.11.6.1  12-Mar-2007  rmind Sync with HEAD.
 1.11.4.5  15-Nov-2007  yamt sync with head.
 1.11.4.4  27-Oct-2007  yamt sync with head.
 1.11.4.3  03-Sep-2007  yamt sync with head.
 1.11.4.2  30-Dec-2006  yamt sync with head.
 1.11.4.1  16-Nov-2006  yamt file btsco.c was added on branch yamt-lazymbuf on 2006-12-30 20:47:57 +0000
 1.11.2.1  19-Jul-2007  liamjfoy Pull up following revision(s) (requested by plunky in ticket #744):
sys/netbt/l2cap_lower.c: revision 1.6
sys/dev/bluetooth/btdev.h: revision 1.6
sys/netbt/sco_socket.c: revision 1.9
sys/netbt/rfcomm_upper.c: revision 1.3
sys/netbt/l2cap_socket.c: revision 1.7
sys/netbt/rfcomm_upper.c: revision 1.5
lib/libusbhid/usbhid.h: revision 1.5
sys/netbt/rfcomm_upper.c: revision 1.6
usr.sbin/btdevctl/btdevctl.c: revision 1.4
usr.sbin/btdevctl/btdevctl.h: revision 1.3
usr.sbin/btdevctl/btdevctl.8: revision 1.4
sys/netbt/rfcomm_session.c: revision 1.5
sys/netbt/hci.h: revision 1.10
usr.bin/rfcomm_sppd/rfcomm_sppd.c: revision 1.6
sys/netbt/hci_link.c: revision 1.11
usr.bin/rfcomm_sppd/rfcomm_sppd.c: revision 1.7
usr.bin/rfcomm_sppd/rfcomm_sppd.c: revision 1.8
sys/dev/bluetooth/btsco.c: revision 1.14
sys/netbt/rfcomm_session.c: revision 1.9
usr.sbin/btdevctl/sdp.c: revision 1.2
share/man/man9/bluetooth.9: revision 1.2
usr.sbin/btdevctl/sdp.c: revision 1.3
sys/dev/bluetooth/bthidev.c: revision 1.8
sys/netbt/l2cap.h: revision 1.4
sys/netbt/rfcomm.h: revision 1.3
sys/netbt/l2cap.h: revision 1.5
sys/netbt/l2cap_misc.c: revision 1.3
share/man/man4/bluetooth.4: revision 1.5
lib/libusbhid/usbhid.3: revision 1.11
sys/netbt/bluetooth.h: revision 1.5
share/man/man4/bthidev.4: revision 1.8
sys/netbt/rfcomm_dlc.c: revision 1.3
usr.sbin/btdevctl/print.c: revision 1.8
sys/netbt/rfcomm_socket.c: revision 1.7
sys/netbt/l2cap_signal.c: revision 1.4
sys/netbt/l2cap_signal.c: revision 1.5
sys/netbt/l2cap_signal.c: revision 1.7
sys/netbt/hci_event.c: revision 1.6
usr.bin/rfcomm_sppd/rfcomm_sppd.1: revision 1.5
sys/netbt/l2cap_upper.c: revision 1.3
sys/netbt/l2cap_lower.c: revision 1.2
usr.sbin/btdevctl/db.c: revision 1.3
sys/netbt/l2cap_upper.c: revision 1.6
lib/libusbhid/descr.c: revision 1.5
sys/netbt/l2cap_upper.c: revision 1.7
sys/netbt/l2cap_lower.c: revision 1.4
Add 'service level' security for L2CAP and RFCOMM connections, following
the Linux (BlueZ) API.
- L2CAP or RFCOMM connections can require the baseband radio link
mode be any of:
authenticated (devices are paired)
encrypted (implies authentication)
secured (encryption, plus generate new link key)
- for sockets, the mode is set using setsockopt(2) and the socket
connection will be aborted if the mode change fails.
- mode settings will be applied during connection establishment, and
for safety, we enter a wait state and will only proceed when the mode
settings are successfuly set.
- It is possible to change the mode on already open connections, but
not possible to guarantee that data already queued (from either end)
will not be delivered. (this is a feature, not a bug)
- bthidev(4) and rfcomm_sppd(1) support "auth", "encrypt" and
"secure" options
- btdevctl(8) by default enables "auth" for HIDs, and "encrypt" for
keyboards (which are required to support it)
- ALSO INCLUDES OTHER MINOR FIXES
 1.12.4.1  11-Jul-2007  mjf Sync with head.
 1.12.2.4  01-Sep-2007  ad Update for pool_cache API changes.
 1.12.2.3  17-Jun-2007  ad - Increase the number of thread priorities from 128 to 256. How the space
is set up is to be revisited.
- Implement soft interrupts as kernel threads. A generic implementation
is provided, with hooks for fast-path MD code that can run the interrupt
threads over the top of other threads executing in the kernel.
- Split vnode::v_flag into three fields, depending on how the flag is
locked (by the interlock, by the vnode lock, by the file system).
- Miscellaneous locking fixes and improvements.
 1.12.2.2  27-May-2007  ad Sync with head.
 1.12.2.1  10-Apr-2007  ad Sync with head.
 1.14.10.1  14-Oct-2007  yamt sync with head.
 1.14.8.3  09-Jan-2008  matt sync with HEAD
 1.14.8.2  08-Nov-2007  matt sync with -HEAD
 1.14.8.1  06-Nov-2007  matt sync with HEAD
 1.14.6.3  11-Nov-2007  joerg Sync with HEAD.
 1.14.6.2  04-Nov-2007  jmcneill Sync with HEAD.
 1.14.6.1  26-Oct-2007  joerg Sync with HEAD.

Follow the merge of pmap.c on i386 and amd64 and move
pmap_init_tmp_pgtbl into arch/x86/x86/pmap.c. Modify the ACPI wakeup
code to restore CR4 before jumping back into kernel space as the large
page option might cover that.
 1.15.2.1  13-Nov-2007  bouyer Sync with HEAD
 1.16.2.1  19-Nov-2007  mjf Sync with HEAD.
 1.18.14.4  28-Sep-2008  mjf Sync with HEAD.
 1.18.14.3  29-Jun-2008  mjf Sync with HEAD.
 1.18.14.2  02-Jun-2008  mjf Sync with HEAD.
 1.18.14.1  03-Apr-2008  mjf Sync with HEAD.
 1.19.2.1  18-May-2008  yamt sync with head.
 1.20.6.1  27-Jun-2008  simonb Sync with head.
 1.20.4.1  18-Sep-2008  wrstuden Sync with wrstuden-revivesa-base-2.
 1.20.2.2  16-May-2009  yamt sync with head
 1.20.2.1  04-May-2009  yamt sync with head.
 1.21.2.1  19-Oct-2008  haad Sync with HEAD.
 1.22.8.1  13-May-2009  jym Sync with HEAD.

Commit is split, to avoid a "too many arguments" protocol error.
 1.22.6.3  12-Dec-2008  ad Checkpoint work in progress.
 1.22.6.2  07-Dec-2008  ad No need for sc_intr_lock to be a spinlock any more, since we don't have
a hardware interrupt.
 1.22.6.1  07-Dec-2008  ad Ressurect the ad-audiomp branch at request of matt@.

With this commit:

- core audio subsystem made MPSAFE
- eap, btsco drivers made MPSAFE

TODO:

- midi
- convert remaining drivers
 1.23.6.1  06-Jun-2011  jruoho Sync with HEAD.
 1.23.4.1  21-Apr-2011  rmind sync with head
 1.24.6.2  22-Nov-2011  jmcneill get rid of unused 'powerstate' callback in audio_hw_if
 1.24.6.1  19-Nov-2011  jmcneill port ad-audiomp2 branch changes to 5.99.56
todo:
- port ad-audiomp2 pcppi changes
- these drivers need to be fixed:
- emuxki
- gcscaudio
- hdafg
- uaudio
- umidi
- MD audio drivers
 1.24.4.1  17-Apr-2012  yamt sync with head
 1.25.2.2  05-Apr-2012  mrg sync to latest -current.
 1.25.2.1  18-Feb-2012  mrg merge to -current.
 1.26.2.2  09-Apr-2012  riz Pull up following revision(s) (requested by mrg in ticket #165):
sys/dev/bluetooth/btsco.c: revision 1.27
don't use mutex_spin*() on an IPL_NONE mutex. fixes PR#46120.
 1.26.2.1  03-Apr-2012  riz Pull up following revision(s) (requested by plunky in ticket #159):
sys/dev/bluetooth/btsco.c: revision 1.28
sys/dev/bluetooth/bthidev.c: revision 1.22
sys/dev/bluetooth/bthub.c: revision 1.18
sys/dev/bluetooth/btkbd.c: revision 1.14
sys/dev/bluetooth/btms.c: revision 1.10
sys/dev/bluetooth/btmagic.c: revision 1.2
register/deregister pmf(9) NULL handlers for bthub(4) and
bluetooth devices which attach there, to fix PR/39006
 1.28.12.1  10-Aug-2014  tls Rebase.
 1.28.2.2  03-Dec-2017  jdolecek update from HEAD
 1.28.2.1  20-Aug-2014  tls Rebase to HEAD as of a few days ago.
 1.33.4.2  28-Aug-2017  skrll Sync with HEAD
 1.33.4.1  22-Sep-2015  skrll Sync with HEAD
 1.36.10.1  10-Jun-2019  christos Sync with HEAD
 1.38.2.4  04-May-2019  isaki Move dev/audio_if.h -> dev/audio/audio_if.h
 1.38.2.3  04-May-2019  isaki Remove obsoleted methods in audio_hw_if.
- drain: is handled in audio upper layer now.
- mappage: is handled in audio upper layer now.
- setfd: no one uses and it's meaningless now.
 1.38.2.2  24-Apr-2019  isaki Adapt to audio2.
 1.38.2.1  21-Apr-2019  isaki Use C99 style struct initializer to audio_format.

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