Bluetooth: prioritizing data over HCI

This implement priority based scheduler using skbuffer priority set via
SO_PRIORITY socket option.

It introduces hci_chan_hash (list of HCI Channel/hci_chan) p

Bluetooth: prioritizing data over HCI

This implement priority based scheduler using skbuffer priority set via
SO_PRIORITY socket option.

It introduces hci_chan_hash (list of HCI Channel/hci_chan) per connection,
each item in this list refer to a L2CAP connection and it is used to
queue the data for transmission.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: set skbuffer priority based on L2CAP socket priority

This uses SO_PRIORITY to set the skbuffer priority field

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-

Bluetooth: set skbuffer priority based on L2CAP socket priority

This uses SO_PRIORITY to set the skbuffer priority field

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EFS: implement L2CAP config pending state

Add L2CAP Config Pending state for EFS. Currently after receiving
Config Response Pending respond with Config Response Success.

...
> ACL data:

Bluetooth: EFS: implement L2CAP config pending state

Add L2CAP Config Pending state for EFS. Currently after receiving
Config Response Pending respond with Config Response Success.

...
> ACL data: handle 1 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x0040 scid 0x0040 result 0 status 0
Connection successful
> ACL data: handle 1 flags 0x02 dlen 45
L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 33
RFC 0x03 (Enhanced Retransmission, TxWin 63, MaxTx 3, RTo 0, MTo 0, MPS 1009)
EFS (Id 0x01, SerType Best Effort, MaxSDU 0xffff, SDUitime 0xffffffff,
AccLat 0xffffffff, FlushTO 0x0000ffff)
< ACL data: handle 1 flags 0x00 dlen 45
L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 33
RFC 0x03 (Enhanced Retransmission, TxWin 63, MaxTx 3, RTo 0, MTo 0, MPS 498)
EFS (Id 0x01, SerType Best Effort, MaxSDU 0xffff, SDUitime 0xffffffff,
AccLat 0xffffffff, FlushTO 0x0000ffff)
< ACL data: handle 1 flags 0x00 dlen 47
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 4 clen 33
Pending
MTU 672
RFC 0x03 (Enhanced Retransmission, TxWin 63, MaxTx 3, RTo 2000, MTo 12000, MPS 498)
EFS (Id 0x01, SerType Best Effort, MaxSDU 0xffff, SDUitime 0xffffffff,
AccLat 0xffffffff, FlushTO 0x0000ffff)
> ACL data: handle 1 flags 0x02 dlen 47
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 4 clen 33
Pending
MTU 672
RFC 0x03 (Enhanced Retransmission, TxWin 63, MaxTx 3, RTo 2000, MTo 12000, MPS 498)
EFS (Id 0x01, SerType Best Effort, MaxSDU 0xffff, SDUitime 0xffffffff,
AccLat 0xffffffff, FlushTO 0x0000ffff)
> ACL data: handle 1 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
Success
< ACL data: handle 1 flags 0x00 dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
Success
< ACL data: handle 1 flags 0x00 dlen 510
L2CAP(d): cid 0x0040 len 506 ext_ctrl 0x00010000 fcs 0xebe0 [psm 4113]
I-frame: Start (len 672) TxSeq 0 ReqSeq 0
...

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: Use miliseconds for L2CAP channel timeouts

Timers set by __set_chan_timer() should use miliseconds instead of
jiffies. Commit 942ecc9c4643db5ce071562e0a23f99464d6b461 updated
l2cap_set_ti

Bluetooth: Use miliseconds for L2CAP channel timeouts

Timers set by __set_chan_timer() should use miliseconds instead of
jiffies. Commit 942ecc9c4643db5ce071562e0a23f99464d6b461 updated
l2cap_set_timer() so it expects timeout to be specified in msecs
instead of jiffies. This makes timeouts unreliable when CONFIG_HZ
is not set to 1000.

Signed-off-by: Andrzej Kaczmarek <andrzej.kaczmarek@tieto.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: support extended seq numbers

Adds support for extended sequence numbers found in
extended control fields.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off

Bluetooth: EWS: support extended seq numbers

Adds support for extended sequence numbers found in
extended control fields.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: handling different Control fields

There are three different Control Field formats: the Standard Control
Field, the Enhanced Control Field, and the Extended Control Field.
Patch adds

Bluetooth: EWS: handling different Control fields

There are three different Control Field formats: the Standard Control
Field, the Enhanced Control Field, and the Extended Control Field.
Patch adds function to handle all those fields seamlessly.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EFS: assign default values in chan add

Assign default EFS values when creating L2CAP channel

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Pa

Bluetooth: EFS: assign default values in chan add

Assign default EFS values when creating L2CAP channel

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EFS: definitions and headers

Define Extended Flow Specification structures and default values.
Based upon haijun.liu <haijun.liu@atheros.com> series of patches
(sent Sun, 22 Aug 2010)

Si

Bluetooth: EFS: definitions and headers

Define Extended Flow Specification structures and default values.
Based upon haijun.liu <haijun.liu@atheros.com> series of patches
(sent Sun, 22 Aug 2010)

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: define L2CAP header sizes

Adds definitins for L2CAP header sizes to be uses when calculating
payload size instead of magic numbers.

Signed-off-by: Andrei Emeltchenko <andrei.emeltch

Bluetooth: EWS: define L2CAP header sizes

Adds definitins for L2CAP header sizes to be uses when calculating
payload size instead of magic numbers.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite handling POLL (P) bit

Handle POLL (P) bit in L2CAP ERTM using information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-o

Bluetooth: EWS: rewrite handling POLL (P) bit

Handle POLL (P) bit in L2CAP ERTM using information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite handling FINAL (F) bit

Handle final (F) bit in L2CAP using information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-

Bluetooth: EWS: rewrite handling FINAL (F) bit

Handle final (F) bit in L2CAP using information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite check frame type function

Check frame function uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by:

Bluetooth: EWS: rewrite check frame type function

Check frame function uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite L2CAP ERTM txseq calculation

L2CAP ERTM txseq calculation uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Sig

Bluetooth: EWS: rewrite L2CAP ERTM txseq calculation

L2CAP ERTM txseq calculation uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite reqseq calculation

reqseq calculation uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo

Bluetooth: EWS: rewrite reqseq calculation

reqseq calculation uses now information about control field type.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite handling SAR bits

Segmentation and Reassembly (SAR) occupies different windows in standard and
extended control fields. Convert hardcoded masks to relative ones and use shift

Bluetooth: EWS: rewrite handling SAR bits

Segmentation and Reassembly (SAR) occupies different windows in standard and
extended control fields. Convert hardcoded masks to relative ones and use shift
to access SAR bits.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: rewrite handling Supervisory (S) bits

Supervisory bits occupy different windows in standard / extended control
fields. Convert hardcoded masks to relative ones and use shift to acces

Bluetooth: EWS: rewrite handling Supervisory (S) bits

Supervisory bits occupy different windows in standard / extended control
fields. Convert hardcoded masks to relative ones and use shift to access
S-bit window.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: adds ext control field bit mask

Adds extended control field bit masks and rearrange defines to logical
groups: masks, flags and shift groups.

Signed-off-by: Andrei Emeltchenko <andr

Bluetooth: EWS: adds ext control field bit mask

Adds extended control field bit masks and rearrange defines to logical
groups: masks, flags and shift groups.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EWS: extended window size option support

Adds support for extended window size (EWS) config option. We enable EWS
feature in L2CAP Info RSP when hs enabled. EWS option is included in L2CA

Bluetooth: EWS: extended window size option support

Adds support for extended window size (EWS) config option. We enable EWS
feature in L2CAP Info RSP when hs enabled. EWS option is included in L2CAP
Config Req if tx_win (which is set via socket) bigger then standard default
value (63) && hs enabled && remote side supports EWS feature.

Using EWS selects extended control field in L2CAP.

Code partly based on Qualcomm and Atheros patches sent upstream a year ago.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: clean up spaces in L2CAP header

Spaces converted to tabs

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

Bluetooth: convert role_switch variable to flag in l2cap chan

role_switch variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <andrei.e

Bluetooth: convert role_switch variable to flag in l2cap chan

role_switch variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: convert force_active variable to flag in l2cap chan

force_active variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <andrei

Bluetooth: convert force_active variable to flag in l2cap chan

force_active variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: convert force_reliable variable to flag in l2cap chan

force_reliable variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <an

Bluetooth: convert force_reliable variable to flag in l2cap chan

force_reliable variable inside l2cap_chan is a logical one and can
be easily converted to flag

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: convert flushable variable to flag in l2cap chan

flushable variable inside l2cap_chan is a logical one and can
be easily converted to flag. Added flags in l2cap_chan structure.

Signed-of

Bluetooth: convert flushable variable to flag in l2cap chan

flushable variable inside l2cap_chan is a logical one and can
be easily converted to flag. Added flags in l2cap_chan structure.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: EFS: l2cap extended feature mask update

Update L2CAP extended feature mask to reflect recent BT spec.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gust

Bluetooth: EFS: l2cap extended feature mask update

Update L2CAP extended feature mask to reflect recent BT spec.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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Bluetooth: Perform L2CAP SDU reassembly without copying data

Use sk_buff fragment capabilities to link together incoming skbs
instead of allocating a new skb for reassembly and copying.

The new rea

Bluetooth: Perform L2CAP SDU reassembly without copying data

Use sk_buff fragment capabilities to link together incoming skbs
instead of allocating a new skb for reassembly and copying.

The new reassembly code works equally well for ERTM and streaming
mode, so there is now one reassembly function instead of two.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

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