Bluetooth: Improve data packing in SAR mode

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There is no need to decrease pdu size with L2CAP SDU lenght in Start
L2CAP SDU frame. Start packtet is just 2 bytes longer as specified and
we can keep payload as long as possible.

When testing SAR L2CAP against PTS, L2CAP channel is usually configured
in that way, that SDU = MPS * 3. PTS expets then 3 I-Frames from IUT: Start,
Continuation and End frame.

Without this fix, we sent 4 I-Frames. We could pass a test by using -b
option in l2test and send just two bytes less than SDU length. With this
patch no need to use -b option.

Signed-off-by: Lukasz Rymanowski <lukasz.rymanowski@tieto.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

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Lukasz Rymanowski 2014-08-13 16:01:41 +02:00 • committed by Marcel Holtmann

parent 3bbaf81206

commit 069cb27017

1 changed files with 1 additions and 4 deletions

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net/bluetooth/l2cap_core.c

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