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Bluetooth: Refactor L2CAP ERTM and streaming transmit segmentation

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Use more common code for ERTM and streaming mode segmentation and
transmission, and begin using skb control block data for delaying
extended or enhanced header generation until just before the packet is
transmitted.  This code is also better suited for resegmentation,
which is needed when L2CAP links are reconfigured after an AMP channel
move.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Reviewed-by: Ulisses Furquim <ulisses@profusion.mobi>
Signed-off-by: Gustavo Padovan <gustavo@padovan.org>
This commit is contained in:
Mat Martineau
2012-05-02 09:42:02 -07:00
committed by Gustavo Padovan
parent daf6a78c16
commit 94122bbe9c
2 changed files with 92 additions and 63 deletions
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include/net/bluetooth/l2cap.h
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@@ -44,6 +44,7 @@
#define L2CAP_DEFAULT_MAX_SDU_SIZE 0xFFFF
#define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF
#define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF
#define L2CAP_BREDR_MAX_PAYLOAD 1019 /* 3-DH5 packet */
#define L2CAP_DISC_TIMEOUT msecs_to_jiffies(100)
#define L2CAP_DISC_REJ_TIMEOUT msecs_to_jiffies(5000)