Bluetooth: Add implementation for retransmitting all unacked frames

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This adds l2cap_ertm_resend to retransmit frames based on the sequence
numbers in chan->retrans_list.  If the retransmit limit is reached for
any individual frame is reached, the connection is dropped.  skbs that
are cloned already are copied to avoid modifying shared data (this is
uncommon).  To retransmit all frames, l2cap_retransmit_all now builds
a list of all unacked sequence numbers and then calls
l2cap_ertm_resend.

Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

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Mat Martineau 2012-05-17 20:53:43 -07:00 • committed by Johan Hedberg

parent d2a7ac5d5d

commit e1fbd4c19a

1 changed files with 105 additions and 1 deletions

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net/bluetooth/l2cap_core.c

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