From bed68bde7ebdb591cc67921261307626c8f37936 Mon Sep 17 00:00:00 2001
From: Mat Martineau <mathewm@codeaurora.org>
Date: Thu, 17 May 2012 20:53:44 -0700
Subject: [PATCH] Bluetooth: Send SREJ frames when packets go missing

The ERTM specification lays out three scenarios for sending SREJ
frames to request retransmission of specific frames.  l2cap_send_srej
requests all frames up to a given txseq that are not already queued
for reassembly.  l2cap_send_srej_tail only requests the most recent
missing frame.  l2cap_send_srej_list resends SREJ frames for data that
was requested for resend but never received.

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