From: Guus Sliepen <guus@meshlink.io>
Date: Fri, 5 Dec 2014 21:12:35 +0000 (+0100)
Subject: Recover from dropped packets after receiving a triplicate ACK.
X-Git-Url: http://git.meshlink.io/?a=commitdiff_plain;h=0325c97f314cbab10cf9fce374598502e43341e6;hp=0325c97f314cbab10cf9fce374598502e43341e6;p=utcp

Recover from dropped packets after receiving a triplicate ACK.

When this happens, reset the nxt pointer so we start retransmitting from the last acknowledged
packet, at the same speed as ACKs are coming in.
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