From: Guus Sliepen <guus@sliepen.org>
Date: Sun, 22 Sep 2019 13:01:29 +0000 (+0200)
Subject: Several fixes for handling UDP-like channels.
X-Git-Url: http://git.meshlink.io/?a=commitdiff_plain;h=b92868c9f1e00601c1cb5cccc6dc01fdb79de4ca;hp=b92868c9f1e00601c1cb5cccc6dc01fdb79de4ca;p=utcp

Several fixes for handling UDP-like channels.

- Drop data sent before the connection is established.
- Relax checks on incoming ACK seqnos
- Always consider all data ACKed
- Disregard hdr.seq when a FIN packet is received
- Don't ACK pure data packets
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