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[lwip-devel] [bug #27504] tcp_enqueue wrongly concatenates segments whic

From: Jakob Stoklund Olesen
Subject: [lwip-devel] [bug #27504] tcp_enqueue wrongly concatenates segments which are not consecutive when retransmitting unacked segments
Date: Wed, 23 Sep 2009 10:32:53 +0000
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv: Gecko/2009090216 Ubuntu/9.04 (jaunty) Firefox/3.0.14

Follow-up Comment #1, bug #27504 (project lwip):

The patch looks good to me.

I am a little worried about the tcp_rexmit behaviour. I thought that unacked
+ unsent were supposed to form a continuous, monotonic sequence of segments?
Apparently, so did tcp_enqueue().

Note that tcp_rexmit_rto preserves this invariant as well.

Could tcp_rexmit perhaps call tcp_output_segment directly rather than mucking
about with the queues?


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