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[lwip-devel] [bug #50837] TCP: zero window probe doesn't timeout

From: Joel Cunningham
Subject: [lwip-devel] [bug #50837] TCP: zero window probe doesn't timeout
Date: Tue, 22 Aug 2017 16:51:17 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:55.0) Gecko/20100101 Firefox/55.0

Follow-up Comment #50, bug #50837 (project lwip):

> tcp_in.c not resetting the persist timer any more looks a little odd. But
since we always call tcp_output() for every received ACK, it should be good I

Yes, that's the core concept change, only perform maintenance on the timer in
tcp_output(), which determines whether we can really send a segment or not :)

> Maybe I'd move tcp_split_unsent_seg() and make it static...

So tcp_split_unsent_seg() is called from tcp.c and I placed the implementation
in tcp_output.c since it was an "output" specific function.  Would you prefer
it in tcp.c?


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