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[lwip-members] [bug #44399] receiving TCP Ack packet with Window Update
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From: |
Joel Cunningham |
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Subject: |
[lwip-members] [bug #44399] receiving TCP Ack packet with Window Update |
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Date: |
Wed, 11 Mar 2015 22:05:27 +0000 |
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User-agent: |
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:36.0) Gecko/20100101 Firefox/36.0 |
Follow-up Comment #3, bug #44399 (project lwip):
Simon,
I did misread what OP said. I think because he said Wireshark marked the
packet as a Window Update, I got confused thinking SEQ and ACK had not
advanced.
As you've noted, if SEQ and ACK are advanced from the last packet received,
then it's not a pure window update. Conditional checks 1 or 2 (in
tcp_receive) should trigger and update the window
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