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[lwip-devel] [bug #3168] Handling UDP/TCP PCBs upon netif address change
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From: |
Jonathan Larmour |
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Subject: |
[lwip-devel] [bug #3168] Handling UDP/TCP PCBs upon netif address change. |
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Date: |
Thu, 26 Apr 2007 20:23:43 +0000 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.10) Gecko/20070223 Fedora/1.5.0.10-1.fc5 Firefox/1.5.0.10 |
Follow-up Comment #9, bug #3168 (project lwip):
Re comment 8, I think we should follow what other stacks do. From memory,
with them, if they are unbound, i.e. local IP of 0.0.0.0, then they determine
the local IP only at the point of transmission, based on routing. Otherwise if
they are bound to a specific local IP addr, they get an error. From
experimentation on Linux, trying it out with a UDP socket, send() gets EINVAL
if the local IP address that had been bound gets changed.
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