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From: | Bonny Gijzen |
Subject: | [lwip-users] RTO calculated to 0 msec ??? |
Date: | Fri, 12 Nov 2004 08:53:42 +0100 |
Hi to all,
I have been logging my client (using lwIP) for some
time and I noticed a problem in my
log.
It seems the RTO value (receive timeout) has been
calculated to 0 msec at some point,
which causes the segment to be retransmitted
instantly:
ack timeout @ 0
msec
pcb->sa=12 pcb->sv=-1 pcb->nrtx=0 new timeout=0 msec rexmit() The next timeout again occurs at 0 msec, so I get a
continous serie of retransmissions.
Can anybody explain what the values ->sa and ->sv mean? And how are they calculated?
I have the feeling the ->sv=-1 is the one causing the problem (i.e.
causing RTO to be 0)
Thanks in advance for your insights
Bonny, |
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