[tcp] Ignore duplicate ACKs in TCP ESTABLISHED state
authorJoshua Oreman <oremanj@xenon.get-linux.org>
Thu, 18 Jun 2009 00:56:04 +0000 (17:56 -0700)
committerJoshua Oreman <oremanj@xenon.get-linux.org>
Thu, 18 Jun 2009 00:56:04 +0000 (17:56 -0700)
commit8041741323b40d9f5c482d3c6e1391bee7be759d
tree99b4c2f97fef67c55ccc2400253af9ef2ecc260e
parenta9a0567225493046f70e6252e21ab5c6d8219e87
[tcp] Ignore duplicate ACKs in TCP ESTABLISHED state

This is in keeping with RFC793, and prevents escalating chains of
TCP retransmissions on a link that can occasionally repeat packets.
src/net/tcp.c