Messages in this thread | | | Date | Sun, 18 Jul 1999 22:46:22 -0400 (EDT) | From | "Benjamin C.R. LaHaise" <> | Subject | timestamps, tcp_paws_discard and out of order packets/acks (fwd) |
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I'm resending this to linux-kernel as netdev hasn't sent out any messages in the past week (at least to me).
---------- Forwarded message ---------- Date: Wed, 14 Jul 1999 20:15:21 -0400 (EDT) From: "Benjamin C.R. LaHaise" <blah@kvack.org> To: netdev@nuclecu.unam.mx Subject: timestamps, paws and out of order packets/acks
Hello all,
I'm wondering if anyone has tackled the problem I pointed out a while ago where an ack manages to arrive before data sent on the same connection due, causing the tcp paws support in 2.2/2.3 to dump the data packet? The traces at http://www.kvack.org/~blah/a.(leeloo|mole) are still valid against 2.3.10, and the behaviour disappears when timestamps are disabled. Debugging verified that tcp_paws_discard is the source of the packet drops, specifically the second term (...tsval - tp->ts_recent) < 0.
-ben
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