Correct the comments as support for RFC 1644 has been removed for a long time.
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=263748
@ -1990,13 +1990,11 @@ tcp_do_segment(struct mbuf *m, struct tcphdr *th, struct socket *so,
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} else {
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/*
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* Received initial SYN in SYN-SENT[*] state =>
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* simultaneous open. If segment contains CC option
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* and there is a cached CC, apply TAO test.
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* simultaneous open.
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* If it succeeds, connection is * half-synchronized.
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* Otherwise, do 3-way handshake:
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* SYN-SENT -> SYN-RECEIVED
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* SYN-SENT* -> SYN-RECEIVED*
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* If there was no CC option, clear cached CC value.
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*/
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tp->t_flags |= (TF_ACKNOW | TF_NEEDSYN);
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tcp_timer_activate(tp, TT_REXMT, 0);
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