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Undo rev 1.71 as it is the wrong change.

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This commit is contained in:
Paul Saab 2005-04-21 20:24:43 +00:00
parent a6235da61e
commit 97b76190eb
1 changed files with 7 additions and 10 deletions
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17
sys/netinet/tcp_syncache.c
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@ -977,17 +977,14 @@ syncache_add(inc, to, th, sop, m)
sc->sc_flags = SCF_NOOPT;
#ifdef TCP_SIGNATURE
/*
* If listening socket requested TCP digests, flag this in the
* syncache so that syncache_respond() will do the right thing
* with the SYN+ACK.
*
* RFC 2395, Section 2.0, says
* "Unlike other TCP extensions (e.g., the Window Scale option
* [RFC1323]), the absence of the option in the SYN,ACK segment must not
* cause the sender to disable its sending of signatures".
* If listening socket requested TCP digests, and received SYN
* contains the option, flag this in the syncache so that
* syncache_respond() will do the right thing with the SYN+ACK.
* XXX Currently we always record the option by default and will
* attempt to use it in syncache_respond().
*/
if (tp->t_flags & TF_SIGNATURE)
sc->sc_flags |= SCF_SIGNATURE;
if (to->to_flags & TOF_SIGNATURE)
sc->sc_flags = SCF_SIGNATURE;
#endif
if (to->to_flags & TOF_SACK)