diff options
| author | Paul Saab <ps@FreeBSD.org> | 2005-04-21 20:24:43 +0000 |
|---|---|---|
| committer | Paul Saab <ps@FreeBSD.org> | 2005-04-21 20:24:43 +0000 |
| commit | 97b76190eb42ee062c650dedb601587ebf76a89a (patch) | |
| tree | 1e09cd68dfc02b0913e33c2791769c60121c81fe | |
| parent | a6235da61e9334c5b7b96be6d69e9b7aebd5ace1 (diff) | |
Notes
| -rw-r--r-- | sys/netinet/tcp_syncache.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c index e2e92549f78cd..b95efb66c20ad 100644 --- a/sys/netinet/tcp_syncache.c +++ b/sys/netinet/tcp_syncache.c @@ -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) |