diff options
| author |   markus <markus@openbsd.org> | 2004-02-10 10:30:24 +0000 |
|---|---|---|
| committer | markus <markus@openbsd.org> | 2004-02-10 10:30:24 +0000 |
| commit | 358a691990f737fe2336888f7f4324cedc212b10 (patch) | |
| tree | a0613ea82a4c36cf997bcc4551d342b6bf2cafa8 /sys/netinet/tcp_input.c | |
| parent | Fix cnprobe() and cninit() prototypes. (diff) | |
| download | wireguard-openbsd-358a691990f737fe2336888f7f4324cedc212b10.tar.xz wireguard-openbsd-358a691990f737fe2336888f7f4324cedc212b10.zip | |
check TF_SIGNATURE when calculating the mss; add TCPOLEN_SIGLEN and
avoid magic constants; ok henning@
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 1d99cc37794..7a7143237e9 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.153 2004/02/05 04:23:13 itojun Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.154 2004/02/10 10:30:24 markus Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -3080,6 +3080,10 @@ tcp_mss(tp, offer) if ((tp->t_flags & (TF_REQ_TSTMP|TF_NOOPT)) == TF_REQ_TSTMP && (tp->t_flags & TF_RCVD_TSTMP) == TF_RCVD_TSTMP) mss -= TCPOLEN_TSTAMP_APPA; +#ifdef TCP_SIGNATURE + if (tp->t_flags & TF_SIGNATURE) + mss -= TCPOLEN_SIGLEN; +#endif if (offer == -1) { /* mss changed due to Path MTU discovery */ @@ -4139,7 +4143,7 @@ syn_cache_respond(sc, m) ((sc->sc_flags & SCF_SACK_PERMIT) ? 4 : 0) + #endif #ifdef TCP_SIGNATURE - ((sc->sc_flags & SCF_SIGNATURE) ? TCPOLEN_SIGNATURE + 2 : 0) + + ((sc->sc_flags & SCF_SIGNATURE) ? TCPOLEN_SIGLEN : 0) + #endif ((sc->sc_flags & SCF_TIMESTAMP) ? TCPOLEN_TSTAMP_APPA : 0); |