diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2005-07-06 03:40:14 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2005-07-06 03:40:14 +0000 |
| commit | 313bba50788777cd2d1ed366b5ba95e902469122 (patch) | |
| tree | 1a526fc1c701161b9abcd01ba72136e25af3b373 | |
| parent | fe75099af4d6407556b221ca13a90d7d4e5492fc (diff) | |
rev 1.7
Reduce MAXMSS limit by 12 bytes to allow for rfc 1323.
From brian FreeBSD
ok deraadt@
| -rw-r--r-- | usr.sbin/ppp/ppp/tcpmss.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.sbin/ppp/ppp/tcpmss.c b/usr.sbin/ppp/ppp/tcpmss.c index e834e5d27b0..2c8b9dcbfaa 100644 --- a/usr.sbin/ppp/ppp/tcpmss.c +++ b/usr.sbin/ppp/ppp/tcpmss.c @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $OpenBSD: tcpmss.c,v 1.6 2002/06/15 08:02:01 brian Exp $ + * $OpenBSD: tcpmss.c,v 1.7 2005/07/06 03:40:13 brad Exp $ */ #include <sys/param.h> @@ -70,7 +70,7 @@ * We are in a liberal position about MSS * (RFC 879, section 7). */ -#define MAXMSS(mtu) (mtu - sizeof(struct ip) - sizeof(struct tcphdr)) +#define MAXMSS(mtu) ((mtu) - sizeof(struct ip) - sizeof(struct tcphdr) - 12) /*- |