Handle hardware-imposed MTU/MRU limitations. PPPoE will no longer

allow MRU/MTU negotiations to exceed 1492.

Add an optional ``max'' specifier to ``set m[rt]u'', ie.

	set mtu max 1480

Bump the ppp version number.

Sponsored by:	Monzoon Networks AG and FreeBSD Services Limited

1 files changed, 6 insertions, 0 deletions

diff --git a/usr.sbin/ppp/physical.c b/usr.sbin/ppp/physical.c
index e4268909ec67..76937e70cfe9 100644
--- a/usr.sbin/ppp/physical.c
+++ b/usr.sbin/ppp/physical.c
@@ -758,6 +758,12 @@ physical_IsSync(struct physical *p)
    return p->cfg.speed == 0;
 }
 
+u_short
+physical_DeviceMTU(struct physical *p)
+{
+  return p->handler ? p->handler->mtu : 0;
+}
+
 const char *physical_GetDevice(struct physical *p)
 {
    return p->name.full;