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authorJason Wright <jason@cvs.openbsd.org>2001-04-24 05:02:35 +0000
committerJason Wright <jason@cvs.openbsd.org>2001-04-24 05:02:35 +0000
commit0fba2a00af50ff8d46f3ad432877281e20797a30 (patch)
tree62cc465d26a8518c763a5c4eba4ec5f983584419 /usr.sbin
parent856511aac4a5f083ac9a0f016430d27c10e5f3e2 (diff)
PPPOE_MTU should be (ETHERMTU - sizeof(struct pppoe_header)) not two bytes
less. (This is the MTU between ppp and bpf, not to be confused with the link negotiated ppp mtu). Many thanks to Russell T Hunt <alaric@MIT.EDU> and Brian Somers <brian@Awfulhak.org> for finding this.
Diffstat (limited to 'usr.sbin')
-rw-r--r--usr.sbin/pppoe/pppoe.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.sbin/pppoe/pppoe.h b/usr.sbin/pppoe/pppoe.h
index e8f8dacc3b0..7d5f5397eb6 100644
--- a/usr.sbin/pppoe/pppoe.h
+++ b/usr.sbin/pppoe/pppoe.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: pppoe.h,v 1.1 2000/06/18 07:30:41 jason Exp $ */
+/* $OpenBSD: pppoe.h,v 1.2 2001/04/24 05:02:34 jason Exp $ */
/*
* Copyright (c) 2000 Network Security Technologies, Inc. http://www.netsec.net
@@ -49,7 +49,7 @@ struct pppoe_header {
u_int16_t sessionid; /* PPPoE session id */
u_int16_t len; /* PPPoE payload length */
};
-#define PPPOE_MTU (ETHERMTU - sizeof(struct pppoe_header) - 2)
+#define PPPOE_MTU (ETHERMTU - sizeof(struct pppoe_header))
#define PPPOE_VER_S 0 /* Version shift */
#define PPPOE_VER_M 0x0f /* Version mask */