From 2144e288fa8775b135f20c3809cb648a25518e2a Mon Sep 17 00:00:00 2001
From: Andrew Gallatin <gallatin@FreeBSD.org>
Date: Mon, 11 Jun 2007 18:45:49 +0000
Subject: [PATCH] Move the oversize ethernet frame size check into DIAGNOSTIC,
 as was proposed when it was originally added.  This allows LRO to work on
 non-DIAGNOSTIC kernels without consuming any mbuf flags.

Discussed with: sam
---
 sys/net/if_ethersubr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index 1fabaca614dc..8615e8655468 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -542,6 +542,7 @@ ether_input(struct ifnet *ifp, struct mbuf *m)
 	}
 	eh = mtod(m, struct ether_header *);
 	etype = ntohs(eh->ether_type);
+#ifdef DIAGNOSTIC
 	if (m->m_pkthdr.len >
 	    ETHER_MAX_FRAME(ifp, etype, m->m_flags & M_HASFCS)) {
 		if_printf(ifp, "discard oversize frame "
@@ -553,6 +554,7 @@ ether_input(struct ifnet *ifp, struct mbuf *m)
 		m_freem(m);
 		return;
 	}
+#endif
 	if (m->m_pkthdr.rcvif == NULL) {
 		if_printf(ifp, "discard frame w/o interface pointer\n");
 		ifp->if_ierrors++;