From 847de4921326124c73bb3a5e51e87d481e68ca2a Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Thu, 4 Feb 1999 16:05:04 +0000
Subject: report on no udp checksum

---
 sys/netinet/udp_usrreq.c | 19 ++++++++++---------
 sys/netinet/udp_var.h    |  3 ++-
 2 files changed, 12 insertions(+), 10 deletions(-)

(limited to 'sys/netinet')

diff --git a/sys/netinet/udp_usrreq.c b/sys/netinet/udp_usrreq.c
index 16dc2dd57a4..b980013e12c 100644
--- a/sys/netinet/udp_usrreq.c
+++ b/sys/netinet/udp_usrreq.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: udp_usrreq.c,v 1.21 1999/01/15 12:01:07 niklas Exp $	*/
+/*	$OpenBSD: udp_usrreq.c,v 1.22 1999/02/04 16:05:02 deraadt Exp $	*/
 /*	$NetBSD: udp_usrreq.c,v 1.28 1996/03/16 23:54:03 christos Exp $	*/
 
 /*
@@ -237,13 +237,13 @@ udp_input(m, va_alist)
 	savesum = uh->uh_sum;
 #ifdef INET6
 	if (ipv6) {
-	  /*
-	   * In IPv6, the UDP checksum is ALWAYS used.
-	   */
-	  if ((uh->uh_sum = in6_cksum(m, IPPROTO_UDP, len, iphlen))) {
-	    udpstat.udps_badsum++;
-	    goto bad;
-	  }
+		/*
+		 * In IPv6, the UDP checksum is ALWAYS used.
+		 */
+		if ((uh->uh_sum = in6_cksum(m, IPPROTO_UDP, len, iphlen))) {
+			udpstat.udps_badsum++;
+			goto bad;
+		}
 	} else
 #endif /* INET6 */
 	if (uh->uh_sum) {
@@ -255,7 +255,8 @@ udp_input(m, va_alist)
 			m_freem(m);
 			return;
 		}
-	}
+	} else
+		udpstat.udps_nosum++;
 
 	switch (srcsa.sa.sa_family) {
 	  case AF_INET:
diff --git a/sys/netinet/udp_var.h b/sys/netinet/udp_var.h
index af429702de6..f41b8aa10b5 100644
--- a/sys/netinet/udp_var.h
+++ b/sys/netinet/udp_var.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: udp_var.h,v 1.6 1998/01/24 18:21:40 mickey Exp $	*/
+/*	$OpenBSD: udp_var.h,v 1.7 1999/02/04 16:05:02 deraadt Exp $	*/
 /*	$NetBSD: udp_var.h,v 1.12 1996/02/13 23:44:41 christos Exp $	*/
 
 /*
@@ -58,6 +58,7 @@ struct	udpstat {
 	u_long	udps_ipackets;		/* total input packets */
 	u_long	udps_hdrops;		/* packet shorter than header */
 	u_long	udps_badsum;		/* checksum error */
+	u_long	udps_nosum;		/* no checksum */
 	u_long	udps_badlen;		/* data length larger than packet */
 	u_long	udps_noport;		/* no socket on port */
 	u_long	udps_noportbcast;	/* of above, arrived as broadcast */
-- 
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