Module Name:    src
Committed By:   msaitoh
Date:           Fri Oct 20 08:35:10 UTC 2023

Modified Files:
        src/sys/net: if_ethersubr.c

Log Message:
Print error message when the multicast bit is set in the MAC address.


To generate a diff of this commit:
cvs rdiff -u -r1.323 -r1.324 src/sys/net/if_ethersubr.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/net/if_ethersubr.c
diff -u src/sys/net/if_ethersubr.c:1.323 src/sys/net/if_ethersubr.c:1.324
--- src/sys/net/if_ethersubr.c:1.323	Tue Nov 15 10:47:39 2022
+++ src/sys/net/if_ethersubr.c	Fri Oct 20 08:35:09 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_ethersubr.c,v 1.323 2022/11/15 10:47:39 roy Exp $	*/
+/*	$NetBSD: if_ethersubr.c,v 1.324 2023/10/20 08:35:09 msaitoh Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -61,7 +61,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.323 2022/11/15 10:47:39 roy Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_ethersubr.c,v 1.324 2023/10/20 08:35:09 msaitoh Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -1041,6 +1041,10 @@ ether_ifattach(struct ifnet *ifp, const 
 	struct ethercom *ec = (struct ethercom *)ifp;
 	char xnamebuf[HOOKNAMSIZ];
 
+	if (ETHER_IS_MULTICAST(lla))
+		aprint_error("The multicast bit is set in the MAC address. "
+			"It's wrong.\n");
+	
 	ifp->if_type = IFT_ETHER;
 	ifp->if_hdrlen = ETHER_HDR_LEN;
 	ifp->if_dlt = DLT_EN10MB;

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