CVS commit: src/sys/net/lagg

[Shoichi YAMAGUCHI]

Module Name:    src
Committed By:   yamaguchi
Date:           Tue Oct 19 07:40:53 UTC 2021

Modified Files:
        src/sys/net/lagg: if_lagg.c

Log Message:
lagg: clear I/G bitg and set G/L bit in a generated MAC address


To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/sys/net/lagg/if_lagg.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/lagg/if_lagg.c
diff -u src/sys/net/lagg/if_lagg.c:1.13 src/sys/net/lagg/if_lagg.c:1.14
--- src/sys/net/lagg/if_lagg.c:1.13	Tue Oct 12 08:30:58 2021
+++ src/sys/net/lagg/if_lagg.c	Tue Oct 19 07:40:52 2021
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_lagg.c,v 1.13 2021/10/12 08:30:58 yamaguchi Exp $	*/
+/*	$NetBSD: if_lagg.c,v 1.14 2021/10/19 07:40:52 yamaguchi Exp $	*/
 
 /*
  * Copyright (c) 2005, 2006 Reyk Floeter <r...@openbsd.org>
@@ -20,7 +20,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_lagg.c,v 1.13 2021/10/12 08:30:58 yamaguchi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_lagg.c,v 1.14 2021/10/19 07:40:52 yamaguchi Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_inet.h"
@@ -416,6 +416,8 @@ lagg_clone_create(struct if_clone *ifc, 
 	switch (lagg_iftype) {
 	case LAGG_IF_TYPE_ETHERNET:
 		cprng_fast(sc->sc_lladdr_rand, sizeof(sc->sc_lladdr_rand));
+		sc->sc_lladdr_rand[0] &= 0xFE; /* clear I/G bit */
+		sc->sc_lladdr_rand[0] |= 0x02; /* set G/L bit */
 		lagg_lladdr_cpy(sc->sc_lladdr, sc->sc_lladdr_rand);
 		ether_set_vlan_cb((struct ethercom *)ifp, lagg_vlan_cb);
 		ether_ifattach(ifp, sc->sc_lladdr);