Introduce experimental support for MAC in the AppleTalk/EtherTalk stack.

Label link layer mbufs as they are created for transmission, check
mbufs before delivering them to sockets, label mbufs as they are created
from sockets, and preserve mbuf labels if mbufs are copied.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, NAI Labs

1 files changed, 8 insertions, 0 deletions

diff --git a/sys/netatalk/aarp.c b/sys/netatalk/aarp.c
index 1276624..a22488a 100644
--- a/sys/netatalk/aarp.c
+++ b/sys/netatalk/aarp.c
@@ -6,9 +6,11 @@
  */
 
 #include "opt_atalk.h"
+#include "opt_mac.h"
 
 #include <sys/param.h>
 #include <sys/systm.h>
+#include <sys/mac.h>
 #include <sys/mbuf.h>
 #include <sys/kernel.h>
 #include <sys/socket.h>
@@ -128,6 +130,9 @@ aarpwhohas( struct arpcom *ac, struct sockaddr_at *sat )
     if (( m = m_gethdr( M_DONTWAIT, MT_DATA )) == NULL ) {
 	return;
     }
+#ifdef MAC
+    mac_create_mbuf_linklayer(&ac->ac_if, m);
+#endif
     m->m_len = sizeof( *ea );
     m->m_pkthdr.len = sizeof( *ea );
     MH_ALIGN( m, sizeof( *ea ));
@@ -549,6 +554,9 @@ aarpprobe( void *arg )
     if (( m = m_gethdr( M_DONTWAIT, MT_DATA )) == NULL ) {
 	return;
     }
+#ifdef MAC
+    mac_create_mbuf_linklayer(&ac->ac_if, m);
+#endif
     m->m_len = sizeof( *ea );
     m->m_pkthdr.len = sizeof( *ea );
     MH_ALIGN( m, sizeof( *ea ));