Add gencode support for DLT_IEEE802_11_RADIO.

[libpcap] / gencode.c

diff --git a/gencode.c b/gencode.c
index 47eba1b9dbde1c767b469cd7ad77c48f711f2763..915e5b48ba2a86a930ead871f19fafef23edcb80 100644 (file)
--- a/gencode.c
+++ b/gencode.c
@@ -21,7 +21,7 @@
  */
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.182 2002-12-06 00:01:33 hannes Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/libpcap/gencode.c,v 1.183 2002-12-12 07:04:17 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -838,6 +838,25 @@ init_linktype(type)
                off_nl_nosnap = 144+27; /* Prism+802.11+802.2 */
                return;
 
+       case DLT_IEEE802_11_RADIO:
+               /*
+                * Same as 802.11, but with an additional header before
+                * the 802.11 header, containing a bunch of additional
+                * information including radio-level information.
+                *
+                * The header is 64 bytes long.
+                *
+                * XXX - same variable-length header problem, only
+                * more so; this header is also variable-length,
+                * with the length being the 32-bit big-endian
+                * number at an offset of 4 from the beginning
+                * of the radio header.
+                */
+               off_linktype = 64+24;
+               off_nl = 64+32;         /* Radio+802.11+802.2+SNAP */
+               off_nl_nosnap = 64+27;  /* Radio+802.11+802.2 */
+               return;
+
        case DLT_ATM_RFC1483:
                off_linktype = 0;
                off_nl = 4;             /* FIXME SNAP */
@@ -1158,6 +1177,7 @@ gen_linktype(proto)
             }
        case DLT_IEEE802_11:
        case DLT_PRISM_HEADER:
+       case DLT_IEEE802_11_RADIO:
        case DLT_FDDI:
        case DLT_IEEE802:
        case DLT_ATM_RFC1483:
@@ -3034,6 +3054,7 @@ gen_port(port, ip_proto, dir)
         switch (linktype) {
         case DLT_IEEE802_11:
         case DLT_PRISM_HEADER:
+       case DLT_IEEE802_11_RADIO:
         case DLT_FDDI:
         case DLT_IEEE802:
         case DLT_ATM_RFC1483:
@@ -3510,6 +3531,7 @@ gen_proto(v, proto, dir)
                 switch (linktype) {
                 case DLT_IEEE802_11:
                 case DLT_PRISM_HEADER:
+               case DLT_IEEE802_11_RADIO:
                 case DLT_FDDI:
                 case DLT_IEEE802:
                 case DLT_ATM_RFC1483: