* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
- * @(#) $Header: /tcpdump/master/tcpdump/llc.h,v 1.11 2001-05-09 01:08:47 fenner Exp $ (LBL)
+ * @(#) $Header: /tcpdump/master/tcpdump/llc.h,v 1.18 2005-04-26 07:26:33 guy Exp $ (LBL)
*/
/*
- * This stuff should come from a system header file, but there's no
- * obviously portable way to do that and it's not really going
- * to change from system to system.
+ * Definitions for information in the LLC header.
*/
-/*
- * A somewhat abstracted view of the LLC header
- */
-
-struct llc {
- u_int8_t dsap;
- u_int8_t ssap;
- union {
- u_int8_t u_ctl;
- u_int16_t is_ctl;
- struct {
- u_int8_t snap_ui;
- u_int8_t snap_pi[5];
- } snap;
- struct {
- u_int8_t snap_ui;
- u_int8_t snap_orgcode[3];
- u_int8_t snap_ethertype[2];
- } snap_ether;
- } ctl;
-};
-
-#define llcui ctl.snap.snap_ui
-#define llcpi ctl.snap.snap_pi
-#define orgcode ctl.snap_ether.snap_orgcode
-#define ethertype ctl.snap_ether.snap_ethertype
-#define llcis ctl.is_ctl
-#define llcu ctl.u_ctl
-
#define LLC_U_FMT 3
#define LLC_GSAP 1
#define LLC_S_FMT 1
#ifndef LLCSAP_ISONS
#define LLCSAP_ISONS 0xfe
#endif
+
+/*
+ * PIDs for use with OUI_CISCO.
+ */
+#define PID_CISCO_CDP 0x2000 /* Cisco Discovery Protocol */
+
+/*
+ * PIDs for use with OUI_RFC2684.
+ */
+#define PID_RFC2684_ETH_FCS 0x0001 /* Ethernet, with FCS */
+#define PID_RFC2684_ETH_NOFCS 0x0007 /* Ethernet, without FCS */
+#define PID_RFC2684_802_4_FCS 0x0002 /* 802.4, with FCS */
+#define PID_RFC2684_802_4_NOFCS 0x0008 /* 802.4, without FCS */
+#define PID_RFC2684_802_5_FCS 0x0003 /* 802.5, with FCS */
+#define PID_RFC2684_802_5_NOFCS 0x0009 /* 802.5, without FCS */
+#define PID_RFC2684_FDDI_FCS 0x0004 /* FDDI, with FCS */
+#define PID_RFC2684_FDDI_NOFCS 0x000a /* FDDI, without FCS */
+#define PID_RFC2684_802_6_FCS 0x0005 /* 802.6, with FCS */
+#define PID_RFC2684_802_6_NOFCS 0x000b /* 802.6, without FCS */
+#define PID_RFC2684_BPDU 0x000e /* BPDUs */