packet-llc.h

/* packet-llc.h
 *
 * Wireshark - Network traffic analyzer
 * By Gerald Combs <[email protected]>
 * Copyright 1998 Gerald Combs
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __PACKET_LLC_H__
#define __PACKET_LLC_H__
 
#include "ws_symbol_export.h"
 
/*
 * Definitions of protocol IDs for the 00-80-C2 OUI, used for
 * bridging various networks over ATM (RFC 2684) or Frame Relay (RFC 2427).
 */
#define BPID_ETH_WITH_FCS   0x0001  /* 802.3/Ethernet with preserved FCS */
#define BPID_ETH_WITHOUT_FCS    0x0007  /* 802.3/Ethernet without preserved FCS */
 
#define BPID_802_4_WITH_FCS 0x0002  /* 802.4 with preserved FCS */
#define BPID_802_4_WITHOUT_FCS  0x0008  /* 802.4 without preserved FCS */
 
#define BPID_802_5_WITH_FCS 0x0003  /* 802.5 with preserved FCS */
#define BPID_802_5_WITHOUT_FCS  0x0009  /* 802.5 without preserved FCS */
 
#define BPID_FDDI_WITH_FCS  0x0004  /* FDDI with preserved FCS */
#define BPID_FDDI_WITHOUT_FCS   0x000A  /* FDDI without preserved FCS */
 
#define BPID_802_6_WITH_FCS 0x0005  /* 802.6 with preserved FCS */
#define BPID_802_6_WITHOUT_FCS  0x000B  /* 802.6 without preserved FCS */
 
#define BPID_FRAGMENTS      0x000D
 
#define BPID_BPDU       0x000E  /* 802.1(d) or 802.1(g) BPDUs */
 
#define BPID_SR_BPDU        0x000F  /* Source Routing BPDUs */
 
 
/* LLC SAP values. */
 
#define SAP_NULL        0x00
#define SAP_LLC_SLMGMT      0x02
#define SAP_SNA_PATHCTRL    0x04
#define SAP_IP          0x06
#define SAP_SNA1        0x08
#define SAP_SNA2        0x0C
#define SAP_PROWAY_NM_INIT  0x0E
#define SAP_NETWARE1        0x10
#define SAP_OSINL1      0x14
#define SAP_TI          0x18
#define SAP_OSINL2      0x20
#define SAP_OSINL3      0x34
#define SAP_SNA3        0x40
#define SAP_BPDU        0x42
#define SAP_RS511       0x4E
#define SAP_OSINL4      0x54
#define SAP_X25                 0x7E
#define SAP_XNS         0x80
#define SAP_BACNET      0x82
#define SAP_NESTAR      0x86
#define SAP_PROWAY_ASLM     0x8E
#define SAP_ARP         0x98
#define SAP_SNAP        0xAA
#define SAP_HPJD        0xB4
#define SAP_VINES1      0xBA
#define SAP_VINES2      0xBC
#define SAP_SNA4        0xC8
#define SAP_NETWARE2        0xE0
#define SAP_NETBIOS     0xF0
#define SAP_IBMNM       0xF4
#define SAP_HPEXT       0xF8
#define SAP_UB          0xFA
#define SAP_RPL         0xFC
#define SAP_OSINL5      0xFE
#define SAP_GLOBAL      0xFF
 
 
extern const value_string sap_vals[];
 
void dissect_snap(tvbuff_t *, int, packet_info *, proto_tree *,
    proto_tree *, int, int, int, int, int);
 
/*
 * Add an entry for a new OUI.
 */
WS_DLL_PUBLIC
void llc_add_oui(uint32_t, const char *, const char *, hf_register_info *, const int);
 
/*
 * SNAP information about the PID for a particular OUI:
 *
 *  the dissector table to use with the PID's value;
 *  the field to use for the PID.
 */
typedef struct {
    dissector_table_t table;
    hf_register_info *field_info;
} oui_info_t;
 
/*
 * Return the oui_info_t for the PID for a particular OUI value, or NULL
 * if there isn't one.
 */
oui_info_t *get_snap_oui_info(uint32_t);
 
#endif