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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
| commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
| tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-mpls.h | |
| parent | Initial commit. (diff) | |
| download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip | |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-mpls.h')
| -rw-r--r-- | epan/dissectors/packet-mpls.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/epan/dissectors/packet-mpls.h b/epan/dissectors/packet-mpls.h new file mode 100644 index 00000000..88f8d48e --- /dev/null +++ b/epan/dissectors/packet-mpls.h @@ -0,0 +1,90 @@ +/* packet-mpls.h + * Declarations of exported routines from MPLS dissector + * Author: Carlos Pignataro <cpignata@cisco.com> + * Copyright 2005, cisco Systems, Inc. + * + * (c) Copyright 2006, _FF_ Francesco Fondelli <francesco.fondelli@gmail.com> + * added MPLS OAM support, ITU-T Y.1711 + * (c) Copyright 2011, Shobhank Sharma <ssharma5@ncsu.edu> + * added MPLS Generic Associated Channel as per RFC 5586 + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef PACKET_MPLS_H +#define PACKET_MPLS_H + +/* Special labels in MPLS */ +enum { + MPLS_LABEL_IP4_EXPLICIT_NULL = 0, + MPLS_LABEL_ROUTER_ALERT, + MPLS_LABEL_IP6_EXPLICIT_NULL, + MPLS_LABEL_IMPLICIT_NULL, + MPLS_LABEL_ELI = 7, + MPLS_LABEL_GACH = 13, /* aka GAL */ + MPLS_LABEL_OAM_ALERT = 14, + MPLS_LABEL_MAX_RESERVED = 15, + MPLS_LABEL_INVALID = -1 +}; +/* As per RFC 5718 */ +#define PW_ACH_TYPE_MCC 0x0001 +/* As per RFC 5718 */ +#define PW_ACH_TYPE_SCC 0x0002 +/* As per RFC 5885 */ +#define PW_ACH_TYPE_BFD 0x0007 +/* As per RFC 6374 */ +#define PW_ACH_TYPE_DLM 0x000A +#define PW_ACH_TYPE_ILM 0x000B +#define PW_ACH_TYPE_DM 0x000C +#define PW_ACH_TYPE_DLM_DM 0x000D +#define PW_ACH_TYPE_ILM_DM 0x000E +/* As per RFC 4385 clause 6 */ +#define PW_ACH_TYPE_IPV4 0x0021 +/* As per RFC 6428 Section 3.3 */ +#define PW_ACH_TYPE_BFD_CC 0x0022 +#define PW_ACH_TYPE_BFD_CV 0x0023 +/* As per RFC 6378 */ +#define PW_ACH_TYPE_PSC 0x0024 +/* As per RFC 6426 Section 7.4 */ +#define PW_ACH_TYPE_ONDEMAND_CV 0x0025 +/* As per RFC 6478 */ +#define PW_ACH_TYPE_PW_OAM 0x0027 +/* As per RFC 7769 */ +#define PW_ACH_TYPE_MAC 0x0028 +/* As per RFC 4385 clause 6 */ +#define PW_ACH_TYPE_IPV6 0x0057 +/* As per RFC 6427 */ +#define PW_ACH_TYPE_MPLSTP_FM 0x0058 +/* As per RFC 6671 */ +#define PW_ACH_TYPE_MPLSTP_OAM 0x8902 + +/* MPLS over UDP http://tools.ietf.org/html/draft-ietf-mpls-in-udp-11, + * udp destination port as defined in + * http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml?search=6635 + */ +#define UDP_PORT_MPLS_OVER_UDP 6635 + +/* + * FF: private data passed from the MPLS dissector to subdissectors + * (data parameter). + */ +struct mplsinfo { + guint32 label; /* last mpls label in label stack */ + guint8 exp; /* former EXP bits of last mpls shim in stack */ + guint8 bos; /* BOS bit of last mpls shim in stack */ + guint8 ttl; /* TTL bits of last mpls shim in stack */ +}; + +extern const value_string special_labels[]; +extern void decode_mpls_label(tvbuff_t *tvb, int offset, + guint32 *label, guint8 *exp, + guint8 *bos, guint8 *ttl); + +extern gboolean dissect_try_cw_first_nibble(tvbuff_t *tvb, packet_info *pinfo, + proto_tree *tree ); + +#endif |