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PCEP: Update to last draft 

- fix PLSP-ID parsing, is a 20 bits field
- fix SID parsing, is in network order on the wire
- fix PATH-SETUP-TYPE and SR-PCE-CAPABILITY code points

Change-Id: If26035181462a9cad77a4a594aab3c007b4d00a2
Signed-off-by: Francesco Fondelli <francesco.fondelli@gmail.com>
Reviewed-on: https://code.wireshark.org/review/8351
Reviewed-by: Alexis La Goutte <alexis.lagoutte@gmail.com>
This commit is contained in:
Francesco Fondelli 2015-05-08 09:52:40 +02:00 committed by Alexis La Goutte
parent 460729091c
commit 652f5ad173
1 changed files with 14 additions and 13 deletions
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27
epan/dissectors/packet-pcep.c
View File

@ -37,9 +37,9 @@
* (c) Copyright 2014 Simon Zhong <szhong[AT]juniper.net>
*
* Added support of "PCEP Extensions for Segment Routing"
* (draft-ietf-pce-segment-routing-01) and
* (draft-ietf-pce-segment-routing-03) and
* "Conveying path setup type in PCEP messages"
* (draft-ietf-pce-lsp-setup-type-00)
* (draft-ietf-pce-lsp-setup-type-02)
* (c) Copyright 2015 Francesco Fondelli <francesco.fondelli[AT]gmail.com>
*/
@ -1069,17 +1069,18 @@ dissect_pcep_tlvs(proto_tree *pcep_obj, tvbuff_t *tvb, int offset, gint length,
proto_tree_add_item(tlv, hf_pcep_speaker_entity_id, tvb, offset+4+j, tlv_length, ENC_ASCII|ENC_NA);
break;
case 27: /* PATH-SETUP-TYPE TLV */
proto_tree_add_item(tlv, hf_pcep_path_setup_type_reserved24, tvb, offset + 4 + j, 3, ENC_NA);
proto_tree_add_item(tlv, hf_pcep_path_setup_type, tvb, offset + 4 + j + 3, 1, ENC_NA);
break;
case 28: /* SR-PCE-CAPABILITY TLV */
case 26: /* SR-PCE-CAPABILITY TLV */
proto_tree_add_item(tlv, hf_pcep_sr_capability_reserved16, tvb, offset + 4 + j, 2, ENC_NA);
proto_tree_add_item(tlv, hf_pcep_sr_capability_flags_reserved, tvb, offset + 4 + j + 2, 1, ENC_NA);
proto_tree_add_item(tlv, hf_pcep_sr_capability_msd, tvb, offset + 4 + j + 3, 1, ENC_NA);
break;
case 27: /* PATH-SETUP-TYPE TLV */
case 28:
proto_tree_add_item(tlv, hf_pcep_path_setup_type_reserved24, tvb, offset + 4 + j, 3, ENC_NA);
proto_tree_add_item(tlv, hf_pcep_path_setup_type, tvb, offset + 4 + j + 3, 1, ENC_NA);
break;
default:
proto_tree_add_item(tlv, hf_pcep_tlv_data, tvb, offset+4+j, tlv_length, ENC_NA);
}
@ -1311,7 +1312,7 @@ dissect_subobj_sr(proto_tree *pcep_subobj_tree, packet_info *pinfo, tvbuff_t *tv
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_length, tvb, offset + 1, 1, ENC_NA);
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_st, tvb, offset + 2, 1, ENC_NA);
proto_tree_add_bitmask(pcep_subobj_sr_tree, tvb, offset + 2, hf_pcep_subobj_sr_flags, ett_pcep_obj, subobj_sr_flags, ENC_NA);
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_sid, tvb, offset + 4, 4, ENC_NA);
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_sid, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
if ((st == 1) && (length == 12)) {
/* FF 'IPv4 Node ID' is specified as an IPv4 address. In this case, ST
* value is 1, and the Length is 8 or 12 depending on either SID or
@ -1334,7 +1335,7 @@ dissect_subobj_sr(proto_tree *pcep_subobj_tree, packet_info *pinfo, tvbuff_t *tv
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_length, tvb, offset + 1, 1, ENC_NA);
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_st, tvb, offset + 2, 1, ENC_NA);
proto_tree_add_bitmask(pcep_subobj_sr_tree, tvb, offset + 2, hf_pcep_subobj_sr_flags, ett_pcep_obj, subobj_sr_flags, ENC_NA);
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_sid, tvb, offset + 4, 4, ENC_NA);
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_sid, tvb, offset + 4, 4, ENC_BIG_ENDIAN);
if ((st == 1) && (length == 12)) {
proto_tree_add_item(pcep_subobj_sr_tree, hf_pcep_subobj_sr_nai_ipv4_node, tvb,
offset + 8, 4, ENC_BIG_ENDIAN);
@ -2659,7 +2660,7 @@ dissect_pcep_obj_lsp(proto_tree *pcep_object_tree, packet_info *pinfo, tvbuff_t
return;
}
proto_tree_add_item(pcep_object_tree, hf_pcep_obj_lsp_plsp_id, tvb, offset2, 3, ENC_NA);
proto_tree_add_item(pcep_object_tree, hf_pcep_obj_lsp_plsp_id, tvb, offset2, 3, ENC_BIG_ENDIAN);
ti = proto_tree_add_item(pcep_object_tree, hf_pcep_obj_lsp_flags, tvb, offset2+2, 2, ENC_BIG_ENDIAN);
lsp_flags = proto_item_add_subtree(ti, ett_pcep_obj_lsp);
proto_tree_add_item(lsp_flags, hf_pcep_obj_lsp_flags_d, tvb, offset2+2, 2, ENC_BIG_ENDIAN);
@ -3680,7 +3681,7 @@ proto_register_pcep(void)
},
{ &hf_pcep_subobj_sr_sid,
{ "SID", "pcep.subobj.sr.sid",
FT_UINT32, BASE_DEC, NULL, 0x0,
FT_UINT32, BASE_DEC, NULL, 0xFFFFF000,
NULL, HFILL }
},
{ &hf_pcep_subobj_sr_nai_ipv4_node,
@ -4322,7 +4323,7 @@ proto_register_pcep(void)
},
{ &hf_pcep_obj_lsp_plsp_id,
{ "PLSP-ID", "pcep.obj.lsp.plsp-id",
FT_UINT16, BASE_DEC, NULL, PCEP_OBJ_LSP_PLSP_ID,
FT_UINT32, BASE_DEC, NULL, PCEP_OBJ_LSP_PLSP_ID,
NULL, HFILL }
},
{ &hf_pcep_obj_lsp_flags,