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Added support for Label Request Type 2 (ATM Label Range) and 

Type 3 (Frame Label Range)

svn path=/trunk/; revision=6485
This commit is contained in:
Ashok Narayanan 2002-10-23 20:50:22 +00:00
parent d812fb2810
commit 6cfdb3c0ed
1 changed files with 75 additions and 2 deletions
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77
packet-rsvp.c
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@ -3,7 +3,7 @@
*
* (c) Copyright Ashok Narayanan <ashokn@cisco.com>
*
* $Id: packet-rsvp.c,v 1.75 2002/10/08 23:29:15 ashokn Exp $
* $Id: packet-rsvp.c,v 1.76 2002/10/23 20:50:22 ashokn Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -2444,12 +2444,85 @@ dissect_rsvp_label_request (proto_tree *ti, tvbuff_t *tvb,
"L3PID: %s (0x%04x)",
val_to_str(l3pid, etype_vals, "Unknown"),
l3pid);
proto_item_set_text(ti, "LABEL REQUEST: %s (0x%04x)",
proto_item_set_text(ti, "LABEL REQUEST: Basic: L3PID: %s (0x%04x)",
val_to_str(l3pid, etype_vals, "Unknown"),
l3pid);
break;
}
case 2: {
unsigned short l3pid = tvb_get_ntohs(tvb, offset2+2);
unsigned short min_vpi, min_vci, max_vpi, max_vci;
proto_tree_add_text(rsvp_object_tree, tvb, offset+3, 1,
"C-type: 2 (Label Request with ATM label Range)");
proto_tree_add_text(rsvp_object_tree, tvb, offset2+2, 2,
"L3PID: %s (0x%04x)",
val_to_str(l3pid, etype_vals, "Unknown"),
l3pid);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+4, 1,
"M: %s Merge in Data Plane",
(tvb_get_guint8(tvb, offset2+4) & 0x80) ?
"1: Can" : "0: Cannot");
min_vpi = tvb_get_ntohs(tvb, offset2+4) & 0x7f;
min_vci = tvb_get_ntohs(tvb, offset2+6);
max_vpi = tvb_get_ntohs(tvb, offset2+8) & 0x7f;
max_vci = tvb_get_ntohs(tvb, offset2+10);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+4, 2,
"Min VPI: %d", min_vpi);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+6, 2,
"Min VCI: %d", min_vci);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+8, 2,
"Max VPI: %d", max_vpi);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+10, 2,
"Max VCI: %d", max_vci);
proto_item_set_text(ti, "LABEL REQUEST: ATM: L3PID: %s (0x%04x). VPI/VCI: Min: %d/%d, Max: %d/%d. %s Merge. ",
val_to_str(l3pid, etype_vals, "Unknown"), l3pid,
min_vpi, min_vci, max_vpi, max_vci,
(tvb_get_guint8(tvb, offset2+4) & 0x80) ? "Can" : "Cannot");
break;
}
case 3: {
unsigned short l3pid = tvb_get_ntohs(tvb, offset2+2);
unsigned long min_dlci, max_dlci, dlci_len, dlci_len_code;
proto_tree_add_text(rsvp_object_tree, tvb, offset+3, 1,
"C-type: 2 (Label Request with ATM label Range)");
proto_tree_add_text(rsvp_object_tree, tvb, offset2+2, 2,
"L3PID: %s (0x%04x)",
val_to_str(l3pid, etype_vals, "Unknown"),
l3pid);
dlci_len_code = (tvb_get_ntohs(tvb, offset2+4) & 0x0180) >> 7;
min_dlci = tvb_get_ntohl(tvb, offset2+4) & 0x7fffff;
max_dlci = tvb_get_ntohl(tvb, offset2+8) & 0x7fffff;
switch(dlci_len_code) {
case 0:
/* 10-bit DLCIs */
dlci_len = 10;
min_dlci &= 0x3ff;
max_dlci &= 0x3ff;
case 2:
dlci_len = 23;
default:
dlci_len = 0;
min_dlci = 0;
max_dlci = 0;
}
proto_tree_add_text(rsvp_object_tree, tvb, offset2+4, 2,
"DLCI Length: %s (%d)",
dlci_len==10 ? "10 bits" :
dlci_len==23 ? "23 bits" :
"INVALID", dlci_len_code);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+5, 3,
"Min DLCI: %d", min_dlci);
proto_tree_add_text(rsvp_object_tree, tvb, offset2+8, 2,
"Max DLCI: %d", max_dlci);
proto_item_set_text(ti, "LABEL REQUEST: Frame: L3PID: %s (0x%04x). DLCI Len: %s. Min DLCI: %d. Max DLCI: %d",
val_to_str(l3pid, etype_vals, "Unknown"), l3pid,
dlci_len==10 ? "10 bits" :
dlci_len==23 ? "23 bits" :
"INVALID", min_dlci, max_dlci);
break;
}
case 4: {
unsigned short l3pid = tvb_get_ntohs(tvb, offset2+2);
unsigned char lsp_enc = tvb_get_guint8(tvb,offset2);