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authorJeff Morriss <jeff.morriss@ulticom.com>2010-05-25 21:12:43 +0000
committerJeff Morriss <jeff.morriss@ulticom.com>2010-05-25 21:12:43 +0000
commita12990e60303edf9dcdbdf49e70b6fe6762b47d5 (patch)
treedcd539e651e736101201a5dea4dece2fa51475b0 /epan/dissectors/packet-m2pa.c
parent7436d045509a80fdf6e1ab1403daf249a4ebd595 (diff)
RFC 4165 uses the same message/parameter formats as draft-12 did so let's
call it RFC 4165. svn path=/trunk/; revision=32953
Diffstat (limited to 'epan/dissectors/packet-m2pa.c')
-rw-r--r--epan/dissectors/packet-m2pa.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/epan/dissectors/packet-m2pa.c b/epan/dissectors/packet-m2pa.c
index db4117a787..4ce6f713a6 100644
--- a/epan/dissectors/packet-m2pa.c
+++ b/epan/dissectors/packet-m2pa.c
@@ -3,7 +3,7 @@
* It is hopefully (needs testing) compliant to
* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-02.txt
* http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-08.txt
- * http://www.ietf.org/internet-drafts/draft-ietf-sigtran-m2pa-12.txt
+ * http://tools.ietf.org/rfc/rfc4165.txt
*
* Copyright 2001, 2002, Jeff Morriss <jeff.morriss[AT]ulticom.com>,
* updated by Michael Tuexen <tuexen [AT] fh-muenster.de>
@@ -54,7 +54,7 @@ static int hf_version = -1;
static int hf_spare = -1;
static int hf_v2_type = -1;
static int hf_v8_type = -1;
-static int hf_v12_type = -1;
+static int hf_type = -1;
static int hf_class = -1;
static int hf_length = -1;
static int hf_unused = -1;
@@ -62,7 +62,7 @@ static int hf_bsn = -1;
static int hf_fsn = -1;
static int hf_v2_status = -1;
static int hf_v8_status = -1;
-static int hf_v12_status = -1;
+static int hf_status = -1;
static int hf_v2_li_spare = -1;
static int hf_v8_li_spare = -1;
static int hf_v2_li_prio = -1;
@@ -81,17 +81,17 @@ static dissector_handle_t mtp3_handle;
typedef enum {
M2PA_V02 = 1,
M2PA_V08 = 2,
- M2PA_V12 = 3
+ M2PA_RFC4165 = 3
} Version_Type;
-static gint m2pa_version = M2PA_V12;
+static gint m2pa_version = M2PA_RFC4165;
#define VERSION_LENGTH 1
#define SPARE_LENGTH 1
#define CLASS_LENGTH 1
#define V2_TYPE_LENGTH 2
#define V8_TYPE_LENGTH 1
-#define V12_TYPE_LENGTH V8_TYPE_LENGTH
+#define TYPE_LENGTH V8_TYPE_LENGTH
#define LENGTH_LENGTH 4
#define UNUSED_LENGTH 1
#define BSN_LENGTH 3
@@ -104,7 +104,7 @@ static gint m2pa_version = M2PA_V12;
CLASS_LENGTH + V8_TYPE_LENGTH + LENGTH_LENGTH + \
UNUSED_LENGTH + BSN_LENGTH + UNUSED_LENGTH + \
FSN_LENGTH)
-#define V12_HEADER_LENGTH V8_HEADER_LENGTH
+#define HEADER_LENGTH V8_HEADER_LENGTH
#define HEADER_OFFSET 0
#define VERSION_OFFSET HEADER_OFFSET
@@ -112,9 +112,9 @@ static gint m2pa_version = M2PA_V12;
#define CLASS_OFFSET (SPARE_OFFSET + SPARE_LENGTH)
#define V2_TYPE_OFFSET (SPARE_OFFSET + SPARE_LENGTH)
#define V8_TYPE_OFFSET (CLASS_OFFSET + CLASS_LENGTH)
-#define V12_TYPE_OFFSET V8_TYPE_OFFSET
+#define TYPE_OFFSET V8_TYPE_OFFSET
#define V8_LENGTH_OFFSET (V8_TYPE_OFFSET + V8_TYPE_LENGTH)
-#define V12_LENGTH_OFFSET V8_LENGTH_OFFSET
+#define LENGTH_OFFSET V8_LENGTH_OFFSET
#define V2_LENGTH_OFFSET (V2_TYPE_OFFSET + V2_TYPE_LENGTH)
#define FIRST_UNUSED_OFFSET (V8_LENGTH_OFFSET + LENGTH_LENGTH)
#define BSN_OFFSET (FIRST_UNUSED_OFFSET + UNUSED_LENGTH)
@@ -145,13 +145,13 @@ static const value_string v8_message_type_values[] = {
{ V8_LINK_STATUS_TYPE, "Link Status" },
{ 0, NULL } };
-#define V12_USER_DATA_TYPE V8_USER_DATA_TYPE
-#define V12_LINK_STATUS_TYPE V8_LINK_STATUS_TYPE
+#define USER_DATA_TYPE V8_USER_DATA_TYPE
+#define LINK_STATUS_TYPE V8_LINK_STATUS_TYPE
-static const value_string v12_message_type_values[] = {
- { V12_USER_DATA_TYPE, "User Data" },
- { V12_LINK_STATUS_TYPE, "Link Status" },
- { 0, NULL } };
+static const value_string message_type_values[] = {
+ { USER_DATA_TYPE, "User Data" },
+ { LINK_STATUS_TYPE, "Link Status" },
+ { 0, NULL } };
static void
dissect_v2_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree)
@@ -195,7 +195,7 @@ dissect_v8_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tre
}
static void
-dissect_v12_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree)
+dissect_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tree)
{
guint8 message_type;
@@ -208,8 +208,8 @@ dissect_v12_header(tvbuff_t *header_tvb, packet_info *pinfo, proto_tree *m2pa_tr
proto_tree_add_item(m2pa_tree, hf_version, header_tvb, VERSION_OFFSET, VERSION_LENGTH, ENC_BIG_ENDIAN);
proto_tree_add_item(m2pa_tree, hf_spare, header_tvb, SPARE_OFFSET, SPARE_LENGTH, ENC_BIG_ENDIAN);
proto_tree_add_item(m2pa_tree, hf_class, header_tvb, CLASS_OFFSET, CLASS_LENGTH, ENC_BIG_ENDIAN);
- proto_tree_add_item(m2pa_tree, hf_v12_type, header_tvb, V12_TYPE_OFFSET, V12_TYPE_LENGTH, ENC_BIG_ENDIAN);
- proto_tree_add_item(m2pa_tree, hf_length, header_tvb, V12_LENGTH_OFFSET, LENGTH_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(m2pa_tree, hf_type, header_tvb, TYPE_OFFSET, TYPE_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(m2pa_tree, hf_length, header_tvb, LENGTH_OFFSET, LENGTH_LENGTH, ENC_BIG_ENDIAN);
proto_tree_add_item(m2pa_tree, hf_unused, header_tvb, FIRST_UNUSED_OFFSET, UNUSED_LENGTH, ENC_BIG_ENDIAN);
proto_tree_add_item(m2pa_tree, hf_bsn, header_tvb, BSN_OFFSET, BSN_LENGTH, ENC_BIG_ENDIAN);
proto_tree_add_item(m2pa_tree, hf_unused, header_tvb, SECOND_UNUSED_OFFSET, UNUSED_LENGTH, ENC_BIG_ENDIAN);
@@ -281,7 +281,7 @@ dissect_v8_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, pro
#define PRI_LENGTH 1
static void
-dissect_v12_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree)
+dissect_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree)
{
proto_item *m2pa_li_item;
proto_tree *m2pa_li_tree;
@@ -295,7 +295,7 @@ dissect_v12_user_data_message(tvbuff_t *message_data_tvb, packet_info *pinfo, pr
proto_tree_add_item(m2pa_li_tree, hf_pri_spare, message_data_tvb, PRI_OFFSET, PRI_LENGTH, ENC_BIG_ENDIAN);
/* Re-adjust length of M2PA item since it will be dissected as MTP3 */
- proto_item_set_len(m2pa_item, V12_HEADER_LENGTH + PRI_LENGTH);
+ proto_item_set_len(m2pa_item, HEADER_LENGTH + PRI_LENGTH);
}
payload_tvb = tvb_new_subset_remaining(message_data_tvb, MTP3_OFFSET);
@@ -351,7 +351,7 @@ dissect_v8_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, p
proto_tree_add_item(m2pa_tree, hf_filler, message_data_tvb, FILLER_OFFSET, filler_length, ENC_BIG_ENDIAN);
}
-static const value_string v12_link_status_values[] = {
+static const value_string link_status_values[] = {
{ 1, "Alignment" },
{ 2, "Proving Normal" },
{ 3, "Proving Emergency" },
@@ -364,16 +364,16 @@ static const value_string v12_link_status_values[] = {
{ 0, NULL } };
static void
-dissect_v12_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_tree *m2pa_tree)
+dissect_link_status_message(tvbuff_t *message_data_tvb, packet_info *pinfo, proto_tree *m2pa_tree)
{
guint16 filler_length;
if (check_col(pinfo->cinfo, COL_INFO))
- col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ", val_to_str(tvb_get_ntohl(message_data_tvb, STATUS_OFFSET), v12_link_status_values, "Unknown"));
+ col_append_fstr(pinfo->cinfo, COL_INFO, "(%s) ", val_to_str(tvb_get_ntohl(message_data_tvb, STATUS_OFFSET), link_status_values, "Unknown"));
filler_length = tvb_length(message_data_tvb) - STATUS_LENGTH;
- proto_tree_add_item(m2pa_tree, hf_v12_status, message_data_tvb, STATUS_OFFSET, STATUS_LENGTH, ENC_BIG_ENDIAN);
+ proto_tree_add_item(m2pa_tree, hf_status, message_data_tvb, STATUS_OFFSET, STATUS_LENGTH, ENC_BIG_ENDIAN);
if (filler_length > 0)
proto_tree_add_item(m2pa_tree, hf_filler, message_data_tvb, FILLER_OFFSET, filler_length, ENC_BIG_ENDIAN);
}
@@ -452,27 +452,27 @@ dissect_v8_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m
}
}
-#define V12_MESSAGE_DATA_OFFSET (HEADER_OFFSET + V12_HEADER_LENGTH)
+#define MESSAGE_DATA_OFFSET (HEADER_OFFSET + HEADER_LENGTH)
static void
-dissect_v12_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree)
+dissect_message_data(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree)
{
guint32 length, message_data_length, actual_length;
guint8 type;
tvbuff_t *message_data_tvb;
- length = tvb_get_ntohl(message_tvb, V12_LENGTH_OFFSET);
- message_data_length = length - V12_HEADER_LENGTH;
- message_data_tvb = tvb_new_subset(message_tvb, V12_MESSAGE_DATA_OFFSET, message_data_length, message_data_length);
- type = tvb_get_guint8(message_tvb, V12_TYPE_OFFSET);
+ length = tvb_get_ntohl(message_tvb, LENGTH_OFFSET);
+ message_data_length = length - HEADER_LENGTH;
+ message_data_tvb = tvb_new_subset(message_tvb, MESSAGE_DATA_OFFSET, message_data_length, message_data_length);
+ type = tvb_get_guint8(message_tvb, TYPE_OFFSET);
switch(type) {
- case V12_USER_DATA_TYPE:
- dissect_v12_user_data_message(message_data_tvb, pinfo, m2pa_item, m2pa_tree, tree);
+ case USER_DATA_TYPE:
+ dissect_user_data_message(message_data_tvb, pinfo, m2pa_item, m2pa_tree, tree);
break;
- case V12_LINK_STATUS_TYPE:
- dissect_v12_link_status_message(message_data_tvb, pinfo, m2pa_tree);
+ case LINK_STATUS_TYPE:
+ dissect_link_status_message(message_data_tvb, pinfo, m2pa_tree);
break;
default:
dissect_unknown_message(message_data_tvb, m2pa_tree);
@@ -506,10 +506,10 @@ dissect_v8_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_i
}
static void
-dissect_v12_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree)
+dissect_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_item *m2pa_item, proto_tree *m2pa_tree, proto_tree *tree)
{
- dissect_v12_header(message_tvb, pinfo, m2pa_tree);
- dissect_v12_message_data(message_tvb, pinfo, m2pa_item, m2pa_tree, tree);
+ dissect_header(message_tvb, pinfo, m2pa_tree);
+ dissect_message_data(message_tvb, pinfo, m2pa_item, m2pa_tree, tree);
}
static void
@@ -526,8 +526,8 @@ dissect_m2pa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
case M2PA_V08:
col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA (ID 08)");
break;
- case M2PA_V12:
- col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA (ID 12)");
+ case M2PA_RFC4165:
+ col_set_str(pinfo->cinfo, COL_PROTOCOL, "M2PA");
break;
};
@@ -546,8 +546,8 @@ dissect_m2pa(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
case M2PA_V08:
dissect_v8_message(tvb, pinfo, m2pa_item, m2pa_tree, tree);
break;
- case M2PA_V12:
- dissect_v12_message(tvb, pinfo, m2pa_item, m2pa_tree, tree);
+ case M2PA_RFC4165:
+ dissect_message(tvb, pinfo, m2pa_item, m2pa_tree, tree);
break;
};
}
@@ -560,7 +560,7 @@ proto_register_m2pa(void)
{ &hf_spare, { "Spare", "m2pa.spare", FT_UINT8, BASE_HEX, NULL, 0x0, NULL, HFILL} },
{ &hf_v2_type, { "Message Type", "m2pa.type", FT_UINT16, BASE_HEX, VALS(v2_message_type_values), 0x0, NULL, HFILL} },
{ &hf_v8_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(v8_message_type_values), 0x0, NULL, HFILL} },
- { &hf_v12_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(v12_message_type_values), 0x0, NULL, HFILL} },
+ { &hf_type, { "Message Type", "m2pa.type", FT_UINT8, BASE_DEC, VALS(message_type_values), 0x0, NULL, HFILL} },
{ &hf_class, { "Message Class", "m2pa.class", FT_UINT8, BASE_DEC, VALS(message_class_values), 0x0, NULL, HFILL} },
{ &hf_length, { "Message length", "m2pa.length", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL} },
{ &hf_unused, { "Unused", "m2pa.unused", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL} },
@@ -574,7 +574,7 @@ proto_register_m2pa(void)
{ &hf_pri_prio, { "Priority", "m2pa.priority", FT_UINT8, BASE_HEX, NULL, PRIORITY_MASK, NULL, HFILL} },
{ &hf_v2_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(v2_link_status_values), 0x0, NULL, HFILL} },
{ &hf_v8_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(v8_link_status_values), 0x0, NULL, HFILL} },
- { &hf_v12_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(v12_link_status_values), 0x0, NULL, HFILL} },
+ { &hf_status, { "Link Status", "m2pa.status", FT_UINT32, BASE_DEC, VALS(link_status_values), 0x0, NULL, HFILL} },
{ &hf_filler, { "Filler", "m2pa.filler", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} },
{ &hf_unknown_data, { "Unknown Data", "m2pa.unknown_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} },
{ &hf_undecode_data,{ "Undecoded data", "m2pa.undecoded_data", FT_BYTES, BASE_NONE, NULL, 0x0, NULL, HFILL} }
@@ -586,9 +586,9 @@ proto_register_m2pa(void)
};
static enum_val_t m2pa_version_options[] = {
- { "draft-2", "Internet Draft version 2", M2PA_V02 },
- { "draft-8", "Internet Draft version 8", M2PA_V08 },
- { "draft-12", "Internet Draft version 12", M2PA_V12 },
+ { "draft-2", "Internet Draft version 2", M2PA_V02 },
+ { "draft-8", "Internet Draft version 8", M2PA_V08 },
+ { "RFC4165", "RFC 4165", M2PA_RFC4165 },
{ NULL, NULL, 0 }
};