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-rw-r--r--epan/dissectors/packet-ppi-antenna.c448
1 files changed, 243 insertions, 205 deletions
diff --git a/epan/dissectors/packet-ppi-antenna.c b/epan/dissectors/packet-ppi-antenna.c
index 6473983c2c..94ce407607 100644
--- a/epan/dissectors/packet-ppi-antenna.c
+++ b/epan/dissectors/packet-ppi-antenna.c
@@ -54,6 +54,9 @@ enum ppi_antenna_type {
PPI_ANTENNA_APPDATA = 30, /* 60-byte app-id specific data*/
PPI_ANTENNA_EXT = 31 /* Indicates n extended bitmap follows */
};
+#define PPI_ANTENNA_MAXTAGLEN 187 /* increase as fields are added */
+
+
@@ -110,199 +113,6 @@ static gint ett_ppi_antennaflags= -1;
static void
dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree);
-void
-proto_register_ppi_antenna(void) {
- /* The following array initializes those header fields declared above to the values displayed */
- static hf_register_info hf[] = {
- { &hf_ppi_antenna_version,
- { "Header revision", "ppi_antenna.version",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Version of ppi_antenna header format", HFILL } },
- { &hf_ppi_antenna_pad,
- { "Header pad", "ppi_antenna.pad",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Padding", HFILL } },
- { &hf_ppi_antenna_length,
- { "Header length", "ppi_antenna.length",
- FT_UINT16, BASE_DEC, NULL, 0x0,
- "Length of header including version, pad, length and data fields", HFILL } },
- /* This setups the "Antenna flags" hex dropydown thing */
- { &hf_ppi_antenna_flags,
- { "Antenna flags", "ppi_antenna.antenna_flags",
- FT_UINT32, BASE_HEX, NULL, 0x0, "Bitmask indicating polarity, etc", HFILL } },
- { &hf_ppi_antenna_present,
- { "Present", "ppi_antenna.present",
- FT_UINT32, BASE_HEX, NULL, 0x0, "Bitmask indicating which fields are present", HFILL } },
-
- /* This first set is for the base_tag_header.it_present bitfield */
-#define PPI_ANTENNA_MASK_FLAGS 0x00000001 /* 0 */
-#define PPI_ANTENNA_MASK_GAINDB 0x00000002 /* 1 */
-#define PPI_ANTENNA_MASK_HORIZBW 0x00000004 /* 2 */
-#define PPI_ANTENNA_MASK_VERTBW 0x00000008 /* 3 */
-#define PPI_ANTENNA_MASK_PGAIN 0x00000020 /* 5 */
-#define PPI_ANTENNA_MASK_BEAMID 0x00000040 /* 6 */
-#define PPI_ANTENNA_MASK_RES7 0x00000080 /* 7 */
-#define PPI_ANTENNA_MASK_SERIALNUM 0x04000000 /* 26 */
-#define PPI_ANTENNA_MASK_MODELSTR 0x08000000 /* 27 */
-#define PPI_ANTENNA_MASK_DESCSTR 0x10000000 /* 28 */
-#define PPI_ANTENNA_MASK_APPID 0x20000000 /* 29 */
-#define PPI_ANTENNA_MASK_APPDATA 0x40000000 /* 30 */
-#define PPI_ANTENNA_MASK_EXT 0x80000000 /* 31 */
-
- /*This second set is for the AntennaFlags bitfield. */
-#define PPI_ANTENNAFLAGS_MASK_MIMO 0x00000001 /* 0 */
-#define PPI_ANTENNAFLAGS_MASK_HPOL 0x00000002 /* 1 */
-#define PPI_ANTENNAFLAGS_MASK_VPOL 0x00000004 /* 2 */
-#define PPI_ANTENNAFLAGS_MASK_CPOL_L 0x00000008 /* 3 */
-#define PPI_ANTENNAFLAGS_MASK_CPOL_R 0x00000010 /* 4 */
-#define PPI_ANTENNAFLAGS_MASK_STEER_ELEC 0x00010000 /* 16 */
-#define PPI_ANTENNAFLAGS_MASK_STEER_MECH 0x00020000 /* 17 */
-
-
- /* Boolean 'present' flags */
- { &hf_ppi_antenna_present_flags,
- { "flags", "ppi_antenna.present.flags",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_FLAGS,
- "Specifies if the flags bitfield is present", HFILL } },
- { &hf_ppi_antenna_present_gaindb,
- { "gaindb", "ppi_antenna.present.gaindb",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_GAINDB,
- "Specifies if the antenna gain field is present", HFILL } },
- { &hf_ppi_antenna_present_horizbw,
- { "horizbw", "ppi_antenna.present.horizbw",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_HORIZBW,
- "Specifies if the horizontal beamwidth field is present", HFILL } },
- { &hf_ppi_antenna_present_vertbw,
- { "vertbw", "ppi_antenna.present.vertbw",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_VERTBW,
- "Specifies if the vertical beamwidth field is present", HFILL } },
- { &hf_ppi_antenna_present_pgain,
- { "pgain", "ppi_antenna.present.pgain",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_PGAIN,
- "Specifies if the precision gain field is present", HFILL } },
- { &hf_ppi_antenna_present_beamid,
- { "beamid", "ppi_antenna.present.beamid",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_BEAMID,
- "Specifies if the BeamID field is present", HFILL } },
- { &hf_ppi_antenna_present_serialnum,
- { "serialnum", "ppi_antenna.present.serialnum",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_SERIALNUM,
- "Specifies if the serial num is present", HFILL } },
- { &hf_ppi_antenna_present_modelname,
- { "modelname", "ppi_antenna.present.modelname",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_MODELSTR,
- "Specifies if the model name is present", HFILL } },
- { &hf_ppi_antenna_present_descstr,
- { "Description", "ppi_antenna.present.descr",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_DESCSTR,
- "Specifies if the description string is present", HFILL } },
-
- { &hf_ppi_antenna_present_appspecific_num,
- { "appid", "ppi_antenna.present.appid",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_APPID,
- "Specifies if the application specific field id is present", HFILL } },
-
- { &hf_ppi_antenna_present_appspecific_data,
- { "appdata", "ppi_antenna.present.appdata",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_APPDATA,
- "Specifies if the application specific data field is present", HFILL } },
-
- { &hf_ppi_antenna_present_ext,
- { "ext", "ppi_antenna.present.ext",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_EXT,
- "Specifies if there are any extensions to the header present", HFILL } },
-
- /*Here we switch to the antennflags bits*/
- /* Boolean AntennaFlags' flags */
- { &hf_ppi_antennaflags_mimo,
- { "mimo", "ppi_antenna.antennaflags.mimo",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_MIMO,
- "Antena is part of MIMO system", HFILL } },
- { &hf_ppi_antennaflags_horizpol,
- { "horizontally polarized", "ppi_antenna.antennaflags.horizpol",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_HPOL,
- "Specifies if the antenna is horizontally polarized", HFILL } },
-
- { &hf_ppi_antennaflags_vertpol,
- { "vertically polarized", "ppi_antenna.antennaflags.vertpol",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_VPOL,
- "Specifies if the antenna is vertically polarized", HFILL } },
-
- { &hf_ppi_antennaflags_circpol_l,
- { "circularly polarized left", "ppi_antenna.antennaflags.circpol_l",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_CPOL_L,
- "Specifies if the antenna is circularly polarized, left handed", HFILL } },
-
- { &hf_ppi_antennaflags_circpol_r,
- { "circularly polarized right", "ppi_antenna.antennaflags.circpol_r",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_CPOL_R,
- "Specifies if the antenna is circularly polarized, right handed", HFILL } },
-
- { &hf_ppi_antennaflags_steer_elec,
- { "electrically steerable", "ppi_antenna.antennaflags.steer_elec",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_STEER_ELEC,
- "Specifies if the antenna is electrically steerable", HFILL } },
-
- { &hf_ppi_antennaflags_steer_mech,
- { "mechanically steerable", "ppi_antenna.antennaflags.steer_mech",
- FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_STEER_MECH,
- "Specifies if the antenna is mechanically steerable", HFILL } },
-
- /* Now we get to the actual data fields */
- { &hf_ppi_antenna_gaindb,
- { "Gain (dBi)", "ppi_antenna.gaindb",
- FT_UINT8, BASE_DEC, NULL, 0x0,
- "Gain of antenna (dBi)", HFILL } },
- { &hf_ppi_antenna_horizbw,
- { "HorizBw", "ppi_antenna.horizbw",
- FT_DOUBLE, BASE_NONE, NULL, 0x0,
- "Horizontal beamwidth", HFILL } },
- { &hf_ppi_antenna_vertbw,
- { "VertBw", "ppi_antenna.vertbw",
- FT_DOUBLE, BASE_NONE, NULL, 0x0,
- "Vertical beamwidth", HFILL } },
- { &hf_ppi_antenna_pgain,
- { "Precision Gain (dBi)", "ppi_antenna.pgain",
- FT_DOUBLE, BASE_NONE, NULL, 0x0,
- "Precision Gain", HFILL } },
- { &hf_ppi_antenna_beamid,
- { "BeamID", "ppi_antenna.beamid",
- FT_UINT16, BASE_HEX, NULL, 0x0,
- "Beam ID", HFILL } },
-
- { &hf_ppi_antenna_serialnum,
- { "SerialNumber", "ppi_antenna.serialnum",
- FT_STRING, BASE_NONE, NULL, 0x0,
- "Serial number", HFILL } } ,
- { &hf_ppi_antenna_modelname,
- { "ModelName", "ppi_antenna.modelname",
- FT_STRING, BASE_NONE, NULL, 0x0,
- "Model name", HFILL } } ,
- { &hf_ppi_antenna_descstr,
- { "Description", "ppi_antenna.descr",
- FT_STRING, BASE_NONE, NULL, 0x0,
- NULL, HFILL } } ,
- { &hf_ppi_antenna_appspecific_num,
- { "Application Specific id", "ppi_antenna.appid",
- FT_UINT32, BASE_HEX, NULL, 0x0,
- "Application-specific identifier", HFILL } },
- { &hf_ppi_antenna_appspecific_data,
- { "Application specific data", "ppi_antenna.appdata",
- FT_BYTES, BASE_NONE, NULL, 0x0,
- "Application-specific data", HFILL } },
- };
- static gint *ett[] = {
- &ett_ppi_antenna,
- &ett_ppi_antenna_present,
- &ett_ppi_antennaflags
- };
-
- proto_ppi_antenna = proto_register_protocol("PPI antenna decoder", "PPI antenna Decoder", "ppi_antenna");
- proto_register_field_array(proto_ppi_antenna, hf, array_length(hf));
- proto_register_subtree_array(ett, array_length(ett));
- register_dissector("ppi_antenna", dissect_ppi_antenna, proto_ppi_antenna);
-
-}
void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
/* The fixed values up front */
guint32 version;
@@ -314,6 +124,7 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
proto_tree *antennaflags_tree = NULL;
proto_tree *pt, *my_pt;
proto_item *ti = NULL;
+ proto_item *antenna_line = NULL;
/* bits */
@@ -325,24 +136,30 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
guint32 t_hbw, t_vbw, t_pgain, t_appspecific_num; /* temporary conversions */
gdouble horizbw, vertbw, pgain;
guint32 flags;
-
+ gchar *curr_str;
int offset = 0;
/* Clear out stuff in the info column */
if (check_col(pinfo->cinfo,COL_INFO)) {
col_clear(pinfo->cinfo,COL_INFO);
}
+ /* pull out the first three fields of the BASE-GEOTAG-HEADER */
version = tvb_get_guint8(tvb, offset);
length = tvb_get_letohs(tvb, offset+2);
present = tvb_get_letohl(tvb, offset+4);
+
+ /* Setup basic column info */
if (check_col(pinfo->cinfo, COL_INFO))
col_add_fstr(pinfo->cinfo, COL_INFO, "PPI Antenna info v%u, Length %u",
version, length);
- /* Dissect the packet */
+
+ /* Create the basic dissection tree*/
if (tree) {
ti = proto_tree_add_protocol_format(tree, proto_ppi_antenna,
- tvb, 0, length, "PPI Antenna Header v%u, Length %u", version, length);
+ tvb, 0, length, "Antenna: ");
+ antenna_line = ti; /* save this for later, we will fill it in with more detail */
+
ppi_antenna_tree= proto_item_add_subtree(ti, ett_ppi_antenna);
proto_tree_add_uint(ppi_antenna_tree, hf_ppi_antenna_version,
tvb, offset, 1, version);
@@ -351,20 +168,34 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
ti = proto_tree_add_uint(ppi_antenna_tree, hf_ppi_antenna_length,
tvb, offset + 2, 2, length);
}
+ /* We support v1 and v2 of Antenna tags (identical) */
+ if (! (version == 1 || version == 2) ) {
+ if (tree)
+ proto_item_append_text(ti, "invalid version (got %d, expected 1 or 2)", version);
+ return;
+ }
+
length_remaining = length;
- /*
- * FIXME: This only works if there is exactly 1 it_present
- * field in the header
- */
+ /* minimum length check, should atleast be a fixed-size geotagging-base header*/
if (length_remaining < PPI_GEOBASE_MIN_HEADER_LEN) {
/*
- * Radiotap header is shorter than the fixed-length portion
+ * Base-geotag-header (Radiotap lookalike) is shorter than the fixed-length portion
* plus one "present" bitset.
*/
if (tree)
- proto_item_append_text(ti, " (bogus - minimum length is 8)");
+ proto_item_append_text(ti, " (invalid - minimum length is 8)");
return;
}
+
+
+ /* perform max length sanity checking */
+ if (length > PPI_ANTENNA_MAXTAGLEN ) {
+ if (tree)
+ proto_item_append_text(ti, "Invalid PPI-Antenna length (got %d, %d max\n)", length, PPI_ANTENNA_MAXTAGLEN);
+ return;
+ }
+
+
/* Subtree for the "present flags" bitfield. */
if (tree) {
pt = proto_tree_add_uint(ppi_antenna_tree, hf_ppi_antenna_present, tvb, offset + 4, 4, present);
@@ -420,6 +251,8 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
gaindb= tvb_get_guint8(tvb, offset);
if (tree) {
proto_tree_add_uint(ppi_antenna_tree, hf_ppi_antenna_gaindb, tvb, offset, 1, gaindb);
+ proto_item_append_text(antenna_line, " Gain: %d", gaindb);
+
}
offset+=1;
length_remaining-=1;
@@ -431,6 +264,7 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
horizbw = fixed3_6_to_gdouble(t_hbw);
if (tree) {
proto_tree_add_double(ppi_antenna_tree, hf_ppi_antenna_horizbw, tvb, offset, 4, horizbw);
+ proto_item_append_text(antenna_line, " HorizBw: %f", horizbw);
}
offset+=4;
length_remaining-=4;
@@ -470,7 +304,9 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
case PPI_ANTENNA_SERIALNUM:
if (length_remaining < 32)
break;
- proto_tree_add_item(ppi_antenna_tree, hf_ppi_antenna_serialnum, tvb, offset, 32, ENC_NA);;
+ if (tree) {
+ proto_tree_add_item(ppi_antenna_tree, hf_ppi_antenna_serialnum, tvb, offset, 32, ENC_NA);
+ }
offset+=32;
length_remaining-=32;
break;
@@ -478,14 +314,24 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
case PPI_ANTENNA_MODELSTR:
if (length_remaining < 32)
break;
- proto_tree_add_item(ppi_antenna_tree, hf_ppi_antenna_modelname, tvb, offset, 32, ENC_NA);
+ if (tree) {
+ /* proto_tree_add_item(ppi_antenna_tree, hf_ppi_antenna_modelname, tvb, offset, 32, ENC_NA); */
+ curr_str = tvb_format_text(tvb, offset, 32);
+ proto_tree_add_string(ppi_antenna_tree, hf_ppi_antenna_modelname, tvb, offset, 32, curr_str);
+ proto_item_append_text(antenna_line, " (%s)", curr_str);
+ }
offset+=32;
length_remaining-=32;
break;
case PPI_ANTENNA_DESCSTR:
if (length_remaining < 32)
break;
- proto_tree_add_item(ppi_antenna_tree, hf_ppi_antenna_descstr, tvb, offset, 32, ENC_NA);
+ if (tree) {
+ /*proto_tree_add_item(ppi_antenna_tree, hf_ppi_antenna_descstr, tvb, offset, 32, ENC_NA);*/
+ curr_str = tvb_format_text(tvb, offset, 32);
+ proto_tree_add_string(ppi_antenna_tree, hf_ppi_antenna_descstr, tvb, offset, 32, curr_str);
+ proto_item_append_text(antenna_line, " (%s)", curr_str);
+ }
offset+=32;
length_remaining-=32;
break;
@@ -522,4 +368,196 @@ void dissect_ppi_antenna(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) {
return;
}
+void
+proto_register_ppi_antenna(void) {
+ /* The following array initializes those header fields declared above to the values displayed */
+ static hf_register_info hf[] = {
+ { &hf_ppi_antenna_version,
+ { "Header revision", "ppi_antenna.version",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Version of ppi_antenna header format", HFILL } },
+ { &hf_ppi_antenna_pad,
+ { "Header pad", "ppi_antenna.pad",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Padding", HFILL } },
+ { &hf_ppi_antenna_length,
+ { "Header length", "ppi_antenna.length",
+ FT_UINT16, BASE_DEC, NULL, 0x0,
+ "Length of header including version, pad, length and data fields", HFILL } },
+ /* This setups the "Antenna flags" hex dropydown thing */
+ { &hf_ppi_antenna_flags,
+ { "Antenna flags", "ppi_antenna.antenna_flags",
+ FT_UINT32, BASE_HEX, NULL, 0x0, "Bitmask indicating polarity, etc", HFILL } },
+ { &hf_ppi_antenna_present,
+ { "Present", "ppi_antenna.present",
+ FT_UINT32, BASE_HEX, NULL, 0x0, "Bitmask indicating which fields are present", HFILL } },
+
+ /* This first set is for the base_tag_header.it_present bitfield */
+#define PPI_ANTENNA_MASK_FLAGS 0x00000001 /* 0 */
+#define PPI_ANTENNA_MASK_GAINDB 0x00000002 /* 1 */
+#define PPI_ANTENNA_MASK_HORIZBW 0x00000004 /* 2 */
+#define PPI_ANTENNA_MASK_VERTBW 0x00000008 /* 3 */
+#define PPI_ANTENNA_MASK_PGAIN 0x00000010 /* 4 */
+#define PPI_ANTENNA_MASK_BEAMID 0x00000020 /* 5 */
+#define PPI_ANTENNA_MASK_RES7 0x00000080 /* 7 */
+#define PPI_ANTENNA_MASK_SERIALNUM 0x04000000 /* 26 */
+#define PPI_ANTENNA_MASK_MODELSTR 0x08000000 /* 27 */
+#define PPI_ANTENNA_MASK_DESCSTR 0x10000000 /* 28 */
+#define PPI_ANTENNA_MASK_APPID 0x20000000 /* 29 */
+#define PPI_ANTENNA_MASK_APPDATA 0x40000000 /* 30 */
+#define PPI_ANTENNA_MASK_EXT 0x80000000 /* 31 */
+
+ /*This second set is for the AntennaFlags bitfield. */
+#define PPI_ANTENNAFLAGS_MASK_MIMO 0x00000001 /* 0 */
+#define PPI_ANTENNAFLAGS_MASK_HPOL 0x00000002 /* 1 */
+#define PPI_ANTENNAFLAGS_MASK_VPOL 0x00000004 /* 2 */
+#define PPI_ANTENNAFLAGS_MASK_CPOL_L 0x00000008 /* 3 */
+#define PPI_ANTENNAFLAGS_MASK_CPOL_R 0x00000010 /* 4 */
+#define PPI_ANTENNAFLAGS_MASK_STEER_ELEC 0x00010000 /* 16 */
+#define PPI_ANTENNAFLAGS_MASK_STEER_MECH 0x00020000 /* 17 */
+
+
+ /* Boolean 'present' flags */
+ { &hf_ppi_antenna_present_flags,
+ { "flags", "ppi_antenna.present.flags",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_FLAGS,
+ "Specifies if the flags bitfield is present", HFILL } },
+ { &hf_ppi_antenna_present_gaindb,
+ { "gaindb", "ppi_antenna.present.gaindb",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_GAINDB,
+ "Specifies if the antenna gain field is present", HFILL } },
+ { &hf_ppi_antenna_present_horizbw,
+ { "horizbw", "ppi_antenna.present.horizbw",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_HORIZBW,
+ "Specifies if the horizontal beamwidth field is present", HFILL } },
+ { &hf_ppi_antenna_present_vertbw,
+ { "vertbw", "ppi_antenna.present.vertbw",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_VERTBW,
+ "Specifies if the vertical beamwidth field is present", HFILL } },
+ { &hf_ppi_antenna_present_pgain,
+ { "pgain", "ppi_antenna.present.pgain",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_PGAIN,
+ "Specifies if the precision gain field is present", HFILL } },
+ { &hf_ppi_antenna_present_beamid,
+ { "beamid", "ppi_antenna.present.beamid",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_BEAMID,
+ "Specifies if the BeamID field is present", HFILL } },
+ { &hf_ppi_antenna_present_serialnum,
+ { "serialnum", "ppi_antenna.present.serialnum",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_SERIALNUM,
+ "Specifies if the serial num is present", HFILL } },
+ { &hf_ppi_antenna_present_modelname,
+ { "modelname", "ppi_antenna.present.modelname",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_MODELSTR,
+ "Specifies if the model name is present", HFILL } },
+ { &hf_ppi_antenna_present_descstr,
+ { "Description", "ppi_antenna.present.descr",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_DESCSTR,
+ "Specifies if the description string is present", HFILL } },
+
+ { &hf_ppi_antenna_present_appspecific_num,
+ { "appid", "ppi_antenna.present.appid",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_APPID,
+ "Specifies if the application specific field id is present", HFILL } },
+
+ { &hf_ppi_antenna_present_appspecific_data,
+ { "appdata", "ppi_antenna.present.appdata",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_APPDATA,
+ "Specifies if the application specific data field is present", HFILL } },
+
+ { &hf_ppi_antenna_present_ext,
+ { "ext", "ppi_antenna.present.ext",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNA_MASK_EXT,
+ "Specifies if there are any extensions to the header present", HFILL } },
+
+ /*Here we switch to the antennflags bits*/
+ /* Boolean AntennaFlags' flags */
+ { &hf_ppi_antennaflags_mimo,
+ { "mimo", "ppi_antenna.antennaflags.mimo",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_MIMO,
+ "Antena is part of MIMO system", HFILL } },
+ { &hf_ppi_antennaflags_horizpol,
+ { "horizontally polarized", "ppi_antenna.antennaflags.horizpol",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_HPOL,
+ "Specifies if the antenna is horizontally polarized", HFILL } },
+
+ { &hf_ppi_antennaflags_vertpol,
+ { "vertically polarized", "ppi_antenna.antennaflags.vertpol",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_VPOL,
+ "Specifies if the antenna is vertically polarized", HFILL } },
+ { &hf_ppi_antennaflags_circpol_l,
+ { "circularly polarized left", "ppi_antenna.antennaflags.circpol_l",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_CPOL_L,
+ "Specifies if the antenna is circularly polarized, left handed", HFILL } },
+
+ { &hf_ppi_antennaflags_circpol_r,
+ { "circularly polarized right", "ppi_antenna.antennaflags.circpol_r",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_CPOL_R,
+ "Specifies if the antenna is circularly polarized, right handed", HFILL } },
+
+ { &hf_ppi_antennaflags_steer_elec,
+ { "electrically steerable", "ppi_antenna.antennaflags.steer_elec",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_STEER_ELEC,
+ "Specifies if the antenna is electrically steerable", HFILL } },
+
+ { &hf_ppi_antennaflags_steer_mech,
+ { "mechanically steerable", "ppi_antenna.antennaflags.steer_mech",
+ FT_BOOLEAN, 32, NULL, PPI_ANTENNAFLAGS_MASK_STEER_MECH,
+ "Specifies if the antenna is mechanically steerable", HFILL } },
+
+ /* Now we get to the actual data fields */
+ { &hf_ppi_antenna_gaindb,
+ { "Gain (dBi)", "ppi_antenna.gaindb",
+ FT_UINT8, BASE_DEC, NULL, 0x0,
+ "Gain of antenna (dBi)", HFILL } },
+ { &hf_ppi_antenna_horizbw,
+ { "HorizBw", "ppi_antenna.horizbw",
+ FT_DOUBLE, BASE_NONE, NULL, 0x0,
+ "Horizontal beamwidth", HFILL } },
+ { &hf_ppi_antenna_vertbw,
+ { "VertBw", "ppi_antenna.vertbw",
+ FT_DOUBLE, BASE_NONE, NULL, 0x0,
+ "Vertical beamwidth", HFILL } },
+ { &hf_ppi_antenna_pgain,
+ { "Precision Gain (dBi)", "ppi_antenna.pgain",
+ FT_DOUBLE, BASE_NONE, NULL, 0x0,
+ "Precision Gain", HFILL } },
+ { &hf_ppi_antenna_beamid,
+ { "BeamID", "ppi_antenna.beamid",
+ FT_UINT16, BASE_HEX, NULL, 0x0,
+ "Beam ID", HFILL } },
+
+ { &hf_ppi_antenna_serialnum,
+ { "SerialNumber", "ppi_antenna.serialnum",
+ FT_STRING, BASE_NONE, NULL, 0x0,
+ "Serial number", HFILL } } ,
+ { &hf_ppi_antenna_modelname,
+ { "ModelName", "ppi_antenna.modelname",
+ FT_STRING, BASE_NONE, NULL, 0x0,
+ "Model name", HFILL } } ,
+ { &hf_ppi_antenna_descstr,
+ { "Description", "ppi_antenna.descr",
+ FT_STRING, BASE_NONE, NULL, 0x0,
+ NULL, HFILL } } ,
+ { &hf_ppi_antenna_appspecific_num,
+ { "Application Specific id", "ppi_antenna.appid",
+ FT_UINT32, BASE_HEX, NULL, 0x0,
+ "Application-specific identifier", HFILL } },
+ { &hf_ppi_antenna_appspecific_data,
+ { "Application specific data", "ppi_antenna.appdata",
+ FT_BYTES, BASE_NONE, NULL, 0x0,
+ "Application-specific data", HFILL } },
+ };
+ static gint *ett[] = {
+ &ett_ppi_antenna,
+ &ett_ppi_antenna_present,
+ &ett_ppi_antennaflags
+ };
+
+ proto_ppi_antenna = proto_register_protocol("PPI antenna decoder", "PPI antenna Decoder", "ppi_antenna");
+ proto_register_field_array(proto_ppi_antenna, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
+ register_dissector("ppi_antenna", dissect_ppi_antenna, proto_ppi_antenna);
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-29 07:13:33 +0000