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Add a generated lapd.direction field/filter. 

svn path=/trunk/; revision=23462
This commit is contained in:
Martin Mathieson 2007-11-15 18:37:50 +00:00
parent d572ee6403
commit fe11ad092b
1 changed files with 18 additions and 0 deletions
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18
epan/dissectors/packet-lapd.c
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@ -46,6 +46,7 @@
*/
static int proto_lapd = -1;
static int hf_lapd_direction = -1;
static int hf_lapd_address = -1;
static int hf_lapd_sapi = -1;
static int hf_lapd_gsm_sapi = -1;
@ -91,6 +92,12 @@ static dissector_handle_t tei_handle;
#define LAPD_TEI_SHIFT 1
#define LAPD_EA2 0x0001 /* Second Address Extension bit */
static const value_string lapd_direction_vals[] = {
{ P2P_DIR_RECV, "Network->User"},
{ P2P_DIR_SENT, "User->Network"},
{ 0, NULL }
};
static const value_string lapd_sapi_vals[] = {
{ LAPD_SAPI_Q931, "Q.931 Call control procedure" },
{ LAPD_SAPI_PM_Q931, "Packet mode Q.931 Call control procedure" },
@ -215,10 +222,16 @@ dissect_lapd(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
col_set_str(pinfo->cinfo, COL_RES_DL_DST, dstname);
if (tree) {
proto_item *direction_ti;
lapd_ti = proto_tree_add_item(tree, proto_lapd, tvb, 0, -1,
FALSE);
lapd_tree = proto_item_add_subtree(lapd_ti, ett_lapd);
direction_ti = proto_tree_add_uint(lapd_tree, hf_lapd_direction,
tvb, 0, 0, pinfo->p2p_dir);
PROTO_ITEM_SET_GENERATED(direction_ti);
addr_ti = proto_tree_add_uint(lapd_tree, hf_lapd_address, tvb,
0, 2, address);
addr_tree = proto_item_add_subtree(addr_ti, ett_lapd_address);
@ -279,6 +292,11 @@ void
proto_register_lapd(void)
{
static hf_register_info hf[] = {
{ &hf_lapd_direction,
{ "Direction", "lapd.direction", FT_UINT8, BASE_DEC, VALS(lapd_direction_vals), 0x0,
"Direction", HFILL }},
{ &hf_lapd_address,
{ "Address Field", "lapd.address", FT_UINT16, BASE_HEX, NULL, 0x0,
"Address", HFILL }},