diff options
Diffstat (limited to 'epan/dissectors/packet-hci_h1.c')
| -rw-r--r-- | epan/dissectors/packet-hci_h1.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/epan/dissectors/packet-hci_h1.c b/epan/dissectors/packet-hci_h1.c new file mode 100644 index 0000000000..66aea2dcea --- /dev/null +++ b/epan/dissectors/packet-hci_h1.c @@ -0,0 +1,134 @@ +/* packet-hci_h1.c + * Routines for the Bluetooth HCI h1 dissection + * + * $Id$ + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <epan/packet.h> + +#include "packet-hci_h1.h" + + +static int proto_hci_h1 = -1; +static int hf_hci_h1_type = -1; +static int hf_hci_h1_direction = -1; + +static gint ett_hci_h1 = -1; + +static dissector_table_t hci_h1_table; +static dissector_handle_t data_handle; + + +static const value_string hci_h1_type_vals[] = { + {BTHCI_CHANNEL_COMMAND, "HCI Command"}, + {BTHCI_CHANNEL_ACL, "ACL Data"}, + {BTHCI_CHANNEL_SCO, "SCO Data"}, + {BTHCI_CHANNEL_EVENT, "HCI Event"}, + {0, NULL } +}; +static const value_string hci_h1_direction_vals[] = { + {0, "Sent"}, + {1, "Rcvd"}, + {0, NULL} +}; + +static void +dissect_hci_h1(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) +{ + guint8 type; + tvbuff_t *next_tvb; + proto_item *ti=NULL; + proto_tree *hci_h1_tree=NULL; + + if(check_col(pinfo->cinfo, COL_PROTOCOL)) + col_set_str(pinfo->cinfo, COL_PROTOCOL, "HCI"); + + if(check_col(pinfo->cinfo, COL_INFO)) + col_clear(pinfo->cinfo, COL_INFO); + + type = pinfo->pseudo_header->bthci.channel; + + if(tree){ + ti = proto_tree_add_item(tree, proto_hci_h1, tvb, 0, 1, FALSE); + hci_h1_tree = proto_item_add_subtree(ti, ett_hci_h1); + } + + if(check_col(pinfo->cinfo, COL_INFO)){ + col_add_fstr(pinfo->cinfo, COL_INFO, "%s %s",pinfo->p2p_dir==P2P_DIR_SENT?"Sent":"Rcvd",val_to_str(type, hci_h1_type_vals, "Unknown 0x%02x")); + } + ti=proto_tree_add_uint(hci_h1_tree, hf_hci_h1_direction, tvb, 0, 0, pinfo->p2p_dir); + PROTO_ITEM_SET_GENERATED(ti); + proto_item_append_text(hci_h1_tree, " %s %s", val_to_str(pinfo->p2p_dir, hci_h1_direction_vals, "0x%02x"), val_to_str(type, hci_h1_type_vals, "Unknown 0x%02x")); + + next_tvb = tvb_new_subset(tvb, 0, -1, -1); + if(!dissector_try_port(hci_h1_table, type, next_tvb, pinfo, tree)) { + call_dissector(data_handle, next_tvb, pinfo, tree); + } +} + + +void +proto_register_hci_h1(void) +{ + static hf_register_info hf[] = { + { &hf_hci_h1_type, + { "HCI Packet Type", "hci_h1.type", + FT_UINT8, BASE_HEX, VALS(hci_h1_type_vals), 0x0, + "HCI Packet Type", HFILL }}, + + { &hf_hci_h1_direction, + { "Direction", "hci_h1.direction", + FT_UINT8, BASE_HEX, VALS(hci_h1_direction_vals), 0x0, + "HCI Packet Direction Sent/Rcvd", HFILL }}, + + }; + + static gint *ett[] = { + &ett_hci_h1, + }; + + proto_hci_h1 = proto_register_protocol("Bluetooth HCI", + "HCI_H1", "hci_h1"); + + register_dissector("hci_h1", dissect_hci_h1, proto_hci_h1); + + proto_register_field_array(proto_hci_h1, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + hci_h1_table = register_dissector_table("hci_h1.type", + "HCI h1 pdu type", FT_UINT8, BASE_HEX); +} + +void +proto_reg_handoff_hci_h1(void) +{ + dissector_handle_t hci_h1_handle; + + data_handle = find_dissector("data"); + hci_h1_handle = find_dissector("hci_h1"); + dissector_add("wtap_encap", WTAP_ENCAP_BLUETOOTH_HCI, hci_h1_handle); +} + + |