/* packet-btl2cap.c * Routines for the Bluetooth L2CAP dissection * Copyright 2002, Christoph Scholz * * $Id: packet-btl2cap.c,v 1.6 2003/03/26 15:53:15 kds Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs * 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 #include #include #include #include "packet-btl2cap.h" /* Initialize the protocol and registered fields */ static int proto_btl2cap = -1; static int hf_btl2cap_length = -1; static int hf_btl2cap_cid = -1; static int hf_btl2cap_payload = -1; static int hf_btl2cap_command = -1; static int hf_btl2cap_cmd_code = -1; static int hf_btl2cap_cmd_ident = -1; static int hf_btl2cap_cmd_length = -1; static int hf_btl2cap_cmd_data = -1; static int hf_btl2cap_psm = -1; static int hf_btl2cap_scid = -1; static int hf_btl2cap_dcid = -1; static int hf_btl2cap_result = -1; static int hf_btl2cap_status = -1; static int hf_btl2cap_rej_reason = -1; static int hf_btl2cap_sig_mtu = -1; static int hf_btl2cap_info_mtu = -1; static int hf_btl2cap_info_type = -1; static int hf_btl2cap_info_result = -1; static int hf_btl2cap_continuation_flag = -1; static int hf_btl2cap_configuration_result = -1; static int hf_btl2cap_option = -1; static int hf_btl2cap_option_type = -1; static int hf_btl2cap_option_length = -1; static int hf_btl2cap_option_mtu = -1; static int hf_btl2cap_option_flushTO = -1; static int hf_btl2cap_option_flags = -1; static int hf_btl2cap_option_service_type = -1; static int hf_btl2cap_option_tokenrate = -1; static int hf_btl2cap_option_tokenbucketsize = -1; static int hf_btl2cap_option_peakbandwidth = -1; static int hf_btl2cap_option_latency = -1; static int hf_btl2cap_option_delayvariation = -1; /* Initialize the subtree pointers */ static gint ett_btl2cap = -1; static gint ett_btl2cap_cmd = -1; static gint ett_btl2cap_option = -1; /* Initialize dissector table */ dissector_table_t l2cap_psm_dissector_table; /* This table maps cid values to psm values. * The same table is used both for SCID and DCID. * For received CIDs we mask the cid with 0x8000 in this table */ static se_tree_t *cid_to_psm_table = NULL; typedef struct _psm_data_t { guint16 psm; } psm_data_t; static const value_string command_code_vals[] = { { 0x01, "Command Reject" }, { 0x02, "Connection Request" }, { 0x03, "Connection Response" }, { 0x04, "Configure Request" }, { 0x05, "Configure Response" }, { 0x06, "Disconnect Request" }, { 0x07, "Disconnect Response" }, { 0x08, "Echo Request" }, { 0x09, "Echo Response" }, { 0x0A, "Information Request" }, { 0x0B, "Information Response" }, { 0, NULL } }; static const value_string psm_vals[] = { { 0x0001, "SDP" }, { 0x0003, "RFCOMM" }, { 0x0005, "TCS-BIN" }, { 0x0007, "TCS-BIN-CORDLESS" }, { 0x000F, "BNEP" }, { 0x0011, "HID_CONTROL" }, { 0x0013, "HID_INTERRUPT" }, { 0x0015, "UPnP" }, { 0x0017, "AVCTP" }, { 0x0019, "AVDTP" }, { 0x001D, "UDI_C-Plane" }, { 0, NULL } }; static const value_string result_vals[] = { { 0x0000, "Connection successful" }, { 0x0001, "Connection pending" }, { 0x0002, "Connection Refused - PSM not supported" }, { 0x0003, "Connection refused - security block" }, { 0x0004, "Connection refused - no resources available" }, { 0, NULL } }; static const value_string configuration_result_vals[] = { { 0x0000, "Success"}, { 0x0001, "Failure - unacceptable parameters" }, { 0x0002, "Failure - reject (no reason provided)" }, { 0x0003, "Failure - unknown options" }, { 0, NULL } }; static const value_string status_vals[] = { { 0x0000, "No further information available" }, { 0x0001, "Authentication panding" }, { 0x0002, "Authorization pending" }, { 0, NULL } }; static const value_string reason_vals[] = { { 0x0000, "Command not understood" }, { 0x0001, "Signaling MTU exceeded" }, { 0x0002, "Invalid CID in request" }, { 0, NULL } }; static const value_string info_type_vals[] = { { 0x0001, "Connectionless MTU" }, { 0, NULL } }; static const value_string info_result_vals[] = { { 0x0000, "Success" }, { 0x0001, "Not Supported" }, { 0, NULL } }; static const value_string option_servicetype_vals[] = { { 0x00, "No traffic" }, { 0x01, "Best effort (Default)" }, { 0x02, "Guaranteed" }, { 0, NULL } }; static const value_string option_type_vals[] = { { 0x01, "Maximum Transmission Unit" }, { 0x02, "Flush Timeout" }, { 0x03, "Quality of Service" }, { 0, NULL } }; static int dissect_comrej(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) { guint16 reason; reason = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_rej_reason, tvb, offset, 2, TRUE); offset+=2; switch(reason){ case 0x0000: /* Command not understood */ break; case 0x0001: /* Signaling MTU exceeded */ proto_tree_add_item(tree, hf_btl2cap_sig_mtu, tvb, offset, 2, TRUE); offset+=2; break; case 0x0002: /* Invalid CID in requets */ proto_tree_add_item(tree, hf_btl2cap_scid, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_dcid, tvb, offset, 2, TRUE); offset+=2; break; default: break; } return offset; } static int dissect_connrequest(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) { guint16 scid, psm; psm_data_t *psm_data; psm=tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_psm, tvb, offset, 2, TRUE); offset+=2; scid=tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_scid, tvb, offset, 2, TRUE); offset+=2; if (pinfo->fd->flags.visited == 0) { psm_data=se_alloc(sizeof(psm_data_t)); psm_data->psm=psm; se_tree_insert32(cid_to_psm_table, scid|((pinfo->p2p_dir == P2P_DIR_RECV)?0x8000:0x0000), psm_data); } return offset; } static int dissect_options(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, int length) { proto_item *ti_option=NULL; proto_tree *ti_option_subtree=NULL; guint8 option_type, option_length; if(length>0){ option_type = tvb_get_guint8(tvb, offset); option_length = tvb_get_guint8(tvb, offset+1); ti_option = proto_tree_add_none_format(tree, hf_btl2cap_option, tvb, offset, option_length + 2, "Option: "); ti_option_subtree = proto_item_add_subtree(ti_option, ett_btl2cap_option); proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_type, tvb, offset, 1, TRUE); proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_length, tvb, offset+1, 1, TRUE); offset+=2; if(option_length>0){ switch(option_type){ case 0x01: /* MTU */ proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_mtu, tvb, offset, 2, TRUE); offset+=2; proto_item_append_text(ti_option, "MTU"); break; case 0x02: /* Flush timeout */ proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_flushTO, tvb, offset, 2, TRUE); offset+=2; proto_item_append_text(ti_option, "Flush Timeout"); break; case 0x03: /* QOS */ proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_flags, tvb, offset, 1, TRUE); offset++; proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_service_type, tvb, offset, 1, TRUE); offset++; proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_tokenrate, tvb, offset, 4, TRUE); offset+=4; proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_tokenbucketsize, tvb, offset, 4, TRUE); offset+=4; proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_peakbandwidth, tvb, offset, 4, TRUE); offset+=4; proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_latency, tvb, offset, 4, TRUE); offset+=4; proto_tree_add_item(ti_option_subtree, hf_btl2cap_option_delayvariation, tvb, offset, 4, TRUE); offset+=4; proto_item_append_text(ti_option, "QOS"); break; default: proto_item_append_text(ti_option, "unknown"); offset+=tvb_length_remaining(tvb, offset); break; } } offset+=dissect_options(tvb, offset, pinfo, tree, tvb_length_remaining(tvb, offset)); } return offset; } static int dissect_configrequest(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) { proto_tree_add_item(tree, hf_btl2cap_dcid, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_continuation_flag, tvb, offset, 2, TRUE); offset+=2; if(tvb_length_remaining(tvb, offset)){ offset=dissect_options(tvb, offset, pinfo, tree, tvb_length_remaining(tvb, offset)); } return offset; } static int dissect_inforequest(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) { proto_tree_add_item(tree, hf_btl2cap_info_type, tvb, offset, 2, TRUE); offset+=2; return offset; } static int dissect_inforesponse(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) { guint16 info_type; info_type=tvb_get_ntohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_info_type, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_info_result, tvb, offset, 2, TRUE); offset+=2; if(tvb_length_remaining(tvb, offset)) { switch(info_type){ case 0x0001: /* Connectionless MTU */ proto_tree_add_item(tree, hf_btl2cap_info_mtu, tvb, offset, 2, TRUE); offset+=2; break; default: proto_tree_add_item(tree, hf_btl2cap_cmd_data, tvb, offset, -1, TRUE); offset+=tvb_length_remaining(tvb, offset); break; } } return offset; } static int dissect_configresponse(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) { proto_tree_add_item(tree, hf_btl2cap_scid, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_continuation_flag, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_configuration_result, tvb, offset, 2, TRUE); offset+=2; if(tvb_length_remaining(tvb, offset)){ offset=dissect_options(tvb, offset, pinfo, tree, tvb_length_remaining(tvb, offset)); } return offset; } static int dissect_connresponse(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree) { guint16 scid, dcid; psm_data_t *psm_data; dcid = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_dcid, tvb, offset, 2, TRUE); offset+=2; scid = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_scid, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_result, tvb, offset, 2, TRUE); offset+=2; proto_tree_add_item(tree, hf_btl2cap_status, tvb, offset, 2, TRUE); offset+=2; if (pinfo->fd->flags.visited == 0) { if((psm_data=se_tree_lookup32(cid_to_psm_table, scid|((pinfo->p2p_dir==P2P_DIR_RECV)?0x0000:0x8000)))){ se_tree_insert32(cid_to_psm_table, dcid|((pinfo->p2p_dir == P2P_DIR_RECV)?0x8000:0x0000), psm_data); } } return offset; } static int dissect_disconnrequestresponse(tvbuff_t *tvb, int offset, packet_info *pinfo _U_, proto_tree *tree) { guint16 scid, dcid; dcid = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_dcid, tvb, offset, 2, TRUE); offset+=2; scid = tvb_get_letohs(tvb, offset); proto_tree_add_item(tree, hf_btl2cap_scid, tvb, offset, 2, TRUE); offset+=2; return offset; } /* Code to actually dissect the packets */ static void dissect_btl2cap(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { int offset=0; proto_item *ti=NULL; proto_tree *btl2cap_tree=NULL; guint16 length, cid; guint16 psm; tvbuff_t *next_tvb; psm_data_t *psm_data; if(check_col(pinfo->cinfo, COL_PROTOCOL)){ col_set_str(pinfo->cinfo, COL_PROTOCOL, "L2CAP"); } if(check_col(pinfo->cinfo, COL_INFO)){ col_clear(pinfo->cinfo, COL_INFO); col_add_str(pinfo->cinfo, COL_INFO, pinfo->p2p_dir == P2P_DIR_SENT ? "Sent " : "Rcvd "); } if(tree){ ti=proto_tree_add_item(tree, proto_btl2cap, tvb, offset, -1, FALSE); btl2cap_tree=proto_item_add_subtree(ti, ett_btl2cap); } length = tvb_get_letohs(tvb, offset); proto_tree_add_item(btl2cap_tree, hf_btl2cap_length, tvb, offset, 2, TRUE); offset+=2; cid = tvb_get_letohs(tvb, offset); proto_tree_add_item(btl2cap_tree, hf_btl2cap_cid, tvb, offset, 2, TRUE); offset+=2; if(cid==0x0001){ /* This is a command packet*/ while(offset<(length+4)) { proto_tree *btl2cap_cmd_tree=NULL; proto_item *ti_command=NULL; guint8 cmd_code; guint16 cmd_length; ti_command=proto_tree_add_none_format(btl2cap_tree, hf_btl2cap_command, tvb, offset, -1, "Command: "); btl2cap_cmd_tree=proto_item_add_subtree(ti_command, ett_btl2cap_cmd); cmd_code=tvb_get_guint8(tvb, offset); proto_tree_add_item(btl2cap_cmd_tree, hf_btl2cap_cmd_code, tvb, offset, 1, TRUE); offset++; proto_tree_add_item(btl2cap_cmd_tree, hf_btl2cap_cmd_ident, tvb, offset, 1, TRUE); offset++; cmd_length=tvb_get_letohs(tvb, offset+2); proto_tree_add_item(btl2cap_cmd_tree, hf_btl2cap_cmd_length, tvb, offset, 2, TRUE); proto_item_set_len(ti_command, cmd_length+4); offset+=2; switch(cmd_code) { case 0x01: /* Command Reject */ offset=dissect_comrej(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Command Reject"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Command Reject"); } break; case 0x02: /* Connection Request */ offset=dissect_connrequest(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Connection Request"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Connection Request"); } break; case 0x03: /* Connection Response */ offset=dissect_connresponse(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Connection Response"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Connection Response"); } break; case 0x04: /* Configure Request */ offset=dissect_configrequest(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Configure Request"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Configure Request"); } break; case 0x05: /* Configure Response */ offset=dissect_configresponse(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Configure Response"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Configure Response"); } break; case 0x06: /* Disconnect Request */ offset=dissect_disconnrequestresponse(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Disconnect Request"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Disconnect Request"); } break; case 0x07: /* Disconnect Response */ offset=dissect_disconnrequestresponse(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Disconnect Response"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Disconnect Response"); } break; case 0x08: /* Echo Request */ proto_item_append_text(ti_command, "Echo Request"); offset+=tvb_length_remaining(tvb, offset); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Echo Request"); } break; case 0x09: /* Echo Response */ proto_item_append_text(ti_command, "Echo Response"); offset+=tvb_length_remaining(tvb, offset); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Echo Response"); } break; case 0x0a: /* Information Request */ offset=dissect_inforequest(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Information Request"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Information Request"); } break; case 0x0b: /* Information Response */ offset=dissect_inforesponse(tvb, offset, pinfo, btl2cap_cmd_tree); proto_item_append_text(ti_command, "Information Response"); if ((check_col(pinfo->cinfo, COL_INFO))){ col_append_str(pinfo->cinfo, COL_INFO, "Information Response"); } break; default: proto_tree_add_item(btl2cap_cmd_tree, hf_btl2cap_cmd_data, tvb, offset, -1, TRUE); offset+=tvb_length_remaining(tvb, offset); break; } } } else if (cid == 0x0002) { /* Connectionless reception channel */ if(check_col(pinfo->cinfo, COL_INFO)){ col_append_str(pinfo->cinfo, COL_INFO, "Connectionless reception channel"); } psm = tvb_get_letohs(tvb, offset); proto_tree_add_item(btl2cap_tree, hf_btl2cap_psm, tvb, offset, 2, TRUE); offset+=2; next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), length); /* call next dissector */ if(!dissector_try_port(l2cap_psm_dissector_table, (guint32) psm, next_tvb, pinfo, tree)){ /* unknown protocol. declare as data */ proto_tree_add_item(btl2cap_tree, hf_btl2cap_payload, tvb, offset, -1, TRUE); } offset+=tvb_length_remaining(tvb, offset); } else if((cid >= 0x0040) && (cid <= 0xFFFF)){ /* Connection oriented channel */ if(check_col(pinfo->cinfo, COL_INFO)){ col_append_str(pinfo->cinfo, COL_INFO, "Connection oriented channel"); } if((psm_data=se_tree_lookup32(cid_to_psm_table, cid|((pinfo->p2p_dir==P2P_DIR_RECV)?0x0000:0x8000)))){ psm=psm_data->psm; } else { psm=0; } next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), length); if(psm){ /* call next dissector */ if (!dissector_try_port(l2cap_psm_dissector_table, (guint32) psm, next_tvb, pinfo, tree)) { /* unknown protocol. declare as data */ proto_tree_add_item(btl2cap_tree, hf_btl2cap_payload, tvb, offset, -1, TRUE); } offset+=tvb_length_remaining(tvb, offset); } else { proto_tree_add_item(btl2cap_tree, hf_btl2cap_payload, tvb, offset, -1, TRUE); offset+=tvb_length_remaining(tvb, offset); } } else { /* Something else */ if(check_col(pinfo->cinfo, COL_INFO)){ col_clear(pinfo->cinfo, COL_INFO); } proto_tree_add_item(btl2cap_tree, hf_btl2cap_payload, tvb, offset, -1, TRUE); offset+=tvb_length_remaining(tvb, offset); } } /* Register the protocol with Ethereal */ void proto_register_btl2cap(void) { /* Setup list of header fields See Section 1.6.1 for details*/ static hf_register_info hf[] = { { &hf_btl2cap_length, { "Length", "btl2cap.length", FT_UINT16, BASE_DEC, NULL, 0x0, "L2CAP Payload Length", HFILL } }, { &hf_btl2cap_cid, { "CID", "btl2cap.cid", FT_UINT16, BASE_HEX, NULL, 0x0, "L2CAP Channel Identifier", HFILL } }, { &hf_btl2cap_payload, { "Payload", "btl2cap.payload", FT_NONE, BASE_NONE, NULL, 0x0, "L2CAP Payload", HFILL } }, { &hf_btl2cap_command, { "Command", "btl2cap.command", FT_NONE, BASE_NONE, NULL, 0x0, "L2CAP Command", HFILL } }, { &hf_btl2cap_cmd_code, { "Command Code", "btl2cap.cmd_code", FT_UINT8, BASE_HEX, VALS(command_code_vals), 0x0, "L2CAP Command Code", HFILL } }, { &hf_btl2cap_cmd_ident, { "Command Identifier", "btl2cap.cmd_ident", FT_UINT8, BASE_HEX, NULL, 0x0, "L2CAP Command Identifier", HFILL } }, { &hf_btl2cap_cmd_length, { "Command Length", "btl2cap.cmd_length", FT_UINT8, BASE_DEC, NULL, 0x0, "L2CAP Command Length", HFILL } }, { &hf_btl2cap_cmd_data, { "Command Data", "btl2cap.cmd_data", FT_NONE, BASE_NONE, NULL, 0x0, "L2CAP Command Data", HFILL } }, { &hf_btl2cap_psm, { "PSM", "btl2cap.psm", FT_UINT16, BASE_HEX, VALS(psm_vals), 0x0, "Protocol/Service Multiplexor", HFILL } }, { &hf_btl2cap_scid, { "Source CID", "btl2cap.scid", FT_UINT16, BASE_HEX, NULL, 0x0, "Source Channel Identifier", HFILL } }, { &hf_btl2cap_dcid, { "Destination CID", "btl2cap.dcid", FT_UINT16, BASE_HEX, NULL, 0x0, "Destination Channel Identifier", HFILL } }, { &hf_btl2cap_result, { "Result", "btl2cap.result", FT_UINT16, BASE_HEX, VALS(result_vals), 0x0, "Result", HFILL } }, { &hf_btl2cap_status, { "Status", "btl2cap.status", FT_UINT16, BASE_HEX, VALS(status_vals), 0x0, "Status", HFILL } }, { &hf_btl2cap_rej_reason, { "Reason", "btl2cap.rej_reason", FT_UINT16, BASE_HEX, VALS(reason_vals), 0x0, "Reason", HFILL } }, { &hf_btl2cap_sig_mtu, { "Maximum Signalling MTU", "btl2cap.sig_mtu", FT_UINT16, BASE_DEC, NULL, 0x0, "Maximum Signalling MTU", HFILL } }, { &hf_btl2cap_info_mtu, { "Remote Entity MTU", "btl2cap.info_mtu", FT_UINT16, BASE_DEC, NULL, 0x0, "Remote entitiys acceptable connectionless MTU", HFILL } }, { &hf_btl2cap_info_type, { "Information Type", "btl2cap.info_type", FT_UINT16, BASE_HEX, VALS(info_type_vals), 0x0, "Type of implementation-specific information", HFILL } }, { &hf_btl2cap_info_result, { "Result", "btl2cap.info_result", FT_UINT16, BASE_HEX, VALS(info_result_vals), 0x0, "Information about the success of the request", HFILL } }, { &hf_btl2cap_continuation_flag, { "Continuation Flag", "btl2cap.continuation", FT_BOOLEAN, BASE_DEC, NULL, 0x0001, "Continuation Flag", HFILL } }, { &hf_btl2cap_configuration_result, { "Result", "btl2cap.conf_result", FT_UINT16, BASE_HEX, VALS(configuration_result_vals), 0x0, "Configuration Result", HFILL } }, { &hf_btl2cap_option_type, { "Type", "btl2cap.option_type", FT_UINT8, BASE_HEX, VALS(option_type_vals), 0x0, "Type of option", HFILL } }, { &hf_btl2cap_option_length, { "Length", "btl2cap.option_length", FT_UINT8, BASE_DEC, NULL, 0x0, "Number of octets in option payload ", HFILL } }, { &hf_btl2cap_option_mtu, { "MTU", "btl2cap.option_mtu", FT_UINT16, BASE_DEC, NULL, 0x0, "Maximum Transmission Unit", HFILL } }, { &hf_btl2cap_option_flushTO, { "Flush Timeout (ms)", "btl2cap.option_flushto", FT_UINT16, BASE_DEC, NULL, 0x0, "Flush Timeout in milliseconds", HFILL } }, { &hf_btl2cap_option_flags, { "Flags", "btl2cap.option_flags", FT_UINT8, BASE_HEX, NULL, 0x0, "Flags - must be set to 0 (Reserved for future use)", HFILL } }, { &hf_btl2cap_option_service_type, { "Service Type", "btl2cap.option_servicetype", FT_UINT8, BASE_HEX, VALS(option_servicetype_vals), 0x0, "Level of service required", HFILL } }, { &hf_btl2cap_option_tokenrate, { "Token Rate (bytes/s)", "btl2cap.option_tokenrate", FT_UINT32, BASE_DEC, NULL, 0x0, "Rate at which traffic credits are granted (bytes/s)", HFILL } }, { &hf_btl2cap_option_tokenbucketsize, { "Token Bucket Size (bytes)", "btl2cap.option_tokenbsize", FT_UINT32, BASE_DEC, NULL, 0x0, "Size of the token bucket (bytes)", HFILL } }, { &hf_btl2cap_option_peakbandwidth, { "Peak Bandwidth (bytes/s)", "btl2cap.option_peakbandwidth", FT_UINT32, BASE_DEC, NULL, 0x0, "Limit how fast packets may be sent (bytes/s)", HFILL } }, { &hf_btl2cap_option_latency, { "Latency (microseconds)", "btl2cap.option_latency", FT_UINT32, BASE_DEC, NULL, 0x0, "Maximal acceptable dealy (microseconds)", HFILL } }, { &hf_btl2cap_option_delayvariation, { "Delay Variation (microseconds)", "btl2cap.option_dealyvar", FT_UINT32, BASE_DEC, NULL, 0x0, "Difference between maximum and minimum delay (microseconds)", HFILL } }, { &hf_btl2cap_option, { "Configuration Parameter Option", "btl2cap.conf_param_option", FT_NONE, BASE_NONE, NULL, 0x0, "Configuration Parameter Option", HFILL } }, }; /* Setup protocol subtree array */ static gint *ett[] = { &ett_btl2cap, &ett_btl2cap_cmd, &ett_btl2cap_option, }; /* Register the protocol name and description */ proto_btl2cap = proto_register_protocol("Bluetooth L2CAP Packet", "L2CAP", "btl2cap"); register_dissector("btl2cap", dissect_btl2cap, proto_btl2cap); /* subdissector code */ l2cap_psm_dissector_table = register_dissector_table("btl2cap.psm", "L2CAP PSM", FT_UINT16, BASE_HEX); /* Required function calls to register the header fields and subtrees used */ proto_register_field_array(proto_btl2cap, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); cid_to_psm_table=se_tree_create(SE_TREE_TYPE_RED_BLACK, "btl2cap scid to psm"); } void proto_reg_handoff_btl2cap(void) { }