1 /****************************************************************************** 2 * 3 * Copyright 2001-2012 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 /****************************************************************************** 20 * 21 * This file contains internally used BNEP definitions 22 * 23 ******************************************************************************/ 24 25 #ifndef BNEP_INT_H 26 #define BNEP_INT_H 27 28 #include "bnep_api.h" 29 #include "bt_target.h" 30 #include "osi/include/alarm.h" 31 #include "osi/include/fixed_queue.h" 32 #include "stack/include/bt_hdr.h" 33 #include "types/bluetooth/uuid.h" 34 #include "types/raw_address.h" 35 36 /* BNEP frame types 37 */ 38 #define BNEP_FRAME_GENERAL_ETHERNET 0x00 39 #define BNEP_FRAME_CONTROL 0x01 40 #define BNEP_FRAME_COMPRESSED_ETHERNET 0x02 41 #define BNEP_FRAME_COMPRESSED_ETHERNET_SRC_ONLY 0x03 42 #define BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY 0x04 43 44 /* BNEP filter control message types 45 */ 46 #define BNEP_CONTROL_COMMAND_NOT_UNDERSTOOD 0x00 47 #define BNEP_SETUP_CONNECTION_REQUEST_MSG 0x01 48 #define BNEP_SETUP_CONNECTION_RESPONSE_MSG 0x02 49 #define BNEP_FILTER_NET_TYPE_SET_MSG 0x03 50 #define BNEP_FILTER_NET_TYPE_RESPONSE_MSG 0x04 51 #define BNEP_FILTER_MULTI_ADDR_SET_MSG 0x05 52 #define BNEP_FILTER_MULTI_ADDR_RESPONSE_MSG 0x06 53 54 /* BNEP header extension types 55 */ 56 #define BNEP_EXTENSION_FILTER_CONTROL 0x00 57 58 /* BNEP Setup Connection response codes 59 */ 60 #define BNEP_SETUP_CONN_OK 0x0000 61 #define BNEP_SETUP_INVALID_DEST_UUID 0x0001 62 #define BNEP_SETUP_INVALID_SRC_UUID 0x0002 63 #define BNEP_SETUP_INVALID_UUID_SIZE 0x0003 64 #define BNEP_SETUP_CONN_NOT_ALLOWED 0x0004 65 66 /* BNEP filter control response codes 67 */ 68 #define BNEP_FILTER_CRL_OK 0x0000 69 #define BNEP_FILTER_CRL_UNSUPPORTED 0x0001 70 #define BNEP_FILTER_CRL_BAD_RANGE 0x0002 71 #define BNEP_FILTER_CRL_MAX_REACHED 0x0003 72 #define BNEP_FILTER_CRL_SECURITY_ERR 0x0004 73 74 /* 802.1p protocol packet will have actual protocol field in side the payload */ 75 #define BNEP_802_1_P_PROTOCOL 0x8100 76 77 /* Timeout definitions. */ 78 /* Connection related timeout */ 79 #define BNEP_CONN_TIMEOUT_MS (20 * 1000) 80 /* host response timeout */ 81 #define BNEP_HOST_TIMEOUT_MS (200 * 1000) 82 #define BNEP_FILTER_SET_TIMEOUT_MS (10 * 1000) 83 84 #define BNEP_MAX_RETRANSMITS 3 85 86 /* Define the BNEP Connection Control Block 87 */ 88 typedef struct { 89 #define BNEP_STATE_IDLE 0 90 #define BNEP_STATE_CONN_START 1 91 #define BNEP_STATE_CFG_SETUP 2 92 #define BNEP_STATE_CONN_SETUP 3 93 #define BNEP_STATE_SEC_CHECKING 4 94 #define BNEP_STATE_SETUP_RCVD 5 95 #define BNEP_STATE_CONNECTED 6 96 uint8_t con_state; 97 98 #define BNEP_FLAGS_IS_ORIG 0x01 99 #define BNEP_FLAGS_HIS_CFG_DONE 0x02 100 #define BNEP_FLAGS_MY_CFG_DONE 0x04 101 #define BNEP_FLAGS_L2CAP_CONGESTED 0x08 102 #define BNEP_FLAGS_FILTER_RESP_PEND 0x10 103 #define BNEP_FLAGS_MULTI_RESP_PEND 0x20 104 #define BNEP_FLAGS_SETUP_RCVD 0x40 105 #define BNEP_FLAGS_CONN_COMPLETED 0x80 106 uint8_t con_flags; 107 BT_HDR* p_pending_data; 108 109 uint16_t l2cap_cid; 110 RawAddress rem_bda; 111 alarm_t* conn_timer; 112 fixed_queue_t* xmit_q; 113 114 uint16_t sent_num_filters; 115 uint16_t sent_prot_filter_start[BNEP_MAX_PROT_FILTERS]; 116 uint16_t sent_prot_filter_end[BNEP_MAX_PROT_FILTERS]; 117 118 uint16_t sent_mcast_filters; 119 RawAddress sent_mcast_filter_start[BNEP_MAX_MULTI_FILTERS]; 120 RawAddress sent_mcast_filter_end[BNEP_MAX_MULTI_FILTERS]; 121 122 uint16_t rcvd_num_filters; 123 uint16_t rcvd_prot_filter_start[BNEP_MAX_PROT_FILTERS]; 124 uint16_t rcvd_prot_filter_end[BNEP_MAX_PROT_FILTERS]; 125 126 uint16_t rcvd_mcast_filters; 127 RawAddress rcvd_mcast_filter_start[BNEP_MAX_MULTI_FILTERS]; 128 RawAddress rcvd_mcast_filter_end[BNEP_MAX_MULTI_FILTERS]; 129 130 uint16_t bad_pkts_rcvd; 131 uint8_t re_transmits; 132 uint16_t handle; 133 bluetooth::Uuid prv_src_uuid; 134 bluetooth::Uuid prv_dst_uuid; 135 bluetooth::Uuid src_uuid; 136 bluetooth::Uuid dst_uuid; 137 138 } tBNEP_CONN; 139 140 /* The main BNEP control block 141 */ 142 typedef struct { 143 tL2CAP_CFG_INFO l2cap_my_cfg; /* My L2CAP config */ 144 tBNEP_CONN bcb[BNEP_MAX_CONNECTIONS]; 145 146 tBNEP_CONNECT_IND_CB* p_conn_ind_cb; 147 tBNEP_CONN_STATE_CB* p_conn_state_cb; 148 tBNEP_DATA_IND_CB* p_data_ind_cb; 149 tBNEP_DATA_BUF_CB* p_data_buf_cb; 150 tBNEP_FILTER_IND_CB* p_filter_ind_cb; 151 tBNEP_MFILTER_IND_CB* p_mfilter_ind_cb; 152 tBNEP_TX_DATA_FLOW_CB* p_tx_data_flow_cb; 153 154 tL2CAP_APPL_INFO reg_info; 155 156 bool profile_registered; /* true when we got our BD addr */ 157 uint8_t trace_level; 158 159 } tBNEP_CB; 160 161 /* Global BNEP data 162 */ 163 extern tBNEP_CB bnep_cb; 164 165 /* Functions provided by bnep_main.cc 166 */ 167 extern tBNEP_RESULT bnep_register_with_l2cap(void); 168 extern void bnep_disconnect(tBNEP_CONN* p_bcb, uint16_t reason); 169 extern tBNEP_CONN* bnep_conn_originate(uint8_t* p_bd_addr); 170 extern void bnep_conn_timer_timeout(void* data); 171 extern void bnep_connected(tBNEP_CONN* p_bcb); 172 173 /* Functions provided by bnep_utils.cc 174 */ 175 extern tBNEP_CONN* bnepu_find_bcb_by_cid(uint16_t cid); 176 extern tBNEP_CONN* bnepu_find_bcb_by_bd_addr(const RawAddress& p_bda); 177 extern tBNEP_CONN* bnepu_allocate_bcb(const RawAddress& p_rem_bda); 178 extern void bnepu_release_bcb(tBNEP_CONN* p_bcb); 179 extern void bnepu_send_peer_our_filters(tBNEP_CONN* p_bcb); 180 extern void bnepu_send_peer_our_multi_filters(tBNEP_CONN* p_bcb); 181 extern bool bnepu_does_dest_support_prot(tBNEP_CONN* p_bcb, uint16_t protocol); 182 extern void bnepu_build_bnep_hdr(tBNEP_CONN* p_bcb, BT_HDR* p_buf, 183 uint16_t protocol, 184 const RawAddress* p_src_addr, 185 const RawAddress* p_dest_addr, bool ext_bit); 186 extern void test_bnepu_build_bnep_hdr(tBNEP_CONN* p_bcb, BT_HDR* p_buf, 187 uint16_t protocol, uint8_t* p_src_addr, 188 uint8_t* p_dest_addr, uint8_t type); 189 190 extern tBNEP_CONN* bnepu_get_route_to_dest(uint8_t* p_bda); 191 extern void bnepu_check_send_packet(tBNEP_CONN* p_bcb, BT_HDR* p_buf); 192 extern void bnep_send_command_not_understood(tBNEP_CONN* p_bcb, 193 uint8_t cmd_code); 194 extern void bnepu_process_peer_filter_set(tBNEP_CONN* p_bcb, uint8_t* p_filters, 195 uint16_t len); 196 extern void bnepu_process_peer_filter_rsp(tBNEP_CONN* p_bcb, uint8_t* p_data); 197 extern void bnepu_process_multicast_filter_rsp(tBNEP_CONN* p_bcb, 198 uint8_t* p_data); 199 extern void bnep_send_conn_req(tBNEP_CONN* p_bcb); 200 extern void bnep_send_conn_responce(tBNEP_CONN* p_bcb, uint16_t resp_code); 201 extern void bnep_process_setup_conn_req(tBNEP_CONN* p_bcb, uint8_t* p_setup, 202 uint8_t len); 203 extern void bnep_process_setup_conn_responce(tBNEP_CONN* p_bcb, 204 uint8_t* p_setup); 205 extern uint8_t* bnep_process_control_packet(tBNEP_CONN* p_bcb, uint8_t* p, 206 uint16_t* len, bool is_ext); 207 extern void bnep_sec_check_complete(const RawAddress* bd_addr, 208 tBT_TRANSPORT trasnport, void* p_ref_data); 209 extern tBNEP_RESULT bnep_is_packet_allowed(tBNEP_CONN* p_bcb, 210 const RawAddress& p_dest_addr, 211 uint16_t protocol, 212 bool fw_ext_present, uint8_t* p_data, 213 uint16_t org_len); 214 215 #endif 216