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      1 /******************************************************************************
      2  *
      3  *  Copyright (C) 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 "bt_target.h"
     29 #include "gki.h"
     30 #include "bnep_api.h"
     31 #include "btm_int.h"
     32 #include "btu.h"
     33 
     34 
     35 /* BNEP frame types
     36 */
     37 #define BNEP_FRAME_GENERAL_ETHERNET                 0x00
     38 #define BNEP_FRAME_CONTROL                          0x01
     39 #define BNEP_FRAME_COMPRESSED_ETHERNET              0x02
     40 #define BNEP_FRAME_COMPRESSED_ETHERNET_SRC_ONLY     0x03
     41 #define BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY    0x04
     42 
     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 
     55 /* BNEP header extension types
     56 */
     57 #define BNEP_EXTENSION_FILTER_CONTROL   0x00
     58 
     59 
     60 /* BNEP Setup Connection response codes
     61 */
     62 #define BNEP_SETUP_CONN_OK              0x0000
     63 #define BNEP_SETUP_INVALID_DEST_UUID    0x0001
     64 #define BNEP_SETUP_INVALID_SRC_UUID     0x0002
     65 #define BNEP_SETUP_INVALID_UUID_SIZE    0x0003
     66 #define BNEP_SETUP_CONN_NOT_ALLOWED     0x0004
     67 
     68 
     69 /* BNEP filter control response codes
     70 */
     71 #define BNEP_FILTER_CRL_OK              0x0000
     72 #define BNEP_FILTER_CRL_UNSUPPORTED     0x0001
     73 #define BNEP_FILTER_CRL_BAD_RANGE       0x0002
     74 #define BNEP_FILTER_CRL_MAX_REACHED     0x0003
     75 #define BNEP_FILTER_CRL_SECURITY_ERR    0x0004
     76 
     77 
     78 /* 802.1p protocol packet will have actual protocol field in side the payload */
     79 #define BNEP_802_1_P_PROTOCOL           0x8100
     80 
     81 /* Timeout definitions.
     82 */
     83 #define BNEP_CONN_TIMEOUT           20               /* Connection related timeout */
     84 #define BNEP_HOST_TIMEOUT           200              /* host responce timeout */
     85 #define BNEP_FILTER_SET_TIMEOUT     10
     86 
     87 /* Define the Out-Flow default values. */
     88 #define  BNEP_OFLOW_QOS_FLAG                 0
     89 #define  BNEP_OFLOW_SERV_TYPE                0
     90 #define  BNEP_OFLOW_TOKEN_RATE               0
     91 #define  BNEP_OFLOW_TOKEN_BUCKET_SIZE        0
     92 #define  BNEP_OFLOW_PEAK_BANDWIDTH           0
     93 #define  BNEP_OFLOW_LATENCY                  0
     94 #define  BNEP_OFLOW_DELAY_VARIATION          0
     95 
     96 /* Define the In-Flow default values. */
     97 #define  BNEP_IFLOW_QOS_FLAG                 0
     98 #define  BNEP_IFLOW_SERV_TYPE                0
     99 #define  BNEP_IFLOW_TOKEN_RATE               0
    100 #define  BNEP_IFLOW_TOKEN_BUCKET_SIZE        0
    101 #define  BNEP_IFLOW_PEAK_BANDWIDTH           0
    102 #define  BNEP_IFLOW_LATENCY                  0
    103 #define  BNEP_IFLOW_DELAY_VARIATION          0
    104 
    105 #define BNEP_FLUSH_TO                       0xFFFF
    106 
    107 #define BNEP_MAX_RETRANSMITS                 3
    108 
    109 /* Define the BNEP Connection Control Block
    110 */
    111 typedef struct
    112 {
    113 #define BNEP_STATE_IDLE              0
    114 #define BNEP_STATE_CONN_START        1
    115 #define BNEP_STATE_CFG_SETUP         2
    116 #define BNEP_STATE_CONN_SETUP        3
    117 #define BNEP_STATE_SEC_CHECKING      4
    118 #define BNEP_STATE_SETUP_RCVD        5
    119 #define BNEP_STATE_CONNECTED         6
    120     UINT8             con_state;
    121 
    122 #define BNEP_FLAGS_IS_ORIG           0x01
    123 #define BNEP_FLAGS_HIS_CFG_DONE      0x02
    124 #define BNEP_FLAGS_MY_CFG_DONE       0x04
    125 #define BNEP_FLAGS_L2CAP_CONGESTED   0x08
    126 #define BNEP_FLAGS_FILTER_RESP_PEND  0x10
    127 #define BNEP_FLAGS_MULTI_RESP_PEND   0x20
    128 #define BNEP_FLAGS_SETUP_RCVD        0x40
    129 #define BNEP_FLAGS_CONN_COMPLETED    0x80
    130     UINT8             con_flags;
    131     BT_HDR            *p_pending_data;
    132 
    133     UINT16            l2cap_cid;
    134     BD_ADDR           rem_bda;
    135     UINT16            rem_mtu_size;
    136     TIMER_LIST_ENT    conn_tle;
    137     BUFFER_Q          xmit_q;
    138 
    139     UINT16            sent_num_filters;
    140     UINT16            sent_prot_filter_start[BNEP_MAX_PROT_FILTERS];
    141     UINT16            sent_prot_filter_end[BNEP_MAX_PROT_FILTERS];
    142 
    143     UINT16            sent_mcast_filters;
    144     BD_ADDR           sent_mcast_filter_start[BNEP_MAX_MULTI_FILTERS];
    145     BD_ADDR           sent_mcast_filter_end[BNEP_MAX_MULTI_FILTERS];
    146 
    147     UINT16            rcvd_num_filters;
    148     UINT16            rcvd_prot_filter_start[BNEP_MAX_PROT_FILTERS];
    149     UINT16            rcvd_prot_filter_end[BNEP_MAX_PROT_FILTERS];
    150 
    151     UINT16            rcvd_mcast_filters;
    152     BD_ADDR           rcvd_mcast_filter_start[BNEP_MAX_MULTI_FILTERS];
    153     BD_ADDR           rcvd_mcast_filter_end[BNEP_MAX_MULTI_FILTERS];
    154 
    155     UINT16            bad_pkts_rcvd;
    156     UINT8             re_transmits;
    157     UINT16            handle;
    158     tBT_UUID          prv_src_uuid;
    159     tBT_UUID          prv_dst_uuid;
    160     tBT_UUID          src_uuid;
    161     tBT_UUID          dst_uuid;
    162 
    163 } tBNEP_CONN;
    164 
    165 
    166 /*  The main BNEP control block
    167 */
    168 typedef struct
    169 {
    170     tL2CAP_CFG_INFO         l2cap_my_cfg;                   /* My L2CAP config     */
    171     tBNEP_CONN              bcb[BNEP_MAX_CONNECTIONS];
    172 
    173     tBNEP_CONNECT_IND_CB    *p_conn_ind_cb;
    174     tBNEP_CONN_STATE_CB     *p_conn_state_cb;
    175     tBNEP_DATA_IND_CB       *p_data_ind_cb;
    176     tBNEP_DATA_BUF_CB       *p_data_buf_cb;
    177     tBNEP_FILTER_IND_CB     *p_filter_ind_cb;
    178     tBNEP_MFILTER_IND_CB    *p_mfilter_ind_cb;
    179     tBNEP_TX_DATA_FLOW_CB   *p_tx_data_flow_cb;
    180 
    181     tL2CAP_APPL_INFO        reg_info;
    182 
    183     TIMER_LIST_ENT          bnep_tle;
    184     BOOLEAN                 profile_registered;             /* TRUE when we got our BD addr */
    185     UINT8                   trace_level;
    186     BOOLEAN                 got_my_bd_addr;         /* TRUE when we got our BD addr */
    187     BD_ADDR                 my_bda;                 /* BD Address of this device    */
    188 
    189 } tBNEP_CB;
    190 
    191 #ifdef __cplusplus
    192 extern "C" {
    193 #endif
    194 
    195 /* Global BNEP data
    196 */
    197 #if BNEP_DYNAMIC_MEMORY == FALSE
    198 BNEP_API extern tBNEP_CB  bnep_cb;
    199 #else
    200 BNEP_API extern tBNEP_CB  *bnep_cb_ptr;
    201 #define bnep_cb (*bnep_cb_ptr)
    202 #endif
    203 
    204 /* Functions provided by bnep_main.c
    205 */
    206 extern tBNEP_RESULT bnep_register_with_l2cap (void);
    207 extern void        bnep_disconnect (tBNEP_CONN *p_bcb, UINT16 reason);
    208 extern tBNEP_CONN *bnep_conn_originate (UINT8 *p_bd_addr);
    209 extern void        bnep_process_timeout (TIMER_LIST_ENT *p_tle);
    210 extern void        bnep_connected (tBNEP_CONN *p_bcb);
    211 
    212 
    213 /* Functions provided by bnep_utils.c
    214 */
    215 extern tBNEP_CONN *bnepu_find_bcb_by_cid (UINT16 cid);
    216 extern tBNEP_CONN *bnepu_find_bcb_by_bd_addr (UINT8 *p_bda);
    217 extern tBNEP_CONN *bnepu_allocate_bcb (BD_ADDR p_rem_bda);
    218 extern void        bnepu_release_bcb (tBNEP_CONN *p_bcb);
    219 extern void        bnepu_send_peer_our_filters (tBNEP_CONN *p_bcb);
    220 extern void        bnepu_send_peer_our_multi_filters (tBNEP_CONN *p_bcb);
    221 extern BOOLEAN     bnepu_does_dest_support_prot (tBNEP_CONN *p_bcb, UINT16 protocol);
    222 extern void        bnepu_build_bnep_hdr (tBNEP_CONN *p_bcb, BT_HDR *p_buf, UINT16 protocol,
    223                                          UINT8 *p_src_addr, UINT8 *p_dest_addr, BOOLEAN ext_bit);
    224 extern void        test_bnepu_build_bnep_hdr (tBNEP_CONN *p_bcb, BT_HDR *p_buf, UINT16 protocol,
    225                                          UINT8 *p_src_addr, UINT8 *p_dest_addr, UINT8 type);
    226 
    227 extern tBNEP_CONN *bnepu_get_route_to_dest (UINT8 *p_bda);
    228 extern void        bnepu_check_send_packet (tBNEP_CONN *p_bcb, BT_HDR *p_buf);
    229 extern void        bnep_send_command_not_understood (tBNEP_CONN *p_bcb, UINT8 cmd_code);
    230 extern void        bnepu_process_peer_filter_set (tBNEP_CONN *p_bcb, UINT8 *p_filters, UINT16 len);
    231 extern void        bnepu_process_peer_filter_rsp (tBNEP_CONN *p_bcb, UINT8 *p_data);
    232 extern void        bnepu_process_multicast_filter_rsp (tBNEP_CONN *p_bcb, UINT8 *p_data);
    233 extern void        bnep_send_conn_req (tBNEP_CONN *p_bcb);
    234 extern void        bnep_send_conn_responce (tBNEP_CONN *p_bcb, UINT16 resp_code);
    235 extern void        bnep_process_setup_conn_req (tBNEP_CONN *p_bcb, UINT8 *p_setup, UINT8 len);
    236 extern void        bnep_process_setup_conn_responce (tBNEP_CONN *p_bcb, UINT8 *p_setup);
    237 extern UINT8       *bnep_process_control_packet (tBNEP_CONN *p_bcb, UINT8 *p, UINT16 *len,
    238                                                         BOOLEAN is_ext);
    239 extern void        bnep_sec_check_complete (BD_ADDR bd_addr, tBT_TRANSPORT trasnport,
    240                                                     void *p_ref_data, UINT8 result);
    241 extern tBNEP_RESULT bnep_is_packet_allowed (tBNEP_CONN *p_bcb, BD_ADDR p_dest_addr, UINT16 protocol,
    242                                                     BOOLEAN fw_ext_present, UINT8 *p_data);
    243 extern UINT32      bnep_get_uuid32 (tBT_UUID *src_uuid);
    244 extern void        bnep_dump_status (void);
    245 
    246 
    247 
    248 #ifdef __cplusplus
    249 }
    250 #endif
    251 
    252 
    253 #endif
    254 
    255