compiler/include/bluetooth/l2cap.h

   1 #ifndef BLUETOOTH_L2CAP_H
   2 #define BLUETOOTH_L2CAP_H
   3 /*
   4 **      $VER: l2cap.h 1.0 (23.04.06)
   5 **
   6 **      Bluetooth L2CAP definitions include file
   7 **
   8 **      (C) Copyright 2006 Chris Hodges
   9 **          All Rights Reserved
  10 */
  11
  12 #if defined(__GNUC__)
  13 # pragma pack(1)
  14 #endif
  15
  16 #define L2CAP_CID_NULL      0x0000
  17 #define L2CAP_CID_SIGCHAN   0x0001
  18 #define L2CAP_CID_CONNLESS  0x0002
  19 #define L2CAP_CID_USERSTART 0x0040
  20
  21 struct BTL2CAPBasicFrame
  22 {
  23     UWORD l2bf_Length;         /* Length field (payload, without header) */
  24     UWORD l2bf_ChannelID;      /* Channel ID (CID) for channel endpoint */
  25     UBYTE l2bf_Payload[0];     /* Data Payload */
  26 };
  27
  28 struct BTL2CAPConnLessFrame
  29 {
  30     UWORD l2cf_Length;         /* Length field (payload, without header) */
  31     UWORD l2cf_ChannelID;      /* Channel ID (CID) for channel endpoint */
  32     UWORD l2cf_PSM;            /* Protocol Service Multiplexer, minimum 2 bytes */
  33     UBYTE l2cf_Payload[0];     /* Data Payload */
  34 };
  35
  36 struct BTL2CAPSuperFrame
  37 {
  38     UWORD l2sf_Length;         /* Length field (payload, without header) */
  39     UWORD l2sf_ChannelID;      /* Channel ID (CID) for channel endpoint */
  40     UWORD l2sf_Control;        /* Control field */
  41     UWORD l2sf_FCS;            /* Frame Check Sequence */
  42 };
  43
  44 struct BTL2CAPInfoFrame
  45 {
  46     UWORD l2if_Length;         /* Length field (payload, without header) */
  47     UWORD l2if_ChannelID;      /* Channel ID (CID) for channel endpoint */
  48     UWORD l2if_Control;        /* Control field */
  49     UWORD l2if_SDULength;      /* optional SDU Length field */
  50     UBYTE l2if_Payload[0];     /* Payload */
  51     //UWORD l2if_FCS;          /* Frame Check Sequence at the end */
  52 };
  53
  54 #define L2CF_SUPERFRAME 0x0001 /* This is a supervisor frame instead of informational frame */
  55 #define L2CF_NORESEND   0x0080 /* Disable retransmitting of lost/corrupt packets */
  56
  57 #define L2CF_SAR_NOFRAG 0x0000 /* SDU is not segmented */
  58 #define L2CF_SAR_START  0x4000 /* Start of SDU */
  59 #define L2CF_SAR_END    0x8000 /* End of SDU */
  60 #define L2CF_SAR_CONT   0xc000 /* Continuation of SDU */
  61 #define L2CM_SAR        0xc000 /* SAR mask */
  62
  63 #define L2CM_REQSEQ     0x3f00 /* Receiver sequence number */
  64 #define L2CS_REQSEQ     9
  65 #define L2CM_TXSEQ      0x007e /* Transmission sequence number */
  66 #define L2CS_TXSEQ      1
  67
  68 #define L2CF_SUPER_RR   0x0000 /* Supervisor: Receiver ready */
  69 #define L2CF_SUPER_REJ  0x0004 /* Supervisor: Reject */
  70 #define L2CM_SUPER      0x000c /* Supervisor mask */
  71
  72 struct BTL2CAPCommand
  73 {
  74     UBYTE l2c_Code;            /* Code */
  75     UBYTE l2c_Identifier;      /* Identifier */
  76     UWORD l2c_DataLength;      /* Length of Command Data */
  77     UBYTE l2c_Data[0];         /* Command payload */
  78 };
  79
  80 #define L2CMD_COMMAND_REJECT         0x01
  81 #define L2CMD_CONNECTION_REQUEST     0x02
  82 #define L2CMD_CONNECTION_RESPONSE    0x03
  83 #define L2CMD_CONFIGURATION_REQUEST  0x04
  84 #define L2CMD_CONFIGURATION_RESPONSE 0x05
  85 #define L2CMD_DISCONNECTION_REQUEST  0x06
  86 #define L2CMD_DISCONNECTION_RESPONSE 0x07
  87 #define L2CMD_ECHO_REQUEST           0x08
  88 #define L2CMD_ECHO_RESPONSE          0x09
  89 #define L2CMD_INFORMATION_REQUEST    0x0a
  90 #define L2CMD_INFORMATION_RESPONSE   0x0b
  91
  92 /* error/status codes for different responses */
  93
  94 // Command reject
  95 #define L2ERR_COMMAND_NOT_UNDERSTOOD  0x0000
  96 #define L2ERR_SIGNALLING_MTU_EXCEEDED 0x0001
  97 #define L2ERR_INVALID_CID_IN_REQUEST  0x0002
  98
  99 // Connection response
 100 #define L2ERR_CONN_SUCCESSFUL         0x0000
 101 #define L2ERR_CONN_PENDING            0x0001
 102 #define L2ERR_CONN_REFUSED_BAD_PSM    0x0002
 103 #define L2ERR_CONN_REFUSED_SECURITY   0x0003
 104 #define L2ERR_CONN_REFUSED_UNAVAIL    0x0004
 105 #define L2STS_NO_INFO                 0x0000
 106 #define L2STS_AUTHENTICATION_PENDING  0x0001
 107 #define L2STS_AUTHORIZATION_PENDING   0x0002
 108
 109 // Configuration response
 110 #define L2ERR_CFG_SUCCESS             0x0000
 111 #define L2ERR_CFG_FAIL_BAD_PARAMS     0x0001
 112 #define L2ERR_CFG_FAIL_REJECTED       0x0002
 113 #define L2ERR_CFG_FAIL_UNKNOWN_OPTS   0x0003
 114
 115 // Information response
 116 #define L2ERR_INFO_SUCCESS            0x0000
 117 #define L2ERR_INFO_NOT_SUPPORTED      0x0001
 118
 119 #define L2CAP_INFOTYPE_CONNLESS_MTU   0x0001
 120 #define L2CAP_INFOTYPE_EXT_FEAT_MASK  0x0002
 121
 122 /* MTU sizes for L2CAP */
 123 #define L2CAP_DEFAULT_MTU 672
 124 #define L2CAP_MIN_MTU 48
 125
 126 #if defined(__GNUC__)
 127 # pragma pack()
 128 #endif
 129
 130 #endif /* BLUETOOTH_L2CAP_H */