| /****************************************************************************** |
| * |
| * Copyright (C) 1999-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| #ifndef L2CDEFS_H |
| #define L2CDEFS_H |
| |
| /* L2CAP command codes |
| */ |
| #define L2CAP_CMD_REJECT 0x01 |
| #define L2CAP_CMD_CONN_REQ 0x02 |
| #define L2CAP_CMD_CONN_RSP 0x03 |
| #define L2CAP_CMD_CONFIG_REQ 0x04 |
| #define L2CAP_CMD_CONFIG_RSP 0x05 |
| #define L2CAP_CMD_DISC_REQ 0x06 |
| #define L2CAP_CMD_DISC_RSP 0x07 |
| #define L2CAP_CMD_ECHO_REQ 0x08 |
| #define L2CAP_CMD_ECHO_RSP 0x09 |
| #define L2CAP_CMD_INFO_REQ 0x0A |
| #define L2CAP_CMD_INFO_RSP 0x0B |
| #define L2CAP_CMD_AMP_CONN_REQ 0x0C |
| #define L2CAP_CMD_AMP_CONN_RSP 0x0D |
| #define L2CAP_CMD_AMP_MOVE_REQ 0x0E |
| #define L2CAP_CMD_AMP_MOVE_RSP 0x0F |
| #define L2CAP_CMD_AMP_MOVE_CFM 0x10 |
| #define L2CAP_CMD_AMP_MOVE_CFM_RSP 0x11 |
| #define L2CAP_CMD_BLE_UPDATE_REQ 0x12 |
| #define L2CAP_CMD_BLE_UPDATE_RSP 0x13 |
| #define L2CAP_CMD_BLE_CREDIT_BASED_CONN_REQ 0x14 |
| #define L2CAP_CMD_BLE_CREDIT_BASED_CONN_RES 0x15 |
| #define L2CAP_CMD_BLE_FLOW_CTRL_CREDIT 0x16 |
| |
| /* Define some packet and header lengths |
| */ |
| /* Length and CID */ |
| #define L2CAP_PKT_OVERHEAD 4 |
| /* Cmd code, Id and length */ |
| #define L2CAP_CMD_OVERHEAD 4 |
| /* Reason (data is optional) */ |
| #define L2CAP_CMD_REJECT_LEN 2 |
| /* PSM and source CID */ |
| #define L2CAP_CONN_REQ_LEN 4 |
| /* Dest CID, source CID, reason, status */ |
| #define L2CAP_CONN_RSP_LEN 8 |
| /* Dest CID, flags (data is optional) */ |
| #define L2CAP_CONFIG_REQ_LEN 4 |
| /* Dest CID, flags, result,data optional*/ |
| #define L2CAP_CONFIG_RSP_LEN 6 |
| /* Dest CID, source CID */ |
| #define L2CAP_DISC_REQ_LEN 4 |
| /* Dest CID, source CID */ |
| #define L2CAP_DISC_RSP_LEN 4 |
| /* Data is optional */ |
| #define L2CAP_ECHO_REQ_LEN 0 |
| /* Data is optional */ |
| #define L2CAP_ECHO_RSP_LEN 0 |
| /* Info type */ |
| #define L2CAP_INFO_REQ_LEN 2 |
| /* Info type, result (data is optional) */ |
| #define L2CAP_INFO_RSP_LEN 4 |
| /* Additional connectionless packet overhead */ |
| #define L2CAP_UCD_OVERHEAD 2 |
| |
| /* PSM, CID, and remote controller ID */ |
| #define L2CAP_AMP_CONN_REQ_LEN 5 |
| /* CID and remote controller ID */ |
| #define L2CAP_AMP_MOVE_REQ_LEN 3 |
| /* CID and result */ |
| #define L2CAP_AMP_MOVE_RSP_LEN 4 |
| /* CID and result */ |
| #define L2CAP_AMP_MOVE_CFM_LEN 4 |
| /* CID */ |
| #define L2CAP_AMP_MOVE_CFM_RSP_LEN 2 |
| |
| /* Min and max interval, latency, tout */ |
| #define L2CAP_CMD_BLE_UPD_REQ_LEN 8 |
| /* Result */ |
| #define L2CAP_CMD_BLE_UPD_RSP_LEN 2 |
| |
| /* LE_PSM, SCID, MTU, MPS, Init Credit */ |
| #define L2CAP_CMD_BLE_CREDIT_BASED_CONN_REQ_LEN 10 |
| /* DCID, MTU, MPS, Init credit, Result */ |
| #define L2CAP_CMD_BLE_CREDIT_BASED_CONN_RES_LEN 10 |
| /* CID, Credit */ |
| #define L2CAP_CMD_BLE_FLOW_CTRL_CREDIT_LEN 4 |
| |
| /* Define the packet boundary flags |
| */ |
| #if (L2CAP_NON_FLUSHABLE_PB_INCLUDED == TRUE) |
| #define L2CAP_PKT_START_FLUSHABLE 2 |
| #define L2CAP_PKT_START_NON_FLUSHABLE 0 |
| #endif |
| #define L2CAP_COMPLETE_AMP_PKT 3 /* complete L2CAP packet on AMP HCI */ |
| #define L2CAP_PKT_START 2 |
| #define L2CAP_PKT_CONTINUE 1 |
| #define L2CAP_MASK_FLAG 0x0FFF |
| #define L2CAP_PKT_TYPE_SHIFT 12 |
| #define L2CAP_PKT_TYPE_MASK 3 |
| |
| /* Define the L2CAP connection result codes |
| */ |
| #define L2CAP_CONN_OK 0 |
| #define L2CAP_CONN_PENDING 1 |
| #define L2CAP_CONN_NO_PSM 2 |
| #define L2CAP_CONN_SECURITY_BLOCK 3 |
| #define L2CAP_CONN_NO_RESOURCES 4 |
| #define L2CAP_CONN_BAD_CTLR_ID 5 /* AMP related */ |
| #define L2CAP_CONN_TIMEOUT 0xEEEE |
| #define L2CAP_CONN_AMP_FAILED 254 |
| /* Add a couple of our own for internal use */ |
| #define L2CAP_CONN_NO_LINK 255 |
| #define L2CAP_CONN_CANCEL 256 /* L2CAP connection cancelled */ |
| |
| /* Define the LE L2CAP connection result codes |
| */ |
| #define L2CAP_LE_CONN_OK 0 |
| #define L2CAP_LE_NO_PSM 2 |
| #define L2CAP_LE_NO_RESOURCES 4 |
| #define L2CAP_LE_INSUFFICIENT_AUTHENTICATION 5 |
| #define L2CAP_LE_INSUFFICIENT_AUTHORIZATION 6 |
| #define L2CAP_LE_INSUFFICIENT_ENCRYP_KEY_SIZE 7 |
| #define L2CAP_LE_INSUFFICIENT_ENCRYP 8 |
| /* We don't like peer device response */ |
| #define L2CAP_LE_INVALID_SOURCE_CID 9 |
| #define L2CAP_LE_SOURCE_CID_ALREADY_ALLOCATED 0x0A |
| |
| /* Define L2CAP Move Channel Response result codes |
| */ |
| #define L2CAP_MOVE_OK 0 |
| #define L2CAP_MOVE_PENDING 1 |
| #define L2CAP_MOVE_CTRL_ID_NOT_SUPPORT 2 |
| #define L2CAP_MOVE_SAME_CTRLR_ID 3 |
| #define L2CAP_MOVE_CONFIG_NOT_SUPPORTED 4 |
| #define L2CAP_MOVE_CHAN_COLLISION 5 |
| #define L2CAP_MOVE_NOT_ALLOWED 6 |
| |
| /* Define L2CAP Move Channel Confirmation result codes |
| */ |
| #define L2CAP_MOVE_CFM_OK 0 |
| #define L2CAP_MOVE_CFM_REFUSED 1 |
| |
| /* Define the L2CAP command reject reason codes |
| */ |
| #define L2CAP_CMD_REJ_NOT_UNDERSTOOD 0 |
| #define L2CAP_CMD_REJ_MTU_EXCEEDED 1 |
| #define L2CAP_CMD_REJ_INVALID_CID 2 |
| |
| /* L2CAP Predefined CIDs |
| */ |
| #define L2CAP_SIGNALLING_CID 1 |
| #define L2CAP_CONNECTIONLESS_CID 2 |
| #define L2CAP_AMP_CID 3 |
| #define L2CAP_ATT_CID 4 |
| #define L2CAP_BLE_SIGNALLING_CID 5 |
| #define L2CAP_SMP_CID 6 |
| #define L2CAP_SMP_BR_CID 7 |
| #define L2CAP_AMP_TEST_CID 0x003F |
| #define L2CAP_BASE_APPL_CID 0x0040 |
| #define L2CAP_BLE_CONN_MAX_CID 0x007F |
| |
| /* Fixed Channels mask bits */ |
| |
| /* Signal channel supported (Mandatory) */ |
| #define L2CAP_FIXED_CHNL_SIG_BIT (1 << L2CAP_SIGNALLING_CID) |
| |
| /* Connectionless reception */ |
| #define L2CAP_FIXED_CHNL_CNCTLESS_BIT (1 << L2CAP_CONNECTIONLESS_CID) |
| |
| /* AMP Manager supported */ |
| #define L2CAP_FIXED_CHNL_AMP_BIT (1 << L2CAP_AMP_CID) |
| |
| /* Attribute protocol supported */ |
| #define L2CAP_FIXED_CHNL_ATT_BIT (1 << L2CAP_ATT_CID) |
| |
| /* BLE Signalling supported */ |
| #define L2CAP_FIXED_CHNL_BLE_SIG_BIT (1 << L2CAP_BLE_SIGNALLING_CID) |
| |
| /* BLE Security Mgr supported */ |
| #define L2CAP_FIXED_CHNL_SMP_BIT (1 << L2CAP_SMP_CID) |
| |
| /* Security Mgr over BR supported */ |
| #define L2CAP_FIXED_CHNL_SMP_BR_BIT (1 << L2CAP_SMP_BR_CID) |
| |
| /* Define the L2CAP configuration result codes |
| */ |
| #define L2CAP_CFG_OK 0 |
| #define L2CAP_CFG_UNACCEPTABLE_PARAMS 1 |
| #define L2CAP_CFG_FAILED_NO_REASON 2 |
| #define L2CAP_CFG_UNKNOWN_OPTIONS 3 |
| #define L2CAP_CFG_PENDING 4 |
| #define L2CAP_CFG_FLOW_SPEC_REJECTED 5 |
| |
| /* Define the L2CAP configuration option types |
| */ |
| #define L2CAP_CFG_TYPE_MTU 0x01 |
| #define L2CAP_CFG_TYPE_FLUSH_TOUT 0x02 |
| #define L2CAP_CFG_TYPE_QOS 0x03 |
| #define L2CAP_CFG_TYPE_FCR 0x04 |
| #define L2CAP_CFG_TYPE_FCS 0x05 |
| #define L2CAP_CFG_TYPE_EXT_FLOW 0x06 |
| #define L2CAP_CFG_TYPE_EXT_WIN_SIZE 0x07 |
| |
| #define L2CAP_CFG_MTU_OPTION_LEN 2 /* MTU option length */ |
| #define L2CAP_CFG_FLUSH_OPTION_LEN 2 /* Flush option len */ |
| #define L2CAP_CFG_QOS_OPTION_LEN 22 /* QOS option length */ |
| #define L2CAP_CFG_FCR_OPTION_LEN 9 /* FCR option length */ |
| #define L2CAP_CFG_FCS_OPTION_LEN 1 /* FCR option length */ |
| #define L2CAP_CFG_EXT_FLOW_OPTION_LEN 16 /* Extended Flow Spec */ |
| #define L2CAP_CFG_EXT_WIN_SIZE_LEN 2 /* Ext window size length */ |
| #define L2CAP_CFG_OPTION_OVERHEAD 2 /* Type and length */ |
| |
| /* Configuration Cmd/Rsp Flags mask |
| */ |
| #define L2CAP_CFG_FLAGS_MASK_CONT 0x0001 /* Flags mask: Continuation */ |
| |
| /* FCS Check Option values |
| */ |
| #define L2CAP_CFG_FCS_BYPASS 0 /* Bypass the FCS in streaming or ERTM modes */ |
| #define L2CAP_CFG_FCS_USE \ |
| 1 /* Use the FCS in streaming or ERTM modes [default] */ |
| |
| /* Default values for configuration |
| */ |
| #define L2CAP_NO_AUTOMATIC_FLUSH 0xFFFF |
| #define L2CAP_NO_RETRANSMISSION 0x0001 |
| |
| #define L2CAP_DEFAULT_MTU (672) |
| #define L2CAP_DEFAULT_FLUSH_TO L2CAP_NO_AUTOMATIC_FLUSH |
| #define L2CAP_DEFAULT_SERV_TYPE 1 |
| #define L2CAP_DEFAULT_TOKEN_RATE 0 |
| #define L2CAP_DEFAULT_BUCKET_SIZE 0 |
| #define L2CAP_DEFAULT_PEAK_BANDWIDTH 0 |
| #define L2CAP_DEFAULT_LATENCY 0xFFFFFFFF |
| #define L2CAP_DEFAULT_DELAY 0xFFFFFFFF |
| #define L2CAP_DEFAULT_FCS L2CAP_CFG_FCS_USE |
| |
| /* Define the L2CAP disconnect result codes |
| */ |
| #define L2CAP_DISC_OK 0 |
| #define L2CAP_DISC_TIMEOUT 0xEEEE |
| |
| /* Define the L2CAP info resp result codes |
| */ |
| #define L2CAP_INFO_RESP_RESULT_SUCCESS 0 |
| #define L2CAP_INFO_RESP_RESULT_NOT_SUPPORTED 1 |
| |
| /* Define the info-type fields of information request & response |
| */ |
| #define L2CAP_CONNLESS_MTU_INFO_TYPE 0x0001 |
| /* Used in Information Req/Response */ |
| #define L2CAP_EXTENDED_FEATURES_INFO_TYPE 0x0002 |
| /* Used in AMP */ |
| #define L2CAP_FIXED_CHANNELS_INFO_TYPE 0x0003 |
| |
| /* Connectionless MTU size */ |
| #define L2CAP_CONNLESS_MTU_INFO_SIZE 2 |
| /* Extended features array size */ |
| #define L2CAP_EXTENDED_FEATURES_ARRAY_SIZE 4 |
| /* Fixed channel array size */ |
| #define L2CAP_FIXED_CHNL_ARRAY_SIZE 8 |
| |
| /* Extended features mask bits |
| */ |
| /* Retransmission Mode (Not Supported) */ |
| #define L2CAP_EXTFEA_RTRANS 0x00000001 |
| /* Flow Control Mode (Not Supported) */ |
| #define L2CAP_EXTFEA_FC 0x00000002 |
| #define L2CAP_EXTFEA_QOS 0x00000004 |
| /* Enhanced retransmission mode */ |
| #define L2CAP_EXTFEA_ENH_RETRANS 0x00000008 |
| /* Streaming Mode */ |
| #define L2CAP_EXTFEA_STREAM_MODE 0x00000010 |
| /* Optional FCS (if set No FCS desired) */ |
| #define L2CAP_EXTFEA_NO_CRC 0x00000020 |
| /* Extended flow spec */ |
| #define L2CAP_EXTFEA_EXT_FLOW_SPEC 0x00000040 |
| /* Fixed channels */ |
| #define L2CAP_EXTFEA_FIXED_CHNLS 0x00000080 |
| /* Extended Window Size */ |
| #define L2CAP_EXTFEA_EXT_WINDOW 0x00000100 |
| /* Unicast Connectionless Data Reception */ |
| #define L2CAP_EXTFEA_UCD_RECEPTION 0x00000200 |
| |
| /* Mask for locally supported features used in Information Response |
| * (default to none) */ |
| #ifndef L2CAP_EXTFEA_SUPPORTED_MASK |
| #define L2CAP_EXTFEA_SUPPORTED_MASK 0 |
| #endif |
| |
| /* Mask for LE supported features used in Information Response |
| * (default to none) */ |
| #ifndef L2CAP_BLE_EXTFEA_MASK |
| #define L2CAP_BLE_EXTFEA_MASK 0 |
| #endif |
| |
| /* Define a value that tells L2CAP to use the default HCI ACL buffer size */ |
| #define L2CAP_INVALID_ERM_BUF_SIZE 0 |
| /* Define a value that tells L2CAP to use the default MPS */ |
| #define L2CAP_DEFAULT_ERM_MPS 0x0000 |
| |
| #define L2CAP_FCR_OVERHEAD 2 /* Control word */ |
| #define L2CAP_FCS_LEN 2 /* FCS takes 2 bytes */ |
| #define L2CAP_SDU_LEN_OVERHEAD 2 /* SDU length field is 2 bytes */ |
| #define L2CAP_SDU_LEN_OFFSET 2 /* SDU length offset is 2 bytes */ |
| #define L2CAP_EXT_CONTROL_OVERHEAD 4 /* Extended Control Field */ |
| /* length(2), channel(2), control(4), SDU length(2) FCS(2) */ |
| #define L2CAP_MAX_HEADER_FCS \ |
| (L2CAP_PKT_OVERHEAD + L2CAP_EXT_CONTROL_OVERHEAD + L2CAP_SDU_LEN_OVERHEAD + \ |
| L2CAP_FCS_LEN) |
| |
| /* To optimize this, it must be a multiple of the L2CAP PDU length AND match |
| * the 3DH5 air including the l2cap headers in each packet. To match the latter, |
| * the -5 is added. |
| * Changed it to 8087 to have same value between BTIF and L2cap layers |
| */ |
| #define L2CAP_MAX_SDU_LENGTH (8080 + 26 - (L2CAP_MIN_OFFSET + 6)) |
| #define L2CAP_MAX_BUF_SIZE (10240 + 24) |
| |
| /* Part of L2CAP_MIN_OFFSET that is not part of L2CAP |
| */ |
| #define L2CAP_OFFSET_WO_L2HDR \ |
| (L2CAP_MIN_OFFSET - (L2CAP_PKT_OVERHEAD + L2CAP_FCR_OVERHEAD)) |
| |
| /* SAR bits in the control word |
| */ |
| /* Control word to begin with for unsegmented PDU*/ |
| #define L2CAP_FCR_UNSEG_SDU 0x0000 |
| /* ...for Starting PDU of a semented SDU */ |
| #define L2CAP_FCR_START_SDU 0x4000 |
| /* ...for ending PDU of a segmented SDU */ |
| #define L2CAP_FCR_END_SDU 0x8000 |
| /* ...for continuation PDU of a segmented SDU */ |
| #define L2CAP_FCR_CONT_SDU 0xc000 |
| |
| /* Supervisory frame types */ |
| /* Supervisory frame - RR */ |
| #define L2CAP_FCR_SUP_RR 0x0000 |
| /* Supervisory frame - REJ */ |
| #define L2CAP_FCR_SUP_REJ 0x0001 |
| /* Supervisory frame - RNR */ |
| #define L2CAP_FCR_SUP_RNR 0x0002 |
| /* Supervisory frame - SREJ */ |
| #define L2CAP_FCR_SUP_SREJ 0x0003 |
| |
| /* Mask to get the SAR bits from control word */ |
| #define L2CAP_FCR_SAR_BITS 0xC000 |
| /* Bits to shift right to get the SAR bits from ctrl-word */ |
| #define L2CAP_FCR_SAR_BITS_SHIFT 14 |
| |
| /* Mask to check if a PDU is S-frame */ |
| #define L2CAP_FCR_S_FRAME_BIT 0x0001 |
| /* Mask to get the req-seq from control word */ |
| #define L2CAP_FCR_REQ_SEQ_BITS 0x3F00 |
| /* Bits to shift right to get the req-seq from ctrl-word */ |
| #define L2CAP_FCR_REQ_SEQ_BITS_SHIFT 8 |
| /* Mask on get the tx-seq from control word */ |
| #define L2CAP_FCR_TX_SEQ_BITS 0x007E |
| /* Bits to shift right to get the tx-seq from ctrl-word */ |
| #define L2CAP_FCR_TX_SEQ_BITS_SHIFT 1 |
| |
| /* F-bit in the control word (Sup and I frames) */ |
| #define L2CAP_FCR_F_BIT 0x0080 |
| /* P-bit in the control word (Sup frames only) */ |
| #define L2CAP_FCR_P_BIT 0x0010 |
| |
| #define L2CAP_FCR_F_BIT_SHIFT 7 |
| #define L2CAP_FCR_P_BIT_SHIFT 4 |
| |
| /* Mask to get the segmentation bits from ctrl-word */ |
| #define L2CAP_FCR_SEG_BITS 0xC000 |
| /* Bits to shift right to get the S-bits from ctrl-word */ |
| #define L2CAP_FCR_SUP_SHIFT 2 |
| /* Mask to get the supervisory bits from ctrl-word */ |
| #define L2CAP_FCR_SUP_BITS 0x000C |
| |
| /* Initial state of the CRC register */ |
| #define L2CAP_FCR_INIT_CRC 0 |
| /* Mask for sequence numbers (range 0 - 63) */ |
| #define L2CAP_FCR_SEQ_MODULO 0x3F |
| |
| #endif |
