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380 lines
13 KiB
380 lines
13 KiB
/****************************************************************************** |
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* |
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* Copyright (C) 1999-2012 Broadcom Corporation |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at: |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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******************************************************************************/ |
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/***************************************************************************** |
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* |
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* This file contains definitions internal to the RFC unit |
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* |
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*****************************************************************************/ |
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#ifndef RFC_INT_H |
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#define RFC_INT_H |
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#include "l2c_api.h" |
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#include "port_int.h" |
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/* |
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* Define RFCOMM result codes |
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*/ |
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#define RFCOMM_SUCCESS 0 |
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#define RFCOMM_ERROR 1 |
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#define RFCOMM_LOW_RESOURCES 2 |
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#define RFCOMM_TRY_LATER 3 |
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#define RFCOMM_USER_ERR 111 |
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#define RFCOMM_SECURITY_ERR 112 |
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/* |
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* Define max and min RFCOMM MTU (N1) |
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*/ |
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#define RFCOMM_MIN_MTU 23 |
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#define RFCOMM_MAX_MTU 32767 |
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extern void RFCOMM_StartReq(tRFC_MCB* p_mcb); |
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extern void RFCOMM_StartRsp(tRFC_MCB* p_mcb, uint16_t result); |
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extern void RFCOMM_DlcEstablishReq(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu); |
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extern void RFCOMM_DlcEstablishRsp(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu, |
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uint16_t result); |
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extern void RFCOMM_DataReq(tRFC_MCB* p_mcb, uint8_t dlci, BT_HDR* p_buf); |
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extern void RFCOMM_DlcReleaseReq(tRFC_MCB* p_mcb, uint8_t dlci); |
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extern void RFCOMM_ParNegReq(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu); |
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extern void RFCOMM_ParNegRsp(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu, |
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uint8_t cl, uint8_t k); |
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extern void RFCOMM_TestReq(uint8_t* p_data, uint16_t len); |
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#define RFCOMM_FLOW_STATE_DISABLE 0 |
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#define RFCOMM_FLOW_STATE_ENABLE 1 |
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extern void RFCOMM_FlowReq(tRFC_MCB* p_mcb, uint8_t dlci, uint8_t state); |
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extern void RFCOMM_PortNegReq(tRFC_MCB* p_mcb, uint8_t dlci, |
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tPORT_STATE* p_pars); |
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extern void RFCOMM_PortNegRsp(tRFC_MCB* p_mcb, uint8_t dlci, |
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tPORT_STATE* p_pars, uint16_t param_mask); |
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extern void RFCOMM_ControlReq(tRFC_MCB* p_mcb, uint8_t dlci, |
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tPORT_CTRL* p_pars); |
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extern void RFCOMM_ControlRsp(tRFC_MCB* p_mcb, uint8_t dlci, |
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tPORT_CTRL* p_pars); |
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extern void RFCOMM_LineStatusReq(tRFC_MCB* p_mcb, uint8_t dlci, |
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uint8_t line_status); |
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/* |
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* Define logical struct used for sending and decoding MX frames |
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*/ |
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typedef struct { |
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uint8_t dlci; |
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uint8_t type; |
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uint8_t cr; |
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uint8_t ea; |
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uint8_t pf; |
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uint8_t credit; |
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union { |
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struct { |
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uint8_t dlci; |
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uint8_t frame_type; |
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uint8_t conv_layer; |
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uint8_t priority; |
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uint8_t t1; |
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uint16_t mtu; |
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uint8_t n2; |
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uint8_t k; |
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} pn; |
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struct { |
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uint8_t* p_data; |
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uint16_t data_len; |
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} test; |
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struct { |
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uint8_t dlci; |
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uint8_t signals; |
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uint8_t break_present; |
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uint8_t break_duration; |
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} msc; |
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struct { |
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uint8_t ea; |
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uint8_t cr; |
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uint8_t type; |
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} nsc; |
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struct { |
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uint8_t dlci; |
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uint8_t is_request; |
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uint8_t baud_rate; |
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uint8_t byte_size; |
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uint8_t stop_bits; |
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uint8_t parity; |
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uint8_t parity_type; |
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uint8_t fc_type; |
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uint8_t xon_char; |
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uint8_t xoff_char; |
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uint16_t param_mask; |
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} rpn; |
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struct { |
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uint8_t dlci; |
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uint8_t line_status; |
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} rls; |
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} u; |
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} MX_FRAME; |
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#define LINE_STATUS_NO_ERROR 0x00 |
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#define LINE_STATUS_OVERRUN 0x02 /* Receive Overrun Error */ |
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#define LINE_STATUS_RXPARITY 0x04 /* Receive Parity Error */ |
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#define LINE_STATUS_FRAME 0x08 /* Receive Framing error */ |
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#define LINE_STATUS_FAILED 0x10 /* Connection Failed */ |
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/* |
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* Define states and events for the RFC multiplexer state machine |
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*/ |
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#define RFC_MX_STATE_IDLE 0 |
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#define RFC_MX_STATE_WAIT_CONN_CNF 1 |
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#define RFC_MX_STATE_CONFIGURE 2 |
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#define RFC_MX_STATE_SABME_WAIT_UA 3 |
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#define RFC_MX_STATE_WAIT_SABME 4 |
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#define RFC_MX_STATE_CONNECTED 5 |
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#define RFC_MX_STATE_DISC_WAIT_UA 6 |
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/* |
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* Define port states |
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*/ |
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#define RFC_STATE_CLOSED 0 |
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#define RFC_STATE_SABME_WAIT_UA 1 |
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#define RFC_STATE_ORIG_WAIT_SEC_CHECK 2 |
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#define RFC_STATE_TERM_WAIT_SEC_CHECK 3 |
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#define RFC_STATE_OPENED 4 |
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#define RFC_STATE_DISC_WAIT_UA 5 |
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/* |
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* Events that can be received by multiplexer as well as port state machines |
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*/ |
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#define RFC_EVENT_SABME 0 |
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#define RFC_EVENT_UA 1 |
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#define RFC_EVENT_DM 2 |
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#define RFC_EVENT_DISC 3 |
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#define RFC_EVENT_UIH 4 |
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#define RFC_EVENT_TIMEOUT 5 |
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#define RFC_EVENT_BAD_FRAME 50 |
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/* |
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* Multiplexer events |
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*/ |
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#define RFC_MX_EVENT_START_REQ 6 |
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#define RFC_MX_EVENT_START_RSP 7 |
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#define RFC_MX_EVENT_CLOSE_REQ 8 |
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#define RFC_MX_EVENT_CONN_CNF 9 |
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#define RFC_MX_EVENT_CONN_IND 10 |
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#define RFC_MX_EVENT_CONF_CNF 11 |
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#define RFC_MX_EVENT_CONF_IND 12 |
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#define RFC_MX_EVENT_QOS_VIOLATION_IND 13 |
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#define RFC_MX_EVENT_DISC_IND 14 |
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#define RFC_MX_EVENT_TEST_CMD 15 |
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#define RFC_MX_EVENT_TEST_RSP 16 |
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#define RFC_MX_EVENT_FCON_CMD 17 |
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#define RFC_MX_EVENT_FCOFF_CMD 18 |
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#define RFC_MX_EVENT_NSC 19 |
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#define RFC_MX_EVENT_NSC_RSP 20 |
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/* |
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* Port events |
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*/ |
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#define RFC_EVENT_OPEN 9 |
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#define RFC_EVENT_ESTABLISH_RSP 11 |
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#define RFC_EVENT_CLOSE 12 |
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#define RFC_EVENT_CLEAR 13 |
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#define RFC_EVENT_DATA 14 |
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#define RFC_EVENT_SEC_COMPLETE 15 |
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/* seconds to wait for reply with Poll bit */ |
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#define RFC_T1_TIMEOUT 20 |
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/* seconds to wait for reply with Poll bit other than MX */ |
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#define RFC_PORT_T1_TIMEOUT 60 |
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/* timeout to wait for Mx UIH */ |
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#define RFC_T2_TIMEOUT 20 |
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/* If something goes wrong and we send DISC we should not wait for min */ |
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#define RFC_DISC_TIMEOUT 3 |
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#define RFC_CLOSE_TIMEOUT 10 |
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/* first connection to be established on Mx */ |
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#define RFCOMM_CONN_TIMEOUT 120 |
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/* Define RFComm control block |
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*/ |
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typedef struct { |
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MX_FRAME rx_frame; |
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tL2CAP_APPL_INFO reg_info; /* L2CAP Registration info */ |
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/* MCB based on the L2CAP's lcid */ |
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tRFC_MCB* p_rfc_lcid_mcb[MAX_L2CAP_CHANNELS]; |
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bool peer_rx_disabled; /* If true peer sent FCOFF */ |
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uint8_t last_mux; /* Last mux allocated */ |
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uint8_t last_port; /* Last port allocated */ |
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} tRFCOMM_CB; |
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/* Main Control Block for the RFCOMM Layer (PORT and RFC) */ |
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typedef struct { |
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tRFCOMM_CB rfc; |
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tPORT_CB port; |
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uint8_t trace_level; |
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} tRFC_CB; |
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extern tRFC_CB rfc_cb; |
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/* Timer running on the multiplexor channel while no DLCI connection is open */ |
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#define RFC_MCB_INIT_INACT_TIMER 60 /* in seconds */ |
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/* Timer running on the multiplexor channel after last DLCI is released */ |
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#define RFC_MCB_RELEASE_INACT_TIMER 2 /* in seconds */ |
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/* |
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* Define RFCOMM frame processing errors |
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*/ |
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#define RFCOMM_ERR_BAD_SABME 1 |
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#define RFCOMM_ERR_BAD_UA 2 |
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#define RFCOMM_ERR_BAD_DM 3 |
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#define RFCOMM_ERR_BAD_DISC 4 |
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#define RFCOMM_ERR_BAD_UIH 5 |
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#ifdef RFCOMM_PRECALC_FCS |
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#define RFCOMM_SABME_FCS(p_data, cr, dlci) rfc_sabme_fcs[cr][dlci] |
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#define RFCOMM_UA_FCS(p_data, cr, dlci) rfc_ua_fcs[cr][dlci] |
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#define RFCOMM_DM_FCS(p_data, cr, dlci) rfc_dm_fcs[cr][dlci] |
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#define RFCOMM_DISC_FCS(p_data, cr, dlci) rfc_disc_fcs[cr][dlci] |
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#define RFCOMM_UIH_FCS(p_data, dlci) rfc_uih_fcs[dlci] |
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#else |
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extern uint8_t rfc_calc_fcs(uint16_t len, uint8_t* p); |
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#define RFCOMM_SABME_FCS(p_data, cr, dlci) rfc_calc_fcs(3, p_data) |
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#define RFCOMM_UA_FCS(p_data, cr, dlci) rfc_calc_fcs(3, p_data) |
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#define RFCOMM_DM_FCS(p_data, cr, dlci) rfc_calc_fcs(3, p_data) |
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#define RFCOMM_DISC_FCS(p_data, cr, dlci) rfc_calc_fcs(3, p_data) |
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#define RFCOMM_UIH_FCS(p_data, dlci) rfc_calc_fcs(2, p_data) |
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#endif |
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extern void rfc_mx_sm_execute(tRFC_MCB* p_mcb, uint16_t event, void* p_data); |
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/* |
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* Functions provided by the rfc_port_fsm.cc |
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*/ |
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extern void rfc_port_sm_execute(tPORT* p_port, uint16_t event, void* p_data); |
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extern void rfc_process_pn(tRFC_MCB* p_rfc_mcb, bool is_command, |
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MX_FRAME* p_frame); |
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extern void rfc_process_msc(tRFC_MCB* p_rfc_mcb, bool is_command, |
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MX_FRAME* p_frame); |
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extern void rfc_process_rpn(tRFC_MCB* p_rfc_mcb, bool is_command, |
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bool is_request, MX_FRAME* p_frame); |
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extern void rfc_process_rls(tRFC_MCB* p_rfc_mcb, bool is_command, |
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MX_FRAME* p_frame); |
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extern void rfc_process_nsc(tRFC_MCB* p_rfc_mcb, MX_FRAME* p_frame); |
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extern void rfc_process_test_rsp(tRFC_MCB* p_rfc_mcb, BT_HDR* p_buf); |
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extern void rfc_process_fcon(tRFC_MCB* p_rfc_mcb, bool is_command); |
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extern void rfc_process_fcoff(tRFC_MCB* p_rfc_mcb, bool is_command); |
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extern void rfc_process_l2cap_congestion(tRFC_MCB* p_mcb, bool is_congested); |
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/* |
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* Functions provided by the rfc_utils.cc |
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*/ |
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tRFC_MCB* rfc_alloc_multiplexer_channel(const RawAddress& bd_addr, |
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bool is_initiator); |
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extern void rfc_release_multiplexer_channel(tRFC_MCB* p_rfc_mcb); |
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extern void rfc_timer_start(tRFC_MCB* p_rfc_mcb, uint16_t timeout); |
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extern void rfc_timer_stop(tRFC_MCB* p_rfc_mcb); |
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extern void rfc_port_timer_start(tPORT* p_port, uint16_t tout); |
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extern void rfc_port_timer_stop(tPORT* p_port); |
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bool rfc_check_uih_fcs(uint8_t dlci, uint8_t received_fcs); |
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bool rfc_check_fcs(uint16_t len, uint8_t* p, uint8_t received_fcs); |
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tRFC_MCB* rfc_find_lcid_mcb(uint16_t lcid); |
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extern void rfc_save_lcid_mcb(tRFC_MCB* p_rfc_mcb, uint16_t lcid); |
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extern void rfc_check_mcb_active(tRFC_MCB* p_mcb); |
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extern void rfc_port_closed(tPORT* p_port); |
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extern void rfc_sec_check_complete(const RawAddress* bd_addr, |
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tBT_TRANSPORT transport, void* p_ref_data, |
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uint8_t res); |
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extern void rfc_inc_credit(tPORT* p_port, uint8_t credit); |
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extern void rfc_dec_credit(tPORT* p_port); |
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extern void rfc_check_send_cmd(tRFC_MCB* p_mcb, BT_HDR* p_buf); |
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/* |
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* Functions provided by the rfc_ts_frames.cc |
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*/ |
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extern void rfc_send_sabme(tRFC_MCB* p_rfc_mcb, uint8_t dlci); |
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extern void rfc_send_ua(tRFC_MCB* p_rfc_mcb, uint8_t dlci); |
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extern void rfc_send_dm(tRFC_MCB* p_rfc_mcb, uint8_t dlci, bool pf); |
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extern void rfc_send_disc(tRFC_MCB* p_rfc_mcb, uint8_t dlci); |
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extern void rfc_send_pn(tRFC_MCB* p_mcb, uint8_t dlci, bool is_command, |
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uint16_t mtu, uint8_t cl, uint8_t k); |
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extern void rfc_send_test(tRFC_MCB* p_rfc_mcb, bool is_command, BT_HDR* p_buf); |
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extern void rfc_send_msc(tRFC_MCB* p_mcb, uint8_t dlci, bool is_command, |
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tPORT_CTRL* p_pars); |
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extern void rfc_send_rls(tRFC_MCB* p_mcb, uint8_t dlci, bool is_command, |
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uint8_t status); |
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extern void rfc_send_rpn(tRFC_MCB* p_mcb, uint8_t dlci, bool is_command, |
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tPORT_STATE* p_pars, uint16_t mask); |
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extern void rfc_send_fcon(tRFC_MCB* p_mcb, bool is_command); |
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extern void rfc_send_fcoff(tRFC_MCB* p_mcb, bool is_command); |
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extern void rfc_send_buf_uih(tRFC_MCB* p_rfc_mcb, uint8_t dlci, BT_HDR* p_buf); |
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extern void rfc_send_credit(tRFC_MCB* p_mcb, uint8_t dlci, uint8_t credit); |
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extern void rfc_process_mx_message(tRFC_MCB* p_rfc_mcb, BT_HDR* p_buf); |
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extern uint8_t rfc_parse_data(tRFC_MCB* p_rfc_mcb, MX_FRAME* p_frame, |
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BT_HDR* p_buf); |
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/* Call back functions from RFCOMM */ |
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extern void rfcomm_l2cap_if_init(void); |
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extern void PORT_StartInd(tRFC_MCB* p_mcb); |
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extern void PORT_StartCnf(tRFC_MCB* p_mcb, uint16_t result); |
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extern void PORT_CloseInd(tRFC_MCB* p_mcb); |
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extern void Port_TimeOutCloseMux(tRFC_MCB* p_mcb); |
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extern void PORT_DlcEstablishInd(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu); |
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extern void PORT_DlcEstablishCnf(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu, |
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uint16_t result); |
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extern void PORT_DataInd(tRFC_MCB* p_mcb, uint8_t dlci, BT_HDR* p_buf); |
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extern void PORT_DlcReleaseInd(tRFC_MCB* p_mcb, uint8_t dlci); |
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extern void PORT_ParNegInd(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu, |
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uint8_t cl, uint8_t k); |
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extern void PORT_ParNegCnf(tRFC_MCB* p_mcb, uint8_t dlci, uint16_t mtu, |
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uint8_t cl, uint8_t k); |
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extern void PORT_TestCnf(tRFC_MCB* p_mcb, uint8_t* p_data, uint16_t len); |
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extern void PORT_FlowInd(tRFC_MCB* p_mcb, uint8_t dlci, bool fc); |
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extern void PORT_PortNegInd(tRFC_MCB* p_mcb, uint8_t dlci, tPORT_STATE* p_pars, |
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uint16_t param_mask); |
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extern void PORT_PortNegCnf(tRFC_MCB* p_mcb, uint8_t dlci, tPORT_STATE* p_pars, |
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uint16_t result); |
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extern void PORT_ControlInd(tRFC_MCB* p_mcb, uint8_t dlci, tPORT_CTRL* p_pars); |
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extern void PORT_ControlCnf(tRFC_MCB* p_mcb, uint8_t dlci, tPORT_CTRL* p_pars); |
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extern void PORT_LineStatusInd(tRFC_MCB* p_mcb, uint8_t dlci, |
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uint8_t line_status); |
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#endif
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