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Commit 009d81bc authored by Hansong Zhang's avatar Hansong Zhang Committed by Automerger Merge Worker
Browse files

L2cap: LE specific disconnect and write API am: 2b2c8f58 am: 1d3aec0e am: 0b397589 

Original change: https://android-review.googlesource.com/c/platform/system/bt/+/1477286

Change-Id: I6774d64c54aefdc45ad5e61cd16617b1e056ee35
parents e18d8238 0b397589

system/stack/gap/gap_conn.cc

+18 −4
Original line number Diff line number Diff line
@@ -317,8 +317,13 @@ uint16_t GAP_ConnClose(uint16_t gap_handle) { 


  if (p_ccb) {

    /* Check if we have a connection ID */

    if (p_ccb->con_state != GAP_CCB_STATE_LISTENING)

    if (p_ccb->con_state != GAP_CCB_STATE_LISTENING) {

      if (p_ccb->transport == BT_TRANSPORT_LE) {

        L2CA_DisconnectLECocReq(p_ccb->connection_id);

      } else {

        L2CA_DisconnectReq(p_ccb->connection_id);

      }

    }



    gap_release_ccb(p_ccb);
@@ -430,7 +435,12 @@ static bool gap_try_write_queued_data(tGAP_CCB* p_ccb) { 
  /* Send the buffer through L2CAP */

  BT_HDR* p_buf;

  while ((p_buf = (BT_HDR*)fixed_queue_try_dequeue(p_ccb->tx_queue)) != NULL) {

    uint8_t status = L2CA_DataWrite(p_ccb->connection_id, p_buf);

    uint8_t status;

    if (p_ccb->transport == BT_TRANSPORT_LE) {

      status = L2CA_LECocDataWrite(p_ccb->connection_id, p_buf);

    } else {

      status = L2CA_DataWrite(p_ccb->connection_id, p_buf);

    }



    if (status == L2CAP_DW_CONGESTED) {

      p_ccb->is_congested = true;
@@ -604,7 +614,11 @@ static void gap_connect_ind(const RawAddress& bd_addr, uint16_t l2cap_cid, 
    LOG(WARNING) << "*******";



    /* Disconnect because it is an unexpected connection */

    if (p_ccb->transport == BT_TRANSPORT_LE) {

      L2CA_DisconnectLECocReq(l2cap_cid);

    } else {

      L2CA_DisconnectReq(l2cap_cid);

    }

    return;

  }

system/stack/include/l2c_api.h

+4 −0
Original line number Diff line number Diff line
@@ -507,6 +507,8 @@ extern bool L2CA_ConnectCreditBasedRsp(const RawAddress& p_bd_addr, uint8_t id, 
 ******************************************************************************/

extern bool L2CA_DisconnectReq(uint16_t cid);



extern bool L2CA_DisconnectLECocReq(uint16_t cid);



/*******************************************************************************

 *

 * Function         L2CA_DataWrite
@@ -521,6 +523,8 @@ extern bool L2CA_DisconnectReq(uint16_t cid); 
 ******************************************************************************/

extern uint8_t L2CA_DataWrite(uint16_t cid, BT_HDR* p_data);



extern uint8_t L2CA_LECocDataWrite(uint16_t cid, BT_HDR* p_data);



// Given a local channel identifier, |lcid|, this function returns the bound

// remote channel identifier, |rcid|. If

// |lcid| is not known or is invalid, this function returns false and does not

system/stack/l2cap/l2c_api.cc

+6 −0
Original line number Diff line number Diff line
@@ -891,6 +891,8 @@ bool L2CA_DisconnectReq(uint16_t cid) { 
  return (true);

}



bool L2CA_DisconnectLECocReq(uint16_t cid) { return L2CA_DisconnectReq(cid); }



bool L2CA_GetRemoteCid(uint16_t lcid, uint16_t* rcid) {

  if (bluetooth::shim::is_gd_l2cap_enabled()) {

    return bluetooth::shim::L2CA_GetRemoteCid(lcid, rcid);
@@ -1457,6 +1459,10 @@ uint8_t L2CA_DataWrite(uint16_t cid, BT_HDR* p_data) { 
  return l2c_data_write(cid, p_data, L2CAP_FLUSHABLE_CH_BASED);

}



uint8_t L2CA_LECocDataWrite(uint16_t cid, BT_HDR* p_data) {

  return L2CA_DataWrite(cid, p_data);

}



/*******************************************************************************

 *

 * Function         L2CA_SetChnlFlushability