blob: 12c9da03f6e007411df0dbe8f8cb572e53d83810 [file] [log] [blame]
/******************************************************************************
*
* Copyright (C) 2001-2012 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.
*
******************************************************************************/
/******************************************************************************
*
* this file contains the main BNEP functions
*
******************************************************************************/
#include "bt_target.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "gki.h"
#include "bt_types.h"
#include "l2cdefs.h"
#include "hcidefs.h"
#include "hcimsgs.h"
#include "l2c_api.h"
#include "l2cdefs.h"
#include "btu.h"
#include "btm_api.h"
#include "bnep_api.h"
#include "bnep_int.h"
/********************************************************************************/
/* G L O B A L B N E P D A T A */
/********************************************************************************/
#if BNEP_DYNAMIC_MEMORY == FALSE
tBNEP_CB bnep_cb;
#endif
const UINT16 bnep_frame_hdr_sizes[] = {14, 1, 2, 8, 8};
/********************************************************************************/
/* L O C A L F U N C T I O N P R O T O T Y P E S */
/********************************************************************************/
static void bnep_connect_ind (BD_ADDR bd_addr, UINT16 l2cap_cid, UINT16 psm, UINT8 l2cap_id);
static void bnep_connect_cfm (UINT16 l2cap_cid, UINT16 result);
static void bnep_config_ind (UINT16 l2cap_cid, tL2CAP_CFG_INFO *p_cfg);
static void bnep_config_cfm (UINT16 l2cap_cid, tL2CAP_CFG_INFO *p_cfg);
static void bnep_disconnect_ind (UINT16 l2cap_cid, BOOLEAN ack_needed);
static void bnep_disconnect_cfm (UINT16 l2cap_cid, UINT16 result);
static void bnep_data_ind (UINT16 l2cap_cid, BT_HDR *p_msg);
static void bnep_congestion_ind (UINT16 lcid, BOOLEAN is_congested);
static void bnep_read_addr_cb (void *p_bda);
/*******************************************************************************
**
** Function bnep_register_with_l2cap
**
** Description This function registers BNEP PSM with L2CAP
**
** Returns void
**
*******************************************************************************/
tBNEP_RESULT bnep_register_with_l2cap (void)
{
/* Initialize the L2CAP configuration. We only care about MTU and flush */
memset(&bnep_cb.l2cap_my_cfg, 0, sizeof(tL2CAP_CFG_INFO));
bnep_cb.l2cap_my_cfg.mtu_present = TRUE;
bnep_cb.l2cap_my_cfg.mtu = BNEP_MTU_SIZE;
bnep_cb.l2cap_my_cfg.flush_to_present = TRUE;
bnep_cb.l2cap_my_cfg.flush_to = BNEP_FLUSH_TO;
bnep_cb.reg_info.pL2CA_ConnectInd_Cb = bnep_connect_ind;
bnep_cb.reg_info.pL2CA_ConnectCfm_Cb = bnep_connect_cfm;
bnep_cb.reg_info.pL2CA_ConfigInd_Cb = bnep_config_ind;
bnep_cb.reg_info.pL2CA_ConfigCfm_Cb = bnep_config_cfm;
bnep_cb.reg_info.pL2CA_DisconnectInd_Cb = bnep_disconnect_ind;
bnep_cb.reg_info.pL2CA_DisconnectCfm_Cb = bnep_disconnect_cfm;
bnep_cb.reg_info.pL2CA_DataInd_Cb = bnep_data_ind;
bnep_cb.reg_info.pL2CA_CongestionStatus_Cb = bnep_congestion_ind;
/* Now, register with L2CAP */
if (!L2CA_Register (BT_PSM_BNEP, &bnep_cb.reg_info))
{
BNEP_TRACE_ERROR0 ("BNEP - Registration failed");
return BNEP_SECURITY_FAIL;
}
return BNEP_SUCCESS;
}
/*******************************************************************************
**
** Function bnep_connect_ind
**
** Description This function handles an inbound connection indication
** from L2CAP. This is the case where we are acting as a
** server.
**
** Returns void
**
*******************************************************************************/
static void bnep_connect_ind (BD_ADDR bd_addr, UINT16 l2cap_cid, UINT16 psm, UINT8 l2cap_id)
{
tBNEP_CONN *p_bcb = bnepu_find_bcb_by_bd_addr (bd_addr);
/* If we are not acting as server, or already have a connection, or have */
/* no more resources to handle the connection, reject the connection. */
if (!(bnep_cb.profile_registered) || (p_bcb)
|| ((p_bcb = bnepu_allocate_bcb(bd_addr)) == NULL))
{
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_NO_PSM, 0);
return;
}
/* Transition to the next appropriate state, waiting for config setup. */
p_bcb->con_state = BNEP_STATE_CFG_SETUP;
/* Save the L2CAP Channel ID. */
p_bcb->l2cap_cid = l2cap_cid;
/* Send response to the L2CAP layer. */
L2CA_ConnectRsp (bd_addr, l2cap_id, l2cap_cid, L2CAP_CONN_OK, L2CAP_CONN_OK);
/* Send a Configuration Request. */
L2CA_ConfigReq (l2cap_cid, &bnep_cb.l2cap_my_cfg);
/* Start timer waiting for config setup */
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_CONN_TIMEOUT);
BNEP_TRACE_EVENT1("BNEP - Rcvd L2CAP conn ind, CID: 0x%x", p_bcb->l2cap_cid);
}
/*******************************************************************************
**
** Function bnep_connect_cfm
**
** Description This function handles the connect confirm events
** from L2CAP. This is the case when we are acting as a
** client and have sent a connect request.
**
** Returns void
**
*******************************************************************************/
static void bnep_connect_cfm (UINT16 l2cap_cid, UINT16 result)
{
tBNEP_CONN *bcb;
/* Find CCB based on CID */
if ((bcb = bnepu_find_bcb_by_cid (l2cap_cid)) == NULL)
{
BNEP_TRACE_WARNING1 ("BNEP - Rcvd conn cnf for unknown CID 0x%x", l2cap_cid);
return;
}
/* If the connection response contains success status, then */
/* Transition to the next state and startup the timer. */
if ((result == L2CAP_CONN_OK) && (bcb->con_state == BNEP_STATE_CONN_START))
{
bcb->con_state = BNEP_STATE_CFG_SETUP;
/* Send a Configuration Request. */
L2CA_ConfigReq (l2cap_cid, &bnep_cb.l2cap_my_cfg);
/* Start timer waiting for config results */
btu_start_timer (&bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_CONN_TIMEOUT);
BNEP_TRACE_EVENT1 ("BNEP - got conn cnf, sent cfg req, CID: 0x%x", bcb->l2cap_cid);
}
else
{
BNEP_TRACE_WARNING2 ("BNEP - Rcvd conn cnf with error: 0x%x CID 0x%x", result, bcb->l2cap_cid);
/* Tell the upper layer, if he has a callback */
if (bnep_cb.p_conn_state_cb &&
bcb->con_flags & BNEP_FLAGS_IS_ORIG)
{
(*bnep_cb.p_conn_state_cb) (bcb->handle, bcb->rem_bda, BNEP_CONN_FAILED, FALSE);
}
bnepu_release_bcb (bcb);
}
}
/*******************************************************************************
**
** Function bnep_config_ind
**
** Description This function processes the L2CAP configuration indication
** event.
**
** Returns void
**
*******************************************************************************/
static void bnep_config_ind (UINT16 l2cap_cid, tL2CAP_CFG_INFO *p_cfg)
{
tBNEP_CONN *p_bcb;
UINT16 result, mtu = 0;
/* Find CCB based on CID */
if ((p_bcb = bnepu_find_bcb_by_cid (l2cap_cid)) == NULL)
{
BNEP_TRACE_WARNING1 ("BNEP - Rcvd L2CAP cfg ind, unknown CID: 0x%x", l2cap_cid);
return;
}
BNEP_TRACE_EVENT1 ("BNEP - Rcvd cfg ind, CID: 0x%x", l2cap_cid);
/* Remember the remote MTU size */
if ((!p_cfg->mtu_present) || (p_cfg->mtu < BNEP_MIN_MTU_SIZE))
{
mtu = p_cfg->mtu;
p_cfg->flush_to_present = FALSE;
p_cfg->mtu_present = TRUE;
p_cfg->mtu = BNEP_MIN_MTU_SIZE;
p_cfg->result = result = L2CAP_CFG_UNACCEPTABLE_PARAMS;
}
else
{
if (p_cfg->mtu > BNEP_MTU_SIZE)
p_bcb->rem_mtu_size = BNEP_MTU_SIZE;
else
p_bcb->rem_mtu_size = p_cfg->mtu;
/* For now, always accept configuration from the other side */
p_cfg->flush_to_present = FALSE;
p_cfg->mtu_present = FALSE;
p_cfg->result = result = L2CAP_CFG_OK;
}
L2CA_ConfigRsp (l2cap_cid, p_cfg);
if (result != L2CAP_CFG_OK)
{
BNEP_TRACE_EVENT2 ("BNEP - Rcvd cfg ind with bad MTU %d, CID: 0x%x", mtu, l2cap_cid);
return;
}
p_bcb->con_flags |= BNEP_FLAGS_HIS_CFG_DONE;
if (p_bcb->con_flags & BNEP_FLAGS_MY_CFG_DONE)
{
p_bcb->con_state = BNEP_STATE_SEC_CHECKING;
/* Start timer waiting for setup or response */
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_HOST_TIMEOUT);
if (p_bcb->con_flags & BNEP_FLAGS_IS_ORIG)
{
btm_sec_mx_access_request (p_bcb->rem_bda, BT_PSM_BNEP, TRUE,
BTM_SEC_PROTO_BNEP,
bnep_get_uuid32(&(p_bcb->src_uuid)),
&bnep_sec_check_complete, p_bcb);
}
}
}
/*******************************************************************************
**
** Function bnep_config_cfm
**
** Description This function processes the L2CAP configuration confirmation
** event.
**
** Returns void
**
*******************************************************************************/
static void bnep_config_cfm (UINT16 l2cap_cid, tL2CAP_CFG_INFO *p_cfg)
{
tBNEP_CONN *p_bcb;
BNEP_TRACE_EVENT2 ("BNEP - Rcvd cfg cfm, CID: 0x%x Result: %d", l2cap_cid, p_cfg->result);
/* Find CCB based on CID */
if ((p_bcb = bnepu_find_bcb_by_cid (l2cap_cid)) == NULL)
{
BNEP_TRACE_WARNING1 ("BNEP - Rcvd L2CAP cfg ind, unknown CID: 0x%x", l2cap_cid);
return;
}
/* For now, always accept configuration from the other side */
if (p_cfg->result == L2CAP_CFG_OK)
{
p_bcb->con_flags |= BNEP_FLAGS_MY_CFG_DONE;
if (p_bcb->con_flags & BNEP_FLAGS_HIS_CFG_DONE)
{
p_bcb->con_state = BNEP_STATE_SEC_CHECKING;
/* Start timer waiting for setup or response */
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_HOST_TIMEOUT);
if (p_bcb->con_flags & BNEP_FLAGS_IS_ORIG)
{
btm_sec_mx_access_request (p_bcb->rem_bda, BT_PSM_BNEP, TRUE,
BTM_SEC_PROTO_BNEP,
bnep_get_uuid32(&(p_bcb->src_uuid)),
&bnep_sec_check_complete, p_bcb);
}
}
}
else
{
/* Tell the upper layer, if he has a callback */
if ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb))
{
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_CONN_FAILED_CFG, FALSE);
}
L2CA_DisconnectReq (p_bcb->l2cap_cid);
bnepu_release_bcb (p_bcb);
}
}
/*******************************************************************************
**
** Function bnep_disconnect_ind
**
** Description This function handles a disconnect event from L2CAP. If
** requested to, we ack the disconnect before dropping the CCB
**
** Returns void
**
*******************************************************************************/
static void bnep_disconnect_ind (UINT16 l2cap_cid, BOOLEAN ack_needed)
{
tBNEP_CONN *p_bcb;
if (ack_needed)
L2CA_DisconnectRsp (l2cap_cid);
/* Find CCB based on CID */
if ((p_bcb = bnepu_find_bcb_by_cid (l2cap_cid)) == NULL)
{
BNEP_TRACE_WARNING1 ("BNEP - Rcvd L2CAP disc, unknown CID: 0x%x", l2cap_cid);
return;
}
BNEP_TRACE_EVENT1 ("BNEP - Rcvd L2CAP disc, CID: 0x%x", l2cap_cid);
/* Tell the user if he has a callback */
if (p_bcb->con_state == BNEP_STATE_CONNECTED)
{
if (bnep_cb.p_conn_state_cb)
(*bnep_cb.p_conn_state_cb)(p_bcb->handle, p_bcb->rem_bda, BNEP_CONN_DISCONNECTED, FALSE);
}
else
{
if (((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb)) ||
p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_CONN_FAILED, FALSE);
}
bnepu_release_bcb (p_bcb);
}
/*******************************************************************************
**
** Function bnep_disconnect_cfm
**
** Description This function gets the disconnect confirm event from L2CAP
**
** Returns void
**
*******************************************************************************/
static void bnep_disconnect_cfm (UINT16 l2cap_cid, UINT16 result)
{
BNEP_TRACE_EVENT2 ("BNEP - Rcvd L2CAP disc cfm, CID: 0x%x, Result 0x%x", l2cap_cid, result);
}
/*******************************************************************************
**
** Function bnep_congestion_ind
**
** Description This is a callback function called by L2CAP when
** congestion status changes
**
*******************************************************************************/
static void bnep_congestion_ind (UINT16 l2cap_cid, BOOLEAN is_congested)
{
tBNEP_CONN *p_bcb;
/* Find BCB based on CID */
if ((p_bcb = bnepu_find_bcb_by_cid (l2cap_cid)) == NULL)
{
BNEP_TRACE_WARNING1 ("BNEP - Rcvd L2CAP cong, unknown CID: 0x%x", l2cap_cid);
return;
}
if (is_congested)
{
p_bcb->con_flags |= BNEP_FLAGS_L2CAP_CONGESTED;
if(bnep_cb.p_tx_data_flow_cb)
{
bnep_cb.p_tx_data_flow_cb(p_bcb->handle, BNEP_TX_FLOW_OFF);
}
}
else
{
p_bcb->con_flags &= ~BNEP_FLAGS_L2CAP_CONGESTED;
if(bnep_cb.p_tx_data_flow_cb)
{
bnep_cb.p_tx_data_flow_cb(p_bcb->handle, BNEP_TX_FLOW_ON);
}
/* While not congested, send as many buffers as we can */
while (!(p_bcb->con_flags & BNEP_FLAGS_L2CAP_CONGESTED))
{
BT_HDR *p_buf = (BT_HDR *)GKI_dequeue (&p_bcb->xmit_q);
if (!p_buf)
break;
L2CA_DataWrite (l2cap_cid, p_buf);
}
}
}
/*******************************************************************************
**
** Function bnep_data_ind
**
** Description This function is called when data is received from L2CAP.
** if we are the originator of the connection, we are the SDP
** client, and the received message is queued up for the client.
**
** If we are the destination of the connection, we are the SDP
** server, so the message is passed to the server processing
** function.
**
** Returns void
**
*******************************************************************************/
static void bnep_data_ind (UINT16 l2cap_cid, BT_HDR *p_buf)
{
tBNEP_CONN *p_bcb;
UINT8 *p = (UINT8 *)(p_buf + 1) + p_buf->offset;
UINT16 rem_len = p_buf->len;
UINT8 type, ctrl_type, ext_type = 0;
BOOLEAN extension_present, fw_ext_present;
UINT16 protocol = 0;
UINT8 *p_src_addr, *p_dst_addr;
/* Find CCB based on CID */
if ((p_bcb = bnepu_find_bcb_by_cid (l2cap_cid)) == NULL)
{
BNEP_TRACE_WARNING1 ("BNEP - Rcvd L2CAP data, unknown CID: 0x%x", l2cap_cid);
GKI_freebuf (p_buf);
return;
}
/* Get the type and extension bits */
type = *p++;
extension_present = type >> 7;
type &= 0x7f;
if ((rem_len <= bnep_frame_hdr_sizes[type]) || (rem_len > BNEP_MTU_SIZE))
{
BNEP_TRACE_EVENT2 ("BNEP - rcvd frame, bad len: %d type: 0x%02x", p_buf->len, type);
GKI_freebuf (p_buf);
return;
}
rem_len--;
if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
(!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)) &&
(type != BNEP_FRAME_CONTROL))
{
BNEP_TRACE_WARNING2 ("BNEP - Ignored L2CAP data while in state: %d, CID: 0x%x",
p_bcb->con_state, l2cap_cid);
if (extension_present)
{
/*
** When there is no connection if a data packet is received
** with unknown control extension headers then those should be processed
** according to complain/ignore law
*/
UINT8 ext, length, *p_data;
UINT16 org_len, new_len;
/* parse the extension headers and process unknown control headers */
org_len = rem_len;
new_len = 0;
p_data = p;
do {
ext = *p++;
length = *p++;
p += length;
if ((!(ext & 0x7F)) && (*p > BNEP_FILTER_MULTI_ADDR_RESPONSE_MSG))
bnep_send_command_not_understood (p_bcb, *p);
new_len += (length + 2);
if (new_len > org_len)
break;
} while (ext & 0x80);
}
GKI_freebuf (p_buf);
return;
}
if (type > BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY)
{
BNEP_TRACE_EVENT1 ("BNEP - rcvd frame, unknown type: 0x%02x", type);
GKI_freebuf (p_buf);
return;
}
BNEP_TRACE_DEBUG3 ("BNEP - rcv frame, type: %d len: %d Ext: %d", type, p_buf->len, extension_present);
/* Initialize addresses to 'not supplied' */
p_src_addr = p_dst_addr = NULL;
switch (type)
{
case BNEP_FRAME_GENERAL_ETHERNET:
p_dst_addr = p;
p += BD_ADDR_LEN;
p_src_addr = p;
p += BD_ADDR_LEN;
BE_STREAM_TO_UINT16 (protocol, p);
rem_len -= 14;
break;
case BNEP_FRAME_CONTROL:
ctrl_type = *p;
p = bnep_process_control_packet (p_bcb, p, &rem_len, FALSE);
if (ctrl_type == BNEP_SETUP_CONNECTION_REQUEST_MSG &&
p_bcb->con_state != BNEP_STATE_CONNECTED &&
extension_present && p && rem_len)
{
p_bcb->p_pending_data = (BT_HDR *)GKI_getbuf (rem_len);
if (p_bcb->p_pending_data)
{
memcpy ((UINT8 *)(p_bcb->p_pending_data + 1), p, rem_len);
p_bcb->p_pending_data->len = rem_len;
p_bcb->p_pending_data->offset = 0;
}
}
else
{
while (extension_present && p && rem_len)
{
ext_type = *p++;
extension_present = ext_type >> 7;
ext_type &= 0x7F;
/* if unknown extension present stop processing */
if (ext_type)
break;
p = bnep_process_control_packet (p_bcb, p, &rem_len, TRUE);
}
}
GKI_freebuf (p_buf);
return;
case BNEP_FRAME_COMPRESSED_ETHERNET:
BE_STREAM_TO_UINT16 (protocol, p);
rem_len -= 2;
break;
case BNEP_FRAME_COMPRESSED_ETHERNET_SRC_ONLY:
p_src_addr = p;
p += BD_ADDR_LEN;
BE_STREAM_TO_UINT16 (protocol, p);
rem_len -= 8;
break;
case BNEP_FRAME_COMPRESSED_ETHERNET_DEST_ONLY:
p_dst_addr = p;
p += BD_ADDR_LEN;
BE_STREAM_TO_UINT16 (protocol, p);
rem_len -= 8;
break;
}
/* Process the header extension if there is one */
while (extension_present && p && rem_len)
{
ext_type = *p;
extension_present = ext_type >> 7;
ext_type &= 0x7F;
/* if unknown extension present stop processing */
if (ext_type)
{
BNEP_TRACE_EVENT1 ("Data extension type 0x%x found", ext_type);
break;
}
p++;
rem_len--;
p = bnep_process_control_packet (p_bcb, p, &rem_len, TRUE);
}
p_buf->offset += p_buf->len - rem_len;
p_buf->len = rem_len;
/* Always give the upper layer MAC addresses */
if (!p_src_addr)
p_src_addr = (UINT8 *) p_bcb->rem_bda;
if (!p_dst_addr)
p_dst_addr = (UINT8 *) bnep_cb.my_bda;
/* check whether there are any extensions to be forwarded */
if (ext_type)
fw_ext_present = TRUE;
else
fw_ext_present = FALSE;
if (bnep_cb.p_data_buf_cb)
{
(*bnep_cb.p_data_buf_cb)(p_bcb->handle, p_src_addr, p_dst_addr, protocol, p_buf, fw_ext_present);
}
else if (bnep_cb.p_data_ind_cb)
{
(*bnep_cb.p_data_ind_cb)(p_bcb->handle, p_src_addr, p_dst_addr, protocol, p, rem_len, fw_ext_present);
GKI_freebuf (p_buf);
}
}
/*******************************************************************************
**
** Function bnep_process_timeout
**
** Description This function processes a timeout. If it is a startup
** timeout, we check for reading our BD address. If it
** is an L2CAP timeout, we send a disconnect req to L2CAP.
**
** Returns void
**
*******************************************************************************/
void bnep_process_timeout (TIMER_LIST_ENT *p_tle)
{
tBNEP_CONN *p_bcb;
if (!p_tle->param)
{
if (!bnep_cb.got_my_bd_addr)
{
if (BTM_IsDeviceUp())
BTM_ReadLocalDeviceAddr (bnep_read_addr_cb);
btu_start_timer (&bnep_cb.bnep_tle, BTU_TTYPE_BNEP, 2);
}
return;
}
p_bcb = (tBNEP_CONN *)p_tle->param;
BNEP_TRACE_EVENT4 ("BNEP - CCB timeout in state: %d CID: 0x%x flags %x, re_transmit %d",
p_bcb->con_state, p_bcb->l2cap_cid, p_bcb->con_flags, p_bcb->re_transmits);
if (p_bcb->con_state == BNEP_STATE_CONN_SETUP)
{
BNEP_TRACE_EVENT2 ("BNEP - CCB timeout in state: %d CID: 0x%x",
p_bcb->con_state, p_bcb->l2cap_cid);
if (!(p_bcb->con_flags & BNEP_FLAGS_IS_ORIG))
{
L2CA_DisconnectReq (p_bcb->l2cap_cid);
bnepu_release_bcb (p_bcb);
return;
}
if (p_bcb->re_transmits++ != BNEP_MAX_RETRANSMITS)
{
bnep_send_conn_req (p_bcb);
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_CONN_TIMEOUT);
}
else
{
L2CA_DisconnectReq (p_bcb->l2cap_cid);
if ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb))
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_CONN_FAILED, FALSE);
bnepu_release_bcb (p_bcb);
return;
}
}
else if (p_bcb->con_state != BNEP_STATE_CONNECTED)
{
BNEP_TRACE_EVENT2 ("BNEP - CCB timeout in state: %d CID: 0x%x",
p_bcb->con_state, p_bcb->l2cap_cid);
L2CA_DisconnectReq (p_bcb->l2cap_cid);
/* Tell the user if he has a callback */
if ((p_bcb->con_flags & BNEP_FLAGS_IS_ORIG) && (bnep_cb.p_conn_state_cb))
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_CONN_FAILED, FALSE);
bnepu_release_bcb (p_bcb);
}
#if (defined (BNEP_SUPPORTS_PROT_FILTERS) && BNEP_SUPPORTS_PROT_FILTERS == TRUE)
else if (p_bcb->con_flags & BNEP_FLAGS_FILTER_RESP_PEND)
{
if (p_bcb->re_transmits++ != BNEP_MAX_RETRANSMITS)
{
bnepu_send_peer_our_filters (p_bcb);
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_FILTER_SET_TIMEOUT);
}
else
{
L2CA_DisconnectReq (p_bcb->l2cap_cid);
/* Tell the user if he has a callback */
if (bnep_cb.p_conn_state_cb)
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_SET_FILTER_FAIL, FALSE);
bnepu_release_bcb (p_bcb);
return;
}
}
#endif
#if (defined (BNEP_SUPPORTS_MULTI_FILTERS) && BNEP_SUPPORTS_MULTI_FILTERS == TRUE)
else if (p_bcb->con_flags & BNEP_FLAGS_MULTI_RESP_PEND)
{
if (p_bcb->re_transmits++ != BNEP_MAX_RETRANSMITS)
{
bnepu_send_peer_our_multi_filters (p_bcb);
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_FILTER_SET_TIMEOUT);
}
else
{
L2CA_DisconnectReq (p_bcb->l2cap_cid);
/* Tell the user if he has a callback */
if (bnep_cb.p_conn_state_cb)
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_SET_FILTER_FAIL, FALSE);
bnepu_release_bcb (p_bcb);
return;
}
}
#endif
}
/*******************************************************************************
**
** Function bnep_connected
**
** Description This function is called when a connection is established
** (after config).
**
** Returns void
**
*******************************************************************************/
void bnep_connected (tBNEP_CONN *p_bcb)
{
BOOLEAN is_role_change;
if (p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)
is_role_change = TRUE;
else
is_role_change = FALSE;
p_bcb->con_state = BNEP_STATE_CONNECTED;
p_bcb->con_flags |= BNEP_FLAGS_CONN_COMPLETED;
p_bcb->con_flags &= (~BNEP_FLAGS_SETUP_RCVD);
/* Ensure timer is stopped */
btu_stop_timer (&p_bcb->conn_tle);
p_bcb->re_transmits = 0;
/* Tell the upper layer, if he has a callback */
if (bnep_cb.p_conn_state_cb)
(*bnep_cb.p_conn_state_cb) (p_bcb->handle, p_bcb->rem_bda, BNEP_SUCCESS, is_role_change);
}
/*******************************************************************************
**
** Function bnep_read_addr_cb
**
** Description This function is called by BTM when the local BD address
** is read. It saves the BD address, and flags it as read.
**
** Returns void
**
*******************************************************************************/
static void bnep_read_addr_cb (void *p_bda)
{
UINT8 *bda = (UINT8 *)p_bda;
if (p_bda &&
(bda[0] | bda[1] | bda[2] | bda[3] | bda[4] | bda[5]) != 0)
{
/* Save my BD address */
memcpy (bnep_cb.my_bda, p_bda, BD_ADDR_LEN);
bnep_cb.got_my_bd_addr = TRUE;
}
else
/* Retry after a couple seconds */
btu_start_timer (&bnep_cb.bnep_tle, BTU_TTYPE_BNEP, 2);
}