blob: fbbf1799ace294513f68f452eff829a7c6bf4716 [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 BNEP API code
*
******************************************************************************/
#include <string.h>
#include "bnep_api.h"
#include "bnep_int.h"
/*******************************************************************************
**
** Function BNEP_Init
**
** Description This function initializes the BNEP unit. It should be called
** before accessing any other APIs to initialize the control block
**
** Returns void
**
*******************************************************************************/
void BNEP_Init (void)
{
memset (&bnep_cb, 0, sizeof (tBNEP_CB));
#if defined(BNEP_INITIAL_TRACE_LEVEL)
bnep_cb.trace_level = BNEP_INITIAL_TRACE_LEVEL;
#else
bnep_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */
#endif
/* Start a timer to read our BD address */
btu_start_timer (&bnep_cb.bnep_tle, BTU_TTYPE_BNEP, 2);
}
/*******************************************************************************
**
** Function BNEP_Register
**
** Description This function is called by the upper layer to register
** its callbacks with BNEP
**
** Parameters: p_reg_info - contains all callback function pointers
**
**
** Returns BNEP_SUCCESS if registered successfully
** BNEP_FAILURE if connection state callback is missing
**
*******************************************************************************/
tBNEP_RESULT BNEP_Register (tBNEP_REGISTER *p_reg_info)
{
/* There should be connection state call back registered */
if ((!p_reg_info) || (!(p_reg_info->p_conn_state_cb)))
return BNEP_SECURITY_FAIL;
bnep_cb.p_conn_ind_cb = p_reg_info->p_conn_ind_cb;
bnep_cb.p_conn_state_cb = p_reg_info->p_conn_state_cb;
bnep_cb.p_data_ind_cb = p_reg_info->p_data_ind_cb;
bnep_cb.p_data_buf_cb = p_reg_info->p_data_buf_cb;
bnep_cb.p_filter_ind_cb = p_reg_info->p_filter_ind_cb;
bnep_cb.p_mfilter_ind_cb = p_reg_info->p_mfilter_ind_cb;
bnep_cb.p_tx_data_flow_cb = p_reg_info->p_tx_data_flow_cb;
if (bnep_register_with_l2cap ())
return BNEP_SECURITY_FAIL;
bnep_cb.profile_registered = TRUE;
BTM_GetLocalDeviceAddr (bnep_cb.my_bda);
return BNEP_SUCCESS;
}
/*******************************************************************************
**
** Function BNEP_Deregister
**
** Description This function is called by the upper layer to de-register
** its callbacks.
**
** Parameters: void
**
**
** Returns void
**
*******************************************************************************/
void BNEP_Deregister (void)
{
/* Clear all the call backs registered */
bnep_cb.p_conn_ind_cb = NULL;
bnep_cb.p_conn_state_cb = NULL;
bnep_cb.p_data_ind_cb = NULL;
bnep_cb.p_data_buf_cb = NULL;
bnep_cb.p_filter_ind_cb = NULL;
bnep_cb.p_mfilter_ind_cb = NULL;
bnep_cb.profile_registered = FALSE;
L2CA_Deregister (BT_PSM_BNEP);
}
/*******************************************************************************
**
** Function BNEP_Connect
**
** Description This function creates a BNEP connection to a remote
** device.
**
** Parameters: p_rem_addr - BD_ADDR of the peer
** src_uuid - source uuid for the connection
** dst_uuid - destination uuid for the connection
** p_handle - pointer to return the handle for the connection
**
** Returns BNEP_SUCCESS if connection started
** BNEP_NO_RESOURCES if no resources
**
*******************************************************************************/
tBNEP_RESULT BNEP_Connect (BD_ADDR p_rem_bda,
tBT_UUID *src_uuid,
tBT_UUID *dst_uuid,
UINT16 *p_handle)
{
UINT16 cid;
tBNEP_CONN *p_bcb = bnepu_find_bcb_by_bd_addr (p_rem_bda);
BNEP_TRACE_API6 ("BNEP_Connect() BDA: %02x-%02x-%02x-%02x-%02x-%02x",
p_rem_bda[0], p_rem_bda[1], p_rem_bda[2],
p_rem_bda[3], p_rem_bda[4], p_rem_bda[5]);
if (!bnep_cb.profile_registered)
return BNEP_WRONG_STATE;
/* Both source and destination UUID lengths should be same */
if (src_uuid->len != dst_uuid->len)
return BNEP_CONN_FAILED_UUID_SIZE;
#if (!defined (BNEP_SUPPORTS_ALL_UUID_LENGTHS) || BNEP_SUPPORTS_ALL_UUID_LENGTHS == FALSE)
if (src_uuid->len != 2)
return BNEP_CONN_FAILED_UUID_SIZE;
#endif
if (!p_bcb)
{
if ((p_bcb = bnepu_allocate_bcb (p_rem_bda)) == NULL)
return (BNEP_NO_RESOURCES);
}
else if (p_bcb->con_state != BNEP_STATE_CONNECTED)
return BNEP_WRONG_STATE;
else
{
/* Backup current UUID values to restore if role change fails */
memcpy ((UINT8 *)&(p_bcb->prv_src_uuid), (UINT8 *)&(p_bcb->src_uuid), sizeof (tBT_UUID));
memcpy ((UINT8 *)&(p_bcb->prv_dst_uuid), (UINT8 *)&(p_bcb->dst_uuid), sizeof (tBT_UUID));
}
/* We are the originator of this connection */
p_bcb->con_flags |= BNEP_FLAGS_IS_ORIG;
memcpy ((UINT8 *)&(p_bcb->src_uuid), (UINT8 *)src_uuid, sizeof (tBT_UUID));
memcpy ((UINT8 *)&(p_bcb->dst_uuid), (UINT8 *)dst_uuid, sizeof (tBT_UUID));
if (p_bcb->con_state == BNEP_STATE_CONNECTED)
{
/* Transition to the next appropriate state, waiting for connection confirm. */
p_bcb->con_state = BNEP_STATE_SEC_CHECKING;
BNEP_TRACE_API1 ("BNEP initiating security procedures for src uuid 0x%x",
p_bcb->src_uuid.uu.uuid16);
#if (defined (BNEP_DO_AUTH_FOR_ROLE_SWITCH) && BNEP_DO_AUTH_FOR_ROLE_SWITCH == TRUE)
btm_sec_mx_access_request (p_bcb->rem_bda, BT_PSM_BNEP, TRUE,
BTM_SEC_PROTO_BNEP,
bnep_get_uuid32(src_uuid),
&bnep_sec_check_complete, p_bcb);
#else
bnep_sec_check_complete (p_bcb->rem_bda, p_bcb, BTM_SUCCESS);
#endif
}
else
{
/* Transition to the next appropriate state, waiting for connection confirm. */
p_bcb->con_state = BNEP_STATE_CONN_START;
if ((cid = L2CA_ConnectReq (BT_PSM_BNEP, p_bcb->rem_bda)) != 0)
{
p_bcb->l2cap_cid = cid;
}
else
{
BNEP_TRACE_ERROR0 ("BNEP - Originate failed");
if (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 BNEP_CONN_FAILED;
}
/* Start timer waiting for connect */
btu_start_timer (&p_bcb->conn_tle, BTU_TTYPE_BNEP, BNEP_CONN_TIMEOUT);
}
*p_handle = p_bcb->handle;
return (BNEP_SUCCESS);
}
/*******************************************************************************
**
** Function BNEP_ConnectResp
**
** Description This function is called in responce to connection indication
**
**
** Parameters: handle - handle given in the connection indication
** resp - responce for the connection indication
**
** Returns BNEP_SUCCESS if connection started
** BNEP_WRONG_HANDLE if the connection is not found
** BNEP_WRONG_STATE if the responce is not expected
**
*******************************************************************************/
tBNEP_RESULT BNEP_ConnectResp (UINT16 handle, tBNEP_RESULT resp)
{
tBNEP_CONN *p_bcb;
UINT16 resp_code = BNEP_SETUP_CONN_OK;
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
return (BNEP_WRONG_HANDLE);
p_bcb = &(bnep_cb.bcb[handle - 1]);
if (p_bcb->con_state != BNEP_STATE_CONN_SETUP ||
(!(p_bcb->con_flags & BNEP_FLAGS_SETUP_RCVD)))
return (BNEP_WRONG_STATE);
BNEP_TRACE_API2 ("BNEP_ConnectResp() for handle %d, responce %d", handle, resp);
/* Form appropriate responce based on profile responce */
if (resp == BNEP_CONN_FAILED_SRC_UUID) resp_code = BNEP_SETUP_INVALID_SRC_UUID;
else if (resp == BNEP_CONN_FAILED_DST_UUID) resp_code = BNEP_SETUP_INVALID_DEST_UUID;
else if (resp == BNEP_CONN_FAILED_UUID_SIZE) resp_code = BNEP_SETUP_INVALID_UUID_SIZE;
else if (resp == BNEP_SUCCESS) resp_code = BNEP_SETUP_CONN_OK;
else resp_code = BNEP_SETUP_CONN_NOT_ALLOWED;
bnep_send_conn_responce (p_bcb, resp_code);
p_bcb->con_flags &= (~BNEP_FLAGS_SETUP_RCVD);
if (resp == BNEP_SUCCESS)
bnep_connected (p_bcb);
else if (p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)
{
/* Restore the original parameters */
p_bcb->con_state = BNEP_STATE_CONNECTED;
p_bcb->con_flags &= (~BNEP_FLAGS_SETUP_RCVD);
memcpy ((UINT8 *)&(p_bcb->src_uuid), (UINT8 *)&(p_bcb->prv_src_uuid), sizeof (tBT_UUID));
memcpy ((UINT8 *)&(p_bcb->dst_uuid), (UINT8 *)&(p_bcb->prv_dst_uuid), sizeof (tBT_UUID));
}
/* Process remaining part of the setup message (extension headers) */
if (p_bcb->p_pending_data)
{
UINT8 extension_present = TRUE, *p, ext_type;
UINT16 rem_len;
rem_len = p_bcb->p_pending_data->len;
p = (UINT8 *)(p_bcb->p_pending_data + 1) + p_bcb->p_pending_data->offset;
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_bcb->p_pending_data);
p_bcb->p_pending_data = NULL;
}
return (BNEP_SUCCESS);
}
/*******************************************************************************
**
** Function BNEP_Disconnect
**
** Description This function is called to close the specified connection.
**
** Parameters: handle - handle of the connection
**
** Returns BNEP_SUCCESS if connection is disconnected
** BNEP_WRONG_HANDLE if no connection is not found
**
*******************************************************************************/
tBNEP_RESULT BNEP_Disconnect (UINT16 handle)
{
tBNEP_CONN *p_bcb;
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
return (BNEP_WRONG_HANDLE);
p_bcb = &(bnep_cb.bcb[handle - 1]);
if (p_bcb->con_state == BNEP_STATE_IDLE)
return (BNEP_WRONG_HANDLE);
BNEP_TRACE_API1 ("BNEP_Disconnect() for handle %d", handle);
L2CA_DisconnectReq (p_bcb->l2cap_cid);
bnepu_release_bcb (p_bcb);
return (BNEP_SUCCESS);
}
/*******************************************************************************
**
** Function BNEP_WriteBuf
**
** Description This function sends data in a GKI buffer on BNEP connection
**
** Parameters: handle - handle of the connection to write
** p_dest_addr - BD_ADDR/Ethernet addr of the destination
** p_buf - pointer to address of buffer with data
** protocol - protocol type of the packet
** p_src_addr - (optional) BD_ADDR/ethernet address of the source
** (should be NULL if it is local BD Addr)
** fw_ext_present - forwarded extensions present
**
** Returns: BNEP_WRONG_HANDLE - if passed handle is not valid
** BNEP_MTU_EXCEDED - If the data length is greater than MTU
** BNEP_IGNORE_CMD - If the packet is filtered out
** BNEP_Q_SIZE_EXCEEDED - If the Tx Q is full
** BNEP_SUCCESS - If written successfully
**
*******************************************************************************/
tBNEP_RESULT BNEP_WriteBuf (UINT16 handle,
UINT8 *p_dest_addr,
BT_HDR *p_buf,
UINT16 protocol,
UINT8 *p_src_addr,
BOOLEAN fw_ext_present)
{
tBNEP_CONN *p_bcb;
UINT8 *p_data;
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
{
GKI_freebuf (p_buf);
return (BNEP_WRONG_HANDLE);
}
p_bcb = &(bnep_cb.bcb[handle - 1]);
/* Check MTU size */
if (p_buf->len > BNEP_MTU_SIZE)
{
BNEP_TRACE_ERROR2 ("BNEP_Write() length %d exceeded MTU %d", p_buf->len, BNEP_MTU_SIZE);
GKI_freebuf (p_buf);
return (BNEP_MTU_EXCEDED);
}
/* Check if the packet should be filtered out */
p_data = (UINT8 *)(p_buf + 1) + p_buf->offset;
if (bnep_is_packet_allowed (p_bcb, p_dest_addr, protocol, fw_ext_present, p_data) != BNEP_SUCCESS)
{
/*
** If packet is filtered and ext headers are present
** drop the data and forward the ext headers
*/
if (fw_ext_present)
{
UINT8 ext, length;
UINT16 org_len, new_len;
/* parse the extension headers and findout the new packet len */
org_len = p_buf->len;
new_len = 0;
do {
ext = *p_data++;
length = *p_data++;
p_data += length;
new_len += (length + 2);
if (new_len > org_len)
{
GKI_freebuf (p_buf);
return BNEP_IGNORE_CMD;
}
} while (ext & 0x80);
if (protocol != BNEP_802_1_P_PROTOCOL)
protocol = 0;
else
{
new_len += 4;
p_data[2] = 0;
p_data[3] = 0;
}
p_buf->len = new_len;
}
else
{
GKI_freebuf (p_buf);
return BNEP_IGNORE_CMD;
}
}
/* Check transmit queue */
if (p_bcb->xmit_q.count >= BNEP_MAX_XMITQ_DEPTH)
{
GKI_freebuf (p_buf);
return (BNEP_Q_SIZE_EXCEEDED);
}
/* Build the BNEP header */
bnepu_build_bnep_hdr (p_bcb, p_buf, protocol, p_src_addr, p_dest_addr, fw_ext_present);
/* Send the data or queue it up */
bnepu_check_send_packet (p_bcb, p_buf);
return (BNEP_SUCCESS);
}
/*******************************************************************************
**
** Function BNEP_Write
**
** Description This function sends data over a BNEP connection
**
** Parameters: handle - handle of the connection to write
** p_dest_addr - BD_ADDR/Ethernet addr of the destination
** p_data - pointer to data start
** protocol - protocol type of the packet
** p_src_addr - (optional) BD_ADDR/ethernet address of the source
** (should be NULL if it is local BD Addr)
** fw_ext_present - forwarded extensions present
**
** Returns: BNEP_WRONG_HANDLE - if passed handle is not valid
** BNEP_MTU_EXCEDED - If the data length is greater than MTU
** BNEP_IGNORE_CMD - If the packet is filtered out
** BNEP_Q_SIZE_EXCEEDED - If the Tx Q is full
** BNEP_NO_RESOURCES - If not able to allocate a buffer
** BNEP_SUCCESS - If written successfully
**
*******************************************************************************/
tBNEP_RESULT BNEP_Write (UINT16 handle,
UINT8 *p_dest_addr,
UINT8 *p_data,
UINT16 len,
UINT16 protocol,
UINT8 *p_src_addr,
BOOLEAN fw_ext_present)
{
BT_HDR *p_buf;
tBNEP_CONN *p_bcb;
UINT8 *p;
/* Check MTU size. Consider the possibility of having extension headers */
if (len > BNEP_MTU_SIZE)
{
BNEP_TRACE_ERROR2 ("BNEP_Write() length %d exceeded MTU %d", len, BNEP_MTU_SIZE);
return (BNEP_MTU_EXCEDED);
}
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
return (BNEP_WRONG_HANDLE);
p_bcb = &(bnep_cb.bcb[handle - 1]);
/* Check if the packet should be filtered out */
if (bnep_is_packet_allowed (p_bcb, p_dest_addr, protocol, fw_ext_present, p_data) != BNEP_SUCCESS)
{
/*
** If packet is filtered and ext headers are present
** drop the data and forward the ext headers
*/
if (fw_ext_present)
{
UINT8 ext, length;
UINT16 org_len, new_len;
/* parse the extension headers and findout the new packet len */
org_len = len;
new_len = 0;
p = p_data;
do {
ext = *p_data++;
length = *p_data++;
p_data += length;
new_len += (length + 2);
if (new_len > org_len)
return BNEP_IGNORE_CMD;
} while (ext & 0x80);
if (protocol != BNEP_802_1_P_PROTOCOL)
protocol = 0;
else
{
new_len += 4;
p_data[2] = 0;
p_data[3] = 0;
}
len = new_len;
p_data = p;
}
else
return BNEP_IGNORE_CMD;
}
/* Check transmit queue */
if (p_bcb->xmit_q.count >= BNEP_MAX_XMITQ_DEPTH)
return (BNEP_Q_SIZE_EXCEEDED);
/* Get a buffer to copy teh data into */
if ((p_buf = (BT_HDR *)GKI_getpoolbuf (BNEP_POOL_ID)) == NULL)
{
BNEP_TRACE_ERROR0 ("BNEP_Write() not able to get buffer");
return (BNEP_NO_RESOURCES);
}
p_buf->len = len;
p_buf->offset = BNEP_MINIMUM_OFFSET;
p = (UINT8 *)(p_buf + 1) + BNEP_MINIMUM_OFFSET;
memcpy (p, p_data, len);
/* Build the BNEP header */
bnepu_build_bnep_hdr (p_bcb, p_buf, protocol, p_src_addr, p_dest_addr, fw_ext_present);
/* Send the data or queue it up */
bnepu_check_send_packet (p_bcb, p_buf);
return (BNEP_SUCCESS);
}
/*******************************************************************************
**
** Function BNEP_SetProtocolFilters
**
** Description This function sets the protocol filters on peer device
**
** Parameters: handle - Handle for the connection
** num_filters - total number of filter ranges
** p_start_array - Array of beginings of all protocol ranges
** p_end_array - Array of ends of all protocol ranges
**
** Returns BNEP_WRONG_HANDLE - if the connection handle is not valid
** BNEP_SET_FILTER_FAIL - if the connection is in wrong state
** BNEP_TOO_MANY_FILTERS - if too many filters
** BNEP_SUCCESS - if request sent successfully
**
*******************************************************************************/
tBNEP_RESULT BNEP_SetProtocolFilters (UINT16 handle,
UINT16 num_filters,
UINT16 *p_start_array,
UINT16 *p_end_array)
{
#if (defined (BNEP_SUPPORTS_PROT_FILTERS) && BNEP_SUPPORTS_PROT_FILTERS == TRUE)
UINT16 xx;
tBNEP_CONN *p_bcb;
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
return (BNEP_WRONG_HANDLE);
p_bcb = &(bnep_cb.bcb[handle - 1]);
/* Check the connection state */
if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
(!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
return (BNEP_WRONG_STATE);
/* Validate the parameters */
if (num_filters && (!p_start_array || !p_end_array))
return (BNEP_SET_FILTER_FAIL);
if (num_filters > BNEP_MAX_PROT_FILTERS)
return (BNEP_TOO_MANY_FILTERS);
/* Fill the filter values in connnection block */
for (xx = 0; xx < num_filters; xx++)
{
p_bcb->sent_prot_filter_start[xx] = *p_start_array++;
p_bcb->sent_prot_filter_end[xx] = *p_end_array++;
}
p_bcb->sent_num_filters = num_filters;
bnepu_send_peer_our_filters (p_bcb);
return (BNEP_SUCCESS);
#else
return (BNEP_SET_FILTER_FAIL);
#endif
}
/*******************************************************************************
**
** Function BNEP_SetMulticastFilters
**
** Description This function sets the filters for multicast addresses for BNEP.
**
** Parameters: handle - Handle for the connection
** num_filters - total number of filter ranges
** p_start_array - Pointer to sequence of beginings of all
** multicast address ranges
** p_end_array - Pointer to sequence of ends of all
** multicast address ranges
**
** Returns BNEP_WRONG_HANDLE - if the connection handle is not valid
** BNEP_SET_FILTER_FAIL - if the connection is in wrong state
** BNEP_TOO_MANY_FILTERS - if too many filters
** BNEP_SUCCESS - if request sent successfully
**
*******************************************************************************/
tBNEP_RESULT BNEP_SetMulticastFilters (UINT16 handle,
UINT16 num_filters,
UINT8 *p_start_array,
UINT8 *p_end_array)
{
#if (defined (BNEP_SUPPORTS_MULTI_FILTERS) && BNEP_SUPPORTS_MULTI_FILTERS == TRUE)
UINT16 xx;
tBNEP_CONN *p_bcb;
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
return (BNEP_WRONG_HANDLE);
p_bcb = &(bnep_cb.bcb[handle - 1]);
/* Check the connection state */
if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
(!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
return (BNEP_WRONG_STATE);
/* Validate the parameters */
if (num_filters && (!p_start_array || !p_end_array))
return (BNEP_SET_FILTER_FAIL);
if (num_filters > BNEP_MAX_MULTI_FILTERS)
return (BNEP_TOO_MANY_FILTERS);
/* Fill the multicast filter values in connnection block */
for (xx = 0; xx < num_filters; xx++)
{
memcpy (p_bcb->sent_mcast_filter_start[xx], p_start_array, BD_ADDR_LEN);
memcpy (p_bcb->sent_mcast_filter_end[xx], p_end_array, BD_ADDR_LEN);
p_start_array += BD_ADDR_LEN;
p_end_array += BD_ADDR_LEN;
}
p_bcb->sent_mcast_filters = num_filters;
bnepu_send_peer_our_multi_filters (p_bcb);
return (BNEP_SUCCESS);
#else
return (BNEP_SET_FILTER_FAIL);
#endif
}
/*******************************************************************************
**
** Function BNEP_GetMyBdAddr
**
** Description This function returns a pointer to the local device BD address.
** If the BD address has not been read yet, it returns NULL.
**
** Returns the BD address
**
*******************************************************************************/
UINT8 *BNEP_GetMyBdAddr (void)
{
if (bnep_cb.got_my_bd_addr)
return (bnep_cb.my_bda);
else
return (NULL);
}
/*******************************************************************************
**
** Function BNEP_SetTraceLevel
**
** Description This function sets the trace level for BNEP. If called with
** a value of 0xFF, it simply reads the current trace level.
**
** Returns the new (current) trace level
**
*******************************************************************************/
UINT8 BNEP_SetTraceLevel (UINT8 new_level)
{
if (new_level != 0xFF)
bnep_cb.trace_level = new_level;
return (bnep_cb.trace_level);
}
/*******************************************************************************
**
** Function BNEP_GetStatus
**
** Description This function gets the status information for BNEP connection
**
** Returns BNEP_SUCCESS - if the status is available
** BNEP_NO_RESOURCES - if no structure is passed for output
** BNEP_WRONG_HANDLE - if the handle is invalid
** BNEP_WRONG_STATE - if not in connected state
**
*******************************************************************************/
tBNEP_RESULT BNEP_GetStatus (UINT16 handle, tBNEP_STATUS *p_status)
{
#if (defined (BNEP_SUPPORTS_STATUS_API) && BNEP_SUPPORTS_STATUS_API == TRUE)
tBNEP_CONN *p_bcb;
if (!p_status)
return BNEP_NO_RESOURCES;
if ((!handle) || (handle > BNEP_MAX_CONNECTIONS))
return (BNEP_WRONG_HANDLE);
p_bcb = &(bnep_cb.bcb[handle - 1]);
memset (p_status, 0, sizeof (tBNEP_STATUS));
if ((p_bcb->con_state != BNEP_STATE_CONNECTED) &&
(!(p_bcb->con_flags & BNEP_FLAGS_CONN_COMPLETED)))
return BNEP_WRONG_STATE;
/* Read the status parameters from the connection control block */
p_status->con_status = BNEP_STATUS_CONNECTED;
p_status->l2cap_cid = p_bcb->l2cap_cid;
p_status->rem_mtu_size = p_bcb->rem_mtu_size;
p_status->xmit_q_depth = p_bcb->xmit_q.count;
p_status->sent_num_filters = p_bcb->sent_num_filters;
p_status->sent_mcast_filters = p_bcb->sent_mcast_filters;
p_status->rcvd_num_filters = p_bcb->rcvd_num_filters;
p_status->rcvd_mcast_filters = p_bcb->rcvd_mcast_filters;
memcpy (p_status->rem_bda, p_bcb->rem_bda, BD_ADDR_LEN);
memcpy (&(p_status->src_uuid), &(p_bcb->src_uuid), sizeof (tBT_UUID));
memcpy (&(p_status->dst_uuid), &(p_bcb->dst_uuid), sizeof (tBT_UUID));
return BNEP_SUCCESS;
#else
return (BNEP_IGNORE_CMD);
#endif
}