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PL286/system/bt/stack/pan/pan_main.cc

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/******************************************************************************
*
* 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.
*
******************************************************************************/
/******************************************************************************
*
* This file contains main functions to support PAN profile
* commands and events.
*
******************************************************************************/
#include <string.h>
#include "bnep_api.h"
#include "bt_common.h"
#include "bt_types.h"
#include "bt_utils.h"
#include "hcidefs.h"
#include "l2c_api.h"
#include "osi/include/osi.h"
#include "pan_api.h"
#include "pan_int.h"
#include "sdp_api.h"
#include "sdpdefs.h"
tPAN_CB pan_cb;
#define UUID_CONSTANT_PART 12
uint8_t constant_pan_uuid[UUID_CONSTANT_PART] = {
0, 0, 0x10, 0, 0x80, 0x00, 0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb};
/*******************************************************************************
*
* Function pan_register_with_bnep
*
* Description This function registers PAN profile with BNEP
*
* Parameters: none
*
* Returns none
*
******************************************************************************/
void pan_register_with_bnep(void) {
tBNEP_REGISTER reg_info;
memset(&reg_info, 0, sizeof(tBNEP_REGISTER));
reg_info.p_conn_ind_cb = pan_conn_ind_cb;
reg_info.p_conn_state_cb = pan_connect_state_cb;
reg_info.p_data_buf_cb = pan_data_buf_ind_cb;
reg_info.p_data_ind_cb = NULL;
reg_info.p_tx_data_flow_cb = pan_tx_data_flow_cb;
reg_info.p_filter_ind_cb = pan_proto_filt_ind_cb;
reg_info.p_mfilter_ind_cb = pan_mcast_filt_ind_cb;
BNEP_Register(&reg_info);
}
/*******************************************************************************
*
* Function pan_conn_ind_cb
*
* Description This function is registered with BNEP as connection
* indication callback. BNEP will call this when there is
* connection request from the peer. PAN should call
* BNEP_ConnectResp to indicate whether to accept the
* connection or reject
*
* Parameters: handle - handle for the connection
* p_bda - BD Addr of the peer requesting the connection
* remote_uuid - UUID of the source role (peer device role)
* local_uuid - UUID of the destination role (local device
* role)
* is_role_change - Flag to indicate that it is a role change
*
* Returns none
*
******************************************************************************/
void pan_conn_ind_cb(uint16_t handle, const RawAddress& p_bda,
tBT_UUID* remote_uuid, tBT_UUID* local_uuid,
bool is_role_change) {
tPAN_CONN* pcb;
uint8_t req_role;
bool wrong_uuid;
/*
** If we are in GN or NAP role and have one or more
** active connections and the received connection is
** for user role reject it.
** If we are in user role with one connection active
** reject the connection.
** Allocate PCB and store the parameters
** Make bridge request to the host system if connection
** is for NAP
*/
wrong_uuid = false;
if (remote_uuid->len == 16) {
/*
** If the UUID is 16 bytes forst two bytes should be zeros
** and last 12 bytes should match the spec defined constant value
*/
if (memcmp(constant_pan_uuid, remote_uuid->uu.uuid128 + 4,
UUID_CONSTANT_PART))
wrong_uuid = true;
if (remote_uuid->uu.uuid128[0] || remote_uuid->uu.uuid128[1])
wrong_uuid = true;
/* Extract the 16 bit equivalent of the UUID */
remote_uuid->uu.uuid16 = (uint16_t)((remote_uuid->uu.uuid128[2] << 8) |
remote_uuid->uu.uuid128[3]);
remote_uuid->len = 2;
}
if (remote_uuid->len == 4) {
/* First two bytes should be zeros */
if (remote_uuid->uu.uuid32 & 0xFFFF0000) wrong_uuid = true;
remote_uuid->uu.uuid16 = (uint16_t)remote_uuid->uu.uuid32;
remote_uuid->len = 2;
}
if (wrong_uuid) {
PAN_TRACE_ERROR("PAN Connection failed because of wrong remote UUID ");
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_SRC_UUID);
return;
}
wrong_uuid = false;
if (local_uuid->len == 16) {
/*
** If the UUID is 16 bytes forst two bytes should be zeros
** and last 12 bytes should match the spec defined constant value
*/
if (memcmp(constant_pan_uuid, local_uuid->uu.uuid128 + 4,
UUID_CONSTANT_PART))
wrong_uuid = true;
if (local_uuid->uu.uuid128[0] || local_uuid->uu.uuid128[1])
wrong_uuid = true;
/* Extract the 16 bit equivalent of the UUID */
local_uuid->uu.uuid16 = (uint16_t)((local_uuid->uu.uuid128[2] << 8) |
local_uuid->uu.uuid128[3]);
local_uuid->len = 2;
}
if (local_uuid->len == 4) {
/* First two bytes should be zeros */
if (local_uuid->uu.uuid32 & 0xFFFF0000) wrong_uuid = true;
local_uuid->uu.uuid16 = (uint16_t)local_uuid->uu.uuid32;
local_uuid->len = 2;
}
if (wrong_uuid) {
PAN_TRACE_ERROR("PAN Connection failed because of wrong local UUID ");
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_DST_UUID);
return;
}
PAN_TRACE_EVENT(
"pan_conn_ind_cb - for handle %d, current role %d, dst uuid 0x%x, src "
"uuid 0x%x, role change %s",
handle, pan_cb.role, local_uuid->uu.uuid16, remote_uuid->uu.uuid16,
is_role_change ? "YES" : "NO");
/* The acceptable UUID size is only 2 */
if (remote_uuid->len != 2) {
PAN_TRACE_ERROR("PAN Connection failed because of wrong UUID size %d",
remote_uuid->len);
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_UUID_SIZE);
return;
}
/* Check if the source UUID is a valid one */
if (remote_uuid->uu.uuid16 != UUID_SERVCLASS_PANU &&
remote_uuid->uu.uuid16 != UUID_SERVCLASS_NAP &&
remote_uuid->uu.uuid16 != UUID_SERVCLASS_GN) {
PAN_TRACE_ERROR("Src UUID 0x%x is not valid", remote_uuid->uu.uuid16);
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_SRC_UUID);
return;
}
/* Check if the destination UUID is a valid one */
if (local_uuid->uu.uuid16 != UUID_SERVCLASS_PANU &&
local_uuid->uu.uuid16 != UUID_SERVCLASS_NAP &&
local_uuid->uu.uuid16 != UUID_SERVCLASS_GN) {
PAN_TRACE_ERROR("Dst UUID 0x%x is not valid", remote_uuid->uu.uuid16);
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_DST_UUID);
return;
}
/* Check if currently we support the destination role requested */
if (((!(pan_cb.role & UUID_SERVCLASS_PANU)) &&
local_uuid->uu.uuid16 == UUID_SERVCLASS_PANU) ||
((!(pan_cb.role & UUID_SERVCLASS_GN)) &&
local_uuid->uu.uuid16 == UUID_SERVCLASS_GN) ||
((!(pan_cb.role & UUID_SERVCLASS_NAP)) &&
local_uuid->uu.uuid16 == UUID_SERVCLASS_NAP)) {
PAN_TRACE_ERROR(
"PAN Connection failed because of unsupported destination UUID 0x%x",
local_uuid->uu.uuid16);
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_DST_UUID);
return;
}
/* Check for valid interactions between the three PAN profile roles */
/*
* For reference, see Table 1 in PAN Profile v1.0 spec.
* Note: the remote is the initiator.
*/
bool is_valid_interaction = false;
switch (remote_uuid->uu.uuid16) {
case UUID_SERVCLASS_NAP:
case UUID_SERVCLASS_GN:
if (local_uuid->uu.uuid16 == UUID_SERVCLASS_PANU)
is_valid_interaction = true;
break;
case UUID_SERVCLASS_PANU:
is_valid_interaction = true;
break;
}
/*
* Explicitly disable connections to the local PANU if the remote is
* not PANU.
*/
if ((local_uuid->uu.uuid16 == UUID_SERVCLASS_PANU) &&
(remote_uuid->uu.uuid16 != UUID_SERVCLASS_PANU)) {
is_valid_interaction = false;
}
if (!is_valid_interaction) {
PAN_TRACE_ERROR(
"PAN Connection failed because of invalid PAN profile roles "
"interaction: Remote UUID 0x%x Local UUID 0x%x",
remote_uuid->uu.uuid16, local_uuid->uu.uuid16);
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_SRC_UUID);
return;
}
/* Requested destination role is */
if (local_uuid->uu.uuid16 == UUID_SERVCLASS_PANU)
req_role = PAN_ROLE_CLIENT;
else if (local_uuid->uu.uuid16 == UUID_SERVCLASS_GN)
req_role = PAN_ROLE_GN_SERVER;
else
req_role = PAN_ROLE_NAP_SERVER;
/* If the connection indication is for the existing connection
** Check if the new destination role is acceptable
*/
pcb = pan_get_pcb_by_handle(handle);
if (pcb) {
if (pan_cb.num_conns > 1 && local_uuid->uu.uuid16 == UUID_SERVCLASS_PANU) {
/* There are connections other than this one
** so we cann't accept PANU role. Reject
*/
PAN_TRACE_ERROR(
"Dst UUID should be either GN or NAP only because there are other "
"connections");
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_DST_UUID);
return;
}
/* If it is already in connected state check for bridging status */
if (pcb->con_state == PAN_STATE_CONNECTED) {
PAN_TRACE_EVENT("PAN Role changing New Src 0x%x Dst 0x%x",
remote_uuid->uu.uuid16, local_uuid->uu.uuid16);
pcb->prv_src_uuid = pcb->src_uuid;
pcb->prv_dst_uuid = pcb->dst_uuid;
if (pcb->src_uuid == UUID_SERVCLASS_NAP &&
local_uuid->uu.uuid16 != UUID_SERVCLASS_NAP) {
/* Remove bridging */
if (pan_cb.pan_bridge_req_cb)
(*pan_cb.pan_bridge_req_cb)(pcb->rem_bda, false);
}
}
/* Set the latest active PAN role */
pan_cb.active_role = req_role;
pcb->src_uuid = local_uuid->uu.uuid16;
pcb->dst_uuid = remote_uuid->uu.uuid16;
BNEP_ConnectResp(handle, BNEP_SUCCESS);
return;
} else {
/* If this a new connection and destination is PANU role and
** we already have a connection then reject the request.
** If we have a connection in PANU role then reject it
*/
if (pan_cb.num_conns && (local_uuid->uu.uuid16 == UUID_SERVCLASS_PANU ||
pan_cb.active_role == PAN_ROLE_CLIENT)) {
PAN_TRACE_ERROR("PAN already have a connection and can't be user");
BNEP_ConnectResp(handle, BNEP_CONN_FAILED_DST_UUID);
return;
}
}
/* This is a new connection */
PAN_TRACE_DEBUG("New connection indication for handle %d", handle);
pcb = pan_allocate_pcb(p_bda, handle);
if (!pcb) {
PAN_TRACE_ERROR("PAN no control block for new connection");
BNEP_ConnectResp(handle, BNEP_CONN_FAILED);
return;
}
PAN_TRACE_EVENT("PAN connection destination UUID is 0x%x",
local_uuid->uu.uuid16);
/* Set the latest active PAN role */
pan_cb.active_role = req_role;
pcb->src_uuid = local_uuid->uu.uuid16;
pcb->dst_uuid = remote_uuid->uu.uuid16;
pcb->con_state = PAN_STATE_CONN_START;
pan_cb.num_conns++;
BNEP_ConnectResp(handle, BNEP_SUCCESS);
return;
}
/*******************************************************************************
*
* Function pan_connect_state_cb
*
* Description This function is registered with BNEP as connection state
* change callback. BNEP will call this when the connection
* is established successfully or terminated
*
* Parameters: handle - handle for the connection given in the connection
* indication callback
* rem_bda - remote device bd addr
* result - indicates whether the connection is up or down
* BNEP_SUCCESS if the connection is up all other
* values indicate appropriate errors.
* is_role_change - flag to indicate that it is a role change
*
* Returns none
*
******************************************************************************/
void pan_connect_state_cb(uint16_t handle,
UNUSED_ATTR const RawAddress& rem_bda,
tBNEP_RESULT result, bool is_role_change) {
tPAN_CONN* pcb;
uint8_t peer_role;
PAN_TRACE_EVENT("pan_connect_state_cb - for handle %d, result %d", handle,
result);
pcb = pan_get_pcb_by_handle(handle);
if (!pcb) {
PAN_TRACE_ERROR("PAN State change indication for wrong handle %d", handle);
return;
}
/* If the connection is getting terminated remove bridging */
if (result != BNEP_SUCCESS) {
/* Inform the application that connection is down */
if (pan_cb.pan_conn_state_cb)
(*pan_cb.pan_conn_state_cb)(pcb->handle, pcb->rem_bda, result,
is_role_change, PAN_ROLE_INACTIVE,
PAN_ROLE_INACTIVE);
/* Check if this failure is for role change only */
if (pcb->con_state != PAN_STATE_CONNECTED &&
(pcb->con_flags & PAN_FLAGS_CONN_COMPLETED)) {
/* restore the original values */
PAN_TRACE_EVENT("restoring the connection state to active");
pcb->con_state = PAN_STATE_CONNECTED;
pcb->con_flags &= (~PAN_FLAGS_CONN_COMPLETED);
pcb->src_uuid = pcb->prv_src_uuid;
pcb->dst_uuid = pcb->prv_dst_uuid;
pan_cb.active_role = pan_cb.prv_active_role;
if ((pcb->src_uuid == UUID_SERVCLASS_NAP) && pan_cb.pan_bridge_req_cb)
(*pan_cb.pan_bridge_req_cb)(pcb->rem_bda, true);
return;
}
if (pcb->con_state == PAN_STATE_CONNECTED) {
/* If the connections destination role is NAP remove bridging */
if ((pcb->src_uuid == UUID_SERVCLASS_NAP) && pan_cb.pan_bridge_req_cb)
(*pan_cb.pan_bridge_req_cb)(pcb->rem_bda, false);
}
pan_cb.num_conns--;
pan_release_pcb(pcb);
return;
}
/* Requested destination role is */
if (pcb->src_uuid == UUID_SERVCLASS_PANU)
pan_cb.active_role = PAN_ROLE_CLIENT;
else if (pcb->src_uuid == UUID_SERVCLASS_GN)
pan_cb.active_role = PAN_ROLE_GN_SERVER;
else
pan_cb.active_role = PAN_ROLE_NAP_SERVER;
if (pcb->dst_uuid == UUID_SERVCLASS_PANU)
peer_role = PAN_ROLE_CLIENT;
else if (pcb->dst_uuid == UUID_SERVCLASS_GN)
peer_role = PAN_ROLE_GN_SERVER;
else
peer_role = PAN_ROLE_NAP_SERVER;
pcb->con_state = PAN_STATE_CONNECTED;
/* Inform the application that connection is down */
if (pan_cb.pan_conn_state_cb)
(*pan_cb.pan_conn_state_cb)(pcb->handle, pcb->rem_bda, PAN_SUCCESS,
is_role_change, pan_cb.active_role, peer_role);
/* Create bridge if the destination role is NAP */
if (pan_cb.pan_bridge_req_cb && pcb->src_uuid == UUID_SERVCLASS_NAP) {
PAN_TRACE_EVENT("PAN requesting for bridge");
(*pan_cb.pan_bridge_req_cb)(pcb->rem_bda, true);
}
}
/*******************************************************************************
*
* Function pan_data_ind_cb
*
* Description This function is registered with BNEP as data indication
* callback. BNEP will call this when the peer sends any data
* on this connection
*
* Parameters: handle - handle for the connection
* src - source BD Addr
* dst - destination BD Addr
* protocol - Network protocol of the Eth packet
* p_data - pointer to the data
* len - length of the data
* fw_ext_present - to indicate whether the data contains any
* extension headers before the payload
*
* Returns none
*
******************************************************************************/
void pan_data_ind_cb(uint16_t handle, const RawAddress& src,
const RawAddress& dst, uint16_t protocol, uint8_t* p_data,
uint16_t len, bool ext) {
tPAN_CONN* pcb;
uint16_t i;
bool forward;
/*
** Check the connection status
** If the destination address is MAC broadcast send on all links
** except on the one received
** If the destination uuid is for NAP send to host system also
** If the destination address is one of the devices connected
** send the packet to over that link
** If the destination address is unknown and destination uuid is NAP
** send it to the host system
*/
PAN_TRACE_EVENT("pan_data_ind_cb - for handle %d", handle);
pcb = pan_get_pcb_by_handle(handle);
if (!pcb) {
PAN_TRACE_ERROR("PAN Data indication for wrong handle %d", handle);
return;
}
if (pcb->con_state != PAN_STATE_CONNECTED) {
PAN_TRACE_ERROR("PAN Data indication in wrong state %d for handle %d",
pcb->con_state, handle);
return;
}
/* Check if it is broadcast packet */
if (dst.address[0] & 0x01) {
PAN_TRACE_DEBUG("PAN received broadcast packet on handle %d, src uuid 0x%x",
handle, pcb->src_uuid);
for (i = 0; i < MAX_PAN_CONNS; i++) {
if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED &&
pan_cb.pcb[i].handle != handle &&
pcb->src_uuid == pan_cb.pcb[i].src_uuid) {
BNEP_Write(pan_cb.pcb[i].handle, dst, p_data, len, protocol, &src, ext);
}
}
if (pan_cb.pan_data_ind_cb)
(*pan_cb.pan_data_ind_cb)(pcb->handle, src, dst, protocol, p_data, len,
ext, true);
return;
}
/* Check if it is for any other PAN connection */
for (i = 0; i < MAX_PAN_CONNS; i++) {
if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED &&
pcb->src_uuid == pan_cb.pcb[i].src_uuid) {
if (pan_cb.pcb[i].rem_bda == dst) {
BNEP_Write(pan_cb.pcb[i].handle, dst, p_data, len, protocol, &src, ext);
return;
}
}
}
if (pcb->src_uuid == UUID_SERVCLASS_NAP)
forward = true;
else
forward = false;
/* Send it over the LAN or give it to host software */
if (pan_cb.pan_data_ind_cb)
(*pan_cb.pan_data_ind_cb)(pcb->handle, src, dst, protocol, p_data, len, ext,
forward);
return;
}
/*******************************************************************************
*
* Function pan_data_buf_ind_cb
*
* Description This function is registered with BNEP as data buffer
* indication callback. BNEP will call this when the peer sends
* any data on this connection. PAN is responsible to release
* the buffer
*
* Parameters: handle - handle for the connection
* src - source BD Addr
* dst - destination BD Addr
* protocol - Network protocol of the Eth packet
* p_buf - pointer to the data buffer
* ext - to indicate whether the data contains any
* extension headers before the payload
*
* Returns none
*
******************************************************************************/
void pan_data_buf_ind_cb(uint16_t handle, const RawAddress& src,
const RawAddress& dst, uint16_t protocol,
BT_HDR* p_buf, bool ext) {
tPAN_CONN *pcb, *dst_pcb;
tBNEP_RESULT result;
uint16_t i, len;
uint8_t* p_data;
bool forward = false;
/* Check if the connection is in right state */
pcb = pan_get_pcb_by_handle(handle);
if (!pcb) {
PAN_TRACE_ERROR("PAN Data buffer indication for wrong handle %d", handle);
osi_free(p_buf);
return;
}
if (pcb->con_state != PAN_STATE_CONNECTED) {
PAN_TRACE_ERROR("PAN Data indication in wrong state %d for handle %d",
pcb->con_state, handle);
osi_free(p_buf);
return;
}
p_data = (uint8_t*)(p_buf + 1) + p_buf->offset;
len = p_buf->len;
PAN_TRACE_EVENT(
"pan_data_buf_ind_cb - for handle %d, protocol 0x%x, length %d, ext %d",
handle, protocol, len, ext);
if (pcb->src_uuid == UUID_SERVCLASS_NAP)
forward = true;
else
forward = false;
/* Check if it is broadcast or multicast packet */
if (pcb->src_uuid != UUID_SERVCLASS_PANU) {
if (dst.address[0] & 0x01) {
PAN_TRACE_DEBUG(
"PAN received broadcast packet on handle %d, src uuid 0x%x", handle,
pcb->src_uuid);
for (i = 0; i < MAX_PAN_CONNS; i++) {
if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED &&
pan_cb.pcb[i].handle != handle &&
pcb->src_uuid == pan_cb.pcb[i].src_uuid) {
BNEP_Write(pan_cb.pcb[i].handle, dst, p_data, len, protocol, &src,
ext);
}
}
if (pan_cb.pan_data_buf_ind_cb)
(*pan_cb.pan_data_buf_ind_cb)(pcb->handle, src, dst, protocol, p_buf,
ext, forward);
else if (pan_cb.pan_data_ind_cb)
(*pan_cb.pan_data_ind_cb)(pcb->handle, src, dst, protocol, p_data, len,
ext, forward);
osi_free(p_buf);
return;
}
/* Check if it is for any other PAN connection */
dst_pcb = pan_get_pcb_by_addr(dst);
if (dst_pcb) {
PAN_TRACE_EVENT(
"%s - destination PANU found on handle %d and sending data, len: %d",
__func__, dst_pcb->handle, len);
result =
BNEP_Write(dst_pcb->handle, dst, p_data, len, protocol, &src, ext);
if (result != BNEP_SUCCESS && result != BNEP_IGNORE_CMD)
PAN_TRACE_ERROR("Failed to write data for PAN connection handle %d",
dst_pcb->handle);
osi_free(p_buf);
return;
}
}
/* Send it over the LAN or give it to host software */
if (pan_cb.pan_data_buf_ind_cb)
(*pan_cb.pan_data_buf_ind_cb)(pcb->handle, src, dst, protocol, p_buf, ext,
forward);
else if (pan_cb.pan_data_ind_cb)
(*pan_cb.pan_data_ind_cb)(pcb->handle, src, dst, protocol, p_data, len, ext,
forward);
osi_free(p_buf);
return;
}
/*******************************************************************************
*
* Function pan_proto_filt_ind_cb
*
* Description This function is registered with BNEP to receive tx data
* flow status
*
* Parameters: handle - handle for the connection
* event - flow status
*
* Returns none
*
******************************************************************************/
void pan_tx_data_flow_cb(uint16_t handle, tBNEP_RESULT event) {
if (pan_cb.pan_tx_data_flow_cb) (*pan_cb.pan_tx_data_flow_cb)(handle, event);
return;
}
/*******************************************************************************
*
* Function pan_proto_filt_ind_cb
*
* Description This function is registered with BNEP as proto filter
* indication callback. BNEP will call this when the peer sends
* any protocol filter set for the connection or to indicate
* the result of the protocol filter set by the local device
*
* Parameters: handle - handle for the connection
* indication - true if this is indication
* false if it is called to give the result of
* local device protocol filter set
* result - This gives the result of the filter set
* operation
* num_filters - number of filters set by the peer device
* p_filters - pointer to the filters set by the peer device
*
* Returns none
*
******************************************************************************/
void pan_proto_filt_ind_cb(uint16_t handle, bool indication,
tBNEP_RESULT result, uint16_t num_filters,
uint8_t* p_filters) {
PAN_TRACE_EVENT(
"pan_proto_filt_ind_cb - called for handle %d with ind %d, result %d, "
"num %d",
handle, indication, result, num_filters);
if (pan_cb.pan_pfilt_ind_cb)
(*pan_cb.pan_pfilt_ind_cb)(handle, indication, result, num_filters,
p_filters);
}
/*******************************************************************************
*
* Function pan_mcast_filt_ind_cb
*
* Description This function is registered with BNEP as mcast filter
* indication callback. BNEP will call this when the peer sends
* any multicast filter set for the connection or to indicate
* the result of the multicast filter set by the local device
*
* Parameters: handle - handle for the connection
* indication - true if this is indication
* false if it is called to give the result of
* local device multicast filter set
* result - This gives the result of the filter set
* operation
* num_filters - number of filters set by the peer device
* p_filters - pointer to the filters set by the peer device
*
* Returns none
*
******************************************************************************/
void pan_mcast_filt_ind_cb(uint16_t handle, bool indication,
tBNEP_RESULT result, uint16_t num_filters,
uint8_t* p_filters) {
PAN_TRACE_EVENT(
"pan_mcast_filt_ind_cb - called for handle %d with ind %d, result %d, "
"num %d",
handle, indication, result, num_filters);
if (pan_cb.pan_mfilt_ind_cb)
(*pan_cb.pan_mfilt_ind_cb)(handle, indication, result, num_filters,
p_filters);
}