| /****************************************************************************** |
| * |
| * Copyright 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 "pan_api.h" |
| #include <base/logging.h> |
| #include <string.h> |
| #include "bnep_api.h" |
| #include "bt_common.h" |
| #include "bt_types.h" |
| #include "bta_sys.h" |
| #include "btm_api.h" |
| #include "hcidefs.h" |
| #include "l2c_api.h" |
| #include "pan_int.h" |
| #include "sdp_api.h" |
| #include "sdpdefs.h" |
| |
| using bluetooth::Uuid; |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Register |
| * |
| * Description This function is called by the application to register |
| * its callbacks with PAN profile. The application then |
| * should set the PAN role explicitly. |
| * |
| * Parameters: p_register - contains all callback function pointers |
| * |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| void PAN_Register(tPAN_REGISTER* p_register) { |
| BTM_SetDiscoverability(BTM_GENERAL_DISCOVERABLE, 0, 0); |
| BTM_SetConnectability(BTM_CONNECTABLE, 0, 0); |
| |
| pan_register_with_bnep(); |
| |
| if (!p_register) return; |
| |
| pan_cb.pan_conn_state_cb = p_register->pan_conn_state_cb; |
| pan_cb.pan_bridge_req_cb = p_register->pan_bridge_req_cb; |
| pan_cb.pan_data_buf_ind_cb = p_register->pan_data_buf_ind_cb; |
| pan_cb.pan_data_ind_cb = p_register->pan_data_ind_cb; |
| pan_cb.pan_pfilt_ind_cb = p_register->pan_pfilt_ind_cb; |
| pan_cb.pan_mfilt_ind_cb = p_register->pan_mfilt_ind_cb; |
| pan_cb.pan_tx_data_flow_cb = p_register->pan_tx_data_flow_cb; |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Deregister |
| * |
| * Description This function is called by the application to de-register |
| * its callbacks with PAN profile. This will make the PAN to |
| * become inactive. This will deregister PAN services from SDP |
| * and close all active connections |
| * |
| * Parameters: none |
| * |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| void PAN_Deregister(void) { |
| pan_cb.pan_bridge_req_cb = NULL; |
| pan_cb.pan_data_buf_ind_cb = NULL; |
| pan_cb.pan_data_ind_cb = NULL; |
| pan_cb.pan_conn_state_cb = NULL; |
| pan_cb.pan_pfilt_ind_cb = NULL; |
| pan_cb.pan_mfilt_ind_cb = NULL; |
| |
| PAN_SetRole(PAN_ROLE_INACTIVE, NULL, NULL, NULL, NULL); |
| BNEP_Deregister(); |
| |
| return; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetRole |
| * |
| * Description This function is called by the application to set the PAN |
| * profile role. This should be called after PAN_Register. |
| * This can be called any time to change the PAN role |
| * |
| * Parameters: role - is bit map of roles to be active |
| * PAN_ROLE_CLIENT is for PANU role |
| * PAN_ROLE_GN_SERVER is for GN role |
| * PAN_ROLE_NAP_SERVER is for NAP role |
| * sec_mask - Security mask for different roles |
| * It is array of uint8_t. The bytes |
| * represent the security for roles PANU, |
| * GN and NAP in order |
| * p_user_name - Service name for PANU role |
| * p_gn_name - Service name for GN role |
| * p_nap_name - Service name for NAP role |
| * Can be NULL if user wants the default |
| * |
| * Returns PAN_SUCCESS - if the role is set successfully |
| * PAN_FAILURE - if the role is not valid |
| * |
| ******************************************************************************/ |
| tPAN_RESULT PAN_SetRole(uint8_t role, uint8_t* sec_mask, |
| const char* p_user_name, const char* p_gn_name, |
| const char* p_nap_name) { |
| const char* p_desc; |
| uint8_t security[3] = {PAN_PANU_SECURITY_LEVEL, PAN_GN_SECURITY_LEVEL, |
| PAN_NAP_SECURITY_LEVEL}; |
| uint8_t* p_sec; |
| |
| /* If the role is not a valid combination reject it */ |
| if ((!(role & |
| (PAN_ROLE_CLIENT | PAN_ROLE_GN_SERVER | PAN_ROLE_NAP_SERVER))) && |
| role != PAN_ROLE_INACTIVE) { |
| PAN_TRACE_ERROR("PAN role %d is invalid", role); |
| return PAN_FAILURE; |
| } |
| |
| /* If the current active role is same as the role being set do nothing */ |
| if (pan_cb.role == role) { |
| PAN_TRACE_EVENT("PAN role already was set to: %d", role); |
| return PAN_SUCCESS; |
| } |
| |
| if (!sec_mask) |
| p_sec = security; |
| else |
| p_sec = sec_mask; |
| |
| /* Register all the roles with SDP */ |
| PAN_TRACE_API("PAN_SetRole() called with role 0x%x", role); |
| #if (PAN_SUPPORTS_ROLE_NAP == TRUE) |
| if (role & PAN_ROLE_NAP_SERVER) { |
| /* Check the service name */ |
| if ((p_nap_name == NULL) || (*p_nap_name == 0)) |
| p_nap_name = PAN_NAP_DEFAULT_SERVICE_NAME; |
| |
| /* Registering for NAP service with SDP */ |
| p_desc = PAN_NAP_DEFAULT_DESCRIPTION; |
| |
| if (pan_cb.pan_nap_sdp_handle != 0) |
| SDP_DeleteRecord(pan_cb.pan_nap_sdp_handle); |
| |
| pan_cb.pan_nap_sdp_handle = |
| pan_register_with_sdp(UUID_SERVCLASS_NAP, p_sec[2], p_nap_name, p_desc); |
| bta_sys_add_uuid(UUID_SERVCLASS_NAP); |
| } |
| /* If the NAP role is already active and now being cleared delete the record |
| */ |
| else if (pan_cb.role & PAN_ROLE_NAP_SERVER) { |
| if (pan_cb.pan_nap_sdp_handle != 0) { |
| SDP_DeleteRecord(pan_cb.pan_nap_sdp_handle); |
| pan_cb.pan_nap_sdp_handle = 0; |
| bta_sys_remove_uuid(UUID_SERVCLASS_NAP); |
| } |
| } |
| #endif |
| |
| #if (PAN_SUPPORTS_ROLE_GN == TRUE) |
| if (role & PAN_ROLE_GN_SERVER) { |
| /* Check the service name */ |
| if ((p_gn_name == NULL) || (*p_gn_name == 0)) |
| p_gn_name = PAN_GN_DEFAULT_SERVICE_NAME; |
| |
| /* Registering for GN service with SDP */ |
| p_desc = PAN_GN_DEFAULT_DESCRIPTION; |
| |
| if (pan_cb.pan_gn_sdp_handle != 0) |
| SDP_DeleteRecord(pan_cb.pan_gn_sdp_handle); |
| |
| pan_cb.pan_gn_sdp_handle = |
| pan_register_with_sdp(UUID_SERVCLASS_GN, p_sec[1], p_gn_name, p_desc); |
| bta_sys_add_uuid(UUID_SERVCLASS_GN); |
| } |
| /* If the GN role is already active and now being cleared delete the record */ |
| else if (pan_cb.role & PAN_ROLE_GN_SERVER) { |
| if (pan_cb.pan_gn_sdp_handle != 0) { |
| SDP_DeleteRecord(pan_cb.pan_gn_sdp_handle); |
| pan_cb.pan_gn_sdp_handle = 0; |
| bta_sys_remove_uuid(UUID_SERVCLASS_GN); |
| } |
| } |
| #endif |
| |
| #if (PAN_SUPPORTS_ROLE_PANU == TRUE) |
| if (role & PAN_ROLE_CLIENT) { |
| /* Check the service name */ |
| if ((p_user_name == NULL) || (*p_user_name == 0)) |
| p_user_name = PAN_PANU_DEFAULT_SERVICE_NAME; |
| |
| /* Registering for PANU service with SDP */ |
| p_desc = PAN_PANU_DEFAULT_DESCRIPTION; |
| if (pan_cb.pan_user_sdp_handle != 0) |
| SDP_DeleteRecord(pan_cb.pan_user_sdp_handle); |
| |
| pan_cb.pan_user_sdp_handle = pan_register_with_sdp( |
| UUID_SERVCLASS_PANU, p_sec[0], p_user_name, p_desc); |
| bta_sys_add_uuid(UUID_SERVCLASS_PANU); |
| } |
| /* If the PANU role is already active and now being cleared delete the record |
| */ |
| else if (pan_cb.role & PAN_ROLE_CLIENT) { |
| if (pan_cb.pan_user_sdp_handle != 0) { |
| SDP_DeleteRecord(pan_cb.pan_user_sdp_handle); |
| pan_cb.pan_user_sdp_handle = 0; |
| bta_sys_remove_uuid(UUID_SERVCLASS_PANU); |
| } |
| } |
| #endif |
| |
| /* Check if it is a shutdown request */ |
| if (role == PAN_ROLE_INACTIVE) pan_close_all_connections(); |
| |
| pan_cb.role = role; |
| PAN_TRACE_EVENT("PAN role set to: %d", role); |
| return PAN_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Connect |
| * |
| * Description This function is called by the application to initiate a |
| * connection to the remote device |
| * |
| * Parameters: rem_bda - BD Addr of the remote device |
| * src_role - Role of the local device for the connection |
| * dst_role - Role of the remote device for the connection |
| * PAN_ROLE_CLIENT is for PANU role |
| * PAN_ROLE_GN_SERVER is for GN role |
| * PAN_ROLE_NAP_SERVER is for NAP role |
| * *handle - Pointer for returning Handle to the connection |
| * |
| * Returns PAN_SUCCESS - if the connection is initiated |
| * successfully |
| * PAN_NO_RESOURCES - resources are not sufficent |
| * PAN_FAILURE - if the connection cannot be initiated |
| * this can be because of the combination of |
| * src and dst roles may not be valid or |
| * allowed at that point of time |
| * |
| ******************************************************************************/ |
| tPAN_RESULT PAN_Connect(const RawAddress& rem_bda, uint8_t src_role, |
| uint8_t dst_role, uint16_t* handle) { |
| uint32_t mx_chan_id; |
| |
| /* |
| ** Initialize the handle so that in case of failure return values |
| ** the profile will not get confused |
| */ |
| *handle = BNEP_INVALID_HANDLE; |
| |
| /* Check if PAN is active or not */ |
| if (!(pan_cb.role & src_role)) { |
| PAN_TRACE_ERROR("PAN is not active for the role %d", src_role); |
| return PAN_FAILURE; |
| } |
| |
| /* Validate the parameters before proceeding */ |
| if ((src_role != PAN_ROLE_CLIENT && src_role != PAN_ROLE_GN_SERVER && |
| src_role != PAN_ROLE_NAP_SERVER) || |
| (dst_role != PAN_ROLE_CLIENT && dst_role != PAN_ROLE_GN_SERVER && |
| dst_role != PAN_ROLE_NAP_SERVER)) { |
| PAN_TRACE_ERROR("Either source %d or destination role %d is invalid", |
| src_role, dst_role); |
| return PAN_FAILURE; |
| } |
| |
| /* Check if connection exists for this remote device */ |
| tPAN_CONN* pcb = pan_get_pcb_by_addr(rem_bda); |
| |
| uint16_t src_uuid, dst_uuid; |
| /* If we are PANU for this role validate destination role */ |
| if (src_role == PAN_ROLE_CLIENT) { |
| if ((pan_cb.num_conns > 1) || (pan_cb.num_conns && (!pcb))) { |
| /* |
| ** If the request is not for existing connection reject it |
| ** because if there is already a connection we cannot accept |
| ** another connection in PANU role |
| */ |
| PAN_TRACE_ERROR( |
| "Cannot make PANU connections when there are more than one " |
| "connection"); |
| return PAN_INVALID_SRC_ROLE; |
| } |
| |
| src_uuid = UUID_SERVCLASS_PANU; |
| if (dst_role == PAN_ROLE_CLIENT) { |
| dst_uuid = UUID_SERVCLASS_PANU; |
| } else if (dst_role == PAN_ROLE_GN_SERVER) { |
| dst_uuid = UUID_SERVCLASS_GN; |
| } else { |
| dst_uuid = UUID_SERVCLASS_NAP; |
| } |
| mx_chan_id = dst_uuid; |
| } |
| /* If destination is PANU role validate source role */ |
| else if (dst_role == PAN_ROLE_CLIENT) { |
| if (pan_cb.num_conns && pan_cb.active_role == PAN_ROLE_CLIENT && !pcb) { |
| PAN_TRACE_ERROR("Device already have a connection in PANU role"); |
| return PAN_INVALID_SRC_ROLE; |
| } |
| |
| dst_uuid = UUID_SERVCLASS_PANU; |
| if (src_role == PAN_ROLE_GN_SERVER) { |
| src_uuid = UUID_SERVCLASS_GN; |
| } else { |
| src_uuid = UUID_SERVCLASS_NAP; |
| } |
| mx_chan_id = src_uuid; |
| } |
| /* The role combination is not valid */ |
| else { |
| PAN_TRACE_ERROR( |
| "Source %d and Destination roles %d are not valid combination", |
| src_role, dst_role); |
| return PAN_FAILURE; |
| } |
| |
| /* Allocate control block and initiate connection */ |
| if (!pcb) pcb = pan_allocate_pcb(rem_bda, BNEP_INVALID_HANDLE); |
| if (!pcb) { |
| PAN_TRACE_ERROR("PAN Connection failed because of no resources"); |
| return PAN_NO_RESOURCES; |
| } |
| BTM_SetOutService(rem_bda, BTM_SEC_SERVICE_BNEP_PANU, mx_chan_id); |
| |
| VLOG(0) << __func__ << " for BD Addr: " << rem_bda; |
| if (pcb->con_state == PAN_STATE_IDLE) { |
| pan_cb.num_conns++; |
| } else if (pcb->con_state == PAN_STATE_CONNECTED) { |
| pcb->con_flags |= PAN_FLAGS_CONN_COMPLETED; |
| } else |
| /* PAN connection is still in progress */ |
| return PAN_WRONG_STATE; |
| |
| pcb->con_state = PAN_STATE_CONN_START; |
| pcb->prv_src_uuid = pcb->src_uuid; |
| pcb->prv_dst_uuid = pcb->dst_uuid; |
| |
| pcb->src_uuid = src_uuid; |
| pcb->dst_uuid = dst_uuid; |
| |
| tBNEP_RESULT ret = BNEP_Connect(rem_bda, Uuid::From16Bit(src_uuid), |
| Uuid::From16Bit(dst_uuid), &(pcb->handle)); |
| if (ret != BNEP_SUCCESS) { |
| pan_release_pcb(pcb); |
| return ret; |
| } |
| |
| PAN_TRACE_DEBUG("PAN_Connect() current active role set to %d", src_role); |
| pan_cb.prv_active_role = pan_cb.active_role; |
| pan_cb.active_role = src_role; |
| *handle = pcb->handle; |
| return PAN_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Disconnect |
| * |
| * Description This is used to disconnect the connection |
| * |
| * Parameters: handle - handle for the connection |
| * |
| * Returns PAN_SUCCESS - if the connection is closed successfully |
| * PAN_FAILURE - if the connection is not found or |
| * there is an error in disconnecting |
| * |
| ******************************************************************************/ |
| tPAN_RESULT PAN_Disconnect(uint16_t handle) { |
| tPAN_CONN* pcb; |
| tBNEP_RESULT result; |
| |
| /* Check if the connection exists */ |
| pcb = pan_get_pcb_by_handle(handle); |
| if (!pcb) { |
| PAN_TRACE_ERROR("PAN connection not found for the handle %d", handle); |
| return PAN_FAILURE; |
| } |
| |
| result = BNEP_Disconnect(pcb->handle); |
| if (pcb->con_state != PAN_STATE_IDLE) pan_cb.num_conns--; |
| |
| if (pan_cb.pan_bridge_req_cb && pcb->src_uuid == UUID_SERVCLASS_NAP) |
| (*pan_cb.pan_bridge_req_cb)(pcb->rem_bda, false); |
| |
| pan_release_pcb(pcb); |
| |
| if (result != BNEP_SUCCESS) { |
| PAN_TRACE_EVENT("Error in closing PAN connection"); |
| return PAN_FAILURE; |
| } |
| |
| PAN_TRACE_EVENT("PAN connection closed"); |
| return PAN_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Write |
| * |
| * Description This sends data over the PAN connections. If this is called |
| * on GN or NAP side and the packet is multicast or broadcast |
| * it will be sent on all the links. Otherwise the correct link |
| * is found based on the destination address and forwarded on |
| * it. |
| * |
| * Parameters: handle - handle for the connection |
| * dst - MAC or BD Addr of the destination device |
| * src - MAC or BD Addr of the source who sent this packet |
| * protocol - protocol of the ethernet packet like IP or ARP |
| * p_data - pointer to the data |
| * len - length of the data |
| * ext - to indicate that extension headers present |
| * |
| * Returns PAN_SUCCESS - if the data is sent successfully |
| * PAN_FAILURE - if the connection is not found or |
| * there is an error in sending data |
| * |
| ******************************************************************************/ |
| tPAN_RESULT PAN_Write(uint16_t handle, const RawAddress& dst, |
| const RawAddress& src, uint16_t protocol, uint8_t* p_data, |
| uint16_t len, bool ext) { |
| if (pan_cb.role == PAN_ROLE_INACTIVE || !pan_cb.num_conns) { |
| PAN_TRACE_ERROR("%s PAN is not active, data write failed.", __func__); |
| return PAN_FAILURE; |
| } |
| |
| // If the packet is broadcast or multicast, we're going to have to create |
| // a copy of the packet for each connection. We can save one extra copy |
| // by fast-pathing here and calling BNEP_Write instead of placing the packet |
| // in a BT_HDR buffer, calling BNEP_Write, and then freeing the buffer. |
| if (dst.address[0] & 0x01) { |
| int i; |
| for (i = 0; i < MAX_PAN_CONNS; ++i) { |
| if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED) |
| BNEP_Write(pan_cb.pcb[i].handle, dst, p_data, len, protocol, &src, ext); |
| } |
| return PAN_SUCCESS; |
| } |
| |
| BT_HDR* buffer = (BT_HDR*)osi_malloc(PAN_BUF_SIZE); |
| buffer->len = len; |
| buffer->offset = PAN_MINIMUM_OFFSET; |
| memcpy((uint8_t*)buffer + sizeof(BT_HDR) + buffer->offset, p_data, |
| buffer->len); |
| |
| return PAN_WriteBuf(handle, dst, src, protocol, buffer, ext); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_WriteBuf |
| * |
| * Description This sends data over the PAN connections. If this is called |
| * on GN or NAP side and the packet is multicast or broadcast |
| * it will be sent on all the links. Otherwise the correct link |
| * is found based on the destination address and forwarded on |
| * it. If the return value is not PAN_SUCCESS, the application |
| * should take care of releasing the message buffer. |
| * |
| * Parameters: handle - handle for the connection |
| * dst - MAC or BD Addr of the destination device |
| * src - MAC or BD Addr of the source who sent this packet |
| * protocol - protocol of the ethernet packet like IP or ARP |
| * p_buf - pointer to the data buffer |
| * ext - to indicate that extension headers present |
| * |
| * Returns PAN_SUCCESS - if the data is sent successfully |
| * PAN_FAILURE - if the connection is not found or |
| * there is an error in sending data |
| * |
| ******************************************************************************/ |
| tPAN_RESULT PAN_WriteBuf(uint16_t handle, const RawAddress& dst, |
| const RawAddress& src, uint16_t protocol, |
| BT_HDR* p_buf, bool ext) { |
| tPAN_CONN* pcb; |
| uint16_t i; |
| tBNEP_RESULT result; |
| |
| if (pan_cb.role == PAN_ROLE_INACTIVE || (!(pan_cb.num_conns))) { |
| PAN_TRACE_ERROR("PAN is not active Data write failed"); |
| osi_free(p_buf); |
| return PAN_FAILURE; |
| } |
| |
| /* Check if it is broadcast or multicast packet */ |
| if (dst.address[0] & 0x01) { |
| uint8_t* data = (uint8_t*)p_buf + sizeof(BT_HDR) + p_buf->offset; |
| for (i = 0; i < MAX_PAN_CONNS; ++i) { |
| if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED) |
| BNEP_Write(pan_cb.pcb[i].handle, dst, data, p_buf->len, protocol, &src, |
| ext); |
| } |
| osi_free(p_buf); |
| return PAN_SUCCESS; |
| } |
| |
| /* Check if the data write is on PANU side */ |
| if (pan_cb.active_role == PAN_ROLE_CLIENT) { |
| /* Data write is on PANU connection */ |
| for (i = 0; i < MAX_PAN_CONNS; i++) { |
| if (pan_cb.pcb[i].con_state == PAN_STATE_CONNECTED && |
| pan_cb.pcb[i].src_uuid == UUID_SERVCLASS_PANU) |
| break; |
| } |
| |
| if (i == MAX_PAN_CONNS) { |
| PAN_TRACE_ERROR("PAN Don't have any user connections"); |
| osi_free(p_buf); |
| return PAN_FAILURE; |
| } |
| |
| result = |
| BNEP_WriteBuf(pan_cb.pcb[i].handle, dst, p_buf, protocol, &src, ext); |
| if (result == BNEP_IGNORE_CMD) { |
| PAN_TRACE_DEBUG("PAN ignored data write for PANU connection"); |
| return result; |
| } else if (result != BNEP_SUCCESS) { |
| PAN_TRACE_ERROR("PAN failed to write data for the PANU connection"); |
| return result; |
| } |
| |
| PAN_TRACE_DEBUG("PAN successfully wrote data for the PANU connection"); |
| return PAN_SUCCESS; |
| } |
| |
| /* findout to which connection the data is meant for */ |
| pcb = pan_get_pcb_by_handle(handle); |
| if (!pcb) { |
| PAN_TRACE_ERROR("PAN Buf write for wrong handle"); |
| osi_free(p_buf); |
| return PAN_FAILURE; |
| } |
| |
| if (pcb->con_state != PAN_STATE_CONNECTED) { |
| PAN_TRACE_ERROR("PAN Buf write when conn is not active"); |
| osi_free(p_buf); |
| return PAN_FAILURE; |
| } |
| |
| result = BNEP_WriteBuf(pcb->handle, dst, p_buf, protocol, &src, ext); |
| if (result == BNEP_IGNORE_CMD) { |
| PAN_TRACE_DEBUG("PAN ignored data buf write to PANU"); |
| return result; |
| } else if (result != BNEP_SUCCESS) { |
| PAN_TRACE_ERROR("PAN failed to send data buf to the PANU"); |
| return result; |
| } |
| |
| PAN_TRACE_DEBUG("PAN successfully sent data buf to the PANU"); |
| return PAN_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetProtocolFilters |
| * |
| * Description This function is used to set protocol filters on the peer |
| * |
| * Parameters: handle - handle for the connection |
| * num_filters - number of protocol filter ranges |
| * start - array of starting protocol numbers |
| * end - array of ending protocol numbers |
| * |
| * |
| * Returns PAN_SUCCESS if protocol filters are set successfully |
| * PAN_FAILURE if connection not found or error in setting |
| * |
| ******************************************************************************/ |
| tPAN_RESULT PAN_SetProtocolFilters(uint16_t handle, uint16_t num_filters, |
| uint16_t* p_start_array, |
| uint16_t* p_end_array) { |
| tPAN_CONN* pcb; |
| tPAN_RESULT result; |
| |
| /* Check if the connection exists */ |
| pcb = pan_get_pcb_by_handle(handle); |
| if (!pcb) { |
| PAN_TRACE_ERROR("PAN connection not found for the handle %d", handle); |
| return PAN_FAILURE; |
| } |
| |
| result = BNEP_SetProtocolFilters(pcb->handle, num_filters, p_start_array, |
| p_end_array); |
| if (result != BNEP_SUCCESS) { |
| PAN_TRACE_ERROR("PAN failed to set protocol filters for handle %d", handle); |
| return result; |
| } |
| |
| PAN_TRACE_API("PAN successfully sent protocol filters for handle %d", handle); |
| return PAN_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetMulticastFilters |
| * |
| * Description This function is used to set multicast filters on the peer |
| * |
| * Parameters: handle - handle for the connection |
| * num_filters - number of multicast filter ranges |
| * start - array of starting multicast filter addresses |
| * end - array of ending multicast filter addresses |
| * |
| * |
| * Returns PAN_SUCCESS if multicast filters are set successfully |
| * PAN_FAILURE if connection not found or error in setting |
| * |
| ******************************************************************************/ |
| tBNEP_RESULT PAN_SetMulticastFilters(uint16_t handle, |
| uint16_t num_mcast_filters, |
| uint8_t* p_start_array, |
| uint8_t* p_end_array) { |
| tPAN_CONN* pcb; |
| tPAN_RESULT result; |
| |
| /* Check if the connection exists */ |
| pcb = pan_get_pcb_by_handle(handle); |
| if (!pcb) { |
| PAN_TRACE_ERROR("PAN connection not found for the handle %d", handle); |
| return PAN_FAILURE; |
| } |
| |
| result = BNEP_SetMulticastFilters(pcb->handle, num_mcast_filters, |
| p_start_array, p_end_array); |
| if (result != BNEP_SUCCESS) { |
| PAN_TRACE_ERROR("PAN failed to set multicast filters for handle %d", |
| handle); |
| return result; |
| } |
| |
| PAN_TRACE_API("PAN successfully sent multicast filters for handle %d", |
| handle); |
| return PAN_SUCCESS; |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_SetTraceLevel |
| * |
| * Description This function sets the trace level for PAN. If called with |
| * a value of 0xFF, it simply reads the current trace level. |
| * |
| * Returns the new (current) trace level |
| * |
| ******************************************************************************/ |
| uint8_t PAN_SetTraceLevel(uint8_t new_level) { |
| if (new_level != 0xFF) |
| pan_cb.trace_level = new_level; |
| else |
| pan_dump_status(); |
| |
| return (pan_cb.trace_level); |
| } |
| |
| /******************************************************************************* |
| * |
| * Function PAN_Init |
| * |
| * Description This function initializes the PAN module variables |
| * |
| * Parameters: none |
| * |
| * Returns none |
| * |
| ******************************************************************************/ |
| void PAN_Init(void) { |
| memset(&pan_cb, 0, sizeof(tPAN_CB)); |
| |
| #if defined(PAN_INITIAL_TRACE_LEVEL) |
| pan_cb.trace_level = PAN_INITIAL_TRACE_LEVEL; |
| #else |
| pan_cb.trace_level = BT_TRACE_LEVEL_NONE; /* No traces */ |
| #endif |
| } |
