362 lines
14 KiB
C
362 lines
14 KiB
C
/****************************************************************************
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* wireless/ieee802154/mac802154.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __WIRELESS_IEEE802154__MAC802154_H
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#define __WIRELESS_IEEE802154__MAC802154_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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/****************************************************************************
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* Public Data Types
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/* Callback operations to notify the next highest layer of various
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* asynchronous events, usually triggered by some previous request or
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* response invoked by the upper layer.
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*/
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struct mac802154_maccb_s
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{
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FAR struct mac802154_maccb_s *flink; /* Implements a singly linked list */
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uint8_t prio; /* RX frame callback priority */
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/* Callback for various MLME or MCPS service events.
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* Return value represents whether the callback accepts the primitive.
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* >= 0 means the callback has accepted the primitive and is responsible
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* for calling ieee802154_primitive_free(). In the case of DATA.indication
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* primitive, only one callback can accept the frame. The callbacks are
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* stored in order of receiver priority defined by the 'prio' field above.
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* All other notifications are offered to all callbacks and all can accept
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* and free separately since the primitive will not be freed until the
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* nclients count reaches 0.
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*/
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CODE int (*notify)(FAR struct mac802154_maccb_s *maccb,
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FAR struct ieee802154_primitive_s *primitive);
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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struct iob_s; /* Forward reference */
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/****************************************************************************
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* Name: mac802154_bind
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*
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* Description:
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* Bind the MAC callback table to the MAC state.
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*
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* Input Parameters:
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* mac - Reference to the MAC driver state structure
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* cb - MAC callback operations
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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int mac802154_bind(MACHANDLE mac, FAR struct mac802154_maccb_s *cb);
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/****************************************************************************
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* Name: mac802154_ioctl
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*
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* Description:
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* Handle MAC and radio IOCTL commands directed to the MAC.
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*
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* Input Parameters:
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* mac - Reference to the MAC driver state structure
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* cmd - The IOCTL command
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* arg - The argument for the IOCTL command
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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int mac802154_ioctl(MACHANDLE mac, int cmd, unsigned long arg);
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/****************************************************************************
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* MAC Interface Operations
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****************************************************************************/
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/****************************************************************************
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* Name: mac802154_get_mhrlen
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*
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* Description:
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* Calculate the MAC header length given the frame meta-data.
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*
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****************************************************************************/
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int mac802154_get_mhrlen(MACHANDLE mac,
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FAR const struct ieee802154_frame_meta_s *meta);
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/****************************************************************************
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* Name: mac802154_req_data
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*
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* Description:
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* The MCPS-DATA.request primitive requests the transfer of a data SPDU
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* (i.e., MSDU) from a local SSCS entity to a single peer SSCS entity.
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* Confirmation is returned via the
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* struct mac802154_maccb_s->conf_data callback.
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*
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****************************************************************************/
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int mac802154_req_data(MACHANDLE mac,
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FAR const struct ieee802154_frame_meta_s *meta,
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FAR struct iob_s *frame, bool allowinterrupt);
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/****************************************************************************
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* Name: mac802154_req_purge
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*
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* Description:
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* The MCPS-PURGE.request primitive allows the next higher layer to purge
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* an MSDU from the transaction queue. Confirmation is returned via
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* the struct mac802154_maccb_s->conf_purge callback.
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*
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* NOTE: The standard specifies that confirmation should be indicated via
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* the asynchronous MLME-PURGE.confirm primitive. However, in our
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* implementation we synchronously return the status from the request.
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* Therefore, we merge the functionality of the MLME-PURGE.request and
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* MLME-PURGE.confirm primitives together.
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*
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****************************************************************************/
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int mac802154_req_purge(MACHANDLE mac, uint8_t msdu_handle);
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/****************************************************************************
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* Name: mac802154_req_associate
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*
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* Description:
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* The MLME-ASSOCIATE.request primitive allows a device to request an
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* association with a coordinator. Confirmation is returned via the
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* struct mac802154_maccb_s->conf_associate callback.
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*
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****************************************************************************/
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int mac802154_req_associate(MACHANDLE mac,
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FAR struct ieee802154_assoc_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_disassociate
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*
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* Description:
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* The MLME-DISASSOCIATE.request primitive is used by an associated device
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* to notify the coordinator of its intent to leave the PAN. It is also
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* used by the coordinator to instruct an associated device to leave the
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* PAN.
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*
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* Confirmation is returned via the
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* struct mac802154_maccb_s->conf_disassociate callback.
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*
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****************************************************************************/
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int mac802154_req_disassociate(MACHANDLE mac,
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FAR struct ieee802154_disassoc_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_gts
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*
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* Description:
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* The MLME-GTS.request primitive allows a device to send a request to the
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* PAN coordinator to allocate a new GTS or to deallocate an existing GTS.
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* Confirmation is returned via the
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* struct mac802154_maccb_s->conf_gts callback.
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*
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****************************************************************************/
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int mac802154_req_gts(MACHANDLE mac, FAR struct ieee802154_gts_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_reset
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*
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* Description:
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* The MLME-RESET.request primitive allows the next higher layer to request
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* that the MLME performs a reset operation.
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*
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* NOTE: The standard specifies that confirmation should be provided via
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* via the asynchronous MLME-RESET.confirm primitive. However, in our
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* implementation we synchronously return the value immediately.
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* Therefore, we merge the functionality of the MLME-RESET.request and
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* MLME-RESET.confirm primitives together.
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*
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* Input Parameters:
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* mac - Handle to the MAC layer instance
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* reset_attr - Whether or not to reset the MAC PIB attributes to defaults
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*
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****************************************************************************/
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int mac802154_req_reset(MACHANDLE mac, bool restattr);
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/****************************************************************************
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* Name: mac802154_req_rxenable
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*
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* Description:
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* The MLME-RX-ENABLE.request primitive allows the next higher layer to
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* request that the receiver is enable for a finite period of time.
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* Confirmation is returned via the
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* struct mac802154_maccb_s->conf_rxenable callback.
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*
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****************************************************************************/
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int mac802154_req_rxenable(MACHANDLE mac,
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FAR struct ieee802154_rxenable_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_scan
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*
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* Description:
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* The MLME-SCAN.request primitive is used to initiate a channel scan over
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* a given list of channels. A device can use a channel scan to measure
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* the energy on the channel, search for the coordinator with which it
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* associated, or search for all coordinators transmitting beacon frames
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* within the POS of the scanning device. Scan results are returned
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* via MULTIPLE calls to the struct mac802154_maccb_s->conf_scan
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* callback. This is a difference with the official 802.15.4
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* specification, implemented here to save memory.
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*
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****************************************************************************/
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int mac802154_req_scan(MACHANDLE mac, FAR struct ieee802154_scan_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_get
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*
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* Description:
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* The MLME-GET.request primitive requests information about a given PIB
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* attribute.
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*
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* NOTE: The standard specifies that the attribute value should be returned
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* via the asynchronous MLME-GET.confirm primitive. However, in our
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* implementation, we synchronously return the value immediately.Therefore,
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* we merge the functionality of the MLME-GET.request and MLME-GET.confirm
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* primitives together.
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*
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****************************************************************************/
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int mac802154_req_get(MACHANDLE mac, enum ieee802154_attr_e ,
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FAR union ieee802154_attr_u *attrval);
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/****************************************************************************
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* Name: mac802154_req_set
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*
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* Description:
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* The MLME-SET.request primitive attempts to write the given value to the
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* indicated MAC PIB attribute.
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*
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* NOTE: The standard specifies that confirmation should be indicated via
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* the asynchronous MLME-SET.confirm primitive.
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* However, in our implementation we synchronously return the status from
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* the request.
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* Therefore, we do merge the functionality of the MLME-SET.request and
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* MLME-SET.confirm primitives together.
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*
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****************************************************************************/
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int mac802154_req_set(MACHANDLE mac, enum ieee802154_attr_e ,
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FAR const union ieee802154_attr_u *attrval);
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/****************************************************************************
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* Name: mac802154_req_start
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*
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* Description:
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* The MLME-START.request primitive makes a request for the device to
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* start using a new superframe configuration. Confirmation is returned
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* via the struct mac802154_maccb_s->conf_start callback.
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*
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****************************************************************************/
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int mac802154_req_start(MACHANDLE mac,
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FAR struct ieee802154_start_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_sync
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*
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* Description:
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* The MLME-SYNC.request primitive requests to synchronize with the
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* coordinator by acquiring and, if specified, tracking its beacons.
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* Confirmation is returned via the
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* struct mac802154_maccb_s->int_commstatus callback. TOCHECK.
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*
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****************************************************************************/
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int mac802154_req_sync(MACHANDLE mac, FAR struct ieee802154_sync_req_s *req);
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/****************************************************************************
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* Name: mac802154_req_poll
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*
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* Description:
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* The MLME-POLL.request primitive prompts the device to request data from
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* the coordinator. Confirmation is returned via the
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* struct mac802154_maccb_s->conf_poll callback, followed by a
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* struct mac802154_maccb_s->ind_data callback.
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*
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****************************************************************************/
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int mac802154_req_poll(MACHANDLE mac, FAR struct ieee802154_poll_req_s *req);
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/****************************************************************************
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* Name: mac802154_resp_associate
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*
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* Description:
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* The MLME-ASSOCIATE.response primitive is used to initiate a response to
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* an MLME-ASSOCIATE.indication primitive.
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*
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****************************************************************************/
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int mac802154_resp_associate(MACHANDLE mac,
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FAR struct ieee802154_assoc_resp_s *resp);
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/****************************************************************************
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* Name: mac802154_resp_orphan
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*
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* Description:
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* The MLME-ORPHAN.response primitive allows the next higher layer of a
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* coordinator to respond to the MLME-ORPHAN.indication primitive.
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*
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****************************************************************************/
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int mac802154_resp_orphan(MACHANDLE mac,
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FAR struct ieee802154_orphan_resp_s *resp);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __WIRELESS_IEEE802154__MAC802154_H */
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