nuttx/wireless/ieee802154/mac802154.h

380 lines
15 KiB
C

/****************************************************************************
* wireless/ieee802154/mac802154.h
*
* Copyright (C) 2016 Sebastien Lorquet. All rights reserved.
* Copyright (C) 2017 Verge Inc. All rights reserved.
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
*
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
* Author: Anthony Merlino <anthony@vergeaero.com>
*
* The naming and comments for various fields are taken directly
* from the IEEE 802.15.4 2011 standard.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#ifndef __WIRELESS_IEEE802154__MAC802154_H
#define __WIRELESS_IEEE802154__MAC802154_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
/****************************************************************************
* Public Data Types
****************************************************************************/
/* Callback operations to notify the next highest layer of various
* asynchronous events, usually triggered by some previous request or
* response invoked by the upper layer.
*/
struct mac802154_maccb_s
{
FAR struct mac802154_maccb_s *flink; /* Implements a singly linked list */
uint8_t prio; /* RX frame callback priority */
/* Callback methods */
CODE void (*notify)(FAR struct mac802154_maccb_s *maccb,
FAR struct ieee802154_notif_s *notif);
CODE int (*rxframe)(FAR struct mac802154_maccb_s *maccb,
FAR struct ieee802154_data_ind_s *ind);
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
struct iob_s; /* Forward reference */
/****************************************************************************
* Name: mac802154_bind
*
* Description:
* Bind the MAC callback table to the MAC state.
*
* Parameters:
* mac - Reference to the MAC driver state structure
* cb - MAC callback operations
*
* Returned Value:
* OK on success; Negated errno on failure.
*
****************************************************************************/
int mac802154_bind(MACHANDLE mac, FAR struct mac802154_maccb_s *cb);
/****************************************************************************
* Name: mac802154_ioctl
*
* Description:
* Handle MAC and radio IOCTL commands directed to the MAC.
*
* Parameters:
* mac - Reference to the MAC driver state structure
* cmd - The IOCTL command
* arg - The argument for the IOCTL command
*
* Returned Value:
* OK on success; Negated errno on failure.
*
****************************************************************************/
int mac802154_ioctl(MACHANDLE mac, int cmd, unsigned long arg);
/****************************************************************************
* MAC Interface Operations
****************************************************************************/
/****************************************************************************
* Name: mac802154_get_mhrlen
*
* Description:
* Calculate the MAC header length given the frame meta-data.
*
****************************************************************************/
int mac802154_get_mhrlen(MACHANDLE mac,
FAR const struct ieee802154_frame_meta_s *meta);
/****************************************************************************
* Name: mac802154_req_data
*
* Description:
* The MCPS-DATA.request primitive requests the transfer of a data SPDU
* (i.e., MSDU) from a local SSCS entity to a single peer SSCS entity.
* Confirmation is returned via the
* struct mac802154_maccb_s->conf_data callback.
*
****************************************************************************/
int mac802154_req_data(MACHANDLE mac,
FAR const struct ieee802154_frame_meta_s *meta,
FAR struct iob_s *frame);
/****************************************************************************
* Name: mac802154_req_purge
*
* Description:
* The MCPS-PURGE.request primitive allows the next higher layer to purge
* an MSDU from the transaction queue. Confirmation is returned via
* the struct mac802154_maccb_s->conf_purge callback.
*
* NOTE: The standard specifies that confirmation should be indicated via
* the asynchronous MLME-PURGE.confirm primitve. However, in our
* implementation we synchronously return the status from the request.
* Therefore, we merge the functionality of the MLME-PURGE.request and
* MLME-PURGE.confirm primitives together.
*
****************************************************************************/
int mac802154_req_purge(MACHANDLE mac, uint8_t msdu_handle);
/****************************************************************************
* Name: mac802154_req_associate
*
* Description:
* The MLME-ASSOCIATE.request primitive allows a device to request an
* association with a coordinator. Confirmation is returned via the
* struct mac802154_maccb_s->conf_associate callback.
*
****************************************************************************/
int mac802154_req_associate(MACHANDLE mac,
FAR struct ieee802154_assoc_req_s *req);
/****************************************************************************
* Name: mac802154_req_disassociate
*
* Description:
* The MLME-DISASSOCIATE.request primitive is used by an associated device
* to notify the coordinator of its intent to leave the PAN. It is also
* used by the coordinator to instruct an associated device to leave the
* PAN.
*
* Confirmation is returned via the
* struct mac802154_maccb_s->conf_disassociate callback.
*
****************************************************************************/
int mac802154_req_disassociate(MACHANDLE mac,
FAR struct ieee802154_disassoc_req_s *req);
/****************************************************************************
* Name: mac802154_req_gts
*
* Description:
* The MLME-GTS.request primitive allows a device to send a request to the
* PAN coordinator to allocate a new GTS or to deallocate an existing GTS.
* Confirmation is returned via the
* struct mac802154_maccb_s->conf_gts callback.
*
****************************************************************************/
int mac802154_req_gts(MACHANDLE mac, FAR struct ieee802154_gts_req_s *req);
/****************************************************************************
* Name: mac802154_req_reset
*
* Description:
* The MLME-RESET.request primitive allows the next higher layer to request
* that the MLME performs a reset operation.
*
* NOTE: The standard specifies that confirmation should be provided via
* via the asynchronous MLME-RESET.confirm primitve. However, in our
* implementation we synchronously return the value immediately. Therefore,
* we merge the functionality of the MLME-RESET.request and MLME-RESET.confirm
* primitives together.
*
* Input Parameters:
* mac - Handle to the MAC layer instance
* rst_pibattr - Whether or not to reset the MAC PIB attributes to defaults
*
****************************************************************************/
int mac802154_req_reset(MACHANDLE mac, bool rst_pibattr);
/****************************************************************************
* Name: mac802154_req_rxenable
*
* Description:
* The MLME-RX-ENABLE.request primitive allows the next higher layer to
* request that the receiver is enable for a finite period of time.
* Confirmation is returned via the
* struct mac802154_maccb_s->conf_rxenable callback.
*
****************************************************************************/
int mac802154_req_rxenable(MACHANDLE mac,
FAR struct ieee802154_rxenable_req_s *req);
/****************************************************************************
* Name: mac802154_req_scan
*
* Description:
* The MLME-SCAN.request primitive is used to initiate a channel scan over
* a given list of channels. A device can use a channel scan to measure
* the energy on the channel, search for the coordinator with which it
* associated, or search for all coordinators transmitting beacon frames
* within the POS of the scanning device. Scan results are returned
* via MULTIPLE calls to the struct mac802154_maccb_s->conf_scan
* callback. This is a difference with the official 802.15.4
* specification, implemented here to save memory.
*
****************************************************************************/
int mac802154_req_scan(MACHANDLE mac, FAR struct ieee802154_scan_req_s *req);
/****************************************************************************
* Name: mac802154_req_get
*
* Description:
* The MLME-GET.request primitive requests information about a given PIB
* attribute.
*
* NOTE: The standard specifies that the attribute value should be returned
* via the asynchronous MLME-GET.confirm primitve. However, in our
* implementation, we synchronously return the value immediately.Therefore, we
* merge the functionality of the MLME-GET.request and MLME-GET.confirm
* primitives together.
*
****************************************************************************/
int mac802154_req_get(MACHANDLE mac, enum ieee802154_attr_e ,
FAR union ieee802154_attr_u *attrval);
/****************************************************************************
* Name: mac802154_req_set
*
* Description:
* The MLME-SET.request primitive attempts to write the given value to the
* indicated MAC PIB attribute.
*
* NOTE: The standard specifies that confirmation should be indicated via
* the asynchronous MLME-SET.confirm primitve. However, in our implementation
* we synchronously return the status from the request. Therefore, we do merge
* the functionality of the MLME-SET.request and MLME-SET.confirm primitives
* together.
*
****************************************************************************/
int mac802154_req_set(MACHANDLE mac, enum ieee802154_attr_e ,
FAR const union ieee802154_attr_u *attrval);
/****************************************************************************
* Name: mac802154_req_start
*
* Description:
* The MLME-START.request primitive makes a request for the device to
* start using a new superframe configuration. Confirmation is returned
* via the struct mac802154_maccb_s->conf_start callback.
*
****************************************************************************/
int mac802154_req_start(MACHANDLE mac, FAR struct ieee802154_start_req_s *req);
/****************************************************************************
* Name: mac802154_req_sync
*
* Description:
* The MLME-SYNC.request primitive requests to synchronize with the
* coordinator by acquiring and, if specified, tracking its beacons.
* Confirmation is returned via the
* struct mac802154_maccb_s->int_commstatus callback. TOCHECK.
*
****************************************************************************/
int mac802154_req_sync(MACHANDLE mac, FAR struct ieee802154_sync_req_s *req);
/****************************************************************************
* Name: mac802154_req_poll
*
* Description:
* The MLME-POLL.request primitive prompts the device to request data from
* the coordinator. Confirmation is returned via the
* struct mac802154_maccb_s->conf_poll callback, followed by a
* struct mac802154_maccb_s->ind_data callback.
*
****************************************************************************/
int mac802154_req_poll(MACHANDLE mac, FAR struct ieee802154_poll_req_s *req);
/****************************************************************************
* Name: mac802154_resp_associate
*
* Description:
* The MLME-ASSOCIATE.response primitive is used to initiate a response to
* an MLME-ASSOCIATE.indication primitive.
*
****************************************************************************/
int mac802154_resp_associate(MACHANDLE mac,
FAR struct ieee802154_assoc_resp_s *resp);
/****************************************************************************
* Name: mac802154_resp_orphan
*
* Description:
* The MLME-ORPHAN.response primitive allows the next higher layer of a
* coordinator to respond to the MLME-ORPHAN.indication primitive.
*
****************************************************************************/
int mac802154_resp_orphan(MACHANDLE mac,
FAR struct ieee802154_orphan_resp_s *resp);
/****************************************************************************
* Name: mac802154_notif_free
*
* Description:
* When the MAC calls the registered callback, it passes a reference
* to a mac802154_notify_s structure. This structure needs to be freed
* after the callback handler is done using it.
*
****************************************************************************/
int mac802154_notif_free(MACHANDLE mac,
FAR struct ieee802154_notif_s *notif);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __WIRELESS_IEEE802154__MAC802154_H */