2017-07-10 00:53:08 +02:00
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/****************************************************************************
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* wireless/ieee802154/mac802154_internal.h
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*
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2021-09-06 13:39:36 +02:00
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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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2017-07-10 00:53:08 +02:00
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*
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2021-09-06 13:39:36 +02:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2017-07-10 00:53:08 +02:00
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*
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2021-09-06 13:39:36 +02:00
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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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2017-07-10 00:53:08 +02:00
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*
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****************************************************************************/
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#ifndef __WIRELESS_IEEE802154__MAC802154_INTERNAL_H
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#define __WIRELESS_IEEE802154__MAC802154_INTERNAL_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 <stdlib.h>
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#include <assert.h>
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#include <errno.h>
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#include <debug.h>
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#include <string.h>
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#include <nuttx/wdog.h>
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#include <nuttx/wqueue.h>
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2017-10-04 23:22:27 +02:00
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#include <nuttx/semaphore.h>
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2017-07-10 00:53:08 +02:00
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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#include <nuttx/wireless/ieee802154/ieee802154_radio.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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2020-04-13 10:08:03 +02:00
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2017-07-10 00:53:08 +02:00
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/* If processing is not done at the interrupt level, then work queue support
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* is required.
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*/
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2017-11-01 21:15:21 +01:00
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#if !defined(CONFIG_SCHED_HPWORK) || !defined(CONFIG_SCHED_LPWORK)
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# error Both Low and High priority work queues are required for this driver
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2017-07-10 00:53:08 +02:00
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#endif
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#if !defined(CONFIG_MAC802154_NTXDESC) || CONFIG_MAC802154_NTXDESC <= 0
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# undef CONFIG_MAC802154_NTXDESC
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2017-11-01 21:15:21 +01:00
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# define CONFIG_MAC802154_NTXDESC 5
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2017-07-10 00:53:08 +02:00
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#endif
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#if !defined(CONFIG_IEEE802154_DEFAULT_EADDR)
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# define CONFIG_IEEE802154_DEFAULT_EADDR 0xFFFFFFFFFFFFFFFF
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#endif
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/****************************************************************************
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2020-04-13 10:08:03 +02:00
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* Public Types
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2017-07-10 00:53:08 +02:00
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****************************************************************************/
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struct mac802154_radiocb_s
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{
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struct ieee802154_radiocb_s cb;
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FAR struct ieee802154_privmac_s *priv;
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};
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2020-04-13 10:08:03 +02:00
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/* Enumeration for representing what operation the MAC layer is currently
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* doing. There can only be one command being handled at any given time, but
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* certain operations such as association requires more than one command to
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* be sent. Therefore, the need to track not only what command is currently
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* active, but also, what overall operation the command is apart of is
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* necessary.
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2017-07-10 00:53:08 +02:00
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*/
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enum mac802154_operation_e
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{
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MAC802154_OP_NONE,
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MAC802154_OP_ASSOC,
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MAC802154_OP_POLL,
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MAC802154_OP_SCAN,
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MAC802154_OP_AUTOEXTRACT,
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2018-03-28 17:49:34 +02:00
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MAC802154_OP_RXENABLE,
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2017-07-10 00:53:08 +02:00
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};
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/* The privmac structure holds the internal state of the MAC and is the
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* underlying represention of the opaque MACHANDLE. It contains storage for
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* the IEEE802.15.4 MIB attributes.
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*/
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struct ieee802154_privmac_s
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{
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2020-04-13 10:08:03 +02:00
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/*************************** General Fields *******************************/
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2017-07-10 00:53:08 +02:00
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FAR struct ieee802154_radio_s *radio; /* Contained IEEE802.15.4 radio dev */
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FAR struct mac802154_maccb_s *cb; /* Head of a list of MAC callbacks */
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FAR struct mac802154_radiocb_s radiocb; /* Interface to bind to radio */
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sem_t exclsem; /* Support exclusive access */
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uint8_t nclients; /* Number of notification clients */
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/* Only support a single command at any given time. As of now I see no
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2020-04-13 10:08:03 +02:00
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* condition where you need to have more than one command frame
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* simultaneously
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2017-07-10 00:53:08 +02:00
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*/
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sem_t opsem; /* Exclusive operations */
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2020-04-13 10:08:03 +02:00
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/******************* Fields related to MAC operations *********************/
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2017-07-10 00:53:08 +02:00
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enum mac802154_operation_e curr_op; /* The current overall operation */
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enum ieee802154_cmdid_e curr_cmd; /* Type of the current cmd */
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FAR struct ieee802154_txdesc_s *cmd_desc; /* TX descriptor for current cmd */
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uint8_t nrxusers;
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2019-08-19 17:17:01 +02:00
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struct work_s macop_work;
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2017-07-10 00:53:08 +02:00
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2020-04-13 10:08:03 +02:00
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/******************* Fields related to SCAN operation *********************/
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2017-07-10 00:53:08 +02:00
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uint8_t scanindex;
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2019-08-10 19:03:24 +02:00
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uint8_t edlist[15];
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2017-07-10 00:53:08 +02:00
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uint8_t npandesc;
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struct ieee802154_pandesc_s pandescs[MAC802154_NPANDESC];
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uint8_t panidbeforescan[IEEE802154_PANIDSIZE];
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struct ieee802154_scan_req_s currscan;
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uint32_t scansymdur;
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2020-04-13 10:08:03 +02:00
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/******************* Fields related to notifications **********************/
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2017-07-10 00:53:08 +02:00
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2017-11-01 21:15:21 +01:00
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sq_queue_t primitive_queue; /* Queue of primitives to pass via notify()
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2020-04-13 10:08:03 +02:00
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* callback to registered receivers
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*/
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struct work_s notifwork; /* For deferring notifications to LPWORK queue */
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2017-07-10 00:53:08 +02:00
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2020-04-13 10:08:03 +02:00
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/******************* Tx descriptor queues and pools ***********************/
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2017-07-10 00:53:08 +02:00
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struct ieee802154_txdesc_s txdesc_pool[CONFIG_MAC802154_NTXDESC];
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sem_t txdesc_sem;
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sq_queue_t txdesc_queue;
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sq_queue_t txdone_queue;
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/* Support a singly linked list of transactions that will be sent using the
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* CSMA algorithm. On a non-beacon enabled PAN, these transactions will be
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* sent whenever. On a beacon-enabled PAN, these transactions will be sent
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* during the CAP of the Coordinator's superframe.
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*/
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sq_queue_t csma_queue;
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sq_queue_t gts_queue;
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2020-04-13 10:08:03 +02:00
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/* Support a singly linked list of transactions that will be sent
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* indirectly. This list should only be used by a MAC acting as a
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* coordinator. These transactions will stay here until the data
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* is extracted by the destination device sending a Data Request
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* MAC command or if too much time passes. This list should also
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* be used to populate the address list of the outgoing beacon
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* frame.
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2017-07-10 00:53:08 +02:00
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*/
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sq_queue_t indirect_queue;
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/* Support a singly linked list of frames received */
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sq_queue_t dataind_queue;
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2020-04-13 10:08:03 +02:00
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/************* Fields related to addressing and coordinator ***************/
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2017-07-10 00:53:08 +02:00
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2020-04-13 10:08:03 +02:00
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/* Holds all address information (Extended, Short, and PAN ID) for MAC */
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2017-07-10 00:53:08 +02:00
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struct ieee802154_addr_s addr;
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struct ieee802154_pandesc_s pandesc;
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2020-04-13 10:08:03 +02:00
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/*************** Fields related to beacon-enabled networks ****************/
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2017-07-10 00:53:08 +02:00
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/* Holds attributes pertaining to the superframe specification */
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struct ieee802154_superframespec_s sfspec;
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/* We use 2 beacon frame structures so that we can ping-pong between them
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* while updating the beacon
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*/
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struct ieee802154_beaconframe_s beaconframe[2];
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/* Contents of beacon payload */
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uint8_t beaconpayload[IEEE802154_MAX_BEACON_PAYLOAD_LEN];
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uint8_t beaconpayloadlength;
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2020-04-13 10:08:03 +02:00
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/****************** Fields related to offloading work *********************/
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2017-07-10 00:53:08 +02:00
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/* Work structures for offloading aynchronous work */
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2019-08-19 17:17:01 +02:00
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struct work_s txdone_work;
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2017-07-10 00:53:08 +02:00
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struct work_s rx_work;
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struct work_s purge_work;
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2017-07-10 05:55:48 +02:00
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struct work_s timer_work;
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2017-07-10 00:53:08 +02:00
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2020-04-13 10:08:03 +02:00
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/****************** Uncategorized MAC PIB attributes **********************/
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2017-07-10 00:53:08 +02:00
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/* The maximum time to wait either for a frame intended as a response to a
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* data request frame or for a broadcast frame following a beacon with the
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* Frame Pending field set to one. [1] pg. 127
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*
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* NOTE: This may be able to be a 16-bit or even an 8-bit number. I wasn't
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* sure at the time what the range of reasonable values was.
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*/
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uint32_t max_frame_waittime;
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/* The maximum time (in unit periods) that a transaction is stored by a
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* coordinator and indicated in its beacon.
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*/
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uint16_t trans_persisttime;
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uint8_t dsn; /* Seq. num added to tx data or MAC frame */
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2020-04-13 10:08:03 +02:00
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/* The maximum time, in multiples of aBaseSuperframeDuration, a device
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* shall wait for a response command frame to be available following a
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* request command frame. [1] 128.
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2017-07-10 00:53:08 +02:00
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*/
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uint8_t resp_waittime;
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/* The total transmit duration (including PHY header and FCS) specified in
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* symbols. [1] pg. 129.
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*/
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uint32_t tx_totaldur;
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/* Start of 8-bit bitfield */
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uint32_t trackingbeacon : 1; /* Are we tracking the beacon */
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uint32_t isassoc : 1; /* Are we associated to the PAN */
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uint32_t autoreq : 1; /* Automatically send data req. if addr
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* addr is in the beacon frame */
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uint32_t gtspermit : 1; /* Is PAN Coord. accepting GTS reqs. */
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uint32_t promisc : 1; /* Is promiscuous mode on? */
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uint32_t rngsupport : 1; /* Does MAC sublayer support ranging */
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uint32_t sec_enabled : 1; /* Does MAC sublayer have security en. */
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uint32_t timestamp_support : 1; /* Does MAC layer supports timestamping */
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/* End of 8-bit bitfield */
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/* Start of 32-bit bitfield */
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2020-04-13 10:08:03 +02:00
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/* The offset, measured is symbols, between the symbol boundary at which
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2017-07-10 00:53:08 +02:00
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* MLME captures the timestamp of each transmitted and received frame, and
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* the onset of the first symbol past the SFD, namely the first symbol of
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* the frames [1] pg. 129.
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*/
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uint32_t sync_symboffset : 12;
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uint32_t txctrl_activedur : 17; /* Duration for which tx is permitted to
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* be active */
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uint32_t txctrl_pausedur : 1; /* Duration after tx before another tx is
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* permitted. 0=2000, 1= 10000 */
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/* What type of device is this node acting as */
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enum ieee802154_devmode_e devmode : 2;
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/* End of 32-bit bitfield */
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/* Start of 32-bit bitfield */
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uint32_t beacon_txtime : 24; /* Time of last beacon transmit */
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uint32_t minbe : 4; /* Min value of backoff exponent (BE) */
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uint32_t maxbe : 4; /* Max value of backoff exponent (BE) */
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/* End of 32-bit bitfield */
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/* Start of 8-bit bitfield */
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uint8_t bf_ind : 1; /* Ping-pong index for beacon frame */
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uint8_t beaconupdate : 1; /* Does the beacon frame need to be updated */
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uint8_t max_csmabackoffs : 3; /* Max num backoffs for CSMA algorithm
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* before declaring ch access failure */
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uint8_t maxretries : 3; /* Max # of retries allowed after tx fail */
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2020-04-13 10:08:03 +02:00
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2017-07-10 00:53:08 +02:00
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/* End of 8-bit bitfield. */
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/* Start of 8-bit bitfield */
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uint8_t rxonidle : 1; /* Receiver on when idle? */
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/* End of 8-bit bitfield. */
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/* TODO: Add Security-related MAC PIB attributes */
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};
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/****************************************************************************
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* Function Prototypes
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****************************************************************************/
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2017-11-01 21:15:21 +01:00
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int mac802154_txdesc_alloc(FAR struct ieee802154_privmac_s *priv,
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FAR struct ieee802154_txdesc_s **txdesc, bool allow_interrupt);
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2017-07-10 00:53:08 +02:00
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void mac802154_setupindirect(FAR struct ieee802154_privmac_s *priv,
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2017-11-01 21:15:21 +01:00
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FAR struct ieee802154_txdesc_s *txdesc);
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2017-07-10 00:53:08 +02:00
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void mac802154_createdatareq(FAR struct ieee802154_privmac_s *priv,
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2017-11-01 21:15:21 +01:00
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FAR struct ieee802154_addr_s *coordaddr,
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enum ieee802154_addrmode_e srcmode,
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FAR struct ieee802154_txdesc_s *txdesc);
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2017-07-10 00:53:08 +02:00
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void mac802154_updatebeacon(FAR struct ieee802154_privmac_s *priv);
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2017-11-01 21:15:21 +01:00
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void mac802154_notify(FAR struct ieee802154_privmac_s *priv,
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FAR struct ieee802154_primitive_s *primitive);
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2017-07-10 00:53:08 +02:00
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/****************************************************************************
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* Helper Macros/Inline Functions
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****************************************************************************/
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#define mac802154_putpanid(iob, panid) \
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do \
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{ \
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IEEE802154_PANIDCOPY(&iob->io_data[iob->io_len], panid); \
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iob->io_len += IEEE802154_PANIDSIZE; \
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} \
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while(0)
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#define mac802154_putsaddr(iob, saddr) \
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do \
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{ \
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IEEE802154_SADDRCOPY(&iob->io_data[iob->io_len], saddr); \
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iob->io_len += IEEE802154_SADDRSIZE; \
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} \
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while(0)
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2019-08-10 20:25:13 +02:00
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/* The IEEE 802.15.4 Standard is confusing with regards to byte-order for
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* extended address. More research discovers that the extended address should
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* be sent in reverse-canonical form.
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*/
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2017-07-10 00:53:08 +02:00
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#define mac802154_puteaddr(iob, eaddr) \
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do \
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{ \
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2019-08-10 20:25:13 +02:00
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for (int index = IEEE802154_EADDRSIZE - 1; index >= 0; index--) \
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{ \
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iob->io_data[iob->io_len++] = eaddr[index]; \
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} \
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2017-07-10 00:53:08 +02:00
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} \
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while(0)
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#define mac802154_takepanid(iob, panid) \
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do \
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{ \
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IEEE802154_PANIDCOPY(panid, &iob->io_data[iob->io_offset]); \
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iob->io_offset += IEEE802154_PANIDSIZE; \
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} \
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while(0)
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#define mac802154_takesaddr(iob, saddr) \
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do \
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{ \
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IEEE802154_SADDRCOPY(saddr, &iob->io_data[iob->io_offset]); \
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iob->io_offset += IEEE802154_SADDRSIZE; \
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} \
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while(0)
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2019-08-10 20:25:13 +02:00
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/* The IEEE 802.15.4 Standard is confusing with regards to byte-order for
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* extended address. More research discovers that the extended address should
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* be sent in reverse-canonical form.
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*/
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2017-07-10 00:53:08 +02:00
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#define mac802154_takeeaddr(iob, eaddr) \
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do \
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{ \
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2019-08-10 20:25:13 +02:00
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for (int index = IEEE802154_EADDRSIZE - 1; index >= 0; index--) \
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{ \
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eaddr[index] = iob->io_data[iob->io_offset++]; \
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} \
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2017-07-10 00:53:08 +02:00
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} \
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while(0)
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/* General helper macros ****************************************************/
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/* GET 16-bit data: source in network order, result in host order */
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#define GETHOST16(ptr,index) \
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((((uint16_t)((ptr)[(index) + 1])) << 8) | ((uint16_t)(((ptr)[index]))))
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/* GET 16-bit data: source in network order, result in network order */
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#define GETNET16(ptr,index) \
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((((uint16_t)((ptr)[index])) << 8) | ((uint16_t)(((ptr)[(index) + 1]))))
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/* PUT 16-bit data: source in host order, result in network order */
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#define PUTHOST16(ptr,index,value) \
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do \
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{ \
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(ptr)[index] = (uint16_t)(value) & 0xff; \
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(ptr)[index + 1] = ((uint16_t)(value) >> 8) & 0xff; \
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} \
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while(0)
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/* Set bit in 16-bit value: source in host order, result in network order. */
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#define IEEE802154_SETBITS_U16(ptr,index,value) \
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do \
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{ \
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(ptr)[index] |= (uint16_t)(value) & 0xff; \
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(ptr)[index + 1] |= ((uint16_t)(value) >> 8) & 0xff; \
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} \
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while(0)
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/* Helper macros for setting/receiving bits for frame control field */
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#define IEEE802154_SETFTYPE(ptr, index, ftype) \
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IEEE802154_SETBITS_U16(ptr, index, (ftype << IEEE802154_FRAMECTRL_SHIFT_FTYPE))
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#define IEEE802154_SETACKREQ(ptr, index) \
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IEEE802154_SETBITS_U16(ptr, index, IEEE802154_FRAMECTRL_ACKREQ)
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#define IEEE802154_SETDADDRMODE(ptr, index, mode) \
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IEEE802154_SETBITS_U16(ptr, index, (mode << IEEE802154_FRAMECTRL_SHIFT_DADDR))
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#define IEEE802154_SETSADDRMODE(ptr, index, mode) \
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IEEE802154_SETBITS_U16(ptr, index, (mode << IEEE802154_FRAMECTRL_SHIFT_SADDR))
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#define IEEE802154_SETPANIDCOMP(ptr, index) \
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IEEE802154_SETBITS_U16(ptr, index, IEEE802154_FRAMECTRL_PANIDCOMP)
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#define IEEE802154_SETVERSION(ptr, index, version) \
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IEEE802154_SETBITS_U16(ptr, index, (version << IEEE802154_FRAMECTRL_SHIFT_VERSION))
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/* Helper macros for setting/receiving bits for superframe specification */
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#define IEEE802154_SETBEACONORDER(ptr, index, val) \
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IEEE802154_SETBITS_U16(ptr, index, (val << IEEE802154_SFSPEC_SHIFT_BEACONORDER))
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#define IEEE802154_SETSFORDER(ptr, index, val) \
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IEEE802154_SETBITS_U16(ptr, index, (val << IEEE802154_SFSPEC_SHIFT_SFORDER))
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#define IEEE802154_SETFINCAPSLOT(ptr, index, val) \
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IEEE802154_SETBITS_U16(ptr, index, (val << IEEE802154_SFSPEC_SHIFT_FINCAPSLOT))
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#define IEEE802154_SETBLE(ptr, index) \
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IEEE802154_SETBITS_U16(ptr, index, IEEE802154_SFSPEC_BLE)
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#define IEEE802154_SETPANCOORD(ptr, index) \
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IEEE802154_SETBITS_U16(ptr, index, IEEE802154_SFSPEC_PANCOORD)
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#define IEEE802154_SETASSOCPERMIT(ptr, index) \
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IEEE802154_SETBITS_U16(ptr, index, IEEE802154_SFSPEC_ASSOCPERMIT)
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#define IEEE802154_GETBEACONORDER(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_SFSPEC_BEACONORDER) >> \
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IEEE802154_SFSPEC_SHIFT_BEACONORDER)
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#define IEEE802154_GETSFORDER(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_SFSPEC_SFORDER) >> \
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IEEE802154_SFSPEC_SHIFT_SFORDER)
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#define IEEE802154_GETFINCAPSLOT(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_SFSPEC_FINCAPSLOT) >> \
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IEEE802154_SFSPEC_SHIFT_FINCAPSLOT)
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#define IEEE802154_GETBLE(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_SFSPEC_BLE) >> \
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IEEE802154_SFSPEC_SHIFT_BLE)
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#define IEEE802154_GETPANCOORD(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_SFSPEC_PANCOORD) >> \
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IEEE802154_SFSPEC_SHIFT_PANCOORD)
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#define IEEE802154_GETASSOCPERMIT(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_SFSPEC_ASSOCPERMIT) >> \
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IEEE802154_SFSPEC_SHIFT_ASSOCPERMIT)
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/* Helper macros for setting/receiving bits for GTS specification */
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#define IEEE802154_GETGTSDESCCOUNT(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_GTSSPEC_DESCCOUNT) >> \
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IEEE802154_GTSSPEC_SHIFT_DESCCOUNT)
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#define IEEE802154_GETGTSPERMIT(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_GTSSPEC_PERMIT) >> \
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IEEE802154_GTSSPEC_SHIFT_PERMIT)
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/* Helper macros for setting/receiving bits for GTS Directions */
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#define IEEE802154_GETGTSDIRMASK(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_GTSDIR_MASK) >> \
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IEEE802154_GTSDIR_SHIFT_MASK)
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2020-04-13 10:08:03 +02:00
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/* Helper macros for setting/receiving bits for Pending Address */
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2017-07-10 00:53:08 +02:00
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#define IEEE802154_GETNPENDSADDR(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_PENDADDR_NSADDR) >> \
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IEEE802154_PENDADDR_SHIFT_NSADDR)
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#define IEEE802154_GETNPENDEADDR(ptr, index) \
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((GETHOST16(ptr, index) & IEEE802154_PENDADDR_NEADDR) >> \
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IEEE802154_PENDADDR_SHIFT_NEADDR)
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/* General helpers **********************************************************/
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2017-11-01 21:15:21 +01:00
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#define mac802154_givesem(s) nxsem_post(s)
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2017-07-10 00:53:08 +02:00
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static inline int mac802154_takesem(sem_t *sem, bool allowinterrupt)
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{
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2020-01-02 17:49:34 +01:00
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if (allowinterrupt)
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2017-07-10 00:53:08 +02:00
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{
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2020-01-02 17:49:34 +01:00
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return nxsem_wait(sem);
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}
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else
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{
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return nxsem_wait_uninterruptible(sem);
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2017-07-10 00:53:08 +02:00
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}
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}
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2017-07-10 05:57:11 +02:00
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#ifdef CONFIG_MAC802154_LOCK_VERBOSE
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2017-07-10 00:53:08 +02:00
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#define mac802154_unlock(dev) \
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mac802154_givesem(&dev->exclsem); \
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wlinfo("MAC unlocked\n");
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2017-07-10 05:57:11 +02:00
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#else
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#define mac802154_unlock(dev) \
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mac802154_givesem(&dev->exclsem);
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#endif
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2017-07-10 00:53:08 +02:00
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#define mac802154_lock(dev, allowinterrupt) \
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mac802154_lockpriv(dev, allowinterrupt, __FUNCTION__)
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2020-04-13 10:08:03 +02:00
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static inline int
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mac802154_lockpriv(FAR struct ieee802154_privmac_s *dev,
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bool allowinterrupt, FAR const char *funcname)
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2017-07-10 00:53:08 +02:00
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{
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int ret;
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2017-07-10 05:57:11 +02:00
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#ifdef CONFIG_MAC802154_LOCK_VERBOSE
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2017-07-10 00:53:08 +02:00
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wlinfo("Locking MAC: %s\n", funcname);
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2017-07-10 05:57:11 +02:00
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#endif
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2017-07-10 00:53:08 +02:00
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ret = mac802154_takesem(&dev->exclsem, allowinterrupt);
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if (ret < 0)
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{
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2017-07-10 05:57:11 +02:00
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wlwarn("Failed to lock MAC\n");
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2017-07-10 00:53:08 +02:00
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}
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else
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{
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2017-07-10 05:57:11 +02:00
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#ifdef CONFIG_MAC802154_LOCK_VERBOSE
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2017-07-10 00:53:08 +02:00
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wlinfo("MAC locked\n");
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2017-07-10 05:57:11 +02:00
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#endif
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2017-07-10 00:53:08 +02:00
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}
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return ret;
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}
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_txdesc_free(FAR struct ieee802154_privmac_s *priv,
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FAR struct ieee802154_txdesc_s *txdesc)
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2017-07-10 00:53:08 +02:00
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{
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sq_addlast((FAR sq_entry_t *)txdesc, &priv->txdesc_queue);
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mac802154_givesem(&priv->txdesc_sem);
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}
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2017-07-10 05:55:48 +02:00
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/****************************************************************************
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* Name: mac802154_symtoticks
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*
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* Description:
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* Helper function for converting symbols to system clock ticks
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*
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* Assumptions:
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* priv MAC struct is locked when calling.
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*
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****************************************************************************/
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2020-04-13 10:08:03 +02:00
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static inline uint32_t
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mac802154_symtoticks(FAR struct ieee802154_privmac_s *priv, uint32_t symbols)
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2017-07-10 05:55:48 +02:00
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{
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union ieee802154_attr_u attrval;
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uint32_t ret;
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/* First, get the symbol duration from the radio layer. Symbol duration is
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* returned in picoseconds to ensure precision is kept when multiplying to
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* get overall times.
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*/
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priv->radio->getattr(priv->radio, IEEE802154_ATTR_PHY_SYMBOL_DURATION,
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&attrval);
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/* After this step, ret represents microseconds */
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ret = ((uint64_t)attrval.phy.symdur_picosec * symbols) / (1000 * 1000);
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2020-04-13 10:08:03 +02:00
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/* This method should only be used for things that can be late. For
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* instance, it's always okay to wait a little longer before disabling
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* your receiver. Therefore, we force the tick count to round up.
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2017-07-10 05:55:48 +02:00
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*/
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if (ret % USEC_PER_TICK == 0)
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{
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2020-04-13 10:08:03 +02:00
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ret = ret / USEC_PER_TICK;
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2017-07-10 05:55:48 +02:00
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}
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else
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{
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2020-04-13 10:08:03 +02:00
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ret = ret / USEC_PER_TICK;
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2017-07-10 05:55:48 +02:00
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ret++;
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}
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return ret;
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}
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/****************************************************************************
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* Name: mac802154_timerstart
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*
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* Description:
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* Helper function wrapping the watchdog timer interface. Helps isolate
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* different operations from having to worry about work queues and watchdog
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* timers.
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*
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* Assumptions:
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* priv MAC struct is locked when calling.
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*
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****************************************************************************/
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_timerstart(FAR struct ieee802154_privmac_s *priv,
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2017-07-10 05:55:48 +02:00
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uint32_t numsymbols, worker_t worker)
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{
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DEBUGASSERT(work_available(&priv->timer_work));
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2020-04-13 10:08:03 +02:00
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/* Schedule the work
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* converting the number of symbols to the number of CPU ticks
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*/
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2017-07-10 05:55:48 +02:00
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2017-11-01 21:15:21 +01:00
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work_queue(HPWORK, &priv->timer_work, worker, priv,
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2017-07-10 05:55:48 +02:00
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mac802154_symtoticks(priv, numsymbols));
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}
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2017-07-10 00:53:08 +02:00
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/****************************************************************************
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* Name: mac802154_timercancel
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*
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* Description:
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* Cancel timer and remove reference to callback function
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*
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* Assumptions:
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* priv MAC struct is locked when calling.
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*
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****************************************************************************/
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2020-04-13 10:08:03 +02:00
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static inline int
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mac802154_timercancel(FAR struct ieee802154_privmac_s *priv)
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2017-07-10 00:53:08 +02:00
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{
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2017-11-01 21:15:21 +01:00
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work_cancel(HPWORK, &priv->timer_work);
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2017-07-10 00:53:08 +02:00
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wlinfo("Timer cancelled\n");
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return OK;
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}
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_rxenable(FAR struct ieee802154_privmac_s *priv)
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2017-07-10 00:53:08 +02:00
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{
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priv->nrxusers++;
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/* If this is the first user, actually enable the receiver */
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if (priv->nrxusers == 1)
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{
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wlinfo("Receiver enabled\n");
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priv->radio->rxenable(priv->radio, true);
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}
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}
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_rxdisable(FAR struct ieee802154_privmac_s *priv)
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2017-07-10 00:53:08 +02:00
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{
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priv->nrxusers--;
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/* If this is the first user, actually enable the receiver */
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if (priv->nrxusers == 0)
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{
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wlinfo("Receiver disabled\n");
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priv->radio->rxenable(priv->radio, false);
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}
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}
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_setchannel(FAR struct ieee802154_privmac_s *priv,
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uint8_t channel)
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2017-07-10 00:53:08 +02:00
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{
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priv->radio->setattr(priv->radio, IEEE802154_ATTR_PHY_CHAN,
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(FAR const union ieee802154_attr_u *)&channel);
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}
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_setchpage(FAR struct ieee802154_privmac_s *priv,
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uint8_t chpage)
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2017-07-10 00:53:08 +02:00
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{
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priv->radio->setattr(priv->radio, IEEE802154_ATTR_PHY_CURRENT_PAGE,
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(FAR const union ieee802154_attr_u *)&chpage);
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}
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2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_setpanid(FAR struct ieee802154_privmac_s *priv,
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FAR const uint8_t *panid)
|
2017-07-10 00:53:08 +02:00
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{
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IEEE802154_PANIDCOPY(priv->addr.panid, panid);
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priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_PANID,
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(FAR const union ieee802154_attr_u *)panid);
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}
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|
2020-04-13 10:08:03 +02:00
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static inline void
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mac802154_setsaddr(FAR struct ieee802154_privmac_s *priv,
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FAR const uint8_t *saddr)
|
2017-07-10 00:53:08 +02:00
|
|
|
{
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IEEE802154_SADDRCOPY(priv->addr.saddr, saddr);
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priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_SADDR,
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(FAR const union ieee802154_attr_u *)saddr);
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}
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|
2020-04-13 10:08:03 +02:00
|
|
|
static inline void
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|
|
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mac802154_setcoordsaddr(FAR struct ieee802154_privmac_s *priv,
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|
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FAR const uint8_t *saddr)
|
2017-07-10 00:53:08 +02:00
|
|
|
{
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|
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IEEE802154_SADDRCOPY(priv->pandesc.coordaddr.saddr, saddr);
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|
|
priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_COORD_SADDR,
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|
|
|
(FAR const union ieee802154_attr_u *)saddr);
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|
|
}
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|
|
|
|
2020-04-13 10:08:03 +02:00
|
|
|
static inline void
|
|
|
|
mac802154_setcoordeaddr(FAR struct ieee802154_privmac_s *priv,
|
|
|
|
FAR const uint8_t *eaddr)
|
2017-07-10 00:53:08 +02:00
|
|
|
{
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|
|
|
IEEE802154_EADDRCOPY(priv->pandesc.coordaddr.eaddr, eaddr);
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|
|
priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_COORD_EADDR,
|
|
|
|
(FAR const union ieee802154_attr_u *)eaddr);
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|
|
|
}
|
|
|
|
|
2020-04-13 10:08:03 +02:00
|
|
|
static inline void
|
|
|
|
mac802154_setcoordaddr(FAR struct ieee802154_privmac_s *priv,
|
|
|
|
FAR const struct ieee802154_addr_s *addr)
|
2017-07-10 00:53:08 +02:00
|
|
|
{
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|
|
|
memcpy(&priv->pandesc.coordaddr, addr, sizeof(struct ieee802154_addr_s));
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|
|
|
priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_COORD_EADDR,
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|
|
|
(FAR const union ieee802154_attr_u *)addr->eaddr);
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|
|
|
priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_COORD_SADDR,
|
|
|
|
(FAR const union ieee802154_attr_u *)addr->saddr);
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|
|
|
}
|
|
|
|
|
2020-04-13 10:08:03 +02:00
|
|
|
static inline void
|
|
|
|
mac802154_setrxonidle(FAR struct ieee802154_privmac_s *priv, bool rxonidle)
|
2017-07-10 00:53:08 +02:00
|
|
|
{
|
2017-09-15 16:04:38 +02:00
|
|
|
priv->rxonidle = rxonidle;
|
2017-07-10 00:53:08 +02:00
|
|
|
if (priv->rxonidle)
|
|
|
|
{
|
|
|
|
mac802154_rxenable(priv);
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
mac802154_rxdisable(priv);
|
|
|
|
}
|
|
|
|
|
|
|
|
priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_RX_ON_WHEN_IDLE,
|
|
|
|
(FAR const union ieee802154_attr_u *)&rxonidle);
|
|
|
|
}
|
|
|
|
|
2020-04-13 10:08:03 +02:00
|
|
|
static inline void
|
|
|
|
mac802154_setdevmode(FAR struct ieee802154_privmac_s *priv, uint8_t mode)
|
2017-07-12 06:53:04 +02:00
|
|
|
{
|
|
|
|
priv->devmode = mode;
|
2017-07-13 09:17:05 +02:00
|
|
|
priv->radio->setattr(priv->radio, IEEE802154_ATTR_MAC_DEVMODE,
|
2017-07-12 06:53:04 +02:00
|
|
|
(FAR const union ieee802154_attr_u *)&mode);
|
|
|
|
}
|
|
|
|
|
2017-07-10 00:53:08 +02:00
|
|
|
#endif /* __WIRELESS_IEEE802154__MAC802154_INTERNAL_H */
|