587 lines
22 KiB
C
587 lines
22 KiB
C
/****************************************************************************
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* wireless/ieee802154/mac802154.c
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*
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* Copyright (C) 2016 Sebastien Lorquet. All rights reserved.
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* Author: Sebastien Lorquet <sebastien@lorquet.fr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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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 <assert.h>
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#include <debug.h>
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#include <stdlib.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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/* Frame Type */
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#define IEEE802154_FRAME_BEACON 0x00
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#define IEEE802154_FRAME_DATA 0x01
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#define IEEE802154_FRAME_ACK 0x02
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#define IEEE802154_FRAME_COMMAND 0x03
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/* MAC commands */
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#define IEEE802154_CMD_ASSOC_REQ 0x01
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#define IEEE802154_CMD_ASSOC_RSP 0x02
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#define IEEE802154_CMD_DIS_NOT 0x03
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#define IEEE802154_CMD_DATA_REQ 0x04
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#define IEEE802154_CMD_PANID_CONF_NOT 0x05
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#define IEEE802154_CMD_ORPHAN_NOT 0x06
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#define IEEE802154_CMD_BEACON_REQ 0x07
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#define IEEE802154_CMD_COORD_REALIGN 0x08
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#define IEEE802154_CMD_GTS_REQ 0x09
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/* private types */
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/* The privmac structure is an extension of the public ieee802154_mac_s type.
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* It contains storage for 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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struct ieee802154_mac_s pubmac; /* This MUST be the first member */
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/* MIB attributes, grouped to save memory */
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/* 0x40 */ uint8_t macAckWaitDuration : 1; /* 55 or 120(true) */
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/* 0x41 */ uint8_t macAssociationPermit : 1;
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/* 0x42 */ uint8_t macAutoRequest : 1;
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/* 0x43 */ uint8_t macBattLifeExt : 1;
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/* 0x44 */ uint8_t macBattLifeExtPeriods : 1; /* 6 or 8(true) */
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/* 0x4E */ uint8_t macMaxCSMABackoffs : 3; /* 0-5 */
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/* 0x47 */ uint8_t macBeaconOrder : 4;
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/* 0x54 */ uint8_t macSuperframeOrder : 4;
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/* 0x4F */ uint32_t macMinBE : 2;
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/* 0x4D */ uint32_t macGTSPermit : 1;
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/* 0x51 */ uint32_t macPromiscuousMode : 1;
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/* 0x52 */ uint32_t macRxOnWhenIdle : 1;
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uint32_t macPad : 3;
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/* 0x48 */ uint32_t macBeaconTxTime : 24;
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/* 0x45 */ uint8_t macBeaconPayload[MAC802154_aMaxBeaconPayloadLength];
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/* 0x46 */ uint8_t macBeaconPayloadLength;
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/* 0x49 */ uint8_t macBSN;
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/* 0x4A */ uint8_t macCoordExtendedAddress[8];
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/* 0x4B */ uint16_t macCoordShortAddress;
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/* 0x4C */ uint8_t macDSN;
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/* 0x50 */ uint16_t macPANId;
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/* 0x53 */ uint16_t macShortAddress;
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/* 0x55 */ uint16_t macTransactionPersistenceTime;
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#if 0
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/* Security MIB */
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/* 0x70 */ macACLEntryDescriptorSet
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/* 0x71 */ macACLEntryDescriptorSetSize
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/* 0x74 */ macDefaultSecurityMaterial
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/* 0x72 */ macDefaultSecurity:1
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/* 0x75 */ macDefaultSecuritySuite:3
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/* 0x73 */ macDefaultSecurityMaterialLength:6
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/* 0x76 */ macSecurityMode:2
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#endif
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};
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/* forward declarations */
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static int mac802154_reqdata (struct ieee802154_mac_s *mac,
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uint8_t handle,
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uint8_t *buf,
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int len);
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static int mac802154_reqpurge (struct ieee802154_mac_s *mac,
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uint8_t handle);
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static int mac802154_reqassociate (struct ieee802154_mac_s *mac,
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uint16_t panid,
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uint8_t *coordeadr);
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static int mac802154_reqdisassociate(struct ieee802154_mac_s *mac,
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uint8_t *eadr,
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uint8_t reason);
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static int mac802154_reqget (struct ieee802154_mac_s *mac,
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int attribute);
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static int mac802154_reqgts (struct ieee802154_mac_s *mac,
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uint8_t* characteristics);
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static int mac802154_reqreset (struct ieee802154_mac_s *mac,
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bool setdefaults);
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static int mac802154_reqrxenable (struct ieee802154_mac_s *mac,
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bool deferrable,
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int ontime,
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int duration);
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static int mac802154_reqscan (struct ieee802154_mac_s *mac,
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uint8_t type,
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uint32_t channels,
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int duration);
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static int mac802154_reqset (struct ieee802154_mac_s *mac,
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int attribute,
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uint8_t *value,
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int valuelen);
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static int mac802154_reqstart (struct ieee802154_mac_s *mac,
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uint16_t panid,
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int channel,
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uint8_t bo,
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uint8_t fo,
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bool coord,
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bool batext,
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bool realign);
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static int mac802154_reqsync (struct ieee802154_mac_s *mac,
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int channel,
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bool track);
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static int mac802154_reqpoll (struct ieee802154_mac_s *mac,
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uint8_t *coordaddr);
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static int mac802154_rspassociate (struct ieee802154_mac_s *mac,
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uint8_t eadr,
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uint16_t saddr,
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int status);
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static int mac802154_rsporphan (struct ieee802154_mac_s *mac,
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uint8_t *orphanaddr,
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uint16_t saddr,
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bool associated);
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/* data */
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static const struct ieee802154_macops_s mac802154ops =
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{
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.req_data = mac802154_reqdata
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.req_purge = mac802154_reqpurge
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.req_associate = mac802154_reqassociate
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.req_disassociate= mac802154_reqdisassociate
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.req_get = mac802154_reqget
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.req_gts = mac802154_reqgts
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.req_reset = mac802154_reqreset
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.req_rxenable = mac802154_reqrxenable
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.req_scan = mac802154_reqscan
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.req_set = mac802154_reqset
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.req_start = mac802154_reqstart
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.req_sync = mac802154_reqsync
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.req_poll = mac802154_reqpoll
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.rsp_associate = mac802154_rspassociate
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.rsp_orphan = mac802154_rsporphan
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};
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: mac802154_defaultmib
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*
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* Description:
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* Set the MIB to its default values.
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*
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****************************************************************************/
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static int mac802154_defaultmib(FAR struct ieee802154_privmac_s *priv)
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{
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priv->macAckWaitDuration = 0;
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priv->macAssociationPermit = 0;
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priv->macAutoRequest = 1;
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priv->macBattLifeExt = 0;
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priv->macBattLifeExtPeriods = 0;
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priv->macMaxCSMABackoffs = 4;
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priv->macBeaconOrder = 15;
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priv->macSuperframeOrder = 15;
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priv->macMinBE = 3;
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priv->macGTSPermit = 1;
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priv->macPromiscuousMode = 0;
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priv->macRxOnWhenIdle = 0;
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priv->macBeaconTxTime = 0x000000;
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priv->macBeaconPayloadLength = 0;
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priv->macBSN = 0; /*shall be random*/
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priv->macCoordExtendedAddress[8];
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priv->macCoordShortAddress = 0xffff;
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priv->macDSN = 0 /*shall be random*/;
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priv->macPANId = 0xffff;
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priv->macShortAddress = 0xffff;
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priv->macTransactionPersistenceTime = 0x01f4;
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#if 0
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/* Security MIB */
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priv->macACLEntryDescriptorSetSize = 0;
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priv->macDefaultSecurity = 0;
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priv->macDefaultSecuritySuite = 0;
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priv->macDefaultSecurityMaterialLength = 0x15;
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priv->macSecurityMode = 0;
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#endif
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}
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/****************************************************************************
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* Name: mac802154_applymib
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*
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* Description:
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* Some parts of the MIB must be sent to the radio device. This routine
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* calls the radio device routines to store the related parameters in the
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* radio driver. It must be called each time a MIB parameter is changed.
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*
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****************************************************************************/
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static int mac802154_applymib(FAR struct ieee802154_privmac_s *priv)
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{
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return OK;
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}
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/****************************************************************************
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* API Functions
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****************************************************************************/
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/****************************************************************************
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* Name: mac802154_reqdata
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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 ieee802154_maccb_s->conf_data callback.
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*
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****************************************************************************/
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static int mac802154_reqdata(FAR struct ieee802154_mac_s *mac,
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uint8_t handle,
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uint8_t *buf,
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int len)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqpurge
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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 an
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* MSDU from the transaction queue. Confirmation is returned via
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* the struct ieee802154_maccb_s->conf_purge callback.
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*
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****************************************************************************/
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static int mac802154_reqpurge(FAR struct ieee802154_mac_s *mac,
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uint8_t handle)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqassociate
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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 ieee802154_maccb_s->conf_associate callback.
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*
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****************************************************************************/
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static int mac802154_reqassociate(FAR struct ieee802154_mac_s *mac,
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uint16_t panid,
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uint8_t *coordeadr)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqdisassociate
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*
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* Description:
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* The MLME-DISASSOCIATE.request primitive is used by an associated device to
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* notify the coordinator of its intent to leave the PAN. It is also used by
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* the coordinator to instruct an associated device to leave the PAN.
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* Confirmation is returned via the
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* struct ieee802154_maccb_s->conf_disassociate callback.
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*
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****************************************************************************/
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static int mac802154_reqdisassociate(FAR struct ieee802154_mac_s *mac,
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uint8_t *eadr,
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uint8_t reason)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqget
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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. Actual data is returned via the
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* struct ieee802154_maccb_s->conf_get callback.
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*
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****************************************************************************/
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static int mac802154_reqget(FAR struct ieee802154_mac_s *mac,
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int attribute)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqgts
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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 PAN
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* 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 ieee802154_maccb_s->conf_gts callback.
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*
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****************************************************************************/
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static int mac802154_reqgts(FAR struct ieee802154_mac_s *mac,
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uint8_t* characteristics)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqreset
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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. Confirmation is returned via
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* the struct ieee802154_maccb_s->conf_reset callback.
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*
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****************************************************************************/
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static int mac802154_reqreset(FAR struct ieee802154_mac_s *mac,
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bool setdefaults)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqrxenable
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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 ieee802154_maccb_s->conf_rxenable callback.
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*
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****************************************************************************/
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static int mac802154_reqrxenable(FAR struct ieee802154_mac_s *mac,
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bool deferrable,
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int ontime,
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int duration)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqscan
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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 a
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* given list of channels. A device can use a channel scan to measure the
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* energy on the channel, search for the coordinator with which it associated,
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* or search for all coordinators transmitting beacon frames within the POS of
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* the scanning device. Scan results are returned
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* via MULTIPLE calls to the struct ieee802154_maccb_s->conf_scan callback.
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* This is a difference with the official 802.15.4 specification, implemented
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* here to save memory.
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*
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****************************************************************************/
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static int mac802154_reqscan(FAR struct ieee802154_mac_s *mac,
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uint8_t type,
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uint32_t channels,
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int duration)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqset
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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. Confirmation is returned via the
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* struct ieee802154_maccb_s->conf_set callback.
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*
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****************************************************************************/
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static int mac802154_reqset(FAR struct ieee802154_mac_s *mac,
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int attribute,
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uint8_t *value,
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int valuelen)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqstart
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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 start
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* using a new superframe configuration. Confirmation is returned
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* via the struct ieee802154_maccb_s->conf_start callback.
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*
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****************************************************************************/
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static int mac802154_reqstart(FAR struct ieee802154_mac_s *mac,
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uint16_t panid,
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int channel,
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uint8_t bo,
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uint8_t fo,
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bool coord,
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bool batext,
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bool realign)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqsync
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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 ieee802154_maccb_s->int_commstatus callback. TOCHECK.
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*
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****************************************************************************/
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static int mac802154_reqsync(FAR struct ieee802154_mac_s *mac,
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int channel,
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bool track)
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{
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FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
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return -ENOTTY;
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}
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/****************************************************************************
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* Name: mac802154_reqpoll
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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 the
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* coordinator. Confirmation is returned via the
|
|
* struct ieee802154_maccb_s->conf_poll callback, followed by a
|
|
* struct ieee802154_maccb_s->ind_data callback.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int mac802154_reqpoll(FAR struct ieee802154_mac_s *mac,
|
|
uint8_t *coordaddr)
|
|
{
|
|
FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
|
|
return -ENOTTY;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: mac802154_rspassociate
|
|
*
|
|
* Description:
|
|
* The MLME-ASSOCIATE.response primitive is used to initiate a response to an
|
|
* MLME-ASSOCIATE.indication primitive.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int mac802154_rspassociate(FAR struct ieee802154_mac_s *mac,
|
|
uint8_t eadr,
|
|
uint16_t saddr,
|
|
int status)
|
|
{
|
|
FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
|
|
return -ENOTTY;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: mac802154_rsporphan
|
|
*
|
|
* Description:
|
|
* The MLME-ORPHAN.response primitive allows the next higher layer of a
|
|
* coordinator to respond to the MLME-ORPHAN.indication primitive.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int mac802154_rsporphan(FAR struct ieee802154_mac_s *mac,
|
|
uint8_t *orphanaddr,
|
|
uint16_t saddr,
|
|
bool associated)
|
|
{
|
|
FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac;
|
|
return -ENOTTY;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: mac802154_register
|
|
*
|
|
* Description:
|
|
* Create a 802.15.4 MAC device from a 802.15.4 compatible radio device.
|
|
*
|
|
****************************************************************************/
|
|
|
|
FAR struct ieee802154_mac_s * mac802154_register(FAR struct ieee802154_radio_s *radiodev, unsigned int minor)
|
|
{
|
|
FAR struct ieee802154_privmac_s *mac;
|
|
|
|
/* allocate object */
|
|
mac = (FAR struct ieee802154_privmac_s *)kmm_zalloc(sizeof(struct ieee802154_privmac_s));
|
|
if(!mac)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
/* init fields */
|
|
mac->pubmac.radio = radiodev;
|
|
mac->pubmac.ops = mac802154ops;
|
|
mac802154_defaultmib(mac);
|
|
mac802154_applymib(mac);
|
|
return &mac->pubmac;
|
|
}
|
|
|