/**************************************************************************** * wireless/ieee802154/mac802154_reset.c * * Copyright (C) 2016 Sebastien Lorquet. All rights reserved. * Copyright (C) 2017 Gregory Nutt. All rights reserved. * Copyright (C) 2017 Verge Inc. All rights reserved. * * Author: Sebastien Lorquet * Author: Gregory Nutt * Author: Anthony Merlino * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include "mac802154.h" #include "mac802154_internal.h" #include /**************************************************************************** * Public MAC Functions ****************************************************************************/ /**************************************************************************** * Name: mac802154_req_reset * * Description: * The MLME-RESET.request primitive allows the next higher layer to request * that the MLME performs a reset operation. * * NOTE: The standard specifies that confirmation should be provided via * via the asynchronous MLME-RESET.confirm primitve. However, in our * implementation we synchronously return the value immediately. Therefore, * we merge the functionality of the MLME-RESET.request and MLME-RESET.confirm * primitives together. * * Input Parameters: * mac - Handle to the MAC layer instance * resetattr - Whether or not to reset the MAC PIB attributes to defaults * ****************************************************************************/ int mac802154_req_reset(MACHANDLE mac, bool resetattr) { FAR struct ieee802154_privmac_s * priv = (FAR struct ieee802154_privmac_s *) mac; union ieee802154_attr_u attr; if (resetattr) { /* We do not reset the extended address. The extended address must be * manually overwritten. */ priv->radio->reset(priv->radio); priv->isassoc = false; /* Not associated with a PAN */ priv->trackingbeacon = false; /* Not tracking beacon by default */ priv->sfspec.assocpermit = false; /* Dev (if coord) not accepting assoc */ priv->autoreq = true; /* Auto send data req if addr in beacon */ priv->sfspec.ble = false; /* BLE disabled */ priv->beaconpayloadlength = 0; /* Beacon payload NULL */ priv->sfspec.beaconorder = 15; /* Non-beacon enabled network */ priv->sfspec.sforder = 15; /* Length of active portion of outgoing SF */ priv->beacon_txtime = 0; /* Device never sent a beacon */ priv->dsn = 0; /* Data sequence number */ priv->gtspermit = true; /* PAN Coord accepting GTS requests */ priv->minbe = 3; /* Min value of backoff exponent (BE) */ priv->maxbe = 5; /* Max value of backoff exponent (BE) */ priv->max_csmabackoffs = 4; /* Max # of backoffs before failure */ priv->maxretries = 3; /* Max # of retries allowed after failure */ priv->promisc = false; /* Device not in promiscuous mode */ priv->rngsupport = false; /* Ranging not yet supported */ priv->resp_waittime = 32; /* 32 SF durations */ priv->sec_enabled = false; /* Security disabled by default */ priv->tx_totaldur = 0; /* 0 transmit duration */ priv->trans_persisttime = 0x01F4; /* Reset the short address and PAN ID. The extended address does not * get reset. It is a read-only attribute and the radio driver should * be in charge of managing it. We pull a local copy for us to use below. */ priv->addr.mode = IEEE802154_ADDRMODE_EXTENDED; mac802154_setsaddr(priv, IEEE802154_SADDR_UNSPEC); mac802154_setpanid(priv, IEEE802154_PANID_UNSPEC); priv->pandesc.coordaddr.mode = IEEE802154_ADDRMODE_NONE; mac802154_setcoordeaddr(priv, IEEE802154_EADDR_UNSPEC); mac802154_setcoordsaddr(priv, IEEE802154_SADDR_UNSPEC); mac802154_setdevmode(priv, IEEE802154_DEVMODE_ENDPOINT); /* The radio is in control of certain attributes, but we keep a mirror * for easy access. Copy in the radio's values now that they've been * reset. */ priv->radio->getattr(priv->radio, IEEE802154_ATTR_MAC_EADDR, &attr); IEEE802154_EADDRCOPY(priv->addr.eaddr, attr.mac.eaddr); priv->radio->getattr(priv->radio, IEEE802154_ATTR_MAC_MAX_FRAME_WAITTIME, &attr); priv->max_frame_waittime = attr.mac.max_frame_waittime; } priv->nrxusers = 0; return OK; }