ce8f2735ea
Each notification now has a number of clients. When the last client calls free, the notification is freed back to the pool
89 lines
3.7 KiB
C
89 lines
3.7 KiB
C
/****************************************************************************
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* wireless/ieee802154/mac802154_notif.h
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*
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* Copyright (C) 2017 Verge Inc. All rights reserved.
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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*
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* Author: Anthony Merlino <anthony@vergeaero.com>
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* The naming and comments for various fields are taken directly
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* from the IEEE 802.15.4 2011 standard.
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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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#ifndef __WIRELESS_IEEE802154__MAC802154_NOTIF_H
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#define __WIRELESS_IEEE802154__MAC802154_NOTIF_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/* Extend the public ieee802154_notif_s to include a private forward link to
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* support a list to handle allocation
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*/
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struct mac802154_notif_s
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{
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struct ieee802154_notif_s pub; /* Publically visible structure */
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FAR struct mac802154_notif_s *flink; /* Supports a singly linked list */
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uint8_t nclients;
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};
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/****************************************************************************
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* Function Prototypes
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****************************************************************************/
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struct ieee802154_privmac_s; /* Forward Reference */
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void mac802154_notifpool_init(FAR struct ieee802154_privmac_s *priv);
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int mac802154_notif_alloc(FAR struct ieee802154_privmac_s *priv,
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FAR struct ieee802154_notif_s **notif,
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bool allow_interrupt);
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void mac802154_notify(FAR struct ieee802154_privmac_s *priv,
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FAR struct ieee802154_notif_s *notif);
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void mac802154_notif_free_locked(FAR struct ieee802154_privmac_s * priv,
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FAR struct ieee802154_notif_s *notif);
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#endif /* __WIRELESS_IEEE802154__MAC802154_NOTIF_H */ |