zephyr/include/net/ieee802154_radio.h

103 lines
3.0 KiB
C

/*
* Copyright (c) 2016 Intel Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file
* @brief Public IEEE 802.15.4 Radio API
*/
#ifndef __IEEE802154_RADIO_H__
#define __IEEE802154_RADIO_H__
#include <device.h>
#include <net/net_if.h>
struct ieee802154_radio_api {
/**
* Mandatory to get in first position.
* A network device should indeed provide a pointer on such
* net_if_api structure. So we make current structure pointer
* that can be casted to a net_if_api structure pointer.
*/
struct net_if_api iface_api;
/** Clear Channel Assesment - Check channel's activity */
int (*cca)(struct device *dev);
/** Set current channel */
int (*set_channel)(struct device *dev, uint16_t channel);
/** Set current PAN id */
int (*set_pan_id)(struct device *dev, uint16_t pan_id);
/** Set current device's short address */
int (*set_short_addr)(struct device *dev, uint16_t short_addr);
/** Set current devices's full length address */
int (*set_ieee_addr)(struct device *dev, const uint8_t *ieee_addr);
/** Set TX power level in dbm */
int (*set_txpower)(struct device *dev, int16_t dbm);
/** Transmit a buffer */
int (*tx)(struct device *dev, struct net_buf *buf);
/** Start the device */
int (*start)(struct device *dev);
/** Stop the device */
int (*stop)(struct device *dev);
/** Get latest Link Quality Information */
uint8_t (*get_lqi)(struct device *dev);
} __packed;
/**
* @brief Radio driver sending function that hw drivers should use
*
* @details This function should be used to fill in struct net_if's send pointer.
*
* @param iface A valid pointer on a network interface to send from
* @param buf A valid pointer on a buffer to send
*
* @return 0 on success, negative value otherwise
*/
extern int ieee802154_radio_send(struct net_if *iface,
struct net_buf *buf);
/**
* @brief Radio driver ACK handling function that hw drivers should use
*
* @details ACK handling requires fast handling and thus such function
* helps to hook direcly the hw drivers to the radio driver.
*
* @param iface A valid pointer on a network interface that received the packet
* @param buf A valid pointer on a buffer to check
*
* @return NET_OK if it was handled, NET_CONTINUE otherwise
*/
extern enum net_verdict ieee802154_radio_handle_ack(struct net_if *iface,
struct net_buf *buf);
/**
* @brief Initialize L2 stack for a given interface
*
* @param iface A valid pointer on a network interface
*/
void ieee802154_init(struct net_if *iface);
#endif /* __IEEE802154_RADIO_H__ */