/*
 * Copyright (c) 2017 Intel Corporation.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @file
 * @brief IEEE 802.15.4 Management interface public header
 *
 * All references to the standard in this file cite IEEE 802.15.4-2020.
 */

#ifndef ZEPHYR_INCLUDE_NET_IEEE802154_MGMT_H_
#define ZEPHYR_INCLUDE_NET_IEEE802154_MGMT_H_

#include <zephyr/net/ieee802154.h>
#include <zephyr/net/net_mgmt.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @brief IEEE 802.15.4 net management library
 * @defgroup ieee802154_mgmt IEEE 802.15.4 Net Management Library
 * @ingroup networking
 * @{
 */


#define _NET_IEEE802154_LAYER	NET_MGMT_LAYER_L2
#define _NET_IEEE802154_CODE	0x154
#define _NET_IEEE802154_BASE	(NET_MGMT_IFACE_BIT |			\
				 NET_MGMT_LAYER(_NET_IEEE802154_LAYER) |\
				 NET_MGMT_LAYER_CODE(_NET_IEEE802154_CODE))
#define _NET_IEEE802154_EVENT	(_NET_IEEE802154_BASE | NET_MGMT_EVENT_BIT)

/* All attributes and parameters are given in CPU byte order
 * (scalars) or big endian (byte arrays) unless otherwise
 * specified.
 *
 * The following IEEE 802.15.4 MAC management service primitives
 * are referenced below:
 *  - MLME-ASSOCIATE.request, see section 8.2.3
 *  - MLME-DISASSOCIATE.request, see section 8.2.4
 *  - MLME-SET/GET.request, see section 8.2.6
 *  - MLME-SCAN.request, see section 8.2.11
 *
 * The following IEEE 802.15.4 MAC data service primitives
 * are referenced below:
 *  - MLME-DATA.request, see section 8.3.2
 *
 * MAC PIB attributes (mac.../sec...): see sections 8.4.3 and 9.5.
 * PHY PIB attributes (phy...): see section 11.3.
 * Both are accessed through MLME-SET/GET primitives.
 */
enum net_request_ieee802154_cmd {
	NET_REQUEST_IEEE802154_CMD_SET_ACK = 1,	   /* sets AckTx for all subsequent
						    * MLME-DATA (aka TX) requests
						    */
	NET_REQUEST_IEEE802154_CMD_UNSET_ACK,	   /* unsets AckTx for all subsequent
						    * MLME-DATA requests
						    */
	NET_REQUEST_IEEE802154_CMD_PASSIVE_SCAN,   /* MLME-SCAN(PASSIVE, ...) request */
	NET_REQUEST_IEEE802154_CMD_ACTIVE_SCAN,	   /* MLME-SCAN(ACTIVE, ...) request */
	NET_REQUEST_IEEE802154_CMD_CANCEL_SCAN,	   /* not-standard */
	NET_REQUEST_IEEE802154_CMD_ASSOCIATE,	   /* MLME-ASSOCIATE(...) request */
	NET_REQUEST_IEEE802154_CMD_DISASSOCIATE,   /* MLME-DISASSOCIATE(...) request */
	NET_REQUEST_IEEE802154_CMD_SET_CHANNEL,	   /* MLME-SET(phyCurrentChannel) request */
	NET_REQUEST_IEEE802154_CMD_GET_CHANNEL,	   /* MLME-GET(phyCurrentChannel) request */
	NET_REQUEST_IEEE802154_CMD_SET_PAN_ID,	   /* MLME-SET(macPanId) request */
	NET_REQUEST_IEEE802154_CMD_GET_PAN_ID,	   /* MLME-GET(macPanId) request */
	NET_REQUEST_IEEE802154_CMD_SET_EXT_ADDR,   /* non-standard, see chapters 7.1 and 8.4.3.1, in
						    * big endian byte order
						    */
	NET_REQUEST_IEEE802154_CMD_GET_EXT_ADDR,   /* like MLME-GET(macExtendedAddress) but in big
						    * endian byte order
						    */
	NET_REQUEST_IEEE802154_CMD_SET_SHORT_ADDR, /* MLME-SET(macShortAddress) request, only
						    * allowed for co-ordinators
						    */
	NET_REQUEST_IEEE802154_CMD_GET_SHORT_ADDR, /* MLME-GET(macShortAddress) request */
	NET_REQUEST_IEEE802154_CMD_GET_TX_POWER, /* MLME-SET(phyUnicastTxPower/phyBroadcastTxPower)
						  * request (currently not distinguished)
						  */
	NET_REQUEST_IEEE802154_CMD_SET_TX_POWER, /* MLME-GET(phyUnicastTxPower/phyBroadcastTxPower)
						  * request
						  */

	NET_REQUEST_IEEE802154_CMD_SET_SECURITY_SETTINGS, /* implies macSecurityEnabled=true,
							   * configures basic sec* MAC PIB
							   * attributes
							   */
	NET_REQUEST_IEEE802154_CMD_GET_SECURITY_SETTINGS, /* gets the configured sec* attributes */
};


#define NET_REQUEST_IEEE802154_SET_ACK					\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_SET_ACK)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_ACK);

#define NET_REQUEST_IEEE802154_UNSET_ACK				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_UNSET_ACK)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_UNSET_ACK);

#define NET_REQUEST_IEEE802154_PASSIVE_SCAN				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_PASSIVE_SCAN)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_PASSIVE_SCAN);

#define NET_REQUEST_IEEE802154_ACTIVE_SCAN				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_ACTIVE_SCAN)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_ACTIVE_SCAN);

#define NET_REQUEST_IEEE802154_CANCEL_SCAN				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_CANCEL_SCAN)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_CANCEL_SCAN);

#define NET_REQUEST_IEEE802154_ASSOCIATE				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_ASSOCIATE)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_ASSOCIATE);

#define NET_REQUEST_IEEE802154_DISASSOCIATE				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_DISASSOCIATE)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_DISASSOCIATE);

#define NET_REQUEST_IEEE802154_SET_CHANNEL				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_SET_CHANNEL)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_CHANNEL);

#define NET_REQUEST_IEEE802154_GET_CHANNEL				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_GET_CHANNEL)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_GET_CHANNEL);

#define NET_REQUEST_IEEE802154_SET_PAN_ID				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_SET_PAN_ID)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_PAN_ID);

#define NET_REQUEST_IEEE802154_GET_PAN_ID				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_GET_PAN_ID)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_GET_PAN_ID);

#define NET_REQUEST_IEEE802154_SET_EXT_ADDR				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_SET_EXT_ADDR)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_EXT_ADDR);

#define NET_REQUEST_IEEE802154_GET_EXT_ADDR				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_GET_EXT_ADDR)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_GET_EXT_ADDR);

#define NET_REQUEST_IEEE802154_SET_SHORT_ADDR				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_SET_SHORT_ADDR)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_SHORT_ADDR);

#define NET_REQUEST_IEEE802154_GET_SHORT_ADDR				\
	(_NET_IEEE802154_BASE | NET_REQUEST_IEEE802154_CMD_GET_SHORT_ADDR)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_GET_SHORT_ADDR);

#define NET_REQUEST_IEEE802154_GET_TX_POWER				\
	(_NET_IEEE802154_BASE |						\
	 NET_REQUEST_IEEE802154_CMD_GET_TX_POWER)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_GET_TX_POWER);

#define NET_REQUEST_IEEE802154_SET_TX_POWER				\
	(_NET_IEEE802154_BASE |						\
	 NET_REQUEST_IEEE802154_CMD_SET_TX_POWER)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_TX_POWER);

#ifdef CONFIG_NET_L2_IEEE802154_SECURITY

#define NET_REQUEST_IEEE802154_SET_SECURITY_SETTINGS			\
	(_NET_IEEE802154_BASE |						\
	 NET_REQUEST_IEEE802154_CMD_SET_SECURITY_SETTINGS)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_SET_SECURITY_SETTINGS);

#define NET_REQUEST_IEEE802154_GET_SECURITY_SETTINGS			\
	(_NET_IEEE802154_BASE |						\
	 NET_REQUEST_IEEE802154_CMD_GET_SECURITY_SETTINGS)

NET_MGMT_DEFINE_REQUEST_HANDLER(NET_REQUEST_IEEE802154_GET_SECURITY_SETTINGS);

#endif /* CONFIG_NET_L2_IEEE802154_SECURITY */

enum net_event_ieee802154_cmd {
	NET_EVENT_IEEE802154_CMD_SCAN_RESULT = 1,
};

#define NET_EVENT_IEEE802154_SCAN_RESULT				\
	(_NET_IEEE802154_EVENT | NET_EVENT_IEEE802154_CMD_SCAN_RESULT)


#define IEEE802154_IS_CHAN_SCANNED(_channel_set, _chan)	\
	(_channel_set & BIT(_chan - 1))
#define IEEE802154_IS_CHAN_UNSCANNED(_channel_set, _chan)	\
	(!IEEE802154_IS_CHAN_SCANNED(_channel_set, _chan))

/* Useful define to request all 16 channels of channel page zero
 * in the 2450 MHz band to be scanned, from 11 to 26 included.
 */
#define IEEE802154_ALL_CHANNELS	(0x03FFFC00)

/**
 * @brief Scanning parameters
 *
 * Used to request a scan and get results as well, see section 8.2.11.2
 */
struct ieee802154_req_params {
	/** The set of channels to scan, use above macros to manage it */
	uint32_t channel_set;

	/** Duration of scan, per-channel, in milliseconds */
	uint32_t duration;

	/** Current channel in use as a result */
	uint16_t channel; /* in CPU byte order */
	/** Current pan_id in use as a result */
	uint16_t pan_id; /* in CPU byte order */

	/** Result address */
	union {
		uint16_t short_addr;			  /* in CPU byte order */
		uint8_t addr[IEEE802154_MAX_ADDR_LENGTH]; /* in big endian */
	};

	/** length of address */
	uint8_t len;
	/** Link quality information, between 0 and 255 */
	uint8_t lqi;
};

/**
 * @brief Security parameters
 *
 * Used to setup the link-layer security settings,
 * see tables 9-9 and 9-10 in section 9.5.
 */
struct ieee802154_security_params {
	uint8_t key[16];      /* secKeyDescriptor.secKey */
	uint8_t key_len;      /* a key length of 16 bytes is mandatory for standards conformance */
	uint8_t key_mode : 2; /* secKeyIdMode */
	uint8_t level : 3;    /* Used instead of a frame-specific SecurityLevel parameter when
			       * constructing the auxiliary security header
			       */
	uint8_t _unused : 3;
};

#ifdef __cplusplus
}
#endif

/**
 * @}
 */

#endif /* ZEPHYR_INCLUDE_NET_IEEE802154_MGMT_H_ */