[linux-block.git] / include / linux / ieee802154.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * IEEE802.15.4-2003 specification
 *
 * Copyright (C) 2007, 2008 Siemens AG
 *
 * Written by:
 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
 * Maxim Osipov <maxim.osipov@siemens.com>
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
 */

#ifndef LINUX_IEEE802154_H
#define LINUX_IEEE802154_H

#include <linux/types.h>
#include <linux/random.h>

#define IEEE802154_MTU			127
#define IEEE802154_ACK_PSDU_LEN		5
#define IEEE802154_MIN_PSDU_LEN		9
#define IEEE802154_FCS_LEN		2
#define IEEE802154_MAX_AUTH_TAG_LEN	16
#define IEEE802154_FC_LEN		2
#define IEEE802154_SEQ_LEN		1

/*  General MAC frame format:
 *  2 bytes: Frame Control
 *  1 byte:  Sequence Number
 * 20 bytes: Addressing fields
 * 14 bytes: Auxiliary Security Header
 */
#define IEEE802154_MAX_HEADER_LEN	(2 + 1 + 20 + 14)
#define IEEE802154_MIN_HEADER_LEN	(IEEE802154_ACK_PSDU_LEN - \
					 IEEE802154_FCS_LEN)

#define IEEE802154_PAN_ID_BROADCAST	0xffff
#define IEEE802154_ADDR_SHORT_BROADCAST	0xffff
#define IEEE802154_ADDR_SHORT_UNSPEC	0xfffe

#define IEEE802154_EXTENDED_ADDR_LEN	8
#define IEEE802154_SHORT_ADDR_LEN	2
#define IEEE802154_PAN_ID_LEN		2

#define IEEE802154_LIFS_PERIOD		40
#define IEEE802154_SIFS_PERIOD		12
#define IEEE802154_MAX_SIFS_FRAME_SIZE	18

#define IEEE802154_MAX_CHANNEL		26
#define IEEE802154_MAX_PAGE		31

#define IEEE802154_FC_TYPE_BEACON	0x0	/* Frame is beacon */
#define	IEEE802154_FC_TYPE_DATA		0x1	/* Frame is data */
#define IEEE802154_FC_TYPE_ACK		0x2	/* Frame is acknowledgment */
#define IEEE802154_FC_TYPE_MAC_CMD	0x3	/* Frame is MAC command */

#define IEEE802154_FC_TYPE_SHIFT		0
#define IEEE802154_FC_TYPE_MASK		((1 << 3) - 1)
#define IEEE802154_FC_TYPE(x)		((x & IEEE802154_FC_TYPE_MASK) >> IEEE802154_FC_TYPE_SHIFT)
#define IEEE802154_FC_SET_TYPE(v, x)	do {	\
	v = (((v) & ~IEEE802154_FC_TYPE_MASK) | \
	    (((x) << IEEE802154_FC_TYPE_SHIFT) & IEEE802154_FC_TYPE_MASK)); \
	} while (0)

#define IEEE802154_FC_SECEN_SHIFT	3
#define IEEE802154_FC_SECEN		(1 << IEEE802154_FC_SECEN_SHIFT)
#define IEEE802154_FC_FRPEND_SHIFT	4
#define IEEE802154_FC_FRPEND		(1 << IEEE802154_FC_FRPEND_SHIFT)
#define IEEE802154_FC_ACK_REQ_SHIFT	5
#define IEEE802154_FC_ACK_REQ		(1 << IEEE802154_FC_ACK_REQ_SHIFT)
#define IEEE802154_FC_INTRA_PAN_SHIFT	6
#define IEEE802154_FC_INTRA_PAN		(1 << IEEE802154_FC_INTRA_PAN_SHIFT)

#define IEEE802154_FC_SAMODE_SHIFT	14
#define IEEE802154_FC_SAMODE_MASK	(3 << IEEE802154_FC_SAMODE_SHIFT)
#define IEEE802154_FC_DAMODE_SHIFT	10
#define IEEE802154_FC_DAMODE_MASK	(3 << IEEE802154_FC_DAMODE_SHIFT)

#define IEEE802154_FC_VERSION_SHIFT	12
#define IEEE802154_FC_VERSION_MASK	(3 << IEEE802154_FC_VERSION_SHIFT)
#define IEEE802154_FC_VERSION(x)	((x & IEEE802154_FC_VERSION_MASK) >> IEEE802154_FC_VERSION_SHIFT)

#define IEEE802154_FC_SAMODE(x)		\
	(((x) & IEEE802154_FC_SAMODE_MASK) >> IEEE802154_FC_SAMODE_SHIFT)

#define IEEE802154_FC_DAMODE(x)		\
	(((x) & IEEE802154_FC_DAMODE_MASK) >> IEEE802154_FC_DAMODE_SHIFT)

#define IEEE802154_SCF_SECLEVEL_MASK		7
#define IEEE802154_SCF_SECLEVEL_SHIFT		0
#define IEEE802154_SCF_SECLEVEL(x)		(x & IEEE802154_SCF_SECLEVEL_MASK)
#define IEEE802154_SCF_KEY_ID_MODE_SHIFT	3
#define IEEE802154_SCF_KEY_ID_MODE_MASK		(3 << IEEE802154_SCF_KEY_ID_MODE_SHIFT)
#define IEEE802154_SCF_KEY_ID_MODE(x)		\
	((x & IEEE802154_SCF_KEY_ID_MODE_MASK) >> IEEE802154_SCF_KEY_ID_MODE_SHIFT)

#define IEEE802154_SCF_KEY_IMPLICIT		0
#define IEEE802154_SCF_KEY_INDEX		1
#define IEEE802154_SCF_KEY_SHORT_INDEX		2
#define IEEE802154_SCF_KEY_HW_INDEX		3

#define IEEE802154_SCF_SECLEVEL_NONE		0
#define IEEE802154_SCF_SECLEVEL_MIC32		1
#define IEEE802154_SCF_SECLEVEL_MIC64		2
#define IEEE802154_SCF_SECLEVEL_MIC128		3
#define IEEE802154_SCF_SECLEVEL_ENC		4
#define IEEE802154_SCF_SECLEVEL_ENC_MIC32	5
#define IEEE802154_SCF_SECLEVEL_ENC_MIC64	6
#define IEEE802154_SCF_SECLEVEL_ENC_MIC128	7

/* MAC footer size */
#define IEEE802154_MFR_SIZE	2 /* 2 octets */

/* MAC's Command Frames Identifiers */
#define IEEE802154_CMD_ASSOCIATION_REQ		0x01
#define IEEE802154_CMD_ASSOCIATION_RESP		0x02
#define IEEE802154_CMD_DISASSOCIATION_NOTIFY	0x03
#define IEEE802154_CMD_DATA_REQ			0x04
#define IEEE802154_CMD_PANID_CONFLICT_NOTIFY	0x05
#define IEEE802154_CMD_ORPHAN_NOTIFY		0x06
#define IEEE802154_CMD_BEACON_REQ		0x07
#define IEEE802154_CMD_COORD_REALIGN_NOTIFY	0x08
#define IEEE802154_CMD_GTS_REQ			0x09

/*
 * The return values of MAC operations
 */
enum {
	/*
	 * The requested operation was completed successfully.
	 * For a transmission request, this value indicates
	 * a successful transmission.
	 */
	IEEE802154_SUCCESS = 0x0,
	/* The requested operation failed. */
	IEEE802154_MAC_ERROR = 0x1,
	/* The requested operation has been cancelled. */
	IEEE802154_CANCELLED = 0x2,
	/*
	 * Device is ready to poll the coordinator for data in a non beacon
	 * enabled PAN.
	 */
	IEEE802154_READY_FOR_POLL = 0x3,
	/* Wrong frame counter. */
	IEEE802154_COUNTER_ERROR = 0xdb,
	/*
	 * The frame does not conforms to the incoming key usage policy checking
	 * procedure.
	 */
	IEEE802154_IMPROPER_KEY_TYPE = 0xdc,
	/*
	 * The frame does not conforms to the incoming security level usage
	 * policy checking procedure.
	 */
	IEEE802154_IMPROPER_SECURITY_LEVEL = 0xdd,
	/* Secured frame received with an empty Frame Version field. */
	IEEE802154_UNSUPPORTED_LEGACY = 0xde,
	/*
	 * A secured frame is received or must be sent but security is not
	 * enabled in the device. Or, the Auxiliary Security Header has security
	 * level of zero in it.
	 */
	IEEE802154_UNSUPPORTED_SECURITY = 0xdf,
	/* The beacon was lost following a synchronization request. */
	IEEE802154_BEACON_LOST = 0xe0,
	/*
	 * A transmission could not take place due to activity on the
	 * channel, i.e., the CSMA-CA mechanism has failed.
	 */
	IEEE802154_CHANNEL_ACCESS_FAILURE = 0xe1,
	/* The GTS request has been denied by the PAN coordinator. */
	IEEE802154_DENIED = 0xe2,
	/* The attempt to disable the transceiver has failed. */
	IEEE802154_DISABLE_TRX_FAILURE = 0xe3,
	/*
	 * The received frame induces a failed security check according to
	 * the security suite.
	 */
	IEEE802154_FAILED_SECURITY_CHECK = 0xe4,
	/*
	 * The frame resulting from secure processing has a length that is
	 * greater than aMACMaxFrameSize.
	 */
	IEEE802154_FRAME_TOO_LONG = 0xe5,
	/*
	 * The requested GTS transmission failed because the specified GTS
	 * either did not have a transmit GTS direction or was not defined.
	 */
	IEEE802154_INVALID_GTS = 0xe6,
	/*
	 * A request to purge an MSDU from the transaction queue was made using
	 * an MSDU handle that was not found in the transaction table.
	 */
	IEEE802154_INVALID_HANDLE = 0xe7,
	/* A parameter in the primitive is out of the valid range.*/
	IEEE802154_INVALID_PARAMETER = 0xe8,
	/* No acknowledgment was received after aMaxFrameRetries. */
	IEEE802154_NO_ACK = 0xe9,
	/* A scan operation failed to find any network beacons.*/
	IEEE802154_NO_BEACON = 0xea,
	/* No response data were available following a request. */
	IEEE802154_NO_DATA = 0xeb,
	/* The operation failed because a short address was not allocated. */
	IEEE802154_NO_SHORT_ADDRESS = 0xec,
	/*
	 * A receiver enable request was unsuccessful because it could not be
	 * completed within the CAP.
	 */
	IEEE802154_OUT_OF_CAP = 0xed,
	/*
	 * A PAN identifier conflict has been detected and communicated to the
	 * PAN coordinator.
	 */
	IEEE802154_PAN_ID_CONFLICT = 0xee,
	/* A coordinator realignment command has been received. */
	IEEE802154_REALIGNMENT = 0xef,
	/* The transaction has expired and its information discarded. */
	IEEE802154_TRANSACTION_EXPIRED = 0xf0,
	/* There is no capacity to store the transaction. */
	IEEE802154_TRANSACTION_OVERFLOW = 0xf1,
	/*
	 * The transceiver was in the transmitter enabled state when the
	 * receiver was requested to be enabled.
	 */
	IEEE802154_TX_ACTIVE = 0xf2,
	/* The appropriate key is not available in the ACL. */
	IEEE802154_UNAVAILABLE_KEY = 0xf3,
	/*
	 * A SET/GET request was issued with the identifier of a PIB attribute
	 * that is not supported.
	 */
	IEEE802154_UNSUPPORTED_ATTRIBUTE = 0xf4,
	/* Missing source or destination address or address mode. */
	IEEE802154_INVALID_ADDRESS = 0xf5,
	/*
	 * MLME asked to turn the receiver on, but the on time duration is too
	 * big compared to the macBeaconOrder.
	 */
	IEEE802154_ON_TIME_TOO_LONG = 0xf6,
	/*
	 * MLME asaked to turn the receiver on, but the request was delayed for
	 * too long before getting processed.
	 */
	IEEE802154_PAST_TIME = 0xf7,
	/*
	 * The StartTime parameter is nonzero, and the MLME is not currently
	 * tracking the beacon of the coordinator through which it is
	 * associated.
	 */
	IEEE802154_TRACKING_OFF = 0xf8,
	/*
	 * The index inside the hierarchical values in PIBAttribute is out of
	 * range.
	 */
	IEEE802154_INVALID_INDEX = 0xf9,
	/*
	 * The number of PAN descriptors discovered during a scan has been
	 * reached.
	 */
	IEEE802154_LIMIT_REACHED = 0xfa,
	/*
	 * The PIBAttribute parameter specifies an attribute that is a read-only
	 * attribute.
	 */
	IEEE802154_READ_ONLY = 0xfb,
	/*
	 * A request to perform a scan operation failed because the MLME was
	 * in the process of performing a previously initiated scan operation.
	 */
	IEEE802154_SCAN_IN_PROGRESS = 0xfc,
	/* The outgoing superframe overlaps the incoming superframe. */
	IEEE802154_SUPERFRAME_OVERLAP = 0xfd,
	/* Any other error situation. */
	IEEE802154_SYSTEM_ERROR = 0xff,
};

/* frame control handling */
#define IEEE802154_FCTL_FTYPE		0x0003
#define IEEE802154_FCTL_ACKREQ		0x0020
#define IEEE802154_FCTL_SECEN		0x0004
#define IEEE802154_FCTL_INTRA_PAN	0x0040
#define IEEE802154_FCTL_DADDR		0x0c00
#define IEEE802154_FCTL_SADDR		0xc000

#define IEEE802154_FTYPE_DATA		0x0001

#define IEEE802154_FCTL_ADDR_NONE	0x0000
#define IEEE802154_FCTL_DADDR_SHORT	0x0800
#define IEEE802154_FCTL_DADDR_EXTENDED	0x0c00
#define IEEE802154_FCTL_SADDR_SHORT	0x8000
#define IEEE802154_FCTL_SADDR_EXTENDED	0xc000

/*
 * ieee802154_is_data - check if type is IEEE802154_FTYPE_DATA
 * @fc: frame control bytes in little-endian byteorder
 */
static inline int ieee802154_is_data(__le16 fc)
{
	return (fc & cpu_to_le16(IEEE802154_FCTL_FTYPE)) ==
		cpu_to_le16(IEEE802154_FTYPE_DATA);
}

/**
 * ieee802154_is_secen - check if Security bit is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee802154_is_secen(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_SECEN);
}

/**
 * ieee802154_is_ackreq - check if acknowledgment request bit is set
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee802154_is_ackreq(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_ACKREQ);
}

/**
 * ieee802154_is_intra_pan - check if intra pan id communication
 * @fc: frame control bytes in little-endian byteorder
 */
static inline bool ieee802154_is_intra_pan(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_INTRA_PAN);
}

/*
 * ieee802154_daddr_mode - get daddr mode from fc
 * @fc: frame control bytes in little-endian byteorder
 */
static inline __le16 ieee802154_daddr_mode(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_DADDR);
}

/*
 * ieee802154_saddr_mode - get saddr mode from fc
 * @fc: frame control bytes in little-endian byteorder
 */
static inline __le16 ieee802154_saddr_mode(__le16 fc)
{
	return fc & cpu_to_le16(IEEE802154_FCTL_SADDR);
}

/**
 * ieee802154_is_valid_psdu_len - check if psdu len is valid
 * available lengths:
 *	0-4	Reserved
 *	5	MPDU (Acknowledgment)
 *	6-8	Reserved
 *	9-127	MPDU
 *
 * @len: psdu len with (MHR + payload + MFR)
 */
static inline bool ieee802154_is_valid_psdu_len(u8 len)
{
	return (len == IEEE802154_ACK_PSDU_LEN ||
		(len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU));
}

/**
 * ieee802154_is_valid_extended_unicast_addr - check if extended addr is valid
 * @addr: extended addr to check
 */
static inline bool ieee802154_is_valid_extended_unicast_addr(__le64 addr)
{
	/* Bail out if the address is all zero, or if the group
	 * address bit is set.
	 */
	return ((addr != cpu_to_le64(0x0000000000000000ULL)) &&
		!(addr & cpu_to_le64(0x0100000000000000ULL)));
}

/**
 * ieee802154_is_broadcast_short_addr - check if short addr is broadcast
 * @addr: short addr to check
 */
static inline bool ieee802154_is_broadcast_short_addr(__le16 addr)
{
	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST));
}

/**
 * ieee802154_is_unspec_short_addr - check if short addr is unspecified
 * @addr: short addr to check
 */
static inline bool ieee802154_is_unspec_short_addr(__le16 addr)
{
	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC));
}

/**
 * ieee802154_is_valid_src_short_addr - check if source short address is valid
 * @addr: short addr to check
 */
static inline bool ieee802154_is_valid_src_short_addr(__le16 addr)
{
	return !(ieee802154_is_broadcast_short_addr(addr) ||
		 ieee802154_is_unspec_short_addr(addr));
}

/**
 * ieee802154_random_extended_addr - generates a random extended address
 * @addr: extended addr pointer to place the random address
 */
static inline void ieee802154_random_extended_addr(__le64 *addr)
{
	get_random_bytes(addr, IEEE802154_EXTENDED_ADDR_LEN);

	/* clear the group bit, and set the locally administered bit */
	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] &= ~0x01;
	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] |= 0x02;
}

#endif /* LINUX_IEEE802154_H */
Commit	Line	Data
1802d0be	1	/* SPDX-License-Identifier: GPL-2.0-only */
9ec76716 SL	2	/*
	3	* IEEE802.15.4-2003 specification
	4	*
	5	* Copyright (C) 2007, 2008 Siemens AG
	6	*
9ec76716 SL	7	* Written by:
	8	* Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
	9	* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
	10	* Maxim Osipov <maxim.osipov@siemens.com>
	11	* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
719269af	12	* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
9ec76716 SL	13	*/
9ec76716 SL	14
4ca24aca AA	15	#ifndef LINUX_IEEE802154_H
4ca24aca AA	16	#define LINUX_IEEE802154_H
9ec76716	17
fa491001	18	#include <linux/types.h>
35d5a374	19	#include <linux/random.h>
fa491001	20
719269af	21	#define IEEE802154_MTU 127
306f7aa1 AA	22	#define IEEE802154_ACK_PSDU_LEN 5
306f7aa1 AA	23	#define IEEE802154_MIN_PSDU_LEN 9
3f3c4bb5	24	#define IEEE802154_FCS_LEN 2
87a93e4e	25	#define IEEE802154_MAX_AUTH_TAG_LEN 16
9cc577dd AA	26	#define IEEE802154_FC_LEN 2
9cc577dd AA	27	#define IEEE802154_SEQ_LEN 1
87a93e4e AA	28
	29	/* General MAC frame format:
	30	* 2 bytes: Frame Control
	31	* 1 byte: Sequence Number
	32	* 20 bytes: Addressing fields
	33	* 14 bytes: Auxiliary Security Header
	34	*/
	35	#define IEEE802154_MAX_HEADER_LEN (2 + 1 + 20 + 14)
	36	#define IEEE802154_MIN_HEADER_LEN (IEEE802154_ACK_PSDU_LEN - \
	37	IEEE802154_FCS_LEN)
719269af	38
702bf371	39	#define IEEE802154_PAN_ID_BROADCAST 0xffff
9830c62a AA	40	#define IEEE802154_ADDR_SHORT_BROADCAST 0xffff
9830c62a AA	41	#define IEEE802154_ADDR_SHORT_UNSPEC 0xfffe
702bf371	42
1906bbbd	43	#define IEEE802154_EXTENDED_ADDR_LEN 8
118a5cf8	44	#define IEEE802154_SHORT_ADDR_LEN 2
19580cc1	45	#define IEEE802154_PAN_ID_LEN 2
1906bbbd	46
61f2dcba AA	47	#define IEEE802154_LIFS_PERIOD 40
61f2dcba AA	48	#define IEEE802154_SIFS_PERIOD 12
3f3c4bb5	49	#define IEEE802154_MAX_SIFS_FRAME_SIZE 18
61f2dcba	50
cb41c8dd AA	51	#define IEEE802154_MAX_CHANNEL 26
	52	#define IEEE802154_MAX_PAGE 31
	53
9ec76716 SL	54	#define IEEE802154_FC_TYPE_BEACON 0x0 /* Frame is beacon */
	55	#define IEEE802154_FC_TYPE_DATA 0x1 /* Frame is data */
	56	#define IEEE802154_FC_TYPE_ACK 0x2 /* Frame is acknowledgment */
	57	#define IEEE802154_FC_TYPE_MAC_CMD 0x3 /* Frame is MAC command */
	58
	59	#define IEEE802154_FC_TYPE_SHIFT 0
	60	#define IEEE802154_FC_TYPE_MASK ((1 << 3) - 1)
	61	#define IEEE802154_FC_TYPE(x) ((x & IEEE802154_FC_TYPE_MASK) >> IEEE802154_FC_TYPE_SHIFT)
	62	#define IEEE802154_FC_SET_TYPE(v, x) do { \
	63	v = (((v) & ~IEEE802154_FC_TYPE_MASK) \| \
	64	(((x) << IEEE802154_FC_TYPE_SHIFT) & IEEE802154_FC_TYPE_MASK)); \
	65	} while (0)
	66
94b4f6c2 PB	67	#define IEEE802154_FC_SECEN_SHIFT 3
	68	#define IEEE802154_FC_SECEN (1 << IEEE802154_FC_SECEN_SHIFT)
	69	#define IEEE802154_FC_FRPEND_SHIFT 4
	70	#define IEEE802154_FC_FRPEND (1 << IEEE802154_FC_FRPEND_SHIFT)
	71	#define IEEE802154_FC_ACK_REQ_SHIFT 5
	72	#define IEEE802154_FC_ACK_REQ (1 << IEEE802154_FC_ACK_REQ_SHIFT)
	73	#define IEEE802154_FC_INTRA_PAN_SHIFT 6
	74	#define IEEE802154_FC_INTRA_PAN (1 << IEEE802154_FC_INTRA_PAN_SHIFT)
9ec76716 SL	75
	76	#define IEEE802154_FC_SAMODE_SHIFT 14
	77	#define IEEE802154_FC_SAMODE_MASK (3 << IEEE802154_FC_SAMODE_SHIFT)
	78	#define IEEE802154_FC_DAMODE_SHIFT 10
	79	#define IEEE802154_FC_DAMODE_MASK (3 << IEEE802154_FC_DAMODE_SHIFT)
	80
94b4f6c2 PB	81	#define IEEE802154_FC_VERSION_SHIFT 12
	82	#define IEEE802154_FC_VERSION_MASK (3 << IEEE802154_FC_VERSION_SHIFT)
	83	#define IEEE802154_FC_VERSION(x) ((x & IEEE802154_FC_VERSION_MASK) >> IEEE802154_FC_VERSION_SHIFT)
	84
9ec76716 SL	85	#define IEEE802154_FC_SAMODE(x) \
	86	(((x) & IEEE802154_FC_SAMODE_MASK) >> IEEE802154_FC_SAMODE_SHIFT)
	87
	88	#define IEEE802154_FC_DAMODE(x) \
	89	(((x) & IEEE802154_FC_DAMODE_MASK) >> IEEE802154_FC_DAMODE_SHIFT)
	90
94b4f6c2 PB	91	#define IEEE802154_SCF_SECLEVEL_MASK 7
	92	#define IEEE802154_SCF_SECLEVEL_SHIFT 0
	93	#define IEEE802154_SCF_SECLEVEL(x) (x & IEEE802154_SCF_SECLEVEL_MASK)
	94	#define IEEE802154_SCF_KEY_ID_MODE_SHIFT 3
	95	#define IEEE802154_SCF_KEY_ID_MODE_MASK (3 << IEEE802154_SCF_KEY_ID_MODE_SHIFT)
	96	#define IEEE802154_SCF_KEY_ID_MODE(x) \
	97	((x & IEEE802154_SCF_KEY_ID_MODE_MASK) >> IEEE802154_SCF_KEY_ID_MODE_SHIFT)
	98
	99	#define IEEE802154_SCF_KEY_IMPLICIT 0
	100	#define IEEE802154_SCF_KEY_INDEX 1
	101	#define IEEE802154_SCF_KEY_SHORT_INDEX 2
	102	#define IEEE802154_SCF_KEY_HW_INDEX 3
9ec76716	103
c3a6114f PB	104	#define IEEE802154_SCF_SECLEVEL_NONE 0
	105	#define IEEE802154_SCF_SECLEVEL_MIC32 1
	106	#define IEEE802154_SCF_SECLEVEL_MIC64 2
	107	#define IEEE802154_SCF_SECLEVEL_MIC128 3
	108	#define IEEE802154_SCF_SECLEVEL_ENC 4
	109	#define IEEE802154_SCF_SECLEVEL_ENC_MIC32 5
	110	#define IEEE802154_SCF_SECLEVEL_ENC_MIC64 6
	111	#define IEEE802154_SCF_SECLEVEL_ENC_MIC128 7
	112
719269af	113	/* MAC footer size */
	114	#define IEEE802154_MFR_SIZE 2 /* 2 octets */
	115
9ec76716 SL	116	/* MAC's Command Frames Identifiers */
	117	#define IEEE802154_CMD_ASSOCIATION_REQ 0x01
	118	#define IEEE802154_CMD_ASSOCIATION_RESP 0x02
	119	#define IEEE802154_CMD_DISASSOCIATION_NOTIFY 0x03
	120	#define IEEE802154_CMD_DATA_REQ 0x04
	121	#define IEEE802154_CMD_PANID_CONFLICT_NOTIFY 0x05
	122	#define IEEE802154_CMD_ORPHAN_NOTIFY 0x06
	123	#define IEEE802154_CMD_BEACON_REQ 0x07
	124	#define IEEE802154_CMD_COORD_REALIGN_NOTIFY 0x08
	125	#define IEEE802154_CMD_GTS_REQ 0x09
	126
	127	/*
	128	* The return values of MAC operations
	129	*/
	130	enum {
	131	/*
	132	* The requested operation was completed successfully.
	133	* For a transmission request, this value indicates
	134	* a successful transmission.
	135	*/
	136	IEEE802154_SUCCESS = 0x0,
f06cfc23 MR	137	/* The requested operation failed. */
	138	IEEE802154_MAC_ERROR = 0x1,
	139	/* The requested operation has been cancelled. */
	140	IEEE802154_CANCELLED = 0x2,
	141	/*
	142	* Device is ready to poll the coordinator for data in a non beacon
	143	* enabled PAN.
	144	*/
	145	IEEE802154_READY_FOR_POLL = 0x3,
	146	/* Wrong frame counter. */
	147	IEEE802154_COUNTER_ERROR = 0xdb,
	148	/*
	149	* The frame does not conforms to the incoming key usage policy checking
	150	* procedure.
	151	*/
	152	IEEE802154_IMPROPER_KEY_TYPE = 0xdc,
	153	/*
	154	* The frame does not conforms to the incoming security level usage
	155	* policy checking procedure.
	156	*/
	157	IEEE802154_IMPROPER_SECURITY_LEVEL = 0xdd,
	158	/* Secured frame received with an empty Frame Version field. */
	159	IEEE802154_UNSUPPORTED_LEGACY = 0xde,
	160	/*
	161	* A secured frame is received or must be sent but security is not
	162	* enabled in the device. Or, the Auxiliary Security Header has security
	163	* level of zero in it.
	164	*/
	165	IEEE802154_UNSUPPORTED_SECURITY = 0xdf,
9ec76716	166	/* The beacon was lost following a synchronization request. */
5b0e5854	167	IEEE802154_BEACON_LOST = 0xe0,
9ec76716 SL	168	/*
	169	* A transmission could not take place due to activity on the
	170	* channel, i.e., the CSMA-CA mechanism has failed.
	171	*/
5b0e5854	172	IEEE802154_CHANNEL_ACCESS_FAILURE = 0xe1,
9ec76716	173	/* The GTS request has been denied by the PAN coordinator. */
5b0e5854	174	IEEE802154_DENIED = 0xe2,
9ec76716	175	/* The attempt to disable the transceiver has failed. */
5b0e5854	176	IEEE802154_DISABLE_TRX_FAILURE = 0xe3,
9ec76716 SL	177	/*
	178	* The received frame induces a failed security check according to
	179	* the security suite.
	180	*/
	181	IEEE802154_FAILED_SECURITY_CHECK = 0xe4,
	182	/*
	183	* The frame resulting from secure processing has a length that is
	184	* greater than aMACMaxFrameSize.
	185	*/
	186	IEEE802154_FRAME_TOO_LONG = 0xe5,
	187	/*
	188	* The requested GTS transmission failed because the specified GTS
	189	* either did not have a transmit GTS direction or was not defined.
	190	*/
	191	IEEE802154_INVALID_GTS = 0xe6,
	192	/*
	193	* A request to purge an MSDU from the transaction queue was made using
	194	* an MSDU handle that was not found in the transaction table.
	195	*/
	196	IEEE802154_INVALID_HANDLE = 0xe7,
	197	/* A parameter in the primitive is out of the valid range.*/
	198	IEEE802154_INVALID_PARAMETER = 0xe8,
	199	/* No acknowledgment was received after aMaxFrameRetries. */
	200	IEEE802154_NO_ACK = 0xe9,
	201	/* A scan operation failed to find any network beacons.*/
	202	IEEE802154_NO_BEACON = 0xea,
	203	/* No response data were available following a request. */
	204	IEEE802154_NO_DATA = 0xeb,
	205	/* The operation failed because a short address was not allocated. */
	206	IEEE802154_NO_SHORT_ADDRESS = 0xec,
	207	/*
	208	* A receiver enable request was unsuccessful because it could not be
	209	* completed within the CAP.
	210	*/
	211	IEEE802154_OUT_OF_CAP = 0xed,
	212	/*
	213	* A PAN identifier conflict has been detected and communicated to the
	214	* PAN coordinator.
	215	*/
5b0e5854	216	IEEE802154_PAN_ID_CONFLICT = 0xee,
9ec76716	217	/* A coordinator realignment command has been received. */
5b0e5854	218	IEEE802154_REALIGNMENT = 0xef,
9ec76716 SL	219	/* The transaction has expired and its information discarded. */
	220	IEEE802154_TRANSACTION_EXPIRED = 0xf0,
	221	/* There is no capacity to store the transaction. */
	222	IEEE802154_TRANSACTION_OVERFLOW = 0xf1,
	223	/*
	224	* The transceiver was in the transmitter enabled state when the
	225	* receiver was requested to be enabled.
	226	*/
	227	IEEE802154_TX_ACTIVE = 0xf2,
	228	/* The appropriate key is not available in the ACL. */
	229	IEEE802154_UNAVAILABLE_KEY = 0xf3,
	230	/*
	231	* A SET/GET request was issued with the identifier of a PIB attribute
	232	* that is not supported.
	233	*/
5b0e5854	234	IEEE802154_UNSUPPORTED_ATTRIBUTE = 0xf4,
f06cfc23 MR	235	/* Missing source or destination address or address mode. */
	236	IEEE802154_INVALID_ADDRESS = 0xf5,
	237	/*
	238	* MLME asked to turn the receiver on, but the on time duration is too
	239	* big compared to the macBeaconOrder.
	240	*/
	241	IEEE802154_ON_TIME_TOO_LONG = 0xf6,
	242	/*
	243	* MLME asaked to turn the receiver on, but the request was delayed for
	244	* too long before getting processed.
	245	*/
	246	IEEE802154_PAST_TIME = 0xf7,
	247	/*
	248	* The StartTime parameter is nonzero, and the MLME is not currently
	249	* tracking the beacon of the coordinator through which it is
	250	* associated.
	251	*/
	252	IEEE802154_TRACKING_OFF = 0xf8,
	253	/*
	254	* The index inside the hierarchical values in PIBAttribute is out of
	255	* range.
	256	*/
	257	IEEE802154_INVALID_INDEX = 0xf9,
	258	/*
	259	* The number of PAN descriptors discovered during a scan has been
	260	* reached.
	261	*/
	262	IEEE802154_LIMIT_REACHED = 0xfa,
	263	/*
	264	* The PIBAttribute parameter specifies an attribute that is a read-only
	265	* attribute.
	266	*/
	267	IEEE802154_READ_ONLY = 0xfb,
9ec76716 SL	268	/*
	269	* A request to perform a scan operation failed because the MLME was
	270	* in the process of performing a previously initiated scan operation.
	271	*/
	272	IEEE802154_SCAN_IN_PROGRESS = 0xfc,
f06cfc23 MR	273	/* The outgoing superframe overlaps the incoming superframe. */
	274	IEEE802154_SUPERFRAME_OVERLAP = 0xfd,
	275	/* Any other error situation. */
	276	IEEE802154_SYSTEM_ERROR = 0xff,
9ec76716 SL	277	};
9ec76716 SL	278
54552d03 AA	279	/* frame control handling */
54552d03 AA	280	#define IEEE802154_FCTL_FTYPE 0x0003
79750ac4	281	#define IEEE802154_FCTL_ACKREQ 0x0020
bc405cd6	282	#define IEEE802154_FCTL_SECEN 0x0004
54552d03	283	#define IEEE802154_FCTL_INTRA_PAN 0x0040
9cc577dd	284	#define IEEE802154_FCTL_DADDR 0x0c00
19580cc1	285	#define IEEE802154_FCTL_SADDR 0xc000
54552d03 AA	286
	287	#define IEEE802154_FTYPE_DATA 0x0001
	288
9cc577dd AA	289	#define IEEE802154_FCTL_ADDR_NONE 0x0000
	290	#define IEEE802154_FCTL_DADDR_SHORT 0x0800
	291	#define IEEE802154_FCTL_DADDR_EXTENDED 0x0c00
19580cc1 AA	292	#define IEEE802154_FCTL_SADDR_SHORT 0x8000
19580cc1 AA	293	#define IEEE802154_FCTL_SADDR_EXTENDED 0xc000
9cc577dd	294
54552d03 AA	295	/*
	296	* ieee802154_is_data - check if type is IEEE802154_FTYPE_DATA
	297	* @fc: frame control bytes in little-endian byteorder
	298	*/
	299	static inline int ieee802154_is_data(__le16 fc)
	300	{
	301	return (fc & cpu_to_le16(IEEE802154_FCTL_FTYPE)) ==
	302	cpu_to_le16(IEEE802154_FTYPE_DATA);
	303	}
	304
bc405cd6 AM	305	/**
	306	* ieee802154_is_secen - check if Security bit is set
	307	* @fc: frame control bytes in little-endian byteorder
	308	*/
	309	static inline bool ieee802154_is_secen(__le16 fc)
	310	{
	311	return fc & cpu_to_le16(IEEE802154_FCTL_SECEN);
	312	}
	313
79750ac4 AA	314	/**
	315	* ieee802154_is_ackreq - check if acknowledgment request bit is set
	316	* @fc: frame control bytes in little-endian byteorder
	317	*/
	318	static inline bool ieee802154_is_ackreq(__le16 fc)
	319	{
	320	return fc & cpu_to_le16(IEEE802154_FCTL_ACKREQ);
	321	}
	322
54552d03 AA	323	/**
	324	* ieee802154_is_intra_pan - check if intra pan id communication
	325	* @fc: frame control bytes in little-endian byteorder
	326	*/
	327	static inline bool ieee802154_is_intra_pan(__le16 fc)
	328	{
	329	return fc & cpu_to_le16(IEEE802154_FCTL_INTRA_PAN);
	330	}
	331
9cc577dd AA	332	/*
	333	* ieee802154_daddr_mode - get daddr mode from fc
	334	* @fc: frame control bytes in little-endian byteorder
	335	*/
	336	static inline __le16 ieee802154_daddr_mode(__le16 fc)
	337	{
	338	return fc & cpu_to_le16(IEEE802154_FCTL_DADDR);
	339	}
	340
19580cc1 AA	341	/*
	342	* ieee802154_saddr_mode - get saddr mode from fc
	343	* @fc: frame control bytes in little-endian byteorder
	344	*/
	345	static inline __le16 ieee802154_saddr_mode(__le16 fc)
	346	{
	347	return fc & cpu_to_le16(IEEE802154_FCTL_SADDR);
	348	}
	349
fa491001 AA	350	/**
fa491001 AA	351	* ieee802154_is_valid_psdu_len - check if psdu len is valid
306f7aa1 AA	352	* available lengths:
	353	* 0-4 Reserved
	354	* 5 MPDU (Acknowledgment)
	355	* 6-8 Reserved
	356	* 9-127 MPDU
	357	*
fa491001 AA	358	* @len: psdu len with (MHR + payload + MFR)
fa491001 AA	359	*/
b7594148	360	static inline bool ieee802154_is_valid_psdu_len(u8 len)
fa491001	361	{
306f7aa1 AA	362	return (len == IEEE802154_ACK_PSDU_LEN \|\|
306f7aa1 AA	363	(len >= IEEE802154_MIN_PSDU_LEN && len <= IEEE802154_MTU));
fa491001	364	}
9ec76716	365
cb904b0a	366	/**
b7594148	367	* ieee802154_is_valid_extended_unicast_addr - check if extended addr is valid
cb904b0a AA	368	* @addr: extended addr to check
cb904b0a AA	369	*/
b7594148	370	static inline bool ieee802154_is_valid_extended_unicast_addr(__le64 addr)
cb904b0a	371	{
daf4e2c8 LB	372	/* Bail out if the address is all zero, or if the group
daf4e2c8 LB	373	* address bit is set.
cb904b0a	374	*/
0d8a52f9	375	return ((addr != cpu_to_le64(0x0000000000000000ULL)) &&
daf4e2c8	376	!(addr & cpu_to_le64(0x0100000000000000ULL)));
cb904b0a AA	377	}
cb904b0a AA	378
118a5cf8 AA	379	/**
	380	* ieee802154_is_broadcast_short_addr - check if short addr is broadcast
	381	* @addr: short addr to check
	382	*/
	383	static inline bool ieee802154_is_broadcast_short_addr(__le16 addr)
	384	{
	385	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_BROADCAST));
	386	}
	387
	388	/**
	389	* ieee802154_is_unspec_short_addr - check if short addr is unspecified
	390	* @addr: short addr to check
	391	*/
	392	static inline bool ieee802154_is_unspec_short_addr(__le16 addr)
	393	{
	394	return (addr == cpu_to_le16(IEEE802154_ADDR_SHORT_UNSPEC));
	395	}
	396
	397	/**
	398	* ieee802154_is_valid_src_short_addr - check if source short address is valid
	399	* @addr: short addr to check
	400	*/
	401	static inline bool ieee802154_is_valid_src_short_addr(__le16 addr)
	402	{
	403	return !(ieee802154_is_broadcast_short_addr(addr) \|\|
	404	ieee802154_is_unspec_short_addr(addr));
	405	}
	406
35d5a374 AA	407	/**
	408	* ieee802154_random_extended_addr - generates a random extended address
	409	* @addr: extended addr pointer to place the random address
	410	*/
	411	static inline void ieee802154_random_extended_addr(__le64 *addr)
	412	{
	413	get_random_bytes(addr, IEEE802154_EXTENDED_ADDR_LEN);
	414
3b369bd2 LB	415	/* clear the group bit, and set the locally administered bit */
	416	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] &= ~0x01;
	417	((u8 *)addr)[IEEE802154_EXTENDED_ADDR_LEN - 1] \|= 0x02;
35d5a374 AA	418	}
35d5a374 AA	419
4ca24aca	420	#endif /* LINUX_IEEE802154_H */