[linux-block.git] / include / net / ieee802154_netdev.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * An interface between IEEE802.15.4 device and rest of the kernel.
 *
 * Copyright (C) 2007-2012 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 IEEE802154_NETDEVICE_H
#define IEEE802154_NETDEVICE_H

#define IEEE802154_REQUIRED_SIZE(struct_type, member) \
	(offsetof(typeof(struct_type), member) + \
	sizeof(((typeof(struct_type) *)(NULL))->member))

#define IEEE802154_ADDR_OFFSET \
	offsetof(typeof(struct sockaddr_ieee802154), addr)

#define IEEE802154_MIN_NAMELEN (IEEE802154_ADDR_OFFSET + \
	IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, addr_type))

#define IEEE802154_NAMELEN_SHORT (IEEE802154_ADDR_OFFSET + \
	IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, short_addr))

#define IEEE802154_NAMELEN_LONG (IEEE802154_ADDR_OFFSET + \
	IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, hwaddr))

#include <net/af_ieee802154.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <linux/ieee802154.h>

#include <net/cfg802154.h>

struct ieee802154_beacon_hdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u16 beacon_order:4,
	    superframe_order:4,
	    final_cap_slot:4,
	    battery_life_ext:1,
	    reserved0:1,
	    pan_coordinator:1,
	    assoc_permit:1;
	u8  gts_count:3,
	    gts_reserved:4,
	    gts_permit:1;
	u8  pend_short_addr_count:3,
	    reserved1:1,
	    pend_ext_addr_count:3,
	    reserved2:1;
#elif defined(__BIG_ENDIAN_BITFIELD)
	u16 assoc_permit:1,
	    pan_coordinator:1,
	    reserved0:1,
	    battery_life_ext:1,
	    final_cap_slot:4,
	    superframe_order:4,
	    beacon_order:4;
	u8  gts_permit:1,
	    gts_reserved:4,
	    gts_count:3;
	u8  reserved2:1,
	    pend_ext_addr_count:3,
	    reserved1:1,
	    pend_short_addr_count:3;
#else
#error	"Please fix <asm/byteorder.h>"
#endif
} __packed;

struct ieee802154_sechdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u8 level:3,
	   key_id_mode:2,
	   reserved:3;
#elif defined(__BIG_ENDIAN_BITFIELD)
	u8 reserved:3,
	   key_id_mode:2,
	   level:3;
#else
#error	"Please fix <asm/byteorder.h>"
#endif
	u8 key_id;
	__le32 frame_counter;
	union {
		__le32 short_src;
		__le64 extended_src;
	};
};

struct ieee802154_hdr_fc {
#if defined(__LITTLE_ENDIAN_BITFIELD)
	u16 type:3,
	    security_enabled:1,
	    frame_pending:1,
	    ack_request:1,
	    intra_pan:1,
	    reserved:3,
	    dest_addr_mode:2,
	    version:2,
	    source_addr_mode:2;
#elif defined(__BIG_ENDIAN_BITFIELD)
	u16 reserved:1,
	    intra_pan:1,
	    ack_request:1,
	    frame_pending:1,
	    security_enabled:1,
	    type:3,
	    source_addr_mode:2,
	    version:2,
	    dest_addr_mode:2,
	    reserved2:2;
#else
#error	"Please fix <asm/byteorder.h>"
#endif
};

enum ieee802154_frame_version {
	IEEE802154_2003_STD,
	IEEE802154_2006_STD,
	IEEE802154_STD,
	IEEE802154_RESERVED_STD,
	IEEE802154_MULTIPURPOSE_STD = IEEE802154_2003_STD,
};

enum ieee802154_addressing_mode {
	IEEE802154_NO_ADDRESSING,
	IEEE802154_RESERVED,
	IEEE802154_SHORT_ADDRESSING,
	IEEE802154_EXTENDED_ADDRESSING,
};

struct ieee802154_hdr {
	struct ieee802154_hdr_fc fc;
	u8 seq;
	struct ieee802154_addr source;
	struct ieee802154_addr dest;
	struct ieee802154_sechdr sec;
};

struct ieee802154_beacon_frame {
	struct ieee802154_hdr mhr;
	struct ieee802154_beacon_hdr mac_pl;
};

/* pushes hdr onto the skb. fields of hdr->fc that can be calculated from
 * the contents of hdr will be, and the actual value of those bits in
 * hdr->fc will be ignored. this includes the INTRA_PAN bit and the frame
 * version, if SECEN is set.
 */
int ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr);

/* pulls the entire 802.15.4 header off of the skb, including the security
 * header, and performs pan id decompression
 */
int ieee802154_hdr_pull(struct sk_buff *skb, struct ieee802154_hdr *hdr);

/* parses the frame control, sequence number of address fields in a given skb
 * and stores them into hdr, performing pan id decompression and length checks
 * to be suitable for use in header_ops.parse
 */
int ieee802154_hdr_peek_addrs(const struct sk_buff *skb,
			      struct ieee802154_hdr *hdr);

/* parses the full 802.15.4 header a given skb and stores them into hdr,
 * performing pan id decompression and length checks to be suitable for use in
 * header_ops.parse
 */
int ieee802154_hdr_peek(const struct sk_buff *skb, struct ieee802154_hdr *hdr);

/* pushes a beacon frame into an skb */
int ieee802154_beacon_push(struct sk_buff *skb,
			   struct ieee802154_beacon_frame *beacon);

int ieee802154_max_payload(const struct ieee802154_hdr *hdr);

static inline int
ieee802154_sechdr_authtag_len(const struct ieee802154_sechdr *sec)
{
	switch (sec->level) {
	case IEEE802154_SCF_SECLEVEL_MIC32:
	case IEEE802154_SCF_SECLEVEL_ENC_MIC32:
		return 4;
	case IEEE802154_SCF_SECLEVEL_MIC64:
	case IEEE802154_SCF_SECLEVEL_ENC_MIC64:
		return 8;
	case IEEE802154_SCF_SECLEVEL_MIC128:
	case IEEE802154_SCF_SECLEVEL_ENC_MIC128:
		return 16;
	case IEEE802154_SCF_SECLEVEL_NONE:
	case IEEE802154_SCF_SECLEVEL_ENC:
	default:
		return 0;
	}
}

static inline int ieee802154_hdr_length(struct sk_buff *skb)
{
	struct ieee802154_hdr hdr;
	int len = ieee802154_hdr_pull(skb, &hdr);

	if (len > 0)
		skb_push(skb, len);

	return len;
}

static inline bool ieee802154_addr_equal(const struct ieee802154_addr *a1,
					 const struct ieee802154_addr *a2)
{
	if (a1->pan_id != a2->pan_id || a1->mode != a2->mode)
		return false;

	if ((a1->mode == IEEE802154_ADDR_LONG &&
	     a1->extended_addr != a2->extended_addr) ||
	    (a1->mode == IEEE802154_ADDR_SHORT &&
	     a1->short_addr != a2->short_addr))
		return false;

	return true;
}

static inline __le64 ieee802154_devaddr_from_raw(const void *raw)
{
	u64 temp;

	memcpy(&temp, raw, IEEE802154_ADDR_LEN);
	return (__force __le64)swab64(temp);
}

static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr)
{
	u64 temp = swab64((__force u64)addr);

	memcpy(raw, &temp, IEEE802154_ADDR_LEN);
}

static inline int
ieee802154_sockaddr_check_size(struct sockaddr_ieee802154 *daddr, int len)
{
	struct ieee802154_addr_sa *sa;
	int ret = 0;

	sa = &daddr->addr;
	if (len < IEEE802154_MIN_NAMELEN)
		return -EINVAL;
	switch (sa->addr_type) {
	case IEEE802154_ADDR_NONE:
		break;
	case IEEE802154_ADDR_SHORT:
		if (len < IEEE802154_NAMELEN_SHORT)
			ret = -EINVAL;
		break;
	case IEEE802154_ADDR_LONG:
		if (len < IEEE802154_NAMELEN_LONG)
			ret = -EINVAL;
		break;
	default:
		ret = -EINVAL;
		break;
	}
	return ret;
}

static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,
					   const struct ieee802154_addr_sa *sa)
{
	a->mode = sa->addr_type;
	a->pan_id = cpu_to_le16(sa->pan_id);

	switch (a->mode) {
	case IEEE802154_ADDR_SHORT:
		a->short_addr = cpu_to_le16(sa->short_addr);
		break;
	case IEEE802154_ADDR_LONG:
		a->extended_addr = ieee802154_devaddr_from_raw(sa->hwaddr);
		break;
	}
}

static inline void ieee802154_addr_to_sa(struct ieee802154_addr_sa *sa,
					 const struct ieee802154_addr *a)
{
	sa->addr_type = a->mode;
	sa->pan_id = le16_to_cpu(a->pan_id);

	switch (a->mode) {
	case IEEE802154_ADDR_SHORT:
		sa->short_addr = le16_to_cpu(a->short_addr);
		break;
	case IEEE802154_ADDR_LONG:
		ieee802154_devaddr_to_raw(sa->hwaddr, a->extended_addr);
		break;
	}
}

/*
 * A control block of skb passed between the ARPHRD_IEEE802154 device
 * and other stack parts.
 */
struct ieee802154_mac_cb {
	u8 lqi;
	u8 type;
	bool ackreq;
	bool secen;
	bool secen_override;
	u8 seclevel;
	bool seclevel_override;
	struct ieee802154_addr source;
	struct ieee802154_addr dest;
};

static inline struct ieee802154_mac_cb *mac_cb(struct sk_buff *skb)
{
	return (struct ieee802154_mac_cb *)skb->cb;
}

static inline struct ieee802154_mac_cb *mac_cb_init(struct sk_buff *skb)
{
	BUILD_BUG_ON(sizeof(struct ieee802154_mac_cb) > sizeof(skb->cb));

	memset(skb->cb, 0, sizeof(struct ieee802154_mac_cb));
	return mac_cb(skb);
}

enum {
	IEEE802154_LLSEC_DEVKEY_IGNORE,
	IEEE802154_LLSEC_DEVKEY_RESTRICT,
	IEEE802154_LLSEC_DEVKEY_RECORD,

	__IEEE802154_LLSEC_DEVKEY_MAX,
};

#define IEEE802154_MAC_SCAN_ED		0
#define IEEE802154_MAC_SCAN_ACTIVE	1
#define IEEE802154_MAC_SCAN_PASSIVE	2
#define IEEE802154_MAC_SCAN_ORPHAN	3

struct ieee802154_mac_params {
	s8 transmit_power;
	u8 min_be;
	u8 max_be;
	u8 csma_retries;
	s8 frame_retries;

	bool lbt;
	struct wpan_phy_cca cca;
	s32 cca_ed_level;
};

struct wpan_phy;

enum {
	IEEE802154_LLSEC_PARAM_ENABLED		= BIT(0),
	IEEE802154_LLSEC_PARAM_FRAME_COUNTER	= BIT(1),
	IEEE802154_LLSEC_PARAM_OUT_LEVEL	= BIT(2),
	IEEE802154_LLSEC_PARAM_OUT_KEY		= BIT(3),
	IEEE802154_LLSEC_PARAM_KEY_SOURCE	= BIT(4),
	IEEE802154_LLSEC_PARAM_PAN_ID		= BIT(5),
	IEEE802154_LLSEC_PARAM_HWADDR		= BIT(6),
	IEEE802154_LLSEC_PARAM_COORD_HWADDR	= BIT(7),
	IEEE802154_LLSEC_PARAM_COORD_SHORTADDR	= BIT(8),
};

struct ieee802154_llsec_ops {
	int (*get_params)(struct net_device *dev,
			  struct ieee802154_llsec_params *params);
	int (*set_params)(struct net_device *dev,
			  const struct ieee802154_llsec_params *params,
			  int changed);

	int (*add_key)(struct net_device *dev,
		       const struct ieee802154_llsec_key_id *id,
		       const struct ieee802154_llsec_key *key);
	int (*del_key)(struct net_device *dev,
		       const struct ieee802154_llsec_key_id *id);

	int (*add_dev)(struct net_device *dev,
		       const struct ieee802154_llsec_device *llsec_dev);
	int (*del_dev)(struct net_device *dev, __le64 dev_addr);

	int (*add_devkey)(struct net_device *dev,
			  __le64 device_addr,
			  const struct ieee802154_llsec_device_key *key);
	int (*del_devkey)(struct net_device *dev,
			  __le64 device_addr,
			  const struct ieee802154_llsec_device_key *key);

	int (*add_seclevel)(struct net_device *dev,
			    const struct ieee802154_llsec_seclevel *sl);
	int (*del_seclevel)(struct net_device *dev,
			    const struct ieee802154_llsec_seclevel *sl);

	void (*lock_table)(struct net_device *dev);
	void (*get_table)(struct net_device *dev,
			  struct ieee802154_llsec_table **t);
	void (*unlock_table)(struct net_device *dev);
};
/*
 * This should be located at net_device->ml_priv
 *
 * get_phy should increment the reference counting on returned phy.
 * Use wpan_wpy_put to put that reference.
 */
struct ieee802154_mlme_ops {
	/* The following fields are optional (can be NULL). */

	int (*assoc_req)(struct net_device *dev,
			struct ieee802154_addr *addr,
			u8 channel, u8 page, u8 cap);
	int (*assoc_resp)(struct net_device *dev,
			struct ieee802154_addr *addr,
			__le16 short_addr, u8 status);
	int (*disassoc_req)(struct net_device *dev,
			struct ieee802154_addr *addr,
			u8 reason);
	int (*start_req)(struct net_device *dev,
			struct ieee802154_addr *addr,
			u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
			u8 pan_coord, u8 blx, u8 coord_realign);
	int (*scan_req)(struct net_device *dev,
			u8 type, u32 channels, u8 page, u8 duration);

	int (*set_mac_params)(struct net_device *dev,
			      const struct ieee802154_mac_params *params);
	void (*get_mac_params)(struct net_device *dev,
			       struct ieee802154_mac_params *params);

	const struct ieee802154_llsec_ops *llsec;
};

static inline struct ieee802154_mlme_ops *
ieee802154_mlme_ops(const struct net_device *dev)
{
	return dev->ml_priv;
}

#endif
Commit	Line	Data
1802d0be	1	/* SPDX-License-Identifier: GPL-2.0-only */
9ec76716 SL	2	/*
	3	* An interface between IEEE802.15.4 device and rest of the kernel.
	4	*
74a02fcf	5	* Copyright (C) 2007-2012 Siemens AG
9ec76716	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>
74a02fcf	12	* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
9ec76716 SL	13	*/
	14
	15	#ifndef IEEE802154_NETDEVICE_H
	16	#define IEEE802154_NETDEVICE_H
	17
94160108 HZ	18	#define IEEE802154_REQUIRED_SIZE(struct_type, member) \
	19	(offsetof(typeof(struct_type), member) + \
	20	sizeof(((typeof(struct_type) *)(NULL))->member))
	21
	22	#define IEEE802154_ADDR_OFFSET \
	23	offsetof(typeof(struct sockaddr_ieee802154), addr)
	24
	25	#define IEEE802154_MIN_NAMELEN (IEEE802154_ADDR_OFFSET + \
	26	IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, addr_type))
	27
	28	#define IEEE802154_NAMELEN_SHORT (IEEE802154_ADDR_OFFSET + \
	29	IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, short_addr))
	30
	31	#define IEEE802154_NAMELEN_LONG (IEEE802154_ADDR_OFFSET + \
	32	IEEE802154_REQUIRED_SIZE(struct ieee802154_addr_sa, hwaddr))
	33
1cd829c8	34	#include <net/af_ieee802154.h>
94b4f6c2 PB	35	#include <linux/netdevice.h>
94b4f6c2 PB	36	#include <linux/skbuff.h>
4ca24aca	37	#include <linux/ieee802154.h>
94b4f6c2	38
7fe9a388 AA	39	#include <net/cfg802154.h>
7fe9a388 AA	40
44def58f MR	41	struct ieee802154_beacon_hdr {
	42	#if defined(__LITTLE_ENDIAN_BITFIELD)
	43	u16 beacon_order:4,
	44	superframe_order:4,
	45	final_cap_slot:4,
	46	battery_life_ext:1,
	47	reserved0:1,
	48	pan_coordinator:1,
	49	assoc_permit:1;
	50	u8 gts_count:3,
	51	gts_reserved:4,
	52	gts_permit:1;
	53	u8 pend_short_addr_count:3,
	54	reserved1:1,
	55	pend_ext_addr_count:3,
	56	reserved2:1;
	57	#elif defined(__BIG_ENDIAN_BITFIELD)
	58	u16 assoc_permit:1,
	59	pan_coordinator:1,
	60	reserved0:1,
	61	battery_life_ext:1,
	62	final_cap_slot:4,
	63	superframe_order:4,
	64	beacon_order:4;
	65	u8 gts_permit:1,
	66	gts_reserved:4,
	67	gts_count:3;
	68	u8 reserved2:1,
	69	pend_ext_addr_count:3,
	70	reserved1:1,
	71	pend_short_addr_count:3;
	72	#else
	73	#error "Please fix <asm/byteorder.h>"
	74	#endif
	75	} __packed;
	76
94b4f6c2 PB	77	struct ieee802154_sechdr {
	78	#if defined(__LITTLE_ENDIAN_BITFIELD)
	79	u8 level:3,
	80	key_id_mode:2,
	81	reserved:3;
	82	#elif defined(__BIG_ENDIAN_BITFIELD)
	83	u8 reserved:3,
	84	key_id_mode:2,
	85	level:3;
	86	#else
	87	#error "Please fix <asm/byteorder.h>"
	88	#endif
	89	u8 key_id;
	90	__le32 frame_counter;
	91	union {
	92	__le32 short_src;
	93	__le64 extended_src;
	94	};
	95	};
1cd829c8	96
94b4f6c2 PB	97	struct ieee802154_hdr_fc {
	98	#if defined(__LITTLE_ENDIAN_BITFIELD)
	99	u16 type:3,
	100	security_enabled:1,
	101	frame_pending:1,
	102	ack_request:1,
	103	intra_pan:1,
	104	reserved:3,
	105	dest_addr_mode:2,
	106	version:2,
	107	source_addr_mode:2;
	108	#elif defined(__BIG_ENDIAN_BITFIELD)
	109	u16 reserved:1,
	110	intra_pan:1,
	111	ack_request:1,
	112	frame_pending:1,
	113	security_enabled:1,
	114	type:3,
	115	source_addr_mode:2,
	116	version:2,
	117	dest_addr_mode:2,
	118	reserved2:2;
	119	#else
	120	#error "Please fix <asm/byteorder.h>"
	121	#endif
	122	};
	123
ea562d8c MR	124	enum ieee802154_frame_version {
	125	IEEE802154_2003_STD,
	126	IEEE802154_2006_STD,
	127	IEEE802154_STD,
	128	IEEE802154_RESERVED_STD,
	129	IEEE802154_MULTIPURPOSE_STD = IEEE802154_2003_STD,
	130	};
	131
3accf476 MR	132	enum ieee802154_addressing_mode {
	133	IEEE802154_NO_ADDRESSING,
	134	IEEE802154_RESERVED,
	135	IEEE802154_SHORT_ADDRESSING,
	136	IEEE802154_EXTENDED_ADDRESSING,
	137	};
	138
94b4f6c2 PB	139	struct ieee802154_hdr {
	140	struct ieee802154_hdr_fc fc;
	141	u8 seq;
	142	struct ieee802154_addr source;
	143	struct ieee802154_addr dest;
	144	struct ieee802154_sechdr sec;
	145	};
	146
3accf476 MR	147	struct ieee802154_beacon_frame {
	148	struct ieee802154_hdr mhr;
	149	struct ieee802154_beacon_hdr mac_pl;
	150	};
	151
94b4f6c2 PB	152	/* pushes hdr onto the skb. fields of hdr->fc that can be calculated from
	153	* the contents of hdr will be, and the actual value of those bits in
	154	* hdr->fc will be ignored. this includes the INTRA_PAN bit and the frame
	155	* version, if SECEN is set.
	156	*/
a1da67b8	157	int ieee802154_hdr_push(struct sk_buff skb, struct ieee802154_hdr hdr);
94b4f6c2 PB	158
	159	/* pulls the entire 802.15.4 header off of the skb, including the security
	160	* header, and performs pan id decompression
	161	*/
	162	int ieee802154_hdr_pull(struct sk_buff skb, struct ieee802154_hdr hdr);
	163
	164	/* parses the frame control, sequence number of address fields in a given skb
	165	* and stores them into hdr, performing pan id decompression and length checks
	166	* to be suitable for use in header_ops.parse
	167	*/
	168	int ieee802154_hdr_peek_addrs(const struct sk_buff *skb,
	169	struct ieee802154_hdr *hdr);
	170
c3a6114f PB	171	/* parses the full 802.15.4 header a given skb and stores them into hdr,
	172	* performing pan id decompression and length checks to be suitable for use in
	173	* header_ops.parse
	174	*/
	175	int ieee802154_hdr_peek(const struct sk_buff skb, struct ieee802154_hdr hdr);
	176
3accf476 MR	177	/* pushes a beacon frame into an skb */
	178	int ieee802154_beacon_push(struct sk_buff *skb,
	179	struct ieee802154_beacon_frame *beacon);
	180
c3a6114f PB	181	int ieee802154_max_payload(const struct ieee802154_hdr *hdr);
	182
	183	static inline int
	184	ieee802154_sechdr_authtag_len(const struct ieee802154_sechdr *sec)
	185	{
	186	switch (sec->level) {
	187	case IEEE802154_SCF_SECLEVEL_MIC32:
	188	case IEEE802154_SCF_SECLEVEL_ENC_MIC32:
	189	return 4;
	190	case IEEE802154_SCF_SECLEVEL_MIC64:
	191	case IEEE802154_SCF_SECLEVEL_ENC_MIC64:
	192	return 8;
	193	case IEEE802154_SCF_SECLEVEL_MIC128:
	194	case IEEE802154_SCF_SECLEVEL_ENC_MIC128:
	195	return 16;
	196	case IEEE802154_SCF_SECLEVEL_NONE:
	197	case IEEE802154_SCF_SECLEVEL_ENC:
	198	default:
	199	return 0;
	200	}
	201	}
	202
94b4f6c2 PB	203	static inline int ieee802154_hdr_length(struct sk_buff *skb)
	204	{
	205	struct ieee802154_hdr hdr;
	206	int len = ieee802154_hdr_pull(skb, &hdr);
	207
	208	if (len > 0)
	209	skb_push(skb, len);
	210
	211	return len;
	212	}
	213
46ef0eb3 PB	214	static inline bool ieee802154_addr_equal(const struct ieee802154_addr *a1,
	215	const struct ieee802154_addr *a2)
	216	{
	217	if (a1->pan_id != a2->pan_id \|\| a1->mode != a2->mode)
	218	return false;
	219
	220	if ((a1->mode == IEEE802154_ADDR_LONG &&
	221	a1->extended_addr != a2->extended_addr) \|\|
	222	(a1->mode == IEEE802154_ADDR_SHORT &&
	223	a1->short_addr != a2->short_addr))
	224	return false;
	225
	226	return true;
	227	}
	228
	229	static inline __le64 ieee802154_devaddr_from_raw(const void *raw)
	230	{
	231	u64 temp;
	232
	233	memcpy(&temp, raw, IEEE802154_ADDR_LEN);
	234	return (__force __le64)swab64(temp);
	235	}
	236
	237	static inline void ieee802154_devaddr_to_raw(void *raw, __le64 addr)
	238	{
	239	u64 temp = swab64((__force u64)addr);
	240
	241	memcpy(raw, &temp, IEEE802154_ADDR_LEN);
	242	}
	243
94160108 HZ	244	static inline int
	245	ieee802154_sockaddr_check_size(struct sockaddr_ieee802154 *daddr, int len)
	246	{
	247	struct ieee802154_addr_sa *sa;
30393181	248	int ret = 0;
94160108 HZ	249
	250	sa = &daddr->addr;
	251	if (len < IEEE802154_MIN_NAMELEN)
	252	return -EINVAL;
	253	switch (sa->addr_type) {
30393181 AA	254	case IEEE802154_ADDR_NONE:
30393181 AA	255	break;
94160108 HZ	256	case IEEE802154_ADDR_SHORT:
94160108 HZ	257	if (len < IEEE802154_NAMELEN_SHORT)
30393181	258	ret = -EINVAL;
94160108 HZ	259	break;
	260	case IEEE802154_ADDR_LONG:
	261	if (len < IEEE802154_NAMELEN_LONG)
30393181 AA	262	ret = -EINVAL;
	263	break;
	264	default:
	265	ret = -EINVAL;
94160108 HZ	266	break;
94160108 HZ	267	}
30393181	268	return ret;
94160108 HZ	269	}
94160108 HZ	270
46ef0eb3 PB	271	static inline void ieee802154_addr_from_sa(struct ieee802154_addr *a,
	272	const struct ieee802154_addr_sa *sa)
	273	{
	274	a->mode = sa->addr_type;
	275	a->pan_id = cpu_to_le16(sa->pan_id);
	276
	277	switch (a->mode) {
	278	case IEEE802154_ADDR_SHORT:
	279	a->short_addr = cpu_to_le16(sa->short_addr);
	280	break;
	281	case IEEE802154_ADDR_LONG:
	282	a->extended_addr = ieee802154_devaddr_from_raw(sa->hwaddr);
	283	break;
	284	}
	285	}
	286
	287	static inline void ieee802154_addr_to_sa(struct ieee802154_addr_sa *sa,
	288	const struct ieee802154_addr *a)
	289	{
	290	sa->addr_type = a->mode;
	291	sa->pan_id = le16_to_cpu(a->pan_id);
	292
	293	switch (a->mode) {
	294	case IEEE802154_ADDR_SHORT:
	295	sa->short_addr = le16_to_cpu(a->short_addr);
	296	break;
	297	case IEEE802154_ADDR_LONG:
	298	ieee802154_devaddr_to_raw(sa->hwaddr, a->extended_addr);
	299	break;
	300	}
	301	}
	302
9ec76716 SL	303	/*
	304	* A control block of skb passed between the ARPHRD_IEEE802154 device
	305	* and other stack parts.
	306	*/
	307	struct ieee802154_mac_cb {
	308	u8 lqi;
32edc40a PB	309	u8 type;
	310	bool ackreq;
	311	bool secen;
f30be4d5 PB	312	bool secen_override;
	313	u8 seclevel;
	314	bool seclevel_override;
ae531b94 PB	315	struct ieee802154_addr source;
ae531b94 PB	316	struct ieee802154_addr dest;
9ec76716 SL	317	};
	318
	319	static inline struct ieee802154_mac_cb mac_cb(struct sk_buff skb)
	320	{
	321	return (struct ieee802154_mac_cb *)skb->cb;
	322	}
	323
32edc40a	324	static inline struct ieee802154_mac_cb mac_cb_init(struct sk_buff skb)
9ec76716	325	{
32edc40a	326	BUILD_BUG_ON(sizeof(struct ieee802154_mac_cb) > sizeof(skb->cb));
9ec76716	327
32edc40a PB	328	memset(skb->cb, 0, sizeof(struct ieee802154_mac_cb));
32edc40a PB	329	return mac_cb(skb);
9ec76716 SL	330	}
9ec76716 SL	331
dc20759f PB	332	enum {
	333	IEEE802154_LLSEC_DEVKEY_IGNORE,
	334	IEEE802154_LLSEC_DEVKEY_RESTRICT,
f0f77dc6	335	IEEE802154_LLSEC_DEVKEY_RECORD,
dc20759f PB	336
	337	__IEEE802154_LLSEC_DEVKEY_MAX,
	338	};
	339
9ec76716 SL	340	#define IEEE802154_MAC_SCAN_ED 0
	341	#define IEEE802154_MAC_SCAN_ACTIVE 1
	342	#define IEEE802154_MAC_SCAN_PASSIVE 2
	343	#define IEEE802154_MAC_SCAN_ORPHAN 3
	344
e462ded6 PB	345	struct ieee802154_mac_params {
	346	s8 transmit_power;
	347	u8 min_be;
	348	u8 max_be;
	349	u8 csma_retries;
	350	s8 frame_retries;
	351
	352	bool lbt;
7fe9a388	353	struct wpan_phy_cca cca;
e462ded6 PB	354	s32 cca_ed_level;
	355	};
	356
42723448	357	struct wpan_phy;
dc20759f PB	358
dc20759f PB	359	enum {
fe89e690 VB	360	IEEE802154_LLSEC_PARAM_ENABLED = BIT(0),
	361	IEEE802154_LLSEC_PARAM_FRAME_COUNTER = BIT(1),
	362	IEEE802154_LLSEC_PARAM_OUT_LEVEL = BIT(2),
	363	IEEE802154_LLSEC_PARAM_OUT_KEY = BIT(3),
	364	IEEE802154_LLSEC_PARAM_KEY_SOURCE = BIT(4),
	365	IEEE802154_LLSEC_PARAM_PAN_ID = BIT(5),
	366	IEEE802154_LLSEC_PARAM_HWADDR = BIT(6),
	367	IEEE802154_LLSEC_PARAM_COORD_HWADDR = BIT(7),
	368	IEEE802154_LLSEC_PARAM_COORD_SHORTADDR = BIT(8),
dc20759f PB	369	};
dc20759f PB	370
29e02374 PB	371	struct ieee802154_llsec_ops {
	372	int (get_params)(struct net_device dev,
	373	struct ieee802154_llsec_params *params);
	374	int (set_params)(struct net_device dev,
	375	const struct ieee802154_llsec_params *params,
	376	int changed);
	377
	378	int (add_key)(struct net_device dev,
	379	const struct ieee802154_llsec_key_id *id,
	380	const struct ieee802154_llsec_key *key);
	381	int (del_key)(struct net_device dev,
	382	const struct ieee802154_llsec_key_id *id);
	383
	384	int (add_dev)(struct net_device dev,
	385	const struct ieee802154_llsec_device *llsec_dev);
	386	int (del_dev)(struct net_device dev, __le64 dev_addr);
	387
	388	int (add_devkey)(struct net_device dev,
	389	__le64 device_addr,
	390	const struct ieee802154_llsec_device_key *key);
	391	int (del_devkey)(struct net_device dev,
	392	__le64 device_addr,
	393	const struct ieee802154_llsec_device_key *key);
	394
	395	int (add_seclevel)(struct net_device dev,
	396	const struct ieee802154_llsec_seclevel *sl);
	397	int (del_seclevel)(struct net_device dev,
	398	const struct ieee802154_llsec_seclevel *sl);
	399
	400	void (lock_table)(struct net_device dev);
	401	void (get_table)(struct net_device dev,
	402	struct ieee802154_llsec_table **t);
	403	void (unlock_table)(struct net_device dev);
	404	};
9ec76716 SL	405	/*
9ec76716 SL	406	* This should be located at net_device->ml_priv
42723448 DES	407	*
	408	* get_phy should increment the reference counting on returned phy.
	409	* Use wpan_wpy_put to put that reference.
9ec76716 SL	410	*/
9ec76716 SL	411	struct ieee802154_mlme_ops {
56aa091d WA	412	/* The following fields are optional (can be NULL). */
56aa091d WA	413
9ec76716	414	int (assoc_req)(struct net_device dev,
ae531b94	415	struct ieee802154_addr *addr,
16eea493	416	u8 channel, u8 page, u8 cap);
9ec76716	417	int (assoc_resp)(struct net_device dev,
ae531b94	418	struct ieee802154_addr *addr,
b70ab2e8	419	__le16 short_addr, u8 status);
9ec76716	420	int (disassoc_req)(struct net_device dev,
ae531b94	421	struct ieee802154_addr *addr,
9ec76716 SL	422	u8 reason);
9ec76716 SL	423	int (start_req)(struct net_device dev,
ae531b94	424	struct ieee802154_addr *addr,
16eea493	425	u8 channel, u8 page, u8 bcn_ord, u8 sf_ord,
9ec76716 SL	426	u8 pan_coord, u8 blx, u8 coord_realign);
9ec76716 SL	427	int (scan_req)(struct net_device dev,
16eea493	428	u8 type, u32 channels, u8 page, u8 duration);
9ec76716	429
e462ded6 PB	430	int (set_mac_params)(struct net_device dev,
	431	const struct ieee802154_mac_params *params);
	432	void (get_mac_params)(struct net_device dev,
	433	struct ieee802154_mac_params *params);
	434
29663b0c	435	const struct ieee802154_llsec_ops *llsec;
9ec76716 SL	436	};
9ec76716 SL	437
74a02fcf	438	static inline struct ieee802154_mlme_ops *
74a02fcf	439	ieee802154_mlme_ops(const struct net_device *dev)
9ec76716 SL	440	{
	441	return dev->ml_priv;
	442	}
	443
74a02fcf	444	#endif