[thirdparty/kernel/stable.git] / include / net / cfg802154.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2007, 2008, 2009 Siemens AG
 *
 * Written by:
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 */

#ifndef __NET_CFG802154_H
#define __NET_CFG802154_H

#include <linux/ieee802154.h>
#include <linux/netdevice.h>
#include <linux/mutex.h>
#include <linux/bug.h>

#include <net/nl802154.h>

struct wpan_phy;
struct wpan_phy_cca;

#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
struct ieee802154_llsec_device_key;
struct ieee802154_llsec_seclevel;
struct ieee802154_llsec_params;
struct ieee802154_llsec_device;
struct ieee802154_llsec_table;
struct ieee802154_llsec_key_id;
struct ieee802154_llsec_key;
#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */

struct cfg802154_ops {
	struct net_device * (*add_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
							   const char *name,
							   unsigned char name_assign_type,
							   int type);
	void	(*del_virtual_intf_deprecated)(struct wpan_phy *wpan_phy,
					       struct net_device *dev);
	int	(*suspend)(struct wpan_phy *wpan_phy);
	int	(*resume)(struct wpan_phy *wpan_phy);
	int	(*add_virtual_intf)(struct wpan_phy *wpan_phy,
				    const char *name,
				    unsigned char name_assign_type,
				    enum nl802154_iftype type,
				    __le64 extended_addr);
	int	(*del_virtual_intf)(struct wpan_phy *wpan_phy,
				    struct wpan_dev *wpan_dev);
	int	(*set_channel)(struct wpan_phy *wpan_phy, u8 page, u8 channel);
	int	(*set_cca_mode)(struct wpan_phy *wpan_phy,
				const struct wpan_phy_cca *cca);
	int     (*set_cca_ed_level)(struct wpan_phy *wpan_phy, s32 ed_level);
	int     (*set_tx_power)(struct wpan_phy *wpan_phy, s32 power);
	int	(*set_pan_id)(struct wpan_phy *wpan_phy,
			      struct wpan_dev *wpan_dev, __le16 pan_id);
	int	(*set_short_addr)(struct wpan_phy *wpan_phy,
				  struct wpan_dev *wpan_dev, __le16 short_addr);
	int	(*set_backoff_exponent)(struct wpan_phy *wpan_phy,
					struct wpan_dev *wpan_dev, u8 min_be,
					u8 max_be);
	int	(*set_max_csma_backoffs)(struct wpan_phy *wpan_phy,
					 struct wpan_dev *wpan_dev,
					 u8 max_csma_backoffs);
	int	(*set_max_frame_retries)(struct wpan_phy *wpan_phy,
					 struct wpan_dev *wpan_dev,
					 s8 max_frame_retries);
	int	(*set_lbt_mode)(struct wpan_phy *wpan_phy,
				struct wpan_dev *wpan_dev, bool mode);
	int	(*set_ackreq_default)(struct wpan_phy *wpan_phy,
				      struct wpan_dev *wpan_dev, bool ackreq);
#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
	void	(*get_llsec_table)(struct wpan_phy *wpan_phy,
				   struct wpan_dev *wpan_dev,
				   struct ieee802154_llsec_table **table);
	void	(*lock_llsec_table)(struct wpan_phy *wpan_phy,
				    struct wpan_dev *wpan_dev);
	void	(*unlock_llsec_table)(struct wpan_phy *wpan_phy,
				      struct wpan_dev *wpan_dev);
	/* TODO remove locking/get table callbacks, this is part of the
	 * nl802154 interface and should be accessible from ieee802154 layer.
	 */
	int	(*get_llsec_params)(struct wpan_phy *wpan_phy,
				    struct wpan_dev *wpan_dev,
				    struct ieee802154_llsec_params *params);
	int	(*set_llsec_params)(struct wpan_phy *wpan_phy,
				    struct wpan_dev *wpan_dev,
				    const struct ieee802154_llsec_params *params,
				    int changed);
	int	(*add_llsec_key)(struct wpan_phy *wpan_phy,
				 struct wpan_dev *wpan_dev,
				 const struct ieee802154_llsec_key_id *id,
				 const struct ieee802154_llsec_key *key);
	int	(*del_llsec_key)(struct wpan_phy *wpan_phy,
				 struct wpan_dev *wpan_dev,
				 const struct ieee802154_llsec_key_id *id);
	int	(*add_seclevel)(struct wpan_phy *wpan_phy,
				 struct wpan_dev *wpan_dev,
				 const struct ieee802154_llsec_seclevel *sl);
	int	(*del_seclevel)(struct wpan_phy *wpan_phy,
				 struct wpan_dev *wpan_dev,
				 const struct ieee802154_llsec_seclevel *sl);
	int	(*add_device)(struct wpan_phy *wpan_phy,
			      struct wpan_dev *wpan_dev,
			      const struct ieee802154_llsec_device *dev);
	int	(*del_device)(struct wpan_phy *wpan_phy,
			      struct wpan_dev *wpan_dev, __le64 extended_addr);
	int	(*add_devkey)(struct wpan_phy *wpan_phy,
			      struct wpan_dev *wpan_dev,
			      __le64 extended_addr,
			      const struct ieee802154_llsec_device_key *key);
	int	(*del_devkey)(struct wpan_phy *wpan_phy,
			      struct wpan_dev *wpan_dev,
			      __le64 extended_addr,
			      const struct ieee802154_llsec_device_key *key);
#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
};

static inline bool
wpan_phy_supported_bool(bool b, enum nl802154_supported_bool_states st)
{
	switch (st) {
	case NL802154_SUPPORTED_BOOL_TRUE:
		return b;
	case NL802154_SUPPORTED_BOOL_FALSE:
		return !b;
	case NL802154_SUPPORTED_BOOL_BOTH:
		return true;
	default:
		WARN_ON(1);
	}

	return false;
}

struct wpan_phy_supported {
	u32 channels[IEEE802154_MAX_PAGE + 1],
	    cca_modes, cca_opts, iftypes;
	enum nl802154_supported_bool_states lbt;
	u8 min_minbe, max_minbe, min_maxbe, max_maxbe,
	   min_csma_backoffs, max_csma_backoffs;
	s8 min_frame_retries, max_frame_retries;
	size_t tx_powers_size, cca_ed_levels_size;
	const s32 *tx_powers, *cca_ed_levels;
};

struct wpan_phy_cca {
	enum nl802154_cca_modes mode;
	enum nl802154_cca_opts opt;
};

static inline bool
wpan_phy_cca_cmp(const struct wpan_phy_cca *a, const struct wpan_phy_cca *b)
{
	if (a->mode != b->mode)
		return false;

	if (a->mode == NL802154_CCA_ENERGY_CARRIER)
		return a->opt == b->opt;

	return true;
}

/**
 * @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support
 *	transmit power setting.
 * @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed
 *	level setting.
 * @WPAN_PHY_FLAG_CCA_MODE: Indicates that transceiver will support cca mode
 *	setting.
 */
enum wpan_phy_flags {
	WPAN_PHY_FLAG_TXPOWER		= BIT(1),
	WPAN_PHY_FLAG_CCA_ED_LEVEL	= BIT(2),
	WPAN_PHY_FLAG_CCA_MODE		= BIT(3),
};

struct wpan_phy {
	/* If multiple wpan_phys are registered and you're handed e.g.
	 * a regular netdev with assigned ieee802154_ptr, you won't
	 * know whether it points to a wpan_phy your driver has registered
	 * or not. Assign this to something global to your driver to
	 * help determine whether you own this wpan_phy or not.
	 */
	const void *privid;

	u32 flags;

	/*
	 * This is a PIB according to 802.15.4-2011.
	 * We do not provide timing-related variables, as they
	 * aren't used outside of driver
	 */
	u8 current_channel;
	u8 current_page;
	struct wpan_phy_supported supported;
	/* current transmit_power in mBm */
	s32 transmit_power;
	struct wpan_phy_cca cca;

	__le64 perm_extended_addr;

	/* current cca ed threshold in mBm */
	s32 cca_ed_level;

	/* PHY depended MAC PIB values */

	/* 802.15.4 acronym: Tdsym in usec */
	u8 symbol_duration;
	/* lifs and sifs periods timing */
	u16 lifs_period;
	u16 sifs_period;

	struct device dev;

	/* the network namespace this phy lives in currently */
	possible_net_t _net;

	char priv[0] __aligned(NETDEV_ALIGN);
};

static inline struct net *wpan_phy_net(struct wpan_phy *wpan_phy)
{
	return read_pnet(&wpan_phy->_net);
}

static inline void wpan_phy_net_set(struct wpan_phy *wpan_phy, struct net *net)
{
	write_pnet(&wpan_phy->_net, net);
}

struct ieee802154_addr {
	u8 mode;
	__le16 pan_id;
	union {
		__le16 short_addr;
		__le64 extended_addr;
	};
};

struct ieee802154_llsec_key_id {
	u8 mode;
	u8 id;
	union {
		struct ieee802154_addr device_addr;
		__le32 short_source;
		__le64 extended_source;
	};
};

#define IEEE802154_LLSEC_KEY_SIZE 16

struct ieee802154_llsec_key {
	u8 frame_types;
	u32 cmd_frame_ids;
	/* TODO replace with NL802154_KEY_SIZE */
	u8 key[IEEE802154_LLSEC_KEY_SIZE];
};

struct ieee802154_llsec_key_entry {
	struct list_head list;

	struct ieee802154_llsec_key_id id;
	struct ieee802154_llsec_key *key;
};

struct ieee802154_llsec_params {
	bool enabled;

	__be32 frame_counter;
	u8 out_level;
	struct ieee802154_llsec_key_id out_key;

	__le64 default_key_source;

	__le16 pan_id;
	__le64 hwaddr;
	__le64 coord_hwaddr;
	__le16 coord_shortaddr;
};

struct ieee802154_llsec_table {
	struct list_head keys;
	struct list_head devices;
	struct list_head security_levels;
};

struct ieee802154_llsec_seclevel {
	struct list_head list;

	u8 frame_type;
	u8 cmd_frame_id;
	bool device_override;
	u32 sec_levels;
};

struct ieee802154_llsec_device {
	struct list_head list;

	__le16 pan_id;
	__le16 short_addr;
	__le64 hwaddr;
	u32 frame_counter;
	bool seclevel_exempt;

	u8 key_mode;
	struct list_head keys;
};

struct ieee802154_llsec_device_key {
	struct list_head list;

	struct ieee802154_llsec_key_id key_id;
	u32 frame_counter;
};

struct wpan_dev_header_ops {
	/* TODO create callback currently assumes ieee802154_mac_cb inside
	 * skb->cb. This should be changed to give these information as
	 * parameter.
	 */
	int	(*create)(struct sk_buff *skb, struct net_device *dev,
			  const struct ieee802154_addr *daddr,
			  const struct ieee802154_addr *saddr,
			  unsigned int len);
};

struct wpan_dev {
	struct wpan_phy *wpan_phy;
	int iftype;

	/* the remainder of this struct should be private to cfg802154 */
	struct list_head list;
	struct net_device *netdev;

	const struct wpan_dev_header_ops *header_ops;

	/* lowpan interface, set when the wpan_dev belongs to one lowpan_dev */
	struct net_device *lowpan_dev;

	u32 identifier;

	/* MAC PIB */
	__le16 pan_id;
	__le16 short_addr;
	__le64 extended_addr;

	/* MAC BSN field */
	atomic_t bsn;
	/* MAC DSN field */
	atomic_t dsn;

	u8 min_be;
	u8 max_be;
	u8 csma_retries;
	s8 frame_retries;

	bool lbt;

	bool promiscuous_mode;

	/* fallback for acknowledgment bit setting */
	bool ackreq;
};

#define to_phy(_dev)	container_of(_dev, struct wpan_phy, dev)

static inline int
wpan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
		     const struct ieee802154_addr *daddr,
		     const struct ieee802154_addr *saddr,
		     unsigned int len)
{
	struct wpan_dev *wpan_dev = dev->ieee802154_ptr;

	return wpan_dev->header_ops->create(skb, dev, daddr, saddr, len);
}

struct wpan_phy *
wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
static inline void wpan_phy_set_dev(struct wpan_phy *phy, struct device *dev)
{
	phy->dev.parent = dev;
}

int wpan_phy_register(struct wpan_phy *phy);
void wpan_phy_unregister(struct wpan_phy *phy);
void wpan_phy_free(struct wpan_phy *phy);
/* Same semantics as for class_for_each_device */
int wpan_phy_for_each(int (*fn)(struct wpan_phy *phy, void *data), void *data);

static inline void *wpan_phy_priv(struct wpan_phy *phy)
{
	BUG_ON(!phy);
	return &phy->priv;
}

struct wpan_phy *wpan_phy_find(const char *str);

static inline void wpan_phy_put(struct wpan_phy *phy)
{
	put_device(&phy->dev);
}

static inline const char *wpan_phy_name(struct wpan_phy *phy)
{
	return dev_name(&phy->dev);
}

#endif /* __NET_CFG802154_H */
Commit	Line	Data
1802d0be	1	/* SPDX-License-Identifier: GPL-2.0-only */
2bfb1070 DB	2	/*
	3	* Copyright (C) 2007, 2008, 2009 Siemens AG
	4	*
2bfb1070 DB	5	* Written by:
	6	* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
	7	*/
	8
5ad60d36 AA	9	#ifndef __NET_CFG802154_H
5ad60d36 AA	10	#define __NET_CFG802154_H
2bfb1070	11
cb41c8dd	12	#include <linux/ieee802154.h>
2bfb1070 DB	13	#include <linux/netdevice.h>
2bfb1070 DB	14	#include <linux/mutex.h>
187f1882	15	#include <linux/bug.h>
2bfb1070	16
f3ea5e44 AA	17	#include <net/nl802154.h>
f3ea5e44 AA	18
a5dd1d72	19	struct wpan_phy;
ba2a9506	20	struct wpan_phy_cca;
a5dd1d72	21
a26c5fd7 AA	22	#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
	23	struct ieee802154_llsec_device_key;
	24	struct ieee802154_llsec_seclevel;
	25	struct ieee802154_llsec_params;
	26	struct ieee802154_llsec_device;
	27	struct ieee802154_llsec_table;
	28	struct ieee802154_llsec_key_id;
	29	struct ieee802154_llsec_key;
	30	#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
	31
a5dd1d72	32	struct cfg802154_ops {
4a9a816a AA	33	struct net_device * (add_virtual_intf_deprecated)(struct wpan_phy wpan_phy,
4a9a816a AA	34	const char *name,
5b4a1039	35	unsigned char name_assign_type,
4a9a816a	36	int type);
9d30a8cf AA	37	void (del_virtual_intf_deprecated)(struct wpan_phy wpan_phy,
9d30a8cf AA	38	struct net_device *dev);
a6cb869b VB	39	int (suspend)(struct wpan_phy wpan_phy);
a6cb869b VB	40	int (resume)(struct wpan_phy wpan_phy);
f3ea5e44 AA	41	int (add_virtual_intf)(struct wpan_phy wpan_phy,
f3ea5e44 AA	42	const char *name,
5b4a1039	43	unsigned char name_assign_type,
0e57547e AA	44	enum nl802154_iftype type,
0e57547e AA	45	__le64 extended_addr);
b821ecd4 AA	46	int (del_virtual_intf)(struct wpan_phy wpan_phy,
b821ecd4 AA	47	struct wpan_dev *wpan_dev);
ab0bd561	48	int (set_channel)(struct wpan_phy wpan_phy, u8 page, u8 channel);
ba2a9506 AA	49	int (set_cca_mode)(struct wpan_phy wpan_phy,
ba2a9506 AA	50	const struct wpan_phy_cca *cca);
b69644c1	51	int (set_cca_ed_level)(struct wpan_phy wpan_phy, s32 ed_level);
0f999b09	52	int (set_tx_power)(struct wpan_phy wpan_phy, s32 power);
702bf371	53	int (set_pan_id)(struct wpan_phy wpan_phy,
ee7b9053	54	struct wpan_dev *wpan_dev, __le16 pan_id);
9830c62a	55	int (set_short_addr)(struct wpan_phy wpan_phy,
ee7b9053	56	struct wpan_dev *wpan_dev, __le16 short_addr);
656a999e AA	57	int (set_backoff_exponent)(struct wpan_phy wpan_phy,
	58	struct wpan_dev *wpan_dev, u8 min_be,
	59	u8 max_be);
a01ba765 AA	60	int (set_max_csma_backoffs)(struct wpan_phy wpan_phy,
	61	struct wpan_dev *wpan_dev,
	62	u8 max_csma_backoffs);
17a3a46b AA	63	int (set_max_frame_retries)(struct wpan_phy wpan_phy,
	64	struct wpan_dev *wpan_dev,
	65	s8 max_frame_retries);
c8937a1d AA	66	int (set_lbt_mode)(struct wpan_phy wpan_phy,
c8937a1d AA	67	struct wpan_dev *wpan_dev, bool mode);
c91208d8 AA	68	int (set_ackreq_default)(struct wpan_phy wpan_phy,
c91208d8 AA	69	struct wpan_dev *wpan_dev, bool ackreq);
a26c5fd7 AA	70	#ifdef CONFIG_IEEE802154_NL802154_EXPERIMENTAL
	71	void (get_llsec_table)(struct wpan_phy wpan_phy,
	72	struct wpan_dev *wpan_dev,
	73	struct ieee802154_llsec_table **table);
	74	void (lock_llsec_table)(struct wpan_phy wpan_phy,
	75	struct wpan_dev *wpan_dev);
	76	void (unlock_llsec_table)(struct wpan_phy wpan_phy,
	77	struct wpan_dev *wpan_dev);
	78	/* TODO remove locking/get table callbacks, this is part of the
	79	* nl802154 interface and should be accessible from ieee802154 layer.
	80	*/
	81	int (get_llsec_params)(struct wpan_phy wpan_phy,
	82	struct wpan_dev *wpan_dev,
	83	struct ieee802154_llsec_params *params);
	84	int (set_llsec_params)(struct wpan_phy wpan_phy,
	85	struct wpan_dev *wpan_dev,
	86	const struct ieee802154_llsec_params *params,
	87	int changed);
	88	int (add_llsec_key)(struct wpan_phy wpan_phy,
	89	struct wpan_dev *wpan_dev,
	90	const struct ieee802154_llsec_key_id *id,
	91	const struct ieee802154_llsec_key *key);
	92	int (del_llsec_key)(struct wpan_phy wpan_phy,
	93	struct wpan_dev *wpan_dev,
	94	const struct ieee802154_llsec_key_id *id);
	95	int (add_seclevel)(struct wpan_phy wpan_phy,
	96	struct wpan_dev *wpan_dev,
	97	const struct ieee802154_llsec_seclevel *sl);
	98	int (del_seclevel)(struct wpan_phy wpan_phy,
	99	struct wpan_dev *wpan_dev,
	100	const struct ieee802154_llsec_seclevel *sl);
	101	int (add_device)(struct wpan_phy wpan_phy,
	102	struct wpan_dev *wpan_dev,
	103	const struct ieee802154_llsec_device *dev);
	104	int (del_device)(struct wpan_phy wpan_phy,
	105	struct wpan_dev *wpan_dev, __le64 extended_addr);
	106	int (add_devkey)(struct wpan_phy wpan_phy,
	107	struct wpan_dev *wpan_dev,
	108	__le64 extended_addr,
	109	const struct ieee802154_llsec_device_key *key);
	110	int (del_devkey)(struct wpan_phy wpan_phy,
	111	struct wpan_dev *wpan_dev,
	112	__le64 extended_addr,
	113	const struct ieee802154_llsec_device_key *key);
	114	#endif /* CONFIG_IEEE802154_NL802154_EXPERIMENTAL */
a5dd1d72 AA	115	};
a5dd1d72 AA	116
fea3318d AA	117	static inline bool
	118	wpan_phy_supported_bool(bool b, enum nl802154_supported_bool_states st)
	119	{
	120	switch (st) {
	121	case NL802154_SUPPORTED_BOOL_TRUE:
	122	return b;
	123	case NL802154_SUPPORTED_BOOL_FALSE:
	124	return !b;
	125	case NL802154_SUPPORTED_BOOL_BOTH:
	126	return true;
	127	default:
	128	WARN_ON(1);
	129	}
	130
	131	return false;
	132	}
	133
72f655e4	134	struct wpan_phy_supported {
fea3318d	135	u32 channels[IEEE802154_MAX_PAGE + 1],
65318680	136	cca_modes, cca_opts, iftypes;
fea3318d AA	137	enum nl802154_supported_bool_states lbt;
	138	u8 min_minbe, max_minbe, min_maxbe, max_maxbe,
	139	min_csma_backoffs, max_csma_backoffs;
	140	s8 min_frame_retries, max_frame_retries;
	141	size_t tx_powers_size, cca_ed_levels_size;
	142	const s32 tx_powers, cca_ed_levels;
72f655e4 AA	143	};
72f655e4 AA	144
7fe9a388 AA	145	struct wpan_phy_cca {
	146	enum nl802154_cca_modes mode;
	147	enum nl802154_cca_opts opt;
	148	};
	149
791021bf AA	150	static inline bool
	151	wpan_phy_cca_cmp(const struct wpan_phy_cca a, const struct wpan_phy_cca b)
	152	{
	153	if (a->mode != b->mode)
	154	return false;
	155
	156	if (a->mode == NL802154_CCA_ENERGY_CARRIER)
	157	return a->opt == b->opt;
	158
	159	return true;
	160	}
	161
edea8f7c AA	162	/**
	163	* @WPAN_PHY_FLAG_TRANSMIT_POWER: Indicates that transceiver will support
	164	* transmit power setting.
	165	* @WPAN_PHY_FLAG_CCA_ED_LEVEL: Indicates that transceiver will support cca ed
	166	* level setting.
	167	* @WPAN_PHY_FLAG_CCA_MODE: Indicates that transceiver will support cca mode
	168	* setting.
	169	*/
	170	enum wpan_phy_flags {
	171	WPAN_PHY_FLAG_TXPOWER = BIT(1),
	172	WPAN_PHY_FLAG_CCA_ED_LEVEL = BIT(2),
	173	WPAN_PHY_FLAG_CCA_MODE = BIT(3),
	174	};
	175
2bfb1070	176	struct wpan_phy {
6322d50d AA	177	/* If multiple wpan_phys are registered and you're handed e.g.
	178	* a regular netdev with assigned ieee802154_ptr, you won't
	179	* know whether it points to a wpan_phy your driver has registered
	180	* or not. Assign this to something global to your driver to
	181	* help determine whether you own this wpan_phy or not.
	182	*/
	183	const void *privid;
	184
edea8f7c AA	185	u32 flags;
edea8f7c AA	186
2bfb1070	187	/*
9b2777d6	188	* This is a PIB according to 802.15.4-2011.
2bfb1070 DB	189	* We do not provide timing-related variables, as they
	190	* aren't used outside of driver
	191	*/
	192	u8 current_channel;
	193	u8 current_page;
72f655e4	194	struct wpan_phy_supported supported;
e2eb173a	195	/* current transmit_power in mBm */
1a19cb68	196	s32 transmit_power;
7fe9a388	197	struct wpan_phy_cca cca;
dee56d14 AA	198
dee56d14 AA	199	__le64 perm_extended_addr;
2bfb1070	200
32b23550	201	/* current cca ed threshold in mBm */
6ca00197	202	s32 cca_ed_level;
84dda3c6	203
61f2dcba AA	204	/* PHY depended MAC PIB values */
	205
	206	/* 802.15.4 acronym: Tdsym in usec */
	207	u8 symbol_duration;
	208	/* lifs and sifs periods timing */
	209	u16 lifs_period;
	210	u16 sifs_period;
	211
2bfb1070	212	struct device dev;
2bfb1070	213
66e5c267 AA	214	/* the network namespace this phy lives in currently */
	215	possible_net_t _net;
	216
4896167d	217	char priv[0] __aligned(NETDEV_ALIGN);
2bfb1070 DB	218	};
2bfb1070 DB	219
66e5c267 AA	220	static inline struct net wpan_phy_net(struct wpan_phy wpan_phy)
	221	{
	222	return read_pnet(&wpan_phy->_net);
	223	}
	224
	225	static inline void wpan_phy_net_set(struct wpan_phy wpan_phy, struct net net)
	226	{
	227	write_pnet(&wpan_phy->_net, net);
	228	}
	229
838b83d6 AA	230	struct ieee802154_addr {
	231	u8 mode;
	232	__le16 pan_id;
	233	union {
	234	__le16 short_addr;
	235	__le64 extended_addr;
	236	};
	237	};
	238
a26c5fd7 AA	239	struct ieee802154_llsec_key_id {
	240	u8 mode;
	241	u8 id;
	242	union {
	243	struct ieee802154_addr device_addr;
	244	__le32 short_source;
	245	__le64 extended_source;
	246	};
	247	};
	248
	249	#define IEEE802154_LLSEC_KEY_SIZE 16
	250
	251	struct ieee802154_llsec_key {
	252	u8 frame_types;
	253	u32 cmd_frame_ids;
	254	/* TODO replace with NL802154_KEY_SIZE */
	255	u8 key[IEEE802154_LLSEC_KEY_SIZE];
	256	};
	257
	258	struct ieee802154_llsec_key_entry {
	259	struct list_head list;
	260
	261	struct ieee802154_llsec_key_id id;
	262	struct ieee802154_llsec_key *key;
	263	};
	264
	265	struct ieee802154_llsec_params {
	266	bool enabled;
	267
	268	__be32 frame_counter;
	269	u8 out_level;
	270	struct ieee802154_llsec_key_id out_key;
	271
	272	__le64 default_key_source;
	273
	274	__le16 pan_id;
	275	__le64 hwaddr;
	276	__le64 coord_hwaddr;
	277	__le16 coord_shortaddr;
	278	};
	279
	280	struct ieee802154_llsec_table {
	281	struct list_head keys;
	282	struct list_head devices;
	283	struct list_head security_levels;
	284	};
	285
	286	struct ieee802154_llsec_seclevel {
	287	struct list_head list;
	288
	289	u8 frame_type;
	290	u8 cmd_frame_id;
	291	bool device_override;
	292	u32 sec_levels;
	293	};
	294
	295	struct ieee802154_llsec_device {
	296	struct list_head list;
	297
	298	__le16 pan_id;
	299	__le16 short_addr;
	300	__le64 hwaddr;
	301	u32 frame_counter;
	302	bool seclevel_exempt;
303
304	u8 key_mode;
305	struct list_head keys;
306	};
307
308	struct ieee802154_llsec_device_key {
309	struct list_head list;
310
311	struct ieee802154_llsec_key_id key_id;
312	u32 frame_counter;
313	};
314
838b83d6 AA	315	struct wpan_dev_header_ops {
	316	/* TODO create callback currently assumes ieee802154_mac_cb inside
	317	* skb->cb. This should be changed to give these information as
	318	* parameter.
	319	*/
	320	int (create)(struct sk_buff skb, struct net_device *dev,
	321	const struct ieee802154_addr *daddr,
	322	const struct ieee802154_addr *saddr,
	323	unsigned int len);
	324	};
	325
d5ae67ba AA	326	struct wpan_dev {
d5ae67ba AA	327	struct wpan_phy *wpan_phy;
190ac1ca	328	int iftype;
863e88f2	329
fcf39e6e AA	330	/* the remainder of this struct should be private to cfg802154 */
	331	struct list_head list;
	332	struct net_device *netdev;
	333
838b83d6 AA	334	const struct wpan_dev_header_ops *header_ops;
838b83d6 AA	335
51e0e5d8 AA	336	/* lowpan interface, set when the wpan_dev belongs to one lowpan_dev */
	337	struct net_device *lowpan_dev;
	338
fcf39e6e AA	339	u32 identifier;
fcf39e6e AA	340
863e88f2 AA	341	/* MAC PIB */
	342	__le16 pan_id;
	343	__le16 short_addr;
	344	__le64 extended_addr;
	345
	346	/* MAC BSN field */
344f8c11	347	atomic_t bsn;
863e88f2	348	/* MAC DSN field */
344f8c11	349	atomic_t dsn;
863e88f2 AA	350
	351	u8 min_be;
	352	u8 max_be;
	353	u8 csma_retries;
	354	s8 frame_retries;
	355
	356	bool lbt;
	357
	358	bool promiscuous_mode;
c91208d8 AA	359
	360	/* fallback for acknowledgment bit setting */
	361	bool ackreq;
d5ae67ba AA	362	};
d5ae67ba AA	363
42723448 DB	364	#define to_phy(_dev) container_of(_dev, struct wpan_phy, dev)
42723448 DB	365
838b83d6 AA	366	static inline int
	367	wpan_dev_hard_header(struct sk_buff skb, struct net_device dev,
	368	const struct ieee802154_addr *daddr,
	369	const struct ieee802154_addr *saddr,
	370	unsigned int len)
	371	{
	372	struct wpan_dev *wpan_dev = dev->ieee802154_ptr;
	373
	374	return wpan_dev->header_ops->create(skb, dev, daddr, saddr, len);
	375	}
	376
a5dd1d72	377	struct wpan_phy *
f601379f	378	wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size);
e9cf356c DB	379	static inline void wpan_phy_set_dev(struct wpan_phy phy, struct device dev)
	380	{
	381	phy->dev.parent = dev;
	382	}
e72740d0	383
e9cf356c	384	int wpan_phy_register(struct wpan_phy *phy);
2bfb1070 DB	385	void wpan_phy_unregister(struct wpan_phy *phy);
2bfb1070 DB	386	void wpan_phy_free(struct wpan_phy *phy);
1c889f4d DB	387	/* Same semantics as for class_for_each_device */
1c889f4d DB	388	int wpan_phy_for_each(int (fn)(struct wpan_phy phy, void data), void data);
2bfb1070 DB	389
	390	static inline void wpan_phy_priv(struct wpan_phy phy)
	391	{
	392	BUG_ON(!phy);
	393	return &phy->priv;
	394	}
	395
	396	struct wpan_phy wpan_phy_find(const char str);
69d9ab96 DB	397
	398	static inline void wpan_phy_put(struct wpan_phy *phy)
	399	{
	400	put_device(&phy->dev);
	401	}
	402
2bfb1070 DB	403	static inline const char wpan_phy_name(struct wpan_phy phy)
	404	{
	405	return dev_name(&phy->dev);
	406	}
5ad60d36 AA	407
5ad60d36 AA	408	#endif /* __NET_CFG802154_H */