Release 4.14 net/mac802154/ieee802154_i.h
/*
* Copyright (C) 2007-2012 Siemens AG
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Written by:
* Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
*/
#ifndef __IEEE802154_I_H
#define __IEEE802154_I_H
#include <linux/interrupt.h>
#include <linux/mutex.h>
#include <linux/hrtimer.h>
#include <net/cfg802154.h>
#include <net/mac802154.h>
#include <net/nl802154.h>
#include <net/ieee802154_netdev.h>
#include "llsec.h"
/* mac802154 device private data */
struct ieee802154_local {
struct ieee802154_hw hw;
const struct ieee802154_ops *ops;
/* ieee802154 phy */
struct wpan_phy *phy;
int open_count;
/* As in mac80211 slaves list is modified:
* 1) under the RTNL
* 2) protected by slaves_mtx;
* 3) in an RCU manner
*
* So atomic readers can use any of this protection methods.
*/
struct list_head interfaces;
struct mutex iflist_mtx;
/* This one is used for scanning and other jobs not to be interfered
* with serial driver.
*/
struct workqueue_struct *workqueue;
struct hrtimer ifs_timer;
bool started;
bool suspended;
struct tasklet_struct tasklet;
struct sk_buff_head skb_queue;
struct sk_buff *tx_skb;
struct work_struct tx_work;
};
enum {
IEEE802154_RX_MSG = 1,
};
enum ieee802154_sdata_state_bits {
SDATA_STATE_RUNNING,
};
/* Slave interface definition.
*
* Slaves represent typical network interfaces available from userspace.
* Each ieee802154 device/transceiver may have several slaves and able
* to be associated with several networks at the same time.
*/
struct ieee802154_sub_if_data {
struct list_head list; /* the ieee802154_priv->slaves list */
struct wpan_dev wpan_dev;
struct ieee802154_local *local;
struct net_device *dev;
unsigned long state;
char name[IFNAMSIZ];
/* protects sec from concurrent access by netlink. access by
* encrypt/decrypt/header_create safe without additional protection.
*/
struct mutex sec_mtx;
struct mac802154_llsec sec;
};
/* utility functions/constants */
extern const void *const mac802154_wpan_phy_privid; /* for wpan_phy privid */
static inline struct ieee802154_local *
hw_to_local(struct ieee802154_hw *hw)
{
return container_of(hw, struct ieee802154_local, hw);
}
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static inline struct ieee802154_sub_if_data *
IEEE802154_DEV_TO_SUB_IF(const struct net_device *dev)
{
return netdev_priv(dev);
}
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static inline struct ieee802154_sub_if_data *
IEEE802154_WPAN_DEV_TO_SUB_IF(struct wpan_dev *wpan_dev)
{
return container_of(wpan_dev, struct ieee802154_sub_if_data, wpan_dev);
}
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static inline bool
ieee802154_sdata_running(struct ieee802154_sub_if_data *sdata)
{
return test_bit(SDATA_STATE_RUNNING, &sdata->state);
}
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extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
void ieee802154_rx(struct ieee802154_local *local, struct sk_buff *skb);
void ieee802154_xmit_worker(struct work_struct *work);
netdev_tx_t
ieee802154_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev);
netdev_tx_t
ieee802154_subif_start_xmit(struct sk_buff *skb, struct net_device *dev);
enum hrtimer_restart ieee802154_xmit_ifs_timer(struct hrtimer *timer);
/* MIB callbacks */
void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan);
int mac802154_get_params(struct net_device *dev,
struct ieee802154_llsec_params *params);
int mac802154_set_params(struct net_device *dev,
const struct ieee802154_llsec_params *params,
int changed);
int mac802154_add_key(struct net_device *dev,
const struct ieee802154_llsec_key_id *id,
const struct ieee802154_llsec_key *key);
int mac802154_del_key(struct net_device *dev,
const struct ieee802154_llsec_key_id *id);
int mac802154_add_dev(struct net_device *dev,
const struct ieee802154_llsec_device *llsec_dev);
int mac802154_del_dev(struct net_device *dev, __le64 dev_addr);
int mac802154_add_devkey(struct net_device *dev,
__le64 device_addr,
const struct ieee802154_llsec_device_key *key);
int mac802154_del_devkey(struct net_device *dev,
__le64 device_addr,
const struct ieee802154_llsec_device_key *key);
int mac802154_add_seclevel(struct net_device *dev,
const struct ieee802154_llsec_seclevel *sl);
int mac802154_del_seclevel(struct net_device *dev,
const struct ieee802154_llsec_seclevel *sl);
void mac802154_lock_table(struct net_device *dev);
void mac802154_get_table(struct net_device *dev,
struct ieee802154_llsec_table **t);
void mac802154_unlock_table(struct net_device *dev);
int mac802154_wpan_update_llsec(struct net_device *dev);
/* interface handling */
int ieee802154_iface_init(void);
void ieee802154_iface_exit(void);
void ieee802154_if_remove(struct ieee802154_sub_if_data *sdata);
struct net_device *
ieee802154_if_add(struct ieee802154_local *local, const char *name,
unsigned char name_assign_type, enum nl802154_iftype type,
__le64 extended_addr);
void ieee802154_remove_interfaces(struct ieee802154_local *local);
void ieee802154_stop_device(struct ieee802154_local *local);
#endif /* __IEEE802154_I_H */
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