/* * 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/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; struct tasklet_struct tasklet; struct sk_buff_head skb_queue; }; 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]; spinlock_t mib_lock; /* 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; /* must be last, dynamically sized area in this! */ struct ieee802154_vif vif; }; #define MAC802154_CHAN_NONE 0xff /* No channel is assigned */ /* 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); } static inline struct ieee802154_sub_if_data * IEEE802154_DEV_TO_SUB_IF(const struct net_device *dev) { return netdev_priv(dev); } 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); } static inline bool ieee802154_sdata_running(struct ieee802154_sub_if_data *sdata) { return test_bit(SDATA_STATE_RUNNING, &sdata->state); } extern struct ieee802154_mlme_ops mac802154_mlme_wpan; 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_short_addr(struct net_device *dev, __le16 val); __le16 mac802154_dev_get_short_addr(const struct net_device *dev); __le16 mac802154_dev_get_pan_id(const struct net_device *dev); void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val); void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan); u8 mac802154_dev_get_dsn(const struct net_device *dev); 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); /* 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, enum nl802154_iftype type, __le64 extended_addr); void ieee802154_remove_interfaces(struct ieee802154_local *local); #endif /* __IEEE802154_I_H */