/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2007-2012 Siemens AG * * Written by: * Pavel Smolenskiy <[email protected]> * Maxim Gorbachyov <[email protected]> * Dmitry Eremin-Solenikov <[email protected]> * Alexander Smirnov <[email protected]> */ #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" enum ieee802154_ongoing { … }; /* mac802154 device private data */ struct ieee802154_local { … }; enum { … }; enum ieee802154_sdata_state_bits { … }; /* 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 { … }; /* 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) { … } static inline struct ieee802154_sub_if_data * IEEE802154_DEV_TO_SUB_IF(const struct net_device *dev) { … } static inline struct ieee802154_sub_if_data * IEEE802154_WPAN_DEV_TO_SUB_IF(struct wpan_dev *wpan_dev) { … } static inline bool ieee802154_sdata_running(struct ieee802154_sub_if_data *sdata) { … } static inline int ieee802154_get_mac_cmd(struct sk_buff *skb, u8 *mac_cmd) { … } extern struct ieee802154_mlme_ops mac802154_mlme_wpan; void ieee802154_rx(struct ieee802154_local *local, struct sk_buff *skb); void ieee802154_xmit_sync_worker(struct work_struct *work); int ieee802154_sync_and_hold_queue(struct ieee802154_local *local); int ieee802154_mlme_op_pre(struct ieee802154_local *local); int ieee802154_mlme_tx(struct ieee802154_local *local, struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); int ieee802154_mlme_tx_locked(struct ieee802154_local *local, struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); void ieee802154_mlme_op_post(struct ieee802154_local *local); int ieee802154_mlme_tx_one(struct ieee802154_local *local, struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); int ieee802154_mlme_tx_one_locked(struct ieee802154_local *local, struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); 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); /** * ieee802154_hold_queue - hold ieee802154 queue * @local: main mac object * * Hold a queue by incrementing an atomic counter and requesting the netif * queues to be stopped. The queues cannot be woken up while the counter has not * been reset with as any ieee802154_release_queue() calls as needed. */ void ieee802154_hold_queue(struct ieee802154_local *local); /** * ieee802154_release_queue - release ieee802154 queue * @local: main mac object * * Release a queue which is held by decrementing an atomic counter and wake it * up only if the counter reaches 0. */ void ieee802154_release_queue(struct ieee802154_local *local); /** * ieee802154_disable_queue - disable ieee802154 queue * @local: main mac object * * When trying to sync the Tx queue, we cannot just stop the queue * (which is basically a bit being set without proper lock handling) * because it would be racy. We actually need to call netif_tx_disable() * instead, which is done by this helper. Restarting the queue can * however still be done with a regular wake call. */ void ieee802154_disable_queue(struct ieee802154_local *local); /* 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); /* PAN management handling */ void mac802154_scan_worker(struct work_struct *work); int mac802154_trigger_scan_locked(struct ieee802154_sub_if_data *sdata, struct cfg802154_scan_request *request); int mac802154_abort_scan_locked(struct ieee802154_local *local, struct ieee802154_sub_if_data *sdata); int mac802154_process_beacon(struct ieee802154_local *local, struct sk_buff *skb, u8 page, u8 channel); void mac802154_rx_beacon_worker(struct work_struct *work); static inline bool mac802154_is_scanning(struct ieee802154_local *local) { … } void mac802154_beacon_worker(struct work_struct *work); int mac802154_send_beacons_locked(struct ieee802154_sub_if_data *sdata, struct cfg802154_beacon_request *request); int mac802154_stop_beacons_locked(struct ieee802154_local *local, struct ieee802154_sub_if_data *sdata); static inline bool mac802154_is_beaconing(struct ieee802154_local *local) { … } void mac802154_rx_mac_cmd_worker(struct work_struct *work); int mac802154_perform_association(struct ieee802154_sub_if_data *sdata, struct ieee802154_pan_device *coord, __le16 *short_addr); int mac802154_process_association_resp(struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); static inline bool mac802154_is_associating(struct ieee802154_local *local) { … } int mac802154_send_disassociation_notif(struct ieee802154_sub_if_data *sdata, struct ieee802154_pan_device *target, u8 reason); int mac802154_process_disassociation_notif(struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); int mac802154_process_association_req(struct ieee802154_sub_if_data *sdata, struct sk_buff *skb); /* 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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