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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /net/mac802154/ieee802154_i.h
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diff --git a/net/mac802154/ieee802154_i.h b/net/mac802154/ieee802154_i.h
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+/*
+ * 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,
+ unsigned char name_assign_type, enum nl802154_iftype type,
+ __le64 extended_addr);
+void ieee802154_remove_interfaces(struct ieee802154_local *local);
+
+#endif /* __IEEE802154_I_H */