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kernel/linux-imx6_3.14.28/net/mac802154/mac802154.h 3.5 KB
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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.
   *
   * You should have received a copy of the GNU General Public License along
   * with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * 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 MAC802154_H
  #define MAC802154_H
  
  /* mac802154 device private data */
  struct mac802154_priv {
  	struct ieee802154_dev hw;
  	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	slaves;
  	struct mutex		slaves_mtx;
  
  	/* This one is used for scanning and other jobs not to be interfered
  	 * with serial driver.
  	 */
  	struct workqueue_struct	*dev_workqueue;
  
  	/* SoftMAC device is registered and running. One can add subinterfaces.
  	 * This flag should be modified under slaves_mtx and RTNL, so you can
  	 * read them using any of protection methods.
  	 */
  	bool running;
  };
  
  #define	MAC802154_DEVICE_STOPPED	0x00
  #define MAC802154_DEVICE_RUN		0x01
  
  /* 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 mac802154_sub_if_data {
  	struct list_head list; /* the ieee802154_priv->slaves list */
  
  	struct mac802154_priv *hw;
  	struct net_device *dev;
  
  	int type;
  
  	spinlock_t mib_lock;
  
  	__le16 pan_id;
  	__le16 short_addr;
  
  	u8 chan;
  	u8 page;
  
  	/* MAC BSN field */
  	u8 bsn;
  	/* MAC DSN field */
  	u8 dsn;
  };
  
  #define mac802154_to_priv(_hw)	container_of(_hw, struct mac802154_priv, hw)
  
  #define MAC802154_CHAN_NONE		0xff /* No channel is assigned */
  
  extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
  extern struct ieee802154_mlme_ops mac802154_mlme_wpan;
  
  int mac802154_slave_open(struct net_device *dev);
  int mac802154_slave_close(struct net_device *dev);
  
  void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
  void mac802154_monitor_setup(struct net_device *dev);
  
  void mac802154_wpans_rx(struct mac802154_priv *priv, struct sk_buff *skb);
  void mac802154_wpan_setup(struct net_device *dev);
  
  netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
  			 u8 page, u8 chan);
  
  /* MIB callbacks */
  void mac802154_dev_set_short_addr(struct net_device *dev, u16 val);
  u16 mac802154_dev_get_short_addr(const struct net_device *dev);
  void mac802154_dev_set_ieee_addr(struct net_device *dev);
  u16 mac802154_dev_get_pan_id(const struct net_device *dev);
  void mac802154_dev_set_pan_id(struct net_device *dev, u16 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);
  
  #endif /* MAC802154_H */