1/*
  2 * Copyright (C) 2007-2012 Siemens AG
  3 *
  4 * This program is free software; you can redistribute it and/or modify
  5 * it under the terms of the GNU General Public License version 2
  6 * as published by the Free Software Foundation.
  7 *
  8 * This program is distributed in the hope that it will be useful,
  9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 11 * GNU General Public License for more details.
 12 *
 13 * You should have received a copy of the GNU General Public License along
 14 * with this program; if not, write to the Free Software Foundation, Inc.,
 15 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 16 *
 17 * Written by:
 18 * Pavel Smolenskiy <pavel.smolenskiy@gmail.com>
 19 * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
 20 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 21 * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
 22 */
 23#ifndef MAC802154_H
 24#define MAC802154_H
 25
 26/* mac802154 device private data */
 27struct mac802154_priv {
 28	struct ieee802154_dev hw;
 29	struct ieee802154_ops *ops;
 30
 31	/* ieee802154 phy */
 32	struct wpan_phy *phy;
 33
 34	int open_count;
 35
 36	/* As in mac80211 slaves list is modified:
 37	 * 1) under the RTNL
 38	 * 2) protected by slaves_mtx;
 39	 * 3) in an RCU manner
 40	 *
 41	 * So atomic readers can use any of this protection methods.
 42	 */
 43	struct list_head	slaves;
 44	struct mutex		slaves_mtx;
 45
 46	/* This one is used for scanning and other jobs not to be interfered
 47	 * with serial driver.
 48	 */
 49	struct workqueue_struct	*dev_workqueue;
 50
 51	/* SoftMAC device is registered and running. One can add subinterfaces.
 52	 * This flag should be modified under slaves_mtx and RTNL, so you can
 53	 * read them using any of protection methods.
 54	 */
 55	bool running;
 56};
 57
 58#define	MAC802154_DEVICE_STOPPED	0x00
 59#define MAC802154_DEVICE_RUN		0x01
 60
 61/* Slave interface definition.
 62 *
 63 * Slaves represent typical network interfaces available from userspace.
 64 * Each ieee802154 device/transceiver may have several slaves and able
 65 * to be associated with several networks at the same time.
 66 */
 67struct mac802154_sub_if_data {
 68	struct list_head list; /* the ieee802154_priv->slaves list */
 69
 70	struct mac802154_priv *hw;
 71	struct net_device *dev;
 72
 73	int type;
 74
 75	spinlock_t mib_lock;
 76
 77	__le16 pan_id;
 78	__le16 short_addr;
 79
 80	u8 chan;
 81	u8 page;
 82
 83	/* MAC BSN field */
 84	u8 bsn;
 85	/* MAC DSN field */
 86	u8 dsn;
 87};
 88
 89#define mac802154_to_priv(_hw)	container_of(_hw, struct mac802154_priv, hw)
 90
 91#define MAC802154_MAX_XMIT_ATTEMPTS	3
 92
 93#define MAC802154_CHAN_NONE		(~(u8)0) /* No channel is assigned */
 94
 95extern struct ieee802154_reduced_mlme_ops mac802154_mlme_reduced;
 96
 97int mac802154_slave_open(struct net_device *dev);
 98int mac802154_slave_close(struct net_device *dev);
 99
100void mac802154_monitors_rx(struct mac802154_priv *priv, struct sk_buff *skb);
101void mac802154_monitor_setup(struct net_device *dev);
102
103netdev_tx_t mac802154_tx(struct mac802154_priv *priv, struct sk_buff *skb,
104			 u8 page, u8 chan);
105
106/* MIB callbacks */
107void mac802154_dev_set_ieee_addr(struct net_device *dev);
108
109#endif /* MAC802154_H */