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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
#include <linux/mutex.h>
#include <net/mac802154.h>
#include <net/ieee802154_netdev.h>
#include "llsec.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;
bool running;
spinlock_t mib_lock;
__le16 pan_id;
__le16 short_addr;
__le64 extended_addr;
u8 chan;
u8 page;
struct ieee802154_mac_params mac_params;
/* MAC BSN field */
u8 bsn;
/* MAC DSN field */
u8 dsn;
/* 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;
};
#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, __le16 val);
__le16 mac802154_dev_get_short_addr(const struct net_device *dev);
void mac802154_dev_set_ieee_addr(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_set_mac_params(struct net_device *dev,
const struct ieee802154_mac_params *params);
void mac802154_get_mac_params(struct net_device *dev,
struct ieee802154_mac_params *params);
#endif /* MAC802154_H */
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